VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 73269

Last change on this file since 73269 was 73235, checked in by vboxsync, 6 years ago

VMM/CPUM: Nested VMX: bugref:9180 Disable nested hw.virt for NEM.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 337.3 KB
Line 
1/* $Id: CPUMR3CpuId.cpp 73235 2018-07-19 10:52:25Z 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 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1708 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1709 pFeatures->cMaxPhysAddrWidth = 36;
1710 else
1711 pFeatures->cMaxPhysAddrWidth = 32;
1712
1713 /* Standard features. */
1714 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1715 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1716 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1717 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1718 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1719 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1720 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1721 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1722 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1723 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1724 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1725 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1726 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1727 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1728 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1729 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1730 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1731 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1732 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1733 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1734 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1735 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1736 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1737 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1738 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1739 pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX);
1740
1741 /* Structured extended features. */
1742 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1743 if (pSxfLeaf0)
1744 {
1745 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1746 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1747 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1748 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1749 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1750
1751 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1752 pFeatures->fIbrs = pFeatures->fIbpb;
1753 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1754#if 0 // Disabled until IA32_ARCH_CAPABILITIES support can be tested
1755 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1756#endif
1757 }
1758
1759 /* MWAIT/MONITOR leaf. */
1760 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1761 if (pMWaitLeaf)
1762 {
1763 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1764 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1765 }
1766
1767 /* Extended features. */
1768 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1769 if (pExtLeaf)
1770 {
1771 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1772 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1773 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1774 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1775 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1776 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1777 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1778 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1779 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1780 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1781 }
1782
1783 if ( pExtLeaf
1784 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1785 {
1786 /* AMD features. */
1787 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1788 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1789 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1790 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1791 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1792 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1793 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1794 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1795 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1796 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1797 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1798 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1799 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1800 if (pFeatures->fSvm)
1801 {
1802 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1803 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1804 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1805 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1806 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1807 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1808 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1809 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1810 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1811 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1812 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1813 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1814 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1815 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1816 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1817 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1818 }
1819 }
1820
1821 /*
1822 * Quirks.
1823 */
1824 pFeatures->fLeakyFxSR = pExtLeaf
1825 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1826 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1827 && pFeatures->uFamily >= 6 /* K7 and up */;
1828
1829 /*
1830 * Max extended (/FPU) state.
1831 */
1832 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1833 if (pFeatures->fXSaveRstor)
1834 {
1835 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1836 if (pXStateLeaf0)
1837 {
1838 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1839 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1840 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1841 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1842 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1843 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1844 {
1845 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1846
1847 /* (paranoia:) */
1848 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1849 if ( pXStateLeaf1
1850 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1851 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1852 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1853 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1854 }
1855 else
1856 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1857 pFeatures->fXSaveRstor = 0);
1858 }
1859 else
1860 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1861 pFeatures->fXSaveRstor = 0);
1862 }
1863 }
1864 else
1865 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1866 return VINF_SUCCESS;
1867}
1868
1869
1870/*
1871 *
1872 * Init related code.
1873 * Init related code.
1874 * Init related code.
1875 *
1876 *
1877 */
1878#ifdef VBOX_IN_VMM
1879
1880
1881/**
1882 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1883 *
1884 * This ignores the fSubLeafMask.
1885 *
1886 * @returns Pointer to the matching leaf, or NULL if not found.
1887 * @param paLeaves The CPUID leaves to search. This is sorted.
1888 * @param cLeaves The number of leaves in the array.
1889 * @param uLeaf The leaf to locate.
1890 * @param uSubLeaf The subleaf to locate.
1891 */
1892static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1893{
1894 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1895 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1896 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1897 if (iEnd)
1898 {
1899 uint32_t iBegin = 0;
1900 for (;;)
1901 {
1902 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1903 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1904 if (uNeedle < uCur)
1905 {
1906 if (i > iBegin)
1907 iEnd = i;
1908 else
1909 break;
1910 }
1911 else if (uNeedle > uCur)
1912 {
1913 if (i + 1 < iEnd)
1914 iBegin = i + 1;
1915 else
1916 break;
1917 }
1918 else
1919 return &paLeaves[i];
1920 }
1921 }
1922 return NULL;
1923}
1924
1925
1926/**
1927 * Loads MSR range overrides.
1928 *
1929 * This must be called before the MSR ranges are moved from the normal heap to
1930 * the hyper heap!
1931 *
1932 * @returns VBox status code (VMSetError called).
1933 * @param pVM The cross context VM structure.
1934 * @param pMsrNode The CFGM node with the MSR overrides.
1935 */
1936static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1937{
1938 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1939 {
1940 /*
1941 * Assemble a valid MSR range.
1942 */
1943 CPUMMSRRANGE MsrRange;
1944 MsrRange.offCpumCpu = 0;
1945 MsrRange.fReserved = 0;
1946
1947 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1948 if (RT_FAILURE(rc))
1949 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1950
1951 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1952 if (RT_FAILURE(rc))
1953 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1954 MsrRange.szName, rc);
1955
1956 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1957 if (RT_FAILURE(rc))
1958 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1959 MsrRange.szName, rc);
1960
1961 char szType[32];
1962 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1963 if (RT_FAILURE(rc))
1964 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1965 MsrRange.szName, rc);
1966 if (!RTStrICmp(szType, "FixedValue"))
1967 {
1968 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1969 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1970
1971 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1972 if (RT_FAILURE(rc))
1973 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1974 MsrRange.szName, rc);
1975
1976 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1977 if (RT_FAILURE(rc))
1978 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1979 MsrRange.szName, rc);
1980
1981 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1982 if (RT_FAILURE(rc))
1983 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1984 MsrRange.szName, rc);
1985 }
1986 else
1987 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1988 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1989
1990 /*
1991 * Insert the range into the table (replaces/splits/shrinks existing
1992 * MSR ranges).
1993 */
1994 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1995 &MsrRange);
1996 if (RT_FAILURE(rc))
1997 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1998 }
1999
2000 return VINF_SUCCESS;
2001}
2002
2003
2004/**
2005 * Loads CPUID leaf overrides.
2006 *
2007 * This must be called before the CPUID leaves are moved from the normal
2008 * heap to the hyper heap!
2009 *
2010 * @returns VBox status code (VMSetError called).
2011 * @param pVM The cross context VM structure.
2012 * @param pParentNode The CFGM node with the CPUID leaves.
2013 * @param pszLabel How to label the overrides we're loading.
2014 */
2015static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2016{
2017 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2018 {
2019 /*
2020 * Get the leaf and subleaf numbers.
2021 */
2022 char szName[128];
2023 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2024 if (RT_FAILURE(rc))
2025 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2026
2027 /* The leaf number is either specified directly or thru the node name. */
2028 uint32_t uLeaf;
2029 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2030 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2031 {
2032 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2033 if (rc != VINF_SUCCESS)
2034 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2035 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2036 }
2037 else if (RT_FAILURE(rc))
2038 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2039 pszLabel, szName, rc);
2040
2041 uint32_t uSubLeaf;
2042 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2043 if (RT_FAILURE(rc))
2044 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2045 pszLabel, szName, rc);
2046
2047 uint32_t fSubLeafMask;
2048 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2049 if (RT_FAILURE(rc))
2050 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2051 pszLabel, szName, rc);
2052
2053 /*
2054 * Look up the specified leaf, since the output register values
2055 * defaults to any existing values. This allows overriding a single
2056 * register, without needing to know the other values.
2057 */
2058 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2059 CPUMCPUIDLEAF Leaf;
2060 if (pLeaf)
2061 Leaf = *pLeaf;
2062 else
2063 RT_ZERO(Leaf);
2064 Leaf.uLeaf = uLeaf;
2065 Leaf.uSubLeaf = uSubLeaf;
2066 Leaf.fSubLeafMask = fSubLeafMask;
2067
2068 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2069 if (RT_FAILURE(rc))
2070 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2071 pszLabel, szName, rc);
2072 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2073 if (RT_FAILURE(rc))
2074 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2075 pszLabel, szName, rc);
2076 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2077 if (RT_FAILURE(rc))
2078 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2079 pszLabel, szName, rc);
2080 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2081 if (RT_FAILURE(rc))
2082 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2083 pszLabel, szName, rc);
2084
2085 /*
2086 * Insert the leaf into the table (replaces existing ones).
2087 */
2088 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2089 &Leaf);
2090 if (RT_FAILURE(rc))
2091 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2092 }
2093
2094 return VINF_SUCCESS;
2095}
2096
2097
2098
2099/**
2100 * Fetches overrides for a CPUID leaf.
2101 *
2102 * @returns VBox status code.
2103 * @param pLeaf The leaf to load the overrides into.
2104 * @param pCfgNode The CFGM node containing the overrides
2105 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2106 * @param iLeaf The CPUID leaf number.
2107 */
2108static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2109{
2110 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2111 if (pLeafNode)
2112 {
2113 uint32_t u32;
2114 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2115 if (RT_SUCCESS(rc))
2116 pLeaf->uEax = u32;
2117 else
2118 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2119
2120 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2121 if (RT_SUCCESS(rc))
2122 pLeaf->uEbx = u32;
2123 else
2124 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2125
2126 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2127 if (RT_SUCCESS(rc))
2128 pLeaf->uEcx = u32;
2129 else
2130 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2131
2132 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2133 if (RT_SUCCESS(rc))
2134 pLeaf->uEdx = u32;
2135 else
2136 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2137
2138 }
2139 return VINF_SUCCESS;
2140}
2141
2142
2143/**
2144 * Load the overrides for a set of CPUID leaves.
2145 *
2146 * @returns VBox status code.
2147 * @param paLeaves The leaf array.
2148 * @param cLeaves The number of leaves.
2149 * @param uStart The start leaf number.
2150 * @param pCfgNode The CFGM node containing the overrides
2151 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2152 */
2153static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2154{
2155 for (uint32_t i = 0; i < cLeaves; i++)
2156 {
2157 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2158 if (RT_FAILURE(rc))
2159 return rc;
2160 }
2161
2162 return VINF_SUCCESS;
2163}
2164
2165
2166/**
2167 * Installs the CPUID leaves and explods the data into structures like
2168 * GuestFeatures and CPUMCTX::aoffXState.
2169 *
2170 * @returns VBox status code.
2171 * @param pVM The cross context VM structure.
2172 * @param pCpum The CPUM part of @a VM.
2173 * @param paLeaves The leaves. These will be copied (but not freed).
2174 * @param cLeaves The number of leaves.
2175 */
2176static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2177{
2178 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2179
2180 /*
2181 * Install the CPUID information.
2182 */
2183 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2184 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2185
2186 AssertLogRelRCReturn(rc, rc);
2187 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2188 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2189 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2190 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2191 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2192
2193 /*
2194 * Update the default CPUID leaf if necessary.
2195 */
2196 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2197 {
2198 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2199 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2200 {
2201 /* We don't use CPUID(0).eax here because of the NT hack that only
2202 changes that value without actually removing any leaves. */
2203 uint32_t i = 0;
2204 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2205 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2206 {
2207 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2208 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2209 i++;
2210 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2211 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2212 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2213 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2214 }
2215 break;
2216 }
2217 default:
2218 break;
2219 }
2220
2221 /*
2222 * Explode the guest CPU features.
2223 */
2224 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2225 AssertLogRelRCReturn(rc, rc);
2226
2227 /*
2228 * Adjust the scalable bus frequency according to the CPUID information
2229 * we're now using.
2230 */
2231 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2232 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2233 ? UINT64_C(100000000) /* 100MHz */
2234 : UINT64_C(133333333); /* 133MHz */
2235
2236 /*
2237 * Populate the legacy arrays. Currently used for everything, later only
2238 * for patch manager.
2239 */
2240 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2241 {
2242 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2243 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2244 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2245 };
2246 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2247 {
2248 uint32_t cLeft = aOldRanges[i].cCpuIds;
2249 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2250 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2251 while (cLeft-- > 0)
2252 {
2253 uLeaf--;
2254 pLegacyLeaf--;
2255
2256 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2257 if (pLeaf)
2258 {
2259 pLegacyLeaf->uEax = pLeaf->uEax;
2260 pLegacyLeaf->uEbx = pLeaf->uEbx;
2261 pLegacyLeaf->uEcx = pLeaf->uEcx;
2262 pLegacyLeaf->uEdx = pLeaf->uEdx;
2263 }
2264 else
2265 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2266 }
2267 }
2268
2269 /*
2270 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2271 */
2272 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2273 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2274 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2275 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2276 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2277 {
2278 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2279 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2280 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2281 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2282 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2283 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2284 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2285 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2286 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2287 pCpum->GuestFeatures.cbMaxExtendedState),
2288 VERR_CPUM_IPE_1);
2289 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2290 }
2291 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2292
2293 /* Copy the CPU #0 data to the other CPUs. */
2294 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2295 {
2296 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2297 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2298 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2299 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2300 }
2301
2302 return VINF_SUCCESS;
2303}
2304
2305
2306/** @name Instruction Set Extension Options
2307 * @{ */
2308/** Configuration option type (extended boolean, really). */
2309typedef uint8_t CPUMISAEXTCFG;
2310/** Always disable the extension. */
2311#define CPUMISAEXTCFG_DISABLED false
2312/** Enable the extension if it's supported by the host CPU. */
2313#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2314/** Enable the extension if it's supported by the host CPU, but don't let
2315 * the portable CPUID feature disable it. */
2316#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2317/** Always enable the extension. */
2318#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2319/** @} */
2320
2321/**
2322 * CPUID Configuration (from CFGM).
2323 *
2324 * @remarks The members aren't document since we would only be duplicating the
2325 * \@cfgm entries in cpumR3CpuIdReadConfig.
2326 */
2327typedef struct CPUMCPUIDCONFIG
2328{
2329 bool fNt4LeafLimit;
2330 bool fInvariantTsc;
2331 bool fForceVme;
2332 bool fNestedHWVirt;
2333
2334 CPUMISAEXTCFG enmCmpXchg16b;
2335 CPUMISAEXTCFG enmMonitor;
2336 CPUMISAEXTCFG enmMWaitExtensions;
2337 CPUMISAEXTCFG enmSse41;
2338 CPUMISAEXTCFG enmSse42;
2339 CPUMISAEXTCFG enmAvx;
2340 CPUMISAEXTCFG enmAvx2;
2341 CPUMISAEXTCFG enmXSave;
2342 CPUMISAEXTCFG enmAesNi;
2343 CPUMISAEXTCFG enmPClMul;
2344 CPUMISAEXTCFG enmPopCnt;
2345 CPUMISAEXTCFG enmMovBe;
2346 CPUMISAEXTCFG enmRdRand;
2347 CPUMISAEXTCFG enmRdSeed;
2348 CPUMISAEXTCFG enmCLFlushOpt;
2349 CPUMISAEXTCFG enmFsGsBase;
2350 CPUMISAEXTCFG enmPcid;
2351 CPUMISAEXTCFG enmInvpcid;
2352
2353 CPUMISAEXTCFG enmAbm;
2354 CPUMISAEXTCFG enmSse4A;
2355 CPUMISAEXTCFG enmMisAlnSse;
2356 CPUMISAEXTCFG enm3dNowPrf;
2357 CPUMISAEXTCFG enmAmdExtMmx;
2358
2359 uint32_t uMaxStdLeaf;
2360 uint32_t uMaxExtLeaf;
2361 uint32_t uMaxCentaurLeaf;
2362 uint32_t uMaxIntelFamilyModelStep;
2363 char szCpuName[128];
2364} CPUMCPUIDCONFIG;
2365/** Pointer to CPUID config (from CFGM). */
2366typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2367
2368
2369/**
2370 * Mini CPU selection support for making Mac OS X happy.
2371 *
2372 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2373 *
2374 * @param pCpum The CPUM instance data.
2375 * @param pConfig The CPUID configuration we've read from CFGM.
2376 */
2377static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2378{
2379 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2380 {
2381 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2382 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2383 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2384 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2385 0);
2386 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2387 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2388 {
2389 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2390 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2391 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2392 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2393 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2394 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2395 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2396 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2397 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2398 pStdFeatureLeaf->uEax = uNew;
2399 }
2400 }
2401}
2402
2403
2404
2405/**
2406 * Limit it the number of entries, zapping the remainder.
2407 *
2408 * The limits are masking off stuff about power saving and similar, this
2409 * is perhaps a bit crudely done as there is probably some relatively harmless
2410 * info too in these leaves (like words about having a constant TSC).
2411 *
2412 * @param pCpum The CPUM instance data.
2413 * @param pConfig The CPUID configuration we've read from CFGM.
2414 */
2415static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2416{
2417 /*
2418 * Standard leaves.
2419 */
2420 uint32_t uSubLeaf = 0;
2421 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2422 if (pCurLeaf)
2423 {
2424 uint32_t uLimit = pCurLeaf->uEax;
2425 if (uLimit <= UINT32_C(0x000fffff))
2426 {
2427 if (uLimit > pConfig->uMaxStdLeaf)
2428 {
2429 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2430 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2431 uLimit + 1, UINT32_C(0x000fffff));
2432 }
2433
2434 /* NT4 hack, no zapping of extra leaves here. */
2435 if (pConfig->fNt4LeafLimit && uLimit > 3)
2436 pCurLeaf->uEax = uLimit = 3;
2437
2438 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2439 pCurLeaf->uEax = uLimit;
2440 }
2441 else
2442 {
2443 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2444 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2445 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2446 }
2447 }
2448
2449 /*
2450 * Extended leaves.
