VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 76397

Last change on this file since 76397 was 74163, checked in by vboxsync, 6 years ago

VMM: Nested VMX: bugref:9180 vmlaunch/vmresume bits.

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File size: 338.6 KB
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1/* $Id: CPUMR3CpuId.cpp 74163 2018-09-09 15:51:39Z vboxsync $ */
2/** @file
3 * CPUM - CPU ID part.
4 */
5
6/*
7 * Copyright (C) 2013-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_CPUM
23#include <VBox/vmm/cpum.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/hm.h>
26#include <VBox/vmm/nem.h>
27#include <VBox/vmm/ssm.h>
28#include "CPUMInternal.h"
29#include <VBox/vmm/vm.h>
30#include <VBox/vmm/mm.h>
31#include <VBox/sup.h>
32
33#include <VBox/err.h>
34#include <iprt/asm-amd64-x86.h>
35#include <iprt/ctype.h>
36#include <iprt/mem.h>
37#include <iprt/string.h>
38
39
40/*********************************************************************************************************************************
41* Defined Constants And Macros *
42*********************************************************************************************************************************/
43/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
44#define CPUM_CPUID_MAX_LEAVES 2048
45/* Max size we accept for the XSAVE area. */
46#define CPUM_MAX_XSAVE_AREA_SIZE 10240
47/* Min size we accept for the XSAVE area. */
48#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
49
50
51/*********************************************************************************************************************************
52* Global Variables *
53*********************************************************************************************************************************/
54/**
55 * The intel pentium family.
56 */
57static const CPUMMICROARCH g_aenmIntelFamily06[] =
58{
59 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
60 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
61 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
62 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
63 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
64 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
65 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
66 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
67 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
68 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
69 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
70 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
71 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
72 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
73 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
74 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
75 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
76 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
79 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
80 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
81 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
82 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
83 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
84 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
85 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
86 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
87 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
88 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
89 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
90 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
91 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
92 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
95 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
96 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
97 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
98 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
99 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
100 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
101 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
102 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
103 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
104 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
105 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
106 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
107 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
108 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
111 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
112 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
113 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
114 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
115 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
116 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
117 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
118 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
119 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
120 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
121 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
122 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
123 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
124 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
127 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
128 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
129 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
130 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
131 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
132 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
133 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
134 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
135 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
136 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
137 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed */
138 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* unconfirmed, Broadwell-E */
139 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
140 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
143 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
144 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu */
145 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
146 /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
147 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
148 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
149 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
150 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
151 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */
152 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
153 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
154 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */
155 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
156 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
158 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
159 /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown,
160 /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
161 /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
162 /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown,
163 /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown,
164 /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown,
165 /*[106(0x6a)] = */ kCpumMicroarch_Intel_Unknown,
166 /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown,
167 /*[108(0x6c)] = */ kCpumMicroarch_Intel_Unknown,
168 /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown,
169 /*[110(0x6e)] = */ kCpumMicroarch_Intel_Unknown,
170 /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown,
171 /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown,
172 /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown,
173 /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown,
174 /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown,
175 /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown,
176 /*[117(0x75)] = */ kCpumMicroarch_Intel_Unknown,
177 /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown,
178 /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown,
179 /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown,
180 /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown,
181 /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus,
182 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
183 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
185 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
186 /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown,
187 /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown,
188 /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown,
189 /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown,
190 /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown,
191 /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown,
192 /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill,
193 /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown,
194 /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown,
195 /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown,
196 /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown,
197 /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown,
198 /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown,
199 /*[140(0x8c)] = */ kCpumMicroarch_Intel_Unknown,
200 /*[141(0x8d)] = */ kCpumMicroarch_Intel_Unknown,
201 /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
202 /*[143(0x8f)] = */ kCpumMicroarch_Intel_Unknown,
203 /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown,
204 /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown,
205 /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown,
206 /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown,
207 /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown,
208 /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown,
209 /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown,
210 /*[151(0x97)] = */ kCpumMicroarch_Intel_Unknown,
211 /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown,
212 /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown,
213 /*[154(0x9a)] = */ kCpumMicroarch_Intel_Unknown,
214 /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown,
215 /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown,
216 /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown,
217 /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
218 /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown,
219};
220AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0x9f+1);
221
222
223/**
224 * Figures out the (sub-)micro architecture given a bit of CPUID info.
225 *
226 * @returns Micro architecture.
227 * @param enmVendor The CPU vendor .
228 * @param bFamily The CPU family.
229 * @param bModel The CPU model.
230 * @param bStepping The CPU stepping.
231 */
232VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
233 uint8_t bModel, uint8_t bStepping)
234{
235 if (enmVendor == CPUMCPUVENDOR_AMD)
236 {
237 switch (bFamily)
238 {
239 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
240 case 0x03: return kCpumMicroarch_AMD_Am386;
241 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
242 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
243 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
244 case 0x06:
245 switch (bModel)
246 {
247 case 0: return kCpumMicroarch_AMD_K7_Palomino;
248 case 1: return kCpumMicroarch_AMD_K7_Palomino;
249 case 2: return kCpumMicroarch_AMD_K7_Palomino;
250 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
251 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
252 case 6: return kCpumMicroarch_AMD_K7_Palomino;
253 case 7: return kCpumMicroarch_AMD_K7_Morgan;
254 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
255 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
256 }
257 return kCpumMicroarch_AMD_K7_Unknown;
258 case 0x0f:
259 /*
260 * This family is a friggin mess. Trying my best to make some
261 * sense out of it. Too much happened in the 0x0f family to
262 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
263 *
264 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
265 * cpu-world.com, and other places:
266 * - 130nm:
267 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
268 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
269 * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
270 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
271 * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
272 * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
273 * - 90nm:
274 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
275 * - Oakville: 10FC0/DH-D0.
276 * - Georgetown: 10FC0/DH-D0.
277 * - Sonora: 10FC0/DH-D0.
278 * - Venus: 20F71/SH-E4
279 * - Troy: 20F51/SH-E4
280 * - Athens: 20F51/SH-E4
281 * - San Diego: 20F71/SH-E4.
282 * - Lancaster: 20F42/SH-E5
283 * - Newark: 20F42/SH-E5.
284 * - Albany: 20FC2/DH-E6.
285 * - Roma: 20FC2/DH-E6.
286 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
287 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
288 * - 90nm introducing Dual core:
289 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
290 * - Italy: 20F10/JH-E1, 20F12/JH-E6
291 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
292 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
293 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
294 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
295 * - Santa Ana: 40F32/JH-F2, /-F3
296 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
297 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
298 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
299 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
300 * - Keene: 40FC2/DH-F2.
301 * - Richmond: 40FC2/DH-F2
302 * - Taylor: 40F82/BH-F2
303 * - Trinidad: 40F82/BH-F2
304 *
305 * - 65nm:
306 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
307 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
308 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
309 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
310 * - Sherman: /-G1, 70FC2/DH-G2.
311 * - Huron: 70FF2/DH-G2.
312 */
313 if (bModel < 0x10)
314 return kCpumMicroarch_AMD_K8_130nm;
315 if (bModel >= 0x60 && bModel < 0x80)
316 return kCpumMicroarch_AMD_K8_65nm;
317 if (bModel >= 0x40)
318 return kCpumMicroarch_AMD_K8_90nm_AMDV;
319 switch (bModel)
320 {
321 case 0x21:
322 case 0x23:
323 case 0x2b:
324 case 0x2f:
325 case 0x37:
326 case 0x3f:
327 return kCpumMicroarch_AMD_K8_90nm_DualCore;
328 }
329 return kCpumMicroarch_AMD_K8_90nm;
330 case 0x10:
331 return kCpumMicroarch_AMD_K10;
332 case 0x11:
333 return kCpumMicroarch_AMD_K10_Lion;
334 case 0x12:
335 return kCpumMicroarch_AMD_K10_Llano;
336 case 0x14:
337 return kCpumMicroarch_AMD_Bobcat;
338 case 0x15:
339 switch (bModel)
340 {
341 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
342 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
343 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
344 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
345 case 0x11: /* ?? */
346 case 0x12: /* ?? */
347 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
348 }
349 return kCpumMicroarch_AMD_15h_Unknown;
350 case 0x16:
351 return kCpumMicroarch_AMD_Jaguar;
352 case 0x17:
353 return kCpumMicroarch_AMD_Zen_Ryzen;
354 }
355 return kCpumMicroarch_AMD_Unknown;
356 }
357
358 if (enmVendor == CPUMCPUVENDOR_INTEL)
359 {
360 switch (bFamily)
361 {
362 case 3:
363 return kCpumMicroarch_Intel_80386;
364 case 4:
365 return kCpumMicroarch_Intel_80486;
366 case 5:
367 return kCpumMicroarch_Intel_P5;
368 case 6:
369 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
370 {
371 CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
372 if ( enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake
373 && bStepping >= 0xa)
374 enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
375 return enmMicroArch;
376 }
377 return kCpumMicroarch_Intel_Atom_Unknown;
378 case 15:
379 switch (bModel)
380 {
381 case 0: return kCpumMicroarch_Intel_NB_Willamette;
382 case 1: return kCpumMicroarch_Intel_NB_Willamette;
383 case 2: return kCpumMicroarch_Intel_NB_Northwood;
384 case 3: return kCpumMicroarch_Intel_NB_Prescott;
385 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
386 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
387 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
388 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
389 default: return kCpumMicroarch_Intel_NB_Unknown;
390 }
391 break;
392 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
393 case 0:
394 return kCpumMicroarch_Intel_8086;
395 case 1:
396 return kCpumMicroarch_Intel_80186;
397 case 2:
398 return kCpumMicroarch_Intel_80286;
399 }
400 return kCpumMicroarch_Intel_Unknown;
401 }
402
403 if (enmVendor == CPUMCPUVENDOR_VIA)
404 {
405 switch (bFamily)
406 {
407 case 5:
408 switch (bModel)
409 {
410 case 1: return kCpumMicroarch_Centaur_C6;
411 case 4: return kCpumMicroarch_Centaur_C6;
412 case 8: return kCpumMicroarch_Centaur_C2;
413 case 9: return kCpumMicroarch_Centaur_C3;
414 }
415 break;
416
417 case 6:
418 switch (bModel)
419 {
420 case 5: return kCpumMicroarch_VIA_C3_M2;
421 case 6: return kCpumMicroarch_VIA_C3_C5A;
422 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
423 case 8: return kCpumMicroarch_VIA_C3_C5N;
424 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
425 case 10: return kCpumMicroarch_VIA_C7_C5J;
426 case 15: return kCpumMicroarch_VIA_Isaiah;
427 }
428 break;
429 }
430 return kCpumMicroarch_VIA_Unknown;
431 }
432
433 if (enmVendor == CPUMCPUVENDOR_CYRIX)
434 {
435 switch (bFamily)
436 {
437 case 4:
438 switch (bModel)
439 {
440 case 9: return kCpumMicroarch_Cyrix_5x86;
441 }
442 break;
443
444 case 5:
445 switch (bModel)
446 {
447 case 2: return kCpumMicroarch_Cyrix_M1;
448 case 4: return kCpumMicroarch_Cyrix_MediaGX;
449 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
450 }
451 break;
452
453 case 6:
454 switch (bModel)
455 {
456 case 0: return kCpumMicroarch_Cyrix_M2;
457 }
458 break;
459
460 }
461 return kCpumMicroarch_Cyrix_Unknown;
462 }
463
464 return kCpumMicroarch_Unknown;
465}
466
467
468/**
469 * Translates a microarchitecture enum value to the corresponding string
470 * constant.
471 *
472 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
473 * NULL if the value is invalid.
474 *
475 * @param enmMicroarch The enum value to convert.
476 */
477VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
478{
479 switch (enmMicroarch)
480 {
481#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
482 CASE_RET_STR(kCpumMicroarch_Intel_8086);
483 CASE_RET_STR(kCpumMicroarch_Intel_80186);
484 CASE_RET_STR(kCpumMicroarch_Intel_80286);
485 CASE_RET_STR(kCpumMicroarch_Intel_80386);
486 CASE_RET_STR(kCpumMicroarch_Intel_80486);
487 CASE_RET_STR(kCpumMicroarch_Intel_P5);
488
489 CASE_RET_STR(kCpumMicroarch_Intel_P6);
490 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
491 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
492
493 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
494 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
495 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
496
497 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
498 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
499
500 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
501 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
502 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
503 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
504 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
505 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
506 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
507 CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
508 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
509 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
510 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
511 CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
512
513 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
514 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
515 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
516 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
517 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
518 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
519 CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
520 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
521
522 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
523 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
524 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
525 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
526 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
527
528 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
529 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
530 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
531 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
532 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
533 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
534 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
535
536 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
537
538 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
539 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
540 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
541 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
542 CASE_RET_STR(kCpumMicroarch_AMD_K5);
543 CASE_RET_STR(kCpumMicroarch_AMD_K6);
544
545 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
546 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
547 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
548 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
549 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
550 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
551 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
552
553 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
554 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
555 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
556 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
557 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
558
559 CASE_RET_STR(kCpumMicroarch_AMD_K10);
560 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
561 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
562 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
563 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
564
565 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
566 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
567 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
568 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
569 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
570
571 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
572
573 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
574
575 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
576
577 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
578 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
579 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
580 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
581 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
582 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
583 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
584 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
585 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
586 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
587 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
588 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
589 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
590
591 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
592 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
593 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
594 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
595 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
596 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
597
598 CASE_RET_STR(kCpumMicroarch_NEC_V20);
599 CASE_RET_STR(kCpumMicroarch_NEC_V30);
600
601 CASE_RET_STR(kCpumMicroarch_Unknown);
602
603#undef CASE_RET_STR
604 case kCpumMicroarch_Invalid:
605 case kCpumMicroarch_Intel_End:
606 case kCpumMicroarch_Intel_Core2_End:
607 case kCpumMicroarch_Intel_Core7_End:
608 case kCpumMicroarch_Intel_Atom_End:
609 case kCpumMicroarch_Intel_P6_Core_Atom_End:
610 case kCpumMicroarch_Intel_Phi_End:
611 case kCpumMicroarch_Intel_NB_End:
612 case kCpumMicroarch_AMD_K7_End:
613 case kCpumMicroarch_AMD_K8_End:
614 case kCpumMicroarch_AMD_15h_End:
615 case kCpumMicroarch_AMD_16h_End:
616 case kCpumMicroarch_AMD_Zen_End:
617 case kCpumMicroarch_AMD_End:
618 case kCpumMicroarch_VIA_End:
619 case kCpumMicroarch_Cyrix_End:
620 case kCpumMicroarch_NEC_End:
621 case kCpumMicroarch_32BitHack:
622 break;
623 /* no default! */
624 }
625
626 return NULL;
627}
628
629
630/**
631 * Determins the host CPU MXCSR mask.
632 *
633 * @returns MXCSR mask.
634 */
635VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
636{
637 if ( ASMHasCpuId()
638 && ASMIsValidStdRange(ASMCpuId_EAX(0))
639 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
640 {
641 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
642 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
643 RT_ZERO(*pState);
644 ASMFxSave(pState);
645 if (pState->MXCSR_MASK == 0)
646 return 0xffbf;
647 return pState->MXCSR_MASK;
648 }
649 return 0;
650}
651
652
653/**
654 * Gets a matching leaf in the CPUID leaf array.
655 *
656 * @returns Pointer to the matching leaf, or NULL if not found.
657 * @param paLeaves The CPUID leaves to search. This is sorted.
658 * @param cLeaves The number of leaves in the array.
659 * @param uLeaf The leaf to locate.
660 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
661 */
662static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
663{
664 /* Lazy bird does linear lookup here since this is only used for the
665 occational CPUID overrides. */
666 for (uint32_t i = 0; i < cLeaves; i++)
667 if ( paLeaves[i].uLeaf == uLeaf
668 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
669 return &paLeaves[i];
670 return NULL;
671}
672
673
674#ifndef IN_VBOX_CPU_REPORT
675/**
676 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
677 *
678 * @returns true if found, false it not.
679 * @param paLeaves The CPUID leaves to search. This is sorted.
680 * @param cLeaves The number of leaves in the array.
681 * @param uLeaf The leaf to locate.
682 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
683 * @param pLegacy The legacy output leaf.
684 */
685static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
686 PCPUMCPUID pLegacy)
687{
688 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
689 if (pLeaf)
690 {
691 pLegacy->uEax = pLeaf->uEax;
692 pLegacy->uEbx = pLeaf->uEbx;
693 pLegacy->uEcx = pLeaf->uEcx;
694 pLegacy->uEdx = pLeaf->uEdx;
695 return true;
696 }
697 return false;
698}
699#endif /* IN_VBOX_CPU_REPORT */
700
701
702/**
703 * Ensures that the CPUID leaf array can hold one more leaf.
704 *
705 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
706 * failure.
707 * @param pVM The cross context VM structure. If NULL, use
708 * the process heap, otherwise the VM's hyper heap.
709 * @param ppaLeaves Pointer to the variable holding the array pointer
710 * (input/output).
711 * @param cLeaves The current array size.
712 *
713 * @remarks This function will automatically update the R0 and RC pointers when
714 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
715 * be the corresponding VM's CPUID arrays (which is asserted).
716 */
717static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
718{
719 /*
720 * If pVM is not specified, we're on the regular heap and can waste a
721 * little space to speed things up.
722 */
723 uint32_t cAllocated;
724 if (!pVM)
725 {
726 cAllocated = RT_ALIGN(cLeaves, 16);
727 if (cLeaves + 1 > cAllocated)
728 {
729 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
730 if (pvNew)
731 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
732 else
733 {
734 RTMemFree(*ppaLeaves);
735 *ppaLeaves = NULL;
736 }
737 }
738 }
739 /*
740 * Otherwise, we're on the hyper heap and are probably just inserting
741 * one or two leaves and should conserve space.
742 */
743 else
744 {
745#ifdef IN_VBOX_CPU_REPORT
746 AssertReleaseFailed();
747#else
748 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
749 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
750
751 size_t cb = cLeaves * sizeof(**ppaLeaves);
752 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
753 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
754 if (RT_SUCCESS(rc))
755 {
756 /* Update the R0 and RC pointers. */
757 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
758 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
759 }
760 else
761 {
762 *ppaLeaves = NULL;
763 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
764 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
765 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
766 }
767#endif
768 }
769 return *ppaLeaves;
770}
771
772
773/**
774 * Append a CPUID leaf or sub-leaf.
775 *
776 * ASSUMES linear insertion order, so we'll won't need to do any searching or
777 * replace anything. Use cpumR3CpuIdInsert() for those cases.
778 *
779 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
780 * the caller need do no more work.
781 * @param ppaLeaves Pointer to the pointer to the array of sorted
782 * CPUID leaves and sub-leaves.
783 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
784 * @param uLeaf The leaf we're adding.
785 * @param uSubLeaf The sub-leaf number.
786 * @param fSubLeafMask The sub-leaf mask.
787 * @param uEax The EAX value.
788 * @param uEbx The EBX value.
789 * @param uEcx The ECX value.
790 * @param uEdx The EDX value.
791 * @param fFlags The flags.
792 */
793static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
794 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
795 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
796{
797 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
798 return VERR_NO_MEMORY;
799
800 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
801 Assert( *pcLeaves == 0
802 || pNew[-1].uLeaf < uLeaf
803 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
804
805 pNew->uLeaf = uLeaf;
806 pNew->uSubLeaf = uSubLeaf;
807 pNew->fSubLeafMask = fSubLeafMask;
808 pNew->uEax = uEax;
809 pNew->uEbx = uEbx;
810 pNew->uEcx = uEcx;
811 pNew->uEdx = uEdx;
812 pNew->fFlags = fFlags;
813
814 *pcLeaves += 1;
815 return VINF_SUCCESS;
816}
817
818
819/**
820 * Checks that we've updated the CPUID leaves array correctly.
821 *
822 * This is a no-op in non-strict builds.
823 *
824 * @param paLeaves The leaves array.
825 * @param cLeaves The number of leaves.
826 */
827static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
828{
829#ifdef VBOX_STRICT
830 for (uint32_t i = 1; i < cLeaves; i++)
831 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
832 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
833 else
834 {
835 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
836 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
837 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
838 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
839 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
840 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
841 }
842#else
843 NOREF(paLeaves);
844 NOREF(cLeaves);
845#endif
846}
847
848
849/**
850 * Inserts a CPU ID leaf, replacing any existing ones.
851 *
852 * When inserting a simple leaf where we already got a series of sub-leaves with
853 * the same leaf number (eax), the simple leaf will replace the whole series.
854 *
855 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
856 * host-context heap and has only been allocated/reallocated by the
857 * cpumR3CpuIdEnsureSpace function.
858 *
859 * @returns VBox status code.
860 * @param pVM The cross context VM structure. If NULL, use
861 * the process heap, otherwise the VM's hyper heap.
862 * @param ppaLeaves Pointer to the pointer to the array of sorted
863 * CPUID leaves and sub-leaves. Must be NULL if using
864 * the hyper heap.
865 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
866 * be NULL if using the hyper heap.
867 * @param pNewLeaf Pointer to the data of the new leaf we're about to
868 * insert.
869 */
870static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
871{
872 /*
873 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
874 */
875 if (pVM)
876 {
877 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
878 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
879
880 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
881 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
882 }
883
884 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
885 uint32_t cLeaves = *pcLeaves;
886
887 /*
888 * Validate the new leaf a little.
889 */
890 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
891 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
892 VERR_INVALID_FLAGS);
893 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
894 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
895 VERR_INVALID_PARAMETER);
896 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
897 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
898 VERR_INVALID_PARAMETER);
899 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
900 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
901 VERR_INVALID_PARAMETER);
902
903 /*
904 * Find insertion point. The lazy bird uses the same excuse as in
905 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
906 */
907 uint32_t i;
908 if ( cLeaves > 0
909 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
910 {
911 /* Add at end. */
912 i = cLeaves;
913 }
914 else if ( cLeaves > 0
915 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
916 {
917 /* Either replacing the last leaf or dealing with sub-leaves. Spool
918 back to the first sub-leaf to pretend we did the linear search. */
919 i = cLeaves - 1;
920 while ( i > 0
921 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
922 i--;
923 }
924 else
925 {
926 /* Linear search from the start. */
927 i = 0;
928 while ( i < cLeaves
929 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
930 i++;
931 }
932 if ( i < cLeaves
933 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
934 {
935 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
936 {
937 /*
938 * The sub-leaf mask differs, replace all existing leaves with the
939 * same leaf number.
940 */
941 uint32_t c = 1;
942 while ( i + c < cLeaves
943 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
944 c++;
945 if (c > 1 && i + c < cLeaves)
946 {
947 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
948 *pcLeaves = cLeaves -= c - 1;
949 }
950
951 paLeaves[i] = *pNewLeaf;
952 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
953 return VINF_SUCCESS;
954 }
955
956 /* Find sub-leaf insertion point. */
957 while ( i < cLeaves
958 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
959 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
960 i++;
961
962 /*
963 * If we've got an exactly matching leaf, replace it.
