VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 80317

最後變更 在這個檔案從80317是 80317,由 vboxsync 提交於 6 年 前

VMM: doxygen fixes. bugref:9217

  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Author Date Id Revision
檔案大小: 332.4 KB
 
1/* $Id: CPUMR3CpuId.cpp 80317 2019-08-16 08:05:54Z vboxsync $ */
2/** @file
3 * CPUM - CPU ID part.
4 */
5
6/*
7 * Copyright (C) 2013-2019 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.alldomusa.eu.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 VBOX_BUGREF_9217_PART_I
23#define LOG_GROUP LOG_GROUP_CPUM
24#include <VBox/vmm/cpum.h>
25#include <VBox/vmm/dbgf.h>
26#include <VBox/vmm/hm.h>
27#include <VBox/vmm/nem.h>
28#include <VBox/vmm/ssm.h>
29#include "CPUMInternal.h"
30#include <VBox/vmm/vm.h>
31#include <VBox/vmm/mm.h>
32#include <VBox/sup.h>
33
34#include <VBox/err.h>
35#include <iprt/asm-amd64-x86.h>
36#include <iprt/ctype.h>
37#include <iprt/mem.h>
38#include <iprt/string.h>
39
40
41/*********************************************************************************************************************************
42* Defined Constants And Macros *
43*********************************************************************************************************************************/
44/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
45#define CPUM_CPUID_MAX_LEAVES 2048
46/* Max size we accept for the XSAVE area. */
47#define CPUM_MAX_XSAVE_AREA_SIZE 10240
48/* Min size we accept for the XSAVE area. */
49#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
50
51
52/*********************************************************************************************************************************
53* Global Variables *
54*********************************************************************************************************************************/
55/**
56 * The intel pentium family.
57 */
58static const CPUMMICROARCH g_aenmIntelFamily06[] =
59{
60 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
61 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
62 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
63 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
64 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
65 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
66 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
67 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
68 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
69 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
70 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
71 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
72 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
73 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
74 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
75 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
76 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
79 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
80 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
81 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
82 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
83 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
84 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
85 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
86 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Nehalem-EP */
87 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
88 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
89 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
90 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
91 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
92 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
95 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
96 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
97 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
98 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
99 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
100 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
101 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
102 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
103 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
104 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
105 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
106 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
107 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
108 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
111 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
112 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
113 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
114 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
115 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
116 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
117 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
118 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
119 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
120 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
121 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
122 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
123 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
124 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
127 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
128 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
129 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
130 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
131 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
132 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
133 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
134 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
135 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
136 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
137 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
138 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake,
139 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Broadwell-E */
140 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
143 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
144 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
145 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu; skylake <= 4, cascade lake > 5 */
146 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
147 /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
148 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
149 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
150 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
151 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
152 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */
153 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
154 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
155 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */
156 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
158 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
159 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
160 /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown,
161 /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
162 /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
163 /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown,
164 /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown,
165 /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown,
166 /*[106(0x6a)] = */ kCpumMicroarch_Intel_Unknown,
167 /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown,
168 /*[108(0x6c)] = */ kCpumMicroarch_Intel_Unknown,
169 /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown,
170 /*[110(0x6e)] = */ kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */
171 /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown,
172 /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown,
173 /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown,
174 /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown,
175 /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown,
176 /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown,
177 /*[117(0x75)] = */ kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */
178 /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown,
179 /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown,
180 /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown,
181 /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown,
182 /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus,
183 /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown,
184 /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown,
185 /*[125(0x7d)] = */ kCpumMicroarch_Intel_Unknown,
186 /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
187 /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown,
188 /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown,
189 /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown,
190 /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown,
191 /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown,
192 /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown,
193 /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill,
194 /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown,
195 /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown,
196 /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown,
197 /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown,
198 /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown,
199 /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown,
200 /*[140(0x8c)] = */ kCpumMicroarch_Intel_Unknown,
201 /*[141(0x8d)] = */ kCpumMicroarch_Intel_Unknown,
202 /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */
203 /*[143(0x8f)] = */ kCpumMicroarch_Intel_Unknown,
204 /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown,
205 /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown,
206 /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown,
207 /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown,
208 /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown,
209 /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown,
210 /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown,
211 /*[151(0x97)] = */ kCpumMicroarch_Intel_Unknown,
212 /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown,
213 /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown,
214 /*[154(0x9a)] = */ kCpumMicroarch_Intel_Unknown,
215 /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown,
216 /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown,
217 /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown,
218 /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */
219 /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown,
220};
221AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0x9f+1);
222
223
224/**
225 * Figures out the (sub-)micro architecture given a bit of CPUID info.
226 *
227 * @returns Micro architecture.
228 * @param enmVendor The CPU vendor .
229 * @param bFamily The CPU family.
230 * @param bModel The CPU model.
231 * @param bStepping The CPU stepping.
232 */
233VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
234 uint8_t bModel, uint8_t bStepping)
235{
236 if (enmVendor == CPUMCPUVENDOR_AMD)
237 {
238 switch (bFamily)
239 {
240 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
241 case 0x03: return kCpumMicroarch_AMD_Am386;
242 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
243 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
244 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
245 case 0x06:
246 switch (bModel)
247 {
248 case 0: return kCpumMicroarch_AMD_K7_Palomino;
249 case 1: return kCpumMicroarch_AMD_K7_Palomino;
250 case 2: return kCpumMicroarch_AMD_K7_Palomino;
251 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
252 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
253 case 6: return kCpumMicroarch_AMD_K7_Palomino;
254 case 7: return kCpumMicroarch_AMD_K7_Morgan;
255 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
256 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
257 }
258 return kCpumMicroarch_AMD_K7_Unknown;
259 case 0x0f:
260 /*
261 * This family is a friggin mess. Trying my best to make some
262 * sense out of it. Too much happened in the 0x0f family to
263 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
264 *
265 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
266 * cpu-world.com, and other places:
267 * - 130nm:
268 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
269 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
270 * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
271 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
272 * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
273 * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
274 * - 90nm:
275 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
276 * - Oakville: 10FC0/DH-D0.
277 * - Georgetown: 10FC0/DH-D0.
278 * - Sonora: 10FC0/DH-D0.
279 * - Venus: 20F71/SH-E4
280 * - Troy: 20F51/SH-E4
281 * - Athens: 20F51/SH-E4
282 * - San Diego: 20F71/SH-E4.
283 * - Lancaster: 20F42/SH-E5
284 * - Newark: 20F42/SH-E5.
285 * - Albany: 20FC2/DH-E6.
286 * - Roma: 20FC2/DH-E6.
287 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
288 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
289 * - 90nm introducing Dual core:
290 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
291 * - Italy: 20F10/JH-E1, 20F12/JH-E6
292 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
293 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
294 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
295 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
296 * - Santa Ana: 40F32/JH-F2, /-F3
297 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
298 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
299 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
300 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
301 * - Keene: 40FC2/DH-F2.
302 * - Richmond: 40FC2/DH-F2
303 * - Taylor: 40F82/BH-F2
304 * - Trinidad: 40F82/BH-F2
305 *
306 * - 65nm:
307 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
308 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
309 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
310 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
311 * - Sherman: /-G1, 70FC2/DH-G2.
312 * - Huron: 70FF2/DH-G2.
313 */
314 if (bModel < 0x10)
315 return kCpumMicroarch_AMD_K8_130nm;
316 if (bModel >= 0x60 && bModel < 0x80)
317 return kCpumMicroarch_AMD_K8_65nm;
318 if (bModel >= 0x40)
319 return kCpumMicroarch_AMD_K8_90nm_AMDV;
320 switch (bModel)
321 {
322 case 0x21:
323 case 0x23:
324 case 0x2b:
325 case 0x2f:
326 case 0x37:
327 case 0x3f:
328 return kCpumMicroarch_AMD_K8_90nm_DualCore;
329 }
330 return kCpumMicroarch_AMD_K8_90nm;
331 case 0x10:
332 return kCpumMicroarch_AMD_K10;
333 case 0x11:
334 return kCpumMicroarch_AMD_K10_Lion;
335 case 0x12:
336 return kCpumMicroarch_AMD_K10_Llano;
337 case 0x14:
338 return kCpumMicroarch_AMD_Bobcat;
339 case 0x15:
340 switch (bModel)
341 {
342 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
343 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
344 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
345 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
346 case 0x11: /* ?? */
347 case 0x12: /* ?? */
348 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
349 }
350 return kCpumMicroarch_AMD_15h_Unknown;
351 case 0x16:
352 return kCpumMicroarch_AMD_Jaguar;
353 case 0x17:
354 return kCpumMicroarch_AMD_Zen_Ryzen;
355 }
356 return kCpumMicroarch_AMD_Unknown;
357 }
358
359 if (enmVendor == CPUMCPUVENDOR_INTEL)
360 {
361 switch (bFamily)
362 {
363 case 3:
364 return kCpumMicroarch_Intel_80386;
365 case 4:
366 return kCpumMicroarch_Intel_80486;
367 case 5:
368 return kCpumMicroarch_Intel_P5;
369 case 6:
370 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
371 {
372 CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
373 if (enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake)
374 {
375 if (bStepping >= 0xa && bStepping <= 0xc)
376 enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
377 else if (bStepping >= 0xc)
378 enmMicroArch = kCpumMicroarch_Intel_Core7_WhiskeyLake;
379 }
380 else if ( enmMicroArch == kCpumMicroarch_Intel_Core7_Skylake
381 && bModel == 0x55
382 && bStepping >= 5)
383 enmMicroArch = kCpumMicroarch_Intel_Core7_CascadeLake;
384 return enmMicroArch;
385 }
386 return kCpumMicroarch_Intel_Atom_Unknown;
387 case 15:
388 switch (bModel)
389 {
390 case 0: return kCpumMicroarch_Intel_NB_Willamette;
391 case 1: return kCpumMicroarch_Intel_NB_Willamette;
392 case 2: return kCpumMicroarch_Intel_NB_Northwood;
393 case 3: return kCpumMicroarch_Intel_NB_Prescott;
394 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
395 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
396 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
397 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
398 default: return kCpumMicroarch_Intel_NB_Unknown;
399 }
400 break;
401 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
402 case 0:
403 return kCpumMicroarch_Intel_8086;
404 case 1:
405 return kCpumMicroarch_Intel_80186;
406 case 2:
407 return kCpumMicroarch_Intel_80286;
408 }
409 return kCpumMicroarch_Intel_Unknown;
410 }
411
412 if (enmVendor == CPUMCPUVENDOR_VIA)
413 {
414 switch (bFamily)
415 {
416 case 5:
417 switch (bModel)
418 {
419 case 1: return kCpumMicroarch_Centaur_C6;
420 case 4: return kCpumMicroarch_Centaur_C6;
421 case 8: return kCpumMicroarch_Centaur_C2;
422 case 9: return kCpumMicroarch_Centaur_C3;
423 }
424 break;
425
426 case 6:
427 switch (bModel)
428 {
429 case 5: return kCpumMicroarch_VIA_C3_M2;
430 case 6: return kCpumMicroarch_VIA_C3_C5A;
431 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
432 case 8: return kCpumMicroarch_VIA_C3_C5N;
433 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
434 case 10: return kCpumMicroarch_VIA_C7_C5J;
435 case 15: return kCpumMicroarch_VIA_Isaiah;
436 }
437 break;
438 }
439 return kCpumMicroarch_VIA_Unknown;
440 }
441
442 if (enmVendor == CPUMCPUVENDOR_SHANGHAI)
443 {
444 switch (bFamily)
445 {
446 case 6:
447 case 7:
448 return kCpumMicroarch_Shanghai_Wudaokou;
449 default:
450 break;
451 }
452 return kCpumMicroarch_Shanghai_Unknown;
453 }
454
455 if (enmVendor == CPUMCPUVENDOR_CYRIX)
456 {
457 switch (bFamily)
458 {
459 case 4:
460 switch (bModel)
461 {
462 case 9: return kCpumMicroarch_Cyrix_5x86;
463 }
464 break;
465
466 case 5:
467 switch (bModel)
468 {
469 case 2: return kCpumMicroarch_Cyrix_M1;
470 case 4: return kCpumMicroarch_Cyrix_MediaGX;
471 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
472 }
473 break;
474
475 case 6:
476 switch (bModel)
477 {
478 case 0: return kCpumMicroarch_Cyrix_M2;
479 }
480 break;
481
482 }
483 return kCpumMicroarch_Cyrix_Unknown;
484 }
485
486 return kCpumMicroarch_Unknown;
487}
488
489
490/**
491 * Translates a microarchitecture enum value to the corresponding string
492 * constant.
493 *
494 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
495 * NULL if the value is invalid.
496 *
497 * @param enmMicroarch The enum value to convert.
498 */
499VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
500{
501 switch (enmMicroarch)
502 {
503#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
504 CASE_RET_STR(kCpumMicroarch_Intel_8086);
505 CASE_RET_STR(kCpumMicroarch_Intel_80186);
506 CASE_RET_STR(kCpumMicroarch_Intel_80286);
507 CASE_RET_STR(kCpumMicroarch_Intel_80386);
508 CASE_RET_STR(kCpumMicroarch_Intel_80486);
509 CASE_RET_STR(kCpumMicroarch_Intel_P5);
510
511 CASE_RET_STR(kCpumMicroarch_Intel_P6);
512 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
513 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
514
515 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
516 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
517 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
518
519 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
520 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
521
522 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
523 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
524 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
525 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
526 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
527 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
528 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
529 CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
530 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
531 CASE_RET_STR(kCpumMicroarch_Intel_Core7_WhiskeyLake);
532 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CascadeLake);
533 CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
534 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
535 CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
536
537 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
538 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
539 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
540 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
541 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
542 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
543 CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
544 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
545
546 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
547 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
548 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
549 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
550 CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
551
552 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
553 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
554 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
555 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
556 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
557 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
558 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
559
560 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
561
562 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
563 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
564 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
565 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
566 CASE_RET_STR(kCpumMicroarch_AMD_K5);
567 CASE_RET_STR(kCpumMicroarch_AMD_K6);
568
569 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
570 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
571 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
572 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
573 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
574 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
575 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
576
577 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
578 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
579 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
580 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
581 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
582
583 CASE_RET_STR(kCpumMicroarch_AMD_K10);
584 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
585 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
586 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
587 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
588
589 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
590 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
591 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
592 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
593 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
594
595 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
596
597 CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
598
599 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
600
601 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
602 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
603 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
604 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
605 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
606 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
607 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
608 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
609 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
610 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
611 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
612 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
613 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
614
615 CASE_RET_STR(kCpumMicroarch_Shanghai_Wudaokou);
616 CASE_RET_STR(kCpumMicroarch_Shanghai_Unknown);
617
618 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
619 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
620 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
621 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
622 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
623 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
624
625 CASE_RET_STR(kCpumMicroarch_NEC_V20);
626 CASE_RET_STR(kCpumMicroarch_NEC_V30);
627
628 CASE_RET_STR(kCpumMicroarch_Unknown);
629
630#undef CASE_RET_STR
631 case kCpumMicroarch_Invalid:
632 case kCpumMicroarch_Intel_End:
633 case kCpumMicroarch_Intel_Core2_End:
634 case kCpumMicroarch_Intel_Core7_End:
635 case kCpumMicroarch_Intel_Atom_End:
636 case kCpumMicroarch_Intel_P6_Core_Atom_End:
637 case kCpumMicroarch_Intel_Phi_End:
638 case kCpumMicroarch_Intel_NB_End:
639 case kCpumMicroarch_AMD_K7_End:
640 case kCpumMicroarch_AMD_K8_End:
641 case kCpumMicroarch_AMD_15h_End:
642 case kCpumMicroarch_AMD_16h_End:
643 case kCpumMicroarch_AMD_Zen_End:
644 case kCpumMicroarch_AMD_End:
645 case kCpumMicroarch_VIA_End:
646 case kCpumMicroarch_Cyrix_End:
647 case kCpumMicroarch_NEC_End:
648 case kCpumMicroarch_Shanghai_End:
649 case kCpumMicroarch_32BitHack:
650 break;
651 /* no default! */
652 }
653
654 return NULL;
655}
656
657
658/**
659 * Determins the host CPU MXCSR mask.
660 *
661 * @returns MXCSR mask.
662 */
663VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
664{
665 if ( ASMHasCpuId()
666 && ASMIsValidStdRange(ASMCpuId_EAX(0))
667 && ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
668 {
669 uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
670 PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
671 RT_ZERO(*pState);
672 ASMFxSave(pState);
673 if (pState->MXCSR_MASK == 0)
674 return 0xffbf;
675 return pState->MXCSR_MASK;
676 }
677 return 0;
678}
679
680
681/**
682 * Gets a matching leaf in the CPUID leaf array.
683 *
684 * @returns Pointer to the matching leaf, or NULL if not found.
685 * @param paLeaves The CPUID leaves to search. This is sorted.
686 * @param cLeaves The number of leaves in the array.
687 * @param uLeaf The leaf to locate.
688 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
689 */
690static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
691{
692 /* Lazy bird does linear lookup here since this is only used for the
693 occational CPUID overrides. */
694 for (uint32_t i = 0; i < cLeaves; i++)
695 if ( paLeaves[i].uLeaf == uLeaf
696 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
697 return &paLeaves[i];
698 return NULL;
699}
700
701
702#ifndef IN_VBOX_CPU_REPORT
703/**
704 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
705 *
706 * @returns true if found, false it not.
707 * @param paLeaves The CPUID leaves to search. This is sorted.
708 * @param cLeaves The number of leaves in the array.
709 * @param uLeaf The leaf to locate.
710 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
711 * @param pLegacy The legacy output leaf.
712 */
713static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
714 PCPUMCPUID pLegacy)
715{
716 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
717 if (pLeaf)
718 {
719 pLegacy->uEax = pLeaf->uEax;
720 pLegacy->uEbx = pLeaf->uEbx;
721 pLegacy->uEcx = pLeaf->uEcx;
722 pLegacy->uEdx = pLeaf->uEdx;
723 return true;
724 }
725 return false;
726}
727#endif /* IN_VBOX_CPU_REPORT */
728
729
730/**
731 * Ensures that the CPUID leaf array can hold one more leaf.
732 *
733 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
734 * failure.
735 * @param pVM The cross context VM structure. If NULL, use
736 * the process heap, otherwise the VM's hyper heap.
737 * @param ppaLeaves Pointer to the variable holding the array pointer
738 * (input/output).
739 * @param cLeaves The current array size.
740 *
741 * @remarks This function will automatically update the R0 and RC pointers when
742 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
743 * be the corresponding VM's CPUID arrays (which is asserted).
744 */
745static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
746{
747 /*
748 * If pVM is not specified, we're on the regular heap and can waste a
749 * little space to speed things up.
750 */
751 uint32_t cAllocated;
752 if (!pVM)
753 {
754 cAllocated = RT_ALIGN(cLeaves, 16);
755 if (cLeaves + 1 > cAllocated)
756 {
757 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
758 if (pvNew)
759 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
760 else
761 {
762 RTMemFree(*ppaLeaves);
763 *ppaLeaves = NULL;
764 }
765 }
766 }
767 /*
768 * Otherwise, we're on the hyper heap and are probably just inserting
769 * one or two leaves and should conserve space.
