VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 72287

Last change on this file since 72287 was 72208, checked in by vboxsync, 7 years ago

VMM: VBOX_WITH_NESTED_HWVIRT_SVM.

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1/* $Id: CPUMR3CpuId.cpp 72208 2018-05-15 04:11:35Z 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/ssm.h>
27#include "CPUMInternal.h"
28#include <VBox/vmm/vm.h>
29#include <VBox/vmm/mm.h>
30#include <VBox/sup.h>
31
32#include <VBox/err.h>
33#include <iprt/asm-amd64-x86.h>
34#include <iprt/ctype.h>
35#include <iprt/mem.h>
36#include <iprt/string.h>
37
38
39/*********************************************************************************************************************************
40* Defined Constants And Macros *
41*********************************************************************************************************************************/
42/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
43#define CPUM_CPUID_MAX_LEAVES 2048
44/* Max size we accept for the XSAVE area. */
45#define CPUM_MAX_XSAVE_AREA_SIZE 10240
46/* Min size we accept for the XSAVE area. */
47#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
48
49
50/*********************************************************************************************************************************
51* Global Variables *
52*********************************************************************************************************************************/
53/**
54 * The intel pentium family.
55 */
56static const CPUMMICROARCH g_aenmIntelFamily06[] =
57{
58 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
59 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
60 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
61 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
62 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
63 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
64 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
65 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
66 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
67 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
68 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
69 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
70 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
71 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
72 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
73 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
74 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
75 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
76 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
79 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
80 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
81 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
82 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
83 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
84 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
85 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
86 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
87 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
88 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
89 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
90 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
91 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
92 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
95 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
96 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
97 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
98 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
99 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
100 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
101 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
102 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
103 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
104 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
105 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
106 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
107 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
108 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
111 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
112 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
113 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
114 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
115 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
116 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
117 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
118 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
119 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
120 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
121 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
122 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
123 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
124 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
127 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
128 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
129 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
130 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
131 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
132 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
133 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
134 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
135 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
136 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed */
137 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* unconfirmed, Broadwell-E */
138 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
139 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
140 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
143 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu */
144 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
145 /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
146 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
147 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
148 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
149 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
150 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */
151 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
152 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
153 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */
154 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
155 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
156 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
158 /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown,
159 /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
160 /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
161 /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown,
162 /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown,
163 /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown,
164 /*[106(0x6a)] = */ kCpumMicroarch_Intel_Unknown,
165 /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown,
166 /*[108(0x6c)] = */ kCpumMicroarch_Intel_Unknown,
167 /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown,
168 /*[110(0x6e)] = */ kCpumMicroarch_Intel_Unknown,
169 /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown,
170 /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown,
171 /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown,
172 /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown,
173 /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown,
174 /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown,
175 /*[117(0x75)] = */ kCpumMicroarch_Intel_Unknown,
176 /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown,
177 /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown,
178 /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown,
179 /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown,
180 /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus,
181 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
182 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
183 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
185 /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown,
186 /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown,
187 /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown,
188 /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown,
189 /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown,
190 /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown,
191 /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill,
192 /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown,
193 /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown,
194 /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown,
195 /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown,
196 /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown,
197 /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown,
198 /*[140(0x8c)] = */ kCpumMicroarch_Intel_Unknown,
199 /*[141(0x8d)] = */ kCpumMicroarch_Intel_Unknown,
200 /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
201 /*[143(0x8f)] = */ kCpumMicroarch_Intel_Unknown,
202 /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown,
203 /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown,
204 /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown,
205 /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown,
206 /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown,
207 /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown,
208 /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown,
209 /*[151(0x97)] = */ kCpumMicroarch_Intel_Unknown,
210 /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown,
211 /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown,
212 /*[154(0x9a)] = */ kCpumMicroarch_Intel_Unknown,
213 /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown,
214 /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown,
215 /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown,
216 /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
217 /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown,
218};
219AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0x9f+1);
220
221
222/**
223 * Figures out the (sub-)micro architecture given a bit of CPUID info.
224 *
225 * @returns Micro architecture.
226 * @param enmVendor The CPU vendor .
227 * @param bFamily The CPU family.
228 * @param bModel The CPU model.
229 * @param bStepping The CPU stepping.
230 */
231VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
232 uint8_t bModel, uint8_t bStepping)
233{
234 if (enmVendor == CPUMCPUVENDOR_AMD)
235 {
236 switch (bFamily)
237 {
238 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
239 case 0x03: return kCpumMicroarch_AMD_Am386;
240 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
241 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
242 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
243 case 0x06:
244 switch (bModel)
245 {
246 case 0: return kCpumMicroarch_AMD_K7_Palomino;
247 case 1: return kCpumMicroarch_AMD_K7_Palomino;
248 case 2: return kCpumMicroarch_AMD_K7_Palomino;
249 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
250 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
251 case 6: return kCpumMicroarch_AMD_K7_Palomino;
252 case 7: return kCpumMicroarch_AMD_K7_Morgan;
253 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
254 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
255 }
256 return kCpumMicroarch_AMD_K7_Unknown;
257 case 0x0f:
258 /*
259 * This family is a friggin mess. Trying my best to make some
260 * sense out of it. Too much happened in the 0x0f family to
261 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
262 *
263 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
264 * cpu-world.com, and other places:
265 * - 130nm:
266 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
267 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
268 * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
269 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
270 * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
271 * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
272 * - 90nm:
273 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
274 * - Oakville: 10FC0/DH-D0.
275 * - Georgetown: 10FC0/DH-D0.
276 * - Sonora: 10FC0/DH-D0.
277 * - Venus: 20F71/SH-E4
278 * - Troy: 20F51/SH-E4
279 * - Athens: 20F51/SH-E4
280 * - San Diego: 20F71/SH-E4.
281 * - Lancaster: 20F42/SH-E5
282 * - Newark: 20F42/SH-E5.
283 * - Albany: 20FC2/DH-E6.
284 * - Roma: 20FC2/DH-E6.
285 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
286 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
287 * - 90nm introducing Dual core:
288 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
289 * - Italy: 20F10/JH-E1, 20F12/JH-E6
290 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
291 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
292 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
293 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
294 * - Santa Ana: 40F32/JH-F2, /-F3
295 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
296 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
297 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
298 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
299 * - Keene: 40FC2/DH-F2.
300 * - Richmond: 40FC2/DH-F2
301 * - Taylor: 40F82/BH-F2
302 * - Trinidad: 40F82/BH-F2
303 *
304 * - 65nm:
305 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
306 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
307 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
308 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
309 * - Sherman: /-G1, 70FC2/DH-G2.
310 * - Huron: 70FF2/DH-G2.
311 */
312 if (bModel < 0x10)
313 return kCpumMicroarch_AMD_K8_130nm;
314 if (bModel >= 0x60 && bModel < 0x80)
315 return kCpumMicroarch_AMD_K8_65nm;
316 if (bModel >= 0x40)
317 return kCpumMicroarch_AMD_K8_90nm_AMDV;
318 switch (bModel)
319 {
320 case 0x21:
321 case 0x23:
322 case 0x2b:
323 case 0x2f:
324 case 0x37:
325 case 0x3f:
326 return kCpumMicroarch_AMD_K8_90nm_DualCore;
327 }
328 return kCpumMicroarch_AMD_K8_90nm;
329 case 0x10:
330 return kCpumMicroarch_AMD_K10;
331 case 0x11:
332 return kCpumMicroarch_AMD_K10_Lion;
333 case 0x12:
334 return kCpumMicroarch_AMD_K10_Llano;
335 case 0x14:
336 return kCpumMicroarch_AMD_Bobcat;
337 case 0x15:
338 switch (bModel)
339 {
340 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
341 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
342 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
343 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
344 case 0x11: /* ?? */
345 case 0x12: /* ?? */
346 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
347 }
348 return kCpumMicroarch_AMD_15h_Unknown;
349 case 0x16:
350 return kCpumMicroarch_AMD_Jaguar;
351 case 0x17:
352 return kCpumMicroarch_AMD_Zen_Ryzen;
353 }
354 return kCpumMicroarch_AMD_Unknown;
355 }
356
357 if (enmVendor == CPUMCPUVENDOR_INTEL)
358 {
359 switch (bFamily)
360 {
361 case 3:
362 return kCpumMicroarch_Intel_80386;
363 case 4:
364 return kCpumMicroarch_Intel_80486;
365 case 5:
366 return kCpumMicroarch_Intel_P5;
367 case 6:
368 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
369 {
370 CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
371 if ( enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake
372 && bStepping >= 0xa)
373 enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
374 return enmMicroArch;
375 }
376 return kCpumMicroarch_Intel_Atom_Unknown;
377 case 15:
378 switch (bModel)
379 {
380 case 0: return kCpumMicroarch_Intel_NB_Willamette;
381 case 1: return kCpumMicroarch_Intel_NB_Willamette;
382 case 2: return kCpumMicroarch_Intel_NB_Northwood;
383 case 3: return kCpumMicroarch_Intel_NB_Prescott;
384 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
385 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
386 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
387 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
388 default: return kCpumMicroarch_Intel_NB_Unknown;
389 }
390 break;
391 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
392 case 0:
393 return kCpumMicroarch_Intel_8086;
394 case 1:
395 return kCpumMicroarch_Intel_80186;
396 case 2:
397 return kCpumMicroarch_Intel_80286;
398 }
399 return kCpumMicroarch_Intel_Unknown;
400 }
401
402 if (enmVendor == CPUMCPUVENDOR_VIA)
403 {
404 switch (bFamily)
405 {
406 case 5:
407 switch (bModel)
408 {
409 case 1: return kCpumMicroarch_Centaur_C6;
410 case 4: return kCpumMicroarch_Centaur_C6;
411 case 8: return kCpumMicroarch_Centaur_C2;
412 case 9: return kCpumMicroarch_Centaur_C3;
413 }
414 break;
415
416 case 6:
417 switch (bModel)
418 {
419 case 5: return kCpumMicroarch_VIA_C3_M2;
420 case 6: return kCpumMicroarch_VIA_C3_C5A;
421 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
422 case 8: return kCpumMicroarch_VIA_C3_C5N;
423 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
424 case 10: return kCpumMicroarch_VIA_C7_C5J;
425 case 15: return kCpumMicroarch_VIA_Isaiah;
426 }
427 break;
428 }
429 return kCpumMicroarch_VIA_Unknown;
430 }
431
432 if (enmVendor == CPUMCPUVENDOR_CYRIX)
433 {
434 switch (bFamily)
435 {
436 case 4:
437 switch (bModel)
438 {
439 case 9: return kCpumMicroarch_Cyrix_5x86;
440 }
441 break;
442
443 case 5:
444 switch (bModel)
445 {
446 case 2: return kCpumMicroarch_Cyrix_M1;
447 case 4: return kCpumMicroarch_Cyrix_MediaGX;
448 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
449 }
450 break;
451
452 case 6:
453 switch (bModel)
454 {
455 case 0: return kCpumMicroarch_Cyrix_M2;
456 }
457 break;
458
459 }
460 return kCpumMicroarch_Cyrix_Unknown;
461 }
462
463 return kCpumMicroarch_Unknown;
464}
465
466
467/**
468 * Translates a microarchitecture enum value to the corresponding string
469 * constant.
470 *
471 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
472 * NULL if the value is invalid.
473 *
474 * @param enmMicroarch The enum value to convert.
475 */
476VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
477{
478 switch (enmMicroarch)
479 {
480#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
481 CASE_RET_STR(kCpumMicroarch_Intel_8086);
482 CASE_RET_STR(kCpumMicroarch_Intel_80186);
483 CASE_RET_STR(kCpumMicroarch_Intel_80286);
484 CASE_RET_STR(kCpumMicroarch_Intel_80386);
485 CASE_RET_STR(kCpumMicroarch_Intel_80486);
486 CASE_RET_STR(kCpumMicroarch_Intel_P5);
487
488 CASE_RET_STR(kCpumMicroarch_Intel_P6);
489 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
490 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
491
492 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
493 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
494 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
495
496 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
497 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
498
499 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
500 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
501 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
502 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
503 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
504 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
505 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
506 CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
507 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
508 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
509 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
510 CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
511
512 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
513 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
514 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
515 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
516 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
517 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
518 CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
519 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
520
521 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
522 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
523 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
524 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
525 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
526
527 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
528 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
529 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
530 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
531 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
532 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
533 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
534
535 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
536
537 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
538 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
539 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
540 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
541 CASE_RET_STR(kCpumMicroarch_AMD_K5);
542 CASE_RET_STR(kCpumMicroarch_AMD_K6);
543
544 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
545 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
546 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
547 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
548 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
549 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
550 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
551
552 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
553 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
554 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
555 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
556 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
557
558 CASE_RET_STR(kCpumMicroarch_AMD_K10);
559 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
560 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
561 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
562 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
563
564 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
565 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
566 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
567 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
568 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
569
570 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
571
572 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
573
574 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
575
576 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
577 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
578 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
579 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
580 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
581 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
582 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
583 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
584 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
585 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
586 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
587 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
588 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
589
590 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
591 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
592 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
593 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
594 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
595 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
596
597 CASE_RET_STR(kCpumMicroarch_NEC_V20);
598 CASE_RET_STR(kCpumMicroarch_NEC_V30);
599
600 CASE_RET_STR(kCpumMicroarch_Unknown);
601
602#undef CASE_RET_STR
603 case kCpumMicroarch_Invalid:
604 case kCpumMicroarch_Intel_End:
605 case kCpumMicroarch_Intel_Core2_End:
606 case kCpumMicroarch_Intel_Core7_End:
607 case kCpumMicroarch_Intel_Atom_End:
608 case kCpumMicroarch_Intel_P6_Core_Atom_End:
609 case kCpumMicroarch_Intel_Phi_End:
610 case kCpumMicroarch_Intel_NB_End:
611 case kCpumMicroarch_AMD_K7_End:
612 case kCpumMicroarch_AMD_K8_End:
613 case kCpumMicroarch_AMD_15h_End:
614 case kCpumMicroarch_AMD_16h_End:
615 case kCpumMicroarch_AMD_Zen_End:
616 case kCpumMicroarch_AMD_End:
617 case kCpumMicroarch_VIA_End:
618 case kCpumMicroarch_Cyrix_End:
619 case kCpumMicroarch_NEC_End:
620 case kCpumMicroarch_32BitHack:
621 break;
622 /* no default! */
623 }
624
625 return NULL;
626}
627
628
629/**
630 * Determins the host CPU MXCSR mask.
631 *
632 * @returns MXCSR mask.
633 */
634VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
635{
636 if ( ASMHasCpuId()
637 && ASMIsValidStdRange(ASMCpuId_EAX(0))
638 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
639 {
640 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
641 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
642 RT_ZERO(*pState);
643 ASMFxSave(pState);
644 if (pState->MXCSR_MASK == 0)
645 return 0xffbf;
646 return pState->MXCSR_MASK;
647 }
648 return 0;
649}
650
651
652/**
653 * Gets a matching leaf in the CPUID leaf array.
654 *
655 * @returns Pointer to the matching leaf, or NULL if not found.
656 * @param paLeaves The CPUID leaves to search. This is sorted.
657 * @param cLeaves The number of leaves in the array.
658 * @param uLeaf The leaf to locate.
659 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
660 */
661static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
662{
663 /* Lazy bird does linear lookup here since this is only used for the
664 occational CPUID overrides. */
665 for (uint32_t i = 0; i < cLeaves; i++)
666 if ( paLeaves[i].uLeaf == uLeaf
667 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
668 return &paLeaves[i];
669 return NULL;
670}
671
672
673#ifndef IN_VBOX_CPU_REPORT
674/**
675 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
676 *
677 * @returns true if found, false it not.
678 * @param paLeaves The CPUID leaves to search. This is sorted.
679 * @param cLeaves The number of leaves in the array.
680 * @param uLeaf The leaf to locate.
681 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
682 * @param pLegacy The legacy output leaf.
683 */
684static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
685 PCPUMCPUID pLegacy)
686{
687 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
688 if (pLeaf)
689 {
690 pLegacy->uEax = pLeaf->uEax;
691 pLegacy->uEbx = pLeaf->uEbx;
692 pLegacy->uEcx = pLeaf->uEcx;
693 pLegacy->uEdx = pLeaf->uEdx;
694 return true;
695 }
696 return false;
697}
698#endif /* IN_VBOX_CPU_REPORT */
699
700
701/**
702 * Ensures that the CPUID leaf array can hold one more leaf.
703 *
704 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
705 * failure.
706 * @param pVM The cross context VM structure. If NULL, use
707 * the process heap, otherwise the VM's hyper heap.
708 * @param ppaLeaves Pointer to the variable holding the array pointer
709 * (input/output).
710 * @param cLeaves The current array size.
711 *
712 * @remarks This function will automatically update the R0 and RC pointers when
713 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
714 * be the corresponding VM's CPUID arrays (which is asserted).
715 */
716static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
717{
718 /*
719 * If pVM is not specified, we're on the regular heap and can waste a
720 * little space to speed things up.
721 */
722 uint32_t cAllocated;
723 if (!pVM)
724 {
725 cAllocated = RT_ALIGN(cLeaves, 16);
726 if (cLeaves + 1 > cAllocated)
727 {
728 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
729 if (pvNew)
730 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
731 else
732 {
733 RTMemFree(*ppaLeaves);
734 *ppaLeaves = NULL;
735 }
736 }
737 }
738 /*
739 * Otherwise, we're on the hyper heap and are probably just inserting
740 * one or two leaves and should conserve space.
741 */
742 else
743 {
744#ifdef IN_VBOX_CPU_REPORT
745 AssertReleaseFailed();
746#else
747 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
748 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
749
750 size_t cb = cLeaves * sizeof(**ppaLeaves);
751 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
752 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
753 if (RT_SUCCESS(rc))
754 {
755 /* Update the R0 and RC pointers. */
756 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
757 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
758 }
759 else
760 {
761 *ppaLeaves = NULL;
762 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
763 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
764 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
765 }
766#endif
767 }
768 return *ppaLeaves;
769}
770
771
772/**
773 * Append a CPUID leaf or sub-leaf.
774 *
775 * ASSUMES linear insertion order, so we'll won't need to do any searching or
776 * replace anything. Use cpumR3CpuIdInsert() for those cases.
777 *
778 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
779 * the caller need do no more work.
780 * @param ppaLeaves Pointer to the pointer to the array of sorted
781 * CPUID leaves and sub-leaves.
782 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
783 * @param uLeaf The leaf we're adding.
784 * @param uSubLeaf The sub-leaf number.
785 * @param fSubLeafMask The sub-leaf mask.
786 * @param uEax The EAX value.
787 * @param uEbx The EBX value.
788 * @param uEcx The ECX value.
789 * @param uEdx The EDX value.
790 * @param fFlags The flags.
791 */
792static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
793 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
794 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
795{
796 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
797 return VERR_NO_MEMORY;
798
799 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
800 Assert( *pcLeaves == 0
801 || pNew[-1].uLeaf < uLeaf
802 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
803
804 pNew->uLeaf = uLeaf;
805 pNew->uSubLeaf = uSubLeaf;
806 pNew->fSubLeafMask = fSubLeafMask;
807 pNew->uEax = uEax;
808 pNew->uEbx = uEbx;
809 pNew->uEcx = uEcx;
810 pNew->uEdx = uEdx;
811 pNew->fFlags = fFlags;
812
813 *pcLeaves += 1;
814 return VINF_SUCCESS;
815}
816
817
818/**
819 * Checks that we've updated the CPUID leaves array correctly.
820 *
821 * This is a no-op in non-strict builds.
822 *
823 * @param paLeaves The leaves array.
824 * @param cLeaves The number of leaves.
825 */
826static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
827{
828#ifdef VBOX_STRICT
829 for (uint32_t i = 1; i < cLeaves; i++)
830 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
831 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
832 else
833 {
834 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
835 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
836 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
837 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
838 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
839 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
840 }
841#else
842 NOREF(paLeaves);
843 NOREF(cLeaves);
844#endif
845}
846
847
848/**
849 * Inserts a CPU ID leaf, replacing any existing ones.
850 *
851 * When inserting a simple leaf where we already got a series of sub-leaves with
852 * the same leaf number (eax), the simple leaf will replace the whole series.
853 *
854 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
855 * host-context heap and has only been allocated/reallocated by the
856 * cpumR3CpuIdEnsureSpace function.
857 *
858 * @returns VBox status code.
859 * @param pVM The cross context VM structure. If NULL, use
860 * the process heap, otherwise the VM's hyper heap.
861 * @param ppaLeaves Pointer to the pointer to the array of sorted
862 * CPUID leaves and sub-leaves. Must be NULL if using
863 * the hyper heap.
864 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
865 * be NULL if using the hyper heap.
866 * @param pNewLeaf Pointer to the data of the new leaf we're about to
867 * insert.
868 */
869static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
870{
871 /*
872 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
873 */
874 if (pVM)
875 {
876 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
877 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
878
879 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
880 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
881 }
882
883 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
884 uint32_t cLeaves = *pcLeaves;
885
886 /*
887 * Validate the new leaf a little.
888 */
889 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
890 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
891 VERR_INVALID_FLAGS);
892 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
893 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
894 VERR_INVALID_PARAMETER);
895 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
896 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
897 VERR_INVALID_PARAMETER);
898 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
899 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
900 VERR_INVALID_PARAMETER);
901
902 /*
903 * Find insertion point. The lazy bird uses the same excuse as in
904 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
905 */
906 uint32_t i;
907 if ( cLeaves > 0
908 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
909 {
910 /* Add at end. */
911 i = cLeaves;
912 }
913 else if ( cLeaves > 0
914 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
915 {
916 /* Either replacing the last leaf or dealing with sub-leaves. Spool
917 back to the first sub-leaf to pretend we did the linear search. */
918 i = cLeaves - 1;
919 while ( i > 0
920 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
921 i--;
922 }
923 else
924 {
925 /* Linear search from the start. */
926 i = 0;
927 while ( i < cLeaves
928 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
929 i++;
930 }
931 if ( i < cLeaves
932 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
933 {
934 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
935 {
936 /*
937 * The sub-leaf mask differs, replace all existing leaves with the
938 * same leaf number.
