VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 70720

Last change on this file since 70720 was 70720, checked in by vboxsync, 7 years ago

VMM/CPUM: Nested Hw.virt: Log when nested hw.virt is disabled when the VM doesn't have nested-paging or unrestricted guest exec. enabled.

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1/* $Id: CPUMR3CpuId.cpp 70720 2018-01-24 04:47:50Z vboxsync $ */
2/** @file
3 * CPUM - CPU ID part.
4 */
5
6/*
7 * Copyright (C) 2013-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_CPUM
23#include <VBox/vmm/cpum.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/hm.h>
26#include <VBox/vmm/ssm.h>
27#include "CPUMInternal.h"
28#include <VBox/vmm/vm.h>
29#include <VBox/vmm/mm.h>
30#include <VBox/sup.h>
31
32#include <VBox/err.h>
33#include <iprt/asm-amd64-x86.h>
34#include <iprt/ctype.h>
35#include <iprt/mem.h>
36#include <iprt/string.h>
37
38
39/*********************************************************************************************************************************
40* Defined Constants And Macros *
41*********************************************************************************************************************************/
42/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
43#define CPUM_CPUID_MAX_LEAVES 2048
44/* Max size we accept for the XSAVE area. */
45#define CPUM_MAX_XSAVE_AREA_SIZE 10240
46/* Min size we accept for the XSAVE area. */
47#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
48
49
50/*********************************************************************************************************************************
51* Global Variables *
52*********************************************************************************************************************************/
53/**
54 * The intel pentium family.
55 */
56static const CPUMMICROARCH g_aenmIntelFamily06[] =
57{
58 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
59 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
60 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
61 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
62 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
63 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
64 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
65 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
66 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
67 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
68 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
69 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
70 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
71 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
72 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
73 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
74 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
75 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
76 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
79 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
80 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
81 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
82 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
83 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
84 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
85 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
86 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
87 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
88 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
89 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
90 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
91 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
92 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
95 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
96 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
97 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
98 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
99 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
100 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
101 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
102 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
103 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
104 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
105 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
106 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
107 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
108 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
111 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
112 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
113 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
114 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
115 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
116 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
117 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
118 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
119 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
120 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
121 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
122 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
123 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
124 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
127 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
128 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
129 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
130 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
131 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
132 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
133 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
134 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
135 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
136 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed */
137 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* unconfirmed, Broadwell-E */
138 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
139 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
140 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
143 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu */
144 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
145 /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
146 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
147 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
148 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
149 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
150 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */
151 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
152 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
153 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */
154 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
155 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
156 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
158 /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown,
159 /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
160 /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
161 /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown,
162 /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown,
163 /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown,
164 /*[106(0x6a)] = */ kCpumMicroarch_Intel_Unknown,
165 /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown,
166 /*[108(0x6c)] = */ kCpumMicroarch_Intel_Unknown,
167 /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown,
168 /*[110(0x6e)] = */ kCpumMicroarch_Intel_Unknown,
169 /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown,
170 /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown,
171 /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown,
172 /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown,
173 /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown,
174 /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown,
175 /*[117(0x75)] = */ kCpumMicroarch_Intel_Unknown,
176 /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown,
177 /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown,
178 /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown,
179 /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown,
180 /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus,
181 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
182 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
183 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
185 /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown,
186 /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown,
187 /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown,
188 /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown,
189 /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown,
190 /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown,
191 /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill,
192 /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown,
193 /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown,
194 /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown,
195 /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown,
196 /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown,
197 /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown,
198 /*[140(0x8c)] = */ kCpumMicroarch_Intel_Unknown,
199 /*[141(0x8d)] = */ kCpumMicroarch_Intel_Unknown,
200 /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
201 /*[143(0x8f)] = */ kCpumMicroarch_Intel_Unknown,
202 /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown,
203 /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown,
204 /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown,
205 /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown,
206 /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown,
207 /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown,
208 /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown,
209 /*[151(0x97)] = */ kCpumMicroarch_Intel_Unknown,
210 /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown,
211 /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown,
212 /*[154(0x9a)] = */ kCpumMicroarch_Intel_Unknown,
213 /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown,
214 /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown,
215 /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown,
216 /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
217 /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown,
218};
219AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0x9f+1);
220
221
222/**
223 * Figures out the (sub-)micro architecture given a bit of CPUID info.
224 *
225 * @returns Micro architecture.
226 * @param enmVendor The CPU vendor .
227 * @param bFamily The CPU family.
228 * @param bModel The CPU model.
229 * @param bStepping The CPU stepping.
230 */
231VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
232 uint8_t bModel, uint8_t bStepping)
233{
234 if (enmVendor == CPUMCPUVENDOR_AMD)
235 {
236 switch (bFamily)
237 {
238 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
239 case 0x03: return kCpumMicroarch_AMD_Am386;
240 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
241 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
242 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
243 case 0x06:
244 switch (bModel)
245 {
246 case 0: return kCpumMicroarch_AMD_K7_Palomino;
247 case 1: return kCpumMicroarch_AMD_K7_Palomino;
248 case 2: return kCpumMicroarch_AMD_K7_Palomino;
249 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
250 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
251 case 6: return kCpumMicroarch_AMD_K7_Palomino;
252 case 7: return kCpumMicroarch_AMD_K7_Morgan;
253 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
254 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
255 }
256 return kCpumMicroarch_AMD_K7_Unknown;
257 case 0x0f:
258 /*
259 * This family is a friggin mess. Trying my best to make some
260 * sense out of it. Too much happened in the 0x0f family to
261 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
262 *
263 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
264 * cpu-world.com, and other places:
265 * - 130nm:
266 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
267 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
268 * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
269 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
270 * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
271 * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
272 * - 90nm:
273 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
274 * - Oakville: 10FC0/DH-D0.
275 * - Georgetown: 10FC0/DH-D0.
276 * - Sonora: 10FC0/DH-D0.
277 * - Venus: 20F71/SH-E4
278 * - Troy: 20F51/SH-E4
279 * - Athens: 20F51/SH-E4
280 * - San Diego: 20F71/SH-E4.
281 * - Lancaster: 20F42/SH-E5
282 * - Newark: 20F42/SH-E5.
283 * - Albany: 20FC2/DH-E6.
284 * - Roma: 20FC2/DH-E6.
285 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
286 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
287 * - 90nm introducing Dual core:
288 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
289 * - Italy: 20F10/JH-E1, 20F12/JH-E6
290 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
291 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
292 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
293 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
294 * - Santa Ana: 40F32/JH-F2, /-F3
295 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
296 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
297 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
298 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
299 * - Keene: 40FC2/DH-F2.
300 * - Richmond: 40FC2/DH-F2
301 * - Taylor: 40F82/BH-F2
302 * - Trinidad: 40F82/BH-F2
303 *
304 * - 65nm:
305 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
306 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
307 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
308 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
309 * - Sherman: /-G1, 70FC2/DH-G2.
310 * - Huron: 70FF2/DH-G2.
311 */
312 if (bModel < 0x10)
313 return kCpumMicroarch_AMD_K8_130nm;
314 if (bModel >= 0x60 && bModel < 0x80)
315 return kCpumMicroarch_AMD_K8_65nm;
316 if (bModel >= 0x40)
317 return kCpumMicroarch_AMD_K8_90nm_AMDV;
318 switch (bModel)
319 {
320 case 0x21:
321 case 0x23:
322 case 0x2b:
323 case 0x2f:
324 case 0x37:
325 case 0x3f:
326 return kCpumMicroarch_AMD_K8_90nm_DualCore;
327 }
328 return kCpumMicroarch_AMD_K8_90nm;
329 case 0x10:
330 return kCpumMicroarch_AMD_K10;
331 case 0x11:
332 return kCpumMicroarch_AMD_K10_Lion;
333 case 0x12:
334 return kCpumMicroarch_AMD_K10_Llano;
335 case 0x14:
336 return kCpumMicroarch_AMD_Bobcat;
337 case 0x15:
338 switch (bModel)
339 {
340 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
341 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
342 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
343 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
344 case 0x11: /* ?? */
345 case 0x12: /* ?? */
346 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
347 }
348 return kCpumMicroarch_AMD_15h_Unknown;
349 case 0x16:
350 return kCpumMicroarch_AMD_Jaguar;
351 case 0x17:
352 return kCpumMicroarch_AMD_Zen_Ryzen;
353 }
354 return kCpumMicroarch_AMD_Unknown;
355 }
356
357 if (enmVendor == CPUMCPUVENDOR_INTEL)
358 {
359 switch (bFamily)
360 {
361 case 3:
362 return kCpumMicroarch_Intel_80386;
363 case 4:
364 return kCpumMicroarch_Intel_80486;
365 case 5:
366 return kCpumMicroarch_Intel_P5;
367 case 6:
368 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
369 {
370 CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
371 if ( enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake
372 && bStepping >= 0xa)
373 enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
374 return enmMicroArch;
375 }
376 return kCpumMicroarch_Intel_Atom_Unknown;
377 case 15:
378 switch (bModel)
379 {
380 case 0: return kCpumMicroarch_Intel_NB_Willamette;
381 case 1: return kCpumMicroarch_Intel_NB_Willamette;
382 case 2: return kCpumMicroarch_Intel_NB_Northwood;
383 case 3: return kCpumMicroarch_Intel_NB_Prescott;
384 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
385 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
386 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
387 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
388 default: return kCpumMicroarch_Intel_NB_Unknown;
389 }
390 break;
391 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
392 case 0:
393 return kCpumMicroarch_Intel_8086;
394 case 1:
395 return kCpumMicroarch_Intel_80186;
396 case 2:
397 return kCpumMicroarch_Intel_80286;
398 }
399 return kCpumMicroarch_Intel_Unknown;
400 }
401
402 if (enmVendor == CPUMCPUVENDOR_VIA)
403 {
404 switch (bFamily)
405 {
406 case 5:
407 switch (bModel)
408 {
409 case 1: return kCpumMicroarch_Centaur_C6;
410 case 4: return kCpumMicroarch_Centaur_C6;
411 case 8: return kCpumMicroarch_Centaur_C2;
412 case 9: return kCpumMicroarch_Centaur_C3;
413 }
414 break;
415
416 case 6:
417 switch (bModel)
418 {
419 case 5: return kCpumMicroarch_VIA_C3_M2;
420 case 6: return kCpumMicroarch_VIA_C3_C5A;
421 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
422 case 8: return kCpumMicroarch_VIA_C3_C5N;
423 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
424 case 10: return kCpumMicroarch_VIA_C7_C5J;
425 case 15: return kCpumMicroarch_VIA_Isaiah;
426 }
427 break;
428 }
429 return kCpumMicroarch_VIA_Unknown;
430 }
431
432 if (enmVendor == CPUMCPUVENDOR_CYRIX)
433 {
434 switch (bFamily)
435 {
436 case 4:
437 switch (bModel)
438 {
439 case 9: return kCpumMicroarch_Cyrix_5x86;
440 }
441 break;
442
443 case 5:
444 switch (bModel)
445 {
446 case 2: return kCpumMicroarch_Cyrix_M1;
447 case 4: return kCpumMicroarch_Cyrix_MediaGX;
448 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
449 }
450 break;
451
452 case 6:
453 switch (bModel)
454 {
455 case 0: return kCpumMicroarch_Cyrix_M2;
456 }
457 break;
458
459 }
460 return kCpumMicroarch_Cyrix_Unknown;
461 }
462
463 return kCpumMicroarch_Unknown;
464}
465
466
467/**
468 * Translates a microarchitecture enum value to the corresponding string
469 * constant.
470 *
471 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
472 * NULL if the value is invalid.
473 *
474 * @param enmMicroarch The enum value to convert.
475 */
476VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
477{
478 switch (enmMicroarch)
479 {
480#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
481 CASE_RET_STR(kCpumMicroarch_Intel_8086);
482 CASE_RET_STR(kCpumMicroarch_Intel_80186);
483 CASE_RET_STR(kCpumMicroarch_Intel_80286);
484 CASE_RET_STR(kCpumMicroarch_Intel_80386);
485 CASE_RET_STR(kCpumMicroarch_Intel_80486);
486 CASE_RET_STR(kCpumMicroarch_Intel_P5);
487
488 CASE_RET_STR(kCpumMicroarch_Intel_P6);
489 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
490 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
491
492 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
493 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
494 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
495
496 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
497 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
498
499 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
500 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
501 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
502 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
503 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
504 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
505 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
506 CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
507 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
508 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
509 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
510 CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
511
512 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
513 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
514 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
515 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
516 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
517 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
518 CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
519 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
520
521 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
522 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
523 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
524 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
525 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
526
527 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
528 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
529 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
530 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
531 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
532 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
533 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
534
535 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
536
537 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
538 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
539 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
540 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
541 CASE_RET_STR(kCpumMicroarch_AMD_K5);
542 CASE_RET_STR(kCpumMicroarch_AMD_K6);
543
544 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
545 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
546 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
547 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
548 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
549 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
550 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
551
552 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
553 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
554 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
555 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
556 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
557
558 CASE_RET_STR(kCpumMicroarch_AMD_K10);
559 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
560 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
561 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
562 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
563
564 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
565 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
566 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
567 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
568 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
569
570 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
571
572 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
573
574 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
575
576 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
577 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
578 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
579 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
580 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
581 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
582 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
583 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
584 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
585 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
586 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
587 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
588 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
589
590 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
591 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
592 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
593 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
594 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
595 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
596
597 CASE_RET_STR(kCpumMicroarch_NEC_V20);
598 CASE_RET_STR(kCpumMicroarch_NEC_V30);
599
600 CASE_RET_STR(kCpumMicroarch_Unknown);
601
602#undef CASE_RET_STR
603 case kCpumMicroarch_Invalid:
604 case kCpumMicroarch_Intel_End:
605 case kCpumMicroarch_Intel_Core2_End:
606 case kCpumMicroarch_Intel_Core7_End:
607 case kCpumMicroarch_Intel_Atom_End:
608 case kCpumMicroarch_Intel_P6_Core_Atom_End:
609 case kCpumMicroarch_Intel_Phi_End:
610 case kCpumMicroarch_Intel_NB_End:
611 case kCpumMicroarch_AMD_K7_End:
612 case kCpumMicroarch_AMD_K8_End:
613 case kCpumMicroarch_AMD_15h_End:
614 case kCpumMicroarch_AMD_16h_End:
615 case kCpumMicroarch_AMD_Zen_End:
616 case kCpumMicroarch_AMD_End:
617 case kCpumMicroarch_VIA_End:
618 case kCpumMicroarch_Cyrix_End:
619 case kCpumMicroarch_NEC_End:
620 case kCpumMicroarch_32BitHack:
621 break;
622 /* no default! */
623 }
624
625 return NULL;
626}
627
628
629/**
630 * Determins the host CPU MXCSR mask.
631 *
632 * @returns MXCSR mask.
633 */
634VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
635{
636 if ( ASMHasCpuId()
637 && ASMIsValidStdRange(ASMCpuId_EAX(0))
638 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
639 {
640 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
641 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
642 RT_ZERO(*pState);
643 ASMFxSave(pState);
644 if (pState->MXCSR_MASK == 0)
645 return 0xffbf;
646 return pState->MXCSR_MASK;
647 }
648 return 0;
649}
650
651
652/**
653 * Gets a matching leaf in the CPUID leaf array.
654 *
655 * @returns Pointer to the matching leaf, or NULL if not found.
656 * @param paLeaves The CPUID leaves to search. This is sorted.
657 * @param cLeaves The number of leaves in the array.
658 * @param uLeaf The leaf to locate.
659 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
660 */
661static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
662{
663 /* Lazy bird does linear lookup here since this is only used for the
664 occational CPUID overrides. */
665 for (uint32_t i = 0; i < cLeaves; i++)
666 if ( paLeaves[i].uLeaf == uLeaf
667 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
668 return &paLeaves[i];
669 return NULL;
670}
671
672
673#ifndef IN_VBOX_CPU_REPORT
674/**
675 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
676 *
677 * @returns true if found, false it not.
678 * @param paLeaves The CPUID leaves to search. This is sorted.
679 * @param cLeaves The number of leaves in the array.
680 * @param uLeaf The leaf to locate.
681 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
682 * @param pLegacy The legacy output leaf.
683 */
684static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
685 PCPUMCPUID pLegacy)
686{
687 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
688 if (pLeaf)
689 {
690 pLegacy->uEax = pLeaf->uEax;
691 pLegacy->uEbx = pLeaf->uEbx;
692 pLegacy->uEcx = pLeaf->uEcx;
693 pLegacy->uEdx = pLeaf->uEdx;
694 return true;
695 }
696 return false;
697}
698#endif /* IN_VBOX_CPU_REPORT */
699
700
701/**
702 * Ensures that the CPUID leaf array can hold one more leaf.
703 *
704 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
705 * failure.
706 * @param pVM The cross context VM structure. If NULL, use
707 * the process heap, otherwise the VM's hyper heap.
708 * @param ppaLeaves Pointer to the variable holding the array pointer
709 * (input/output).
710 * @param cLeaves The current array size.
711 *
712 * @remarks This function will automatically update the R0 and RC pointers when
713 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
714 * be the corresponding VM's CPUID arrays (which is asserted).
715 */
716static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
717{
718 /*
719 * If pVM is not specified, we're on the regular heap and can waste a
720 * little space to speed things up.
721 */
722 uint32_t cAllocated;
723 if (!pVM)
724 {
725 cAllocated = RT_ALIGN(cLeaves, 16);
726 if (cLeaves + 1 > cAllocated)
727 {
728 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
729 if (pvNew)
730 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
731 else
732 {
733 RTMemFree(*ppaLeaves);
734 *ppaLeaves = NULL;
735 }
736 }
737 }
738 /*
739 * Otherwise, we're on the hyper heap and are probably just inserting
740 * one or two leaves and should conserve space.
741 */
742 else
743 {
744#ifdef IN_VBOX_CPU_REPORT
745 AssertReleaseFailed();
746#else
747 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
748 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
749
750 size_t cb = cLeaves * sizeof(**ppaLeaves);
751 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
752 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
753 if (RT_SUCCESS(rc))
754 {
755 /* Update the R0 and RC pointers. */
756 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
757 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
758 }
759 else
760 {
761 *ppaLeaves = NULL;
762 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
763 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
764 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
765 }
766#endif
767 }
768 return *ppaLeaves;
769}
770
771
772/**
773 * Append a CPUID leaf or sub-leaf.
774 *
775 * ASSUMES linear insertion order, so we'll won't need to do any searching or
776 * replace anything. Use cpumR3CpuIdInsert() for those cases.
777 *
778 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
779 * the caller need do no more work.
780 * @param ppaLeaves Pointer to the pointer to the array of sorted
781 * CPUID leaves and sub-leaves.
782 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
783 * @param uLeaf The leaf we're adding.
784 * @param uSubLeaf The sub-leaf number.
785 * @param fSubLeafMask The sub-leaf mask.
786 * @param uEax The EAX value.
787 * @param uEbx The EBX value.
788 * @param uEcx The ECX value.
789 * @param uEdx The EDX value.
790 * @param fFlags The flags.
791 */
792static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
793 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
794 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
795{
796 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
797 return VERR_NO_MEMORY;
798
799 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
800 Assert( *pcLeaves == 0
801 || pNew[-1].uLeaf < uLeaf
802 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
803
804 pNew->uLeaf = uLeaf;
805 pNew->uSubLeaf = uSubLeaf;
806 pNew->fSubLeafMask = fSubLeafMask;
807 pNew->uEax = uEax;
808 pNew->uEbx = uEbx;
809 pNew->uEcx = uEcx;
810 pNew->uEdx = uEdx;
811 pNew->fFlags = fFlags;
812
813 *pcLeaves += 1;
814 return VINF_SUCCESS;
815}
816
817
818/**
819 * Checks that we've updated the CPUID leaves array correctly.
820 *
821 * This is a no-op in non-strict builds.
822 *
823 * @param paLeaves The leaves array.
824 * @param cLeaves The number of leaves.
825 */
826static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
827{
828#ifdef VBOX_STRICT
829 for (uint32_t i = 1; i < cLeaves; i++)
830 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
831 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
832 else
833 {
834 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
835 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
836 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
837 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
838 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
839 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
840 }
841#else
842 NOREF(paLeaves);
843 NOREF(cLeaves);
844#endif
845}
846
847
848/**
849 * Inserts a CPU ID leaf, replacing any existing ones.
850 *
851 * When inserting a simple leaf where we already got a series of sub-leaves with
852 * the same leaf number (eax), the simple leaf will replace the whole series.
853 *
854 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
855 * host-context heap and has only been allocated/reallocated by the
856 * cpumR3CpuIdEnsureSpace function.
857 *
858 * @returns VBox status code.
859 * @param pVM The cross context VM structure. If NULL, use
860 * the process heap, otherwise the VM's hyper heap.
861 * @param ppaLeaves Pointer to the pointer to the array of sorted
862 * CPUID leaves and sub-leaves. Must be NULL if using
863 * the hyper heap.
864 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
865 * be NULL if using the hyper heap.
866 * @param pNewLeaf Pointer to the data of the new leaf we're about to
867 * insert.
868 */
869static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
870{
871 /*
872 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
873 */
874 if (pVM)
875 {
876 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
877 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
878
879 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
880 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
881 }
882
883 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
884 uint32_t cLeaves = *pcLeaves;
885
886 /*
887 * Validate the new leaf a little.