770 */
771 else
772 {
773#ifdef IN_VBOX_CPU_REPORT
774 AssertReleaseFailed();
775#else
776 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
777 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
778
779 size_t cb = cLeaves * sizeof(**ppaLeaves);
780 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
781 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
782 if (RT_SUCCESS(rc))
783 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
784 else
785 {
786 *ppaLeaves = NULL;
787 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
788 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
789 }
790#endif
791 }
792 return *ppaLeaves;
793}
794
795
796/**
797 * Append a CPUID leaf or sub-leaf.
798 *
799 * ASSUMES linear insertion order, so we'll won't need to do any searching or
800 * replace anything. Use cpumR3CpuIdInsert() for those cases.
801 *
802 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
803 * the caller need do no more work.
804 * @param ppaLeaves Pointer to the pointer to the array of sorted
805 * CPUID leaves and sub-leaves.
806 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
807 * @param uLeaf The leaf we're adding.
808 * @param uSubLeaf The sub-leaf number.
809 * @param fSubLeafMask The sub-leaf mask.
810 * @param uEax The EAX value.
811 * @param uEbx The EBX value.
812 * @param uEcx The ECX value.
813 * @param uEdx The EDX value.
814 * @param fFlags The flags.
815 */
816static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
817 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
818 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
819{
820 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
821 return VERR_NO_MEMORY;
822
823 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
824 Assert( *pcLeaves == 0
825 || pNew[-1].uLeaf < uLeaf
826 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
827
828 pNew->uLeaf = uLeaf;
829 pNew->uSubLeaf = uSubLeaf;
830 pNew->fSubLeafMask = fSubLeafMask;
831 pNew->uEax = uEax;
832 pNew->uEbx = uEbx;
833 pNew->uEcx = uEcx;
834 pNew->uEdx = uEdx;
835 pNew->fFlags = fFlags;
836
837 *pcLeaves += 1;
838 return VINF_SUCCESS;
839}
840
841
842/**
843 * Checks that we've updated the CPUID leaves array correctly.
844 *
845 * This is a no-op in non-strict builds.
846 *
847 * @param paLeaves The leaves array.
848 * @param cLeaves The number of leaves.
849 */
850static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
851{
852#ifdef VBOX_STRICT
853 for (uint32_t i = 1; i < cLeaves; i++)
854 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
855 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
856 else
857 {
858 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
859 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
860 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
861 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
862 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
863 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
864 }
865#else
866 NOREF(paLeaves);
867 NOREF(cLeaves);
868#endif
869}
870
871
872/**
873 * Inserts a CPU ID leaf, replacing any existing ones.
874 *
875 * When inserting a simple leaf where we already got a series of sub-leaves with
876 * the same leaf number (eax), the simple leaf will replace the whole series.
877 *
878 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
879 * host-context heap and has only been allocated/reallocated by the
880 * cpumR3CpuIdEnsureSpace function.
881 *
882 * @returns VBox status code.
883 * @param pVM The cross context VM structure. If NULL, use
884 * the process heap, otherwise the VM's hyper heap.
885 * @param ppaLeaves Pointer to the pointer to the array of sorted
886 * CPUID leaves and sub-leaves. Must be NULL if using
887 * the hyper heap.
888 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
889 * be NULL if using the hyper heap.
890 * @param pNewLeaf Pointer to the data of the new leaf we're about to
891 * insert.
892 */
893static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
894{
895 /*
896 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
897 */
898 if (pVM)
899 {
900 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
901 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
902
903 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
904 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
905 }
906
907 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
908 uint32_t cLeaves = *pcLeaves;
909
910 /*
911 * Validate the new leaf a little.
912 */
913 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
914 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
915 VERR_INVALID_FLAGS);
916 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
917 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
918 VERR_INVALID_PARAMETER);
919 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
920 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
921 VERR_INVALID_PARAMETER);
922 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
923 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
924 VERR_INVALID_PARAMETER);
925
926 /*
927 * Find insertion point. The lazy bird uses the same excuse as in
928 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
929 */
930 uint32_t i;
931 if ( cLeaves > 0
932 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
933 {
934 /* Add at end. */
935 i = cLeaves;
936 }
937 else if ( cLeaves > 0
938 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
939 {
940 /* Either replacing the last leaf or dealing with sub-leaves. Spool
941 back to the first sub-leaf to pretend we did the linear search. */
942 i = cLeaves - 1;
943 while ( i > 0
944 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
945 i--;
946 }
947 else
948 {
949 /* Linear search from the start. */
950 i = 0;
951 while ( i < cLeaves
952 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
953 i++;
954 }
955 if ( i < cLeaves
956 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
957 {
958 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
959 {
960 /*
961 * The sub-leaf mask differs, replace all existing leaves with the
962 * same leaf number.
963 */
964 uint32_t c = 1;
965 while ( i + c < cLeaves
966 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
967 c++;
968 if (c > 1 && i + c < cLeaves)
969 {
970 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
971 *pcLeaves = cLeaves -= c - 1;
972 }
973
974 paLeaves[i] = *pNewLeaf;
975 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
976 return VINF_SUCCESS;
977 }
978
979 /* Find sub-leaf insertion point. */
980 while ( i < cLeaves
981 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
982 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
983 i++;
984
985 /*
986 * If we've got an exactly matching leaf, replace it.
987 */
988 if ( i < cLeaves
989 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
990 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
991 {
992 paLeaves[i] = *pNewLeaf;
993 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
994 return VINF_SUCCESS;
995 }
996 }
997
998 /*
999 * Adding a new leaf at 'i'.
1000 */
1001 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
1002 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
1003 if (!paLeaves)
1004 return VERR_NO_MEMORY;
1005
1006 if (i < cLeaves)
1007 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
1008 *pcLeaves += 1;
1009 paLeaves[i] = *pNewLeaf;
1010
1011 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1012 return VINF_SUCCESS;
1013}
1014
1015
1016#ifndef IN_VBOX_CPU_REPORT
1017/**
1018 * Removes a range of CPUID leaves.
1019 *
1020 * This will not reallocate the array.
1021 *
1022 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
1023 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
1024 * @param uFirst The first leaf.
1025 * @param uLast The last leaf.
1026 */
1027static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
1028{
1029 uint32_t cLeaves = *pcLeaves;
1030
1031 Assert(uFirst <= uLast);
1032
1033 /*
1034 * Find the first one.
1035 */
1036 uint32_t iFirst = 0;
1037 while ( iFirst < cLeaves
1038 && paLeaves[iFirst].uLeaf < uFirst)
1039 iFirst++;
1040
1041 /*
1042 * Find the end (last + 1).
1043 */
1044 uint32_t iEnd = iFirst;
1045 while ( iEnd < cLeaves
1046 && paLeaves[iEnd].uLeaf <= uLast)
1047 iEnd++;
1048
1049 /*
1050 * Adjust the array if anything needs removing.
1051 */
1052 if (iFirst < iEnd)
1053 {
1054 if (iEnd < cLeaves)
1055 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
1056 *pcLeaves = cLeaves -= (iEnd - iFirst);
1057 }
1058
1059 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
1060}
1061#endif /* IN_VBOX_CPU_REPORT */
1062
1063
1064/**
1065 * Checks if ECX make a difference when reading a given CPUID leaf.
1066 *
1067 * @returns @c true if it does, @c false if it doesn't.
1068 * @param uLeaf The leaf we're reading.
1069 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
1070 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
1071 * final sub-leaf (for leaf 0xb only).
1072 */
1073static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
1074{
1075 *pfFinalEcxUnchanged = false;
1076
1077 uint32_t auCur[4];
1078 uint32_t auPrev[4];
1079 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
1080
1081 /* Look for sub-leaves. */
1082 uint32_t uSubLeaf = 1;
1083 for (;;)
1084 {
1085 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1086 if (memcmp(auCur, auPrev, sizeof(auCur)))
1087 break;
1088
1089 /* Advance / give up. */
1090 uSubLeaf++;
1091 if (uSubLeaf >= 64)
1092 {
1093 *pcSubLeaves = 1;
1094 return false;
1095 }
1096 }
1097
1098 /* Count sub-leaves. */
1099 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1100 uint32_t cRepeats = 0;
1101 uSubLeaf = 0;
1102 for (;;)
1103 {
1104 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1105
1106 /* Figuring out when to stop isn't entirely straight forward as we need
1107 to cover undocumented behavior up to a point and implementation shortcuts. */
1108
1109 /* 1. Look for more than 4 repeating value sets. */
1110 if ( auCur[0] == auPrev[0]
1111 && auCur[1] == auPrev[1]
1112 && ( auCur[2] == auPrev[2]
1113 || ( auCur[2] == uSubLeaf
1114 && auPrev[2] == uSubLeaf - 1) )
1115 && auCur[3] == auPrev[3])
1116 {
1117 if ( uLeaf != 0xd
1118 || uSubLeaf >= 64
1119 || ( auCur[0] == 0
1120 && auCur[1] == 0
1121 && auCur[2] == 0
1122 && auCur[3] == 0
1123 && auPrev[2] == 0) )
1124 cRepeats++;
1125 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1126 break;
1127 }
1128 else
1129 cRepeats = 0;
1130
1131 /* 2. Look for zero values. */
1132 if ( auCur[0] == 0
1133 && auCur[1] == 0
1134 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
1135 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1136 && uSubLeaf >= cMinLeaves)
1137 {
1138 cRepeats = 0;
1139 break;
1140 }
1141
1142 /* 3. Leaf 0xb level type 0 check. */
1143 if ( uLeaf == 0xb
1144 && (auCur[2] & 0xff00) == 0
1145 && (auPrev[2] & 0xff00) == 0)
1146 {
1147 cRepeats = 0;
1148 break;
1149 }
1150
1151 /* 99. Give up. */
1152 if (uSubLeaf >= 128)
1153 {
1154#ifndef IN_VBOX_CPU_REPORT
1155 /* Ok, limit it according to the documentation if possible just to
1156 avoid annoying users with these detection issues. */
1157 uint32_t cDocLimit = UINT32_MAX;
1158 if (uLeaf == 0x4)
1159 cDocLimit = 4;
1160 else if (uLeaf == 0x7)
1161 cDocLimit = 1;
1162 else if (uLeaf == 0xd)
1163 cDocLimit = 63;
1164 else if (uLeaf == 0xf)
1165 cDocLimit = 2;
1166 if (cDocLimit != UINT32_MAX)
1167 {
1168 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1169 *pcSubLeaves = cDocLimit + 3;
1170 return true;
1171 }
1172#endif
1173 *pcSubLeaves = UINT32_MAX;
1174 return true;
1175 }
1176
1177 /* Advance. */
1178 uSubLeaf++;
1179 memcpy(auPrev, auCur, sizeof(auCur));
1180 }
1181
1182 /* Standard exit. */
1183 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1184 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1185 if (*pcSubLeaves == 0)
1186 *pcSubLeaves = 1;
1187 return true;
1188}
1189
1190
1191/**
1192 * Gets a CPU ID leaf.
1193 *
1194 * @returns VBox status code.
1195 * @param pVM The cross context VM structure.
1196 * @param pLeaf Where to store the found leaf.
1197 * @param uLeaf The leaf to locate.
1198 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1199 */
1200VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1201{
1202 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1203 uLeaf, uSubLeaf);
1204 if (pcLeaf)
1205 {
1206 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1207 return VINF_SUCCESS;
1208 }
1209
1210 return VERR_NOT_FOUND;
1211}
1212
1213
1214/**
1215 * Inserts a CPU ID leaf, replacing any existing ones.
1216 *
1217 * @returns VBox status code.
1218 * @param pVM The cross context VM structure.
1219 * @param pNewLeaf Pointer to the leaf being inserted.
1220 */
1221VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1222{
1223 /*
1224 * Validate parameters.
1225 */
1226 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1227 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1228
1229 /*
1230 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1231 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1232 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1233 */
1234 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1235 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1236 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1237 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1238 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1239 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1240 {
1241 return VERR_NOT_SUPPORTED;
1242 }
1243
1244 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1245}
1246
1247/**
1248 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1249 *
1250 * @returns VBox status code.
1251 * @param ppaLeaves Where to return the array pointer on success.
1252 * Use RTMemFree to release.
1253 * @param pcLeaves Where to return the size of the array on
1254 * success.
1255 */
1256VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1257{
1258 *ppaLeaves = NULL;
1259 *pcLeaves = 0;
1260
1261 /*
1262 * Try out various candidates. This must be sorted!
1263 */
1264 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1265 {
1266 { UINT32_C(0x00000000), false },
1267 { UINT32_C(0x10000000), false },
1268 { UINT32_C(0x20000000), false },
1269 { UINT32_C(0x30000000), false },
1270 { UINT32_C(0x40000000), false },
1271 { UINT32_C(0x50000000), false },
1272 { UINT32_C(0x60000000), false },
1273 { UINT32_C(0x70000000), false },
1274 { UINT32_C(0x80000000), false },
1275 { UINT32_C(0x80860000), false },
1276 { UINT32_C(0x8ffffffe), true },
1277 { UINT32_C(0x8fffffff), true },
1278 { UINT32_C(0x90000000), false },
1279 { UINT32_C(0xa0000000), false },
1280 { UINT32_C(0xb0000000), false },
1281 { UINT32_C(0xc0000000), false },
1282 { UINT32_C(0xd0000000), false },
1283 { UINT32_C(0xe0000000), false },
1284 { UINT32_C(0xf0000000), false },
1285 };
1286
1287 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1288 {
1289 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1290 uint32_t uEax, uEbx, uEcx, uEdx;
1291 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1292
1293 /*
1294 * Does EAX look like a typical leaf count value?
1295 */
1296 if ( uEax > uLeaf
1297 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1298 {
1299 /* Yes, dump them. */
1300 uint32_t cLeaves = uEax - uLeaf + 1;
1301 while (cLeaves-- > 0)
1302 {
1303 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1304
1305 uint32_t fFlags = 0;
1306
1307 /* There are currently three known leaves containing an APIC ID
1308 that needs EMT specific attention */
1309 if (uLeaf == 1)
1310 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1311 else if (uLeaf == 0xb && uEcx != 0)
1312 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1313 else if ( uLeaf == UINT32_C(0x8000001e)
1314 && ( uEax
1315 || uEbx
1316 || uEdx
1317 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1318 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1319
1320 /* The APIC bit is per-VCpu and needs flagging. */
1321 if (uLeaf == 1)
1322 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1323 else if ( uLeaf == UINT32_C(0x80000001)
1324 && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1325 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1326 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1327
1328 /* Check three times here to reduce the chance of CPU migration
1329 resulting in false positives with things like the APIC ID. */
1330 uint32_t cSubLeaves;
1331 bool fFinalEcxUnchanged;
1332 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1333 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1334 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1335 {
1336 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1337 {
1338 /* This shouldn't happen. But in case it does, file all
1339 relevant details in the release log. */
1340 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1341 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1342 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1343 {
1344 uint32_t auTmp[4];
1345 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1346 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1347 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1348 }
1349 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1350 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1351 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1352 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1353 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1354 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1355 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1356 }
1357
1358 if (fFinalEcxUnchanged)
1359 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1360
1361 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1362 {
1363 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1364 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1365 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1366 if (RT_FAILURE(rc))
1367 return rc;
1368 }
1369 }
1370 else
1371 {
1372 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1373 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1374 if (RT_FAILURE(rc))
1375 return rc;
1376 }
1377
1378 /* next */
1379 uLeaf++;
1380 }
1381 }
1382 /*
1383 * Special CPUIDs needs special handling as they don't follow the
1384 * leaf count principle used above.
1385 */
1386 else if (s_aCandidates[iOuter].fSpecial)
1387 {
1388 bool fKeep = false;
1389 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1390 fKeep = true;
1391 else if ( uLeaf == 0x8fffffff
1392 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1393 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1394 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1395 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1396 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1397 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1398 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1399 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1400 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1401 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1402 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1403 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1404 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1405 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1406 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1407 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1408 fKeep = true;
1409 if (fKeep)
1410 {
1411 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1412 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1413 if (RT_FAILURE(rc))
1414 return rc;
1415 }
1416 }
1417 }
1418
1419 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1420 return VINF_SUCCESS;
1421}
1422
1423
1424/**
1425 * Determines the method the CPU uses to handle unknown CPUID leaves.
1426 *
1427 * @returns VBox status code.
1428 * @param penmUnknownMethod Where to return the method.
1429 * @param pDefUnknown Where to return default unknown values. This
1430 * will be set, even if the resulting method
1431 * doesn't actually needs it.
1432 */
1433VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1434{
1435 uint32_t uLastStd = ASMCpuId_EAX(0);
1436 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1437 if (!ASMIsValidExtRange(uLastExt))
1438 uLastExt = 0x80000000;
1439
1440 uint32_t auChecks[] =
1441 {
1442 uLastStd + 1,
1443 uLastStd + 5,
1444 uLastStd + 8,
1445 uLastStd + 32,
1446 uLastStd + 251,
1447 uLastExt + 1,
1448 uLastExt + 8,
1449 uLastExt + 15,
1450 uLastExt + 63,
1451 uLastExt + 255,
1452 0x7fbbffcc,
1453 0x833f7872,
1454 0xefff2353,
1455 0x35779456,
1456 0x1ef6d33e,
1457 };
1458
1459 static const uint32_t s_auValues[] =
1460 {
1461 0xa95d2156,
1462 0x00000001,
1463 0x00000002,
1464 0x00000008,
1465 0x00000000,
1466 0x55773399,
1467 0x93401769,
1468 0x12039587,
1469 };
1470
1471 /*
1472 * Simple method, all zeros.
1473 */
1474 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1475 pDefUnknown->uEax = 0;
1476 pDefUnknown->uEbx = 0;
1477 pDefUnknown->uEcx = 0;
1478 pDefUnknown->uEdx = 0;
1479
1480 /*
1481 * Intel has been observed returning the last standard leaf.
1482 */
1483 uint32_t auLast[4];
1484 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1485
1486 uint32_t cChecks = RT_ELEMENTS(auChecks);
1487 while (cChecks > 0)
1488 {
1489 uint32_t auCur[4];
1490 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1491 if (memcmp(auCur, auLast, sizeof(auCur)))
1492 break;
1493 cChecks--;
1494 }
1495 if (cChecks == 0)
1496 {
1497 /* Now, what happens when the input changes? Esp. ECX. */
1498 uint32_t cTotal = 0;
1499 uint32_t cSame = 0;
1500 uint32_t cLastWithEcx = 0;
1501 uint32_t cNeither = 0;
1502 uint32_t cValues = RT_ELEMENTS(s_auValues);
1503 while (cValues > 0)
1504 {
1505 uint32_t uValue = s_auValues[cValues - 1];
1506 uint32_t auLastWithEcx[4];
1507 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1508 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1509
1510 cChecks = RT_ELEMENTS(auChecks);
1511 while (cChecks > 0)
1512 {
1513 uint32_t auCur[4];
1514 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1515 if (!memcmp(auCur, auLast, sizeof(auCur)))
1516 {
1517 cSame++;
1518 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1519 cLastWithEcx++;
1520 }
1521 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1522 cLastWithEcx++;
1523 else
1524 cNeither++;
1525 cTotal++;
1526 cChecks--;
1527 }
1528 cValues--;
1529 }
1530
1531 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1532 if (cSame == cTotal)
1533 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1534 else if (cLastWithEcx == cTotal)
1535 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1536 else
1537 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1538 pDefUnknown->uEax = auLast[0];
1539 pDefUnknown->uEbx = auLast[1];
1540 pDefUnknown->uEcx = auLast[2];
1541 pDefUnknown->uEdx = auLast[3];
1542 return VINF_SUCCESS;
1543 }
1544
1545 /*
1546 * Unchanged register values?