2451 */
2452 uSubLeaf = 0;
2453 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2454 if (pCurLeaf)
2455 {
2456 uint32_t uLimit = pCurLeaf->uEax;
2457 if ( uLimit >= UINT32_C(0x80000000)
2458 && uLimit <= UINT32_C(0x800fffff))
2459 {
2460 if (uLimit > pConfig->uMaxExtLeaf)
2461 {
2462 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2463 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2464 uLimit + 1, UINT32_C(0x800fffff));
2465 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2466 pCurLeaf->uEax = uLimit;
2467 }
2468 }
2469 else
2470 {
2471 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2472 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2473 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2474 }
2475 }
2476
2477 /*
2478 * Centaur leaves (VIA).
2479 */
2480 uSubLeaf = 0;
2481 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2482 if (pCurLeaf)
2483 {
2484 uint32_t uLimit = pCurLeaf->uEax;
2485 if ( uLimit >= UINT32_C(0xc0000000)
2486 && uLimit <= UINT32_C(0xc00fffff))
2487 {
2488 if (uLimit > pConfig->uMaxCentaurLeaf)
2489 {
2490 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2491 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2492 uLimit + 1, UINT32_C(0xcfffffff));
2493 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2494 pCurLeaf->uEax = uLimit;
2495 }
2496 }
2497 else
2498 {
2499 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2500 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2501 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2502 }
2503 }
2504}
2505
2506
2507/**
2508 * Clears a CPUID leaf and all sub-leaves (to zero).
2509 *
2510 * @param pCpum The CPUM instance data.
2511 * @param uLeaf The leaf to clear.
2512 */
2513static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2514{
2515 uint32_t uSubLeaf = 0;
2516 PCPUMCPUIDLEAF pCurLeaf;
2517 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2518 {
2519 pCurLeaf->uEax = 0;
2520 pCurLeaf->uEbx = 0;
2521 pCurLeaf->uEcx = 0;
2522 pCurLeaf->uEdx = 0;
2523 uSubLeaf++;
2524 }
2525}
2526
2527
2528/**
2529 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2530 * the given leaf.
2531 *
2532 * @returns pLeaf.
2533 * @param pCpum The CPUM instance data.
2534 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2535 */
2536static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2537{
2538 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2539 if (pLeaf->fSubLeafMask != 0)
2540 {
2541 /*
2542 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2543 * Log everything while we're at it.
2544 */
2545 LogRel(("CPUM:\n"
2546 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2547 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2548 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2549 for (;;)
2550 {
2551 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2552 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2553 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2554 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2555 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2556 break;
2557 pSubLeaf++;
2558 }
2559 LogRel(("CPUM:\n"));
2560
2561 /*
2562 * Remove the offending sub-leaves.
2563 */
2564 if (pSubLeaf != pLeaf)
2565 {
2566 if (pSubLeaf != pLast)
2567 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2568 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2569 }
2570
2571 /*
2572 * Convert the first sub-leaf into a single leaf.
2573 */
2574 pLeaf->uSubLeaf = 0;
2575 pLeaf->fSubLeafMask = 0;
2576 }
2577 return pLeaf;
2578}
2579
2580
2581/**
2582 * Sanitizes and adjust the CPUID leaves.
2583 *
2584 * Drop features that aren't virtualized (or virtualizable). Adjust information
2585 * and capabilities to fit the virtualized hardware. Remove information the
2586 * guest shouldn't have (because it's wrong in the virtual world or because it
2587 * gives away host details) or that we don't have documentation for and no idea
2588 * what means.
2589 *
2590 * @returns VBox status code.
2591 * @param pVM The cross context VM structure (for cCpus).
2592 * @param pCpum The CPUM instance data.
2593 * @param pConfig The CPUID configuration we've read from CFGM.
2594 */
2595static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2596{
2597#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2598 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2599 { \
2600 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2601 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2602 }
2603#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2604 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2605 { \
2606 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2607 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2608 }
2609#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2610 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2611 && ((a_pLeafReg) & (fBitMask)) \
2612 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2613 { \
2614 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2615 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2616 }
2617 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2618
2619 /* Cpuid 1:
2620 * EAX: CPU model, family and stepping.
2621 *
2622 * ECX + EDX: Supported features. Only report features we can support.
2623 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2624 * options may require adjusting (i.e. stripping what was enabled).
2625 *
2626 * EBX: Branding, CLFLUSH line size, logical processors per package and
2627 * initial APIC ID.
2628 */
2629 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2630 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2631 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2632
2633 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2634 | X86_CPUID_FEATURE_EDX_VME
2635 | X86_CPUID_FEATURE_EDX_DE
2636 | X86_CPUID_FEATURE_EDX_PSE
2637 | X86_CPUID_FEATURE_EDX_TSC
2638 | X86_CPUID_FEATURE_EDX_MSR
2639 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2640 | X86_CPUID_FEATURE_EDX_MCE
2641 | X86_CPUID_FEATURE_EDX_CX8
2642 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2643 //| RT_BIT_32(10) - not defined
2644 /* 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}) */
2645 //| X86_CPUID_FEATURE_EDX_SEP
2646 | X86_CPUID_FEATURE_EDX_MTRR
2647 | X86_CPUID_FEATURE_EDX_PGE
2648 | X86_CPUID_FEATURE_EDX_MCA
2649 | X86_CPUID_FEATURE_EDX_CMOV
2650 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2651 | X86_CPUID_FEATURE_EDX_PSE36
2652 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2653 | X86_CPUID_FEATURE_EDX_CLFSH
2654 //| RT_BIT_32(20) - not defined
2655 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2656 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2657 | X86_CPUID_FEATURE_EDX_MMX
2658 | X86_CPUID_FEATURE_EDX_FXSR
2659 | X86_CPUID_FEATURE_EDX_SSE
2660 | X86_CPUID_FEATURE_EDX_SSE2
2661 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2662 | X86_CPUID_FEATURE_EDX_HTT
2663 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2664 //| RT_BIT_32(30) - not defined
2665 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2666 ;
2667 pStdFeatureLeaf->uEcx &= 0
2668 | X86_CPUID_FEATURE_ECX_SSE3
2669 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2670 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2671 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2672 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2673 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2674 | (pConfig->fNestedHWVirt ? X86_CPUID_FEATURE_ECX_VMX : 0)
2675 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2676 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2677 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2678 | X86_CPUID_FEATURE_ECX_SSSE3
2679 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2680 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2681 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2682 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2683 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2684 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2685 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2686 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2687 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2688 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2689 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2690 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2691 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2692 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2693 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2694 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2695 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2696 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2697 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2698 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2699 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2700 ;
2701
2702 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2703 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2704 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2705 {
2706 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2707 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2708 }
2709
2710 if (pCpum->u8PortableCpuIdLevel > 0)
2711 {
2712 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2713 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2714 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2715 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2716 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2717 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2718 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2719 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, VMX, X86_CPUID_FEATURE_ECX_VMX);
2720 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2721 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2722 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2723 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2724 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2725 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2726 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2727 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2728 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2729 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2730 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2731 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2732
2733 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2734 | X86_CPUID_FEATURE_EDX_PSN
2735 | X86_CPUID_FEATURE_EDX_DS
2736 | X86_CPUID_FEATURE_EDX_ACPI
2737 | X86_CPUID_FEATURE_EDX_SS
2738 | X86_CPUID_FEATURE_EDX_TM
2739 | X86_CPUID_FEATURE_EDX_PBE
2740 )));
2741 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2742 | X86_CPUID_FEATURE_ECX_CPLDS
2743 | X86_CPUID_FEATURE_ECX_AES
2744 | X86_CPUID_FEATURE_ECX_VMX
2745 | X86_CPUID_FEATURE_ECX_SMX
2746 | X86_CPUID_FEATURE_ECX_EST
2747 | X86_CPUID_FEATURE_ECX_TM2
2748 | X86_CPUID_FEATURE_ECX_CNTXID
2749 | X86_CPUID_FEATURE_ECX_FMA
2750 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2751 | X86_CPUID_FEATURE_ECX_PDCM
2752 | X86_CPUID_FEATURE_ECX_DCA
2753 | X86_CPUID_FEATURE_ECX_OSXSAVE
2754 )));
2755 }
2756
2757 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2758 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2759
2760 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2761 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2762 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2763 */
2764#ifdef VBOX_WITH_MULTI_CORE
2765 if (pVM->cCpus > 1)
2766 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2767#endif
2768 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2769 {
2770 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2771 core times the number of CPU cores per processor */
2772#ifdef VBOX_WITH_MULTI_CORE
2773 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2774#else
2775 /* Single logical processor in a package. */
2776 pStdFeatureLeaf->uEbx |= (1 << 16);
2777#endif
2778 }
2779
2780 uint32_t uMicrocodeRev;
2781 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2782 if (RT_SUCCESS(rc))
2783 {
2784 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2785 }
2786 else
2787 {
2788 uMicrocodeRev = 0;
2789 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2790 }
2791
2792 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2793 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2794 */
2795 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2796 && uMicrocodeRev < 0x8001126
2797 && !pConfig->fForceVme)
2798 {
2799 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2800 LogRel(("CPUM: Zen VME workaround engaged\n"));
2801 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2802 }
2803
2804 /* Force standard feature bits. */
2805 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2806 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2807 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2808 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2809 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2810 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2811 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2812 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2813 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2814 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2815 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2816 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2817 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2818 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2819 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2820 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2821 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2822 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2823 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2824 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2825 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2826 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2827
2828 pStdFeatureLeaf = NULL; /* Must refetch! */
2829
2830 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2831 * AMD:
2832 * EAX: CPU model, family and stepping.
2833 *
2834 * ECX + EDX: Supported features. Only report features we can support.
2835 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2836 * options may require adjusting (i.e. stripping what was enabled).
2837 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2838 *
2839 * EBX: Branding ID and package type (or reserved).
2840 *
2841 * Intel and probably most others:
2842 * EAX: 0
2843 * EBX: 0
2844 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2845 */
2846 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2847 if (pExtFeatureLeaf)
2848 {
2849 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2850
2851 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2852 | X86_CPUID_AMD_FEATURE_EDX_VME
2853 | X86_CPUID_AMD_FEATURE_EDX_DE
2854 | X86_CPUID_AMD_FEATURE_EDX_PSE
2855 | X86_CPUID_AMD_FEATURE_EDX_TSC
2856 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2857 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2858 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2859 | X86_CPUID_AMD_FEATURE_EDX_CX8
2860 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2861 //| RT_BIT_32(10) - reserved
2862 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2863 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2864 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2865 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2866 | X86_CPUID_AMD_FEATURE_EDX_PGE
2867 | X86_CPUID_AMD_FEATURE_EDX_MCA
2868 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2869 | X86_CPUID_AMD_FEATURE_EDX_PAT
2870 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2871 //| RT_BIT_32(18) - reserved
2872 //| RT_BIT_32(19) - reserved
2873 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2874 //| RT_BIT_32(21) - reserved
2875 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2876 | X86_CPUID_AMD_FEATURE_EDX_MMX
2877 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2878 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2879 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2880 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2881 //| RT_BIT_32(28) - reserved
2882 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2883 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2884 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2885 ;
2886 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2887 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2888 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2889 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2890 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2891 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2892 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2893 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2894 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2895 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2896 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2897 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2898 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2899 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2900 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2901 //| RT_BIT_32(14) - reserved
2902 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2903 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2904 //| RT_BIT_32(17) - reserved
2905 //| RT_BIT_32(18) - reserved
2906 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2907 //| RT_BIT_32(20) - reserved
2908 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2909 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2910 //| RT_BIT_32(23) - reserved
2911 //| RT_BIT_32(24) - reserved
2912 //| RT_BIT_32(25) - reserved
2913 //| RT_BIT_32(26) - reserved
2914 //| RT_BIT_32(27) - reserved
2915 //| RT_BIT_32(28) - reserved
2916 //| RT_BIT_32(29) - reserved
2917 //| RT_BIT_32(30) - reserved
2918 //| RT_BIT_32(31) - reserved
2919 ;
2920#ifdef VBOX_WITH_MULTI_CORE
2921 if ( pVM->cCpus > 1
2922 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2923 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2924#endif
2925
2926 if (pCpum->u8PortableCpuIdLevel > 0)
2927 {
2928 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2929 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM);
2930 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2931 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2932 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2933 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2934 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2935 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2936 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2937 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2938 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2939 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2940 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2941 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2942 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2943 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2944
2945 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2946 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2947 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2948 | X86_CPUID_AMD_FEATURE_ECX_IBS
2949 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2950 | X86_CPUID_AMD_FEATURE_ECX_WDT
2951 | X86_CPUID_AMD_FEATURE_ECX_LWP
2952 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2953 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2954 | UINT32_C(0xff964000)
2955 )));
2956 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2957 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2958 | RT_BIT(18)
2959 | RT_BIT(19)
2960 | RT_BIT(21)
2961 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2962 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2963 | RT_BIT(28)
2964 )));
2965 }
2966
2967 /* Force extended feature bits. */
2968 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2969 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2970 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2971 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2972 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2973 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2974 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2975 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2976 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2977 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2978 }
2979 pExtFeatureLeaf = NULL; /* Must refetch! */
2980
2981
2982 /* Cpuid 2:
2983 * Intel: (Nondeterministic) Cache and TLB information
2984 * AMD: Reserved
2985 * VIA: Reserved
2986 * Safe to expose.
2987 */
2988 uint32_t uSubLeaf = 0;
2989 PCPUMCPUIDLEAF pCurLeaf;
2990 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2991 {
2992 if ((pCurLeaf->uEax & 0xff) > 1)
2993 {
2994 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2995 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2996 }
2997 uSubLeaf++;
2998 }
2999
3000 /* Cpuid 3:
3001 * Intel: EAX, EBX - reserved (transmeta uses these)
3002 * ECX, EDX - Processor Serial Number if available, otherwise reserved
3003 * AMD: Reserved
3004 * VIA: Reserved
3005 * Safe to expose
3006 */
3007 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3008 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3009 {
3010 uSubLeaf = 0;
3011 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3012 {
3013 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3014 if (pCpum->u8PortableCpuIdLevel > 0)
3015 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3016 uSubLeaf++;
3017 }
3018 }
3019
3020 /* Cpuid 4 + ECX:
3021 * Intel: Deterministic Cache Parameters Leaf.
3022 * AMD: Reserved
3023 * VIA: Reserved
3024 * Safe to expose, except for EAX:
3025 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3026 * Bits 31-26: Maximum number of processor cores in this physical package**
3027 * Note: These SMP values are constant regardless of ECX
3028 */
3029 uSubLeaf = 0;
3030 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3031 {
3032 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3033#ifdef VBOX_WITH_MULTI_CORE
3034 if ( pVM->cCpus > 1
3035 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3036 {
3037 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3038 /* One logical processor with possibly multiple cores. */
3039 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3040 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3041 }
3042#endif
3043 uSubLeaf++;
3044 }
3045
3046 /* Cpuid 5: Monitor/mwait Leaf
3047 * Intel: ECX, EDX - reserved
3048 * EAX, EBX - Smallest and largest monitor line size
3049 * AMD: EDX - reserved
3050 * EAX, EBX - Smallest and largest monitor line size
3051 * ECX - extensions (ignored for now)
3052 * VIA: Reserved
3053 * Safe to expose
3054 */
3055 uSubLeaf = 0;
3056 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3057 {
3058 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3059 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3060 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3061
3062 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3063 if (pConfig->enmMWaitExtensions)
3064 {
3065 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3066 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3067 it shall be part of our power management virtualization model */
3068#if 0
3069 /* MWAIT sub C-states */
3070 pCurLeaf->uEdx =
3071 (0 << 0) /* 0 in C0 */ |
3072 (2 << 4) /* 2 in C1 */ |
3073 (2 << 8) /* 2 in C2 */ |
3074 (2 << 12) /* 2 in C3 */ |
3075 (0 << 16) /* 0 in C4 */
3076 ;
3077#endif
3078 }
3079 else
3080 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3081 uSubLeaf++;
3082 }
3083
3084 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3085 * Intel: Various stuff.
3086 * AMD: EAX, EBX, EDX - reserved.
3087 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3088 * present. Same as intel.
3089 * VIA: ??
3090 *
3091 * We clear everything here for now.
3092 */
3093 cpumR3CpuIdZeroLeaf(pCpum, 6);
3094
3095 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3096 * EAX: Number of sub leaves.
3097 * EBX+ECX+EDX: Feature flags
3098 *
3099 * We only have documentation for one sub-leaf, so clear all other (no need
3100 * to remove them as such, just set them to zero).
3101 *
3102 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3103 * options may require adjusting (i.e. stripping what was enabled).