964 */
965 if ( i < cLeaves
966 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
967 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
968 {
969 paLeaves[i] = *pNewLeaf;
970 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
971 return VINF_SUCCESS;
972 }
973 }
974
975 /*
976 * Adding a new leaf at 'i'.
977 */
978 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
979 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
980 if (!paLeaves)
981 return VERR_NO_MEMORY;
982
983 if (i < cLeaves)
984 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
985 *pcLeaves += 1;
986 paLeaves[i] = *pNewLeaf;
987
988 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
989 return VINF_SUCCESS;
990}
991
992
993#ifndef IN_VBOX_CPU_REPORT
994/**
995 * Removes a range of CPUID leaves.
996 *
997 * This will not reallocate the array.
998 *
999 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
1000 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
1001 * @param uFirst The first leaf.
1002 * @param uLast The last leaf.
1003 */
1004static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1005{
1006 uint32_t cLeaves = *pcLeaves;
1007
1008 Assert(uFirst <= uLast);
1009
1010 /*
1011 * Find the first one.
1012 */
1013 uint32_t iFirst = 0;
1014 while ( iFirst < cLeaves
1015 && paLeaves[iFirst].uLeaf < uFirst)
1016 iFirst++;
1017
1018 /*
1019 * Find the end (last + 1).
1020 */
1021 uint32_t iEnd = iFirst;
1022 while ( iEnd < cLeaves
1023 && paLeaves[iEnd].uLeaf <= uLast)
1024 iEnd++;
1025
1026 /*
1027 * Adjust the array if anything needs removing.
1028 */
1029 if (iFirst < iEnd)
1030 {
1031 if (iEnd < cLeaves)
1032 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1033 *pcLeaves = cLeaves -= (iEnd - iFirst);
1034 }
1035
1036 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1037}
1038#endif /* IN_VBOX_CPU_REPORT */
1039
1040
1041/**
1042 * Checks if ECX make a difference when reading a given CPUID leaf.
1043 *
1044 * @returns @c true if it does, @c false if it doesn't.
1045 * @param uLeaf The leaf we're reading.
1046 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1047 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1048 * final sub-leaf (for leaf 0xb only).
1049 */
1050static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1051{
1052 *pfFinalEcxUnchanged = false;
1053
1054 uint32_t auCur[4];
1055 uint32_t auPrev[4];
1056 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1057
1058 /* Look for sub-leaves. */
1059 uint32_t uSubLeaf = 1;
1060 for (;;)
1061 {
1062 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1063 if (memcmp(auCur, auPrev, sizeof(auCur)))
1064 break;
1065
1066 /* Advance / give up. */
1067 uSubLeaf++;
1068 if (uSubLeaf >= 64)
1069 {
1070 *pcSubLeaves = 1;
1071 return false;
1072 }
1073 }
1074
1075 /* Count sub-leaves. */
1076 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1077 uint32_t cRepeats = 0;
1078 uSubLeaf = 0;
1079 for (;;)
1080 {
1081 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1082
1083 /* Figuring out when to stop isn't entirely straight forward as we need
1084 to cover undocumented behavior up to a point and implementation shortcuts. */
1085
1086 /* 1. Look for more than 4 repeating value sets. */
1087 if ( auCur[0] == auPrev[0]
1088 && auCur[1] == auPrev[1]
1089 && ( auCur[2] == auPrev[2]
1090 || ( auCur[2] == uSubLeaf
1091 && auPrev[2] == uSubLeaf - 1) )
1092 && auCur[3] == auPrev[3])
1093 {
1094 if ( uLeaf != 0xd
1095 || uSubLeaf >= 64
1096 || ( auCur[0] == 0
1097 && auCur[1] == 0
1098 && auCur[2] == 0
1099 && auCur[3] == 0
1100 && auPrev[2] == 0) )
1101 cRepeats++;
1102 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1103 break;
1104 }
1105 else
1106 cRepeats = 0;
1107
1108 /* 2. Look for zero values. */
1109 if ( auCur[0] == 0
1110 && auCur[1] == 0
1111 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1112 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1113 && uSubLeaf >= cMinLeaves)
1114 {
1115 cRepeats = 0;
1116 break;
1117 }
1118
1119 /* 3. Leaf 0xb level type 0 check. */
1120 if ( uLeaf == 0xb
1121 && (auCur[2] & 0xff00) == 0
1122 && (auPrev[2] & 0xff00) == 0)
1123 {
1124 cRepeats = 0;
1125 break;
1126 }
1127
1128 /* 99. Give up. */
1129 if (uSubLeaf >= 128)
1130 {
1131#ifndef IN_VBOX_CPU_REPORT
1132 /* Ok, limit it according to the documentation if possible just to
1133 avoid annoying users with these detection issues. */
1134 uint32_t cDocLimit = UINT32_MAX;
1135 if (uLeaf == 0x4)
1136 cDocLimit = 4;
1137 else if (uLeaf == 0x7)
1138 cDocLimit = 1;
1139 else if (uLeaf == 0xd)
1140 cDocLimit = 63;
1141 else if (uLeaf == 0xf)
1142 cDocLimit = 2;
1143 if (cDocLimit != UINT32_MAX)
1144 {
1145 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1146 *pcSubLeaves = cDocLimit + 3;
1147 return true;
1148 }
1149#endif
1150 *pcSubLeaves = UINT32_MAX;
1151 return true;
1152 }
1153
1154 /* Advance. */
1155 uSubLeaf++;
1156 memcpy(auPrev, auCur, sizeof(auCur));
1157 }
1158
1159 /* Standard exit. */
1160 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1161 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1162 if (*pcSubLeaves == 0)
1163 *pcSubLeaves = 1;
1164 return true;
1165}
1166
1167
1168/**
1169 * Gets a CPU ID leaf.
1170 *
1171 * @returns VBox status code.
1172 * @param pVM The cross context VM structure.
1173 * @param pLeaf Where to store the found leaf.
1174 * @param uLeaf The leaf to locate.
1175 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1176 */
1177VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1178{
1179 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1180 uLeaf, uSubLeaf);
1181 if (pcLeaf)
1182 {
1183 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1184 return VINF_SUCCESS;
1185 }
1186
1187 return VERR_NOT_FOUND;
1188}
1189
1190
1191/**
1192 * Inserts a CPU ID leaf, replacing any existing ones.
1193 *
1194 * @returns VBox status code.
1195 * @param pVM The cross context VM structure.
1196 * @param pNewLeaf Pointer to the leaf being inserted.
1197 */
1198VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1199{
1200 /*
1201 * Validate parameters.
1202 */
1203 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1204 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1205
1206 /*
1207 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1208 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1209 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1210 */
1211 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1212 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1213 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1214 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1215 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1216 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1217 {
1218 return VERR_NOT_SUPPORTED;
1219 }
1220
1221 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1222}
1223
1224/**
1225 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1226 *
1227 * @returns VBox status code.
1228 * @param ppaLeaves Where to return the array pointer on success.
1229 * Use RTMemFree to release.
1230 * @param pcLeaves Where to return the size of the array on
1231 * success.
1232 */
1233VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1234{
1235 *ppaLeaves = NULL;
1236 *pcLeaves = 0;
1237
1238 /*
1239 * Try out various candidates. This must be sorted!
1240 */
1241 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1242 {
1243 { UINT32_C(0x00000000), false },
1244 { UINT32_C(0x10000000), false },
1245 { UINT32_C(0x20000000), false },
1246 { UINT32_C(0x30000000), false },
1247 { UINT32_C(0x40000000), false },
1248 { UINT32_C(0x50000000), false },
1249 { UINT32_C(0x60000000), false },
1250 { UINT32_C(0x70000000), false },
1251 { UINT32_C(0x80000000), false },
1252 { UINT32_C(0x80860000), false },
1253 { UINT32_C(0x8ffffffe), true },
1254 { UINT32_C(0x8fffffff), true },
1255 { UINT32_C(0x90000000), false },
1256 { UINT32_C(0xa0000000), false },
1257 { UINT32_C(0xb0000000), false },
1258 { UINT32_C(0xc0000000), false },
1259 { UINT32_C(0xd0000000), false },
1260 { UINT32_C(0xe0000000), false },
1261 { UINT32_C(0xf0000000), false },
1262 };
1263
1264 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1265 {
1266 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1267 uint32_t uEax, uEbx, uEcx, uEdx;
1268 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1269
1270 /*
1271 * Does EAX look like a typical leaf count value?
1272 */
1273 if ( uEax > uLeaf
1274 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1275 {
1276 /* Yes, dump them. */
1277 uint32_t cLeaves = uEax - uLeaf + 1;
1278 while (cLeaves-- > 0)
1279 {
1280 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1281
1282 uint32_t fFlags = 0;
1283
1284 /* There are currently three known leaves containing an APIC ID
1285 that needs EMT specific attention */
1286 if (uLeaf == 1)
1287 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1288 else if (uLeaf == 0xb && uEcx != 0)
1289 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1290 else if ( uLeaf == UINT32_C(0x8000001e)
1291 && ( uEax
1292 || uEbx
1293 || uEdx
1294 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1295 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1296
1297 /* The APIC bit is per-VCpu and needs flagging. */
1298 if (uLeaf == 1)
1299 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1300 else if ( uLeaf == UINT32_C(0x80000001)
1301 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1302 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1303 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1304
1305 /* Check three times here to reduce the chance of CPU migration
1306 resulting in false positives with things like the APIC ID. */
1307 uint32_t cSubLeaves;
1308 bool fFinalEcxUnchanged;
1309 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1310 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1311 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1312 {
1313 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1314 {
1315 /* This shouldn't happen. But in case it does, file all
1316 relevant details in the release log. */
1317 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1318 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1319 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1320 {
1321 uint32_t auTmp[4];
1322 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1323 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1324 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1325 }
1326 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1327 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1328 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1329 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1330 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1331 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1332 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1333 }
1334
1335 if (fFinalEcxUnchanged)
1336 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1337
1338 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1339 {
1340 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1341 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1342 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1343 if (RT_FAILURE(rc))
1344 return rc;
1345 }
1346 }
1347 else
1348 {
1349 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1350 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1351 if (RT_FAILURE(rc))
1352 return rc;
1353 }
1354
1355 /* next */
1356 uLeaf++;
1357 }
1358 }
1359 /*
1360 * Special CPUIDs needs special handling as they don't follow the
1361 * leaf count principle used above.
1362 */
1363 else if (s_aCandidates[iOuter].fSpecial)
1364 {
1365 bool fKeep = false;
1366 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1367 fKeep = true;
1368 else if ( uLeaf == 0x8fffffff
1369 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1370 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1371 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1372 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1373 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1374 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1375 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1376 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1377 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1378 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1379 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1380 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1381 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1382 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1383 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1384 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1385 fKeep = true;
1386 if (fKeep)
1387 {
1388 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1389 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1390 if (RT_FAILURE(rc))
1391 return rc;
1392 }
1393 }
1394 }
1395
1396 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1397 return VINF_SUCCESS;
1398}
1399
1400
1401/**
1402 * Determines the method the CPU uses to handle unknown CPUID leaves.
1403 *
1404 * @returns VBox status code.
1405 * @param penmUnknownMethod Where to return the method.
1406 * @param pDefUnknown Where to return default unknown values. This
1407 * will be set, even if the resulting method
1408 * doesn't actually needs it.
1409 */
1410VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1411{
1412 uint32_t uLastStd = ASMCpuId_EAX(0);
1413 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1414 if (!ASMIsValidExtRange(uLastExt))
1415 uLastExt = 0x80000000;
1416
1417 uint32_t auChecks[] =
1418 {
1419 uLastStd + 1,
1420 uLastStd + 5,
1421 uLastStd + 8,
1422 uLastStd + 32,
1423 uLastStd + 251,
1424 uLastExt + 1,
1425 uLastExt + 8,
1426 uLastExt + 15,
1427 uLastExt + 63,
1428 uLastExt + 255,
1429 0x7fbbffcc,
1430 0x833f7872,
1431 0xefff2353,
1432 0x35779456,
1433 0x1ef6d33e,
1434 };
1435
1436 static const uint32_t s_auValues[] =
1437 {
1438 0xa95d2156,
1439 0x00000001,
1440 0x00000002,
1441 0x00000008,
1442 0x00000000,
1443 0x55773399,
1444 0x93401769,
1445 0x12039587,
1446 };
1447
1448 /*
1449 * Simple method, all zeros.
1450 */
1451 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1452 pDefUnknown->uEax = 0;
1453 pDefUnknown->uEbx = 0;
1454 pDefUnknown->uEcx = 0;
1455 pDefUnknown->uEdx = 0;
1456
1457 /*
1458 * Intel has been observed returning the last standard leaf.
1459 */
1460 uint32_t auLast[4];
1461 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1462
1463 uint32_t cChecks = RT_ELEMENTS(auChecks);
1464 while (cChecks > 0)
1465 {
1466 uint32_t auCur[4];
1467 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1468 if (memcmp(auCur, auLast, sizeof(auCur)))
1469 break;
1470 cChecks--;
1471 }
1472 if (cChecks == 0)
1473 {
1474 /* Now, what happens when the input changes? Esp. ECX. */
1475 uint32_t cTotal = 0;
1476 uint32_t cSame = 0;
1477 uint32_t cLastWithEcx = 0;
1478 uint32_t cNeither = 0;
1479 uint32_t cValues = RT_ELEMENTS(s_auValues);
1480 while (cValues > 0)
1481 {
1482 uint32_t uValue = s_auValues[cValues - 1];
1483 uint32_t auLastWithEcx[4];
1484 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1485 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1486
1487 cChecks = RT_ELEMENTS(auChecks);
1488 while (cChecks > 0)
1489 {
1490 uint32_t auCur[4];
1491 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1492 if (!memcmp(auCur, auLast, sizeof(auCur)))
1493 {
1494 cSame++;
1495 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1496 cLastWithEcx++;
1497 }
1498 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1499 cLastWithEcx++;
1500 else
1501 cNeither++;
1502 cTotal++;
1503 cChecks--;
1504 }
1505 cValues--;
1506 }
1507
1508 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1509 if (cSame == cTotal)
1510 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1511 else if (cLastWithEcx == cTotal)
1512 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1513 else
1514 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1515 pDefUnknown->uEax = auLast[0];
1516 pDefUnknown->uEbx = auLast[1];
1517 pDefUnknown->uEcx = auLast[2];
1518 pDefUnknown->uEdx = auLast[3];
1519 return VINF_SUCCESS;
1520 }
1521
1522 /*
1523 * Unchanged register values?
1524 */
1525 cChecks = RT_ELEMENTS(auChecks);
1526 while (cChecks > 0)
1527 {
1528 uint32_t const uLeaf = auChecks[cChecks - 1];
1529 uint32_t cValues = RT_ELEMENTS(s_auValues);
1530 while (cValues > 0)
1531 {
1532 uint32_t uValue = s_auValues[cValues - 1];
1533 uint32_t auCur[4];
1534 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1535 if ( auCur[0] != uLeaf
1536 || auCur[1] != uValue
1537 || auCur[2] != uValue
1538 || auCur[3] != uValue)
1539 break;
1540 cValues--;
1541 }
1542 if (cValues != 0)
1543 break;
1544 cChecks--;
1545 }
1546 if (cChecks == 0)
1547 {
1548 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1549 return VINF_SUCCESS;
1550 }
1551
1552 /*
1553 * Just go with the simple method.
1554 */
1555 return VINF_SUCCESS;
1556}
1557
1558
1559/**
1560 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1561 *
1562 * @returns Read only name string.
1563 * @param enmUnknownMethod The method to translate.
1564 */
1565VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1566{
1567 switch (enmUnknownMethod)
1568 {
1569 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1570 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1571 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1572 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1573
1574 case CPUMUNKNOWNCPUID_INVALID:
1575 case CPUMUNKNOWNCPUID_END:
1576 case CPUMUNKNOWNCPUID_32BIT_HACK:
1577 break;
1578 }
1579 return "Invalid-unknown-CPUID-method";
1580}
1581
1582
1583/**
1584 * Detect the CPU vendor give n the
1585 *
1586 * @returns The vendor.
1587 * @param uEAX EAX from CPUID(0).
1588 * @param uEBX EBX from CPUID(0).
1589 * @param uECX ECX from CPUID(0).
1590 * @param uEDX EDX from CPUID(0).
1591 */
1592VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1593{
1594 if (ASMIsValidStdRange(uEAX))
1595 {
1596 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1597 return CPUMCPUVENDOR_AMD;
1598
1599 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1600 return CPUMCPUVENDOR_INTEL;
1601
1602 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1603 return CPUMCPUVENDOR_VIA;
1604
1605 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1606 && uECX == UINT32_C(0x64616574)
1607 && uEDX == UINT32_C(0x736E4978))
1608 return CPUMCPUVENDOR_CYRIX;
1609
1610 /* "Geode by NSC", example: family 5, model 9. */
1611
1612 /** @todo detect the other buggers... */
1613 }
1614
1615 return CPUMCPUVENDOR_UNKNOWN;
1616}
1617
1618
1619/**
1620 * Translates a CPU vendor enum value into the corresponding string constant.
1621 *
1622 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1623 * value name. This can be useful when generating code.
1624 *
1625 * @returns Read only name string.
1626 * @param enmVendor The CPU vendor value.
1627 */
1628VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1629{
1630 switch (enmVendor)
1631 {
1632 case CPUMCPUVENDOR_INTEL: return "INTEL";
1633 case CPUMCPUVENDOR_AMD: return "AMD";
1634 case CPUMCPUVENDOR_VIA: return "VIA";
1635 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1636 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1637
1638 case CPUMCPUVENDOR_INVALID:
1639 case CPUMCPUVENDOR_32BIT_HACK:
1640 break;
1641 }
1642 return "Invalid-cpu-vendor";
1643}
1644
1645
1646static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1647{
1648 /* Could do binary search, doing linear now because I'm lazy. */
1649 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1650 while (cLeaves-- > 0)
1651 {
1652 if (pLeaf->uLeaf == uLeaf)
1653 return pLeaf;
1654 pLeaf++;
1655 }
1656 return NULL;
1657}
1658
1659
1660static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1661{
1662 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1663 if ( !pLeaf
1664 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1665 return pLeaf;
1666
1667 /* Linear sub-leaf search. Lazy as usual. */
1668 cLeaves -= pLeaf - paLeaves;
1669 while ( cLeaves-- > 0
1670 && pLeaf->uLeaf == uLeaf)
1671 {
1672 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1673 return pLeaf;
1674 pLeaf++;
1675 }
1676
1677 return NULL;
1678}
1679
1680
1681int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1682{
1683 RT_ZERO(*pFeatures);
1684 if (cLeaves >= 2)
1685 {
1686 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1687 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1688 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1689 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1690 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1691 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1692
1693 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1694 pStd0Leaf->uEbx,
1695 pStd0Leaf->uEcx,
1696 pStd0Leaf->uEdx);
1697 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1698 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1699 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1700 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1701 pFeatures->uFamily,
1702 pFeatures->uModel,
1703 pFeatures->uStepping);
1704
1705 PCCPUMCPUIDLEAF const pExtLeaf8 = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1706 if (pExtLeaf8)
1707 {
1708 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1709 pFeatures->cMaxLinearAddrWidth = (pExtLeaf8->uEax >> 8) & 0xff;
1710 }
1711 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1712 {
1713 pFeatures->cMaxPhysAddrWidth = 36;
1714 pFeatures->cMaxLinearAddrWidth = 36;
1715 }
1716 else
1717 {
1718 pFeatures->cMaxPhysAddrWidth = 32;
1719 pFeatures->cMaxLinearAddrWidth = 32;
1720 }
1721
1722 /* Standard features. */
1723 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1724 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1725 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1726 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1727 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1728 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1729 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1730 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1731 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1732 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1733 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1734 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1735 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1736 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1737 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1738 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1739 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1740 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1741 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1742 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1743 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1744 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1745 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1746 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1747 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1748 pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX);
1749 /* VMX sub-features will be initialized in cpumR3InitVmxCpuFeatures(). */
1750
1751 /* Structured extended features. */
1752 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1753 if (pSxfLeaf0)
1754 {
1755 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1756 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1757 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1758 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1759 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1760
1761 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1762 pFeatures->fIbrs = pFeatures->fIbpb;
1763 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1764#if 0 // Disabled until IA32_ARCH_CAPABILITIES support can be tested
1765 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1766#endif
1767 }
1768
1769 /* MWAIT/MONITOR leaf. */
1770 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1771 if (pMWaitLeaf)
1772 {
1773 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1774 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1775 }
1776
1777 /* Extended features. */
1778 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1779 if (pExtLeaf)
1780 {
1781 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1782 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1783 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1784 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1785 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1786 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1787 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1788 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1789 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1790 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1791 }
1792
1793 /* VMX (VMXON, VMCS region and related data structures') physical address width (depends on long-mode). */
1794 pFeatures->cVmxMaxPhysAddrWidth = pFeatures->fLongMode ? pFeatures->cMaxPhysAddrWidth : 32;
1795
1796 if ( pExtLeaf
1797 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1798 {
1799 /* AMD features. */
1800 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1801 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1802 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1803 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1804 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1805 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1806 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1807 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1808 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1809 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1810 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1811 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1812 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1813 if (pFeatures->fSvm)
1814 {
1815 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1816 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1817 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1818 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1819 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1820 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1821 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1822 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1823 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1824 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1825 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1826 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1827 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1828 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1829 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1830 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1831 }
1832 }
1833
1834 /*
1835 * Quirks.
1836 */
1837 pFeatures->fLeakyFxSR = pExtLeaf
1838 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1839 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1840 && pFeatures->uFamily >= 6 /* K7 and up */;
1841
1842 /*
1843 * Max extended (/FPU) state.
1844 */
1845 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1846 if (pFeatures->fXSaveRstor)
1847 {
1848 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1849 if (pXStateLeaf0)
1850 {
1851 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1852 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1853 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1854 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1855 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1856 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1857 {
1858 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1859
1860 /* (paranoia:) */
1861 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1862 if ( pXStateLeaf1
1863 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1864 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1865 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1866 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1867 }
1868 else
1869 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1870 pFeatures->fXSaveRstor = 0);
1871 }
1872 else
1873 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1874 pFeatures->fXSaveRstor = 0);
1875 }
1876 }
1877 else
1878 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1879 return VINF_SUCCESS;
1880}
1881
1882
1883/*
1884 *
1885 * Init related code.
1886 * Init related code.
1887 * Init related code.
1888 *
1889 *
1890 */
1891#ifdef VBOX_IN_VMM
1892
1893
1894/**
1895 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1896 *
1897 * This ignores the fSubLeafMask.
1898 *
1899 * @returns Pointer to the matching leaf, or NULL if not found.