1547 */
1548 cChecks = RT_ELEMENTS(auChecks);
1549 while (cChecks > 0)
1550 {
1551 uint32_t const uLeaf = auChecks[cChecks - 1];
1552 uint32_t cValues = RT_ELEMENTS(s_auValues);
1553 while (cValues > 0)
1554 {
1555 uint32_t uValue = s_auValues[cValues - 1];
1556 uint32_t auCur[4];
1557 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1558 if ( auCur[0] != uLeaf
1559 || auCur[1] != uValue
1560 || auCur[2] != uValue
1561 || auCur[3] != uValue)
1562 break;
1563 cValues--;
1564 }
1565 if (cValues != 0)
1566 break;
1567 cChecks--;
1568 }
1569 if (cChecks == 0)
1570 {
1571 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1572 return VINF_SUCCESS;
1573 }
1574
1575 /*
1576 * Just go with the simple method.
1577 */
1578 return VINF_SUCCESS;
1579}
1580
1581
1582/**
1583 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1584 *
1585 * @returns Read only name string.
1586 * @param enmUnknownMethod The method to translate.
1587 */
1588VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1589{
1590 switch (enmUnknownMethod)
1591 {
1592 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1593 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1594 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1595 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1596
1597 case CPUMUNKNOWNCPUID_INVALID:
1598 case CPUMUNKNOWNCPUID_END:
1599 case CPUMUNKNOWNCPUID_32BIT_HACK:
1600 break;
1601 }
1602 return "Invalid-unknown-CPUID-method";
1603}
1604
1605
1606/**
1607 * Detect the CPU vendor give n the
1608 *
1609 * @returns The vendor.
1610 * @param uEAX EAX from CPUID(0).
1611 * @param uEBX EBX from CPUID(0).
1612 * @param uECX ECX from CPUID(0).
1613 * @param uEDX EDX from CPUID(0).
1614 */
1615VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1616{
1617 if (ASMIsValidStdRange(uEAX))
1618 {
1619 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1620 return CPUMCPUVENDOR_AMD;
1621
1622 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1623 return CPUMCPUVENDOR_INTEL;
1624
1625 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1626 return CPUMCPUVENDOR_VIA;
1627
1628 if (ASMIsShanghaiCpuEx(uEBX, uECX, uEDX))
1629 return CPUMCPUVENDOR_SHANGHAI;
1630
1631 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1632 && uECX == UINT32_C(0x64616574)
1633 && uEDX == UINT32_C(0x736E4978))
1634 return CPUMCPUVENDOR_CYRIX;
1635
1636 /* "Geode by NSC", example: family 5, model 9. */
1637
1638 /** @todo detect the other buggers... */
1639 }
1640
1641 return CPUMCPUVENDOR_UNKNOWN;
1642}
1643
1644
1645/**
1646 * Translates a CPU vendor enum value into the corresponding string constant.
1647 *
1648 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1649 * value name. This can be useful when generating code.
1650 *
1651 * @returns Read only name string.
1652 * @param enmVendor The CPU vendor value.
1653 */
1654VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1655{
1656 switch (enmVendor)
1657 {
1658 case CPUMCPUVENDOR_INTEL: return "INTEL";
1659 case CPUMCPUVENDOR_AMD: return "AMD";
1660 case CPUMCPUVENDOR_VIA: return "VIA";
1661 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1662 case CPUMCPUVENDOR_SHANGHAI: return "SHANGHAI";
1663 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1664
1665 case CPUMCPUVENDOR_INVALID:
1666 case CPUMCPUVENDOR_32BIT_HACK:
1667 break;
1668 }
1669 return "Invalid-cpu-vendor";
1670}
1671
1672
1673static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1674{
1675 /* Could do binary search, doing linear now because I'm lazy. */
1676 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1677 while (cLeaves-- > 0)
1678 {
1679 if (pLeaf->uLeaf == uLeaf)
1680 return pLeaf;
1681 pLeaf++;
1682 }
1683 return NULL;
1684}
1685
1686
1687static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1688{
1689 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1690 if ( !pLeaf
1691 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1692 return pLeaf;
1693
1694 /* Linear sub-leaf search. Lazy as usual. */
1695 cLeaves -= pLeaf - paLeaves;
1696 while ( cLeaves-- > 0
1697 && pLeaf->uLeaf == uLeaf)
1698 {
1699 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1700 return pLeaf;
1701 pLeaf++;
1702 }
1703
1704 return NULL;
1705}
1706
1707
1708static void cpumR3ExplodeVmxFeatures(PCVMXMSRS pVmxMsrs, PCPUMFEATURES pFeatures)
1709{
1710 Assert(pVmxMsrs);
1711 Assert(pFeatures);
1712 Assert(pFeatures->fVmx);
1713
1714 /* Basic information. */
1715 {
1716 uint64_t const u64Basic = pVmxMsrs->u64Basic;
1717 pFeatures->fVmxInsOutInfo = RT_BF_GET(u64Basic, VMX_BF_BASIC_VMCS_INS_OUTS);
1718 }
1719
1720 /* Pin-based VM-execution controls. */
1721 {
1722 uint32_t const fPinCtls = pVmxMsrs->PinCtls.n.allowed1;
1723 pFeatures->fVmxExtIntExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_EXT_INT_EXIT);
1724 pFeatures->fVmxNmiExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_NMI_EXIT);
1725 pFeatures->fVmxVirtNmi = RT_BOOL(fPinCtls & VMX_PIN_CTLS_VIRT_NMI);
1726 pFeatures->fVmxPreemptTimer = RT_BOOL(fPinCtls & VMX_PIN_CTLS_PREEMPT_TIMER);
1727 pFeatures->fVmxPostedInt = RT_BOOL(fPinCtls & VMX_PIN_CTLS_POSTED_INT);
1728 }
1729
1730 /* Processor-based VM-execution controls. */
1731 {
1732 uint32_t const fProcCtls = pVmxMsrs->ProcCtls.n.allowed1;
1733 pFeatures->fVmxIntWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INT_WINDOW_EXIT);
1734 pFeatures->fVmxTscOffsetting = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TSC_OFFSETTING);
1735 pFeatures->fVmxHltExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_HLT_EXIT);
1736 pFeatures->fVmxInvlpgExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INVLPG_EXIT);
1737 pFeatures->fVmxMwaitExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MWAIT_EXIT);
1738 pFeatures->fVmxRdpmcExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDPMC_EXIT);
1739 pFeatures->fVmxRdtscExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDTSC_EXIT);
1740 pFeatures->fVmxCr3LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_LOAD_EXIT);
1741 pFeatures->fVmxCr3StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_STORE_EXIT);
1742 pFeatures->fVmxCr8LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_LOAD_EXIT);
1743 pFeatures->fVmxCr8StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_STORE_EXIT);
1744 pFeatures->fVmxUseTprShadow = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TPR_SHADOW);
1745 pFeatures->fVmxNmiWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_NMI_WINDOW_EXIT);
1746 pFeatures->fVmxMovDRxExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MOV_DR_EXIT);
1747 pFeatures->fVmxUncondIoExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_UNCOND_IO_EXIT);
1748 pFeatures->fVmxUseIoBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_IO_BITMAPS);
1749 pFeatures->fVmxMonitorTrapFlag = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_TRAP_FLAG);
1750 pFeatures->fVmxUseMsrBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_MSR_BITMAPS);
1751 pFeatures->fVmxMonitorExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_EXIT);
1752 pFeatures->fVmxPauseExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_PAUSE_EXIT);
1753 pFeatures->fVmxSecondaryExecCtls = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_SECONDARY_CTLS);
1754 }
1755
1756 /* Secondary processor-based VM-execution controls. */
1757 {
1758 uint32_t const fProcCtls2 = pFeatures->fVmxSecondaryExecCtls ? pVmxMsrs->ProcCtls2.n.allowed1 : 0;
1759 pFeatures->fVmxVirtApicAccess = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_APIC_ACCESS);
1760 pFeatures->fVmxEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT);
1761 pFeatures->fVmxDescTableExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_DESC_TABLE_EXIT);
1762 pFeatures->fVmxRdtscp = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDTSCP);
1763 pFeatures->fVmxVirtX2ApicMode = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_X2APIC_MODE);
1764 pFeatures->fVmxVpid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VPID);
1765 pFeatures->fVmxWbinvdExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_WBINVD_EXIT);
1766 pFeatures->fVmxUnrestrictedGuest = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_UNRESTRICTED_GUEST);
1767 pFeatures->fVmxApicRegVirt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_APIC_REG_VIRT);
1768 pFeatures->fVmxVirtIntDelivery = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_INT_DELIVERY);
1769 pFeatures->fVmxPauseLoopExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PAUSE_LOOP_EXIT);
1770 pFeatures->fVmxRdrandExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDRAND_EXIT);
1771 pFeatures->fVmxInvpcid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_INVPCID);
1772 pFeatures->fVmxVmFunc = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMFUNC);
1773 pFeatures->fVmxVmcsShadowing = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMCS_SHADOWING);
1774 pFeatures->fVmxRdseedExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDSEED_EXIT);
1775 pFeatures->fVmxPml = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PML);
1776 pFeatures->fVmxEptXcptVe = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT_VE);
1777 pFeatures->fVmxXsavesXrstors = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_XSAVES_XRSTORS);
1778 pFeatures->fVmxUseTscScaling = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_TSC_SCALING);
1779 }
1780
1781 /* VM-exit controls. */
1782 {
1783 uint32_t const fExitCtls = pVmxMsrs->ExitCtls.n.allowed1;
1784 pFeatures->fVmxExitSaveDebugCtls = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_DEBUG);
1785 pFeatures->fVmxHostAddrSpaceSize = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_HOST_ADDR_SPACE_SIZE);
1786 pFeatures->fVmxExitAckExtInt = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_ACK_EXT_INT);
1787 pFeatures->fVmxExitSavePatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PAT_MSR);
1788 pFeatures->fVmxExitLoadPatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_PAT_MSR);
1789 pFeatures->fVmxExitSaveEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_EFER_MSR);
1790 pFeatures->fVmxExitLoadEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_EFER_MSR);
1791 pFeatures->fVmxSavePreemptTimer = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PREEMPT_TIMER);
1792 }
1793
1794 /* VM-entry controls. */
1795 {
1796 uint32_t const fEntryCtls = pVmxMsrs->EntryCtls.n.allowed1;
1797 pFeatures->fVmxEntryLoadDebugCtls = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_DEBUG);
1798 pFeatures->fVmxIa32eModeGuest = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_IA32E_MODE_GUEST);
1799 pFeatures->fVmxEntryLoadEferMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_EFER_MSR);
1800 pFeatures->fVmxEntryLoadPatMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_PAT_MSR);
1801 }
1802
1803 /* Miscellaneous data. */
1804 {
1805 uint32_t const fMiscData = pVmxMsrs->u64Misc;
1806 pFeatures->fVmxExitSaveEferLma = RT_BOOL(fMiscData & VMX_MISC_EXIT_SAVE_EFER_LMA);
1807 pFeatures->fVmxIntelPt = RT_BOOL(fMiscData & VMX_MISC_INTEL_PT);
1808 pFeatures->fVmxVmwriteAll = RT_BOOL(fMiscData & VMX_MISC_VMWRITE_ALL);
1809 pFeatures->fVmxEntryInjectSoftInt = RT_BOOL(fMiscData & VMX_MISC_ENTRY_INJECT_SOFT_INT);
1810 }
1811}
1812
1813
1814int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs, PCPUMFEATURES pFeatures)
1815{
1816 Assert(pMsrs);
1817 RT_ZERO(*pFeatures);
1818 if (cLeaves >= 2)
1819 {
1820 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1821 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1822 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1823 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1824 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1825 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1826
1827 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1828 pStd0Leaf->uEbx,
1829 pStd0Leaf->uEcx,
1830 pStd0Leaf->uEdx);
1831 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1832 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1833 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1834 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1835 pFeatures->uFamily,
1836 pFeatures->uModel,
1837 pFeatures->uStepping);
1838
1839 PCCPUMCPUIDLEAF const pExtLeaf8 = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1840 if (pExtLeaf8)
1841 {
1842 pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1843 pFeatures->cMaxLinearAddrWidth = (pExtLeaf8->uEax >> 8) & 0xff;
1844 }
1845 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1846 {
1847 pFeatures->cMaxPhysAddrWidth = 36;
1848 pFeatures->cMaxLinearAddrWidth = 36;
1849 }
1850 else
1851 {
1852 pFeatures->cMaxPhysAddrWidth = 32;
1853 pFeatures->cMaxLinearAddrWidth = 32;
1854 }
1855
1856 /* Standard features. */
1857 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1858 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1859 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1860 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1861 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1862 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1863 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1864 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1865 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1866 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1867 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1868 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1869 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1870 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1871 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1872 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1873 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1874 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1875 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1876 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1877 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1878 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1879 pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1880 pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1881 pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1882 pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX);
1883 if (pFeatures->fVmx)
1884 cpumR3ExplodeVmxFeatures(&pMsrs->hwvirt.vmx, pFeatures);
1885
1886 /* Structured extended features. */
1887 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1888 if (pSxfLeaf0)
1889 {
1890 pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1891 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1892 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1893 pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1894 pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1895
1896 pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1897 pFeatures->fIbrs = pFeatures->fIbpb;
1898 pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1899 pFeatures->fFlushCmd = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD);
1900 pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1901 pFeatures->fMdsClear = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR);
1902 }
1903
1904 /* MWAIT/MONITOR leaf. */
1905 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1906 if (pMWaitLeaf)
1907 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1908 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1909
1910 /* Extended features. */
1911 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1912 if (pExtLeaf)
1913 {
1914 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1915 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1916 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1917 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1918 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1919 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1920 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1921 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1922 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1923 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1924 }
1925
1926 /* VMX (VMXON, VMCS region and related data structures) physical address width (depends on long-mode). */
1927 pFeatures->cVmxMaxPhysAddrWidth = pFeatures->fLongMode ? pFeatures->cMaxPhysAddrWidth : 32;
1928
1929 if ( pExtLeaf
1930 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1931 {
1932 /* AMD features. */
1933 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1934 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1935 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1936 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1937 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1938 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1939 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1940 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1941 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1942 pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1943 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1944 pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1945 pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1946 if (pFeatures->fSvm)
1947 {
1948 PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1949 AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1950 pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1951 pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1952 pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1953 pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1954 pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1955 pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1956 pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1957 pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1958 pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1959 pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1960 pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1961 pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1962 pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1963 pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1964 }
1965 }
1966
1967 /*
1968 * Quirks.
1969 */
1970 pFeatures->fLeakyFxSR = pExtLeaf
1971 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1972 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1973 && pFeatures->uFamily >= 6 /* K7 and up */;
1974
1975 /*
1976 * Max extended (/FPU) state.
1977 */
1978 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1979 if (pFeatures->fXSaveRstor)
1980 {
1981 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1982 if (pXStateLeaf0)
1983 {
1984 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1985 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1986 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1987 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1988 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1989 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1990 {
1991 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1992
1993 /* (paranoia:) */
1994 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1995 if ( pXStateLeaf1
1996 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1997 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1998 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1999 pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
2000 }
2001 else
2002 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
2003 pFeatures->fXSaveRstor = 0);
2004 }
2005 else
2006 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
2007 pFeatures->fXSaveRstor = 0);
2008 }
2009 }
2010 else
2011 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
2012 return VINF_SUCCESS;
2013}
2014
2015
2016/*
2017 *
2018 * Init related code.
2019 * Init related code.
2020 * Init related code.
2021 *
2022 *
2023 */
2024#ifndef IN_VBOX_CPU_REPORT
2025
2026
2027/**
2028 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
2029 *
2030 * This ignores the fSubLeafMask.
2031 *
2032 * @returns Pointer to the matching leaf, or NULL if not found.
2033 * @param pCpum The CPUM instance data.
2034 * @param uLeaf The leaf to locate.
2035 * @param uSubLeaf The subleaf to locate.
2036 */
2037static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
2038{
2039 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
2040 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
2041 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
2042 if (iEnd)
2043 {
2044 uint32_t iBegin = 0;
2045 for (;;)
2046 {
2047 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
2048 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
2049 if (uNeedle < uCur)
2050 {
2051 if (i > iBegin)
2052 iEnd = i;
2053 else
2054 break;
2055 }
2056 else if (uNeedle > uCur)
2057 {
2058 if (i + 1 < iEnd)
2059 iBegin = i + 1;
2060 else
2061 break;
2062 }
2063 else
2064 return &paLeaves[i];
2065 }
2066 }
2067 return NULL;
2068}
2069
2070
2071/**
2072 * Loads MSR range overrides.
2073 *
2074 * This must be called before the MSR ranges are moved from the normal heap to
2075 * the hyper heap!
2076 *
2077 * @returns VBox status code (VMSetError called).
2078 * @param pVM The cross context VM structure.
2079 * @param pMsrNode The CFGM node with the MSR overrides.
2080 */
2081static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
2082{
2083 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2084 {
2085 /*
2086 * Assemble a valid MSR range.
2087 */
2088 CPUMMSRRANGE MsrRange;
2089 MsrRange.offCpumCpu = 0;
2090 MsrRange.fReserved = 0;
2091
2092 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
2093 if (RT_FAILURE(rc))
2094 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
2095
2096 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
2097 if (RT_FAILURE(rc))
2098 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
2099 MsrRange.szName, rc);
2100
2101 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
2102 if (RT_FAILURE(rc))
2103 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
2104 MsrRange.szName, rc);
2105
2106 char szType[32];
2107 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
2108 if (RT_FAILURE(rc))
2109 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
2110 MsrRange.szName, rc);
2111 if (!RTStrICmp(szType, "FixedValue"))
2112 {
2113 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
2114 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
2115
2116 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
2117 if (RT_FAILURE(rc))
2118 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
2119 MsrRange.szName, rc);
2120
2121 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
2122 if (RT_FAILURE(rc))
2123 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
2124 MsrRange.szName, rc);
2125
2126 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
2127 if (RT_FAILURE(rc))
2128 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
2129 MsrRange.szName, rc);
2130 }
2131 else
2132 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
2133 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
2134
2135 /*
2136 * Insert the range into the table (replaces/splits/shrinks existing
2137 * MSR ranges).
2138 */
2139 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
2140 &MsrRange);
2141 if (RT_FAILURE(rc))
2142 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
2143 }
2144
2145 return VINF_SUCCESS;
2146}
2147
2148
2149/**
2150 * Loads CPUID leaf overrides.
2151 *
2152 * This must be called before the CPUID leaves are moved from the normal
2153 * heap to the hyper heap!
2154 *
2155 * @returns VBox status code (VMSetError called).
2156 * @param pVM The cross context VM structure.
