VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 70450

Last change on this file since 70450 was 70450, checked in by vboxsync, 7 years ago

VMM/CPUMR3CpuId.cpp: Some new intel model numbers.

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1/* $Id: CPUMR3CpuId.cpp 70450 2018-01-03 12:57:27Z 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_Unknown,
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_Unknown,
181 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
182 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
183 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Unknown,
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
510 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
511 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
512 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
513 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
514 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
515 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
516 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
517
518 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
519 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
520 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
521 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
522 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
523
524 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
525 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
526 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
527 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
528 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
529 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
530 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
531
532 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
533
534 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
535 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
536 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
537 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
538 CASE_RET_STR(kCpumMicroarch_AMD_K5);
539 CASE_RET_STR(kCpumMicroarch_AMD_K6);
540
541 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
542 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
543 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
544 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
545 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
546 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
547 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
548
549 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
550 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
551 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
552 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
553 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
554
555 CASE_RET_STR(kCpumMicroarch_AMD_K10);
556 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
557 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
558 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
559 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
560
561 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
562 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
563 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
564 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
565 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
566
567 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
568
569 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
570
571 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
572
573 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
574 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
575 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
576 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
577 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
578 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
579 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
580 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
581 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
582 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
583 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
584 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
585 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
586
587 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
588 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
589 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
590 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
591 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
592 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
593
594 CASE_RET_STR(kCpumMicroarch_NEC_V20);
595 CASE_RET_STR(kCpumMicroarch_NEC_V30);
596
597 CASE_RET_STR(kCpumMicroarch_Unknown);
598
599#undef CASE_RET_STR
600 case kCpumMicroarch_Invalid:
601 case kCpumMicroarch_Intel_End:
602 case kCpumMicroarch_Intel_Core2_End:
603 case kCpumMicroarch_Intel_Core7_End:
604 case kCpumMicroarch_Intel_Atom_End:
605 case kCpumMicroarch_Intel_P6_Core_Atom_End:
606 case kCpumMicroarch_Intel_Phi_End:
607 case kCpumMicroarch_Intel_NB_End:
608 case kCpumMicroarch_AMD_K7_End:
609 case kCpumMicroarch_AMD_K8_End:
610 case kCpumMicroarch_AMD_15h_End:
611 case kCpumMicroarch_AMD_16h_End:
612 case kCpumMicroarch_AMD_Zen_End:
613 case kCpumMicroarch_AMD_End:
614 case kCpumMicroarch_VIA_End:
615 case kCpumMicroarch_Cyrix_End:
616 case kCpumMicroarch_NEC_End:
617 case kCpumMicroarch_32BitHack:
618 break;
619 /* no default! */
620 }
621
622 return NULL;
623}
624
625
626/**
627 * Determins the host CPU MXCSR mask.
628 *
629 * @returns MXCSR mask.
630 */
631VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
632{
633 if ( ASMHasCpuId()
634 && ASMIsValidStdRange(ASMCpuId_EAX(0))
635 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
636 {
637 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
638 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
639 RT_ZERO(*pState);
640 ASMFxSave(pState);
641 if (pState->MXCSR_MASK == 0)
642 return 0xffbf;
643 return pState->MXCSR_MASK;
644 }
645 return 0;
646}
647
648
649/**
650 * Gets a matching leaf in the CPUID leaf array.
651 *
652 * @returns Pointer to the matching leaf, or NULL if not found.
653 * @param paLeaves The CPUID leaves to search. This is sorted.
654 * @param cLeaves The number of leaves in the array.
655 * @param uLeaf The leaf to locate.
656 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
657 */
658static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
659{
660 /* Lazy bird does linear lookup here since this is only used for the
661 occational CPUID overrides. */
662 for (uint32_t i = 0; i < cLeaves; i++)
663 if ( paLeaves[i].uLeaf == uLeaf
664 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
665 return &paLeaves[i];
666 return NULL;
667}
668
669
670#ifndef IN_VBOX_CPU_REPORT
671/**
672 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
673 *
674 * @returns true if found, false it not.
675 * @param paLeaves The CPUID leaves to search. This is sorted.
676 * @param cLeaves The number of leaves in the array.
677 * @param uLeaf The leaf to locate.
678 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
679 * @param pLegacy The legacy output leaf.
680 */
681static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
682 PCPUMCPUID pLegacy)
683{
684 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
685 if (pLeaf)
686 {
687 pLegacy->uEax = pLeaf->uEax;
688 pLegacy->uEbx = pLeaf->uEbx;
689 pLegacy->uEcx = pLeaf->uEcx;
690 pLegacy->uEdx = pLeaf->uEdx;
691 return true;
692 }
693 return false;
694}
695#endif /* IN_VBOX_CPU_REPORT */
696
697
698/**
699 * Ensures that the CPUID leaf array can hold one more leaf.
700 *
701 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
702 * failure.
703 * @param pVM The cross context VM structure. If NULL, use
704 * the process heap, otherwise the VM's hyper heap.
705 * @param ppaLeaves Pointer to the variable holding the array pointer
706 * (input/output).
707 * @param cLeaves The current array size.
708 *
709 * @remarks This function will automatically update the R0 and RC pointers when
710 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
711 * be the corresponding VM's CPUID arrays (which is asserted).
712 */
713static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
714{
715 /*
716 * If pVM is not specified, we're on the regular heap and can waste a
717 * little space to speed things up.
718 */
719 uint32_t cAllocated;
720 if (!pVM)
721 {
722 cAllocated = RT_ALIGN(cLeaves, 16);
723 if (cLeaves + 1 > cAllocated)
724 {
725 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
726 if (pvNew)
727 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
728 else
729 {
730 RTMemFree(*ppaLeaves);
731 *ppaLeaves = NULL;
732 }
733 }
734 }
735 /*
736 * Otherwise, we're on the hyper heap and are probably just inserting
737 * one or two leaves and should conserve space.
738 */
739 else
740 {
741#ifdef IN_VBOX_CPU_REPORT
742 AssertReleaseFailed();
743#else
744 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
745 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
746
747 size_t cb = cLeaves * sizeof(**ppaLeaves);
748 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
749 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
750 if (RT_SUCCESS(rc))
751 {
752 /* Update the R0 and RC pointers. */
753 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
754 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
755 }
756 else
757 {
758 *ppaLeaves = NULL;
759 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
760 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
761 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
762 }
763#endif
764 }
765 return *ppaLeaves;
766}
767
768
769/**
770 * Append a CPUID leaf or sub-leaf.
771 *
772 * ASSUMES linear insertion order, so we'll won't need to do any searching or
773 * replace anything. Use cpumR3CpuIdInsert() for those cases.
774 *
775 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
776 * the caller need do no more work.
777 * @param ppaLeaves Pointer to the pointer to the array of sorted
778 * CPUID leaves and sub-leaves.
779 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
780 * @param uLeaf The leaf we're adding.
781 * @param uSubLeaf The sub-leaf number.
782 * @param fSubLeafMask The sub-leaf mask.
783 * @param uEax The EAX value.
784 * @param uEbx The EBX value.
785 * @param uEcx The ECX value.
786 * @param uEdx The EDX value.
787 * @param fFlags The flags.
788 */
789static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
790 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
791 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
792{
793 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
794 return VERR_NO_MEMORY;
795
796 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
797 Assert( *pcLeaves == 0
798 || pNew[-1].uLeaf < uLeaf
799 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
800
801 pNew->uLeaf = uLeaf;
802 pNew->uSubLeaf = uSubLeaf;
803 pNew->fSubLeafMask = fSubLeafMask;
804 pNew->uEax = uEax;
805 pNew->uEbx = uEbx;
806 pNew->uEcx = uEcx;
807 pNew->uEdx = uEdx;
808 pNew->fFlags = fFlags;
809
810 *pcLeaves += 1;
811 return VINF_SUCCESS;
812}
813
814
815/**
816 * Checks that we've updated the CPUID leaves array correctly.
817 *
818 * This is a no-op in non-strict builds.
819 *
820 * @param paLeaves The leaves array.
821 * @param cLeaves The number of leaves.
822 */
823static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
824{
825#ifdef VBOX_STRICT
826 for (uint32_t i = 1; i < cLeaves; i++)
827 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
828 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
829 else
830 {
831 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
832 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
833 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
834 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
835 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
836 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
837 }
838#else
839 NOREF(paLeaves);
840 NOREF(cLeaves);
841#endif
842}
843
844
845/**
846 * Inserts a CPU ID leaf, replacing any existing ones.
847 *
848 * When inserting a simple leaf where we already got a series of sub-leaves with
849 * the same leaf number (eax), the simple leaf will replace the whole series.
850 *
851 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
852 * host-context heap and has only been allocated/reallocated by the
853 * cpumR3CpuIdEnsureSpace function.
854 *
855 * @returns VBox status code.
856 * @param pVM The cross context VM structure. If NULL, use
857 * the process heap, otherwise the VM's hyper heap.
858 * @param ppaLeaves Pointer to the pointer to the array of sorted
859 * CPUID leaves and sub-leaves. Must be NULL if using
860 * the hyper heap.
861 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
862 * be NULL if using the hyper heap.
863 * @param pNewLeaf Pointer to the data of the new leaf we're about to
864 * insert.
865 */
866static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
867{
868 /*
869 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
870 */
871 if (pVM)
872 {
873 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
874 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
875
876 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
877 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
878 }
879
880 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
881 uint32_t cLeaves = *pcLeaves;
882
883 /*
884 * Validate the new leaf a little.
885 */
886 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
887 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
888 VERR_INVALID_FLAGS);
889 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
890 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
891 VERR_INVALID_PARAMETER);
892 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
893 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
894 VERR_INVALID_PARAMETER);
895 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
896 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
897 VERR_INVALID_PARAMETER);
898
899 /*
900 * Find insertion point. The lazy bird uses the same excuse as in
901 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
902 */
903 uint32_t i;
904 if ( cLeaves > 0
905 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
906 {
907 /* Add at end. */
908 i = cLeaves;
909 }
910 else if ( cLeaves > 0
911 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
912 {
913 /* Either replacing the last leaf or dealing with sub-leaves. Spool
914 back to the first sub-leaf to pretend we did the linear search. */
915 i = cLeaves - 1;
916 while ( i > 0
917 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
918 i--;
919 }
920 else
921 {
922 /* Linear search from the start. */
923 i = 0;
924 while ( i < cLeaves
925 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
926 i++;
927 }
928 if ( i < cLeaves
929 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
930 {
931 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
932 {
933 /*
934 * The sub-leaf mask differs, replace all existing leaves with the
935 * same leaf number.
936 */
937 uint32_t c = 1;
938 while ( i + c < cLeaves
939 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
940 c++;
941 if (c > 1 && i + c < cLeaves)
942 {
943 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
944 *pcLeaves = cLeaves -= c - 1;
945 }
946
947 paLeaves[i] = *pNewLeaf;
948 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
949 return VINF_SUCCESS;
950 }
951
952 /* Find sub-leaf insertion point. */
953 while ( i < cLeaves
954 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
955 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
956 i++;
957
958 /*
959 * If we've got an exactly matching leaf, replace it.
960 */
961 if ( i < cLeaves
962 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
963 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
964 {
965 paLeaves[i] = *pNewLeaf;
966 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
967 return VINF_SUCCESS;
968 }
969 }
970
971 /*
972 * Adding a new leaf at 'i'.
973 */
974 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
975 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
976 if (!paLeaves)
977 return VERR_NO_MEMORY;
978
979 if (i < cLeaves)
980 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
981 *pcLeaves += 1;
982 paLeaves[i] = *pNewLeaf;
983
984 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
985 return VINF_SUCCESS;
986}
987
988
989#ifndef IN_VBOX_CPU_REPORT
990/**
991 * Removes a range of CPUID leaves.
992 *
993 * This will not reallocate the array.
994 *
995 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
996 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
997 * @param uFirst The first leaf.
998 * @param uLast The last leaf.
999 */
1000static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1001{
1002 uint32_t cLeaves = *pcLeaves;
1003
1004 Assert(uFirst <= uLast);
1005
1006 /*
1007 * Find the first one.
1008 */
1009 uint32_t iFirst = 0;
1010 while ( iFirst < cLeaves
1011 && paLeaves[iFirst].uLeaf < uFirst)
1012 iFirst++;
1013
1014 /*
1015 * Find the end (last + 1).
1016 */
1017 uint32_t iEnd = iFirst;
1018 while ( iEnd < cLeaves
1019 && paLeaves[iEnd].uLeaf <= uLast)
1020 iEnd++;
1021
1022 /*
1023 * Adjust the array if anything needs removing.
1024 */
1025 if (iFirst < iEnd)
1026 {
1027 if (iEnd < cLeaves)
1028 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1029 *pcLeaves = cLeaves -= (iEnd - iFirst);
1030 }
1031
1032 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1033}
1034#endif /* IN_VBOX_CPU_REPORT */
1035
1036
1037/**
1038 * Checks if ECX make a difference when reading a given CPUID leaf.
1039 *
1040 * @returns @c true if it does, @c false if it doesn't.
1041 * @param uLeaf The leaf we're reading.
1042 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1043 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1044 * final sub-leaf (for leaf 0xb only).
1045 */
1046static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1047{
1048 *pfFinalEcxUnchanged = false;
1049
1050 uint32_t auCur[4];
1051 uint32_t auPrev[4];
1052 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1053
1054 /* Look for sub-leaves. */
1055 uint32_t uSubLeaf = 1;
1056 for (;;)
1057 {
1058 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1059 if (memcmp(auCur, auPrev, sizeof(auCur)))
1060 break;
1061
1062 /* Advance / give up. */
1063 uSubLeaf++;
1064 if (uSubLeaf >= 64)
1065 {
1066 *pcSubLeaves = 1;
1067 return false;
1068 }
1069 }
1070
1071 /* Count sub-leaves. */
1072 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1073 uint32_t cRepeats = 0;
1074 uSubLeaf = 0;
1075 for (;;)
1076 {
1077 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1078
1079 /* Figuring out when to stop isn't entirely straight forward as we need
1080 to cover undocumented behavior up to a point and implementation shortcuts. */
1081
1082 /* 1. Look for more than 4 repeating value sets. */
1083 if ( auCur[0] == auPrev[0]
1084 && auCur[1] == auPrev[1]
1085 && ( auCur[2] == auPrev[2]
1086 || ( auCur[2] == uSubLeaf
1087 && auPrev[2] == uSubLeaf - 1) )
1088 && auCur[3] == auPrev[3])
1089 {
1090 if ( uLeaf != 0xd
1091 || uSubLeaf >= 64
1092 || ( auCur[0] == 0
1093 && auCur[1] == 0
1094 && auCur[2] == 0
1095 && auCur[3] == 0
1096 && auPrev[2] == 0) )
1097 cRepeats++;
1098 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1099 break;
1100 }
1101 else
1102 cRepeats = 0;
1103
1104 /* 2. Look for zero values. */
1105 if ( auCur[0] == 0
1106 && auCur[1] == 0
1107 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1108 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1109 && uSubLeaf >= cMinLeaves)
1110 {
1111 cRepeats = 0;
1112 break;
1113 }
1114
1115 /* 3. Leaf 0xb level type 0 check. */
1116 if ( uLeaf == 0xb
1117 && (auCur[2] & 0xff00) == 0
1118 && (auPrev[2] & 0xff00) == 0)
1119 {
1120 cRepeats = 0;
1121 break;
1122 }
1123
1124 /* 99. Give up. */
1125 if (uSubLeaf >= 128)
1126 {
1127#ifndef IN_VBOX_CPU_REPORT
1128 /* Ok, limit it according to the documentation if possible just to
1129 avoid annoying users with these detection issues. */
1130 uint32_t cDocLimit = UINT32_MAX;
1131 if (uLeaf == 0x4)
1132 cDocLimit = 4;
1133 else if (uLeaf == 0x7)
1134 cDocLimit = 1;
1135 else if (uLeaf == 0xd)
1136 cDocLimit = 63;
1137 else if (uLeaf == 0xf)
1138 cDocLimit = 2;
1139 if (cDocLimit != UINT32_MAX)
1140 {
1141 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1142 *pcSubLeaves = cDocLimit + 3;
1143 return true;
1144 }
1145#endif
1146 *pcSubLeaves = UINT32_MAX;
1147 return true;
1148 }
1149
1150 /* Advance. */
1151 uSubLeaf++;
1152 memcpy(auPrev, auCur, sizeof(auCur));
1153 }
1154
1155 /* Standard exit. */
1156 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1157 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1158 if (*pcSubLeaves == 0)
1159 *pcSubLeaves = 1;
1160 return true;
1161}
1162
1163
1164/**
1165 * Gets a CPU ID leaf.
1166 *
1167 * @returns VBox status code.
1168 * @param pVM The cross context VM structure.
1169 * @param pLeaf Where to store the found leaf.
1170 * @param uLeaf The leaf to locate.
1171 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1172 */
1173VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1174{
1175 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1176 uLeaf, uSubLeaf);
1177 if (pcLeaf)
1178 {
1179 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1180 return VINF_SUCCESS;
1181 }
1182
1183 return VERR_NOT_FOUND;
1184}
1185
1186
1187/**
1188 * Inserts a CPU ID leaf, replacing any existing ones.
1189 *
1190 * @returns VBox status code.
1191 * @param pVM The cross context VM structure.
1192 * @param pNewLeaf Pointer to the leaf being inserted.
1193 */
1194VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1195{
1196 /*
1197 * Validate parameters.
1198 */
1199 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1200 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1201
1202 /*
1203 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1204 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1205 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1206 */
1207 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1208 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1209 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1210 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1211 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1212 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1213 {
1214 return VERR_NOT_SUPPORTED;
1215 }
1216
1217 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1218}
1219
1220/**
1221 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1222 *
1223 * @returns VBox status code.
1224 * @param ppaLeaves Where to return the array pointer on success.
1225 * Use RTMemFree to release.
1226 * @param pcLeaves Where to return the size of the array on
1227 * success.
1228 */
1229VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1230{
1231 *ppaLeaves = NULL;
1232 *pcLeaves = 0;
1233
1234 /*
1235 * Try out various candidates. This must be sorted!
1236 */
1237 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1238 {
1239 { UINT32_C(0x00000000), false },
1240 { UINT32_C(0x10000000), false },
1241 { UINT32_C(0x20000000), false },
1242 { UINT32_C(0x30000000), false },
1243 { UINT32_C(0x40000000), false },
1244 { UINT32_C(0x50000000), false },
1245 { UINT32_C(0x60000000), false },
1246 { UINT32_C(0x70000000), false },
1247 { UINT32_C(0x80000000), false },
1248 { UINT32_C(0x80860000), false },
1249 { UINT32_C(0x8ffffffe), true },
1250 { UINT32_C(0x8fffffff), true },
1251 { UINT32_C(0x90000000), false },
1252 { UINT32_C(0xa0000000), false },
1253 { UINT32_C(0xb0000000), false },
1254 { UINT32_C(0xc0000000), false },
1255 { UINT32_C(0xd0000000), false },
1256 { UINT32_C(0xe0000000), false },
1257 { UINT32_C(0xf0000000), false },
1258 };
1259
1260 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1261 {
1262 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1263 uint32_t uEax, uEbx, uEcx, uEdx;
1264 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1265
1266 /*
1267 * Does EAX look like a typical leaf count value?