1900 * @param paLeaves The CPUID leaves to search. This is sorted.
1901 * @param cLeaves The number of leaves in the array.
1902 * @param uLeaf The leaf to locate.
1903 * @param uSubLeaf The subleaf to locate.
1904 */
1905static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1906{
1907 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1908 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1909 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1910 if (iEnd)
1911 {
1912 uint32_t iBegin = 0;
1913 for (;;)
1914 {
1915 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1916 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1917 if (uNeedle < uCur)
1918 {
1919 if (i > iBegin)
1920 iEnd = i;
1921 else
1922 break;
1923 }
1924 else if (uNeedle > uCur)
1925 {
1926 if (i + 1 < iEnd)
1927 iBegin = i + 1;
1928 else
1929 break;
1930 }
1931 else
1932 return &paLeaves[i];
1933 }
1934 }
1935 return NULL;
1936}
1937
1938
1939/**
1940 * Loads MSR range overrides.
1941 *
1942 * This must be called before the MSR ranges are moved from the normal heap to
1943 * the hyper heap!
1944 *
1945 * @returns VBox status code (VMSetError called).
1946 * @param pVM The cross context VM structure.
1947 * @param pMsrNode The CFGM node with the MSR overrides.
1948 */
1949static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1950{
1951 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1952 {
1953 /*
1954 * Assemble a valid MSR range.
1955 */
1956 CPUMMSRRANGE MsrRange;
1957 MsrRange.offCpumCpu = 0;
1958 MsrRange.fReserved = 0;
1959
1960 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1961 if (RT_FAILURE(rc))
1962 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1963
1964 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1965 if (RT_FAILURE(rc))
1966 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1967 MsrRange.szName, rc);
1968
1969 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1970 if (RT_FAILURE(rc))
1971 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1972 MsrRange.szName, rc);
1973
1974 char szType[32];
1975 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1976 if (RT_FAILURE(rc))
1977 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1978 MsrRange.szName, rc);
1979 if (!RTStrICmp(szType, "FixedValue"))
1980 {
1981 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1982 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1983
1984 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1985 if (RT_FAILURE(rc))
1986 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1987 MsrRange.szName, rc);
1988
1989 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1990 if (RT_FAILURE(rc))
1991 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1992 MsrRange.szName, rc);
1993
1994 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1995 if (RT_FAILURE(rc))
1996 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1997 MsrRange.szName, rc);
1998 }
1999 else
2000 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
2001 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
2002
2003 /*
2004 * Insert the range into the table (replaces/splits/shrinks existing
2005 * MSR ranges).
2006 */
2007 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
2008 &MsrRange);
2009 if (RT_FAILURE(rc))
2010 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
2011 }
2012
2013 return VINF_SUCCESS;
2014}
2015
2016
2017/**
2018 * Loads CPUID leaf overrides.
2019 *
2020 * This must be called before the CPUID leaves are moved from the normal
2021 * heap to the hyper heap!
2022 *
2023 * @returns VBox status code (VMSetError called).
2024 * @param pVM The cross context VM structure.
2025 * @param pParentNode The CFGM node with the CPUID leaves.
2026 * @param pszLabel How to label the overrides we're loading.
2027 */
2028static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2029{
2030 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2031 {
2032 /*
2033 * Get the leaf and subleaf numbers.
2034 */
2035 char szName[128];
2036 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2037 if (RT_FAILURE(rc))
2038 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2039
2040 /* The leaf number is either specified directly or thru the node name. */
2041 uint32_t uLeaf;
2042 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2043 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2044 {
2045 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2046 if (rc != VINF_SUCCESS)
2047 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2048 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2049 }
2050 else if (RT_FAILURE(rc))
2051 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2052 pszLabel, szName, rc);
2053
2054 uint32_t uSubLeaf;
2055 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2056 if (RT_FAILURE(rc))
2057 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2058 pszLabel, szName, rc);
2059
2060 uint32_t fSubLeafMask;
2061 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2062 if (RT_FAILURE(rc))
2063 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2064 pszLabel, szName, rc);
2065
2066 /*
2067 * Look up the specified leaf, since the output register values
2068 * defaults to any existing values. This allows overriding a single
2069 * register, without needing to know the other values.
2070 */
2071 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2072 CPUMCPUIDLEAF Leaf;
2073 if (pLeaf)
2074 Leaf = *pLeaf;
2075 else
2076 RT_ZERO(Leaf);
2077 Leaf.uLeaf = uLeaf;
2078 Leaf.uSubLeaf = uSubLeaf;
2079 Leaf.fSubLeafMask = fSubLeafMask;
2080
2081 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2082 if (RT_FAILURE(rc))
2083 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2084 pszLabel, szName, rc);
2085 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2086 if (RT_FAILURE(rc))
2087 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2088 pszLabel, szName, rc);
2089 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2090 if (RT_FAILURE(rc))
2091 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2092 pszLabel, szName, rc);
2093 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2094 if (RT_FAILURE(rc))
2095 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2096 pszLabel, szName, rc);
2097
2098 /*
2099 * Insert the leaf into the table (replaces existing ones).
2100 */
2101 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2102 &Leaf);
2103 if (RT_FAILURE(rc))
2104 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2105 }
2106
2107 return VINF_SUCCESS;
2108}
2109
2110
2111
2112/**
2113 * Fetches overrides for a CPUID leaf.
2114 *
2115 * @returns VBox status code.
2116 * @param pLeaf The leaf to load the overrides into.
2117 * @param pCfgNode The CFGM node containing the overrides
2118 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2119 * @param iLeaf The CPUID leaf number.
2120 */
2121static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2122{
2123 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2124 if (pLeafNode)
2125 {
2126 uint32_t u32;
2127 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2128 if (RT_SUCCESS(rc))
2129 pLeaf->uEax = u32;
2130 else
2131 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2132
2133 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2134 if (RT_SUCCESS(rc))
2135 pLeaf->uEbx = u32;
2136 else
2137 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2138
2139 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2140 if (RT_SUCCESS(rc))
2141 pLeaf->uEcx = u32;
2142 else
2143 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2144
2145 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2146 if (RT_SUCCESS(rc))
2147 pLeaf->uEdx = u32;
2148 else
2149 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2150
2151 }
2152 return VINF_SUCCESS;
2153}
2154
2155
2156/**
2157 * Load the overrides for a set of CPUID leaves.
2158 *
2159 * @returns VBox status code.
2160 * @param paLeaves The leaf array.
2161 * @param cLeaves The number of leaves.
2162 * @param uStart The start leaf number.
2163 * @param pCfgNode The CFGM node containing the overrides
2164 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2165 */
2166static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2167{
2168 for (uint32_t i = 0; i < cLeaves; i++)
2169 {
2170 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2171 if (RT_FAILURE(rc))
2172 return rc;
2173 }
2174
2175 return VINF_SUCCESS;
2176}
2177
2178
2179/**
2180 * Installs the CPUID leaves and explods the data into structures like
2181 * GuestFeatures and CPUMCTX::aoffXState.
2182 *
2183 * @returns VBox status code.
2184 * @param pVM The cross context VM structure.
2185 * @param pCpum The CPUM part of @a VM.
2186 * @param paLeaves The leaves. These will be copied (but not freed).
2187 * @param cLeaves The number of leaves.
2188 */
2189static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2190{
2191 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2192
2193 /*
2194 * Install the CPUID information.
2195 */
2196 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2197 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2198
2199 AssertLogRelRCReturn(rc, rc);
2200 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2201 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2202 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2203 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2204 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2205
2206 /*
2207 * Update the default CPUID leaf if necessary.
2208 */
2209 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2210 {
2211 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2212 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2213 {
2214 /* We don't use CPUID(0).eax here because of the NT hack that only
2215 changes that value without actually removing any leaves. */
2216 uint32_t i = 0;
2217 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2218 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2219 {
2220 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2221 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2222 i++;
2223 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2224 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2225 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2226 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2227 }
2228 break;
2229 }
2230 default:
2231 break;
2232 }
2233
2234 /*
2235 * Explode the guest CPU features.
2236 */
2237 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2238 AssertLogRelRCReturn(rc, rc);
2239
2240 /*
2241 * Adjust the scalable bus frequency according to the CPUID information
2242 * we're now using.
2243 */
2244 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2245 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2246 ? UINT64_C(100000000) /* 100MHz */
2247 : UINT64_C(133333333); /* 133MHz */
2248
2249 /*
2250 * Populate the legacy arrays. Currently used for everything, later only
2251 * for patch manager.
2252 */
2253 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2254 {
2255 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2256 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2257 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2258 };
2259 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2260 {
2261 uint32_t cLeft = aOldRanges[i].cCpuIds;
2262 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2263 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2264 while (cLeft-- > 0)
2265 {
2266 uLeaf--;
2267 pLegacyLeaf--;
2268
2269 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2270 if (pLeaf)
2271 {
2272 pLegacyLeaf->uEax = pLeaf->uEax;
2273 pLegacyLeaf->uEbx = pLeaf->uEbx;
2274 pLegacyLeaf->uEcx = pLeaf->uEcx;
2275 pLegacyLeaf->uEdx = pLeaf->uEdx;
2276 }
2277 else
2278 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2279 }
2280 }
2281
2282 /*
2283 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2284 */
2285 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2286 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2287 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2288 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2289 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2290 {
2291 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2292 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2293 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2294 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2295 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2296 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2297 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2298 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2299 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2300 pCpum->GuestFeatures.cbMaxExtendedState),
2301 VERR_CPUM_IPE_1);
2302 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2303 }
2304 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2305
2306 /* Copy the CPU #0 data to the other CPUs. */
2307 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2308 {
2309 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2310 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2311 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2312 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2313 }
2314
2315 return VINF_SUCCESS;
2316}
2317
2318
2319/** @name Instruction Set Extension Options
2320 * @{ */
2321/** Configuration option type (extended boolean, really). */
2322typedef uint8_t CPUMISAEXTCFG;
2323/** Always disable the extension. */
2324#define CPUMISAEXTCFG_DISABLED false
2325/** Enable the extension if it's supported by the host CPU. */
2326#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2327/** Enable the extension if it's supported by the host CPU, but don't let
2328 * the portable CPUID feature disable it. */
2329#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2330/** Always enable the extension. */
2331#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2332/** @} */
2333
2334/**
2335 * CPUID Configuration (from CFGM).
2336 *
2337 * @remarks The members aren't document since we would only be duplicating the
2338 * \@cfgm entries in cpumR3CpuIdReadConfig.
2339 */
2340typedef struct CPUMCPUIDCONFIG
2341{
2342 bool fNt4LeafLimit;
2343 bool fInvariantTsc;
2344 bool fForceVme;
2345 bool fNestedHWVirt;
2346
2347 CPUMISAEXTCFG enmCmpXchg16b;
2348 CPUMISAEXTCFG enmMonitor;
2349 CPUMISAEXTCFG enmMWaitExtensions;
2350 CPUMISAEXTCFG enmSse41;
2351 CPUMISAEXTCFG enmSse42;
2352 CPUMISAEXTCFG enmAvx;
2353 CPUMISAEXTCFG enmAvx2;
2354 CPUMISAEXTCFG enmXSave;
2355 CPUMISAEXTCFG enmAesNi;
2356 CPUMISAEXTCFG enmPClMul;
2357 CPUMISAEXTCFG enmPopCnt;
2358 CPUMISAEXTCFG enmMovBe;
2359 CPUMISAEXTCFG enmRdRand;
2360 CPUMISAEXTCFG enmRdSeed;
2361 CPUMISAEXTCFG enmCLFlushOpt;
2362 CPUMISAEXTCFG enmFsGsBase;
2363 CPUMISAEXTCFG enmPcid;
2364 CPUMISAEXTCFG enmInvpcid;
2365
2366 CPUMISAEXTCFG enmAbm;
2367 CPUMISAEXTCFG enmSse4A;
2368 CPUMISAEXTCFG enmMisAlnSse;
2369 CPUMISAEXTCFG enm3dNowPrf;
2370 CPUMISAEXTCFG enmAmdExtMmx;
2371
2372 uint32_t uMaxStdLeaf;
2373 uint32_t uMaxExtLeaf;
2374 uint32_t uMaxCentaurLeaf;
2375 uint32_t uMaxIntelFamilyModelStep;
2376 char szCpuName[128];
2377} CPUMCPUIDCONFIG;
2378/** Pointer to CPUID config (from CFGM). */
2379typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2380
2381
2382/**
2383 * Mini CPU selection support for making Mac OS X happy.
2384 *
2385 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2386 *
2387 * @param pCpum The CPUM instance data.
2388 * @param pConfig The CPUID configuration we've read from CFGM.
2389 */
2390static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2391{
2392 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2393 {
2394 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2395 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2396 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2397 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2398 0);
2399 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2400 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2401 {
2402 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2403 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2404 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2405 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2406 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2407 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2408 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2409 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2410 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2411 pStdFeatureLeaf->uEax = uNew;
2412 }
2413 }
2414}
2415
2416
2417
2418/**
2419 * Limit it the number of entries, zapping the remainder.
2420 *
2421 * The limits are masking off stuff about power saving and similar, this
2422 * is perhaps a bit crudely done as there is probably some relatively harmless
2423 * info too in these leaves (like words about having a constant TSC).
2424 *
2425 * @param pCpum The CPUM instance data.
2426 * @param pConfig The CPUID configuration we've read from CFGM.
2427 */
2428static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2429{
2430 /*
2431 * Standard leaves.
2432 */
2433 uint32_t uSubLeaf = 0;
2434 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2435 if (pCurLeaf)
2436 {
2437 uint32_t uLimit = pCurLeaf->uEax;
2438 if (uLimit <= UINT32_C(0x000fffff))
2439 {
2440 if (uLimit > pConfig->uMaxStdLeaf)
2441 {
2442 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2443 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2444 uLimit + 1, UINT32_C(0x000fffff));
2445 }
2446
2447 /* NT4 hack, no zapping of extra leaves here. */
2448 if (pConfig->fNt4LeafLimit && uLimit > 3)
2449 pCurLeaf->uEax = uLimit = 3;
2450
2451 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2452 pCurLeaf->uEax = uLimit;
2453 }
2454 else
2455 {
2456 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2457 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2458 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2459 }
2460 }
2461
2462 /*
2463 * Extended leaves.
2464 */
2465 uSubLeaf = 0;
2466 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2467 if (pCurLeaf)
2468 {
2469 uint32_t uLimit = pCurLeaf->uEax;
2470 if ( uLimit >= UINT32_C(0x80000000)
2471 && uLimit <= UINT32_C(0x800fffff))
2472 {
2473 if (uLimit > pConfig->uMaxExtLeaf)
2474 {
2475 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2476 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2477 uLimit + 1, UINT32_C(0x800fffff));
2478 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2479 pCurLeaf->uEax = uLimit;
2480 }
2481 }
2482 else
2483 {
2484 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2485 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2486 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2487 }
2488 }
2489
2490 /*
2491 * Centaur leaves (VIA).
2492 */
2493 uSubLeaf = 0;
2494 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2495 if (pCurLeaf)
2496 {
2497 uint32_t uLimit = pCurLeaf->uEax;
2498 if ( uLimit >= UINT32_C(0xc0000000)
2499 && uLimit <= UINT32_C(0xc00fffff))
2500 {
2501 if (uLimit > pConfig->uMaxCentaurLeaf)
2502 {
2503 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2504 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2505 uLimit + 1, UINT32_C(0xcfffffff));
2506 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2507 pCurLeaf->uEax = uLimit;
2508 }
2509 }
2510 else
2511 {
2512 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2513 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2514 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2515 }
2516 }
2517}
2518
2519
2520/**
2521 * Clears a CPUID leaf and all sub-leaves (to zero).
2522 *
2523 * @param pCpum The CPUM instance data.
2524 * @param uLeaf The leaf to clear.
2525 */
2526static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2527{
2528 uint32_t uSubLeaf = 0;
2529 PCPUMCPUIDLEAF pCurLeaf;
2530 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2531 {
2532 pCurLeaf->uEax = 0;
2533 pCurLeaf->uEbx = 0;
2534 pCurLeaf->uEcx = 0;
2535 pCurLeaf->uEdx = 0;
2536 uSubLeaf++;
2537 }
2538}
2539
2540
2541/**
2542 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2543 * the given leaf.
2544 *
2545 * @returns pLeaf.
2546 * @param pCpum The CPUM instance data.
2547 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2548 */
2549static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2550{
2551 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2552 if (pLeaf->fSubLeafMask != 0)
2553 {
2554 /*
2555 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2556 * Log everything while we're at it.
2557 */
2558 LogRel(("CPUM:\n"
2559 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2560 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2561 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2562 for (;;)
2563 {
2564 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2565 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2566 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2567 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2568 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2569 break;
2570 pSubLeaf++;
2571 }
2572 LogRel(("CPUM:\n"));
2573
2574 /*
2575 * Remove the offending sub-leaves.
2576 */
2577 if (pSubLeaf != pLeaf)
2578 {
2579 if (pSubLeaf != pLast)
2580 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2581 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2582 }
2583
2584 /*
2585 * Convert the first sub-leaf into a single leaf.
2586 */
2587 pLeaf->uSubLeaf = 0;
2588 pLeaf->fSubLeafMask = 0;
2589 }
2590 return pLeaf;
2591}
2592
2593
2594/**
2595 * Sanitizes and adjust the CPUID leaves.
2596 *
2597 * Drop features that aren't virtualized (or virtualizable). Adjust information
2598 * and capabilities to fit the virtualized hardware. Remove information the
2599 * guest shouldn't have (because it's wrong in the virtual world or because it
2600 * gives away host details) or that we don't have documentation for and no idea
2601 * what means.
2602 *
2603 * @returns VBox status code.
2604 * @param pVM The cross context VM structure (for cCpus).
2605 * @param pCpum The CPUM instance data.
2606 * @param pConfig The CPUID configuration we've read from CFGM.
2607 */
2608static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2609{
2610#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2611 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2612 { \
2613 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2614 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2615 }
2616#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2617 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2618 { \
2619 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2620 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2621 }
2622#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2623 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2624 && ((a_pLeafReg) & (fBitMask)) \
2625 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2626 { \
2627 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2628 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2629 }
2630 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2631
2632 /* Cpuid 1:
2633 * EAX: CPU model, family and stepping.
2634 *
2635 * ECX + EDX: Supported features. Only report features we can support.
2636 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2637 * options may require adjusting (i.e. stripping what was enabled).
2638 *
2639 * EBX: Branding, CLFLUSH line size, logical processors per package and
2640 * initial APIC ID.
2641 */
2642 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2643 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2644 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2645
2646 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2647 | X86_CPUID_FEATURE_EDX_VME
2648 | X86_CPUID_FEATURE_EDX_DE
2649 | X86_CPUID_FEATURE_EDX_PSE
2650 | X86_CPUID_FEATURE_EDX_TSC
2651 | X86_CPUID_FEATURE_EDX_MSR
2652 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2653 | X86_CPUID_FEATURE_EDX_MCE
2654 | X86_CPUID_FEATURE_EDX_CX8
2655 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2656 //| RT_BIT_32(10) - not defined
2657 /* Note! we don't report sysenter/sysexit support due to our inability to keep the IOPL part of eflags in sync while in ring 1 (see @bugref{1757}) */
2658 //| X86_CPUID_FEATURE_EDX_SEP
2659 | X86_CPUID_FEATURE_EDX_MTRR
2660 | X86_CPUID_FEATURE_EDX_PGE
2661 | X86_CPUID_FEATURE_EDX_MCA
2662 | X86_CPUID_FEATURE_EDX_CMOV
2663 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2664 | X86_CPUID_FEATURE_EDX_PSE36
2665 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2666 | X86_CPUID_FEATURE_EDX_CLFSH
2667 //| RT_BIT_32(20) - not defined
2668 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2669 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2670 | X86_CPUID_FEATURE_EDX_MMX
2671 | X86_CPUID_FEATURE_EDX_FXSR
2672 | X86_CPUID_FEATURE_EDX_SSE
2673 | X86_CPUID_FEATURE_EDX_SSE2
2674 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2675 | X86_CPUID_FEATURE_EDX_HTT
2676 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2677 //| RT_BIT_32(30) - not defined
2678 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2679 ;
2680 pStdFeatureLeaf->uEcx &= 0
2681 | X86_CPUID_FEATURE_ECX_SSE3
2682 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2683 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2684 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2685 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2686 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2687 | (pConfig->fNestedHWVirt ? X86_CPUID_FEATURE_ECX_VMX : 0)
2688 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2689 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2690 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2691 | X86_CPUID_FEATURE_ECX_SSSE3
2692 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2693 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2694 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2695 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2696 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2697 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2698 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2699 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2700 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2701 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2702 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2703 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2704 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2705 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2706 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2707 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2708 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2709 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2710 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2711 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2712 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2713 ;
2714
2715 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2716 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2717 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2718 {
2719 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2720 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2721 }
2722
2723 if (pCpum->u8PortableCpuIdLevel > 0)
2724 {
2725 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2726 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2727 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2728 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2729 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2730 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2731 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2732 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, VMX, X86_CPUID_FEATURE_ECX_VMX);
2733 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2734 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2735 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2736 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2737 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2738 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2739 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2740 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2741 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2742 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2743 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2744 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2745
2746 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2747 | X86_CPUID_FEATURE_EDX_PSN
2748 | X86_CPUID_FEATURE_EDX_DS
2749 | X86_CPUID_FEATURE_EDX_ACPI
2750 | X86_CPUID_FEATURE_EDX_SS
2751 | X86_CPUID_FEATURE_EDX_TM
2752 | X86_CPUID_FEATURE_EDX_PBE
2753 )));
2754 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2755 | X86_CPUID_FEATURE_ECX_CPLDS
2756 | X86_CPUID_FEATURE_ECX_AES
2757 | X86_CPUID_FEATURE_ECX_VMX
2758 | X86_CPUID_FEATURE_ECX_SMX
2759 | X86_CPUID_FEATURE_ECX_EST
2760 | X86_CPUID_FEATURE_ECX_TM2
2761 | X86_CPUID_FEATURE_ECX_CNTXID
2762 | X86_CPUID_FEATURE_ECX_FMA
2763 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2764 | X86_CPUID_FEATURE_ECX_PDCM
2765 | X86_CPUID_FEATURE_ECX_DCA
2766 | X86_CPUID_FEATURE_ECX_OSXSAVE
2767 )));
2768 }
2769
2770 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2771 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2772
2773 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2774 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2775 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2776 */
2777#ifdef VBOX_WITH_MULTI_CORE
2778 if (pVM->cCpus > 1)
2779 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2780#endif
2781 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2782 {
2783 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2784 core times the number of CPU cores per processor */
2785#ifdef VBOX_WITH_MULTI_CORE
2786 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2787#else
2788 /* Single logical processor in a package. */
2789 pStdFeatureLeaf->uEbx |= (1 << 16);
2790#endif
2791 }
2792
2793 uint32_t uMicrocodeRev;
2794 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2795 if (RT_SUCCESS(rc))
2796 {
2797 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2798 }
2799 else
2800 {
2801 uMicrocodeRev = 0;
2802 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2803 }
2804
2805 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2806 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2807 */
2808 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2809 && uMicrocodeRev < 0x8001126
2810 && !pConfig->fForceVme)
2811 {
2812 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2813 LogRel(("CPUM: Zen VME workaround engaged\n"));
2814 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2815 }
2816
2817 /* Force standard feature bits. */
2818 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2819 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2820 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2821 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2822 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2823 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2824 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2825 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2826 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2827 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2828 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2829 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2830 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2831 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2832 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2833 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2834 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2835 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2836 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2837 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2838 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2839 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2840
2841 pStdFeatureLeaf = NULL; /* Must refetch! */
2842
2843 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2844 * AMD:
2845 * EAX: CPU model, family and stepping.