2157 * @param pParentNode The CFGM node with the CPUID leaves.
2158 * @param pszLabel How to label the overrides we're loading.
2159 */
2160static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
2161{
2162 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
2163 {
2164 /*
2165 * Get the leaf and subleaf numbers.
2166 */
2167 char szName[128];
2168 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
2169 if (RT_FAILURE(rc))
2170 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
2171
2172 /* The leaf number is either specified directly or thru the node name. */
2173 uint32_t uLeaf;
2174 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
2175 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
2176 {
2177 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
2178 if (rc != VINF_SUCCESS)
2179 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
2180 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
2181 }
2182 else if (RT_FAILURE(rc))
2183 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
2184 pszLabel, szName, rc);
2185
2186 uint32_t uSubLeaf;
2187 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
2188 if (RT_FAILURE(rc))
2189 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
2190 pszLabel, szName, rc);
2191
2192 uint32_t fSubLeafMask;
2193 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
2194 if (RT_FAILURE(rc))
2195 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
2196 pszLabel, szName, rc);
2197
2198 /*
2199 * Look up the specified leaf, since the output register values
2200 * defaults to any existing values. This allows overriding a single
2201 * register, without needing to know the other values.
2202 */
2203 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
2204 CPUMCPUIDLEAF Leaf;
2205 if (pLeaf)
2206 Leaf = *pLeaf;
2207 else
2208 RT_ZERO(Leaf);
2209 Leaf.uLeaf = uLeaf;
2210 Leaf.uSubLeaf = uSubLeaf;
2211 Leaf.fSubLeafMask = fSubLeafMask;
2212
2213 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
2214 if (RT_FAILURE(rc))
2215 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
2216 pszLabel, szName, rc);
2217 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
2218 if (RT_FAILURE(rc))
2219 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
2220 pszLabel, szName, rc);
2221 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
2222 if (RT_FAILURE(rc))
2223 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
2224 pszLabel, szName, rc);
2225 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
2226 if (RT_FAILURE(rc))
2227 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
2228 pszLabel, szName, rc);
2229
2230 /*
2231 * Insert the leaf into the table (replaces existing ones).
2232 */
2233 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
2234 &Leaf);
2235 if (RT_FAILURE(rc))
2236 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2237 }
2238
2239 return VINF_SUCCESS;
2240}
2241
2242
2243
2244/**
2245 * Fetches overrides for a CPUID leaf.
2246 *
2247 * @returns VBox status code.
2248 * @param pLeaf The leaf to load the overrides into.
2249 * @param pCfgNode The CFGM node containing the overrides
2250 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2251 * @param iLeaf The CPUID leaf number.
2252 */
2253static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2254{
2255 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2256 if (pLeafNode)
2257 {
2258 uint32_t u32;
2259 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2260 if (RT_SUCCESS(rc))
2261 pLeaf->uEax = u32;
2262 else
2263 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2264
2265 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2266 if (RT_SUCCESS(rc))
2267 pLeaf->uEbx = u32;
2268 else
2269 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2270
2271 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2272 if (RT_SUCCESS(rc))
2273 pLeaf->uEcx = u32;
2274 else
2275 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2276
2277 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2278 if (RT_SUCCESS(rc))
2279 pLeaf->uEdx = u32;
2280 else
2281 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2282
2283 }
2284 return VINF_SUCCESS;
2285}
2286
2287
2288/**
2289 * Load the overrides for a set of CPUID leaves.
2290 *
2291 * @returns VBox status code.
2292 * @param paLeaves The leaf array.
2293 * @param cLeaves The number of leaves.
2294 * @param uStart The start leaf number.
2295 * @param pCfgNode The CFGM node containing the overrides
2296 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2297 */
2298static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2299{
2300 for (uint32_t i = 0; i < cLeaves; i++)
2301 {
2302 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2303 if (RT_FAILURE(rc))
2304 return rc;
2305 }
2306
2307 return VINF_SUCCESS;
2308}
2309
2310
2311/**
2312 * Installs the CPUID leaves and explods the data into structures like
2313 * GuestFeatures and CPUMCTX::aoffXState.
2314 *
2315 * @returns VBox status code.
2316 * @param pVM The cross context VM structure.
2317 * @param pCpum The CPUM part of @a VM.
2318 * @param paLeaves The leaves. These will be copied (but not freed).
2319 * @param cLeaves The number of leaves.
2320 * @param pMsrs The MSRs.
2321 */
2322static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs)
2323{
2324 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2325
2326 /*
2327 * Install the CPUID information.
2328 */
2329 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2330 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2331
2332 AssertLogRelRCReturn(rc, rc);
2333 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2334 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2335 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2336
2337 /*
2338 * Update the default CPUID leaf if necessary.
2339 */
2340 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2341 {
2342 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2343 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2344 {
2345 /* We don't use CPUID(0).eax here because of the NT hack that only
2346 changes that value without actually removing any leaves. */
2347 uint32_t i = 0;
2348 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2349 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2350 {
2351 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2352 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2353 i++;
2354 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2355 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2356 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2357 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2358 }
2359 break;
2360 }
2361 default:
2362 break;
2363 }
2364
2365 /*
2366 * Explode the guest CPU features.
2367 */
2368 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, pMsrs,
2369 &pCpum->GuestFeatures);
2370 AssertLogRelRCReturn(rc, rc);
2371
2372 /*
2373 * Adjust the scalable bus frequency according to the CPUID information
2374 * we're now using.
2375 */
2376 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2377 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2378 ? UINT64_C(100000000) /* 100MHz */
2379 : UINT64_C(133333333); /* 133MHz */
2380
2381 /*
2382 * Populate the legacy arrays. Currently used for everything, later only
2383 * for patch manager.
2384 */
2385 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2386 {
2387 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2388 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2389 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2390 };
2391 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2392 {
2393 uint32_t cLeft = aOldRanges[i].cCpuIds;
2394 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2395 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2396 while (cLeft-- > 0)
2397 {
2398 uLeaf--;
2399 pLegacyLeaf--;
2400
2401 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2402 if (pLeaf)
2403 {
2404 pLegacyLeaf->uEax = pLeaf->uEax;
2405 pLegacyLeaf->uEbx = pLeaf->uEbx;
2406 pLegacyLeaf->uEcx = pLeaf->uEcx;
2407 pLegacyLeaf->uEdx = pLeaf->uEdx;
2408 }
2409 else
2410 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2411 }
2412 }
2413
2414 /*
2415 * Configure XSAVE offsets according to the CPUID info and set the feature flags.
2416 */
2417 PVMCPU pVCpu0 = pVM->apCpusR3[0];
2418 memset(&pVCpu0->cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVCpu0->cpum.s.Guest.aoffXState));
2419 pVCpu0->cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2420 pVCpu0->cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2421 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2422 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2423 {
2424 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2425 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2426 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2427 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2428 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2429 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2430 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2431 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2432 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2433 pCpum->GuestFeatures.cbMaxExtendedState),
2434 VERR_CPUM_IPE_1);
2435 pVCpu0->cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2436 }
2437
2438 /* Copy the CPU #0 data to the other CPUs. */
2439 for (VMCPUID idCpu = 1; idCpu < pVM->cCpus; idCpu++)
2440 {
2441 PVMCPU pVCpu = pVM->apCpusR3[idCpu];
2442 memcpy(&pVCpu->cpum.s.Guest.aoffXState[0], &pVCpu0->cpum.s.Guest.aoffXState[0], sizeof(pVCpu0->cpum.s.Guest.aoffXState));
2443 }
2444
2445 return VINF_SUCCESS;
2446}
2447
2448
2449/** @name Instruction Set Extension Options
2450 * @{ */
2451/** Configuration option type (extended boolean, really). */
2452typedef uint8_t CPUMISAEXTCFG;
2453/** Always disable the extension. */
2454#define CPUMISAEXTCFG_DISABLED false
2455/** Enable the extension if it's supported by the host CPU. */
2456#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2457/** Enable the extension if it's supported by the host CPU, but don't let
2458 * the portable CPUID feature disable it. */
2459#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2460/** Always enable the extension. */
2461#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2462/** @} */
2463
2464/**
2465 * CPUID Configuration (from CFGM).
2466 *
2467 * @remarks The members aren't document since we would only be duplicating the
2468 * \@cfgm entries in cpumR3CpuIdReadConfig.
2469 */
2470typedef struct CPUMCPUIDCONFIG
2471{
2472 bool fNt4LeafLimit;
2473 bool fInvariantTsc;
2474 bool fForceVme;
2475 bool fNestedHWVirt;
2476
2477 CPUMISAEXTCFG enmCmpXchg16b;
2478 CPUMISAEXTCFG enmMonitor;
2479 CPUMISAEXTCFG enmMWaitExtensions;
2480 CPUMISAEXTCFG enmSse41;
2481 CPUMISAEXTCFG enmSse42;
2482 CPUMISAEXTCFG enmAvx;
2483 CPUMISAEXTCFG enmAvx2;
2484 CPUMISAEXTCFG enmXSave;
2485 CPUMISAEXTCFG enmAesNi;
2486 CPUMISAEXTCFG enmPClMul;
2487 CPUMISAEXTCFG enmPopCnt;
2488 CPUMISAEXTCFG enmMovBe;
2489 CPUMISAEXTCFG enmRdRand;
2490 CPUMISAEXTCFG enmRdSeed;
2491 CPUMISAEXTCFG enmCLFlushOpt;
2492 CPUMISAEXTCFG enmFsGsBase;
2493 CPUMISAEXTCFG enmPcid;
2494 CPUMISAEXTCFG enmInvpcid;
2495 CPUMISAEXTCFG enmFlushCmdMsr;
2496 CPUMISAEXTCFG enmMdsClear;
2497 CPUMISAEXTCFG enmArchCapMsr;
2498
2499 CPUMISAEXTCFG enmAbm;
2500 CPUMISAEXTCFG enmSse4A;
2501 CPUMISAEXTCFG enmMisAlnSse;
2502 CPUMISAEXTCFG enm3dNowPrf;
2503 CPUMISAEXTCFG enmAmdExtMmx;
2504
2505 uint32_t uMaxStdLeaf;
2506 uint32_t uMaxExtLeaf;
2507 uint32_t uMaxCentaurLeaf;
2508 uint32_t uMaxIntelFamilyModelStep;
2509 char szCpuName[128];
2510} CPUMCPUIDCONFIG;
2511/** Pointer to CPUID config (from CFGM). */
2512typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2513
2514
2515/**
2516 * Mini CPU selection support for making Mac OS X happy.
2517 *
2518 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2519 *
2520 * @param pCpum The CPUM instance data.
2521 * @param pConfig The CPUID configuration we've read from CFGM.
2522 */
2523static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2524{
2525 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2526 {
2527 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2528 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2529 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2530 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2531 0);
2532 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2533 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2534 {
2535 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2536 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2537 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2538 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2539 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2540 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2541 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2542 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2543 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2544 pStdFeatureLeaf->uEax = uNew;
2545 }
2546 }
2547}
2548
2549
2550
2551/**
2552 * Limit it the number of entries, zapping the remainder.
2553 *
2554 * The limits are masking off stuff about power saving and similar, this
2555 * is perhaps a bit crudely done as there is probably some relatively harmless
2556 * info too in these leaves (like words about having a constant TSC).
2557 *
2558 * @param pCpum The CPUM instance data.
2559 * @param pConfig The CPUID configuration we've read from CFGM.
2560 */
2561static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2562{
2563 /*
2564 * Standard leaves.
2565 */
2566 uint32_t uSubLeaf = 0;
2567 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2568 if (pCurLeaf)
2569 {
2570 uint32_t uLimit = pCurLeaf->uEax;
2571 if (uLimit <= UINT32_C(0x000fffff))
2572 {
2573 if (uLimit > pConfig->uMaxStdLeaf)
2574 {
2575 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2576 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2577 uLimit + 1, UINT32_C(0x000fffff));
2578 }
2579
2580 /* NT4 hack, no zapping of extra leaves here. */
2581 if (pConfig->fNt4LeafLimit && uLimit > 3)
2582 pCurLeaf->uEax = uLimit = 3;
2583
2584 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2585 pCurLeaf->uEax = uLimit;
2586 }
2587 else
2588 {
2589 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2590 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2591 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2592 }
2593 }
2594
2595 /*
2596 * Extended leaves.
2597 */
2598 uSubLeaf = 0;
2599 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2600 if (pCurLeaf)
2601 {
2602 uint32_t uLimit = pCurLeaf->uEax;
2603 if ( uLimit >= UINT32_C(0x80000000)
2604 && uLimit <= UINT32_C(0x800fffff))
2605 {
2606 if (uLimit > pConfig->uMaxExtLeaf)
2607 {
2608 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2609 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2610 uLimit + 1, UINT32_C(0x800fffff));
2611 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2612 pCurLeaf->uEax = uLimit;
2613 }
2614 }
2615 else
2616 {
2617 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2618 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2619 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2620 }
2621 }
2622
2623 /*
2624 * Centaur leaves (VIA).
2625 */
2626 uSubLeaf = 0;
2627 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2628 if (pCurLeaf)
2629 {
2630 uint32_t uLimit = pCurLeaf->uEax;
2631 if ( uLimit >= UINT32_C(0xc0000000)
2632 && uLimit <= UINT32_C(0xc00fffff))
2633 {
2634 if (uLimit > pConfig->uMaxCentaurLeaf)
2635 {
2636 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2637 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2638 uLimit + 1, UINT32_C(0xcfffffff));
2639 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2640 pCurLeaf->uEax = uLimit;
2641 }
2642 }
2643 else
2644 {
2645 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2646 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2647 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2648 }
2649 }
2650}
2651
2652
2653/**
2654 * Clears a CPUID leaf and all sub-leaves (to zero).
2655 *
2656 * @param pCpum The CPUM instance data.
2657 * @param uLeaf The leaf to clear.
2658 */
2659static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2660{
2661 uint32_t uSubLeaf = 0;
2662 PCPUMCPUIDLEAF pCurLeaf;
2663 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2664 {
2665 pCurLeaf->uEax = 0;
2666 pCurLeaf->uEbx = 0;
2667 pCurLeaf->uEcx = 0;
2668 pCurLeaf->uEdx = 0;
2669 uSubLeaf++;
2670 }
2671}
2672
2673
2674/**
2675 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2676 * the given leaf.
2677 *
2678 * @returns pLeaf.
2679 * @param pCpum The CPUM instance data.
2680 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2681 */
2682static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2683{
2684 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2685 if (pLeaf->fSubLeafMask != 0)
2686 {
2687 /*
2688 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2689 * Log everything while we're at it.
2690 */
2691 LogRel(("CPUM:\n"
2692 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2693 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2694 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2695 for (;;)
2696 {
2697 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2698 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2699 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2700 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2701 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2702 break;
2703 pSubLeaf++;
2704 }
2705 LogRel(("CPUM:\n"));
2706
2707 /*
2708 * Remove the offending sub-leaves.
2709 */
2710 if (pSubLeaf != pLeaf)
2711 {
2712 if (pSubLeaf != pLast)
2713 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2714 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2715 }
2716
2717 /*
2718 * Convert the first sub-leaf into a single leaf.
2719 */
2720 pLeaf->uSubLeaf = 0;
2721 pLeaf->fSubLeafMask = 0;
2722 }
2723 return pLeaf;
2724}
2725
2726
2727/**
2728 * Sanitizes and adjust the CPUID leaves.
2729 *
2730 * Drop features that aren't virtualized (or virtualizable). Adjust information
2731 * and capabilities to fit the virtualized hardware. Remove information the
2732 * guest shouldn't have (because it's wrong in the virtual world or because it
2733 * gives away host details) or that we don't have documentation for and no idea
2734 * what means.
2735 *
2736 * @returns VBox status code.
2737 * @param pVM The cross context VM structure (for cCpus).
2738 * @param pCpum The CPUM instance data.
2739 * @param pConfig The CPUID configuration we've read from CFGM.
2740 */
2741static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2742{
2743#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2744 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2745 { \
2746 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2747 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2748 }
2749#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2750 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2751 { \
2752 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2753 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2754 }
2755#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2756 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2757 && ((a_pLeafReg) & (fBitMask)) \
2758 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2759 { \
2760 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2761 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2762 }
2763 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2764
2765 /* Cpuid 1:
2766 * EAX: CPU model, family and stepping.
2767 *
2768 * ECX + EDX: Supported features. Only report features we can support.
2769 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2770 * options may require adjusting (i.e. stripping what was enabled).
2771 *
2772 * EBX: Branding, CLFLUSH line size, logical processors per package and
2773 * initial APIC ID.
2774 */
2775 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2776 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2777 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2778
2779 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2780 | X86_CPUID_FEATURE_EDX_VME
2781 | X86_CPUID_FEATURE_EDX_DE
2782 | X86_CPUID_FEATURE_EDX_PSE
2783 | X86_CPUID_FEATURE_EDX_TSC
2784 | X86_CPUID_FEATURE_EDX_MSR
2785 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2786 | X86_CPUID_FEATURE_EDX_MCE
2787 | X86_CPUID_FEATURE_EDX_CX8
2788 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2789 //| RT_BIT_32(10) - not defined
2790 /* 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}) */
2791 //| X86_CPUID_FEATURE_EDX_SEP
2792 | X86_CPUID_FEATURE_EDX_MTRR
2793 | X86_CPUID_FEATURE_EDX_PGE
2794 | X86_CPUID_FEATURE_EDX_MCA
2795 | X86_CPUID_FEATURE_EDX_CMOV
2796 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2797 | X86_CPUID_FEATURE_EDX_PSE36
2798 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2799 | X86_CPUID_FEATURE_EDX_CLFSH
2800 //| RT_BIT_32(20) - not defined
2801 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2802 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2803 | X86_CPUID_FEATURE_EDX_MMX
2804 | X86_CPUID_FEATURE_EDX_FXSR
2805 | X86_CPUID_FEATURE_EDX_SSE
2806 | X86_CPUID_FEATURE_EDX_SSE2
2807 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2808 | X86_CPUID_FEATURE_EDX_HTT
2809 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2810 //| RT_BIT_32(30) - not defined
2811 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2812 ;
2813 pStdFeatureLeaf->uEcx &= 0
2814 | X86_CPUID_FEATURE_ECX_SSE3
2815 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2816 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2817 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2818 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2819 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2820 | (pConfig->fNestedHWVirt ? X86_CPUID_FEATURE_ECX_VMX : 0)
2821 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2822 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2823 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2824 | X86_CPUID_FEATURE_ECX_SSSE3
2825 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2826 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2827 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2828 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2829 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2830 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2831 | (pConfig->enmPcid ? X86_CPUID_FEATURE_ECX_PCID : 0)
2832 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2833 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2834 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2835 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2836 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2837 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2838 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2839 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2840 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2841 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2842 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2843 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2844 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2845 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2846 ;
2847
2848 /* Mask out PCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
2849 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
2850 && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_PCID))
2851 {
2852 pStdFeatureLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_PCID;
2853 LogRel(("CPUM: Disabled PCID without FSGSBASE to workaround buggy guests\n"));
2854 }
2855
2856 if (pCpum->u8PortableCpuIdLevel > 0)
2857 {
2858 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2859 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2860 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCID, X86_CPUID_FEATURE_ECX_PCID, pConfig->enmPcid);
2861 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2862 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2863 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2864 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2865 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, VMX, X86_CPUID_FEATURE_ECX_VMX);
2866 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2867 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2868 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2869 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2870 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2871 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2872 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2873 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2874 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2875 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2876 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2877 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2878
2879 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2880 | X86_CPUID_FEATURE_EDX_PSN
2881 | X86_CPUID_FEATURE_EDX_DS
2882 | X86_CPUID_FEATURE_EDX_ACPI
2883 | X86_CPUID_FEATURE_EDX_SS
2884 | X86_CPUID_FEATURE_EDX_TM
2885 | X86_CPUID_FEATURE_EDX_PBE
2886 )));
2887 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2888 | X86_CPUID_FEATURE_ECX_CPLDS
2889 | X86_CPUID_FEATURE_ECX_AES
2890 | X86_CPUID_FEATURE_ECX_VMX
2891 | X86_CPUID_FEATURE_ECX_SMX
2892 | X86_CPUID_FEATURE_ECX_EST
2893 | X86_CPUID_FEATURE_ECX_TM2
2894 | X86_CPUID_FEATURE_ECX_CNTXID
2895 | X86_CPUID_FEATURE_ECX_FMA
2896 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2897 | X86_CPUID_FEATURE_ECX_PDCM
2898 | X86_CPUID_FEATURE_ECX_DCA
2899 | X86_CPUID_FEATURE_ECX_OSXSAVE
2900 )));
2901 }
2902
2903 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2904 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2905
2906 /* The HTT bit is architectural and does not directly indicate hyper-threading or multiple cores;
2907 * it was set even on single-core/non-HT Northwood P4s for example. The HTT bit only means that the
2908 * information in EBX[23:16] (max number of addressable logical processor IDs) is valid.