1268 */
1269 if ( uEax > uLeaf
1270 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1271 {
1272 /* Yes, dump them. */
1273 uint32_t cLeaves = uEax - uLeaf + 1;
1274 while (cLeaves-- > 0)
1275 {
1276 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1277
1278 uint32_t fFlags = 0;
1279
1280 /* There are currently three known leaves containing an APIC ID
1281 that needs EMT specific attention */
1282 if (uLeaf == 1)
1283 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1284 else if (uLeaf == 0xb && uEcx != 0)
1285 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1286 else if ( uLeaf == UINT32_C(0x8000001e)
1287 && ( uEax
1288 || uEbx
1289 || uEdx
1290 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1291 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1292
1293 /* The APIC bit is per-VCpu and needs flagging. */
1294 if (uLeaf == 1)
1295 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1296 else if ( uLeaf == UINT32_C(0x80000001)
1297 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1298 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1299 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1300
1301 /* Check three times here to reduce the chance of CPU migration
1302 resulting in false positives with things like the APIC ID. */
1303 uint32_t cSubLeaves;
1304 bool fFinalEcxUnchanged;
1305 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1306 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1307 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1308 {
1309 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1310 {
1311 /* This shouldn't happen. But in case it does, file all
1312 relevant details in the release log. */
1313 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1314 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1315 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1316 {
1317 uint32_t auTmp[4];
1318 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1319 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1320 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1321 }
1322 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1323 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1324 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1325 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1326 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1327 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1328 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1329 }
1330
1331 if (fFinalEcxUnchanged)
1332 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1333
1334 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1335 {
1336 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1337 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1338 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1339 if (RT_FAILURE(rc))
1340 return rc;
1341 }
1342 }
1343 else
1344 {
1345 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1346 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1347 if (RT_FAILURE(rc))
1348 return rc;
1349 }
1350
1351 /* next */
1352 uLeaf++;
1353 }
1354 }
1355 /*
1356 * Special CPUIDs needs special handling as they don't follow the
1357 * leaf count principle used above.
1358 */
1359 else if (s_aCandidates[iOuter].fSpecial)
1360 {
1361 bool fKeep = false;
1362 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1363 fKeep = true;
1364 else if ( uLeaf == 0x8fffffff
1365 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1366 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1367 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1368 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1369 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1370 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1371 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1372 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1373 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1374 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1375 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1376 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1377 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1378 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1379 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1380 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1381 fKeep = true;
1382 if (fKeep)
1383 {
1384 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1385 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1386 if (RT_FAILURE(rc))
1387 return rc;
1388 }
1389 }
1390 }
1391
1392 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1393 return VINF_SUCCESS;
1394}
1395
1396
1397/**
1398 * Determines the method the CPU uses to handle unknown CPUID leaves.
1399 *
1400 * @returns VBox status code.
1401 * @param penmUnknownMethod Where to return the method.
1402 * @param pDefUnknown Where to return default unknown values. This
1403 * will be set, even if the resulting method
1404 * doesn't actually needs it.
1405 */
1406VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1407{
1408 uint32_t uLastStd = ASMCpuId_EAX(0);
1409 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1410 if (!ASMIsValidExtRange(uLastExt))
1411 uLastExt = 0x80000000;
1412
1413 uint32_t auChecks[] =
1414 {
1415 uLastStd + 1,
1416 uLastStd + 5,
1417 uLastStd + 8,
1418 uLastStd + 32,
1419 uLastStd + 251,
1420 uLastExt + 1,
1421 uLastExt + 8,
1422 uLastExt + 15,
1423 uLastExt + 63,
1424 uLastExt + 255,
1425 0x7fbbffcc,
1426 0x833f7872,
1427 0xefff2353,
1428 0x35779456,
1429 0x1ef6d33e,
1430 };
1431
1432 static const uint32_t s_auValues[] =
1433 {
1434 0xa95d2156,
1435 0x00000001,
1436 0x00000002,
1437 0x00000008,
1438 0x00000000,
1439 0x55773399,
1440 0x93401769,
1441 0x12039587,
1442 };
1443
1444 /*
1445 * Simple method, all zeros.
1446 */
1447 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1448 pDefUnknown->uEax = 0;
1449 pDefUnknown->uEbx = 0;
1450 pDefUnknown->uEcx = 0;
1451 pDefUnknown->uEdx = 0;
1452
1453 /*
1454 * Intel has been observed returning the last standard leaf.
1455 */
1456 uint32_t auLast[4];
1457 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1458
1459 uint32_t cChecks = RT_ELEMENTS(auChecks);
1460 while (cChecks > 0)
1461 {
1462 uint32_t auCur[4];
1463 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1464 if (memcmp(auCur, auLast, sizeof(auCur)))
1465 break;
1466 cChecks--;
1467 }
1468 if (cChecks == 0)
1469 {
1470 /* Now, what happens when the input changes? Esp. ECX. */
1471 uint32_t cTotal = 0;
1472 uint32_t cSame = 0;
1473 uint32_t cLastWithEcx = 0;
1474 uint32_t cNeither = 0;
1475 uint32_t cValues = RT_ELEMENTS(s_auValues);
1476 while (cValues > 0)
1477 {
1478 uint32_t uValue = s_auValues[cValues - 1];
1479 uint32_t auLastWithEcx[4];
1480 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1481 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1482
1483 cChecks = RT_ELEMENTS(auChecks);
1484 while (cChecks > 0)
1485 {
1486 uint32_t auCur[4];
1487 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1488 if (!memcmp(auCur, auLast, sizeof(auCur)))
1489 {
1490 cSame++;
1491 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1492 cLastWithEcx++;
1493 }
1494 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1495 cLastWithEcx++;
1496 else
1497 cNeither++;
1498 cTotal++;
1499 cChecks--;
1500 }
1501 cValues--;
1502 }
1503
1504 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1505 if (cSame == cTotal)
1506 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1507 else if (cLastWithEcx == cTotal)
1508 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1509 else
1510 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1511 pDefUnknown->uEax = auLast[0];
1512 pDefUnknown->uEbx = auLast[1];
1513 pDefUnknown->uEcx = auLast[2];
1514 pDefUnknown->uEdx = auLast[3];
1515 return VINF_SUCCESS;
1516 }
1517
1518 /*
1519 * Unchanged register values?
1520 */
1521 cChecks = RT_ELEMENTS(auChecks);
1522 while (cChecks > 0)
1523 {
1524 uint32_t const uLeaf = auChecks[cChecks - 1];
1525 uint32_t cValues = RT_ELEMENTS(s_auValues);
1526 while (cValues > 0)
1527 {
1528 uint32_t uValue = s_auValues[cValues - 1];
1529 uint32_t auCur[4];
1530 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1531 if ( auCur[0] != uLeaf
1532 || auCur[1] != uValue
1533 || auCur[2] != uValue
1534 || auCur[3] != uValue)
1535 break;
1536 cValues--;
1537 }
1538 if (cValues != 0)
1539 break;
1540 cChecks--;
1541 }
1542 if (cChecks == 0)
1543 {
1544 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1545 return VINF_SUCCESS;
1546 }
1547
1548 /*
1549 * Just go with the simple method.
1550 */
1551 return VINF_SUCCESS;
1552}
1553
1554
1555/**
1556 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1557 *
1558 * @returns Read only name string.
1559 * @param enmUnknownMethod The method to translate.
1560 */
1561VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1562{
1563 switch (enmUnknownMethod)
1564 {
1565 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1566 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1567 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1568 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1569
1570 case CPUMUNKNOWNCPUID_INVALID:
1571 case CPUMUNKNOWNCPUID_END:
1572 case CPUMUNKNOWNCPUID_32BIT_HACK:
1573 break;
1574 }
1575 return "Invalid-unknown-CPUID-method";
1576}
1577
1578
1579/**
1580 * Detect the CPU vendor give n the
1581 *
1582 * @returns The vendor.
1583 * @param uEAX EAX from CPUID(0).
1584 * @param uEBX EBX from CPUID(0).
1585 * @param uECX ECX from CPUID(0).
1586 * @param uEDX EDX from CPUID(0).
1587 */
1588VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1589{
1590 if (ASMIsValidStdRange(uEAX))
1591 {
1592 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1593 return CPUMCPUVENDOR_AMD;
1594
1595 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1596 return CPUMCPUVENDOR_INTEL;
1597
1598 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1599 return CPUMCPUVENDOR_VIA;
1600
1601 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1602 && uECX == UINT32_C(0x64616574)
1603 && uEDX == UINT32_C(0x736E4978))
1604 return CPUMCPUVENDOR_CYRIX;
1605
1606 /* "Geode by NSC", example: family 5, model 9. */
1607
1608 /** @todo detect the other buggers... */
1609 }
1610
1611 return CPUMCPUVENDOR_UNKNOWN;
1612}
1613
1614
1615/**
1616 * Translates a CPU vendor enum value into the corresponding string constant.
1617 *
1618 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1619 * value name. This can be useful when generating code.
1620 *
1621 * @returns Read only name string.
1622 * @param enmVendor The CPU vendor value.
1623 */
1624VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1625{
1626 switch (enmVendor)
1627 {
1628 case CPUMCPUVENDOR_INTEL: return "INTEL";
1629 case CPUMCPUVENDOR_AMD: return "AMD";
1630 case CPUMCPUVENDOR_VIA: return "VIA";
1631 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1632 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1633
1634 case CPUMCPUVENDOR_INVALID:
1635 case CPUMCPUVENDOR_32BIT_HACK:
1636 break;
1637 }
1638 return "Invalid-cpu-vendor";
1639}
1640
1641
1642static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1643{
1644 /* Could do binary search, doing linear now because I'm lazy. */
1645 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1646 while (cLeaves-- > 0)
1647 {
1648 if (pLeaf->uLeaf == uLeaf)
1649 return pLeaf;
1650 pLeaf++;
1651 }
1652 return NULL;
1653}
1654
1655
1656static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1657{
1658 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1659 if ( !pLeaf
1660 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1661 return pLeaf;
1662
1663 /* Linear sub-leaf search. Lazy as usual. */
1664 cLeaves -= pLeaf - paLeaves;
1665 while ( cLeaves-- > 0
1666 && pLeaf->uLeaf == uLeaf)
1667 {
1668 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1669 return pLeaf;
1670 pLeaf++;
1671 }
1672
1673 return NULL;
1674}
1675
1676
1677int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1678{
1679 RT_ZERO(*pFeatures);
1680 if (cLeaves >= 2)
1681 {
1682 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1683 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1684 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1685 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1686 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1687 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1688
1689 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1690 pStd0Leaf->uEbx,
1691 pStd0Leaf->uEcx,
1692 pStd0Leaf->uEdx);
1693 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1694 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1695 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1696 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1697 pFeatures->uFamily,
1698 pFeatures->uModel,
1699 pFeatures->uStepping);
1700
1701 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1702 if (pLeaf)
1703 pFeatures->cMaxPhysAddrWidth = pLeaf->uEax & 0xff;
1704 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1705 pFeatures->cMaxPhysAddrWidth = 36;
1706 else
1707 pFeatures->cMaxPhysAddrWidth = 32;
1708
1709 /* Standard features. */
1710 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1711 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1712 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1713 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1714 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1715 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1716 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1717 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1718 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1719 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1720 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1721 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1722 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1723 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1724 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1725 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1726 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1727 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1728 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1729 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1730 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1731 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1732 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1733 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1734
1735 /* Structured extended features. */
1736 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1737 if (pSxfLeaf0)
1738 {
1739 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1740 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1741 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1742 }
1743
1744 /* MWAIT/MONITOR leaf. */
1745 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1746 if (pMWaitLeaf)
1747 {
1748 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1749 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1750 }
1751
1752 /* Extended features. */
1753 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1754 if (pExtLeaf)
1755 {
1756 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1757 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1758 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1759 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1760 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1761 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1762 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1763 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1764 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1765 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1766 }
1767
1768 if ( pExtLeaf
1769 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1770 {
1771 /* AMD features. */
1772 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1773 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1774 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1775 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1776 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1777 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1778 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1779 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1780 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1781 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1782 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1783 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1784 if (pFeatures->fSvm)
1785 {
1786 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1787 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1788 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1789 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1790 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1791 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1792 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1793 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1794 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1795 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1796 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1797 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1798 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1799 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1800 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1801 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1802 }
1803 }
1804
1805 /*
1806 * Quirks.
1807 */
1808 pFeatures->fLeakyFxSR = pExtLeaf
1809 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1810 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1811 && pFeatures->uFamily >= 6 /* K7 and up */;
1812
1813 /*
1814 * Max extended (/FPU) state.
1815 */
1816 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1817 if (pFeatures->fXSaveRstor)
1818 {
1819 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1820 if (pXStateLeaf0)
1821 {
1822 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1823 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1824 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1825 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1826 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1827 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1828 {
1829 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1830
1831 /* (paranoia:) */
1832 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1833 if ( pXStateLeaf1
1834 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1835 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1836 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1837 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1838 }
1839 else
1840 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1841 pFeatures->fXSaveRstor = 0);
1842 }
1843 else
1844 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1845 pFeatures->fXSaveRstor = 0);
1846 }
1847 }
1848 else
1849 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1850 return VINF_SUCCESS;
1851}
1852
1853
1854/*
1855 *
1856 * Init related code.
1857 * Init related code.
1858 * Init related code.
1859 *
1860 *
1861 */
1862#ifdef VBOX_IN_VMM
1863
1864
1865/**
1866 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1867 *
1868 * This ignores the fSubLeafMask.
1869 *
1870 * @returns Pointer to the matching leaf, or NULL if not found.
1871 * @param paLeaves The CPUID leaves to search. This is sorted.
1872 * @param cLeaves The number of leaves in the array.
1873 * @param uLeaf The leaf to locate.
1874 * @param uSubLeaf The subleaf to locate.
1875 */
1876static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1877{
1878 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1879 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1880 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1881 if (iEnd)
1882 {
1883 uint32_t iBegin = 0;
1884 for (;;)
1885 {
1886 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1887 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1888 if (uNeedle < uCur)
1889 {
1890 if (i > iBegin)
1891 iEnd = i;
1892 else
1893 break;
1894 }
1895 else if (uNeedle > uCur)
1896 {
1897 if (i + 1 < iEnd)
1898 iBegin = i + 1;
1899 else
1900 break;
1901 }
1902 else
1903 return &paLeaves[i];
1904 }
1905 }
1906 return NULL;
1907}
1908
1909
1910/**
1911 * Loads MSR range overrides.
1912 *
1913 * This must be called before the MSR ranges are moved from the normal heap to
1914 * the hyper heap!
1915 *
1916 * @returns VBox status code (VMSetError called).
1917 * @param pVM The cross context VM structure.
1918 * @param pMsrNode The CFGM node with the MSR overrides.
1919 */
1920static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1921{
1922 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1923 {
1924 /*
1925 * Assemble a valid MSR range.
1926 */
1927 CPUMMSRRANGE MsrRange;
1928 MsrRange.offCpumCpu = 0;
1929 MsrRange.fReserved = 0;
1930
1931 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1932 if (RT_FAILURE(rc))
1933 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1934
1935 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1936 if (RT_FAILURE(rc))
1937 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1938 MsrRange.szName, rc);
1939
1940 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1941 if (RT_FAILURE(rc))
1942 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1943 MsrRange.szName, rc);
1944
1945 char szType[32];
1946 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1947 if (RT_FAILURE(rc))
1948 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1949 MsrRange.szName, rc);
1950 if (!RTStrICmp(szType, "FixedValue"))
1951 {
1952 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1953 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1954
1955 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1956 if (RT_FAILURE(rc))
1957 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1958 MsrRange.szName, rc);
1959
1960 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1961 if (RT_FAILURE(rc))
1962 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1963 MsrRange.szName, rc);
1964
1965 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1966 if (RT_FAILURE(rc))
1967 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1968 MsrRange.szName, rc);
1969 }
1970 else
1971 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1972 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1973
1974 /*
1975 * Insert the range into the table (replaces/splits/shrinks existing
1976 * MSR ranges).
1977 */
1978 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1979 &MsrRange);
1980 if (RT_FAILURE(rc))
1981 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1982 }
1983
1984 return VINF_SUCCESS;
1985}
1986
1987
1988/**
1989 * Loads CPUID leaf overrides.
1990 *
1991 * This must be called before the CPUID leaves are moved from the normal
1992 * heap to the hyper heap!
1993 *
1994 * @returns VBox status code (VMSetError called).
1995 * @param pVM The cross context VM structure.
1996 * @param pParentNode The CFGM node with the CPUID leaves.
1997 * @param pszLabel How to label the overrides we're loading.
1998 */
1999static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2000{
2001 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2002 {
2003 /*
2004 * Get the leaf and subleaf numbers.
2005 */
2006 char szName[128];
2007 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2008 if (RT_FAILURE(rc))
2009 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2010
2011 /* The leaf number is either specified directly or thru the node name. */
2012 uint32_t uLeaf;
2013 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2014 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2015 {
2016 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2017 if (rc != VINF_SUCCESS)
2018 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2019 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2020 }
2021 else if (RT_FAILURE(rc))
2022 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2023 pszLabel, szName, rc);
2024
2025 uint32_t uSubLeaf;
2026 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2027 if (RT_FAILURE(rc))
2028 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2029 pszLabel, szName, rc);
2030
2031 uint32_t fSubLeafMask;
2032 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2033 if (RT_FAILURE(rc))
2034 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2035 pszLabel, szName, rc);
2036
2037 /*
2038 * Look up the specified leaf, since the output register values
2039 * defaults to any existing values. This allows overriding a single
2040 * register, without needing to know the other values.
2041 */
2042 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2043 CPUMCPUIDLEAF Leaf;
2044 if (pLeaf)
2045 Leaf = *pLeaf;
2046 else
2047 RT_ZERO(Leaf);
2048 Leaf.uLeaf = uLeaf;
2049 Leaf.uSubLeaf = uSubLeaf;
2050 Leaf.fSubLeafMask = fSubLeafMask;
2051
2052 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2053 if (RT_FAILURE(rc))
2054 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2055 pszLabel, szName, rc);
2056 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2057 if (RT_FAILURE(rc))
2058 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2059 pszLabel, szName, rc);
2060 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2061 if (RT_FAILURE(rc))
2062 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2063 pszLabel, szName, rc);
2064 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2065 if (RT_FAILURE(rc))
2066 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2067 pszLabel, szName, rc);
2068
2069 /*
2070 * Insert the leaf into the table (replaces existing ones).
2071 */
2072 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2073 &Leaf);
2074 if (RT_FAILURE(rc))
2075 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2076 }
2077
2078 return VINF_SUCCESS;
2079}
2080
2081
2082
2083/**
2084 * Fetches overrides for a CPUID leaf.
2085 *
2086 * @returns VBox status code.
2087 * @param pLeaf The leaf to load the overrides into.
2088 * @param pCfgNode The CFGM node containing the overrides
2089 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2090 * @param iLeaf The CPUID leaf number.
2091 */
2092static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2093{
2094 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2095 if (pLeafNode)
2096 {
2097 uint32_t u32;
2098 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2099 if (RT_SUCCESS(rc))
2100 pLeaf->uEax = u32;
2101 else
2102 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2103
2104 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2105 if (RT_SUCCESS(rc))
2106 pLeaf->uEbx = u32;
2107 else
2108 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2109
2110 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2111 if (RT_SUCCESS(rc))
2112 pLeaf->uEcx = u32;
2113 else
2114 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2115
2116 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2117 if (RT_SUCCESS(rc))
2118 pLeaf->uEdx = u32;
2119 else
2120 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2121
2122 }
2123 return VINF_SUCCESS;
2124}
2125
2126
2127/**
2128 * Load the overrides for a set of CPUID leaves.
2129 *
2130 * @returns VBox status code.
2131 * @param paLeaves The leaf array.
2132 * @param cLeaves The number of leaves.
2133 * @param uStart The start leaf number.
2134 * @param pCfgNode The CFGM node containing the overrides
2135 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2136 */
2137static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2138{
2139 for (uint32_t i = 0; i < cLeaves; i++)
2140 {
2141 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2142 if (RT_FAILURE(rc))
2143 return rc;
2144 }
2145
2146 return VINF_SUCCESS;
2147}
2148
2149
2150/**
2151 * Installs the CPUID leaves and explods the data into structures like
2152 * GuestFeatures and CPUMCTX::aoffXState.
2153 *
2154 * @returns VBox status code.
2155 * @param pVM The cross context VM structure.
2156 * @param pCpum The CPUM part of @a VM.