2846 *
2847 * ECX + EDX: Supported features. Only report features we can support.
2848 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2849 * options may require adjusting (i.e. stripping what was enabled).
2850 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2851 *
2852 * EBX: Branding ID and package type (or reserved).
2853 *
2854 * Intel and probably most others:
2855 * EAX: 0
2856 * EBX: 0
2857 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2858 */
2859 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2860 if (pExtFeatureLeaf)
2861 {
2862 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2863
2864 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2865 | X86_CPUID_AMD_FEATURE_EDX_VME
2866 | X86_CPUID_AMD_FEATURE_EDX_DE
2867 | X86_CPUID_AMD_FEATURE_EDX_PSE
2868 | X86_CPUID_AMD_FEATURE_EDX_TSC
2869 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2870 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2871 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2872 | X86_CPUID_AMD_FEATURE_EDX_CX8
2873 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2874 //| RT_BIT_32(10) - reserved
2875 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2876 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2877 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2878 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2879 | X86_CPUID_AMD_FEATURE_EDX_PGE
2880 | X86_CPUID_AMD_FEATURE_EDX_MCA
2881 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2882 | X86_CPUID_AMD_FEATURE_EDX_PAT
2883 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2884 //| RT_BIT_32(18) - reserved
2885 //| RT_BIT_32(19) - reserved
2886 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2887 //| RT_BIT_32(21) - reserved
2888 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2889 | X86_CPUID_AMD_FEATURE_EDX_MMX
2890 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2891 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2892 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2893 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2894 //| RT_BIT_32(28) - reserved
2895 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2896 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2897 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2898 ;
2899 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2900 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2901 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2902 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2903 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2904 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2905 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2906 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2907 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2908 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2909 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2910 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2911 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2912 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2913 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2914 //| RT_BIT_32(14) - reserved
2915 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2916 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2917 //| RT_BIT_32(17) - reserved
2918 //| RT_BIT_32(18) - reserved
2919 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2920 //| RT_BIT_32(20) - reserved
2921 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2922 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2923 //| RT_BIT_32(23) - reserved
2924 //| RT_BIT_32(24) - reserved
2925 //| RT_BIT_32(25) - reserved
2926 //| RT_BIT_32(26) - reserved
2927 //| RT_BIT_32(27) - reserved
2928 //| RT_BIT_32(28) - reserved
2929 //| RT_BIT_32(29) - reserved
2930 //| RT_BIT_32(30) - reserved
2931 //| RT_BIT_32(31) - reserved
2932 ;
2933#ifdef VBOX_WITH_MULTI_CORE
2934 if ( pVM->cCpus > 1
2935 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2936 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2937#endif
2938
2939 if (pCpum->u8PortableCpuIdLevel > 0)
2940 {
2941 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2942 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM);
2943 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2944 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2945 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2946 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2947 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2948 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2949 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2950 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2951 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2952 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2953 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2954 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2955 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2956 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2957
2958 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2959 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2960 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2961 | X86_CPUID_AMD_FEATURE_ECX_IBS
2962 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2963 | X86_CPUID_AMD_FEATURE_ECX_WDT
2964 | X86_CPUID_AMD_FEATURE_ECX_LWP
2965 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2966 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2967 | UINT32_C(0xff964000)
2968 )));
2969 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2970 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2971 | RT_BIT(18)
2972 | RT_BIT(19)
2973 | RT_BIT(21)
2974 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2975 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2976 | RT_BIT(28)
2977 )));
2978 }
2979
2980 /* Force extended feature bits. */
2981 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2982 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2983 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2984 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2985 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2986 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2987 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2988 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2989 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2990 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2991 }
2992 pExtFeatureLeaf = NULL; /* Must refetch! */
2993
2994
2995 /* Cpuid 2:
2996 * Intel: (Nondeterministic) Cache and TLB information
2997 * AMD: Reserved
2998 * VIA: Reserved
2999 * Safe to expose.
3000 */
3001 uint32_t uSubLeaf = 0;
3002 PCPUMCPUIDLEAF pCurLeaf;
3003 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
3004 {
3005 if ((pCurLeaf->uEax & 0xff) > 1)
3006 {
3007 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
3008 pCurLeaf->uEax &= UINT32_C(0xffffff01);
3009 }
3010 uSubLeaf++;
3011 }
3012
3013 /* Cpuid 3:
3014 * Intel: EAX, EBX - reserved (transmeta uses these)
3015 * ECX, EDX - Processor Serial Number if available, otherwise reserved
3016 * AMD: Reserved
3017 * VIA: Reserved
3018 * Safe to expose
3019 */
3020 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3021 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3022 {
3023 uSubLeaf = 0;
3024 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3025 {
3026 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3027 if (pCpum->u8PortableCpuIdLevel > 0)
3028 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3029 uSubLeaf++;
3030 }
3031 }
3032
3033 /* Cpuid 4 + ECX:
3034 * Intel: Deterministic Cache Parameters Leaf.
3035 * AMD: Reserved
3036 * VIA: Reserved
3037 * Safe to expose, except for EAX:
3038 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3039 * Bits 31-26: Maximum number of processor cores in this physical package**
3040 * Note: These SMP values are constant regardless of ECX
3041 */
3042 uSubLeaf = 0;
3043 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3044 {
3045 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3046#ifdef VBOX_WITH_MULTI_CORE
3047 if ( pVM->cCpus > 1
3048 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3049 {
3050 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3051 /* One logical processor with possibly multiple cores. */
3052 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3053 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3054 }
3055#endif
3056 uSubLeaf++;
3057 }
3058
3059 /* Cpuid 5: Monitor/mwait Leaf
3060 * Intel: ECX, EDX - reserved
3061 * EAX, EBX - Smallest and largest monitor line size
3062 * AMD: EDX - reserved
3063 * EAX, EBX - Smallest and largest monitor line size
3064 * ECX - extensions (ignored for now)
3065 * VIA: Reserved
3066 * Safe to expose
3067 */
3068 uSubLeaf = 0;
3069 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3070 {
3071 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3072 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3073 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3074
3075 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3076 if (pConfig->enmMWaitExtensions)
3077 {
3078 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3079 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3080 it shall be part of our power management virtualization model */
3081#if 0
3082 /* MWAIT sub C-states */
3083 pCurLeaf->uEdx =
3084 (0 << 0) /* 0 in C0 */ |
3085 (2 << 4) /* 2 in C1 */ |
3086 (2 << 8) /* 2 in C2 */ |
3087 (2 << 12) /* 2 in C3 */ |
3088 (0 << 16) /* 0 in C4 */
3089 ;
3090#endif
3091 }
3092 else
3093 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3094 uSubLeaf++;
3095 }
3096
3097 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3098 * Intel: Various stuff.
3099 * AMD: EAX, EBX, EDX - reserved.
3100 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3101 * present. Same as intel.
3102 * VIA: ??
3103 *
3104 * We clear everything here for now.
3105 */
3106 cpumR3CpuIdZeroLeaf(pCpum, 6);
3107
3108 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3109 * EAX: Number of sub leaves.
3110 * EBX+ECX+EDX: Feature flags
3111 *
3112 * We only have documentation for one sub-leaf, so clear all other (no need
3113 * to remove them as such, just set them to zero).
3114 *
3115 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3116 * options may require adjusting (i.e. stripping what was enabled).
3117 */
3118 uSubLeaf = 0;
3119 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3120 {
3121 switch (uSubLeaf)
3122 {
3123 case 0:
3124 {
3125 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3126 pCurLeaf->uEbx &= 0
3127 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3128 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3129 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3130 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3131 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3132 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3133 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3134 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3135 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3136 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3137 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3138 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3139 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3140 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3141 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3142 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3143 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3144 //| RT_BIT(17) - reserved
3145 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3146 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3147 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3148 //| RT_BIT(21) - reserved
3149 //| RT_BIT(22) - reserved
3150 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3151 //| RT_BIT(24) - reserved
3152 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3153 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3154 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3155 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3156 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3157 //| RT_BIT(30) - reserved
3158 //| RT_BIT(31) - reserved
3159 ;
3160 pCurLeaf->uEcx &= 0
3161 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3162 ;
3163 pCurLeaf->uEdx &= 0
3164 //| X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB RT_BIT(26)
3165 //| X86_CPUID_STEXT_FEATURE_EDX_STIBP RT_BIT(27)
3166 //| X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP RT_BIT(29)
3167 ;
3168
3169 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3170 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3171 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3172 {
3173 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3174 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to work around buggy guests\n"));
3175 }
3176
3177 if (pCpum->u8PortableCpuIdLevel > 0)
3178 {
3179 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3180 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3181 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3182 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3183 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3184 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3185 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3186 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3187 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3188 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3189 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3190 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3191 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3192 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3193 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3194 }
3195
3196 /* Force standard feature bits. */
3197 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3198 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3199 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3200 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3201 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3202 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3203 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3204 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3205 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3206 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3207 break;
3208 }
3209
3210 default:
3211 /* Invalid index, all values are zero. */
3212 pCurLeaf->uEax = 0;
3213 pCurLeaf->uEbx = 0;
3214 pCurLeaf->uEcx = 0;
3215 pCurLeaf->uEdx = 0;
3216 break;
3217 }
3218 uSubLeaf++;
3219 }
3220
3221 /* Cpuid 8: Marked as reserved by Intel and AMD.
3222 * We zero this since we don't know what it may have been used for.
3223 */
3224 cpumR3CpuIdZeroLeaf(pCpum, 8);
3225
3226 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3227 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3228 * EBX, ECX, EDX - reserved.
3229 * AMD: Reserved
3230 * VIA: ??
3231 *
3232 * We zero this.
3233 */
3234 cpumR3CpuIdZeroLeaf(pCpum, 9);
3235
3236 /* Cpuid 0xa: Architectural Performance Monitor Features
3237 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3238 * EBX, ECX, EDX - reserved.
3239 * AMD: Reserved
3240 * VIA: ??
3241 *
3242 * We zero this, for now at least.
3243 */
3244 cpumR3CpuIdZeroLeaf(pCpum, 10);
3245
3246 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3247 * Intel: EAX - APCI ID shift right for next level.
3248 * EBX - Factory configured cores/threads at this level.
3249 * ECX - Level number (same as input) and level type (1,2,0).
3250 * EDX - Extended initial APIC ID.
3251 * AMD: Reserved
3252 * VIA: ??
3253 */
3254 uSubLeaf = 0;
3255 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3256 {
3257 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3258 {
3259 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3260 if (bLevelType == 1)
3261 {
3262 /* Thread level - we don't do threads at the moment. */
3263 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3264 pCurLeaf->uEbx = 1;
3265 }
3266 else if (bLevelType == 2)
3267 {
3268 /* Core level. */
3269 pCurLeaf->uEax = 1; /** @todo real CPUs are supposed to be in the 4-6 range, not 1. Our APIC ID assignments are a little special... */
3270#ifdef VBOX_WITH_MULTI_CORE
3271 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3272 pCurLeaf->uEax++;
3273#endif
3274 pCurLeaf->uEbx = pVM->cCpus;
3275 }
3276 else
3277 {
3278 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3279 pCurLeaf->uEax = 0;
3280 pCurLeaf->uEbx = 0;
3281 pCurLeaf->uEcx = 0;
3282 }
3283 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3284 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3285 }
3286 else
3287 {
3288 pCurLeaf->uEax = 0;
3289 pCurLeaf->uEbx = 0;
3290 pCurLeaf->uEcx = 0;
3291 pCurLeaf->uEdx = 0;
3292 }
3293 uSubLeaf++;
3294 }
3295
3296 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3297 * We zero this since we don't know what it may have been used for.
3298 */
3299 cpumR3CpuIdZeroLeaf(pCpum, 12);
3300
3301 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3302 * ECX=0: EAX - Valid bits in XCR0[31:0].
3303 * EBX - Maximum state size as per current XCR0 value.
3304 * ECX - Maximum state size for all supported features.
3305 * EDX - Valid bits in XCR0[63:32].
3306 * ECX=1: EAX - Various X-features.
3307 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3308 * ECX - Valid bits in IA32_XSS[31:0].
3309 * EDX - Valid bits in IA32_XSS[63:32].
3310 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3311 * if the bit invalid all four registers are set to zero.
3312 * EAX - The state size for this feature.
3313 * EBX - The state byte offset of this feature.
3314 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3315 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3316 *
3317 * Clear them all as we don't currently implement extended CPU state.
3318 */
3319 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3320 uint64_t fGuestXcr0Mask = 0;
3321 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3322 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3323 {
3324 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3325 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3326 fGuestXcr0Mask |= XSAVE_C_YMM;
3327 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3328 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3329 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3330 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3331
3332 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3333 }
3334 pStdFeatureLeaf = NULL;
3335 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3336
3337 /* Work the sub-leaves. */
3338 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3339 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3340 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3341 {
3342 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3343 if (pCurLeaf)
3344 {
3345 if (fGuestXcr0Mask)
3346 {
3347 switch (uSubLeaf)
3348 {
3349 case 0:
3350 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3351 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3352 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3353 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3354 VERR_CPUM_IPE_1);
3355 cbXSaveMaxActual = pCurLeaf->uEcx;
3356 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3357 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3358 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3359 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3360 VERR_CPUM_IPE_2);
3361 continue;
3362 case 1:
3363 pCurLeaf->uEax &= 0;
3364 pCurLeaf->uEcx &= 0;
3365 pCurLeaf->uEdx &= 0;
3366 /** @todo what about checking ebx? */
3367 continue;
3368 default:
3369 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3370 {
3371 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3372 && pCurLeaf->uEax > 0
3373 && pCurLeaf->uEbx < cbXSaveMaxActual
3374 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3375 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3376 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3377 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3378 VERR_CPUM_IPE_2);
3379 AssertLogRel(!(pCurLeaf->uEcx & 1));
3380 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3381 pCurLeaf->uEdx = 0; /* it's reserved... */
3382 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3383 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3384 continue;
3385 }
3386 break;
3387 }
3388 }
3389
3390 /* Clear the leaf. */
3391 pCurLeaf->uEax = 0;
3392 pCurLeaf->uEbx = 0;
3393 pCurLeaf->uEcx = 0;
3394 pCurLeaf->uEdx = 0;
3395 }
3396 }
3397
3398 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3399 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3400 {
3401 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3402 if (pCurLeaf)
3403 {
3404 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3405 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3406 pCurLeaf->uEbx = cbXSaveMaxReport;
3407 pCurLeaf->uEcx = cbXSaveMaxReport;
3408 }
3409 }
3410
3411 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3412 * We zero this since we don't know what it may have been used for.
3413 */
3414 cpumR3CpuIdZeroLeaf(pCpum, 14);
3415
3416 /* Cpuid 0xf + ECX: Platform quality of service monitoring (PQM),
3417 * also known as Intel Resource Director Technology (RDT) Monitoring
3418 * We zero this as we don't currently virtualize PQM.
3419 */
3420 cpumR3CpuIdZeroLeaf(pCpum, 15);
3421
3422 /* Cpuid 0x10 + ECX: Platform quality of service enforcement (PQE),
3423 * also known as Intel Resource Director Technology (RDT) Allocation
3424 * We zero this as we don't currently virtualize PQE.
3425 */
3426 cpumR3CpuIdZeroLeaf(pCpum, 16);
3427
3428 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3429 * We zero this since we don't know what it may have been used for.
3430 */
3431 cpumR3CpuIdZeroLeaf(pCpum, 17);
3432
3433 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3434 * We zero this as we don't currently virtualize this.
3435 */
3436 cpumR3CpuIdZeroLeaf(pCpum, 18);
3437
3438 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3439 * We zero this since we don't know what it may have been used for.
3440 */
3441 cpumR3CpuIdZeroLeaf(pCpum, 19);
3442
3443 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3444 * We zero this as we don't currently virtualize this.
3445 */
3446 cpumR3CpuIdZeroLeaf(pCpum, 20);
3447
3448 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3449 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3450 * EAX - denominator (unsigned).
3451 * EBX - numerator (unsigned).
3452 * ECX, EDX - reserved.
3453 * AMD: Reserved / undefined / not implemented.
3454 * VIA: Reserved / undefined / not implemented.
3455 * We zero this as we don't currently virtualize this.
3456 */
3457 cpumR3CpuIdZeroLeaf(pCpum, 21);
3458
3459 /* Cpuid 0x16: Processor frequency info
3460 * Intel: EAX - Core base frequency in MHz.
3461 * EBX - Core maximum frequency in MHz.
3462 * ECX - Bus (reference) frequency in MHz.
3463 * EDX - Reserved.
3464 * AMD: Reserved / undefined / not implemented.
3465 * VIA: Reserved / undefined / not implemented.
3466 * We zero this as we don't currently virtualize this.
3467 */
3468 cpumR3CpuIdZeroLeaf(pCpum, 22);
3469
3470 /* Cpuid 0x17..0x10000000: Unknown.
3471 * We don't know these and what they mean, so remove them. */
3472 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3473 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3474
3475
3476 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3477 * We remove all these as we're a hypervisor and must provide our own.
3478 */
3479 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3480 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3481
3482
3483 /* Cpuid 0x80000000 is harmless. */
3484
3485 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3486
3487 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3488
3489 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3490 * Safe to pass on to the guest.
3491 *
3492 * AMD: 0x800000005 L1 cache information
3493 * 0x800000006 L2/L3 cache information
3494 * Intel: 0x800000005 reserved
3495 * 0x800000006 L2 cache information
3496 * VIA: 0x800000005 TLB and L1 cache information
3497 * 0x800000006 L2 cache information
3498 */
3499
3500 /* Cpuid 0x800000007: Advanced Power Management Information.
3501 * AMD: EAX: Processor feedback capabilities.
3502 * EBX: RAS capabilites.
3503 * ECX: Advanced power monitoring interface.
3504 * EDX: Enhanced power management capabilities.
3505 * Intel: EAX, EBX, ECX - reserved.
3506 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3507 * VIA: Reserved
3508 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3509 */
3510 uSubLeaf = 0;
3511 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3512 {
3513 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3514 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3515 {
3516 /*
3517 * Older 64-bit linux kernels blindly assume that the AMD performance counters work
3518 * if X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR is set, see @bugref{7243#c85}. Exposing this
3519 * bit is now configurable.
3520 */
3521 pCurLeaf->uEdx &= 0
3522 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3523 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3524 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3525 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3526 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3527 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3528 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3529 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3530 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3531 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3532 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3533 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3534 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3535 | 0;
3536 }
3537 else
3538 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3539 if (!pConfig->fInvariantTsc)
3540 pCurLeaf->uEdx &= ~X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3541 uSubLeaf++;
3542 }
3543
3544 /* Cpuid 0x80000008:
3545 * AMD: EBX, EDX - reserved
3546 * EAX: Virtual/Physical/Guest address Size
3547 * ECX: Number of cores + APICIdCoreIdSize
3548 * Intel: EAX: Virtual/Physical address Size
3549 * EBX, ECX, EDX - reserved
3550 * VIA: EAX: Virtual/Physical address Size
3551 * EBX, ECX, EDX - reserved
3552 *
3553 * We only expose the virtual+pysical address size to the guest atm.
3554 * On AMD we set the core count, but not the apic id stuff as we're
3555 * currently not doing the apic id assignments in a complatible manner.
3556 */
3557 uSubLeaf = 0;
3558 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3559 {
3560 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3561 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3562 pCurLeaf->uEdx = 0; /* reserved */
3563
3564 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3565 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3566 pCurLeaf->uEcx = 0;
3567#ifdef VBOX_WITH_MULTI_CORE
3568 if ( pVM->cCpus > 1
3569 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3570 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3571#endif
3572 uSubLeaf++;
3573 }
3574
3575 /* Cpuid 0x80000009: Reserved
3576 * We zero this since we don't know what it may have been used for.
3577 */
3578 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3579
3580 /* Cpuid 0x8000000a: SVM Information
3581 * AMD: EAX - SVM revision.
3582 * EBX - Number of ASIDs.
3583 * ECX - Reserved.
3584 * EDX - SVM Feature identification.
3585 */
3586 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3587 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3588 {
3589 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3590 pSvmFeatureLeaf->uEax = 0x1;
3591 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3592 pSvmFeatureLeaf->uEcx = 0;
3593 pSvmFeatureLeaf->uEdx &= ( X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE /** @todo Support other SVM features */
3594 | X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID
3595 | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
3596 }
3597 else
3598 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3599
3600 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3601 * We clear these as we don't know what purpose they might have. */
3602 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3603 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3604
3605 /* Cpuid 0x80000019: TLB configuration
3606 * Seems to be harmless, pass them thru as is. */
3607
3608 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3609 * Strip anything we don't know what is or addresses feature we don't implement. */
3610 uSubLeaf = 0;
3611 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3612 {
3613 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3614 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3615 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3616 ;
3617 pCurLeaf->uEbx = 0; /* reserved */
3618 pCurLeaf->uEcx = 0; /* reserved */
3619 pCurLeaf->uEdx = 0; /* reserved */
3620 uSubLeaf++;
3621 }
3622
3623 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3624 * Clear this as we don't currently virtualize this feature. */
3625 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3626
3627 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3628 * Clear this as we don't currently virtualize this feature. */
3629 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3630
3631 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3632 * We need to sanitize the cores per cache (EAX[25:14]).
3633 *
3634 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3635 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3636 * slightly different meaning.
3637 */
3638 uSubLeaf = 0;
3639 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3640 {
3641#ifdef VBOX_WITH_MULTI_CORE
3642 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3643 if (cCores > pVM->cCpus)
3644 cCores = pVM->cCpus;
3645 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3646 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3647#else
3648 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3649#endif
3650 uSubLeaf++;
3651 }
3652
3653 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3654 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3655 * setup, we have one compute unit with all the cores in it. Single node.