2909 */
2910#ifdef VBOX_WITH_MULTI_CORE
2911 if (pVM->cCpus > 1)
2912 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* Force if emulating a multi-core CPU. */
2913#endif
2914 if (pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_HTT)
2915 {
2916 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2917 core times the number of CPU cores per processor */
2918#ifdef VBOX_WITH_MULTI_CORE
2919 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2920#else
2921 /* Single logical processor in a package. */
2922 pStdFeatureLeaf->uEbx |= (1 << 16);
2923#endif
2924 }
2925
2926 uint32_t uMicrocodeRev;
2927 int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2928 if (RT_SUCCESS(rc))
2929 {
2930 LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2931 }
2932 else
2933 {
2934 uMicrocodeRev = 0;
2935 LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2936 }
2937
2938 /* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2939 * VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2940 */
2941 if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2942 && uMicrocodeRev < 0x8001126
2943 && !pConfig->fForceVme)
2944 {
2945 /** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2946 LogRel(("CPUM: Zen VME workaround engaged\n"));
2947 pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2948 }
2949
2950 /* Force standard feature bits. */
2951 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2952 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2953 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2954 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2955 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2956 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2957 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2958 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2959 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2960 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2961 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2962 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2963 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2964 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2965 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2966 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2967 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2968 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2969 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2970 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2971 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2972 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2973
2974 pStdFeatureLeaf = NULL; /* Must refetch! */
2975
2976 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2977 * AMD:
2978 * EAX: CPU model, family and stepping.
2979 *
2980 * ECX + EDX: Supported features. Only report features we can support.
2981 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2982 * options may require adjusting (i.e. stripping what was enabled).
2983 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2984 *
2985 * EBX: Branding ID and package type (or reserved).
2986 *
2987 * Intel and probably most others:
2988 * EAX: 0
2989 * EBX: 0
2990 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2991 */
2992 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2993 if (pExtFeatureLeaf)
2994 {
2995 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2996
2997 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2998 | X86_CPUID_AMD_FEATURE_EDX_VME
2999 | X86_CPUID_AMD_FEATURE_EDX_DE
3000 | X86_CPUID_AMD_FEATURE_EDX_PSE
3001 | X86_CPUID_AMD_FEATURE_EDX_TSC
3002 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
3003 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
3004 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
3005 | X86_CPUID_AMD_FEATURE_EDX_CX8
3006 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
3007 //| RT_BIT_32(10) - reserved
3008 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
3009 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
3010 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
3011 | X86_CPUID_AMD_FEATURE_EDX_MTRR
3012 | X86_CPUID_AMD_FEATURE_EDX_PGE
3013 | X86_CPUID_AMD_FEATURE_EDX_MCA
3014 | X86_CPUID_AMD_FEATURE_EDX_CMOV
3015 | X86_CPUID_AMD_FEATURE_EDX_PAT
3016 | X86_CPUID_AMD_FEATURE_EDX_PSE36
3017 //| RT_BIT_32(18) - reserved
3018 //| RT_BIT_32(19) - reserved
3019 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
3020 //| RT_BIT_32(21) - reserved
3021 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
3022 | X86_CPUID_AMD_FEATURE_EDX_MMX
3023 | X86_CPUID_AMD_FEATURE_EDX_FXSR
3024 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
3025 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
3026 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
3027 //| RT_BIT_32(28) - reserved
3028 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
3029 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
3030 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
3031 ;
3032 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
3033 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
3034 | (pConfig->fNestedHWVirt ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
3035 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
3036 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
3037 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
3038 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
3039 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
3040 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
3041 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
3042 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
3043 //| X86_CPUID_AMD_FEATURE_ECX_IBS
3044 //| X86_CPUID_AMD_FEATURE_ECX_XOP
3045 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
3046 //| X86_CPUID_AMD_FEATURE_ECX_WDT
3047 //| RT_BIT_32(14) - reserved
3048 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
3049 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
3050 //| RT_BIT_32(17) - reserved
3051 //| RT_BIT_32(18) - reserved
3052 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
3053 //| RT_BIT_32(20) - reserved
3054 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
3055 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
3056 //| RT_BIT_32(23) - reserved
3057 //| RT_BIT_32(24) - reserved
3058 //| RT_BIT_32(25) - reserved
3059 //| RT_BIT_32(26) - reserved
3060 //| RT_BIT_32(27) - reserved
3061 //| RT_BIT_32(28) - reserved
3062 //| RT_BIT_32(29) - reserved
3063 //| RT_BIT_32(30) - reserved
3064 //| RT_BIT_32(31) - reserved
3065 ;
3066#ifdef VBOX_WITH_MULTI_CORE
3067 if ( pVM->cCpus > 1
3068 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3069 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
3070#endif
3071
3072 if (pCpum->u8PortableCpuIdLevel > 0)
3073 {
3074 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
3075 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM);
3076 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
3077 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
3078 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
3079 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
3080 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
3081 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
3082 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
3083 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
3084 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
3085 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
3086 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
3087 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
3088 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
3089 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
3090
3091 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
3092 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
3093 | X86_CPUID_AMD_FEATURE_ECX_OSVW
3094 | X86_CPUID_AMD_FEATURE_ECX_IBS
3095 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
3096 | X86_CPUID_AMD_FEATURE_ECX_WDT
3097 | X86_CPUID_AMD_FEATURE_ECX_LWP
3098 | X86_CPUID_AMD_FEATURE_ECX_NODEID
3099 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
3100 | UINT32_C(0xff964000)
3101 )));
3102 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
3103 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
3104 | RT_BIT(18)
3105 | RT_BIT(19)
3106 | RT_BIT(21)
3107 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
3108 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
3109 | RT_BIT(28)
3110 )));
3111 }
3112
3113 /* Force extended feature bits. */
3114 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
3115 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
3116 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
3117 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
3118 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
3119 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
3120 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
3121 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
3122 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
3123 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
3124 }
3125 pExtFeatureLeaf = NULL; /* Must refetch! */
3126
3127
3128 /* Cpuid 2:
3129 * Intel: (Nondeterministic) Cache and TLB information
3130 * AMD: Reserved
3131 * VIA: Reserved
3132 * Safe to expose.
3133 */
3134 uint32_t uSubLeaf = 0;
3135 PCPUMCPUIDLEAF pCurLeaf;
3136 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
3137 {
3138 if ((pCurLeaf->uEax & 0xff) > 1)
3139 {
3140 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
3141 pCurLeaf->uEax &= UINT32_C(0xffffff01);
3142 }
3143 uSubLeaf++;
3144 }
3145
3146 /* Cpuid 3:
3147 * Intel: EAX, EBX - reserved (transmeta uses these)
3148 * ECX, EDX - Processor Serial Number if available, otherwise reserved
3149 * AMD: Reserved
3150 * VIA: Reserved
3151 * Safe to expose
3152 */
3153 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3154 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
3155 {
3156 uSubLeaf = 0;
3157 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
3158 {
3159 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3160 if (pCpum->u8PortableCpuIdLevel > 0)
3161 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3162 uSubLeaf++;
3163 }
3164 }
3165
3166 /* Cpuid 4 + ECX:
3167 * Intel: Deterministic Cache Parameters Leaf.
3168 * AMD: Reserved
3169 * VIA: Reserved
3170 * Safe to expose, except for EAX:
3171 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
3172 * Bits 31-26: Maximum number of processor cores in this physical package**
3173 * Note: These SMP values are constant regardless of ECX
3174 */
3175 uSubLeaf = 0;
3176 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
3177 {
3178 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
3179#ifdef VBOX_WITH_MULTI_CORE
3180 if ( pVM->cCpus > 1
3181 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
3182 {
3183 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
3184 /* One logical processor with possibly multiple cores. */
3185 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
3186 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
3187 }
3188#endif
3189 uSubLeaf++;
3190 }
3191
3192 /* Cpuid 5: Monitor/mwait Leaf
3193 * Intel: ECX, EDX - reserved
3194 * EAX, EBX - Smallest and largest monitor line size
3195 * AMD: EDX - reserved
3196 * EAX, EBX - Smallest and largest monitor line size
3197 * ECX - extensions (ignored for now)
3198 * VIA: Reserved
3199 * Safe to expose
3200 */
3201 uSubLeaf = 0;
3202 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
3203 {
3204 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3205 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
3206 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
3207
3208 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3209 if (pConfig->enmMWaitExtensions)
3210 {
3211 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
3212 /** @todo for now we just expose host's MWAIT C-states, although conceptually
3213 it shall be part of our power management virtualization model */
3214#if 0
3215 /* MWAIT sub C-states */
3216 pCurLeaf->uEdx =
3217 (0 << 0) /* 0 in C0 */ |
3218 (2 << 4) /* 2 in C1 */ |
3219 (2 << 8) /* 2 in C2 */ |
3220 (2 << 12) /* 2 in C3 */ |
3221 (0 << 16) /* 0 in C4 */
3222 ;
3223#endif
3224 }
3225 else
3226 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
3227 uSubLeaf++;
3228 }
3229
3230 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
3231 * Intel: Various stuff.
3232 * AMD: EAX, EBX, EDX - reserved.
3233 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
3234 * present. Same as intel.
3235 * VIA: ??
3236 *
3237 * We clear everything here for now.
3238 */
3239 cpumR3CpuIdZeroLeaf(pCpum, 6);
3240
3241 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
3242 * EAX: Number of sub leaves.
3243 * EBX+ECX+EDX: Feature flags
3244 *
3245 * We only have documentation for one sub-leaf, so clear all other (no need
3246 * to remove them as such, just set them to zero).
3247 *
3248 * Note! When enabling new features the Synthetic CPU and Portable CPUID
3249 * options may require adjusting (i.e. stripping what was enabled).
3250 */
3251 uSubLeaf = 0;
3252 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
3253 {
3254 switch (uSubLeaf)
3255 {
3256 case 0:
3257 {
3258 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3259 pCurLeaf->uEbx &= 0
3260 | (pConfig->enmFsGsBase ? X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE : 0)
3261 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3262 //| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3263 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3264 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3265 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3266 | X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3267 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3268 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3269 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3270 | (pConfig->enmInvpcid ? X86_CPUID_STEXT_FEATURE_EBX_INVPCID : 0)
3271 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3272 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3273 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3274 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3275 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3276 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3277 //| RT_BIT(17) - reserved
3278 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3279 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3280 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3281 //| RT_BIT(21) - reserved
3282 //| RT_BIT(22) - reserved
3283 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3284 //| RT_BIT(24) - reserved
3285 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3286 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3287 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3288 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3289 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3290 //| RT_BIT(30) - reserved
3291 //| RT_BIT(31) - reserved
3292 ;
3293 pCurLeaf->uEcx &= 0
3294 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3295 ;
3296 pCurLeaf->uEdx &= 0
3297 | (pConfig->enmMdsClear ? X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR : 0)
3298 //| X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB RT_BIT(26)
3299 //| X86_CPUID_STEXT_FEATURE_EDX_STIBP RT_BIT(27)
3300 | (pConfig->enmFlushCmdMsr ? X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD : 0)
3301 | (pConfig->enmArchCapMsr ? X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP : 0)
3302 ;
3303
3304 /* Mask out INVPCID unless FSGSBASE is exposed due to a bug in Windows 10 SMP guests, see @bugref{9089#c15}. */
3305 if ( !pVM->cpum.s.GuestFeatures.fFsGsBase
3306 && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID))
3307 {
3308 pCurLeaf->uEbx &= ~X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3309 LogRel(("CPUM: Disabled INVPCID without FSGSBASE to work around buggy guests\n"));
3310 }
3311
3312 if (pCpum->u8PortableCpuIdLevel > 0)
3313 {
3314 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE, pConfig->enmFsGsBase);
3315 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3316 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3317 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3318 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3319 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID, pConfig->enmInvpcid);
3320 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3321 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3322 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3323 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3324 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3325 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3326 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3327 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3328 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3329 PORTABLE_DISABLE_FEATURE_BIT_CFG(3, pCurLeaf->uEdx, FLUSH_CMD, X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD, pConfig->enmFlushCmdMsr);
3330 PORTABLE_DISABLE_FEATURE_BIT_CFG(3, pCurLeaf->uEdx, MD_CLEAR, X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR, pConfig->enmMdsClear);
3331 PORTABLE_DISABLE_FEATURE_BIT_CFG(3, pCurLeaf->uEdx, ARCHCAP, X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP, pConfig->enmArchCapMsr);
3332 }
3333
3334 /* Dependencies. */
3335 if (!(pCurLeaf->uEdx & X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD))
3336 pCurLeaf->uEdx &= ~X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR;
3337
3338 /* Force standard feature bits. */
3339 if (pConfig->enmFsGsBase == CPUMISAEXTCFG_ENABLED_ALWAYS)
3340 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE;
3341 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3342 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3343 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3344 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3345 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3346 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3347 if (pConfig->enmInvpcid == CPUMISAEXTCFG_ENABLED_ALWAYS)
3348 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_INVPCID;
3349 if (pConfig->enmFlushCmdMsr == CPUMISAEXTCFG_ENABLED_ALWAYS)
3350 pCurLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD;
3351 if (pConfig->enmMdsClear == CPUMISAEXTCFG_ENABLED_ALWAYS)
3352 pCurLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR;
3353 if (pConfig->enmArchCapMsr == CPUMISAEXTCFG_ENABLED_ALWAYS)
3354 pCurLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP;
3355 break;
3356 }
3357
3358 default:
3359 /* Invalid index, all values are zero. */
3360 pCurLeaf->uEax = 0;
3361 pCurLeaf->uEbx = 0;
3362 pCurLeaf->uEcx = 0;
3363 pCurLeaf->uEdx = 0;
3364 break;
3365 }
3366 uSubLeaf++;
3367 }
3368
3369 /* Cpuid 8: Marked as reserved by Intel and AMD.
3370 * We zero this since we don't know what it may have been used for.
3371 */
3372 cpumR3CpuIdZeroLeaf(pCpum, 8);
3373
3374 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3375 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3376 * EBX, ECX, EDX - reserved.
3377 * AMD: Reserved
3378 * VIA: ??
3379 *
3380 * We zero this.
3381 */
3382 cpumR3CpuIdZeroLeaf(pCpum, 9);
3383
3384 /* Cpuid 0xa: Architectural Performance Monitor Features
3385 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3386 * EBX, ECX, EDX - reserved.
3387 * AMD: Reserved
3388 * VIA: ??
3389 *
3390 * We zero this, for now at least.
3391 */
3392 cpumR3CpuIdZeroLeaf(pCpum, 10);
3393
3394 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3395 * Intel: EAX - APCI ID shift right for next level.
3396 * EBX - Factory configured cores/threads at this level.
3397 * ECX - Level number (same as input) and level type (1,2,0).
3398 * EDX - Extended initial APIC ID.
3399 * AMD: Reserved
3400 * VIA: ??
3401 */
3402 uSubLeaf = 0;
3403 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3404 {
3405 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3406 {
3407 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3408 if (bLevelType == 1)
3409 {
3410 /* Thread level - we don't do threads at the moment. */
3411 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3412 pCurLeaf->uEbx = 1;
3413 }
3414 else if (bLevelType == 2)
3415 {
3416 /* Core level. */
3417 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... */
3418#ifdef VBOX_WITH_MULTI_CORE
3419 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3420 pCurLeaf->uEax++;
3421#endif
3422 pCurLeaf->uEbx = pVM->cCpus;
3423 }
3424 else
3425 {
3426 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3427 pCurLeaf->uEax = 0;
3428 pCurLeaf->uEbx = 0;
3429 pCurLeaf->uEcx = 0;
3430 }
3431 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3432 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3433 }
3434 else
3435 {
3436 pCurLeaf->uEax = 0;
3437 pCurLeaf->uEbx = 0;
3438 pCurLeaf->uEcx = 0;
3439 pCurLeaf->uEdx = 0;
3440 }
3441 uSubLeaf++;
3442 }
3443
3444 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3445 * We zero this since we don't know what it may have been used for.
3446 */
3447 cpumR3CpuIdZeroLeaf(pCpum, 12);
3448
3449 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3450 * ECX=0: EAX - Valid bits in XCR0[31:0].
3451 * EBX - Maximum state size as per current XCR0 value.
3452 * ECX - Maximum state size for all supported features.
3453 * EDX - Valid bits in XCR0[63:32].
3454 * ECX=1: EAX - Various X-features.
3455 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3456 * ECX - Valid bits in IA32_XSS[31:0].
3457 * EDX - Valid bits in IA32_XSS[63:32].
3458 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3459 * if the bit invalid all four registers are set to zero.
3460 * EAX - The state size for this feature.
3461 * EBX - The state byte offset of this feature.
3462 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3463 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3464 *
3465 * Clear them all as we don't currently implement extended CPU state.