3104 */
3105 uSubLeaf = 0;
3106 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3107 {
3108 switch (uSubLeaf)
3109 {
3110 case 0:
3111 {
3112 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3113 pCurLeaf->uEbx &= 0
3114 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3115 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3116 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3117 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3118 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3119 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3120 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3121 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3122 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3123 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3124 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3125 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3126 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3127 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3128 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3129 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3130 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3131 //| RT_BIT(17) - reserved
3132 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3133 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3134 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3135 //| RT_BIT(21) - reserved
3136 //| RT_BIT(22) - reserved
3137 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3138 //| RT_BIT(24) - reserved
3139 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3140 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3141 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3142 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3143 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3144 //| RT_BIT(30) - reserved
3145 //| RT_BIT(31) - reserved
3146 ;
3147 pCurLeaf->uEcx &= 0
3148 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3149 ;
3150 pCurLeaf->uEdx &= 0
3151 //| X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB RT_BIT(26)
3152 //| X86_CPUID_STEXT_FEATURE_EDX_STIBP RT_BIT(27)
3153 //| X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP RT_BIT(29)
3154 ;
3155
3156 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3157 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3158 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3159 {
3160 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3161 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to work around buggy guests\n"));
3162 }
3163
3164 if (pCpum->u8PortableCpuIdLevel > 0)
3165 {
3166 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3167 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3168 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3169 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3170 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3171 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3172 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3173 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3174 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3175 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3176 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3177 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3178 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3179 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3180 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3181 }
3182
3183 /* Force standard feature bits. */
3184 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3185 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3186 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3187 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3188 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3189 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3190 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3191 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3192 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3193 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3194 break;
3195 }
3196
3197 default:
3198 /* Invalid index, all values are zero. */
3199 pCurLeaf->uEax = 0;
3200 pCurLeaf->uEbx = 0;
3201 pCurLeaf->uEcx = 0;
3202 pCurLeaf->uEdx = 0;
3203 break;
3204 }
3205 uSubLeaf++;
3206 }
3207
3208 /* Cpuid 8: Marked as reserved by Intel and AMD.
3209 * We zero this since we don't know what it may have been used for.
3210 */
3211 cpumR3CpuIdZeroLeaf(pCpum, 8);
3212
3213 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3214 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3215 * EBX, ECX, EDX - reserved.
3216 * AMD: Reserved
3217 * VIA: ??
3218 *
3219 * We zero this.
3220 */
3221 cpumR3CpuIdZeroLeaf(pCpum, 9);
3222
3223 /* Cpuid 0xa: Architectural Performance Monitor Features
3224 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3225 * EBX, ECX, EDX - reserved.
3226 * AMD: Reserved
3227 * VIA: ??
3228 *
3229 * We zero this, for now at least.
3230 */
3231 cpumR3CpuIdZeroLeaf(pCpum, 10);
3232
3233 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3234 * Intel: EAX - APCI ID shift right for next level.
3235 * EBX - Factory configured cores/threads at this level.
3236 * ECX - Level number (same as input) and level type (1,2,0).
3237 * EDX - Extended initial APIC ID.
3238 * AMD: Reserved
3239 * VIA: ??
3240 */
3241 uSubLeaf = 0;
3242 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3243 {
3244 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3245 {
3246 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3247 if (bLevelType == 1)
3248 {
3249 /* Thread level - we don't do threads at the moment. */
3250 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3251 pCurLeaf->uEbx = 1;
3252 }
3253 else if (bLevelType == 2)
3254 {
3255 /* Core level. */
3256 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... */
3257#ifdef VBOX_WITH_MULTI_CORE
3258 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3259 pCurLeaf->uEax++;
3260#endif
3261 pCurLeaf->uEbx = pVM->cCpus;
3262 }
3263 else
3264 {
3265 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3266 pCurLeaf->uEax = 0;
3267 pCurLeaf->uEbx = 0;
3268 pCurLeaf->uEcx = 0;
3269 }
3270 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3271 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3272 }
3273 else
3274 {
3275 pCurLeaf->uEax = 0;
3276 pCurLeaf->uEbx = 0;
3277 pCurLeaf->uEcx = 0;
3278 pCurLeaf->uEdx = 0;
3279 }
3280 uSubLeaf++;
3281 }
3282
3283 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3284 * We zero this since we don't know what it may have been used for.
3285 */
3286 cpumR3CpuIdZeroLeaf(pCpum, 12);
3287
3288 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3289 * ECX=0: EAX - Valid bits in XCR0[31:0].
3290 * EBX - Maximum state size as per current XCR0 value.
3291 * ECX - Maximum state size for all supported features.
3292 * EDX - Valid bits in XCR0[63:32].
3293 * ECX=1: EAX - Various X-features.
3294 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3295 * ECX - Valid bits in IA32_XSS[31:0].
3296 * EDX - Valid bits in IA32_XSS[63:32].
3297 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3298 * if the bit invalid all four registers are set to zero.
3299 * EAX - The state size for this feature.
3300 * EBX - The state byte offset of this feature.
3301 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3302 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3303 *
3304 * Clear them all as we don't currently implement extended CPU state.
3305 */
3306 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3307 uint64_t fGuestXcr0Mask = 0;
3308 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3309 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3310 {
3311 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3312 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3313 fGuestXcr0Mask |= XSAVE_C_YMM;
3314 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3315 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3316 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3317 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3318
3319 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3320 }
3321 pStdFeatureLeaf = NULL;
3322 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3323
3324 /* Work the sub-leaves. */
3325 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3326 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3327 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3328 {
3329 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3330 if (pCurLeaf)
3331 {
3332 if (fGuestXcr0Mask)
3333 {
3334 switch (uSubLeaf)
3335 {
3336 case 0:
3337 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3338 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3339 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3340 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3341 VERR_CPUM_IPE_1);
3342 cbXSaveMaxActual = pCurLeaf->uEcx;
3343 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3344 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3345 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3346 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3347 VERR_CPUM_IPE_2);
3348 continue;
3349 case 1:
3350 pCurLeaf->uEax &= 0;
3351 pCurLeaf->uEcx &= 0;
3352 pCurLeaf->uEdx &= 0;
3353 /** @todo what about checking ebx? */
3354 continue;
3355 default:
3356 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3357 {
3358 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3359 && pCurLeaf->uEax > 0
3360 && pCurLeaf->uEbx < cbXSaveMaxActual
3361 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3362 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3363 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3364 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3365 VERR_CPUM_IPE_2);
3366 AssertLogRel(!(pCurLeaf->uEcx & 1));
3367 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3368 pCurLeaf->uEdx = 0; /* it's reserved... */
3369 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3370 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3371 continue;
3372 }
3373 break;
3374 }
3375 }
3376
3377 /* Clear the leaf. */
3378 pCurLeaf->uEax = 0;
3379 pCurLeaf->uEbx = 0;
3380 pCurLeaf->uEcx = 0;
3381 pCurLeaf->uEdx = 0;
3382 }
3383 }
3384
3385 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3386 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3387 {
3388 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3389 if (pCurLeaf)
3390 {
3391 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3392 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3393 pCurLeaf->uEbx = cbXSaveMaxReport;
3394 pCurLeaf->uEcx = cbXSaveMaxReport;
3395 }
3396 }
3397
3398 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3399 * We zero this since we don't know what it may have been used for.
3400 */
3401 cpumR3CpuIdZeroLeaf(pCpum, 14);
3402
3403 /* Cpuid 0xf + ECX: Platform quality of service monitoring (PQM),
3404 * also known as Intel Resource Director Technology (RDT) Monitoring
3405 * We zero this as we don't currently virtualize PQM.
3406 */
3407 cpumR3CpuIdZeroLeaf(pCpum, 15);
3408
3409 /* Cpuid 0x10 + ECX: Platform quality of service enforcement (PQE),
3410 * also known as Intel Resource Director Technology (RDT) Allocation
3411 * We zero this as we don't currently virtualize PQE.
3412 */
3413 cpumR3CpuIdZeroLeaf(pCpum, 16);
3414
3415 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3416 * We zero this since we don't know what it may have been used for.
3417 */
3418 cpumR3CpuIdZeroLeaf(pCpum, 17);
3419
3420 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3421 * We zero this as we don't currently virtualize this.
3422 */
3423 cpumR3CpuIdZeroLeaf(pCpum, 18);
3424
3425 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3426 * We zero this since we don't know what it may have been used for.
3427 */
3428 cpumR3CpuIdZeroLeaf(pCpum, 19);
3429
3430 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3431 * We zero this as we don't currently virtualize this.
3432 */
3433 cpumR3CpuIdZeroLeaf(pCpum, 20);
3434
3435 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3436 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3437 * EAX - denominator (unsigned).
3438 * EBX - numerator (unsigned).
3439 * ECX, EDX - reserved.
3440 * AMD: Reserved / undefined / not implemented.
3441 * VIA: Reserved / undefined / not implemented.
3442 * We zero this as we don't currently virtualize this.
3443 */
3444 cpumR3CpuIdZeroLeaf(pCpum, 21);
3445
3446 /* Cpuid 0x16: Processor frequency info
3447 * Intel: EAX - Core base frequency in MHz.
3448 * EBX - Core maximum frequency in MHz.
3449 * ECX - Bus (reference) frequency in MHz.
3450 * EDX - Reserved.
3451 * AMD: Reserved / undefined / not implemented.
3452 * VIA: Reserved / undefined / not implemented.
3453 * We zero this as we don't currently virtualize this.
3454 */
3455 cpumR3CpuIdZeroLeaf(pCpum, 22);
3456
3457 /* Cpuid 0x17..0x10000000: Unknown.
3458 * We don't know these and what they mean, so remove them. */
3459 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3460 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3461
3462
3463 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3464 * We remove all these as we're a hypervisor and must provide our own.
3465 */
3466 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3467 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3468
3469
3470 /* Cpuid 0x80000000 is harmless. */
3471
3472 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3473
3474 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3475
3476 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3477 * Safe to pass on to the guest.
3478 *
3479 * AMD: 0x800000005 L1 cache information
3480 * 0x800000006 L2/L3 cache information
3481 * Intel: 0x800000005 reserved
3482 * 0x800000006 L2 cache information
3483 * VIA: 0x800000005 TLB and L1 cache information
3484 * 0x800000006 L2 cache information
3485 */
3486
3487 /* Cpuid 0x800000007: Advanced Power Management Information.
3488 * AMD: EAX: Processor feedback capabilities.
3489 * EBX: RAS capabilites.
3490 * ECX: Advanced power monitoring interface.
3491 * EDX: Enhanced power management capabilities.
3492 * Intel: EAX, EBX, ECX - reserved.
3493 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3494 * VIA: Reserved
3495 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3496 */
3497 uSubLeaf = 0;
3498 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3499 {
3500 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3501 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3502 {
3503 /*
3504 * Older 64-bit linux kernels blindly assume that the AMD performance counters work
3505 * if X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR is set, see @bugref{7243#c85}. Exposing this
3506 * bit is now configurable.
3507 */
3508 pCurLeaf->uEdx &= 0
3509 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3510 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3511 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3512 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3513 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3514 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3515 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3516 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3517 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3518 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3519 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3520 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3521 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3522 | 0;
3523 }
3524 else
3525 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3526 if (!pConfig->fInvariantTsc)
3527 pCurLeaf->uEdx &= ~X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3528 uSubLeaf++;
3529 }
3530
3531 /* Cpuid 0x80000008:
3532 * AMD: EBX, EDX - reserved
3533 * EAX: Virtual/Physical/Guest address Size
3534 * ECX: Number of cores + APICIdCoreIdSize
3535 * Intel: EAX: Virtual/Physical address Size
3536 * EBX, ECX, EDX - reserved
3537 * VIA: EAX: Virtual/Physical address Size
3538 * EBX, ECX, EDX - reserved
3539 *
3540 * We only expose the virtual+pysical address size to the guest atm.
3541 * On AMD we set the core count, but not the apic id stuff as we're
3542 * currently not doing the apic id assignments in a complatible manner.
3543 */
3544 uSubLeaf = 0;
3545 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3546 {
3547 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3548 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3549 pCurLeaf->uEdx = 0; /* reserved */
3550
3551 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3552 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3553 pCurLeaf->uEcx = 0;
3554#ifdef VBOX_WITH_MULTI_CORE
3555 if ( pVM->cCpus > 1
3556 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3557 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3558#endif
3559 uSubLeaf++;
3560 }
3561
3562 /* Cpuid 0x80000009: Reserved
3563 * We zero this since we don't know what it may have been used for.
3564 */
3565 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3566
3567 /* Cpuid 0x8000000a: SVM Information
3568 * AMD: EAX - SVM revision.
3569 * EBX - Number of ASIDs.
3570 * ECX - Reserved.
3571 * EDX - SVM Feature identification.
3572 */
3573 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3574 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3575 {
3576 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3577 pSvmFeatureLeaf->uEax = 0x1;
3578 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3579 pSvmFeatureLeaf->uEcx = 0;
3580 pSvmFeatureLeaf->uEdx &= ( X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE /** @todo Support other SVM features */
3581 | X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID
3582 | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
3583 }
3584 else
3585 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3586
3587 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3588 * We clear these as we don't know what purpose they might have. */
3589 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3590 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3591
3592 /* Cpuid 0x80000019: TLB configuration
3593 * Seems to be harmless, pass them thru as is. */
3594
3595 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3596 * Strip anything we don't know what is or addresses feature we don't implement. */
3597 uSubLeaf = 0;
3598 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3599 {
3600 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3601 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3602 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3603 ;
3604 pCurLeaf->uEbx = 0; /* reserved */
3605 pCurLeaf->uEcx = 0; /* reserved */
3606 pCurLeaf->uEdx = 0; /* reserved */
3607 uSubLeaf++;
3608 }
3609
3610 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3611 * Clear this as we don't currently virtualize this feature. */
3612 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3613
3614 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3615 * Clear this as we don't currently virtualize this feature. */
3616 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3617
3618 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3619 * We need to sanitize the cores per cache (EAX[25:14]).
3620 *
3621 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3622 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3623 * slightly different meaning.
3624 */
3625 uSubLeaf = 0;
3626 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3627 {
3628#ifdef VBOX_WITH_MULTI_CORE
3629 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3630 if (cCores > pVM->cCpus)
3631 cCores = pVM->cCpus;
3632 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3633 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3634#else
3635 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3636#endif
3637 uSubLeaf++;
3638 }
3639
3640 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3641 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3642 * setup, we have one compute unit with all the cores in it. Single node.
3643 */
3644 uSubLeaf = 0;
3645 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3646 {
3647 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3648 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3649 {
3650#ifdef VBOX_WITH_MULTI_CORE
3651 pCurLeaf->uEbx = pVM->cCpus < 0x100
3652 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3653#else
3654 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3655#endif
3656 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3657 }
3658 else
3659 {
3660 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3661 pCurLeaf->uEbx = 0; /* Reserved. */
3662 pCurLeaf->uEcx = 0; /* Reserved. */
3663 }
3664 pCurLeaf->uEdx = 0; /* Reserved. */
3665 uSubLeaf++;
3666 }
3667
3668 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3669 * We don't know these and what they mean, so remove them. */
3670 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3671 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3672
3673 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3674 * Just pass it thru for now. */
3675
3676 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3677 * Just pass it thru for now. */
3678
3679 /* Cpuid 0xc0000000: Centaur stuff.
3680 * Harmless, pass it thru. */
3681
3682 /* Cpuid 0xc0000001: Centaur features.
3683 * VIA: EAX - Family, model, stepping.
3684 * EDX - Centaur extended feature flags. Nothing interesting, except may
3685 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3686 * EBX, ECX - reserved.
3687 * We keep EAX but strips the rest.
3688 */
3689 uSubLeaf = 0;
3690 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3691 {
3692 pCurLeaf->uEbx = 0;
3693 pCurLeaf->uEcx = 0;
3694 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3695 uSubLeaf++;
3696 }
3697
3698 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3699 * We only have fixed stale values, but should be harmless. */
3700
3701 /* Cpuid 0xc0000003: Reserved.
3702 * We zero this since we don't know what it may have been used for.
3703 */
3704 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3705
3706 /* Cpuid 0xc0000004: Centaur Performance Info.
3707 * We only have fixed stale values, but should be harmless. */
3708
3709
3710 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3711 * We don't know these and what they mean, so remove them. */
3712 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3713 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3714
3715 return VINF_SUCCESS;
3716#undef PORTABLE_DISABLE_FEATURE_BIT
3717#undef PORTABLE_CLEAR_BITS_WHEN
3718}
3719
3720
3721/**
3722 * Reads a value in /CPUM/IsaExts/ node.
3723 *
3724 * @returns VBox status code (error message raised).
3725 * @param pVM The cross context VM structure. (For errors.)
3726 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3727 * @param pszValueName The value / extension name.
3728 * @param penmValue Where to return the choice.
3729 * @param enmDefault The default choice.
3730 */
3731static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3732 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3733{
3734 /*
3735 * Try integer encoding first.
3736 */
3737 uint64_t uValue;
3738 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3739 if (RT_SUCCESS(rc))
3740 switch (uValue)
3741 {
3742 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3743 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3744 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3745 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3746 default:
3747 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3748 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3749 pszValueName, uValue);
3750 }
3751 /*
3752 * If missing, use default.
3753 */
3754 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3755 *penmValue = enmDefault;
3756 else
3757 {
3758 if (rc == VERR_CFGM_NOT_INTEGER)
3759 {
3760 /*
3761 * Not an integer, try read it as a string.
3762 */
3763 char szValue[32];
3764 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3765 if (RT_SUCCESS(rc))
3766 {
3767 RTStrToLower(szValue);
3768 size_t cchValue = strlen(szValue);
3769#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3770 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3771 *penmValue = CPUMISAEXTCFG_DISABLED;
3772 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3773 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3774 else if (EQ("forced") || EQ("force") || EQ("always"))
3775 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3776 else if (EQ("portable"))
3777 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3778 else if (EQ("default") || EQ("def"))
3779 *penmValue = enmDefault;
3780 else
3781 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3782 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3783 pszValueName, uValue);
3784#undef EQ
3785 }
3786 }
3787 if (RT_FAILURE(rc))
3788 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3789 }
3790 return VINF_SUCCESS;
3791}
3792
3793
3794/**
3795 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3796 *
3797 * @returns VBox status code (error message raised).