3656 */
3657 uSubLeaf = 0;
3658 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3659 {
3660 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3661 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3662 {
3663#ifdef VBOX_WITH_MULTI_CORE
3664 pCurLeaf->uEbx = pVM->cCpus < 0x100
3665 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3666#else
3667 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3668#endif
3669 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3670 }
3671 else
3672 {
3673 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3674 pCurLeaf->uEbx = 0; /* Reserved. */
3675 pCurLeaf->uEcx = 0; /* Reserved. */
3676 }
3677 pCurLeaf->uEdx = 0; /* Reserved. */
3678 uSubLeaf++;
3679 }
3680
3681 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3682 * We don't know these and what they mean, so remove them. */
3683 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3684 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3685
3686 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3687 * Just pass it thru for now. */
3688
3689 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3690 * Just pass it thru for now. */
3691
3692 /* Cpuid 0xc0000000: Centaur stuff.
3693 * Harmless, pass it thru. */
3694
3695 /* Cpuid 0xc0000001: Centaur features.
3696 * VIA: EAX - Family, model, stepping.
3697 * EDX - Centaur extended feature flags. Nothing interesting, except may
3698 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3699 * EBX, ECX - reserved.
3700 * We keep EAX but strips the rest.
3701 */
3702 uSubLeaf = 0;
3703 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3704 {
3705 pCurLeaf->uEbx = 0;
3706 pCurLeaf->uEcx = 0;
3707 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3708 uSubLeaf++;
3709 }
3710
3711 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3712 * We only have fixed stale values, but should be harmless. */
3713
3714 /* Cpuid 0xc0000003: Reserved.
3715 * We zero this since we don't know what it may have been used for.
3716 */
3717 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3718
3719 /* Cpuid 0xc0000004: Centaur Performance Info.
3720 * We only have fixed stale values, but should be harmless. */
3721
3722
3723 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3724 * We don't know these and what they mean, so remove them. */
3725 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3726 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3727
3728 return VINF_SUCCESS;
3729#undef PORTABLE_DISABLE_FEATURE_BIT
3730#undef PORTABLE_CLEAR_BITS_WHEN
3731}
3732
3733
3734/**
3735 * Reads a value in /CPUM/IsaExts/ node.
3736 *
3737 * @returns VBox status code (error message raised).
3738 * @param pVM The cross context VM structure. (For errors.)
3739 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3740 * @param pszValueName The value / extension name.
3741 * @param penmValue Where to return the choice.
3742 * @param enmDefault The default choice.
3743 */
3744static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3745 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3746{
3747 /*
3748 * Try integer encoding first.
3749 */
3750 uint64_t uValue;
3751 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3752 if (RT_SUCCESS(rc))
3753 switch (uValue)
3754 {
3755 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3756 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3757 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3758 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3759 default:
3760 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3761 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3762 pszValueName, uValue);
3763 }
3764 /*
3765 * If missing, use default.
3766 */
3767 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3768 *penmValue = enmDefault;
3769 else
3770 {
3771 if (rc == VERR_CFGM_NOT_INTEGER)
3772 {
3773 /*
3774 * Not an integer, try read it as a string.
3775 */
3776 char szValue[32];
3777 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3778 if (RT_SUCCESS(rc))
3779 {
3780 RTStrToLower(szValue);
3781 size_t cchValue = strlen(szValue);
3782#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3783 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3784 *penmValue = CPUMISAEXTCFG_DISABLED;
3785 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3786 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3787 else if (EQ("forced") || EQ("force") || EQ("always"))
3788 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3789 else if (EQ("portable"))
3790 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3791 else if (EQ("default") || EQ("def"))
3792 *penmValue = enmDefault;
3793 else
3794 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3795 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3796 pszValueName, uValue);
3797#undef EQ
3798 }
3799 }
3800 if (RT_FAILURE(rc))
3801 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3802 }
3803 return VINF_SUCCESS;
3804}
3805
3806
3807/**
3808 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3809 *
3810 * @returns VBox status code (error message raised).
3811 * @param pVM The cross context VM structure. (For errors.)
3812 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3813 * @param pszValueName The value / extension name.
3814 * @param penmValue Where to return the choice.
3815 * @param enmDefault The default choice.
3816 * @param fAllowed Allowed choice. Applied both to the result and to
3817 * the default value.
3818 */
3819static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3820 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3821{
3822 int rc;
3823 if (fAllowed)
3824 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3825 else
3826 {
3827 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3828 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3829 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3830 *penmValue = CPUMISAEXTCFG_DISABLED;
3831 }
3832 return rc;
3833}
3834
3835
3836/**
3837 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3838 *
3839 * @returns VBox status code (error message raised).
3840 * @param pVM The cross context VM structure. (For errors.)
3841 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3842 * @param pCpumCfg The /CPUM node (can be NULL).
3843 * @param pszValueName The value / extension name.
3844 * @param penmValue Where to return the choice.
3845 * @param enmDefault The default choice.
3846 */
3847static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3848 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3849{
3850 if (CFGMR3Exists(pCpumCfg, pszValueName))
3851 {
3852 if (!CFGMR3Exists(pIsaExts, pszValueName))
3853 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3854 else
3855 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3856 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3857 pszValueName, pszValueName);
3858
3859 bool fLegacy;
3860 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3861 if (RT_SUCCESS(rc))
3862 {
3863 *penmValue = fLegacy;
3864 return VINF_SUCCESS;
3865 }
3866 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3867 }
3868
3869 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3870}
3871
3872
3873static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3874{
3875 int rc;
3876
3877 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3878 * When non-zero CPUID features that could cause portability issues will be
3879 * stripped. The higher the value the more features gets stripped. Higher
3880 * values should only be used when older CPUs are involved since it may
3881 * harm performance and maybe also cause problems with specific guests. */
3882 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3883 AssertLogRelRCReturn(rc, rc);
3884
3885 /** @cfgm{/CPUM/GuestCpuName, string}
3886 * The name of the CPU we're to emulate. The default is the host CPU.
3887 * Note! CPUs other than "host" one is currently unsupported. */
3888 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3889 AssertLogRelRCReturn(rc, rc);
3890
3891 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3892 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3893 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3894 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3895 */
3896 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3897 AssertLogRelRCReturn(rc, rc);
3898
3899 /** @cfgm{/CPUM/InvariantTsc, boolean, true}
3900 * Pass-through the invariant TSC flag in 0x80000007 if available on the host
3901 * CPU. On AMD CPUs, users may wish to suppress it to avoid trouble from older
3902 * 64-bit linux guests which assume the presence of AMD performance counters
3903 * that we do not virtualize.
3904 */
3905 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, true);
3906 AssertLogRelRCReturn(rc, rc);
3907
3908 /** @cfgm{/CPUM/ForceVme, boolean, false}
3909 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3910 * By default the flag is passed thru as is from the host CPU, except
3911 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3912 * guests and DOS boxes in general.
3913 */
3914 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3915 AssertLogRelRCReturn(rc, rc);
3916
3917 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3918 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3919 * probably going to be a temporary hack, so don't depend on this.
3920 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3921 * number and the 3rd byte value is the family, and the 4th value must be zero.
3922 */
3923 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3924 AssertLogRelRCReturn(rc, rc);
3925
3926 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3927 * The last standard leaf to keep. The actual last value that is stored in EAX
3928 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3929 * removed. (This works independently of and differently from NT4LeafLimit.)
3930 * The default is usually set to what we're able to reasonably sanitize.
3931 */
3932 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3933 AssertLogRelRCReturn(rc, rc);
3934
3935 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3936 * The last extended leaf to keep. The actual last value that is stored in EAX
3937 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3938 * leaf are removed. The default is set to what we're able to sanitize.
3939 */
3940 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3941 AssertLogRelRCReturn(rc, rc);
3942
3943 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3944 * The last extended leaf to keep. The actual last value that is stored in EAX
3945 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3946 * leaf are removed. The default is set to what we're able to sanitize.
3947 */
3948 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3949 AssertLogRelRCReturn(rc, rc);
3950
3951 bool fQueryNestedHwvirt = false;
3952#ifdef VBOX_WITH_NESTED_HWVIRT_SVM
3953 fQueryNestedHwvirt |= RT_BOOL(pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD);
3954#endif
3955#ifdef VBOX_WITH_NESTED_HWVIRT_VMX
3956 fQueryNestedHwvirt |= RT_BOOL( pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL
3957 || pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_VIA);
3958#endif
3959 if (fQueryNestedHwvirt)
3960 {
3961 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
3962 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
3963 * The default is false, and when enabled requires a 64-bit CPU with support for
3964 * nested-paging and AMD-V or unrestricted guest mode.
3965 */
3966 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
3967 AssertLogRelRCReturn(rc, rc);
3968 if ( pConfig->fNestedHWVirt
3969 && !fNestedPagingAndFullGuestExec)
3970 return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
3971 "Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!\n");
3972
3973 /** @todo Think about enabling this later with NEM/KVM. */
3974 if ( pConfig->fNestedHWVirt
3975 && VM_IS_NEM_ENABLED(pVM))
3976 {
3977 LogRel(("CPUM: WARNING! Can't turn on nested VT-x/AMD-V when NEM is used!\n"));
3978 pConfig->fNestedHWVirt = false;
3979 }
3980
3981#if HC_ARCH_BITS == 32
3982 /* We don't support nested hardware virtualization on 32-bit hosts. */
3983 if (pConfig->fNestedHWVirt)
3984 return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
3985 "Cannot enable nested VT-x/AMD-V on a 32-bit host\n");
3986#endif
3987 }
3988
3989 /*
3990 * Instruction Set Architecture (ISA) Extensions.
3991 */
3992 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3993 if (pIsaExts)
3994 {
3995 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3996 "CMPXCHG16B"
3997 "|MONITOR"
3998 "|MWaitExtensions"
3999 "|SSE4.1"
4000 "|SSE4.2"
4001 "|XSAVE"
4002 "|AVX"
4003 "|AVX2"
4004 "|AESNI"
4005 "|PCLMUL"
4006 "|POPCNT"
4007 "|MOVBE"
4008 "|RDRAND"
4009 "|RDSEED"
4010 "|CLFLUSHOPT"
4011 "|FSGSBASE"
4012 "|PCID"
4013 "|INVPCID"
4014 "|ABM"
4015 "|SSE4A"
4016 "|MISALNSSE"
4017 "|3DNOWPRF"
4018 "|AXMMX"
4019 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
4020 if (RT_FAILURE(rc))
4021 return rc;
4022 }
4023
4024 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
4025 * Expose CMPXCHG16B to the guest if supported by the host. For the time
4026 * being the default is to only do this for VMs with nested paging and AMD-V or
4027 * unrestricted guest mode.
4028 */
4029 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
4030 AssertLogRelRCReturn(rc, rc);
4031
4032 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
4033 * Expose MONITOR/MWAIT instructions to the guest.
4034 */
4035 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
4036 AssertLogRelRCReturn(rc, rc);
4037
4038 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
4039 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
4040 * break on interrupt feature (bit 1).
4041 */
4042 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
4043 AssertLogRelRCReturn(rc, rc);
4044
4045 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4046 * Expose SSE4.1 to the guest if available.
4047 */
4048 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4049 AssertLogRelRCReturn(rc, rc);
4050
4051 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4052 * Expose SSE4.2 to the guest if available.
4053 */
4054 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4055 AssertLogRelRCReturn(rc, rc);
4056
4057 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4058 && pVM->cpum.s.HostFeatures.fXSaveRstor
4059 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
4060#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
4061 && ( !HMIsLongModeAllowed(pVM)
4062 || NEMHCIsLongModeAllowed(pVM))
4063#endif
4064 ;
4065 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4066
4067 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4068 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4069 * default is to only expose this to VMs with nested paging and AMD-V or
4070 * unrestricted guest execution mode. Not possible to force this one without
4071 * host support at the moment.
4072 */
4073 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4074 fMayHaveXSave /*fAllowed*/);
4075 AssertLogRelRCReturn(rc, rc);
4076
4077 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4078 * Expose the AVX instruction set extensions to the guest if available and
4079 * XSAVE is exposed too. For the time being the default is to only expose this
4080 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4081 */
4082 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4083 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4084 AssertLogRelRCReturn(rc, rc);
4085
4086 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4087 * Expose the AVX2 instruction set extensions to the guest if available and
4088 * XSAVE is exposed too. For the time being the default is to only expose this
4089 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4090 */
4091 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4092 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4093 AssertLogRelRCReturn(rc, rc);
4094
4095 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4096 * Whether to expose the AES instructions to the guest. For the time being the
4097 * default is to only do this for VMs with nested paging and AMD-V or
4098 * unrestricted guest mode.
4099 */
4100 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4101 AssertLogRelRCReturn(rc, rc);
4102
4103 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4104 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4105 * being the default is to only do this for VMs with nested paging and AMD-V or
4106 * unrestricted guest mode.
4107 */
4108 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4109 AssertLogRelRCReturn(rc, rc);
4110
4111 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4112 * Whether to expose the POPCNT instructions to the guest. For the time
4113 * being the default is to only do this for VMs with nested paging and AMD-V or
4114 * unrestricted guest mode.
4115 */
4116 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4117 AssertLogRelRCReturn(rc, rc);
4118
4119 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4120 * Whether to expose the MOVBE instructions to the guest. For the time
4121 * being the default is to only do this for VMs with nested paging and AMD-V or
4122 * unrestricted guest mode.
4123 */
4124 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4125 AssertLogRelRCReturn(rc, rc);
4126
4127 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4128 * Whether to expose the RDRAND instructions to the guest. For the time being
4129 * the default is to only do this for VMs with nested paging and AMD-V or
4130 * unrestricted guest mode.
4131 */
4132 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4133 AssertLogRelRCReturn(rc, rc);
4134
4135 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4136 * Whether to expose the RDSEED instructions to the guest. For the time being
4137 * the default is to only do this for VMs with nested paging and AMD-V or
4138 * unrestricted guest mode.
4139 */
4140 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4141 AssertLogRelRCReturn(rc, rc);
4142
4143 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4144 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4145 * being the default is to only do this for VMs with nested paging and AMD-V or
4146 * unrestricted guest mode.
4147 */
4148 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4149 AssertLogRelRCReturn(rc, rc);
4150
4151 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4152 * Whether to expose the read/write FSGSBASE instructions to the guest.
4153 */
4154 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4155 AssertLogRelRCReturn(rc, rc);
4156
4157 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4158 * Whether to expose the PCID feature to the guest.
4159 */
4160 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4161 AssertLogRelRCReturn(rc, rc);
4162
4163 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4164 * Whether to expose the INVPCID instruction to the guest.
4165 */
4166 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4167 AssertLogRelRCReturn(rc, rc);
4168
4169
4170 /* AMD: */
4171
4172 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4173 * Whether to expose the AMD ABM instructions to the guest. For the time
4174 * being the default is to only do this for VMs with nested paging and AMD-V or
4175 * unrestricted guest mode.
4176 */
4177 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4178 AssertLogRelRCReturn(rc, rc);
4179
4180 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4181 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4182 * being the default is to only do this for VMs with nested paging and AMD-V or
4183 * unrestricted guest mode.
4184 */
4185 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4186 AssertLogRelRCReturn(rc, rc);
4187
4188 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4189 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4190 * the time being the default is to only do this for VMs with nested paging and
4191 * AMD-V or unrestricted guest mode.
4192 */
4193 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4194 AssertLogRelRCReturn(rc, rc);
4195
4196 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4197 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4198 * For the time being the default is to only do this for VMs with nested paging
4199 * and AMD-V or unrestricted guest mode.
4200 */
4201 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4202 AssertLogRelRCReturn(rc, rc);
4203
4204 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4205 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4206 * the default is to only do this for VMs with nested paging and AMD-V or
4207 * unrestricted guest mode.
4208 */
4209 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4210 AssertLogRelRCReturn(rc, rc);
4211
4212 return VINF_SUCCESS;
4213}
4214
4215
4216/**
4217 * Initializes the emulated CPU's CPUID & MSR information.
4218 *
4219 * @returns VBox status code.
4220 * @param pVM The cross context VM structure.
4221 */
4222int cpumR3InitCpuIdAndMsrs(PVM pVM)
4223{
4224 PCPUM pCpum = &pVM->cpum.s;
4225 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4226
4227 /*
4228 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4229 * on construction and manage everything from here on.
4230 */
4231 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4232 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4233
4234 /*
4235 * Read the configuration.
4236 */
4237 CPUMCPUIDCONFIG Config;
4238 RT_ZERO(Config);
4239
4240 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4241 AssertRCReturn(rc, rc);
4242
4243 /*
4244 * Get the guest CPU data from the database and/or the host.
4245 *
4246 * The CPUID and MSRs are currently living on the regular heap to avoid
4247 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4248 * API for the hyper heap). This means special cleanup considerations.
4249 */
4250 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4251 if (RT_FAILURE(rc))
4252 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4253 ? VMSetError(pVM, rc, RT_SRC_POS,
4254 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4255 : rc;
4256
4257 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4258 {
4259 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4260 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4261 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4262 }
4263 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4264
4265 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4266 * Overrides the guest MSRs.
4267 */
4268 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4269
4270 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4271 * Overrides the CPUID leaf values (from the host CPU usually) used for
4272 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4273 * values when moving a VM to a different machine. Another use is restricting
4274 * (or extending) the feature set exposed to the guest. */
4275 if (RT_SUCCESS(rc))
4276 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4277
4278 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4279 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4280 "Found unsupported configuration node '/CPUM/CPUID/'. "
4281 "Please use IMachine::setCPUIDLeaf() instead.");
4282
4283 /*
4284 * Pre-explode the CPUID info.
4285 */
4286 if (RT_SUCCESS(rc))
4287 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4288
4289 /*
4290 * Sanitize the cpuid information passed on to the guest.
4291 */
4292 if (RT_SUCCESS(rc))
4293 {
4294 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4295 if (RT_SUCCESS(rc))
4296 {
4297 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4298 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4299 }
4300 }
4301
4302 /*
4303 * MSR fudging.
4304 */
4305 if (RT_SUCCESS(rc))
4306 {
4307 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4308 * Fudges some common MSRs if not present in the selected CPU database entry.
4309 * This is for trying to keep VMs running when moved between different hosts
4310 * and different CPU vendors. */
4311 bool fEnable;
4312 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4313 if (RT_SUCCESS(rc) && fEnable)
4314 {
4315 rc = cpumR3MsrApplyFudge(pVM);
4316 AssertLogRelRC(rc);
4317 }
4318 }
4319 if (RT_SUCCESS(rc))
4320 {
4321 /*
4322 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4323 * guest CPU features again.
4324 */
4325 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4326 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4327 pCpum->GuestInfo.cCpuIdLeaves);
4328 RTMemFree(pvFree);
4329
4330 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4331 int rc2 = MMHyperDupMem(pVM, pvFree,
4332 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4333 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4334 RTMemFree(pvFree);
4335 AssertLogRelRCReturn(rc1, rc1);
4336 AssertLogRelRCReturn(rc2, rc2);
4337
4338 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4339 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4340
4341
4342 /*
4343 * Some more configuration that we're applying at the end of everything
4344 * via the CPUMSetGuestCpuIdFeature API.
4345 */
4346
4347 /* Check if PAE was explicitely enabled by the user. */
4348 bool fEnable;
4349 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4350 AssertRCReturn(rc, rc);
4351 if (fEnable)
4352 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4353
4354 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4355 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4356 AssertRCReturn(rc, rc);
4357 if (fEnable)
4358 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4359
4360 /* Check if speculation control is enabled. */
4361 rc = CFGMR3QueryBoolDef(pCpumCfg, "SpecCtrl", &fEnable, false);
4362 AssertRCReturn(rc, rc);
4363 if (fEnable)
4364 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SPEC_CTRL);
4365
4366 return VINF_SUCCESS;
4367 }
4368
4369 /*
4370 * Failed before switching to hyper heap.
4371 */
4372 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4373 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4374 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4375 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4376 return rc;
4377}
4378
4379
4380/**
4381 * Sets a CPUID feature bit during VM initialization.
4382 *
4383 * Since the CPUID feature bits are generally related to CPU features, other
4384 * CPUM configuration like MSRs can also be modified by calls to this API.
4385 *
4386 * @param pVM The cross context VM structure.
4387 * @param enmFeature The feature to set.
4388 */
4389VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4390{
4391 PCPUMCPUIDLEAF pLeaf;
4392 PCPUMMSRRANGE pMsrRange;
4393
4394 switch (enmFeature)
4395 {
4396 /*
4397 * Set the APIC bit in both feature masks.
4398 */
4399 case CPUMCPUIDFEATURE_APIC:
4400 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4401 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4402 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4403
4404 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4405 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4406 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4407
4408 pVM->cpum.s.GuestFeatures.fApic = 1;
4409
4410 /* Make sure we've got the APICBASE MSR present. */
4411 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4412 if (!pMsrRange)
4413 {
4414 static CPUMMSRRANGE const s_ApicBase =
4415 {
4416 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4417 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4418 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4419 /*.szName = */ "IA32_APIC_BASE"
4420 };
4421 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4422 AssertLogRelRC(rc);
4423 }
4424
4425 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4426 break;
4427
4428 /*
4429 * Set the x2APIC bit in the standard feature mask.
4430 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4431 */
4432 case CPUMCPUIDFEATURE_X2APIC:
4433 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4434 if (pLeaf)
4435 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4436 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4437
4438 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4439 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4440 if (pMsrRange)
4441 {
4442 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4443 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4444 }
4445
4446 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4447 break;
4448
4449 /*
4450 * Set the sysenter/sysexit bit in the standard feature mask.
4451 * Assumes the caller knows what it's doing! (host must support these)
4452 */
4453 case CPUMCPUIDFEATURE_SEP:
4454 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4455 {
4456 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4457 return;
4458 }
4459
4460 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4461 if (pLeaf)
4462 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4463 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4464 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4465 break;
4466
4467 /*
4468 * Set the syscall/sysret bit in the extended feature mask.
4469 * Assumes the caller knows what it's doing! (host must support these)
4470 */
4471 case CPUMCPUIDFEATURE_SYSCALL:
4472 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4473 if ( !pLeaf
4474 || !pVM->cpum.s.HostFeatures.fSysCall)
4475 {
4476#if HC_ARCH_BITS == 32
4477 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4478 mode by Intel, even when the cpu is capable of doing so in
4479 64-bit mode. Long mode requires syscall support. */
4480 if (!pVM->cpum.s.HostFeatures.fLongMode)
4481#endif
4482 {
4483 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4484 return;
4485 }
4486 }
4487
4488 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4489 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4490 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4491 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4492 break;
4493
4494 /*
4495 * Set the PAE bit in both feature masks.
4496 * Assumes the caller knows what it's doing! (host must support these)
4497 */
4498 case CPUMCPUIDFEATURE_PAE:
4499 if (!pVM->cpum.s.HostFeatures.fPae)
4500 {
4501 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4502 return;
4503 }
4504
4505 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4506 if (pLeaf)
4507 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4508
4509 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4510 if ( pLeaf
4511 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4512 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4513
4514 pVM->cpum.s.GuestFeatures.fPae = 1;
4515 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4516 break;
4517
4518 /*
4519 * Set the LONG MODE bit in the extended feature mask.