2157 * @param paLeaves The leaves. These will be copied (but not freed).
2158 * @param cLeaves The number of leaves.
2159 */
2160static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2161{
2162 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2163
2164 /*
2165 * Install the CPUID information.
2166 */
2167 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2168 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2169
2170 AssertLogRelRCReturn(rc, rc);
2171 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2172 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2173 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2174 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2175 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2176
2177 /*
2178 * Update the default CPUID leaf if necessary.
2179 */
2180 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2181 {
2182 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2183 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2184 {
2185 /* We don't use CPUID(0).eax here because of the NT hack that only
2186 changes that value without actually removing any leaves. */
2187 uint32_t i = 0;
2188 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2189 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2190 {
2191 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2192 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2193 i++;
2194 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2195 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2196 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2197 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2198 }
2199 break;
2200 }
2201 default:
2202 break;
2203 }
2204
2205 /*
2206 * Explode the guest CPU features.
2207 */
2208 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2209 AssertLogRelRCReturn(rc, rc);
2210
2211 /*
2212 * Adjust the scalable bus frequency according to the CPUID information
2213 * we're now using.
2214 */
2215 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2216 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2217 ? UINT64_C(100000000) /* 100MHz */
2218 : UINT64_C(133333333); /* 133MHz */
2219
2220 /*
2221 * Populate the legacy arrays. Currently used for everything, later only
2222 * for patch manager.
2223 */
2224 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2225 {
2226 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2227 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2228 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2229 };
2230 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2231 {
2232 uint32_t cLeft = aOldRanges[i].cCpuIds;
2233 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2234 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2235 while (cLeft-- > 0)
2236 {
2237 uLeaf--;
2238 pLegacyLeaf--;
2239
2240 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2241 if (pLeaf)
2242 {
2243 pLegacyLeaf->uEax = pLeaf->uEax;
2244 pLegacyLeaf->uEbx = pLeaf->uEbx;
2245 pLegacyLeaf->uEcx = pLeaf->uEcx;
2246 pLegacyLeaf->uEdx = pLeaf->uEdx;
2247 }
2248 else
2249 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2250 }
2251 }
2252
2253 /*
2254 * Configure XSAVE offsets according to the CPUID info.
2255 */
2256 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2257 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2258 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2259 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2260 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2261 {
2262 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2263 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2264 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2265 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2266 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2267 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2268 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2269 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2270 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2271 pCpum->GuestFeatures.cbMaxExtendedState),
2272 VERR_CPUM_IPE_1);
2273 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2274 }
2275 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2276
2277 /* Copy the CPU #0 data to the other CPUs. */
2278 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2279 {
2280 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2281 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2282 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2283 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2284 }
2285
2286 return VINF_SUCCESS;
2287}
2288
2289
2290/** @name Instruction Set Extension Options
2291 * @{ */
2292/** Configuration option type (extended boolean, really). */
2293typedef uint8_t CPUMISAEXTCFG;
2294/** Always disable the extension. */
2295#define CPUMISAEXTCFG_DISABLED false
2296/** Enable the extension if it's supported by the host CPU. */
2297#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2298/** Enable the extension if it's supported by the host CPU, but don't let
2299 * the portable CPUID feature disable it. */
2300#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2301/** Always enable the extension. */
2302#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2303/** @} */
2304
2305/**
2306 * CPUID Configuration (from CFGM).
2307 *
2308 * @remarks The members aren't document since we would only be duplicating the
2309 * \@cfgm entries in cpumR3CpuIdReadConfig.
2310 */
2311typedef struct CPUMCPUIDCONFIG
2312{
2313 bool fNt4LeafLimit;
2314 bool fInvariantTsc;
2315 bool fForceVme;
2316
2317 CPUMISAEXTCFG enmCmpXchg16b;
2318 CPUMISAEXTCFG enmMonitor;
2319 CPUMISAEXTCFG enmMWaitExtensions;
2320 CPUMISAEXTCFG enmSse41;
2321 CPUMISAEXTCFG enmSse42;
2322 CPUMISAEXTCFG enmAvx;
2323 CPUMISAEXTCFG enmAvx2;
2324 CPUMISAEXTCFG enmXSave;
2325 CPUMISAEXTCFG enmAesNi;
2326 CPUMISAEXTCFG enmPClMul;
2327 CPUMISAEXTCFG enmPopCnt;
2328 CPUMISAEXTCFG enmMovBe;
2329 CPUMISAEXTCFG enmRdRand;
2330 CPUMISAEXTCFG enmRdSeed;
2331 CPUMISAEXTCFG enmCLFlushOpt;
2332
2333 CPUMISAEXTCFG enmAbm;
2334 CPUMISAEXTCFG enmSse4A;
2335 CPUMISAEXTCFG enmMisAlnSse;
2336 CPUMISAEXTCFG enm3dNowPrf;
2337 CPUMISAEXTCFG enmAmdExtMmx;
2338 CPUMISAEXTCFG enmSvm;
2339
2340 uint32_t uMaxStdLeaf;
2341 uint32_t uMaxExtLeaf;
2342 uint32_t uMaxCentaurLeaf;
2343 uint32_t uMaxIntelFamilyModelStep;
2344 char szCpuName[128];
2345} CPUMCPUIDCONFIG;
2346/** Pointer to CPUID config (from CFGM). */
2347typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2348
2349
2350/**
2351 * Mini CPU selection support for making Mac OS X happy.
2352 *
2353 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2354 *
2355 * @param pCpum The CPUM instance data.
2356 * @param pConfig The CPUID configuration we've read from CFGM.
2357 */
2358static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2359{
2360 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2361 {
2362 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2363 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2364 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2365 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2366 0);
2367 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2368 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2369 {
2370 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2371 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2372 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2373 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2374 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2375 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2376 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2377 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2378 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2379 pStdFeatureLeaf->uEax = uNew;
2380 }
2381 }
2382}
2383
2384
2385
2386/**
2387 * Limit it the number of entries, zapping the remainder.
2388 *
2389 * The limits are masking off stuff about power saving and similar, this
2390 * is perhaps a bit crudely done as there is probably some relatively harmless
2391 * info too in these leaves (like words about having a constant TSC).
2392 *
2393 * @param pCpum The CPUM instance data.
2394 * @param pConfig The CPUID configuration we've read from CFGM.
2395 */
2396static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2397{
2398 /*
2399 * Standard leaves.
2400 */
2401 uint32_t uSubLeaf = 0;
2402 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2403 if (pCurLeaf)
2404 {
2405 uint32_t uLimit = pCurLeaf->uEax;
2406 if (uLimit <= UINT32_C(0x000fffff))
2407 {
2408 if (uLimit > pConfig->uMaxStdLeaf)
2409 {
2410 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2411 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2412 uLimit + 1, UINT32_C(0x000fffff));
2413 }
2414
2415 /* NT4 hack, no zapping of extra leaves here. */
2416 if (pConfig->fNt4LeafLimit && uLimit > 3)
2417 pCurLeaf->uEax = uLimit = 3;
2418
2419 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2420 pCurLeaf->uEax = uLimit;
2421 }
2422 else
2423 {
2424 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2425 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2426 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2427 }
2428 }
2429
2430 /*
2431 * Extended leaves.
2432 */
2433 uSubLeaf = 0;
2434 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2435 if (pCurLeaf)
2436 {
2437 uint32_t uLimit = pCurLeaf->uEax;
2438 if ( uLimit >= UINT32_C(0x80000000)
2439 && uLimit <= UINT32_C(0x800fffff))
2440 {
2441 if (uLimit > pConfig->uMaxExtLeaf)
2442 {
2443 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2444 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2445 uLimit + 1, UINT32_C(0x800fffff));
2446 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2447 pCurLeaf->uEax = uLimit;
2448 }
2449 }
2450 else
2451 {
2452 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2453 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2454 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2455 }
2456 }
2457
2458 /*
2459 * Centaur leaves (VIA).
2460 */
2461 uSubLeaf = 0;
2462 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2463 if (pCurLeaf)
2464 {
2465 uint32_t uLimit = pCurLeaf->uEax;
2466 if ( uLimit >= UINT32_C(0xc0000000)
2467 && uLimit <= UINT32_C(0xc00fffff))
2468 {
2469 if (uLimit > pConfig->uMaxCentaurLeaf)
2470 {
2471 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2472 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2473 uLimit + 1, UINT32_C(0xcfffffff));
2474 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2475 pCurLeaf->uEax = uLimit;
2476 }
2477 }
2478 else
2479 {
2480 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2481 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2482 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2483 }
2484 }
2485}
2486
2487
2488/**
2489 * Clears a CPUID leaf and all sub-leaves (to zero).
2490 *
2491 * @param pCpum The CPUM instance data.
2492 * @param uLeaf The leaf to clear.
2493 */
2494static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2495{
2496 uint32_t uSubLeaf = 0;
2497 PCPUMCPUIDLEAF pCurLeaf;
2498 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2499 {
2500 pCurLeaf->uEax = 0;
2501 pCurLeaf->uEbx = 0;
2502 pCurLeaf->uEcx = 0;
2503 pCurLeaf->uEdx = 0;
2504 uSubLeaf++;
2505 }
2506}
2507
2508
2509/**
2510 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2511 * the given leaf.
2512 *
2513 * @returns pLeaf.
2514 * @param pCpum The CPUM instance data.
2515 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2516 */
2517static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2518{
2519 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2520 if (pLeaf->fSubLeafMask != 0)
2521 {
2522 /*
2523 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2524 * Log everything while we're at it.
2525 */
2526 LogRel(("CPUM:\n"
2527 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2528 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2529 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2530 for (;;)
2531 {
2532 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2533 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2534 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2535 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2536 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2537 break;
2538 pSubLeaf++;
2539 }
2540 LogRel(("CPUM:\n"));
2541
2542 /*
2543 * Remove the offending sub-leaves.
2544 */
2545 if (pSubLeaf != pLeaf)
2546 {
2547 if (pSubLeaf != pLast)
2548 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2549 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2550 }
2551
2552 /*
2553 * Convert the first sub-leaf into a single leaf.
2554 */
2555 pLeaf->uSubLeaf = 0;
2556 pLeaf->fSubLeafMask = 0;
2557 }
2558 return pLeaf;
2559}
2560
2561
2562/**
2563 * Sanitizes and adjust the CPUID leaves.
2564 *
2565 * Drop features that aren't virtualized (or virtualizable). Adjust information
2566 * and capabilities to fit the virtualized hardware. Remove information the
2567 * guest shouldn't have (because it's wrong in the virtual world or because it
2568 * gives away host details) or that we don't have documentation for and no idea
2569 * what means.
2570 *
2571 * @returns VBox status code.
2572 * @param pVM The cross context VM structure (for cCpus).
2573 * @param pCpum The CPUM instance data.
2574 * @param pConfig The CPUID configuration we've read from CFGM.
2575 */
2576static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2577{
2578#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2579 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2580 { \
2581 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2582 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2583 }
2584#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2585 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2586 { \
2587 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2588 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2589 }
2590#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2591 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2592 && ((a_pLeafReg) & (fBitMask)) \
2593 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2594 { \
2595 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2596 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2597 }
2598 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2599
2600 /* Cpuid 1:
2601 * EAX: CPU model, family and stepping.
2602 *
2603 * ECX + EDX: Supported features. Only report features we can support.
2604 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2605 * options may require adjusting (i.e. stripping what was enabled).
2606 *
2607 * EBX: Branding, CLFLUSH line size, logical processors per package and
2608 * initial APIC ID.
2609 */
2610 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2611 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2612 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2613
2614 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2615 | X86_CPUID_FEATURE_EDX_VME
2616 | X86_CPUID_FEATURE_EDX_DE
2617 | X86_CPUID_FEATURE_EDX_PSE
2618 | X86_CPUID_FEATURE_EDX_TSC
2619 | X86_CPUID_FEATURE_EDX_MSR
2620 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2621 | X86_CPUID_FEATURE_EDX_MCE
2622 | X86_CPUID_FEATURE_EDX_CX8
2623 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2624 //| RT_BIT_32(10) - not defined
2625 /* 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}) */
2626 //| X86_CPUID_FEATURE_EDX_SEP
2627 | X86_CPUID_FEATURE_EDX_MTRR
2628 | X86_CPUID_FEATURE_EDX_PGE
2629 | X86_CPUID_FEATURE_EDX_MCA
2630 | X86_CPUID_FEATURE_EDX_CMOV
2631 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2632 | X86_CPUID_FEATURE_EDX_PSE36
2633 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2634 | X86_CPUID_FEATURE_EDX_CLFSH
2635 //| RT_BIT_32(20) - not defined
2636 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2637 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2638 | X86_CPUID_FEATURE_EDX_MMX
2639 | X86_CPUID_FEATURE_EDX_FXSR
2640 | X86_CPUID_FEATURE_EDX_SSE
2641 | X86_CPUID_FEATURE_EDX_SSE2
2642 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2643 | X86_CPUID_FEATURE_EDX_HTT
2644 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2645 //| RT_BIT_32(30) - not defined
2646 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2647 ;
2648 pStdFeatureLeaf->uEcx &= 0
2649 | X86_CPUID_FEATURE_ECX_SSE3
2650 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2651 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2652 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2653 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2654 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2655 //| X86_CPUID_FEATURE_ECX_VMX - not virtualized yet.
2656 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2657 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2658 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2659 | X86_CPUID_FEATURE_ECX_SSSE3
2660 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2661 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2662 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2663 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2664 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2665 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2666 //| X86_CPUID_FEATURE_ECX_PCID - not implemented yet.
2667 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2668 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2669 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2670 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2671 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2672 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2673 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2674 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2675 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2676 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2677 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2678 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2679 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2680 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2681 ;
2682
2683 if (pCpum->u8PortableCpuIdLevel > 0)
2684 {
2685 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2686 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2687 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2688 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2689 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2690 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2691 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2692 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2693 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2694 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2695 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2696 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2697 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2698 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2699 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2700 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2701 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2702 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2703
2704 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2705 | X86_CPUID_FEATURE_EDX_PSN
2706 | X86_CPUID_FEATURE_EDX_DS
2707 | X86_CPUID_FEATURE_EDX_ACPI
2708 | X86_CPUID_FEATURE_EDX_SS
2709 | X86_CPUID_FEATURE_EDX_TM
2710 | X86_CPUID_FEATURE_EDX_PBE
2711 )));
2712 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2713 | X86_CPUID_FEATURE_ECX_CPLDS
2714 | X86_CPUID_FEATURE_ECX_VMX
2715 | X86_CPUID_FEATURE_ECX_SMX
2716 | X86_CPUID_FEATURE_ECX_EST
2717 | X86_CPUID_FEATURE_ECX_TM2
2718 | X86_CPUID_FEATURE_ECX_CNTXID
2719 | X86_CPUID_FEATURE_ECX_FMA
2720 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2721 | X86_CPUID_FEATURE_ECX_PDCM
2722 | X86_CPUID_FEATURE_ECX_DCA
2723 | X86_CPUID_FEATURE_ECX_OSXSAVE
2724 )));
2725 }
2726
2727 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2728 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2729
2730 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2731 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2732 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2733 */
2734#ifdef VBOX_WITH_MULTI_CORE
2735 if (pVM->cCpus > 1)
2736 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2737#endif
2738 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2739 {
2740 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2741 core times the number of CPU cores per processor */
2742#ifdef VBOX_WITH_MULTI_CORE
2743 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2744#else
2745 /* Single logical processor in a package. */
2746 pStdFeatureLeaf->uEbx |= (1 << 16);
2747#endif
2748 }
2749
2750 uint32_t uMicrocodeRev;
2751 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2752 if (RT_SUCCESS(rc))
2753 {
2754 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2755 }
2756 else
2757 {
2758 uMicrocodeRev = 0;
2759 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2760 }
2761
2762 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2763 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2764 */
2765 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2766 && uMicrocodeRev < 0x8001126
2767 && !pConfig->fForceVme)
2768 {
2769 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2770 LogRel(("CPUM: Zen VME workaround engaged\n"));
2771 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2772 }
2773
2774 /* Force standard feature bits. */
2775 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2776 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2777 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2778 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2779 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2780 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2781 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2782 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2783 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2784 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2785 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2786 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2787 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2788 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2789 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2790 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2791 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2792 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2793 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2794 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2795 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2796 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2797
2798 pStdFeatureLeaf = NULL; /* Must refetch! */
2799
2800 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2801 * AMD:
2802 * EAX: CPU model, family and stepping.
2803 *
2804 * ECX + EDX: Supported features. Only report features we can support.
2805 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2806 * options may require adjusting (i.e. stripping what was enabled).
2807 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2808 *
2809 * EBX: Branding ID and package type (or reserved).
2810 *
2811 * Intel and probably most others:
2812 * EAX: 0
2813 * EBX: 0
2814 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2815 */
2816 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2817 if (pExtFeatureLeaf)
2818 {
2819 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2820
2821 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2822 | X86_CPUID_AMD_FEATURE_EDX_VME
2823 | X86_CPUID_AMD_FEATURE_EDX_DE
2824 | X86_CPUID_AMD_FEATURE_EDX_PSE
2825 | X86_CPUID_AMD_FEATURE_EDX_TSC
2826 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2827 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2828 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2829 | X86_CPUID_AMD_FEATURE_EDX_CX8
2830 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2831 //| RT_BIT_32(10) - reserved
2832 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2833 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2834 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2835 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2836 | X86_CPUID_AMD_FEATURE_EDX_PGE
2837 | X86_CPUID_AMD_FEATURE_EDX_MCA
2838 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2839 | X86_CPUID_AMD_FEATURE_EDX_PAT
2840 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2841 //| RT_BIT_32(18) - reserved
2842 //| RT_BIT_32(19) - reserved
2843 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2844 //| RT_BIT_32(21) - reserved
2845 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2846 | X86_CPUID_AMD_FEATURE_EDX_MMX
2847 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2848 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2849 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2850 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2851 //| RT_BIT_32(28) - reserved
2852 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2853 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2854 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2855 ;
2856 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2857 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2858 | (pConfig->enmSvm ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2859 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2860 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2861 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2862 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2863 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2864 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2865 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2866 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2867 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2868 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2869 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2870 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2871 //| RT_BIT_32(14) - reserved
2872 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2873 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2874 //| RT_BIT_32(17) - reserved
2875 //| RT_BIT_32(18) - reserved
2876 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2877 //| RT_BIT_32(20) - reserved
2878 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2879 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2880 //| RT_BIT_32(23) - reserved
2881 //| RT_BIT_32(24) - reserved
2882 //| RT_BIT_32(25) - reserved
2883 //| RT_BIT_32(26) - reserved
2884 //| RT_BIT_32(27) - reserved
2885 //| RT_BIT_32(28) - reserved
2886 //| RT_BIT_32(29) - reserved
2887 //| RT_BIT_32(30) - reserved
2888 //| RT_BIT_32(31) - reserved
2889 ;
2890#ifdef VBOX_WITH_MULTI_CORE
2891 if ( pVM->cCpus > 1
2892 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2893 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2894#endif
2895
2896 if (pCpum->u8PortableCpuIdLevel > 0)
2897 {
2898 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2899 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM, pConfig->enmSvm);
2900 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2901 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2902 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2903 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2904 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2905 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2906 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2907 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2908 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2909 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2910 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2911 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2912 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2913 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2914
2915 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2916 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2917 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2918 | X86_CPUID_AMD_FEATURE_ECX_IBS
2919 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2920 | X86_CPUID_AMD_FEATURE_ECX_WDT
2921 | X86_CPUID_AMD_FEATURE_ECX_LWP
2922 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2923 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2924 | UINT32_C(0xff964000)
2925 )));
2926 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2927 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2928 | RT_BIT(18)
2929 | RT_BIT(19)
2930 | RT_BIT(21)
2931 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2932 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2933 | RT_BIT(28)
2934 )));
2935 }
2936
2937 /* Force extended feature bits. */
2938 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2939 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2940 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2941 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2942 if (pConfig->enmSvm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2943 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SVM;
2944 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2945 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2946 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2947 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2948 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2949 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2950 if (pConfig->enmSvm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2951 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SVM;
2952 }
2953 pExtFeatureLeaf = NULL; /* Must refetch! */
2954
2955
2956 /* Cpuid 2:
2957 * Intel: (Nondeterministic) Cache and TLB information
2958 * AMD: Reserved
2959 * VIA: Reserved
2960 * Safe to expose.