888 */
889 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
890 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
891 VERR_INVALID_FLAGS);
892 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
893 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
894 VERR_INVALID_PARAMETER);
895 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
896 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
897 VERR_INVALID_PARAMETER);
898 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
899 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
900 VERR_INVALID_PARAMETER);
901
902 /*
903 * Find insertion point. The lazy bird uses the same excuse as in
904 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
905 */
906 uint32_t i;
907 if ( cLeaves > 0
908 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
909 {
910 /* Add at end. */
911 i = cLeaves;
912 }
913 else if ( cLeaves > 0
914 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
915 {
916 /* Either replacing the last leaf or dealing with sub-leaves. Spool
917 back to the first sub-leaf to pretend we did the linear search. */
918 i = cLeaves - 1;
919 while ( i > 0
920 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
921 i--;
922 }
923 else
924 {
925 /* Linear search from the start. */
926 i = 0;
927 while ( i < cLeaves
928 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
929 i++;
930 }
931 if ( i < cLeaves
932 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
933 {
934 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
935 {
936 /*
937 * The sub-leaf mask differs, replace all existing leaves with the
938 * same leaf number.
939 */
940 uint32_t c = 1;
941 while ( i + c < cLeaves
942 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
943 c++;
944 if (c > 1 && i + c < cLeaves)
945 {
946 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
947 *pcLeaves = cLeaves -= c - 1;
948 }
949
950 paLeaves[i] = *pNewLeaf;
951 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
952 return VINF_SUCCESS;
953 }
954
955 /* Find sub-leaf insertion point. */
956 while ( i < cLeaves
957 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
958 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
959 i++;
960
961 /*
962 * If we've got an exactly matching leaf, replace it.
963 */
964 if ( i < cLeaves
965 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
966 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
967 {
968 paLeaves[i] = *pNewLeaf;
969 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
970 return VINF_SUCCESS;
971 }
972 }
973
974 /*
975 * Adding a new leaf at 'i'.
976 */
977 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
978 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
979 if (!paLeaves)
980 return VERR_NO_MEMORY;
981
982 if (i < cLeaves)
983 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
984 *pcLeaves += 1;
985 paLeaves[i] = *pNewLeaf;
986
987 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
988 return VINF_SUCCESS;
989}
990
991
992#ifndef IN_VBOX_CPU_REPORT
993/**
994 * Removes a range of CPUID leaves.
995 *
996 * This will not reallocate the array.
997 *
998 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
999 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
1000 * @param uFirst The first leaf.
1001 * @param uLast The last leaf.
1002 */
1003static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1004{
1005 uint32_t cLeaves = *pcLeaves;
1006
1007 Assert(uFirst <= uLast);
1008
1009 /*
1010 * Find the first one.
1011 */
1012 uint32_t iFirst = 0;
1013 while ( iFirst < cLeaves
1014 && paLeaves[iFirst].uLeaf < uFirst)
1015 iFirst++;
1016
1017 /*
1018 * Find the end (last + 1).
1019 */
1020 uint32_t iEnd = iFirst;
1021 while ( iEnd < cLeaves
1022 && paLeaves[iEnd].uLeaf <= uLast)
1023 iEnd++;
1024
1025 /*
1026 * Adjust the array if anything needs removing.
1027 */
1028 if (iFirst < iEnd)
1029 {
1030 if (iEnd < cLeaves)
1031 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1032 *pcLeaves = cLeaves -= (iEnd - iFirst);
1033 }
1034
1035 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1036}
1037#endif /* IN_VBOX_CPU_REPORT */
1038
1039
1040/**
1041 * Checks if ECX make a difference when reading a given CPUID leaf.
1042 *
1043 * @returns @c true if it does, @c false if it doesn't.
1044 * @param uLeaf The leaf we're reading.
1045 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1046 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1047 * final sub-leaf (for leaf 0xb only).
1048 */
1049static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1050{
1051 *pfFinalEcxUnchanged = false;
1052
1053 uint32_t auCur[4];
1054 uint32_t auPrev[4];
1055 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1056
1057 /* Look for sub-leaves. */
1058 uint32_t uSubLeaf = 1;
1059 for (;;)
1060 {
1061 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1062 if (memcmp(auCur, auPrev, sizeof(auCur)))
1063 break;
1064
1065 /* Advance / give up. */
1066 uSubLeaf++;
1067 if (uSubLeaf >= 64)
1068 {
1069 *pcSubLeaves = 1;
1070 return false;
1071 }
1072 }
1073
1074 /* Count sub-leaves. */
1075 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1076 uint32_t cRepeats = 0;
1077 uSubLeaf = 0;
1078 for (;;)
1079 {
1080 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1081
1082 /* Figuring out when to stop isn't entirely straight forward as we need
1083 to cover undocumented behavior up to a point and implementation shortcuts. */
1084
1085 /* 1. Look for more than 4 repeating value sets. */
1086 if ( auCur[0] == auPrev[0]
1087 && auCur[1] == auPrev[1]
1088 && ( auCur[2] == auPrev[2]
1089 || ( auCur[2] == uSubLeaf
1090 && auPrev[2] == uSubLeaf - 1) )
1091 && auCur[3] == auPrev[3])
1092 {
1093 if ( uLeaf != 0xd
1094 || uSubLeaf >= 64
1095 || ( auCur[0] == 0
1096 && auCur[1] == 0
1097 && auCur[2] == 0
1098 && auCur[3] == 0
1099 && auPrev[2] == 0) )
1100 cRepeats++;
1101 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1102 break;
1103 }
1104 else
1105 cRepeats = 0;
1106
1107 /* 2. Look for zero values. */
1108 if ( auCur[0] == 0
1109 && auCur[1] == 0
1110 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1111 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1112 && uSubLeaf >= cMinLeaves)
1113 {
1114 cRepeats = 0;
1115 break;
1116 }
1117
1118 /* 3. Leaf 0xb level type 0 check. */
1119 if ( uLeaf == 0xb
1120 && (auCur[2] & 0xff00) == 0
1121 && (auPrev[2] & 0xff00) == 0)
1122 {
1123 cRepeats = 0;
1124 break;
1125 }
1126
1127 /* 99. Give up. */
1128 if (uSubLeaf >= 128)
1129 {
1130#ifndef IN_VBOX_CPU_REPORT
1131 /* Ok, limit it according to the documentation if possible just to
1132 avoid annoying users with these detection issues. */
1133 uint32_t cDocLimit = UINT32_MAX;
1134 if (uLeaf == 0x4)
1135 cDocLimit = 4;
1136 else if (uLeaf == 0x7)
1137 cDocLimit = 1;
1138 else if (uLeaf == 0xd)
1139 cDocLimit = 63;
1140 else if (uLeaf == 0xf)
1141 cDocLimit = 2;
1142 if (cDocLimit != UINT32_MAX)
1143 {
1144 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1145 *pcSubLeaves = cDocLimit + 3;
1146 return true;
1147 }
1148#endif
1149 *pcSubLeaves = UINT32_MAX;
1150 return true;
1151 }
1152
1153 /* Advance. */
1154 uSubLeaf++;
1155 memcpy(auPrev, auCur, sizeof(auCur));
1156 }
1157
1158 /* Standard exit. */
1159 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1160 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1161 if (*pcSubLeaves == 0)
1162 *pcSubLeaves = 1;
1163 return true;
1164}
1165
1166
1167/**
1168 * Gets a CPU ID leaf.
1169 *
1170 * @returns VBox status code.
1171 * @param pVM The cross context VM structure.
1172 * @param pLeaf Where to store the found leaf.
1173 * @param uLeaf The leaf to locate.
1174 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1175 */
1176VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1177{
1178 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1179 uLeaf, uSubLeaf);
1180 if (pcLeaf)
1181 {
1182 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1183 return VINF_SUCCESS;
1184 }
1185
1186 return VERR_NOT_FOUND;
1187}
1188
1189
1190/**
1191 * Inserts a CPU ID leaf, replacing any existing ones.
1192 *
1193 * @returns VBox status code.
1194 * @param pVM The cross context VM structure.
1195 * @param pNewLeaf Pointer to the leaf being inserted.
1196 */
1197VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1198{
1199 /*
1200 * Validate parameters.
1201 */
1202 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1203 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1204
1205 /*
1206 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1207 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1208 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1209 */
1210 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1211 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1212 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1213 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1214 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1215 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1216 {
1217 return VERR_NOT_SUPPORTED;
1218 }
1219
1220 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1221}
1222
1223/**
1224 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1225 *
1226 * @returns VBox status code.
1227 * @param ppaLeaves Where to return the array pointer on success.
1228 * Use RTMemFree to release.
1229 * @param pcLeaves Where to return the size of the array on
1230 * success.
1231 */
1232VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1233{
1234 *ppaLeaves = NULL;
1235 *pcLeaves = 0;
1236
1237 /*
1238 * Try out various candidates. This must be sorted!
1239 */
1240 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1241 {
1242 { UINT32_C(0x00000000), false },
1243 { UINT32_C(0x10000000), false },
1244 { UINT32_C(0x20000000), false },
1245 { UINT32_C(0x30000000), false },
1246 { UINT32_C(0x40000000), false },
1247 { UINT32_C(0x50000000), false },
1248 { UINT32_C(0x60000000), false },
1249 { UINT32_C(0x70000000), false },
1250 { UINT32_C(0x80000000), false },
1251 { UINT32_C(0x80860000), false },
1252 { UINT32_C(0x8ffffffe), true },
1253 { UINT32_C(0x8fffffff), true },
1254 { UINT32_C(0x90000000), false },
1255 { UINT32_C(0xa0000000), false },
1256 { UINT32_C(0xb0000000), false },
1257 { UINT32_C(0xc0000000), false },
1258 { UINT32_C(0xd0000000), false },
1259 { UINT32_C(0xe0000000), false },
1260 { UINT32_C(0xf0000000), false },
1261 };
1262
1263 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1264 {
1265 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1266 uint32_t uEax, uEbx, uEcx, uEdx;
1267 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1268
1269 /*
1270 * Does EAX look like a typical leaf count value?
1271 */
1272 if ( uEax > uLeaf
1273 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1274 {
1275 /* Yes, dump them. */
1276 uint32_t cLeaves = uEax - uLeaf + 1;
1277 while (cLeaves-- > 0)
1278 {
1279 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1280
1281 uint32_t fFlags = 0;
1282
1283 /* There are currently three known leaves containing an APIC ID
1284 that needs EMT specific attention */
1285 if (uLeaf == 1)
1286 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1287 else if (uLeaf == 0xb && uEcx != 0)
1288 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1289 else if ( uLeaf == UINT32_C(0x8000001e)
1290 && ( uEax
1291 || uEbx
1292 || uEdx
1293 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1294 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1295
1296 /* The APIC bit is per-VCpu and needs flagging. */
1297 if (uLeaf == 1)
1298 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1299 else if ( uLeaf == UINT32_C(0x80000001)
1300 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1301 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1302 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1303
1304 /* Check three times here to reduce the chance of CPU migration
1305 resulting in false positives with things like the APIC ID. */
1306 uint32_t cSubLeaves;
1307 bool fFinalEcxUnchanged;
1308 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1309 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1310 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1311 {
1312 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1313 {
1314 /* This shouldn't happen. But in case it does, file all
1315 relevant details in the release log. */
1316 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1317 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1318 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1319 {
1320 uint32_t auTmp[4];
1321 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1322 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1323 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1324 }
1325 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1326 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1327 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1328 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1329 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1330 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1331 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1332 }
1333
1334 if (fFinalEcxUnchanged)
1335 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1336
1337 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1338 {
1339 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1340 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1341 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1342 if (RT_FAILURE(rc))
1343 return rc;
1344 }
1345 }
1346 else
1347 {
1348 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1349 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1350 if (RT_FAILURE(rc))
1351 return rc;
1352 }
1353
1354 /* next */
1355 uLeaf++;
1356 }
1357 }
1358 /*
1359 * Special CPUIDs needs special handling as they don't follow the
1360 * leaf count principle used above.
1361 */
1362 else if (s_aCandidates[iOuter].fSpecial)
1363 {
1364 bool fKeep = false;
1365 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1366 fKeep = true;
1367 else if ( uLeaf == 0x8fffffff
1368 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1369 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1370 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1371 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1372 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1373 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1374 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1375 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1376 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1377 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1378 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1379 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1380 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1381 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1382 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1383 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1384 fKeep = true;
1385 if (fKeep)
1386 {
1387 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1388 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1389 if (RT_FAILURE(rc))
1390 return rc;
1391 }
1392 }
1393 }
1394
1395 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1396 return VINF_SUCCESS;
1397}
1398
1399
1400/**
1401 * Determines the method the CPU uses to handle unknown CPUID leaves.
1402 *
1403 * @returns VBox status code.
1404 * @param penmUnknownMethod Where to return the method.
1405 * @param pDefUnknown Where to return default unknown values. This
1406 * will be set, even if the resulting method
1407 * doesn't actually needs it.
1408 */
1409VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1410{
1411 uint32_t uLastStd = ASMCpuId_EAX(0);
1412 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1413 if (!ASMIsValidExtRange(uLastExt))
1414 uLastExt = 0x80000000;
1415
1416 uint32_t auChecks[] =
1417 {
1418 uLastStd + 1,
1419 uLastStd + 5,
1420 uLastStd + 8,
1421 uLastStd + 32,
1422 uLastStd + 251,
1423 uLastExt + 1,
1424 uLastExt + 8,
1425 uLastExt + 15,
1426 uLastExt + 63,
1427 uLastExt + 255,
1428 0x7fbbffcc,
1429 0x833f7872,
1430 0xefff2353,
1431 0x35779456,
1432 0x1ef6d33e,
1433 };
1434
1435 static const uint32_t s_auValues[] =
1436 {
1437 0xa95d2156,
1438 0x00000001,
1439 0x00000002,
1440 0x00000008,
1441 0x00000000,
1442 0x55773399,
1443 0x93401769,
1444 0x12039587,
1445 };
1446
1447 /*
1448 * Simple method, all zeros.
1449 */
1450 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1451 pDefUnknown->uEax = 0;
1452 pDefUnknown->uEbx = 0;
1453 pDefUnknown->uEcx = 0;
1454 pDefUnknown->uEdx = 0;
1455
1456 /*
1457 * Intel has been observed returning the last standard leaf.
1458 */
1459 uint32_t auLast[4];
1460 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1461
1462 uint32_t cChecks = RT_ELEMENTS(auChecks);
1463 while (cChecks > 0)
1464 {
1465 uint32_t auCur[4];
1466 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1467 if (memcmp(auCur, auLast, sizeof(auCur)))
1468 break;
1469 cChecks--;
1470 }
1471 if (cChecks == 0)
1472 {
1473 /* Now, what happens when the input changes? Esp. ECX. */
1474 uint32_t cTotal = 0;
1475 uint32_t cSame = 0;
1476 uint32_t cLastWithEcx = 0;
1477 uint32_t cNeither = 0;
1478 uint32_t cValues = RT_ELEMENTS(s_auValues);
1479 while (cValues > 0)
1480 {
1481 uint32_t uValue = s_auValues[cValues - 1];
1482 uint32_t auLastWithEcx[4];
1483 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1484 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1485
1486 cChecks = RT_ELEMENTS(auChecks);
1487 while (cChecks > 0)
1488 {
1489 uint32_t auCur[4];
1490 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1491 if (!memcmp(auCur, auLast, sizeof(auCur)))
1492 {
1493 cSame++;
1494 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1495 cLastWithEcx++;
1496 }
1497 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1498 cLastWithEcx++;
1499 else
1500 cNeither++;
1501 cTotal++;
1502 cChecks--;
1503 }
1504 cValues--;
1505 }
1506
1507 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1508 if (cSame == cTotal)
1509 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1510 else if (cLastWithEcx == cTotal)
1511 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1512 else
1513 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1514 pDefUnknown->uEax = auLast[0];
1515 pDefUnknown->uEbx = auLast[1];
1516 pDefUnknown->uEcx = auLast[2];
1517 pDefUnknown->uEdx = auLast[3];
1518 return VINF_SUCCESS;
1519 }
1520
1521 /*
1522 * Unchanged register values?
1523 */
1524 cChecks = RT_ELEMENTS(auChecks);
1525 while (cChecks > 0)
1526 {
1527 uint32_t const uLeaf = auChecks[cChecks - 1];
1528 uint32_t cValues = RT_ELEMENTS(s_auValues);
1529 while (cValues > 0)
1530 {
1531 uint32_t uValue = s_auValues[cValues - 1];
1532 uint32_t auCur[4];
1533 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1534 if ( auCur[0] != uLeaf
1535 || auCur[1] != uValue
1536 || auCur[2] != uValue
1537 || auCur[3] != uValue)
1538 break;
1539 cValues--;
1540 }
1541 if (cValues != 0)
1542 break;
1543 cChecks--;
1544 }
1545 if (cChecks == 0)
1546 {
1547 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1548 return VINF_SUCCESS;
1549 }
1550
1551 /*
1552 * Just go with the simple method.
1553 */
1554 return VINF_SUCCESS;
1555}
1556
1557
1558/**
1559 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1560 *
1561 * @returns Read only name string.
1562 * @param enmUnknownMethod The method to translate.
1563 */
1564VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1565{
1566 switch (enmUnknownMethod)
1567 {
1568 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1569 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1570 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1571 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1572
1573 case CPUMUNKNOWNCPUID_INVALID:
1574 case CPUMUNKNOWNCPUID_END:
1575 case CPUMUNKNOWNCPUID_32BIT_HACK:
1576 break;
1577 }
1578 return "Invalid-unknown-CPUID-method";
1579}
1580
1581
1582/**
1583 * Detect the CPU vendor give n the
1584 *
1585 * @returns The vendor.
1586 * @param uEAX EAX from CPUID(0).
1587 * @param uEBX EBX from CPUID(0).
1588 * @param uECX ECX from CPUID(0).
1589 * @param uEDX EDX from CPUID(0).
1590 */
1591VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1592{
1593 if (ASMIsValidStdRange(uEAX))
1594 {
1595 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1596 return CPUMCPUVENDOR_AMD;
1597
1598 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1599 return CPUMCPUVENDOR_INTEL;
1600
1601 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1602 return CPUMCPUVENDOR_VIA;
1603
1604 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1605 && uECX == UINT32_C(0x64616574)
1606 && uEDX == UINT32_C(0x736E4978))
1607 return CPUMCPUVENDOR_CYRIX;
1608
1609 /* "Geode by NSC", example: family 5, model 9. */
1610
1611 /** @todo detect the other buggers... */
1612 }
1613
1614 return CPUMCPUVENDOR_UNKNOWN;
1615}
1616
1617
1618/**
1619 * Translates a CPU vendor enum value into the corresponding string constant.
1620 *
1621 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1622 * value name. This can be useful when generating code.
1623 *
1624 * @returns Read only name string.
1625 * @param enmVendor The CPU vendor value.
1626 */
1627VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1628{
1629 switch (enmVendor)
1630 {
1631 case CPUMCPUVENDOR_INTEL: return "INTEL";
1632 case CPUMCPUVENDOR_AMD: return "AMD";
1633 case CPUMCPUVENDOR_VIA: return "VIA";
1634 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1635 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1636
1637 case CPUMCPUVENDOR_INVALID:
1638 case CPUMCPUVENDOR_32BIT_HACK:
1639 break;
1640 }
1641 return "Invalid-cpu-vendor";
1642}
1643
1644
1645static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1646{
1647 /* Could do binary search, doing linear now because I'm lazy. */
1648 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1649 while (cLeaves-- > 0)
1650 {
1651 if (pLeaf->uLeaf == uLeaf)
1652 return pLeaf;
1653 pLeaf++;
1654 }
1655 return NULL;
1656}
1657
1658
1659static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1660{
1661 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1662 if ( !pLeaf
1663 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1664 return pLeaf;
1665
1666 /* Linear sub-leaf search. Lazy as usual. */
1667 cLeaves -= pLeaf - paLeaves;
1668 while ( cLeaves-- > 0
1669 && pLeaf->uLeaf == uLeaf)
1670 {
1671 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1672 return pLeaf;
1673 pLeaf++;
1674 }
1675
1676 return NULL;
1677}
1678
1679
1680int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1681{
1682 RT_ZERO(*pFeatures);
1683 if (cLeaves >= 2)
1684 {
1685 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1686 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1687 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1688 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1689 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1690 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1691
1692 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1693 pStd0Leaf->uEbx,
1694 pStd0Leaf->uEcx,
1695 pStd0Leaf->uEdx);
1696 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1697 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1698 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1699 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1700 pFeatures->uFamily,
1701 pFeatures->uModel,
1702 pFeatures->uStepping);
1703
1704 PCCPUMCPUIDLEAF const pExtLeaf8 = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1705 if (pExtLeaf8)
1706 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1707 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1708 pFeatures->cMaxPhysAddrWidth = 36;
1709 else
1710 pFeatures->cMaxPhysAddrWidth = 32;
1711
1712 /* Standard features. */
1713 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1714 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1715 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1716 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1717 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1718 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1719 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1720 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1721 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1722 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1723 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1724 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1725 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1726 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1727 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1728 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1729 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1730 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1731 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1732 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1733 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1734 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1735 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1736 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1737 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1738
1739 /* Structured extended features. */
1740 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1741 if (pSxfLeaf0)
1742 {
1743 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1744 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1745 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1746 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1747 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1748
1749 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1750 pFeatures->fIbrs = pFeatures->fIbpb;
1751 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1752 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1753 }
1754
1755 /* MWAIT/MONITOR leaf. */
1756 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1757 if (pMWaitLeaf)
1758 {
1759 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1760 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1761 }
1762
1763 /* Extended features. */
1764 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1765 if (pExtLeaf)
1766 {
1767 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1768 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1769 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1770 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1771 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1772 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1773 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1774 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1775 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1776 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1777 }
1778
1779 if ( pExtLeaf
1780 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1781 {
1782 /* AMD features. */
1783 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1784 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1785 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1786 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1787 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1788 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1789 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1790 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1791 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1792 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1793 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1794 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1795 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1796 if (pFeatures->fSvm)
1797 {
1798 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1799 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1800 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1801 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1802 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1803 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1804 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1805 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1806 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1807 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1808 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1809 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1810 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1811 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1812 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1813 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1814 }
1815 }
1816
1817 /*
1818 * Quirks.