4520 * Assumes the caller knows what it's doing! (host must support these)
4521 */
4522 case CPUMCPUIDFEATURE_LONG_MODE:
4523 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4524 if ( !pLeaf
4525 || !pVM->cpum.s.HostFeatures.fLongMode)
4526 {
4527 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4528 return;
4529 }
4530
4531 /* Valid for both Intel and AMD. */
4532 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4533 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4534 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4535 break;
4536
4537 /*
4538 * Set the NX/XD bit in the extended feature mask.
4539 * Assumes the caller knows what it's doing! (host must support these)
4540 */
4541 case CPUMCPUIDFEATURE_NX:
4542 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4543 if ( !pLeaf
4544 || !pVM->cpum.s.HostFeatures.fNoExecute)
4545 {
4546 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4547 return;
4548 }
4549
4550 /* Valid for both Intel and AMD. */
4551 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4552 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4553 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4554 break;
4555
4556
4557 /*
4558 * Set the LAHF/SAHF support in 64-bit mode.
4559 * Assumes the caller knows what it's doing! (host must support this)
4560 */
4561 case CPUMCPUIDFEATURE_LAHF:
4562 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4563 if ( !pLeaf
4564 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4565 {
4566 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4567 return;
4568 }
4569
4570 /* Valid for both Intel and AMD. */
4571 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4572 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4573 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4574 break;
4575
4576 /*
4577 * Set the page attribute table bit. This is alternative page level
4578 * cache control that doesn't much matter when everything is
4579 * virtualized, though it may when passing thru device memory.
4580 */
4581 case CPUMCPUIDFEATURE_PAT:
4582 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4583 if (pLeaf)
4584 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4585
4586 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4587 if ( pLeaf
4588 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4589 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4590
4591 pVM->cpum.s.GuestFeatures.fPat = 1;
4592 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4593 break;
4594
4595 /*
4596 * Set the RDTSCP support bit.
4597 * Assumes the caller knows what it's doing! (host must support this)
4598 */
4599 case CPUMCPUIDFEATURE_RDTSCP:
4600 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4601 if ( !pLeaf
4602 || !pVM->cpum.s.HostFeatures.fRdTscP
4603 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4604 {
4605 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4606 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4607 return;
4608 }
4609
4610 /* Valid for both Intel and AMD. */
4611 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4612 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4613 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4614 break;
4615
4616 /*
4617 * Set the Hypervisor Present bit in the standard feature mask.
4618 */
4619 case CPUMCPUIDFEATURE_HVP:
4620 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4621 if (pLeaf)
4622 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4623 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4624 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4625 break;
4626
4627 /*
4628 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4629 * This currently includes the Present bit and MWAITBREAK bit as well.
4630 */
4631 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4632 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4633 if ( !pLeaf
4634 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4635 {
4636 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4637 return;
4638 }
4639
4640 /* Valid for both Intel and AMD. */
4641 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4642 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4643 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4644 break;
4645
4646 /*
4647 * Set up the speculation control CPUID bits and MSRs. This is quite complicated
4648 * on Intel CPUs, and different on AMDs.
4649 */
4650 case CPUMCPUIDFEATURE_SPEC_CTRL:
4651 if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
4652 {
4653 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4654 if ( !pLeaf
4655 || !(pVM->cpum.s.HostFeatures.fIbpb || pVM->cpum.s.HostFeatures.fIbrs))
4656 {
4657 LogRel(("CPUM: WARNING! Can't turn on Speculation Control when the host doesn't support it!\n"));
4658 return;
4659 }
4660
4661 /* The feature can be enabled. Let's see what we can actually do. */
4662 pVM->cpum.s.GuestFeatures.fSpeculationControl = 1;
4663
4664 /* We will only expose STIBP if IBRS is present to keep things simpler (simple is not an option). */
4665 if (pVM->cpum.s.HostFeatures.fIbrs)
4666 {
4667 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB;
4668 pVM->cpum.s.GuestFeatures.fIbrs = 1;
4669 if (pVM->cpum.s.HostFeatures.fStibp)
4670 {
4671 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_STIBP;
4672 pVM->cpum.s.GuestFeatures.fStibp = 1;
4673 }
4674
4675 /* Make sure we have the speculation control MSR... */
4676 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_SPEC_CTRL);
4677 if (!pMsrRange)
4678 {
4679 static CPUMMSRRANGE const s_SpecCtrl =
4680 {
4681 /*.uFirst =*/ MSR_IA32_SPEC_CTRL, /*.uLast =*/ MSR_IA32_SPEC_CTRL,
4682 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32SpecCtrl, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32SpecCtrl,
4683 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4684 /*.szName = */ "IA32_SPEC_CTRL"
4685 };
4686 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4687 AssertLogRelRC(rc);
4688 }
4689
4690 /* ... and the predictor command MSR. */
4691 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_PRED_CMD);
4692 if (!pMsrRange)
4693 {
4694 static CPUMMSRRANGE const s_SpecCtrl =
4695 {
4696 /*.uFirst =*/ MSR_IA32_PRED_CMD, /*.uLast =*/ MSR_IA32_PRED_CMD,
4697 /*.enmRdFn =*/ kCpumMsrRdFn_WriteOnly, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32PredCmd,
4698 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4699 /*.szName = */ "IA32_PRED_CMD"
4700 };
4701 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4702 AssertLogRelRC(rc);
4703 }
4704
4705 }
4706
4707 if (pVM->cpum.s.HostFeatures.fArchCap) {
4708 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP;
4709
4710 /* Install the architectural capabilities MSR. */
4711 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_ARCH_CAPABILITIES);
4712 if (!pMsrRange)
4713 {
4714 static CPUMMSRRANGE const s_ArchCaps =
4715 {
4716 /*.uFirst =*/ MSR_IA32_ARCH_CAPABILITIES, /*.uLast =*/ MSR_IA32_ARCH_CAPABILITIES,
4717 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ArchCapabilities, /*.enmWrFn =*/ kCpumMsrWrFn_ReadOnly,
4718 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ UINT64_MAX,
4719 /*.szName = */ "IA32_ARCH_CAPABILITIES"
4720 };
4721 int rc = CPUMR3MsrRangesInsert(pVM, &s_ArchCaps);
4722 AssertLogRelRC(rc);
4723 }
4724 }
4725
4726 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Speculation Control.\n"));
4727 }
4728 else if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4729 {
4730 /* The precise details of AMD's implementation are not yet clear. */
4731 }
4732 break;
4733
4734 default:
4735 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4736 break;
4737 }
4738
4739 /** @todo can probably kill this as this API is now init time only... */
4740 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4741 {
4742 PVMCPU pVCpu = &pVM->aCpus[i];
4743 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4744 }
4745}
4746
4747
4748/**
4749 * Queries a CPUID feature bit.
4750 *
4751 * @returns boolean for feature presence
4752 * @param pVM The cross context VM structure.
4753 * @param enmFeature The feature to query.
4754 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4755 */
4756VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4757{
4758 switch (enmFeature)
4759 {
4760 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4761 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4762 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4763 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4764 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4765 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4766 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4767 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4768 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4769 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4770 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4771 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4772 case CPUMCPUIDFEATURE_SPEC_CTRL: return pVM->cpum.s.GuestFeatures.fSpeculationControl;
4773
4774 case CPUMCPUIDFEATURE_INVALID:
4775 case CPUMCPUIDFEATURE_32BIT_HACK:
4776 break;
4777 }
4778 AssertFailed();
4779 return false;
4780}
4781
4782
4783/**
4784 * Clears a CPUID feature bit.
4785 *
4786 * @param pVM The cross context VM structure.
4787 * @param enmFeature The feature to clear.
4788 *
4789 * @deprecated Probably better to default the feature to disabled and only allow
4790 * setting (enabling) it during construction.
4791 */
4792VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4793{
4794 PCPUMCPUIDLEAF pLeaf;
4795 switch (enmFeature)
4796 {
4797 case CPUMCPUIDFEATURE_APIC:
4798 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4799 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4800 if (pLeaf)
4801 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4802
4803 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4804 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4805 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4806
4807 pVM->cpum.s.GuestFeatures.fApic = 0;
4808 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4809 break;
4810
4811 case CPUMCPUIDFEATURE_X2APIC:
4812 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4813 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4814 if (pLeaf)
4815 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4816 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4817 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4818 break;
4819
4820 case CPUMCPUIDFEATURE_PAE:
4821 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4822 if (pLeaf)
4823 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4824
4825 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4826 if ( pLeaf
4827 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4828 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4829
4830 pVM->cpum.s.GuestFeatures.fPae = 0;
4831 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4832 break;
4833
4834 case CPUMCPUIDFEATURE_PAT:
4835 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4836 if (pLeaf)
4837 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4838
4839 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4840 if ( pLeaf
4841 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4842 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4843
4844 pVM->cpum.s.GuestFeatures.fPat = 0;
4845 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4846 break;
4847
4848 case CPUMCPUIDFEATURE_LONG_MODE:
4849 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4850 if (pLeaf)
4851 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4852 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4853 break;
4854
4855 case CPUMCPUIDFEATURE_LAHF:
4856 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4857 if (pLeaf)
4858 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4859 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4860 break;
4861
4862 case CPUMCPUIDFEATURE_RDTSCP:
4863 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4864 if (pLeaf)
4865 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4866 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4867 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4868 break;
4869
4870 case CPUMCPUIDFEATURE_HVP:
4871 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4872 if (pLeaf)
4873 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4874 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4875 break;
4876
4877 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4878 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4879 if (pLeaf)
4880 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4881 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4882 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4883 break;
4884
4885 case CPUMCPUIDFEATURE_SPEC_CTRL:
4886 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4887 if (pLeaf)
4888 /*pVM->cpum.s.aGuestCpuIdPatmStd[7].uEdx =*/ pLeaf->uEdx &= ~(X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB | X86_CPUID_STEXT_FEATURE_EDX_STIBP | X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
4889 pVM->cpum.s.GuestFeatures.fSpeculationControl = 0;
4890 Log(("CPUM: ClearGuestCpuIdFeature: Disabled speculation control!\n"));
4891 break;
4892
4893 default:
4894 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4895 break;
4896 }
4897
4898 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4899 {
4900 PVMCPU pVCpu = &pVM->aCpus[i];
4901 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4902 }
4903}
4904
4905
4906
4907/*
4908 *
4909 *
4910 * Saved state related code.
4911 * Saved state related code.
4912 * Saved state related code.
4913 *
4914 *
4915 */
4916
4917/**
4918 * Called both in pass 0 and the final pass.
4919 *
4920 * @param pVM The cross context VM structure.
4921 * @param pSSM The saved state handle.
4922 */
4923void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4924{
4925 /*
4926 * Save all the CPU ID leaves.
4927 */
4928 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4929 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4930 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4931 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4932
4933 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4934
4935 /*
4936 * Save a good portion of the raw CPU IDs as well as they may come in
4937 * handy when validating features for raw mode.
4938 */
4939 CPUMCPUID aRawStd[16];
4940 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4941 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4942 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4943 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4944
4945 CPUMCPUID aRawExt[32];
4946 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4947 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4948 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4949 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4950}
4951
4952
4953static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4954{
4955 uint32_t cCpuIds;
4956 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4957 if (RT_SUCCESS(rc))
4958 {
4959 if (cCpuIds < 64)
4960 {
4961 for (uint32_t i = 0; i < cCpuIds; i++)
4962 {
4963 CPUMCPUID CpuId;
4964 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4965 if (RT_FAILURE(rc))
4966 break;
4967
4968 CPUMCPUIDLEAF NewLeaf;
4969 NewLeaf.uLeaf = uBase + i;
4970 NewLeaf.uSubLeaf = 0;
4971 NewLeaf.fSubLeafMask = 0;
4972 NewLeaf.uEax = CpuId.uEax;
4973 NewLeaf.uEbx = CpuId.uEbx;
4974 NewLeaf.uEcx = CpuId.uEcx;
4975 NewLeaf.uEdx = CpuId.uEdx;
4976 NewLeaf.fFlags = 0;
4977 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4978 }
4979 }
4980 else
4981 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4982 }
4983 if (RT_FAILURE(rc))
4984 {
4985 RTMemFree(*ppaLeaves);
4986 *ppaLeaves = NULL;
4987 *pcLeaves = 0;
4988 }
4989 return rc;
4990}
4991
4992
4993static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4994{
4995 *ppaLeaves = NULL;
4996 *pcLeaves = 0;
4997
4998 int rc;
4999 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
5000 {
5001 /*
5002 * The new format. Starts by declaring the leave size and count.
5003 */
5004 uint32_t cbLeaf;
5005 SSMR3GetU32(pSSM, &cbLeaf);
5006 uint32_t cLeaves;
5007 rc = SSMR3GetU32(pSSM, &cLeaves);
5008 if (RT_SUCCESS(rc))
5009 {
5010 if (cbLeaf == sizeof(**ppaLeaves))
5011 {
5012 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
5013 {
5014 /*
5015 * Load the leaves one by one.
5016 *
5017 * The uPrev stuff is a kludge for working around a week worth of bad saved
5018 * states during the CPUID revamp in March 2015. We saved too many leaves
5019 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
5020 * garbage entires at the end of the array when restoring. We also had
5021 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
5022 * this kludge doesn't deal correctly with that, but who cares...
5023 */
5024 uint32_t uPrev = 0;
5025 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
5026 {
5027 CPUMCPUIDLEAF Leaf;
5028 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
5029 if (RT_SUCCESS(rc))
5030 {
5031 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
5032 || Leaf.uLeaf >= uPrev)
5033 {
5034 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5035 uPrev = Leaf.uLeaf;
5036 }
5037 else
5038 uPrev = UINT32_MAX;
5039 }
5040 }
5041 }
5042 else
5043 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
5044 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
5045 }
5046 else
5047 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
5048 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
5049 }
5050 }
5051 else
5052 {
5053 /*
5054 * The old format with its three inflexible arrays.
5055 */
5056 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
5057 if (RT_SUCCESS(rc))
5058 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
5059 if (RT_SUCCESS(rc))
5060 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
5061 if (RT_SUCCESS(rc))
5062 {
5063 /*
5064 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
5065 */
5066 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
5067 if ( pLeaf
5068 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
5069 {
5070 CPUMCPUIDLEAF Leaf;
5071 Leaf.uLeaf = 4;
5072 Leaf.fSubLeafMask = UINT32_MAX;
5073 Leaf.uSubLeaf = 0;
5074 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
5075 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
5076 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
5077 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
5078 | UINT32_C(63); /* system coherency line size - 1 */
5079 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
5080 | (UINT32_C(0) << 14) /* threads per cache - 1 */
5081 | (UINT32_C(1) << 5) /* cache level */
5082 | UINT32_C(1); /* cache type (data) */
5083 Leaf.fFlags = 0;
5084 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5085 if (RT_SUCCESS(rc))
5086 {
5087 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
5088 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5089 }
5090 if (RT_SUCCESS(rc))
5091 {
5092 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
5093 Leaf.uEcx = 4095; /* sets - 1 */
5094 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
5095 Leaf.uEbx |= UINT32_C(23) << 22;
5096 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
5097 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
5098 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
5099 Leaf.uEax |= UINT32_C(2) << 5;
5100 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5101 }
5102 }
5103 }
5104 }
5105 return rc;
5106}
5107
5108
5109/**
5110 * Loads the CPU ID leaves saved by pass 0, inner worker.
5111 *
5112 * @returns VBox status code.
5113 * @param pVM The cross context VM structure.
5114 * @param pSSM The saved state handle.
5115 * @param uVersion The format version.
5116 * @param paLeaves Guest CPUID leaves loaded from the state.
5117 * @param cLeaves The number of leaves in @a paLeaves.
5118 */
5119int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
5120{
5121 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5122
5123 /*
5124 * Continue loading the state into stack buffers.
5125 */
5126 CPUMCPUID GuestDefCpuId;
5127 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
5128 AssertRCReturn(rc, rc);
5129
5130 CPUMCPUID aRawStd[16];
5131 uint32_t cRawStd;
5132 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
5133 if (cRawStd > RT_ELEMENTS(aRawStd))
5134 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5135 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
5136 AssertRCReturn(rc, rc);
5137 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
5138 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5139
5140 CPUMCPUID aRawExt[32];
5141 uint32_t cRawExt;
5142 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
5143 if (cRawExt > RT_ELEMENTS(aRawExt))
5144 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5145 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
5146 AssertRCReturn(rc, rc);
5147 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
5148 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5149
5150 /*
5151 * Get the raw CPU IDs for the current host.
5152 */
5153 CPUMCPUID aHostRawStd[16];
5154 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5155 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5156
5157 CPUMCPUID aHostRawExt[32];
5158 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5159 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5160 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5161
5162 /*
5163 * Get the host and guest overrides so we don't reject the state because
5164 * some feature was enabled thru these interfaces.
5165 * Note! We currently only need the feature leaves, so skip rest.
5166 */
5167 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5168 CPUMCPUID aHostOverrideStd[2];
5169 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5170 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5171
5172 CPUMCPUID aHostOverrideExt[2];
5173 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5174 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5175
5176 /*
5177 * This can be skipped.
5178 */
5179 bool fStrictCpuIdChecks;
5180 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5181
5182 /*
5183 * Define a bunch of macros for simplifying the santizing/checking code below.
5184 */
5185 /* Generic expression + failure message. */
5186#define CPUID_CHECK_RET(expr, fmt) \
5187 do { \
5188 if (!(expr)) \
5189 { \
5190 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5191 if (fStrictCpuIdChecks) \
5192 { \
5193 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5194 RTStrFree(pszMsg); \
5195 return rcCpuid; \
5196 } \
5197 LogRel(("CPUM: %s\n", pszMsg)); \
5198 RTStrFree(pszMsg); \
5199 } \
5200 } while (0)
5201#define CPUID_CHECK_WRN(expr, fmt) \
5202 do { \
5203 if (!(expr)) \
5204 LogRel(fmt); \
5205 } while (0)
5206
5207 /* For comparing two values and bitch if they differs. */
5208#define CPUID_CHECK2_RET(what, host, saved) \
5209 do { \
5210 if ((host) != (saved)) \
5211 { \
5212 if (fStrictCpuIdChecks) \
5213 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5214 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5215 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5216 } \
5217 } while (0)
5218#define CPUID_CHECK2_WRN(what, host, saved) \
5219 do { \
5220 if ((host) != (saved)) \
5221 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5222 } while (0)
5223
5224 /* For checking raw cpu features (raw mode). */
5225#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5226 do { \
5227 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5228 { \
5229 if (fStrictCpuIdChecks) \
5230 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5231 N_(#bit " mismatch: host=%d saved=%d"), \
5232 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5233 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5234 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5235 } \
5236 } while (0)
5237#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5238 do { \
5239 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5240 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5241 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5242 } while (0)
5243#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5244
5245 /* For checking guest features. */
5246#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5247 do { \
5248 if ( (aGuestCpuId##set [1].reg & bit) \
5249 && !(aHostRaw##set [1].reg & bit) \
5250 && !(aHostOverride##set [1].reg & bit) \
5251 ) \
5252 { \
5253 if (fStrictCpuIdChecks) \
5254 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5255 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5256 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5257 } \
5258 } while (0)
5259#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5260 do { \
5261 if ( (aGuestCpuId##set [1].reg & bit) \
5262 && !(aHostRaw##set [1].reg & bit) \
5263 && !(aHostOverride##set [1].reg & bit) \
5264 ) \
5265 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5266 } while (0)
5267#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5268 do { \
5269 if ( (aGuestCpuId##set [1].reg & bit) \
5270 && !(aHostRaw##set [1].reg & bit) \
5271 && !(aHostOverride##set [1].reg & bit) \
5272 ) \
5273 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5274 } while (0)
5275#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5276
5277 /* For checking guest features if AMD guest CPU. */
5278#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5279 do { \
5280 if ( (aGuestCpuId##set [1].reg & bit) \
5281 && fGuestAmd \
5282 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5283 && !(aHostOverride##set [1].reg & bit) \
5284 ) \
5285 { \
5286 if (fStrictCpuIdChecks) \
5287 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5288 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5289 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5290 } \
5291 } while (0)
5292#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5293 do { \
5294 if ( (aGuestCpuId##set [1].reg & bit) \
5295 && fGuestAmd \
5296 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5297 && !(aHostOverride##set [1].reg & bit) \
5298 ) \
5299 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5300 } while (0)
5301#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5302 do { \
5303 if ( (aGuestCpuId##set [1].reg & bit) \
5304 && fGuestAmd \
5305 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5306 && !(aHostOverride##set [1].reg & bit) \
5307 ) \
5308 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5309 } while (0)
5310#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5311
5312 /* For checking AMD features which have a corresponding bit in the standard
5313 range. (Intel defines very few bits in the extended feature sets.) */
5314#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5315 do { \
5316 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5317 && !(fHostAmd \
5318 ? aHostRawExt[1].reg & (ExtBit) \
5319 : aHostRawStd[1].reg & (StdBit)) \
5320 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5321 ) \
5322 { \
5323 if (fStrictCpuIdChecks) \
5324 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5325 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5326 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5327 } \
5328 } while (0)
5329#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5330 do { \
5331 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5332 && !(fHostAmd \
5333 ? aHostRawExt[1].reg & (ExtBit) \
5334 : aHostRawStd[1].reg & (StdBit)) \
5335 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5336 ) \
5337 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5338 } while (0)
5339#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5340 do { \
5341 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5342 && !(fHostAmd \
5343 ? aHostRawExt[1].reg & (ExtBit) \
5344 : aHostRawStd[1].reg & (StdBit)) \
5345 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5346 ) \
5347 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5348 } while (0)
5349#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5350
5351 /*
5352 * For raw-mode we'll require that the CPUs are very similar since we don't
5353 * intercept CPUID instructions for user mode applications.