939 */
940 uint32_t c = 1;
941 while ( i + c < cLeaves
942 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
943 c++;
944 if (c > 1 && i + c < cLeaves)
945 {
946 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
947 *pcLeaves = cLeaves -= c - 1;
948 }
949
950 paLeaves[i] = *pNewLeaf;
951 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
952 return VINF_SUCCESS;
953 }
954
955 /* Find sub-leaf insertion point. */
956 while ( i < cLeaves
957 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
958 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
959 i++;
960
961 /*
962 * If we've got an exactly matching leaf, replace it.
963 */
964 if ( i < cLeaves
965 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
966 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
967 {
968 paLeaves[i] = *pNewLeaf;
969 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
970 return VINF_SUCCESS;
971 }
972 }
973
974 /*
975 * Adding a new leaf at 'i'.
976 */
977 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
978 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
979 if (!paLeaves)
980 return VERR_NO_MEMORY;
981
982 if (i < cLeaves)
983 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
984 *pcLeaves += 1;
985 paLeaves[i] = *pNewLeaf;
986
987 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
988 return VINF_SUCCESS;
989}
990
991
992#ifndef IN_VBOX_CPU_REPORT
993/**
994 * Removes a range of CPUID leaves.
995 *
996 * This will not reallocate the array.
997 *
998 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
999 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
1000 * @param uFirst The first leaf.
1001 * @param uLast The last leaf.
1002 */
1003static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1004{
1005 uint32_t cLeaves = *pcLeaves;
1006
1007 Assert(uFirst <= uLast);
1008
1009 /*
1010 * Find the first one.
1011 */
1012 uint32_t iFirst = 0;
1013 while ( iFirst < cLeaves
1014 && paLeaves[iFirst].uLeaf < uFirst)
1015 iFirst++;
1016
1017 /*
1018 * Find the end (last + 1).
1019 */
1020 uint32_t iEnd = iFirst;
1021 while ( iEnd < cLeaves
1022 && paLeaves[iEnd].uLeaf <= uLast)
1023 iEnd++;
1024
1025 /*
1026 * Adjust the array if anything needs removing.
1027 */
1028 if (iFirst < iEnd)
1029 {
1030 if (iEnd < cLeaves)
1031 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1032 *pcLeaves = cLeaves -= (iEnd - iFirst);
1033 }
1034
1035 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1036}
1037#endif /* IN_VBOX_CPU_REPORT */
1038
1039
1040/**
1041 * Checks if ECX make a difference when reading a given CPUID leaf.
1042 *
1043 * @returns @c true if it does, @c false if it doesn't.
1044 * @param uLeaf The leaf we're reading.
1045 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1046 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1047 * final sub-leaf (for leaf 0xb only).
1048 */
1049static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1050{
1051 *pfFinalEcxUnchanged = false;
1052
1053 uint32_t auCur[4];
1054 uint32_t auPrev[4];
1055 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1056
1057 /* Look for sub-leaves. */
1058 uint32_t uSubLeaf = 1;
1059 for (;;)
1060 {
1061 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1062 if (memcmp(auCur, auPrev, sizeof(auCur)))
1063 break;
1064
1065 /* Advance / give up. */
1066 uSubLeaf++;
1067 if (uSubLeaf >= 64)
1068 {
1069 *pcSubLeaves = 1;
1070 return false;
1071 }
1072 }
1073
1074 /* Count sub-leaves. */
1075 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1076 uint32_t cRepeats = 0;
1077 uSubLeaf = 0;
1078 for (;;)
1079 {
1080 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1081
1082 /* Figuring out when to stop isn't entirely straight forward as we need
1083 to cover undocumented behavior up to a point and implementation shortcuts. */
1084
1085 /* 1. Look for more than 4 repeating value sets. */
1086 if ( auCur[0] == auPrev[0]
1087 && auCur[1] == auPrev[1]
1088 && ( auCur[2] == auPrev[2]
1089 || ( auCur[2] == uSubLeaf
1090 && auPrev[2] == uSubLeaf - 1) )
1091 && auCur[3] == auPrev[3])
1092 {
1093 if ( uLeaf != 0xd
1094 || uSubLeaf >= 64
1095 || ( auCur[0] == 0
1096 && auCur[1] == 0
1097 && auCur[2] == 0
1098 && auCur[3] == 0
1099 && auPrev[2] == 0) )
1100 cRepeats++;
1101 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1102 break;
1103 }
1104 else
1105 cRepeats = 0;
1106
1107 /* 2. Look for zero values. */
1108 if ( auCur[0] == 0
1109 && auCur[1] == 0
1110 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1111 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1112 && uSubLeaf >= cMinLeaves)
1113 {
1114 cRepeats = 0;
1115 break;
1116 }
1117
1118 /* 3. Leaf 0xb level type 0 check. */
1119 if ( uLeaf == 0xb
1120 && (auCur[2] & 0xff00) == 0
1121 && (auPrev[2] & 0xff00) == 0)
1122 {
1123 cRepeats = 0;
1124 break;
1125 }
1126
1127 /* 99. Give up. */
1128 if (uSubLeaf >= 128)
1129 {
1130#ifndef IN_VBOX_CPU_REPORT
1131 /* Ok, limit it according to the documentation if possible just to
1132 avoid annoying users with these detection issues. */
1133 uint32_t cDocLimit = UINT32_MAX;
1134 if (uLeaf == 0x4)
1135 cDocLimit = 4;
1136 else if (uLeaf == 0x7)
1137 cDocLimit = 1;
1138 else if (uLeaf == 0xd)
1139 cDocLimit = 63;
1140 else if (uLeaf == 0xf)
1141 cDocLimit = 2;
1142 if (cDocLimit != UINT32_MAX)
1143 {
1144 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1145 *pcSubLeaves = cDocLimit + 3;
1146 return true;
1147 }
1148#endif
1149 *pcSubLeaves = UINT32_MAX;
1150 return true;
1151 }
1152
1153 /* Advance. */
1154 uSubLeaf++;
1155 memcpy(auPrev, auCur, sizeof(auCur));
1156 }
1157
1158 /* Standard exit. */
1159 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1160 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1161 if (*pcSubLeaves == 0)
1162 *pcSubLeaves = 1;
1163 return true;
1164}
1165
1166
1167/**
1168 * Gets a CPU ID leaf.
1169 *
1170 * @returns VBox status code.
1171 * @param pVM The cross context VM structure.
1172 * @param pLeaf Where to store the found leaf.
1173 * @param uLeaf The leaf to locate.
1174 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1175 */
1176VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1177{
1178 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1179 uLeaf, uSubLeaf);
1180 if (pcLeaf)
1181 {
1182 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1183 return VINF_SUCCESS;
1184 }
1185
1186 return VERR_NOT_FOUND;
1187}
1188
1189
1190/**
1191 * Inserts a CPU ID leaf, replacing any existing ones.
1192 *
1193 * @returns VBox status code.
1194 * @param pVM The cross context VM structure.
1195 * @param pNewLeaf Pointer to the leaf being inserted.
1196 */
1197VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1198{
1199 /*
1200 * Validate parameters.
1201 */
1202 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1203 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1204
1205 /*
1206 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1207 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1208 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1209 */
1210 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1211 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1212 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1213 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1214 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1215 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1216 {
1217 return VERR_NOT_SUPPORTED;
1218 }
1219
1220 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1221}
1222
1223/**
1224 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1225 *
1226 * @returns VBox status code.
1227 * @param ppaLeaves Where to return the array pointer on success.
1228 * Use RTMemFree to release.
1229 * @param pcLeaves Where to return the size of the array on
1230 * success.
1231 */
1232VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1233{
1234 *ppaLeaves = NULL;
1235 *pcLeaves = 0;
1236
1237 /*
1238 * Try out various candidates. This must be sorted!
1239 */
1240 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1241 {
1242 { UINT32_C(0x00000000), false },
1243 { UINT32_C(0x10000000), false },
1244 { UINT32_C(0x20000000), false },
1245 { UINT32_C(0x30000000), false },
1246 { UINT32_C(0x40000000), false },
1247 { UINT32_C(0x50000000), false },
1248 { UINT32_C(0x60000000), false },
1249 { UINT32_C(0x70000000), false },
1250 { UINT32_C(0x80000000), false },
1251 { UINT32_C(0x80860000), false },
1252 { UINT32_C(0x8ffffffe), true },
1253 { UINT32_C(0x8fffffff), true },
1254 { UINT32_C(0x90000000), false },
1255 { UINT32_C(0xa0000000), false },
1256 { UINT32_C(0xb0000000), false },
1257 { UINT32_C(0xc0000000), false },
1258 { UINT32_C(0xd0000000), false },
1259 { UINT32_C(0xe0000000), false },
1260 { UINT32_C(0xf0000000), false },
1261 };
1262
1263 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1264 {
1265 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1266 uint32_t uEax, uEbx, uEcx, uEdx;
1267 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1268
1269 /*
1270 * Does EAX look like a typical leaf count value?
1271 */
1272 if ( uEax > uLeaf
1273 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1274 {
1275 /* Yes, dump them. */
1276 uint32_t cLeaves = uEax - uLeaf + 1;
1277 while (cLeaves-- > 0)
1278 {
1279 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1280
1281 uint32_t fFlags = 0;
1282
1283 /* There are currently three known leaves containing an APIC ID
1284 that needs EMT specific attention */
1285 if (uLeaf == 1)
1286 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1287 else if (uLeaf == 0xb && uEcx != 0)
1288 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1289 else if ( uLeaf == UINT32_C(0x8000001e)
1290 && ( uEax
1291 || uEbx
1292 || uEdx
1293 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1294 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1295
1296 /* The APIC bit is per-VCpu and needs flagging. */
1297 if (uLeaf == 1)
1298 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1299 else if ( uLeaf == UINT32_C(0x80000001)
1300 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1301 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1302 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1303
1304 /* Check three times here to reduce the chance of CPU migration
1305 resulting in false positives with things like the APIC ID. */
1306 uint32_t cSubLeaves;
1307 bool fFinalEcxUnchanged;
1308 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1309 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1310 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1311 {
1312 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1313 {
1314 /* This shouldn't happen. But in case it does, file all
1315 relevant details in the release log. */
1316 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1317 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1318 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1319 {
1320 uint32_t auTmp[4];
1321 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1322 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1323 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1324 }
1325 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1326 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1327 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1328 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1329 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1330 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1331 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1332 }
1333
1334 if (fFinalEcxUnchanged)
1335 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1336
1337 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1338 {
1339 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1340 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1341 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1342 if (RT_FAILURE(rc))
1343 return rc;
1344 }
1345 }
1346 else
1347 {
1348 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1349 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1350 if (RT_FAILURE(rc))
1351 return rc;
1352 }
1353
1354 /* next */
1355 uLeaf++;
1356 }
1357 }
1358 /*
1359 * Special CPUIDs needs special handling as they don't follow the
1360 * leaf count principle used above.
1361 */
1362 else if (s_aCandidates[iOuter].fSpecial)
1363 {
1364 bool fKeep = false;
1365 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1366 fKeep = true;
1367 else if ( uLeaf == 0x8fffffff
1368 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1369 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1370 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1371 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1372 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1373 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1374 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1375 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1376 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1377 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1378 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1379 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1380 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1381 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1382 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1383 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1384 fKeep = true;
1385 if (fKeep)
1386 {
1387 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1388 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1389 if (RT_FAILURE(rc))
1390 return rc;
1391 }
1392 }
1393 }
1394
1395 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1396 return VINF_SUCCESS;
1397}
1398
1399
1400/**
1401 * Determines the method the CPU uses to handle unknown CPUID leaves.
1402 *
1403 * @returns VBox status code.
1404 * @param penmUnknownMethod Where to return the method.
1405 * @param pDefUnknown Where to return default unknown values. This
1406 * will be set, even if the resulting method
1407 * doesn't actually needs it.
1408 */
1409VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1410{
1411 uint32_t uLastStd = ASMCpuId_EAX(0);
1412 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1413 if (!ASMIsValidExtRange(uLastExt))
1414 uLastExt = 0x80000000;
1415
1416 uint32_t auChecks[] =
1417 {
1418 uLastStd + 1,
1419 uLastStd + 5,
1420 uLastStd + 8,
1421 uLastStd + 32,
1422 uLastStd + 251,
1423 uLastExt + 1,
1424 uLastExt + 8,
1425 uLastExt + 15,
1426 uLastExt + 63,
1427 uLastExt + 255,
1428 0x7fbbffcc,
1429 0x833f7872,
1430 0xefff2353,
1431 0x35779456,
1432 0x1ef6d33e,
1433 };
1434
1435 static const uint32_t s_auValues[] =
1436 {
1437 0xa95d2156,
1438 0x00000001,
1439 0x00000002,
1440 0x00000008,
1441 0x00000000,
1442 0x55773399,
1443 0x93401769,
1444 0x12039587,
1445 };
1446
1447 /*
1448 * Simple method, all zeros.
1449 */
1450 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1451 pDefUnknown->uEax = 0;
1452 pDefUnknown->uEbx = 0;
1453 pDefUnknown->uEcx = 0;
1454 pDefUnknown->uEdx = 0;
1455
1456 /*
1457 * Intel has been observed returning the last standard leaf.
1458 */
1459 uint32_t auLast[4];
1460 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1461
1462 uint32_t cChecks = RT_ELEMENTS(auChecks);
1463 while (cChecks > 0)
1464 {
1465 uint32_t auCur[4];
1466 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1467 if (memcmp(auCur, auLast, sizeof(auCur)))
1468 break;
1469 cChecks--;
1470 }
1471 if (cChecks == 0)
1472 {
1473 /* Now, what happens when the input changes? Esp. ECX. */
1474 uint32_t cTotal = 0;
1475 uint32_t cSame = 0;
1476 uint32_t cLastWithEcx = 0;
1477 uint32_t cNeither = 0;
1478 uint32_t cValues = RT_ELEMENTS(s_auValues);
1479 while (cValues > 0)
1480 {
1481 uint32_t uValue = s_auValues[cValues - 1];
1482 uint32_t auLastWithEcx[4];
1483 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1484 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1485
1486 cChecks = RT_ELEMENTS(auChecks);
1487 while (cChecks > 0)
1488 {
1489 uint32_t auCur[4];
1490 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1491 if (!memcmp(auCur, auLast, sizeof(auCur)))
1492 {
1493 cSame++;
1494 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1495 cLastWithEcx++;
1496 }
1497 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1498 cLastWithEcx++;
1499 else
1500 cNeither++;
1501 cTotal++;
1502 cChecks--;
1503 }
1504 cValues--;
1505 }
1506
1507 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1508 if (cSame == cTotal)
1509 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1510 else if (cLastWithEcx == cTotal)
1511 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1512 else
1513 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1514 pDefUnknown->uEax = auLast[0];
1515 pDefUnknown->uEbx = auLast[1];
1516 pDefUnknown->uEcx = auLast[2];
1517 pDefUnknown->uEdx = auLast[3];
1518 return VINF_SUCCESS;
1519 }
1520
1521 /*
1522 * Unchanged register values?
1523 */
1524 cChecks = RT_ELEMENTS(auChecks);
1525 while (cChecks > 0)
1526 {
1527 uint32_t const uLeaf = auChecks[cChecks - 1];
1528 uint32_t cValues = RT_ELEMENTS(s_auValues);
1529 while (cValues > 0)
1530 {
1531 uint32_t uValue = s_auValues[cValues - 1];
1532 uint32_t auCur[4];
1533 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1534 if ( auCur[0] != uLeaf
1535 || auCur[1] != uValue
1536 || auCur[2] != uValue
1537 || auCur[3] != uValue)
1538 break;
1539 cValues--;
1540 }
1541 if (cValues != 0)
1542 break;
1543 cChecks--;
1544 }
1545 if (cChecks == 0)
1546 {
1547 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1548 return VINF_SUCCESS;
1549 }
1550
1551 /*
1552 * Just go with the simple method.
1553 */
1554 return VINF_SUCCESS;
1555}
1556
1557
1558/**
1559 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1560 *
1561 * @returns Read only name string.
1562 * @param enmUnknownMethod The method to translate.
1563 */
1564VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1565{
1566 switch (enmUnknownMethod)
1567 {
1568 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1569 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1570 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1571 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1572
1573 case CPUMUNKNOWNCPUID_INVALID:
1574 case CPUMUNKNOWNCPUID_END:
1575 case CPUMUNKNOWNCPUID_32BIT_HACK:
1576 break;
1577 }
1578 return "Invalid-unknown-CPUID-method";
1579}
1580
1581
1582/**
1583 * Detect the CPU vendor give n the
1584 *
1585 * @returns The vendor.
1586 * @param uEAX EAX from CPUID(0).
1587 * @param uEBX EBX from CPUID(0).
1588 * @param uECX ECX from CPUID(0).
1589 * @param uEDX EDX from CPUID(0).
1590 */
1591VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1592{
1593 if (ASMIsValidStdRange(uEAX))
1594 {
1595 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1596 return CPUMCPUVENDOR_AMD;
1597
1598 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1599 return CPUMCPUVENDOR_INTEL;
1600
1601 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1602 return CPUMCPUVENDOR_VIA;
1603
1604 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1605 && uECX == UINT32_C(0x64616574)
1606 && uEDX == UINT32_C(0x736E4978))
1607 return CPUMCPUVENDOR_CYRIX;
1608
1609 /* "Geode by NSC", example: family 5, model 9. */
1610
1611 /** @todo detect the other buggers... */
1612 }
1613
1614 return CPUMCPUVENDOR_UNKNOWN;
1615}
1616
1617
1618/**
1619 * Translates a CPU vendor enum value into the corresponding string constant.
1620 *
1621 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1622 * value name. This can be useful when generating code.
1623 *
1624 * @returns Read only name string.
1625 * @param enmVendor The CPU vendor value.
1626 */
1627VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1628{
1629 switch (enmVendor)
1630 {
1631 case CPUMCPUVENDOR_INTEL: return "INTEL";
1632 case CPUMCPUVENDOR_AMD: return "AMD";
1633 case CPUMCPUVENDOR_VIA: return "VIA";
1634 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1635 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1636
1637 case CPUMCPUVENDOR_INVALID:
1638 case CPUMCPUVENDOR_32BIT_HACK:
1639 break;
1640 }
1641 return "Invalid-cpu-vendor";
1642}
1643
1644
1645static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1646{
1647 /* Could do binary search, doing linear now because I'm lazy. */
1648 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1649 while (cLeaves-- > 0)
1650 {
1651 if (pLeaf->uLeaf == uLeaf)
1652 return pLeaf;
1653 pLeaf++;
1654 }
1655 return NULL;
1656}
1657
1658
1659static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1660{
1661 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1662 if ( !pLeaf
1663 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1664 return pLeaf;
1665
1666 /* Linear sub-leaf search. Lazy as usual. */
1667 cLeaves -= pLeaf - paLeaves;
1668 while ( cLeaves-- > 0
1669 && pLeaf->uLeaf == uLeaf)
1670 {
1671 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1672 return pLeaf;
1673 pLeaf++;
1674 }
1675
1676 return NULL;
1677}
1678
1679
1680int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1681{
1682 RT_ZERO(*pFeatures);
1683 if (cLeaves >= 2)
1684 {
1685 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1686 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1687 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1688 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1689 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1690 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1691
1692 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1693 pStd0Leaf->uEbx,
1694 pStd0Leaf->uEcx,
1695 pStd0Leaf->uEdx);
1696 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1697 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1698 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1699 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1700 pFeatures->uFamily,
1701 pFeatures->uModel,
1702 pFeatures->uStepping);
1703
1704 PCCPUMCPUIDLEAF const pExtLeaf8 = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1705 if (pExtLeaf8)
1706 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1707 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1708 pFeatures->cMaxPhysAddrWidth = 36;
1709 else
1710 pFeatures->cMaxPhysAddrWidth = 32;
1711
1712 /* Standard features. */
1713 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1714 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1715 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1716 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1717 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1718 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1719 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1720 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1721 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1722 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1723 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1724 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1725 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1726 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1727 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1728 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1729 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1730 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1731 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1732 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1733 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1734 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1735 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1736 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1737 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1738
1739 /* Structured extended features. */
1740 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1741 if (pSxfLeaf0)
1742 {
1743 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1744 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1745 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1746 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1747 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1748
1749 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1750 pFeatures->fIbrs = pFeatures->fIbpb;
1751 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1752#if 0 // Disabled until IA32_ARCH_CAPABILITIES support can be tested
1753 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1754#endif
1755 }
1756
1757 /* MWAIT/MONITOR leaf. */
1758 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1759 if (pMWaitLeaf)
1760 {
1761 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1762 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1763 }
1764
1765 /* Extended features. */
1766 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1767 if (pExtLeaf)
1768 {
1769 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1770 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1771 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1772 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1773 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1774 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1775 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1776 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1777 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1778 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1779 }
1780
1781 if ( pExtLeaf
1782 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1783 {
1784 /* AMD features. */
1785 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1786 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1787 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1788 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1789 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1790 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1791 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1792 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1793 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1794 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1795 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1796 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1797 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1798 if (pFeatures->fSvm)
1799 {
1800 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1801 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1802 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1803 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1804 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1805 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1806 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1807 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1808 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1809 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1810 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1811 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1812 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1813 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1814 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1815 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1816 }
1817 }
1818
1819 /*
1820 * Quirks.
1821 */
1822 pFeatures->fLeakyFxSR = pExtLeaf
1823 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1824 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1825 && pFeatures->uFamily >= 6 /* K7 and up */;
1826
1827 /*
1828 * Max extended (/FPU) state.
1829 */
1830 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1831 if (pFeatures->fXSaveRstor)
1832 {
1833 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1834 if (pXStateLeaf0)
1835 {
1836 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1837 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1838 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1839 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1840 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1841 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1842 {
1843 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1844
1845 /* (paranoia:) */
1846 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1847 if ( pXStateLeaf1
1848 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1849 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1850 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1851 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1852 }
1853 else
1854 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1855 pFeatures->fXSaveRstor = 0);
1856 }
1857 else
1858 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1859 pFeatures->fXSaveRstor = 0);
1860 }
1861 }
1862 else
1863 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1864 return VINF_SUCCESS;
1865}
1866
1867
1868/*
1869 *
1870 * Init related code.
1871 * Init related code.
1872 * Init related code.