2961 */
2962 uint32_t uSubLeaf = 0;
2963 PCPUMCPUIDLEAF pCurLeaf;
2964 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2965 {
2966 if ((pCurLeaf->uEax & 0xff) > 1)
2967 {
2968 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2969 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2970 }
2971 uSubLeaf++;
2972 }
2973
2974 /* Cpuid 3:
2975 * Intel: EAX, EBX - reserved (transmeta uses these)
2976 * ECX, EDX - Processor Serial Number if available, otherwise reserved
2977 * AMD: Reserved
2978 * VIA: Reserved
2979 * Safe to expose
2980 */
2981 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2982 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
2983 {
2984 uSubLeaf = 0;
2985 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
2986 {
2987 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2988 if (pCpum->u8PortableCpuIdLevel > 0)
2989 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
2990 uSubLeaf++;
2991 }
2992 }
2993
2994 /* Cpuid 4 + ECX:
2995 * Intel: Deterministic Cache Parameters Leaf.
2996 * AMD: Reserved
2997 * VIA: Reserved
2998 * Safe to expose, except for EAX:
2999 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3000 * Bits 31-26: Maximum number of processor cores in this physical package**
3001 * Note: These SMP values are constant regardless of ECX
3002 */
3003 uSubLeaf = 0;
3004 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3005 {
3006 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3007#ifdef VBOX_WITH_MULTI_CORE
3008 if ( pVM->cCpus > 1
3009 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3010 {
3011 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3012 /* One logical processor with possibly multiple cores. */
3013 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3014 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3015 }
3016#endif
3017 uSubLeaf++;
3018 }
3019
3020 /* Cpuid 5: Monitor/mwait Leaf
3021 * Intel: ECX, EDX - reserved
3022 * EAX, EBX - Smallest and largest monitor line size
3023 * AMD: EDX - reserved
3024 * EAX, EBX - Smallest and largest monitor line size
3025 * ECX - extensions (ignored for now)
3026 * VIA: Reserved
3027 * Safe to expose
3028 */
3029 uSubLeaf = 0;
3030 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3031 {
3032 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3033 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3034 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3035
3036 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3037 if (pConfig->enmMWaitExtensions)
3038 {
3039 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3040 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3041 it shall be part of our power management virtualization model */
3042#if 0
3043 /* MWAIT sub C-states */
3044 pCurLeaf->uEdx =
3045 (0 << 0) /* 0 in C0 */ |
3046 (2 << 4) /* 2 in C1 */ |
3047 (2 << 8) /* 2 in C2 */ |
3048 (2 << 12) /* 2 in C3 */ |
3049 (0 << 16) /* 0 in C4 */
3050 ;
3051#endif
3052 }
3053 else
3054 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3055 uSubLeaf++;
3056 }
3057
3058 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3059 * Intel: Various stuff.
3060 * AMD: EAX, EBX, EDX - reserved.
3061 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3062 * present. Same as intel.
3063 * VIA: ??
3064 *
3065 * We clear everything here for now.
3066 */
3067 cpumR3CpuIdZeroLeaf(pCpum, 6);
3068
3069 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3070 * EAX: Number of sub leaves.
3071 * EBX+ECX+EDX: Feature flags
3072 *
3073 * We only have documentation for one sub-leaf, so clear all other (no need
3074 * to remove them as such, just set them to zero).
3075 *
3076 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3077 * options may require adjusting (i.e. stripping what was enabled).
3078 */
3079 uSubLeaf = 0;
3080 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3081 {
3082 switch (uSubLeaf)
3083 {
3084 case 0:
3085 {
3086 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3087 pCurLeaf->uEbx &= 0
3088 //| X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE RT_BIT(0)
3089 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3090 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3091 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3092 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3093 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3094 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3095 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3096 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3097 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3098 //| X86_CPUID_STEXT_FEATURE_EBX_INVPCID RT_BIT(10)
3099 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3100 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3101 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3102 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3103 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3104 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3105 //| RT_BIT(17) - reserved
3106 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3107 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3108 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3109 //| RT_BIT(21) - reserved
3110 //| RT_BIT(22) - reserved
3111 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3112 //| RT_BIT(24) - reserved
3113 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3114 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3115 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3116 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3117 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3118 //| RT_BIT(30) - reserved
3119 //| RT_BIT(31) - reserved
3120 ;
3121 pCurLeaf->uEcx &= 0
3122 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3123 ;
3124 pCurLeaf->uEdx &= 0;
3125
3126 if (pCpum->u8PortableCpuIdLevel > 0)
3127 {
3128 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
3129 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3130 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3131 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3132 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3133 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
3134 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3135 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3136 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3137 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3138 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3139 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3140 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3141 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3142 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3143 }
3144
3145 /* Force standard feature bits. */
3146 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3147 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3148 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3149 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3150 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3151 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3152 break;
3153 }
3154
3155 default:
3156 /* Invalid index, all values are zero. */
3157 pCurLeaf->uEax = 0;
3158 pCurLeaf->uEbx = 0;
3159 pCurLeaf->uEcx = 0;
3160 pCurLeaf->uEdx = 0;
3161 break;
3162 }
3163 uSubLeaf++;
3164 }
3165
3166 /* Cpuid 8: Marked as reserved by Intel and AMD.
3167 * We zero this since we don't know what it may have been used for.
3168 */
3169 cpumR3CpuIdZeroLeaf(pCpum, 8);
3170
3171 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3172 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3173 * EBX, ECX, EDX - reserved.
3174 * AMD: Reserved
3175 * VIA: ??
3176 *
3177 * We zero this.
3178 */
3179 cpumR3CpuIdZeroLeaf(pCpum, 9);
3180
3181 /* Cpuid 0xa: Architectural Performance Monitor Features
3182 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3183 * EBX, ECX, EDX - reserved.
3184 * AMD: Reserved
3185 * VIA: ??
3186 *
3187 * We zero this, for now at least.
3188 */
3189 cpumR3CpuIdZeroLeaf(pCpum, 10);
3190
3191 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3192 * Intel: EAX - APCI ID shift right for next level.
3193 * EBX - Factory configured cores/threads at this level.
3194 * ECX - Level number (same as input) and level type (1,2,0).
3195 * EDX - Extended initial APIC ID.
3196 * AMD: Reserved
3197 * VIA: ??
3198 */
3199 uSubLeaf = 0;
3200 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3201 {
3202 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3203 {
3204 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3205 if (bLevelType == 1)
3206 {
3207 /* Thread level - we don't do threads at the moment. */
3208 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3209 pCurLeaf->uEbx = 1;
3210 }
3211 else if (bLevelType == 2)
3212 {
3213 /* Core level. */
3214 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... */
3215#ifdef VBOX_WITH_MULTI_CORE
3216 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3217 pCurLeaf->uEax++;
3218#endif
3219 pCurLeaf->uEbx = pVM->cCpus;
3220 }
3221 else
3222 {
3223 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3224 pCurLeaf->uEax = 0;
3225 pCurLeaf->uEbx = 0;
3226 pCurLeaf->uEcx = 0;
3227 }
3228 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3229 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3230 }
3231 else
3232 {
3233 pCurLeaf->uEax = 0;
3234 pCurLeaf->uEbx = 0;
3235 pCurLeaf->uEcx = 0;
3236 pCurLeaf->uEdx = 0;
3237 }
3238 uSubLeaf++;
3239 }
3240
3241 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3242 * We zero this since we don't know what it may have been used for.
3243 */
3244 cpumR3CpuIdZeroLeaf(pCpum, 12);
3245
3246 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3247 * ECX=0: EAX - Valid bits in XCR0[31:0].
3248 * EBX - Maximum state size as per current XCR0 value.
3249 * ECX - Maximum state size for all supported features.
3250 * EDX - Valid bits in XCR0[63:32].
3251 * ECX=1: EAX - Various X-features.
3252 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3253 * ECX - Valid bits in IA32_XSS[31:0].
3254 * EDX - Valid bits in IA32_XSS[63:32].
3255 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3256 * if the bit invalid all four registers are set to zero.
3257 * EAX - The state size for this feature.
3258 * EBX - The state byte offset of this feature.
3259 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3260 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3261 *
3262 * Clear them all as we don't currently implement extended CPU state.
3263 */
3264 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3265 uint64_t fGuestXcr0Mask = 0;
3266 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3267 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3268 {
3269 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3270 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3271 fGuestXcr0Mask |= XSAVE_C_YMM;
3272 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3273 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3274 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3275 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3276
3277 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3278 }
3279 pStdFeatureLeaf = NULL;
3280 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3281
3282 /* Work the sub-leaves. */
3283 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3284 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3285 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3286 {
3287 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3288 if (pCurLeaf)
3289 {
3290 if (fGuestXcr0Mask)
3291 {
3292 switch (uSubLeaf)
3293 {
3294 case 0:
3295 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3296 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3297 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3298 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3299 VERR_CPUM_IPE_1);
3300 cbXSaveMaxActual = pCurLeaf->uEcx;
3301 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3302 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3303 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3304 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3305 VERR_CPUM_IPE_2);
3306 continue;
3307 case 1:
3308 pCurLeaf->uEax &= 0;
3309 pCurLeaf->uEcx &= 0;
3310 pCurLeaf->uEdx &= 0;
3311 /** @todo what about checking ebx? */
3312 continue;
3313 default:
3314 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3315 {
3316 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3317 && pCurLeaf->uEax > 0
3318 && pCurLeaf->uEbx < cbXSaveMaxActual
3319 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3320 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3321 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3322 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3323 VERR_CPUM_IPE_2);
3324 AssertLogRel(!(pCurLeaf->uEcx & 1));
3325 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3326 pCurLeaf->uEdx = 0; /* it's reserved... */
3327 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3328 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3329 continue;
3330 }
3331 break;
3332 }
3333 }
3334
3335 /* Clear the leaf. */
3336 pCurLeaf->uEax = 0;
3337 pCurLeaf->uEbx = 0;
3338 pCurLeaf->uEcx = 0;
3339 pCurLeaf->uEdx = 0;
3340 }
3341 }
3342
3343 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3344 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3345 {
3346 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3347 if (pCurLeaf)
3348 {
3349 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3350 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3351 pCurLeaf->uEbx = cbXSaveMaxReport;
3352 pCurLeaf->uEcx = cbXSaveMaxReport;
3353 }
3354 }
3355
3356 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3357 * We zero this since we don't know what it may have been used for.
3358 */
3359 cpumR3CpuIdZeroLeaf(pCpum, 14);
3360
3361 /* Cpuid 0xf + ECX: Platform qualifity of service monitoring (PQM).
3362 * We zero this as we don't currently virtualize PQM.
3363 */
3364 cpumR3CpuIdZeroLeaf(pCpum, 15);
3365
3366 /* Cpuid 0x10 + ECX: Platform qualifity of service enforcement (PQE).
3367 * We zero this as we don't currently virtualize PQE.
3368 */
3369 cpumR3CpuIdZeroLeaf(pCpum, 16);
3370
3371 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3372 * We zero this since we don't know what it may have been used for.
3373 */
3374 cpumR3CpuIdZeroLeaf(pCpum, 17);
3375
3376 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3377 * We zero this as we don't currently virtualize this.
3378 */
3379 cpumR3CpuIdZeroLeaf(pCpum, 18);
3380
3381 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3382 * We zero this since we don't know what it may have been used for.
3383 */
3384 cpumR3CpuIdZeroLeaf(pCpum, 19);
3385
3386 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3387 * We zero this as we don't currently virtualize this.
3388 */
3389 cpumR3CpuIdZeroLeaf(pCpum, 20);
3390
3391 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3392 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3393 * EAX - denominator (unsigned).
3394 * EBX - numerator (unsigned).
3395 * ECX, EDX - reserved.
3396 * AMD: Reserved / undefined / not implemented.
3397 * VIA: Reserved / undefined / not implemented.
3398 * We zero this as we don't currently virtualize this.
3399 */
3400 cpumR3CpuIdZeroLeaf(pCpum, 21);
3401
3402 /* Cpuid 0x16: Processor frequency info
3403 * Intel: EAX - Core base frequency in MHz.
3404 * EBX - Core maximum frequency in MHz.
3405 * ECX - Bus (reference) frequency in MHz.
3406 * EDX - Reserved.
3407 * AMD: Reserved / undefined / not implemented.
3408 * VIA: Reserved / undefined / not implemented.
3409 * We zero this as we don't currently virtualize this.
3410 */
3411 cpumR3CpuIdZeroLeaf(pCpum, 22);
3412
3413 /* Cpuid 0x17..0x10000000: Unknown.
3414 * We don't know these and what they mean, so remove them. */
3415 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3416 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3417
3418
3419 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3420 * We remove all these as we're a hypervisor and must provide our own.
3421 */
3422 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3423 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3424
3425
3426 /* Cpuid 0x80000000 is harmless. */
3427
3428 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3429
3430 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3431
3432 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3433 * Safe to pass on to the guest.
3434 *
3435 * AMD: 0x800000005 L1 cache information
3436 * 0x800000006 L2/L3 cache information
3437 * Intel: 0x800000005 reserved
3438 * 0x800000006 L2 cache information
3439 * VIA: 0x800000005 TLB and L1 cache information
3440 * 0x800000006 L2 cache information
3441 */
3442
3443 /* Cpuid 0x800000007: Advanced Power Management Information.
3444 * AMD: EAX: Processor feedback capabilities.
3445 * EBX: RAS capabilites.
3446 * ECX: Advanced power monitoring interface.
3447 * EDX: Enhanced power management capabilities.
3448 * Intel: EAX, EBX, ECX - reserved.
3449 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3450 * VIA: Reserved
3451 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3452 */
3453 uSubLeaf = 0;
3454 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3455 {
3456 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3457 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3458 {
3459 pCurLeaf->uEdx &= 0
3460 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3461 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3462 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3463 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3464 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3465 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3466 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3467 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3468#if 0 /*
3469 * We don't expose X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR, because newer
3470 * Linux kernels blindly assume that the AMD performance counters work
3471 * if this is set for 64 bits guests. (Can't really find a CPUID feature
3472 * bit for them though.)
3473 */
3474 /** @todo need to recheck this with new MSR emulation. */
3475 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3476#endif
3477 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3478 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3479 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3480 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3481 | 0;
3482 }
3483 else
3484 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3485 if (pConfig->fInvariantTsc)
3486 pCurLeaf->uEdx |= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3487 uSubLeaf++;
3488 }
3489
3490 /* Cpuid 0x80000008:
3491 * AMD: EBX, EDX - reserved
3492 * EAX: Virtual/Physical/Guest address Size
3493 * ECX: Number of cores + APICIdCoreIdSize
3494 * Intel: EAX: Virtual/Physical address Size
3495 * EBX, ECX, EDX - reserved
3496 * VIA: EAX: Virtual/Physical address Size
3497 * EBX, ECX, EDX - reserved
3498 *
3499 * We only expose the virtual+pysical address size to the guest atm.
3500 * On AMD we set the core count, but not the apic id stuff as we're
3501 * currently not doing the apic id assignments in a complatible manner.
3502 */
3503 uSubLeaf = 0;
3504 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3505 {
3506 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3507 pCurLeaf->uEbx = 0; /* reserved */
3508 pCurLeaf->uEdx = 0; /* reserved */
3509
3510 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3511 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3512 pCurLeaf->uEcx = 0;
3513#ifdef VBOX_WITH_MULTI_CORE
3514 if ( pVM->cCpus > 1
3515 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3516 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3517#endif
3518 uSubLeaf++;
3519 }
3520
3521 /* Cpuid 0x80000009: Reserved
3522 * We zero this since we don't know what it may have been used for.
3523 */
3524 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3525
3526 /* Cpuid 0x8000000a: SVM Information
3527 * AMD: EAX - SVM revision.
3528 * EBX - Number of ASIDs.
3529 * ECX - Reserved.
3530 * EDX - SVM Feature identification.
3531 */
3532 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3533 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3534 {
3535 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3536 pSvmFeatureLeaf->uEax = 0x1;
3537 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3538 pSvmFeatureLeaf->uEcx = 0;
3539 pSvmFeatureLeaf->uEdx = 0; /** @todo Support SVM features */
3540 }
3541 else
3542 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3543
3544 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3545 * We clear these as we don't know what purpose they might have. */
3546 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3547 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3548
3549 /* Cpuid 0x80000019: TLB configuration
3550 * Seems to be harmless, pass them thru as is. */
3551
3552 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3553 * Strip anything we don't know what is or addresses feature we don't implement. */
3554 uSubLeaf = 0;
3555 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3556 {
3557 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3558 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3559 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3560 ;
3561 pCurLeaf->uEbx = 0; /* reserved */
3562 pCurLeaf->uEcx = 0; /* reserved */
3563 pCurLeaf->uEdx = 0; /* reserved */
3564 uSubLeaf++;
3565 }
3566
3567 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3568 * Clear this as we don't currently virtualize this feature. */
3569 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3570
3571 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3572 * Clear this as we don't currently virtualize this feature. */
3573 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3574
3575 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3576 * We need to sanitize the cores per cache (EAX[25:14]).
3577 *
3578 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3579 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3580 * slightly different meaning.
3581 */
3582 uSubLeaf = 0;
3583 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3584 {
3585#ifdef VBOX_WITH_MULTI_CORE
3586 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3587 if (cCores > pVM->cCpus)
3588 cCores = pVM->cCpus;
3589 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3590 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3591#else
3592 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3593#endif
3594 uSubLeaf++;
3595 }
3596
3597 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3598 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3599 * setup, we have one compute unit with all the cores in it. Single node.
3600 */
3601 uSubLeaf = 0;
3602 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3603 {
3604 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3605 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3606 {
3607#ifdef VBOX_WITH_MULTI_CORE
3608 pCurLeaf->uEbx = pVM->cCpus < 0x100
3609 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3610#else
3611 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3612#endif
3613 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3614 }
3615 else
3616 {
3617 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3618 pCurLeaf->uEbx = 0; /* Reserved. */
3619 pCurLeaf->uEcx = 0; /* Reserved. */
3620 }
3621 pCurLeaf->uEdx = 0; /* Reserved. */
3622 uSubLeaf++;
3623 }
3624
3625 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3626 * We don't know these and what they mean, so remove them. */
3627 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3628 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3629
3630 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3631 * Just pass it thru for now. */
3632
3633 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3634 * Just pass it thru for now. */
3635
3636 /* Cpuid 0xc0000000: Centaur stuff.
3637 * Harmless, pass it thru. */
3638
3639 /* Cpuid 0xc0000001: Centaur features.
3640 * VIA: EAX - Family, model, stepping.
3641 * EDX - Centaur extended feature flags. Nothing interesting, except may
3642 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3643 * EBX, ECX - reserved.
3644 * We keep EAX but strips the rest.
3645 */
3646 uSubLeaf = 0;
3647 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3648 {
3649 pCurLeaf->uEbx = 0;
3650 pCurLeaf->uEcx = 0;
3651 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3652 uSubLeaf++;
3653 }
3654
3655 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3656 * We only have fixed stale values, but should be harmless. */
3657
3658 /* Cpuid 0xc0000003: Reserved.
3659 * We zero this since we don't know what it may have been used for.
3660 */
3661 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3662
3663 /* Cpuid 0xc0000004: Centaur Performance Info.
3664 * We only have fixed stale values, but should be harmless. */
3665
3666
3667 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3668 * We don't know these and what they mean, so remove them. */
3669 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3670 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3671
3672 return VINF_SUCCESS;
3673#undef PORTABLE_DISABLE_FEATURE_BIT
3674#undef PORTABLE_CLEAR_BITS_WHEN
3675}
3676
3677
3678/**
3679 * Reads a value in /CPUM/IsaExts/ node.