1819 */
1820 pFeatures->fLeakyFxSR = pExtLeaf
1821 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1822 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1823 && pFeatures->uFamily >= 6 /* K7 and up */;
1824
1825 /*
1826 * Max extended (/FPU) state.
1827 */
1828 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1829 if (pFeatures->fXSaveRstor)
1830 {
1831 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1832 if (pXStateLeaf0)
1833 {
1834 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1835 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1836 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1837 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1838 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1839 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1840 {
1841 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1842
1843 /* (paranoia:) */
1844 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1845 if ( pXStateLeaf1
1846 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1847 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1848 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1849 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1850 }
1851 else
1852 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1853 pFeatures->fXSaveRstor = 0);
1854 }
1855 else
1856 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1857 pFeatures->fXSaveRstor = 0);
1858 }
1859 }
1860 else
1861 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1862 return VINF_SUCCESS;
1863}
1864
1865
1866/*
1867 *
1868 * Init related code.
1869 * Init related code.
1870 * Init related code.
1871 *
1872 *
1873 */
1874#ifdef VBOX_IN_VMM
1875
1876
1877/**
1878 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1879 *
1880 * This ignores the fSubLeafMask.
1881 *
1882 * @returns Pointer to the matching leaf, or NULL if not found.
1883 * @param paLeaves The CPUID leaves to search. This is sorted.
1884 * @param cLeaves The number of leaves in the array.
1885 * @param uLeaf The leaf to locate.
1886 * @param uSubLeaf The subleaf to locate.
1887 */
1888static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1889{
1890 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1891 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1892 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1893 if (iEnd)
1894 {
1895 uint32_t iBegin = 0;
1896 for (;;)
1897 {
1898 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1899 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1900 if (uNeedle < uCur)
1901 {
1902 if (i > iBegin)
1903 iEnd = i;
1904 else
1905 break;
1906 }
1907 else if (uNeedle > uCur)
1908 {
1909 if (i + 1 < iEnd)
1910 iBegin = i + 1;
1911 else
1912 break;
1913 }
1914 else
1915 return &paLeaves[i];
1916 }
1917 }
1918 return NULL;
1919}
1920
1921
1922/**
1923 * Loads MSR range overrides.
1924 *
1925 * This must be called before the MSR ranges are moved from the normal heap to
1926 * the hyper heap!
1927 *
1928 * @returns VBox status code (VMSetError called).
1929 * @param pVM The cross context VM structure.
1930 * @param pMsrNode The CFGM node with the MSR overrides.
1931 */
1932static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1933{
1934 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1935 {
1936 /*
1937 * Assemble a valid MSR range.
1938 */
1939 CPUMMSRRANGE MsrRange;
1940 MsrRange.offCpumCpu = 0;
1941 MsrRange.fReserved = 0;
1942
1943 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1944 if (RT_FAILURE(rc))
1945 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1946
1947 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1948 if (RT_FAILURE(rc))
1949 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1950 MsrRange.szName, rc);
1951
1952 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1953 if (RT_FAILURE(rc))
1954 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1955 MsrRange.szName, rc);
1956
1957 char szType[32];
1958 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1959 if (RT_FAILURE(rc))
1960 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1961 MsrRange.szName, rc);
1962 if (!RTStrICmp(szType, "FixedValue"))
1963 {
1964 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1965 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1966
1967 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1968 if (RT_FAILURE(rc))
1969 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1970 MsrRange.szName, rc);
1971
1972 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1973 if (RT_FAILURE(rc))
1974 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1975 MsrRange.szName, rc);
1976
1977 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1978 if (RT_FAILURE(rc))
1979 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1980 MsrRange.szName, rc);
1981 }
1982 else
1983 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1984 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1985
1986 /*
1987 * Insert the range into the table (replaces/splits/shrinks existing
1988 * MSR ranges).
1989 */
1990 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1991 &MsrRange);
1992 if (RT_FAILURE(rc))
1993 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1994 }
1995
1996 return VINF_SUCCESS;
1997}
1998
1999
2000/**
2001 * Loads CPUID leaf overrides.
2002 *
2003 * This must be called before the CPUID leaves are moved from the normal
2004 * heap to the hyper heap!
2005 *
2006 * @returns VBox status code (VMSetError called).
2007 * @param pVM The cross context VM structure.
2008 * @param pParentNode The CFGM node with the CPUID leaves.
2009 * @param pszLabel How to label the overrides we're loading.
2010 */
2011static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2012{
2013 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2014 {
2015 /*
2016 * Get the leaf and subleaf numbers.
2017 */
2018 char szName[128];
2019 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2020 if (RT_FAILURE(rc))
2021 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2022
2023 /* The leaf number is either specified directly or thru the node name. */
2024 uint32_t uLeaf;
2025 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2026 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2027 {
2028 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2029 if (rc != VINF_SUCCESS)
2030 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2031 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2032 }
2033 else if (RT_FAILURE(rc))
2034 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2035 pszLabel, szName, rc);
2036
2037 uint32_t uSubLeaf;
2038 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2039 if (RT_FAILURE(rc))
2040 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2041 pszLabel, szName, rc);
2042
2043 uint32_t fSubLeafMask;
2044 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2045 if (RT_FAILURE(rc))
2046 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2047 pszLabel, szName, rc);
2048
2049 /*
2050 * Look up the specified leaf, since the output register values
2051 * defaults to any existing values. This allows overriding a single
2052 * register, without needing to know the other values.
2053 */
2054 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2055 CPUMCPUIDLEAF Leaf;
2056 if (pLeaf)
2057 Leaf = *pLeaf;
2058 else
2059 RT_ZERO(Leaf);
2060 Leaf.uLeaf = uLeaf;
2061 Leaf.uSubLeaf = uSubLeaf;
2062 Leaf.fSubLeafMask = fSubLeafMask;
2063
2064 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2065 if (RT_FAILURE(rc))
2066 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2067 pszLabel, szName, rc);
2068 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2069 if (RT_FAILURE(rc))
2070 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2071 pszLabel, szName, rc);
2072 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2073 if (RT_FAILURE(rc))
2074 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2075 pszLabel, szName, rc);
2076 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2077 if (RT_FAILURE(rc))
2078 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2079 pszLabel, szName, rc);
2080
2081 /*
2082 * Insert the leaf into the table (replaces existing ones).
2083 */
2084 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2085 &Leaf);
2086 if (RT_FAILURE(rc))
2087 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2088 }
2089
2090 return VINF_SUCCESS;
2091}
2092
2093
2094
2095/**
2096 * Fetches overrides for a CPUID leaf.
2097 *
2098 * @returns VBox status code.
2099 * @param pLeaf The leaf to load the overrides into.
2100 * @param pCfgNode The CFGM node containing the overrides
2101 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2102 * @param iLeaf The CPUID leaf number.
2103 */
2104static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2105{
2106 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2107 if (pLeafNode)
2108 {
2109 uint32_t u32;
2110 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2111 if (RT_SUCCESS(rc))
2112 pLeaf->uEax = u32;
2113 else
2114 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2115
2116 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2117 if (RT_SUCCESS(rc))
2118 pLeaf->uEbx = u32;
2119 else
2120 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2121
2122 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2123 if (RT_SUCCESS(rc))
2124 pLeaf->uEcx = u32;
2125 else
2126 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2127
2128 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2129 if (RT_SUCCESS(rc))
2130 pLeaf->uEdx = u32;
2131 else
2132 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2133
2134 }
2135 return VINF_SUCCESS;
2136}
2137
2138
2139/**
2140 * Load the overrides for a set of CPUID leaves.
2141 *
2142 * @returns VBox status code.
2143 * @param paLeaves The leaf array.
2144 * @param cLeaves The number of leaves.
2145 * @param uStart The start leaf number.
2146 * @param pCfgNode The CFGM node containing the overrides
2147 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2148 */
2149static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2150{
2151 for (uint32_t i = 0; i < cLeaves; i++)
2152 {
2153 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2154 if (RT_FAILURE(rc))
2155 return rc;
2156 }
2157
2158 return VINF_SUCCESS;
2159}
2160
2161
2162/**
2163 * Installs the CPUID leaves and explods the data into structures like
2164 * GuestFeatures and CPUMCTX::aoffXState.
2165 *
2166 * @returns VBox status code.
2167 * @param pVM The cross context VM structure.
2168 * @param pCpum The CPUM part of @a VM.
2169 * @param paLeaves The leaves. These will be copied (but not freed).
2170 * @param cLeaves The number of leaves.
2171 */
2172static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2173{
2174 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2175
2176 /*
2177 * Install the CPUID information.
2178 */
2179 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2180 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2181
2182 AssertLogRelRCReturn(rc, rc);
2183 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2184 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2185 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2186 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2187 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2188
2189 /*
2190 * Update the default CPUID leaf if necessary.
2191 */
2192 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2193 {
2194 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2195 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2196 {
2197 /* We don't use CPUID(0).eax here because of the NT hack that only
2198 changes that value without actually removing any leaves. */
2199 uint32_t i = 0;
2200 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2201 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2202 {
2203 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2204 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2205 i++;
2206 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2207 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2208 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2209 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2210 }
2211 break;
2212 }
2213 default:
2214 break;
2215 }
2216
2217 /*
2218 * Explode the guest CPU features.
2219 */
2220 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2221 AssertLogRelRCReturn(rc, rc);
2222
2223 /*
2224 * Adjust the scalable bus frequency according to the CPUID information
2225 * we're now using.
2226 */
2227 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2228 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2229 ? UINT64_C(100000000) /* 100MHz */
2230 : UINT64_C(133333333); /* 133MHz */
2231
2232 /*
2233 * Populate the legacy arrays. Currently used for everything, later only
2234 * for patch manager.
2235 */
2236 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2237 {
2238 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2239 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2240 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2241 };
2242 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2243 {
2244 uint32_t cLeft = aOldRanges[i].cCpuIds;
2245 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2246 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2247 while (cLeft-- > 0)
2248 {
2249 uLeaf--;
2250 pLegacyLeaf--;
2251
2252 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2253 if (pLeaf)
2254 {
2255 pLegacyLeaf->uEax = pLeaf->uEax;
2256 pLegacyLeaf->uEbx = pLeaf->uEbx;
2257 pLegacyLeaf->uEcx = pLeaf->uEcx;
2258 pLegacyLeaf->uEdx = pLeaf->uEdx;
2259 }
2260 else
2261 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2262 }
2263 }
2264
2265 /*
2266 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2267 */
2268 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2269 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2270 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2271 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2272 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2273 {
2274 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2275 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2276 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2277 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2278 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2279 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2280 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2281 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2282 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2283 pCpum->GuestFeatures.cbMaxExtendedState),
2284 VERR_CPUM_IPE_1);
2285 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2286 }
2287 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2288
2289 /* Copy the CPU #0 data to the other CPUs. */
2290 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2291 {
2292 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2293 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2294 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2295 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2296 }
2297
2298 return VINF_SUCCESS;
2299}
2300
2301
2302/** @name Instruction Set Extension Options
2303 * @{ */
2304/** Configuration option type (extended boolean, really). */
2305typedef uint8_t CPUMISAEXTCFG;
2306/** Always disable the extension. */
2307#define CPUMISAEXTCFG_DISABLED false
2308/** Enable the extension if it's supported by the host CPU. */
2309#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2310/** Enable the extension if it's supported by the host CPU, but don't let
2311 * the portable CPUID feature disable it. */
2312#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2313/** Always enable the extension. */
2314#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2315/** @} */
2316
2317/**
2318 * CPUID Configuration (from CFGM).
2319 *
2320 * @remarks The members aren't document since we would only be duplicating the
2321 * \@cfgm entries in cpumR3CpuIdReadConfig.
2322 */
2323typedef struct CPUMCPUIDCONFIG
2324{
2325 bool fNt4LeafLimit;
2326 bool fInvariantTsc;
2327 bool fForceVme;
2328 bool fNestedHWVirt;
2329
2330 CPUMISAEXTCFG enmCmpXchg16b;
2331 CPUMISAEXTCFG enmMonitor;
2332 CPUMISAEXTCFG enmMWaitExtensions;
2333 CPUMISAEXTCFG enmSse41;
2334 CPUMISAEXTCFG enmSse42;
2335 CPUMISAEXTCFG enmAvx;
2336 CPUMISAEXTCFG enmAvx2;
2337 CPUMISAEXTCFG enmXSave;
2338 CPUMISAEXTCFG enmAesNi;
2339 CPUMISAEXTCFG enmPClMul;
2340 CPUMISAEXTCFG enmPopCnt;
2341 CPUMISAEXTCFG enmMovBe;
2342 CPUMISAEXTCFG enmRdRand;
2343 CPUMISAEXTCFG enmRdSeed;
2344 CPUMISAEXTCFG enmCLFlushOpt;
2345 CPUMISAEXTCFG enmFsGsBase;
2346 CPUMISAEXTCFG enmPcid;
2347 CPUMISAEXTCFG enmInvpcid;
2348
2349 CPUMISAEXTCFG enmAbm;
2350 CPUMISAEXTCFG enmSse4A;
2351 CPUMISAEXTCFG enmMisAlnSse;
2352 CPUMISAEXTCFG enm3dNowPrf;
2353 CPUMISAEXTCFG enmAmdExtMmx;
2354
2355 uint32_t uMaxStdLeaf;
2356 uint32_t uMaxExtLeaf;
2357 uint32_t uMaxCentaurLeaf;
2358 uint32_t uMaxIntelFamilyModelStep;
2359 char szCpuName[128];
2360} CPUMCPUIDCONFIG;
2361/** Pointer to CPUID config (from CFGM). */
2362typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2363
2364
2365/**
2366 * Mini CPU selection support for making Mac OS X happy.
2367 *
2368 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2369 *
2370 * @param pCpum The CPUM instance data.
2371 * @param pConfig The CPUID configuration we've read from CFGM.
2372 */
2373static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2374{
2375 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2376 {
2377 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2378 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2379 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2380 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2381 0);
2382 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2383 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2384 {
2385 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2386 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2387 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2388 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2389 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2390 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2391 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2392 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2393 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2394 pStdFeatureLeaf->uEax = uNew;
2395 }
2396 }
2397}
2398
2399
2400
2401/**
2402 * Limit it the number of entries, zapping the remainder.
2403 *
2404 * The limits are masking off stuff about power saving and similar, this
2405 * is perhaps a bit crudely done as there is probably some relatively harmless
2406 * info too in these leaves (like words about having a constant TSC).
2407 *
2408 * @param pCpum The CPUM instance data.
2409 * @param pConfig The CPUID configuration we've read from CFGM.
2410 */
2411static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2412{
2413 /*
2414 * Standard leaves.
2415 */
2416 uint32_t uSubLeaf = 0;
2417 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2418 if (pCurLeaf)
2419 {
2420 uint32_t uLimit = pCurLeaf->uEax;
2421 if (uLimit <= UINT32_C(0x000fffff))
2422 {
2423 if (uLimit > pConfig->uMaxStdLeaf)
2424 {
2425 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2426 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2427 uLimit + 1, UINT32_C(0x000fffff));
2428 }
2429
2430 /* NT4 hack, no zapping of extra leaves here. */
2431 if (pConfig->fNt4LeafLimit && uLimit > 3)
2432 pCurLeaf->uEax = uLimit = 3;
2433
2434 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2435 pCurLeaf->uEax = uLimit;
2436 }
2437 else
2438 {
2439 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2440 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2441 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2442 }
2443 }
2444
2445 /*
2446 * Extended leaves.
2447 */
2448 uSubLeaf = 0;
2449 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2450 if (pCurLeaf)
2451 {
2452 uint32_t uLimit = pCurLeaf->uEax;
2453 if ( uLimit >= UINT32_C(0x80000000)
2454 && uLimit <= UINT32_C(0x800fffff))
2455 {
2456 if (uLimit > pConfig->uMaxExtLeaf)
2457 {
2458 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2459 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2460 uLimit + 1, UINT32_C(0x800fffff));
2461 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2462 pCurLeaf->uEax = uLimit;
2463 }
2464 }
2465 else
2466 {
2467 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2468 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2469 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2470 }
2471 }
2472
2473 /*
2474 * Centaur leaves (VIA).
2475 */
2476 uSubLeaf = 0;
2477 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2478 if (pCurLeaf)
2479 {
2480 uint32_t uLimit = pCurLeaf->uEax;
2481 if ( uLimit >= UINT32_C(0xc0000000)
2482 && uLimit <= UINT32_C(0xc00fffff))
2483 {
2484 if (uLimit > pConfig->uMaxCentaurLeaf)
2485 {
2486 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2487 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2488 uLimit + 1, UINT32_C(0xcfffffff));
2489 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2490 pCurLeaf->uEax = uLimit;
2491 }
2492 }
2493 else
2494 {
2495 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2496 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2497 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2498 }
2499 }
2500}
2501
2502
2503/**
2504 * Clears a CPUID leaf and all sub-leaves (to zero).
2505 *
2506 * @param pCpum The CPUM instance data.
2507 * @param uLeaf The leaf to clear.
2508 */
2509static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2510{
2511 uint32_t uSubLeaf = 0;
2512 PCPUMCPUIDLEAF pCurLeaf;
2513 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2514 {
2515 pCurLeaf->uEax = 0;
2516 pCurLeaf->uEbx = 0;
2517 pCurLeaf->uEcx = 0;
2518 pCurLeaf->uEdx = 0;
2519 uSubLeaf++;
2520 }
2521}
2522
2523
2524/**
2525 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2526 * the given leaf.
2527 *
2528 * @returns pLeaf.
2529 * @param pCpum The CPUM instance data.
2530 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2531 */
2532static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2533{
2534 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2535 if (pLeaf->fSubLeafMask != 0)
2536 {
2537 /*
2538 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2539 * Log everything while we're at it.
2540 */
2541 LogRel(("CPUM:\n"
2542 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2543 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2544 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2545 for (;;)
2546 {
2547 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2548 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2549 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2550 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2551 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2552 break;
2553 pSubLeaf++;
2554 }
2555 LogRel(("CPUM:\n"));
2556
2557 /*
2558 * Remove the offending sub-leaves.
2559 */
2560 if (pSubLeaf != pLeaf)
2561 {
2562 if (pSubLeaf != pLast)
2563 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2564 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2565 }
2566
2567 /*
2568 * Convert the first sub-leaf into a single leaf.
2569 */
2570 pLeaf->uSubLeaf = 0;
2571 pLeaf->fSubLeafMask = 0;
2572 }
2573 return pLeaf;
2574}
2575
2576
2577/**
2578 * Sanitizes and adjust the CPUID leaves.
2579 *
2580 * Drop features that aren't virtualized (or virtualizable). Adjust information
2581 * and capabilities to fit the virtualized hardware. Remove information the
2582 * guest shouldn't have (because it's wrong in the virtual world or because it
2583 * gives away host details) or that we don't have documentation for and no idea
2584 * what means.
2585 *
2586 * @returns VBox status code.
2587 * @param pVM The cross context VM structure (for cCpus).
2588 * @param pCpum The CPUM instance data.
2589 * @param pConfig The CPUID configuration we've read from CFGM.
2590 */
2591static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2592{
2593#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2594 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2595 { \
2596 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2597 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2598 }
2599#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2600 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2601 { \
2602 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2603 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2604 }
2605#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2606 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2607 && ((a_pLeafReg) & (fBitMask)) \
2608 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2609 { \
2610 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2611 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2612 }
2613 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2614
2615 /* Cpuid 1:
2616 * EAX: CPU model, family and stepping.
2617 *
2618 * ECX + EDX: Supported features. Only report features we can support.
2619 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2620 * options may require adjusting (i.e. stripping what was enabled).
2621 *
2622 * EBX: Branding, CLFLUSH line size, logical processors per package and
2623 * initial APIC ID.
2624 */
2625 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2626 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2627 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2628
2629 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2630 | X86_CPUID_FEATURE_EDX_VME
2631 | X86_CPUID_FEATURE_EDX_DE
2632 | X86_CPUID_FEATURE_EDX_PSE
2633 | X86_CPUID_FEATURE_EDX_TSC
2634 | X86_CPUID_FEATURE_EDX_MSR
2635 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2636 | X86_CPUID_FEATURE_EDX_MCE
2637 | X86_CPUID_FEATURE_EDX_CX8
2638 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2639 //| RT_BIT_32(10) - not defined
2640 /* 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}) */
2641 //| X86_CPUID_FEATURE_EDX_SEP
2642 | X86_CPUID_FEATURE_EDX_MTRR
2643 | X86_CPUID_FEATURE_EDX_PGE
2644 | X86_CPUID_FEATURE_EDX_MCA
2645 | X86_CPUID_FEATURE_EDX_CMOV
2646 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2647 | X86_CPUID_FEATURE_EDX_PSE36
2648 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2649 | X86_CPUID_FEATURE_EDX_CLFSH
2650 //| RT_BIT_32(20) - not defined
2651 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2652 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2653 | X86_CPUID_FEATURE_EDX_MMX
2654 | X86_CPUID_FEATURE_EDX_FXSR
2655 | X86_CPUID_FEATURE_EDX_SSE
2656 | X86_CPUID_FEATURE_EDX_SSE2
2657 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2658 | X86_CPUID_FEATURE_EDX_HTT
2659 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2660 //| RT_BIT_32(30) - not defined
2661 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2662 ;
2663 pStdFeatureLeaf->uEcx &= 0
2664 | X86_CPUID_FEATURE_ECX_SSE3
2665 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2666 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2667 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2668 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2669 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2670 //| X86_CPUID_FEATURE_ECX_VMX - not virtualized yet.