3798 * @param pVM The cross context VM structure. (For errors.)
3799 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3800 * @param pszValueName The value / extension name.
3801 * @param penmValue Where to return the choice.
3802 * @param enmDefault The default choice.
3803 * @param fAllowed Allowed choice. Applied both to the result and to
3804 * the default value.
3805 */
3806static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3807 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3808{
3809 int rc;
3810 if (fAllowed)
3811 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3812 else
3813 {
3814 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3815 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3816 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3817 *penmValue = CPUMISAEXTCFG_DISABLED;
3818 }
3819 return rc;
3820}
3821
3822
3823/**
3824 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3825 *
3826 * @returns VBox status code (error message raised).
3827 * @param pVM The cross context VM structure. (For errors.)
3828 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3829 * @param pCpumCfg The /CPUM node (can be NULL).
3830 * @param pszValueName The value / extension name.
3831 * @param penmValue Where to return the choice.
3832 * @param enmDefault The default choice.
3833 */
3834static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3835 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3836{
3837 if (CFGMR3Exists(pCpumCfg, pszValueName))
3838 {
3839 if (!CFGMR3Exists(pIsaExts, pszValueName))
3840 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3841 else
3842 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3843 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3844 pszValueName, pszValueName);
3845
3846 bool fLegacy;
3847 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3848 if (RT_SUCCESS(rc))
3849 {
3850 *penmValue = fLegacy;
3851 return VINF_SUCCESS;
3852 }
3853 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3854 }
3855
3856 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3857}
3858
3859
3860static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3861{
3862 int rc;
3863
3864 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3865 * When non-zero CPUID features that could cause portability issues will be
3866 * stripped. The higher the value the more features gets stripped. Higher
3867 * values should only be used when older CPUs are involved since it may
3868 * harm performance and maybe also cause problems with specific guests. */
3869 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3870 AssertLogRelRCReturn(rc, rc);
3871
3872 /** @cfgm{/CPUM/GuestCpuName, string}
3873 * The name of the CPU we're to emulate. The default is the host CPU.
3874 * Note! CPUs other than "host" one is currently unsupported. */
3875 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3876 AssertLogRelRCReturn(rc, rc);
3877
3878 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3879 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3880 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3881 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3882 */
3883 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3884 AssertLogRelRCReturn(rc, rc);
3885
3886 /** @cfgm{/CPUM/InvariantTsc, boolean, true}
3887 * Pass-through the invariant TSC flag in 0x80000007 if available on the host
3888 * CPU. On AMD CPUs, users may wish to suppress it to avoid trouble from older
3889 * 64-bit linux guests which assume the presence of AMD performance counters
3890 * that we do not virtualize.
3891 */
3892 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, true);
3893 AssertLogRelRCReturn(rc, rc);
3894
3895 /** @cfgm{/CPUM/ForceVme, boolean, false}
3896 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3897 * By default the flag is passed thru as is from the host CPU, except
3898 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3899 * guests and DOS boxes in general.
3900 */
3901 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3902 AssertLogRelRCReturn(rc, rc);
3903
3904 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3905 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3906 * probably going to be a temporary hack, so don't depend on this.
3907 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3908 * number and the 3rd byte value is the family, and the 4th value must be zero.
3909 */
3910 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3911 AssertLogRelRCReturn(rc, rc);
3912
3913 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3914 * The last standard leaf to keep. The actual last value that is stored in EAX
3915 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3916 * removed. (This works independently of and differently from NT4LeafLimit.)
3917 * The default is usually set to what we're able to reasonably sanitize.
3918 */
3919 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3920 AssertLogRelRCReturn(rc, rc);
3921
3922 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3923 * The last extended leaf to keep. The actual last value that is stored in EAX
3924 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3925 * leaf are removed. The default is set to what we're able to sanitize.
3926 */
3927 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3928 AssertLogRelRCReturn(rc, rc);
3929
3930 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3931 * The last extended leaf to keep. The actual last value that is stored in EAX
3932 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3933 * leaf are removed. The default is set to what we're able to sanitize.
3934 */
3935 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3936 AssertLogRelRCReturn(rc, rc);
3937
3938#if defined(VBOX_WITH_NESTED_HWVIRT_SVM) || defined(VBOX_WITH_NESTED_HWVIRT_VMX)
3939 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
3940 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
3941 * The default is false, and when enabled requires nested paging and AMD-V or
3942 * unrestricted guest mode.
3943 */
3944 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
3945 AssertLogRelRCReturn(rc, rc);
3946 if ( pConfig->fNestedHWVirt
3947 && !fNestedPagingAndFullGuestExec)
3948 return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
3949 "Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!\n");
3950
3951 /** @todo Think about enabling this later with NEM/KVM. */
3952 if ( pConfig->fNestedHWVirt
3953 && VM_IS_NEM_ENABLED(pVM))
3954 {
3955 LogRel(("CPUM: WARNING! Can't turn on nested VT-x/AMD-V when NEM is used!\n"));
3956 pConfig->fNestedHWVirt = false;
3957 }
3958#endif
3959
3960 /*
3961 * Instruction Set Architecture (ISA) Extensions.
3962 */
3963 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3964 if (pIsaExts)
3965 {
3966 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3967 "CMPXCHG16B"
3968 "|MONITOR"
3969 "|MWaitExtensions"
3970 "|SSE4.1"
3971 "|SSE4.2"
3972 "|XSAVE"
3973 "|AVX"
3974 "|AVX2"
3975 "|AESNI"
3976 "|PCLMUL"
3977 "|POPCNT"
3978 "|MOVBE"
3979 "|RDRAND"
3980 "|RDSEED"
3981 "|CLFLUSHOPT"
3982 "|FSGSBASE"
3983 "|PCID"
3984 "|INVPCID"
3985 "|ABM"
3986 "|SSE4A"
3987 "|MISALNSSE"
3988 "|3DNOWPRF"
3989 "|AXMMX"
3990 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3991 if (RT_FAILURE(rc))
3992 return rc;
3993 }
3994
3995 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3996 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3997 * being the default is to only do this for VMs with nested paging and AMD-V or
3998 * unrestricted guest mode.
3999 */
4000 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
4001 AssertLogRelRCReturn(rc, rc);
4002
4003 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
4004 * Expose MONITOR/MWAIT instructions to the guest.
4005 */
4006 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
4007 AssertLogRelRCReturn(rc, rc);
4008
4009 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
4010 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
4011 * break on interrupt feature (bit 1).
4012 */
4013 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
4014 AssertLogRelRCReturn(rc, rc);
4015
4016 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4017 * Expose SSE4.1 to the guest if available.
4018 */
4019 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4020 AssertLogRelRCReturn(rc, rc);
4021
4022 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4023 * Expose SSE4.2 to the guest if available.
4024 */
4025 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4026 AssertLogRelRCReturn(rc, rc);
4027
4028 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4029 && pVM->cpum.s.HostFeatures.fXSaveRstor
4030 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
4031#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
4032 && ( !HMIsLongModeAllowed(pVM)
4033 || NEMHCIsLongModeAllowed(pVM))
4034#endif
4035 ;
4036 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4037
4038 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4039 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4040 * default is to only expose this to VMs with nested paging and AMD-V or
4041 * unrestricted guest execution mode. Not possible to force this one without
4042 * host support at the moment.
4043 */
4044 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4045 fMayHaveXSave /*fAllowed*/);
4046 AssertLogRelRCReturn(rc, rc);
4047
4048 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4049 * Expose the AVX instruction set extensions to the guest if available and
4050 * XSAVE is exposed too. For the time being the default is to only expose this
4051 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4052 */
4053 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4054 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4055 AssertLogRelRCReturn(rc, rc);
4056
4057 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4058 * Expose the AVX2 instruction set extensions to the guest if available and
4059 * XSAVE is exposed too. For the time being the default is to only expose this
4060 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4061 */
4062 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4063 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4064 AssertLogRelRCReturn(rc, rc);
4065
4066 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4067 * Whether to expose the AES instructions to the guest. For the time being the
4068 * default is to only do this for VMs with nested paging and AMD-V or
4069 * unrestricted guest mode.
4070 */
4071 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4072 AssertLogRelRCReturn(rc, rc);
4073
4074 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4075 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4076 * being the default is to only do this for VMs with nested paging and AMD-V or
4077 * unrestricted guest mode.
4078 */
4079 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4080 AssertLogRelRCReturn(rc, rc);
4081
4082 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4083 * Whether to expose the POPCNT instructions to the guest. For the time
4084 * being the default is to only do this for VMs with nested paging and AMD-V or
4085 * unrestricted guest mode.
4086 */
4087 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4088 AssertLogRelRCReturn(rc, rc);
4089
4090 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4091 * Whether to expose the MOVBE instructions to the guest. For the time
4092 * being the default is to only do this for VMs with nested paging and AMD-V or
4093 * unrestricted guest mode.
4094 */
4095 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4096 AssertLogRelRCReturn(rc, rc);
4097
4098 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4099 * Whether to expose the RDRAND instructions to the guest. For the time being
4100 * the default is to only do this for VMs with nested paging and AMD-V or
4101 * unrestricted guest mode.
4102 */
4103 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4104 AssertLogRelRCReturn(rc, rc);
4105
4106 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4107 * Whether to expose the RDSEED instructions to the guest. For the time being
4108 * the default is to only do this for VMs with nested paging and AMD-V or
4109 * unrestricted guest mode.
4110 */
4111 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4112 AssertLogRelRCReturn(rc, rc);
4113
4114 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4115 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4116 * being the default is to only do this for VMs with nested paging and AMD-V or
4117 * unrestricted guest mode.
4118 */
4119 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4120 AssertLogRelRCReturn(rc, rc);
4121
4122 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4123 * Whether to expose the read/write FSGSBASE instructions to the guest.
4124 */
4125 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4126 AssertLogRelRCReturn(rc, rc);
4127
4128 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4129 * Whether to expose the PCID feature to the guest.
4130 */
4131 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4132 AssertLogRelRCReturn(rc, rc);
4133
4134 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4135 * Whether to expose the INVPCID instruction to the guest.
4136 */
4137 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4138 AssertLogRelRCReturn(rc, rc);
4139
4140
4141 /* AMD: */
4142
4143 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4144 * Whether to expose the AMD ABM 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, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4149 AssertLogRelRCReturn(rc, rc);
4150
4151 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4152 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4153 * being the default is to only do this for VMs with nested paging and AMD-V or
4154 * unrestricted guest mode.
4155 */
4156 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4157 AssertLogRelRCReturn(rc, rc);
4158
4159 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4160 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4161 * the time being the default is to only do this for VMs with nested paging and
4162 * AMD-V or unrestricted guest mode.
4163 */
4164 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4165 AssertLogRelRCReturn(rc, rc);
4166
4167 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4168 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4169 * For the time being the default is to only do this for VMs with nested paging
4170 * and AMD-V or unrestricted guest mode.
4171 */
4172 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4173 AssertLogRelRCReturn(rc, rc);
4174
4175 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4176 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4177 * the default is to only do this for VMs with nested paging and AMD-V or
4178 * unrestricted guest mode.
4179 */
4180 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4181 AssertLogRelRCReturn(rc, rc);
4182
4183 return VINF_SUCCESS;
4184}
4185
4186
4187/**
4188 * Initializes the emulated CPU's CPUID & MSR information.
4189 *
4190 * @returns VBox status code.
4191 * @param pVM The cross context VM structure.
4192 */
4193int cpumR3InitCpuIdAndMsrs(PVM pVM)
4194{
4195 PCPUM pCpum = &pVM->cpum.s;
4196 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4197
4198 /*
4199 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4200 * on construction and manage everything from here on.
4201 */
4202 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4203 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4204
4205 /*
4206 * Read the configuration.
4207 */
4208 CPUMCPUIDCONFIG Config;
4209 RT_ZERO(Config);
4210
4211 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4212 AssertRCReturn(rc, rc);
4213
4214 /*
4215 * Get the guest CPU data from the database and/or the host.
4216 *
4217 * The CPUID and MSRs are currently living on the regular heap to avoid
4218 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4219 * API for the hyper heap). This means special cleanup considerations.
4220 */
4221 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4222 if (RT_FAILURE(rc))
4223 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4224 ? VMSetError(pVM, rc, RT_SRC_POS,
4225 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4226 : rc;
4227
4228 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4229 {
4230 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4231 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4232 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4233 }
4234 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4235
4236 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4237 * Overrides the guest MSRs.
4238 */
4239 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4240
4241 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4242 * Overrides the CPUID leaf values (from the host CPU usually) used for
4243 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4244 * values when moving a VM to a different machine. Another use is restricting
4245 * (or extending) the feature set exposed to the guest. */
4246 if (RT_SUCCESS(rc))
4247 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4248
4249 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4250 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4251 "Found unsupported configuration node '/CPUM/CPUID/'. "
4252 "Please use IMachine::setCPUIDLeaf() instead.");
4253
4254 /*
4255 * Pre-explode the CPUID info.
4256 */
4257 if (RT_SUCCESS(rc))
4258 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4259
4260 /*
4261 * Sanitize the cpuid information passed on to the guest.
4262 */
4263 if (RT_SUCCESS(rc))
4264 {
4265 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4266 if (RT_SUCCESS(rc))
4267 {
4268 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4269 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4270 }
4271 }
4272
4273 /*
4274 * MSR fudging.
4275 */
4276 if (RT_SUCCESS(rc))
4277 {
4278 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4279 * Fudges some common MSRs if not present in the selected CPU database entry.
4280 * This is for trying to keep VMs running when moved between different hosts
4281 * and different CPU vendors. */
4282 bool fEnable;
4283 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4284 if (RT_SUCCESS(rc) && fEnable)
4285 {
4286 rc = cpumR3MsrApplyFudge(pVM);
4287 AssertLogRelRC(rc);
4288 }
4289 }
4290 if (RT_SUCCESS(rc))
4291 {
4292 /*
4293 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4294 * guest CPU features again.
4295 */
4296 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4297 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4298 pCpum->GuestInfo.cCpuIdLeaves);
4299 RTMemFree(pvFree);
4300
4301 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4302 int rc2 = MMHyperDupMem(pVM, pvFree,
4303 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4304 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4305 RTMemFree(pvFree);
4306 AssertLogRelRCReturn(rc1, rc1);
4307 AssertLogRelRCReturn(rc2, rc2);
4308
4309 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4310 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4311
4312
4313 /*
4314 * Some more configuration that we're applying at the end of everything
4315 * via the CPUMSetGuestCpuIdFeature API.
4316 */
4317
4318 /* Check if PAE was explicitely enabled by the user. */
4319 bool fEnable;
4320 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4321 AssertRCReturn(rc, rc);
4322 if (fEnable)
4323 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4324
4325 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4326 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4327 AssertRCReturn(rc, rc);
4328 if (fEnable)
4329 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4330
4331 /* Check if speculation control is enabled. */
4332 rc = CFGMR3QueryBoolDef(pCpumCfg, "SpecCtrl", &fEnable, false);
4333 AssertRCReturn(rc, rc);
4334 if (fEnable)
4335 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SPEC_CTRL);
4336
4337 return VINF_SUCCESS;
4338 }
4339
4340 /*
4341 * Failed before switching to hyper heap.
4342 */
4343 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4344 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4345 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4346 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4347 return rc;
4348}
4349
4350
4351/**
4352 * Sets a CPUID feature bit during VM initialization.
4353 *
4354 * Since the CPUID feature bits are generally related to CPU features, other
4355 * CPUM configuration like MSRs can also be modified by calls to this API.
4356 *
4357 * @param pVM The cross context VM structure.
4358 * @param enmFeature The feature to set.
4359 */
4360VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4361{
4362 PCPUMCPUIDLEAF pLeaf;
4363 PCPUMMSRRANGE pMsrRange;
4364
4365 switch (enmFeature)
4366 {
4367 /*
4368 * Set the APIC bit in both feature masks.
4369 */
4370 case CPUMCPUIDFEATURE_APIC:
4371 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4372 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4373 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4374
4375 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4376 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4377 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4378
4379 pVM->cpum.s.GuestFeatures.fApic = 1;
4380
4381 /* Make sure we've got the APICBASE MSR present. */
4382 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4383 if (!pMsrRange)
4384 {
4385 static CPUMMSRRANGE const s_ApicBase =
4386 {
4387 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4388 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4389 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4390 /*.szName = */ "IA32_APIC_BASE"
4391 };
4392 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4393 AssertLogRelRC(rc);
4394 }
4395
4396 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4397 break;
4398
4399 /*
4400 * Set the x2APIC bit in the standard feature mask.
4401 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4402 */
4403 case CPUMCPUIDFEATURE_X2APIC:
4404 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4405 if (pLeaf)
4406 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4407 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4408
4409 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4410 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4411 if (pMsrRange)
4412 {
4413 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4414 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4415 }
4416
4417 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4418 break;
4419
4420 /*
4421 * Set the sysenter/sysexit bit in the standard feature mask.
4422 * Assumes the caller knows what it's doing! (host must support these)
4423 */
4424 case CPUMCPUIDFEATURE_SEP:
4425 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4426 {
4427 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4428 return;
4429 }
4430
4431 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4432 if (pLeaf)
4433 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4434 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4435 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4436 break;
4437
4438 /*
4439 * Set the syscall/sysret bit in the extended feature mask.