1873 *
1874 *
1875 */
1876#ifdef VBOX_IN_VMM
1877
1878
1879/**
1880 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1881 *
1882 * This ignores the fSubLeafMask.
1883 *
1884 * @returns Pointer to the matching leaf, or NULL if not found.
1885 * @param paLeaves The CPUID leaves to search. This is sorted.
1886 * @param cLeaves The number of leaves in the array.
1887 * @param uLeaf The leaf to locate.
1888 * @param uSubLeaf The subleaf to locate.
1889 */
1890static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1891{
1892 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1893 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1894 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1895 if (iEnd)
1896 {
1897 uint32_t iBegin = 0;
1898 for (;;)
1899 {
1900 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1901 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1902 if (uNeedle < uCur)
1903 {
1904 if (i > iBegin)
1905 iEnd = i;
1906 else
1907 break;
1908 }
1909 else if (uNeedle > uCur)
1910 {
1911 if (i + 1 < iEnd)
1912 iBegin = i + 1;
1913 else
1914 break;
1915 }
1916 else
1917 return &paLeaves[i];
1918 }
1919 }
1920 return NULL;
1921}
1922
1923
1924/**
1925 * Loads MSR range overrides.
1926 *
1927 * This must be called before the MSR ranges are moved from the normal heap to
1928 * the hyper heap!
1929 *
1930 * @returns VBox status code (VMSetError called).
1931 * @param pVM The cross context VM structure.
1932 * @param pMsrNode The CFGM node with the MSR overrides.
1933 */
1934static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1935{
1936 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1937 {
1938 /*
1939 * Assemble a valid MSR range.
1940 */
1941 CPUMMSRRANGE MsrRange;
1942 MsrRange.offCpumCpu = 0;
1943 MsrRange.fReserved = 0;
1944
1945 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1946 if (RT_FAILURE(rc))
1947 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1948
1949 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1950 if (RT_FAILURE(rc))
1951 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1952 MsrRange.szName, rc);
1953
1954 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1955 if (RT_FAILURE(rc))
1956 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1957 MsrRange.szName, rc);
1958
1959 char szType[32];
1960 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1961 if (RT_FAILURE(rc))
1962 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1963 MsrRange.szName, rc);
1964 if (!RTStrICmp(szType, "FixedValue"))
1965 {
1966 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1967 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1968
1969 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1970 if (RT_FAILURE(rc))
1971 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1972 MsrRange.szName, rc);
1973
1974 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1975 if (RT_FAILURE(rc))
1976 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1977 MsrRange.szName, rc);
1978
1979 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1980 if (RT_FAILURE(rc))
1981 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1982 MsrRange.szName, rc);
1983 }
1984 else
1985 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1986 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1987
1988 /*
1989 * Insert the range into the table (replaces/splits/shrinks existing
1990 * MSR ranges).
1991 */
1992 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1993 &MsrRange);
1994 if (RT_FAILURE(rc))
1995 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1996 }
1997
1998 return VINF_SUCCESS;
1999}
2000
2001
2002/**
2003 * Loads CPUID leaf overrides.
2004 *
2005 * This must be called before the CPUID leaves are moved from the normal
2006 * heap to the hyper heap!
2007 *
2008 * @returns VBox status code (VMSetError called).
2009 * @param pVM The cross context VM structure.
2010 * @param pParentNode The CFGM node with the CPUID leaves.
2011 * @param pszLabel How to label the overrides we're loading.
2012 */
2013static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2014{
2015 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2016 {
2017 /*
2018 * Get the leaf and subleaf numbers.
2019 */
2020 char szName[128];
2021 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2022 if (RT_FAILURE(rc))
2023 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2024
2025 /* The leaf number is either specified directly or thru the node name. */
2026 uint32_t uLeaf;
2027 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2028 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2029 {
2030 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2031 if (rc != VINF_SUCCESS)
2032 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2033 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2034 }
2035 else if (RT_FAILURE(rc))
2036 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2037 pszLabel, szName, rc);
2038
2039 uint32_t uSubLeaf;
2040 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2041 if (RT_FAILURE(rc))
2042 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2043 pszLabel, szName, rc);
2044
2045 uint32_t fSubLeafMask;
2046 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2047 if (RT_FAILURE(rc))
2048 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2049 pszLabel, szName, rc);
2050
2051 /*
2052 * Look up the specified leaf, since the output register values
2053 * defaults to any existing values. This allows overriding a single
2054 * register, without needing to know the other values.
2055 */
2056 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2057 CPUMCPUIDLEAF Leaf;
2058 if (pLeaf)
2059 Leaf = *pLeaf;
2060 else
2061 RT_ZERO(Leaf);
2062 Leaf.uLeaf = uLeaf;
2063 Leaf.uSubLeaf = uSubLeaf;
2064 Leaf.fSubLeafMask = fSubLeafMask;
2065
2066 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2067 if (RT_FAILURE(rc))
2068 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2069 pszLabel, szName, rc);
2070 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2071 if (RT_FAILURE(rc))
2072 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2073 pszLabel, szName, rc);
2074 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2075 if (RT_FAILURE(rc))
2076 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2077 pszLabel, szName, rc);
2078 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2079 if (RT_FAILURE(rc))
2080 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2081 pszLabel, szName, rc);
2082
2083 /*
2084 * Insert the leaf into the table (replaces existing ones).
2085 */
2086 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2087 &Leaf);
2088 if (RT_FAILURE(rc))
2089 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2090 }
2091
2092 return VINF_SUCCESS;
2093}
2094
2095
2096
2097/**
2098 * Fetches overrides for a CPUID leaf.
2099 *
2100 * @returns VBox status code.
2101 * @param pLeaf The leaf to load the overrides into.
2102 * @param pCfgNode The CFGM node containing the overrides
2103 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2104 * @param iLeaf The CPUID leaf number.
2105 */
2106static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2107{
2108 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2109 if (pLeafNode)
2110 {
2111 uint32_t u32;
2112 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2113 if (RT_SUCCESS(rc))
2114 pLeaf->uEax = u32;
2115 else
2116 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2117
2118 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2119 if (RT_SUCCESS(rc))
2120 pLeaf->uEbx = u32;
2121 else
2122 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2123
2124 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2125 if (RT_SUCCESS(rc))
2126 pLeaf->uEcx = u32;
2127 else
2128 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2129
2130 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2131 if (RT_SUCCESS(rc))
2132 pLeaf->uEdx = u32;
2133 else
2134 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2135
2136 }
2137 return VINF_SUCCESS;
2138}
2139
2140
2141/**
2142 * Load the overrides for a set of CPUID leaves.
2143 *
2144 * @returns VBox status code.
2145 * @param paLeaves The leaf array.
2146 * @param cLeaves The number of leaves.
2147 * @param uStart The start leaf number.
2148 * @param pCfgNode The CFGM node containing the overrides
2149 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2150 */
2151static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2152{
2153 for (uint32_t i = 0; i < cLeaves; i++)
2154 {
2155 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2156 if (RT_FAILURE(rc))
2157 return rc;
2158 }
2159
2160 return VINF_SUCCESS;
2161}
2162
2163
2164/**
2165 * Installs the CPUID leaves and explods the data into structures like
2166 * GuestFeatures and CPUMCTX::aoffXState.
2167 *
2168 * @returns VBox status code.
2169 * @param pVM The cross context VM structure.
2170 * @param pCpum The CPUM part of @a VM.
2171 * @param paLeaves The leaves. These will be copied (but not freed).
2172 * @param cLeaves The number of leaves.
2173 */
2174static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2175{
2176 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2177
2178 /*
2179 * Install the CPUID information.
2180 */
2181 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2182 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2183
2184 AssertLogRelRCReturn(rc, rc);
2185 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2186 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2187 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2188 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2189 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2190
2191 /*
2192 * Update the default CPUID leaf if necessary.
2193 */
2194 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2195 {
2196 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2197 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2198 {
2199 /* We don't use CPUID(0).eax here because of the NT hack that only
2200 changes that value without actually removing any leaves. */
2201 uint32_t i = 0;
2202 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2203 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2204 {
2205 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2206 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2207 i++;
2208 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2209 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2210 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2211 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2212 }
2213 break;
2214 }
2215 default:
2216 break;
2217 }
2218
2219 /*
2220 * Explode the guest CPU features.
2221 */
2222 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2223 AssertLogRelRCReturn(rc, rc);
2224
2225 /*
2226 * Adjust the scalable bus frequency according to the CPUID information
2227 * we're now using.
2228 */
2229 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2230 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2231 ? UINT64_C(100000000) /* 100MHz */
2232 : UINT64_C(133333333); /* 133MHz */
2233
2234 /*
2235 * Populate the legacy arrays. Currently used for everything, later only
2236 * for patch manager.
2237 */
2238 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2239 {
2240 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2241 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2242 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2243 };
2244 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2245 {
2246 uint32_t cLeft = aOldRanges[i].cCpuIds;
2247 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2248 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2249 while (cLeft-- > 0)
2250 {
2251 uLeaf--;
2252 pLegacyLeaf--;
2253
2254 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2255 if (pLeaf)
2256 {
2257 pLegacyLeaf->uEax = pLeaf->uEax;
2258 pLegacyLeaf->uEbx = pLeaf->uEbx;
2259 pLegacyLeaf->uEcx = pLeaf->uEcx;
2260 pLegacyLeaf->uEdx = pLeaf->uEdx;
2261 }
2262 else
2263 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2264 }
2265 }
2266
2267 /*
2268 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2269 */
2270 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2271 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2272 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2273 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2274 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2275 {
2276 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2277 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2278 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2279 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2280 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2281 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2282 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2283 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2284 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2285 pCpum->GuestFeatures.cbMaxExtendedState),
2286 VERR_CPUM_IPE_1);
2287 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2288 }
2289 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2290
2291 /* Copy the CPU #0 data to the other CPUs. */
2292 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2293 {
2294 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2295 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2296 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2297 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2298 }
2299
2300 return VINF_SUCCESS;
2301}
2302
2303
2304/** @name Instruction Set Extension Options
2305 * @{ */
2306/** Configuration option type (extended boolean, really). */
2307typedef uint8_t CPUMISAEXTCFG;
2308/** Always disable the extension. */
2309#define CPUMISAEXTCFG_DISABLED false
2310/** Enable the extension if it's supported by the host CPU. */
2311#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2312/** Enable the extension if it's supported by the host CPU, but don't let
2313 * the portable CPUID feature disable it. */
2314#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2315/** Always enable the extension. */
2316#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2317/** @} */
2318
2319/**
2320 * CPUID Configuration (from CFGM).
2321 *
2322 * @remarks The members aren't document since we would only be duplicating the
2323 * \@cfgm entries in cpumR3CpuIdReadConfig.
2324 */
2325typedef struct CPUMCPUIDCONFIG
2326{
2327 bool fNt4LeafLimit;
2328 bool fInvariantTsc;
2329 bool fForceVme;
2330 bool fNestedHWVirt;
2331
2332 CPUMISAEXTCFG enmCmpXchg16b;
2333 CPUMISAEXTCFG enmMonitor;
2334 CPUMISAEXTCFG enmMWaitExtensions;
2335 CPUMISAEXTCFG enmSse41;
2336 CPUMISAEXTCFG enmSse42;
2337 CPUMISAEXTCFG enmAvx;
2338 CPUMISAEXTCFG enmAvx2;
2339 CPUMISAEXTCFG enmXSave;
2340 CPUMISAEXTCFG enmAesNi;
2341 CPUMISAEXTCFG enmPClMul;
2342 CPUMISAEXTCFG enmPopCnt;
2343 CPUMISAEXTCFG enmMovBe;
2344 CPUMISAEXTCFG enmRdRand;
2345 CPUMISAEXTCFG enmRdSeed;
2346 CPUMISAEXTCFG enmCLFlushOpt;
2347 CPUMISAEXTCFG enmFsGsBase;
2348 CPUMISAEXTCFG enmPcid;
2349 CPUMISAEXTCFG enmInvpcid;
2350
2351 CPUMISAEXTCFG enmAbm;
2352 CPUMISAEXTCFG enmSse4A;
2353 CPUMISAEXTCFG enmMisAlnSse;
2354 CPUMISAEXTCFG enm3dNowPrf;
2355 CPUMISAEXTCFG enmAmdExtMmx;
2356
2357 uint32_t uMaxStdLeaf;
2358 uint32_t uMaxExtLeaf;
2359 uint32_t uMaxCentaurLeaf;
2360 uint32_t uMaxIntelFamilyModelStep;
2361 char szCpuName[128];
2362} CPUMCPUIDCONFIG;
2363/** Pointer to CPUID config (from CFGM). */
2364typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2365
2366
2367/**
2368 * Mini CPU selection support for making Mac OS X happy.
2369 *
2370 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2371 *
2372 * @param pCpum The CPUM instance data.
2373 * @param pConfig The CPUID configuration we've read from CFGM.
2374 */
2375static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2376{
2377 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2378 {
2379 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2380 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2381 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2382 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2383 0);
2384 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2385 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2386 {
2387 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2388 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2389 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2390 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2391 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2392 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2393 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2394 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2395 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2396 pStdFeatureLeaf->uEax = uNew;
2397 }
2398 }
2399}
2400
2401
2402
2403/**
2404 * Limit it the number of entries, zapping the remainder.
2405 *
2406 * The limits are masking off stuff about power saving and similar, this
2407 * is perhaps a bit crudely done as there is probably some relatively harmless
2408 * info too in these leaves (like words about having a constant TSC).
2409 *
2410 * @param pCpum The CPUM instance data.
2411 * @param pConfig The CPUID configuration we've read from CFGM.
2412 */
2413static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2414{
2415 /*
2416 * Standard leaves.
2417 */
2418 uint32_t uSubLeaf = 0;
2419 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2420 if (pCurLeaf)
2421 {
2422 uint32_t uLimit = pCurLeaf->uEax;
2423 if (uLimit <= UINT32_C(0x000fffff))
2424 {
2425 if (uLimit > pConfig->uMaxStdLeaf)
2426 {
2427 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2428 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2429 uLimit + 1, UINT32_C(0x000fffff));
2430 }
2431
2432 /* NT4 hack, no zapping of extra leaves here. */
2433 if (pConfig->fNt4LeafLimit && uLimit > 3)
2434 pCurLeaf->uEax = uLimit = 3;
2435
2436 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2437 pCurLeaf->uEax = uLimit;
2438 }
2439 else
2440 {
2441 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2442 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2443 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2444 }
2445 }
2446
2447 /*
2448 * Extended leaves.
2449 */
2450 uSubLeaf = 0;
2451 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2452 if (pCurLeaf)
2453 {
2454 uint32_t uLimit = pCurLeaf->uEax;
2455 if ( uLimit >= UINT32_C(0x80000000)
2456 && uLimit <= UINT32_C(0x800fffff))
2457 {
2458 if (uLimit > pConfig->uMaxExtLeaf)
2459 {
2460 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2461 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2462 uLimit + 1, UINT32_C(0x800fffff));
2463 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2464 pCurLeaf->uEax = uLimit;
2465 }
2466 }
2467 else
2468 {
2469 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2470 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2471 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2472 }
2473 }
2474
2475 /*
2476 * Centaur leaves (VIA).
2477 */
2478 uSubLeaf = 0;
2479 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2480 if (pCurLeaf)
2481 {
2482 uint32_t uLimit = pCurLeaf->uEax;
2483 if ( uLimit >= UINT32_C(0xc0000000)
2484 && uLimit <= UINT32_C(0xc00fffff))
2485 {
2486 if (uLimit > pConfig->uMaxCentaurLeaf)
2487 {
2488 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2489 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2490 uLimit + 1, UINT32_C(0xcfffffff));
2491 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2492 pCurLeaf->uEax = uLimit;
2493 }
2494 }
2495 else
2496 {
2497 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2498 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2499 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2500 }
2501 }
2502}
2503
2504
2505/**
2506 * Clears a CPUID leaf and all sub-leaves (to zero).
2507 *
2508 * @param pCpum The CPUM instance data.
2509 * @param uLeaf The leaf to clear.
2510 */
2511static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2512{
2513 uint32_t uSubLeaf = 0;
2514 PCPUMCPUIDLEAF pCurLeaf;
2515 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2516 {
2517 pCurLeaf->uEax = 0;
2518 pCurLeaf->uEbx = 0;
2519 pCurLeaf->uEcx = 0;
2520 pCurLeaf->uEdx = 0;
2521 uSubLeaf++;
2522 }
2523}
2524
2525
2526/**
2527 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2528 * the given leaf.
2529 *
2530 * @returns pLeaf.
2531 * @param pCpum The CPUM instance data.
2532 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2533 */
2534static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2535{
2536 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2537 if (pLeaf->fSubLeafMask != 0)
2538 {
2539 /*
2540 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2541 * Log everything while we're at it.
2542 */
2543 LogRel(("CPUM:\n"
2544 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2545 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2546 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2547 for (;;)
2548 {
2549 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2550 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2551 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2552 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2553 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2554 break;
2555 pSubLeaf++;
2556 }
2557 LogRel(("CPUM:\n"));
2558
2559 /*
2560 * Remove the offending sub-leaves.
2561 */
2562 if (pSubLeaf != pLeaf)
2563 {
2564 if (pSubLeaf != pLast)
2565 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2566 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2567 }
2568
2569 /*
2570 * Convert the first sub-leaf into a single leaf.
2571 */
2572 pLeaf->uSubLeaf = 0;
2573 pLeaf->fSubLeafMask = 0;
2574 }
2575 return pLeaf;
2576}
2577
2578
2579/**
2580 * Sanitizes and adjust the CPUID leaves.
2581 *
2582 * Drop features that aren't virtualized (or virtualizable). Adjust information
2583 * and capabilities to fit the virtualized hardware. Remove information the
2584 * guest shouldn't have (because it's wrong in the virtual world or because it
2585 * gives away host details) or that we don't have documentation for and no idea
2586 * what means.
2587 *
2588 * @returns VBox status code.
2589 * @param pVM The cross context VM structure (for cCpus).
2590 * @param pCpum The CPUM instance data.
2591 * @param pConfig The CPUID configuration we've read from CFGM.
2592 */
2593static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2594{
2595#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2596 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2597 { \
2598 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2599 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2600 }
2601#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2602 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2603 { \
2604 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2605 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2606 }
2607#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2608 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2609 && ((a_pLeafReg) & (fBitMask)) \
2610 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2611 { \
2612 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2613 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2614 }
2615 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2616
2617 /* Cpuid 1:
2618 * EAX: CPU model, family and stepping.
2619 *
2620 * ECX + EDX: Supported features. Only report features we can support.
2621 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2622 * options may require adjusting (i.e. stripping what was enabled).
2623 *
2624 * EBX: Branding, CLFLUSH line size, logical processors per package and
2625 * initial APIC ID.
2626 */
2627 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2628 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2629 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2630
2631 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2632 | X86_CPUID_FEATURE_EDX_VME
2633 | X86_CPUID_FEATURE_EDX_DE
2634 | X86_CPUID_FEATURE_EDX_PSE
2635 | X86_CPUID_FEATURE_EDX_TSC
2636 | X86_CPUID_FEATURE_EDX_MSR
2637 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2638 | X86_CPUID_FEATURE_EDX_MCE
2639 | X86_CPUID_FEATURE_EDX_CX8
2640 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2641 //| RT_BIT_32(10) - not defined
2642 /* 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}) */
2643 //| X86_CPUID_FEATURE_EDX_SEP
2644 | X86_CPUID_FEATURE_EDX_MTRR
2645 | X86_CPUID_FEATURE_EDX_PGE
2646 | X86_CPUID_FEATURE_EDX_MCA
2647 | X86_CPUID_FEATURE_EDX_CMOV
2648 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2649 | X86_CPUID_FEATURE_EDX_PSE36
2650 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2651 | X86_CPUID_FEATURE_EDX_CLFSH
2652 //| RT_BIT_32(20) - not defined
2653 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2654 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2655 | X86_CPUID_FEATURE_EDX_MMX
2656 | X86_CPUID_FEATURE_EDX_FXSR
2657 | X86_CPUID_FEATURE_EDX_SSE
2658 | X86_CPUID_FEATURE_EDX_SSE2
2659 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2660 | X86_CPUID_FEATURE_EDX_HTT
2661 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2662 //| RT_BIT_32(30) - not defined
2663 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2664 ;
2665 pStdFeatureLeaf->uEcx &= 0
2666 | X86_CPUID_FEATURE_ECX_SSE3
2667 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2668 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2669 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2670 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2671 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2672 //| X86_CPUID_FEATURE_ECX_VMX - not virtualized yet.
2673 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2674 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2675 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2676 | X86_CPUID_FEATURE_ECX_SSSE3
2677 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2678 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2679 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2680 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2681 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2682 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2683 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2684 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2685 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2686 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2687 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2688 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2689 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2690 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2691 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2692 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2693 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2694 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2695 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2696 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2697 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2698 ;
2699
2700 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2701 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2702 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2703 {
2704 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2705 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2706 }
2707
2708 if (pCpum->u8PortableCpuIdLevel > 0)
2709 {
2710 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2711 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2712 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2713 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2714 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2715 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2716 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2717 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2718 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2719 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2720 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2721 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2722 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2723 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2724 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2725 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2726 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2727 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2728 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2729
2730 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2731 | X86_CPUID_FEATURE_EDX_PSN
2732 | X86_CPUID_FEATURE_EDX_DS
2733 | X86_CPUID_FEATURE_EDX_ACPI
2734 | X86_CPUID_FEATURE_EDX_SS
2735 | X86_CPUID_FEATURE_EDX_TM
2736 | X86_CPUID_FEATURE_EDX_PBE
2737 )));
2738 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2739 | X86_CPUID_FEATURE_ECX_CPLDS
2740 | X86_CPUID_FEATURE_ECX_VMX
2741 | X86_CPUID_FEATURE_ECX_SMX
2742 | X86_CPUID_FEATURE_ECX_EST
2743 | X86_CPUID_FEATURE_ECX_TM2
2744 | X86_CPUID_FEATURE_ECX_CNTXID
2745 | X86_CPUID_FEATURE_ECX_FMA
2746 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2747 | X86_CPUID_FEATURE_ECX_PDCM
2748 | X86_CPUID_FEATURE_ECX_DCA
2749 | X86_CPUID_FEATURE_ECX_OSXSAVE
2750 )));
2751 }
2752
2753 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2754 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2755
2756 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2757 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2758 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2759 */
2760#ifdef VBOX_WITH_MULTI_CORE
2761 if (pVM->cCpus > 1)
2762 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2763#endif
2764 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2765 {
2766 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2767 core times the number of CPU cores per processor */
2768#ifdef VBOX_WITH_MULTI_CORE
2769 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2770#else
2771 /* Single logical processor in a package. */
2772 pStdFeatureLeaf->uEbx |= (1 << 16);
2773#endif
2774 }
2775
2776 uint32_t uMicrocodeRev;
2777 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2778 if (RT_SUCCESS(rc))
2779 {
2780 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2781 }
2782 else
2783 {
2784 uMicrocodeRev = 0;
2785 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2786 }
2787
2788 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2789 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2790 */
2791 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2792 && uMicrocodeRev < 0x8001126
2793 && !pConfig->fForceVme)
2794 {
2795 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2796 LogRel(("CPUM: Zen VME workaround engaged\n"));
2797 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2798 }
2799
2800 /* Force standard feature bits. */
2801 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2802 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2803 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2804 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2805 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2806 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2807 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2808 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2809 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2810 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2811 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2812 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2813 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2814 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2815 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2816 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2817 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2818 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2819 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2820 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2821 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2822 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2823
2824 pStdFeatureLeaf = NULL; /* Must refetch! */
2825
2826 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2827 * AMD:
2828 * EAX: CPU model, family and stepping.