3466 */
3467 /* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3468 uint64_t fGuestXcr0Mask = 0;
3469 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3470 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3471 {
3472 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3473 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3474 fGuestXcr0Mask |= XSAVE_C_YMM;
3475 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3476 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3477 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3478 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3479
3480 pStdFeatureLeaf->fFlags |= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3481 }
3482 pStdFeatureLeaf = NULL;
3483 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3484
3485 /* Work the sub-leaves. */
3486 uint32_t cbXSaveMaxActual = CPUM_MIN_XSAVE_AREA_SIZE;
3487 uint32_t cbXSaveMaxReport = CPUM_MIN_XSAVE_AREA_SIZE;
3488 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3489 {
3490 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3491 if (pCurLeaf)
3492 {
3493 if (fGuestXcr0Mask)
3494 {
3495 switch (uSubLeaf)
3496 {
3497 case 0:
3498 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3499 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3500 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3501 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3502 VERR_CPUM_IPE_1);
3503 cbXSaveMaxActual = pCurLeaf->uEcx;
3504 AssertLogRelMsgReturn(cbXSaveMaxActual <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMaxActual >= CPUM_MIN_XSAVE_AREA_SIZE,
3505 ("%#x max=%#x\n", cbXSaveMaxActual, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3506 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMaxActual,
3507 ("ebx=%#x cbXSaveMaxActual=%#x\n", pCurLeaf->uEbx, cbXSaveMaxActual),
3508 VERR_CPUM_IPE_2);
3509 continue;
3510 case 1:
3511 pCurLeaf->uEax &= 0;
3512 pCurLeaf->uEcx &= 0;
3513 pCurLeaf->uEdx &= 0;
3514 /** @todo what about checking ebx? */
3515 continue;
3516 default:
3517 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3518 {
3519 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMaxActual
3520 && pCurLeaf->uEax > 0
3521 && pCurLeaf->uEbx < cbXSaveMaxActual
3522 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3523 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMaxActual,
3524 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3525 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMaxActual),
3526 VERR_CPUM_IPE_2);
3527 AssertLogRel(!(pCurLeaf->uEcx & 1));
3528 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3529 pCurLeaf->uEdx = 0; /* it's reserved... */
3530 if (pCurLeaf->uEbx + pCurLeaf->uEax > cbXSaveMaxReport)
3531 cbXSaveMaxReport = pCurLeaf->uEbx + pCurLeaf->uEax;
3532 continue;
3533 }
3534 break;
3535 }
3536 }
3537
3538 /* Clear the leaf. */
3539 pCurLeaf->uEax = 0;
3540 pCurLeaf->uEbx = 0;
3541 pCurLeaf->uEcx = 0;
3542 pCurLeaf->uEdx = 0;
3543 }
3544 }
3545
3546 /* Update the max and current feature sizes to shut up annoying Linux kernels. */
3547 if (cbXSaveMaxReport != cbXSaveMaxActual && fGuestXcr0Mask)
3548 {
3549 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, 0);
3550 if (pCurLeaf)
3551 {
3552 LogRel(("CPUM: Changing leaf 13[0]: EBX=%#RX32 -> %#RX32, ECX=%#RX32 -> %#RX32\n",
3553 pCurLeaf->uEbx, cbXSaveMaxReport, pCurLeaf->uEcx, cbXSaveMaxReport));
3554 pCurLeaf->uEbx = cbXSaveMaxReport;
3555 pCurLeaf->uEcx = cbXSaveMaxReport;
3556 }
3557 }
3558
3559 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3560 * We zero this since we don't know what it may have been used for.
3561 */
3562 cpumR3CpuIdZeroLeaf(pCpum, 14);
3563
3564 /* Cpuid 0xf + ECX: Platform quality of service monitoring (PQM),
3565 * also known as Intel Resource Director Technology (RDT) Monitoring
3566 * We zero this as we don't currently virtualize PQM.
3567 */
3568 cpumR3CpuIdZeroLeaf(pCpum, 15);
3569
3570 /* Cpuid 0x10 + ECX: Platform quality of service enforcement (PQE),
3571 * also known as Intel Resource Director Technology (RDT) Allocation
3572 * We zero this as we don't currently virtualize PQE.
3573 */
3574 cpumR3CpuIdZeroLeaf(pCpum, 16);
3575
3576 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3577 * We zero this since we don't know what it may have been used for.
3578 */
3579 cpumR3CpuIdZeroLeaf(pCpum, 17);
3580
3581 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3582 * We zero this as we don't currently virtualize this.
3583 */
3584 cpumR3CpuIdZeroLeaf(pCpum, 18);
3585
3586 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3587 * We zero this since we don't know what it may have been used for.
3588 */
3589 cpumR3CpuIdZeroLeaf(pCpum, 19);
3590
3591 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3592 * We zero this as we don't currently virtualize this.
3593 */
3594 cpumR3CpuIdZeroLeaf(pCpum, 20);
3595
3596 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3597 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3598 * EAX - denominator (unsigned).
3599 * EBX - numerator (unsigned).
3600 * ECX, EDX - reserved.
3601 * AMD: Reserved / undefined / not implemented.
3602 * VIA: Reserved / undefined / not implemented.
3603 * We zero this as we don't currently virtualize this.
3604 */
3605 cpumR3CpuIdZeroLeaf(pCpum, 21);
3606
3607 /* Cpuid 0x16: Processor frequency info
3608 * Intel: EAX - Core base frequency in MHz.
3609 * EBX - Core maximum frequency in MHz.
3610 * ECX - Bus (reference) frequency in MHz.
3611 * EDX - Reserved.
3612 * AMD: Reserved / undefined / not implemented.
3613 * VIA: Reserved / undefined / not implemented.
3614 * We zero this as we don't currently virtualize this.
3615 */
3616 cpumR3CpuIdZeroLeaf(pCpum, 22);
3617
3618 /* Cpuid 0x17..0x10000000: Unknown.
3619 * We don't know these and what they mean, so remove them. */
3620 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3621 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3622
3623
3624 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3625 * We remove all these as we're a hypervisor and must provide our own.
3626 */
3627 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3628 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3629
3630
3631 /* Cpuid 0x80000000 is harmless. */
3632
3633 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3634
3635 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3636
3637 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3638 * Safe to pass on to the guest.
3639 *
3640 * AMD: 0x800000005 L1 cache information
3641 * 0x800000006 L2/L3 cache information
3642 * Intel: 0x800000005 reserved
3643 * 0x800000006 L2 cache information
3644 * VIA: 0x800000005 TLB and L1 cache information
3645 * 0x800000006 L2 cache information
3646 */
3647
3648 /* Cpuid 0x800000007: Advanced Power Management Information.
3649 * AMD: EAX: Processor feedback capabilities.
3650 * EBX: RAS capabilites.
3651 * ECX: Advanced power monitoring interface.
3652 * EDX: Enhanced power management capabilities.
3653 * Intel: EAX, EBX, ECX - reserved.
3654 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3655 * VIA: Reserved
3656 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3657 */
3658 uSubLeaf = 0;
3659 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3660 {
3661 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3662 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3663 {
3664 /*
3665 * Older 64-bit linux kernels blindly assume that the AMD performance counters work
3666 * if X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR is set, see @bugref{7243#c85}. Exposing this
3667 * bit is now configurable.
3668 */
3669 pCurLeaf->uEdx &= 0
3670 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3671 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3672 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3673 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3674 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3675 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3676 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3677 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3678 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3679 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3680 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3681 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3682 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3683 | 0;
3684 }
3685 else
3686 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3687 if (!pConfig->fInvariantTsc)
3688 pCurLeaf->uEdx &= ~X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3689 uSubLeaf++;
3690 }
3691
3692 /* Cpuid 0x80000008:
3693 * AMD: EBX, EDX - reserved
3694 * EAX: Virtual/Physical/Guest address Size
3695 * ECX: Number of cores + APICIdCoreIdSize
3696 * Intel: EAX: Virtual/Physical address Size
3697 * EBX, ECX, EDX - reserved
3698 * VIA: EAX: Virtual/Physical address Size
3699 * EBX, ECX, EDX - reserved
3700 *
3701 * We only expose the virtual+pysical address size to the guest atm.
3702 * On AMD we set the core count, but not the apic id stuff as we're
3703 * currently not doing the apic id assignments in a complatible manner.
3704 */
3705 uSubLeaf = 0;
3706 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3707 {
3708 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3709 pCurLeaf->uEbx = 0; /* reserved - [12] == IBPB */
3710 pCurLeaf->uEdx = 0; /* reserved */
3711
3712 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3713 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3714 pCurLeaf->uEcx = 0;
3715#ifdef VBOX_WITH_MULTI_CORE
3716 if ( pVM->cCpus > 1
3717 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3718 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3719#endif
3720 uSubLeaf++;
3721 }
3722
3723 /* Cpuid 0x80000009: Reserved
3724 * We zero this since we don't know what it may have been used for.
3725 */
3726 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3727
3728 /* Cpuid 0x8000000a: SVM information on AMD, invalid on Intel.
3729 * AMD: EAX - SVM revision.
3730 * EBX - Number of ASIDs.
3731 * ECX - Reserved.
3732 * EDX - SVM Feature identification.
3733 */
3734 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3735 {
3736 pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3737 if ( pExtFeatureLeaf
3738 && (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM))
3739 {
3740 PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3741 if (pSvmFeatureLeaf)
3742 {
3743 pSvmFeatureLeaf->uEax = 0x1;
3744 pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3745 pSvmFeatureLeaf->uEcx = 0;
3746 pSvmFeatureLeaf->uEdx &= ( X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE /** @todo Support other SVM features */
3747 | X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID
3748 | X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
3749 }
3750 else
3751 {
3752 /* Should never happen. */
3753 LogRel(("CPUM: Warning! Expected CPUID leaf 0x8000000a not present! SVM features not exposed to the guest\n"));
3754 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3755 }
3756 }
3757 else
3758 {
3759 /* If SVM is not supported, this is reserved, zero out. */
3760 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3761 }
3762 }
3763 else
3764 {
3765 /* Cpuid 0x8000000a: Reserved on Intel.
3766 * We zero this since we don't know what it may have been used for.
3767 */
3768 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3769 }
3770
3771 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3772 * We clear these as we don't know what purpose they might have. */
3773 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3774 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3775
3776 /* Cpuid 0x80000019: TLB configuration
3777 * Seems to be harmless, pass them thru as is. */
3778
3779 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3780 * Strip anything we don't know what is or addresses feature we don't implement. */
3781 uSubLeaf = 0;
3782 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3783 {
3784 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3785 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3786 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3787 ;
3788 pCurLeaf->uEbx = 0; /* reserved */
3789 pCurLeaf->uEcx = 0; /* reserved */
3790 pCurLeaf->uEdx = 0; /* reserved */
3791 uSubLeaf++;
3792 }
3793
3794 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3795 * Clear this as we don't currently virtualize this feature. */
3796 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3797
3798 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3799 * Clear this as we don't currently virtualize this feature. */
3800 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3801
3802 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3803 * We need to sanitize the cores per cache (EAX[25:14]).
3804 *
3805 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3806 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3807 * slightly different meaning.
3808 */
3809 uSubLeaf = 0;
3810 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3811 {
3812#ifdef VBOX_WITH_MULTI_CORE
3813 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3814 if (cCores > pVM->cCpus)
3815 cCores = pVM->cCpus;
3816 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3817 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3818#else
3819 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3820#endif
3821 uSubLeaf++;
3822 }
3823
3824 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3825 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3826 * setup, we have one compute unit with all the cores in it. Single node.
3827 */
3828 uSubLeaf = 0;
3829 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3830 {
3831 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3832 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3833 {
3834#ifdef VBOX_WITH_MULTI_CORE
3835 pCurLeaf->uEbx = pVM->cCpus < 0x100
3836 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3837#else
3838 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3839#endif
3840 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3841 }
3842 else
3843 {
3844 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3845 pCurLeaf->uEbx = 0; /* Reserved. */
3846 pCurLeaf->uEcx = 0; /* Reserved. */
3847 }
3848 pCurLeaf->uEdx = 0; /* Reserved. */
3849 uSubLeaf++;
3850 }
3851
3852 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3853 * We don't know these and what they mean, so remove them. */
3854 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3855 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3856
3857 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3858 * Just pass it thru for now. */
3859
3860 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3861 * Just pass it thru for now. */
3862
3863 /* Cpuid 0xc0000000: Centaur stuff.
3864 * Harmless, pass it thru. */
3865
3866 /* Cpuid 0xc0000001: Centaur features.
3867 * VIA: EAX - Family, model, stepping.
3868 * EDX - Centaur extended feature flags. Nothing interesting, except may
3869 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3870 * EBX, ECX - reserved.
3871 * We keep EAX but strips the rest.
3872 */
3873 uSubLeaf = 0;
3874 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3875 {
3876 pCurLeaf->uEbx = 0;
3877 pCurLeaf->uEcx = 0;
3878 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3879 uSubLeaf++;
3880 }
3881
3882 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3883 * We only have fixed stale values, but should be harmless. */
3884
3885 /* Cpuid 0xc0000003: Reserved.
3886 * We zero this since we don't know what it may have been used for.
3887 */
3888 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3889
3890 /* Cpuid 0xc0000004: Centaur Performance Info.
3891 * We only have fixed stale values, but should be harmless. */
3892
3893
3894 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3895 * We don't know these and what they mean, so remove them. */
3896 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3897 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3898
3899 return VINF_SUCCESS;
3900#undef PORTABLE_DISABLE_FEATURE_BIT
3901#undef PORTABLE_CLEAR_BITS_WHEN
3902}
3903
3904
3905/**
3906 * Reads a value in /CPUM/IsaExts/ node.
3907 *
3908 * @returns VBox status code (error message raised).
3909 * @param pVM The cross context VM structure. (For errors.)
3910 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3911 * @param pszValueName The value / extension name.
3912 * @param penmValue Where to return the choice.
3913 * @param enmDefault The default choice.
3914 */
3915static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3916 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3917{
3918 /*
3919 * Try integer encoding first.
3920 */
3921 uint64_t uValue;
3922 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3923 if (RT_SUCCESS(rc))
3924 switch (uValue)
3925 {
3926 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3927 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3928 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3929 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3930 default:
3931 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3932 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3933 pszValueName, uValue);
3934 }
3935 /*
3936 * If missing, use default.
3937 */
3938 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3939 *penmValue = enmDefault;
3940 else
3941 {
3942 if (rc == VERR_CFGM_NOT_INTEGER)
3943 {
3944 /*
3945 * Not an integer, try read it as a string.
3946 */
3947 char szValue[32];
3948 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3949 if (RT_SUCCESS(rc))
3950 {
3951 RTStrToLower(szValue);
3952 size_t cchValue = strlen(szValue);
3953#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3954 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3955 *penmValue = CPUMISAEXTCFG_DISABLED;
3956 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3957 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3958 else if (EQ("forced") || EQ("force") || EQ("always"))
3959 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3960 else if (EQ("portable"))
3961 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3962 else if (EQ("default") || EQ("def"))
3963 *penmValue = enmDefault;
3964 else
3965 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3966 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3967 pszValueName, uValue);
3968#undef EQ
3969 }
3970 }
3971 if (RT_FAILURE(rc))
3972 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3973 }
3974 return VINF_SUCCESS;
3975}
3976
3977
3978/**
3979 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3980 *
3981 * @returns VBox status code (error message raised).
3982 * @param pVM The cross context VM structure. (For errors.)
3983 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3984 * @param pszValueName The value / extension name.
3985 * @param penmValue Where to return the choice.
3986 * @param enmDefault The default choice.
3987 * @param fAllowed Allowed choice. Applied both to the result and to
3988 * the default value.
3989 */
3990static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3991 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3992{
3993 int rc;
3994 if (fAllowed)
3995 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3996 else
3997 {
3998 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3999 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
4000 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
4001 *penmValue = CPUMISAEXTCFG_DISABLED;
4002 }
4003 return rc;
4004}
4005
4006
4007/**
4008 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
4009 *
4010 * @returns VBox status code (error message raised).
4011 * @param pVM The cross context VM structure. (For errors.)
4012 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
4013 * @param pCpumCfg The /CPUM node (can be NULL).
4014 * @param pszValueName The value / extension name.
4015 * @param penmValue Where to return the choice.
4016 * @param enmDefault The default choice.
4017 */
4018static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
4019 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
4020{
4021 if (CFGMR3Exists(pCpumCfg, pszValueName))
4022 {
4023 if (!CFGMR3Exists(pIsaExts, pszValueName))
4024 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
4025 else
4026 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
4027 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
4028 pszValueName, pszValueName);
4029
4030 bool fLegacy;
4031 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
4032 if (RT_SUCCESS(rc))
4033 {
4034 *penmValue = fLegacy;
4035 return VINF_SUCCESS;
4036 }
4037 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
4038 }
4039
4040 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
4041}
4042
4043
4044static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
4045{
4046 int rc;
4047
4048 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
4049 * When non-zero CPUID features that could cause portability issues will be
4050 * stripped. The higher the value the more features gets stripped. Higher
4051 * values should only be used when older CPUs are involved since it may
4052 * harm performance and maybe also cause problems with specific guests. */
4053 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
4054 AssertLogRelRCReturn(rc, rc);
4055
4056 /** @cfgm{/CPUM/GuestCpuName, string}
4057 * The name of the CPU we're to emulate. The default is the host CPU.
4058 * Note! CPUs other than "host" one is currently unsupported. */
4059 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
4060 AssertLogRelRCReturn(rc, rc);
4061
4062 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
4063 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
4064 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
4065 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
4066 */
4067 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
4068 AssertLogRelRCReturn(rc, rc);
4069
4070 /** @cfgm{/CPUM/InvariantTsc, boolean, true}
4071 * Pass-through the invariant TSC flag in 0x80000007 if available on the host
4072 * CPU. On AMD CPUs, users may wish to suppress it to avoid trouble from older
4073 * 64-bit linux guests which assume the presence of AMD performance counters
4074 * that we do not virtualize.
4075 */
4076 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, true);
4077 AssertLogRelRCReturn(rc, rc);
4078
4079 /** @cfgm{/CPUM/ForceVme, boolean, false}
4080 * Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
4081 * By default the flag is passed thru as is from the host CPU, except
4082 * on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
4083 * guests and DOS boxes in general.
4084 */
4085 rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
4086 AssertLogRelRCReturn(rc, rc);
4087
4088 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
4089 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
4090 * probably going to be a temporary hack, so don't depend on this.
4091 * The 1st byte of the value is the stepping, the 2nd byte value is the model
4092 * number and the 3rd byte value is the family, and the 4th value must be zero.
4093 */
4094 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
4095 AssertLogRelRCReturn(rc, rc);
4096
4097 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
4098 * The last standard leaf to keep. The actual last value that is stored in EAX
4099 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
4100 * removed. (This works independently of and differently from NT4LeafLimit.)
4101 * The default is usually set to what we're able to reasonably sanitize.
4102 */
4103 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
4104 AssertLogRelRCReturn(rc, rc);
4105
4106 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
4107 * The last extended leaf to keep. The actual last value that is stored in EAX
4108 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
4109 * leaf are removed. The default is set to what we're able to sanitize.
4110 */
4111 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
4112 AssertLogRelRCReturn(rc, rc);
4113
4114 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
4115 * The last extended leaf to keep. The actual last value that is stored in EAX
4116 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
4117 * leaf are removed. The default is set to what we're able to sanitize.
4118 */
4119 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
4120 AssertLogRelRCReturn(rc, rc);
4121
4122 bool fQueryNestedHwvirt = false;
4123#ifdef VBOX_WITH_NESTED_HWVIRT_SVM
4124 fQueryNestedHwvirt |= RT_BOOL(pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD);
4125#endif
4126#ifdef VBOX_WITH_NESTED_HWVIRT_VMX
4127 fQueryNestedHwvirt |= RT_BOOL( pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL
4128 || pVM->cpum.s.HostFeatures.enmCpuVendor == CPUMCPUVENDOR_VIA);
4129#endif
4130 if (fQueryNestedHwvirt)
4131 {
4132 /** @cfgm{/CPUM/NestedHWVirt, bool, false}
4133 * Whether to expose the hardware virtualization (VMX/SVM) feature to the guest.