4440 * Assumes the caller knows what it's doing! (host must support these)
4441 */
4442 case CPUMCPUIDFEATURE_SYSCALL:
4443 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4444 if ( !pLeaf
4445 || !pVM->cpum.s.HostFeatures.fSysCall)
4446 {
4447#if HC_ARCH_BITS == 32
4448 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4449 mode by Intel, even when the cpu is capable of doing so in
4450 64-bit mode. Long mode requires syscall support. */
4451 if (!pVM->cpum.s.HostFeatures.fLongMode)
4452#endif
4453 {
4454 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4455 return;
4456 }
4457 }
4458
4459 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4460 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4461 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4462 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4463 break;
4464
4465 /*
4466 * Set the PAE bit in both feature masks.
4467 * Assumes the caller knows what it's doing! (host must support these)
4468 */
4469 case CPUMCPUIDFEATURE_PAE:
4470 if (!pVM->cpum.s.HostFeatures.fPae)
4471 {
4472 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4473 return;
4474 }
4475
4476 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4477 if (pLeaf)
4478 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4479
4480 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4481 if ( pLeaf
4482 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4483 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4484
4485 pVM->cpum.s.GuestFeatures.fPae = 1;
4486 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4487 break;
4488
4489 /*
4490 * Set the LONG MODE bit in the extended feature mask.
4491 * Assumes the caller knows what it's doing! (host must support these)
4492 */
4493 case CPUMCPUIDFEATURE_LONG_MODE:
4494 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4495 if ( !pLeaf
4496 || !pVM->cpum.s.HostFeatures.fLongMode)
4497 {
4498 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4499 return;
4500 }
4501
4502 /* Valid for both Intel and AMD. */
4503 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4504 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4505 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4506 break;
4507
4508 /*
4509 * Set the NX/XD bit in the extended feature mask.
4510 * Assumes the caller knows what it's doing! (host must support these)
4511 */
4512 case CPUMCPUIDFEATURE_NX:
4513 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4514 if ( !pLeaf
4515 || !pVM->cpum.s.HostFeatures.fNoExecute)
4516 {
4517 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4518 return;
4519 }
4520
4521 /* Valid for both Intel and AMD. */
4522 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4523 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4524 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4525 break;
4526
4527
4528 /*
4529 * Set the LAHF/SAHF support in 64-bit mode.
4530 * Assumes the caller knows what it's doing! (host must support this)
4531 */
4532 case CPUMCPUIDFEATURE_LAHF:
4533 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4534 if ( !pLeaf
4535 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4536 {
4537 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4538 return;
4539 }
4540
4541 /* Valid for both Intel and AMD. */
4542 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4543 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4544 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4545 break;
4546
4547 /*
4548 * Set the page attribute table bit. This is alternative page level
4549 * cache control that doesn't much matter when everything is
4550 * virtualized, though it may when passing thru device memory.
4551 */
4552 case CPUMCPUIDFEATURE_PAT:
4553 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4554 if (pLeaf)
4555 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4556
4557 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4558 if ( pLeaf
4559 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4560 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4561
4562 pVM->cpum.s.GuestFeatures.fPat = 1;
4563 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4564 break;
4565
4566 /*
4567 * Set the RDTSCP support bit.
4568 * Assumes the caller knows what it's doing! (host must support this)
4569 */
4570 case CPUMCPUIDFEATURE_RDTSCP:
4571 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4572 if ( !pLeaf
4573 || !pVM->cpum.s.HostFeatures.fRdTscP
4574 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4575 {
4576 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4577 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4578 return;
4579 }
4580
4581 /* Valid for both Intel and AMD. */
4582 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4583 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4584 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4585 break;
4586
4587 /*
4588 * Set the Hypervisor Present bit in the standard feature mask.
4589 */
4590 case CPUMCPUIDFEATURE_HVP:
4591 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4592 if (pLeaf)
4593 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4594 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4595 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4596 break;
4597
4598 /*
4599 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4600 * This currently includes the Present bit and MWAITBREAK bit as well.
4601 */
4602 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4603 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4604 if ( !pLeaf
4605 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4606 {
4607 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4608 return;
4609 }
4610
4611 /* Valid for both Intel and AMD. */
4612 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4613 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4614 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4615 break;
4616
4617 /*
4618 * Set up the speculation control CPUID bits and MSRs. This is quite complicated
4619 * on Intel CPUs, and different on AMDs.
4620 */
4621 case CPUMCPUIDFEATURE_SPEC_CTRL:
4622 if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
4623 {
4624 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4625 if ( !pLeaf
4626 || !(pVM->cpum.s.HostFeatures.fIbpb || pVM->cpum.s.HostFeatures.fIbrs))
4627 {
4628 LogRel(("CPUM: WARNING! Can't turn on Speculation Control when the host doesn't support it!\n"));
4629 return;
4630 }
4631
4632 /* The feature can be enabled. Let's see what we can actually do. */
4633 pVM->cpum.s.GuestFeatures.fSpeculationControl = 1;
4634
4635 /* We will only expose STIBP if IBRS is present to keep things simpler (simple is not an option). */
4636 if (pVM->cpum.s.HostFeatures.fIbrs)
4637 {
4638 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB;
4639 pVM->cpum.s.GuestFeatures.fIbrs = 1;
4640 if (pVM->cpum.s.HostFeatures.fStibp)
4641 {
4642 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_STIBP;
4643 pVM->cpum.s.GuestFeatures.fStibp = 1;
4644 }
4645
4646 /* Make sure we have the speculation control MSR... */
4647 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_SPEC_CTRL);
4648 if (!pMsrRange)
4649 {
4650 static CPUMMSRRANGE const s_SpecCtrl =
4651 {
4652 /*.uFirst =*/ MSR_IA32_SPEC_CTRL, /*.uLast =*/ MSR_IA32_SPEC_CTRL,
4653 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32SpecCtrl, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32SpecCtrl,
4654 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4655 /*.szName = */ "IA32_SPEC_CTRL"
4656 };
4657 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4658 AssertLogRelRC(rc);
4659 }
4660
4661 /* ... and the predictor command MSR. */
4662 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_PRED_CMD);
4663 if (!pMsrRange)
4664 {
4665 static CPUMMSRRANGE const s_SpecCtrl =
4666 {
4667 /*.uFirst =*/ MSR_IA32_PRED_CMD, /*.uLast =*/ MSR_IA32_PRED_CMD,
4668 /*.enmRdFn =*/ kCpumMsrRdFn_WriteOnly, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32PredCmd,
4669 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4670 /*.szName = */ "IA32_PRED_CMD"
4671 };
4672 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4673 AssertLogRelRC(rc);
4674 }
4675
4676 }
4677
4678 if (pVM->cpum.s.HostFeatures.fArchCap) {
4679 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP;
4680
4681 /* Install the architectural capabilities MSR. */
4682 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_ARCH_CAPABILITIES);
4683 if (!pMsrRange)
4684 {
4685 static CPUMMSRRANGE const s_ArchCaps =
4686 {
4687 /*.uFirst =*/ MSR_IA32_ARCH_CAPABILITIES, /*.uLast =*/ MSR_IA32_ARCH_CAPABILITIES,
4688 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ArchCapabilities, /*.enmWrFn =*/ kCpumMsrWrFn_ReadOnly,
4689 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ UINT64_MAX,
4690 /*.szName = */ "IA32_ARCH_CAPABILITIES"
4691 };
4692 int rc = CPUMR3MsrRangesInsert(pVM, &s_ArchCaps);
4693 AssertLogRelRC(rc);
4694 }
4695 }
4696
4697 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Speculation Control.\n"));
4698 }
4699 else if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4700 {
4701 /* The precise details of AMD's implementation are not yet clear. */
4702 }
4703 break;
4704
4705 default:
4706 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4707 break;
4708 }
4709
4710 /** @todo can probably kill this as this API is now init time only... */
4711 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4712 {
4713 PVMCPU pVCpu = &pVM->aCpus[i];
4714 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4715 }
4716}
4717
4718
4719/**
4720 * Queries a CPUID feature bit.
4721 *
4722 * @returns boolean for feature presence
4723 * @param pVM The cross context VM structure.
4724 * @param enmFeature The feature to query.
4725 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4726 */
4727VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4728{
4729 switch (enmFeature)
4730 {
4731 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4732 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4733 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4734 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4735 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4736 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4737 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4738 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4739 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4740 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4741 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4742 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4743 case CPUMCPUIDFEATURE_SPEC_CTRL: return pVM->cpum.s.GuestFeatures.fSpeculationControl;
4744
4745 case CPUMCPUIDFEATURE_INVALID:
4746 case CPUMCPUIDFEATURE_32BIT_HACK:
4747 break;
4748 }
4749 AssertFailed();
4750 return false;
4751}
4752
4753
4754/**
4755 * Clears a CPUID feature bit.
4756 *
4757 * @param pVM The cross context VM structure.
4758 * @param enmFeature The feature to clear.
4759 *
4760 * @deprecated Probably better to default the feature to disabled and only allow
4761 * setting (enabling) it during construction.
4762 */
4763VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4764{
4765 PCPUMCPUIDLEAF pLeaf;
4766 switch (enmFeature)
4767 {
4768 case CPUMCPUIDFEATURE_APIC:
4769 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4770 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4771 if (pLeaf)
4772 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4773
4774 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4775 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4776 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4777
4778 pVM->cpum.s.GuestFeatures.fApic = 0;
4779 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4780 break;
4781
4782 case CPUMCPUIDFEATURE_X2APIC:
4783 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4784 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4785 if (pLeaf)
4786 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4787 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4788 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4789 break;
4790
4791 case CPUMCPUIDFEATURE_PAE:
4792 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4793 if (pLeaf)
4794 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4795
4796 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4797 if ( pLeaf
4798 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4799 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4800
4801 pVM->cpum.s.GuestFeatures.fPae = 0;
4802 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4803 break;
4804
4805 case CPUMCPUIDFEATURE_PAT:
4806 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4807 if (pLeaf)
4808 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4809
4810 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4811 if ( pLeaf
4812 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4813 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4814
4815 pVM->cpum.s.GuestFeatures.fPat = 0;
4816 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4817 break;
4818
4819 case CPUMCPUIDFEATURE_LONG_MODE:
4820 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4821 if (pLeaf)
4822 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4823 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4824 break;
4825
4826 case CPUMCPUIDFEATURE_LAHF:
4827 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4828 if (pLeaf)
4829 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4830 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4831 break;
4832
4833 case CPUMCPUIDFEATURE_RDTSCP:
4834 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4835 if (pLeaf)
4836 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4837 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4838 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4839 break;
4840
4841 case CPUMCPUIDFEATURE_HVP:
4842 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4843 if (pLeaf)
4844 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4845 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4846 break;
4847
4848 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4849 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4850 if (pLeaf)
4851 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4852 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4853 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4854 break;
4855
4856 case CPUMCPUIDFEATURE_SPEC_CTRL:
4857 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4858 if (pLeaf)
4859 /*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);
4860 pVM->cpum.s.GuestFeatures.fSpeculationControl = 0;
4861 Log(("CPUM: ClearGuestCpuIdFeature: Disabled speculation control!\n"));
4862 break;
4863
4864 default:
4865 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4866 break;
4867 }
4868
4869 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4870 {
4871 PVMCPU pVCpu = &pVM->aCpus[i];
4872 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4873 }
4874}
4875
4876
4877
4878/*
4879 *
4880 *
4881 * Saved state related code.
4882 * Saved state related code.
4883 * Saved state related code.
4884 *
4885 *
4886 */
4887
4888/**
4889 * Called both in pass 0 and the final pass.
4890 *
4891 * @param pVM The cross context VM structure.
4892 * @param pSSM The saved state handle.
4893 */
4894void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4895{
4896 /*
4897 * Save all the CPU ID leaves.
4898 */
4899 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4900 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4901 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4902 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4903
4904 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4905
4906 /*
4907 * Save a good portion of the raw CPU IDs as well as they may come in
4908 * handy when validating features for raw mode.
4909 */
4910 CPUMCPUID aRawStd[16];
4911 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4912 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4913 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4914 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4915
4916 CPUMCPUID aRawExt[32];
4917 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4918 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4919 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4920 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4921}
4922
4923
4924static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4925{
4926 uint32_t cCpuIds;
4927 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4928 if (RT_SUCCESS(rc))
4929 {
4930 if (cCpuIds < 64)
4931 {
4932 for (uint32_t i = 0; i < cCpuIds; i++)
4933 {
4934 CPUMCPUID CpuId;
4935 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4936 if (RT_FAILURE(rc))
4937 break;
4938
4939 CPUMCPUIDLEAF NewLeaf;
4940 NewLeaf.uLeaf = uBase + i;
4941 NewLeaf.uSubLeaf = 0;
4942 NewLeaf.fSubLeafMask = 0;
4943 NewLeaf.uEax = CpuId.uEax;
4944 NewLeaf.uEbx = CpuId.uEbx;
4945 NewLeaf.uEcx = CpuId.uEcx;
4946 NewLeaf.uEdx = CpuId.uEdx;
4947 NewLeaf.fFlags = 0;
4948 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4949 }
4950 }
4951 else
4952 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4953 }
4954 if (RT_FAILURE(rc))
4955 {
4956 RTMemFree(*ppaLeaves);
4957 *ppaLeaves = NULL;
4958 *pcLeaves = 0;
4959 }
4960 return rc;
4961}
4962
4963
4964static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4965{
4966 *ppaLeaves = NULL;
4967 *pcLeaves = 0;
4968
4969 int rc;
4970 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4971 {
4972 /*
4973 * The new format. Starts by declaring the leave size and count.
4974 */
4975 uint32_t cbLeaf;
4976 SSMR3GetU32(pSSM, &cbLeaf);
4977 uint32_t cLeaves;
4978 rc = SSMR3GetU32(pSSM, &cLeaves);
4979 if (RT_SUCCESS(rc))
4980 {
4981 if (cbLeaf == sizeof(**ppaLeaves))
4982 {
4983 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4984 {
4985 /*
4986 * Load the leaves one by one.
4987 *
4988 * The uPrev stuff is a kludge for working around a week worth of bad saved
4989 * states during the CPUID revamp in March 2015. We saved too many leaves
4990 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4991 * garbage entires at the end of the array when restoring. We also had
4992 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4993 * this kludge doesn't deal correctly with that, but who cares...
4994 */
4995 uint32_t uPrev = 0;
4996 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4997 {
4998 CPUMCPUIDLEAF Leaf;
4999 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
5000 if (RT_SUCCESS(rc))
5001 {
5002 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
5003 || Leaf.uLeaf >= uPrev)
5004 {
5005 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5006 uPrev = Leaf.uLeaf;
5007 }
5008 else
5009 uPrev = UINT32_MAX;
5010 }
5011 }
5012 }
5013 else
5014 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
5015 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
5016 }
5017 else
5018 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
5019 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
5020 }
5021 }
5022 else
5023 {
5024 /*
5025 * The old format with its three inflexible arrays.
5026 */
5027 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
5028 if (RT_SUCCESS(rc))
5029 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
5030 if (RT_SUCCESS(rc))
5031 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
5032 if (RT_SUCCESS(rc))
5033 {
5034 /*
5035 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
5036 */
5037 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
5038 if ( pLeaf
5039 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
5040 {
5041 CPUMCPUIDLEAF Leaf;
5042 Leaf.uLeaf = 4;
5043 Leaf.fSubLeafMask = UINT32_MAX;
5044 Leaf.uSubLeaf = 0;
5045 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
5046 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
5047 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
5048 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
5049 | UINT32_C(63); /* system coherency line size - 1 */
5050 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
5051 | (UINT32_C(0) << 14) /* threads per cache - 1 */
5052 | (UINT32_C(1) << 5) /* cache level */
5053 | UINT32_C(1); /* cache type (data) */
5054 Leaf.fFlags = 0;
5055 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5056 if (RT_SUCCESS(rc))
5057 {
5058 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
5059 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5060 }
5061 if (RT_SUCCESS(rc))
5062 {
5063 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
5064 Leaf.uEcx = 4095; /* sets - 1 */
5065 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
5066 Leaf.uEbx |= UINT32_C(23) << 22;
5067 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
5068 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
5069 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
5070 Leaf.uEax |= UINT32_C(2) << 5;
5071 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5072 }
5073 }
5074 }
5075 }
5076 return rc;
5077}
5078
5079
5080/**
5081 * Loads the CPU ID leaves saved by pass 0, inner worker.
5082 *
5083 * @returns VBox status code.
5084 * @param pVM The cross context VM structure.
5085 * @param pSSM The saved state handle.
5086 * @param uVersion The format version.
5087 * @param paLeaves Guest CPUID leaves loaded from the state.
5088 * @param cLeaves The number of leaves in @a paLeaves.
5089 */
5090int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
5091{
5092 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5093
5094 /*
5095 * Continue loading the state into stack buffers.
5096 */
5097 CPUMCPUID GuestDefCpuId;
5098 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
5099 AssertRCReturn(rc, rc);
5100
5101 CPUMCPUID aRawStd[16];
5102 uint32_t cRawStd;
5103 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
5104 if (cRawStd > RT_ELEMENTS(aRawStd))
5105 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5106 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
5107 AssertRCReturn(rc, rc);
5108 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
5109 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5110
5111 CPUMCPUID aRawExt[32];
5112 uint32_t cRawExt;
5113 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
5114 if (cRawExt > RT_ELEMENTS(aRawExt))
5115 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5116 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
5117 AssertRCReturn(rc, rc);
5118 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
5119 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5120
5121 /*
5122 * Get the raw CPU IDs for the current host.