5354 */
5355 if (VM_IS_RAW_MODE_ENABLED(pVM))
5356 {
5357 /* CPUID(0) */
5358 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5359 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5360 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5361 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5362 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5363 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5364 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5365 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5366 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5367
5368 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5369
5370 /* CPUID(1).eax */
5371 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5372 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5373 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5374
5375 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5376 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5377 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5378
5379 /* CPUID(1).ecx */
5380 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5381 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5382 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5383 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5384 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5385 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5386 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5387 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5388 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5389 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5390 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5391 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5392 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5393 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5394 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5395 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5396 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5397 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5398 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5399 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5400 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5401 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5402 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5403 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5404 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5405 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5406 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5407 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5408 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5409 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5410 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5411 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5412
5413 /* CPUID(1).edx */
5414 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5415 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5416 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5417 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5418 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5419 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5420 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5421 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5422 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5423 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5424 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5425 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5426 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5427 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5428 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5429 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5430 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5431 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5432 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5433 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5434 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5435 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5436 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5437 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5438 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5439 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5440 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5441 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5442 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5443 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5444 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5445 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5446
5447 /* CPUID(2) - config, mostly about caches. ignore. */
5448 /* CPUID(3) - processor serial number. ignore. */
5449 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5450 /* CPUID(5) - mwait/monitor config. ignore. */
5451 /* CPUID(6) - power management. ignore. */
5452 /* CPUID(7) - ???. ignore. */
5453 /* CPUID(8) - ???. ignore. */
5454 /* CPUID(9) - DCA. ignore for now. */
5455 /* CPUID(a) - PeMo info. ignore for now. */
5456 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5457
5458 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5459 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5460 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5461 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5462 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5463 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5464 {
5465 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5466 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5467 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5468/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5469 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5470 }
5471
5472 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5473 Note! Intel have/is marking many of the fields here as reserved. We
5474 will verify them as if it's an AMD CPU. */
5475 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5476 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5477 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5478 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5479 {
5480 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5481 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5482 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5483 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5484 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5485 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5486 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5487
5488 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5489 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5490 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5491 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5492 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5493 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5494
5495 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5496 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5497 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5498 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5499
5500 /* CPUID(0x80000001).ecx */
5501 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5502 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5503 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5504 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5505 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5506 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5507 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5508 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5509 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5510 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5511 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5512 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5513 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5514 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5515 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5516 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5517 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5518 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5519 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5520 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5521 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5522 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5523 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5524 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5525 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5526 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5527 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5528 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5529 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5530 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5531 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5532 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5533
5534 /* CPUID(0x80000001).edx */
5535 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5536 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5537 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5538 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5539 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5540 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5541 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5542 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5543 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5544 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5545 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5546 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5547 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5548 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5549 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5550 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5551 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5552 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5553 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5554 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5555 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5556 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5557 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5558 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5559 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5560 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5561 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5562 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5563 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5564 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5565 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5566 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5567
5568 /** @todo verify the rest as well. */
5569 }
5570 }
5571
5572
5573
5574 /*
5575 * Verify that we can support the features already exposed to the guest on
5576 * this host.
5577 *
5578 * Most of the features we're emulating requires intercepting instruction
5579 * and doing it the slow way, so there is no need to warn when they aren't
5580 * present in the host CPU. Thus we use IGN instead of EMU on these.
5581 *
5582 * Trailing comments:
5583 * "EMU" - Possible to emulate, could be lots of work and very slow.
5584 * "EMU?" - Can this be emulated?
5585 */
5586 CPUMCPUID aGuestCpuIdStd[2];
5587 RT_ZERO(aGuestCpuIdStd);
5588 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5589
5590 /* CPUID(1).ecx */
5591 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5592 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5593 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5594 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5595 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5596 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5597 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5598 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5599 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5600 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5601 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5602 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5603 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5604 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5605 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5606 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5607 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5608 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5609 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5610 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5611 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5612 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5613 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5614 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5615 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5616 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5617 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5618 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5619 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5620 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5621 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5622 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5623
5624 /* CPUID(1).edx */
5625 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5626 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5627 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5628 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5629 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5630 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5631 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5632 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5633 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5634 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5635 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5636 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5637 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5638 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5639 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5640 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5641 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5642 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5643 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5644 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5645 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5646 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5647 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5648 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5649 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5650 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5651 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5652 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5653 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5654 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5655 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5656 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5657
5658 /* CPUID(0x80000000). */
5659 CPUMCPUID aGuestCpuIdExt[2];
5660 RT_ZERO(aGuestCpuIdExt);
5661 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5662 {
5663 /** @todo deal with no 0x80000001 on the host. */
5664 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5665 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5666
5667 /* CPUID(0x80000001).ecx */
5668 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5669 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5670 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5671 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5672 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5673 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5674 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5675 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5676 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5677 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5678 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5679 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5680 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5681 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5682 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5683 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5684 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5685 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5686 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5687 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5688 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5689 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5690 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5691 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5692 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5693 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5694 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5695 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5696 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5697 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5698 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5699 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5700
5701 /* CPUID(0x80000001).edx */
5702 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5703 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5704 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5705 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5706 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5707 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5708 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5709 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5710 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5711 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5712 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5713 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5714 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5715 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5716 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5717 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5718 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5719 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5720 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5721 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5722 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5723 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5724 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5725 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5726 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5727 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5728 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5729 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5730 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5731 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5732 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5733 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5734 }
5735
5736 /** @todo check leaf 7 */
5737
5738 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5739 * ECX=0: EAX - Valid bits in XCR0[31:0].
5740 * EBX - Maximum state size as per current XCR0 value.
5741 * ECX - Maximum state size for all supported features.
5742 * EDX - Valid bits in XCR0[63:32].
5743 * ECX=1: EAX - Various X-features.
5744 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5745 * ECX - Valid bits in IA32_XSS[31:0].
5746 * EDX - Valid bits in IA32_XSS[63:32].
5747 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5748 * if the bit invalid all four registers are set to zero.
5749 * EAX - The state size for this feature.
5750 * EBX - The state byte offset of this feature.
5751 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5752 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5753 */
5754 uint64_t fGuestXcr0Mask = 0;
5755 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5756 if ( pCurLeaf
5757 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5758 && ( pCurLeaf->uEax
5759 || pCurLeaf->uEbx
5760 || pCurLeaf->uEcx
5761 || pCurLeaf->uEdx) )
5762 {
5763 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5764 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5765 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5766 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5767 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5768 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5769 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5770 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5771
5772 /* We don't support any additional features yet. */
5773 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5774 if (pCurLeaf && pCurLeaf->uEax)
5775 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5776 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5777 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5778 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5779 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5780 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5781
5782
5783 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5784 {
5785 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5786 if (pCurLeaf)
5787 {
5788 /* If advertised, the state component offset and size must match the one used by host. */
5789 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5790 {
5791 CPUMCPUID RawHost;
5792 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5793 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5794 if ( RawHost.uEbx != pCurLeaf->uEbx
5795 || RawHost.uEax != pCurLeaf->uEax)
5796 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5797 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5798 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5799 }
5800 }
5801 }
5802 }
5803 /* Clear leaf 0xd just in case we're loading an old state... */
5804 else if (pCurLeaf)
5805 {
5806 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5807 {
5808 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5809 if (pCurLeaf)
5810 {
5811 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5812 || ( pCurLeaf->uEax == 0
5813 && pCurLeaf->uEbx == 0
5814 && pCurLeaf->uEcx == 0
5815 && pCurLeaf->uEdx == 0),
5816 ("uVersion=%#x; %#x %#x %#x %#x\n",
5817 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5818 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5819 }
5820 }
5821 }
5822
5823 /* Update the fXStateGuestMask value for the VM. */
5824 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5825 {
5826 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5827 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5828 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5829 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5830 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5831 }
5832
5833#undef CPUID_CHECK_RET
5834#undef CPUID_CHECK_WRN
5835#undef CPUID_CHECK2_RET
5836#undef CPUID_CHECK2_WRN
5837#undef CPUID_RAW_FEATURE_RET
5838#undef CPUID_RAW_FEATURE_WRN
5839#undef CPUID_RAW_FEATURE_IGN
5840#undef CPUID_GST_FEATURE_RET
5841#undef CPUID_GST_FEATURE_WRN
5842#undef CPUID_GST_FEATURE_EMU
5843#undef CPUID_GST_FEATURE_IGN
5844#undef CPUID_GST_FEATURE2_RET
5845#undef CPUID_GST_FEATURE2_WRN
5846#undef CPUID_GST_FEATURE2_EMU
5847#undef CPUID_GST_FEATURE2_IGN
5848#undef CPUID_GST_AMD_FEATURE_RET
5849#undef CPUID_GST_AMD_FEATURE_WRN
5850#undef CPUID_GST_AMD_FEATURE_EMU
5851#undef CPUID_GST_AMD_FEATURE_IGN
5852
5853 /*
5854 * We're good, commit the CPU ID leaves.
5855 */
5856 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5857 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5858 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5859 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5860 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5861 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5862 AssertLogRelRCReturn(rc, rc);
5863
5864 return VINF_SUCCESS;
5865}
5866
5867
5868/**
5869 * Loads the CPU ID leaves saved by pass 0.
5870 *
5871 * @returns VBox status code.
5872 * @param pVM The cross context VM structure.
5873 * @param pSSM The saved state handle.
5874 * @param uVersion The format version.
5875 */
5876int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5877{
5878 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5879
5880 /*
5881 * Load the CPUID leaves array first and call worker to do the rest, just so
5882 * we can free the memory when we need to without ending up in column 1000.
5883 */
5884 PCPUMCPUIDLEAF paLeaves;
5885 uint32_t cLeaves;
5886 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5887 AssertRC(rc);
5888 if (RT_SUCCESS(rc))
5889 {
5890 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5891 RTMemFree(paLeaves);
5892 }
5893 return rc;
5894}
5895
5896
5897
5898/**
5899 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5900 *
5901 * @returns VBox status code.
5902 * @param pVM The cross context VM structure.
5903 * @param pSSM The saved state handle.
5904 * @param uVersion The format version.
5905 */
5906int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5907{
5908 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5909
5910 /*
5911 * Restore the CPUID leaves.
5912 *
5913 * Note that we support restoring less than the current amount of standard
5914 * leaves because we've been allowed more is newer version of VBox.
5915 */
5916 uint32_t cElements;
5917 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5918 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5919 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5920 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5921
5922 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5923 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5924 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5925 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5926
5927 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5928 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5929 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5930 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5931
5932 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5933
5934 /*
5935 * Check that the basic cpuid id information is unchanged.
5936 */
5937 /** @todo we should check the 64 bits capabilities too! */
5938 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5939 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5940 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5941 uint32_t au32CpuIdSaved[8];
5942 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5943 if (RT_SUCCESS(rc))
5944 {
5945 /* Ignore CPU stepping. */
5946 au32CpuId[4] &= 0xfffffff0;
5947 au32CpuIdSaved[4] &= 0xfffffff0;
5948
5949 /* Ignore APIC ID (AMD specs). */
5950 au32CpuId[5] &= ~0xff000000;
5951 au32CpuIdSaved[5] &= ~0xff000000;
5952
5953 /* Ignore the number of Logical CPUs (AMD specs). */
5954 au32CpuId[5] &= ~0x00ff0000;
5955 au32CpuIdSaved[5] &= ~0x00ff0000;
5956
5957 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5958 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5959 | X86_CPUID_FEATURE_ECX_VMX
5960 | X86_CPUID_FEATURE_ECX_SMX
5961 | X86_CPUID_FEATURE_ECX_EST
5962 | X86_CPUID_FEATURE_ECX_TM2
5963 | X86_CPUID_FEATURE_ECX_CNTXID
5964 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5965 | X86_CPUID_FEATURE_ECX_PDCM
5966 | X86_CPUID_FEATURE_ECX_DCA
5967 | X86_CPUID_FEATURE_ECX_X2APIC
5968 );
5969 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5970 | X86_CPUID_FEATURE_ECX_VMX
5971 | X86_CPUID_FEATURE_ECX_SMX
5972 | X86_CPUID_FEATURE_ECX_EST
5973 | X86_CPUID_FEATURE_ECX_TM2
5974 | X86_CPUID_FEATURE_ECX_CNTXID
5975 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5976 | X86_CPUID_FEATURE_ECX_PDCM
5977 | X86_CPUID_FEATURE_ECX_DCA
5978 | X86_CPUID_FEATURE_ECX_X2APIC
5979 );
5980
5981 /* Make sure we don't forget to update the masks when enabling
5982 * features in the future.
5983 */
5984 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5985 ( X86_CPUID_FEATURE_ECX_DTES64
5986 | X86_CPUID_FEATURE_ECX_VMX
5987 | X86_CPUID_FEATURE_ECX_SMX
5988 | X86_CPUID_FEATURE_ECX_EST
5989 | X86_CPUID_FEATURE_ECX_TM2
5990 | X86_CPUID_FEATURE_ECX_CNTXID
5991 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5992 | X86_CPUID_FEATURE_ECX_PDCM
5993 | X86_CPUID_FEATURE_ECX_DCA
5994 | X86_CPUID_FEATURE_ECX_X2APIC
5995 )));
5996 /* do the compare */
5997 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5998 {
5999 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
6000 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
6001 "Saved=%.*Rhxs\n"
6002 "Real =%.*Rhxs\n",
6003 sizeof(au32CpuIdSaved), au32CpuIdSaved,
6004 sizeof(au32CpuId), au32CpuId));
6005 else
6006 {
6007 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
6008 "Saved=%.*Rhxs\n"
6009 "Real =%.*Rhxs\n",
6010 sizeof(au32CpuIdSaved), au32CpuIdSaved,
6011 sizeof(au32CpuId), au32CpuId));
6012 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
6013 }
6014 }
6015 }
6016
6017 return rc;
6018}
6019
6020
6021
6022/*
6023 *
6024 *
6025 * CPUID Info Handler.
6026 * CPUID Info Handler.
6027 * CPUID Info Handler.
6028 *
6029 *
6030 */
6031
6032
6033
6034/**
6035 * Get L1 cache / TLS associativity.
6036 */
6037static const char *getCacheAss(unsigned u, char *pszBuf)
6038{
6039 if (u == 0)
6040 return "res0 ";
6041 if (u == 1)
6042 return "direct";
6043 if (u == 255)
6044 return "fully";
6045 if (u >= 256)
6046 return "???";
6047
6048 RTStrPrintf(pszBuf, 16, "%d way", u);
6049 return pszBuf;
6050}
6051
6052
6053/**
6054 * Get L2 cache associativity.
6055 */
6056const char *getL2CacheAss(unsigned u)
6057{
6058 switch (u)
6059 {
6060 case 0: return "off ";
6061 case 1: return "direct";
6062 case 2: return "2 way ";
6063 case 3: return "res3 ";
6064 case 4: return "4 way ";
6065 case 5: return "res5 ";
6066 case 6: return "8 way ";
6067 case 7: return "res7 ";
6068 case 8: return "16 way";
6069 case 9: return "res9 ";
6070 case 10: return "res10 ";
6071 case 11: return "res11 ";
6072 case 12: return "res12 ";
6073 case 13: return "res13 ";
6074 case 14: return "res14 ";
6075 case 15: return "fully ";
6076 default: return "????";
6077 }
6078}
6079
6080
6081/** CPUID(1).EDX field descriptions. */
6082static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
6083{
6084 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6085 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6086 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6087 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6088 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6089 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
6090 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6091 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6092 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6093 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6094 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
6095 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6096 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6097 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6098 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6099 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6100 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6101 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
6102 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
6103 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
6104 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
6105 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6106 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
6107 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
6108 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
6109 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
6110 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
6111 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
6112 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
6113 DBGFREGSUBFIELD_TERMINATOR()
6114};
6115
6116/** CPUID(1).ECX field descriptions. */
6117static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
6118{
6119 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
6120 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
6121 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
6122 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
6123 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
6124 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
6125 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
6126 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
6127 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
6128 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
6129 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
6130 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
6131 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
6132 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
6133 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
6134 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
6135 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
6136 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
6137 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
6138 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
6139 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
6140 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
6141 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
6142 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
6143 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
6144 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
6145 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
6146 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
6147 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
6148 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6149 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6150 DBGFREGSUBFIELD_TERMINATOR()
6151};
6152
6153/** CPUID(7,0).EBX field descriptions. */
6154static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6155{
6156 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6157 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6158 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6159 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6160 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6161 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6162 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6163 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6164 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6165 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6166 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6167 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6168 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6169 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6170 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6171 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6172 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6173 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6174 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6175 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6176 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6177 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6178 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6179 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6180 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6181 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6182 DBGFREGSUBFIELD_TERMINATOR()
6183};
6184
6185/** CPUID(7,0).ECX field descriptions. */
6186static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6187{
6188 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6189 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6190 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6191 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6192 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6193 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6194 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6195 DBGFREGSUBFIELD_TERMINATOR()
6196};
6197
6198/** CPUID(7,0).EDX field descriptions. */
6199static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6200{
6201 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6202 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6203 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6204 DBGFREGSUBFIELD_TERMINATOR()
6205};
6206
6207
6208/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6209static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6210{
6211 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6212 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6213 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6214 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6215 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6216 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6217 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6218 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6219 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6220 DBGFREGSUBFIELD_TERMINATOR()
6221};
6222
6223/** CPUID(13,1).EAX field descriptions. */
6224static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6225{
6226 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6227 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6228 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6229 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6230 DBGFREGSUBFIELD_TERMINATOR()
6231};
6232
6233
6234/** CPUID(0x80000001,0).EDX field descriptions. */
6235static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6236{
6237 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6238 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6239 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6240 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6241 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6242 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6243 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6244 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6245 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6246 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6247 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6248 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6249 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6250 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6251 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6252 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6253 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6254 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6255 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6256 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6257 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6258 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6259 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6260 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6261 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6262 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6263 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6264 DBGFREGSUBFIELD_TERMINATOR()
6265};
6266
6267/** CPUID(0x80000001,0).ECX field descriptions. */
6268static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6269{
6270 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6271 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6272 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6273 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6274 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6275 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6276 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6277 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6278 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6279 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6280 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6281 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6282 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6283 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6284 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6285 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6286 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6287 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6288 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6289 DBGFREGSUBFIELD_RO("PRFEXTCORE\0" "Performance Counter Extensions support", 23, 1, 0),
6290 DBGFREGSUBFIELD_RO("PRFEXTNB\0" "NB Performance Counter Extensions support", 24, 1, 0),
6291 DBGFREGSUBFIELD_RO("DATABPEXT\0" "Data-access Breakpoint Extension", 26, 1, 0),
6292 DBGFREGSUBFIELD_RO("PERFTSC\0" "Performance Time Stamp Counter", 27, 1, 0),
6293 DBGFREGSUBFIELD_TERMINATOR()
6294};
6295
6296/** CPUID(0x8000000a,0).EDX field descriptions. */
6297static DBGFREGSUBFIELD const g_aExtLeafAEdxSubFields[] =
6298{
6299 DBGFREGSUBFIELD_RO("NP\0" "Nested Paging", 0, 1, 0),
6300 DBGFREGSUBFIELD_RO("LbrVirt\0" "Last Branch Record Virtualization", 1, 1, 0),
6301 DBGFREGSUBFIELD_RO("SVML\0" "SVM Lock", 2, 1, 0),
6302 DBGFREGSUBFIELD_RO("NRIPS\0" "NextRIP Save", 3, 1, 0),
6303 DBGFREGSUBFIELD_RO("TscRateMsr\0" "MSR based TSC rate control", 4, 1, 0),
6304 DBGFREGSUBFIELD_RO("VmcbClean\0" "VMCB clean bits", 5, 1, 0),
6305 DBGFREGSUBFIELD_RO("FlushByASID\0" "Flush by ASID", 6, 1, 0),
6306 DBGFREGSUBFIELD_RO("DecodeAssists\0" "Decode Assists", 7, 1, 0),
6307 DBGFREGSUBFIELD_RO("PauseFilter\0" "Pause intercept filter", 10, 1, 0),
6308 DBGFREGSUBFIELD_RO("PauseFilterThreshold\0" "Pause filter threshold", 12, 1, 0),
6309 DBGFREGSUBFIELD_RO("AVIC\0" "Advanced Virtual Interrupt Controller", 13, 1, 0),
6310 DBGFREGSUBFIELD_RO("VMSAVEVirt\0" "VMSAVE and VMLOAD Virtualization", 15, 1, 0),
6311 DBGFREGSUBFIELD_RO("VGIF\0" "Virtual Global-Interrupt Flag", 16, 1, 0),
6312 DBGFREGSUBFIELD_TERMINATOR()
6313};
6314
6315
6316/** CPUID(0x80000007,0).EDX field descriptions. */
6317static DBGFREGSUBFIELD const g_aExtLeaf7EdxSubFields[] =
6318{
6319 DBGFREGSUBFIELD_RO("TS\0" "Temperature Sensor", 0, 1, 0),
6320 DBGFREGSUBFIELD_RO("FID\0" "Frequency ID control", 1, 1, 0),
6321 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6322 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6323 DBGFREGSUBFIELD_RO("TTP\0" "Thermal Trip", 3, 1, 0),
6324 DBGFREGSUBFIELD_RO("TM\0" "Hardware Thermal Control (HTC)", 4, 1, 0),
6325 DBGFREGSUBFIELD_RO("100MHzSteps\0" "100 MHz Multiplier control", 6, 1, 0),
6326 DBGFREGSUBFIELD_RO("HwPstate\0" "Hardware P-state control", 7, 1, 0),
6327 DBGFREGSUBFIELD_RO("TscInvariant\0" "Invariant Time Stamp Counter", 8, 1, 0),
6328 DBGFREGSUBFIELD_RO("CBP\0" "Core Performance Boost", 9, 1, 0),
6329 DBGFREGSUBFIELD_RO("EffFreqRO\0" "Read-only Effective Frequency Interface", 10, 1, 0),
6330 DBGFREGSUBFIELD_RO("ProcFdbkIf\0" "Processor Feedback Interface", 11, 1, 0),
6331 DBGFREGSUBFIELD_RO("ProcPwrRep\0" "Core power reporting interface support", 12, 1, 0),
6332 DBGFREGSUBFIELD_TERMINATOR()
6333};
6334
6335/** CPUID(0x80000008,0).EBX field descriptions. */
6336static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6337{
6338 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6339 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6340 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6341 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6342 DBGFREGSUBFIELD_TERMINATOR()
6343};
6344
6345
6346static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6347 const char *pszLeadIn, uint32_t cchWidth)
6348{
6349 if (pszLeadIn)
6350 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6351
6352 for (uint32_t iBit = 0; iBit < 32; iBit++)
6353 if (RT_BIT_32(iBit) & uVal)
6354 {
6355 while ( pDesc->pszName != NULL
6356 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6357 pDesc++;
6358 if ( pDesc->pszName != NULL
6359 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6360 {
6361 if (pDesc->cBits == 1)
6362 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6363 else
6364 {
6365 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6366 if (pDesc->cBits < 32)
6367 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6368 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6369 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6370 }
6371 }
6372 else
6373 pHlp->pfnPrintf(pHlp, " %u", iBit);
6374 }
6375 if (pszLeadIn)
6376 pHlp->pfnPrintf(pHlp, "\n");
6377}
6378
6379
6380static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6381 const char *pszLeadIn, uint32_t cchWidth)
6382{
6383 if (pszLeadIn)
6384 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6385
6386 for (uint32_t iBit = 0; iBit < 64; iBit++)
6387 if (RT_BIT_64(iBit) & uVal)
6388 {
6389 while ( pDesc->pszName != NULL
6390 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6391 pDesc++;
6392 if ( pDesc->pszName != NULL
6393 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6394 {
6395 if (pDesc->cBits == 1)
6396 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6397 else
6398 {
6399 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6400 if (pDesc->cBits < 64)
6401 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6402 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6403 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6404 }
6405 }
6406 else
6407 pHlp->pfnPrintf(pHlp, " %u", iBit);
6408 }
6409 if (pszLeadIn)
6410 pHlp->pfnPrintf(pHlp, "\n");
6411}
6412
6413
6414static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6415 const char *pszLeadIn, uint32_t cchWidth)
6416{
6417 if (!uVal)
6418 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6419 else
6420 {
6421 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6422 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6423 pHlp->pfnPrintf(pHlp, " )\n");
6424 }
6425}
6426
6427
6428static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6429 uint32_t cchWidth)
6430{
6431 uint32_t uCombined = uVal1 | uVal2;
6432 for (uint32_t iBit = 0; iBit < 32; iBit++)
6433 if ( (RT_BIT_32(iBit) & uCombined)
6434 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6435 {
6436 while ( pDesc->pszName != NULL
6437 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6438 pDesc++;
6439
6440 if ( pDesc->pszName != NULL
6441 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6442 {
6443 size_t cchMnemonic = strlen(pDesc->pszName);
6444 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6445 size_t cchDesc = strlen(pszDesc);
6446 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6447 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6448 if (pDesc->cBits < 32)
6449 {
6450 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6451 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6452 }
6453
6454 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6455 pDesc->pszName, pszDesc,
6456 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6457 uFieldValue1, uFieldValue2);
6458
6459 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6460 pDesc++;
6461 }
6462 else
6463 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6464 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6465 }
6466}
6467
6468
6469/**
6470 * Produces a detailed summary of standard leaf 0x00000001.