3680 *
3681 * @returns VBox status code (error message raised).
3682 * @param pVM The cross context VM structure. (For errors.)
3683 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3684 * @param pszValueName The value / extension name.
3685 * @param penmValue Where to return the choice.
3686 * @param enmDefault The default choice.
3687 */
3688static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3689 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3690{
3691 /*
3692 * Try integer encoding first.
3693 */
3694 uint64_t uValue;
3695 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3696 if (RT_SUCCESS(rc))
3697 switch (uValue)
3698 {
3699 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3700 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3701 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3702 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3703 default:
3704 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3705 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3706 pszValueName, uValue);
3707 }
3708 /*
3709 * If missing, use default.
3710 */
3711 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3712 *penmValue = enmDefault;
3713 else
3714 {
3715 if (rc == VERR_CFGM_NOT_INTEGER)
3716 {
3717 /*
3718 * Not an integer, try read it as a string.
3719 */
3720 char szValue[32];
3721 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3722 if (RT_SUCCESS(rc))
3723 {
3724 RTStrToLower(szValue);
3725 size_t cchValue = strlen(szValue);
3726#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3727 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3728 *penmValue = CPUMISAEXTCFG_DISABLED;
3729 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3730 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3731 else if (EQ("forced") || EQ("force") || EQ("always"))
3732 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3733 else if (EQ("portable"))
3734 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3735 else if (EQ("default") || EQ("def"))
3736 *penmValue = enmDefault;
3737 else
3738 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3739 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3740 pszValueName, uValue);
3741#undef EQ
3742 }
3743 }
3744 if (RT_FAILURE(rc))
3745 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3746 }
3747 return VINF_SUCCESS;
3748}
3749
3750
3751/**
3752 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3753 *
3754 * @returns VBox status code (error message raised).
3755 * @param pVM The cross context VM structure. (For errors.)
3756 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3757 * @param pszValueName The value / extension name.
3758 * @param penmValue Where to return the choice.
3759 * @param enmDefault The default choice.
3760 * @param fAllowed Allowed choice. Applied both to the result and to
3761 * the default value.
3762 */
3763static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3764 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3765{
3766 int rc;
3767 if (fAllowed)
3768 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3769 else
3770 {
3771 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3772 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3773 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3774 *penmValue = CPUMISAEXTCFG_DISABLED;
3775 }
3776 return rc;
3777}
3778
3779
3780/**
3781 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3782 *
3783 * @returns VBox status code (error message raised).
3784 * @param pVM The cross context VM structure. (For errors.)
3785 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3786 * @param pCpumCfg The /CPUM node (can be NULL).
3787 * @param pszValueName The value / extension name.
3788 * @param penmValue Where to return the choice.
3789 * @param enmDefault The default choice.
3790 */
3791static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3792 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3793{
3794 if (CFGMR3Exists(pCpumCfg, pszValueName))
3795 {
3796 if (!CFGMR3Exists(pIsaExts, pszValueName))
3797 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3798 else
3799 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3800 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3801 pszValueName, pszValueName);
3802
3803 bool fLegacy;
3804 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3805 if (RT_SUCCESS(rc))
3806 {
3807 *penmValue = fLegacy;
3808 return VINF_SUCCESS;
3809 }
3810 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3811 }
3812
3813 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3814}
3815
3816
3817static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3818{
3819 int rc;
3820
3821 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3822 * When non-zero CPUID features that could cause portability issues will be
3823 * stripped. The higher the value the more features gets stripped. Higher
3824 * values should only be used when older CPUs are involved since it may
3825 * harm performance and maybe also cause problems with specific guests. */
3826 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3827 AssertLogRelRCReturn(rc, rc);
3828
3829 /** @cfgm{/CPUM/GuestCpuName, string}
3830 * The name of the CPU we're to emulate. The default is the host CPU.
3831 * Note! CPUs other than "host" one is currently unsupported. */
3832 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3833 AssertLogRelRCReturn(rc, rc);
3834
3835 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3836 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3837 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3838 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3839 */
3840 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3841 AssertLogRelRCReturn(rc, rc);
3842
3843 /** @cfgm{/CPUM/InvariantTsc, boolean, complicated}
3844 * Set the invariant TSC flag in 0x80000007 if true, otherwas take default
3845 * action. By default the flag is passed thru as is from the host CPU, except
3846 * on AMD CPUs where it's suppressed to avoid trouble from linux assuming we
3847 * virtualize performance counters.
3848 */
3849 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, false);
3850 AssertLogRelRCReturn(rc, rc);
3851
3852 /** @cfgm{/CPUM/ForceVme, boolean, false}
3853 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3854 * By default the flag is passed thru as is from the host CPU, except
3855 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3856 * guests and DOS boxes in general.
3857 */
3858 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3859 AssertLogRelRCReturn(rc, rc);
3860
3861 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3862 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3863 * probably going to be a temporary hack, so don't depend on this.
3864 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3865 * number and the 3rd byte value is the family, and the 4th value must be zero.
3866 */
3867 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3868 AssertLogRelRCReturn(rc, rc);
3869
3870 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3871 * The last standard leaf to keep. The actual last value that is stored in EAX
3872 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3873 * removed. (This works independently of and differently from NT4LeafLimit.)
3874 * The default is usually set to what we're able to reasonably sanitize.
3875 */
3876 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3877 AssertLogRelRCReturn(rc, rc);
3878
3879 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3880 * The last extended leaf to keep. The actual last value that is stored in EAX
3881 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3882 * leaf are removed. The default is set to what we're able to sanitize.
3883 */
3884 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3885 AssertLogRelRCReturn(rc, rc);
3886
3887 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3888 * The last extended leaf to keep. The actual last value that is stored in EAX
3889 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3890 * leaf are removed. The default is set to what we're able to sanitize.
3891 */
3892 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3893 AssertLogRelRCReturn(rc, rc);
3894
3895
3896 /*
3897 * Instruction Set Architecture (ISA) Extensions.
3898 */
3899 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3900 if (pIsaExts)
3901 {
3902 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3903 "CMPXCHG16B"
3904 "|MONITOR"
3905 "|MWaitExtensions"
3906 "|SSE4.1"
3907 "|SSE4.2"
3908 "|XSAVE"
3909 "|AVX"
3910 "|AVX2"
3911 "|AESNI"
3912 "|PCLMUL"
3913 "|POPCNT"
3914 "|MOVBE"
3915 "|RDRAND"
3916 "|RDSEED"
3917 "|CLFLUSHOPT"
3918 "|ABM"
3919 "|SSE4A"
3920 "|MISALNSSE"
3921 "|3DNOWPRF"
3922 "|AXMMX"
3923 "|SVM"
3924 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3925 if (RT_FAILURE(rc))
3926 return rc;
3927 }
3928
3929 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3930 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3931 * being the default is to only do this for VMs with nested paging and AMD-V or
3932 * unrestricted guest mode.
3933 */
3934 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
3935 AssertLogRelRCReturn(rc, rc);
3936
3937 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
3938 * Expose MONITOR/MWAIT instructions to the guest.
3939 */
3940 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
3941 AssertLogRelRCReturn(rc, rc);
3942
3943 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
3944 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
3945 * break on interrupt feature (bit 1).
3946 */
3947 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
3948 AssertLogRelRCReturn(rc, rc);
3949
3950 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
3951 * Expose SSE4.1 to the guest if available.
3952 */
3953 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
3954 AssertLogRelRCReturn(rc, rc);
3955
3956 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
3957 * Expose SSE4.2 to the guest if available.
3958 */
3959 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
3960 AssertLogRelRCReturn(rc, rc);
3961
3962 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
3963 && pVM->cpum.s.HostFeatures.fXSaveRstor
3964 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
3965#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
3966 && !HMIsLongModeAllowed(pVM)
3967#endif
3968 ;
3969 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
3970
3971 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
3972 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
3973 * default is to only expose this to VMs with nested paging and AMD-V or
3974 * unrestricted guest execution mode. Not possible to force this one without
3975 * host support at the moment.
3976 */
3977 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
3978 fMayHaveXSave /*fAllowed*/);
3979 AssertLogRelRCReturn(rc, rc);
3980
3981 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
3982 * Expose the AVX instruction set extensions to the guest if available and
3983 * XSAVE is exposed too. For the time being the default is to only expose this
3984 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3985 */
3986 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
3987 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
3988 AssertLogRelRCReturn(rc, rc);
3989
3990 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
3991 * Expose the AVX2 instruction set extensions to the guest if available and
3992 * XSAVE is exposed too. For the time being the default is to only expose this
3993 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3994 */
3995 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
3996 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
3997 AssertLogRelRCReturn(rc, rc);
3998
3999 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4000 * Whether to expose the AES instructions to the guest. For the time being the
4001 * default is to only do this for VMs with nested paging and AMD-V or
4002 * unrestricted guest mode.
4003 */
4004 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4005 AssertLogRelRCReturn(rc, rc);
4006
4007 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4008 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4009 * being the default is to only do this for VMs with nested paging and AMD-V or
4010 * unrestricted guest mode.
4011 */
4012 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4013 AssertLogRelRCReturn(rc, rc);
4014
4015 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4016 * Whether to expose the POPCNT instructions to the guest. For the time
4017 * being the default is to only do this for VMs with nested paging and AMD-V or
4018 * unrestricted guest mode.
4019 */
4020 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4021 AssertLogRelRCReturn(rc, rc);
4022
4023 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4024 * Whether to expose the MOVBE instructions to the guest. For the time
4025 * being the default is to only do this for VMs with nested paging and AMD-V or
4026 * unrestricted guest mode.
4027 */
4028 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4029 AssertLogRelRCReturn(rc, rc);
4030
4031 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4032 * Whether to expose the RDRAND instructions to the guest. For the time being
4033 * the default is to only do this for VMs with nested paging and AMD-V or
4034 * unrestricted guest mode.
4035 */
4036 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4037 AssertLogRelRCReturn(rc, rc);
4038
4039 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4040 * Whether to expose the RDSEED instructions to the guest. For the time being
4041 * the default is to only do this for VMs with nested paging and AMD-V or
4042 * unrestricted guest mode.
4043 */
4044 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4045 AssertLogRelRCReturn(rc, rc);
4046
4047 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4048 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4049 * being the default is to only do this for VMs with nested paging and AMD-V or
4050 * unrestricted guest mode.
4051 */
4052 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4053 AssertLogRelRCReturn(rc, rc);
4054
4055
4056 /* AMD: */
4057
4058 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4059 * Whether to expose the AMD ABM instructions to the guest. For the time
4060 * being the default is to only do this for VMs with nested paging and AMD-V or
4061 * unrestricted guest mode.
4062 */
4063 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4064 AssertLogRelRCReturn(rc, rc);
4065
4066 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4067 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4068 * being the default is to only do this for VMs with nested paging and AMD-V or
4069 * unrestricted guest mode.
4070 */
4071 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4072 AssertLogRelRCReturn(rc, rc);
4073
4074 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4075 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4076 * the time being the default is to only do this for VMs with nested paging and
4077 * AMD-V or unrestricted guest mode.
4078 */
4079 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4080 AssertLogRelRCReturn(rc, rc);
4081
4082 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4083 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4084 * For the time being the default is to only do this for VMs with nested paging
4085 * and AMD-V or unrestricted guest mode.
4086 */
4087 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4088 AssertLogRelRCReturn(rc, rc);
4089
4090 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4091 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4092 * the default is to only do this for VMs with nested paging and AMD-V or
4093 * unrestricted guest mode.
4094 */
4095 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4096 AssertLogRelRCReturn(rc, rc);
4097
4098#ifdef VBOX_WITH_NESTED_HWVIRT
4099 /** @cfgm{/CPUM/IsaExts/SVM, isaextcfg, depends}
4100 * Whether to expose the AMD's hardware virtualization (SVM) instructions to the
4101 * guest. For the time being, the default is to only do this for VMs with nested
4102 * paging and AMD-V.
4103 */
4104 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SVM", &pConfig->enmSvm, fNestedPagingAndFullGuestExec);
4105 AssertLogRelRCReturn(rc, rc);
4106#endif
4107
4108 return VINF_SUCCESS;
4109}
4110
4111
4112/**
4113 * Initializes the emulated CPU's CPUID & MSR information.
4114 *
4115 * @returns VBox status code.
4116 * @param pVM The cross context VM structure.
4117 */
4118int cpumR3InitCpuIdAndMsrs(PVM pVM)
4119{
4120 PCPUM pCpum = &pVM->cpum.s;
4121 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4122
4123 /*
4124 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4125 * on construction and manage everything from here on.
4126 */
4127 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4128 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4129
4130 /*
4131 * Read the configuration.
4132 */
4133 CPUMCPUIDCONFIG Config;
4134 RT_ZERO(Config);
4135
4136 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4137 AssertRCReturn(rc, rc);
4138
4139 /*
4140 * Get the guest CPU data from the database and/or the host.
4141 *
4142 * The CPUID and MSRs are currently living on the regular heap to avoid
4143 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4144 * API for the hyper heap). This means special cleanup considerations.
4145 */
4146 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4147 if (RT_FAILURE(rc))
4148 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4149 ? VMSetError(pVM, rc, RT_SRC_POS,
4150 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4151 : rc;
4152
4153 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4154 {
4155 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4156 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4157 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4158 }
4159 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4160
4161 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4162 * Overrides the guest MSRs.
4163 */
4164 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4165
4166 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4167 * Overrides the CPUID leaf values (from the host CPU usually) used for
4168 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4169 * values when moving a VM to a different machine. Another use is restricting
4170 * (or extending) the feature set exposed to the guest. */
4171 if (RT_SUCCESS(rc))
4172 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4173
4174 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4175 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4176 "Found unsupported configuration node '/CPUM/CPUID/'. "
4177 "Please use IMachine::setCPUIDLeaf() instead.");
4178
4179 /*
4180 * Pre-explode the CPUID info.
4181 */
4182 if (RT_SUCCESS(rc))
4183 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4184
4185 /*
4186 * Sanitize the cpuid information passed on to the guest.
4187 */
4188 if (RT_SUCCESS(rc))
4189 {
4190 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4191 if (RT_SUCCESS(rc))
4192 {
4193 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4194 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4195 }
4196 }
4197
4198 /*
4199 * MSR fudging.
4200 */
4201 if (RT_SUCCESS(rc))
4202 {
4203 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4204 * Fudges some common MSRs if not present in the selected CPU database entry.
4205 * This is for trying to keep VMs running when moved between different hosts
4206 * and different CPU vendors. */
4207 bool fEnable;
4208 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4209 if (RT_SUCCESS(rc) && fEnable)
4210 {
4211 rc = cpumR3MsrApplyFudge(pVM);
4212 AssertLogRelRC(rc);
4213 }
4214 }
4215 if (RT_SUCCESS(rc))
4216 {
4217 /*
4218 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4219 * guest CPU features again.
4220 */
4221 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4222 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4223 pCpum->GuestInfo.cCpuIdLeaves);
4224 RTMemFree(pvFree);
4225
4226 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4227 int rc2 = MMHyperDupMem(pVM, pvFree,
4228 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4229 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4230 RTMemFree(pvFree);
4231 AssertLogRelRCReturn(rc1, rc1);
4232 AssertLogRelRCReturn(rc2, rc2);
4233
4234 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4235 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4236
4237
4238 /*
4239 * Some more configuration that we're applying at the end of everything
4240 * via the CPUMSetGuestCpuIdFeature API.
4241 */
4242
4243 /* Check if PAE was explicitely enabled by the user. */
4244 bool fEnable;
4245 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4246 AssertRCReturn(rc, rc);
4247 if (fEnable)
4248 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4249
4250 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4251 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4252 AssertRCReturn(rc, rc);
4253 if (fEnable)
4254 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4255
4256 return VINF_SUCCESS;
4257 }
4258
4259 /*
4260 * Failed before switching to hyper heap.
4261 */
4262 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4263 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4264 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4265 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4266 return rc;
4267}
4268
4269
4270/**
4271 * Sets a CPUID feature bit during VM initialization.
4272 *
4273 * Since the CPUID feature bits are generally related to CPU features, other
4274 * CPUM configuration like MSRs can also be modified by calls to this API.
4275 *
4276 * @param pVM The cross context VM structure.
4277 * @param enmFeature The feature to set.
4278 */
4279VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4280{
4281 PCPUMCPUIDLEAF pLeaf;
4282 PCPUMMSRRANGE pMsrRange;
4283
4284 switch (enmFeature)
4285 {
4286 /*
4287 * Set the APIC bit in both feature masks.
4288 */
4289 case CPUMCPUIDFEATURE_APIC:
4290 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4291 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4292 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4293
4294 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4295 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4296 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4297
4298 pVM->cpum.s.GuestFeatures.fApic = 1;
4299
4300 /* Make sure we've got the APICBASE MSR present. */
4301 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4302 if (!pMsrRange)
4303 {
4304 static CPUMMSRRANGE const s_ApicBase =
4305 {
4306 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4307 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4308 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4309 /*.szName = */ "IA32_APIC_BASE"
4310 };
4311 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4312 AssertLogRelRC(rc);
4313 }
4314
4315 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4316 break;
4317
4318 /*
4319 * Set the x2APIC bit in the standard feature mask.
4320 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4321 */
4322 case CPUMCPUIDFEATURE_X2APIC:
4323 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4324 if (pLeaf)
4325 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4326 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4327
4328 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4329 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4330 if (pMsrRange)
4331 {
4332 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4333 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4334 }
4335
4336 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4337 break;
4338
4339 /*
4340 * Set the sysenter/sysexit bit in the standard feature mask.
4341 * Assumes the caller knows what it's doing! (host must support these)
4342 */
4343 case CPUMCPUIDFEATURE_SEP:
4344 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4345 {
4346 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4347 return;
4348 }
4349
4350 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4351 if (pLeaf)
4352 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4353 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4354 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4355 break;
4356
4357 /*
4358 * Set the syscall/sysret bit in the extended feature mask.
4359 * Assumes the caller knows what it's doing! (host must support these)
4360 */
4361 case CPUMCPUIDFEATURE_SYSCALL:
4362 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4363 if ( !pLeaf
4364 || !pVM->cpum.s.HostFeatures.fSysCall)
4365 {
4366#if HC_ARCH_BITS == 32
4367 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4368 mode by Intel, even when the cpu is capable of doing so in
4369 64-bit mode. Long mode requires syscall support. */
4370 if (!pVM->cpum.s.HostFeatures.fLongMode)
4371#endif
4372 {
4373 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4374 return;
4375 }
4376 }
4377
4378 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4379 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4380 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4381 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4382 break;
4383
4384 /*
4385 * Set the PAE bit in both feature masks.
4386 * Assumes the caller knows what it's doing! (host must support these)
4387 */
4388 case CPUMCPUIDFEATURE_PAE:
4389 if (!pVM->cpum.s.HostFeatures.fPae)
4390 {
4391 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4392 return;
4393 }
4394
4395 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4396 if (pLeaf)
4397 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4398
4399 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4400 if ( pLeaf
4401 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4402 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4403
4404 pVM->cpum.s.GuestFeatures.fPae = 1;
4405 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4406 break;
4407
4408 /*
4409 * Set the LONG MODE bit in the extended feature mask.
4410 * Assumes the caller knows what it's doing! (host must support these)
4411 */
4412 case CPUMCPUIDFEATURE_LONG_MODE:
4413 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4414 if ( !pLeaf
4415 || !pVM->cpum.s.HostFeatures.fLongMode)
4416 {
4417 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4418 return;
4419 }
4420
4421 /* Valid for both Intel and AMD. */
4422 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4423 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4424 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4425 break;
4426
4427 /*
4428 * Set the NX/XD bit in the extended feature mask.