5123 */
5124 CPUMCPUID aHostRawStd[16];
5125 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5126 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5127
5128 CPUMCPUID aHostRawExt[32];
5129 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5130 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5131 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5132
5133 /*
5134 * Get the host and guest overrides so we don't reject the state because
5135 * some feature was enabled thru these interfaces.
5136 * Note! We currently only need the feature leaves, so skip rest.
5137 */
5138 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5139 CPUMCPUID aHostOverrideStd[2];
5140 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5141 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5142
5143 CPUMCPUID aHostOverrideExt[2];
5144 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5145 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5146
5147 /*
5148 * This can be skipped.
5149 */
5150 bool fStrictCpuIdChecks;
5151 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5152
5153 /*
5154 * Define a bunch of macros for simplifying the santizing/checking code below.
5155 */
5156 /* Generic expression + failure message. */
5157#define CPUID_CHECK_RET(expr, fmt) \
5158 do { \
5159 if (!(expr)) \
5160 { \
5161 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5162 if (fStrictCpuIdChecks) \
5163 { \
5164 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5165 RTStrFree(pszMsg); \
5166 return rcCpuid; \
5167 } \
5168 LogRel(("CPUM: %s\n", pszMsg)); \
5169 RTStrFree(pszMsg); \
5170 } \
5171 } while (0)
5172#define CPUID_CHECK_WRN(expr, fmt) \
5173 do { \
5174 if (!(expr)) \
5175 LogRel(fmt); \
5176 } while (0)
5177
5178 /* For comparing two values and bitch if they differs. */
5179#define CPUID_CHECK2_RET(what, host, saved) \
5180 do { \
5181 if ((host) != (saved)) \
5182 { \
5183 if (fStrictCpuIdChecks) \
5184 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5185 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5186 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5187 } \
5188 } while (0)
5189#define CPUID_CHECK2_WRN(what, host, saved) \
5190 do { \
5191 if ((host) != (saved)) \
5192 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5193 } while (0)
5194
5195 /* For checking raw cpu features (raw mode). */
5196#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5197 do { \
5198 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5199 { \
5200 if (fStrictCpuIdChecks) \
5201 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5202 N_(#bit " mismatch: host=%d saved=%d"), \
5203 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5204 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5205 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5206 } \
5207 } while (0)
5208#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5209 do { \
5210 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5211 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5212 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5213 } while (0)
5214#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5215
5216 /* For checking guest features. */
5217#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5218 do { \
5219 if ( (aGuestCpuId##set [1].reg & bit) \
5220 && !(aHostRaw##set [1].reg & bit) \
5221 && !(aHostOverride##set [1].reg & bit) \
5222 ) \
5223 { \
5224 if (fStrictCpuIdChecks) \
5225 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5226 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5227 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5228 } \
5229 } while (0)
5230#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5231 do { \
5232 if ( (aGuestCpuId##set [1].reg & bit) \
5233 && !(aHostRaw##set [1].reg & bit) \
5234 && !(aHostOverride##set [1].reg & bit) \
5235 ) \
5236 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5237 } while (0)
5238#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5239 do { \
5240 if ( (aGuestCpuId##set [1].reg & bit) \
5241 && !(aHostRaw##set [1].reg & bit) \
5242 && !(aHostOverride##set [1].reg & bit) \
5243 ) \
5244 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5245 } while (0)
5246#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5247
5248 /* For checking guest features if AMD guest CPU. */
5249#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5250 do { \
5251 if ( (aGuestCpuId##set [1].reg & bit) \
5252 && fGuestAmd \
5253 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5254 && !(aHostOverride##set [1].reg & bit) \
5255 ) \
5256 { \
5257 if (fStrictCpuIdChecks) \
5258 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5259 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5260 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5261 } \
5262 } while (0)
5263#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5264 do { \
5265 if ( (aGuestCpuId##set [1].reg & bit) \
5266 && fGuestAmd \
5267 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5268 && !(aHostOverride##set [1].reg & bit) \
5269 ) \
5270 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5271 } while (0)
5272#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5273 do { \
5274 if ( (aGuestCpuId##set [1].reg & bit) \
5275 && fGuestAmd \
5276 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5277 && !(aHostOverride##set [1].reg & bit) \
5278 ) \
5279 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5280 } while (0)
5281#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5282
5283 /* For checking AMD features which have a corresponding bit in the standard
5284 range. (Intel defines very few bits in the extended feature sets.) */
5285#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5286 do { \
5287 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5288 && !(fHostAmd \
5289 ? aHostRawExt[1].reg & (ExtBit) \
5290 : aHostRawStd[1].reg & (StdBit)) \
5291 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5292 ) \
5293 { \
5294 if (fStrictCpuIdChecks) \
5295 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5296 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5297 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5298 } \
5299 } while (0)
5300#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5301 do { \
5302 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5303 && !(fHostAmd \
5304 ? aHostRawExt[1].reg & (ExtBit) \
5305 : aHostRawStd[1].reg & (StdBit)) \
5306 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5307 ) \
5308 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5309 } while (0)
5310#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5311 do { \
5312 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5313 && !(fHostAmd \
5314 ? aHostRawExt[1].reg & (ExtBit) \
5315 : aHostRawStd[1].reg & (StdBit)) \
5316 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5317 ) \
5318 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5319 } while (0)
5320#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5321
5322 /*
5323 * For raw-mode we'll require that the CPUs are very similar since we don't
5324 * intercept CPUID instructions for user mode applications.
5325 */
5326 if (VM_IS_RAW_MODE_ENABLED(pVM))
5327 {
5328 /* CPUID(0) */
5329 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5330 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5331 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5332 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5333 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5334 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5335 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5336 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5337 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5338
5339 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5340
5341 /* CPUID(1).eax */
5342 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5343 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5344 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5345
5346 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5347 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5348 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5349
5350 /* CPUID(1).ecx */
5351 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5352 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5353 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5354 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5355 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5356 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5357 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5358 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5359 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5360 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5361 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5362 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5363 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5364 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5365 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5366 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5367 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5368 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5369 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5370 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5371 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5372 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5373 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5374 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5375 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5376 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5377 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5378 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5379 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5380 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5381 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5382 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5383
5384 /* CPUID(1).edx */
5385 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5386 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5387 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5388 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5389 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5390 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5391 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5392 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5393 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5394 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5395 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5396 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5397 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5398 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5399 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5400 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5401 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5402 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5403 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5404 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5405 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5406 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5407 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5408 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5409 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5410 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5411 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5412 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5413 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5414 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5415 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5416 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5417
5418 /* CPUID(2) - config, mostly about caches. ignore. */
5419 /* CPUID(3) - processor serial number. ignore. */
5420 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5421 /* CPUID(5) - mwait/monitor config. ignore. */
5422 /* CPUID(6) - power management. ignore. */
5423 /* CPUID(7) - ???. ignore. */
5424 /* CPUID(8) - ???. ignore. */
5425 /* CPUID(9) - DCA. ignore for now. */
5426 /* CPUID(a) - PeMo info. ignore for now. */
5427 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5428
5429 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5430 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5431 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5432 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5433 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5434 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5435 {
5436 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5437 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5438 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5439/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5440 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5441 }
5442
5443 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5444 Note! Intel have/is marking many of the fields here as reserved. We
5445 will verify them as if it's an AMD CPU. */
5446 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5447 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5448 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5449 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5450 {
5451 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5452 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5453 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5454 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5455 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5456 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5457 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5458
5459 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5460 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5461 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5462 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5463 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5464 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5465
5466 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5467 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5468 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5469 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5470
5471 /* CPUID(0x80000001).ecx */
5472 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5473 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5474 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5475 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5476 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5477 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5478 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5479 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5480 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5481 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5482 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5483 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5484 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5485 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5486 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5487 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5488 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5489 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5490 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5491 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5492 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5493 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5494 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5495 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5496 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5497 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5498 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5499 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5500 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5501 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5502 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5503 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5504
5505 /* CPUID(0x80000001).edx */
5506 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5507 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5508 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5509 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5510 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5511 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5512 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5513 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5514 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5515 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5516 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5517 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5518 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5519 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5520 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5521 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5522 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5523 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5524 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5525 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5526 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5527 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5528 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5529 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5530 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5531 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5532 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5533 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5534 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5535 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5536 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5537 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5538
5539 /** @todo verify the rest as well. */
5540 }
5541 }
5542
5543
5544
5545 /*
5546 * Verify that we can support the features already exposed to the guest on
5547 * this host.
5548 *
5549 * Most of the features we're emulating requires intercepting instruction
5550 * and doing it the slow way, so there is no need to warn when they aren't
5551 * present in the host CPU. Thus we use IGN instead of EMU on these.
5552 *
5553 * Trailing comments:
5554 * "EMU" - Possible to emulate, could be lots of work and very slow.
5555 * "EMU?" - Can this be emulated?
5556 */
5557 CPUMCPUID aGuestCpuIdStd[2];
5558 RT_ZERO(aGuestCpuIdStd);
5559 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5560
5561 /* CPUID(1).ecx */
5562 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5563 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5564 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5565 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5566 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5567 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5568 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5569 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5570 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5571 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5572 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5573 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5574 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5575 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5576 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5577 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5578 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5579 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5580 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5581 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5582 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5583 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5584 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5585 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5586 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5587 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5588 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5589 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5590 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5591 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5592 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5593 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5594
5595 /* CPUID(1).edx */
5596 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5597 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5598 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5599 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5600 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5601 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5602 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5603 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5604 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5605 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5606 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5607 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5608 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5609 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5610 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5611 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5612 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5613 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5614 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5615 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5616 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5617 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5618 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5619 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5620 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5621 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5622 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5623 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5624 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5625 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5626 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5627 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5628
5629 /* CPUID(0x80000000). */
5630 CPUMCPUID aGuestCpuIdExt[2];
5631 RT_ZERO(aGuestCpuIdExt);
5632 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5633 {
5634 /** @todo deal with no 0x80000001 on the host. */
5635 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5636 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5637
5638 /* CPUID(0x80000001).ecx */
5639 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5640 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5641 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5642 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5643 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5644 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5645 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5646 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5647 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5648 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5649 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5650 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5651 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5652 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5653 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5654 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5655 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5656 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5657 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5658 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5659 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5660 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5661 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5662 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5663 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5664 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5665 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5666 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5667 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5668 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5669 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5670 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5671
5672 /* CPUID(0x80000001).edx */
5673 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5674 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5675 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5676 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5677 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5678 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5679 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5680 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5681 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5682 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5683 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5684 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5685 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5686 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5687 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5688 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5689 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5690 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5691 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5692 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5693 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5694 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5695 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5696 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5697 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5698 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5699 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5700 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5701 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5702 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5703 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5704 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5705 }
5706
5707 /** @todo check leaf 7 */
5708
5709 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5710 * ECX=0: EAX - Valid bits in XCR0[31:0].
5711 * EBX - Maximum state size as per current XCR0 value.
5712 * ECX - Maximum state size for all supported features.
5713 * EDX - Valid bits in XCR0[63:32].
5714 * ECX=1: EAX - Various X-features.
5715 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5716 * ECX - Valid bits in IA32_XSS[31:0].
5717 * EDX - Valid bits in IA32_XSS[63:32].
5718 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5719 * if the bit invalid all four registers are set to zero.
5720 * EAX - The state size for this feature.
5721 * EBX - The state byte offset of this feature.
5722 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5723 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5724 */
5725 uint64_t fGuestXcr0Mask = 0;
5726 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5727 if ( pCurLeaf
5728 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5729 && ( pCurLeaf->uEax
5730 || pCurLeaf->uEbx
5731 || pCurLeaf->uEcx
5732 || pCurLeaf->uEdx) )
5733 {
5734 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5735 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5736 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5737 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5738 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5739 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5740 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5741 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5742
5743 /* We don't support any additional features yet. */
5744 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5745 if (pCurLeaf && pCurLeaf->uEax)
5746 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5747 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5748 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5749 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5750 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5751 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5752
5753
5754 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5755 {
5756 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5757 if (pCurLeaf)
5758 {
5759 /* If advertised, the state component offset and size must match the one used by host. */
5760 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5761 {
5762 CPUMCPUID RawHost;
5763 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5764 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5765 if ( RawHost.uEbx != pCurLeaf->uEbx
5766 || RawHost.uEax != pCurLeaf->uEax)
5767 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5768 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5769 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5770 }
5771 }
5772 }
5773 }
5774 /* Clear leaf 0xd just in case we're loading an old state... */
5775 else if (pCurLeaf)
5776 {
5777 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5778 {
5779 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5780 if (pCurLeaf)
5781 {
5782 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5783 || ( pCurLeaf->uEax == 0
5784 && pCurLeaf->uEbx == 0
5785 && pCurLeaf->uEcx == 0
5786 && pCurLeaf->uEdx == 0),
5787 ("uVersion=%#x; %#x %#x %#x %#x\n",
5788 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5789 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5790 }
5791 }
5792 }
5793
5794 /* Update the fXStateGuestMask value for the VM. */
5795 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5796 {
5797 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5798 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5799 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5800 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5801 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5802 }
5803
5804#undef CPUID_CHECK_RET
5805#undef CPUID_CHECK_WRN
5806#undef CPUID_CHECK2_RET
5807#undef CPUID_CHECK2_WRN
5808#undef CPUID_RAW_FEATURE_RET
5809#undef CPUID_RAW_FEATURE_WRN
5810#undef CPUID_RAW_FEATURE_IGN
5811#undef CPUID_GST_FEATURE_RET
5812#undef CPUID_GST_FEATURE_WRN
5813#undef CPUID_GST_FEATURE_EMU
5814#undef CPUID_GST_FEATURE_IGN
5815#undef CPUID_GST_FEATURE2_RET
5816#undef CPUID_GST_FEATURE2_WRN
5817#undef CPUID_GST_FEATURE2_EMU
5818#undef CPUID_GST_FEATURE2_IGN
5819#undef CPUID_GST_AMD_FEATURE_RET
5820#undef CPUID_GST_AMD_FEATURE_WRN
5821#undef CPUID_GST_AMD_FEATURE_EMU
5822#undef CPUID_GST_AMD_FEATURE_IGN
5823
5824 /*
5825 * We're good, commit the CPU ID leaves.
5826 */
5827 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5828 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5829 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5830 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5831 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5832 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5833 AssertLogRelRCReturn(rc, rc);
5834
5835 return VINF_SUCCESS;
5836}
5837
5838
5839/**
5840 * Loads the CPU ID leaves saved by pass 0.
5841 *
5842 * @returns VBox status code.
5843 * @param pVM The cross context VM structure.
5844 * @param pSSM The saved state handle.
5845 * @param uVersion The format version.
5846 */
5847int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5848{
5849 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5850
5851 /*
5852 * Load the CPUID leaves array first and call worker to do the rest, just so
5853 * we can free the memory when we need to without ending up in column 1000.
5854 */
5855 PCPUMCPUIDLEAF paLeaves;
5856 uint32_t cLeaves;
5857 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5858 AssertRC(rc);
5859 if (RT_SUCCESS(rc))
5860 {
5861 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5862 RTMemFree(paLeaves);
5863 }
5864 return rc;
5865}
5866
5867
5868
5869/**
5870 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5871 *
5872 * @returns VBox status code.
5873 * @param pVM The cross context VM structure.
5874 * @param pSSM The saved state handle.
5875 * @param uVersion The format version.
5876 */
5877int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5878{
5879 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5880
5881 /*
5882 * Restore the CPUID leaves.
5883 *
5884 * Note that we support restoring less than the current amount of standard
5885 * leaves because we've been allowed more is newer version of VBox.
5886 */
5887 uint32_t cElements;
5888 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5889 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5890 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5891 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5892
5893 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5894 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5895 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5896 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5897
5898 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5899 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5900 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5901 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5902
5903 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5904
5905 /*
5906 * Check that the basic cpuid id information is unchanged.
5907 */
5908 /** @todo we should check the 64 bits capabilities too! */
5909 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5910 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5911 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5912 uint32_t au32CpuIdSaved[8];
5913 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5914 if (RT_SUCCESS(rc))
5915 {
5916 /* Ignore CPU stepping. */
5917 au32CpuId[4] &= 0xfffffff0;
5918 au32CpuIdSaved[4] &= 0xfffffff0;
5919
5920 /* Ignore APIC ID (AMD specs). */
5921 au32CpuId[5] &= ~0xff000000;
5922 au32CpuIdSaved[5] &= ~0xff000000;
5923
5924 /* Ignore the number of Logical CPUs (AMD specs). */
5925 au32CpuId[5] &= ~0x00ff0000;
5926 au32CpuIdSaved[5] &= ~0x00ff0000;
5927
5928 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5929 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5930 | X86_CPUID_FEATURE_ECX_VMX
5931 | X86_CPUID_FEATURE_ECX_SMX
5932 | X86_CPUID_FEATURE_ECX_EST
5933 | X86_CPUID_FEATURE_ECX_TM2
5934 | X86_CPUID_FEATURE_ECX_CNTXID
5935 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5936 | X86_CPUID_FEATURE_ECX_PDCM
5937 | X86_CPUID_FEATURE_ECX_DCA
5938 | X86_CPUID_FEATURE_ECX_X2APIC
5939 );
5940 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5941 | X86_CPUID_FEATURE_ECX_VMX
5942 | X86_CPUID_FEATURE_ECX_SMX
5943 | X86_CPUID_FEATURE_ECX_EST
5944 | X86_CPUID_FEATURE_ECX_TM2
5945 | X86_CPUID_FEATURE_ECX_CNTXID
5946 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5947 | X86_CPUID_FEATURE_ECX_PDCM
5948 | X86_CPUID_FEATURE_ECX_DCA
5949 | X86_CPUID_FEATURE_ECX_X2APIC
5950 );
5951
5952 /* Make sure we don't forget to update the masks when enabling
5953 * features in the future.