2829 *
2830 * ECX + EDX: Supported features. Only report features we can support.
2831 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2832 * options may require adjusting (i.e. stripping what was enabled).
2833 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2834 *
2835 * EBX: Branding ID and package type (or reserved).
2836 *
2837 * Intel and probably most others:
2838 * EAX: 0
2839 * EBX: 0
2840 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2841 */
2842 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2843 if (pExtFeatureLeaf)
2844 {
2845 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2846
2847 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2848 | X86_CPUID_AMD_FEATURE_EDX_VME
2849 | X86_CPUID_AMD_FEATURE_EDX_DE
2850 | X86_CPUID_AMD_FEATURE_EDX_PSE
2851 | X86_CPUID_AMD_FEATURE_EDX_TSC
2852 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2853 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2854 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2855 | X86_CPUID_AMD_FEATURE_EDX_CX8
2856 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2857 //| RT_BIT_32(10) - reserved
2858 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2859 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2860 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2861 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2862 | X86_CPUID_AMD_FEATURE_EDX_PGE
2863 | X86_CPUID_AMD_FEATURE_EDX_MCA
2864 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2865 | X86_CPUID_AMD_FEATURE_EDX_PAT
2866 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2867 //| RT_BIT_32(18) - reserved
2868 //| RT_BIT_32(19) - reserved
2869 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2870 //| RT_BIT_32(21) - reserved
2871 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2872 | X86_CPUID_AMD_FEATURE_EDX_MMX
2873 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2874 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2875 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2876 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2877 //| RT_BIT_32(28) - reserved
2878 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2879 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2880 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2881 ;
2882 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2883 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2884 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2885 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2886 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2887 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2888 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2889 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2890 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2891 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2892 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2893 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2894 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2895 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2896 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2897 //| RT_BIT_32(14) - reserved
2898 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2899 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2900 //| RT_BIT_32(17) - reserved
2901 //| RT_BIT_32(18) - reserved
2902 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2903 //| RT_BIT_32(20) - reserved
2904 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2905 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2906 //| RT_BIT_32(23) - reserved
2907 //| RT_BIT_32(24) - reserved
2908 //| RT_BIT_32(25) - reserved
2909 //| RT_BIT_32(26) - reserved
2910 //| RT_BIT_32(27) - reserved
2911 //| RT_BIT_32(28) - reserved
2912 //| RT_BIT_32(29) - reserved
2913 //| RT_BIT_32(30) - reserved
2914 //| RT_BIT_32(31) - reserved
2915 ;
2916#ifdef VBOX_WITH_MULTI_CORE
2917 if ( pVM->cCpus > 1
2918 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2919 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2920#endif
2921
2922 if (pCpum->u8PortableCpuIdLevel > 0)
2923 {
2924 CPUMISAEXTCFG enmSvm = pConfig->fNestedHWVirt ? CPUMISAEXTCFG_ENABLED_SUPPORTED : CPUMISAEXTCFG_DISABLED;
2925 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2926 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM, enmSvm);
2927 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2928 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2929 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2930 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2931 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2932 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2933 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2934 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2935 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2936 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2937 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2938 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2939 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2940 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2941
2942 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2943 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2944 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2945 | X86_CPUID_AMD_FEATURE_ECX_IBS
2946 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2947 | X86_CPUID_AMD_FEATURE_ECX_WDT
2948 | X86_CPUID_AMD_FEATURE_ECX_LWP
2949 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2950 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2951 | UINT32_C(0xff964000)
2952 )));
2953 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2954 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2955 | RT_BIT(18)
2956 | RT_BIT(19)
2957 | RT_BIT(21)
2958 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2959 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2960 | RT_BIT(28)
2961 )));
2962 }
2963
2964 /* Force extended feature bits. */
2965 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2966 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2967 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2968 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2969 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2970 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2971 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2972 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2973 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2974 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2975 }
2976 pExtFeatureLeaf = NULL; /* Must refetch! */
2977
2978
2979 /* Cpuid 2:
2980 * Intel: (Nondeterministic) Cache and TLB information
2981 * AMD: Reserved
2982 * VIA: Reserved
2983 * Safe to expose.
2984 */
2985 uint32_t uSubLeaf = 0;
2986 PCPUMCPUIDLEAF pCurLeaf;
2987 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2988 {
2989 if ((pCurLeaf->uEax & 0xff) > 1)
2990 {
2991 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2992 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2993 }
2994 uSubLeaf++;
2995 }
2996
2997 /* Cpuid 3:
2998 * Intel: EAX, EBX - reserved (transmeta uses these)
2999 * ECX, EDX - Processor Serial Number if available, otherwise reserved
3000 * AMD: Reserved
3001 * VIA: Reserved
3002 * Safe to expose
3003 */
3004 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3005 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3006 {
3007 uSubLeaf = 0;
3008 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3009 {
3010 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3011 if (pCpum->u8PortableCpuIdLevel > 0)
3012 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3013 uSubLeaf++;
3014 }
3015 }
3016
3017 /* Cpuid 4 + ECX:
3018 * Intel: Deterministic Cache Parameters Leaf.
3019 * AMD: Reserved
3020 * VIA: Reserved
3021 * Safe to expose, except for EAX:
3022 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3023 * Bits 31-26: Maximum number of processor cores in this physical package**
3024 * Note: These SMP values are constant regardless of ECX
3025 */
3026 uSubLeaf = 0;
3027 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3028 {
3029 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3030#ifdef VBOX_WITH_MULTI_CORE
3031 if ( pVM->cCpus > 1
3032 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3033 {
3034 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3035 /* One logical processor with possibly multiple cores. */
3036 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3037 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3038 }
3039#endif
3040 uSubLeaf++;
3041 }
3042
3043 /* Cpuid 5: Monitor/mwait Leaf
3044 * Intel: ECX, EDX - reserved
3045 * EAX, EBX - Smallest and largest monitor line size
3046 * AMD: EDX - reserved
3047 * EAX, EBX - Smallest and largest monitor line size
3048 * ECX - extensions (ignored for now)
3049 * VIA: Reserved
3050 * Safe to expose
3051 */
3052 uSubLeaf = 0;
3053 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3054 {
3055 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3056 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3057 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3058
3059 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3060 if (pConfig->enmMWaitExtensions)
3061 {
3062 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3063 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3064 it shall be part of our power management virtualization model */
3065#if 0
3066 /* MWAIT sub C-states */
3067 pCurLeaf->uEdx =
3068 (0 << 0) /* 0 in C0 */ |
3069 (2 << 4) /* 2 in C1 */ |
3070 (2 << 8) /* 2 in C2 */ |
3071 (2 << 12) /* 2 in C3 */ |
3072 (0 << 16) /* 0 in C4 */
3073 ;
3074#endif
3075 }
3076 else
3077 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3078 uSubLeaf++;
3079 }
3080
3081 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3082 * Intel: Various stuff.
3083 * AMD: EAX, EBX, EDX - reserved.
3084 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3085 * present. Same as intel.
3086 * VIA: ??
3087 *
3088 * We clear everything here for now.
3089 */
3090 cpumR3CpuIdZeroLeaf(pCpum, 6);
3091
3092 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3093 * EAX: Number of sub leaves.
3094 * EBX+ECX+EDX: Feature flags
3095 *
3096 * We only have documentation for one sub-leaf, so clear all other (no need
3097 * to remove them as such, just set them to zero).
3098 *
3099 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3100 * options may require adjusting (i.e. stripping what was enabled).
3101 */
3102 uSubLeaf = 0;
3103 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3104 {
3105 switch (uSubLeaf)
3106 {
3107 case 0:
3108 {
3109 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3110 pCurLeaf->uEbx &= 0
3111 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3112 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3113 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3114 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3115 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3116 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3117 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3118 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3119 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3120 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3121 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3122 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3123 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3124 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3125 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3126 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3127 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3128 //| RT_BIT(17) - reserved
3129 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3130 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3131 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3132 //| RT_BIT(21) - reserved
3133 //| RT_BIT(22) - reserved
3134 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3135 //| RT_BIT(24) - reserved
3136 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3137 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3138 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3139 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3140 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3141 //| RT_BIT(30) - reserved
3142 //| RT_BIT(31) - reserved
3143 ;
3144 pCurLeaf->uEcx &= 0
3145 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3146 ;
3147 pCurLeaf->uEdx &= 0
3148 //| X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB RT_BIT(26)
3149 //| X86_CPUID_STEXT_FEATURE_EDX_STIBP RT_BIT(27)
3150 //| X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP RT_BIT(29)
3151 ;
3152
3153 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3154 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3155 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3156 {
3157 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3158 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to work around buggy guests\n"));
3159 }
3160
3161 if (pCpum->u8PortableCpuIdLevel > 0)
3162 {
3163 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3164 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3165 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3166 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3167 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3168 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3169 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3170 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3171 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3172 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3173 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3174 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3175 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3176 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3177 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3178 }
3179
3180 /* Force standard feature bits. */
3181 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3182 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3183 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3184 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3185 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3186 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3187 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3188 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3189 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3190 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3191 break;
3192 }
3193
3194 default:
3195 /* Invalid index, all values are zero. */
3196 pCurLeaf->uEax = 0;
3197 pCurLeaf->uEbx = 0;
3198 pCurLeaf->uEcx = 0;
3199 pCurLeaf->uEdx = 0;
3200 break;
3201 }
3202 uSubLeaf++;
3203 }
3204
3205 /* Cpuid 8: Marked as reserved by Intel and AMD.
3206 * We zero this since we don't know what it may have been used for.
3207 */
3208 cpumR3CpuIdZeroLeaf(pCpum, 8);
3209
3210 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3211 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3212 * EBX, ECX, EDX - reserved.
3213 * AMD: Reserved
3214 * VIA: ??
3215 *
3216 * We zero this.
3217 */
3218 cpumR3CpuIdZeroLeaf(pCpum, 9);
3219
3220 /* Cpuid 0xa: Architectural Performance Monitor Features
3221 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3222 * EBX, ECX, EDX - reserved.
3223 * AMD: Reserved
3224 * VIA: ??
3225 *
3226 * We zero this, for now at least.
3227 */
3228 cpumR3CpuIdZeroLeaf(pCpum, 10);
3229
3230 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3231 * Intel: EAX - APCI ID shift right for next level.
3232 * EBX - Factory configured cores/threads at this level.
3233 * ECX - Level number (same as input) and level type (1,2,0).
3234 * EDX - Extended initial APIC ID.
3235 * AMD: Reserved
3236 * VIA: ??
3237 */
3238 uSubLeaf = 0;
3239 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3240 {
3241 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3242 {
3243 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3244 if (bLevelType == 1)
3245 {
3246 /* Thread level - we don't do threads at the moment. */
3247 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3248 pCurLeaf->uEbx = 1;
3249 }
3250 else if (bLevelType == 2)
3251 {
3252 /* Core level. */
3253 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... */
3254#ifdef VBOX_WITH_MULTI_CORE
3255 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3256 pCurLeaf->uEax++;
3257#endif
3258 pCurLeaf->uEbx = pVM->cCpus;
3259 }
3260 else
3261 {
3262 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3263 pCurLeaf->uEax = 0;
3264 pCurLeaf->uEbx = 0;
3265 pCurLeaf->uEcx = 0;
3266 }
3267 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3268 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3269 }
3270 else
3271 {
3272 pCurLeaf->uEax = 0;
3273 pCurLeaf->uEbx = 0;
3274 pCurLeaf->uEcx = 0;
3275 pCurLeaf->uEdx = 0;
3276 }
3277 uSubLeaf++;
3278 }
3279
3280 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3281 * We zero this since we don't know what it may have been used for.
3282 */
3283 cpumR3CpuIdZeroLeaf(pCpum, 12);
3284
3285 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3286 * ECX=0: EAX - Valid bits in XCR0[31:0].
3287 * EBX - Maximum state size as per current XCR0 value.
3288 * ECX - Maximum state size for all supported features.
3289 * EDX - Valid bits in XCR0[63:32].
3290 * ECX=1: EAX - Various X-features.
3291 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3292 * ECX - Valid bits in IA32_XSS[31:0].
3293 * EDX - Valid bits in IA32_XSS[63:32].
3294 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3295 * if the bit invalid all four registers are set to zero.
3296 * EAX - The state size for this feature.
3297 * EBX - The state byte offset of this feature.
3298 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3299 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3300 *
3301 * Clear them all as we don't currently implement extended CPU state.
3302 */
3303 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3304 uint64_t fGuestXcr0Mask = 0;
3305 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3306 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3307 {
3308 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3309 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3310 fGuestXcr0Mask |= XSAVE_C_YMM;
3311 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3312 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3313 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3314 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3315
3316 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3317 }
3318 pStdFeatureLeaf = NULL;
3319 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3320
3321 /* Work the sub-leaves. */
3322 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3323 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3324 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3325 {
3326 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3327 if (pCurLeaf)
3328 {
3329 if (fGuestXcr0Mask)
3330 {
3331 switch (uSubLeaf)
3332 {
3333 case 0:
3334 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3335 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3336 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3337 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3338 VERR_CPUM_IPE_1);
3339 cbXSaveMaxActual = pCurLeaf->uEcx;
3340 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3341 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3342 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3343 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3344 VERR_CPUM_IPE_2);
3345 continue;
3346 case 1:
3347 pCurLeaf->uEax &= 0;
3348 pCurLeaf->uEcx &= 0;
3349 pCurLeaf->uEdx &= 0;
3350 /** @todo what about checking ebx? */
3351 continue;
3352 default:
3353 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3354 {
3355 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3356 && pCurLeaf->uEax > 0
3357 && pCurLeaf->uEbx < cbXSaveMaxActual
3358 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3359 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3360 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3361 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3362 VERR_CPUM_IPE_2);
3363 AssertLogRel(!(pCurLeaf->uEcx & 1));
3364 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3365 pCurLeaf->uEdx = 0; /* it's reserved... */
3366 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3367 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3368 continue;
3369 }
3370 break;
3371 }
3372 }
3373
3374 /* Clear the leaf. */
3375 pCurLeaf->uEax = 0;
3376 pCurLeaf->uEbx = 0;
3377 pCurLeaf->uEcx = 0;
3378 pCurLeaf->uEdx = 0;
3379 }
3380 }
3381
3382 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3383 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3384 {
3385 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3386 if (pCurLeaf)
3387 {
3388 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3389 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3390 pCurLeaf->uEbx = cbXSaveMaxReport;
3391 pCurLeaf->uEcx = cbXSaveMaxReport;
3392 }
3393 }
3394
3395 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3396 * We zero this since we don't know what it may have been used for.
3397 */
3398 cpumR3CpuIdZeroLeaf(pCpum, 14);
3399
3400 /* Cpuid 0xf + ECX: Platform quality of service monitoring (PQM),
3401 * also known as Intel Resource Director Technology (RDT) Monitoring
3402 * We zero this as we don't currently virtualize PQM.
3403 */
3404 cpumR3CpuIdZeroLeaf(pCpum, 15);
3405
3406 /* Cpuid 0x10 + ECX: Platform quality of service enforcement (PQE),
3407 * also known as Intel Resource Director Technology (RDT) Allocation
3408 * We zero this as we don't currently virtualize PQE.
3409 */
3410 cpumR3CpuIdZeroLeaf(pCpum, 16);
3411
3412 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3413 * We zero this since we don't know what it may have been used for.
3414 */
3415 cpumR3CpuIdZeroLeaf(pCpum, 17);
3416
3417 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3418 * We zero this as we don't currently virtualize this.
3419 */
3420 cpumR3CpuIdZeroLeaf(pCpum, 18);
3421
3422 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3423 * We zero this since we don't know what it may have been used for.
3424 */
3425 cpumR3CpuIdZeroLeaf(pCpum, 19);
3426
3427 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3428 * We zero this as we don't currently virtualize this.
3429 */
3430 cpumR3CpuIdZeroLeaf(pCpum, 20);
3431
3432 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3433 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3434 * EAX - denominator (unsigned).
3435 * EBX - numerator (unsigned).
3436 * ECX, EDX - reserved.
3437 * AMD: Reserved / undefined / not implemented.
3438 * VIA: Reserved / undefined / not implemented.
3439 * We zero this as we don't currently virtualize this.
3440 */
3441 cpumR3CpuIdZeroLeaf(pCpum, 21);
3442
3443 /* Cpuid 0x16: Processor frequency info
3444 * Intel: EAX - Core base frequency in MHz.
3445 * EBX - Core maximum frequency in MHz.
3446 * ECX - Bus (reference) frequency in MHz.
3447 * EDX - Reserved.
3448 * AMD: Reserved / undefined / not implemented.
3449 * VIA: Reserved / undefined / not implemented.
3450 * We zero this as we don't currently virtualize this.
3451 */
3452 cpumR3CpuIdZeroLeaf(pCpum, 22);
3453
3454 /* Cpuid 0x17..0x10000000: Unknown.
3455 * We don't know these and what they mean, so remove them. */
3456 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3457 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3458
3459
3460 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3461 * We remove all these as we're a hypervisor and must provide our own.
3462 */
3463 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3464 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3465
3466
3467 /* Cpuid 0x80000000 is harmless. */
3468
3469 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3470
3471 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3472
3473 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3474 * Safe to pass on to the guest.
3475 *
3476 * AMD: 0x800000005 L1 cache information
3477 * 0x800000006 L2/L3 cache information
3478 * Intel: 0x800000005 reserved
3479 * 0x800000006 L2 cache information
3480 * VIA: 0x800000005 TLB and L1 cache information
3481 * 0x800000006 L2 cache information
3482 */
3483
3484 /* Cpuid 0x800000007: Advanced Power Management Information.
3485 * AMD: EAX: Processor feedback capabilities.
3486 * EBX: RAS capabilites.
3487 * ECX: Advanced power monitoring interface.
3488 * EDX: Enhanced power management capabilities.
3489 * Intel: EAX, EBX, ECX - reserved.
3490 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3491 * VIA: Reserved
3492 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3493 */
3494 uSubLeaf = 0;
3495 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3496 {
3497 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3498 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3499 {
3500 /*
3501 * Older 64-bit linux kernels blindly assume that the AMD performance counters work
3502 * if X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR is set, see @bugref{7243#c85}. Exposing this
3503 * bit is now configurable.
3504 */
3505 pCurLeaf->uEdx &= 0
3506 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3507 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3508 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3509 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3510 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3511 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3512 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3513 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3514 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3515 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3516 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3517 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3518 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3519 | 0;
3520 }
3521 else
3522 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3523 if (!pConfig->fInvariantTsc)
3524 pCurLeaf->uEdx &= ~X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3525 uSubLeaf++;
3526 }
3527
3528 /* Cpuid 0x80000008:
3529 * AMD: EBX, EDX - reserved
3530 * EAX: Virtual/Physical/Guest address Size
3531 * ECX: Number of cores + APICIdCoreIdSize
3532 * Intel: EAX: Virtual/Physical address Size
3533 * EBX, ECX, EDX - reserved
3534 * VIA: EAX: Virtual/Physical address Size
3535 * EBX, ECX, EDX - reserved
3536 *
3537 * We only expose the virtual+pysical address size to the guest atm.
3538 * On AMD we set the core count, but not the apic id stuff as we're
3539 * currently not doing the apic id assignments in a complatible manner.
3540 */
3541 uSubLeaf = 0;
3542 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3543 {
3544 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3545 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3546 pCurLeaf->uEdx = 0; /* reserved */
3547
3548 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3549 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3550 pCurLeaf->uEcx = 0;
3551#ifdef VBOX_WITH_MULTI_CORE
3552 if ( pVM->cCpus > 1
3553 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3554 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3555#endif
3556 uSubLeaf++;
3557 }
3558
3559 /* Cpuid 0x80000009: Reserved
3560 * We zero this since we don't know what it may have been used for.
3561 */
3562 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3563
3564 /* Cpuid 0x8000000a: SVM Information
3565 * AMD: EAX - SVM revision.
3566 * EBX - Number of ASIDs.
3567 * ECX - Reserved.
3568 * EDX - SVM Feature identification.
3569 */
3570 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3571 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3572 {
3573 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3574 pSvmFeatureLeaf->uEax = 0x1;
3575 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3576 pSvmFeatureLeaf->uEcx = 0;
3577 pSvmFeatureLeaf->uEdx &= ( X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE /** @todo Support other SVM features */
3578 | X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID
3579 | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
3580 }
3581 else
3582 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3583
3584 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3585 * We clear these as we don't know what purpose they might have. */
3586 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3587 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3588
3589 /* Cpuid 0x80000019: TLB configuration
3590 * Seems to be harmless, pass them thru as is. */
3591
3592 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3593 * Strip anything we don't know what is or addresses feature we don't implement. */
3594 uSubLeaf = 0;
3595 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3596 {
3597 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3598 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3599 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3600 ;
3601 pCurLeaf->uEbx = 0; /* reserved */
3602 pCurLeaf->uEcx = 0; /* reserved */
3603 pCurLeaf->uEdx = 0; /* reserved */
3604 uSubLeaf++;
3605 }
3606
3607 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3608 * Clear this as we don't currently virtualize this feature. */
3609 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3610
3611 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3612 * Clear this as we don't currently virtualize this feature. */
3613 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3614
3615 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3616 * We need to sanitize the cores per cache (EAX[25:14]).