4134 * The default is false, and when enabled requires a 64-bit CPU with support for
4135 * nested-paging and AMD-V or unrestricted guest mode.
4136 */
4137 rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
4138 AssertLogRelRCReturn(rc, rc);
4139 if ( pConfig->fNestedHWVirt
4140 && !fNestedPagingAndFullGuestExec)
4141 return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
4142 "Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!\n");
4143
4144 /** @todo Think about enabling this later with NEM/KVM. */
4145 if ( pConfig->fNestedHWVirt
4146 && VM_IS_NEM_ENABLED(pVM))
4147 {
4148 LogRel(("CPUM: WARNING! Can't turn on nested VT-x/AMD-V when NEM is used!\n"));
4149 pConfig->fNestedHWVirt = false;
4150 }
4151 }
4152
4153 /*
4154 * Instruction Set Architecture (ISA) Extensions.
4155 */
4156 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
4157 if (pIsaExts)
4158 {
4159 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
4160 "CMPXCHG16B"
4161 "|MONITOR"
4162 "|MWaitExtensions"
4163 "|SSE4.1"
4164 "|SSE4.2"
4165 "|XSAVE"
4166 "|AVX"
4167 "|AVX2"
4168 "|AESNI"
4169 "|PCLMUL"
4170 "|POPCNT"
4171 "|MOVBE"
4172 "|RDRAND"
4173 "|RDSEED"
4174 "|CLFLUSHOPT"
4175 "|FSGSBASE"
4176 "|PCID"
4177 "|INVPCID"
4178 "|FlushCmdMsr"
4179 "|ABM"
4180 "|SSE4A"
4181 "|MISALNSSE"
4182 "|3DNOWPRF"
4183 "|AXMMX"
4184 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
4185 if (RT_FAILURE(rc))
4186 return rc;
4187 }
4188
4189 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
4190 * Expose CMPXCHG16B to the guest if supported by the host. For the time
4191 * being the default is to only do this for VMs with nested paging and AMD-V or
4192 * unrestricted guest mode.
4193 */
4194 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
4195 AssertLogRelRCReturn(rc, rc);
4196
4197 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
4198 * Expose MONITOR/MWAIT instructions to the guest.
4199 */
4200 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
4201 AssertLogRelRCReturn(rc, rc);
4202
4203 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
4204 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
4205 * break on interrupt feature (bit 1).
4206 */
4207 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
4208 AssertLogRelRCReturn(rc, rc);
4209
4210 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
4211 * Expose SSE4.1 to the guest if available.
4212 */
4213 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
4214 AssertLogRelRCReturn(rc, rc);
4215
4216 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
4217 * Expose SSE4.2 to the guest if available.
4218 */
4219 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
4220 AssertLogRelRCReturn(rc, rc);
4221
4222 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
4223 && pVM->cpum.s.HostFeatures.fXSaveRstor
4224 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor;
4225 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
4226
4227 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
4228 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
4229 * default is to only expose this to VMs with nested paging and AMD-V or
4230 * unrestricted guest execution mode. Not possible to force this one without
4231 * host support at the moment.
4232 */
4233 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
4234 fMayHaveXSave /*fAllowed*/);
4235 AssertLogRelRCReturn(rc, rc);
4236
4237 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
4238 * Expose the AVX instruction set extensions to the guest if available and
4239 * XSAVE is exposed too. For the time being the default is to only expose this
4240 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4241 */
4242 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
4243 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4244 AssertLogRelRCReturn(rc, rc);
4245
4246 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
4247 * Expose the AVX2 instruction set extensions to the guest if available and
4248 * XSAVE is exposed too. For the time being the default is to only expose this
4249 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
4250 */
4251 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
4252 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
4253 AssertLogRelRCReturn(rc, rc);
4254
4255 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
4256 * Whether to expose the AES instructions to the guest. For the time being the
4257 * default is to only do this for VMs with nested paging and AMD-V or
4258 * unrestricted guest mode.
4259 */
4260 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
4261 AssertLogRelRCReturn(rc, rc);
4262
4263 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
4264 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
4265 * being the default is to only do this for VMs with nested paging and AMD-V or
4266 * unrestricted guest mode.
4267 */
4268 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
4269 AssertLogRelRCReturn(rc, rc);
4270
4271 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
4272 * Whether to expose the POPCNT instructions to the guest. For the time
4273 * being the default is to only do this for VMs with nested paging and AMD-V or
4274 * unrestricted guest mode.
4275 */
4276 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
4277 AssertLogRelRCReturn(rc, rc);
4278
4279 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
4280 * Whether to expose the MOVBE instructions to the guest. For the time
4281 * being the default is to only do this for VMs with nested paging and AMD-V or
4282 * unrestricted guest mode.
4283 */
4284 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
4285 AssertLogRelRCReturn(rc, rc);
4286
4287 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
4288 * Whether to expose the RDRAND instructions to the guest. For the time being
4289 * the default is to only do this for VMs with nested paging and AMD-V or
4290 * unrestricted guest mode.
4291 */
4292 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
4293 AssertLogRelRCReturn(rc, rc);
4294
4295 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
4296 * Whether to expose the RDSEED instructions to the guest. For the time being
4297 * the default is to only do this for VMs with nested paging and AMD-V or
4298 * unrestricted guest mode.
4299 */
4300 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
4301 AssertLogRelRCReturn(rc, rc);
4302
4303 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
4304 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
4305 * being the default is to only do this for VMs with nested paging and AMD-V or
4306 * unrestricted guest mode.
4307 */
4308 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
4309 AssertLogRelRCReturn(rc, rc);
4310
4311 /** @cfgm{/CPUM/IsaExts/FSGSBASE, isaextcfg, true}
4312 * Whether to expose the read/write FSGSBASE instructions to the guest.
4313 */
4314 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FSGSBASE", &pConfig->enmFsGsBase, true);
4315 AssertLogRelRCReturn(rc, rc);
4316
4317 /** @cfgm{/CPUM/IsaExts/PCID, isaextcfg, true}
4318 * Whether to expose the PCID feature to the guest.
4319 */
4320 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCID", &pConfig->enmPcid, pConfig->enmFsGsBase);
4321 AssertLogRelRCReturn(rc, rc);
4322
4323 /** @cfgm{/CPUM/IsaExts/INVPCID, isaextcfg, true}
4324 * Whether to expose the INVPCID instruction to the guest.
4325 */
4326 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "INVPCID", &pConfig->enmInvpcid, pConfig->enmFsGsBase);
4327 AssertLogRelRCReturn(rc, rc);
4328
4329 /** @cfgm{/CPUM/IsaExts/FlushCmdMsr, isaextcfg, true}
4330 * Whether to expose the IA32_FLUSH_CMD MSR to the guest.
4331 */
4332 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "FlushCmdMsr", &pConfig->enmFlushCmdMsr, CPUMISAEXTCFG_ENABLED_SUPPORTED);
4333 AssertLogRelRCReturn(rc, rc);
4334
4335 /** @cfgm{/CPUM/IsaExts/MdsClear, isaextcfg, true}
4336 * Whether to advertise the VERW and MDS related IA32_FLUSH_CMD MSR bits to
4337 * the guest. Requires FlushCmdMsr to be present too.
4338 */
4339 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MdsClear", &pConfig->enmMdsClear, CPUMISAEXTCFG_ENABLED_SUPPORTED);
4340 AssertLogRelRCReturn(rc, rc);
4341
4342 /** @cfgm{/CPUM/IsaExts/ArchCapMSr, isaextcfg, true}
4343 * Whether to expose the MSR_IA32_ARCH_CAPABILITIES MSR to the guest.
4344 */
4345 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ArchCapMsr", &pConfig->enmArchCapMsr, CPUMISAEXTCFG_ENABLED_SUPPORTED);
4346 AssertLogRelRCReturn(rc, rc);
4347
4348
4349 /* AMD: */
4350
4351 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
4352 * Whether to expose the AMD ABM instructions to the guest. For the time
4353 * being the default is to only do this for VMs with nested paging and AMD-V or
4354 * unrestricted guest mode.
4355 */
4356 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
4357 AssertLogRelRCReturn(rc, rc);
4358
4359 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
4360 * Whether to expose the AMD SSE4A instructions to the guest. For the time
4361 * being the default is to only do this for VMs with nested paging and AMD-V or
4362 * unrestricted guest mode.
4363 */
4364 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
4365 AssertLogRelRCReturn(rc, rc);
4366
4367 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
4368 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
4369 * the time being the default is to only do this for VMs with nested paging and
4370 * AMD-V or unrestricted guest mode.
4371 */
4372 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
4373 AssertLogRelRCReturn(rc, rc);
4374
4375 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
4376 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
4377 * For the time being the default is to only do this for VMs with nested paging
4378 * and AMD-V or unrestricted guest mode.
4379 */
4380 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
4381 AssertLogRelRCReturn(rc, rc);
4382
4383 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
4384 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
4385 * the default is to only do this for VMs with nested paging and AMD-V or
4386 * unrestricted guest mode.
4387 */
4388 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
4389 AssertLogRelRCReturn(rc, rc);
4390
4391 return VINF_SUCCESS;
4392}
4393
4394
4395/**
4396 * Initializes the emulated CPU's CPUID & MSR information.
4397 *
4398 * @returns VBox status code.
4399 * @param pVM The cross context VM structure.
4400 * @param pHostMsrs Pointer to the host MSRs.
4401 */
4402int cpumR3InitCpuIdAndMsrs(PVM pVM, PCCPUMMSRS pHostMsrs)
4403{
4404 Assert(pHostMsrs);
4405
4406 PCPUM pCpum = &pVM->cpum.s;
4407 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4408
4409 /*
4410 * Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4411 * on construction and manage everything from here on.
4412 */
4413 for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
4414 {
4415 PVMCPU pVCpu = pVM->apCpusR3[idCpu];
4416 pVCpu->cpum.s.fCpuIdApicFeatureVisible = true;
4417 }
4418
4419 /*
4420 * Read the configuration.
4421 */
4422 CPUMCPUIDCONFIG Config;
4423 RT_ZERO(Config);
4424
4425 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4426 AssertRCReturn(rc, rc);
4427
4428 /*
4429 * Get the guest CPU data from the database and/or the host.
4430 *
4431 * The CPUID and MSRs are currently living on the regular heap to avoid
4432 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
4433 * API for the hyper heap). This means special cleanup considerations.
4434 */
4435 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4436 if (RT_FAILURE(rc))
4437 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4438 ? VMSetError(pVM, rc, RT_SRC_POS,
4439 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4440 : rc;
4441
4442 if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4443 {
4444 LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4445 pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4446 pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4447 }
4448 LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4449
4450 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
4451 * Overrides the guest MSRs.
4452 */
4453 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4454
4455 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
4456 * Overrides the CPUID leaf values (from the host CPU usually) used for
4457 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
4458 * values when moving a VM to a different machine. Another use is restricting
4459 * (or extending) the feature set exposed to the guest. */
4460 if (RT_SUCCESS(rc))
4461 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4462
4463 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4464 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4465 "Found unsupported configuration node '/CPUM/CPUID/'. "
4466 "Please use IMachine::setCPUIDLeaf() instead.");
4467
4468 CPUMMSRS GuestMsrs;
4469 RT_ZERO(GuestMsrs);
4470
4471 /*
4472 * Pre-explode the CPUID info.
4473 */
4474 if (RT_SUCCESS(rc))
4475 {
4476 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &GuestMsrs,
4477 &pCpum->GuestFeatures);
4478 }
4479
4480 /*
4481 * Sanitize the cpuid information passed on to the guest.
4482 */
4483 if (RT_SUCCESS(rc))
4484 {
4485 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4486 if (RT_SUCCESS(rc))
4487 {
4488 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4489 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4490 }
4491 }
4492
4493 /*
4494 * Setup MSRs introduced in microcode updates or that are otherwise not in
4495 * the CPU profile, but are advertised in the CPUID info we just sanitized.
4496 */
4497 if (RT_SUCCESS(rc))
4498 rc = cpumR3MsrReconcileWithCpuId(pVM);
4499 /*
4500 * MSR fudging.
4501 */
4502 if (RT_SUCCESS(rc))
4503 {
4504 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4505 * Fudges some common MSRs if not present in the selected CPU database entry.
4506 * This is for trying to keep VMs running when moved between different hosts
4507 * and different CPU vendors. */
4508 bool fEnable;
4509 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4510 if (RT_SUCCESS(rc) && fEnable)
4511 {
4512 rc = cpumR3MsrApplyFudge(pVM);
4513 AssertLogRelRC(rc);
4514 }
4515 }
4516 if (RT_SUCCESS(rc))
4517 {
4518 /*
4519 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4520 * guest CPU features again.
4521 */
4522 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4523 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4524 pCpum->GuestInfo.cCpuIdLeaves, &GuestMsrs);
4525 RTMemFree(pvFree);
4526
4527 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4528 int rc2 = MMHyperDupMem(pVM, pvFree,
4529 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4530 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4531 RTMemFree(pvFree);
4532 AssertLogRelRCReturn(rc1, rc1);
4533 AssertLogRelRCReturn(rc2, rc2);
4534
4535 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4536
4537 /*
4538 * Finally, initialize guest VMX MSRs.
4539 *
4540 * This needs to be done -after- exploding guest features and sanitizing CPUID leaves
4541 * as constructing VMX capabilities MSRs rely on CPU feature bits like long mode,
4542 * unrestricted-guest execution, CR4 feature bits and possibly more in the future.
4543 */
4544 if (pVM->cpum.s.GuestFeatures.fVmx)
4545 {
4546 Assert(Config.fNestedHWVirt);
4547 cpumR3InitVmxGuestFeaturesAndMsrs(pVM, &pHostMsrs->hwvirt.vmx, &GuestMsrs.hwvirt.vmx);
4548
4549 /* Copy MSRs to all VCPUs */
4550 PCVMXMSRS pVmxMsrs = &GuestMsrs.hwvirt.vmx;
4551 for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
4552 {
4553 PVMCPU pVCpu = pVM->apCpusR3[idCpu];
4554 memcpy(&pVCpu->cpum.s.Guest.hwvirt.vmx.Msrs, pVmxMsrs, sizeof(*pVmxMsrs));
4555 }
4556 }
4557
4558 /*
4559 * Some more configuration that we're applying at the end of everything
4560 * via the CPUMR3SetGuestCpuIdFeature API.
4561 */
4562
4563 /* Check if PAE was explicitely enabled by the user. */
4564 bool fEnable;
4565 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4566 AssertRCReturn(rc, rc);
4567 if (fEnable)
4568 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4569
4570 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4571 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4572 AssertRCReturn(rc, rc);
4573 if (fEnable)
4574 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4575
4576 /* Check if speculation control is enabled. */
4577 rc = CFGMR3QueryBoolDef(pCpumCfg, "SpecCtrl", &fEnable, false);
4578 AssertRCReturn(rc, rc);
4579 if (fEnable)
4580 CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SPEC_CTRL);
4581
4582 return VINF_SUCCESS;
4583 }
4584
4585 /*
4586 * Failed before switching to hyper heap.
4587 */
4588 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4589 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4590 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4591 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4592 return rc;
4593}
4594
4595
4596/**
4597 * Sets a CPUID feature bit during VM initialization.
4598 *
4599 * Since the CPUID feature bits are generally related to CPU features, other
4600 * CPUM configuration like MSRs can also be modified by calls to this API.
4601 *
4602 * @param pVM The cross context VM structure.
4603 * @param enmFeature The feature to set.
4604 */
4605VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4606{
4607 PCPUMCPUIDLEAF pLeaf;
4608 PCPUMMSRRANGE pMsrRange;
4609
4610 switch (enmFeature)
4611 {
4612 /*
4613 * Set the APIC bit in both feature masks.
4614 */
4615 case CPUMCPUIDFEATURE_APIC:
4616 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4617 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4618 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_APIC;
4619
4620 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4621 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4622 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_APIC;
4623
4624 pVM->cpum.s.GuestFeatures.fApic = 1;
4625
4626 /* Make sure we've got the APICBASE MSR present. */
4627 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4628 if (!pMsrRange)
4629 {
4630 static CPUMMSRRANGE const s_ApicBase =
4631 {
4632 /*.uFirst =*/ MSR_IA32_APICBASE, /*.uLast =*/ MSR_IA32_APICBASE,
4633 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ApicBase, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32ApicBase,
4634 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4635 /*.szName = */ "IA32_APIC_BASE"
4636 };
4637 int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4638 AssertLogRelRC(rc);
4639 }
4640
4641 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4642 break;
4643
4644 /*
4645 * Set the x2APIC bit in the standard feature mask.
4646 * Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4647 */
4648 case CPUMCPUIDFEATURE_X2APIC:
4649 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4650 if (pLeaf)
4651 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_X2APIC;
4652 pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4653
4654 /* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4655 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4656 if (pMsrRange)
4657 {
4658 pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4659 pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4660 }
4661
4662 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4663 break;
4664
4665 /*
4666 * Set the sysenter/sysexit bit in the standard feature mask.
4667 * Assumes the caller knows what it's doing! (host must support these)
4668 */
4669 case CPUMCPUIDFEATURE_SEP:
4670 if (!pVM->cpum.s.HostFeatures.fSysEnter)
4671 {
4672 AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4673 return;
4674 }
4675
4676 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4677 if (pLeaf)
4678 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_SEP;
4679 pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4680 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4681 break;
4682
4683 /*
4684 * Set the syscall/sysret bit in the extended feature mask.
4685 * Assumes the caller knows what it's doing! (host must support these)
4686 */
4687 case CPUMCPUIDFEATURE_SYSCALL:
4688 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4689 if ( !pLeaf
4690 || !pVM->cpum.s.HostFeatures.fSysCall)
4691 {
4692 LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4693 return;
4694 }
4695
4696 /* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4697 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4698 pVM->cpum.s.GuestFeatures.fSysCall = 1;
4699 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4700 break;
4701
4702 /*
4703 * Set the PAE bit in both feature masks.
4704 * Assumes the caller knows what it's doing! (host must support these)
4705 */
4706 case CPUMCPUIDFEATURE_PAE:
4707 if (!pVM->cpum.s.HostFeatures.fPae)
4708 {
4709 LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4710 return;
4711 }
4712
4713 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4714 if (pLeaf)
4715 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAE;
4716
4717 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4718 if ( pLeaf
4719 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4720 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAE;
4721
4722 pVM->cpum.s.GuestFeatures.fPae = 1;
4723 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4724 break;
4725
4726 /*
4727 * Set the LONG MODE bit in the extended feature mask.
4728 * Assumes the caller knows what it's doing! (host must support these)
4729 */
4730 case CPUMCPUIDFEATURE_LONG_MODE:
4731 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4732 if ( !pLeaf
4733 || !pVM->cpum.s.HostFeatures.fLongMode)
4734 {
4735 LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4736 return;
4737 }
4738
4739 /* Valid for both Intel and AMD. */
4740 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4741 pVM->cpum.s.GuestFeatures.fLongMode = 1;
4742 pVM->cpum.s.GuestFeatures.cVmxMaxPhysAddrWidth = pVM->cpum.s.GuestFeatures.cMaxPhysAddrWidth;
4743 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4744 break;
4745
4746 /*
4747 * Set the NX/XD bit in the extended feature mask.