5954 */
5955 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5956 ( X86_CPUID_FEATURE_ECX_DTES64
5957 | X86_CPUID_FEATURE_ECX_VMX
5958 | X86_CPUID_FEATURE_ECX_SMX
5959 | X86_CPUID_FEATURE_ECX_EST
5960 | X86_CPUID_FEATURE_ECX_TM2
5961 | X86_CPUID_FEATURE_ECX_CNTXID
5962 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5963 | X86_CPUID_FEATURE_ECX_PDCM
5964 | X86_CPUID_FEATURE_ECX_DCA
5965 | X86_CPUID_FEATURE_ECX_X2APIC
5966 )));
5967 /* do the compare */
5968 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5969 {
5970 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5971 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5972 "Saved=%.*Rhxs\n"
5973 "Real =%.*Rhxs\n",
5974 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5975 sizeof(au32CpuId), au32CpuId));
5976 else
5977 {
5978 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5979 "Saved=%.*Rhxs\n"
5980 "Real =%.*Rhxs\n",
5981 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5982 sizeof(au32CpuId), au32CpuId));
5983 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5984 }
5985 }
5986 }
5987
5988 return rc;
5989}
5990
5991
5992
5993/*
5994 *
5995 *
5996 * CPUID Info Handler.
5997 * CPUID Info Handler.
5998 * CPUID Info Handler.
5999 *
6000 *
6001 */
6002
6003
6004
6005/**
6006 * Get L1 cache / TLS associativity.
6007 */
6008static const char *getCacheAss(unsigned u, char *pszBuf)
6009{
6010 if (u == 0)
6011 return "res0 ";
6012 if (u == 1)
6013 return "direct";
6014 if (u == 255)
6015 return "fully";
6016 if (u >= 256)
6017 return "???";
6018
6019 RTStrPrintf(pszBuf, 16, "%d way", u);
6020 return pszBuf;
6021}
6022
6023
6024/**
6025 * Get L2 cache associativity.
6026 */
6027const char *getL2CacheAss(unsigned u)
6028{
6029 switch (u)
6030 {
6031 case 0: return "off ";
6032 case 1: return "direct";
6033 case 2: return "2 way ";
6034 case 3: return "res3 ";
6035 case 4: return "4 way ";
6036 case 5: return "res5 ";
6037 case 6: return "8 way ";
6038 case 7: return "res7 ";
6039 case 8: return "16 way";
6040 case 9: return "res9 ";
6041 case 10: return "res10 ";
6042 case 11: return "res11 ";
6043 case 12: return "res12 ";
6044 case 13: return "res13 ";
6045 case 14: return "res14 ";
6046 case 15: return "fully ";
6047 default: return "????";
6048 }
6049}
6050
6051
6052/** CPUID(1).EDX field descriptions. */
6053static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
6054{
6055 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6056 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6057 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6058 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6059 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6060 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
6061 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6062 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6063 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6064 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6065 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
6066 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6067 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6068 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6069 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6070 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6071 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6072 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
6073 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
6074 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
6075 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
6076 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6077 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
6078 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
6079 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
6080 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
6081 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
6082 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
6083 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
6084 DBGFREGSUBFIELD_TERMINATOR()
6085};
6086
6087/** CPUID(1).ECX field descriptions. */
6088static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
6089{
6090 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
6091 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
6092 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
6093 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
6094 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
6095 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
6096 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
6097 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
6098 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
6099 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
6100 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
6101 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
6102 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
6103 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
6104 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
6105 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
6106 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
6107 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
6108 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
6109 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
6110 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
6111 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
6112 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
6113 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
6114 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
6115 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
6116 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
6117 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
6118 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
6119 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6120 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6121 DBGFREGSUBFIELD_TERMINATOR()
6122};
6123
6124/** CPUID(7,0).EBX field descriptions. */
6125static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6126{
6127 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6128 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6129 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6130 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6131 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6132 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6133 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6134 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6135 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6136 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6137 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6138 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6139 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6140 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6141 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6142 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6143 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6144 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6145 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6146 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6147 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6148 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6149 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6150 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6151 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6152 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6153 DBGFREGSUBFIELD_TERMINATOR()
6154};
6155
6156/** CPUID(7,0).ECX field descriptions. */
6157static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6158{
6159 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6160 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6161 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6162 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6163 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6164 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6165 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6166 DBGFREGSUBFIELD_TERMINATOR()
6167};
6168
6169/** CPUID(7,0).EDX field descriptions. */
6170static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6171{
6172 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6173 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6174 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6175 DBGFREGSUBFIELD_TERMINATOR()
6176};
6177
6178
6179/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6180static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6181{
6182 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6183 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6184 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6185 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6186 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6187 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6188 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6189 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6190 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6191 DBGFREGSUBFIELD_TERMINATOR()
6192};
6193
6194/** CPUID(13,1).EAX field descriptions. */
6195static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6196{
6197 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6198 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6199 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6200 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6201 DBGFREGSUBFIELD_TERMINATOR()
6202};
6203
6204
6205/** CPUID(0x80000001,0).EDX field descriptions. */
6206static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6207{
6208 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6209 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6210 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6211 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6212 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6213 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6214 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6215 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6216 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6217 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6218 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6219 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6220 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6221 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6222 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6223 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6224 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6225 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6226 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6227 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6228 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6229 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6230 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6231 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6232 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6233 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6234 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6235 DBGFREGSUBFIELD_TERMINATOR()
6236};
6237
6238/** CPUID(0x80000001,0).ECX field descriptions. */
6239static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6240{
6241 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6242 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6243 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6244 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6245 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6246 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6247 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6248 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6249 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6250 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6251 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6252 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6253 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6254 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6255 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6256 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6257 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6258 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6259 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6260 DBGFREGSUBFIELD_RO("PRFEXTCORE\0" "Performance Counter Extensions support", 23, 1, 0),
6261 DBGFREGSUBFIELD_RO("PRFEXTNB\0" "NB Performance Counter Extensions support", 24, 1, 0),
6262 DBGFREGSUBFIELD_RO("DATABPEXT\0" "Data-access Breakpoint Extension", 26, 1, 0),
6263 DBGFREGSUBFIELD_RO("PERFTSC\0" "Performance Time Stamp Counter", 27, 1, 0),
6264 DBGFREGSUBFIELD_TERMINATOR()
6265};
6266
6267/** CPUID(0x8000000a,0).EDX field descriptions. */
6268static DBGFREGSUBFIELD const g_aExtLeafAEdxSubFields[] =
6269{
6270 DBGFREGSUBFIELD_RO("NP\0" "Nested Paging", 0, 1, 0),
6271 DBGFREGSUBFIELD_RO("LbrVirt\0" "Last Branch Record Virtualization", 1, 1, 0),
6272 DBGFREGSUBFIELD_RO("SVML\0" "SVM Lock", 2, 1, 0),
6273 DBGFREGSUBFIELD_RO("NRIPS\0" "NextRIP Save", 3, 1, 0),
6274 DBGFREGSUBFIELD_RO("TscRateMsr\0" "MSR based TSC rate control", 4, 1, 0),
6275 DBGFREGSUBFIELD_RO("VmcbClean\0" "VMCB clean bits", 5, 1, 0),
6276 DBGFREGSUBFIELD_RO("FlushByASID\0" "Flush by ASID", 6, 1, 0),
6277 DBGFREGSUBFIELD_RO("DecodeAssists\0" "Decode Assists", 7, 1, 0),
6278 DBGFREGSUBFIELD_RO("PauseFilter\0" "Pause intercept filter", 10, 1, 0),
6279 DBGFREGSUBFIELD_RO("PauseFilterThreshold\0" "Pause filter threshold", 12, 1, 0),
6280 DBGFREGSUBFIELD_RO("AVIC\0" "Advanced Virtual Interrupt Controller", 13, 1, 0),
6281 DBGFREGSUBFIELD_RO("VMSAVEVirt\0" "VMSAVE and VMLOAD Virtualization", 15, 1, 0),
6282 DBGFREGSUBFIELD_RO("VGIF\0" "Virtual Global-Interrupt Flag", 16, 1, 0),
6283 DBGFREGSUBFIELD_TERMINATOR()
6284};
6285
6286
6287/** CPUID(0x80000007,0).EDX field descriptions. */
6288static DBGFREGSUBFIELD const g_aExtLeaf7EdxSubFields[] =
6289{
6290 DBGFREGSUBFIELD_RO("TS\0" "Temperature Sensor", 0, 1, 0),
6291 DBGFREGSUBFIELD_RO("FID\0" "Frequency ID control", 1, 1, 0),
6292 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6293 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6294 DBGFREGSUBFIELD_RO("TTP\0" "Thermal Trip", 3, 1, 0),
6295 DBGFREGSUBFIELD_RO("TM\0" "Hardware Thermal Control (HTC)", 4, 1, 0),
6296 DBGFREGSUBFIELD_RO("100MHzSteps\0" "100 MHz Multiplier control", 6, 1, 0),
6297 DBGFREGSUBFIELD_RO("HwPstate\0" "Hardware P-state control", 7, 1, 0),
6298 DBGFREGSUBFIELD_RO("TscInvariant\0" "Invariant Time Stamp Counter", 8, 1, 0),
6299 DBGFREGSUBFIELD_RO("CBP\0" "Core Performance Boost", 9, 1, 0),
6300 DBGFREGSUBFIELD_RO("EffFreqRO\0" "Read-only Effective Frequency Interface", 10, 1, 0),
6301 DBGFREGSUBFIELD_RO("ProcFdbkIf\0" "Processor Feedback Interface", 11, 1, 0),
6302 DBGFREGSUBFIELD_RO("ProcPwrRep\0" "Core power reporting interface support", 12, 1, 0),
6303 DBGFREGSUBFIELD_TERMINATOR()
6304};
6305
6306/** CPUID(0x80000008,0).EBX field descriptions. */
6307static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6308{
6309 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6310 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6311 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6312 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6313 DBGFREGSUBFIELD_TERMINATOR()
6314};
6315
6316
6317static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6318 const char *pszLeadIn, uint32_t cchWidth)
6319{
6320 if (pszLeadIn)
6321 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6322
6323 for (uint32_t iBit = 0; iBit < 32; iBit++)
6324 if (RT_BIT_32(iBit) & uVal)
6325 {
6326 while ( pDesc->pszName != NULL
6327 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6328 pDesc++;
6329 if ( pDesc->pszName != NULL
6330 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6331 {
6332 if (pDesc->cBits == 1)
6333 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6334 else
6335 {
6336 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6337 if (pDesc->cBits < 32)
6338 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6339 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6340 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6341 }
6342 }
6343 else
6344 pHlp->pfnPrintf(pHlp, " %u", iBit);
6345 }
6346 if (pszLeadIn)
6347 pHlp->pfnPrintf(pHlp, "\n");
6348}
6349
6350
6351static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6352 const char *pszLeadIn, uint32_t cchWidth)
6353{
6354 if (pszLeadIn)
6355 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6356
6357 for (uint32_t iBit = 0; iBit < 64; iBit++)
6358 if (RT_BIT_64(iBit) & uVal)
6359 {
6360 while ( pDesc->pszName != NULL
6361 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6362 pDesc++;
6363 if ( pDesc->pszName != NULL
6364 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6365 {
6366 if (pDesc->cBits == 1)
6367 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6368 else
6369 {
6370 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6371 if (pDesc->cBits < 64)
6372 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6373 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6374 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6375 }
6376 }
6377 else
6378 pHlp->pfnPrintf(pHlp, " %u", iBit);
6379 }
6380 if (pszLeadIn)
6381 pHlp->pfnPrintf(pHlp, "\n");
6382}
6383
6384
6385static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6386 const char *pszLeadIn, uint32_t cchWidth)
6387{
6388 if (!uVal)
6389 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6390 else
6391 {
6392 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6393 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6394 pHlp->pfnPrintf(pHlp, " )\n");
6395 }
6396}
6397
6398
6399static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6400 uint32_t cchWidth)
6401{
6402 uint32_t uCombined = uVal1 | uVal2;
6403 for (uint32_t iBit = 0; iBit < 32; iBit++)
6404 if ( (RT_BIT_32(iBit) & uCombined)
6405 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6406 {
6407 while ( pDesc->pszName != NULL
6408 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6409 pDesc++;
6410
6411 if ( pDesc->pszName != NULL
6412 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6413 {
6414 size_t cchMnemonic = strlen(pDesc->pszName);
6415 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6416 size_t cchDesc = strlen(pszDesc);
6417 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6418 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6419 if (pDesc->cBits < 32)
6420 {
6421 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6422 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6423 }
6424
6425 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6426 pDesc->pszName, pszDesc,
6427 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6428 uFieldValue1, uFieldValue2);
6429
6430 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6431 pDesc++;
6432 }
6433 else
6434 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6435 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6436 }
6437}
6438
6439
6440/**
6441 * Produces a detailed summary of standard leaf 0x00000001.
6442 *
6443 * @param pHlp The info helper functions.
6444 * @param pCurLeaf The 0x00000001 leaf.
6445 * @param fVerbose Whether to be very verbose or not.
6446 * @param fIntel Set if intel CPU.
6447 */
6448static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6449{
6450 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6451 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6452 uint32_t uEAX = pCurLeaf->uEax;
6453 uint32_t uEBX = pCurLeaf->uEbx;
6454
6455 pHlp->pfnPrintf(pHlp,
6456 "%36s %2d \tExtended: %d \tEffective: %d\n"
6457 "%36s %2d \tExtended: %d \tEffective: %d\n"
6458 "%36s %d\n"
6459 "%36s %d (%s)\n"
6460 "%36s %#04x\n"
6461 "%36s %d\n"
6462 "%36s %d\n"
6463 "%36s %#04x\n"
6464 ,
6465 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6466 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6467 "Stepping:", ASMGetCpuStepping(uEAX),
6468 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6469 "APIC ID:", (uEBX >> 24) & 0xff,
6470 "Logical CPUs:",(uEBX >> 16) & 0xff,
6471 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6472 "Brand ID:", (uEBX >> 0) & 0xff);
6473 if (fVerbose)
6474 {
6475 CPUMCPUID Host;
6476 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6477 pHlp->pfnPrintf(pHlp, "Features\n");
6478 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6479 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6480 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6481 }
6482 else
6483 {
6484 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6485 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6486 }
6487}
6488
6489
6490/**
6491 * Produces a detailed summary of standard leaf 0x00000007.
6492 *
6493 * @param pHlp The info helper functions.
6494 * @param paLeaves The CPUID leaves array.
6495 * @param cLeaves The number of leaves in the array.
6496 * @param pCurLeaf The first 0x00000007 leaf.
6497 * @param fVerbose Whether to be very verbose or not.
6498 */
6499static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6500 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6501{
6502 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6503 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6504 for (;;)
6505 {
6506 CPUMCPUID Host;
6507 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6508
6509 switch (pCurLeaf->uSubLeaf)
6510 {
6511 case 0:
6512 if (fVerbose)
6513 {
6514 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6515 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6516 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6517 if (pCurLeaf->uEdx || Host.uEdx)
6518 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6519 }
6520 else
6521 {
6522 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6523 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6524 if (pCurLeaf->uEdx)
6525 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6526 }
6527 break;
6528
6529 default:
6530 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6531 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6532 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6533 break;
6534
6535 }
6536
6537 /* advance. */
6538 pCurLeaf++;
6539 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6540 || pCurLeaf->uLeaf != 0x7)
6541 break;
6542 }
6543}
6544
6545
6546/**
6547 * Produces a detailed summary of standard leaf 0x0000000d.
6548 *
6549 * @param pHlp The info helper functions.
6550 * @param paLeaves The CPUID leaves array.
6551 * @param cLeaves The number of leaves in the array.
6552 * @param pCurLeaf The first 0x00000007 leaf.
6553 * @param fVerbose Whether to be very verbose or not.