2671 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2672 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2673 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2674 | X86_CPUID_FEATURE_ECX_SSSE3
2675 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2676 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2677 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2678 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2679 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2680 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2681 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2682 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2683 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2684 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2685 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2686 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2687 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2688 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2689 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2690 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2691 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2692 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2693 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2694 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2695 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2696 ;
2697
2698 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2699 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2700 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2701 {
2702 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2703 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2704 }
2705
2706 if (pCpum->u8PortableCpuIdLevel > 0)
2707 {
2708 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2709 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2710 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2711 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2712 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2713 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2714 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2715 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2716 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2717 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2718 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2719 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2720 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2721 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2722 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2723 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2724 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2725 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2726 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2727
2728 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2729 | X86_CPUID_FEATURE_EDX_PSN
2730 | X86_CPUID_FEATURE_EDX_DS
2731 | X86_CPUID_FEATURE_EDX_ACPI
2732 | X86_CPUID_FEATURE_EDX_SS
2733 | X86_CPUID_FEATURE_EDX_TM
2734 | X86_CPUID_FEATURE_EDX_PBE
2735 )));
2736 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2737 | X86_CPUID_FEATURE_ECX_CPLDS
2738 | X86_CPUID_FEATURE_ECX_VMX
2739 | X86_CPUID_FEATURE_ECX_SMX
2740 | X86_CPUID_FEATURE_ECX_EST
2741 | X86_CPUID_FEATURE_ECX_TM2
2742 | X86_CPUID_FEATURE_ECX_CNTXID
2743 | X86_CPUID_FEATURE_ECX_FMA
2744 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2745 | X86_CPUID_FEATURE_ECX_PDCM
2746 | X86_CPUID_FEATURE_ECX_DCA
2747 | X86_CPUID_FEATURE_ECX_OSXSAVE
2748 )));
2749 }
2750
2751 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2752 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2753
2754 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2755 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2756 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2757 */
2758#ifdef VBOX_WITH_MULTI_CORE
2759 if (pVM->cCpus > 1)
2760 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2761#endif
2762 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2763 {
2764 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2765 core times the number of CPU cores per processor */
2766#ifdef VBOX_WITH_MULTI_CORE
2767 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2768#else
2769 /* Single logical processor in a package. */
2770 pStdFeatureLeaf->uEbx |= (1 << 16);
2771#endif
2772 }
2773
2774 uint32_t uMicrocodeRev;
2775 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2776 if (RT_SUCCESS(rc))
2777 {
2778 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2779 }
2780 else
2781 {
2782 uMicrocodeRev = 0;
2783 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2784 }
2785
2786 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2787 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2788 */
2789 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2790 && uMicrocodeRev < 0x8001126
2791 && !pConfig->fForceVme)
2792 {
2793 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2794 LogRel(("CPUM: Zen VME workaround engaged\n"));
2795 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2796 }
2797
2798 /* Force standard feature bits. */
2799 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2800 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2801 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2802 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2803 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2804 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2805 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2806 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2807 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2808 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2809 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2810 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2811 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2812 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2813 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2814 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2815 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2816 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2817 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2818 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2819 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2820 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2821
2822 pStdFeatureLeaf = NULL; /* Must refetch! */
2823
2824 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2825 * AMD:
2826 * EAX: CPU model, family and stepping.
2827 *
2828 * ECX + EDX: Supported features. Only report features we can support.
2829 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2830 * options may require adjusting (i.e. stripping what was enabled).
2831 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2832 *
2833 * EBX: Branding ID and package type (or reserved).
2834 *
2835 * Intel and probably most others:
2836 * EAX: 0
2837 * EBX: 0
2838 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2839 */
2840 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2841 if (pExtFeatureLeaf)
2842 {
2843 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2844
2845 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2846 | X86_CPUID_AMD_FEATURE_EDX_VME
2847 | X86_CPUID_AMD_FEATURE_EDX_DE
2848 | X86_CPUID_AMD_FEATURE_EDX_PSE
2849 | X86_CPUID_AMD_FEATURE_EDX_TSC
2850 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2851 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2852 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2853 | X86_CPUID_AMD_FEATURE_EDX_CX8
2854 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2855 //| RT_BIT_32(10) - reserved
2856 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2857 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2858 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2859 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2860 | X86_CPUID_AMD_FEATURE_EDX_PGE
2861 | X86_CPUID_AMD_FEATURE_EDX_MCA
2862 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2863 | X86_CPUID_AMD_FEATURE_EDX_PAT
2864 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2865 //| RT_BIT_32(18) - reserved
2866 //| RT_BIT_32(19) - reserved
2867 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2868 //| RT_BIT_32(21) - reserved
2869 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2870 | X86_CPUID_AMD_FEATURE_EDX_MMX
2871 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2872 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2873 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2874 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2875 //| RT_BIT_32(28) - reserved
2876 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2877 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2878 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2879 ;
2880 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2881 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2882 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2883 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2884 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2885 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2886 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2887 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2888 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2889 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2890 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2891 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2892 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2893 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2894 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2895 //| RT_BIT_32(14) - reserved
2896 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2897 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2898 //| RT_BIT_32(17) - reserved
2899 //| RT_BIT_32(18) - reserved
2900 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2901 //| RT_BIT_32(20) - reserved
2902 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2903 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2904 //| RT_BIT_32(23) - reserved
2905 //| RT_BIT_32(24) - reserved
2906 //| RT_BIT_32(25) - reserved
2907 //| RT_BIT_32(26) - reserved
2908 //| RT_BIT_32(27) - reserved
2909 //| RT_BIT_32(28) - reserved
2910 //| RT_BIT_32(29) - reserved
2911 //| RT_BIT_32(30) - reserved
2912 //| RT_BIT_32(31) - reserved
2913 ;
2914#ifdef VBOX_WITH_MULTI_CORE
2915 if ( pVM->cCpus > 1
2916 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2917 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2918#endif
2919
2920 if (pCpum->u8PortableCpuIdLevel > 0)
2921 {
2922 CPUMISAEXTCFG enmSvm = pConfig->fNestedHWVirt ? CPUMISAEXTCFG_ENABLED_SUPPORTED : CPUMISAEXTCFG_DISABLED;
2923 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2924 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM, enmSvm);
2925 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2926 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2927 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2928 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2929 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2930 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2931 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2932 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2933 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2934 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2935 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2936 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2937 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2938 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2939
2940 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2941 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2942 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2943 | X86_CPUID_AMD_FEATURE_ECX_IBS
2944 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2945 | X86_CPUID_AMD_FEATURE_ECX_WDT
2946 | X86_CPUID_AMD_FEATURE_ECX_LWP
2947 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2948 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2949 | UINT32_C(0xff964000)
2950 )));
2951 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2952 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2953 | RT_BIT(18)
2954 | RT_BIT(19)
2955 | RT_BIT(21)
2956 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2957 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2958 | RT_BIT(28)
2959 )));
2960 }
2961
2962 /* Force extended feature bits. */
2963 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2964 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2965 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2966 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2967 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2968 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2969 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2970 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2971 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2972 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2973 }
2974 pExtFeatureLeaf = NULL; /* Must refetch! */
2975
2976
2977 /* Cpuid 2:
2978 * Intel: (Nondeterministic) Cache and TLB information
2979 * AMD: Reserved
2980 * VIA: Reserved
2981 * Safe to expose.
2982 */
2983 uint32_t uSubLeaf = 0;
2984 PCPUMCPUIDLEAF pCurLeaf;
2985 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2986 {
2987 if ((pCurLeaf->uEax & 0xff) > 1)
2988 {
2989 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2990 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2991 }
2992 uSubLeaf++;
2993 }
2994
2995 /* Cpuid 3:
2996 * Intel: EAX, EBX - reserved (transmeta uses these)
2997 * ECX, EDX - Processor Serial Number if available, otherwise reserved
2998 * AMD: Reserved
2999 * VIA: Reserved
3000 * Safe to expose
3001 */
3002 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3003 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3004 {
3005 uSubLeaf = 0;
3006 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3007 {
3008 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3009 if (pCpum->u8PortableCpuIdLevel > 0)
3010 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3011 uSubLeaf++;
3012 }
3013 }
3014
3015 /* Cpuid 4 + ECX:
3016 * Intel: Deterministic Cache Parameters Leaf.
3017 * AMD: Reserved
3018 * VIA: Reserved
3019 * Safe to expose, except for EAX:
3020 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3021 * Bits 31-26: Maximum number of processor cores in this physical package**
3022 * Note: These SMP values are constant regardless of ECX
3023 */
3024 uSubLeaf = 0;
3025 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3026 {
3027 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3028#ifdef VBOX_WITH_MULTI_CORE
3029 if ( pVM->cCpus > 1
3030 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3031 {
3032 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3033 /* One logical processor with possibly multiple cores. */
3034 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3035 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3036 }
3037#endif
3038 uSubLeaf++;
3039 }
3040
3041 /* Cpuid 5: Monitor/mwait Leaf
3042 * Intel: ECX, EDX - reserved
3043 * EAX, EBX - Smallest and largest monitor line size
3044 * AMD: EDX - reserved
3045 * EAX, EBX - Smallest and largest monitor line size
3046 * ECX - extensions (ignored for now)
3047 * VIA: Reserved
3048 * Safe to expose
3049 */
3050 uSubLeaf = 0;
3051 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3052 {
3053 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3054 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3055 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3056
3057 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3058 if (pConfig->enmMWaitExtensions)
3059 {
3060 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3061 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3062 it shall be part of our power management virtualization model */
3063#if 0
3064 /* MWAIT sub C-states */
3065 pCurLeaf->uEdx =
3066 (0 << 0) /* 0 in C0 */ |
3067 (2 << 4) /* 2 in C1 */ |
3068 (2 << 8) /* 2 in C2 */ |
3069 (2 << 12) /* 2 in C3 */ |
3070 (0 << 16) /* 0 in C4 */
3071 ;
3072#endif
3073 }
3074 else
3075 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3076 uSubLeaf++;
3077 }
3078
3079 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3080 * Intel: Various stuff.
3081 * AMD: EAX, EBX, EDX - reserved.
3082 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3083 * present. Same as intel.
3084 * VIA: ??
3085 *
3086 * We clear everything here for now.
3087 */
3088 cpumR3CpuIdZeroLeaf(pCpum, 6);
3089
3090 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3091 * EAX: Number of sub leaves.
3092 * EBX+ECX+EDX: Feature flags
3093 *
3094 * We only have documentation for one sub-leaf, so clear all other (no need
3095 * to remove them as such, just set them to zero).
3096 *
3097 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3098 * options may require adjusting (i.e. stripping what was enabled).
3099 */
3100 uSubLeaf = 0;
3101 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3102 {
3103 switch (uSubLeaf)
3104 {
3105 case 0:
3106 {
3107 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3108 pCurLeaf->uEbx &= 0
3109 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3110 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3111 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3112 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3113 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3114 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3115 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3116 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3117 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3118 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3119 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3120 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3121 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3122 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3123 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3124 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3125 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3126 //| RT_BIT(17) - reserved
3127 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3128 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3129 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3130 //| RT_BIT(21) - reserved
3131 //| RT_BIT(22) - reserved
3132 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3133 //| RT_BIT(24) - reserved
3134 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3135 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3136 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3137 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3138 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3139 //| RT_BIT(30) - reserved
3140 //| RT_BIT(31) - reserved
3141 ;
3142 pCurLeaf->uEcx &= 0
3143 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3144 ;
3145 pCurLeaf->uEdx &= 0; /** @todo X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB, X86_CPUID_STEXT_FEATURE_EDX_STIBP and X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP */
3146
3147 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3148 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3149 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3150 {
3151 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3152 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to workaround buggy guests\n"));
3153 }
3154
3155 if (pCpum->u8PortableCpuIdLevel > 0)
3156 {
3157 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3158 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3159 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3160 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3161 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3162 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3163 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3164 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3165 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3166 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3167 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3168 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3169 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3170 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3171 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3172 }
3173
3174 /* Force standard feature bits. */
3175 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3176 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3177 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3178 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3179 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3180 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3181 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3182 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3183 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3184 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3185 break;
3186 }
3187
3188 default:
3189 /* Invalid index, all values are zero. */
3190 pCurLeaf->uEax = 0;
3191 pCurLeaf->uEbx = 0;
3192 pCurLeaf->uEcx = 0;
3193 pCurLeaf->uEdx = 0;
3194 break;
3195 }
3196 uSubLeaf++;
3197 }
3198
3199 /* Cpuid 8: Marked as reserved by Intel and AMD.
3200 * We zero this since we don't know what it may have been used for.
3201 */
3202 cpumR3CpuIdZeroLeaf(pCpum, 8);
3203
3204 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3205 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3206 * EBX, ECX, EDX - reserved.
3207 * AMD: Reserved
3208 * VIA: ??
3209 *
3210 * We zero this.
3211 */
3212 cpumR3CpuIdZeroLeaf(pCpum, 9);
3213
3214 /* Cpuid 0xa: Architectural Performance Monitor Features
3215 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3216 * EBX, ECX, EDX - reserved.
3217 * AMD: Reserved
3218 * VIA: ??
3219 *
3220 * We zero this, for now at least.
3221 */
3222 cpumR3CpuIdZeroLeaf(pCpum, 10);
3223
3224 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3225 * Intel: EAX - APCI ID shift right for next level.
3226 * EBX - Factory configured cores/threads at this level.
3227 * ECX - Level number (same as input) and level type (1,2,0).
3228 * EDX - Extended initial APIC ID.
3229 * AMD: Reserved
3230 * VIA: ??
3231 */
3232 uSubLeaf = 0;
3233 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3234 {
3235 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3236 {
3237 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3238 if (bLevelType == 1)
3239 {
3240 /* Thread level - we don't do threads at the moment. */
3241 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3242 pCurLeaf->uEbx = 1;
3243 }
3244 else if (bLevelType == 2)
3245 {
3246 /* Core level. */
3247 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... */
3248#ifdef VBOX_WITH_MULTI_CORE
3249 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3250 pCurLeaf->uEax++;
3251#endif
3252 pCurLeaf->uEbx = pVM->cCpus;
3253 }
3254 else
3255 {
3256 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3257 pCurLeaf->uEax = 0;
3258 pCurLeaf->uEbx = 0;
3259 pCurLeaf->uEcx = 0;
3260 }
3261 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3262 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3263 }
3264 else
3265 {
3266 pCurLeaf->uEax = 0;
3267 pCurLeaf->uEbx = 0;
3268 pCurLeaf->uEcx = 0;
3269 pCurLeaf->uEdx = 0;
3270 }
3271 uSubLeaf++;
3272 }
3273
3274 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3275 * We zero this since we don't know what it may have been used for.
3276 */
3277 cpumR3CpuIdZeroLeaf(pCpum, 12);
3278
3279 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3280 * ECX=0: EAX - Valid bits in XCR0[31:0].
3281 * EBX - Maximum state size as per current XCR0 value.
3282 * ECX - Maximum state size for all supported features.
3283 * EDX - Valid bits in XCR0[63:32].
3284 * ECX=1: EAX - Various X-features.
3285 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3286 * ECX - Valid bits in IA32_XSS[31:0].
3287 * EDX - Valid bits in IA32_XSS[63:32].
3288 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3289 * if the bit invalid all four registers are set to zero.
3290 * EAX - The state size for this feature.
3291 * EBX - The state byte offset of this feature.
3292 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3293 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3294 *
3295 * Clear them all as we don't currently implement extended CPU state.
3296 */
3297 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3298 uint64_t fGuestXcr0Mask = 0;
3299 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3300 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3301 {
3302 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3303 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3304 fGuestXcr0Mask |= XSAVE_C_YMM;
3305 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3306 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3307 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3308 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3309
3310 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3311 }
3312 pStdFeatureLeaf = NULL;
3313 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3314
3315 /* Work the sub-leaves. */
3316 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3317 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3318 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3319 {
3320 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3321 if (pCurLeaf)
3322 {
3323 if (fGuestXcr0Mask)
3324 {
3325 switch (uSubLeaf)
3326 {
3327 case 0:
3328 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3329 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3330 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3331 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3332 VERR_CPUM_IPE_1);
3333 cbXSaveMaxActual = pCurLeaf->uEcx;
3334 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3335 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3336 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3337 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3338 VERR_CPUM_IPE_2);
3339 continue;
3340 case 1:
3341 pCurLeaf->uEax &= 0;
3342 pCurLeaf->uEcx &= 0;
3343 pCurLeaf->uEdx &= 0;
3344 /** @todo what about checking ebx? */
3345 continue;
3346 default:
3347 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3348 {
3349 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3350 && pCurLeaf->uEax > 0
3351 && pCurLeaf->uEbx < cbXSaveMaxActual
3352 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3353 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3354 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3355 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3356 VERR_CPUM_IPE_2);
3357 AssertLogRel(!(pCurLeaf->uEcx & 1));
3358 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3359 pCurLeaf->uEdx = 0; /* it's reserved... */
3360 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3361 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3362 continue;
3363 }
3364 break;
3365 }
3366 }
3367
3368 /* Clear the leaf. */
3369 pCurLeaf->uEax = 0;
3370 pCurLeaf->uEbx = 0;
3371 pCurLeaf->uEcx = 0;
3372 pCurLeaf->uEdx = 0;
3373 }
3374 }
3375
3376 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3377 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3378 {
3379 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3380 if (pCurLeaf)
3381 {
3382 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3383 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3384 pCurLeaf->uEbx = cbXSaveMaxReport;
3385 pCurLeaf->uEcx = cbXSaveMaxReport;
3386 }
3387 }
3388
3389 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3390 * We zero this since we don't know what it may have been used for.
3391 */
3392 cpumR3CpuIdZeroLeaf(pCpum, 14);
3393
3394 /* Cpuid 0xf + ECX: Platform qualifity of service monitoring (PQM).
3395 * We zero this as we don't currently virtualize PQM.
3396 */
3397 cpumR3CpuIdZeroLeaf(pCpum, 15);
3398
3399 /* Cpuid 0x10 + ECX: Platform qualifity of service enforcement (PQE).
3400 * We zero this as we don't currently virtualize PQE.
3401 */
3402 cpumR3CpuIdZeroLeaf(pCpum, 16);
3403
3404 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3405 * We zero this since we don't know what it may have been used for.
3406 */
3407 cpumR3CpuIdZeroLeaf(pCpum, 17);
3408
3409 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3410 * We zero this as we don't currently virtualize this.
3411 */
3412 cpumR3CpuIdZeroLeaf(pCpum, 18);
3413
3414 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3415 * We zero this since we don't know what it may have been used for.
3416 */
3417 cpumR3CpuIdZeroLeaf(pCpum, 19);
3418
3419 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3420 * We zero this as we don't currently virtualize this.
3421 */
3422 cpumR3CpuIdZeroLeaf(pCpum, 20);
3423
3424 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3425 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3426 * EAX - denominator (unsigned).
3427 * EBX - numerator (unsigned).
3428 * ECX, EDX - reserved.
3429 * AMD: Reserved / undefined / not implemented.
3430 * VIA: Reserved / undefined / not implemented.
3431 * We zero this as we don't currently virtualize this.
3432 */
3433 cpumR3CpuIdZeroLeaf(pCpum, 21);
3434
3435 /* Cpuid 0x16: Processor frequency info
3436 * Intel: EAX - Core base frequency in MHz.
3437 * EBX - Core maximum frequency in MHz.
3438 * ECX - Bus (reference) frequency in MHz.
3439 * EDX - Reserved.
3440 * AMD: Reserved / undefined / not implemented.
3441 * VIA: Reserved / undefined / not implemented.
3442 * We zero this as we don't currently virtualize this.
3443 */
3444 cpumR3CpuIdZeroLeaf(pCpum, 22);
3445
3446 /* Cpuid 0x17..0x10000000: Unknown.
3447 * We don't know these and what they mean, so remove them. */
3448 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3449 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3450
3451
3452 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3453 * We remove all these as we're a hypervisor and must provide our own.
3454 */
3455 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3456 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3457
3458
3459 /* Cpuid 0x80000000 is harmless. */
3460
3461 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3462
3463 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3464
3465 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3466 * Safe to pass on to the guest.
3467 *
3468 * AMD: 0x800000005 L1 cache information
3469 * 0x800000006 L2/L3 cache information
3470 * Intel: 0x800000005 reserved
3471 * 0x800000006 L2 cache information
3472 * VIA: 0x800000005 TLB and L1 cache information
3473 * 0x800000006 L2 cache information
3474 */
3475
3476 /* Cpuid 0x800000007: Advanced Power Management Information.
3477 * AMD: EAX: Processor feedback capabilities.
3478 * EBX: RAS capabilites.
3479 * ECX: Advanced power monitoring interface.
3480 * EDX: Enhanced power management capabilities.
3481 * Intel: EAX, EBX, ECX - reserved.