4429 * Assumes the caller knows what it's doing! (host must support these)
4430 */
4431 case CPUMCPUIDFEATURE_NX:
4432 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4433 if ( !pLeaf
4434 || !pVM->cpum.s.HostFeatures.fNoExecute)
4435 {
4436 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4437 return;
4438 }
4439
4440 /* Valid for both Intel and AMD. */
4441 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4442 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4443 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4444 break;
4445
4446
4447 /*
4448 * Set the LAHF/SAHF support in 64-bit mode.
4449 * Assumes the caller knows what it's doing! (host must support this)
4450 */
4451 case CPUMCPUIDFEATURE_LAHF:
4452 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4453 if ( !pLeaf
4454 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4455 {
4456 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4457 return;
4458 }
4459
4460 /* Valid for both Intel and AMD. */
4461 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4462 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4463 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4464 break;
4465
4466 /*
4467 * Set the page attribute table bit. This is alternative page level
4468 * cache control that doesn't much matter when everything is
4469 * virtualized, though it may when passing thru device memory.
4470 */
4471 case CPUMCPUIDFEATURE_PAT:
4472 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4473 if (pLeaf)
4474 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4475
4476 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4477 if ( pLeaf
4478 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4479 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4480
4481 pVM->cpum.s.GuestFeatures.fPat = 1;
4482 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4483 break;
4484
4485 /*
4486 * Set the RDTSCP support bit.
4487 * Assumes the caller knows what it's doing! (host must support this)
4488 */
4489 case CPUMCPUIDFEATURE_RDTSCP:
4490 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4491 if ( !pLeaf
4492 || !pVM->cpum.s.HostFeatures.fRdTscP
4493 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4494 {
4495 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4496 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4497 return;
4498 }
4499
4500 /* Valid for both Intel and AMD. */
4501 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4502 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4503 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4504 break;
4505
4506 /*
4507 * Set the Hypervisor Present bit in the standard feature mask.
4508 */
4509 case CPUMCPUIDFEATURE_HVP:
4510 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4511 if (pLeaf)
4512 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4513 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4514 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4515 break;
4516
4517 /*
4518 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4519 * This currently includes the Present bit and MWAITBREAK bit as well.
4520 */
4521 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4522 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4523 if ( !pLeaf
4524 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4525 {
4526 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4527 return;
4528 }
4529
4530 /* Valid for both Intel and AMD. */
4531 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4532 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4533 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4534 break;
4535
4536 default:
4537 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4538 break;
4539 }
4540
4541 /** @todo can probably kill this as this API is now init time only... */
4542 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4543 {
4544 PVMCPU pVCpu = &pVM->aCpus[i];
4545 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4546 }
4547}
4548
4549
4550/**
4551 * Queries a CPUID feature bit.
4552 *
4553 * @returns boolean for feature presence
4554 * @param pVM The cross context VM structure.
4555 * @param enmFeature The feature to query.
4556 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4557 */
4558VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4559{
4560 switch (enmFeature)
4561 {
4562 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4563 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4564 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4565 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4566 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4567 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4568 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4569 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4570 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4571 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4572 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4573 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4574
4575 case CPUMCPUIDFEATURE_INVALID:
4576 case CPUMCPUIDFEATURE_32BIT_HACK:
4577 break;
4578 }
4579 AssertFailed();
4580 return false;
4581}
4582
4583
4584/**
4585 * Clears a CPUID feature bit.
4586 *
4587 * @param pVM The cross context VM structure.
4588 * @param enmFeature The feature to clear.
4589 *
4590 * @deprecated Probably better to default the feature to disabled and only allow
4591 * setting (enabling) it during construction.
4592 */
4593VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4594{
4595 PCPUMCPUIDLEAF pLeaf;
4596 switch (enmFeature)
4597 {
4598 case CPUMCPUIDFEATURE_APIC:
4599 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4600 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4601 if (pLeaf)
4602 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4603
4604 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4605 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4606 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4607
4608 pVM->cpum.s.GuestFeatures.fApic = 0;
4609 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4610 break;
4611
4612 case CPUMCPUIDFEATURE_X2APIC:
4613 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4614 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4615 if (pLeaf)
4616 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4617 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4618 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4619 break;
4620
4621 case CPUMCPUIDFEATURE_PAE:
4622 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4623 if (pLeaf)
4624 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4625
4626 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4627 if ( pLeaf
4628 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4629 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4630
4631 pVM->cpum.s.GuestFeatures.fPae = 0;
4632 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4633 break;
4634
4635 case CPUMCPUIDFEATURE_PAT:
4636 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4637 if (pLeaf)
4638 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4639
4640 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4641 if ( pLeaf
4642 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4643 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4644
4645 pVM->cpum.s.GuestFeatures.fPat = 0;
4646 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4647 break;
4648
4649 case CPUMCPUIDFEATURE_LONG_MODE:
4650 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4651 if (pLeaf)
4652 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4653 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4654 break;
4655
4656 case CPUMCPUIDFEATURE_LAHF:
4657 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4658 if (pLeaf)
4659 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4660 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4661 break;
4662
4663 case CPUMCPUIDFEATURE_RDTSCP:
4664 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4665 if (pLeaf)
4666 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4667 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4668 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4669 break;
4670
4671 case CPUMCPUIDFEATURE_HVP:
4672 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4673 if (pLeaf)
4674 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4675 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4676 break;
4677
4678 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4679 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4680 if (pLeaf)
4681 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4682 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4683 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4684 break;
4685
4686 default:
4687 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4688 break;
4689 }
4690
4691 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4692 {
4693 PVMCPU pVCpu = &pVM->aCpus[i];
4694 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4695 }
4696}
4697
4698
4699
4700/*
4701 *
4702 *
4703 * Saved state related code.
4704 * Saved state related code.
4705 * Saved state related code.
4706 *
4707 *
4708 */
4709
4710/**
4711 * Called both in pass 0 and the final pass.
4712 *
4713 * @param pVM The cross context VM structure.
4714 * @param pSSM The saved state handle.
4715 */
4716void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4717{
4718 /*
4719 * Save all the CPU ID leaves.
4720 */
4721 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4722 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4723 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4724 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4725
4726 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4727
4728 /*
4729 * Save a good portion of the raw CPU IDs as well as they may come in
4730 * handy when validating features for raw mode.
4731 */
4732 CPUMCPUID aRawStd[16];
4733 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4734 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4735 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4736 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4737
4738 CPUMCPUID aRawExt[32];
4739 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4740 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4741 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4742 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4743}
4744
4745
4746static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4747{
4748 uint32_t cCpuIds;
4749 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4750 if (RT_SUCCESS(rc))
4751 {
4752 if (cCpuIds < 64)
4753 {
4754 for (uint32_t i = 0; i < cCpuIds; i++)
4755 {
4756 CPUMCPUID CpuId;
4757 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4758 if (RT_FAILURE(rc))
4759 break;
4760
4761 CPUMCPUIDLEAF NewLeaf;
4762 NewLeaf.uLeaf = uBase + i;
4763 NewLeaf.uSubLeaf = 0;
4764 NewLeaf.fSubLeafMask = 0;
4765 NewLeaf.uEax = CpuId.uEax;
4766 NewLeaf.uEbx = CpuId.uEbx;
4767 NewLeaf.uEcx = CpuId.uEcx;
4768 NewLeaf.uEdx = CpuId.uEdx;
4769 NewLeaf.fFlags = 0;
4770 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4771 }
4772 }
4773 else
4774 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4775 }
4776 if (RT_FAILURE(rc))
4777 {
4778 RTMemFree(*ppaLeaves);
4779 *ppaLeaves = NULL;
4780 *pcLeaves = 0;
4781 }
4782 return rc;
4783}
4784
4785
4786static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4787{
4788 *ppaLeaves = NULL;
4789 *pcLeaves = 0;
4790
4791 int rc;
4792 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4793 {
4794 /*
4795 * The new format. Starts by declaring the leave size and count.
4796 */
4797 uint32_t cbLeaf;
4798 SSMR3GetU32(pSSM, &cbLeaf);
4799 uint32_t cLeaves;
4800 rc = SSMR3GetU32(pSSM, &cLeaves);
4801 if (RT_SUCCESS(rc))
4802 {
4803 if (cbLeaf == sizeof(**ppaLeaves))
4804 {
4805 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4806 {
4807 /*
4808 * Load the leaves one by one.
4809 *
4810 * The uPrev stuff is a kludge for working around a week worth of bad saved
4811 * states during the CPUID revamp in March 2015. We saved too many leaves
4812 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4813 * garbage entires at the end of the array when restoring. We also had
4814 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4815 * this kludge doesn't deal correctly with that, but who cares...
4816 */
4817 uint32_t uPrev = 0;
4818 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4819 {
4820 CPUMCPUIDLEAF Leaf;
4821 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
4822 if (RT_SUCCESS(rc))
4823 {
4824 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
4825 || Leaf.uLeaf >= uPrev)
4826 {
4827 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4828 uPrev = Leaf.uLeaf;
4829 }
4830 else
4831 uPrev = UINT32_MAX;
4832 }
4833 }
4834 }
4835 else
4836 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
4837 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
4838 }
4839 else
4840 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
4841 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
4842 }
4843 }
4844 else
4845 {
4846 /*
4847 * The old format with its three inflexible arrays.
4848 */
4849 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
4850 if (RT_SUCCESS(rc))
4851 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
4852 if (RT_SUCCESS(rc))
4853 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
4854 if (RT_SUCCESS(rc))
4855 {
4856 /*
4857 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
4858 */
4859 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
4860 if ( pLeaf
4861 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
4862 {
4863 CPUMCPUIDLEAF Leaf;
4864 Leaf.uLeaf = 4;
4865 Leaf.fSubLeafMask = UINT32_MAX;
4866 Leaf.uSubLeaf = 0;
4867 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
4868 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
4869 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
4870 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
4871 | UINT32_C(63); /* system coherency line size - 1 */
4872 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
4873 | (UINT32_C(0) << 14) /* threads per cache - 1 */
4874 | (UINT32_C(1) << 5) /* cache level */
4875 | UINT32_C(1); /* cache type (data) */
4876 Leaf.fFlags = 0;
4877 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4878 if (RT_SUCCESS(rc))
4879 {
4880 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
4881 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4882 }
4883 if (RT_SUCCESS(rc))
4884 {
4885 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
4886 Leaf.uEcx = 4095; /* sets - 1 */
4887 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
4888 Leaf.uEbx |= UINT32_C(23) << 22;
4889 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
4890 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
4891 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
4892 Leaf.uEax |= UINT32_C(2) << 5;
4893 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4894 }
4895 }
4896 }
4897 }
4898 return rc;
4899}
4900
4901
4902/**
4903 * Loads the CPU ID leaves saved by pass 0, inner worker.
4904 *
4905 * @returns VBox status code.
4906 * @param pVM The cross context VM structure.
4907 * @param pSSM The saved state handle.
4908 * @param uVersion The format version.
4909 * @param paLeaves Guest CPUID leaves loaded from the state.
4910 * @param cLeaves The number of leaves in @a paLeaves.
4911 */
4912int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
4913{
4914 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
4915
4916 /*
4917 * Continue loading the state into stack buffers.
4918 */
4919 CPUMCPUID GuestDefCpuId;
4920 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
4921 AssertRCReturn(rc, rc);
4922
4923 CPUMCPUID aRawStd[16];
4924 uint32_t cRawStd;
4925 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
4926 if (cRawStd > RT_ELEMENTS(aRawStd))
4927 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4928 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
4929 AssertRCReturn(rc, rc);
4930 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
4931 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4932
4933 CPUMCPUID aRawExt[32];
4934 uint32_t cRawExt;
4935 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
4936 if (cRawExt > RT_ELEMENTS(aRawExt))
4937 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4938 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
4939 AssertRCReturn(rc, rc);
4940 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
4941 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4942
4943 /*
4944 * Get the raw CPU IDs for the current host.
4945 */
4946 CPUMCPUID aHostRawStd[16];
4947 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
4948 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
4949
4950 CPUMCPUID aHostRawExt[32];
4951 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
4952 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
4953 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
4954
4955 /*
4956 * Get the host and guest overrides so we don't reject the state because
4957 * some feature was enabled thru these interfaces.
4958 * Note! We currently only need the feature leaves, so skip rest.
4959 */
4960 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
4961 CPUMCPUID aHostOverrideStd[2];
4962 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
4963 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
4964
4965 CPUMCPUID aHostOverrideExt[2];
4966 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
4967 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
4968
4969 /*
4970 * This can be skipped.
4971 */
4972 bool fStrictCpuIdChecks;
4973 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
4974
4975 /*
4976 * Define a bunch of macros for simplifying the santizing/checking code below.
4977 */
4978 /* Generic expression + failure message. */
4979#define CPUID_CHECK_RET(expr, fmt) \
4980 do { \
4981 if (!(expr)) \
4982 { \
4983 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
4984 if (fStrictCpuIdChecks) \
4985 { \
4986 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
4987 RTStrFree(pszMsg); \
4988 return rcCpuid; \
4989 } \
4990 LogRel(("CPUM: %s\n", pszMsg)); \
4991 RTStrFree(pszMsg); \
4992 } \
4993 } while (0)
4994#define CPUID_CHECK_WRN(expr, fmt) \
4995 do { \
4996 if (!(expr)) \
4997 LogRel(fmt); \
4998 } while (0)
4999
5000 /* For comparing two values and bitch if they differs. */
5001#define CPUID_CHECK2_RET(what, host, saved) \
5002 do { \
5003 if ((host) != (saved)) \
5004 { \
5005 if (fStrictCpuIdChecks) \
5006 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5007 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5008 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5009 } \
5010 } while (0)
5011#define CPUID_CHECK2_WRN(what, host, saved) \
5012 do { \
5013 if ((host) != (saved)) \
5014 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5015 } while (0)
5016
5017 /* For checking raw cpu features (raw mode). */
5018#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5019 do { \
5020 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5021 { \
5022 if (fStrictCpuIdChecks) \
5023 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5024 N_(#bit " mismatch: host=%d saved=%d"), \
5025 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5026 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5027 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5028 } \
5029 } while (0)
5030#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5031 do { \
5032 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5033 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5034 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5035 } while (0)
5036#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5037
5038 /* For checking guest features. */
5039#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5040 do { \
5041 if ( (aGuestCpuId##set [1].reg & bit) \
5042 && !(aHostRaw##set [1].reg & bit) \
5043 && !(aHostOverride##set [1].reg & bit) \
5044 ) \
5045 { \
5046 if (fStrictCpuIdChecks) \
5047 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5048 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5049 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5050 } \
5051 } while (0)
5052#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5053 do { \
5054 if ( (aGuestCpuId##set [1].reg & bit) \
5055 && !(aHostRaw##set [1].reg & bit) \
5056 && !(aHostOverride##set [1].reg & bit) \
5057 ) \
5058 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5059 } while (0)
5060#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5061 do { \
5062 if ( (aGuestCpuId##set [1].reg & bit) \
5063 && !(aHostRaw##set [1].reg & bit) \
5064 && !(aHostOverride##set [1].reg & bit) \
5065 ) \
5066 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5067 } while (0)
5068#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5069
5070 /* For checking guest features if AMD guest CPU. */
5071#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5072 do { \
5073 if ( (aGuestCpuId##set [1].reg & bit) \
5074 && fGuestAmd \
5075 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5076 && !(aHostOverride##set [1].reg & bit) \
5077 ) \
5078 { \
5079 if (fStrictCpuIdChecks) \
5080 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5081 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5082 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5083 } \
5084 } while (0)
5085#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5086 do { \
5087 if ( (aGuestCpuId##set [1].reg & bit) \
5088 && fGuestAmd \
5089 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5090 && !(aHostOverride##set [1].reg & bit) \
5091 ) \
5092 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5093 } while (0)
5094#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5095 do { \
5096 if ( (aGuestCpuId##set [1].reg & bit) \
5097 && fGuestAmd \
5098 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5099 && !(aHostOverride##set [1].reg & bit) \
5100 ) \
5101 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5102 } while (0)
5103#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5104
5105 /* For checking AMD features which have a corresponding bit in the standard
5106 range. (Intel defines very few bits in the extended feature sets.) */
5107#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5108 do { \
5109 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5110 && !(fHostAmd \
5111 ? aHostRawExt[1].reg & (ExtBit) \
5112 : aHostRawStd[1].reg & (StdBit)) \
5113 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5114 ) \
5115 { \
5116 if (fStrictCpuIdChecks) \
5117 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5118 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5119 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5120 } \
5121 } while (0)
5122#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5123 do { \
5124 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5125 && !(fHostAmd \
5126 ? aHostRawExt[1].reg & (ExtBit) \
5127 : aHostRawStd[1].reg & (StdBit)) \
5128 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5129 ) \
5130 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5131 } while (0)
5132#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5133 do { \
5134 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5135 && !(fHostAmd \
5136 ? aHostRawExt[1].reg & (ExtBit) \
5137 : aHostRawStd[1].reg & (StdBit)) \
5138 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5139 ) \
5140 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5141 } while (0)
5142#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5143
5144 /*
5145 * For raw-mode we'll require that the CPUs are very similar since we don't
5146 * intercept CPUID instructions for user mode applications.
5147 */
5148 if (!HMIsEnabled(pVM))
5149 {
5150 /* CPUID(0) */
5151 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5152 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5153 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5154 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5155 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5156 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5157 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5158 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5159 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5160
5161 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5162
5163 /* CPUID(1).eax */
5164 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5165 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5166 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5167
5168 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5169 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5170 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5171
5172 /* CPUID(1).ecx */
5173 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5174 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5175 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5176 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5177 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5178 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5179 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5180 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5181 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5182 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5183 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5184 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5185 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5186 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5187 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5188 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5189 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5190 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5191 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5192 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5193 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5194 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5195 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5196 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5197 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5198 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5199 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5200 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5201 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5202 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5203 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5204 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5205
5206 /* CPUID(1).edx */
5207 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5208 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5209 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5210 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5211 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5212 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5213 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5214 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5215 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5216 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5217 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5218 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5219 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5220 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5221 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5222 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5223 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5224 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5225 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5226 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5227 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5228 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5229 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5230 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5231 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5232 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5233 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5234 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5235 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5236 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5237 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5238 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5239
5240 /* CPUID(2) - config, mostly about caches. ignore. */
5241 /* CPUID(3) - processor serial number. ignore. */
5242 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5243 /* CPUID(5) - mwait/monitor config. ignore. */
5244 /* CPUID(6) - power management. ignore. */
5245 /* CPUID(7) - ???. ignore. */
5246 /* CPUID(8) - ???. ignore. */
5247 /* CPUID(9) - DCA. ignore for now. */
5248 /* CPUID(a) - PeMo info. ignore for now. */
5249 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5250
5251 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5252 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5253 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5254 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5255 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5256 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5257 {
5258 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5259 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5260 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5261/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5262 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5263 }
5264
5265 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5266 Note! Intel have/is marking many of the fields here as reserved. We
5267 will verify them as if it's an AMD CPU. */
5268 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5269 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5270 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5271 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5272 {
5273 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5274 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5275 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5276 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5277 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5278 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5279 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5280
5281 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5282 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5283 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5284 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5285 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5286 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5287
5288 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5289 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5290 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5291 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5292
5293 /* CPUID(0x80000001).ecx */
5294 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5295 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5296 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5297 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5298 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5299 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5300 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5301 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5302 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5303 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5304 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5305 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5306 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5307 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5308 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5309 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5310 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5311 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5312 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5313 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5314 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5315 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5316 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5317 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5318 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5319 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5320 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5321 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5322 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5323 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5324 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5325 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5326
5327 /* CPUID(0x80000001).edx */
5328 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5329 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5330 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5331 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5332 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5333 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5334 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5335 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5336 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5337 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5338 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5339 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5340 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5341 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5342 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5343 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5344 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5345 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5346 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5347 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5348 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5349 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5350 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5351 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5352 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5353 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5354 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5355 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5356 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5357 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5358 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5359 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5360
5361 /** @todo verify the rest as well. */
5362 }
5363 }
5364
5365
5366
5367 /*
5368 * Verify that we can support the features already exposed to the guest on
5369 * this host.
5370 *
5371 * Most of the features we're emulating requires intercepting instruction
5372 * and doing it the slow way, so there is no need to warn when they aren't
5373 * present in the host CPU. Thus we use IGN instead of EMU on these.
5374 *
5375 * Trailing comments:
5376 * "EMU" - Possible to emulate, could be lots of work and very slow.
5377 * "EMU?" - Can this be emulated?
5378 */
5379 CPUMCPUID aGuestCpuIdStd[2];
5380 RT_ZERO(aGuestCpuIdStd);
5381 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5382
5383 /* CPUID(1).ecx */
5384 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5385 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5386 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5387 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5388 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5389 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5390 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5391 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5392 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5393 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5394 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5395 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5396 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5397 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5398 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5399 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5400 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5401 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5402 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5403 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5404 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5405 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5406 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5407 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5408 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5409 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5410 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5411 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5412 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5413 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5414 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5415 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5416
5417 /* CPUID(1).edx */
5418 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5419 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5420 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5421 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5422 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5423 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5424 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5425 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5426 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5427 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5428 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5429 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5430 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5431 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5432 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5433 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5434 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5435 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5436 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5437 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5438 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5439 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5440 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5441 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5442 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5443 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5444 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5445 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5446 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5447 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5448 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5449 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5450
5451 /* CPUID(0x80000000). */
5452 CPUMCPUID aGuestCpuIdExt[2];
5453 RT_ZERO(aGuestCpuIdExt);
5454 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5455 {
5456 /** @todo deal with no 0x80000001 on the host. */
5457 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5458 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5459
5460 /* CPUID(0x80000001).ecx */
5461 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5462 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5463 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5464 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5465 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5466 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5467 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5468 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5469 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5470 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5471 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5472 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5473 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5474 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5475 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5476 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5477 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5478 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5479 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5480 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5481 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5482 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5483 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5484 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5485 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5486 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5487 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5488 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5489 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5490 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5491 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5492 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5493
5494 /* CPUID(0x80000001).edx */
5495 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5496 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5497 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5498 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5499 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5500 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5501 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5502 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5503 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5504 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5505 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5506 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5507 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5508 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5509 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5510 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5511 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5512 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5513 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5514 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5515 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5516 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5517 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5518 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5519 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5520 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5521 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5522 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5523 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5524 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5525 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5526 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5527 }
5528
5529 /** @todo check leaf 7 */
5530
5531 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5532 * ECX=0: EAX - Valid bits in XCR0[31:0].
5533 * EBX - Maximum state size as per current XCR0 value.
5534 * ECX - Maximum state size for all supported features.
5535 * EDX - Valid bits in XCR0[63:32].
5536 * ECX=1: EAX - Various X-features.
5537 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5538 * ECX - Valid bits in IA32_XSS[31:0].
5539 * EDX - Valid bits in IA32_XSS[63:32].
5540 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5541 * if the bit invalid all four registers are set to zero.
5542 * EAX - The state size for this feature.
5543 * EBX - The state byte offset of this feature.
5544 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5545 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5546 */
5547 uint64_t fGuestXcr0Mask = 0;
5548 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5549 if ( pCurLeaf
5550 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5551 && ( pCurLeaf->uEax
5552 || pCurLeaf->uEbx
5553 || pCurLeaf->uEcx
5554 || pCurLeaf->uEdx) )
5555 {
5556 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5557 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5558 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5559 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5560 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5561 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5562 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5563 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5564
5565 /* We don't support any additional features yet. */
5566 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5567 if (pCurLeaf && pCurLeaf->uEax)
5568 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5569 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5570 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5571 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5572 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5573 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5574
5575
5576 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5577 {
5578 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5579 if (pCurLeaf)
5580 {
5581 /* If advertised, the state component offset and size must match the one used by host. */
5582 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5583 {
5584 CPUMCPUID RawHost;
5585 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5586 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5587 if ( RawHost.uEbx != pCurLeaf->uEbx
5588 || RawHost.uEax != pCurLeaf->uEax)
5589 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5590 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5591 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5592 }
5593 }
5594 }
5595 }
5596 /* Clear leaf 0xd just in case we're loading an old state... */
5597 else if (pCurLeaf)
5598 {
5599 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5600 {
5601 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5602 if (pCurLeaf)
5603 {
5604 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5605 || ( pCurLeaf->uEax == 0
5606 && pCurLeaf->uEbx == 0
5607 && pCurLeaf->uEcx == 0
5608 && pCurLeaf->uEdx == 0),
5609 ("uVersion=%#x; %#x %#x %#x %#x\n",
5610 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5611 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5612 }
5613 }
5614 }
5615
5616 /* Update the fXStateGuestMask value for the VM. */
5617 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5618 {
5619 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5620 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5621 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5622 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5623 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5624 }
5625
5626#undef CPUID_CHECK_RET
5627#undef CPUID_CHECK_WRN
5628#undef CPUID_CHECK2_RET
5629#undef CPUID_CHECK2_WRN
5630#undef CPUID_RAW_FEATURE_RET
5631#undef CPUID_RAW_FEATURE_WRN
5632#undef CPUID_RAW_FEATURE_IGN
5633#undef CPUID_GST_FEATURE_RET
5634#undef CPUID_GST_FEATURE_WRN
5635#undef CPUID_GST_FEATURE_EMU
5636#undef CPUID_GST_FEATURE_IGN
5637#undef CPUID_GST_FEATURE2_RET
5638#undef CPUID_GST_FEATURE2_WRN
5639#undef CPUID_GST_FEATURE2_EMU
5640#undef CPUID_GST_FEATURE2_IGN
5641#undef CPUID_GST_AMD_FEATURE_RET
5642#undef CPUID_GST_AMD_FEATURE_WRN
5643#undef CPUID_GST_AMD_FEATURE_EMU
5644#undef CPUID_GST_AMD_FEATURE_IGN
5645
5646 /*
5647 * We're good, commit the CPU ID leaves.
5648 */
5649 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5650 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5651 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5652 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5653 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5654 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5655 AssertLogRelRCReturn(rc, rc);
5656
5657 return VINF_SUCCESS;
5658}
5659
5660
5661/**
5662 * Loads the CPU ID leaves saved by pass 0.
5663 *
5664 * @returns VBox status code.
5665 * @param pVM The cross context VM structure.
5666 * @param pSSM The saved state handle.
5667 * @param uVersion The format version.
5668 */
5669int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5670{
5671 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5672
5673 /*
5674 * Load the CPUID leaves array first and call worker to do the rest, just so
5675 * we can free the memory when we need to without ending up in column 1000.
5676 */
5677 PCPUMCPUIDLEAF paLeaves;
5678 uint32_t cLeaves;
5679 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5680 AssertRC(rc);
5681 if (RT_SUCCESS(rc))
5682 {
5683 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5684 RTMemFree(paLeaves);
5685 }
5686 return rc;
5687}
5688
5689
5690
5691/**
5692 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5693 *
5694 * @returns VBox status code.
5695 * @param pVM The cross context VM structure.
5696 * @param pSSM The saved state handle.
5697 * @param uVersion The format version.
5698 */
5699int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5700{
5701 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5702
5703 /*
5704 * Restore the CPUID leaves.
5705 *
5706 * Note that we support restoring less than the current amount of standard
5707 * leaves because we've been allowed more is newer version of VBox.
5708 */
5709 uint32_t cElements;
5710 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5711 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5712 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5713 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5714
5715 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5716 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5717 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5718 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5719
5720 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5721 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5722 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5723 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5724
5725 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5726
5727 /*
5728 * Check that the basic cpuid id information is unchanged.
5729 */
5730 /** @todo we should check the 64 bits capabilities too! */
5731 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5732 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5733 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5734 uint32_t au32CpuIdSaved[8];
5735 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5736 if (RT_SUCCESS(rc))
5737 {
5738 /* Ignore CPU stepping. */
5739 au32CpuId[4] &= 0xfffffff0;
5740 au32CpuIdSaved[4] &= 0xfffffff0;
5741
5742 /* Ignore APIC ID (AMD specs). */
5743 au32CpuId[5] &= ~0xff000000;
5744 au32CpuIdSaved[5] &= ~0xff000000;
5745
5746 /* Ignore the number of Logical CPUs (AMD specs). */
5747 au32CpuId[5] &= ~0x00ff0000;
5748 au32CpuIdSaved[5] &= ~0x00ff0000;
5749
5750 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5751 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5752 | X86_CPUID_FEATURE_ECX_VMX
5753 | X86_CPUID_FEATURE_ECX_SMX
5754 | X86_CPUID_FEATURE_ECX_EST
5755 | X86_CPUID_FEATURE_ECX_TM2
5756 | X86_CPUID_FEATURE_ECX_CNTXID
5757 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5758 | X86_CPUID_FEATURE_ECX_PDCM
5759 | X86_CPUID_FEATURE_ECX_DCA
5760 | X86_CPUID_FEATURE_ECX_X2APIC
5761 );
5762 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5763 | X86_CPUID_FEATURE_ECX_VMX
5764 | X86_CPUID_FEATURE_ECX_SMX
5765 | X86_CPUID_FEATURE_ECX_EST
5766 | X86_CPUID_FEATURE_ECX_TM2
5767 | X86_CPUID_FEATURE_ECX_CNTXID
5768 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5769 | X86_CPUID_FEATURE_ECX_PDCM
5770 | X86_CPUID_FEATURE_ECX_DCA
5771 | X86_CPUID_FEATURE_ECX_X2APIC
5772 );
5773
5774 /* Make sure we don't forget to update the masks when enabling
5775 * features in the future.
5776 */
5777 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5778 ( X86_CPUID_FEATURE_ECX_DTES64
5779 | X86_CPUID_FEATURE_ECX_VMX
5780 | X86_CPUID_FEATURE_ECX_SMX
5781 | X86_CPUID_FEATURE_ECX_EST
5782 | X86_CPUID_FEATURE_ECX_TM2
5783 | X86_CPUID_FEATURE_ECX_CNTXID
5784 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5785 | X86_CPUID_FEATURE_ECX_PDCM
5786 | X86_CPUID_FEATURE_ECX_DCA
5787 | X86_CPUID_FEATURE_ECX_X2APIC
5788 )));
5789 /* do the compare */
5790 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5791 {
5792 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5793 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5794 "Saved=%.*Rhxs\n"
5795 "Real =%.*Rhxs\n",
5796 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5797 sizeof(au32CpuId), au32CpuId));
5798 else
5799 {
5800 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5801 "Saved=%.*Rhxs\n"
5802 "Real =%.*Rhxs\n",
5803 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5804 sizeof(au32CpuId), au32CpuId));
5805 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5806 }
5807 }
5808 }
5809
5810 return rc;
5811}
5812
5813
5814
5815/*
5816 *
5817 *
5818 * CPUID Info Handler.
5819 * CPUID Info Handler.
5820 * CPUID Info Handler.
5821 *
5822 *
5823 */
5824
5825
5826
5827/**
5828 * Get L1 cache / TLS associativity.
5829 */
5830static const char *getCacheAss(unsigned u, char *pszBuf)
5831{
5832 if (u == 0)
5833 return "res0 ";
5834 if (u == 1)
5835 return "direct";
5836 if (u == 255)
5837 return "fully";
5838 if (u >= 256)
5839 return "???";
5840
5841 RTStrPrintf(pszBuf, 16, "%d way", u);
5842 return pszBuf;
5843}
5844
5845
5846/**
5847 * Get L2 cache associativity.
5848 */
5849const char *getL2CacheAss(unsigned u)
5850{
5851 switch (u)
5852 {
5853 case 0: return "off ";
5854 case 1: return "direct";
5855 case 2: return "2 way ";
5856 case 3: return "res3 ";
5857 case 4: return "4 way ";
5858 case 5: return "res5 ";
5859 case 6: return "8 way ";
5860 case 7: return "res7 ";
5861 case 8: return "16 way";
5862 case 9: return "res9 ";
5863 case 10: return "res10 ";
5864 case 11: return "res11 ";
5865 case 12: return "res12 ";
5866 case 13: return "res13 ";
5867 case 14: return "res14 ";
5868 case 15: return "fully ";
5869 default: return "????";
5870 }
5871}
5872
5873
5874/** CPUID(1).EDX field descriptions. */
5875static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
5876{
5877 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5878 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5879 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5880 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5881 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5882 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
5883 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5884 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5885 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5886 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5887 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
5888 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5889 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5890 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5891 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5892 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5893 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5894 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
5895 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
5896 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
5897 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
5898 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5899 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
5900 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
5901 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
5902 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
5903 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
5904 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
5905 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
5906 DBGFREGSUBFIELD_TERMINATOR()
5907};
5908
5909/** CPUID(1).ECX field descriptions. */
5910static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
5911{
5912 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
5913 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
5914 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
5915 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
5916 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
5917 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
5918 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
5919 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
5920 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
5921 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
5922 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
5923 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
5924 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
5925 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
5926 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
5927 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
5928 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
5929 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
5930 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
5931 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
5932 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
5933 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
5934 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
5935 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
5936 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
5937 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
5938 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
5939 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
5940 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
5941 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
5942 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
5943 DBGFREGSUBFIELD_TERMINATOR()
5944};
5945
5946/** CPUID(7,0).EBX field descriptions. */
5947static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
5948{
5949 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
5950 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
5951 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
5952 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
5953 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
5954 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
5955 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
5956 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
5957 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
5958 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
5959 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
5960 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
5961 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
5962 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
5963 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
5964 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
5965 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
5966 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
5967 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
5968 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
5969 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
5970 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
5971 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
5972 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
5973 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
5974 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
5975 DBGFREGSUBFIELD_TERMINATOR()
5976};
5977
5978/** CPUID(7,0).ECX field descriptions. */
5979static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
5980{
5981 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
5982 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
5983 DBGFREGSUBFIELD_RO("OSPKU\0" "CR4.PKU mirror", 4, 1, 0),
5984 DBGFREGSUBFIELD_TERMINATOR()
5985};
5986
5987
5988/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
5989static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
5990{
5991 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
5992 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
5993 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
5994 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
5995 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
5996 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
5997 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
5998 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
5999 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6000 DBGFREGSUBFIELD_TERMINATOR()
6001};
6002
6003/** CPUID(13,1).EAX field descriptions. */
6004static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6005{
6006 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6007 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6008 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6009 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6010 DBGFREGSUBFIELD_TERMINATOR()
6011};
6012
6013
6014/** CPUID(0x80000001,0).EDX field descriptions. */
6015static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6016{
6017 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6018 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6019 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6020 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6021 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6022 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6023 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6024 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6025 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6026 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6027 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6028 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6029 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6030 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6031 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6032 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6033 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6034 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6035 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6036 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6037 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6038 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6039 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6040 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6041 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6042 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6043 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6044 DBGFREGSUBFIELD_TERMINATOR()
6045};
6046
6047/** CPUID(0x80000001,0).ECX field descriptions. */
6048static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6049{
6050 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6051 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6052 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6053 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6054 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6055 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6056 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6057 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6058 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6059 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6060 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6061 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6062 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6063 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6064 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6065 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6066 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6067 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6068 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6069 DBGFREGSUBFIELD_TERMINATOR()
6070};
6071
6072
6073static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6074 const char *pszLeadIn, uint32_t cchWidth)
6075{
6076 if (pszLeadIn)
6077 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6078
6079 for (uint32_t iBit = 0; iBit < 32; iBit++)
6080 if (RT_BIT_32(iBit) & uVal)
6081 {
6082 while ( pDesc->pszName != NULL
6083 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6084 pDesc++;
6085 if ( pDesc->pszName != NULL
6086 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6087 {
6088 if (pDesc->cBits == 1)
6089 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6090 else
6091 {
6092 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6093 if (pDesc->cBits < 32)
6094 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6095 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6096 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6097 }
6098 }
6099 else
6100 pHlp->pfnPrintf(pHlp, " %u", iBit);
6101 }
6102 if (pszLeadIn)
6103 pHlp->pfnPrintf(pHlp, "\n");
6104}
6105
6106
6107static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6108 const char *pszLeadIn, uint32_t cchWidth)
6109{
6110 if (pszLeadIn)
6111 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6112
6113 for (uint32_t iBit = 0; iBit < 64; iBit++)
6114 if (RT_BIT_64(iBit) & uVal)
6115 {
6116 while ( pDesc->pszName != NULL
6117 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6118 pDesc++;
6119 if ( pDesc->pszName != NULL
6120 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6121 {
6122 if (pDesc->cBits == 1)
6123 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6124 else
6125 {
6126 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6127 if (pDesc->cBits < 64)
6128 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6129 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6130 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6131 }
6132 }
6133 else
6134 pHlp->pfnPrintf(pHlp, " %u", iBit);
6135 }
6136 if (pszLeadIn)
6137 pHlp->pfnPrintf(pHlp, "\n");
6138}
6139
6140
6141static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6142 const char *pszLeadIn, uint32_t cchWidth)
6143{
6144 if (!uVal)
6145 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6146 else
6147 {
6148 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6149 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6150 pHlp->pfnPrintf(pHlp, " )\n");
6151 }
6152}
6153
6154
6155static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6156 uint32_t cchWidth)
6157{
6158 uint32_t uCombined = uVal1 | uVal2;
6159 for (uint32_t iBit = 0; iBit < 32; iBit++)
6160 if ( (RT_BIT_32(iBit) & uCombined)
6161 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6162 {
6163 while ( pDesc->pszName != NULL
6164 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6165 pDesc++;
6166
6167 if ( pDesc->pszName != NULL
6168 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6169 {
6170 size_t cchMnemonic = strlen(pDesc->pszName);
6171 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6172 size_t cchDesc = strlen(pszDesc);
6173 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6174 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6175 if (pDesc->cBits < 32)
6176 {
6177 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6178 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6179 }
6180
6181 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6182 pDesc->pszName, pszDesc,
6183 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6184 uFieldValue1, uFieldValue2);
6185
6186 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6187 pDesc++;
6188 }
6189 else
6190 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6191 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6192 }
6193}
6194
6195
6196/**
6197 * Produces a detailed summary of standard leaf 0x00000001.
6198 *
6199 * @param pHlp The info helper functions.
6200 * @param pCurLeaf The 0x00000001 leaf.
6201 * @param fVerbose Whether to be very verbose or not.
6202 * @param fIntel Set if intel CPU.
6203 */
6204static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6205{
6206 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6207 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6208 uint32_t uEAX = pCurLeaf->uEax;
6209 uint32_t uEBX = pCurLeaf->uEbx;
6210
6211 pHlp->pfnPrintf(pHlp,
6212 "%36s %2d \tExtended: %d \tEffective: %d\n"
6213 "%36s %2d \tExtended: %d \tEffective: %d\n"
6214 "%36s %d\n"
6215 "%36s %d (%s)\n"
6216 "%36s %#04x\n"
6217 "%36s %d\n"
6218 "%36s %d\n"
6219 "%36s %#04x\n"
6220 ,
6221 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6222 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6223 "Stepping:", ASMGetCpuStepping(uEAX),
6224 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6225 "APIC ID:", (uEBX >> 24) & 0xff,
6226 "Logical CPUs:",(uEBX >> 16) & 0xff,
6227 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6228 "Brand ID:", (uEBX >> 0) & 0xff);
6229 if (fVerbose)
6230 {
6231 CPUMCPUID Host;
6232 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6233 pHlp->pfnPrintf(pHlp, "Features\n");
6234 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6235 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6236 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6237 }
6238 else
6239 {
6240 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6241 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6242 }
6243}
6244
6245
6246/**
6247 * Produces a detailed summary of standard leaf 0x00000007.
6248 *
6249 * @param pHlp The info helper functions.
6250 * @param paLeaves The CPUID leaves array.
6251 * @param cLeaves The number of leaves in the array.
6252 * @param pCurLeaf The first 0x00000007 leaf.
6253 * @param fVerbose Whether to be very verbose or not.
6254 */
6255static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6256 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6257{
6258 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6259 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6260 for (;;)
6261 {
6262 CPUMCPUID Host;
6263 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6264
6265 switch (pCurLeaf->uSubLeaf)
6266 {
6267 case 0:
6268 if (fVerbose)
6269 {
6270 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6271 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6272 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6273 if (pCurLeaf->uEdx || Host.uEdx)
6274 pHlp->pfnPrintf(pHlp, "%36 %#x (%#x)\n", "Ext Features EDX:", pCurLeaf->uEdx, Host.uEdx);
6275 }
6276 else
6277 {
6278 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6279 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6280 if (pCurLeaf->uEdx)
6281 pHlp->pfnPrintf(pHlp, "%36 %#x\n", "Ext Features EDX:", pCurLeaf->uEdx);
6282 }
6283 break;
6284
6285 default:
6286 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6287 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6288 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6289 break;
6290
6291 }
6292
6293 /* advance. */
6294 pCurLeaf++;
6295 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6296 || pCurLeaf->uLeaf != 0x7)
6297 break;
6298 }
6299}
6300
6301
6302/**
6303 * Produces a detailed summary of standard leaf 0x0000000d.
6304 *
6305 * @param pHlp The info helper functions.
6306 * @param paLeaves The CPUID leaves array.
6307 * @param cLeaves The number of leaves in the array.
6308 * @param pCurLeaf The first 0x00000007 leaf.
6309 * @param fVerbose Whether to be very verbose or not.
6310 */
6311static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6312 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6313{
6314 RT_NOREF_PV(fVerbose);
6315 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6316 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6317 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6318 {
6319 CPUMCPUID Host;
6320 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6321
6322 switch (uSubLeaf)
6323 {
6324 case 0:
6325 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6326 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6327 pCurLeaf->uEbx, pCurLeaf->uEcx);
6328 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6329
6330 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6331 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6332 "Valid XCR0 bits, guest:", 42);
6333 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6334 "Valid XCR0 bits, host:", 42);
6335 break;
6336
6337 case 1:
6338 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6339 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6340 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6341
6342 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6343 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6344 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6345
6346 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6347 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6348 " Valid IA32_XSS bits, guest:", 42);
6349 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6350 " Valid IA32_XSS bits, host:", 42);
6351 break;
6352
6353 default:
6354 if ( pCurLeaf
6355 && pCurLeaf->uSubLeaf == uSubLeaf
6356 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6357 {
6358 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6359 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6360 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6361 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6362 if (pCurLeaf->uEdx)
6363 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6364 pHlp->pfnPrintf(pHlp, " --");
6365 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6366 pHlp->pfnPrintf(pHlp, "\n");
6367 }
6368 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6369 {
6370 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6371 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6372 if (Host.uEcx & ~RT_BIT_32(0))
6373 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6374 if (Host.uEdx)
6375 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6376 pHlp->pfnPrintf(pHlp, " --");
6377 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6378 pHlp->pfnPrintf(pHlp, "\n");
6379 }
6380 break;
6381
6382 }
6383
6384 /* advance. */
6385 if (pCurLeaf)
6386 {
6387 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6388 && pCurLeaf->uSubLeaf <= uSubLeaf
6389 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6390 pCurLeaf++;
6391 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6392 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6393 pCurLeaf = NULL;
6394 }
6395 }
6396}
6397
6398
6399static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6400 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6401{
6402 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6403 && pCurLeaf->uLeaf <= uUpToLeaf)
6404 {
6405 pHlp->pfnPrintf(pHlp,
6406 " %s\n"
6407 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6408 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6409 && pCurLeaf->uLeaf <= uUpToLeaf)
6410 {
6411 CPUMCPUID Host;
6412 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6413 pHlp->pfnPrintf(pHlp,
6414 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6415 "Hst: %08x %08x %08x %08x\n",
6416 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6417 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6418 pCurLeaf++;
6419 }
6420 }
6421
6422 return pCurLeaf;
6423}
6424
6425
6426/**
6427 * Display the guest CpuId leaves.
6428 *
6429 * @param pVM The cross context VM structure.
6430 * @param pHlp The info helper functions.
6431 * @param pszArgs "terse", "default" or "verbose".
6432 */
6433DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6434{
6435 /*
6436 * Parse the argument.
6437 */
6438 unsigned iVerbosity = 1;
6439 if (pszArgs)
6440 {
6441 pszArgs = RTStrStripL(pszArgs);
6442 if (!strcmp(pszArgs, "terse"))
6443 iVerbosity--;
6444 else if (!strcmp(pszArgs, "verbose"))
6445 iVerbosity++;
6446 }
6447
6448 uint32_t uLeaf;
6449 CPUMCPUID Host;
6450 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6451 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6452 PCCPUMCPUIDLEAF pCurLeaf;
6453 PCCPUMCPUIDLEAF pNextLeaf;
6454 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6455 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6456 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6457
6458 /*
6459 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6460 */
6461 uint32_t cHstMax = ASMCpuId_EAX(0);
6462 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6463 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6464 pHlp->pfnPrintf(pHlp,
6465 " Raw Standard CPUID Leaves\n"
6466 " Leaf/sub-leaf eax ebx ecx edx\n");
6467 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6468 {
6469 uint32_t cMaxSubLeaves = 1;
6470 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6471 cMaxSubLeaves = 16;
6472 else if (uLeaf == 0xd)
6473 cMaxSubLeaves = 128;
6474
6475 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6476 {
6477 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6478 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6479 && pCurLeaf->uLeaf == uLeaf
6480 && pCurLeaf->uSubLeaf == uSubLeaf)
6481 {
6482 pHlp->pfnPrintf(pHlp,
6483 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6484 "Hst: %08x %08x %08x %08x\n",
6485 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6486 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6487 pCurLeaf++;
6488 }
6489 else if ( uLeaf != 0xd
6490 || uSubLeaf <= 1
6491 || Host.uEbx != 0 )
6492 pHlp->pfnPrintf(pHlp,
6493 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6494 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6495
6496 /* Done? */
6497 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6498 || pCurLeaf->uLeaf != uLeaf)
6499 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6500 || (uLeaf == 0x7 && Host.uEax == 0)
6501 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6502 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6503 || (uLeaf == 0xd && uSubLeaf >= 128)
6504 )
6505 )
6506 break;
6507 }
6508 }
6509 pNextLeaf = pCurLeaf;
6510
6511 /*
6512 * If verbose, decode it.
6513 */
6514 if (iVerbosity && paLeaves[0].uLeaf == 0)
6515 pHlp->pfnPrintf(pHlp,
6516 "%36s %.04s%.04s%.04s\n"
6517 "%36s 0x00000000-%#010x\n"
6518 ,
6519 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6520 "Supports:", paLeaves[0].uEax);
6521
6522 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6523 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6524
6525 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6526 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6527
6528 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6529 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6530
6531 pCurLeaf = pNextLeaf;
6532
6533 /*
6534 * Hypervisor leaves.
6535 *
6536 * Unlike most of the other leaves reported, the guest hypervisor leaves
6537 * aren't a subset of the host CPUID bits.
6538 */
6539 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6540
6541 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6542 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6543 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6544 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6545 cMax = RT_MAX(cHstMax, cGstMax);
6546 if (cMax >= UINT32_C(0x40000000))
6547 {
6548 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6549
6550 /** @todo dump these in more detail. */
6551
6552 pCurLeaf = pNextLeaf;
6553 }
6554
6555
6556 /*
6557 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6558 * Implemented after AMD specs.
6559 */
6560 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6561
6562 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6563 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6564 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6565 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6566 cMax = RT_MAX(cHstMax, cGstMax);
6567 if (cMax >= UINT32_C(0x80000000))
6568 {
6569
6570 pHlp->pfnPrintf(pHlp,
6571 " Raw Extended CPUID Leaves\n"
6572 " Leaf/sub-leaf eax ebx ecx edx\n");
6573 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6574 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6575 {
6576 uint32_t cMaxSubLeaves = 1;
6577 if (uLeaf == UINT32_C(0x8000001d))
6578 cMaxSubLeaves = 16;
6579
6580 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6581 {
6582 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6583 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6584 && pCurLeaf->uLeaf == uLeaf
6585 && pCurLeaf->uSubLeaf == uSubLeaf)
6586 {
6587 pHlp->pfnPrintf(pHlp,
6588 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6589 "Hst: %08x %08x %08x %08x\n",
6590 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6591 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6592 pCurLeaf++;
6593 }
6594 else if ( uLeaf != 0xd
6595 || uSubLeaf <= 1
6596 || Host.uEbx != 0 )
6597 pHlp->pfnPrintf(pHlp,
6598 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6599 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6600
6601 /* Done? */
6602 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6603 || pCurLeaf->uLeaf != uLeaf)
6604 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6605 break;
6606 }
6607 }
6608 pNextLeaf = pCurLeaf;
6609
6610 /*
6611 * Understandable output
6612 */
6613 if (iVerbosity)
6614 pHlp->pfnPrintf(pHlp,
6615 "Ext Name: %.4s%.4s%.4s\n"
6616 "Ext Supports: 0x80000000-%#010x\n",
6617 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6618
6619 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6620 if (iVerbosity && pCurLeaf)
6621 {
6622 uint32_t uEAX = pCurLeaf->uEax;
6623 pHlp->pfnPrintf(pHlp,
6624 "Family: %d \tExtended: %d \tEffective: %d\n"
6625 "Model: %d \tExtended: %d \tEffective: %d\n"
6626 "Stepping: %d\n"
6627 "Brand ID: %#05x\n",
6628 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6629 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6630 ASMGetCpuStepping(uEAX),
6631 pCurLeaf->uEbx & 0xfff);
6632
6633 if (iVerbosity == 1)
6634 {
6635 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6636 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6637 }
6638 else
6639 {
6640 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6641 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6642 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6643 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6644 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6645 }
6646 }
6647
6648 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6649 {
6650 char szString[4*4*3+1] = {0};
6651 uint32_t *pu32 = (uint32_t *)szString;
6652 *pu32++ = pCurLeaf->uEax;
6653 *pu32++ = pCurLeaf->uEbx;
6654 *pu32++ = pCurLeaf->uEcx;
6655 *pu32++ = pCurLeaf->uEdx;
6656 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6657 if (pCurLeaf)
6658 {
6659 *pu32++ = pCurLeaf->uEax;
6660 *pu32++ = pCurLeaf->uEbx;
6661 *pu32++ = pCurLeaf->uEcx;
6662 *pu32++ = pCurLeaf->uEdx;
6663 }
6664 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6665 if (pCurLeaf)
6666 {
6667 *pu32++ = pCurLeaf->uEax;
6668 *pu32++ = pCurLeaf->uEbx;
6669 *pu32++ = pCurLeaf->uEcx;
6670 *pu32++ = pCurLeaf->uEdx;
6671 }
6672 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6673 }
6674
6675 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6676 {
6677 uint32_t uEAX = pCurLeaf->uEax;
6678 uint32_t uEBX = pCurLeaf->uEbx;
6679 uint32_t uECX = pCurLeaf->uEcx;
6680 uint32_t uEDX = pCurLeaf->uEdx;
6681 char sz1[32];
6682 char sz2[32];
6683
6684 pHlp->pfnPrintf(pHlp,
6685 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6686 "TLB 2/4M Data: %s %3d entries\n",
6687 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6688 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6689 pHlp->pfnPrintf(pHlp,
6690 "TLB 4K Instr/Uni: %s %3d entries\n"
6691 "TLB 4K Data: %s %3d entries\n",
6692 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6693 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6694 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6695 "L1 Instr Cache Lines Per Tag: %d\n"
6696 "L1 Instr Cache Associativity: %s\n"
6697 "L1 Instr Cache Size: %d KB\n",
6698 (uEDX >> 0) & 0xff,
6699 (uEDX >> 8) & 0xff,
6700 getCacheAss((uEDX >> 16) & 0xff, sz1),
6701 (uEDX >> 24) & 0xff);
6702 pHlp->pfnPrintf(pHlp,
6703 "L1 Data Cache Line Size: %d bytes\n"
6704 "L1 Data Cache Lines Per Tag: %d\n"
6705 "L1 Data Cache Associativity: %s\n"
6706 "L1 Data Cache Size: %d KB\n",
6707 (uECX >> 0) & 0xff,
6708 (uECX >> 8) & 0xff,
6709 getCacheAss((uECX >> 16) & 0xff, sz1),
6710 (uECX >> 24) & 0xff);
6711 }
6712
6713 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6714 {
6715 uint32_t uEAX = pCurLeaf->uEax;
6716 uint32_t uEBX = pCurLeaf->uEbx;
6717 uint32_t uEDX = pCurLeaf->uEdx;
6718
6719 pHlp->pfnPrintf(pHlp,
6720 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6721 "L2 TLB 2/4M Data: %s %4d entries\n",
6722 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6723 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6724 pHlp->pfnPrintf(pHlp,
6725 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6726 "L2 TLB 4K Data: %s %4d entries\n",
6727 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6728 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6729 pHlp->pfnPrintf(pHlp,
6730 "L2 Cache Line Size: %d bytes\n"
6731 "L2 Cache Lines Per Tag: %d\n"
6732 "L2 Cache Associativity: %s\n"
6733 "L2 Cache Size: %d KB\n",
6734 (uEDX >> 0) & 0xff,
6735 (uEDX >> 8) & 0xf,
6736 getL2CacheAss((uEDX >> 12) & 0xf),
6737 (uEDX >> 16) & 0xffff);
6738 }
6739
6740 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6741 {
6742 uint32_t uEDX = pCurLeaf->uEdx;
6743
6744 pHlp->pfnPrintf(pHlp, "APM Features: ");
6745 if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " TS");
6746 if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " FID");
6747 if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " VID");
6748 if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " TTP");
6749 if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TM");
6750 if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " STC");
6751 if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " MC");
6752 if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " HWPSTATE");
6753 if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " TscInvariant");
6754 if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " CPB");
6755 if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " EffFreqRO");
6756 if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PFI");
6757 if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PA");
6758 for (unsigned iBit = 13; iBit < 32; iBit++)
6759 if (uEDX & RT_BIT(iBit))
6760 pHlp->pfnPrintf(pHlp, " %d", iBit);
6761 pHlp->pfnPrintf(pHlp, "\n");
6762
6763 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6764 pHlp->pfnPrintf(pHlp, "Host Invariant-TSC support: %RTbool\n",
6765 cHstMax >= UINT32_C(0x80000007) && (Host.uEdx & RT_BIT(8)));
6766
6767 }
6768
6769 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0)) != NULL)
6770 {
6771 uint32_t uEAX = pCurLeaf->uEax;
6772 uint32_t uECX = pCurLeaf->uEcx;
6773
6774 pHlp->pfnPrintf(pHlp,
6775 "Physical Address Width: %d bits\n"
6776 "Virtual Address Width: %d bits\n"
6777 "Guest Physical Address Width: %d bits\n",
6778 (uEAX >> 0) & 0xff,
6779 (uEAX >> 8) & 0xff,
6780 (uEAX >> 16) & 0xff);
6781 pHlp->pfnPrintf(pHlp,
6782 "Physical Core Count: %d\n",
6783 ((uECX >> 0) & 0xff) + 1);
6784 }
6785
6786 pCurLeaf = pNextLeaf;
6787 }
6788
6789
6790
6791 /*
6792 * Centaur.
6793 */
6794 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
6795
6796 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6797 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
6798 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
6799 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
6800 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
6801 cMax = RT_MAX(cHstMax, cGstMax);
6802 if (cMax >= UINT32_C(0xc0000000))
6803 {
6804 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
6805
6806 /*
6807 * Understandable output
6808 */
6809 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
6810 pHlp->pfnPrintf(pHlp,
6811 "Centaur Supports: 0xc0000000-%#010x\n",
6812 pCurLeaf->uEax);
6813
6814 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
6815 {
6816 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6817 uint32_t uEdxGst = pCurLeaf->uEdx;
6818 uint32_t uEdxHst = Host.uEdx;
6819
6820 if (iVerbosity == 1)
6821 {
6822 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
6823 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
6824 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
6825 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
6826 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
6827 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
6828 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
6829 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
6830 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
6831 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6832 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
6833 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
6834 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
6835 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
6836 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
6837 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
6838 for (unsigned iBit = 14; iBit < 32; iBit++)
6839 if (uEdxGst & RT_BIT(iBit))
6840 pHlp->pfnPrintf(pHlp, " %d", iBit);
6841 pHlp->pfnPrintf(pHlp, "\n");
6842 }
6843 else
6844 {
6845 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
6846 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
6847 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
6848 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
6849 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
6850 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
6851 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
6852 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
6853 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
6854 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6855 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
6856 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
6857 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
6858 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
6859 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
6860 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
6861 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
6862 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
6863 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
6864 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
6865 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
6866 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
6867 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
6868 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
6869 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
6870 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
6871 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
6872 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
6873 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
6874 for (unsigned iBit = 27; iBit < 32; iBit++)
6875 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
6876 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
6877 pHlp->pfnPrintf(pHlp, "\n");
6878 }
6879 }
6880
6881 pCurLeaf = pNextLeaf;
6882 }
6883
6884 /*
6885 * The remainder.
6886 */
6887 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
6888}
6889
6890
6891
6892
6893
6894/*
6895 *
6896 *
6897 * PATM interfaces.
6898 * PATM interfaces.
6899 * PATM interfaces.
6900 *
6901 *
6902 */
6903
6904
6905# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
6906/** @name Patchmanager CPUID legacy table APIs
6907 * @{
6908 */
6909
6910/**
6911 * Gets a pointer to the default CPUID leaf.
6912 *
6913 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
6914 * @param pVM The cross context VM structure.
6915 * @remark Intended for PATM only.
6916 */
6917VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
6918{
6919 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
6920}
6921
6922
6923/**
6924 * Gets a number of standard CPUID leaves (PATM only).
6925 *
6926 * @returns Number of leaves.
6927 * @param pVM The cross context VM structure.
6928 * @remark Intended for PATM - legacy, don't use in new code.
6929 */
6930VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
6931{
6932 RT_NOREF_PV(pVM);
6933 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
6934}
6935
6936
6937/**
6938 * Gets a number of extended CPUID leaves (PATM only).
6939 *
6940 * @returns Number of leaves.
6941 * @param pVM The cross context VM structure.
6942 * @remark Intended for PATM - legacy, don't use in new code.
6943 */
6944VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
6945{
6946 RT_NOREF_PV(pVM);
6947 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
6948}
6949
6950
6951/**
6952 * Gets a number of centaur CPUID leaves.
6953 *
6954 * @returns Number of leaves.
6955 * @param pVM The cross context VM structure.
6956 * @remark Intended for PATM - legacy, don't use in new code.
6957 */
6958VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
6959{
6960 RT_NOREF_PV(pVM);
6961 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
6962}
6963
6964
6965/**
6966 * Gets a pointer to the array of standard CPUID leaves.
6967 *
6968 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
6969 *
6970 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
6971 * @param pVM The cross context VM structure.
6972 * @remark Intended for PATM - legacy, don't use in new code.
6973 */
6974VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
6975{
6976 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
6977}
6978
6979
6980/**
6981 * Gets a pointer to the array of extended CPUID leaves.
6982 *
6983 * CPUMGetGuestCpuIdExtMax() give the size of the array.
6984 *
6985 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
6986 * @param pVM The cross context VM structure.
6987 * @remark Intended for PATM - legacy, don't use in new code.
6988 */
6989VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
6990{
6991 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
6992}
6993
6994
6995/**
6996 * Gets a pointer to the array of centaur CPUID leaves.
6997 *
6998 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
6999 *
7000 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7001 * @param pVM The cross context VM structure.
7002 * @remark Intended for PATM - legacy, don't use in new code.
7003 */
7004VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7005{
7006 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7007}
7008
7009/** @} */
7010# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7011
7012#endif /* VBOX_IN_VMM */
7013
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