6471 *
6472 * @param pHlp The info helper functions.
6473 * @param pCurLeaf The 0x00000001 leaf.
6474 * @param fVerbose Whether to be very verbose or not.
6475 * @param fIntel Set if intel CPU.
6476 */
6477static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6478{
6479 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6480 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6481 uint32_t uEAX = pCurLeaf->uEax;
6482 uint32_t uEBX = pCurLeaf->uEbx;
6483
6484 pHlp->pfnPrintf(pHlp,
6485 "%36s %2d \tExtended: %d \tEffective: %d\n"
6486 "%36s %2d \tExtended: %d \tEffective: %d\n"
6487 "%36s %d\n"
6488 "%36s %d (%s)\n"
6489 "%36s %#04x\n"
6490 "%36s %d\n"
6491 "%36s %d\n"
6492 "%36s %#04x\n"
6493 ,
6494 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6495 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6496 "Stepping:", ASMGetCpuStepping(uEAX),
6497 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6498 "APIC ID:", (uEBX >> 24) & 0xff,
6499 "Logical CPUs:",(uEBX >> 16) & 0xff,
6500 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6501 "Brand ID:", (uEBX >> 0) & 0xff);
6502 if (fVerbose)
6503 {
6504 CPUMCPUID Host;
6505 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6506 pHlp->pfnPrintf(pHlp, "Features\n");
6507 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6508 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6509 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6510 }
6511 else
6512 {
6513 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6514 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6515 }
6516}
6517
6518
6519/**
6520 * Produces a detailed summary of standard leaf 0x00000007.
6521 *
6522 * @param pHlp The info helper functions.
6523 * @param paLeaves The CPUID leaves array.
6524 * @param cLeaves The number of leaves in the array.
6525 * @param pCurLeaf The first 0x00000007 leaf.
6526 * @param fVerbose Whether to be very verbose or not.
6527 */
6528static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6529 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6530{
6531 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6532 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6533 for (;;)
6534 {
6535 CPUMCPUID Host;
6536 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6537
6538 switch (pCurLeaf->uSubLeaf)
6539 {
6540 case 0:
6541 if (fVerbose)
6542 {
6543 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6544 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6545 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6546 if (pCurLeaf->uEdx || Host.uEdx)
6547 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6548 }
6549 else
6550 {
6551 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6552 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6553 if (pCurLeaf->uEdx)
6554 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6555 }
6556 break;
6557
6558 default:
6559 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6560 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6561 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6562 break;
6563
6564 }
6565
6566 /* advance. */
6567 pCurLeaf++;
6568 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6569 || pCurLeaf->uLeaf != 0x7)
6570 break;
6571 }
6572}
6573
6574
6575/**
6576 * Produces a detailed summary of standard leaf 0x0000000d.
6577 *
6578 * @param pHlp The info helper functions.
6579 * @param paLeaves The CPUID leaves array.
6580 * @param cLeaves The number of leaves in the array.
6581 * @param pCurLeaf The first 0x00000007 leaf.
6582 * @param fVerbose Whether to be very verbose or not.
6583 */
6584static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6585 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6586{
6587 RT_NOREF_PV(fVerbose);
6588 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6589 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6590 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6591 {
6592 CPUMCPUID Host;
6593 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6594
6595 switch (uSubLeaf)
6596 {
6597 case 0:
6598 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6599 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6600 pCurLeaf->uEbx, pCurLeaf->uEcx);
6601 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6602
6603 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6604 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6605 "Valid XCR0 bits, guest:", 42);
6606 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6607 "Valid XCR0 bits, host:", 42);
6608 break;
6609
6610 case 1:
6611 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6612 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6613 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6614
6615 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6616 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6617 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6618
6619 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6620 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6621 " Valid IA32_XSS bits, guest:", 42);
6622 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6623 " Valid IA32_XSS bits, host:", 42);
6624 break;
6625
6626 default:
6627 if ( pCurLeaf
6628 && pCurLeaf->uSubLeaf == uSubLeaf
6629 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6630 {
6631 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6632 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6633 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6634 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6635 if (pCurLeaf->uEdx)
6636 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6637 pHlp->pfnPrintf(pHlp, " --");
6638 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6639 pHlp->pfnPrintf(pHlp, "\n");
6640 }
6641 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6642 {
6643 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6644 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6645 if (Host.uEcx & ~RT_BIT_32(0))
6646 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6647 if (Host.uEdx)
6648 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6649 pHlp->pfnPrintf(pHlp, " --");
6650 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6651 pHlp->pfnPrintf(pHlp, "\n");
6652 }
6653 break;
6654
6655 }
6656
6657 /* advance. */
6658 if (pCurLeaf)
6659 {
6660 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6661 && pCurLeaf->uSubLeaf <= uSubLeaf
6662 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6663 pCurLeaf++;
6664 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6665 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6666 pCurLeaf = NULL;
6667 }
6668 }
6669}
6670
6671
6672static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6673 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6674{
6675 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6676 && pCurLeaf->uLeaf <= uUpToLeaf)
6677 {
6678 pHlp->pfnPrintf(pHlp,
6679 " %s\n"
6680 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6681 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6682 && pCurLeaf->uLeaf <= uUpToLeaf)
6683 {
6684 CPUMCPUID Host;
6685 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6686 pHlp->pfnPrintf(pHlp,
6687 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6688 "Hst: %08x %08x %08x %08x\n",
6689 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6690 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6691 pCurLeaf++;
6692 }
6693 }
6694
6695 return pCurLeaf;
6696}
6697
6698
6699/**
6700 * Display the guest CpuId leaves.
6701 *
6702 * @param pVM The cross context VM structure.
6703 * @param pHlp The info helper functions.
6704 * @param pszArgs "terse", "default" or "verbose".
6705 */
6706DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6707{
6708 /*
6709 * Parse the argument.
6710 */
6711 unsigned iVerbosity = 1;
6712 if (pszArgs)
6713 {
6714 pszArgs = RTStrStripL(pszArgs);
6715 if (!strcmp(pszArgs, "terse"))
6716 iVerbosity--;
6717 else if (!strcmp(pszArgs, "verbose"))
6718 iVerbosity++;
6719 }
6720
6721 uint32_t uLeaf;
6722 CPUMCPUID Host;
6723 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6724 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6725 PCCPUMCPUIDLEAF pCurLeaf;
6726 PCCPUMCPUIDLEAF pNextLeaf;
6727 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6728 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6729 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6730
6731 /*
6732 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6733 */
6734 uint32_t cHstMax = ASMCpuId_EAX(0);
6735 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6736 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6737 pHlp->pfnPrintf(pHlp,
6738 " Raw Standard CPUID Leaves\n"
6739 " Leaf/sub-leaf eax ebx ecx edx\n");
6740 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6741 {
6742 uint32_t cMaxSubLeaves = 1;
6743 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6744 cMaxSubLeaves = 16;
6745 else if (uLeaf == 0xd)
6746 cMaxSubLeaves = 128;
6747
6748 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6749 {
6750 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6751 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6752 && pCurLeaf->uLeaf == uLeaf
6753 && pCurLeaf->uSubLeaf == uSubLeaf)
6754 {
6755 pHlp->pfnPrintf(pHlp,
6756 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6757 "Hst: %08x %08x %08x %08x\n",
6758 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6759 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6760 pCurLeaf++;
6761 }
6762 else if ( uLeaf != 0xd
6763 || uSubLeaf <= 1
6764 || Host.uEbx != 0 )
6765 pHlp->pfnPrintf(pHlp,
6766 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6767 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6768
6769 /* Done? */
6770 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6771 || pCurLeaf->uLeaf != uLeaf)
6772 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6773 || (uLeaf == 0x7 && Host.uEax == 0)
6774 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6775 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6776 || (uLeaf == 0xd && uSubLeaf >= 128)
6777 )
6778 )
6779 break;
6780 }
6781 }
6782 pNextLeaf = pCurLeaf;
6783
6784 /*
6785 * If verbose, decode it.
6786 */
6787 if (iVerbosity && paLeaves[0].uLeaf == 0)
6788 pHlp->pfnPrintf(pHlp,
6789 "%36s %.04s%.04s%.04s\n"
6790 "%36s 0x00000000-%#010x\n"
6791 ,
6792 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6793 "Supports:", paLeaves[0].uEax);
6794
6795 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6796 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6797
6798 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6799 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6800
6801 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6802 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6803
6804 pCurLeaf = pNextLeaf;
6805
6806 /*
6807 * Hypervisor leaves.
6808 *
6809 * Unlike most of the other leaves reported, the guest hypervisor leaves
6810 * aren't a subset of the host CPUID bits.
6811 */
6812 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6813
6814 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6815 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6816 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6817 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6818 cMax = RT_MAX(cHstMax, cGstMax);
6819 if (cMax >= UINT32_C(0x40000000))
6820 {
6821 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6822
6823 /** @todo dump these in more detail. */
6824
6825 pCurLeaf = pNextLeaf;
6826 }
6827
6828
6829 /*
6830 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6831 * Implemented after AMD specs.
6832 */
6833 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6834
6835 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6836 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6837 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6838 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6839 cMax = RT_MAX(cHstMax, cGstMax);
6840 if (cMax >= UINT32_C(0x80000000))
6841 {
6842
6843 pHlp->pfnPrintf(pHlp,
6844 " Raw Extended CPUID Leaves\n"
6845 " Leaf/sub-leaf eax ebx ecx edx\n");
6846 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6847 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6848 {
6849 uint32_t cMaxSubLeaves = 1;
6850 if (uLeaf == UINT32_C(0x8000001d))
6851 cMaxSubLeaves = 16;
6852
6853 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6854 {
6855 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6856 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6857 && pCurLeaf->uLeaf == uLeaf
6858 && pCurLeaf->uSubLeaf == uSubLeaf)
6859 {
6860 pHlp->pfnPrintf(pHlp,
6861 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6862 "Hst: %08x %08x %08x %08x\n",
6863 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6864 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6865 pCurLeaf++;
6866 }
6867 else if ( uLeaf != 0xd
6868 || uSubLeaf <= 1
6869 || Host.uEbx != 0 )
6870 pHlp->pfnPrintf(pHlp,
6871 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6872 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6873
6874 /* Done? */
6875 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6876 || pCurLeaf->uLeaf != uLeaf)
6877 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6878 break;
6879 }
6880 }
6881 pNextLeaf = pCurLeaf;
6882
6883 /*
6884 * Understandable output
6885 */
6886 if (iVerbosity)
6887 pHlp->pfnPrintf(pHlp,
6888 "Ext Name: %.4s%.4s%.4s\n"
6889 "Ext Supports: 0x80000000-%#010x\n",
6890 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6891
6892 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6893 if (iVerbosity && pCurLeaf)
6894 {
6895 uint32_t uEAX = pCurLeaf->uEax;
6896 pHlp->pfnPrintf(pHlp,
6897 "Family: %d \tExtended: %d \tEffective: %d\n"
6898 "Model: %d \tExtended: %d \tEffective: %d\n"
6899 "Stepping: %d\n"
6900 "Brand ID: %#05x\n",
6901 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6902 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6903 ASMGetCpuStepping(uEAX),
6904 pCurLeaf->uEbx & 0xfff);
6905
6906 if (iVerbosity == 1)
6907 {
6908 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6909 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6910 }
6911 else
6912 {
6913 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6914 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6915 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6916 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6917 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6918 if (Host.uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
6919 {
6920 pHlp->pfnPrintf(pHlp, "SVM Feature Identification (leaf A):\n");
6921 ASMCpuIdExSlow(0x8000000a, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6922 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x8000000a), 0);
6923 uint32_t const uGstEdx = pCurLeaf ? pCurLeaf->uEdx : 0;
6924 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, uGstEdx, Host.uEdx, g_aExtLeafAEdxSubFields, 56);
6925 }
6926 }
6927 }
6928
6929 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6930 {
6931 char szString[4*4*3+1] = {0};
6932 uint32_t *pu32 = (uint32_t *)szString;
6933 *pu32++ = pCurLeaf->uEax;
6934 *pu32++ = pCurLeaf->uEbx;
6935 *pu32++ = pCurLeaf->uEcx;
6936 *pu32++ = pCurLeaf->uEdx;
6937 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6938 if (pCurLeaf)
6939 {
6940 *pu32++ = pCurLeaf->uEax;
6941 *pu32++ = pCurLeaf->uEbx;
6942 *pu32++ = pCurLeaf->uEcx;
6943 *pu32++ = pCurLeaf->uEdx;
6944 }
6945 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6946 if (pCurLeaf)
6947 {
6948 *pu32++ = pCurLeaf->uEax;
6949 *pu32++ = pCurLeaf->uEbx;
6950 *pu32++ = pCurLeaf->uEcx;
6951 *pu32++ = pCurLeaf->uEdx;
6952 }
6953 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6954 }
6955
6956 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6957 {
6958 uint32_t uEAX = pCurLeaf->uEax;
6959 uint32_t uEBX = pCurLeaf->uEbx;
6960 uint32_t uECX = pCurLeaf->uEcx;
6961 uint32_t uEDX = pCurLeaf->uEdx;
6962 char sz1[32];
6963 char sz2[32];
6964
6965 pHlp->pfnPrintf(pHlp,
6966 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6967 "TLB 2/4M Data: %s %3d entries\n",
6968 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6969 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6970 pHlp->pfnPrintf(pHlp,
6971 "TLB 4K Instr/Uni: %s %3d entries\n"
6972 "TLB 4K Data: %s %3d entries\n",
6973 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6974 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6975 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6976 "L1 Instr Cache Lines Per Tag: %d\n"
6977 "L1 Instr Cache Associativity: %s\n"
6978 "L1 Instr Cache Size: %d KB\n",
6979 (uEDX >> 0) & 0xff,
6980 (uEDX >> 8) & 0xff,
6981 getCacheAss((uEDX >> 16) & 0xff, sz1),
6982 (uEDX >> 24) & 0xff);
6983 pHlp->pfnPrintf(pHlp,
6984 "L1 Data Cache Line Size: %d bytes\n"
6985 "L1 Data Cache Lines Per Tag: %d\n"
6986 "L1 Data Cache Associativity: %s\n"
6987 "L1 Data Cache Size: %d KB\n",
6988 (uECX >> 0) & 0xff,
6989 (uECX >> 8) & 0xff,
6990 getCacheAss((uECX >> 16) & 0xff, sz1),
6991 (uECX >> 24) & 0xff);
6992 }
6993
6994 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6995 {
6996 uint32_t uEAX = pCurLeaf->uEax;
6997 uint32_t uEBX = pCurLeaf->uEbx;
6998 uint32_t uEDX = pCurLeaf->uEdx;
6999
7000 pHlp->pfnPrintf(pHlp,
7001 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
7002 "L2 TLB 2/4M Data: %s %4d entries\n",
7003 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
7004 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
7005 pHlp->pfnPrintf(pHlp,
7006 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
7007 "L2 TLB 4K Data: %s %4d entries\n",
7008 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
7009 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
7010 pHlp->pfnPrintf(pHlp,
7011 "L2 Cache Line Size: %d bytes\n"
7012 "L2 Cache Lines Per Tag: %d\n"
7013 "L2 Cache Associativity: %s\n"
7014 "L2 Cache Size: %d KB\n",
7015 (uEDX >> 0) & 0xff,
7016 (uEDX >> 8) & 0xf,
7017 getL2CacheAss((uEDX >> 12) & 0xf),
7018 (uEDX >> 16) & 0xffff);
7019 }
7020
7021 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
7022 {
7023 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7024 if (pCurLeaf->uEdx || (Host.uEdx && iVerbosity))
7025 {
7026 if (iVerbosity < 1)
7027 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf7EdxSubFields, "APM Features EDX:", 34);
7028 else
7029 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf7EdxSubFields, 56);
7030 }
7031 }
7032
7033 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
7034 if (pCurLeaf != NULL)
7035 {
7036 ASMCpuIdExSlow(UINT32_C(0x80000008), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7037 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
7038 {
7039 if (iVerbosity < 1)
7040 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
7041 else
7042 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
7043 }
7044
7045 if (iVerbosity)
7046 {
7047 uint32_t uEAX = pCurLeaf->uEax;
7048 uint32_t uECX = pCurLeaf->uEcx;
7049
7050 pHlp->pfnPrintf(pHlp,
7051 "Physical Address Width: %d bits\n"
7052 "Virtual Address Width: %d bits\n"
7053 "Guest Physical Address Width: %d bits\n",
7054 (uEAX >> 0) & 0xff,
7055 (uEAX >> 8) & 0xff,
7056 (uEAX >> 16) & 0xff);
7057 pHlp->pfnPrintf(pHlp,
7058 "Physical Core Count: %d\n",
7059 ((uECX >> 0) & 0xff) + 1);
7060 }
7061 }
7062
7063 pCurLeaf = pNextLeaf;
7064 }
7065
7066
7067
7068 /*
7069 * Centaur.
7070 */
7071 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
7072
7073 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7074 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
7075 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
7076 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
7077 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
7078 cMax = RT_MAX(cHstMax, cGstMax);
7079 if (cMax >= UINT32_C(0xc0000000))
7080 {
7081 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
7082
7083 /*
7084 * Understandable output
7085 */
7086 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
7087 pHlp->pfnPrintf(pHlp,
7088 "Centaur Supports: 0xc0000000-%#010x\n",
7089 pCurLeaf->uEax);
7090
7091 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
7092 {
7093 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7094 uint32_t uEdxGst = pCurLeaf->uEdx;
7095 uint32_t uEdxHst = Host.uEdx;
7096
7097 if (iVerbosity == 1)
7098 {
7099 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
7100 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
7101 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
7102 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
7103 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
7104 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
7105 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
7106 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
7107 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
7108 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7109 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
7110 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
7111 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
7112 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
7113 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
7114 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
7115 for (unsigned iBit = 14; iBit < 32; iBit++)
7116 if (uEdxGst & RT_BIT(iBit))
7117 pHlp->pfnPrintf(pHlp, " %d", iBit);
7118 pHlp->pfnPrintf(pHlp, "\n");
7119 }
7120 else
7121 {
7122 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
7123 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
7124 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
7125 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
7126 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
7127 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
7128 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
7129 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
7130 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
7131 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7132 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
7133 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
7134 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
7135 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
7136 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
7137 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
7138 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
7139 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
7140 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
7141 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
7142 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
7143 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
7144 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
7145 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
7146 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
7147 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
7148 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
7149 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
7150 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
7151 for (unsigned iBit = 27; iBit < 32; iBit++)
7152 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
7153 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
7154 pHlp->pfnPrintf(pHlp, "\n");
7155 }
7156 }
7157
7158 pCurLeaf = pNextLeaf;
7159 }
7160
7161 /*
7162 * The remainder.
7163 */
7164 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
7165}
7166
7167
7168
7169
7170
7171/*
7172 *
7173 *
7174 * PATM interfaces.
7175 * PATM interfaces.
7176 * PATM interfaces.
7177 *
7178 *
7179 */
7180
7181
7182# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
7183/** @name Patchmanager CPUID legacy table APIs
7184 * @{
7185 */
7186
7187/**
7188 * Gets a pointer to the default CPUID leaf.
7189 *
7190 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
7191 * @param pVM The cross context VM structure.
7192 * @remark Intended for PATM only.
7193 */
7194VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
7195{
7196 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
7197}
7198
7199
7200/**
7201 * Gets a number of standard CPUID leaves (PATM only).
7202 *
7203 * @returns Number of leaves.
7204 * @param pVM The cross context VM structure.
7205 * @remark Intended for PATM - legacy, don't use in new code.
7206 */
7207VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
7208{
7209 RT_NOREF_PV(pVM);
7210 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
7211}
7212
7213
7214/**
7215 * Gets a number of extended CPUID leaves (PATM only).
7216 *
7217 * @returns Number of leaves.
7218 * @param pVM The cross context VM structure.
7219 * @remark Intended for PATM - legacy, don't use in new code.
7220 */
7221VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
7222{
7223 RT_NOREF_PV(pVM);
7224 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
7225}
7226
7227
7228/**
7229 * Gets a number of centaur CPUID leaves.
7230 *
7231 * @returns Number of leaves.
7232 * @param pVM The cross context VM structure.
7233 * @remark Intended for PATM - legacy, don't use in new code.
7234 */
7235VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
7236{
7237 RT_NOREF_PV(pVM);
7238 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
7239}
7240
7241
7242/**
7243 * Gets a pointer to the array of standard CPUID leaves.
7244 *
7245 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
7246 *
7247 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
7248 * @param pVM The cross context VM structure.
7249 * @remark Intended for PATM - legacy, don't use in new code.
7250 */
7251VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
7252{
7253 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
7254}
7255
7256
7257/**
7258 * Gets a pointer to the array of extended CPUID leaves.
7259 *
7260 * CPUMGetGuestCpuIdExtMax() give the size of the array.
7261 *
7262 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
7263 * @param pVM The cross context VM structure.
7264 * @remark Intended for PATM - legacy, don't use in new code.
7265 */
7266VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
7267{
7268 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
7269}
7270
7271
7272/**
7273 * Gets a pointer to the array of centaur CPUID leaves.
7274 *
7275 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
7276 *
7277 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7278 * @param pVM The cross context VM structure.
7279 * @remark Intended for PATM - legacy, don't use in new code.
7280 */
7281VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7282{
7283 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7284}
7285
7286/** @} */
7287# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7288
7289#endif /* VBOX_IN_VMM */
7290
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