3617 *
3618 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3619 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3620 * slightly different meaning.
3621 */
3622 uSubLeaf = 0;
3623 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3624 {
3625#ifdef VBOX_WITH_MULTI_CORE
3626 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3627 if (cCores > pVM->cCpus)
3628 cCores = pVM->cCpus;
3629 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3630 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3631#else
3632 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3633#endif
3634 uSubLeaf++;
3635 }
3636
3637 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3638 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3639 * setup, we have one compute unit with all the cores in it. Single node.
3640 */
3641 uSubLeaf = 0;
3642 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3643 {
3644 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3645 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3646 {
3647#ifdef VBOX_WITH_MULTI_CORE
3648 pCurLeaf->uEbx = pVM->cCpus < 0x100
3649 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3650#else
3651 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3652#endif
3653 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3654 }
3655 else
3656 {
3657 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3658 pCurLeaf->uEbx = 0; /* Reserved. */
3659 pCurLeaf->uEcx = 0; /* Reserved. */
3660 }
3661 pCurLeaf->uEdx = 0; /* Reserved. */
3662 uSubLeaf++;
3663 }
3664
3665 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3666 * We don't know these and what they mean, so remove them. */
3667 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3668 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3669
3670 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3671 * Just pass it thru for now. */
3672
3673 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3674 * Just pass it thru for now. */
3675
3676 /* Cpuid 0xc0000000: Centaur stuff.
3677 * Harmless, pass it thru. */
3678
3679 /* Cpuid 0xc0000001: Centaur features.
3680 * VIA: EAX - Family, model, stepping.
3681 * EDX - Centaur extended feature flags. Nothing interesting, except may
3682 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3683 * EBX, ECX - reserved.
3684 * We keep EAX but strips the rest.
3685 */
3686 uSubLeaf = 0;
3687 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3688 {
3689 pCurLeaf->uEbx = 0;
3690 pCurLeaf->uEcx = 0;
3691 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3692 uSubLeaf++;
3693 }
3694
3695 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3696 * We only have fixed stale values, but should be harmless. */
3697
3698 /* Cpuid 0xc0000003: Reserved.
3699 * We zero this since we don't know what it may have been used for.
3700 */
3701 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3702
3703 /* Cpuid 0xc0000004: Centaur Performance Info.
3704 * We only have fixed stale values, but should be harmless. */
3705
3706
3707 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3708 * We don't know these and what they mean, so remove them. */
3709 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3710 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3711
3712 return VINF_SUCCESS;
3713#undef PORTABLE_DISABLE_FEATURE_BIT
3714#undef PORTABLE_CLEAR_BITS_WHEN
3715}
3716
3717
3718/**
3719 * Reads a value in /CPUM/IsaExts/ node.
3720 *
3721 * @returns VBox status code (error message raised).
3722 * @param pVM The cross context VM structure. (For errors.)
3723 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3724 * @param pszValueName The value / extension name.
3725 * @param penmValue Where to return the choice.
3726 * @param enmDefault The default choice.
3727 */
3728static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3729 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3730{
3731 /*
3732 * Try integer encoding first.
3733 */
3734 uint64_t uValue;
3735 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3736 if (RT_SUCCESS(rc))
3737 switch (uValue)
3738 {
3739 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3740 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3741 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3742 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3743 default:
3744 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3745 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3746 pszValueName, uValue);
3747 }
3748 /*
3749 * If missing, use default.
3750 */
3751 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3752 *penmValue = enmDefault;
3753 else
3754 {
3755 if (rc == VERR_CFGM_NOT_INTEGER)
3756 {
3757 /*
3758 * Not an integer, try read it as a string.
3759 */
3760 char szValue[32];
3761 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3762 if (RT_SUCCESS(rc))
3763 {
3764 RTStrToLower(szValue);
3765 size_t cchValue = strlen(szValue);
3766#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3767 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3768 *penmValue = CPUMISAEXTCFG_DISABLED;
3769 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3770 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3771 else if (EQ("forced") || EQ("force") || EQ("always"))
3772 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3773 else if (EQ("portable"))
3774 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3775 else if (EQ("default") || EQ("def"))
3776 *penmValue = enmDefault;
3777 else
3778 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3779 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3780 pszValueName, uValue);
3781#undef EQ
3782 }
3783 }
3784 if (RT_FAILURE(rc))
3785 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3786 }
3787 return VINF_SUCCESS;
3788}
3789
3790
3791/**
3792 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3793 *
3794 * @returns VBox status code (error message raised).
3795 * @param pVM The cross context VM structure. (For errors.)
3796 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3797 * @param pszValueName The value / extension name.
3798 * @param penmValue Where to return the choice.
3799 * @param enmDefault The default choice.
3800 * @param fAllowed Allowed choice. Applied both to the result and to
3801 * the default value.
3802 */
3803static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3804 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3805{
3806 int rc;
3807 if (fAllowed)
3808 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3809 else
3810 {
3811 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3812 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3813 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3814 *penmValue = CPUMISAEXTCFG_DISABLED;
3815 }
3816 return rc;
3817}
3818
3819
3820/**
3821 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3822 *
3823 * @returns VBox status code (error message raised).
3824 * @param pVM The cross context VM structure. (For errors.)
3825 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3826 * @param pCpumCfg The /CPUM node (can be NULL).
3827 * @param pszValueName The value / extension name.
3828 * @param penmValue Where to return the choice.
3829 * @param enmDefault The default choice.
3830 */
3831static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3832 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3833{
3834 if (CFGMR3Exists(pCpumCfg, pszValueName))
3835 {
3836 if (!CFGMR3Exists(pIsaExts, pszValueName))
3837 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3838 else
3839 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3840 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3841 pszValueName, pszValueName);
3842
3843 bool fLegacy;
3844 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3845 if (RT_SUCCESS(rc))
3846 {
3847 *penmValue = fLegacy;
3848 return VINF_SUCCESS;
3849 }
3850 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3851 }
3852
3853 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3854}
3855
3856
3857static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3858{
3859 int rc;
3860
3861 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3862 * When non-zero CPUID features that could cause portability issues will be
3863 * stripped. The higher the value the more features gets stripped. Higher
3864 * values should only be used when older CPUs are involved since it may
3865 * harm performance and maybe also cause problems with specific guests. */
3866 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3867 AssertLogRelRCReturn(rc, rc);
3868
3869 /** @cfgm{/CPUM/GuestCpuName, string}
3870 * The name of the CPU we're to emulate. The default is the host CPU.
3871 * Note! CPUs other than "host" one is currently unsupported. */
3872 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3873 AssertLogRelRCReturn(rc, rc);
3874
3875 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3876 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3877 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3878 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3879 */
3880 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3881 AssertLogRelRCReturn(rc, rc);
3882
3883 /** @cfgm{/CPUM/InvariantTsc, boolean, true}
3884 * Pass-through the invariant TSC flag in 0x80000007 if available on the host
3885 * CPU. On AMD CPUs, users may wish to suppress it to avoid trouble from older
3886 * 64-bit linux guests which assume the presence of AMD performance counters
3887 * that we do not virtualize.
3888 */
3889 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, true);
3890 AssertLogRelRCReturn(rc, rc);
3891
3892 /** @cfgm{/CPUM/ForceVme, boolean, false}
3893 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3894 * By default the flag is passed thru as is from the host CPU, except
3895 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3896 * guests and DOS boxes in general.
3897 */
3898 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3899 AssertLogRelRCReturn(rc, rc);
3900
3901 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3902 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3903 * probably going to be a temporary hack, so don't depend on this.
3904 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3905 * number and the 3rd byte value is the family, and the 4th value must be zero.
3906 */
3907 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3908 AssertLogRelRCReturn(rc, rc);
3909
3910 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3911 * The last standard leaf to keep. The actual last value that is stored in EAX
3912 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3913 * removed. (This works independently of and differently from NT4LeafLimit.)
3914 * The default is usually set to what we're able to reasonably sanitize.
3915 */
3916 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3917 AssertLogRelRCReturn(rc, rc);
3918
3919 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3920 * The last extended leaf to keep. The actual last value that is stored in EAX
3921 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3922 * leaf are removed. The default is set to what we're able to sanitize.
3923 */
3924 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3925 AssertLogRelRCReturn(rc, rc);
3926
3927 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3928 * The last extended leaf to keep. The actual last value that is stored in EAX
3929 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3930 * leaf are removed. The default is set to what we're able to sanitize.
3931 */
3932 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3933 AssertLogRelRCReturn(rc, rc);
3934
3935#ifdef VBOX_WITH_NESTED_HWVIRT_SVM
3936 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
3937 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
3938 * The default is false, and when enabled requires nested paging and AMD-V or
3939 * unrestricted guest mode.
3940 */
3941 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
3942 AssertLogRelRCReturn(rc, rc);
3943 if ( pConfig->fNestedHWVirt
3944 && !fNestedPagingAndFullGuestExec)
3945 {
3946 LogRel(("CPUM: Warning! Can't turn on nested VT-x/AMD-V without nested-paging and unrestricted guest execution!\n"));
3947 pConfig->fNestedHWVirt = false;
3948 }
3949#endif
3950
3951 /*
3952 * Instruction Set Architecture (ISA) Extensions.
3953 */
3954 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3955 if (pIsaExts)
3956 {
3957 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3958 "CMPXCHG16B"
3959 "|MONITOR"
3960 "|MWaitExtensions"
3961 "|SSE4.1"
3962 "|SSE4.2"
3963 "|XSAVE"
3964 "|AVX"
3965 "|AVX2"
3966 "|AESNI"
3967 "|PCLMUL"
3968 "|POPCNT"
3969 "|MOVBE"
3970 "|RDRAND"
3971 "|RDSEED"
3972 "|CLFLUSHOPT"
3973 "|FSGSBASE"
3974 "|PCID"
3975 "|INVPCID"
3976 "|ABM"
3977 "|SSE4A"
3978 "|MISALNSSE"
3979 "|3DNOWPRF"
3980 "|AXMMX"
3981 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3982 if (RT_FAILURE(rc))
3983 return rc;
3984 }
3985
3986 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3987 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3988 * being the default is to only do this for VMs with nested paging and AMD-V or
3989 * unrestricted guest mode.
3990 */
3991 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
3992 AssertLogRelRCReturn(rc, rc);
3993
3994 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
3995 * Expose MONITOR/MWAIT instructions to the guest.
3996 */
3997 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
3998 AssertLogRelRCReturn(rc, rc);
3999
4000 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
4001 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
4002 * break on interrupt feature (bit 1).
4003 */
4004 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
4005 AssertLogRelRCReturn(rc, rc);
4006
4007 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4008 * Expose SSE4.1 to the guest if available.
4009 */
4010 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4011 AssertLogRelRCReturn(rc, rc);
4012
4013 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4014 * Expose SSE4.2 to the guest if available.
4015 */
4016 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4017 AssertLogRelRCReturn(rc, rc);
4018
4019 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4020 && pVM->cpum.s.HostFeatures.fXSaveRstor
4021 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
4022#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
4023 && !HMIsLongModeAllowed(pVM)
4024#endif
4025 ;
4026 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4027
4028 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4029 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4030 * default is to only expose this to VMs with nested paging and AMD-V or
4031 * unrestricted guest execution mode. Not possible to force this one without
4032 * host support at the moment.
4033 */
4034 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4035 fMayHaveXSave /*fAllowed*/);
4036 AssertLogRelRCReturn(rc, rc);
4037
4038 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4039 * Expose the AVX instruction set extensions to the guest if available and
4040 * XSAVE is exposed too. For the time being the default is to only expose this
4041 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4042 */
4043 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4044 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4045 AssertLogRelRCReturn(rc, rc);
4046
4047 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4048 * Expose the AVX2 instruction set extensions to the guest if available and
4049 * XSAVE is exposed too. For the time being the default is to only expose this
4050 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4051 */
4052 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4053 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4054 AssertLogRelRCReturn(rc, rc);
4055
4056 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4057 * Whether to expose the AES instructions to the guest. For the time being the
4058 * default is to only do this for VMs with nested paging and AMD-V or
4059 * unrestricted guest mode.
4060 */
4061 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4062 AssertLogRelRCReturn(rc, rc);
4063
4064 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4065 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4066 * being the default is to only do this for VMs with nested paging and AMD-V or
4067 * unrestricted guest mode.
4068 */
4069 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4070 AssertLogRelRCReturn(rc, rc);
4071
4072 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4073 * Whether to expose the POPCNT instructions to the guest. For the time
4074 * being the default is to only do this for VMs with nested paging and AMD-V or
4075 * unrestricted guest mode.
4076 */
4077 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4078 AssertLogRelRCReturn(rc, rc);
4079
4080 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4081 * Whether to expose the MOVBE instructions to the guest. For the time
4082 * being the default is to only do this for VMs with nested paging and AMD-V or
4083 * unrestricted guest mode.
4084 */
4085 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4086 AssertLogRelRCReturn(rc, rc);
4087
4088 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4089 * Whether to expose the RDRAND instructions to the guest. For the time being
4090 * the default is to only do this for VMs with nested paging and AMD-V or
4091 * unrestricted guest mode.
4092 */
4093 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4094 AssertLogRelRCReturn(rc, rc);
4095
4096 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4097 * Whether to expose the RDSEED instructions to the guest. For the time being
4098 * the default is to only do this for VMs with nested paging and AMD-V or
4099 * unrestricted guest mode.
4100 */
4101 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4102 AssertLogRelRCReturn(rc, rc);
4103
4104 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4105 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4106 * being the default is to only do this for VMs with nested paging and AMD-V or
4107 * unrestricted guest mode.
4108 */
4109 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4110 AssertLogRelRCReturn(rc, rc);
4111
4112 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4113 * Whether to expose the read/write FSGSBASE instructions to the guest.
4114 */
4115 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4116 AssertLogRelRCReturn(rc, rc);
4117
4118 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4119 * Whether to expose the PCID feature to the guest.
4120 */
4121 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4122 AssertLogRelRCReturn(rc, rc);
4123
4124 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4125 * Whether to expose the INVPCID instruction to the guest.
4126 */
4127 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4128 AssertLogRelRCReturn(rc, rc);
4129
4130
4131 /* AMD: */
4132
4133 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4134 * Whether to expose the AMD ABM instructions to the guest. For the time
4135 * being the default is to only do this for VMs with nested paging and AMD-V or
4136 * unrestricted guest mode.
4137 */
4138 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4139 AssertLogRelRCReturn(rc, rc);
4140
4141 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4142 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4143 * being the default is to only do this for VMs with nested paging and AMD-V or
4144 * unrestricted guest mode.
4145 */
4146 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4147 AssertLogRelRCReturn(rc, rc);
4148
4149 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4150 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4151 * the time being the default is to only do this for VMs with nested paging and
4152 * AMD-V or unrestricted guest mode.
4153 */
4154 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4155 AssertLogRelRCReturn(rc, rc);
4156
4157 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4158 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4159 * For the time being the default is to only do this for VMs with nested paging
4160 * and AMD-V or unrestricted guest mode.
4161 */
4162 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4163 AssertLogRelRCReturn(rc, rc);
4164
4165 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4166 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4167 * the default is to only do this for VMs with nested paging and AMD-V or
4168 * unrestricted guest mode.
4169 */
4170 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4171 AssertLogRelRCReturn(rc, rc);
4172
4173 return VINF_SUCCESS;
4174}
4175
4176
4177/**
4178 * Initializes the emulated CPU's CPUID & MSR information.
4179 *
4180 * @returns VBox status code.
4181 * @param pVM The cross context VM structure.
4182 */
4183int cpumR3InitCpuIdAndMsrs(PVM pVM)
4184{
4185 PCPUM pCpum = &pVM->cpum.s;
4186 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4187
4188 /*
4189 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4190 * on construction and manage everything from here on.
4191 */
4192 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4193 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4194
4195 /*
4196 * Read the configuration.
4197 */
4198 CPUMCPUIDCONFIG Config;
4199 RT_ZERO(Config);
4200
4201 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4202 AssertRCReturn(rc, rc);
4203
4204 /*
4205 * Get the guest CPU data from the database and/or the host.
4206 *
4207 * The CPUID and MSRs are currently living on the regular heap to avoid
4208 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4209 * API for the hyper heap). This means special cleanup considerations.
4210 */
4211 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4212 if (RT_FAILURE(rc))
4213 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4214 ? VMSetError(pVM, rc, RT_SRC_POS,
4215 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4216 : rc;
4217
4218 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4219 {
4220 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4221 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4222 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4223 }
4224 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4225
4226 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4227 * Overrides the guest MSRs.
4228 */
4229 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4230
4231 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4232 * Overrides the CPUID leaf values (from the host CPU usually) used for
4233 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4234 * values when moving a VM to a different machine. Another use is restricting
4235 * (or extending) the feature set exposed to the guest. */
4236 if (RT_SUCCESS(rc))
4237 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4238
4239 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4240 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4241 "Found unsupported configuration node '/CPUM/CPUID/'. "
4242 "Please use IMachine::setCPUIDLeaf() instead.");
4243
4244 /*
4245 * Pre-explode the CPUID info.
4246 */
4247 if (RT_SUCCESS(rc))
4248 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4249
4250 /*
4251 * Sanitize the cpuid information passed on to the guest.
4252 */
4253 if (RT_SUCCESS(rc))
4254 {
4255 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4256 if (RT_SUCCESS(rc))
4257 {
4258 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4259 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4260 }
4261 }
4262
4263 /*
4264 * MSR fudging.
4265 */
4266 if (RT_SUCCESS(rc))
4267 {
4268 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4269 * Fudges some common MSRs if not present in the selected CPU database entry.
4270 * This is for trying to keep VMs running when moved between different hosts
4271 * and different CPU vendors. */
4272 bool fEnable;
4273 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4274 if (RT_SUCCESS(rc) && fEnable)
4275 {
4276 rc = cpumR3MsrApplyFudge(pVM);
4277 AssertLogRelRC(rc);
4278 }
4279 }
4280 if (RT_SUCCESS(rc))
4281 {
4282 /*
4283 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4284 * guest CPU features again.
4285 */
4286 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4287 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4288 pCpum->GuestInfo.cCpuIdLeaves);
4289 RTMemFree(pvFree);
4290
4291 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4292 int rc2 = MMHyperDupMem(pVM, pvFree,
4293 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4294 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4295 RTMemFree(pvFree);
4296 AssertLogRelRCReturn(rc1, rc1);
4297 AssertLogRelRCReturn(rc2, rc2);
4298
4299 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4300 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4301
4302
4303 /*
4304 * Some more configuration that we're applying at the end of everything
4305 * via the CPUMSetGuestCpuIdFeature API.
4306 */
4307
4308 /* Check if PAE was explicitely enabled by the user. */
4309 bool fEnable;
4310 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4311 AssertRCReturn(rc, rc);
4312 if (fEnable)
4313 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4314
4315 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4316 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4317 AssertRCReturn(rc, rc);
4318 if (fEnable)
4319 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4320
4321 /* Check if speculation control is enabled. */
4322 rc = CFGMR3QueryBoolDef(pCpumCfg, "SpecCtrl", &fEnable, false);
4323 AssertRCReturn(rc, rc);
4324 if (fEnable)
4325 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SPEC_CTRL);
4326
4327 return VINF_SUCCESS;
4328 }
4329
4330 /*
4331 * Failed before switching to hyper heap.
4332 */
4333 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4334 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4335 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4336 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4337 return rc;
4338}
4339
4340
4341/**
4342 * Sets a CPUID feature bit during VM initialization.
4343 *
4344 * Since the CPUID feature bits are generally related to CPU features, other
4345 * CPUM configuration like MSRs can also be modified by calls to this API.
4346 *
4347 * @param pVM The cross context VM structure.
4348 * @param enmFeature The feature to set.
4349 */
4350VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4351{
4352 PCPUMCPUIDLEAF pLeaf;
4353 PCPUMMSRRANGE pMsrRange;
4354
4355 switch (enmFeature)
4356 {
4357 /*
4358 * Set the APIC bit in both feature masks.
4359 */
4360 case CPUMCPUIDFEATURE_APIC:
4361 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4362 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4363 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4364
4365 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4366 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4367 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4368
4369 pVM->cpum.s.GuestFeatures.fApic = 1;
4370
4371 /* Make sure we've got the APICBASE MSR present. */
4372 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4373 if (!pMsrRange)
4374 {
4375 static CPUMMSRRANGE const s_ApicBase =
4376 {
4377 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4378 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4379 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4380 /*.szName = */ "IA32_APIC_BASE"
4381 };
4382 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4383 AssertLogRelRC(rc);
4384 }
4385
4386 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4387 break;
4388
4389 /*
4390 * Set the x2APIC bit in the standard feature mask.
4391 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4392 */
4393 case CPUMCPUIDFEATURE_X2APIC:
4394 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4395 if (pLeaf)
4396 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4397 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4398
4399 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4400 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4401 if (pMsrRange)
4402 {
4403 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4404 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4405 }
4406
4407 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4408 break;
4409
4410 /*
4411 * Set the sysenter/sysexit bit in the standard feature mask.
4412 * Assumes the caller knows what it's doing! (host must support these)
4413 */
4414 case CPUMCPUIDFEATURE_SEP:
4415 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4416 {
4417 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4418 return;
4419 }
4420
4421 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4422 if (pLeaf)
4423 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4424 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4425 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4426 break;
4427
4428 /*
4429 * Set the syscall/sysret bit in the extended feature mask.
4430 * Assumes the caller knows what it's doing! (host must support these)
4431 */
4432 case CPUMCPUIDFEATURE_SYSCALL:
4433 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4434 if ( !pLeaf
4435 || !pVM->cpum.s.HostFeatures.fSysCall)
4436 {
4437#if HC_ARCH_BITS == 32
4438 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4439 mode by Intel, even when the cpu is capable of doing so in
4440 64-bit mode. Long mode requires syscall support. */
4441 if (!pVM->cpum.s.HostFeatures.fLongMode)
4442#endif
4443 {
4444 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4445 return;
4446 }
4447 }
4448
4449 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4450 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4451 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4452 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4453 break;
4454
4455 /*
4456 * Set the PAE bit in both feature masks.