3482 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3483 * VIA: Reserved
3484 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3485 */
3486 uSubLeaf = 0;
3487 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3488 {
3489 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3490 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3491 {
3492 pCurLeaf->uEdx &= 0
3493 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3494 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3495 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3496 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3497 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3498 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3499 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3500 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3501#if 0 /*
3502 * We don't expose X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR, because newer
3503 * Linux kernels blindly assume that the AMD performance counters work
3504 * if this is set for 64 bits guests. (Can't really find a CPUID feature
3505 * bit for them though.)
3506 */
3507 /** @todo need to recheck this with new MSR emulation. */
3508 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3509#endif
3510 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3511 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3512 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3513 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3514 | 0;
3515 }
3516 else
3517 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3518 if (pConfig->fInvariantTsc)
3519 pCurLeaf->uEdx |= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3520 uSubLeaf++;
3521 }
3522
3523 /* Cpuid 0x80000008:
3524 * AMD: EBX, EDX - reserved
3525 * EAX: Virtual/Physical/Guest address Size
3526 * ECX: Number of cores + APICIdCoreIdSize
3527 * Intel: EAX: Virtual/Physical address Size
3528 * EBX, ECX, EDX - reserved
3529 * VIA: EAX: Virtual/Physical address Size
3530 * EBX, ECX, EDX - reserved
3531 *
3532 * We only expose the virtual+pysical address size to the guest atm.
3533 * On AMD we set the core count, but not the apic id stuff as we're
3534 * currently not doing the apic id assignments in a complatible manner.
3535 */
3536 uSubLeaf = 0;
3537 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3538 {
3539 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3540 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3541 pCurLeaf->uEdx = 0; /* reserved */
3542
3543 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3544 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3545 pCurLeaf->uEcx = 0;
3546#ifdef VBOX_WITH_MULTI_CORE
3547 if ( pVM->cCpus > 1
3548 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3549 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3550#endif
3551 uSubLeaf++;
3552 }
3553
3554 /* Cpuid 0x80000009: Reserved
3555 * We zero this since we don't know what it may have been used for.
3556 */
3557 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3558
3559 /* Cpuid 0x8000000a: SVM Information
3560 * AMD: EAX - SVM revision.
3561 * EBX - Number of ASIDs.
3562 * ECX - Reserved.
3563 * EDX - SVM Feature identification.
3564 */
3565 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3566 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3567 {
3568 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3569 pSvmFeatureLeaf->uEax = 0x1;
3570 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3571 pSvmFeatureLeaf->uEcx = 0;
3572 pSvmFeatureLeaf->uEdx = 0; /** @todo Support SVM features */
3573 }
3574 else
3575 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3576
3577 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3578 * We clear these as we don't know what purpose they might have. */
3579 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3580 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3581
3582 /* Cpuid 0x80000019: TLB configuration
3583 * Seems to be harmless, pass them thru as is. */
3584
3585 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3586 * Strip anything we don't know what is or addresses feature we don't implement. */
3587 uSubLeaf = 0;
3588 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3589 {
3590 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3591 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3592 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3593 ;
3594 pCurLeaf->uEbx = 0; /* reserved */
3595 pCurLeaf->uEcx = 0; /* reserved */
3596 pCurLeaf->uEdx = 0; /* reserved */
3597 uSubLeaf++;
3598 }
3599
3600 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3601 * Clear this as we don't currently virtualize this feature. */
3602 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3603
3604 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3605 * Clear this as we don't currently virtualize this feature. */
3606 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3607
3608 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3609 * We need to sanitize the cores per cache (EAX[25:14]).
3610 *
3611 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3612 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3613 * slightly different meaning.
3614 */
3615 uSubLeaf = 0;
3616 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3617 {
3618#ifdef VBOX_WITH_MULTI_CORE
3619 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3620 if (cCores > pVM->cCpus)
3621 cCores = pVM->cCpus;
3622 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3623 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3624#else
3625 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3626#endif
3627 uSubLeaf++;
3628 }
3629
3630 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3631 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3632 * setup, we have one compute unit with all the cores in it. Single node.
3633 */
3634 uSubLeaf = 0;
3635 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3636 {
3637 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3638 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3639 {
3640#ifdef VBOX_WITH_MULTI_CORE
3641 pCurLeaf->uEbx = pVM->cCpus < 0x100
3642 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3643#else
3644 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3645#endif
3646 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3647 }
3648 else
3649 {
3650 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3651 pCurLeaf->uEbx = 0; /* Reserved. */
3652 pCurLeaf->uEcx = 0; /* Reserved. */
3653 }
3654 pCurLeaf->uEdx = 0; /* Reserved. */
3655 uSubLeaf++;
3656 }
3657
3658 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3659 * We don't know these and what they mean, so remove them. */
3660 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3661 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3662
3663 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3664 * Just pass it thru for now. */
3665
3666 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3667 * Just pass it thru for now. */
3668
3669 /* Cpuid 0xc0000000: Centaur stuff.
3670 * Harmless, pass it thru. */
3671
3672 /* Cpuid 0xc0000001: Centaur features.
3673 * VIA: EAX - Family, model, stepping.
3674 * EDX - Centaur extended feature flags. Nothing interesting, except may
3675 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3676 * EBX, ECX - reserved.
3677 * We keep EAX but strips the rest.
3678 */
3679 uSubLeaf = 0;
3680 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3681 {
3682 pCurLeaf->uEbx = 0;
3683 pCurLeaf->uEcx = 0;
3684 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3685 uSubLeaf++;
3686 }
3687
3688 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3689 * We only have fixed stale values, but should be harmless. */
3690
3691 /* Cpuid 0xc0000003: Reserved.
3692 * We zero this since we don't know what it may have been used for.
3693 */
3694 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3695
3696 /* Cpuid 0xc0000004: Centaur Performance Info.
3697 * We only have fixed stale values, but should be harmless. */
3698
3699
3700 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3701 * We don't know these and what they mean, so remove them. */
3702 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3703 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3704
3705 return VINF_SUCCESS;
3706#undef PORTABLE_DISABLE_FEATURE_BIT
3707#undef PORTABLE_CLEAR_BITS_WHEN
3708}
3709
3710
3711/**
3712 * Reads a value in /CPUM/IsaExts/ node.
3713 *
3714 * @returns VBox status code (error message raised).
3715 * @param pVM The cross context VM structure. (For errors.)
3716 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3717 * @param pszValueName The value / extension name.
3718 * @param penmValue Where to return the choice.
3719 * @param enmDefault The default choice.
3720 */
3721static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3722 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3723{
3724 /*
3725 * Try integer encoding first.
3726 */
3727 uint64_t uValue;
3728 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3729 if (RT_SUCCESS(rc))
3730 switch (uValue)
3731 {
3732 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3733 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3734 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3735 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3736 default:
3737 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3738 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3739 pszValueName, uValue);
3740 }
3741 /*
3742 * If missing, use default.
3743 */
3744 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3745 *penmValue = enmDefault;
3746 else
3747 {
3748 if (rc == VERR_CFGM_NOT_INTEGER)
3749 {
3750 /*
3751 * Not an integer, try read it as a string.
3752 */
3753 char szValue[32];
3754 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3755 if (RT_SUCCESS(rc))
3756 {
3757 RTStrToLower(szValue);
3758 size_t cchValue = strlen(szValue);
3759#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3760 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3761 *penmValue = CPUMISAEXTCFG_DISABLED;
3762 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3763 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3764 else if (EQ("forced") || EQ("force") || EQ("always"))
3765 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3766 else if (EQ("portable"))
3767 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3768 else if (EQ("default") || EQ("def"))
3769 *penmValue = enmDefault;
3770 else
3771 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3772 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3773 pszValueName, uValue);
3774#undef EQ
3775 }
3776 }
3777 if (RT_FAILURE(rc))
3778 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3779 }
3780 return VINF_SUCCESS;
3781}
3782
3783
3784/**
3785 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3786 *
3787 * @returns VBox status code (error message raised).
3788 * @param pVM The cross context VM structure. (For errors.)
3789 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3790 * @param pszValueName The value / extension name.
3791 * @param penmValue Where to return the choice.
3792 * @param enmDefault The default choice.
3793 * @param fAllowed Allowed choice. Applied both to the result and to
3794 * the default value.
3795 */
3796static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3797 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3798{
3799 int rc;
3800 if (fAllowed)
3801 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3802 else
3803 {
3804 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3805 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3806 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3807 *penmValue = CPUMISAEXTCFG_DISABLED;
3808 }
3809 return rc;
3810}
3811
3812
3813/**
3814 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3815 *
3816 * @returns VBox status code (error message raised).
3817 * @param pVM The cross context VM structure. (For errors.)
3818 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3819 * @param pCpumCfg The /CPUM node (can be NULL).
3820 * @param pszValueName The value / extension name.
3821 * @param penmValue Where to return the choice.
3822 * @param enmDefault The default choice.
3823 */
3824static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3825 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3826{
3827 if (CFGMR3Exists(pCpumCfg, pszValueName))
3828 {
3829 if (!CFGMR3Exists(pIsaExts, pszValueName))
3830 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3831 else
3832 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3833 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3834 pszValueName, pszValueName);
3835
3836 bool fLegacy;
3837 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3838 if (RT_SUCCESS(rc))
3839 {
3840 *penmValue = fLegacy;
3841 return VINF_SUCCESS;
3842 }
3843 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3844 }
3845
3846 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3847}
3848
3849
3850static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3851{
3852 int rc;
3853
3854 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3855 * When non-zero CPUID features that could cause portability issues will be
3856 * stripped. The higher the value the more features gets stripped. Higher
3857 * values should only be used when older CPUs are involved since it may
3858 * harm performance and maybe also cause problems with specific guests. */
3859 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3860 AssertLogRelRCReturn(rc, rc);
3861
3862 /** @cfgm{/CPUM/GuestCpuName, string}
3863 * The name of the CPU we're to emulate. The default is the host CPU.
3864 * Note! CPUs other than "host" one is currently unsupported. */
3865 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3866 AssertLogRelRCReturn(rc, rc);
3867
3868 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3869 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3870 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3871 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3872 */
3873 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3874 AssertLogRelRCReturn(rc, rc);
3875
3876 /** @cfgm{/CPUM/InvariantTsc, boolean, complicated}
3877 * Set the invariant TSC flag in 0x80000007 if true, otherwas take default
3878 * action. By default the flag is passed thru as is from the host CPU, except
3879 * on AMD CPUs where it's suppressed to avoid trouble from linux assuming we
3880 * virtualize performance counters.
3881 */
3882 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, false);
3883 AssertLogRelRCReturn(rc, rc);
3884
3885 /** @cfgm{/CPUM/ForceVme, boolean, false}
3886 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3887 * By default the flag is passed thru as is from the host CPU, except
3888 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3889 * guests and DOS boxes in general.
3890 */
3891 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3892 AssertLogRelRCReturn(rc, rc);
3893
3894 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3895 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3896 * probably going to be a temporary hack, so don't depend on this.
3897 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3898 * number and the 3rd byte value is the family, and the 4th value must be zero.
3899 */
3900 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3901 AssertLogRelRCReturn(rc, rc);
3902
3903 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3904 * The last standard leaf to keep. The actual last value that is stored in EAX
3905 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3906 * removed. (This works independently of and differently from NT4LeafLimit.)
3907 * The default is usually set to what we're able to reasonably sanitize.
3908 */
3909 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3910 AssertLogRelRCReturn(rc, rc);
3911
3912 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3913 * The last extended leaf to keep. The actual last value that is stored in EAX
3914 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3915 * leaf are removed. The default is set to what we're able to sanitize.
3916 */
3917 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3918 AssertLogRelRCReturn(rc, rc);
3919
3920 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3921 * The last extended leaf to keep. The actual last value that is stored in EAX
3922 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3923 * leaf are removed. The default is set to what we're able to sanitize.
3924 */
3925 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3926 AssertLogRelRCReturn(rc, rc);
3927
3928#ifdef VBOX_WITH_NESTED_HWVIRT
3929 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
3930 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
3931 * The default is false, and when enabled requires nested paging and AMD-V or
3932 * unrestricted guest mode.
3933 */
3934 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
3935 AssertLogRelRCReturn(rc, rc);
3936 if ( pConfig->fNestedHWVirt
3937 && !fNestedPagingAndFullGuestExec)
3938 {
3939 LogRel(("CPUM: Warning! Can't turn on nested VT-x/AMD-V without nested-paging and unrestricted guest execution!\n"));
3940 pConfig->fNestedHWVirt = false;
3941 }
3942#endif
3943
3944 /*
3945 * Instruction Set Architecture (ISA) Extensions.
3946 */
3947 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3948 if (pIsaExts)
3949 {
3950 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3951 "CMPXCHG16B"
3952 "|MONITOR"
3953 "|MWaitExtensions"
3954 "|SSE4.1"
3955 "|SSE4.2"
3956 "|XSAVE"
3957 "|AVX"
3958 "|AVX2"
3959 "|AESNI"
3960 "|PCLMUL"
3961 "|POPCNT"
3962 "|MOVBE"
3963 "|RDRAND"
3964 "|RDSEED"
3965 "|CLFLUSHOPT"
3966 "|FSGSBASE"
3967 "|PCID"
3968 "|INVPCID"
3969 "|ABM"
3970 "|SSE4A"
3971 "|MISALNSSE"
3972 "|3DNOWPRF"
3973 "|AXMMX"
3974 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3975 if (RT_FAILURE(rc))
3976 return rc;
3977 }
3978
3979 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3980 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3981 * being the default is to only do this for VMs with nested paging and AMD-V or
3982 * unrestricted guest mode.
3983 */
3984 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
3985 AssertLogRelRCReturn(rc, rc);
3986
3987 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
3988 * Expose MONITOR/MWAIT instructions to the guest.
3989 */
3990 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
3991 AssertLogRelRCReturn(rc, rc);
3992
3993 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
3994 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
3995 * break on interrupt feature (bit 1).
3996 */
3997 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
3998 AssertLogRelRCReturn(rc, rc);
3999
4000 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4001 * Expose SSE4.1 to the guest if available.
4002 */
4003 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4004 AssertLogRelRCReturn(rc, rc);
4005
4006 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4007 * Expose SSE4.2 to the guest if available.
4008 */
4009 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4010 AssertLogRelRCReturn(rc, rc);
4011
4012 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4013 && pVM->cpum.s.HostFeatures.fXSaveRstor
4014 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
4015#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
4016 && !HMIsLongModeAllowed(pVM)
4017#endif
4018 ;
4019 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4020
4021 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4022 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4023 * default is to only expose this to VMs with nested paging and AMD-V or
4024 * unrestricted guest execution mode. Not possible to force this one without
4025 * host support at the moment.
4026 */
4027 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4028 fMayHaveXSave /*fAllowed*/);
4029 AssertLogRelRCReturn(rc, rc);
4030
4031 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4032 * Expose the AVX instruction set extensions to the guest if available and
4033 * XSAVE is exposed too. For the time being the default is to only expose this
4034 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4035 */
4036 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4037 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4038 AssertLogRelRCReturn(rc, rc);
4039
4040 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4041 * Expose the AVX2 instruction set extensions to the guest if available and
4042 * XSAVE is exposed too. For the time being the default is to only expose this
4043 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4044 */
4045 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4046 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4047 AssertLogRelRCReturn(rc, rc);
4048
4049 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4050 * Whether to expose the AES instructions to the guest. For the time being the
4051 * default is to only do this for VMs with nested paging and AMD-V or
4052 * unrestricted guest mode.
4053 */
4054 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4055 AssertLogRelRCReturn(rc, rc);
4056
4057 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4058 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4059 * being the default is to only do this for VMs with nested paging and AMD-V or
4060 * unrestricted guest mode.
4061 */
4062 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4063 AssertLogRelRCReturn(rc, rc);
4064
4065 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4066 * Whether to expose the POPCNT instructions to the guest. For the time
4067 * being the default is to only do this for VMs with nested paging and AMD-V or
4068 * unrestricted guest mode.
4069 */
4070 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4071 AssertLogRelRCReturn(rc, rc);
4072
4073 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4074 * Whether to expose the MOVBE instructions to the guest. For the time
4075 * being the default is to only do this for VMs with nested paging and AMD-V or
4076 * unrestricted guest mode.
4077 */
4078 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4079 AssertLogRelRCReturn(rc, rc);
4080
4081 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4082 * Whether to expose the RDRAND instructions to the guest. For the time being
4083 * the default is to only do this for VMs with nested paging and AMD-V or
4084 * unrestricted guest mode.
4085 */
4086 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4087 AssertLogRelRCReturn(rc, rc);
4088
4089 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4090 * Whether to expose the RDSEED instructions to the guest. For the time being
4091 * the default is to only do this for VMs with nested paging and AMD-V or
4092 * unrestricted guest mode.
4093 */
4094 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4095 AssertLogRelRCReturn(rc, rc);
4096
4097 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4098 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4099 * being the default is to only do this for VMs with nested paging and AMD-V or
4100 * unrestricted guest mode.
4101 */
4102 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4103 AssertLogRelRCReturn(rc, rc);
4104
4105 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4106 * Whether to expose the read/write FSGSBASE instructions to the guest.
4107 */
4108 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4109 AssertLogRelRCReturn(rc, rc);
4110
4111 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4112 * Whether to expose the PCID feature to the guest.
4113 */
4114 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4115 AssertLogRelRCReturn(rc, rc);
4116
4117 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4118 * Whether to expose the INVPCID instruction to the guest.
4119 */
4120 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4121 AssertLogRelRCReturn(rc, rc);
4122
4123
4124 /* AMD: */
4125
4126 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4127 * Whether to expose the AMD ABM instructions to the guest. For the time
4128 * being the default is to only do this for VMs with nested paging and AMD-V or
4129 * unrestricted guest mode.
4130 */
4131 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4132 AssertLogRelRCReturn(rc, rc);
4133
4134 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4135 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4136 * being the default is to only do this for VMs with nested paging and AMD-V or
4137 * unrestricted guest mode.
4138 */
4139 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4140 AssertLogRelRCReturn(rc, rc);
4141
4142 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4143 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4144 * the time being the default is to only do this for VMs with nested paging and
4145 * AMD-V or unrestricted guest mode.
4146 */
4147 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4148 AssertLogRelRCReturn(rc, rc);
4149
4150 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4151 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4152 * For the time being the default is to only do this for VMs with nested paging
4153 * and AMD-V or unrestricted guest mode.
4154 */
4155 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4156 AssertLogRelRCReturn(rc, rc);
4157
4158 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4159 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4160 * the default is to only do this for VMs with nested paging and AMD-V or
4161 * unrestricted guest mode.
4162 */
4163 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4164 AssertLogRelRCReturn(rc, rc);
4165
4166 return VINF_SUCCESS;
4167}
4168
4169
4170/**
4171 * Initializes the emulated CPU's CPUID & MSR information.
4172 *
4173 * @returns VBox status code.
4174 * @param pVM The cross context VM structure.
4175 */
4176int cpumR3InitCpuIdAndMsrs(PVM pVM)
4177{
4178 PCPUM pCpum = &pVM->cpum.s;
4179 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4180
4181 /*
4182 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4183 * on construction and manage everything from here on.
4184 */
4185 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4186 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4187
4188 /*
4189 * Read the configuration.
4190 */
4191 CPUMCPUIDCONFIG Config;
4192 RT_ZERO(Config);
4193
4194 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4195 AssertRCReturn(rc, rc);
4196
4197 /*
4198 * Get the guest CPU data from the database and/or the host.
4199 *
4200 * The CPUID and MSRs are currently living on the regular heap to avoid
4201 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4202 * API for the hyper heap). This means special cleanup considerations.
4203 */
4204 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4205 if (RT_FAILURE(rc))
4206 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4207 ? VMSetError(pVM, rc, RT_SRC_POS,
4208 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4209 : rc;
4210
4211 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4212 {
4213 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4214 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4215 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4216 }
4217 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4218
4219 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4220 * Overrides the guest MSRs.
4221 */
4222 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4223
4224 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4225 * Overrides the CPUID leaf values (from the host CPU usually) used for
4226 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4227 * values when moving a VM to a different machine. Another use is restricting
4228 * (or extending) the feature set exposed to the guest. */
4229 if (RT_SUCCESS(rc))
4230 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4231
4232 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4233 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4234 "Found unsupported configuration node '/CPUM/CPUID/'. "
4235 "Please use IMachine::setCPUIDLeaf() instead.");
4236
4237 /*
4238 * Pre-explode the CPUID info.
4239 */
4240 if (RT_SUCCESS(rc))
4241 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4242
4243 /*
4244 * Sanitize the cpuid information passed on to the guest.
4245 */
4246 if (RT_SUCCESS(rc))
4247 {
4248 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4249 if (RT_SUCCESS(rc))
4250 {
4251 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4252 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4253 }
4254 }
4255
4256 /*
4257 * MSR fudging.
4258 */
4259 if (RT_SUCCESS(rc))
4260 {
4261 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4262 * Fudges some common MSRs if not present in the selected CPU database entry.
4263 * This is for trying to keep VMs running when moved between different hosts
4264 * and different CPU vendors. */
4265 bool fEnable;
4266 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4267 if (RT_SUCCESS(rc) && fEnable)
4268 {
4269 rc = cpumR3MsrApplyFudge(pVM);
4270 AssertLogRelRC(rc);
4271 }
4272 }
4273 if (RT_SUCCESS(rc))
4274 {
4275 /*
4276 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4277 * guest CPU features again.