6554 */
6555static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6556 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6557{
6558 RT_NOREF_PV(fVerbose);
6559 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6560 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6561 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6562 {
6563 CPUMCPUID Host;
6564 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6565
6566 switch (uSubLeaf)
6567 {
6568 case 0:
6569 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6570 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6571 pCurLeaf->uEbx, pCurLeaf->uEcx);
6572 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6573
6574 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6575 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6576 "Valid XCR0 bits, guest:", 42);
6577 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6578 "Valid XCR0 bits, host:", 42);
6579 break;
6580
6581 case 1:
6582 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6583 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6584 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6585
6586 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6587 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6588 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6589
6590 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6591 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6592 " Valid IA32_XSS bits, guest:", 42);
6593 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6594 " Valid IA32_XSS bits, host:", 42);
6595 break;
6596
6597 default:
6598 if ( pCurLeaf
6599 && pCurLeaf->uSubLeaf == uSubLeaf
6600 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6601 {
6602 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6603 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6604 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6605 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6606 if (pCurLeaf->uEdx)
6607 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6608 pHlp->pfnPrintf(pHlp, " --");
6609 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6610 pHlp->pfnPrintf(pHlp, "\n");
6611 }
6612 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6613 {
6614 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6615 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6616 if (Host.uEcx & ~RT_BIT_32(0))
6617 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6618 if (Host.uEdx)
6619 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6620 pHlp->pfnPrintf(pHlp, " --");
6621 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6622 pHlp->pfnPrintf(pHlp, "\n");
6623 }
6624 break;
6625
6626 }
6627
6628 /* advance. */
6629 if (pCurLeaf)
6630 {
6631 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6632 && pCurLeaf->uSubLeaf <= uSubLeaf
6633 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6634 pCurLeaf++;
6635 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6636 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6637 pCurLeaf = NULL;
6638 }
6639 }
6640}
6641
6642
6643static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6644 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6645{
6646 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6647 && pCurLeaf->uLeaf <= uUpToLeaf)
6648 {
6649 pHlp->pfnPrintf(pHlp,
6650 " %s\n"
6651 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6652 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6653 && pCurLeaf->uLeaf <= uUpToLeaf)
6654 {
6655 CPUMCPUID Host;
6656 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6657 pHlp->pfnPrintf(pHlp,
6658 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6659 "Hst: %08x %08x %08x %08x\n",
6660 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6661 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6662 pCurLeaf++;
6663 }
6664 }
6665
6666 return pCurLeaf;
6667}
6668
6669
6670/**
6671 * Display the guest CpuId leaves.
6672 *
6673 * @param pVM The cross context VM structure.
6674 * @param pHlp The info helper functions.
6675 * @param pszArgs "terse", "default" or "verbose".
6676 */
6677DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6678{
6679 /*
6680 * Parse the argument.
6681 */
6682 unsigned iVerbosity = 1;
6683 if (pszArgs)
6684 {
6685 pszArgs = RTStrStripL(pszArgs);
6686 if (!strcmp(pszArgs, "terse"))
6687 iVerbosity--;
6688 else if (!strcmp(pszArgs, "verbose"))
6689 iVerbosity++;
6690 }
6691
6692 uint32_t uLeaf;
6693 CPUMCPUID Host;
6694 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6695 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6696 PCCPUMCPUIDLEAF pCurLeaf;
6697 PCCPUMCPUIDLEAF pNextLeaf;
6698 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6699 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6700 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6701
6702 /*
6703 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6704 */
6705 uint32_t cHstMax = ASMCpuId_EAX(0);
6706 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6707 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6708 pHlp->pfnPrintf(pHlp,
6709 " Raw Standard CPUID Leaves\n"
6710 " Leaf/sub-leaf eax ebx ecx edx\n");
6711 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6712 {
6713 uint32_t cMaxSubLeaves = 1;
6714 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6715 cMaxSubLeaves = 16;
6716 else if (uLeaf == 0xd)
6717 cMaxSubLeaves = 128;
6718
6719 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6720 {
6721 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6722 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6723 && pCurLeaf->uLeaf == uLeaf
6724 && pCurLeaf->uSubLeaf == uSubLeaf)
6725 {
6726 pHlp->pfnPrintf(pHlp,
6727 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6728 "Hst: %08x %08x %08x %08x\n",
6729 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6730 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6731 pCurLeaf++;
6732 }
6733 else if ( uLeaf != 0xd
6734 || uSubLeaf <= 1
6735 || Host.uEbx != 0 )
6736 pHlp->pfnPrintf(pHlp,
6737 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6738 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6739
6740 /* Done? */
6741 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6742 || pCurLeaf->uLeaf != uLeaf)
6743 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6744 || (uLeaf == 0x7 && Host.uEax == 0)
6745 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6746 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6747 || (uLeaf == 0xd && uSubLeaf >= 128)
6748 )
6749 )
6750 break;
6751 }
6752 }
6753 pNextLeaf = pCurLeaf;
6754
6755 /*
6756 * If verbose, decode it.
6757 */
6758 if (iVerbosity && paLeaves[0].uLeaf == 0)
6759 pHlp->pfnPrintf(pHlp,
6760 "%36s %.04s%.04s%.04s\n"
6761 "%36s 0x00000000-%#010x\n"
6762 ,
6763 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6764 "Supports:", paLeaves[0].uEax);
6765
6766 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6767 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6768
6769 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6770 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6771
6772 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6773 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6774
6775 pCurLeaf = pNextLeaf;
6776
6777 /*
6778 * Hypervisor leaves.
6779 *
6780 * Unlike most of the other leaves reported, the guest hypervisor leaves
6781 * aren't a subset of the host CPUID bits.
6782 */
6783 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6784
6785 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6786 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6787 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6788 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6789 cMax = RT_MAX(cHstMax, cGstMax);
6790 if (cMax >= UINT32_C(0x40000000))
6791 {
6792 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6793
6794 /** @todo dump these in more detail. */
6795
6796 pCurLeaf = pNextLeaf;
6797 }
6798
6799
6800 /*
6801 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6802 * Implemented after AMD specs.
6803 */
6804 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6805
6806 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6807 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6808 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6809 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6810 cMax = RT_MAX(cHstMax, cGstMax);
6811 if (cMax >= UINT32_C(0x80000000))
6812 {
6813
6814 pHlp->pfnPrintf(pHlp,
6815 " Raw Extended CPUID Leaves\n"
6816 " Leaf/sub-leaf eax ebx ecx edx\n");
6817 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6818 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6819 {
6820 uint32_t cMaxSubLeaves = 1;
6821 if (uLeaf == UINT32_C(0x8000001d))
6822 cMaxSubLeaves = 16;
6823
6824 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6825 {
6826 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6827 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6828 && pCurLeaf->uLeaf == uLeaf
6829 && pCurLeaf->uSubLeaf == uSubLeaf)
6830 {
6831 pHlp->pfnPrintf(pHlp,
6832 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6833 "Hst: %08x %08x %08x %08x\n",
6834 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6835 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6836 pCurLeaf++;
6837 }
6838 else if ( uLeaf != 0xd
6839 || uSubLeaf <= 1
6840 || Host.uEbx != 0 )
6841 pHlp->pfnPrintf(pHlp,
6842 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6843 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6844
6845 /* Done? */
6846 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6847 || pCurLeaf->uLeaf != uLeaf)
6848 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6849 break;
6850 }
6851 }
6852 pNextLeaf = pCurLeaf;
6853
6854 /*
6855 * Understandable output
6856 */
6857 if (iVerbosity)
6858 pHlp->pfnPrintf(pHlp,
6859 "Ext Name: %.4s%.4s%.4s\n"
6860 "Ext Supports: 0x80000000-%#010x\n",
6861 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6862
6863 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6864 if (iVerbosity && pCurLeaf)
6865 {
6866 uint32_t uEAX = pCurLeaf->uEax;
6867 pHlp->pfnPrintf(pHlp,
6868 "Family: %d \tExtended: %d \tEffective: %d\n"
6869 "Model: %d \tExtended: %d \tEffective: %d\n"
6870 "Stepping: %d\n"
6871 "Brand ID: %#05x\n",
6872 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6873 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6874 ASMGetCpuStepping(uEAX),
6875 pCurLeaf->uEbx & 0xfff);
6876
6877 if (iVerbosity == 1)
6878 {
6879 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6880 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6881 }
6882 else
6883 {
6884 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6885 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6886 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6887 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6888 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6889 if (Host.uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
6890 {
6891 pHlp->pfnPrintf(pHlp, "SVM Feature Identification (leaf A):\n");
6892 ASMCpuIdExSlow(0x8000000a, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6893 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x8000000a), 0);
6894 uint32_t const uGstEdx = pCurLeaf ? pCurLeaf->uEdx : 0;
6895 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, uGstEdx, Host.uEdx, g_aExtLeafAEdxSubFields, 56);
6896 }
6897 }
6898 }
6899
6900 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6901 {
6902 char szString[4*4*3+1] = {0};
6903 uint32_t *pu32 = (uint32_t *)szString;
6904 *pu32++ = pCurLeaf->uEax;
6905 *pu32++ = pCurLeaf->uEbx;
6906 *pu32++ = pCurLeaf->uEcx;
6907 *pu32++ = pCurLeaf->uEdx;
6908 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6909 if (pCurLeaf)
6910 {
6911 *pu32++ = pCurLeaf->uEax;
6912 *pu32++ = pCurLeaf->uEbx;
6913 *pu32++ = pCurLeaf->uEcx;
6914 *pu32++ = pCurLeaf->uEdx;
6915 }
6916 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6917 if (pCurLeaf)
6918 {
6919 *pu32++ = pCurLeaf->uEax;
6920 *pu32++ = pCurLeaf->uEbx;
6921 *pu32++ = pCurLeaf->uEcx;
6922 *pu32++ = pCurLeaf->uEdx;
6923 }
6924 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6925 }
6926
6927 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6928 {
6929 uint32_t uEAX = pCurLeaf->uEax;
6930 uint32_t uEBX = pCurLeaf->uEbx;
6931 uint32_t uECX = pCurLeaf->uEcx;
6932 uint32_t uEDX = pCurLeaf->uEdx;
6933 char sz1[32];
6934 char sz2[32];
6935
6936 pHlp->pfnPrintf(pHlp,
6937 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6938 "TLB 2/4M Data: %s %3d entries\n",
6939 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6940 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6941 pHlp->pfnPrintf(pHlp,
6942 "TLB 4K Instr/Uni: %s %3d entries\n"
6943 "TLB 4K Data: %s %3d entries\n",
6944 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6945 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6946 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6947 "L1 Instr Cache Lines Per Tag: %d\n"
6948 "L1 Instr Cache Associativity: %s\n"
6949 "L1 Instr Cache Size: %d KB\n",
6950 (uEDX >> 0) & 0xff,
6951 (uEDX >> 8) & 0xff,
6952 getCacheAss((uEDX >> 16) & 0xff, sz1),
6953 (uEDX >> 24) & 0xff);
6954 pHlp->pfnPrintf(pHlp,
6955 "L1 Data Cache Line Size: %d bytes\n"
6956 "L1 Data Cache Lines Per Tag: %d\n"
6957 "L1 Data Cache Associativity: %s\n"
6958 "L1 Data Cache Size: %d KB\n",
6959 (uECX >> 0) & 0xff,
6960 (uECX >> 8) & 0xff,
6961 getCacheAss((uECX >> 16) & 0xff, sz1),
6962 (uECX >> 24) & 0xff);
6963 }
6964
6965 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6966 {
6967 uint32_t uEAX = pCurLeaf->uEax;
6968 uint32_t uEBX = pCurLeaf->uEbx;
6969 uint32_t uEDX = pCurLeaf->uEdx;
6970
6971 pHlp->pfnPrintf(pHlp,
6972 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6973 "L2 TLB 2/4M Data: %s %4d entries\n",
6974 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6975 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6976 pHlp->pfnPrintf(pHlp,
6977 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6978 "L2 TLB 4K Data: %s %4d entries\n",
6979 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6980 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6981 pHlp->pfnPrintf(pHlp,
6982 "L2 Cache Line Size: %d bytes\n"
6983 "L2 Cache Lines Per Tag: %d\n"
6984 "L2 Cache Associativity: %s\n"
6985 "L2 Cache Size: %d KB\n",
6986 (uEDX >> 0) & 0xff,
6987 (uEDX >> 8) & 0xf,
6988 getL2CacheAss((uEDX >> 12) & 0xf),
6989 (uEDX >> 16) & 0xffff);
6990 }
6991
6992 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6993 {
6994 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6995 if (pCurLeaf->uEdx || (Host.uEdx && iVerbosity))
6996 {
6997 if (iVerbosity < 1)
6998 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf7EdxSubFields, "APM Features EDX:", 34);
6999 else
7000 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf7EdxSubFields, 56);
7001 }
7002 }
7003
7004 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
7005 if (pCurLeaf != NULL)
7006 {
7007 ASMCpuIdExSlow(UINT32_C(0x80000008), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7008 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
7009 {
7010 if (iVerbosity < 1)
7011 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
7012 else
7013 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
7014 }
7015
7016 if (iVerbosity)
7017 {
7018 uint32_t uEAX = pCurLeaf->uEax;
7019 uint32_t uECX = pCurLeaf->uEcx;
7020
7021 pHlp->pfnPrintf(pHlp,
7022 "Physical Address Width: %d bits\n"
7023 "Virtual Address Width: %d bits\n"
7024 "Guest Physical Address Width: %d bits\n",
7025 (uEAX >> 0) & 0xff,
7026 (uEAX >> 8) & 0xff,
7027 (uEAX >> 16) & 0xff);
7028 pHlp->pfnPrintf(pHlp,
7029 "Physical Core Count: %d\n",
7030 ((uECX >> 0) & 0xff) + 1);
7031 }
7032 }
7033
7034 pCurLeaf = pNextLeaf;
7035 }
7036
7037
7038
7039 /*
7040 * Centaur.
7041 */
7042 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
7043
7044 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7045 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
7046 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
7047 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
7048 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
7049 cMax = RT_MAX(cHstMax, cGstMax);
7050 if (cMax >= UINT32_C(0xc0000000))
7051 {
7052 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
7053
7054 /*
7055 * Understandable output
7056 */
7057 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
7058 pHlp->pfnPrintf(pHlp,
7059 "Centaur Supports: 0xc0000000-%#010x\n",
7060 pCurLeaf->uEax);
7061
7062 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
7063 {
7064 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7065 uint32_t uEdxGst = pCurLeaf->uEdx;
7066 uint32_t uEdxHst = Host.uEdx;
7067
7068 if (iVerbosity == 1)
7069 {
7070 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
7071 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
7072 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
7073 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
7074 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
7075 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
7076 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
7077 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
7078 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
7079 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7080 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
7081 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
7082 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
7083 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
7084 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
7085 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
7086 for (unsigned iBit = 14; iBit < 32; iBit++)
7087 if (uEdxGst & RT_BIT(iBit))
7088 pHlp->pfnPrintf(pHlp, " %d", iBit);
7089 pHlp->pfnPrintf(pHlp, "\n");
7090 }
7091 else
7092 {
7093 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
7094 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
7095 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
7096 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
7097 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
7098 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
7099 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
7100 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
7101 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
7102 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7103 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
7104 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
7105 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
7106 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
7107 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
7108 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
7109 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
7110 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
7111 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
7112 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
7113 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
7114 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
7115 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
7116 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
7117 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
7118 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
7119 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
7120 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
7121 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
7122 for (unsigned iBit = 27; iBit < 32; iBit++)
7123 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
7124 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
7125 pHlp->pfnPrintf(pHlp, "\n");
7126 }
7127 }
7128
7129 pCurLeaf = pNextLeaf;
7130 }
7131
7132 /*
7133 * The remainder.
7134 */
7135 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
7136}
7137
7138
7139
7140
7141
7142/*
7143 *
7144 *
7145 * PATM interfaces.
7146 * PATM interfaces.
7147 * PATM interfaces.
7148 *
7149 *
7150 */
7151
7152
7153# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
7154/** @name Patchmanager CPUID legacy table APIs
7155 * @{
7156 */
7157
7158/**
7159 * Gets a pointer to the default CPUID leaf.
7160 *
7161 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
7162 * @param pVM The cross context VM structure.
7163 * @remark Intended for PATM only.
7164 */
7165VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
7166{
7167 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
7168}
7169
7170
7171/**
7172 * Gets a number of standard CPUID leaves (PATM only).
7173 *
7174 * @returns Number of leaves.
7175 * @param pVM The cross context VM structure.
7176 * @remark Intended for PATM - legacy, don't use in new code.
7177 */
7178VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
7179{
7180 RT_NOREF_PV(pVM);
7181 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
7182}
7183
7184
7185/**
7186 * Gets a number of extended CPUID leaves (PATM only).
7187 *
7188 * @returns Number of leaves.
7189 * @param pVM The cross context VM structure.
7190 * @remark Intended for PATM - legacy, don't use in new code.
7191 */
7192VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
7193{
7194 RT_NOREF_PV(pVM);
7195 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
7196}
7197
7198
7199/**
7200 * Gets a number of centaur CPUID leaves.
7201 *
7202 * @returns Number of leaves.
7203 * @param pVM The cross context VM structure.
7204 * @remark Intended for PATM - legacy, don't use in new code.
7205 */
7206VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
7207{
7208 RT_NOREF_PV(pVM);
7209 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
7210}
7211
7212
7213/**
7214 * Gets a pointer to the array of standard CPUID leaves.
7215 *
7216 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
7217 *
7218 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
7219 * @param pVM The cross context VM structure.
7220 * @remark Intended for PATM - legacy, don't use in new code.
7221 */
7222VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
7223{
7224 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
7225}
7226
7227
7228/**
7229 * Gets a pointer to the array of extended CPUID leaves.
7230 *
7231 * CPUMGetGuestCpuIdExtMax() give the size of the array.
7232 *
7233 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
7234 * @param pVM The cross context VM structure.
7235 * @remark Intended for PATM - legacy, don't use in new code.
7236 */
7237VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
7238{
7239 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
7240}
7241
7242
7243/**
7244 * Gets a pointer to the array of centaur CPUID leaves.
7245 *
7246 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
7247 *
7248 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7249 * @param pVM The cross context VM structure.
7250 * @remark Intended for PATM - legacy, don't use in new code.
7251 */
7252VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7253{
7254 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7255}
7256
7257/** @} */
7258# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7259
7260#endif /* VBOX_IN_VMM */
7261
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette