VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 73281

Last change on this file since 73281 was 73274, checked in by vboxsync, 6 years ago

VMM: Nested VMX: bugref:9180 Reports bits of IA32_FEATURE_CONTROL, start implementing IA32_VMX_BASIC MSRs, cleanups.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 337.4 KB
Line 
1/* $Id: CPUMR3CpuId.cpp 73274 2018-07-20 15:40:10Z vboxsync $ */
2/** @file
3 * CPUM - CPU ID part.
4 */
5
6/*
7 * Copyright (C) 2013-2017 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_CPUM
23#include <VBox/vmm/cpum.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/hm.h>
26#include <VBox/vmm/nem.h>
27#include <VBox/vmm/ssm.h>
28#include "CPUMInternal.h"
29#include <VBox/vmm/vm.h>
30#include <VBox/vmm/mm.h>
31#include <VBox/sup.h>
32
33#include <VBox/err.h>
34#include <iprt/asm-amd64-x86.h>
35#include <iprt/ctype.h>
36#include <iprt/mem.h>
37#include <iprt/string.h>
38
39
40/*********************************************************************************************************************************
41* Defined Constants And Macros *
42*********************************************************************************************************************************/
43/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
44#define CPUM_CPUID_MAX_LEAVES 2048
45/* Max size we accept for the XSAVE area. */
46#define CPUM_MAX_XSAVE_AREA_SIZE 10240
47/* Min size we accept for the XSAVE area. */
48#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
49
50
51/*********************************************************************************************************************************
52* Global Variables *
53*********************************************************************************************************************************/
54/**
55 * The intel pentium family.
56 */
57static const CPUMMICROARCH g_aenmIntelFamily06[] =
58{
59 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
60 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
61 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
62 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
63 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
64 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
65 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
66 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
67 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
68 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
69 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
70 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
71 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
72 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
73 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
74 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
75 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
76 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
79 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
80 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
81 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
82 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
83 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
84 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
85 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
86 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
87 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
88 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
89 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
90 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
91 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
92 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
95 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
96 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
97 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
98 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
99 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
100 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
101 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
102 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
103 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
104 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
105 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
106 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
107 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
108 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
111 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
112 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
113 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
114 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
115 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
116 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
117 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
118 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
119 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
120 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
121 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
122 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
123 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
124 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
127 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
128 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
129 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
130 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
131 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
132 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
133 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
134 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
135 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
136 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
137 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed */
138 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* unconfirmed, Broadwell-E */
139 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
140 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
143 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
144 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu */
145 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
146 /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
147 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
148 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
149 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
150 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
151 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */
152 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
153 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
154 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */
155 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
156 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
158 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
159 /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown,
160 /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
161 /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
162 /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown,
163 /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown,
164 /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown,
165 /*[106(0x6a)] = */ kCpumMicroarch_Intel_Unknown,
166 /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown,
167 /*[108(0x6c)] = */ kCpumMicroarch_Intel_Unknown,
168 /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown,
169 /*[110(0x6e)] = */ kCpumMicroarch_Intel_Unknown,
170 /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown,
171 /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown,
172 /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown,
173 /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown,
174 /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown,
175 /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown,
176 /*[117(0x75)] = */ kCpumMicroarch_Intel_Unknown,
177 /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown,
178 /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown,
179 /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown,
180 /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown,
181 /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus,
182 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
183 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
185 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
186 /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown,
187 /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown,
188 /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown,
189 /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown,
190 /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown,
191 /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown,
192 /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill,
193 /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown,
194 /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown,
195 /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown,
196 /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown,
197 /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown,
198 /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown,
199 /*[140(0x8c)] = */ kCpumMicroarch_Intel_Unknown,
200 /*[141(0x8d)] = */ kCpumMicroarch_Intel_Unknown,
201 /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
202 /*[143(0x8f)] = */ kCpumMicroarch_Intel_Unknown,
203 /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown,
204 /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown,
205 /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown,
206 /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown,
207 /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown,
208 /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown,
209 /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown,
210 /*[151(0x97)] = */ kCpumMicroarch_Intel_Unknown,
211 /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown,
212 /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown,
213 /*[154(0x9a)] = */ kCpumMicroarch_Intel_Unknown,
214 /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown,
215 /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown,
216 /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown,
217 /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping 0xA is CoffeeLake, 9 is KabyLake. */
218 /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown,
219};
220AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0x9f+1);
221
222
223/**
224 * Figures out the (sub-)micro architecture given a bit of CPUID info.
225 *
226 * @returns Micro architecture.
227 * @param enmVendor The CPU vendor .
228 * @param bFamily The CPU family.
229 * @param bModel The CPU model.
230 * @param bStepping The CPU stepping.
231 */
232VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
233 uint8_t bModel, uint8_t bStepping)
234{
235 if (enmVendor == CPUMCPUVENDOR_AMD)
236 {
237 switch (bFamily)
238 {
239 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
240 case 0x03: return kCpumMicroarch_AMD_Am386;
241 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
242 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
243 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
244 case 0x06:
245 switch (bModel)
246 {
247 case 0: return kCpumMicroarch_AMD_K7_Palomino;
248 case 1: return kCpumMicroarch_AMD_K7_Palomino;
249 case 2: return kCpumMicroarch_AMD_K7_Palomino;
250 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
251 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
252 case 6: return kCpumMicroarch_AMD_K7_Palomino;
253 case 7: return kCpumMicroarch_AMD_K7_Morgan;
254 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
255 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
256 }
257 return kCpumMicroarch_AMD_K7_Unknown;
258 case 0x0f:
259 /*
260 * This family is a friggin mess. Trying my best to make some
261 * sense out of it. Too much happened in the 0x0f family to
262 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
263 *
264 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
265 * cpu-world.com, and other places:
266 * - 130nm:
267 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
268 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
269 * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
270 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
271 * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
272 * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
273 * - 90nm:
274 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
275 * - Oakville: 10FC0/DH-D0.
276 * - Georgetown: 10FC0/DH-D0.
277 * - Sonora: 10FC0/DH-D0.
278 * - Venus: 20F71/SH-E4
279 * - Troy: 20F51/SH-E4
280 * - Athens: 20F51/SH-E4
281 * - San Diego: 20F71/SH-E4.
282 * - Lancaster: 20F42/SH-E5
283 * - Newark: 20F42/SH-E5.
284 * - Albany: 20FC2/DH-E6.
285 * - Roma: 20FC2/DH-E6.
286 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
287 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
288 * - 90nm introducing Dual core:
289 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
290 * - Italy: 20F10/JH-E1, 20F12/JH-E6
291 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
292 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
293 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
294 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
295 * - Santa Ana: 40F32/JH-F2, /-F3
296 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
297 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
298 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
299 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
300 * - Keene: 40FC2/DH-F2.
301 * - Richmond: 40FC2/DH-F2
302 * - Taylor: 40F82/BH-F2
303 * - Trinidad: 40F82/BH-F2
304 *
305 * - 65nm:
306 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
307 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
308 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
309 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
310 * - Sherman: /-G1, 70FC2/DH-G2.
311 * - Huron: 70FF2/DH-G2.
312 */
313 if (bModel < 0x10)
314 return kCpumMicroarch_AMD_K8_130nm;
315 if (bModel >= 0x60 && bModel < 0x80)
316 return kCpumMicroarch_AMD_K8_65nm;
317 if (bModel >= 0x40)
318 return kCpumMicroarch_AMD_K8_90nm_AMDV;
319 switch (bModel)
320 {
321 case 0x21:
322 case 0x23:
323 case 0x2b:
324 case 0x2f:
325 case 0x37:
326 case 0x3f:
327 return kCpumMicroarch_AMD_K8_90nm_DualCore;
328 }
329 return kCpumMicroarch_AMD_K8_90nm;
330 case 0x10:
331 return kCpumMicroarch_AMD_K10;
332 case 0x11:
333 return kCpumMicroarch_AMD_K10_Lion;
334 case 0x12:
335 return kCpumMicroarch_AMD_K10_Llano;
336 case 0x14:
337 return kCpumMicroarch_AMD_Bobcat;
338 case 0x15:
339 switch (bModel)
340 {
341 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
342 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
343 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
344 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
345 case 0x11: /* ?? */
346 case 0x12: /* ?? */
347 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
348 }
349 return kCpumMicroarch_AMD_15h_Unknown;
350 case 0x16:
351 return kCpumMicroarch_AMD_Jaguar;
352 case 0x17:
353 return kCpumMicroarch_AMD_Zen_Ryzen;
354 }
355 return kCpumMicroarch_AMD_Unknown;
356 }
357
358 if (enmVendor == CPUMCPUVENDOR_INTEL)
359 {
360 switch (bFamily)
361 {
362 case 3:
363 return kCpumMicroarch_Intel_80386;
364 case 4:
365 return kCpumMicroarch_Intel_80486;
366 case 5:
367 return kCpumMicroarch_Intel_P5;
368 case 6:
369 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
370 {
371 CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
372 if ( enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake
373 && bStepping >= 0xa)
374 enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
375 return enmMicroArch;
376 }
377 return kCpumMicroarch_Intel_Atom_Unknown;
378 case 15:
379 switch (bModel)
380 {
381 case 0: return kCpumMicroarch_Intel_NB_Willamette;
382 case 1: return kCpumMicroarch_Intel_NB_Willamette;
383 case 2: return kCpumMicroarch_Intel_NB_Northwood;
384 case 3: return kCpumMicroarch_Intel_NB_Prescott;
385 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
386 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
387 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
388 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
389 default: return kCpumMicroarch_Intel_NB_Unknown;
390 }
391 break;
392 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
393 case 0:
394 return kCpumMicroarch_Intel_8086;
395 case 1:
396 return kCpumMicroarch_Intel_80186;
397 case 2:
398 return kCpumMicroarch_Intel_80286;
399 }
400 return kCpumMicroarch_Intel_Unknown;
401 }
402
403 if (enmVendor == CPUMCPUVENDOR_VIA)
404 {
405 switch (bFamily)
406 {
407 case 5:
408 switch (bModel)
409 {
410 case 1: return kCpumMicroarch_Centaur_C6;
411 case 4: return kCpumMicroarch_Centaur_C6;
412 case 8: return kCpumMicroarch_Centaur_C2;
413 case 9: return kCpumMicroarch_Centaur_C3;
414 }
415 break;
416
417 case 6:
418 switch (bModel)
419 {
420 case 5: return kCpumMicroarch_VIA_C3_M2;
421 case 6: return kCpumMicroarch_VIA_C3_C5A;
422 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
423 case 8: return kCpumMicroarch_VIA_C3_C5N;
424 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
425 case 10: return kCpumMicroarch_VIA_C7_C5J;
426 case 15: return kCpumMicroarch_VIA_Isaiah;
427 }
428 break;
429 }
430 return kCpumMicroarch_VIA_Unknown;
431 }
432
433 if (enmVendor == CPUMCPUVENDOR_CYRIX)
434 {
435 switch (bFamily)
436 {
437 case 4:
438 switch (bModel)
439 {
440 case 9: return kCpumMicroarch_Cyrix_5x86;
441 }
442 break;
443
444 case 5:
445 switch (bModel)
446 {
447 case 2: return kCpumMicroarch_Cyrix_M1;
448 case 4: return kCpumMicroarch_Cyrix_MediaGX;
449 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
450 }
451 break;
452
453 case 6:
454 switch (bModel)
455 {
456 case 0: return kCpumMicroarch_Cyrix_M2;
457 }
458 break;
459
460 }
461 return kCpumMicroarch_Cyrix_Unknown;
462 }
463
464 return kCpumMicroarch_Unknown;
465}
466
467
468/**
469 * Translates a microarchitecture enum value to the corresponding string
470 * constant.
471 *
472 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
473 * NULL if the value is invalid.
474 *
475 * @param enmMicroarch The enum value to convert.
476 */
477VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
478{
479 switch (enmMicroarch)
480 {
481#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
482 CASE_RET_STR(kCpumMicroarch_Intel_8086);
483 CASE_RET_STR(kCpumMicroarch_Intel_80186);
484 CASE_RET_STR(kCpumMicroarch_Intel_80286);
485 CASE_RET_STR(kCpumMicroarch_Intel_80386);
486 CASE_RET_STR(kCpumMicroarch_Intel_80486);
487 CASE_RET_STR(kCpumMicroarch_Intel_P5);
488
489 CASE_RET_STR(kCpumMicroarch_Intel_P6);
490 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
491 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
492
493 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
494 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
495 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
496
497 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
498 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
499
500 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
501 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
502 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
503 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
504 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
505 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
506 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
507 CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
508 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
509 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
510 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
511 CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
512
513 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
514 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
515 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
516 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
517 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
518 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
519 CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
520 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
521
522 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
523 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
524 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
525 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
526 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
527
528 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
529 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
530 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
531 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
532 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
533 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
534 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
535
536 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
537
538 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
539 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
540 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
541 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
542 CASE_RET_STR(kCpumMicroarch_AMD_K5);
543 CASE_RET_STR(kCpumMicroarch_AMD_K6);
544
545 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
546 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
547 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
548 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
549 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
550 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
551 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
552
553 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
554 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
555 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
556 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
557 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
558
559 CASE_RET_STR(kCpumMicroarch_AMD_K10);
560 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
561 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
562 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
563 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
564
565 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
566 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
567 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
568 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
569 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
570
571 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
572
573 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
574
575 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
576
577 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
578 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
579 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
580 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
581 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
582 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
583 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
584 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
585 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
586 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
587 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
588 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
589 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
590
591 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
592 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
593 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
594 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
595 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
596 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
597
598 CASE_RET_STR(kCpumMicroarch_NEC_V20);
599 CASE_RET_STR(kCpumMicroarch_NEC_V30);
600
601 CASE_RET_STR(kCpumMicroarch_Unknown);
602
603#undef CASE_RET_STR
604 case kCpumMicroarch_Invalid:
605 case kCpumMicroarch_Intel_End:
606 case kCpumMicroarch_Intel_Core2_End:
607 case kCpumMicroarch_Intel_Core7_End:
608 case kCpumMicroarch_Intel_Atom_End:
609 case kCpumMicroarch_Intel_P6_Core_Atom_End:
610 case kCpumMicroarch_Intel_Phi_End:
611 case kCpumMicroarch_Intel_NB_End:
612 case kCpumMicroarch_AMD_K7_End:
613 case kCpumMicroarch_AMD_K8_End:
614 case kCpumMicroarch_AMD_15h_End:
615 case kCpumMicroarch_AMD_16h_End:
616 case kCpumMicroarch_AMD_Zen_End:
617 case kCpumMicroarch_AMD_End:
618 case kCpumMicroarch_VIA_End:
619 case kCpumMicroarch_Cyrix_End:
620 case kCpumMicroarch_NEC_End:
621 case kCpumMicroarch_32BitHack:
622 break;
623 /* no default! */
624 }
625
626 return NULL;
627}
628
629
630/**
631 * Determins the host CPU MXCSR mask.
632 *
633 * @returns MXCSR mask.
634 */
635VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
636{
637 if ( ASMHasCpuId()
638 && ASMIsValidStdRange(ASMCpuId_EAX(0))
639 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
640 {
641 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
642 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
643 RT_ZERO(*pState);
644 ASMFxSave(pState);
645 if (pState->MXCSR_MASK == 0)
646 return 0xffbf;
647 return pState->MXCSR_MASK;
648 }
649 return 0;
650}
651
652
653/**
654 * Gets a matching leaf in the CPUID leaf array.
655 *
656 * @returns Pointer to the matching leaf, or NULL if not found.
657 * @param paLeaves The CPUID leaves to search. This is sorted.
658 * @param cLeaves The number of leaves in the array.
659 * @param uLeaf The leaf to locate.
660 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
661 */
662static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
663{
664 /* Lazy bird does linear lookup here since this is only used for the
665 occational CPUID overrides. */
666 for (uint32_t i = 0; i < cLeaves; i++)
667 if ( paLeaves[i].uLeaf == uLeaf
668 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
669 return &paLeaves[i];
670 return NULL;
671}
672
673
674#ifndef IN_VBOX_CPU_REPORT
675/**
676 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
677 *
678 * @returns true if found, false it not.
679 * @param paLeaves The CPUID leaves to search. This is sorted.
680 * @param cLeaves The number of leaves in the array.
681 * @param uLeaf The leaf to locate.
682 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
683 * @param pLegacy The legacy output leaf.
684 */
685static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
686 PCPUMCPUID pLegacy)
687{
688 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
689 if (pLeaf)
690 {
691 pLegacy->uEax = pLeaf->uEax;
692 pLegacy->uEbx = pLeaf->uEbx;
693 pLegacy->uEcx = pLeaf->uEcx;
694 pLegacy->uEdx = pLeaf->uEdx;
695 return true;
696 }
697 return false;
698}
699#endif /* IN_VBOX_CPU_REPORT */
700
701
702/**
703 * Ensures that the CPUID leaf array can hold one more leaf.
704 *
705 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
706 * failure.
707 * @param pVM The cross context VM structure. If NULL, use
708 * the process heap, otherwise the VM's hyper heap.
709 * @param ppaLeaves Pointer to the variable holding the array pointer
710 * (input/output).
711 * @param cLeaves The current array size.
712 *
713 * @remarks This function will automatically update the R0 and RC pointers when
714 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
715 * be the corresponding VM's CPUID arrays (which is asserted).
716 */
717static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
718{
719 /*
720 * If pVM is not specified, we're on the regular heap and can waste a
721 * little space to speed things up.
722 */
723 uint32_t cAllocated;
724 if (!pVM)
725 {
726 cAllocated = RT_ALIGN(cLeaves, 16);
727 if (cLeaves + 1 > cAllocated)
728 {
729 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
730 if (pvNew)
731 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
732 else
733 {
734 RTMemFree(*ppaLeaves);
735 *ppaLeaves = NULL;
736 }
737 }
738 }
739 /*
740 * Otherwise, we're on the hyper heap and are probably just inserting
741 * one or two leaves and should conserve space.
742 */
743 else
744 {
745#ifdef IN_VBOX_CPU_REPORT
746 AssertReleaseFailed();
747#else
748 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
749 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
750
751 size_t cb = cLeaves * sizeof(**ppaLeaves);
752 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
753 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
754 if (RT_SUCCESS(rc))
755 {
756 /* Update the R0 and RC pointers. */
757 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
758 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
759 }
760 else
761 {
762 *ppaLeaves = NULL;
763 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
764 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
765 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
766 }
767#endif
768 }
769 return *ppaLeaves;
770}
771
772
773/**
774 * Append a CPUID leaf or sub-leaf.
775 *
776 * ASSUMES linear insertion order, so we'll won't need to do any searching or
777 * replace anything. Use cpumR3CpuIdInsert() for those cases.
778 *
779 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
780 * the caller need do no more work.
781 * @param ppaLeaves Pointer to the pointer to the array of sorted
782 * CPUID leaves and sub-leaves.
783 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
784 * @param uLeaf The leaf we're adding.
785 * @param uSubLeaf The sub-leaf number.
786 * @param fSubLeafMask The sub-leaf mask.
787 * @param uEax The EAX value.
788 * @param uEbx The EBX value.
789 * @param uEcx The ECX value.
790 * @param uEdx The EDX value.
791 * @param fFlags The flags.
792 */
793static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
794 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
795 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
796{
797 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
798 return VERR_NO_MEMORY;
799
800 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
801 Assert( *pcLeaves == 0
802 || pNew[-1].uLeaf < uLeaf
803 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
804
805 pNew->uLeaf = uLeaf;
806 pNew->uSubLeaf = uSubLeaf;
807 pNew->fSubLeafMask = fSubLeafMask;
808 pNew->uEax = uEax;
809 pNew->uEbx = uEbx;
810 pNew->uEcx = uEcx;
811 pNew->uEdx = uEdx;
812 pNew->fFlags = fFlags;
813
814 *pcLeaves += 1;
815 return VINF_SUCCESS;
816}
817
818
819/**
820 * Checks that we've updated the CPUID leaves array correctly.
821 *
822 * This is a no-op in non-strict builds.
823 *
824 * @param paLeaves The leaves array.
825 * @param cLeaves The number of leaves.
826 */
827static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
828{
829#ifdef VBOX_STRICT
830 for (uint32_t i = 1; i < cLeaves; i++)
831 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
832 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
833 else
834 {
835 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
836 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
837 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
838 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
839 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
840 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
841 }
842#else
843 NOREF(paLeaves);
844 NOREF(cLeaves);
845#endif
846}
847
848
849/**
850 * Inserts a CPU ID leaf, replacing any existing ones.
851 *
852 * When inserting a simple leaf where we already got a series of sub-leaves with
853 * the same leaf number (eax), the simple leaf will replace the whole series.
854 *
855 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
856 * host-context heap and has only been allocated/reallocated by the
857 * cpumR3CpuIdEnsureSpace function.
858 *
859 * @returns VBox status code.
860 * @param pVM The cross context VM structure. If NULL, use
861 * the process heap, otherwise the VM's hyper heap.
862 * @param ppaLeaves Pointer to the pointer to the array of sorted
863 * CPUID leaves and sub-leaves. Must be NULL if using
864 * the hyper heap.
865 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
866 * be NULL if using the hyper heap.
867 * @param pNewLeaf Pointer to the data of the new leaf we're about to
868 * insert.
869 */
870static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
871{
872 /*
873 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
874 */
875 if (pVM)
876 {
877 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
878 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
879
880 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
881 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
882 }
883
884 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
885 uint32_t cLeaves = *pcLeaves;
886
887 /*
888 * Validate the new leaf a little.
889 */
890 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
891 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
892 VERR_INVALID_FLAGS);
893 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
894 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
895 VERR_INVALID_PARAMETER);
896 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
897 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
898 VERR_INVALID_PARAMETER);
899 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
900 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
901 VERR_INVALID_PARAMETER);
902
903 /*
904 * Find insertion point. The lazy bird uses the same excuse as in
905 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
906 */
907 uint32_t i;
908 if ( cLeaves > 0
909 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
910 {
911 /* Add at end. */
912 i = cLeaves;
913 }
914 else if ( cLeaves > 0
915 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
916 {
917 /* Either replacing the last leaf or dealing with sub-leaves. Spool
918 back to the first sub-leaf to pretend we did the linear search. */
919 i = cLeaves - 1;
920 while ( i > 0
921 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
922 i--;
923 }
924 else
925 {
926 /* Linear search from the start. */
927 i = 0;
928 while ( i < cLeaves
929 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
930 i++;
931 }
932 if ( i < cLeaves
933 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
934 {
935 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
936 {
937 /*
938 * The sub-leaf mask differs, replace all existing leaves with the
939 * same leaf number.
940 */
941 uint32_t c = 1;
942 while ( i + c < cLeaves
943 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
944 c++;
945 if (c > 1 && i + c < cLeaves)
946 {
947 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
948 *pcLeaves = cLeaves -= c - 1;
949 }
950
951 paLeaves[i] = *pNewLeaf;
952 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
953 return VINF_SUCCESS;
954 }
955
956 /* Find sub-leaf insertion point. */
957 while ( i < cLeaves
958 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
959 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
960 i++;
961
962 /*
963 * If we've got an exactly matching leaf, replace it.
964 */
965 if ( i < cLeaves
966 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
967 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
968 {
969 paLeaves[i] = *pNewLeaf;
970 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
971 return VINF_SUCCESS;
972 }
973 }
974
975 /*
976 * Adding a new leaf at 'i'.
977 */
978 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
979 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
980 if (!paLeaves)
981 return VERR_NO_MEMORY;
982
983 if (i < cLeaves)
984 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
985 *pcLeaves += 1;
986 paLeaves[i] = *pNewLeaf;
987
988 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
989 return VINF_SUCCESS;
990}
991
992
993#ifndef IN_VBOX_CPU_REPORT
994/**
995 * Removes a range of CPUID leaves.
996 *
997 * This will not reallocate the array.
998 *
999 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
1000 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
1001 * @param uFirst The first leaf.
1002 * @param uLast The last leaf.
1003 */
1004static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1005{
1006 uint32_t cLeaves = *pcLeaves;
1007
1008 Assert(uFirst <= uLast);
1009
1010 /*
1011 * Find the first one.
1012 */
1013 uint32_t iFirst = 0;
1014 while ( iFirst < cLeaves
1015 && paLeaves[iFirst].uLeaf < uFirst)
1016 iFirst++;
1017
1018 /*
1019 * Find the end (last + 1).
1020 */
1021 uint32_t iEnd = iFirst;
1022 while ( iEnd < cLeaves
1023 && paLeaves[iEnd].uLeaf <= uLast)
1024 iEnd++;
1025
1026 /*
1027 * Adjust the array if anything needs removing.
1028 */
1029 if (iFirst < iEnd)
1030 {
1031 if (iEnd < cLeaves)
1032 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1033 *pcLeaves = cLeaves -= (iEnd - iFirst);
1034 }
1035
1036 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1037}
1038#endif /* IN_VBOX_CPU_REPORT */
1039
1040
1041/**
1042 * Checks if ECX make a difference when reading a given CPUID leaf.
1043 *
1044 * @returns @c true if it does, @c false if it doesn't.
1045 * @param uLeaf The leaf we're reading.
1046 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1047 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1048 * final sub-leaf (for leaf 0xb only).
1049 */
1050static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1051{
1052 *pfFinalEcxUnchanged = false;
1053
1054 uint32_t auCur[4];
1055 uint32_t auPrev[4];
1056 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1057
1058 /* Look for sub-leaves. */
1059 uint32_t uSubLeaf = 1;
1060 for (;;)
1061 {
1062 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1063 if (memcmp(auCur, auPrev, sizeof(auCur)))
1064 break;
1065
1066 /* Advance / give up. */
1067 uSubLeaf++;
1068 if (uSubLeaf >= 64)
1069 {
1070 *pcSubLeaves = 1;
1071 return false;
1072 }
1073 }
1074
1075 /* Count sub-leaves. */
1076 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1077 uint32_t cRepeats = 0;
1078 uSubLeaf = 0;
1079 for (;;)
1080 {
1081 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1082
1083 /* Figuring out when to stop isn't entirely straight forward as we need
1084 to cover undocumented behavior up to a point and implementation shortcuts. */
1085
1086 /* 1. Look for more than 4 repeating value sets. */
1087 if ( auCur[0] == auPrev[0]
1088 && auCur[1] == auPrev[1]
1089 && ( auCur[2] == auPrev[2]
1090 || ( auCur[2] == uSubLeaf
1091 && auPrev[2] == uSubLeaf - 1) )
1092 && auCur[3] == auPrev[3])
1093 {
1094 if ( uLeaf != 0xd
1095 || uSubLeaf >= 64
1096 || ( auCur[0] == 0
1097 && auCur[1] == 0
1098 && auCur[2] == 0
1099 && auCur[3] == 0
1100 && auPrev[2] == 0) )
1101 cRepeats++;
1102 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1103 break;
1104 }
1105 else
1106 cRepeats = 0;
1107
1108 /* 2. Look for zero values. */
1109 if ( auCur[0] == 0
1110 && auCur[1] == 0
1111 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1112 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1113 && uSubLeaf >= cMinLeaves)
1114 {
1115 cRepeats = 0;
1116 break;
1117 }
1118
1119 /* 3. Leaf 0xb level type 0 check. */
1120 if ( uLeaf == 0xb
1121 && (auCur[2] & 0xff00) == 0
1122 && (auPrev[2] & 0xff00) == 0)
1123 {
1124 cRepeats = 0;
1125 break;
1126 }
1127
1128 /* 99. Give up. */
1129 if (uSubLeaf >= 128)
1130 {
1131#ifndef IN_VBOX_CPU_REPORT
1132 /* Ok, limit it according to the documentation if possible just to
1133 avoid annoying users with these detection issues. */
1134 uint32_t cDocLimit = UINT32_MAX;
1135 if (uLeaf == 0x4)
1136 cDocLimit = 4;
1137 else if (uLeaf == 0x7)
1138 cDocLimit = 1;
1139 else if (uLeaf == 0xd)
1140 cDocLimit = 63;
1141 else if (uLeaf == 0xf)
1142 cDocLimit = 2;
1143 if (cDocLimit != UINT32_MAX)
1144 {
1145 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1146 *pcSubLeaves = cDocLimit + 3;
1147 return true;
1148 }
1149#endif
1150 *pcSubLeaves = UINT32_MAX;
1151 return true;
1152 }
1153
1154 /* Advance. */
1155 uSubLeaf++;
1156 memcpy(auPrev, auCur, sizeof(auCur));
1157 }
1158
1159 /* Standard exit. */
1160 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1161 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1162 if (*pcSubLeaves == 0)
1163 *pcSubLeaves = 1;
1164 return true;
1165}
1166
1167
1168/**
1169 * Gets a CPU ID leaf.
1170 *
1171 * @returns VBox status code.
1172 * @param pVM The cross context VM structure.
1173 * @param pLeaf Where to store the found leaf.
1174 * @param uLeaf The leaf to locate.
1175 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1176 */
1177VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1178{
1179 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1180 uLeaf, uSubLeaf);
1181 if (pcLeaf)
1182 {
1183 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1184 return VINF_SUCCESS;
1185 }
1186
1187 return VERR_NOT_FOUND;
1188}
1189
1190
1191/**
1192 * Inserts a CPU ID leaf, replacing any existing ones.
1193 *
1194 * @returns VBox status code.
1195 * @param pVM The cross context VM structure.
1196 * @param pNewLeaf Pointer to the leaf being inserted.
1197 */
1198VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1199{
1200 /*
1201 * Validate parameters.
1202 */
1203 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1204 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1205
1206 /*
1207 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1208 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1209 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1210 */
1211 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1212 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1213 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1214 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1215 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1216 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1217 {
1218 return VERR_NOT_SUPPORTED;
1219 }
1220
1221 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1222}
1223
1224/**
1225 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1226 *
1227 * @returns VBox status code.
1228 * @param ppaLeaves Where to return the array pointer on success.
1229 * Use RTMemFree to release.
1230 * @param pcLeaves Where to return the size of the array on
1231 * success.
1232 */
1233VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1234{
1235 *ppaLeaves = NULL;
1236 *pcLeaves = 0;
1237
1238 /*
1239 * Try out various candidates. This must be sorted!
1240 */
1241 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1242 {
1243 { UINT32_C(0x00000000), false },
1244 { UINT32_C(0x10000000), false },
1245 { UINT32_C(0x20000000), false },
1246 { UINT32_C(0x30000000), false },
1247 { UINT32_C(0x40000000), false },
1248 { UINT32_C(0x50000000), false },
1249 { UINT32_C(0x60000000), false },
1250 { UINT32_C(0x70000000), false },
1251 { UINT32_C(0x80000000), false },
1252 { UINT32_C(0x80860000), false },
1253 { UINT32_C(0x8ffffffe), true },
1254 { UINT32_C(0x8fffffff), true },
1255 { UINT32_C(0x90000000), false },
1256 { UINT32_C(0xa0000000), false },
1257 { UINT32_C(0xb0000000), false },
1258 { UINT32_C(0xc0000000), false },
1259 { UINT32_C(0xd0000000), false },
1260 { UINT32_C(0xe0000000), false },
1261 { UINT32_C(0xf0000000), false },
1262 };
1263
1264 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1265 {
1266 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1267 uint32_t uEax, uEbx, uEcx, uEdx;
1268 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1269
1270 /*
1271 * Does EAX look like a typical leaf count value?
1272 */
1273 if ( uEax > uLeaf
1274 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1275 {
1276 /* Yes, dump them. */
1277 uint32_t cLeaves = uEax - uLeaf + 1;
1278 while (cLeaves-- > 0)
1279 {
1280 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1281
1282 uint32_t fFlags = 0;
1283
1284 /* There are currently three known leaves containing an APIC ID
1285 that needs EMT specific attention */
1286 if (uLeaf == 1)
1287 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1288 else if (uLeaf == 0xb && uEcx != 0)
1289 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1290 else if ( uLeaf == UINT32_C(0x8000001e)
1291 && ( uEax
1292 || uEbx
1293 || uEdx
1294 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1295 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1296
1297 /* The APIC bit is per-VCpu and needs flagging. */
1298 if (uLeaf == 1)
1299 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1300 else if ( uLeaf == UINT32_C(0x80000001)
1301 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1302 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1303 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1304
1305 /* Check three times here to reduce the chance of CPU migration
1306 resulting in false positives with things like the APIC ID. */
1307 uint32_t cSubLeaves;
1308 bool fFinalEcxUnchanged;
1309 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1310 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1311 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1312 {
1313 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1314 {
1315 /* This shouldn't happen. But in case it does, file all
1316 relevant details in the release log. */
1317 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1318 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1319 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1320 {
1321 uint32_t auTmp[4];
1322 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1323 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1324 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1325 }
1326 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1327 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1328 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1329 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1330 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1331 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1332 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1333 }
1334
1335 if (fFinalEcxUnchanged)
1336 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1337
1338 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1339 {
1340 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1341 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1342 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1343 if (RT_FAILURE(rc))
1344 return rc;
1345 }
1346 }
1347 else
1348 {
1349 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1350 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1351 if (RT_FAILURE(rc))
1352 return rc;
1353 }
1354
1355 /* next */
1356 uLeaf++;
1357 }
1358 }
1359 /*
1360 * Special CPUIDs needs special handling as they don't follow the
1361 * leaf count principle used above.
1362 */
1363 else if (s_aCandidates[iOuter].fSpecial)
1364 {
1365 bool fKeep = false;
1366 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1367 fKeep = true;
1368 else if ( uLeaf == 0x8fffffff
1369 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1370 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1371 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1372 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1373 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1374 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1375 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1376 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1377 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1378 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1379 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1380 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1381 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1382 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1383 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1384 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1385 fKeep = true;
1386 if (fKeep)
1387 {
1388 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1389 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1390 if (RT_FAILURE(rc))
1391 return rc;
1392 }
1393 }
1394 }
1395
1396 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1397 return VINF_SUCCESS;
1398}
1399
1400
1401/**
1402 * Determines the method the CPU uses to handle unknown CPUID leaves.
1403 *
1404 * @returns VBox status code.
1405 * @param penmUnknownMethod Where to return the method.
1406 * @param pDefUnknown Where to return default unknown values. This
1407 * will be set, even if the resulting method
1408 * doesn't actually needs it.
1409 */
1410VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1411{
1412 uint32_t uLastStd = ASMCpuId_EAX(0);
1413 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1414 if (!ASMIsValidExtRange(uLastExt))
1415 uLastExt = 0x80000000;
1416
1417 uint32_t auChecks[] =
1418 {
1419 uLastStd + 1,
1420 uLastStd + 5,
1421 uLastStd + 8,
1422 uLastStd + 32,
1423 uLastStd + 251,
1424 uLastExt + 1,
1425 uLastExt + 8,
1426 uLastExt + 15,
1427 uLastExt + 63,
1428 uLastExt + 255,
1429 0x7fbbffcc,
1430 0x833f7872,
1431 0xefff2353,
1432 0x35779456,
1433 0x1ef6d33e,
1434 };
1435
1436 static const uint32_t s_auValues[] =
1437 {
1438 0xa95d2156,
1439 0x00000001,
1440 0x00000002,
1441 0x00000008,
1442 0x00000000,
1443 0x55773399,
1444 0x93401769,
1445 0x12039587,
1446 };
1447
1448 /*
1449 * Simple method, all zeros.
1450 */
1451 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1452 pDefUnknown->uEax = 0;
1453 pDefUnknown->uEbx = 0;
1454 pDefUnknown->uEcx = 0;
1455 pDefUnknown->uEdx = 0;
1456
1457 /*
1458 * Intel has been observed returning the last standard leaf.
1459 */
1460 uint32_t auLast[4];
1461 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1462
1463 uint32_t cChecks = RT_ELEMENTS(auChecks);
1464 while (cChecks > 0)
1465 {
1466 uint32_t auCur[4];
1467 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1468 if (memcmp(auCur, auLast, sizeof(auCur)))
1469 break;
1470 cChecks--;
1471 }
1472 if (cChecks == 0)
1473 {
1474 /* Now, what happens when the input changes? Esp. ECX. */
1475 uint32_t cTotal = 0;
1476 uint32_t cSame = 0;
1477 uint32_t cLastWithEcx = 0;
1478 uint32_t cNeither = 0;
1479 uint32_t cValues = RT_ELEMENTS(s_auValues);
1480 while (cValues > 0)
1481 {
1482 uint32_t uValue = s_auValues[cValues - 1];
1483 uint32_t auLastWithEcx[4];
1484 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1485 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1486
1487 cChecks = RT_ELEMENTS(auChecks);
1488 while (cChecks > 0)
1489 {
1490 uint32_t auCur[4];
1491 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1492 if (!memcmp(auCur, auLast, sizeof(auCur)))
1493 {
1494 cSame++;
1495 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1496 cLastWithEcx++;
1497 }
1498 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1499 cLastWithEcx++;
1500 else
1501 cNeither++;
1502 cTotal++;
1503 cChecks--;
1504 }
1505 cValues--;
1506 }
1507
1508 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1509 if (cSame == cTotal)
1510 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1511 else if (cLastWithEcx == cTotal)
1512 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1513 else
1514 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1515 pDefUnknown->uEax = auLast[0];
1516 pDefUnknown->uEbx = auLast[1];
1517 pDefUnknown->uEcx = auLast[2];
1518 pDefUnknown->uEdx = auLast[3];
1519 return VINF_SUCCESS;
1520 }
1521
1522 /*
1523 * Unchanged register values?
1524 */
1525 cChecks = RT_ELEMENTS(auChecks);
1526 while (cChecks > 0)
1527 {
1528 uint32_t const uLeaf = auChecks[cChecks - 1];
1529 uint32_t cValues = RT_ELEMENTS(s_auValues);
1530 while (cValues > 0)
1531 {
1532 uint32_t uValue = s_auValues[cValues - 1];
1533 uint32_t auCur[4];
1534 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1535 if ( auCur[0] != uLeaf
1536 || auCur[1] != uValue
1537 || auCur[2] != uValue
1538 || auCur[3] != uValue)
1539 break;
1540 cValues--;
1541 }
1542 if (cValues != 0)
1543 break;
1544 cChecks--;
1545 }
1546 if (cChecks == 0)
1547 {
1548 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1549 return VINF_SUCCESS;
1550 }
1551
1552 /*
1553 * Just go with the simple method.
1554 */
1555 return VINF_SUCCESS;
1556}
1557
1558
1559/**
1560 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1561 *
1562 * @returns Read only name string.
1563 * @param enmUnknownMethod The method to translate.
1564 */
1565VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1566{
1567 switch (enmUnknownMethod)
1568 {
1569 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1570 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1571 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1572 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1573
1574 case CPUMUNKNOWNCPUID_INVALID:
1575 case CPUMUNKNOWNCPUID_END:
1576 case CPUMUNKNOWNCPUID_32BIT_HACK:
1577 break;
1578 }
1579 return "Invalid-unknown-CPUID-method";
1580}
1581
1582
1583/**
1584 * Detect the CPU vendor give n the
1585 *
1586 * @returns The vendor.
1587 * @param uEAX EAX from CPUID(0).
1588 * @param uEBX EBX from CPUID(0).
1589 * @param uECX ECX from CPUID(0).
1590 * @param uEDX EDX from CPUID(0).
1591 */
1592VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1593{
1594 if (ASMIsValidStdRange(uEAX))
1595 {
1596 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1597 return CPUMCPUVENDOR_AMD;
1598
1599 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1600 return CPUMCPUVENDOR_INTEL;
1601
1602 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1603 return CPUMCPUVENDOR_VIA;
1604
1605 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1606 && uECX == UINT32_C(0x64616574)
1607 && uEDX == UINT32_C(0x736E4978))
1608 return CPUMCPUVENDOR_CYRIX;
1609
1610 /* "Geode by NSC", example: family 5, model 9. */
1611
1612 /** @todo detect the other buggers... */
1613 }
1614
1615 return CPUMCPUVENDOR_UNKNOWN;
1616}
1617
1618
1619/**
1620 * Translates a CPU vendor enum value into the corresponding string constant.
1621 *
1622 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1623 * value name. This can be useful when generating code.
1624 *
1625 * @returns Read only name string.
1626 * @param enmVendor The CPU vendor value.
1627 */
1628VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1629{
1630 switch (enmVendor)
1631 {
1632 case CPUMCPUVENDOR_INTEL: return "INTEL";
1633 case CPUMCPUVENDOR_AMD: return "AMD";
1634 case CPUMCPUVENDOR_VIA: return "VIA";
1635 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1636 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1637
1638 case CPUMCPUVENDOR_INVALID:
1639 case CPUMCPUVENDOR_32BIT_HACK:
1640 break;
1641 }
1642 return "Invalid-cpu-vendor";
1643}
1644
1645
1646static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1647{
1648 /* Could do binary search, doing linear now because I'm lazy. */
1649 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1650 while (cLeaves-- > 0)
1651 {
1652 if (pLeaf->uLeaf == uLeaf)
1653 return pLeaf;
1654 pLeaf++;
1655 }
1656 return NULL;
1657}
1658
1659
1660static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1661{
1662 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1663 if ( !pLeaf
1664 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1665 return pLeaf;
1666
1667 /* Linear sub-leaf search. Lazy as usual. */
1668 cLeaves -= pLeaf - paLeaves;
1669 while ( cLeaves-- > 0
1670 && pLeaf->uLeaf == uLeaf)
1671 {
1672 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1673 return pLeaf;
1674 pLeaf++;
1675 }
1676
1677 return NULL;
1678}
1679
1680
1681int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1682{
1683 RT_ZERO(*pFeatures);
1684 if (cLeaves >= 2)
1685 {
1686 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1687 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1688 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1689 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1690 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1691 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1692
1693 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1694 pStd0Leaf->uEbx,
1695 pStd0Leaf->uEcx,
1696 pStd0Leaf->uEdx);
1697 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1698 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1699 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1700 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1701 pFeatures->uFamily,
1702 pFeatures->uModel,
1703 pFeatures->uStepping);
1704
1705 PCCPUMCPUIDLEAF const pExtLeaf8 = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1706 if (pExtLeaf8)
1707 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1708 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1709 pFeatures->cMaxPhysAddrWidth = 36;
1710 else
1711 pFeatures->cMaxPhysAddrWidth = 32;
1712
1713 /* Standard features. */
1714 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1715 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1716 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1717 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1718 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1719 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1720 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1721 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1722 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1723 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1724 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1725 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1726 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1727 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1728 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1729 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1730 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1731 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1732 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1733 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1734 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1735 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1736 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1737 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1738 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1739 pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX);
1740 if (pFeatures->fVmx)
1741 { /** @todo Support other VMX features */ }
1742
1743 /* Structured extended features. */
1744 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1745 if (pSxfLeaf0)
1746 {
1747 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1748 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1749 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1750 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1751 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1752
1753 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1754 pFeatures->fIbrs = pFeatures->fIbpb;
1755 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1756#if 0 // Disabled until IA32_ARCH_CAPABILITIES support can be tested
1757 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1758#endif
1759 }
1760
1761 /* MWAIT/MONITOR leaf. */
1762 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1763 if (pMWaitLeaf)
1764 {
1765 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1766 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1767 }
1768
1769 /* Extended features. */
1770 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1771 if (pExtLeaf)
1772 {
1773 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1774 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1775 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1776 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1777 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1778 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1779 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1780 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1781 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1782 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1783 }
1784
1785 if ( pExtLeaf
1786 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1787 {
1788 /* AMD features. */
1789 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1790 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1791 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1792 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1793 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1794 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1795 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1796 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1797 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1798 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1799 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1800 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1801 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1802 if (pFeatures->fSvm)
1803 {
1804 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1805 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1806 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1807 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1808 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1809 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1810 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1811 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1812 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1813 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1814 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1815 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1816 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1817 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1818 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1819 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1820 }
1821 }
1822
1823 /*
1824 * Quirks.
1825 */
1826 pFeatures->fLeakyFxSR = pExtLeaf
1827 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1828 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1829 && pFeatures->uFamily >= 6 /* K7 and up */;
1830
1831 /*
1832 * Max extended (/FPU) state.
1833 */
1834 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1835 if (pFeatures->fXSaveRstor)
1836 {
1837 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1838 if (pXStateLeaf0)
1839 {
1840 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1841 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1842 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1843 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1844 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1845 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1846 {
1847 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1848
1849 /* (paranoia:) */
1850 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1851 if ( pXStateLeaf1
1852 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1853 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1854 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1855 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1856 }
1857 else
1858 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1859 pFeatures->fXSaveRstor = 0);
1860 }
1861 else
1862 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1863 pFeatures->fXSaveRstor = 0);
1864 }
1865 }
1866 else
1867 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1868 return VINF_SUCCESS;
1869}
1870
1871
1872/*
1873 *
1874 * Init related code.
1875 * Init related code.
1876 * Init related code.
1877 *
1878 *
1879 */
1880#ifdef VBOX_IN_VMM
1881
1882
1883/**
1884 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1885 *
1886 * This ignores the fSubLeafMask.
1887 *
1888 * @returns Pointer to the matching leaf, or NULL if not found.
1889 * @param paLeaves The CPUID leaves to search. This is sorted.
1890 * @param cLeaves The number of leaves in the array.
1891 * @param uLeaf The leaf to locate.
1892 * @param uSubLeaf The subleaf to locate.
1893 */
1894static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1895{
1896 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1897 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1898 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1899 if (iEnd)
1900 {
1901 uint32_t iBegin = 0;
1902 for (;;)
1903 {
1904 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1905 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1906 if (uNeedle < uCur)
1907 {
1908 if (i > iBegin)
1909 iEnd = i;
1910 else
1911 break;
1912 }
1913 else if (uNeedle > uCur)
1914 {
1915 if (i + 1 < iEnd)
1916 iBegin = i + 1;
1917 else
1918 break;
1919 }
1920 else
1921 return &paLeaves[i];
1922 }
1923 }
1924 return NULL;
1925}
1926
1927
1928/**
1929 * Loads MSR range overrides.
1930 *
1931 * This must be called before the MSR ranges are moved from the normal heap to
1932 * the hyper heap!
1933 *
1934 * @returns VBox status code (VMSetError called).
1935 * @param pVM The cross context VM structure.
1936 * @param pMsrNode The CFGM node with the MSR overrides.
1937 */
1938static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1939{
1940 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1941 {
1942 /*
1943 * Assemble a valid MSR range.
1944 */
1945 CPUMMSRRANGE MsrRange;
1946 MsrRange.offCpumCpu = 0;
1947 MsrRange.fReserved = 0;
1948
1949 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1950 if (RT_FAILURE(rc))
1951 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1952
1953 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1954 if (RT_FAILURE(rc))
1955 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1956 MsrRange.szName, rc);
1957
1958 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1959 if (RT_FAILURE(rc))
1960 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1961 MsrRange.szName, rc);
1962
1963 char szType[32];
1964 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1965 if (RT_FAILURE(rc))
1966 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1967 MsrRange.szName, rc);
1968 if (!RTStrICmp(szType, "FixedValue"))
1969 {
1970 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1971 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1972
1973 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1974 if (RT_FAILURE(rc))
1975 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1976 MsrRange.szName, rc);
1977
1978 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1979 if (RT_FAILURE(rc))
1980 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1981 MsrRange.szName, rc);
1982
1983 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1984 if (RT_FAILURE(rc))
1985 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1986 MsrRange.szName, rc);
1987 }
1988 else
1989 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1990 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1991
1992 /*
1993 * Insert the range into the table (replaces/splits/shrinks existing
1994 * MSR ranges).
1995 */
1996 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1997 &MsrRange);
1998 if (RT_FAILURE(rc))
1999 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
2000 }
2001
2002 return VINF_SUCCESS;
2003}
2004
2005
2006/**
2007 * Loads CPUID leaf overrides.
2008 *
2009 * This must be called before the CPUID leaves are moved from the normal
2010 * heap to the hyper heap!
2011 *
2012 * @returns VBox status code (VMSetError called).
2013 * @param pVM The cross context VM structure.
2014 * @param pParentNode The CFGM node with the CPUID leaves.
2015 * @param pszLabel How to label the overrides we're loading.
2016 */
2017static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2018{
2019 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2020 {
2021 /*
2022 * Get the leaf and subleaf numbers.
2023 */
2024 char szName[128];
2025 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2026 if (RT_FAILURE(rc))
2027 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2028
2029 /* The leaf number is either specified directly or thru the node name. */
2030 uint32_t uLeaf;
2031 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2032 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2033 {
2034 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2035 if (rc != VINF_SUCCESS)
2036 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2037 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2038 }
2039 else if (RT_FAILURE(rc))
2040 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2041 pszLabel, szName, rc);
2042
2043 uint32_t uSubLeaf;
2044 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2045 if (RT_FAILURE(rc))
2046 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2047 pszLabel, szName, rc);
2048
2049 uint32_t fSubLeafMask;
2050 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2051 if (RT_FAILURE(rc))
2052 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2053 pszLabel, szName, rc);
2054
2055 /*
2056 * Look up the specified leaf, since the output register values
2057 * defaults to any existing values. This allows overriding a single
2058 * register, without needing to know the other values.
2059 */
2060 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2061 CPUMCPUIDLEAF Leaf;
2062 if (pLeaf)
2063 Leaf = *pLeaf;
2064 else
2065 RT_ZERO(Leaf);
2066 Leaf.uLeaf = uLeaf;
2067 Leaf.uSubLeaf = uSubLeaf;
2068 Leaf.fSubLeafMask = fSubLeafMask;
2069
2070 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2071 if (RT_FAILURE(rc))
2072 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2073 pszLabel, szName, rc);
2074 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2075 if (RT_FAILURE(rc))
2076 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2077 pszLabel, szName, rc);
2078 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2079 if (RT_FAILURE(rc))
2080 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2081 pszLabel, szName, rc);
2082 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2083 if (RT_FAILURE(rc))
2084 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2085 pszLabel, szName, rc);
2086
2087 /*
2088 * Insert the leaf into the table (replaces existing ones).
2089 */
2090 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2091 &Leaf);
2092 if (RT_FAILURE(rc))
2093 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2094 }
2095
2096 return VINF_SUCCESS;
2097}
2098
2099
2100
2101/**
2102 * Fetches overrides for a CPUID leaf.
2103 *
2104 * @returns VBox status code.
2105 * @param pLeaf The leaf to load the overrides into.
2106 * @param pCfgNode The CFGM node containing the overrides
2107 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2108 * @param iLeaf The CPUID leaf number.
2109 */
2110static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2111{
2112 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2113 if (pLeafNode)
2114 {
2115 uint32_t u32;
2116 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2117 if (RT_SUCCESS(rc))
2118 pLeaf->uEax = u32;
2119 else
2120 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2121
2122 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2123 if (RT_SUCCESS(rc))
2124 pLeaf->uEbx = u32;
2125 else
2126 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2127
2128 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2129 if (RT_SUCCESS(rc))
2130 pLeaf->uEcx = u32;
2131 else
2132 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2133
2134 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2135 if (RT_SUCCESS(rc))
2136 pLeaf->uEdx = u32;
2137 else
2138 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2139
2140 }
2141 return VINF_SUCCESS;
2142}
2143
2144
2145/**
2146 * Load the overrides for a set of CPUID leaves.
2147 *
2148 * @returns VBox status code.
2149 * @param paLeaves The leaf array.
2150 * @param cLeaves The number of leaves.
2151 * @param uStart The start leaf number.
2152 * @param pCfgNode The CFGM node containing the overrides
2153 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2154 */
2155static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2156{
2157 for (uint32_t i = 0; i < cLeaves; i++)
2158 {
2159 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2160 if (RT_FAILURE(rc))
2161 return rc;
2162 }
2163
2164 return VINF_SUCCESS;
2165}
2166
2167
2168/**
2169 * Installs the CPUID leaves and explods the data into structures like
2170 * GuestFeatures and CPUMCTX::aoffXState.
2171 *
2172 * @returns VBox status code.
2173 * @param pVM The cross context VM structure.
2174 * @param pCpum The CPUM part of @a VM.
2175 * @param paLeaves The leaves. These will be copied (but not freed).
2176 * @param cLeaves The number of leaves.
2177 */
2178static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2179{
2180 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2181
2182 /*
2183 * Install the CPUID information.
2184 */
2185 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2186 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2187
2188 AssertLogRelRCReturn(rc, rc);
2189 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2190 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2191 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2192 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2193 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2194
2195 /*
2196 * Update the default CPUID leaf if necessary.
2197 */
2198 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2199 {
2200 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2201 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2202 {
2203 /* We don't use CPUID(0).eax here because of the NT hack that only
2204 changes that value without actually removing any leaves. */
2205 uint32_t i = 0;
2206 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2207 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2208 {
2209 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2210 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2211 i++;
2212 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2213 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2214 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2215 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2216 }
2217 break;
2218 }
2219 default:
2220 break;
2221 }
2222
2223 /*
2224 * Explode the guest CPU features.
2225 */
2226 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2227 AssertLogRelRCReturn(rc, rc);
2228
2229 /*
2230 * Adjust the scalable bus frequency according to the CPUID information
2231 * we're now using.
2232 */
2233 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2234 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2235 ? UINT64_C(100000000) /* 100MHz */
2236 : UINT64_C(133333333); /* 133MHz */
2237
2238 /*
2239 * Populate the legacy arrays. Currently used for everything, later only
2240 * for patch manager.
2241 */
2242 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2243 {
2244 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2245 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2246 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2247 };
2248 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2249 {
2250 uint32_t cLeft = aOldRanges[i].cCpuIds;
2251 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2252 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2253 while (cLeft-- > 0)
2254 {
2255 uLeaf--;
2256 pLegacyLeaf--;
2257
2258 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2259 if (pLeaf)
2260 {
2261 pLegacyLeaf->uEax = pLeaf->uEax;
2262 pLegacyLeaf->uEbx = pLeaf->uEbx;
2263 pLegacyLeaf->uEcx = pLeaf->uEcx;
2264 pLegacyLeaf->uEdx = pLeaf->uEdx;
2265 }
2266 else
2267 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2268 }
2269 }
2270
2271 /*
2272 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2273 */
2274 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2275 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2276 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2277 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2278 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2279 {
2280 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2281 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2282 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2283 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2284 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2285 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2286 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2287 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2288 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2289 pCpum->GuestFeatures.cbMaxExtendedState),
2290 VERR_CPUM_IPE_1);
2291 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2292 }
2293 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2294
2295 /* Copy the CPU #0 data to the other CPUs. */
2296 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2297 {
2298 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2299 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2300 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2301 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2302 }
2303
2304 return VINF_SUCCESS;
2305}
2306
2307
2308/** @name Instruction Set Extension Options
2309 * @{ */
2310/** Configuration option type (extended boolean, really). */
2311typedef uint8_t CPUMISAEXTCFG;
2312/** Always disable the extension. */
2313#define CPUMISAEXTCFG_DISABLED false
2314/** Enable the extension if it's supported by the host CPU. */
2315#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2316/** Enable the extension if it's supported by the host CPU, but don't let
2317 * the portable CPUID feature disable it. */
2318#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2319/** Always enable the extension. */
2320#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2321/** @} */
2322
2323/**
2324 * CPUID Configuration (from CFGM).
2325 *
2326 * @remarks The members aren't document since we would only be duplicating the
2327 * \@cfgm entries in cpumR3CpuIdReadConfig.
2328 */
2329typedef struct CPUMCPUIDCONFIG
2330{
2331 bool fNt4LeafLimit;
2332 bool fInvariantTsc;
2333 bool fForceVme;
2334 bool fNestedHWVirt;
2335
2336 CPUMISAEXTCFG enmCmpXchg16b;
2337 CPUMISAEXTCFG enmMonitor;
2338 CPUMISAEXTCFG enmMWaitExtensions;
2339 CPUMISAEXTCFG enmSse41;
2340 CPUMISAEXTCFG enmSse42;
2341 CPUMISAEXTCFG enmAvx;
2342 CPUMISAEXTCFG enmAvx2;
2343 CPUMISAEXTCFG enmXSave;
2344 CPUMISAEXTCFG enmAesNi;
2345 CPUMISAEXTCFG enmPClMul;
2346 CPUMISAEXTCFG enmPopCnt;
2347 CPUMISAEXTCFG enmMovBe;
2348 CPUMISAEXTCFG enmRdRand;
2349 CPUMISAEXTCFG enmRdSeed;
2350 CPUMISAEXTCFG enmCLFlushOpt;
2351 CPUMISAEXTCFG enmFsGsBase;
2352 CPUMISAEXTCFG enmPcid;
2353 CPUMISAEXTCFG enmInvpcid;
2354
2355 CPUMISAEXTCFG enmAbm;
2356 CPUMISAEXTCFG enmSse4A;
2357 CPUMISAEXTCFG enmMisAlnSse;
2358 CPUMISAEXTCFG enm3dNowPrf;
2359 CPUMISAEXTCFG enmAmdExtMmx;
2360
2361 uint32_t uMaxStdLeaf;
2362 uint32_t uMaxExtLeaf;
2363 uint32_t uMaxCentaurLeaf;
2364 uint32_t uMaxIntelFamilyModelStep;
2365 char szCpuName[128];
2366} CPUMCPUIDCONFIG;
2367/** Pointer to CPUID config (from CFGM). */
2368typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2369
2370
2371/**
2372 * Mini CPU selection support for making Mac OS X happy.
2373 *
2374 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2375 *
2376 * @param pCpum The CPUM instance data.
2377 * @param pConfig The CPUID configuration we've read from CFGM.
2378 */
2379static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2380{
2381 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2382 {
2383 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2384 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2385 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2386 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2387 0);
2388 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2389 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2390 {
2391 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2392 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2393 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2394 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2395 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2396 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2397 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2398 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2399 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2400 pStdFeatureLeaf->uEax = uNew;
2401 }
2402 }
2403}
2404
2405
2406
2407/**
2408 * Limit it the number of entries, zapping the remainder.
2409 *
2410 * The limits are masking off stuff about power saving and similar, this
2411 * is perhaps a bit crudely done as there is probably some relatively harmless
2412 * info too in these leaves (like words about having a constant TSC).
2413 *
2414 * @param pCpum The CPUM instance data.
2415 * @param pConfig The CPUID configuration we've read from CFGM.
2416 */
2417static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2418{
2419 /*
2420 * Standard leaves.
2421 */
2422 uint32_t uSubLeaf = 0;
2423 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2424 if (pCurLeaf)
2425 {
2426 uint32_t uLimit = pCurLeaf->uEax;
2427 if (uLimit <= UINT32_C(0x000fffff))
2428 {
2429 if (uLimit > pConfig->uMaxStdLeaf)
2430 {
2431 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2432 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2433 uLimit + 1, UINT32_C(0x000fffff));
2434 }
2435
2436 /* NT4 hack, no zapping of extra leaves here. */
2437 if (pConfig->fNt4LeafLimit && uLimit > 3)
2438 pCurLeaf->uEax = uLimit = 3;
2439
2440 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2441 pCurLeaf->uEax = uLimit;
2442 }
2443 else
2444 {
2445 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2446 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2447 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2448 }
2449 }
2450
2451 /*
2452 * Extended leaves.
2453 */
2454 uSubLeaf = 0;
2455 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2456 if (pCurLeaf)
2457 {
2458 uint32_t uLimit = pCurLeaf->uEax;
2459 if ( uLimit >= UINT32_C(0x80000000)
2460 && uLimit <= UINT32_C(0x800fffff))
2461 {
2462 if (uLimit > pConfig->uMaxExtLeaf)
2463 {
2464 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2465 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2466 uLimit + 1, UINT32_C(0x800fffff));
2467 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2468 pCurLeaf->uEax = uLimit;
2469 }
2470 }
2471 else
2472 {
2473 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2474 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2475 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2476 }
2477 }
2478
2479 /*
2480 * Centaur leaves (VIA).
2481 */
2482 uSubLeaf = 0;
2483 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2484 if (pCurLeaf)
2485 {
2486 uint32_t uLimit = pCurLeaf->uEax;
2487 if ( uLimit >= UINT32_C(0xc0000000)
2488 && uLimit <= UINT32_C(0xc00fffff))
2489 {
2490 if (uLimit > pConfig->uMaxCentaurLeaf)
2491 {
2492 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2493 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2494 uLimit + 1, UINT32_C(0xcfffffff));
2495 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2496 pCurLeaf->uEax = uLimit;
2497 }
2498 }
2499 else
2500 {
2501 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2502 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2503 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2504 }
2505 }
2506}
2507
2508
2509/**
2510 * Clears a CPUID leaf and all sub-leaves (to zero).
2511 *
2512 * @param pCpum The CPUM instance data.
2513 * @param uLeaf The leaf to clear.
2514 */
2515static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2516{
2517 uint32_t uSubLeaf = 0;
2518 PCPUMCPUIDLEAF pCurLeaf;
2519 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2520 {
2521 pCurLeaf->uEax = 0;
2522 pCurLeaf->uEbx = 0;
2523 pCurLeaf->uEcx = 0;
2524 pCurLeaf->uEdx = 0;
2525 uSubLeaf++;
2526 }
2527}
2528
2529
2530/**
2531 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2532 * the given leaf.
2533 *
2534 * @returns pLeaf.
2535 * @param pCpum The CPUM instance data.
2536 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2537 */
2538static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2539{
2540 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2541 if (pLeaf->fSubLeafMask != 0)
2542 {
2543 /*
2544 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2545 * Log everything while we're at it.
2546 */
2547 LogRel(("CPUM:\n"
2548 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2549 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2550 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2551 for (;;)
2552 {
2553 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2554 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2555 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2556 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2557 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2558 break;
2559 pSubLeaf++;
2560 }
2561 LogRel(("CPUM:\n"));
2562
2563 /*
2564 * Remove the offending sub-leaves.
2565 */
2566 if (pSubLeaf != pLeaf)
2567 {
2568 if (pSubLeaf != pLast)
2569 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2570 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2571 }
2572
2573 /*
2574 * Convert the first sub-leaf into a single leaf.
2575 */
2576 pLeaf->uSubLeaf = 0;
2577 pLeaf->fSubLeafMask = 0;
2578 }
2579 return pLeaf;
2580}
2581
2582
2583/**
2584 * Sanitizes and adjust the CPUID leaves.
2585 *
2586 * Drop features that aren't virtualized (or virtualizable). Adjust information
2587 * and capabilities to fit the virtualized hardware. Remove information the
2588 * guest shouldn't have (because it's wrong in the virtual world or because it
2589 * gives away host details) or that we don't have documentation for and no idea
2590 * what means.
2591 *
2592 * @returns VBox status code.
2593 * @param pVM The cross context VM structure (for cCpus).
2594 * @param pCpum The CPUM instance data.
2595 * @param pConfig The CPUID configuration we've read from CFGM.
2596 */
2597static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2598{
2599#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2600 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2601 { \
2602 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2603 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2604 }
2605#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2606 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2607 { \
2608 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2609 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2610 }
2611#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2612 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2613 && ((a_pLeafReg) & (fBitMask)) \
2614 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2615 { \
2616 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2617 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2618 }
2619 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2620
2621 /* Cpuid 1:
2622 * EAX: CPU model, family and stepping.
2623 *
2624 * ECX + EDX: Supported features. Only report features we can support.
2625 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2626 * options may require adjusting (i.e. stripping what was enabled).
2627 *
2628 * EBX: Branding, CLFLUSH line size, logical processors per package and
2629 * initial APIC ID.
2630 */
2631 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2632 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2633 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2634
2635 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2636 | X86_CPUID_FEATURE_EDX_VME
2637 | X86_CPUID_FEATURE_EDX_DE
2638 | X86_CPUID_FEATURE_EDX_PSE
2639 | X86_CPUID_FEATURE_EDX_TSC
2640 | X86_CPUID_FEATURE_EDX_MSR
2641 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2642 | X86_CPUID_FEATURE_EDX_MCE
2643 | X86_CPUID_FEATURE_EDX_CX8
2644 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2645 //| RT_BIT_32(10) - not defined
2646 /* 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}) */
2647 //| X86_CPUID_FEATURE_EDX_SEP
2648 | X86_CPUID_FEATURE_EDX_MTRR
2649 | X86_CPUID_FEATURE_EDX_PGE
2650 | X86_CPUID_FEATURE_EDX_MCA
2651 | X86_CPUID_FEATURE_EDX_CMOV
2652 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2653 | X86_CPUID_FEATURE_EDX_PSE36
2654 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2655 | X86_CPUID_FEATURE_EDX_CLFSH
2656 //| RT_BIT_32(20) - not defined
2657 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2658 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2659 | X86_CPUID_FEATURE_EDX_MMX
2660 | X86_CPUID_FEATURE_EDX_FXSR
2661 | X86_CPUID_FEATURE_EDX_SSE
2662 | X86_CPUID_FEATURE_EDX_SSE2
2663 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2664 | X86_CPUID_FEATURE_EDX_HTT
2665 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2666 //| RT_BIT_32(30) - not defined
2667 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2668 ;
2669 pStdFeatureLeaf->uEcx &= 0
2670 | X86_CPUID_FEATURE_ECX_SSE3
2671 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2672 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2673 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2674 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2675 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2676 | (pConfig->fNestedHWVirt ? X86_CPUID_FEATURE_ECX_VMX : 0)
2677 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2678 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2679 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2680 | X86_CPUID_FEATURE_ECX_SSSE3
2681 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2682 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2683 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2684 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2685 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2686 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2687 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2688 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2689 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2690 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2691 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2692 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2693 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2694 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2695 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2696 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2697 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2698 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2699 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2700 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2701 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2702 ;
2703
2704 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2705 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2706 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2707 {
2708 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2709 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2710 }
2711
2712 if (pCpum->u8PortableCpuIdLevel > 0)
2713 {
2714 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2715 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2716 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2717 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2718 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2719 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2720 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2721 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, VMX, X86_CPUID_FEATURE_ECX_VMX);
2722 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2723 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2724 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2725 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2726 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2727 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2728 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2729 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2730 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2731 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2732 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2733 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2734
2735 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2736 | X86_CPUID_FEATURE_EDX_PSN
2737 | X86_CPUID_FEATURE_EDX_DS
2738 | X86_CPUID_FEATURE_EDX_ACPI
2739 | X86_CPUID_FEATURE_EDX_SS
2740 | X86_CPUID_FEATURE_EDX_TM
2741 | X86_CPUID_FEATURE_EDX_PBE
2742 )));
2743 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2744 | X86_CPUID_FEATURE_ECX_CPLDS
2745 | X86_CPUID_FEATURE_ECX_AES
2746 | X86_CPUID_FEATURE_ECX_VMX
2747 | X86_CPUID_FEATURE_ECX_SMX
2748 | X86_CPUID_FEATURE_ECX_EST
2749 | X86_CPUID_FEATURE_ECX_TM2
2750 | X86_CPUID_FEATURE_ECX_CNTXID
2751 | X86_CPUID_FEATURE_ECX_FMA
2752 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2753 | X86_CPUID_FEATURE_ECX_PDCM
2754 | X86_CPUID_FEATURE_ECX_DCA
2755 | X86_CPUID_FEATURE_ECX_OSXSAVE
2756 )));
2757 }
2758
2759 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2760 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2761
2762 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2763 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2764 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2765 */
2766#ifdef VBOX_WITH_MULTI_CORE
2767 if (pVM->cCpus > 1)
2768 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2769#endif
2770 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2771 {
2772 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2773 core times the number of CPU cores per processor */
2774#ifdef VBOX_WITH_MULTI_CORE
2775 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2776#else
2777 /* Single logical processor in a package. */
2778 pStdFeatureLeaf->uEbx |= (1 << 16);
2779#endif
2780 }
2781
2782 uint32_t uMicrocodeRev;
2783 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2784 if (RT_SUCCESS(rc))
2785 {
2786 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2787 }
2788 else
2789 {
2790 uMicrocodeRev = 0;
2791 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2792 }
2793
2794 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2795 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2796 */
2797 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2798 && uMicrocodeRev < 0x8001126
2799 && !pConfig->fForceVme)
2800 {
2801 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2802 LogRel(("CPUM: Zen VME workaround engaged\n"));
2803 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2804 }
2805
2806 /* Force standard feature bits. */
2807 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2808 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2809 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2810 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2811 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2812 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2813 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2814 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2815 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2816 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2817 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2818 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2819 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2820 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2821 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2822 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2823 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2824 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2825 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2826 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2827 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2828 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2829
2830 pStdFeatureLeaf = NULL; /* Must refetch! */
2831
2832 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2833 * AMD:
2834 * EAX: CPU model, family and stepping.
2835 *
2836 * ECX + EDX: Supported features. Only report features we can support.
2837 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2838 * options may require adjusting (i.e. stripping what was enabled).
2839 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2840 *
2841 * EBX: Branding ID and package type (or reserved).
2842 *
2843 * Intel and probably most others:
2844 * EAX: 0
2845 * EBX: 0
2846 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2847 */
2848 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2849 if (pExtFeatureLeaf)
2850 {
2851 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2852
2853 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2854 | X86_CPUID_AMD_FEATURE_EDX_VME
2855 | X86_CPUID_AMD_FEATURE_EDX_DE
2856 | X86_CPUID_AMD_FEATURE_EDX_PSE
2857 | X86_CPUID_AMD_FEATURE_EDX_TSC
2858 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2859 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2860 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2861 | X86_CPUID_AMD_FEATURE_EDX_CX8
2862 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2863 //| RT_BIT_32(10) - reserved
2864 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2865 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2866 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2867 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2868 | X86_CPUID_AMD_FEATURE_EDX_PGE
2869 | X86_CPUID_AMD_FEATURE_EDX_MCA
2870 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2871 | X86_CPUID_AMD_FEATURE_EDX_PAT
2872 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2873 //| RT_BIT_32(18) - reserved
2874 //| RT_BIT_32(19) - reserved
2875 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2876 //| RT_BIT_32(21) - reserved
2877 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2878 | X86_CPUID_AMD_FEATURE_EDX_MMX
2879 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2880 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2881 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2882 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2883 //| RT_BIT_32(28) - reserved
2884 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2885 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2886 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2887 ;
2888 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2889 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2890 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2891 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2892 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2893 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2894 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2895 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2896 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2897 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2898 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2899 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2900 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2901 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2902 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2903 //| RT_BIT_32(14) - reserved
2904 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2905 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2906 //| RT_BIT_32(17) - reserved
2907 //| RT_BIT_32(18) - reserved
2908 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2909 //| RT_BIT_32(20) - reserved
2910 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2911 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2912 //| RT_BIT_32(23) - reserved
2913 //| RT_BIT_32(24) - reserved
2914 //| RT_BIT_32(25) - reserved
2915 //| RT_BIT_32(26) - reserved
2916 //| RT_BIT_32(27) - reserved
2917 //| RT_BIT_32(28) - reserved
2918 //| RT_BIT_32(29) - reserved
2919 //| RT_BIT_32(30) - reserved
2920 //| RT_BIT_32(31) - reserved
2921 ;
2922#ifdef VBOX_WITH_MULTI_CORE
2923 if ( pVM->cCpus > 1
2924 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2925 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2926#endif
2927
2928 if (pCpum->u8PortableCpuIdLevel > 0)
2929 {
2930 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2931 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM);
2932 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2933 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2934 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2935 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2936 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2937 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2938 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2939 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2940 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2941 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2942 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2943 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2944 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2945 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2946
2947 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2948 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2949 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2950 | X86_CPUID_AMD_FEATURE_ECX_IBS
2951 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2952 | X86_CPUID_AMD_FEATURE_ECX_WDT
2953 | X86_CPUID_AMD_FEATURE_ECX_LWP
2954 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2955 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2956 | UINT32_C(0xff964000)
2957 )));
2958 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2959 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2960 | RT_BIT(18)
2961 | RT_BIT(19)
2962 | RT_BIT(21)
2963 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2964 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2965 | RT_BIT(28)
2966 )));
2967 }
2968
2969 /* Force extended feature bits. */
2970 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2971 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2972 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2973 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2974 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2975 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2976 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2977 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2978 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2979 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2980 }
2981 pExtFeatureLeaf = NULL; /* Must refetch! */
2982
2983
2984 /* Cpuid 2:
2985 * Intel: (Nondeterministic) Cache and TLB information
2986 * AMD: Reserved
2987 * VIA: Reserved
2988 * Safe to expose.
2989 */
2990 uint32_t uSubLeaf = 0;
2991 PCPUMCPUIDLEAF pCurLeaf;
2992 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2993 {
2994 if ((pCurLeaf->uEax & 0xff) > 1)
2995 {
2996 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2997 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2998 }
2999 uSubLeaf++;
3000 }
3001
3002 /* Cpuid 3:
3003 * Intel: EAX, EBX - reserved (transmeta uses these)
3004 * ECX, EDX - Processor Serial Number if available, otherwise reserved
3005 * AMD: Reserved
3006 * VIA: Reserved
3007 * Safe to expose
3008 */
3009 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3010 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3011 {
3012 uSubLeaf = 0;
3013 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3014 {
3015 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3016 if (pCpum->u8PortableCpuIdLevel > 0)
3017 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3018 uSubLeaf++;
3019 }
3020 }
3021
3022 /* Cpuid 4 + ECX:
3023 * Intel: Deterministic Cache Parameters Leaf.
3024 * AMD: Reserved
3025 * VIA: Reserved
3026 * Safe to expose, except for EAX:
3027 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3028 * Bits 31-26: Maximum number of processor cores in this physical package**
3029 * Note: These SMP values are constant regardless of ECX
3030 */
3031 uSubLeaf = 0;
3032 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3033 {
3034 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3035#ifdef VBOX_WITH_MULTI_CORE
3036 if ( pVM->cCpus > 1
3037 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3038 {
3039 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3040 /* One logical processor with possibly multiple cores. */
3041 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3042 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3043 }
3044#endif
3045 uSubLeaf++;
3046 }
3047
3048 /* Cpuid 5: Monitor/mwait Leaf
3049 * Intel: ECX, EDX - reserved
3050 * EAX, EBX - Smallest and largest monitor line size
3051 * AMD: EDX - reserved
3052 * EAX, EBX - Smallest and largest monitor line size
3053 * ECX - extensions (ignored for now)
3054 * VIA: Reserved
3055 * Safe to expose
3056 */
3057 uSubLeaf = 0;
3058 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3059 {
3060 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3061 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3062 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3063
3064 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3065 if (pConfig->enmMWaitExtensions)
3066 {
3067 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3068 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3069 it shall be part of our power management virtualization model */
3070#if 0
3071 /* MWAIT sub C-states */
3072 pCurLeaf->uEdx =
3073 (0 << 0) /* 0 in C0 */ |
3074 (2 << 4) /* 2 in C1 */ |
3075 (2 << 8) /* 2 in C2 */ |
3076 (2 << 12) /* 2 in C3 */ |
3077 (0 << 16) /* 0 in C4 */
3078 ;
3079#endif
3080 }
3081 else
3082 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3083 uSubLeaf++;
3084 }
3085
3086 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3087 * Intel: Various stuff.
3088 * AMD: EAX, EBX, EDX - reserved.
3089 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3090 * present. Same as intel.
3091 * VIA: ??
3092 *
3093 * We clear everything here for now.
3094 */
3095 cpumR3CpuIdZeroLeaf(pCpum, 6);
3096
3097 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3098 * EAX: Number of sub leaves.
3099 * EBX+ECX+EDX: Feature flags
3100 *
3101 * We only have documentation for one sub-leaf, so clear all other (no need
3102 * to remove them as such, just set them to zero).
3103 *
3104 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3105 * options may require adjusting (i.e. stripping what was enabled).
3106 */
3107 uSubLeaf = 0;
3108 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3109 {
3110 switch (uSubLeaf)
3111 {
3112 case 0:
3113 {
3114 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3115 pCurLeaf->uEbx &= 0
3116 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3117 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3118 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3119 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3120 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3121 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3122 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3123 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3124 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3125 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3126 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3127 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3128 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3129 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3130 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3131 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3132 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3133 //| RT_BIT(17) - reserved
3134 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3135 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3136 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3137 //| RT_BIT(21) - reserved
3138 //| RT_BIT(22) - reserved
3139 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3140 //| RT_BIT(24) - reserved
3141 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3142 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3143 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3144 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3145 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3146 //| RT_BIT(30) - reserved
3147 //| RT_BIT(31) - reserved
3148 ;
3149 pCurLeaf->uEcx &= 0
3150 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3151 ;
3152 pCurLeaf->uEdx &= 0
3153 //| X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB RT_BIT(26)
3154 //| X86_CPUID_STEXT_FEATURE_EDX_STIBP RT_BIT(27)
3155 //| X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP RT_BIT(29)
3156 ;
3157
3158 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3159 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3160 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3161 {
3162 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3163 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to work around buggy guests\n"));
3164 }
3165
3166 if (pCpum->u8PortableCpuIdLevel > 0)
3167 {
3168 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3169 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3170 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3171 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3172 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3173 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3174 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3175 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3176 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3177 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3178 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3179 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3180 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3181 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3182 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3183 }
3184
3185 /* Force standard feature bits. */
3186 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3187 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3188 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3189 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3190 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3191 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3192 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3193 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3194 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3195 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3196 break;
3197 }
3198
3199 default:
3200 /* Invalid index, all values are zero. */
3201 pCurLeaf->uEax = 0;
3202 pCurLeaf->uEbx = 0;
3203 pCurLeaf->uEcx = 0;
3204 pCurLeaf->uEdx = 0;
3205 break;
3206 }
3207 uSubLeaf++;
3208 }
3209
3210 /* Cpuid 8: Marked as reserved by Intel and AMD.
3211 * We zero this since we don't know what it may have been used for.
3212 */
3213 cpumR3CpuIdZeroLeaf(pCpum, 8);
3214
3215 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3216 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3217 * EBX, ECX, EDX - reserved.
3218 * AMD: Reserved
3219 * VIA: ??
3220 *
3221 * We zero this.
3222 */
3223 cpumR3CpuIdZeroLeaf(pCpum, 9);
3224
3225 /* Cpuid 0xa: Architectural Performance Monitor Features
3226 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3227 * EBX, ECX, EDX - reserved.
3228 * AMD: Reserved
3229 * VIA: ??
3230 *
3231 * We zero this, for now at least.
3232 */
3233 cpumR3CpuIdZeroLeaf(pCpum, 10);
3234
3235 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3236 * Intel: EAX - APCI ID shift right for next level.
3237 * EBX - Factory configured cores/threads at this level.
3238 * ECX - Level number (same as input) and level type (1,2,0).
3239 * EDX - Extended initial APIC ID.
3240 * AMD: Reserved
3241 * VIA: ??
3242 */
3243 uSubLeaf = 0;
3244 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3245 {
3246 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3247 {
3248 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3249 if (bLevelType == 1)
3250 {
3251 /* Thread level - we don't do threads at the moment. */
3252 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3253 pCurLeaf->uEbx = 1;
3254 }
3255 else if (bLevelType == 2)
3256 {
3257 /* Core level. */
3258 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... */
3259#ifdef VBOX_WITH_MULTI_CORE
3260 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3261 pCurLeaf->uEax++;
3262#endif
3263 pCurLeaf->uEbx = pVM->cCpus;
3264 }
3265 else
3266 {
3267 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3268 pCurLeaf->uEax = 0;
3269 pCurLeaf->uEbx = 0;
3270 pCurLeaf->uEcx = 0;
3271 }
3272 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3273 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3274 }
3275 else
3276 {
3277 pCurLeaf->uEax = 0;
3278 pCurLeaf->uEbx = 0;
3279 pCurLeaf->uEcx = 0;
3280 pCurLeaf->uEdx = 0;
3281 }
3282 uSubLeaf++;
3283 }
3284
3285 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3286 * We zero this since we don't know what it may have been used for.
3287 */
3288 cpumR3CpuIdZeroLeaf(pCpum, 12);
3289
3290 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3291 * ECX=0: EAX - Valid bits in XCR0[31:0].
3292 * EBX - Maximum state size as per current XCR0 value.
3293 * ECX - Maximum state size for all supported features.
3294 * EDX - Valid bits in XCR0[63:32].
3295 * ECX=1: EAX - Various X-features.
3296 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3297 * ECX - Valid bits in IA32_XSS[31:0].
3298 * EDX - Valid bits in IA32_XSS[63:32].
3299 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3300 * if the bit invalid all four registers are set to zero.
3301 * EAX - The state size for this feature.
3302 * EBX - The state byte offset of this feature.
3303 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3304 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3305 *
3306 * Clear them all as we don't currently implement extended CPU state.
3307 */
3308 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3309 uint64_t fGuestXcr0Mask = 0;
3310 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3311 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3312 {
3313 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3314 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3315 fGuestXcr0Mask |= XSAVE_C_YMM;
3316 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3317 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3318 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3319 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3320
3321 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3322 }
3323 pStdFeatureLeaf = NULL;
3324 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3325
3326 /* Work the sub-leaves. */
3327 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3328 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3329 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3330 {
3331 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3332 if (pCurLeaf)
3333 {
3334 if (fGuestXcr0Mask)
3335 {
3336 switch (uSubLeaf)
3337 {
3338 case 0:
3339 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3340 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3341 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3342 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3343 VERR_CPUM_IPE_1);
3344 cbXSaveMaxActual = pCurLeaf->uEcx;
3345 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3346 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3347 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3348 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3349 VERR_CPUM_IPE_2);
3350 continue;
3351 case 1:
3352 pCurLeaf->uEax &= 0;
3353 pCurLeaf->uEcx &= 0;
3354 pCurLeaf->uEdx &= 0;
3355 /** @todo what about checking ebx? */
3356 continue;
3357 default:
3358 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3359 {
3360 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3361 && pCurLeaf->uEax > 0
3362 && pCurLeaf->uEbx < cbXSaveMaxActual
3363 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3364 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3365 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3366 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3367 VERR_CPUM_IPE_2);
3368 AssertLogRel(!(pCurLeaf->uEcx & 1));
3369 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3370 pCurLeaf->uEdx = 0; /* it's reserved... */
3371 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3372 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3373 continue;
3374 }
3375 break;
3376 }
3377 }
3378
3379 /* Clear the leaf. */
3380 pCurLeaf->uEax = 0;
3381 pCurLeaf->uEbx = 0;
3382 pCurLeaf->uEcx = 0;
3383 pCurLeaf->uEdx = 0;
3384 }
3385 }
3386
3387 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3388 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3389 {
3390 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3391 if (pCurLeaf)
3392 {
3393 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3394 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3395 pCurLeaf->uEbx = cbXSaveMaxReport;
3396 pCurLeaf->uEcx = cbXSaveMaxReport;
3397 }
3398 }
3399
3400 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3401 * We zero this since we don't know what it may have been used for.
3402 */
3403 cpumR3CpuIdZeroLeaf(pCpum, 14);
3404
3405 /* Cpuid 0xf + ECX: Platform quality of service monitoring (PQM),
3406 * also known as Intel Resource Director Technology (RDT) Monitoring
3407 * We zero this as we don't currently virtualize PQM.
3408 */
3409 cpumR3CpuIdZeroLeaf(pCpum, 15);
3410
3411 /* Cpuid 0x10 + ECX: Platform quality of service enforcement (PQE),
3412 * also known as Intel Resource Director Technology (RDT) Allocation
3413 * We zero this as we don't currently virtualize PQE.
3414 */
3415 cpumR3CpuIdZeroLeaf(pCpum, 16);
3416
3417 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3418 * We zero this since we don't know what it may have been used for.
3419 */
3420 cpumR3CpuIdZeroLeaf(pCpum, 17);
3421
3422 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3423 * We zero this as we don't currently virtualize this.
3424 */
3425 cpumR3CpuIdZeroLeaf(pCpum, 18);
3426
3427 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3428 * We zero this since we don't know what it may have been used for.
3429 */
3430 cpumR3CpuIdZeroLeaf(pCpum, 19);
3431
3432 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3433 * We zero this as we don't currently virtualize this.
3434 */
3435 cpumR3CpuIdZeroLeaf(pCpum, 20);
3436
3437 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3438 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3439 * EAX - denominator (unsigned).
3440 * EBX - numerator (unsigned).
3441 * ECX, EDX - reserved.
3442 * AMD: Reserved / undefined / not implemented.
3443 * VIA: Reserved / undefined / not implemented.
3444 * We zero this as we don't currently virtualize this.
3445 */
3446 cpumR3CpuIdZeroLeaf(pCpum, 21);
3447
3448 /* Cpuid 0x16: Processor frequency info
3449 * Intel: EAX - Core base frequency in MHz.
3450 * EBX - Core maximum frequency in MHz.
3451 * ECX - Bus (reference) frequency in MHz.
3452 * EDX - Reserved.
3453 * AMD: Reserved / undefined / not implemented.
3454 * VIA: Reserved / undefined / not implemented.
3455 * We zero this as we don't currently virtualize this.
3456 */
3457 cpumR3CpuIdZeroLeaf(pCpum, 22);
3458
3459 /* Cpuid 0x17..0x10000000: Unknown.
3460 * We don't know these and what they mean, so remove them. */
3461 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3462 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3463
3464
3465 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3466 * We remove all these as we're a hypervisor and must provide our own.
3467 */
3468 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3469 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3470
3471
3472 /* Cpuid 0x80000000 is harmless. */
3473
3474 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3475
3476 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3477
3478 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3479 * Safe to pass on to the guest.
3480 *
3481 * AMD: 0x800000005 L1 cache information
3482 * 0x800000006 L2/L3 cache information
3483 * Intel: 0x800000005 reserved
3484 * 0x800000006 L2 cache information
3485 * VIA: 0x800000005 TLB and L1 cache information
3486 * 0x800000006 L2 cache information
3487 */
3488
3489 /* Cpuid 0x800000007: Advanced Power Management Information.
3490 * AMD: EAX: Processor feedback capabilities.
3491 * EBX: RAS capabilites.
3492 * ECX: Advanced power monitoring interface.
3493 * EDX: Enhanced power management capabilities.
3494 * Intel: EAX, EBX, ECX - reserved.
3495 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3496 * VIA: Reserved
3497 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3498 */
3499 uSubLeaf = 0;
3500 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3501 {
3502 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3503 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3504 {
3505 /*
3506 * Older 64-bit linux kernels blindly assume that the AMD performance counters work
3507 * if X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR is set, see @bugref{7243#c85}. Exposing this
3508 * bit is now configurable.
3509 */
3510 pCurLeaf->uEdx &= 0
3511 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3512 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3513 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3514 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3515 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3516 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3517 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3518 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3519 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3520 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3521 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3522 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3523 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3524 | 0;
3525 }
3526 else
3527 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3528 if (!pConfig->fInvariantTsc)
3529 pCurLeaf->uEdx &= ~X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3530 uSubLeaf++;
3531 }
3532
3533 /* Cpuid 0x80000008:
3534 * AMD: EBX, EDX - reserved
3535 * EAX: Virtual/Physical/Guest address Size
3536 * ECX: Number of cores + APICIdCoreIdSize
3537 * Intel: EAX: Virtual/Physical address Size
3538 * EBX, ECX, EDX - reserved
3539 * VIA: EAX: Virtual/Physical address Size
3540 * EBX, ECX, EDX - reserved
3541 *
3542 * We only expose the virtual+pysical address size to the guest atm.
3543 * On AMD we set the core count, but not the apic id stuff as we're
3544 * currently not doing the apic id assignments in a complatible manner.
3545 */
3546 uSubLeaf = 0;
3547 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3548 {
3549 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3550 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3551 pCurLeaf->uEdx = 0; /* reserved */
3552
3553 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3554 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3555 pCurLeaf->uEcx = 0;
3556#ifdef VBOX_WITH_MULTI_CORE
3557 if ( pVM->cCpus > 1
3558 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3559 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3560#endif
3561 uSubLeaf++;
3562 }
3563
3564 /* Cpuid 0x80000009: Reserved
3565 * We zero this since we don't know what it may have been used for.
3566 */
3567 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3568
3569 /* Cpuid 0x8000000a: SVM Information
3570 * AMD: EAX - SVM revision.
3571 * EBX - Number of ASIDs.
3572 * ECX - Reserved.
3573 * EDX - SVM Feature identification.
3574 */
3575 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3576 if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3577 {
3578 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3579 pSvmFeatureLeaf->uEax = 0x1;
3580 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3581 pSvmFeatureLeaf->uEcx = 0;
3582 pSvmFeatureLeaf->uEdx &= ( X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE /** @todo Support other SVM features */
3583 | X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID
3584 | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
3585 }
3586 else
3587 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3588
3589 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3590 * We clear these as we don't know what purpose they might have. */
3591 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3592 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3593
3594 /* Cpuid 0x80000019: TLB configuration
3595 * Seems to be harmless, pass them thru as is. */
3596
3597 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3598 * Strip anything we don't know what is or addresses feature we don't implement. */
3599 uSubLeaf = 0;
3600 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3601 {
3602 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3603 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3604 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3605 ;
3606 pCurLeaf->uEbx = 0; /* reserved */
3607 pCurLeaf->uEcx = 0; /* reserved */
3608 pCurLeaf->uEdx = 0; /* reserved */
3609 uSubLeaf++;
3610 }
3611
3612 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3613 * Clear this as we don't currently virtualize this feature. */
3614 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3615
3616 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3617 * Clear this as we don't currently virtualize this feature. */
3618 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3619
3620 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3621 * We need to sanitize the cores per cache (EAX[25:14]).
3622 *
3623 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3624 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3625 * slightly different meaning.
3626 */
3627 uSubLeaf = 0;
3628 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3629 {
3630#ifdef VBOX_WITH_MULTI_CORE
3631 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3632 if (cCores > pVM->cCpus)
3633 cCores = pVM->cCpus;
3634 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3635 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3636#else
3637 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3638#endif
3639 uSubLeaf++;
3640 }
3641
3642 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3643 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3644 * setup, we have one compute unit with all the cores in it. Single node.
3645 */
3646 uSubLeaf = 0;
3647 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3648 {
3649 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3650 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3651 {
3652#ifdef VBOX_WITH_MULTI_CORE
3653 pCurLeaf->uEbx = pVM->cCpus < 0x100
3654 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3655#else
3656 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3657#endif
3658 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3659 }
3660 else
3661 {
3662 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3663 pCurLeaf->uEbx = 0; /* Reserved. */
3664 pCurLeaf->uEcx = 0; /* Reserved. */
3665 }
3666 pCurLeaf->uEdx = 0; /* Reserved. */
3667 uSubLeaf++;
3668 }
3669
3670 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3671 * We don't know these and what they mean, so remove them. */
3672 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3673 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3674
3675 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3676 * Just pass it thru for now. */
3677
3678 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3679 * Just pass it thru for now. */
3680
3681 /* Cpuid 0xc0000000: Centaur stuff.
3682 * Harmless, pass it thru. */
3683
3684 /* Cpuid 0xc0000001: Centaur features.
3685 * VIA: EAX - Family, model, stepping.
3686 * EDX - Centaur extended feature flags. Nothing interesting, except may
3687 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3688 * EBX, ECX - reserved.
3689 * We keep EAX but strips the rest.
3690 */
3691 uSubLeaf = 0;
3692 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3693 {
3694 pCurLeaf->uEbx = 0;
3695 pCurLeaf->uEcx = 0;
3696 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3697 uSubLeaf++;
3698 }
3699
3700 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3701 * We only have fixed stale values, but should be harmless. */
3702
3703 /* Cpuid 0xc0000003: Reserved.
3704 * We zero this since we don't know what it may have been used for.
3705 */
3706 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3707
3708 /* Cpuid 0xc0000004: Centaur Performance Info.
3709 * We only have fixed stale values, but should be harmless. */
3710
3711
3712 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3713 * We don't know these and what they mean, so remove them. */
3714 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3715 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3716
3717 return VINF_SUCCESS;
3718#undef PORTABLE_DISABLE_FEATURE_BIT
3719#undef PORTABLE_CLEAR_BITS_WHEN
3720}
3721
3722
3723/**
3724 * Reads a value in /CPUM/IsaExts/ node.
3725 *
3726 * @returns VBox status code (error message raised).
3727 * @param pVM The cross context VM structure. (For errors.)
3728 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3729 * @param pszValueName The value / extension name.
3730 * @param penmValue Where to return the choice.
3731 * @param enmDefault The default choice.
3732 */
3733static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3734 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3735{
3736 /*
3737 * Try integer encoding first.
3738 */
3739 uint64_t uValue;
3740 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3741 if (RT_SUCCESS(rc))
3742 switch (uValue)
3743 {
3744 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3745 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3746 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3747 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3748 default:
3749 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3750 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3751 pszValueName, uValue);
3752 }
3753 /*
3754 * If missing, use default.
3755 */
3756 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3757 *penmValue = enmDefault;
3758 else
3759 {
3760 if (rc == VERR_CFGM_NOT_INTEGER)
3761 {
3762 /*
3763 * Not an integer, try read it as a string.
3764 */
3765 char szValue[32];
3766 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3767 if (RT_SUCCESS(rc))
3768 {
3769 RTStrToLower(szValue);
3770 size_t cchValue = strlen(szValue);
3771#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3772 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3773 *penmValue = CPUMISAEXTCFG_DISABLED;
3774 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3775 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3776 else if (EQ("forced") || EQ("force") || EQ("always"))
3777 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3778 else if (EQ("portable"))
3779 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3780 else if (EQ("default") || EQ("def"))
3781 *penmValue = enmDefault;
3782 else
3783 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3784 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3785 pszValueName, uValue);
3786#undef EQ
3787 }
3788 }
3789 if (RT_FAILURE(rc))
3790 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3791 }
3792 return VINF_SUCCESS;
3793}
3794
3795
3796/**
3797 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3798 *
3799 * @returns VBox status code (error message raised).
3800 * @param pVM The cross context VM structure. (For errors.)
3801 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3802 * @param pszValueName The value / extension name.
3803 * @param penmValue Where to return the choice.
3804 * @param enmDefault The default choice.
3805 * @param fAllowed Allowed choice. Applied both to the result and to
3806 * the default value.
3807 */
3808static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3809 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3810{
3811 int rc;
3812 if (fAllowed)
3813 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3814 else
3815 {
3816 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3817 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3818 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3819 *penmValue = CPUMISAEXTCFG_DISABLED;
3820 }
3821 return rc;
3822}
3823
3824
3825/**
3826 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3827 *
3828 * @returns VBox status code (error message raised).
3829 * @param pVM The cross context VM structure. (For errors.)
3830 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3831 * @param pCpumCfg The /CPUM node (can be NULL).
3832 * @param pszValueName The value / extension name.
3833 * @param penmValue Where to return the choice.
3834 * @param enmDefault The default choice.
3835 */
3836static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3837 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3838{
3839 if (CFGMR3Exists(pCpumCfg, pszValueName))
3840 {
3841 if (!CFGMR3Exists(pIsaExts, pszValueName))
3842 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3843 else
3844 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3845 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3846 pszValueName, pszValueName);
3847
3848 bool fLegacy;
3849 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3850 if (RT_SUCCESS(rc))
3851 {
3852 *penmValue = fLegacy;
3853 return VINF_SUCCESS;
3854 }
3855 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3856 }
3857
3858 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3859}
3860
3861
3862static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3863{
3864 int rc;
3865
3866 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3867 * When non-zero CPUID features that could cause portability issues will be
3868 * stripped. The higher the value the more features gets stripped. Higher
3869 * values should only be used when older CPUs are involved since it may
3870 * harm performance and maybe also cause problems with specific guests. */
3871 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3872 AssertLogRelRCReturn(rc, rc);
3873
3874 /** @cfgm{/CPUM/GuestCpuName, string}
3875 * The name of the CPU we're to emulate. The default is the host CPU.
3876 * Note! CPUs other than "host" one is currently unsupported. */
3877 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3878 AssertLogRelRCReturn(rc, rc);
3879
3880 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3881 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3882 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3883 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3884 */
3885 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3886 AssertLogRelRCReturn(rc, rc);
3887
3888 /** @cfgm{/CPUM/InvariantTsc, boolean, true}
3889 * Pass-through the invariant TSC flag in 0x80000007 if available on the host
3890 * CPU. On AMD CPUs, users may wish to suppress it to avoid trouble from older
3891 * 64-bit linux guests which assume the presence of AMD performance counters
3892 * that we do not virtualize.
3893 */
3894 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, true);
3895 AssertLogRelRCReturn(rc, rc);
3896
3897 /** @cfgm{/CPUM/ForceVme, boolean, false}
3898 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3899 * By default the flag is passed thru as is from the host CPU, except
3900 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3901 * guests and DOS boxes in general.
3902 */
3903 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3904 AssertLogRelRCReturn(rc, rc);
3905
3906 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3907 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3908 * probably going to be a temporary hack, so don't depend on this.
3909 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3910 * number and the 3rd byte value is the family, and the 4th value must be zero.
3911 */
3912 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3913 AssertLogRelRCReturn(rc, rc);
3914
3915 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3916 * The last standard leaf to keep. The actual last value that is stored in EAX
3917 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3918 * removed. (This works independently of and differently from NT4LeafLimit.)
3919 * The default is usually set to what we're able to reasonably sanitize.
3920 */
3921 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3922 AssertLogRelRCReturn(rc, rc);
3923
3924 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3925 * The last extended leaf to keep. The actual last value that is stored in EAX
3926 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3927 * leaf are removed. The default is set to what we're able to sanitize.
3928 */
3929 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3930 AssertLogRelRCReturn(rc, rc);
3931
3932 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3933 * The last extended leaf to keep. The actual last value that is stored in EAX
3934 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3935 * leaf are removed. The default is set to what we're able to sanitize.
3936 */
3937 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3938 AssertLogRelRCReturn(rc, rc);
3939
3940#if defined(VBOX_WITH_NESTED_HWVIRT_SVM) || defined(VBOX_WITH_NESTED_HWVIRT_VMX)
3941 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
3942 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
3943 * The default is false, and when enabled requires nested paging and AMD-V or
3944 * unrestricted guest mode.
3945 */
3946 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
3947 AssertLogRelRCReturn(rc, rc);
3948 if ( pConfig->fNestedHWVirt
3949 && !fNestedPagingAndFullGuestExec)
3950 return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
3951 "Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!\n");
3952
3953 /** @todo Think about enabling this later with NEM/KVM. */
3954 if ( pConfig->fNestedHWVirt
3955 && VM_IS_NEM_ENABLED(pVM))
3956 {
3957 LogRel(("CPUM: WARNING! Can't turn on nested VT-x/AMD-V when NEM is used!\n"));
3958 pConfig->fNestedHWVirt = false;
3959 }
3960#endif
3961
3962 /*
3963 * Instruction Set Architecture (ISA) Extensions.
3964 */
3965 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3966 if (pIsaExts)
3967 {
3968 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3969 "CMPXCHG16B"
3970 "|MONITOR"
3971 "|MWaitExtensions"
3972 "|SSE4.1"
3973 "|SSE4.2"
3974 "|XSAVE"
3975 "|AVX"
3976 "|AVX2"
3977 "|AESNI"
3978 "|PCLMUL"
3979 "|POPCNT"
3980 "|MOVBE"
3981 "|RDRAND"
3982 "|RDSEED"
3983 "|CLFLUSHOPT"
3984 "|FSGSBASE"
3985 "|PCID"
3986 "|INVPCID"
3987 "|ABM"
3988 "|SSE4A"
3989 "|MISALNSSE"
3990 "|3DNOWPRF"
3991 "|AXMMX"
3992 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3993 if (RT_FAILURE(rc))
3994 return rc;
3995 }
3996
3997 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3998 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3999 * being the default is to only do this for VMs with nested paging and AMD-V or
4000 * unrestricted guest mode.
4001 */
4002 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
4003 AssertLogRelRCReturn(rc, rc);
4004
4005 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
4006 * Expose MONITOR/MWAIT instructions to the guest.
4007 */
4008 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
4009 AssertLogRelRCReturn(rc, rc);
4010
4011 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
4012 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
4013 * break on interrupt feature (bit 1).
4014 */
4015 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
4016 AssertLogRelRCReturn(rc, rc);
4017
4018 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4019 * Expose SSE4.1 to the guest if available.
4020 */
4021 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4022 AssertLogRelRCReturn(rc, rc);
4023
4024 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4025 * Expose SSE4.2 to the guest if available.
4026 */
4027 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4028 AssertLogRelRCReturn(rc, rc);
4029
4030 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4031 && pVM->cpum.s.HostFeatures.fXSaveRstor
4032 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
4033#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
4034 && ( !HMIsLongModeAllowed(pVM)
4035 || NEMHCIsLongModeAllowed(pVM))
4036#endif
4037 ;
4038 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4039
4040 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4041 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4042 * default is to only expose this to VMs with nested paging and AMD-V or
4043 * unrestricted guest execution mode. Not possible to force this one without
4044 * host support at the moment.
4045 */
4046 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4047 fMayHaveXSave /*fAllowed*/);
4048 AssertLogRelRCReturn(rc, rc);
4049
4050 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4051 * Expose the AVX instruction set extensions to the guest if available and
4052 * XSAVE is exposed too. For the time being the default is to only expose this
4053 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4054 */
4055 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4056 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4057 AssertLogRelRCReturn(rc, rc);
4058
4059 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4060 * Expose the AVX2 instruction set extensions to the guest if available and
4061 * XSAVE is exposed too. For the time being the default is to only expose this
4062 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4063 */
4064 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4065 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4066 AssertLogRelRCReturn(rc, rc);
4067
4068 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4069 * Whether to expose the AES instructions to the guest. For the time being the
4070 * default is to only do this for VMs with nested paging and AMD-V or
4071 * unrestricted guest mode.
4072 */
4073 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4074 AssertLogRelRCReturn(rc, rc);
4075
4076 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4077 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4078 * being the default is to only do this for VMs with nested paging and AMD-V or
4079 * unrestricted guest mode.
4080 */
4081 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4082 AssertLogRelRCReturn(rc, rc);
4083
4084 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4085 * Whether to expose the POPCNT instructions to the guest. For the time
4086 * being the default is to only do this for VMs with nested paging and AMD-V or
4087 * unrestricted guest mode.
4088 */
4089 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4090 AssertLogRelRCReturn(rc, rc);
4091
4092 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4093 * Whether to expose the MOVBE instructions to the guest. For the time
4094 * being the default is to only do this for VMs with nested paging and AMD-V or
4095 * unrestricted guest mode.
4096 */
4097 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4098 AssertLogRelRCReturn(rc, rc);
4099
4100 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4101 * Whether to expose the RDRAND instructions to the guest. For the time being
4102 * the default is to only do this for VMs with nested paging and AMD-V or
4103 * unrestricted guest mode.
4104 */
4105 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4106 AssertLogRelRCReturn(rc, rc);
4107
4108 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4109 * Whether to expose the RDSEED instructions to the guest. For the time being
4110 * the default is to only do this for VMs with nested paging and AMD-V or
4111 * unrestricted guest mode.
4112 */
4113 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4114 AssertLogRelRCReturn(rc, rc);
4115
4116 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4117 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4118 * being the default is to only do this for VMs with nested paging and AMD-V or
4119 * unrestricted guest mode.
4120 */
4121 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4122 AssertLogRelRCReturn(rc, rc);
4123
4124 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4125 * Whether to expose the read/write FSGSBASE instructions to the guest.
4126 */
4127 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4128 AssertLogRelRCReturn(rc, rc);
4129
4130 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4131 * Whether to expose the PCID feature to the guest.
4132 */
4133 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4134 AssertLogRelRCReturn(rc, rc);
4135
4136 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4137 * Whether to expose the INVPCID instruction to the guest.
4138 */
4139 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4140 AssertLogRelRCReturn(rc, rc);
4141
4142
4143 /* AMD: */
4144
4145 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4146 * Whether to expose the AMD ABM instructions to the guest. For the time
4147 * being the default is to only do this for VMs with nested paging and AMD-V or
4148 * unrestricted guest mode.
4149 */
4150 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4151 AssertLogRelRCReturn(rc, rc);
4152
4153 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4154 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4155 * being the default is to only do this for VMs with nested paging and AMD-V or
4156 * unrestricted guest mode.
4157 */
4158 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4159 AssertLogRelRCReturn(rc, rc);
4160
4161 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4162 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4163 * the time being the default is to only do this for VMs with nested paging and
4164 * AMD-V or unrestricted guest mode.
4165 */
4166 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4167 AssertLogRelRCReturn(rc, rc);
4168
4169 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4170 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4171 * For the time being the default is to only do this for VMs with nested paging
4172 * and AMD-V or unrestricted guest mode.
4173 */
4174 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4175 AssertLogRelRCReturn(rc, rc);
4176
4177 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4178 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4179 * the default is to only do this for VMs with nested paging and AMD-V or
4180 * unrestricted guest mode.
4181 */
4182 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4183 AssertLogRelRCReturn(rc, rc);
4184
4185 return VINF_SUCCESS;
4186}
4187
4188
4189/**
4190 * Initializes the emulated CPU's CPUID & MSR information.
4191 *
4192 * @returns VBox status code.
4193 * @param pVM The cross context VM structure.
4194 */
4195int cpumR3InitCpuIdAndMsrs(PVM pVM)
4196{
4197 PCPUM pCpum = &pVM->cpum.s;
4198 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4199
4200 /*
4201 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4202 * on construction and manage everything from here on.
4203 */
4204 for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4205 pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4206
4207 /*
4208 * Read the configuration.
4209 */
4210 CPUMCPUIDCONFIG Config;
4211 RT_ZERO(Config);
4212
4213 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4214 AssertRCReturn(rc, rc);
4215
4216 /*
4217 * Get the guest CPU data from the database and/or the host.
4218 *
4219 * The CPUID and MSRs are currently living on the regular heap to avoid
4220 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4221 * API for the hyper heap). This means special cleanup considerations.
4222 */
4223 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4224 if (RT_FAILURE(rc))
4225 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4226 ? VMSetError(pVM, rc, RT_SRC_POS,
4227 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4228 : rc;
4229
4230 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4231 {
4232 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4233 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4234 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4235 }
4236 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4237
4238 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4239 * Overrides the guest MSRs.
4240 */
4241 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4242
4243 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4244 * Overrides the CPUID leaf values (from the host CPU usually) used for
4245 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4246 * values when moving a VM to a different machine. Another use is restricting
4247 * (or extending) the feature set exposed to the guest. */
4248 if (RT_SUCCESS(rc))
4249 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4250
4251 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4252 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4253 "Found unsupported configuration node '/CPUM/CPUID/'. "
4254 "Please use IMachine::setCPUIDLeaf() instead.");
4255
4256 /*
4257 * Pre-explode the CPUID info.
4258 */
4259 if (RT_SUCCESS(rc))
4260 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4261
4262 /*
4263 * Sanitize the cpuid information passed on to the guest.
4264 */
4265 if (RT_SUCCESS(rc))
4266 {
4267 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4268 if (RT_SUCCESS(rc))
4269 {
4270 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4271 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4272 }
4273 }
4274
4275 /*
4276 * MSR fudging.
4277 */
4278 if (RT_SUCCESS(rc))
4279 {
4280 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4281 * Fudges some common MSRs if not present in the selected CPU database entry.
4282 * This is for trying to keep VMs running when moved between different hosts
4283 * and different CPU vendors. */
4284 bool fEnable;
4285 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4286 if (RT_SUCCESS(rc) && fEnable)
4287 {
4288 rc = cpumR3MsrApplyFudge(pVM);
4289 AssertLogRelRC(rc);
4290 }
4291 }
4292 if (RT_SUCCESS(rc))
4293 {
4294 /*
4295 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4296 * guest CPU features again.
4297 */
4298 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4299 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4300 pCpum->GuestInfo.cCpuIdLeaves);
4301 RTMemFree(pvFree);
4302
4303 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4304 int rc2 = MMHyperDupMem(pVM, pvFree,
4305 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4306 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4307 RTMemFree(pvFree);
4308 AssertLogRelRCReturn(rc1, rc1);
4309 AssertLogRelRCReturn(rc2, rc2);
4310
4311 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4312 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4313
4314
4315 /*
4316 * Some more configuration that we're applying at the end of everything
4317 * via the CPUMSetGuestCpuIdFeature API.
4318 */
4319
4320 /* Check if PAE was explicitely enabled by the user. */
4321 bool fEnable;
4322 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4323 AssertRCReturn(rc, rc);
4324 if (fEnable)
4325 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4326
4327 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4328 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4329 AssertRCReturn(rc, rc);
4330 if (fEnable)
4331 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4332
4333 /* Check if speculation control is enabled. */
4334 rc = CFGMR3QueryBoolDef(pCpumCfg, "SpecCtrl", &fEnable, false);
4335 AssertRCReturn(rc, rc);
4336 if (fEnable)
4337 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SPEC_CTRL);
4338
4339 return VINF_SUCCESS;
4340 }
4341
4342 /*
4343 * Failed before switching to hyper heap.
4344 */
4345 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4346 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4347 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4348 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4349 return rc;
4350}
4351
4352
4353/**
4354 * Sets a CPUID feature bit during VM initialization.
4355 *
4356 * Since the CPUID feature bits are generally related to CPU features, other
4357 * CPUM configuration like MSRs can also be modified by calls to this API.
4358 *
4359 * @param pVM The cross context VM structure.
4360 * @param enmFeature The feature to set.
4361 */
4362VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4363{
4364 PCPUMCPUIDLEAF pLeaf;
4365 PCPUMMSRRANGE pMsrRange;
4366
4367 switch (enmFeature)
4368 {
4369 /*
4370 * Set the APIC bit in both feature masks.
4371 */
4372 case CPUMCPUIDFEATURE_APIC:
4373 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4374 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4375 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4376
4377 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4378 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4379 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4380
4381 pVM->cpum.s.GuestFeatures.fApic = 1;
4382
4383 /* Make sure we've got the APICBASE MSR present. */
4384 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4385 if (!pMsrRange)
4386 {
4387 static CPUMMSRRANGE const s_ApicBase =
4388 {
4389 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4390 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4391 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4392 /*.szName = */ "IA32_APIC_BASE"
4393 };
4394 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4395 AssertLogRelRC(rc);
4396 }
4397
4398 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4399 break;
4400
4401 /*
4402 * Set the x2APIC bit in the standard feature mask.
4403 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4404 */
4405 case CPUMCPUIDFEATURE_X2APIC:
4406 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4407 if (pLeaf)
4408 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4409 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4410
4411 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4412 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4413 if (pMsrRange)
4414 {
4415 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4416 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4417 }
4418
4419 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4420 break;
4421
4422 /*
4423 * Set the sysenter/sysexit bit in the standard feature mask.
4424 * Assumes the caller knows what it's doing! (host must support these)
4425 */
4426 case CPUMCPUIDFEATURE_SEP:
4427 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4428 {
4429 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4430 return;
4431 }
4432
4433 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4434 if (pLeaf)
4435 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4436 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4437 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4438 break;
4439
4440 /*
4441 * Set the syscall/sysret bit in the extended feature mask.
4442 * Assumes the caller knows what it's doing! (host must support these)
4443 */
4444 case CPUMCPUIDFEATURE_SYSCALL:
4445 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4446 if ( !pLeaf
4447 || !pVM->cpum.s.HostFeatures.fSysCall)
4448 {
4449#if HC_ARCH_BITS == 32
4450 /* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4451 mode by Intel, even when the cpu is capable of doing so in
4452 64-bit mode. Long mode requires syscall support. */
4453 if (!pVM->cpum.s.HostFeatures.fLongMode)
4454#endif
4455 {
4456 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4457 return;
4458 }
4459 }
4460
4461 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4462 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4463 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4464 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4465 break;
4466
4467 /*
4468 * Set the PAE bit in both feature masks.
4469 * Assumes the caller knows what it's doing! (host must support these)
4470 */
4471 case CPUMCPUIDFEATURE_PAE:
4472 if (!pVM->cpum.s.HostFeatures.fPae)
4473 {
4474 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4475 return;
4476 }
4477
4478 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4479 if (pLeaf)
4480 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4481
4482 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4483 if ( pLeaf
4484 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4485 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4486
4487 pVM->cpum.s.GuestFeatures.fPae = 1;
4488 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4489 break;
4490
4491 /*
4492 * Set the LONG MODE bit in the extended feature mask.
4493 * Assumes the caller knows what it's doing! (host must support these)
4494 */
4495 case CPUMCPUIDFEATURE_LONG_MODE:
4496 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4497 if ( !pLeaf
4498 || !pVM->cpum.s.HostFeatures.fLongMode)
4499 {
4500 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4501 return;
4502 }
4503
4504 /* Valid for both Intel and AMD. */
4505 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4506 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4507 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4508 break;
4509
4510 /*
4511 * Set the NX/XD bit in the extended feature mask.
4512 * Assumes the caller knows what it's doing! (host must support these)
4513 */
4514 case CPUMCPUIDFEATURE_NX:
4515 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4516 if ( !pLeaf
4517 || !pVM->cpum.s.HostFeatures.fNoExecute)
4518 {
4519 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4520 return;
4521 }
4522
4523 /* Valid for both Intel and AMD. */
4524 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4525 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4526 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4527 break;
4528
4529
4530 /*
4531 * Set the LAHF/SAHF support in 64-bit mode.
4532 * Assumes the caller knows what it's doing! (host must support this)
4533 */
4534 case CPUMCPUIDFEATURE_LAHF:
4535 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4536 if ( !pLeaf
4537 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4538 {
4539 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4540 return;
4541 }
4542
4543 /* Valid for both Intel and AMD. */
4544 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4545 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4546 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4547 break;
4548
4549 /*
4550 * Set the page attribute table bit. This is alternative page level
4551 * cache control that doesn't much matter when everything is
4552 * virtualized, though it may when passing thru device memory.
4553 */
4554 case CPUMCPUIDFEATURE_PAT:
4555 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4556 if (pLeaf)
4557 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4558
4559 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4560 if ( pLeaf
4561 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4562 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4563
4564 pVM->cpum.s.GuestFeatures.fPat = 1;
4565 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4566 break;
4567
4568 /*
4569 * Set the RDTSCP support bit.
4570 * Assumes the caller knows what it's doing! (host must support this)
4571 */
4572 case CPUMCPUIDFEATURE_RDTSCP:
4573 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4574 if ( !pLeaf
4575 || !pVM->cpum.s.HostFeatures.fRdTscP
4576 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4577 {
4578 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4579 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4580 return;
4581 }
4582
4583 /* Valid for both Intel and AMD. */
4584 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4585 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4586 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4587 break;
4588
4589 /*
4590 * Set the Hypervisor Present bit in the standard feature mask.
4591 */
4592 case CPUMCPUIDFEATURE_HVP:
4593 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4594 if (pLeaf)
4595 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4596 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4597 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4598 break;
4599
4600 /*
4601 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4602 * This currently includes the Present bit and MWAITBREAK bit as well.
4603 */
4604 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4605 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4606 if ( !pLeaf
4607 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4608 {
4609 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4610 return;
4611 }
4612
4613 /* Valid for both Intel and AMD. */
4614 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4615 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4616 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4617 break;
4618
4619 /*
4620 * Set up the speculation control CPUID bits and MSRs. This is quite complicated
4621 * on Intel CPUs, and different on AMDs.
4622 */
4623 case CPUMCPUIDFEATURE_SPEC_CTRL:
4624 if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
4625 {
4626 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4627 if ( !pLeaf
4628 || !(pVM->cpum.s.HostFeatures.fIbpb || pVM->cpum.s.HostFeatures.fIbrs))
4629 {
4630 LogRel(("CPUM: WARNING! Can't turn on Speculation Control when the host doesn't support it!\n"));
4631 return;
4632 }
4633
4634 /* The feature can be enabled. Let's see what we can actually do. */
4635 pVM->cpum.s.GuestFeatures.fSpeculationControl = 1;
4636
4637 /* We will only expose STIBP if IBRS is present to keep things simpler (simple is not an option). */
4638 if (pVM->cpum.s.HostFeatures.fIbrs)
4639 {
4640 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB;
4641 pVM->cpum.s.GuestFeatures.fIbrs = 1;
4642 if (pVM->cpum.s.HostFeatures.fStibp)
4643 {
4644 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_STIBP;
4645 pVM->cpum.s.GuestFeatures.fStibp = 1;
4646 }
4647
4648 /* Make sure we have the speculation control MSR... */
4649 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_SPEC_CTRL);
4650 if (!pMsrRange)
4651 {
4652 static CPUMMSRRANGE const s_SpecCtrl =
4653 {
4654 /*.uFirst =*/ MSR_IA32_SPEC_CTRL, /*.uLast =*/ MSR_IA32_SPEC_CTRL,
4655 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32SpecCtrl, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32SpecCtrl,
4656 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4657 /*.szName = */ "IA32_SPEC_CTRL"
4658 };
4659 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4660 AssertLogRelRC(rc);
4661 }
4662
4663 /* ... and the predictor command MSR. */
4664 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_PRED_CMD);
4665 if (!pMsrRange)
4666 {
4667 static CPUMMSRRANGE const s_SpecCtrl =
4668 {
4669 /*.uFirst =*/ MSR_IA32_PRED_CMD, /*.uLast =*/ MSR_IA32_PRED_CMD,
4670 /*.enmRdFn =*/ kCpumMsrRdFn_WriteOnly, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32PredCmd,
4671 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4672 /*.szName = */ "IA32_PRED_CMD"
4673 };
4674 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4675 AssertLogRelRC(rc);
4676 }
4677
4678 }
4679
4680 if (pVM->cpum.s.HostFeatures.fArchCap) {
4681 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP;
4682
4683 /* Install the architectural capabilities MSR. */
4684 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_ARCH_CAPABILITIES);
4685 if (!pMsrRange)
4686 {
4687 static CPUMMSRRANGE const s_ArchCaps =
4688 {
4689 /*.uFirst =*/ MSR_IA32_ARCH_CAPABILITIES, /*.uLast =*/ MSR_IA32_ARCH_CAPABILITIES,
4690 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ArchCapabilities, /*.enmWrFn =*/ kCpumMsrWrFn_ReadOnly,
4691 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ UINT64_MAX,
4692 /*.szName = */ "IA32_ARCH_CAPABILITIES"
4693 };
4694 int rc = CPUMR3MsrRangesInsert(pVM, &s_ArchCaps);
4695 AssertLogRelRC(rc);
4696 }
4697 }
4698
4699 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Speculation Control.\n"));
4700 }
4701 else if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4702 {
4703 /* The precise details of AMD's implementation are not yet clear. */
4704 }
4705 break;
4706
4707 default:
4708 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4709 break;
4710 }
4711
4712 /** @todo can probably kill this as this API is now init time only... */
4713 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4714 {
4715 PVMCPU pVCpu = &pVM->aCpus[i];
4716 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4717 }
4718}
4719
4720
4721/**
4722 * Queries a CPUID feature bit.
4723 *
4724 * @returns boolean for feature presence
4725 * @param pVM The cross context VM structure.
4726 * @param enmFeature The feature to query.
4727 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4728 */
4729VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4730{
4731 switch (enmFeature)
4732 {
4733 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4734 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4735 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4736 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4737 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4738 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4739 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4740 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4741 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4742 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4743 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4744 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4745 case CPUMCPUIDFEATURE_SPEC_CTRL: return pVM->cpum.s.GuestFeatures.fSpeculationControl;
4746
4747 case CPUMCPUIDFEATURE_INVALID:
4748 case CPUMCPUIDFEATURE_32BIT_HACK:
4749 break;
4750 }
4751 AssertFailed();
4752 return false;
4753}
4754
4755
4756/**
4757 * Clears a CPUID feature bit.
4758 *
4759 * @param pVM The cross context VM structure.
4760 * @param enmFeature The feature to clear.
4761 *
4762 * @deprecated Probably better to default the feature to disabled and only allow
4763 * setting (enabling) it during construction.
4764 */
4765VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4766{
4767 PCPUMCPUIDLEAF pLeaf;
4768 switch (enmFeature)
4769 {
4770 case CPUMCPUIDFEATURE_APIC:
4771 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4772 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4773 if (pLeaf)
4774 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4775
4776 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4777 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4778 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4779
4780 pVM->cpum.s.GuestFeatures.fApic = 0;
4781 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4782 break;
4783
4784 case CPUMCPUIDFEATURE_X2APIC:
4785 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4786 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4787 if (pLeaf)
4788 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4789 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4790 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4791 break;
4792
4793 case CPUMCPUIDFEATURE_PAE:
4794 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4795 if (pLeaf)
4796 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4797
4798 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4799 if ( pLeaf
4800 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4801 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4802
4803 pVM->cpum.s.GuestFeatures.fPae = 0;
4804 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4805 break;
4806
4807 case CPUMCPUIDFEATURE_PAT:
4808 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4809 if (pLeaf)
4810 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4811
4812 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4813 if ( pLeaf
4814 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4815 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4816
4817 pVM->cpum.s.GuestFeatures.fPat = 0;
4818 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4819 break;
4820
4821 case CPUMCPUIDFEATURE_LONG_MODE:
4822 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4823 if (pLeaf)
4824 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4825 pVM->cpum.s.GuestFeatures.fLongMode = 0;
4826 break;
4827
4828 case CPUMCPUIDFEATURE_LAHF:
4829 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4830 if (pLeaf)
4831 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4832 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4833 break;
4834
4835 case CPUMCPUIDFEATURE_RDTSCP:
4836 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4837 if (pLeaf)
4838 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4839 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4840 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4841 break;
4842
4843 case CPUMCPUIDFEATURE_HVP:
4844 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4845 if (pLeaf)
4846 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4847 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4848 break;
4849
4850 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4851 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4852 if (pLeaf)
4853 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4854 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4855 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4856 break;
4857
4858 case CPUMCPUIDFEATURE_SPEC_CTRL:
4859 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4860 if (pLeaf)
4861 /*pVM->cpum.s.aGuestCpuIdPatmStd[7].uEdx =*/ pLeaf->uEdx &= ~(X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB | X86_CPUID_STEXT_FEATURE_EDX_STIBP | X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
4862 pVM->cpum.s.GuestFeatures.fSpeculationControl = 0;
4863 Log(("CPUM: ClearGuestCpuIdFeature: Disabled speculation control!\n"));
4864 break;
4865
4866 default:
4867 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4868 break;
4869 }
4870
4871 for (VMCPUID i = 0; i < pVM->cCpus; i++)
4872 {
4873 PVMCPU pVCpu = &pVM->aCpus[i];
4874 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4875 }
4876}
4877
4878
4879
4880/*
4881 *
4882 *
4883 * Saved state related code.
4884 * Saved state related code.
4885 * Saved state related code.
4886 *
4887 *
4888 */
4889
4890/**
4891 * Called both in pass 0 and the final pass.
4892 *
4893 * @param pVM The cross context VM structure.
4894 * @param pSSM The saved state handle.
4895 */
4896void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4897{
4898 /*
4899 * Save all the CPU ID leaves.
4900 */
4901 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4902 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4903 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4904 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4905
4906 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4907
4908 /*
4909 * Save a good portion of the raw CPU IDs as well as they may come in
4910 * handy when validating features for raw mode.
4911 */
4912 CPUMCPUID aRawStd[16];
4913 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4914 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4915 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4916 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4917
4918 CPUMCPUID aRawExt[32];
4919 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4920 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4921 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4922 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4923}
4924
4925
4926static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4927{
4928 uint32_t cCpuIds;
4929 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4930 if (RT_SUCCESS(rc))
4931 {
4932 if (cCpuIds < 64)
4933 {
4934 for (uint32_t i = 0; i < cCpuIds; i++)
4935 {
4936 CPUMCPUID CpuId;
4937 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4938 if (RT_FAILURE(rc))
4939 break;
4940
4941 CPUMCPUIDLEAF NewLeaf;
4942 NewLeaf.uLeaf = uBase + i;
4943 NewLeaf.uSubLeaf = 0;
4944 NewLeaf.fSubLeafMask = 0;
4945 NewLeaf.uEax = CpuId.uEax;
4946 NewLeaf.uEbx = CpuId.uEbx;
4947 NewLeaf.uEcx = CpuId.uEcx;
4948 NewLeaf.uEdx = CpuId.uEdx;
4949 NewLeaf.fFlags = 0;
4950 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4951 }
4952 }
4953 else
4954 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4955 }
4956 if (RT_FAILURE(rc))
4957 {
4958 RTMemFree(*ppaLeaves);
4959 *ppaLeaves = NULL;
4960 *pcLeaves = 0;
4961 }
4962 return rc;
4963}
4964
4965
4966static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4967{
4968 *ppaLeaves = NULL;
4969 *pcLeaves = 0;
4970
4971 int rc;
4972 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4973 {
4974 /*
4975 * The new format. Starts by declaring the leave size and count.
4976 */
4977 uint32_t cbLeaf;
4978 SSMR3GetU32(pSSM, &cbLeaf);
4979 uint32_t cLeaves;
4980 rc = SSMR3GetU32(pSSM, &cLeaves);
4981 if (RT_SUCCESS(rc))
4982 {
4983 if (cbLeaf == sizeof(**ppaLeaves))
4984 {
4985 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4986 {
4987 /*
4988 * Load the leaves one by one.
4989 *
4990 * The uPrev stuff is a kludge for working around a week worth of bad saved
4991 * states during the CPUID revamp in March 2015. We saved too many leaves
4992 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4993 * garbage entires at the end of the array when restoring. We also had
4994 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4995 * this kludge doesn't deal correctly with that, but who cares...
4996 */
4997 uint32_t uPrev = 0;
4998 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4999 {
5000 CPUMCPUIDLEAF Leaf;
5001 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
5002 if (RT_SUCCESS(rc))
5003 {
5004 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
5005 || Leaf.uLeaf >= uPrev)
5006 {
5007 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5008 uPrev = Leaf.uLeaf;
5009 }
5010 else
5011 uPrev = UINT32_MAX;
5012 }
5013 }
5014 }
5015 else
5016 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
5017 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
5018 }
5019 else
5020 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
5021 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
5022 }
5023 }
5024 else
5025 {
5026 /*
5027 * The old format with its three inflexible arrays.
5028 */
5029 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
5030 if (RT_SUCCESS(rc))
5031 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
5032 if (RT_SUCCESS(rc))
5033 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
5034 if (RT_SUCCESS(rc))
5035 {
5036 /*
5037 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
5038 */
5039 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
5040 if ( pLeaf
5041 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
5042 {
5043 CPUMCPUIDLEAF Leaf;
5044 Leaf.uLeaf = 4;
5045 Leaf.fSubLeafMask = UINT32_MAX;
5046 Leaf.uSubLeaf = 0;
5047 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
5048 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
5049 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
5050 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
5051 | UINT32_C(63); /* system coherency line size - 1 */
5052 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
5053 | (UINT32_C(0) << 14) /* threads per cache - 1 */
5054 | (UINT32_C(1) << 5) /* cache level */
5055 | UINT32_C(1); /* cache type (data) */
5056 Leaf.fFlags = 0;
5057 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5058 if (RT_SUCCESS(rc))
5059 {
5060 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
5061 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5062 }
5063 if (RT_SUCCESS(rc))
5064 {
5065 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
5066 Leaf.uEcx = 4095; /* sets - 1 */
5067 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
5068 Leaf.uEbx |= UINT32_C(23) << 22;
5069 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
5070 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
5071 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
5072 Leaf.uEax |= UINT32_C(2) << 5;
5073 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5074 }
5075 }
5076 }
5077 }
5078 return rc;
5079}
5080
5081
5082/**
5083 * Loads the CPU ID leaves saved by pass 0, inner worker.
5084 *
5085 * @returns VBox status code.
5086 * @param pVM The cross context VM structure.
5087 * @param pSSM The saved state handle.
5088 * @param uVersion The format version.
5089 * @param paLeaves Guest CPUID leaves loaded from the state.
5090 * @param cLeaves The number of leaves in @a paLeaves.
5091 */
5092int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
5093{
5094 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5095
5096 /*
5097 * Continue loading the state into stack buffers.
5098 */
5099 CPUMCPUID GuestDefCpuId;
5100 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
5101 AssertRCReturn(rc, rc);
5102
5103 CPUMCPUID aRawStd[16];
5104 uint32_t cRawStd;
5105 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
5106 if (cRawStd > RT_ELEMENTS(aRawStd))
5107 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5108 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
5109 AssertRCReturn(rc, rc);
5110 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
5111 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5112
5113 CPUMCPUID aRawExt[32];
5114 uint32_t cRawExt;
5115 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
5116 if (cRawExt > RT_ELEMENTS(aRawExt))
5117 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5118 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
5119 AssertRCReturn(rc, rc);
5120 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
5121 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5122
5123 /*
5124 * Get the raw CPU IDs for the current host.
5125 */
5126 CPUMCPUID aHostRawStd[16];
5127 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5128 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5129
5130 CPUMCPUID aHostRawExt[32];
5131 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5132 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5133 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5134
5135 /*
5136 * Get the host and guest overrides so we don't reject the state because
5137 * some feature was enabled thru these interfaces.
5138 * Note! We currently only need the feature leaves, so skip rest.
5139 */
5140 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5141 CPUMCPUID aHostOverrideStd[2];
5142 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5143 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5144
5145 CPUMCPUID aHostOverrideExt[2];
5146 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5147 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5148
5149 /*
5150 * This can be skipped.
5151 */
5152 bool fStrictCpuIdChecks;
5153 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5154
5155 /*
5156 * Define a bunch of macros for simplifying the santizing/checking code below.
5157 */
5158 /* Generic expression + failure message. */
5159#define CPUID_CHECK_RET(expr, fmt) \
5160 do { \
5161 if (!(expr)) \
5162 { \
5163 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5164 if (fStrictCpuIdChecks) \
5165 { \
5166 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5167 RTStrFree(pszMsg); \
5168 return rcCpuid; \
5169 } \
5170 LogRel(("CPUM: %s\n", pszMsg)); \
5171 RTStrFree(pszMsg); \
5172 } \
5173 } while (0)
5174#define CPUID_CHECK_WRN(expr, fmt) \
5175 do { \
5176 if (!(expr)) \
5177 LogRel(fmt); \
5178 } while (0)
5179
5180 /* For comparing two values and bitch if they differs. */
5181#define CPUID_CHECK2_RET(what, host, saved) \
5182 do { \
5183 if ((host) != (saved)) \
5184 { \
5185 if (fStrictCpuIdChecks) \
5186 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5187 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5188 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5189 } \
5190 } while (0)
5191#define CPUID_CHECK2_WRN(what, host, saved) \
5192 do { \
5193 if ((host) != (saved)) \
5194 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5195 } while (0)
5196
5197 /* For checking raw cpu features (raw mode). */
5198#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5199 do { \
5200 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5201 { \
5202 if (fStrictCpuIdChecks) \
5203 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5204 N_(#bit " mismatch: host=%d saved=%d"), \
5205 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5206 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5207 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5208 } \
5209 } while (0)
5210#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5211 do { \
5212 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5213 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5214 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5215 } while (0)
5216#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5217
5218 /* For checking guest features. */
5219#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5220 do { \
5221 if ( (aGuestCpuId##set [1].reg & bit) \
5222 && !(aHostRaw##set [1].reg & bit) \
5223 && !(aHostOverride##set [1].reg & bit) \
5224 ) \
5225 { \
5226 if (fStrictCpuIdChecks) \
5227 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5228 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5229 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5230 } \
5231 } while (0)
5232#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5233 do { \
5234 if ( (aGuestCpuId##set [1].reg & bit) \
5235 && !(aHostRaw##set [1].reg & bit) \
5236 && !(aHostOverride##set [1].reg & bit) \
5237 ) \
5238 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5239 } while (0)
5240#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5241 do { \
5242 if ( (aGuestCpuId##set [1].reg & bit) \
5243 && !(aHostRaw##set [1].reg & bit) \
5244 && !(aHostOverride##set [1].reg & bit) \
5245 ) \
5246 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5247 } while (0)
5248#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5249
5250 /* For checking guest features if AMD guest CPU. */
5251#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5252 do { \
5253 if ( (aGuestCpuId##set [1].reg & bit) \
5254 && fGuestAmd \
5255 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5256 && !(aHostOverride##set [1].reg & bit) \
5257 ) \
5258 { \
5259 if (fStrictCpuIdChecks) \
5260 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5261 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5262 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5263 } \
5264 } while (0)
5265#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5266 do { \
5267 if ( (aGuestCpuId##set [1].reg & bit) \
5268 && fGuestAmd \
5269 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5270 && !(aHostOverride##set [1].reg & bit) \
5271 ) \
5272 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5273 } while (0)
5274#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5275 do { \
5276 if ( (aGuestCpuId##set [1].reg & bit) \
5277 && fGuestAmd \
5278 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5279 && !(aHostOverride##set [1].reg & bit) \
5280 ) \
5281 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5282 } while (0)
5283#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5284
5285 /* For checking AMD features which have a corresponding bit in the standard
5286 range. (Intel defines very few bits in the extended feature sets.) */
5287#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5288 do { \
5289 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5290 && !(fHostAmd \
5291 ? aHostRawExt[1].reg & (ExtBit) \
5292 : aHostRawStd[1].reg & (StdBit)) \
5293 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5294 ) \
5295 { \
5296 if (fStrictCpuIdChecks) \
5297 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5298 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5299 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5300 } \
5301 } while (0)
5302#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5303 do { \
5304 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5305 && !(fHostAmd \
5306 ? aHostRawExt[1].reg & (ExtBit) \
5307 : aHostRawStd[1].reg & (StdBit)) \
5308 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5309 ) \
5310 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5311 } while (0)
5312#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5313 do { \
5314 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5315 && !(fHostAmd \
5316 ? aHostRawExt[1].reg & (ExtBit) \
5317 : aHostRawStd[1].reg & (StdBit)) \
5318 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5319 ) \
5320 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5321 } while (0)
5322#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5323
5324 /*
5325 * For raw-mode we'll require that the CPUs are very similar since we don't
5326 * intercept CPUID instructions for user mode applications.
5327 */
5328 if (VM_IS_RAW_MODE_ENABLED(pVM))
5329 {
5330 /* CPUID(0) */
5331 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5332 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
5333 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5334 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5335 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5336 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5337 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5338 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5339 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5340
5341 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5342
5343 /* CPUID(1).eax */
5344 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5345 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5346 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5347
5348 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5349 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5350 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5351
5352 /* CPUID(1).ecx */
5353 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5354 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5355 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5356 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5357 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5358 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5359 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5360 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5361 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5362 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5363 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5364 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
5365 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5366 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5367 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5368 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5369 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5370 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5371 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5372 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5373 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5374 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5375 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5376 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5377 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5378 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5379 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5380 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5381 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5382 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5383 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5384 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5385
5386 /* CPUID(1).edx */
5387 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5388 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5389 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5390 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5391 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5392 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5393 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5394 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5395 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5396 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5397 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5398 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5399 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5400 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5401 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5402 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5403 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5404 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5405 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5406 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5407 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5408 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5409 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5410 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5411 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5412 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5413 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5414 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5415 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5416 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5417 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
5418 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5419
5420 /* CPUID(2) - config, mostly about caches. ignore. */
5421 /* CPUID(3) - processor serial number. ignore. */
5422 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5423 /* CPUID(5) - mwait/monitor config. ignore. */
5424 /* CPUID(6) - power management. ignore. */
5425 /* CPUID(7) - ???. ignore. */
5426 /* CPUID(8) - ???. ignore. */
5427 /* CPUID(9) - DCA. ignore for now. */
5428 /* CPUID(a) - PeMo info. ignore for now. */
5429 /* CPUID(b) - topology info - takes ECX as input. ignore. */
5430
5431 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5432 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5433 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5434 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5435 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5436 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5437 {
5438 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5439 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5440 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5441/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5442 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5443 }
5444
5445 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
5446 Note! Intel have/is marking many of the fields here as reserved. We
5447 will verify them as if it's an AMD CPU. */
5448 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5449 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5450 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5451 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5452 {
5453 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5454 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
5455 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5456 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5457 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5458 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5459 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5460
5461 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5462 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5463 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5464 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5465 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5466 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5467
5468 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5469 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5470 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5471 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5472
5473 /* CPUID(0x80000001).ecx */
5474 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5475 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5476 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5477 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5478 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5479 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5480 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5481 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5482 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5483 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5484 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5485 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5486 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5487 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5488 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5489 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5490 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5491 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5492 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5493 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5494 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5495 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5496 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5497 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5498 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5499 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5500 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5501 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5502 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5503 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5504 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5505 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5506
5507 /* CPUID(0x80000001).edx */
5508 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5509 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5510 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5511 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5512 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5513 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5514 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5515 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5516 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5517 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5518 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5519 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5520 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5521 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5522 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5523 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5524 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5525 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5526 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5527 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5528 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5529 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5530 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5531 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5532 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5533 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5534 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5535 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5536 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5537 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5538 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5539 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5540
5541 /** @todo verify the rest as well. */
5542 }
5543 }
5544
5545
5546
5547 /*
5548 * Verify that we can support the features already exposed to the guest on
5549 * this host.
5550 *
5551 * Most of the features we're emulating requires intercepting instruction
5552 * and doing it the slow way, so there is no need to warn when they aren't
5553 * present in the host CPU. Thus we use IGN instead of EMU on these.
5554 *
5555 * Trailing comments:
5556 * "EMU" - Possible to emulate, could be lots of work and very slow.
5557 * "EMU?" - Can this be emulated?
5558 */
5559 CPUMCPUID aGuestCpuIdStd[2];
5560 RT_ZERO(aGuestCpuIdStd);
5561 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5562
5563 /* CPUID(1).ecx */
5564 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5565 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5566 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5567 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5568 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5569 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5570 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5571 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5572 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5573 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5574 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5575 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5576 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5577 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5578 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5579 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5580 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5581 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5582 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5583 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5584 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5585 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5586 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5587 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5588 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5589 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5590 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5591 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5592 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5593 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5594 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5595 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5596
5597 /* CPUID(1).edx */
5598 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5599 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5600 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5601 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5602 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5603 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5604 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5605 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5606 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5607 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5608 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5609 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5610 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5611 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5612 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5613 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5614 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5615 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5616 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5617 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5618 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5619 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5620 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5621 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5622 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5623 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5624 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5625 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5626 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5627 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5628 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5629 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5630
5631 /* CPUID(0x80000000). */
5632 CPUMCPUID aGuestCpuIdExt[2];
5633 RT_ZERO(aGuestCpuIdExt);
5634 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5635 {
5636 /** @todo deal with no 0x80000001 on the host. */
5637 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5638 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5639
5640 /* CPUID(0x80000001).ecx */
5641 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5642 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5643 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5644 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5645 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5646 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5647 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5648 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5649 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5650 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5651 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5652 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5653 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5654 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5655 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5656 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5657 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5658 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5659 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5660 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5661 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5662 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5663 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5664 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5665 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5666 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5667 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5668 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5669 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5670 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5671 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5672 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5673
5674 /* CPUID(0x80000001).edx */
5675 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5676 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5677 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5678 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5679 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5680 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5681 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5682 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5683 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5684 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5685 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5686 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5687 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5688 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5689 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5690 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5691 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5692 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5693 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5694 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5695 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5696 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5697 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5698 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5699 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5700 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5701 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5702 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5703 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5704 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5705 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5706 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5707 }
5708
5709 /** @todo check leaf 7 */
5710
5711 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5712 * ECX=0: EAX - Valid bits in XCR0[31:0].
5713 * EBX - Maximum state size as per current XCR0 value.
5714 * ECX - Maximum state size for all supported features.
5715 * EDX - Valid bits in XCR0[63:32].
5716 * ECX=1: EAX - Various X-features.
5717 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5718 * ECX - Valid bits in IA32_XSS[31:0].
5719 * EDX - Valid bits in IA32_XSS[63:32].
5720 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5721 * if the bit invalid all four registers are set to zero.
5722 * EAX - The state size for this feature.
5723 * EBX - The state byte offset of this feature.
5724 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5725 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5726 */
5727 uint64_t fGuestXcr0Mask = 0;
5728 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5729 if ( pCurLeaf
5730 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5731 && ( pCurLeaf->uEax
5732 || pCurLeaf->uEbx
5733 || pCurLeaf->uEcx
5734 || pCurLeaf->uEdx) )
5735 {
5736 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5737 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5738 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5739 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5740 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5741 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5742 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5743 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5744
5745 /* We don't support any additional features yet. */
5746 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5747 if (pCurLeaf && pCurLeaf->uEax)
5748 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5749 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5750 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5751 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5752 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5753 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5754
5755
5756 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5757 {
5758 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5759 if (pCurLeaf)
5760 {
5761 /* If advertised, the state component offset and size must match the one used by host. */
5762 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5763 {
5764 CPUMCPUID RawHost;
5765 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5766 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5767 if ( RawHost.uEbx != pCurLeaf->uEbx
5768 || RawHost.uEax != pCurLeaf->uEax)
5769 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5770 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5771 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5772 }
5773 }
5774 }
5775 }
5776 /* Clear leaf 0xd just in case we're loading an old state... */
5777 else if (pCurLeaf)
5778 {
5779 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5780 {
5781 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5782 if (pCurLeaf)
5783 {
5784 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5785 || ( pCurLeaf->uEax == 0
5786 && pCurLeaf->uEbx == 0
5787 && pCurLeaf->uEcx == 0
5788 && pCurLeaf->uEdx == 0),
5789 ("uVersion=%#x; %#x %#x %#x %#x\n",
5790 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5791 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5792 }
5793 }
5794 }
5795
5796 /* Update the fXStateGuestMask value for the VM. */
5797 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5798 {
5799 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5800 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5801 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5802 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5803 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5804 }
5805
5806#undef CPUID_CHECK_RET
5807#undef CPUID_CHECK_WRN
5808#undef CPUID_CHECK2_RET
5809#undef CPUID_CHECK2_WRN
5810#undef CPUID_RAW_FEATURE_RET
5811#undef CPUID_RAW_FEATURE_WRN
5812#undef CPUID_RAW_FEATURE_IGN
5813#undef CPUID_GST_FEATURE_RET
5814#undef CPUID_GST_FEATURE_WRN
5815#undef CPUID_GST_FEATURE_EMU
5816#undef CPUID_GST_FEATURE_IGN
5817#undef CPUID_GST_FEATURE2_RET
5818#undef CPUID_GST_FEATURE2_WRN
5819#undef CPUID_GST_FEATURE2_EMU
5820#undef CPUID_GST_FEATURE2_IGN
5821#undef CPUID_GST_AMD_FEATURE_RET
5822#undef CPUID_GST_AMD_FEATURE_WRN
5823#undef CPUID_GST_AMD_FEATURE_EMU
5824#undef CPUID_GST_AMD_FEATURE_IGN
5825
5826 /*
5827 * We're good, commit the CPU ID leaves.
5828 */
5829 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5830 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5831 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5832 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5833 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5834 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5835 AssertLogRelRCReturn(rc, rc);
5836
5837 return VINF_SUCCESS;
5838}
5839
5840
5841/**
5842 * Loads the CPU ID leaves saved by pass 0.
5843 *
5844 * @returns VBox status code.
5845 * @param pVM The cross context VM structure.
5846 * @param pSSM The saved state handle.
5847 * @param uVersion The format version.
5848 */
5849int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5850{
5851 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5852
5853 /*
5854 * Load the CPUID leaves array first and call worker to do the rest, just so
5855 * we can free the memory when we need to without ending up in column 1000.
5856 */
5857 PCPUMCPUIDLEAF paLeaves;
5858 uint32_t cLeaves;
5859 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5860 AssertRC(rc);
5861 if (RT_SUCCESS(rc))
5862 {
5863 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5864 RTMemFree(paLeaves);
5865 }
5866 return rc;
5867}
5868
5869
5870
5871/**
5872 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5873 *
5874 * @returns VBox status code.
5875 * @param pVM The cross context VM structure.
5876 * @param pSSM The saved state handle.
5877 * @param uVersion The format version.
5878 */
5879int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5880{
5881 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5882
5883 /*
5884 * Restore the CPUID leaves.
5885 *
5886 * Note that we support restoring less than the current amount of standard
5887 * leaves because we've been allowed more is newer version of VBox.
5888 */
5889 uint32_t cElements;
5890 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5891 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5892 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5893 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5894
5895 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5896 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5897 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5898 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5899
5900 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5901 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5902 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5903 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5904
5905 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5906
5907 /*
5908 * Check that the basic cpuid id information is unchanged.
5909 */
5910 /** @todo we should check the 64 bits capabilities too! */
5911 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5912 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5913 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5914 uint32_t au32CpuIdSaved[8];
5915 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5916 if (RT_SUCCESS(rc))
5917 {
5918 /* Ignore CPU stepping. */
5919 au32CpuId[4] &= 0xfffffff0;
5920 au32CpuIdSaved[4] &= 0xfffffff0;
5921
5922 /* Ignore APIC ID (AMD specs). */
5923 au32CpuId[5] &= ~0xff000000;
5924 au32CpuIdSaved[5] &= ~0xff000000;
5925
5926 /* Ignore the number of Logical CPUs (AMD specs). */
5927 au32CpuId[5] &= ~0x00ff0000;
5928 au32CpuIdSaved[5] &= ~0x00ff0000;
5929
5930 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5931 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5932 | X86_CPUID_FEATURE_ECX_VMX
5933 | X86_CPUID_FEATURE_ECX_SMX
5934 | X86_CPUID_FEATURE_ECX_EST
5935 | X86_CPUID_FEATURE_ECX_TM2
5936 | X86_CPUID_FEATURE_ECX_CNTXID
5937 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5938 | X86_CPUID_FEATURE_ECX_PDCM
5939 | X86_CPUID_FEATURE_ECX_DCA
5940 | X86_CPUID_FEATURE_ECX_X2APIC
5941 );
5942 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5943 | X86_CPUID_FEATURE_ECX_VMX
5944 | X86_CPUID_FEATURE_ECX_SMX
5945 | X86_CPUID_FEATURE_ECX_EST
5946 | X86_CPUID_FEATURE_ECX_TM2
5947 | X86_CPUID_FEATURE_ECX_CNTXID
5948 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5949 | X86_CPUID_FEATURE_ECX_PDCM
5950 | X86_CPUID_FEATURE_ECX_DCA
5951 | X86_CPUID_FEATURE_ECX_X2APIC
5952 );
5953
5954 /* Make sure we don't forget to update the masks when enabling
5955 * features in the future.
5956 */
5957 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5958 ( X86_CPUID_FEATURE_ECX_DTES64
5959 | X86_CPUID_FEATURE_ECX_VMX
5960 | X86_CPUID_FEATURE_ECX_SMX
5961 | X86_CPUID_FEATURE_ECX_EST
5962 | X86_CPUID_FEATURE_ECX_TM2
5963 | X86_CPUID_FEATURE_ECX_CNTXID
5964 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5965 | X86_CPUID_FEATURE_ECX_PDCM
5966 | X86_CPUID_FEATURE_ECX_DCA
5967 | X86_CPUID_FEATURE_ECX_X2APIC
5968 )));
5969 /* do the compare */
5970 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5971 {
5972 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5973 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5974 "Saved=%.*Rhxs\n"
5975 "Real =%.*Rhxs\n",
5976 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5977 sizeof(au32CpuId), au32CpuId));
5978 else
5979 {
5980 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5981 "Saved=%.*Rhxs\n"
5982 "Real =%.*Rhxs\n",
5983 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5984 sizeof(au32CpuId), au32CpuId));
5985 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5986 }
5987 }
5988 }
5989
5990 return rc;
5991}
5992
5993
5994
5995/*
5996 *
5997 *
5998 * CPUID Info Handler.
5999 * CPUID Info Handler.
6000 * CPUID Info Handler.
6001 *
6002 *
6003 */
6004
6005
6006
6007/**
6008 * Get L1 cache / TLS associativity.
6009 */
6010static const char *getCacheAss(unsigned u, char *pszBuf)
6011{
6012 if (u == 0)
6013 return "res0 ";
6014 if (u == 1)
6015 return "direct";
6016 if (u == 255)
6017 return "fully";
6018 if (u >= 256)
6019 return "???";
6020
6021 RTStrPrintf(pszBuf, 16, "%d way", u);
6022 return pszBuf;
6023}
6024
6025
6026/**
6027 * Get L2 cache associativity.
6028 */
6029const char *getL2CacheAss(unsigned u)
6030{
6031 switch (u)
6032 {
6033 case 0: return "off ";
6034 case 1: return "direct";
6035 case 2: return "2 way ";
6036 case 3: return "res3 ";
6037 case 4: return "4 way ";
6038 case 5: return "res5 ";
6039 case 6: return "8 way ";
6040 case 7: return "res7 ";
6041 case 8: return "16 way";
6042 case 9: return "res9 ";
6043 case 10: return "res10 ";
6044 case 11: return "res11 ";
6045 case 12: return "res12 ";
6046 case 13: return "res13 ";
6047 case 14: return "res14 ";
6048 case 15: return "fully ";
6049 default: return "????";
6050 }
6051}
6052
6053
6054/** CPUID(1).EDX field descriptions. */
6055static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
6056{
6057 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6058 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6059 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6060 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6061 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6062 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
6063 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6064 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6065 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6066 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6067 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
6068 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6069 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6070 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6071 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6072 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6073 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6074 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
6075 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
6076 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
6077 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
6078 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6079 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
6080 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
6081 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
6082 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
6083 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
6084 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
6085 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
6086 DBGFREGSUBFIELD_TERMINATOR()
6087};
6088
6089/** CPUID(1).ECX field descriptions. */
6090static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
6091{
6092 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
6093 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
6094 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
6095 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
6096 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
6097 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
6098 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
6099 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
6100 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
6101 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
6102 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
6103 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
6104 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
6105 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
6106 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
6107 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
6108 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
6109 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
6110 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
6111 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
6112 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
6113 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
6114 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
6115 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
6116 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
6117 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
6118 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
6119 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
6120 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
6121 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6122 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6123 DBGFREGSUBFIELD_TERMINATOR()
6124};
6125
6126/** CPUID(7,0).EBX field descriptions. */
6127static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6128{
6129 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6130 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6131 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6132 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6133 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6134 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6135 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6136 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6137 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6138 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6139 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6140 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6141 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6142 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6143 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6144 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6145 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6146 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6147 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6148 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6149 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6150 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6151 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6152 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6153 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6154 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6155 DBGFREGSUBFIELD_TERMINATOR()
6156};
6157
6158/** CPUID(7,0).ECX field descriptions. */
6159static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6160{
6161 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6162 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6163 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6164 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6165 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6166 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6167 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6168 DBGFREGSUBFIELD_TERMINATOR()
6169};
6170
6171/** CPUID(7,0).EDX field descriptions. */
6172static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6173{
6174 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6175 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6176 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6177 DBGFREGSUBFIELD_TERMINATOR()
6178};
6179
6180
6181/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6182static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6183{
6184 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6185 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6186 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6187 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6188 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6189 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6190 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6191 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6192 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6193 DBGFREGSUBFIELD_TERMINATOR()
6194};
6195
6196/** CPUID(13,1).EAX field descriptions. */
6197static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6198{
6199 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6200 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6201 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6202 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6203 DBGFREGSUBFIELD_TERMINATOR()
6204};
6205
6206
6207/** CPUID(0x80000001,0).EDX field descriptions. */
6208static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6209{
6210 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6211 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6212 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6213 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6214 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6215 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6216 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6217 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6218 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6219 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6220 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6221 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6222 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6223 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6224 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6225 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6226 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6227 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6228 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6229 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6230 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6231 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6232 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6233 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6234 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6235 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6236 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6237 DBGFREGSUBFIELD_TERMINATOR()
6238};
6239
6240/** CPUID(0x80000001,0).ECX field descriptions. */
6241static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6242{
6243 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6244 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6245 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6246 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6247 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6248 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6249 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6250 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6251 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6252 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6253 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6254 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6255 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6256 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6257 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6258 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6259 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6260 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6261 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6262 DBGFREGSUBFIELD_RO("PRFEXTCORE\0" "Performance Counter Extensions support", 23, 1, 0),
6263 DBGFREGSUBFIELD_RO("PRFEXTNB\0" "NB Performance Counter Extensions support", 24, 1, 0),
6264 DBGFREGSUBFIELD_RO("DATABPEXT\0" "Data-access Breakpoint Extension", 26, 1, 0),
6265 DBGFREGSUBFIELD_RO("PERFTSC\0" "Performance Time Stamp Counter", 27, 1, 0),
6266 DBGFREGSUBFIELD_TERMINATOR()
6267};
6268
6269/** CPUID(0x8000000a,0).EDX field descriptions. */
6270static DBGFREGSUBFIELD const g_aExtLeafAEdxSubFields[] =
6271{
6272 DBGFREGSUBFIELD_RO("NP\0" "Nested Paging", 0, 1, 0),
6273 DBGFREGSUBFIELD_RO("LbrVirt\0" "Last Branch Record Virtualization", 1, 1, 0),
6274 DBGFREGSUBFIELD_RO("SVML\0" "SVM Lock", 2, 1, 0),
6275 DBGFREGSUBFIELD_RO("NRIPS\0" "NextRIP Save", 3, 1, 0),
6276 DBGFREGSUBFIELD_RO("TscRateMsr\0" "MSR based TSC rate control", 4, 1, 0),
6277 DBGFREGSUBFIELD_RO("VmcbClean\0" "VMCB clean bits", 5, 1, 0),
6278 DBGFREGSUBFIELD_RO("FlushByASID\0" "Flush by ASID", 6, 1, 0),
6279 DBGFREGSUBFIELD_RO("DecodeAssists\0" "Decode Assists", 7, 1, 0),
6280 DBGFREGSUBFIELD_RO("PauseFilter\0" "Pause intercept filter", 10, 1, 0),
6281 DBGFREGSUBFIELD_RO("PauseFilterThreshold\0" "Pause filter threshold", 12, 1, 0),
6282 DBGFREGSUBFIELD_RO("AVIC\0" "Advanced Virtual Interrupt Controller", 13, 1, 0),
6283 DBGFREGSUBFIELD_RO("VMSAVEVirt\0" "VMSAVE and VMLOAD Virtualization", 15, 1, 0),
6284 DBGFREGSUBFIELD_RO("VGIF\0" "Virtual Global-Interrupt Flag", 16, 1, 0),
6285 DBGFREGSUBFIELD_TERMINATOR()
6286};
6287
6288
6289/** CPUID(0x80000007,0).EDX field descriptions. */
6290static DBGFREGSUBFIELD const g_aExtLeaf7EdxSubFields[] =
6291{
6292 DBGFREGSUBFIELD_RO("TS\0" "Temperature Sensor", 0, 1, 0),
6293 DBGFREGSUBFIELD_RO("FID\0" "Frequency ID control", 1, 1, 0),
6294 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6295 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6296 DBGFREGSUBFIELD_RO("TTP\0" "Thermal Trip", 3, 1, 0),
6297 DBGFREGSUBFIELD_RO("TM\0" "Hardware Thermal Control (HTC)", 4, 1, 0),
6298 DBGFREGSUBFIELD_RO("100MHzSteps\0" "100 MHz Multiplier control", 6, 1, 0),
6299 DBGFREGSUBFIELD_RO("HwPstate\0" "Hardware P-state control", 7, 1, 0),
6300 DBGFREGSUBFIELD_RO("TscInvariant\0" "Invariant Time Stamp Counter", 8, 1, 0),
6301 DBGFREGSUBFIELD_RO("CBP\0" "Core Performance Boost", 9, 1, 0),
6302 DBGFREGSUBFIELD_RO("EffFreqRO\0" "Read-only Effective Frequency Interface", 10, 1, 0),
6303 DBGFREGSUBFIELD_RO("ProcFdbkIf\0" "Processor Feedback Interface", 11, 1, 0),
6304 DBGFREGSUBFIELD_RO("ProcPwrRep\0" "Core power reporting interface support", 12, 1, 0),
6305 DBGFREGSUBFIELD_TERMINATOR()
6306};
6307
6308/** CPUID(0x80000008,0).EBX field descriptions. */
6309static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6310{
6311 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6312 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6313 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6314 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6315 DBGFREGSUBFIELD_TERMINATOR()
6316};
6317
6318
6319static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6320 const char *pszLeadIn, uint32_t cchWidth)
6321{
6322 if (pszLeadIn)
6323 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6324
6325 for (uint32_t iBit = 0; iBit < 32; iBit++)
6326 if (RT_BIT_32(iBit) & uVal)
6327 {
6328 while ( pDesc->pszName != NULL
6329 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6330 pDesc++;
6331 if ( pDesc->pszName != NULL
6332 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6333 {
6334 if (pDesc->cBits == 1)
6335 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6336 else
6337 {
6338 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6339 if (pDesc->cBits < 32)
6340 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6341 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6342 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6343 }
6344 }
6345 else
6346 pHlp->pfnPrintf(pHlp, " %u", iBit);
6347 }
6348 if (pszLeadIn)
6349 pHlp->pfnPrintf(pHlp, "\n");
6350}
6351
6352
6353static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6354 const char *pszLeadIn, uint32_t cchWidth)
6355{
6356 if (pszLeadIn)
6357 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6358
6359 for (uint32_t iBit = 0; iBit < 64; iBit++)
6360 if (RT_BIT_64(iBit) & uVal)
6361 {
6362 while ( pDesc->pszName != NULL
6363 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6364 pDesc++;
6365 if ( pDesc->pszName != NULL
6366 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6367 {
6368 if (pDesc->cBits == 1)
6369 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6370 else
6371 {
6372 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6373 if (pDesc->cBits < 64)
6374 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6375 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6376 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6377 }
6378 }
6379 else
6380 pHlp->pfnPrintf(pHlp, " %u", iBit);
6381 }
6382 if (pszLeadIn)
6383 pHlp->pfnPrintf(pHlp, "\n");
6384}
6385
6386
6387static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6388 const char *pszLeadIn, uint32_t cchWidth)
6389{
6390 if (!uVal)
6391 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6392 else
6393 {
6394 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6395 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6396 pHlp->pfnPrintf(pHlp, " )\n");
6397 }
6398}
6399
6400
6401static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6402 uint32_t cchWidth)
6403{
6404 uint32_t uCombined = uVal1 | uVal2;
6405 for (uint32_t iBit = 0; iBit < 32; iBit++)
6406 if ( (RT_BIT_32(iBit) & uCombined)
6407 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6408 {
6409 while ( pDesc->pszName != NULL
6410 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6411 pDesc++;
6412
6413 if ( pDesc->pszName != NULL
6414 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6415 {
6416 size_t cchMnemonic = strlen(pDesc->pszName);
6417 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6418 size_t cchDesc = strlen(pszDesc);
6419 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6420 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6421 if (pDesc->cBits < 32)
6422 {
6423 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6424 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6425 }
6426
6427 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6428 pDesc->pszName, pszDesc,
6429 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6430 uFieldValue1, uFieldValue2);
6431
6432 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6433 pDesc++;
6434 }
6435 else
6436 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6437 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6438 }
6439}
6440
6441
6442/**
6443 * Produces a detailed summary of standard leaf 0x00000001.
6444 *
6445 * @param pHlp The info helper functions.
6446 * @param pCurLeaf The 0x00000001 leaf.
6447 * @param fVerbose Whether to be very verbose or not.
6448 * @param fIntel Set if intel CPU.
6449 */
6450static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6451{
6452 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6453 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6454 uint32_t uEAX = pCurLeaf->uEax;
6455 uint32_t uEBX = pCurLeaf->uEbx;
6456
6457 pHlp->pfnPrintf(pHlp,
6458 "%36s %2d \tExtended: %d \tEffective: %d\n"
6459 "%36s %2d \tExtended: %d \tEffective: %d\n"
6460 "%36s %d\n"
6461 "%36s %d (%s)\n"
6462 "%36s %#04x\n"
6463 "%36s %d\n"
6464 "%36s %d\n"
6465 "%36s %#04x\n"
6466 ,
6467 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6468 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6469 "Stepping:", ASMGetCpuStepping(uEAX),
6470 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6471 "APIC ID:", (uEBX >> 24) & 0xff,
6472 "Logical CPUs:",(uEBX >> 16) & 0xff,
6473 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6474 "Brand ID:", (uEBX >> 0) & 0xff);
6475 if (fVerbose)
6476 {
6477 CPUMCPUID Host;
6478 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6479 pHlp->pfnPrintf(pHlp, "Features\n");
6480 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6481 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6482 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6483 }
6484 else
6485 {
6486 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6487 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6488 }
6489}
6490
6491
6492/**
6493 * Produces a detailed summary of standard leaf 0x00000007.
6494 *
6495 * @param pHlp The info helper functions.
6496 * @param paLeaves The CPUID leaves array.
6497 * @param cLeaves The number of leaves in the array.
6498 * @param pCurLeaf The first 0x00000007 leaf.
6499 * @param fVerbose Whether to be very verbose or not.
6500 */
6501static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6502 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6503{
6504 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6505 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6506 for (;;)
6507 {
6508 CPUMCPUID Host;
6509 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6510
6511 switch (pCurLeaf->uSubLeaf)
6512 {
6513 case 0:
6514 if (fVerbose)
6515 {
6516 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6517 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6518 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6519 if (pCurLeaf->uEdx || Host.uEdx)
6520 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6521 }
6522 else
6523 {
6524 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6525 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6526 if (pCurLeaf->uEdx)
6527 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6528 }
6529 break;
6530
6531 default:
6532 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6533 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6534 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6535 break;
6536
6537 }
6538
6539 /* advance. */
6540 pCurLeaf++;
6541 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6542 || pCurLeaf->uLeaf != 0x7)
6543 break;
6544 }
6545}
6546
6547
6548/**
6549 * Produces a detailed summary of standard leaf 0x0000000d.
6550 *
6551 * @param pHlp The info helper functions.
6552 * @param paLeaves The CPUID leaves array.
6553 * @param cLeaves The number of leaves in the array.
6554 * @param pCurLeaf The first 0x00000007 leaf.
6555 * @param fVerbose Whether to be very verbose or not.
6556 */
6557static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6558 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6559{
6560 RT_NOREF_PV(fVerbose);
6561 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6562 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6563 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6564 {
6565 CPUMCPUID Host;
6566 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6567
6568 switch (uSubLeaf)
6569 {
6570 case 0:
6571 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6572 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6573 pCurLeaf->uEbx, pCurLeaf->uEcx);
6574 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6575
6576 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6577 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6578 "Valid XCR0 bits, guest:", 42);
6579 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6580 "Valid XCR0 bits, host:", 42);
6581 break;
6582
6583 case 1:
6584 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6585 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6586 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6587
6588 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6589 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6590 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6591
6592 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6593 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6594 " Valid IA32_XSS bits, guest:", 42);
6595 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6596 " Valid IA32_XSS bits, host:", 42);
6597 break;
6598
6599 default:
6600 if ( pCurLeaf
6601 && pCurLeaf->uSubLeaf == uSubLeaf
6602 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6603 {
6604 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6605 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6606 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6607 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6608 if (pCurLeaf->uEdx)
6609 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6610 pHlp->pfnPrintf(pHlp, " --");
6611 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6612 pHlp->pfnPrintf(pHlp, "\n");
6613 }
6614 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6615 {
6616 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6617 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6618 if (Host.uEcx & ~RT_BIT_32(0))
6619 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6620 if (Host.uEdx)
6621 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6622 pHlp->pfnPrintf(pHlp, " --");
6623 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6624 pHlp->pfnPrintf(pHlp, "\n");
6625 }
6626 break;
6627
6628 }
6629
6630 /* advance. */
6631 if (pCurLeaf)
6632 {
6633 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6634 && pCurLeaf->uSubLeaf <= uSubLeaf
6635 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6636 pCurLeaf++;
6637 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6638 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6639 pCurLeaf = NULL;
6640 }
6641 }
6642}
6643
6644
6645static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6646 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6647{
6648 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6649 && pCurLeaf->uLeaf <= uUpToLeaf)
6650 {
6651 pHlp->pfnPrintf(pHlp,
6652 " %s\n"
6653 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6654 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6655 && pCurLeaf->uLeaf <= uUpToLeaf)
6656 {
6657 CPUMCPUID Host;
6658 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6659 pHlp->pfnPrintf(pHlp,
6660 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6661 "Hst: %08x %08x %08x %08x\n",
6662 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6663 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6664 pCurLeaf++;
6665 }
6666 }
6667
6668 return pCurLeaf;
6669}
6670
6671
6672/**
6673 * Display the guest CpuId leaves.
6674 *
6675 * @param pVM The cross context VM structure.
6676 * @param pHlp The info helper functions.
6677 * @param pszArgs "terse", "default" or "verbose".
6678 */
6679DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6680{
6681 /*
6682 * Parse the argument.
6683 */
6684 unsigned iVerbosity = 1;
6685 if (pszArgs)
6686 {
6687 pszArgs = RTStrStripL(pszArgs);
6688 if (!strcmp(pszArgs, "terse"))
6689 iVerbosity--;
6690 else if (!strcmp(pszArgs, "verbose"))
6691 iVerbosity++;
6692 }
6693
6694 uint32_t uLeaf;
6695 CPUMCPUID Host;
6696 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6697 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6698 PCCPUMCPUIDLEAF pCurLeaf;
6699 PCCPUMCPUIDLEAF pNextLeaf;
6700 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6701 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6702 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6703
6704 /*
6705 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6706 */
6707 uint32_t cHstMax = ASMCpuId_EAX(0);
6708 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6709 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6710 pHlp->pfnPrintf(pHlp,
6711 " Raw Standard CPUID Leaves\n"
6712 " Leaf/sub-leaf eax ebx ecx edx\n");
6713 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6714 {
6715 uint32_t cMaxSubLeaves = 1;
6716 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6717 cMaxSubLeaves = 16;
6718 else if (uLeaf == 0xd)
6719 cMaxSubLeaves = 128;
6720
6721 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6722 {
6723 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6724 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6725 && pCurLeaf->uLeaf == uLeaf
6726 && pCurLeaf->uSubLeaf == uSubLeaf)
6727 {
6728 pHlp->pfnPrintf(pHlp,
6729 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6730 "Hst: %08x %08x %08x %08x\n",
6731 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6732 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6733 pCurLeaf++;
6734 }
6735 else if ( uLeaf != 0xd
6736 || uSubLeaf <= 1
6737 || Host.uEbx != 0 )
6738 pHlp->pfnPrintf(pHlp,
6739 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6740 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6741
6742 /* Done? */
6743 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6744 || pCurLeaf->uLeaf != uLeaf)
6745 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6746 || (uLeaf == 0x7 && Host.uEax == 0)
6747 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6748 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6749 || (uLeaf == 0xd && uSubLeaf >= 128)
6750 )
6751 )
6752 break;
6753 }
6754 }
6755 pNextLeaf = pCurLeaf;
6756
6757 /*
6758 * If verbose, decode it.
6759 */
6760 if (iVerbosity && paLeaves[0].uLeaf == 0)
6761 pHlp->pfnPrintf(pHlp,
6762 "%36s %.04s%.04s%.04s\n"
6763 "%36s 0x00000000-%#010x\n"
6764 ,
6765 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6766 "Supports:", paLeaves[0].uEax);
6767
6768 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6769 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6770
6771 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6772 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6773
6774 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6775 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6776
6777 pCurLeaf = pNextLeaf;
6778
6779 /*
6780 * Hypervisor leaves.
6781 *
6782 * Unlike most of the other leaves reported, the guest hypervisor leaves
6783 * aren't a subset of the host CPUID bits.
6784 */
6785 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6786
6787 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6788 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6789 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6790 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6791 cMax = RT_MAX(cHstMax, cGstMax);
6792 if (cMax >= UINT32_C(0x40000000))
6793 {
6794 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6795
6796 /** @todo dump these in more detail. */
6797
6798 pCurLeaf = pNextLeaf;
6799 }
6800
6801
6802 /*
6803 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6804 * Implemented after AMD specs.
6805 */
6806 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6807
6808 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6809 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6810 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6811 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6812 cMax = RT_MAX(cHstMax, cGstMax);
6813 if (cMax >= UINT32_C(0x80000000))
6814 {
6815
6816 pHlp->pfnPrintf(pHlp,
6817 " Raw Extended CPUID Leaves\n"
6818 " Leaf/sub-leaf eax ebx ecx edx\n");
6819 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6820 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6821 {
6822 uint32_t cMaxSubLeaves = 1;
6823 if (uLeaf == UINT32_C(0x8000001d))
6824 cMaxSubLeaves = 16;
6825
6826 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6827 {
6828 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6829 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6830 && pCurLeaf->uLeaf == uLeaf
6831 && pCurLeaf->uSubLeaf == uSubLeaf)
6832 {
6833 pHlp->pfnPrintf(pHlp,
6834 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6835 "Hst: %08x %08x %08x %08x\n",
6836 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6837 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6838 pCurLeaf++;
6839 }
6840 else if ( uLeaf != 0xd
6841 || uSubLeaf <= 1
6842 || Host.uEbx != 0 )
6843 pHlp->pfnPrintf(pHlp,
6844 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6845 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6846
6847 /* Done? */
6848 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6849 || pCurLeaf->uLeaf != uLeaf)
6850 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6851 break;
6852 }
6853 }
6854 pNextLeaf = pCurLeaf;
6855
6856 /*
6857 * Understandable output
6858 */
6859 if (iVerbosity)
6860 pHlp->pfnPrintf(pHlp,
6861 "Ext Name: %.4s%.4s%.4s\n"
6862 "Ext Supports: 0x80000000-%#010x\n",
6863 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6864
6865 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6866 if (iVerbosity && pCurLeaf)
6867 {
6868 uint32_t uEAX = pCurLeaf->uEax;
6869 pHlp->pfnPrintf(pHlp,
6870 "Family: %d \tExtended: %d \tEffective: %d\n"
6871 "Model: %d \tExtended: %d \tEffective: %d\n"
6872 "Stepping: %d\n"
6873 "Brand ID: %#05x\n",
6874 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6875 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6876 ASMGetCpuStepping(uEAX),
6877 pCurLeaf->uEbx & 0xfff);
6878
6879 if (iVerbosity == 1)
6880 {
6881 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6882 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6883 }
6884 else
6885 {
6886 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6887 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6888 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6889 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6890 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6891 if (Host.uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
6892 {
6893 pHlp->pfnPrintf(pHlp, "SVM Feature Identification (leaf A):\n");
6894 ASMCpuIdExSlow(0x8000000a, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6895 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x8000000a), 0);
6896 uint32_t const uGstEdx = pCurLeaf ? pCurLeaf->uEdx : 0;
6897 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, uGstEdx, Host.uEdx, g_aExtLeafAEdxSubFields, 56);
6898 }
6899 }
6900 }
6901
6902 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6903 {
6904 char szString[4*4*3+1] = {0};
6905 uint32_t *pu32 = (uint32_t *)szString;
6906 *pu32++ = pCurLeaf->uEax;
6907 *pu32++ = pCurLeaf->uEbx;
6908 *pu32++ = pCurLeaf->uEcx;
6909 *pu32++ = pCurLeaf->uEdx;
6910 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6911 if (pCurLeaf)
6912 {
6913 *pu32++ = pCurLeaf->uEax;
6914 *pu32++ = pCurLeaf->uEbx;
6915 *pu32++ = pCurLeaf->uEcx;
6916 *pu32++ = pCurLeaf->uEdx;
6917 }
6918 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6919 if (pCurLeaf)
6920 {
6921 *pu32++ = pCurLeaf->uEax;
6922 *pu32++ = pCurLeaf->uEbx;
6923 *pu32++ = pCurLeaf->uEcx;
6924 *pu32++ = pCurLeaf->uEdx;
6925 }
6926 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6927 }
6928
6929 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6930 {
6931 uint32_t uEAX = pCurLeaf->uEax;
6932 uint32_t uEBX = pCurLeaf->uEbx;
6933 uint32_t uECX = pCurLeaf->uEcx;
6934 uint32_t uEDX = pCurLeaf->uEdx;
6935 char sz1[32];
6936 char sz2[32];
6937
6938 pHlp->pfnPrintf(pHlp,
6939 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6940 "TLB 2/4M Data: %s %3d entries\n",
6941 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6942 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6943 pHlp->pfnPrintf(pHlp,
6944 "TLB 4K Instr/Uni: %s %3d entries\n"
6945 "TLB 4K Data: %s %3d entries\n",
6946 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6947 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6948 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6949 "L1 Instr Cache Lines Per Tag: %d\n"
6950 "L1 Instr Cache Associativity: %s\n"
6951 "L1 Instr Cache Size: %d KB\n",
6952 (uEDX >> 0) & 0xff,
6953 (uEDX >> 8) & 0xff,
6954 getCacheAss((uEDX >> 16) & 0xff, sz1),
6955 (uEDX >> 24) & 0xff);
6956 pHlp->pfnPrintf(pHlp,
6957 "L1 Data Cache Line Size: %d bytes\n"
6958 "L1 Data Cache Lines Per Tag: %d\n"
6959 "L1 Data Cache Associativity: %s\n"
6960 "L1 Data Cache Size: %d KB\n",
6961 (uECX >> 0) & 0xff,
6962 (uECX >> 8) & 0xff,
6963 getCacheAss((uECX >> 16) & 0xff, sz1),
6964 (uECX >> 24) & 0xff);
6965 }
6966
6967 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6968 {
6969 uint32_t uEAX = pCurLeaf->uEax;
6970 uint32_t uEBX = pCurLeaf->uEbx;
6971 uint32_t uEDX = pCurLeaf->uEdx;
6972
6973 pHlp->pfnPrintf(pHlp,
6974 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6975 "L2 TLB 2/4M Data: %s %4d entries\n",
6976 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6977 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6978 pHlp->pfnPrintf(pHlp,
6979 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6980 "L2 TLB 4K Data: %s %4d entries\n",
6981 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6982 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6983 pHlp->pfnPrintf(pHlp,
6984 "L2 Cache Line Size: %d bytes\n"
6985 "L2 Cache Lines Per Tag: %d\n"
6986 "L2 Cache Associativity: %s\n"
6987 "L2 Cache Size: %d KB\n",
6988 (uEDX >> 0) & 0xff,
6989 (uEDX >> 8) & 0xf,
6990 getL2CacheAss((uEDX >> 12) & 0xf),
6991 (uEDX >> 16) & 0xffff);
6992 }
6993
6994 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6995 {
6996 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6997 if (pCurLeaf->uEdx || (Host.uEdx && iVerbosity))
6998 {
6999 if (iVerbosity < 1)
7000 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf7EdxSubFields, "APM Features EDX:", 34);
7001 else
7002 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf7EdxSubFields, 56);
7003 }
7004 }
7005
7006 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
7007 if (pCurLeaf != NULL)
7008 {
7009 ASMCpuIdExSlow(UINT32_C(0x80000008), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7010 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
7011 {
7012 if (iVerbosity < 1)
7013 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
7014 else
7015 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
7016 }
7017
7018 if (iVerbosity)
7019 {
7020 uint32_t uEAX = pCurLeaf->uEax;
7021 uint32_t uECX = pCurLeaf->uEcx;
7022
7023 pHlp->pfnPrintf(pHlp,
7024 "Physical Address Width: %d bits\n"
7025 "Virtual Address Width: %d bits\n"
7026 "Guest Physical Address Width: %d bits\n",
7027 (uEAX >> 0) & 0xff,
7028 (uEAX >> 8) & 0xff,
7029 (uEAX >> 16) & 0xff);
7030 pHlp->pfnPrintf(pHlp,
7031 "Physical Core Count: %d\n",
7032 ((uECX >> 0) & 0xff) + 1);
7033 }
7034 }
7035
7036 pCurLeaf = pNextLeaf;
7037 }
7038
7039
7040
7041 /*
7042 * Centaur.
7043 */
7044 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
7045
7046 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7047 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
7048 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
7049 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
7050 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
7051 cMax = RT_MAX(cHstMax, cGstMax);
7052 if (cMax >= UINT32_C(0xc0000000))
7053 {
7054 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
7055
7056 /*
7057 * Understandable output
7058 */
7059 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
7060 pHlp->pfnPrintf(pHlp,
7061 "Centaur Supports: 0xc0000000-%#010x\n",
7062 pCurLeaf->uEax);
7063
7064 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
7065 {
7066 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7067 uint32_t uEdxGst = pCurLeaf->uEdx;
7068 uint32_t uEdxHst = Host.uEdx;
7069
7070 if (iVerbosity == 1)
7071 {
7072 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
7073 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
7074 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
7075 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
7076 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
7077 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
7078 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
7079 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
7080 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
7081 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7082 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
7083 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
7084 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
7085 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
7086 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
7087 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
7088 for (unsigned iBit = 14; iBit < 32; iBit++)
7089 if (uEdxGst & RT_BIT(iBit))
7090 pHlp->pfnPrintf(pHlp, " %d", iBit);
7091 pHlp->pfnPrintf(pHlp, "\n");
7092 }
7093 else
7094 {
7095 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
7096 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
7097 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
7098 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
7099 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
7100 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
7101 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
7102 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
7103 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
7104 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7105 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
7106 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
7107 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
7108 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
7109 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
7110 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
7111 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
7112 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
7113 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
7114 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
7115 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
7116 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
7117 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
7118 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
7119 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
7120 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
7121 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
7122 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
7123 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
7124 for (unsigned iBit = 27; iBit < 32; iBit++)
7125 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
7126 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
7127 pHlp->pfnPrintf(pHlp, "\n");
7128 }
7129 }
7130
7131 pCurLeaf = pNextLeaf;
7132 }
7133
7134 /*
7135 * The remainder.
7136 */
7137 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
7138}
7139
7140
7141
7142
7143
7144/*
7145 *
7146 *
7147 * PATM interfaces.
7148 * PATM interfaces.
7149 * PATM interfaces.
7150 *
7151 *
7152 */
7153
7154
7155# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
7156/** @name Patchmanager CPUID legacy table APIs
7157 * @{
7158 */
7159
7160/**
7161 * Gets a pointer to the default CPUID leaf.
7162 *
7163 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
7164 * @param pVM The cross context VM structure.
7165 * @remark Intended for PATM only.
7166 */
7167VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
7168{
7169 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
7170}
7171
7172
7173/**
7174 * Gets a number of standard CPUID leaves (PATM only).
7175 *
7176 * @returns Number of leaves.
7177 * @param pVM The cross context VM structure.
7178 * @remark Intended for PATM - legacy, don't use in new code.
7179 */
7180VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
7181{
7182 RT_NOREF_PV(pVM);
7183 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
7184}
7185
7186
7187/**
7188 * Gets a number of extended CPUID leaves (PATM only).
7189 *
7190 * @returns Number of leaves.
7191 * @param pVM The cross context VM structure.
7192 * @remark Intended for PATM - legacy, don't use in new code.
7193 */
7194VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
7195{
7196 RT_NOREF_PV(pVM);
7197 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
7198}
7199
7200
7201/**
7202 * Gets a number of centaur CPUID leaves.
7203 *
7204 * @returns Number of leaves.
7205 * @param pVM The cross context VM structure.
7206 * @remark Intended for PATM - legacy, don't use in new code.
7207 */
7208VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
7209{
7210 RT_NOREF_PV(pVM);
7211 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
7212}
7213
7214
7215/**
7216 * Gets a pointer to the array of standard CPUID leaves.
7217 *
7218 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
7219 *
7220 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
7221 * @param pVM The cross context VM structure.
7222 * @remark Intended for PATM - legacy, don't use in new code.
7223 */
7224VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
7225{
7226 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
7227}
7228
7229
7230/**
7231 * Gets a pointer to the array of extended CPUID leaves.
7232 *
7233 * CPUMGetGuestCpuIdExtMax() give the size of the array.
7234 *
7235 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
7236 * @param pVM The cross context VM structure.
7237 * @remark Intended for PATM - legacy, don't use in new code.
7238 */
7239VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
7240{
7241 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
7242}
7243
7244
7245/**
7246 * Gets a pointer to the array of centaur CPUID leaves.
7247 *
7248 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
7249 *
7250 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
7251 * @param pVM The cross context VM structure.
7252 * @remark Intended for PATM - legacy, don't use in new code.
7253 */
7254VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
7255{
7256 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
7257}
7258
7259/** @} */
7260# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
7261
7262#endif /* VBOX_IN_VMM */
7263
Note: See TracBrowser for help on using the repository browser.

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