4278 */
4279 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4280 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4281 pCpum->GuestInfo.cCpuIdLeaves);
4282 RTMemFree(pvFree);
4283
4284 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4285 int rc2 = MMHyperDupMem(pVM, pvFree,
4286 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4287 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4288 RTMemFree(pvFree);
4289 AssertLogRelRCReturn(rc1, rc1);
4290 AssertLogRelRCReturn(rc2, rc2);
4291
4292 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4293 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4294
4295
4296 /*
4297 * Some more configuration that we're applying at the end of everything
4298 * via the CPUMSetGuestCpuIdFeature API.
4299 */
4300
4301 /* Check if PAE was explicitely enabled by the user. */
4302 bool fEnable;
4303 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4304 AssertRCReturn(rc, rc);
4305 if (fEnable)
4306 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4307
4308 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4309 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4310 AssertRCReturn(rc, rc);
4311 if (fEnable)
4312 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4313
4314 return VINF_SUCCESS;
4315 }
4316
4317 /*
4318 * Failed before switching to hyper heap.
4319 */
4320 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4321 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4322 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4323 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4324 return rc;
4325}
4326
4327
4328/**
4329 * Sets a CPUID feature bit during VM initialization.
4330 *
4331 * Since the CPUID feature bits are generally related to CPU features, other
4332 * CPUM configuration like MSRs can also be modified by calls to this API.
4333 *
4334 * @param pVM The cross context VM structure.
4335 * @param enmFeature The feature to set.
4336 */
4337VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4338{
4339 PCPUMCPUIDLEAF pLeaf;
4340 PCPUMMSRRANGE pMsrRange;
4341
4342 switch (enmFeature)
4343 {
4344 /*
4345 * Set the APIC bit in both feature masks.
4346 */
4347 case CPUMCPUIDFEATURE_APIC:
4348 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4349 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4350 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4351
4352 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4353 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4354 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4355
4356 pVM->cpum.s.GuestFeatures.fApic = 1;
4357
4358 /* Make sure we've got the APICBASE MSR present. */
4359 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4360 if (!pMsrRange)
4361 {
4362 static CPUMMSRRANGE const s_ApicBase =
4363 {
4364 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4365 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4366 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4367 /*.szName = */ "IA32_APIC_BASE"
4368 };
4369 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4370 AssertLogRelRC(rc);
4371 }
4372
4373 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4374 break;
4375
4376 /*
4377 * Set the x2APIC bit in the standard feature mask.
4378 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4379 */
4380 case CPUMCPUIDFEATURE_X2APIC:
4381 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4382 if (pLeaf)
4383 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4384 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4385
4386 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4387 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4388 if (pMsrRange)
4389 {
4390 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4391 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4392 }
4393
4394 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4395 break;
4396
4397 /*
4398 * Set the sysenter/sysexit bit in the standard feature mask.
4399 * Assumes the caller knows what it's doing! (host must support these)
4400 */
4401 case CPUMCPUIDFEATURE_SEP:
4402 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4403 {
4404 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4405 return;
4406 }
4407
4408 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4409 if (pLeaf)
4410 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4411 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4412 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4413 break;
4414
4415 /*
4416 * Set the syscall/sysret bit in the extended feature mask.
4417 * Assumes the caller knows what it's doing! (host must support these)
4418 */
4419 case CPUMCPUIDFEATURE_SYSCALL:
4420 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4421 if ( !pLeaf
4422 || !pVM->cpum.s.HostFeatures.fSysCall)
4423 {
4424#if HC_ARCH_BITS == 32
4425 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4426 mode by Intel, even when the cpu is capable of doing so in
4427 64-bit mode. Long mode requires syscall support. */
4428 if (!pVM->cpum.s.HostFeatures.fLongMode)
4429#endif
4430 {
4431 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4432 return;
4433 }
4434 }
4435
4436 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4437 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4438 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4439 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4440 break;
4441
4442 /*
4443 * Set the PAE bit in both feature masks.
4444 * Assumes the caller knows what it's doing! (host must support these)
4445 */
4446 case CPUMCPUIDFEATURE_PAE:
4447 if (!pVM->cpum.s.HostFeatures.fPae)
4448 {
4449 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4450 return;
4451 }
4452
4453 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4454 if (pLeaf)
4455 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4456
4457 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4458 if ( pLeaf
4459 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4460 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4461
4462 pVM->cpum.s.GuestFeatures.fPae = 1;
4463 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4464 break;
4465
4466 /*
4467 * Set the LONG MODE bit in the extended feature mask.
4468 * Assumes the caller knows what it's doing! (host must support these)
4469 */
4470 case CPUMCPUIDFEATURE_LONG_MODE:
4471 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4472 if ( !pLeaf
4473 || !pVM->cpum.s.HostFeatures.fLongMode)
4474 {
4475 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4476 return;
4477 }
4478
4479 /* Valid for both Intel and AMD. */
4480 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4481 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4482 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4483 break;
4484
4485 /*
4486 * Set the NX/XD bit in the extended feature mask.
4487 * Assumes the caller knows what it's doing! (host must support these)
4488 */
4489 case CPUMCPUIDFEATURE_NX:
4490 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4491 if ( !pLeaf
4492 || !pVM->cpum.s.HostFeatures.fNoExecute)
4493 {
4494 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4495 return;
4496 }
4497
4498 /* Valid for both Intel and AMD. */
4499 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4500 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4501 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4502 break;
4503
4504
4505 /*
4506 * Set the LAHF/SAHF support in 64-bit mode.
4507 * Assumes the caller knows what it's doing! (host must support this)
4508 */
4509 case CPUMCPUIDFEATURE_LAHF:
4510 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4511 if ( !pLeaf
4512 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4513 {
4514 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4515 return;
4516 }
4517
4518 /* Valid for both Intel and AMD. */
4519 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4520 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4521 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4522 break;
4523
4524 /*
4525 * Set the page attribute table bit. This is alternative page level
4526 * cache control that doesn't much matter when everything is
4527 * virtualized, though it may when passing thru device memory.
4528 */
4529 case CPUMCPUIDFEATURE_PAT:
4530 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4531 if (pLeaf)
4532 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4533
4534 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4535 if ( pLeaf
4536 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4537 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4538
4539 pVM->cpum.s.GuestFeatures.fPat = 1;
4540 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4541 break;
4542
4543 /*
4544 * Set the RDTSCP support bit.
4545 * Assumes the caller knows what it's doing! (host must support this)
4546 */
4547 case CPUMCPUIDFEATURE_RDTSCP:
4548 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4549 if ( !pLeaf
4550 || !pVM->cpum.s.HostFeatures.fRdTscP
4551 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4552 {
4553 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4554 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4555 return;
4556 }
4557
4558 /* Valid for both Intel and AMD. */
4559 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4560 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4561 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4562 break;
4563
4564 /*
4565 * Set the Hypervisor Present bit in the standard feature mask.
4566 */
4567 case CPUMCPUIDFEATURE_HVP:
4568 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4569 if (pLeaf)
4570 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4571 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4572 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4573 break;
4574
4575 /*
4576 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4577 * This currently includes the Present bit and MWAITBREAK bit as well.
4578 */
4579 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4580 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4581 if ( !pLeaf
4582 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4583 {
4584 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4585 return;
4586 }
4587
4588 /* Valid for both Intel and AMD. */
4589 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4590 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4591 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4592 break;
4593
4594 default:
4595 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4596 break;
4597 }
4598
4599 /** @todo can probably kill this as this API is now init time only... */
4600 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4601 {
4602 PVMCPU pVCpu = &pVM->aCpus[i];
4603 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4604 }
4605}
4606
4607
4608/**
4609 * Queries a CPUID feature bit.
4610 *
4611 * @returns boolean for feature presence
4612 * @param pVM The cross context VM structure.
4613 * @param enmFeature The feature to query.
4614 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4615 */
4616VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4617{
4618 switch (enmFeature)
4619 {
4620 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4621 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4622 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4623 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4624 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4625 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4626 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4627 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4628 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4629 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4630 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4631 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4632
4633 case CPUMCPUIDFEATURE_INVALID:
4634 case CPUMCPUIDFEATURE_32BIT_HACK:
4635 break;
4636 }
4637 AssertFailed();
4638 return false;
4639}
4640
4641
4642/**
4643 * Clears a CPUID feature bit.
4644 *
4645 * @param pVM The cross context VM structure.
4646 * @param enmFeature The feature to clear.
4647 *
4648 * @deprecated Probably better to default the feature to disabled and only allow
4649 * setting (enabling) it during construction.
4650 */
4651VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4652{
4653 PCPUMCPUIDLEAF pLeaf;
4654 switch (enmFeature)
4655 {
4656 case CPUMCPUIDFEATURE_APIC:
4657 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4658 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4659 if (pLeaf)
4660 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4661
4662 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4663 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4664 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4665
4666 pVM->cpum.s.GuestFeatures.fApic = 0;
4667 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4668 break;
4669
4670 case CPUMCPUIDFEATURE_X2APIC:
4671 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4672 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4673 if (pLeaf)
4674 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4675 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4676 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4677 break;
4678
4679 case CPUMCPUIDFEATURE_PAE:
4680 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4681 if (pLeaf)
4682 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4683
4684 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4685 if ( pLeaf
4686 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4687 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4688
4689 pVM->cpum.s.GuestFeatures.fPae = 0;
4690 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4691 break;
4692
4693 case CPUMCPUIDFEATURE_PAT:
4694 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4695 if (pLeaf)
4696 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4697
4698 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4699 if ( pLeaf
4700 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4701 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4702
4703 pVM->cpum.s.GuestFeatures.fPat = 0;
4704 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4705 break;
4706
4707 case CPUMCPUIDFEATURE_LONG_MODE:
4708 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4709 if (pLeaf)
4710 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4711 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4712 break;
4713
4714 case CPUMCPUIDFEATURE_LAHF:
4715 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4716 if (pLeaf)
4717 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4718 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4719 break;
4720
4721 case CPUMCPUIDFEATURE_RDTSCP:
4722 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4723 if (pLeaf)
4724 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4725 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4726 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4727 break;
4728
4729 case CPUMCPUIDFEATURE_HVP:
4730 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4731 if (pLeaf)
4732 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4733 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4734 break;
4735
4736 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4737 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4738 if (pLeaf)
4739 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4740 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4741 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4742 break;
4743
4744 default:
4745 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4746 break;
4747 }
4748
4749 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4750 {
4751 PVMCPU pVCpu = &pVM->aCpus[i];
4752 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4753 }
4754}
4755
4756
4757
4758/*
4759 *
4760 *
4761 * Saved state related code.
4762 * Saved state related code.
4763 * Saved state related code.
4764 *
4765 *
4766 */
4767
4768/**
4769 * Called both in pass 0 and the final pass.
4770 *
4771 * @param pVM The cross context VM structure.
4772 * @param pSSM The saved state handle.
4773 */
4774void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4775{
4776 /*
4777 * Save all the CPU ID leaves.
4778 */
4779 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4780 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4781 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4782 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4783
4784 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4785
4786 /*
4787 * Save a good portion of the raw CPU IDs as well as they may come in
4788 * handy when validating features for raw mode.
4789 */
4790 CPUMCPUID aRawStd[16];
4791 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4792 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4793 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4794 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4795
4796 CPUMCPUID aRawExt[32];
4797 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4798 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4799 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4800 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4801}
4802
4803
4804static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4805{
4806 uint32_t cCpuIds;
4807 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4808 if (RT_SUCCESS(rc))
4809 {
4810 if (cCpuIds < 64)
4811 {
4812 for (uint32_t i = 0; i < cCpuIds; i++)
4813 {
4814 CPUMCPUID CpuId;
4815 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4816 if (RT_FAILURE(rc))
4817 break;
4818
4819 CPUMCPUIDLEAF NewLeaf;
4820 NewLeaf.uLeaf = uBase + i;
4821 NewLeaf.uSubLeaf = 0;
4822 NewLeaf.fSubLeafMask = 0;
4823 NewLeaf.uEax = CpuId.uEax;
4824 NewLeaf.uEbx = CpuId.uEbx;
4825 NewLeaf.uEcx = CpuId.uEcx;
4826 NewLeaf.uEdx = CpuId.uEdx;
4827 NewLeaf.fFlags = 0;
4828 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4829 }
4830 }
4831 else
4832 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4833 }
4834 if (RT_FAILURE(rc))
4835 {
4836 RTMemFree(*ppaLeaves);
4837 *ppaLeaves = NULL;
4838 *pcLeaves = 0;
4839 }
4840 return rc;
4841}
4842
4843
4844static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4845{
4846 *ppaLeaves = NULL;
4847 *pcLeaves = 0;
4848
4849 int rc;
4850 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4851 {
4852 /*
4853 * The new format. Starts by declaring the leave size and count.
4854 */
4855 uint32_t cbLeaf;
4856 SSMR3GetU32(pSSM, &cbLeaf);
4857 uint32_t cLeaves;
4858 rc = SSMR3GetU32(pSSM, &cLeaves);
4859 if (RT_SUCCESS(rc))
4860 {
4861 if (cbLeaf == sizeof(**ppaLeaves))
4862 {
4863 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4864 {
4865 /*
4866 * Load the leaves one by one.
4867 *
4868 * The uPrev stuff is a kludge for working around a week worth of bad saved
4869 * states during the CPUID revamp in March 2015. We saved too many leaves
4870 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4871 * garbage entires at the end of the array when restoring. We also had
4872 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4873 * this kludge doesn't deal correctly with that, but who cares...
4874 */
4875 uint32_t uPrev = 0;
4876 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4877 {
4878 CPUMCPUIDLEAF Leaf;
4879 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
4880 if (RT_SUCCESS(rc))
4881 {
4882 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
4883 || Leaf.uLeaf >= uPrev)
4884 {
4885 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4886 uPrev = Leaf.uLeaf;
4887 }
4888 else
4889 uPrev = UINT32_MAX;
4890 }
4891 }
4892 }
4893 else
4894 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
4895 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
4896 }
4897 else
4898 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
4899 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
4900 }
4901 }
4902 else
4903 {
4904 /*
4905 * The old format with its three inflexible arrays.
4906 */
4907 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
4908 if (RT_SUCCESS(rc))
4909 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
4910 if (RT_SUCCESS(rc))
4911 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
4912 if (RT_SUCCESS(rc))
4913 {
4914 /*
4915 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
4916 */
4917 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
4918 if ( pLeaf
4919 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
4920 {
4921 CPUMCPUIDLEAF Leaf;
4922 Leaf.uLeaf = 4;
4923 Leaf.fSubLeafMask = UINT32_MAX;
4924 Leaf.uSubLeaf = 0;
4925 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
4926 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
4927 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
4928 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
4929 | UINT32_C(63); /* system coherency line size - 1 */
4930 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
4931 | (UINT32_C(0) << 14) /* threads per cache - 1 */
4932 | (UINT32_C(1) << 5) /* cache level */
4933 | UINT32_C(1); /* cache type (data) */
4934 Leaf.fFlags = 0;
4935 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4936 if (RT_SUCCESS(rc))
4937 {
4938 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
4939 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4940 }
4941 if (RT_SUCCESS(rc))
4942 {
4943 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
4944 Leaf.uEcx = 4095; /* sets - 1 */
4945 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
4946 Leaf.uEbx |= UINT32_C(23) << 22;
4947 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
4948 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
4949 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
4950 Leaf.uEax |= UINT32_C(2) << 5;
4951 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4952 }
4953 }
4954 }
4955 }
4956 return rc;
4957}
4958
4959
4960/**
4961 * Loads the CPU ID leaves saved by pass 0, inner worker.
4962 *
4963 * @returns VBox status code.
4964 * @param pVM The cross context VM structure.
4965 * @param pSSM The saved state handle.
4966 * @param uVersion The format version.
4967 * @param paLeaves Guest CPUID leaves loaded from the state.
4968 * @param cLeaves The number of leaves in @a paLeaves.
4969 */
4970int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
4971{
4972 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
4973
4974 /*
4975 * Continue loading the state into stack buffers.
4976 */
4977 CPUMCPUID GuestDefCpuId;
4978 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
4979 AssertRCReturn(rc, rc);
4980
4981 CPUMCPUID aRawStd[16];
4982 uint32_t cRawStd;
4983 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
4984 if (cRawStd > RT_ELEMENTS(aRawStd))
4985 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4986 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
4987 AssertRCReturn(rc, rc);
4988 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
4989 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4990
4991 CPUMCPUID aRawExt[32];
4992 uint32_t cRawExt;
4993 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
4994 if (cRawExt > RT_ELEMENTS(aRawExt))
4995 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4996 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
4997 AssertRCReturn(rc, rc);
4998 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
4999 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5000
5001 /*
5002 * Get the raw CPU IDs for the current host.
5003 */
5004 CPUMCPUID aHostRawStd[16];
5005 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5006 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5007
5008 CPUMCPUID aHostRawExt[32];
5009 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5010 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5011 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5012
5013 /*
5014 * Get the host and guest overrides so we don't reject the state because
5015 * some feature was enabled thru these interfaces.
5016 * Note! We currently only need the feature leaves, so skip rest.
5017 */
5018 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5019 CPUMCPUID aHostOverrideStd[2];
5020 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5021 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5022
5023 CPUMCPUID aHostOverrideExt[2];
5024 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5025 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5026
5027 /*
5028 * This can be skipped.
5029 */
5030 bool fStrictCpuIdChecks;
5031 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5032
5033 /*
5034 * Define a bunch of macros for simplifying the santizing/checking code below.
5035 */
5036 /* Generic expression + failure message. */
5037#define CPUID_CHECK_RET(expr, fmt) \
5038 do { \
5039 if (!(expr)) \
5040 { \
5041 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5042 if (fStrictCpuIdChecks) \
5043 { \
5044 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5045 RTStrFree(pszMsg); \
5046 return rcCpuid; \
5047 } \
5048 LogRel(("CPUM: %s\n", pszMsg)); \
5049 RTStrFree(pszMsg); \
5050 } \
5051 } while (0)
5052#define CPUID_CHECK_WRN(expr, fmt) \
5053 do { \
5054 if (!(expr)) \
5055 LogRel(fmt); \
5056 } while (0)
5057
5058 /* For comparing two values and bitch if they differs. */
5059#define CPUID_CHECK2_RET(what, host, saved) \
5060 do { \
5061 if ((host) != (saved)) \
5062 { \
5063 if (fStrictCpuIdChecks) \
5064 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5065 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5066 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5067 } \
5068 } while (0)
5069#define CPUID_CHECK2_WRN(what, host, saved) \
5070 do { \
5071 if ((host) != (saved)) \
5072 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5073 } while (0)
5074
5075 /* For checking raw cpu features (raw mode). */
5076#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5077 do { \
5078 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5079 { \
5080 if (fStrictCpuIdChecks) \
5081 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5082 N_(#bit " mismatch: host=%d saved=%d"), \
5083 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5084 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5085 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5086 } \
5087 } while (0)
5088#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5089 do { \
5090 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5091 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5092 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5093 } while (0)
5094#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5095
5096 /* For checking guest features. */
5097#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5098 do { \
5099 if ( (aGuestCpuId##set [1].reg & bit) \
5100 && !(aHostRaw##set [1].reg & bit) \
5101 && !(aHostOverride##set [1].reg & bit) \
5102 ) \
5103 { \
5104 if (fStrictCpuIdChecks) \
5105 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5106 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5107 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5108 } \
5109 } while (0)
5110#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5111 do { \
5112 if ( (aGuestCpuId##set [1].reg & bit) \
5113 && !(aHostRaw##set [1].reg & bit) \
5114 && !(aHostOverride##set [1].reg & bit) \
5115 ) \
5116 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5117 } while (0)
5118#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5119 do { \
5120 if ( (aGuestCpuId##set [1].reg & bit) \
5121 && !(aHostRaw##set [1].reg & bit) \
5122 && !(aHostOverride##set [1].reg & bit) \
5123 ) \
5124 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5125 } while (0)
5126#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5127
5128 /* For checking guest features if AMD guest CPU. */
5129#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5130 do { \
5131 if ( (aGuestCpuId##set [1].reg & bit) \
5132 && fGuestAmd \
5133 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5134 && !(aHostOverride##set [1].reg & bit) \
5135 ) \
5136 { \
5137 if (fStrictCpuIdChecks) \
5138 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5139 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5140 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5141 } \
5142 } while (0)
5143#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5144 do { \
5145 if ( (aGuestCpuId##set [1].reg & bit) \
5146 && fGuestAmd \
5147 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5148 && !(aHostOverride##set [1].reg & bit) \
5149 ) \
5150 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5151 } while (0)
5152#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5153 do { \
5154 if ( (aGuestCpuId##set [1].reg & bit) \
5155 && fGuestAmd \
5156 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5157 && !(aHostOverride##set [1].reg & bit) \
5158 ) \
5159 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5160 } while (0)
5161#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5162
5163 /* For checking AMD features which have a corresponding bit in the standard
5164 range. (Intel defines very few bits in the extended feature sets.) */
5165#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5166 do { \
5167 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5168 && !(fHostAmd \
5169 ? aHostRawExt[1].reg & (ExtBit) \
5170 : aHostRawStd[1].reg & (StdBit)) \
5171 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5172 ) \
5173 { \
5174 if (fStrictCpuIdChecks) \
5175 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5176 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5177 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5178 } \
5179 } while (0)
5180#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5181 do { \
5182 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5183 && !(fHostAmd \
5184 ? aHostRawExt[1].reg & (ExtBit) \
5185 : aHostRawStd[1].reg & (StdBit)) \
5186 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5187 ) \
5188 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5189 } while (0)
5190#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5191 do { \
5192 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5193 && !(fHostAmd \
5194 ? aHostRawExt[1].reg & (ExtBit) \
5195 : aHostRawStd[1].reg & (StdBit)) \
5196 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5197 ) \
5198 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5199 } while (0)
5200#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5201
5202 /*
5203 * For raw-mode we'll require that the CPUs are very similar since we don't
5204 * intercept CPUID instructions for user mode applications.