4457 * Assumes the caller knows what it's doing! (host must support these)
4458 */
4459 case CPUMCPUIDFEATURE_PAE:
4460 if (!pVM->cpum.s.HostFeatures.fPae)
4461 {
4462 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4463 return;
4464 }
4465
4466 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4467 if (pLeaf)
4468 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4469
4470 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4471 if ( pLeaf
4472 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4473 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4474
4475 pVM->cpum.s.GuestFeatures.fPae = 1;
4476 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4477 break;
4478
4479 /*
4480 * Set the LONG MODE bit in the extended feature mask.
4481 * Assumes the caller knows what it's doing! (host must support these)
4482 */
4483 case CPUMCPUIDFEATURE_LONG_MODE:
4484 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4485 if ( !pLeaf
4486 || !pVM->cpum.s.HostFeatures.fLongMode)
4487 {
4488 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4489 return;
4490 }
4491
4492 /* Valid for both Intel and AMD. */
4493 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4494 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4495 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4496 break;
4497
4498 /*
4499 * Set the NX/XD bit in the extended feature mask.
4500 * Assumes the caller knows what it's doing! (host must support these)
4501 */
4502 case CPUMCPUIDFEATURE_NX:
4503 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4504 if ( !pLeaf
4505 || !pVM->cpum.s.HostFeatures.fNoExecute)
4506 {
4507 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4508 return;
4509 }
4510
4511 /* Valid for both Intel and AMD. */
4512 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4513 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4514 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4515 break;
4516
4517
4518 /*
4519 * Set the LAHF/SAHF support in 64-bit mode.
4520 * Assumes the caller knows what it's doing! (host must support this)
4521 */
4522 case CPUMCPUIDFEATURE_LAHF:
4523 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4524 if ( !pLeaf
4525 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4526 {
4527 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4528 return;
4529 }
4530
4531 /* Valid for both Intel and AMD. */
4532 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4533 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4534 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4535 break;
4536
4537 /*
4538 * Set the page attribute table bit. This is alternative page level
4539 * cache control that doesn't much matter when everything is
4540 * virtualized, though it may when passing thru device memory.
4541 */
4542 case CPUMCPUIDFEATURE_PAT:
4543 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4544 if (pLeaf)
4545 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4546
4547 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4548 if ( pLeaf
4549 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4550 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4551
4552 pVM->cpum.s.GuestFeatures.fPat = 1;
4553 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4554 break;
4555
4556 /*
4557 * Set the RDTSCP support bit.
4558 * Assumes the caller knows what it's doing! (host must support this)
4559 */
4560 case CPUMCPUIDFEATURE_RDTSCP:
4561 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4562 if ( !pLeaf
4563 || !pVM->cpum.s.HostFeatures.fRdTscP
4564 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4565 {
4566 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4567 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4568 return;
4569 }
4570
4571 /* Valid for both Intel and AMD. */
4572 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4573 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4574 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4575 break;
4576
4577 /*
4578 * Set the Hypervisor Present bit in the standard feature mask.
4579 */
4580 case CPUMCPUIDFEATURE_HVP:
4581 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4582 if (pLeaf)
4583 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4584 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4585 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4586 break;
4587
4588 /*
4589 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4590 * This currently includes the Present bit and MWAITBREAK bit as well.
4591 */
4592 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4593 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4594 if ( !pLeaf
4595 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4596 {
4597 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4598 return;
4599 }
4600
4601 /* Valid for both Intel and AMD. */
4602 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4603 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4604 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4605 break;
4606
4607 /*
4608 * Set up the speculation control CPUID bits and MSRs. This is quite complicated
4609 * on Intel CPUs, and different on AMDs.
4610 */
4611 case CPUMCPUIDFEATURE_SPEC_CTRL:
4612 if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
4613 {
4614 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4615 if ( !pLeaf
4616 || !(pVM->cpum.s.HostFeatures.fIbpb || pVM->cpum.s.HostFeatures.fIbrs))
4617 {
4618 LogRel(("CPUM: WARNING! Can't turn on Speculation Control when the host doesn't support it!\n"));
4619 return;
4620 }
4621
4622 /* The feature can be enabled. Let's see what we can actually do. */
4623 pVM->cpum.s.GuestFeatures.fSpeculationControl = 1;
4624
4625 /* We will only expose STIBP if IBRS is present to keep things simpler (simple is not an option). */
4626 if (pVM->cpum.s.HostFeatures.fIbrs)
4627 {
4628 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB;
4629 pVM->cpum.s.GuestFeatures.fIbrs = 1;
4630 if (pVM->cpum.s.HostFeatures.fStibp)
4631 {
4632 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_STIBP;
4633 pVM->cpum.s.GuestFeatures.fStibp = 1;
4634 }
4635
4636 /* Make sure we have the speculation control MSR... */
4637 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_SPEC_CTRL);
4638 if (!pMsrRange)
4639 {
4640 static CPUMMSRRANGE const s_SpecCtrl =
4641 {
4642 /*.uFirst =*/ MSR_IA32_SPEC_CTRL, /*.uLast =*/ MSR_IA32_SPEC_CTRL,
4643 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32SpecCtrl, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32SpecCtrl,
4644 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4645 /*.szName = */ "IA32_SPEC_CTRL"
4646 };
4647 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4648 AssertLogRelRC(rc);
4649 }
4650
4651 /* ... and the predictor command MSR. */
4652 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_PRED_CMD);
4653 if (!pMsrRange)
4654 {
4655 static CPUMMSRRANGE const s_SpecCtrl =
4656 {
4657 /*.uFirst =*/ MSR_IA32_PRED_CMD, /*.uLast =*/ MSR_IA32_PRED_CMD,
4658 /*.enmRdFn =*/ kCpumMsrRdFn_WriteOnly, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32PredCmd,
4659 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4660 /*.szName = */ "IA32_PRED_CMD"
4661 };
4662 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4663 AssertLogRelRC(rc);
4664 }
4665
4666 }
4667
4668 if (pVM->cpum.s.HostFeatures.fArchCap) {
4669 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP;
4670
4671 /* Install the architectural capabilities MSR. */
4672 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_ARCH_CAPABILITIES);
4673 if (!pMsrRange)
4674 {
4675 static CPUMMSRRANGE const s_ArchCaps =
4676 {
4677 /*.uFirst =*/ MSR_IA32_ARCH_CAPABILITIES, /*.uLast =*/ MSR_IA32_ARCH_CAPABILITIES,
4678 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ArchCapabilities, /*.enmWrFn =*/ kCpumMsrWrFn_ReadOnly,
4679 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ UINT64_MAX,
4680 /*.szName = */ "IA32_ARCH_CAPABILITIES"
4681 };
4682 int rc = CPUMR3MsrRangesInsert(pVM, &s_ArchCaps);
4683 AssertLogRelRC(rc);
4684 }
4685 }
4686
4687 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Speculation Control.\n"));
4688 }
4689 else if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4690 {
4691 /* The precise details of AMD's implementation are not yet clear. */
4692 }
4693 break;
4694
4695 default:
4696 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4697 break;
4698 }
4699
4700 /** @todo can probably kill this as this API is now init time only... */
4701 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4702 {
4703 PVMCPU pVCpu = &pVM->aCpus[i];
4704 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4705 }
4706}
4707
4708
4709/**
4710 * Queries a CPUID feature bit.
4711 *
4712 * @returns boolean for feature presence
4713 * @param pVM The cross context VM structure.
4714 * @param enmFeature The feature to query.
4715 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4716 */
4717VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4718{
4719 switch (enmFeature)
4720 {
4721 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4722 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4723 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4724 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4725 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4726 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4727 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4728 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4729 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4730 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4731 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4732 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4733 case CPUMCPUIDFEATURE_SPEC_CTRL: return pVM->cpum.s.GuestFeatures.fSpeculationControl;
4734
4735 case CPUMCPUIDFEATURE_INVALID:
4736 case CPUMCPUIDFEATURE_32BIT_HACK:
4737 break;
4738 }
4739 AssertFailed();
4740 return false;
4741}
4742
4743
4744/**
4745 * Clears a CPUID feature bit.
4746 *
4747 * @param pVM The cross context VM structure.
4748 * @param enmFeature The feature to clear.
4749 *
4750 * @deprecated Probably better to default the feature to disabled and only allow
4751 * setting (enabling) it during construction.
4752 */
4753VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4754{
4755 PCPUMCPUIDLEAF pLeaf;
4756 switch (enmFeature)
4757 {
4758 case CPUMCPUIDFEATURE_APIC:
4759 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4760 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4761 if (pLeaf)
4762 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4763
4764 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4765 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4766 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4767
4768 pVM->cpum.s.GuestFeatures.fApic = 0;
4769 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4770 break;
4771
4772 case CPUMCPUIDFEATURE_X2APIC:
4773 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4774 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4775 if (pLeaf)
4776 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4777 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4778 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4779 break;
4780
4781 case CPUMCPUIDFEATURE_PAE:
4782 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4783 if (pLeaf)
4784 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4785
4786 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4787 if ( pLeaf
4788 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4789 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4790
4791 pVM->cpum.s.GuestFeatures.fPae = 0;
4792 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4793 break;
4794
4795 case CPUMCPUIDFEATURE_PAT:
4796 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4797 if (pLeaf)
4798 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4799
4800 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4801 if ( pLeaf
4802 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4803 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4804
4805 pVM->cpum.s.GuestFeatures.fPat = 0;
4806 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4807 break;
4808
4809 case CPUMCPUIDFEATURE_LONG_MODE:
4810 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4811 if (pLeaf)
4812 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4813 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4814 break;
4815
4816 case CPUMCPUIDFEATURE_LAHF:
4817 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4818 if (pLeaf)
4819 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4820 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4821 break;
4822
4823 case CPUMCPUIDFEATURE_RDTSCP:
4824 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4825 if (pLeaf)
4826 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4827 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4828 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4829 break;
4830
4831 case CPUMCPUIDFEATURE_HVP:
4832 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4833 if (pLeaf)
4834 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4835 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4836 break;
4837
4838 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4839 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4840 if (pLeaf)
4841 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4842 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4843 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4844 break;
4845
4846 case CPUMCPUIDFEATURE_SPEC_CTRL:
4847 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4848 if (pLeaf)
4849 /*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);
4850 pVM->cpum.s.GuestFeatures.fSpeculationControl = 0;
4851 Log(("CPUM: ClearGuestCpuIdFeature: Disabled speculation control!\n"));
4852 break;
4853
4854 default:
4855 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4856 break;
4857 }
4858
4859 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4860 {
4861 PVMCPU pVCpu = &pVM->aCpus[i];
4862 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4863 }
4864}
4865
4866
4867
4868/*
4869 *
4870 *
4871 * Saved state related code.
4872 * Saved state related code.
4873 * Saved state related code.
4874 *
4875 *
4876 */
4877
4878/**
4879 * Called both in pass 0 and the final pass.
4880 *
4881 * @param pVM The cross context VM structure.
4882 * @param pSSM The saved state handle.
4883 */
4884void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4885{
4886 /*
4887 * Save all the CPU ID leaves.
4888 */
4889 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4890 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4891 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4892 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4893
4894 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4895
4896 /*
4897 * Save a good portion of the raw CPU IDs as well as they may come in
4898 * handy when validating features for raw mode.
4899 */
4900 CPUMCPUID aRawStd[16];
4901 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4902 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4903 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4904 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4905
4906 CPUMCPUID aRawExt[32];
4907 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4908 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4909 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4910 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4911}
4912
4913
4914static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4915{
4916 uint32_t cCpuIds;
4917 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4918 if (RT_SUCCESS(rc))
4919 {
4920 if (cCpuIds < 64)
4921 {
4922 for (uint32_t i = 0; i < cCpuIds; i++)
4923 {
4924 CPUMCPUID CpuId;
4925 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4926 if (RT_FAILURE(rc))
4927 break;
4928
4929 CPUMCPUIDLEAF NewLeaf;
4930 NewLeaf.uLeaf = uBase + i;
4931 NewLeaf.uSubLeaf = 0;
4932 NewLeaf.fSubLeafMask = 0;
4933 NewLeaf.uEax = CpuId.uEax;
4934 NewLeaf.uEbx = CpuId.uEbx;
4935 NewLeaf.uEcx = CpuId.uEcx;
4936 NewLeaf.uEdx = CpuId.uEdx;
4937 NewLeaf.fFlags = 0;
4938 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4939 }
4940 }
4941 else
4942 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4943 }
4944 if (RT_FAILURE(rc))
4945 {
4946 RTMemFree(*ppaLeaves);
4947 *ppaLeaves = NULL;
4948 *pcLeaves = 0;
4949 }
4950 return rc;
4951}
4952
4953
4954static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4955{
4956 *ppaLeaves = NULL;
4957 *pcLeaves = 0;
4958
4959 int rc;
4960 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4961 {
4962 /*
4963 * The new format. Starts by declaring the leave size and count.
4964 */
4965 uint32_t cbLeaf;
4966 SSMR3GetU32(pSSM, &cbLeaf);
4967 uint32_t cLeaves;
4968 rc = SSMR3GetU32(pSSM, &cLeaves);
4969 if (RT_SUCCESS(rc))
4970 {
4971 if (cbLeaf == sizeof(**ppaLeaves))
4972 {
4973 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4974 {
4975 /*
4976 * Load the leaves one by one.
4977 *
4978 * The uPrev stuff is a kludge for working around a week worth of bad saved
4979 * states during the CPUID revamp in March 2015. We saved too many leaves
4980 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4981 * garbage entires at the end of the array when restoring. We also had
4982 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4983 * this kludge doesn't deal correctly with that, but who cares...
4984 */
4985 uint32_t uPrev = 0;
4986 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4987 {
4988 CPUMCPUIDLEAF Leaf;
4989 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
4990 if (RT_SUCCESS(rc))
4991 {
4992 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
4993 || Leaf.uLeaf >= uPrev)
4994 {
4995 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4996 uPrev = Leaf.uLeaf;
4997 }
4998 else
4999 uPrev = UINT32_MAX;
5000 }
5001 }
5002 }
5003 else
5004 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
5005 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
5006 }
5007 else
5008 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
5009 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
5010 }
5011 }
5012 else
5013 {
5014 /*
5015 * The old format with its three inflexible arrays.
5016 */
5017 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
5018 if (RT_SUCCESS(rc))
5019 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
5020 if (RT_SUCCESS(rc))
5021 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
5022 if (RT_SUCCESS(rc))
5023 {
5024 /*
5025 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
5026 */
5027 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
5028 if ( pLeaf
5029 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
5030 {
5031 CPUMCPUIDLEAF Leaf;
5032 Leaf.uLeaf = 4;
5033 Leaf.fSubLeafMask = UINT32_MAX;
5034 Leaf.uSubLeaf = 0;
5035 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
5036 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
5037 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
5038 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
5039 | UINT32_C(63); /* system coherency line size - 1 */
5040 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
5041 | (UINT32_C(0) << 14) /* threads per cache - 1 */
5042 | (UINT32_C(1) << 5) /* cache level */
5043 | UINT32_C(1); /* cache type (data) */
5044 Leaf.fFlags = 0;
5045 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5046 if (RT_SUCCESS(rc))
5047 {
5048 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
5049 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5050 }
5051 if (RT_SUCCESS(rc))
5052 {
5053 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
5054 Leaf.uEcx = 4095; /* sets - 1 */
5055 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
5056 Leaf.uEbx |= UINT32_C(23) << 22;
5057 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
5058 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
5059 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
5060 Leaf.uEax |= UINT32_C(2) << 5;
5061 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5062 }
5063 }
5064 }
5065 }
5066 return rc;
5067}
5068
5069
5070/**
5071 * Loads the CPU ID leaves saved by pass 0, inner worker.
5072 *
5073 * @returns VBox status code.
5074 * @param pVM The cross context VM structure.
5075 * @param pSSM The saved state handle.
5076 * @param uVersion The format version.
5077 * @param paLeaves Guest CPUID leaves loaded from the state.
5078 * @param cLeaves The number of leaves in @a paLeaves.
5079 */
5080int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
5081{
5082 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5083
5084 /*
5085 * Continue loading the state into stack buffers.
5086 */
5087 CPUMCPUID GuestDefCpuId;
5088 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
5089 AssertRCReturn(rc, rc);
5090
5091 CPUMCPUID aRawStd[16];
5092 uint32_t cRawStd;
5093 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
5094 if (cRawStd > RT_ELEMENTS(aRawStd))
5095 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5096 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
5097 AssertRCReturn(rc, rc);
5098 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
5099 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5100
5101 CPUMCPUID aRawExt[32];
5102 uint32_t cRawExt;
5103 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
5104 if (cRawExt > RT_ELEMENTS(aRawExt))
5105 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5106 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
5107 AssertRCReturn(rc, rc);
5108 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
5109 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5110
5111 /*
5112 * Get the raw CPU IDs for the current host.
5113 */
5114 CPUMCPUID aHostRawStd[16];
5115 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5116 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5117
5118 CPUMCPUID aHostRawExt[32];
5119 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5120 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5121 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5122
5123 /*
5124 * Get the host and guest overrides so we don't reject the state because
5125 * some feature was enabled thru these interfaces.
5126 * Note! We currently only need the feature leaves, so skip rest.
5127 */
5128 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5129 CPUMCPUID aHostOverrideStd[2];
5130 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5131 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5132
5133 CPUMCPUID aHostOverrideExt[2];
5134 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5135 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5136
5137 /*
5138 * This can be skipped.
5139 */
5140 bool fStrictCpuIdChecks;
5141 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5142
5143 /*
5144 * Define a bunch of macros for simplifying the santizing/checking code below.
5145 */
5146 /* Generic expression + failure message. */
5147#define CPUID_CHECK_RET(expr, fmt) \
5148 do { \
5149 if (!(expr)) \
5150 { \
5151 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5152 if (fStrictCpuIdChecks) \
5153 { \
5154 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5155 RTStrFree(pszMsg); \
5156 return rcCpuid; \
5157 } \
5158 LogRel(("CPUM: %s\n", pszMsg)); \
5159 RTStrFree(pszMsg); \
5160 } \
5161 } while (0)
5162#define CPUID_CHECK_WRN(expr, fmt) \
5163 do { \
5164 if (!(expr)) \
5165 LogRel(fmt); \
5166 } while (0)
5167
5168 /* For comparing two values and bitch if they differs. */
5169#define CPUID_CHECK2_RET(what, host, saved) \
5170 do { \
5171 if ((host) != (saved)) \
5172 { \
5173 if (fStrictCpuIdChecks) \
5174 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5175 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5176 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5177 } \
5178 } while (0)
5179#define CPUID_CHECK2_WRN(what, host, saved) \
5180 do { \
5181 if ((host) != (saved)) \
5182 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5183 } while (0)
5184
5185 /* For checking raw cpu features (raw mode). */
5186#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5187 do { \
5188 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5189 { \
5190 if (fStrictCpuIdChecks) \
5191 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5192 N_(#bit " mismatch: host=%d saved=%d"), \
5193 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5194 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5195 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5196 } \
5197 } while (0)
5198#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5199 do { \
5200 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5201 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5202 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5203 } while (0)
5204#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5205
5206 /* For checking guest features. */
5207#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5208 do { \
5209 if ( (aGuestCpuId##set [1].reg & bit) \
5210 && !(aHostRaw##set [1].reg & bit) \
5211 && !(aHostOverride##set [1].reg & bit) \
5212 ) \
5213 { \
5214 if (fStrictCpuIdChecks) \
5215 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5216 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5217 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5218 } \
5219 } while (0)
5220#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5221 do { \
5222 if ( (aGuestCpuId##set [1].reg & bit) \
5223 && !(aHostRaw##set [1].reg & bit) \
5224 && !(aHostOverride##set [1].reg & bit) \
5225 ) \
5226 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5227 } while (0)
5228#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5229 do { \
5230 if ( (aGuestCpuId##set [1].reg & bit) \
5231 && !(aHostRaw##set [1].reg & bit) \
5232 && !(aHostOverride##set [1].reg & bit) \
5233 ) \
5234 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5235 } while (0)
5236#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5237
5238 /* For checking guest features if AMD guest CPU. */
5239#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5240 do { \
5241 if ( (aGuestCpuId##set [1].reg & bit) \
5242 && fGuestAmd \
5243 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5244 && !(aHostOverride##set [1].reg & bit) \
5245 ) \
5246 { \
5247 if (fStrictCpuIdChecks) \
5248 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5249 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5250 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5251 } \
5252 } while (0)
5253#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5254 do { \
5255 if ( (aGuestCpuId##set [1].reg & bit) \
5256 && fGuestAmd \
5257 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5258 && !(aHostOverride##set [1].reg & bit) \
5259 ) \
5260 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5261 } while (0)
5262#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5263 do { \
5264 if ( (aGuestCpuId##set [1].reg & bit) \
5265 && fGuestAmd \
5266 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5267 && !(aHostOverride##set [1].reg & bit) \
5268 ) \
5269 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5270 } while (0)
5271#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5272
5273 /* For checking AMD features which have a corresponding bit in the standard
5274 range. (Intel defines very few bits in the extended feature sets.) */
5275#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5276 do { \
5277 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5278 && !(fHostAmd \
5279 ? aHostRawExt[1].reg & (ExtBit) \
5280 : aHostRawStd[1].reg & (StdBit)) \
5281 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5282 ) \
5283 { \
5284 if (fStrictCpuIdChecks) \
5285 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5286 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5287 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5288 } \
5289 } while (0)
5290#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5291 do { \
5292 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5293 && !(fHostAmd \
5294 ? aHostRawExt[1].reg & (ExtBit) \
5295 : aHostRawStd[1].reg & (StdBit)) \
5296 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5297 ) \
5298 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5299 } while (0)
5300#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5301 do { \
5302 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5303 && !(fHostAmd \
5304 ? aHostRawExt[1].reg & (ExtBit) \
5305 : aHostRawStd[1].reg & (StdBit)) \
5306 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5307 ) \
5308 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5309 } while (0)
5310#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5311
5312 /*
5313 * For raw-mode we'll require that the CPUs are very similar since we don't
5314 * intercept CPUID instructions for user mode applications.
5315 */
5316 if (VM_IS_RAW_MODE_ENABLED(pVM))
5317 {
5318 /* CPUID(0) */
5319 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5320 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5321 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5322 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5323 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5324 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5325 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5326 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5327 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5328
5329 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5330
5331 /* CPUID(1).eax */
5332 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5333 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5334 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5335
5336 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5337 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5338 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5339
5340 /* CPUID(1).ecx */
5341 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5342 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5343 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5344 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5345 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5346 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5347 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5348 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5349 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5350 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5351 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5352 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5353 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5354 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5355 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5356 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5357 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5358 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5359 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5360 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5361 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5362 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5363 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5364 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5365 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5366 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5367 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5368 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5369 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5370 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5371 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5372 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5373
5374 /* CPUID(1).edx */
5375 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5376 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5377 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5378 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5379 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5380 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5381 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5382 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5383 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5384 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5385 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5386 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5387 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5388 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5389 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5390 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5391 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5392 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5393 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5394 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5395 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5396 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5397 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5398 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5399 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5400 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5401 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5402 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5403 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5404 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5405 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5406 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5407
5408 /* CPUID(2) - config, mostly about caches. ignore. */
5409 /* CPUID(3) - processor serial number. ignore. */
5410 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5411 /* CPUID(5) - mwait/monitor config. ignore. */
5412 /* CPUID(6) - power management. ignore. */
5413 /* CPUID(7) - ???. ignore. */
5414 /* CPUID(8) - ???. ignore. */
5415 /* CPUID(9) - DCA. ignore for now. */
5416 /* CPUID(a) - PeMo info. ignore for now. */
5417 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5418
5419 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5420 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5421 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5422 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5423 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5424 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5425 {
5426 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5427 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5428 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5429/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5430 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5431 }
5432
5433 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5434 Note! Intel have/is marking many of the fields here as reserved. We
5435 will verify them as if it's an AMD CPU. */
5436 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5437 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5438 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5439 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5440 {
5441 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5442 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5443 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5444 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5445 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5446 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5447 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5448
5449 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5450 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5451 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5452 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5453 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5454 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5455
5456 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5457 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5458 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5459 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5460
5461 /* CPUID(0x80000001).ecx */
5462 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5463 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5464 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5465 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5466 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5467 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5468 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5469 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5470 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5471 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5472 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5473 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5474 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5475 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5476 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5477 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5478 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5479 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5480 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5481 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5482 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5483 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5484 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5485 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5486 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5487 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5488 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5489 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5490 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5491 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5492 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5493 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5494
5495 /* CPUID(0x80000001).edx */
5496 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5497 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5498 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5499 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5500 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5501 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5502 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5503 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5504 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5505 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5506 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5507 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5508 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5509 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5510 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5511 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5512 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5513 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5514 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5515 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5516 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5517 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5518 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5519 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5520 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5521 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5522 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5523 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5524 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5525 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5526 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5527 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5528
5529 /** @todo verify the rest as well. */
5530 }
5531 }
5532
5533
5534
5535 /*
5536 * Verify that we can support the features already exposed to the guest on
5537 * this host.
5538 *
5539 * Most of the features we're emulating requires intercepting instruction
5540 * and doing it the slow way, so there is no need to warn when they aren't
5541 * present in the host CPU. Thus we use IGN instead of EMU on these.
5542 *
5543 * Trailing comments:
5544 * "EMU" - Possible to emulate, could be lots of work and very slow.
5545 * "EMU?" - Can this be emulated?
5546 */
5547 CPUMCPUID aGuestCpuIdStd[2];
5548 RT_ZERO(aGuestCpuIdStd);
5549 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5550
5551 /* CPUID(1).ecx */
5552 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5553 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5554 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5555 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5556 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5557 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5558 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5559 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5560 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5561 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5562 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5563 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5564 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5565 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5566 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5567 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5568 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5569 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5570 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5571 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5572 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5573 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5574 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5575 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5576 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5577 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5578 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5579 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5580 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5581 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5582 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5583 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5584
5585 /* CPUID(1).edx */
5586 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5587 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5588 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5589 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5590 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5591 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5592 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5593 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5594 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5595 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5596 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5597 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5598 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5599 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5600 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5601 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5602 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5603 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5604 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5605 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5606 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5607 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5608 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5609 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5610 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5611 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5612 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5613 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5614 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5615 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5616 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5617 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5618
5619 /* CPUID(0x80000000). */
5620 CPUMCPUID aGuestCpuIdExt[2];
5621 RT_ZERO(aGuestCpuIdExt);
5622 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5623 {
5624 /** @todo deal with no 0x80000001 on the host. */
5625 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5626 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5627
5628 /* CPUID(0x80000001).ecx */
5629 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5630 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5631 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5632 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5633 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5634 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5635 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5636 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5637 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5638 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5639 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5640 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5641 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5642 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5643 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5644 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5645 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5646 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5647 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5648 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5649 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5650 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5651 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5652 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5653 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5654 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5655 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5656 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5657 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5658 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5659 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5660 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5661
5662 /* CPUID(0x80000001).edx */
5663 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5664 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5665 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5666 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5667 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5668 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5669 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5670 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5671 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5672 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5673 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5674 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5675 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5676 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5677 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5678 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5679 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5680 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5681 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5682 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5683 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5684 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5685 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5686 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5687 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5688 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5689 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5690 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5691 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5692 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5693 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5694 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5695 }
5696
5697 /** @todo check leaf 7 */
5698
5699 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5700 * ECX=0: EAX - Valid bits in XCR0[31:0].
5701 * EBX - Maximum state size as per current XCR0 value.
5702 * ECX - Maximum state size for all supported features.
5703 * EDX - Valid bits in XCR0[63:32].
5704 * ECX=1: EAX - Various X-features.
5705 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5706 * ECX - Valid bits in IA32_XSS[31:0].
5707 * EDX - Valid bits in IA32_XSS[63:32].
5708 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5709 * if the bit invalid all four registers are set to zero.
5710 * EAX - The state size for this feature.
5711 * EBX - The state byte offset of this feature.
5712 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5713 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5714 */
5715 uint64_t fGuestXcr0Mask = 0;
5716 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5717 if ( pCurLeaf
5718 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5719 && ( pCurLeaf->uEax
5720 || pCurLeaf->uEbx
5721 || pCurLeaf->uEcx
5722 || pCurLeaf->uEdx) )
5723 {
5724 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5725 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5726 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5727 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5728 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5729 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5730 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5731 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5732
5733 /* We don't support any additional features yet. */
5734 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5735 if (pCurLeaf && pCurLeaf->uEax)
5736 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5737 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5738 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5739 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5740 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5741 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5742
5743
5744 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5745 {
5746 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5747 if (pCurLeaf)
5748 {
5749 /* If advertised, the state component offset and size must match the one used by host. */
5750 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5751 {
5752 CPUMCPUID RawHost;
5753 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5754 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5755 if ( RawHost.uEbx != pCurLeaf->uEbx
5756 || RawHost.uEax != pCurLeaf->uEax)
5757 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5758 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5759 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5760 }
5761 }
5762 }
5763 }
5764 /* Clear leaf 0xd just in case we're loading an old state... */
5765 else if (pCurLeaf)
5766 {
5767 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5768 {
5769 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5770 if (pCurLeaf)
5771 {
5772 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5773 || ( pCurLeaf->uEax == 0
5774 && pCurLeaf->uEbx == 0
5775 && pCurLeaf->uEcx == 0
5776 && pCurLeaf->uEdx == 0),
5777 ("uVersion=%#x; %#x %#x %#x %#x\n",
5778 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5779 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5780 }
5781 }
5782 }
5783
5784 /* Update the fXStateGuestMask value for the VM. */
5785 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5786 {
5787 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5788 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5789 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5790 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5791 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5792 }
5793
5794#undef CPUID_CHECK_RET
5795#undef CPUID_CHECK_WRN
5796#undef CPUID_CHECK2_RET
5797#undef CPUID_CHECK2_WRN
5798#undef CPUID_RAW_FEATURE_RET
5799#undef CPUID_RAW_FEATURE_WRN
5800#undef CPUID_RAW_FEATURE_IGN
5801#undef CPUID_GST_FEATURE_RET
5802#undef CPUID_GST_FEATURE_WRN
5803#undef CPUID_GST_FEATURE_EMU
5804#undef CPUID_GST_FEATURE_IGN
5805#undef CPUID_GST_FEATURE2_RET
5806#undef CPUID_GST_FEATURE2_WRN
5807#undef CPUID_GST_FEATURE2_EMU
5808#undef CPUID_GST_FEATURE2_IGN
5809#undef CPUID_GST_AMD_FEATURE_RET
5810#undef CPUID_GST_AMD_FEATURE_WRN
5811#undef CPUID_GST_AMD_FEATURE_EMU
5812#undef CPUID_GST_AMD_FEATURE_IGN
5813
5814 /*
5815 * We're good, commit the CPU ID leaves.
5816 */
5817 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5818 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5819 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5820 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5821 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5822 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5823 AssertLogRelRCReturn(rc, rc);
5824
5825 return VINF_SUCCESS;
5826}
5827
5828
5829/**
5830 * Loads the CPU ID leaves saved by pass 0.
5831 *
5832 * @returns VBox status code.
5833 * @param pVM The cross context VM structure.
5834 * @param pSSM The saved state handle.
5835 * @param uVersion The format version.
5836 */
5837int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5838{
5839 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5840
5841 /*
5842 * Load the CPUID leaves array first and call worker to do the rest, just so
5843 * we can free the memory when we need to without ending up in column 1000.
5844 */
5845 PCPUMCPUIDLEAF paLeaves;
5846 uint32_t cLeaves;
5847 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5848 AssertRC(rc);
5849 if (RT_SUCCESS(rc))
5850 {
5851 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5852 RTMemFree(paLeaves);
5853 }
5854 return rc;
5855}
5856
5857
5858
5859/**
5860 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5861 *
5862 * @returns VBox status code.
5863 * @param pVM The cross context VM structure.
5864 * @param pSSM The saved state handle.
5865 * @param uVersion The format version.
5866 */
5867int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5868{
5869 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5870
5871 /*
5872 * Restore the CPUID leaves.
5873 *
5874 * Note that we support restoring less than the current amount of standard
5875 * leaves because we've been allowed more is newer version of VBox.
5876 */
5877 uint32_t cElements;
5878 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5879 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5880 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5881 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5882
5883 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5884 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5885 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5886 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5887
5888 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5889 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5890 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5891 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5892
5893 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5894
5895 /*
5896 * Check that the basic cpuid id information is unchanged.
5897 */
5898 /** @todo we should check the 64 bits capabilities too! */
5899 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5900 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5901 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5902 uint32_t au32CpuIdSaved[8];
5903 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5904 if (RT_SUCCESS(rc))
5905 {
5906 /* Ignore CPU stepping. */
5907 au32CpuId[4] &= 0xfffffff0;
5908 au32CpuIdSaved[4] &= 0xfffffff0;
5909
5910 /* Ignore APIC ID (AMD specs). */
5911 au32CpuId[5] &= ~0xff000000;
5912 au32CpuIdSaved[5] &= ~0xff000000;
5913
5914 /* Ignore the number of Logical CPUs (AMD specs). */
5915 au32CpuId[5] &= ~0x00ff0000;
5916 au32CpuIdSaved[5] &= ~0x00ff0000;
5917
5918 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5919 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5920 | X86_CPUID_FEATURE_ECX_VMX
5921 | X86_CPUID_FEATURE_ECX_SMX
5922 | X86_CPUID_FEATURE_ECX_EST
5923 | X86_CPUID_FEATURE_ECX_TM2
5924 | X86_CPUID_FEATURE_ECX_CNTXID
5925 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5926 | X86_CPUID_FEATURE_ECX_PDCM
5927 | X86_CPUID_FEATURE_ECX_DCA
5928 | X86_CPUID_FEATURE_ECX_X2APIC
5929 );
5930 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5931 | X86_CPUID_FEATURE_ECX_VMX
5932 | X86_CPUID_FEATURE_ECX_SMX
5933 | X86_CPUID_FEATURE_ECX_EST
5934 | X86_CPUID_FEATURE_ECX_TM2
5935 | X86_CPUID_FEATURE_ECX_CNTXID
5936 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5937 | X86_CPUID_FEATURE_ECX_PDCM
5938 | X86_CPUID_FEATURE_ECX_DCA
5939 | X86_CPUID_FEATURE_ECX_X2APIC
5940 );
5941
5942 /* Make sure we don't forget to update the masks when enabling
5943 * features in the future.
5944 */
5945 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5946 ( X86_CPUID_FEATURE_ECX_DTES64
5947 | X86_CPUID_FEATURE_ECX_VMX
5948 | X86_CPUID_FEATURE_ECX_SMX
5949 | X86_CPUID_FEATURE_ECX_EST
5950 | X86_CPUID_FEATURE_ECX_TM2
5951 | X86_CPUID_FEATURE_ECX_CNTXID
5952 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5953 | X86_CPUID_FEATURE_ECX_PDCM
5954 | X86_CPUID_FEATURE_ECX_DCA
5955 | X86_CPUID_FEATURE_ECX_X2APIC
5956 )));
5957 /* do the compare */
5958 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5959 {
5960 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5961 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5962 "Saved=%.*Rhxs\n"
5963 "Real =%.*Rhxs\n",
5964 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5965 sizeof(au32CpuId), au32CpuId));
5966 else
5967 {
5968 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5969 "Saved=%.*Rhxs\n"
5970 "Real =%.*Rhxs\n",
5971 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5972 sizeof(au32CpuId), au32CpuId));
5973 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5974 }
5975 }
5976 }
5977
5978 return rc;
5979}
5980
5981
5982
5983/*
5984 *
5985 *
5986 * CPUID Info Handler.
5987 * CPUID Info Handler.
5988 * CPUID Info Handler.
5989 *
5990 *
5991 */
5992
5993
5994
5995/**
5996 * Get L1 cache / TLS associativity.
5997 */
5998static const char *getCacheAss(unsigned u, char *pszBuf)
5999{
6000 if (u == 0)
6001 return "res0 ";
6002 if (u == 1)
6003 return "direct";
6004 if (u == 255)
6005 return "fully";
6006 if (u >= 256)
6007 return "???";
6008
6009 RTStrPrintf(pszBuf, 16, "%d way", u);
6010 return pszBuf;
6011}
6012
6013
6014/**
6015 * Get L2 cache associativity.
6016 */
6017const char *getL2CacheAss(unsigned u)
6018{
6019 switch (u)
6020 {
6021 case 0: return "off ";
6022 case 1: return "direct";
6023 case 2: return "2 way ";
6024 case 3: return "res3 ";
6025 case 4: return "4 way ";
6026 case 5: return "res5 ";
6027 case 6: return "8 way ";
6028 case 7: return "res7 ";
6029 case 8: return "16 way";
6030 case 9: return "res9 ";
6031 case 10: return "res10 ";
6032 case 11: return "res11 ";
6033 case 12: return "res12 ";
6034 case 13: return "res13 ";
6035 case 14: return "res14 ";
6036 case 15: return "fully ";
6037 default: return "????";
6038 }
6039}
6040
6041
6042/** CPUID(1).EDX field descriptions. */
6043static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
6044{
6045 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6046 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6047 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6048 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6049 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6050 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
6051 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6052 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6053 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6054 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6055 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
6056 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6057 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6058 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6059 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6060 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6061 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6062 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
6063 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
6064 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
6065 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
6066 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6067 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
6068 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
6069 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
6070 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
6071 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
6072 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
6073 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
6074 DBGFREGSUBFIELD_TERMINATOR()
6075};
6076
6077/** CPUID(1).ECX field descriptions. */
6078static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
6079{
6080 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
6081 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
6082 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
6083 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
6084 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
6085 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
6086 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
6087 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
6088 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
6089 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
6090 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
6091 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
6092 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
6093 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
6094 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
6095 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
6096 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
6097 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
6098 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
6099 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
6100 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
6101 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
6102 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
6103 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
6104 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
6105 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
6106 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
6107 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
6108 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
6109 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6110 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6111 DBGFREGSUBFIELD_TERMINATOR()
6112};
6113
6114/** CPUID(7,0).EBX field descriptions. */
6115static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6116{
6117 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6118 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6119 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6120 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6121 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6122 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6123 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6124 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6125 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6126 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6127 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6128 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6129 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6130 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6131 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6132 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6133 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6134 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6135 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6136 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6137 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6138 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6139 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6140 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6141 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6142 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6143 DBGFREGSUBFIELD_TERMINATOR()
6144};
6145
6146/** CPUID(7,0).ECX field descriptions. */
6147static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6148{
6149 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6150 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6151 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6152 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6153 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6154 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6155 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6156 DBGFREGSUBFIELD_TERMINATOR()
6157};
6158
6159/** CPUID(7,0).EDX field descriptions. */
6160static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6161{
6162 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6163 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6164 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6165 DBGFREGSUBFIELD_TERMINATOR()
6166};
6167
6168
6169/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6170static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6171{
6172 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6173 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6174 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6175 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6176 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6177 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6178 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6179 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6180 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6181 DBGFREGSUBFIELD_TERMINATOR()
6182};
6183
6184/** CPUID(13,1).EAX field descriptions. */
6185static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6186{
6187 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6188 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6189 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6190 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6191 DBGFREGSUBFIELD_TERMINATOR()
6192};
6193
6194
6195/** CPUID(0x80000001,0).EDX field descriptions. */
6196static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6197{
6198 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6199 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6200 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6201 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6202 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6203 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6204 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6205 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6206 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6207 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6208 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6209 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6210 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6211 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6212 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6213 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6214 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6215 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6216 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6217 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6218 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6219 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6220 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6221 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6222 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6223 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6224 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6225 DBGFREGSUBFIELD_TERMINATOR()
6226};
6227
6228/** CPUID(0x80000001,0).ECX field descriptions. */
6229static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6230{
6231 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6232 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6233 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6234 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6235 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6236 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6237 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6238 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6239 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6240 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6241 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6242 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6243 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6244 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6245 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6246 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6247 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6248 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6249 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6250 DBGFREGSUBFIELD_RO("PRFEXTCORE\0" "Performance Counter Extensions support", 23, 1, 0),
6251 DBGFREGSUBFIELD_RO("PRFEXTNB\0" "NB Performance Counter Extensions support", 24, 1, 0),
6252 DBGFREGSUBFIELD_RO("DATABPEXT\0" "Data-access Breakpoint Extension", 26, 1, 0),
6253 DBGFREGSUBFIELD_RO("PERFTSC\0" "Performance Time Stamp Counter", 27, 1, 0),
6254 DBGFREGSUBFIELD_TERMINATOR()
6255};
6256
6257/** CPUID(0x80000007,0).EDX field descriptions. */
6258static DBGFREGSUBFIELD const g_aExtLeaf7EdxSubFields[] =
6259{
6260 DBGFREGSUBFIELD_RO("TS\0" "Temperature Sensor", 0, 1, 0),
6261 DBGFREGSUBFIELD_RO("FID\0" "Frequency ID control", 1, 1, 0),
6262 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6263 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6264 DBGFREGSUBFIELD_RO("TTP\0" "Thermal Trip", 3, 1, 0),
6265 DBGFREGSUBFIELD_RO("TM\0" "Hardware Thermal Control (HTC)", 4, 1, 0),
6266 DBGFREGSUBFIELD_RO("100MHzSteps\0" "100 MHz Multiplier control", 6, 1, 0),
6267 DBGFREGSUBFIELD_RO("HwPstate\0" "Hardware P-state control", 7, 1, 0),
6268 DBGFREGSUBFIELD_RO("TscInvariant\0" "Invariant Time Stamp Counter", 8, 1, 0),
6269 DBGFREGSUBFIELD_RO("CBP\0" "Core Performance Boost", 9, 1, 0),
6270 DBGFREGSUBFIELD_RO("EffFreqRO\0" "Read-only Effective Frequency Interface", 10, 1, 0),
6271 DBGFREGSUBFIELD_RO("ProcFdbkIf\0" "Processor Feedback Interface", 11, 1, 0),
6272 DBGFREGSUBFIELD_RO("ProcPwrRep\0" "Core power reporting interface support", 12, 1, 0),
6273 DBGFREGSUBFIELD_TERMINATOR()
6274};
6275
6276/** CPUID(0x80000008,0).EBX field descriptions. */
6277static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6278{
6279 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6280 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6281 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6282 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6283 DBGFREGSUBFIELD_TERMINATOR()
6284};
6285
6286
6287static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6288 const char *pszLeadIn, uint32_t cchWidth)
6289{
6290 if (pszLeadIn)
6291 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6292
6293 for (uint32_t iBit = 0; iBit < 32; iBit++)
6294 if (RT_BIT_32(iBit) & uVal)
6295 {
6296 while ( pDesc->pszName != NULL
6297 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6298 pDesc++;
6299 if ( pDesc->pszName != NULL
6300 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6301 {
6302 if (pDesc->cBits == 1)
6303 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6304 else
6305 {
6306 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6307 if (pDesc->cBits < 32)
6308 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6309 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6310 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6311 }
6312 }
6313 else
6314 pHlp->pfnPrintf(pHlp, " %u", iBit);
6315 }
6316 if (pszLeadIn)
6317 pHlp->pfnPrintf(pHlp, "\n");
6318}
6319
6320
6321static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6322 const char *pszLeadIn, uint32_t cchWidth)
6323{
6324 if (pszLeadIn)
6325 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6326
6327 for (uint32_t iBit = 0; iBit < 64; iBit++)
6328 if (RT_BIT_64(iBit) & uVal)
6329 {
6330 while ( pDesc->pszName != NULL
6331 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6332 pDesc++;
6333 if ( pDesc->pszName != NULL
6334 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6335 {
6336 if (pDesc->cBits == 1)
6337 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6338 else
6339 {
6340 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6341 if (pDesc->cBits < 64)
6342 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6343 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6344 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6345 }
6346 }
6347 else
6348 pHlp->pfnPrintf(pHlp, " %u", iBit);
6349 }
6350 if (pszLeadIn)
6351 pHlp->pfnPrintf(pHlp, "\n");
6352}
6353
6354
6355static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6356 const char *pszLeadIn, uint32_t cchWidth)
6357{
6358 if (!uVal)
6359 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6360 else
6361 {
6362 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6363 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6364 pHlp->pfnPrintf(pHlp, " )\n");
6365 }
6366}
6367
6368
6369static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6370 uint32_t cchWidth)
6371{
6372 uint32_t uCombined = uVal1 | uVal2;
6373 for (uint32_t iBit = 0; iBit < 32; iBit++)
6374 if ( (RT_BIT_32(iBit) & uCombined)
6375 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6376 {
6377 while ( pDesc->pszName != NULL
6378 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6379 pDesc++;
6380
6381 if ( pDesc->pszName != NULL
6382 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6383 {
6384 size_t cchMnemonic = strlen(pDesc->pszName);
6385 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6386 size_t cchDesc = strlen(pszDesc);
6387 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6388 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6389 if (pDesc->cBits < 32)
6390 {
6391 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6392 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6393 }
6394
6395 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6396 pDesc->pszName, pszDesc,
6397 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6398 uFieldValue1, uFieldValue2);
6399
6400 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6401 pDesc++;
6402 }
6403 else
6404 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6405 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6406 }
6407}
6408
6409
6410/**
6411 * Produces a detailed summary of standard leaf 0x00000001.