5205 */
5206 if (!HMIsEnabled(pVM))
5207 {
5208 /* CPUID(0) */
5209 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5210 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5211 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5212 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5213 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5214 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5215 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5216 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5217 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5218
5219 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5220
5221 /* CPUID(1).eax */
5222 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5223 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5224 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5225
5226 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5227 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5228 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5229
5230 /* CPUID(1).ecx */
5231 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5232 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5233 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5234 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5235 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5236 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5237 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5238 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5239 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5240 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5241 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5242 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5243 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5244 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5245 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5246 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5247 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5248 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5249 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5250 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5251 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5252 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5253 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5254 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5255 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5256 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5257 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5258 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5259 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5260 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5261 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5262 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5263
5264 /* CPUID(1).edx */
5265 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5266 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5267 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5268 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5269 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5270 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5271 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5272 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5273 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5274 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5275 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5276 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5277 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5278 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5279 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5280 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5281 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5282 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5283 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5284 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5285 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5286 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5287 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5288 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5289 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5290 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5291 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5292 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5293 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5294 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5295 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5296 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5297
5298 /* CPUID(2) - config, mostly about caches. ignore. */
5299 /* CPUID(3) - processor serial number. ignore. */
5300 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5301 /* CPUID(5) - mwait/monitor config. ignore. */
5302 /* CPUID(6) - power management. ignore. */
5303 /* CPUID(7) - ???. ignore. */
5304 /* CPUID(8) - ???. ignore. */
5305 /* CPUID(9) - DCA. ignore for now. */
5306 /* CPUID(a) - PeMo info. ignore for now. */
5307 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5308
5309 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5310 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5311 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5312 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5313 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5314 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5315 {
5316 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5317 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5318 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5319/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5320 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5321 }
5322
5323 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5324 Note! Intel have/is marking many of the fields here as reserved. We
5325 will verify them as if it's an AMD CPU. */
5326 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5327 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5328 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5329 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5330 {
5331 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5332 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5333 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5334 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5335 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5336 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5337 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5338
5339 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5340 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5341 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5342 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5343 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5344 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5345
5346 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5347 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5348 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5349 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5350
5351 /* CPUID(0x80000001).ecx */
5352 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5353 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5354 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5355 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5356 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5357 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5358 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5359 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5360 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5361 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5362 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5363 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5364 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5365 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5366 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5367 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5368 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5369 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5370 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5371 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5372 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5373 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5374 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5375 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5376 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5377 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5378 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5379 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5380 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5381 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5382 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5383 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5384
5385 /* CPUID(0x80000001).edx */
5386 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5387 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5388 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5389 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5390 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5391 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5392 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5393 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5394 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5395 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5396 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5397 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5398 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5399 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5400 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5401 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5402 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5403 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5404 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5405 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5406 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5407 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5408 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5409 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5410 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5411 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5412 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5413 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5414 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5415 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5416 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5417 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5418
5419 /** @todo verify the rest as well. */
5420 }
5421 }
5422
5423
5424
5425 /*
5426 * Verify that we can support the features already exposed to the guest on
5427 * this host.
5428 *
5429 * Most of the features we're emulating requires intercepting instruction
5430 * and doing it the slow way, so there is no need to warn when they aren't
5431 * present in the host CPU. Thus we use IGN instead of EMU on these.
5432 *
5433 * Trailing comments:
5434 * "EMU" - Possible to emulate, could be lots of work and very slow.
5435 * "EMU?" - Can this be emulated?
5436 */
5437 CPUMCPUID aGuestCpuIdStd[2];
5438 RT_ZERO(aGuestCpuIdStd);
5439 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5440
5441 /* CPUID(1).ecx */
5442 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5443 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5444 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5445 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5446 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5447 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5448 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5449 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5450 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5451 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5452 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5453 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5454 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5455 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5456 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5457 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5458 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5459 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5460 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5461 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5462 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5463 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5464 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5465 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5466 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5467 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5468 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5469 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5470 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5471 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5472 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5473 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5474
5475 /* CPUID(1).edx */
5476 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5477 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5478 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5479 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5480 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5481 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5482 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5483 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5484 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5485 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5486 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5487 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5488 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5489 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5490 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5491 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5492 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5493 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5494 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5495 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5496 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5497 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5498 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5499 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5500 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5501 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5502 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5503 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5504 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5505 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5506 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5507 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5508
5509 /* CPUID(0x80000000). */
5510 CPUMCPUID aGuestCpuIdExt[2];
5511 RT_ZERO(aGuestCpuIdExt);
5512 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5513 {
5514 /** @todo deal with no 0x80000001 on the host. */
5515 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5516 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5517
5518 /* CPUID(0x80000001).ecx */
5519 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5520 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5521 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5522 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5523 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5524 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5525 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5526 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5527 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5528 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5529 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5530 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5531 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5532 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5533 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5534 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5535 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5536 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5537 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5538 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5539 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5540 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5541 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5542 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5543 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5544 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5545 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5546 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5547 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5548 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5549 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5550 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5551
5552 /* CPUID(0x80000001).edx */
5553 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5554 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5555 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5556 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5557 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5558 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5559 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5560 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5561 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5562 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5563 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5564 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5565 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5566 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5567 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5568 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5569 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5570 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5571 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5572 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5573 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5574 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5575 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5576 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5577 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5578 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5579 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5580 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5581 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5582 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5583 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5584 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5585 }
5586
5587 /** @todo check leaf 7 */
5588
5589 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5590 * ECX=0: EAX - Valid bits in XCR0[31:0].
5591 * EBX - Maximum state size as per current XCR0 value.
5592 * ECX - Maximum state size for all supported features.
5593 * EDX - Valid bits in XCR0[63:32].
5594 * ECX=1: EAX - Various X-features.
5595 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5596 * ECX - Valid bits in IA32_XSS[31:0].
5597 * EDX - Valid bits in IA32_XSS[63:32].
5598 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5599 * if the bit invalid all four registers are set to zero.
5600 * EAX - The state size for this feature.
5601 * EBX - The state byte offset of this feature.
5602 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5603 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5604 */
5605 uint64_t fGuestXcr0Mask = 0;
5606 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5607 if ( pCurLeaf
5608 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5609 && ( pCurLeaf->uEax
5610 || pCurLeaf->uEbx
5611 || pCurLeaf->uEcx
5612 || pCurLeaf->uEdx) )
5613 {
5614 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5615 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5616 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5617 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5618 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5619 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5620 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5621 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5622
5623 /* We don't support any additional features yet. */
5624 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5625 if (pCurLeaf && pCurLeaf->uEax)
5626 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5627 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5628 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5629 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5630 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5631 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5632
5633
5634 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5635 {
5636 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5637 if (pCurLeaf)
5638 {
5639 /* If advertised, the state component offset and size must match the one used by host. */
5640 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5641 {
5642 CPUMCPUID RawHost;
5643 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5644 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5645 if ( RawHost.uEbx != pCurLeaf->uEbx
5646 || RawHost.uEax != pCurLeaf->uEax)
5647 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5648 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5649 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5650 }
5651 }
5652 }
5653 }
5654 /* Clear leaf 0xd just in case we're loading an old state... */
5655 else if (pCurLeaf)
5656 {
5657 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5658 {
5659 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5660 if (pCurLeaf)
5661 {
5662 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5663 || ( pCurLeaf->uEax == 0
5664 && pCurLeaf->uEbx == 0
5665 && pCurLeaf->uEcx == 0
5666 && pCurLeaf->uEdx == 0),
5667 ("uVersion=%#x; %#x %#x %#x %#x\n",
5668 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5669 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5670 }
5671 }
5672 }
5673
5674 /* Update the fXStateGuestMask value for the VM. */
5675 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5676 {
5677 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5678 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5679 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5680 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5681 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5682 }
5683
5684#undef CPUID_CHECK_RET
5685#undef CPUID_CHECK_WRN
5686#undef CPUID_CHECK2_RET
5687#undef CPUID_CHECK2_WRN
5688#undef CPUID_RAW_FEATURE_RET
5689#undef CPUID_RAW_FEATURE_WRN
5690#undef CPUID_RAW_FEATURE_IGN
5691#undef CPUID_GST_FEATURE_RET
5692#undef CPUID_GST_FEATURE_WRN
5693#undef CPUID_GST_FEATURE_EMU
5694#undef CPUID_GST_FEATURE_IGN
5695#undef CPUID_GST_FEATURE2_RET
5696#undef CPUID_GST_FEATURE2_WRN
5697#undef CPUID_GST_FEATURE2_EMU
5698#undef CPUID_GST_FEATURE2_IGN
5699#undef CPUID_GST_AMD_FEATURE_RET
5700#undef CPUID_GST_AMD_FEATURE_WRN
5701#undef CPUID_GST_AMD_FEATURE_EMU
5702#undef CPUID_GST_AMD_FEATURE_IGN
5703
5704 /*
5705 * We're good, commit the CPU ID leaves.
5706 */
5707 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5708 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5709 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5710 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5711 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5712 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5713 AssertLogRelRCReturn(rc, rc);
5714
5715 return VINF_SUCCESS;
5716}
5717
5718
5719/**
5720 * Loads the CPU ID leaves saved by pass 0.
5721 *
5722 * @returns VBox status code.
5723 * @param pVM The cross context VM structure.
5724 * @param pSSM The saved state handle.
5725 * @param uVersion The format version.
5726 */
5727int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5728{
5729 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5730
5731 /*
5732 * Load the CPUID leaves array first and call worker to do the rest, just so
5733 * we can free the memory when we need to without ending up in column 1000.
5734 */
5735 PCPUMCPUIDLEAF paLeaves;
5736 uint32_t cLeaves;
5737 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5738 AssertRC(rc);
5739 if (RT_SUCCESS(rc))
5740 {
5741 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5742 RTMemFree(paLeaves);
5743 }
5744 return rc;
5745}
5746
5747
5748
5749/**
5750 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5751 *
5752 * @returns VBox status code.
5753 * @param pVM The cross context VM structure.
5754 * @param pSSM The saved state handle.
5755 * @param uVersion The format version.
5756 */
5757int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5758{
5759 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5760
5761 /*
5762 * Restore the CPUID leaves.
5763 *
5764 * Note that we support restoring less than the current amount of standard
5765 * leaves because we've been allowed more is newer version of VBox.
5766 */
5767 uint32_t cElements;
5768 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5769 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5770 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5771 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5772
5773 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5774 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5775 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5776 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5777
5778 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5779 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5780 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5781 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5782
5783 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5784
5785 /*
5786 * Check that the basic cpuid id information is unchanged.
5787 */
5788 /** @todo we should check the 64 bits capabilities too! */
5789 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5790 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5791 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5792 uint32_t au32CpuIdSaved[8];
5793 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5794 if (RT_SUCCESS(rc))
5795 {
5796 /* Ignore CPU stepping. */
5797 au32CpuId[4] &= 0xfffffff0;
5798 au32CpuIdSaved[4] &= 0xfffffff0;
5799
5800 /* Ignore APIC ID (AMD specs). */
5801 au32CpuId[5] &= ~0xff000000;
5802 au32CpuIdSaved[5] &= ~0xff000000;
5803
5804 /* Ignore the number of Logical CPUs (AMD specs). */
5805 au32CpuId[5] &= ~0x00ff0000;
5806 au32CpuIdSaved[5] &= ~0x00ff0000;
5807
5808 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5809 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5810 | X86_CPUID_FEATURE_ECX_VMX
5811 | X86_CPUID_FEATURE_ECX_SMX
5812 | X86_CPUID_FEATURE_ECX_EST
5813 | X86_CPUID_FEATURE_ECX_TM2
5814 | X86_CPUID_FEATURE_ECX_CNTXID
5815 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5816 | X86_CPUID_FEATURE_ECX_PDCM
5817 | X86_CPUID_FEATURE_ECX_DCA
5818 | X86_CPUID_FEATURE_ECX_X2APIC
5819 );
5820 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5821 | X86_CPUID_FEATURE_ECX_VMX
5822 | X86_CPUID_FEATURE_ECX_SMX
5823 | X86_CPUID_FEATURE_ECX_EST
5824 | X86_CPUID_FEATURE_ECX_TM2
5825 | X86_CPUID_FEATURE_ECX_CNTXID
5826 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5827 | X86_CPUID_FEATURE_ECX_PDCM
5828 | X86_CPUID_FEATURE_ECX_DCA
5829 | X86_CPUID_FEATURE_ECX_X2APIC
5830 );
5831
5832 /* Make sure we don't forget to update the masks when enabling
5833 * features in the future.
5834 */
5835 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5836 ( X86_CPUID_FEATURE_ECX_DTES64
5837 | X86_CPUID_FEATURE_ECX_VMX
5838 | X86_CPUID_FEATURE_ECX_SMX
5839 | X86_CPUID_FEATURE_ECX_EST
5840 | X86_CPUID_FEATURE_ECX_TM2
5841 | X86_CPUID_FEATURE_ECX_CNTXID
5842 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5843 | X86_CPUID_FEATURE_ECX_PDCM
5844 | X86_CPUID_FEATURE_ECX_DCA
5845 | X86_CPUID_FEATURE_ECX_X2APIC
5846 )));
5847 /* do the compare */
5848 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5849 {
5850 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5851 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5852 "Saved=%.*Rhxs\n"
5853 "Real =%.*Rhxs\n",
5854 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5855 sizeof(au32CpuId), au32CpuId));
5856 else
5857 {
5858 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5859 "Saved=%.*Rhxs\n"
5860 "Real =%.*Rhxs\n",
5861 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5862 sizeof(au32CpuId), au32CpuId));
5863 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5864 }
5865 }
5866 }
5867
5868 return rc;
5869}
5870
5871
5872
5873/*
5874 *
5875 *
5876 * CPUID Info Handler.
5877 * CPUID Info Handler.
5878 * CPUID Info Handler.
5879 *
5880 *
5881 */
5882
5883
5884
5885/**
5886 * Get L1 cache / TLS associativity.
5887 */
5888static const char *getCacheAss(unsigned u, char *pszBuf)
5889{
5890 if (u == 0)
5891 return "res0 ";
5892 if (u == 1)
5893 return "direct";
5894 if (u == 255)
5895 return "fully";
5896 if (u >= 256)
5897 return "???";
5898
5899 RTStrPrintf(pszBuf, 16, "%d way", u);
5900 return pszBuf;
5901}
5902
5903
5904/**
5905 * Get L2 cache associativity.
5906 */
5907const char *getL2CacheAss(unsigned u)
5908{
5909 switch (u)
5910 {
5911 case 0: return "off ";
5912 case 1: return "direct";
5913 case 2: return "2 way ";
5914 case 3: return "res3 ";
5915 case 4: return "4 way ";
5916 case 5: return "res5 ";
5917 case 6: return "8 way ";
5918 case 7: return "res7 ";
5919 case 8: return "16 way";
5920 case 9: return "res9 ";
5921 case 10: return "res10 ";
5922 case 11: return "res11 ";
5923 case 12: return "res12 ";
5924 case 13: return "res13 ";
5925 case 14: return "res14 ";
5926 case 15: return "fully ";
5927 default: return "????";
5928 }
5929}
5930
5931
5932/** CPUID(1).EDX field descriptions. */
5933static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
5934{
5935 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5936 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5937 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5938 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5939 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5940 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
5941 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5942 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5943 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5944 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5945 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
5946 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5947 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5948 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5949 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5950 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5951 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5952 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
5953 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
5954 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
5955 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
5956 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5957 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
5958 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
5959 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
5960 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
5961 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
5962 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
5963 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
5964 DBGFREGSUBFIELD_TERMINATOR()
5965};
5966
5967/** CPUID(1).ECX field descriptions. */
5968static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
5969{
5970 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
5971 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
5972 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
5973 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
5974 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
5975 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
5976 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
5977 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
5978 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
5979 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
5980 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
5981 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
5982 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
5983 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
5984 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
5985 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
5986 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
5987 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
5988 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
5989 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
5990 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
5991 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
5992 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
5993 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
5994 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
5995 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
5996 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
5997 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
5998 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
5999 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6000 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6001 DBGFREGSUBFIELD_TERMINATOR()
6002};
6003
6004/** CPUID(7,0).EBX field descriptions. */
6005static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6006{
6007 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6008 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6009 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6010 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6011 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6012 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6013 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6014 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6015 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6016 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6017 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6018 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6019 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6020 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6021 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6022 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6023 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6024 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6025 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6026 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6027 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6028 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6029 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6030 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6031 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6032 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6033 DBGFREGSUBFIELD_TERMINATOR()
6034};
6035
6036/** CPUID(7,0).ECX field descriptions. */
6037static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6038{
6039 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6040 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6041 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6042 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6043 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6044 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6045 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6046 DBGFREGSUBFIELD_TERMINATOR()
6047};
6048
6049/** CPUID(7,0).EDX field descriptions. */
6050static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6051{
6052 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6053 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6054 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6055 DBGFREGSUBFIELD_TERMINATOR()
6056};
6057
6058
6059/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6060static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6061{
6062 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6063 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6064 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6065 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6066 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6067 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6068 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6069 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6070 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6071 DBGFREGSUBFIELD_TERMINATOR()
6072};
6073
6074/** CPUID(13,1).EAX field descriptions. */
6075static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6076{
6077 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6078 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6079 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6080 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6081 DBGFREGSUBFIELD_TERMINATOR()
6082};
6083
6084
6085/** CPUID(0x80000001,0).EDX field descriptions. */
6086static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6087{
6088 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6089 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6090 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6091 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6092 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6093 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6094 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6095 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6096 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6097 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6098 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6099 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6100 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6101 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6102 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6103 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6104 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6105 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6106 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6107 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6108 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6109 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6110 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6111 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6112 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6113 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6114 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6115 DBGFREGSUBFIELD_TERMINATOR()
6116};
6117
6118/** CPUID(0x80000001,0).ECX field descriptions. */
6119static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6120{
6121 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6122 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6123 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6124 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6125 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6126 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6127 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6128 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6129 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6130 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6131 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6132 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6133 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6134 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6135 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6136 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6137 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6138 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6139 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6140 DBGFREGSUBFIELD_TERMINATOR()
6141};
6142
6143/** CPUID(0x80000008,0).EBX field descriptions. */
6144static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6145{
6146 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6147 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6148 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6149 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6150 DBGFREGSUBFIELD_TERMINATOR()
6151};
6152
6153
6154static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6155 const char *pszLeadIn, uint32_t cchWidth)
6156{
6157 if (pszLeadIn)
6158 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6159
6160 for (uint32_t iBit = 0; iBit < 32; iBit++)
6161 if (RT_BIT_32(iBit) & uVal)
6162 {
6163 while ( pDesc->pszName != NULL
6164 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6165 pDesc++;
6166 if ( pDesc->pszName != NULL
6167 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6168 {
6169 if (pDesc->cBits == 1)
6170 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6171 else
6172 {
6173 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6174 if (pDesc->cBits < 32)
6175 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6176 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6177 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6178 }
6179 }
6180 else
6181 pHlp->pfnPrintf(pHlp, " %u", iBit);
6182 }
6183 if (pszLeadIn)
6184 pHlp->pfnPrintf(pHlp, "\n");
6185}
6186
6187
6188static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6189 const char *pszLeadIn, uint32_t cchWidth)
6190{
6191 if (pszLeadIn)
6192 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6193
6194 for (uint32_t iBit = 0; iBit < 64; iBit++)
6195 if (RT_BIT_64(iBit) & uVal)
6196 {
6197 while ( pDesc->pszName != NULL
6198 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6199 pDesc++;
6200 if ( pDesc->pszName != NULL
6201 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6202 {
6203 if (pDesc->cBits == 1)
6204 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6205 else
6206 {
6207 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6208 if (pDesc->cBits < 64)
6209 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6210 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6211 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6212 }
6213 }
6214 else
6215 pHlp->pfnPrintf(pHlp, " %u", iBit);
6216 }
6217 if (pszLeadIn)
6218 pHlp->pfnPrintf(pHlp, "\n");
6219}
6220
6221
6222static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6223 const char *pszLeadIn, uint32_t cchWidth)
6224{
6225 if (!uVal)
6226 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6227 else
6228 {
6229 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6230 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6231 pHlp->pfnPrintf(pHlp, " )\n");
6232 }
6233}
6234
6235
6236static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6237 uint32_t cchWidth)
6238{
6239 uint32_t uCombined = uVal1 | uVal2;
6240 for (uint32_t iBit = 0; iBit < 32; iBit++)
6241 if ( (RT_BIT_32(iBit) & uCombined)
6242 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6243 {
6244 while ( pDesc->pszName != NULL
6245 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6246 pDesc++;
6247
6248 if ( pDesc->pszName != NULL
6249 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6250 {
6251 size_t cchMnemonic = strlen(pDesc->pszName);
6252 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6253 size_t cchDesc = strlen(pszDesc);
6254 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6255 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6256 if (pDesc->cBits < 32)
6257 {
6258 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6259 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6260 }
6261
6262 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6263 pDesc->pszName, pszDesc,
6264 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6265 uFieldValue1, uFieldValue2);
6266
6267 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6268 pDesc++;
6269 }
6270 else
6271 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6272 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6273 }
6274}
6275
6276
6277/**
6278 * Produces a detailed summary of standard leaf 0x00000001.
6279 *
6280 * @param pHlp The info helper functions.
6281 * @param pCurLeaf The 0x00000001 leaf.
6282 * @param fVerbose Whether to be very verbose or not.
6283 * @param fIntel Set if intel CPU.
6284 */
6285static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6286{
6287 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6288 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6289 uint32_t uEAX = pCurLeaf->uEax;
6290 uint32_t uEBX = pCurLeaf->uEbx;
6291
6292 pHlp->pfnPrintf(pHlp,
6293 "%36s %2d \tExtended: %d \tEffective: %d\n"
6294 "%36s %2d \tExtended: %d \tEffective: %d\n"
6295 "%36s %d\n"
6296 "%36s %d (%s)\n"
6297 "%36s %#04x\n"
6298 "%36s %d\n"
6299 "%36s %d\n"
6300 "%36s %#04x\n"
6301 ,
6302 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6303 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6304 "Stepping:", ASMGetCpuStepping(uEAX),
6305 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6306 "APIC ID:", (uEBX >> 24) & 0xff,
6307 "Logical CPUs:",(uEBX >> 16) & 0xff,
6308 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6309 "Brand ID:", (uEBX >> 0) & 0xff);
6310 if (fVerbose)
6311 {
6312 CPUMCPUID Host;
6313 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6314 pHlp->pfnPrintf(pHlp, "Features\n");
6315 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6316 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6317 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6318 }
6319 else
6320 {
6321 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6322 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6323 }
6324}
6325
6326
6327/**
6328 * Produces a detailed summary of standard leaf 0x00000007.
6329 *
6330 * @param pHlp The info helper functions.
6331 * @param paLeaves The CPUID leaves array.
6332 * @param cLeaves The number of leaves in the array.
6333 * @param pCurLeaf The first 0x00000007 leaf.
6334 * @param fVerbose Whether to be very verbose or not.
6335 */
6336static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6337 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6338{
6339 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6340 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6341 for (;;)
6342 {
6343 CPUMCPUID Host;
6344 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6345
6346 switch (pCurLeaf->uSubLeaf)
6347 {
6348 case 0:
6349 if (fVerbose)
6350 {
6351 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6352 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6353 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6354 if (pCurLeaf->uEdx || Host.uEdx)
6355 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6356 }
6357 else
6358 {
6359 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6360 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6361 if (pCurLeaf->uEdx)
6362 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6363 }
6364 break;
6365
6366 default:
6367 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6368 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6369 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6370 break;
6371
6372 }
6373
6374 /* advance. */
6375 pCurLeaf++;
6376 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6377 || pCurLeaf->uLeaf != 0x7)
6378 break;
6379 }
6380}
6381
6382
6383/**
6384 * Produces a detailed summary of standard leaf 0x0000000d.
6385 *
6386 * @param pHlp The info helper functions.
6387 * @param paLeaves The CPUID leaves array.
6388 * @param cLeaves The number of leaves in the array.
6389 * @param pCurLeaf The first 0x00000007 leaf.
6390 * @param fVerbose Whether to be very verbose or not.
6391 */
6392static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6393 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6394{
6395 RT_NOREF_PV(fVerbose);
6396 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6397 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6398 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6399 {
6400 CPUMCPUID Host;
6401 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6402
6403 switch (uSubLeaf)
6404 {
6405 case 0:
6406 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6407 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6408 pCurLeaf->uEbx, pCurLeaf->uEcx);
6409 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6410
6411 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6412 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6413 "Valid XCR0 bits, guest:", 42);
6414 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6415 "Valid XCR0 bits, host:", 42);
6416 break;
6417
6418 case 1:
6419 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6420 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6421 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6422
6423 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6424 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6425 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6426
6427 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6428 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6429 " Valid IA32_XSS bits, guest:", 42);
6430 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6431 " Valid IA32_XSS bits, host:", 42);
6432 break;
6433
6434 default:
6435 if ( pCurLeaf
6436 && pCurLeaf->uSubLeaf == uSubLeaf
6437 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6438 {
6439 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6440 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6441 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6442 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6443 if (pCurLeaf->uEdx)
6444 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6445 pHlp->pfnPrintf(pHlp, " --");
6446 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6447 pHlp->pfnPrintf(pHlp, "\n");
6448 }
6449 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6450 {
6451 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6452 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6453 if (Host.uEcx & ~RT_BIT_32(0))
6454 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6455 if (Host.uEdx)
6456 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6457 pHlp->pfnPrintf(pHlp, " --");
6458 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6459 pHlp->pfnPrintf(pHlp, "\n");
6460 }
6461 break;
6462
6463 }
6464
6465 /* advance. */
6466 if (pCurLeaf)
6467 {
6468 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6469 && pCurLeaf->uSubLeaf <= uSubLeaf
6470 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6471 pCurLeaf++;
6472 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6473 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6474 pCurLeaf = NULL;
6475 }
6476 }
6477}
6478
6479
6480static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6481 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6482{
6483 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6484 && pCurLeaf->uLeaf <= uUpToLeaf)
6485 {
6486 pHlp->pfnPrintf(pHlp,
6487 " %s\n"
6488 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6489 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6490 && pCurLeaf->uLeaf <= uUpToLeaf)
6491 {
6492 CPUMCPUID Host;
6493 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6494 pHlp->pfnPrintf(pHlp,
6495 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6496 "Hst: %08x %08x %08x %08x\n",
6497 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6498 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6499 pCurLeaf++;
6500 }
6501 }
6502
6503 return pCurLeaf;
6504}
6505
6506
6507/**
6508 * Display the guest CpuId leaves.
6509 *
6510 * @param pVM The cross context VM structure.
6511 * @param pHlp The info helper functions.
6512 * @param pszArgs "terse", "default" or "verbose".
6513 */
6514DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6515{
6516 /*
6517 * Parse the argument.
6518 */
6519 unsigned iVerbosity = 1;
6520 if (pszArgs)
6521 {
6522 pszArgs = RTStrStripL(pszArgs);
6523 if (!strcmp(pszArgs, "terse"))
6524 iVerbosity--;
6525 else if (!strcmp(pszArgs, "verbose"))
6526 iVerbosity++;
6527 }
6528
6529 uint32_t uLeaf;
6530 CPUMCPUID Host;
6531 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6532 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6533 PCCPUMCPUIDLEAF pCurLeaf;
6534 PCCPUMCPUIDLEAF pNextLeaf;
6535 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6536 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6537 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6538
6539 /*
6540 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6541 */
6542 uint32_t cHstMax = ASMCpuId_EAX(0);
6543 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6544 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6545 pHlp->pfnPrintf(pHlp,
6546 " Raw Standard CPUID Leaves\n"
6547 " Leaf/sub-leaf eax ebx ecx edx\n");
6548 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6549 {
6550 uint32_t cMaxSubLeaves = 1;
6551 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6552 cMaxSubLeaves = 16;
6553 else if (uLeaf == 0xd)
6554 cMaxSubLeaves = 128;
6555
6556 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6557 {
6558 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6559 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6560 && pCurLeaf->uLeaf == uLeaf
6561 && pCurLeaf->uSubLeaf == uSubLeaf)
6562 {
6563 pHlp->pfnPrintf(pHlp,
6564 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6565 "Hst: %08x %08x %08x %08x\n",
6566 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6567 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6568 pCurLeaf++;
6569 }
6570 else if ( uLeaf != 0xd
6571 || uSubLeaf <= 1
6572 || Host.uEbx != 0 )
6573 pHlp->pfnPrintf(pHlp,
6574 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6575 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6576
6577 /* Done? */
6578 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6579 || pCurLeaf->uLeaf != uLeaf)
6580 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6581 || (uLeaf == 0x7 && Host.uEax == 0)
6582 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6583 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6584 || (uLeaf == 0xd && uSubLeaf >= 128)
6585 )
6586 )
6587 break;
6588 }
6589 }
6590 pNextLeaf = pCurLeaf;
6591
6592 /*
6593 * If verbose, decode it.
6594 */
6595 if (iVerbosity && paLeaves[0].uLeaf == 0)
6596 pHlp->pfnPrintf(pHlp,
6597 "%36s %.04s%.04s%.04s\n"
6598 "%36s 0x00000000-%#010x\n"
6599 ,
6600 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6601 "Supports:", paLeaves[0].uEax);
6602
6603 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6604 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6605
6606 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6607 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6608
6609 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6610 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6611
6612 pCurLeaf = pNextLeaf;
6613
6614 /*
6615 * Hypervisor leaves.
6616 *
6617 * Unlike most of the other leaves reported, the guest hypervisor leaves
6618 * aren't a subset of the host CPUID bits.
6619 */
6620 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6621
6622 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6623 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6624 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6625 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6626 cMax = RT_MAX(cHstMax, cGstMax);
6627 if (cMax >= UINT32_C(0x40000000))
6628 {
6629 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6630
6631 /** @todo dump these in more detail. */
6632
6633 pCurLeaf = pNextLeaf;
6634 }
6635
6636
6637 /*
6638 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6639 * Implemented after AMD specs.
6640 */
6641 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6642
6643 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6644 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6645 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6646 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6647 cMax = RT_MAX(cHstMax, cGstMax);
6648 if (cMax >= UINT32_C(0x80000000))
6649 {
6650
6651 pHlp->pfnPrintf(pHlp,
6652 " Raw Extended CPUID Leaves\n"
6653 " Leaf/sub-leaf eax ebx ecx edx\n");
6654 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6655 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6656 {
6657 uint32_t cMaxSubLeaves = 1;
6658 if (uLeaf == UINT32_C(0x8000001d))
6659 cMaxSubLeaves = 16;
6660
6661 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6662 {
6663 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6664 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6665 && pCurLeaf->uLeaf == uLeaf
6666 && pCurLeaf->uSubLeaf == uSubLeaf)
6667 {
6668 pHlp->pfnPrintf(pHlp,
6669 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6670 "Hst: %08x %08x %08x %08x\n",
6671 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6672 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6673 pCurLeaf++;
6674 }
6675 else if ( uLeaf != 0xd
6676 || uSubLeaf <= 1
6677 || Host.uEbx != 0 )
6678 pHlp->pfnPrintf(pHlp,
6679 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6680 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6681
6682 /* Done? */
6683 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6684 || pCurLeaf->uLeaf != uLeaf)
6685 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6686 break;
6687 }
6688 }
6689 pNextLeaf = pCurLeaf;
6690
6691 /*
6692 * Understandable output
6693 */
6694 if (iVerbosity)
6695 pHlp->pfnPrintf(pHlp,
6696 "Ext Name: %.4s%.4s%.4s\n"
6697 "Ext Supports: 0x80000000-%#010x\n",
6698 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6699
6700 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6701 if (iVerbosity && pCurLeaf)
6702 {
6703 uint32_t uEAX = pCurLeaf->uEax;
6704 pHlp->pfnPrintf(pHlp,
6705 "Family: %d \tExtended: %d \tEffective: %d\n"
6706 "Model: %d \tExtended: %d \tEffective: %d\n"
6707 "Stepping: %d\n"
6708 "Brand ID: %#05x\n",
6709 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6710 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6711 ASMGetCpuStepping(uEAX),
6712 pCurLeaf->uEbx & 0xfff);
6713
6714 if (iVerbosity == 1)
6715 {
6716 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6717 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6718 }
6719 else
6720 {
6721 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6722 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6723 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6724 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6725 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6726 }
6727 }
6728
6729 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6730 {
6731 char szString[4*4*3+1] = {0};
6732 uint32_t *pu32 = (uint32_t *)szString;
6733 *pu32++ = pCurLeaf->uEax;
6734 *pu32++ = pCurLeaf->uEbx;
6735 *pu32++ = pCurLeaf->uEcx;
6736 *pu32++ = pCurLeaf->uEdx;
6737 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6738 if (pCurLeaf)
6739 {
6740 *pu32++ = pCurLeaf->uEax;
6741 *pu32++ = pCurLeaf->uEbx;
6742 *pu32++ = pCurLeaf->uEcx;
6743 *pu32++ = pCurLeaf->uEdx;
6744 }
6745 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6746 if (pCurLeaf)
6747 {
6748 *pu32++ = pCurLeaf->uEax;
6749 *pu32++ = pCurLeaf->uEbx;
6750 *pu32++ = pCurLeaf->uEcx;
6751 *pu32++ = pCurLeaf->uEdx;
6752 }
6753 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6754 }
6755
6756 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6757 {
6758 uint32_t uEAX = pCurLeaf->uEax;
6759 uint32_t uEBX = pCurLeaf->uEbx;
6760 uint32_t uECX = pCurLeaf->uEcx;
6761 uint32_t uEDX = pCurLeaf->uEdx;
6762 char sz1[32];
6763 char sz2[32];
6764
6765 pHlp->pfnPrintf(pHlp,
6766 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6767 "TLB 2/4M Data: %s %3d entries\n",
6768 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6769 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6770 pHlp->pfnPrintf(pHlp,
6771 "TLB 4K Instr/Uni: %s %3d entries\n"
6772 "TLB 4K Data: %s %3d entries\n",
6773 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6774 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6775 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6776 "L1 Instr Cache Lines Per Tag: %d\n"
6777 "L1 Instr Cache Associativity: %s\n"
6778 "L1 Instr Cache Size: %d KB\n",
6779 (uEDX >> 0) & 0xff,
6780 (uEDX >> 8) & 0xff,
6781 getCacheAss((uEDX >> 16) & 0xff, sz1),
6782 (uEDX >> 24) & 0xff);
6783 pHlp->pfnPrintf(pHlp,
6784 "L1 Data Cache Line Size: %d bytes\n"
6785 "L1 Data Cache Lines Per Tag: %d\n"
6786 "L1 Data Cache Associativity: %s\n"
6787 "L1 Data Cache Size: %d KB\n",
6788 (uECX >> 0) & 0xff,
6789 (uECX >> 8) & 0xff,
6790 getCacheAss((uECX >> 16) & 0xff, sz1),
6791 (uECX >> 24) & 0xff);
6792 }
6793
6794 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6795 {
6796 uint32_t uEAX = pCurLeaf->uEax;
6797 uint32_t uEBX = pCurLeaf->uEbx;
6798 uint32_t uEDX = pCurLeaf->uEdx;
6799
6800 pHlp->pfnPrintf(pHlp,
6801 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6802 "L2 TLB 2/4M Data: %s %4d entries\n",
6803 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6804 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6805 pHlp->pfnPrintf(pHlp,
6806 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6807 "L2 TLB 4K Data: %s %4d entries\n",
6808 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6809 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6810 pHlp->pfnPrintf(pHlp,
6811 "L2 Cache Line Size: %d bytes\n"
6812 "L2 Cache Lines Per Tag: %d\n"
6813 "L2 Cache Associativity: %s\n"
6814 "L2 Cache Size: %d KB\n",
6815 (uEDX >> 0) & 0xff,
6816 (uEDX >> 8) & 0xf,
6817 getL2CacheAss((uEDX >> 12) & 0xf),
6818 (uEDX >> 16) & 0xffff);
6819 }
6820
6821 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6822 {
6823 uint32_t uEDX = pCurLeaf->uEdx;
6824
6825 pHlp->pfnPrintf(pHlp, "APM Features: ");
6826 if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " TS");
6827 if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " FID");
6828 if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " VID");
6829 if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " TTP");
6830 if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TM");
6831 if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " STC");
6832 if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " MC");
6833 if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " HWPSTATE");
6834 if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " TscInvariant");
6835 if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " CPB");
6836 if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " EffFreqRO");
6837 if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PFI");
6838 if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PA");
6839 for (unsigned iBit = 13; iBit < 32; iBit++)
6840 if (uEDX & RT_BIT(iBit))
6841 pHlp->pfnPrintf(pHlp, " %d", iBit);
6842 pHlp->pfnPrintf(pHlp, "\n");
6843
6844 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6845 pHlp->pfnPrintf(pHlp, "Host Invariant-TSC support: %RTbool\n",
6846 cHstMax >= UINT32_C(0x80000007) && (Host.uEdx & RT_BIT(8)));
6847
6848 }
6849
6850 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
6851 if (pCurLeaf != NULL)
6852 {
6853 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
6854 {
6855 if (iVerbosity < 1)
6856 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
6857 else
6858 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
6859 }
6860
6861 if (iVerbosity)
6862 {
6863 uint32_t uEAX = pCurLeaf->uEax;
6864 uint32_t uECX = pCurLeaf->uEcx;
6865
6866 pHlp->pfnPrintf(pHlp,
6867 "Physical Address Width: %d bits\n"
6868 "Virtual Address Width: %d bits\n"
6869 "Guest Physical Address Width: %d bits\n",
6870 (uEAX >> 0) & 0xff,
6871 (uEAX >> 8) & 0xff,
6872 (uEAX >> 16) & 0xff);
6873 pHlp->pfnPrintf(pHlp,
6874 "Physical Core Count: %d\n",
6875 ((uECX >> 0) & 0xff) + 1);
6876 }
6877 }
6878
6879 pCurLeaf = pNextLeaf;
6880 }
6881
6882
6883
6884 /*
6885 * Centaur.
6886 */
6887 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
6888
6889 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6890 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
6891 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
6892 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
6893 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
6894 cMax = RT_MAX(cHstMax, cGstMax);
6895 if (cMax >= UINT32_C(0xc0000000))
6896 {
6897 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
6898
6899 /*
6900 * Understandable output
6901 */
6902 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
6903 pHlp->pfnPrintf(pHlp,
6904 "Centaur Supports: 0xc0000000-%#010x\n",
6905 pCurLeaf->uEax);
6906
6907 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
6908 {
6909 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6910 uint32_t uEdxGst = pCurLeaf->uEdx;
6911 uint32_t uEdxHst = Host.uEdx;
6912
6913 if (iVerbosity == 1)
6914 {
6915 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
6916 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
6917 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
6918 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
6919 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
6920 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
6921 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
6922 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
6923 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
6924 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6925 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
6926 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
6927 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
6928 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
6929 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
6930 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
6931 for (unsigned iBit = 14; iBit < 32; iBit++)
6932 if (uEdxGst & RT_BIT(iBit))
6933 pHlp->pfnPrintf(pHlp, " %d", iBit);
6934 pHlp->pfnPrintf(pHlp, "\n");
6935 }
6936 else
6937 {
6938 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
6939 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
6940 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
6941 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
6942 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
6943 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
6944 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
6945 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
6946 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
6947 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6948 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
6949 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
6950 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
6951 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
6952 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
6953 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
6954 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
6955 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
6956 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
6957 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
6958 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
6959 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
6960 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
6961 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
6962 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
6963 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
6964 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
6965 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
6966 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
6967 for (unsigned iBit = 27; iBit < 32; iBit++)
6968 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
6969 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
6970 pHlp->pfnPrintf(pHlp, "\n");
6971 }
6972 }
6973
6974 pCurLeaf = pNextLeaf;
6975 }
6976
6977 /*
6978 * The remainder.
6979 */
6980 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
6981}
6982
6983
6984
6985
6986
6987/*
6988 *
6989 *
6990 * PATM interfaces.
6991 * PATM interfaces.
6992 * PATM interfaces.
6993 *
6994 *
6995 */
6996
6997
6998# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
6999/** @name Patchmanager CPUID legacy table APIs
7000 * @{
7001 */
7002
7003/**
7004 * Gets a pointer to the default CPUID leaf.
7005 *
7006 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
7007 * @param pVM The cross context VM structure.
7008 * @remark Intended for PATM only.
7009 */
7010VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
7011{
7012 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
7013}
7014
7015
7016/**
7017 * Gets a number of standard CPUID leaves (PATM only).
7018 *
7019 * @returns Number of leaves.
7020 * @param pVM The cross context VM structure.
7021 * @remark Intended for PATM - legacy, don't use in new code.
7022 */
7023VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
7024{
7025 RT_NOREF_PV(pVM);
7026 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
7027}
7028
7029
7030/**
7031 * Gets a number of extended CPUID leaves (PATM only).
7032 *
7033 * @returns Number of leaves.
7034 * @param pVM The cross context VM structure.
7035 * @remark Intended for PATM - legacy, don't use in new code.
7036 */
7037VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
7038{
7039 RT_NOREF_PV(pVM);
7040 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
7041}
7042
7043
7044/**
7045 * Gets a number of centaur CPUID leaves.
7046 *
7047 * @returns Number of leaves.
7048 * @param pVM The cross context VM structure.
7049 * @remark Intended for PATM - legacy, don't use in new code.
7050 */
7051VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
7052{
7053 RT_NOREF_PV(pVM);
7054 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
7055}
7056
7057
7058/**
7059 * Gets a pointer to the array of standard CPUID leaves.
7060 *
7061 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
7062 *
7063 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
7064 * @param pVM The cross context VM structure.
7065 * @remark Intended for PATM - legacy, don't use in new code.
7066 */
7067VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
7068{
7069 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
7070}
7071
7072
7073/**
7074 * Gets a pointer to the array of extended CPUID leaves.
7075 *
7076 * CPUMGetGuestCpuIdExtMax() give the size of the array.
7077 *
7078 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
7079 * @param pVM The cross context VM structure.
7080 * @remark Intended for PATM - legacy, don't use in new code.
7081 */
7082VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
7083{
7084 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
7085}
7086
7087
7088/**
7089 * Gets a pointer to the array of centaur CPUID leaves.
7090 *
7091 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
7092 *
7093 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7094 * @param pVM The cross context VM structure.
7095 * @remark Intended for PATM - legacy, don't use in new code.
7096 */
7097VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7098{
7099 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7100}
7101
7102/** @} */
7103# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7104
7105#endif /* VBOX_IN_VMM */
7106
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