6412 *
6413 * @param pHlp The info helper functions.
6414 * @param pCurLeaf The 0x00000001 leaf.
6415 * @param fVerbose Whether to be very verbose or not.
6416 * @param fIntel Set if intel CPU.
6417 */
6418static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6419{
6420 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6421 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6422 uint32_t uEAX = pCurLeaf->uEax;
6423 uint32_t uEBX = pCurLeaf->uEbx;
6424
6425 pHlp->pfnPrintf(pHlp,
6426 "%36s %2d \tExtended: %d \tEffective: %d\n"
6427 "%36s %2d \tExtended: %d \tEffective: %d\n"
6428 "%36s %d\n"
6429 "%36s %d (%s)\n"
6430 "%36s %#04x\n"
6431 "%36s %d\n"
6432 "%36s %d\n"
6433 "%36s %#04x\n"
6434 ,
6435 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6436 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6437 "Stepping:", ASMGetCpuStepping(uEAX),
6438 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6439 "APIC ID:", (uEBX >> 24) & 0xff,
6440 "Logical CPUs:",(uEBX >> 16) & 0xff,
6441 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6442 "Brand ID:", (uEBX >> 0) & 0xff);
6443 if (fVerbose)
6444 {
6445 CPUMCPUID Host;
6446 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6447 pHlp->pfnPrintf(pHlp, "Features\n");
6448 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6449 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6450 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6451 }
6452 else
6453 {
6454 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6455 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6456 }
6457}
6458
6459
6460/**
6461 * Produces a detailed summary of standard leaf 0x00000007.
6462 *
6463 * @param pHlp The info helper functions.
6464 * @param paLeaves The CPUID leaves array.
6465 * @param cLeaves The number of leaves in the array.
6466 * @param pCurLeaf The first 0x00000007 leaf.
6467 * @param fVerbose Whether to be very verbose or not.
6468 */
6469static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6470 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6471{
6472 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6473 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6474 for (;;)
6475 {
6476 CPUMCPUID Host;
6477 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6478
6479 switch (pCurLeaf->uSubLeaf)
6480 {
6481 case 0:
6482 if (fVerbose)
6483 {
6484 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6485 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6486 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6487 if (pCurLeaf->uEdx || Host.uEdx)
6488 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6489 }
6490 else
6491 {
6492 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6493 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6494 if (pCurLeaf->uEdx)
6495 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6496 }
6497 break;
6498
6499 default:
6500 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6501 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6502 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6503 break;
6504
6505 }
6506
6507 /* advance. */
6508 pCurLeaf++;
6509 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6510 || pCurLeaf->uLeaf != 0x7)
6511 break;
6512 }
6513}
6514
6515
6516/**
6517 * Produces a detailed summary of standard leaf 0x0000000d.
6518 *
6519 * @param pHlp The info helper functions.
6520 * @param paLeaves The CPUID leaves array.
6521 * @param cLeaves The number of leaves in the array.
6522 * @param pCurLeaf The first 0x00000007 leaf.
6523 * @param fVerbose Whether to be very verbose or not.
6524 */
6525static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6526 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6527{
6528 RT_NOREF_PV(fVerbose);
6529 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6530 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6531 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6532 {
6533 CPUMCPUID Host;
6534 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6535
6536 switch (uSubLeaf)
6537 {
6538 case 0:
6539 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6540 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6541 pCurLeaf->uEbx, pCurLeaf->uEcx);
6542 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6543
6544 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6545 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6546 "Valid XCR0 bits, guest:", 42);
6547 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6548 "Valid XCR0 bits, host:", 42);
6549 break;
6550
6551 case 1:
6552 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6553 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6554 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6555
6556 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6557 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6558 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6559
6560 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6561 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6562 " Valid IA32_XSS bits, guest:", 42);
6563 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6564 " Valid IA32_XSS bits, host:", 42);
6565 break;
6566
6567 default:
6568 if ( pCurLeaf
6569 && pCurLeaf->uSubLeaf == uSubLeaf
6570 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6571 {
6572 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6573 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6574 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6575 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6576 if (pCurLeaf->uEdx)
6577 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6578 pHlp->pfnPrintf(pHlp, " --");
6579 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6580 pHlp->pfnPrintf(pHlp, "\n");
6581 }
6582 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6583 {
6584 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6585 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6586 if (Host.uEcx & ~RT_BIT_32(0))
6587 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6588 if (Host.uEdx)
6589 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6590 pHlp->pfnPrintf(pHlp, " --");
6591 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6592 pHlp->pfnPrintf(pHlp, "\n");
6593 }
6594 break;
6595
6596 }
6597
6598 /* advance. */
6599 if (pCurLeaf)
6600 {
6601 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6602 && pCurLeaf->uSubLeaf <= uSubLeaf
6603 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6604 pCurLeaf++;
6605 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6606 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6607 pCurLeaf = NULL;
6608 }
6609 }
6610}
6611
6612
6613static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6614 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6615{
6616 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6617 && pCurLeaf->uLeaf <= uUpToLeaf)
6618 {
6619 pHlp->pfnPrintf(pHlp,
6620 " %s\n"
6621 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6622 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6623 && pCurLeaf->uLeaf <= uUpToLeaf)
6624 {
6625 CPUMCPUID Host;
6626 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6627 pHlp->pfnPrintf(pHlp,
6628 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6629 "Hst: %08x %08x %08x %08x\n",
6630 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6631 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6632 pCurLeaf++;
6633 }
6634 }
6635
6636 return pCurLeaf;
6637}
6638
6639
6640/**
6641 * Display the guest CpuId leaves.
6642 *
6643 * @param pVM The cross context VM structure.
6644 * @param pHlp The info helper functions.
6645 * @param pszArgs "terse", "default" or "verbose".
6646 */
6647DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6648{
6649 /*
6650 * Parse the argument.
6651 */
6652 unsigned iVerbosity = 1;
6653 if (pszArgs)
6654 {
6655 pszArgs = RTStrStripL(pszArgs);
6656 if (!strcmp(pszArgs, "terse"))
6657 iVerbosity--;
6658 else if (!strcmp(pszArgs, "verbose"))
6659 iVerbosity++;
6660 }
6661
6662 uint32_t uLeaf;
6663 CPUMCPUID Host;
6664 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6665 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6666 PCCPUMCPUIDLEAF pCurLeaf;
6667 PCCPUMCPUIDLEAF pNextLeaf;
6668 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6669 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6670 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6671
6672 /*
6673 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6674 */
6675 uint32_t cHstMax = ASMCpuId_EAX(0);
6676 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6677 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6678 pHlp->pfnPrintf(pHlp,
6679 " Raw Standard CPUID Leaves\n"
6680 " Leaf/sub-leaf eax ebx ecx edx\n");
6681 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6682 {
6683 uint32_t cMaxSubLeaves = 1;
6684 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6685 cMaxSubLeaves = 16;
6686 else if (uLeaf == 0xd)
6687 cMaxSubLeaves = 128;
6688
6689 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6690 {
6691 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6692 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6693 && pCurLeaf->uLeaf == uLeaf
6694 && pCurLeaf->uSubLeaf == uSubLeaf)
6695 {
6696 pHlp->pfnPrintf(pHlp,
6697 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6698 "Hst: %08x %08x %08x %08x\n",
6699 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6700 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6701 pCurLeaf++;
6702 }
6703 else if ( uLeaf != 0xd
6704 || uSubLeaf <= 1
6705 || Host.uEbx != 0 )
6706 pHlp->pfnPrintf(pHlp,
6707 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6708 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6709
6710 /* Done? */
6711 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6712 || pCurLeaf->uLeaf != uLeaf)
6713 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6714 || (uLeaf == 0x7 && Host.uEax == 0)
6715 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6716 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6717 || (uLeaf == 0xd && uSubLeaf >= 128)
6718 )
6719 )
6720 break;
6721 }
6722 }
6723 pNextLeaf = pCurLeaf;
6724
6725 /*
6726 * If verbose, decode it.
6727 */
6728 if (iVerbosity && paLeaves[0].uLeaf == 0)
6729 pHlp->pfnPrintf(pHlp,
6730 "%36s %.04s%.04s%.04s\n"
6731 "%36s 0x00000000-%#010x\n"
6732 ,
6733 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6734 "Supports:", paLeaves[0].uEax);
6735
6736 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6737 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6738
6739 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6740 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6741
6742 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6743 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6744
6745 pCurLeaf = pNextLeaf;
6746
6747 /*
6748 * Hypervisor leaves.
6749 *
6750 * Unlike most of the other leaves reported, the guest hypervisor leaves
6751 * aren't a subset of the host CPUID bits.
6752 */
6753 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6754
6755 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6756 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6757 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6758 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6759 cMax = RT_MAX(cHstMax, cGstMax);
6760 if (cMax >= UINT32_C(0x40000000))
6761 {
6762 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6763
6764 /** @todo dump these in more detail. */
6765
6766 pCurLeaf = pNextLeaf;
6767 }
6768
6769
6770 /*
6771 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6772 * Implemented after AMD specs.
6773 */
6774 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6775
6776 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6777 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6778 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6779 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6780 cMax = RT_MAX(cHstMax, cGstMax);
6781 if (cMax >= UINT32_C(0x80000000))
6782 {
6783
6784 pHlp->pfnPrintf(pHlp,
6785 " Raw Extended CPUID Leaves\n"
6786 " Leaf/sub-leaf eax ebx ecx edx\n");
6787 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6788 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6789 {
6790 uint32_t cMaxSubLeaves = 1;
6791 if (uLeaf == UINT32_C(0x8000001d))
6792 cMaxSubLeaves = 16;
6793
6794 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6795 {
6796 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6797 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6798 && pCurLeaf->uLeaf == uLeaf
6799 && pCurLeaf->uSubLeaf == uSubLeaf)
6800 {
6801 pHlp->pfnPrintf(pHlp,
6802 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6803 "Hst: %08x %08x %08x %08x\n",
6804 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6805 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6806 pCurLeaf++;
6807 }
6808 else if ( uLeaf != 0xd
6809 || uSubLeaf <= 1
6810 || Host.uEbx != 0 )
6811 pHlp->pfnPrintf(pHlp,
6812 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6813 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6814
6815 /* Done? */
6816 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6817 || pCurLeaf->uLeaf != uLeaf)
6818 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6819 break;
6820 }
6821 }
6822 pNextLeaf = pCurLeaf;
6823
6824 /*
6825 * Understandable output
6826 */
6827 if (iVerbosity)
6828 pHlp->pfnPrintf(pHlp,
6829 "Ext Name: %.4s%.4s%.4s\n"
6830 "Ext Supports: 0x80000000-%#010x\n",
6831 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6832
6833 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6834 if (iVerbosity && pCurLeaf)
6835 {
6836 uint32_t uEAX = pCurLeaf->uEax;
6837 pHlp->pfnPrintf(pHlp,
6838 "Family: %d \tExtended: %d \tEffective: %d\n"
6839 "Model: %d \tExtended: %d \tEffective: %d\n"
6840 "Stepping: %d\n"
6841 "Brand ID: %#05x\n",
6842 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6843 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6844 ASMGetCpuStepping(uEAX),
6845 pCurLeaf->uEbx & 0xfff);
6846
6847 if (iVerbosity == 1)
6848 {
6849 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6850 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6851 }
6852 else
6853 {
6854 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6855 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6856 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6857 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6858 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6859 }
6860 }
6861
6862 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6863 {
6864 char szString[4*4*3+1] = {0};
6865 uint32_t *pu32 = (uint32_t *)szString;
6866 *pu32++ = pCurLeaf->uEax;
6867 *pu32++ = pCurLeaf->uEbx;
6868 *pu32++ = pCurLeaf->uEcx;
6869 *pu32++ = pCurLeaf->uEdx;
6870 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6871 if (pCurLeaf)
6872 {
6873 *pu32++ = pCurLeaf->uEax;
6874 *pu32++ = pCurLeaf->uEbx;
6875 *pu32++ = pCurLeaf->uEcx;
6876 *pu32++ = pCurLeaf->uEdx;
6877 }
6878 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6879 if (pCurLeaf)
6880 {
6881 *pu32++ = pCurLeaf->uEax;
6882 *pu32++ = pCurLeaf->uEbx;
6883 *pu32++ = pCurLeaf->uEcx;
6884 *pu32++ = pCurLeaf->uEdx;
6885 }
6886 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6887 }
6888
6889 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6890 {
6891 uint32_t uEAX = pCurLeaf->uEax;
6892 uint32_t uEBX = pCurLeaf->uEbx;
6893 uint32_t uECX = pCurLeaf->uEcx;
6894 uint32_t uEDX = pCurLeaf->uEdx;
6895 char sz1[32];
6896 char sz2[32];
6897
6898 pHlp->pfnPrintf(pHlp,
6899 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6900 "TLB 2/4M Data: %s %3d entries\n",
6901 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6902 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6903 pHlp->pfnPrintf(pHlp,
6904 "TLB 4K Instr/Uni: %s %3d entries\n"
6905 "TLB 4K Data: %s %3d entries\n",
6906 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6907 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6908 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6909 "L1 Instr Cache Lines Per Tag: %d\n"
6910 "L1 Instr Cache Associativity: %s\n"
6911 "L1 Instr Cache Size: %d KB\n",
6912 (uEDX >> 0) & 0xff,
6913 (uEDX >> 8) & 0xff,
6914 getCacheAss((uEDX >> 16) & 0xff, sz1),
6915 (uEDX >> 24) & 0xff);
6916 pHlp->pfnPrintf(pHlp,
6917 "L1 Data Cache Line Size: %d bytes\n"
6918 "L1 Data Cache Lines Per Tag: %d\n"
6919 "L1 Data Cache Associativity: %s\n"
6920 "L1 Data Cache Size: %d KB\n",
6921 (uECX >> 0) & 0xff,
6922 (uECX >> 8) & 0xff,
6923 getCacheAss((uECX >> 16) & 0xff, sz1),
6924 (uECX >> 24) & 0xff);
6925 }
6926
6927 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6928 {
6929 uint32_t uEAX = pCurLeaf->uEax;
6930 uint32_t uEBX = pCurLeaf->uEbx;
6931 uint32_t uEDX = pCurLeaf->uEdx;
6932
6933 pHlp->pfnPrintf(pHlp,
6934 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6935 "L2 TLB 2/4M Data: %s %4d entries\n",
6936 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6937 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6938 pHlp->pfnPrintf(pHlp,
6939 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6940 "L2 TLB 4K Data: %s %4d entries\n",
6941 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6942 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6943 pHlp->pfnPrintf(pHlp,
6944 "L2 Cache Line Size: %d bytes\n"
6945 "L2 Cache Lines Per Tag: %d\n"
6946 "L2 Cache Associativity: %s\n"
6947 "L2 Cache Size: %d KB\n",
6948 (uEDX >> 0) & 0xff,
6949 (uEDX >> 8) & 0xf,
6950 getL2CacheAss((uEDX >> 12) & 0xf),
6951 (uEDX >> 16) & 0xffff);
6952 }
6953
6954 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6955 {
6956 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6957 if (pCurLeaf->uEdx || (Host.uEdx && iVerbosity))
6958 {
6959 if (iVerbosity < 1)
6960 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf7EdxSubFields, "APM Features EDX:", 34);
6961 else
6962 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf7EdxSubFields, 56);
6963 }
6964 }
6965
6966 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
6967 if (pCurLeaf != NULL)
6968 {
6969 ASMCpuIdExSlow(UINT32_C(0x80000008), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6970 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
6971 {
6972 if (iVerbosity < 1)
6973 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
6974 else
6975 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
6976 }
6977
6978 if (iVerbosity)
6979 {
6980 uint32_t uEAX = pCurLeaf->uEax;
6981 uint32_t uECX = pCurLeaf->uEcx;
6982
6983 pHlp->pfnPrintf(pHlp,
6984 "Physical Address Width: %d bits\n"
6985 "Virtual Address Width: %d bits\n"
6986 "Guest Physical Address Width: %d bits\n",
6987 (uEAX >> 0) & 0xff,
6988 (uEAX >> 8) & 0xff,
6989 (uEAX >> 16) & 0xff);
6990 pHlp->pfnPrintf(pHlp,
6991 "Physical Core Count: %d\n",
6992 ((uECX >> 0) & 0xff) + 1);
6993 }
6994 }
6995
6996 pCurLeaf = pNextLeaf;
6997 }
6998
6999
7000
7001 /*
7002 * Centaur.
7003 */
7004 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
7005
7006 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7007 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
7008 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
7009 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
7010 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
7011 cMax = RT_MAX(cHstMax, cGstMax);
7012 if (cMax >= UINT32_C(0xc0000000))
7013 {
7014 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
7015
7016 /*
7017 * Understandable output
7018 */
7019 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
7020 pHlp->pfnPrintf(pHlp,
7021 "Centaur Supports: 0xc0000000-%#010x\n",
7022 pCurLeaf->uEax);
7023
7024 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
7025 {
7026 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7027 uint32_t uEdxGst = pCurLeaf->uEdx;
7028 uint32_t uEdxHst = Host.uEdx;
7029
7030 if (iVerbosity == 1)
7031 {
7032 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
7033 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
7034 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
7035 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
7036 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
7037 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
7038 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
7039 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
7040 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
7041 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7042 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
7043 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
7044 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
7045 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
7046 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
7047 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
7048 for (unsigned iBit = 14; iBit < 32; iBit++)
7049 if (uEdxGst & RT_BIT(iBit))
7050 pHlp->pfnPrintf(pHlp, " %d", iBit);
7051 pHlp->pfnPrintf(pHlp, "\n");
7052 }
7053 else
7054 {
7055 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
7056 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
7057 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
7058 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
7059 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
7060 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
7061 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
7062 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
7063 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
7064 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7065 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
7066 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
7067 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
7068 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
7069 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
7070 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
7071 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
7072 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
7073 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
7074 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
7075 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
7076 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
7077 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
7078 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
7079 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
7080 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
7081 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
7082 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
7083 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
7084 for (unsigned iBit = 27; iBit < 32; iBit++)
7085 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
7086 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
7087 pHlp->pfnPrintf(pHlp, "\n");
7088 }
7089 }
7090
7091 pCurLeaf = pNextLeaf;
7092 }
7093
7094 /*
7095 * The remainder.
7096 */
7097 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
7098}
7099
7100
7101
7102
7103
7104/*
7105 *
7106 *
7107 * PATM interfaces.
7108 * PATM interfaces.
7109 * PATM interfaces.
7110 *
7111 *
7112 */
7113
7114
7115# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
7116/** @name Patchmanager CPUID legacy table APIs
7117 * @{
7118 */
7119
7120/**
7121 * Gets a pointer to the default CPUID leaf.
7122 *
7123 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
7124 * @param pVM The cross context VM structure.
7125 * @remark Intended for PATM only.
7126 */
7127VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
7128{
7129 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
7130}
7131
7132
7133/**
7134 * Gets a number of standard CPUID leaves (PATM only).
7135 *
7136 * @returns Number of leaves.
7137 * @param pVM The cross context VM structure.
7138 * @remark Intended for PATM - legacy, don't use in new code.
7139 */
7140VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
7141{
7142 RT_NOREF_PV(pVM);
7143 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
7144}
7145
7146
7147/**
7148 * Gets a number of extended CPUID leaves (PATM only).
7149 *
7150 * @returns Number of leaves.
7151 * @param pVM The cross context VM structure.
7152 * @remark Intended for PATM - legacy, don't use in new code.
7153 */
7154VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
7155{
7156 RT_NOREF_PV(pVM);
7157 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
7158}
7159
7160
7161/**
7162 * Gets a number of centaur CPUID leaves.
7163 *
7164 * @returns Number of leaves.
7165 * @param pVM The cross context VM structure.
7166 * @remark Intended for PATM - legacy, don't use in new code.
7167 */
7168VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
7169{
7170 RT_NOREF_PV(pVM);
7171 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
7172}
7173
7174
7175/**
7176 * Gets a pointer to the array of standard CPUID leaves.
7177 *
7178 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
7179 *
7180 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
7181 * @param pVM The cross context VM structure.
7182 * @remark Intended for PATM - legacy, don't use in new code.
7183 */
7184VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
7185{
7186 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
7187}
7188
7189
7190/**
7191 * Gets a pointer to the array of extended CPUID leaves.
7192 *
7193 * CPUMGetGuestCpuIdExtMax() give the size of the array.
7194 *
7195 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
7196 * @param pVM The cross context VM structure.
7197 * @remark Intended for PATM - legacy, don't use in new code.
7198 */
7199VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
7200{
7201 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
7202}
7203
7204
7205/**
7206 * Gets a pointer to the array of centaur CPUID leaves.
7207 *
7208 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
7209 *
7210 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7211 * @param pVM The cross context VM structure.
7212 * @remark Intended for PATM - legacy, don't use in new code.
7213 */
7214VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7215{
7216 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7217}
7218
7219/** @} */
7220# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7221
7222#endif /* VBOX_IN_VMM */
7223
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