4748 * Assumes the caller knows what it's doing! (host must support these)
4749 */
4750 case CPUMCPUIDFEATURE_NX:
4751 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4752 if ( !pLeaf
4753 || !pVM->cpum.s.HostFeatures.fNoExecute)
4754 {
4755 LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4756 return;
4757 }
4758
4759 /* Valid for both Intel and AMD. */
4760 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_NX;
4761 pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4762 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4763 break;
4764
4765
4766 /*
4767 * Set the LAHF/SAHF support in 64-bit mode.
4768 * Assumes the caller knows what it's doing! (host must support this)
4769 */
4770 case CPUMCPUIDFEATURE_LAHF:
4771 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4772 if ( !pLeaf
4773 || !pVM->cpum.s.HostFeatures.fLahfSahf)
4774 {
4775 LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4776 return;
4777 }
4778
4779 /* Valid for both Intel and AMD. */
4780 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx |= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4781 pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4782 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4783 break;
4784
4785 /*
4786 * Set the page attribute table bit. This is alternative page level
4787 * cache control that doesn't much matter when everything is
4788 * virtualized, though it may when passing thru device memory.
4789 */
4790 case CPUMCPUIDFEATURE_PAT:
4791 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4792 if (pLeaf)
4793 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx |= X86_CPUID_FEATURE_EDX_PAT;
4794
4795 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4796 if ( pLeaf
4797 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4798 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_PAT;
4799
4800 pVM->cpum.s.GuestFeatures.fPat = 1;
4801 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4802 break;
4803
4804 /*
4805 * Set the RDTSCP support bit.
4806 * Assumes the caller knows what it's doing! (host must support this)
4807 */
4808 case CPUMCPUIDFEATURE_RDTSCP:
4809 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4810 if ( !pLeaf
4811 || !pVM->cpum.s.HostFeatures.fRdTscP
4812 || pVM->cpum.s.u8PortableCpuIdLevel > 0)
4813 {
4814 if (!pVM->cpum.s.u8PortableCpuIdLevel)
4815 LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4816 return;
4817 }
4818
4819 /* Valid for both Intel and AMD. */
4820 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx |= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4821 pVM->cpum.s.HostFeatures.fRdTscP = 1;
4822 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4823 break;
4824
4825 /*
4826 * Set the Hypervisor Present bit in the standard feature mask.
4827 */
4828 case CPUMCPUIDFEATURE_HVP:
4829 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4830 if (pLeaf)
4831 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx |= X86_CPUID_FEATURE_ECX_HVP;
4832 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4833 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4834 break;
4835
4836 /*
4837 * Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4838 * This currently includes the Present bit and MWAITBREAK bit as well.
4839 */
4840 case CPUMCPUIDFEATURE_MWAIT_EXTS:
4841 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4842 if ( !pLeaf
4843 || !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4844 {
4845 LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4846 return;
4847 }
4848
4849 /* Valid for both Intel and AMD. */
4850 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx |= X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4851 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4852 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4853 break;
4854
4855 /*
4856 * Set up the speculation control CPUID bits and MSRs. This is quite complicated
4857 * on Intel CPUs, and different on AMDs.
4858 */
4859 case CPUMCPUIDFEATURE_SPEC_CTRL:
4860 if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
4861 {
4862 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
4863 if ( !pLeaf
4864 || !(pVM->cpum.s.HostFeatures.fIbpb || pVM->cpum.s.HostFeatures.fIbrs))
4865 {
4866 LogRel(("CPUM: WARNING! Can't turn on Speculation Control when the host doesn't support it!\n"));
4867 return;
4868 }
4869
4870 /* The feature can be enabled. Let's see what we can actually do. */
4871 pVM->cpum.s.GuestFeatures.fSpeculationControl = 1;
4872
4873 /* We will only expose STIBP if IBRS is present to keep things simpler (simple is not an option). */
4874 if (pVM->cpum.s.HostFeatures.fIbrs)
4875 {
4876 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB;
4877 pVM->cpum.s.GuestFeatures.fIbrs = 1;
4878 if (pVM->cpum.s.HostFeatures.fStibp)
4879 {
4880 pLeaf->uEdx |= X86_CPUID_STEXT_FEATURE_EDX_STIBP;
4881 pVM->cpum.s.GuestFeatures.fStibp = 1;
4882 }
4883
4884 /* Make sure we have the speculation control MSR... */
4885 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_SPEC_CTRL);
4886 if (!pMsrRange)
4887 {
4888 static CPUMMSRRANGE const s_SpecCtrl =
4889 {
4890 /*.uFirst =*/ MSR_IA32_SPEC_CTRL, /*.uLast =*/ MSR_IA32_SPEC_CTRL,
4891 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32SpecCtrl, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32SpecCtrl,
4892 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4893 /*.szName = */ "IA32_SPEC_CTRL"
4894 };
4895 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4896 AssertLogRelRC(rc);
4897 }
4898
4899 /* ... and the predictor command MSR. */
4900 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_PRED_CMD);
4901 if (!pMsrRange)
4902 {
4903 /** @todo incorrect fWrGpMask. */
4904 static CPUMMSRRANGE const s_SpecCtrl =
4905 {
4906 /*.uFirst =*/ MSR_IA32_PRED_CMD, /*.uLast =*/ MSR_IA32_PRED_CMD,
4907 /*.enmRdFn =*/ kCpumMsrRdFn_WriteOnly, /*.enmWrFn =*/ kCpumMsrWrFn_Ia32PredCmd,
4908 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ 0,
4909 /*.szName = */ "IA32_PRED_CMD"
4910 };
4911 int rc = CPUMR3MsrRangesInsert(pVM, &s_SpecCtrl);
4912 AssertLogRelRC(rc);
4913 }
4914
4915 }
4916
4917 if (pVM->cpum.s.HostFeatures.fArchCap)
4918 {
4919 /* Install the architectural capabilities MSR. */
4920 pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_ARCH_CAPABILITIES);
4921 if (!pMsrRange)
4922 {
4923 static CPUMMSRRANGE const s_ArchCaps =
4924 {
4925 /*.uFirst =*/ MSR_IA32_ARCH_CAPABILITIES, /*.uLast =*/ MSR_IA32_ARCH_CAPABILITIES,
4926 /*.enmRdFn =*/ kCpumMsrRdFn_Ia32ArchCapabilities, /*.enmWrFn =*/ kCpumMsrWrFn_ReadOnly,
4927 /*.offCpumCpu =*/ UINT16_MAX, /*.fReserved =*/ 0, /*.uValue =*/ 0, /*.fWrIgnMask =*/ 0, /*.fWrGpMask =*/ UINT64_MAX,
4928 /*.szName = */ "IA32_ARCH_CAPABILITIES"
4929 };
4930 int rc = CPUMR3MsrRangesInsert(pVM, &s_ArchCaps);
4931 AssertLogRelRC(rc);
4932 }
4933 }
4934
4935 LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Speculation Control.\n"));
4936 }
4937 else if (pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4938 {
4939 /* The precise details of AMD's implementation are not yet clear. */
4940 }
4941 break;
4942
4943 default:
4944 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4945 break;
4946 }
4947
4948 /** @todo can probably kill this as this API is now init time only... */
4949 for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
4950 {
4951 PVMCPU pVCpu = pVM->apCpusR3[idCpu];
4952 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
4953 }
4954}
4955
4956
4957/**
4958 * Queries a CPUID feature bit.
4959 *
4960 * @returns boolean for feature presence
4961 * @param pVM The cross context VM structure.
4962 * @param enmFeature The feature to query.
4963 * @deprecated Use the cpum.ro.GuestFeatures directly instead.
4964 */
4965VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4966{
4967 switch (enmFeature)
4968 {
4969 case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4970 case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4971 case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4972 case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4973 case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4974 case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4975 case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4976 case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4977 case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4978 case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4979 case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4980 case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4981 case CPUMCPUIDFEATURE_SPEC_CTRL: return pVM->cpum.s.GuestFeatures.fSpeculationControl;
4982
4983 case CPUMCPUIDFEATURE_INVALID:
4984 case CPUMCPUIDFEATURE_32BIT_HACK:
4985 break;
4986 }
4987 AssertFailed();
4988 return false;
4989}
4990
4991
4992/**
4993 * Clears a CPUID feature bit.
4994 *
4995 * @param pVM The cross context VM structure.
4996 * @param enmFeature The feature to clear.
4997 *
4998 * @deprecated Probably better to default the feature to disabled and only allow
4999 * setting (enabling) it during construction.
5000 */
5001VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
5002{
5003 PCPUMCPUIDLEAF pLeaf;
5004 switch (enmFeature)
5005 {
5006 case CPUMCPUIDFEATURE_APIC:
5007 Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
5008 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
5009 if (pLeaf)
5010 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
5011
5012 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5013 if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
5014 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
5015
5016 pVM->cpum.s.GuestFeatures.fApic = 0;
5017 Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
5018 break;
5019
5020 case CPUMCPUIDFEATURE_X2APIC:
5021 Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
5022 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
5023 if (pLeaf)
5024 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
5025 pVM->cpum.s.GuestFeatures.fX2Apic = 0;
5026 Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
5027 break;
5028
5029 case CPUMCPUIDFEATURE_PAE:
5030 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
5031 if (pLeaf)
5032 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
5033
5034 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5035 if ( pLeaf
5036 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
5037 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
5038
5039 pVM->cpum.s.GuestFeatures.fPae = 0;
5040 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
5041 break;
5042
5043 case CPUMCPUIDFEATURE_PAT:
5044 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
5045 if (pLeaf)
5046 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
5047
5048 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5049 if ( pLeaf
5050 && pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
5051 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
5052
5053 pVM->cpum.s.GuestFeatures.fPat = 0;
5054 Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
5055 break;
5056
5057 case CPUMCPUIDFEATURE_LONG_MODE:
5058 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5059 if (pLeaf)
5060 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
5061 pVM->cpum.s.GuestFeatures.fLongMode = 0;
5062 pVM->cpum.s.GuestFeatures.cVmxMaxPhysAddrWidth = 32;
5063 break;
5064
5065 case CPUMCPUIDFEATURE_LAHF:
5066 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5067 if (pLeaf)
5068 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
5069 pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
5070 break;
5071
5072 case CPUMCPUIDFEATURE_RDTSCP:
5073 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
5074 if (pLeaf)
5075 pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
5076 pVM->cpum.s.GuestFeatures.fRdTscP = 0;
5077 Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
5078 break;
5079
5080 case CPUMCPUIDFEATURE_HVP:
5081 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
5082 if (pLeaf)
5083 pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
5084 pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
5085 break;
5086
5087 case CPUMCPUIDFEATURE_MWAIT_EXTS:
5088 pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
5089 if (pLeaf)
5090 pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
5091 pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
5092 Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
5093 break;
5094
5095 case CPUMCPUIDFEATURE_SPEC_CTRL:
5096 pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, UINT32_C(0x00000007), 0);
5097 if (pLeaf)
5098 pLeaf->uEdx &= ~(X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB | X86_CPUID_STEXT_FEATURE_EDX_STIBP);
5099 pVM->cpum.s.GuestFeatures.fSpeculationControl = 0;
5100 Log(("CPUM: ClearGuestCpuIdFeature: Disabled speculation control!\n"));
5101 break;
5102
5103 default:
5104 AssertMsgFailed(("enmFeature=%d\n", enmFeature));
5105 break;
5106 }
5107
5108 for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
5109 {
5110 PVMCPU pVCpu = pVM->apCpusR3[idCpu];
5111 pVCpu->cpum.s.fChanged |= CPUM_CHANGED_CPUID;
5112 }
5113}
5114
5115
5116
5117/*
5118 *
5119 *
5120 * Saved state related code.
5121 * Saved state related code.
5122 * Saved state related code.
5123 *
5124 *
5125 */
5126
5127/**
5128 * Called both in pass 0 and the final pass.
5129 *
5130 * @param pVM The cross context VM structure.
5131 * @param pSSM The saved state handle.
5132 */
5133void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
5134{
5135 /*
5136 * Save all the CPU ID leaves.
5137 */
5138 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
5139 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
5140 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
5141 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
5142
5143 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5144
5145 /*
5146 * Save a good portion of the raw CPU IDs as well as they may come in
5147 * handy when validating features for raw mode.
5148 */
5149 CPUMCPUID aRawStd[16];
5150 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
5151 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5152 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
5153 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
5154
5155 CPUMCPUID aRawExt[32];
5156 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
5157 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5158 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
5159 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
5160}
5161
5162
5163static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
5164{
5165 uint32_t cCpuIds;
5166 int rc = SSMR3GetU32(pSSM, &cCpuIds);
5167 if (RT_SUCCESS(rc))
5168 {
5169 if (cCpuIds < 64)
5170 {
5171 for (uint32_t i = 0; i < cCpuIds; i++)
5172 {
5173 CPUMCPUID CpuId;
5174 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
5175 if (RT_FAILURE(rc))
5176 break;
5177
5178 CPUMCPUIDLEAF NewLeaf;
5179 NewLeaf.uLeaf = uBase + i;
5180 NewLeaf.uSubLeaf = 0;
5181 NewLeaf.fSubLeafMask = 0;
5182 NewLeaf.uEax = CpuId.uEax;
5183 NewLeaf.uEbx = CpuId.uEbx;
5184 NewLeaf.uEcx = CpuId.uEcx;
5185 NewLeaf.uEdx = CpuId.uEdx;
5186 NewLeaf.fFlags = 0;
5187 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
5188 }
5189 }
5190 else
5191 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5192 }
5193 if (RT_FAILURE(rc))
5194 {
5195 RTMemFree(*ppaLeaves);
5196 *ppaLeaves = NULL;
5197 *pcLeaves = 0;
5198 }
5199 return rc;
5200}
5201
5202
5203static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
5204{
5205 *ppaLeaves = NULL;
5206 *pcLeaves = 0;
5207
5208 int rc;
5209 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
5210 {
5211 /*
5212 * The new format. Starts by declaring the leave size and count.
5213 */
5214 uint32_t cbLeaf;
5215 SSMR3GetU32(pSSM, &cbLeaf);
5216 uint32_t cLeaves;
5217 rc = SSMR3GetU32(pSSM, &cLeaves);
5218 if (RT_SUCCESS(rc))
5219 {
5220 if (cbLeaf == sizeof(**ppaLeaves))
5221 {
5222 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
5223 {
5224 /*
5225 * Load the leaves one by one.
5226 *
5227 * The uPrev stuff is a kludge for working around a week worth of bad saved
5228 * states during the CPUID revamp in March 2015. We saved too many leaves
5229 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
5230 * garbage entires at the end of the array when restoring. We also had
5231 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
5232 * this kludge doesn't deal correctly with that, but who cares...
5233 */
5234 uint32_t uPrev = 0;
5235 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
5236 {
5237 CPUMCPUIDLEAF Leaf;
5238 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
5239 if (RT_SUCCESS(rc))
5240 {
5241 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
5242 || Leaf.uLeaf >= uPrev)
5243 {
5244 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5245 uPrev = Leaf.uLeaf;
5246 }
5247 else
5248 uPrev = UINT32_MAX;
5249 }
5250 }
5251 }
5252 else
5253 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
5254 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
5255 }
5256 else
5257 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
5258 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
5259 }
5260 }
5261 else
5262 {
5263 /*
5264 * The old format with its three inflexible arrays.
5265 */
5266 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
5267 if (RT_SUCCESS(rc))
5268 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
5269 if (RT_SUCCESS(rc))
5270 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
5271 if (RT_SUCCESS(rc))
5272 {
5273 /*
5274 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
5275 */
5276 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
5277 if ( pLeaf
5278 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
5279 {
5280 CPUMCPUIDLEAF Leaf;
5281 Leaf.uLeaf = 4;
5282 Leaf.fSubLeafMask = UINT32_MAX;
5283 Leaf.uSubLeaf = 0;
5284 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
5285 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
5286 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
5287 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
5288 | UINT32_C(63); /* system coherency line size - 1 */
5289 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
5290 | (UINT32_C(0) << 14) /* threads per cache - 1 */
5291 | (UINT32_C(1) << 5) /* cache level */
5292 | UINT32_C(1); /* cache type (data) */
5293 Leaf.fFlags = 0;
5294 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5295 if (RT_SUCCESS(rc))
5296 {
5297 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
5298 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5299 }
5300 if (RT_SUCCESS(rc))
5301 {
5302 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
5303 Leaf.uEcx = 4095; /* sets - 1 */
5304 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
5305 Leaf.uEbx |= UINT32_C(23) << 22;
5306 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
5307 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
5308 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
5309 Leaf.uEax |= UINT32_C(2) << 5;
5310 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
5311 }
5312 }
5313 }
5314 }
5315 return rc;
5316}
5317
5318
5319/**
5320 * Loads the CPU ID leaves saved by pass 0, inner worker.
5321 *
5322 * @returns VBox status code.
5323 * @param pVM The cross context VM structure.
5324 * @param pSSM The saved state handle.
5325 * @param uVersion The format version.
5326 * @param paLeaves Guest CPUID leaves loaded from the state.
5327 * @param cLeaves The number of leaves in @a paLeaves.
5328 * @param pMsrs The guest MSRs.
5329 */
5330int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs)
5331{
5332 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5333
5334 /*
5335 * Continue loading the state into stack buffers.
5336 */
5337 CPUMCPUID GuestDefCpuId;
5338 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
5339 AssertRCReturn(rc, rc);
5340
5341 CPUMCPUID aRawStd[16];
5342 uint32_t cRawStd;
5343 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
5344 if (cRawStd > RT_ELEMENTS(aRawStd))
5345 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5346 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
5347 AssertRCReturn(rc, rc);
5348 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
5349 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
5350
5351 CPUMCPUID aRawExt[32];
5352 uint32_t cRawExt;
5353 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
5354 if (cRawExt > RT_ELEMENTS(aRawExt))
5355 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5356 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
5357 AssertRCReturn(rc, rc);
5358 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
5359 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
5360
5361 /*
5362 * Get the raw CPU IDs for the current host.
5363 */
5364 CPUMCPUID aHostRawStd[16];
5365 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
5366 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
5367
5368 CPUMCPUID aHostRawExt[32];
5369 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
5370 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
5371 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
5372
5373 /*
5374 * Get the host and guest overrides so we don't reject the state because
5375 * some feature was enabled thru these interfaces.
5376 * Note! We currently only need the feature leaves, so skip rest.
5377 */
5378 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
5379 CPUMCPUID aHostOverrideStd[2];
5380 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
5381 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
5382
5383 CPUMCPUID aHostOverrideExt[2];
5384 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
5385 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
5386
5387 /*
5388 * This can be skipped.
5389 */
5390 bool fStrictCpuIdChecks;
5391 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
5392
5393 /*
5394 * Define a bunch of macros for simplifying the santizing/checking code below.
5395 */
5396 /* Generic expression + failure message. */
5397#define CPUID_CHECK_RET(expr, fmt) \
5398 do { \
5399 if (!(expr)) \
5400 { \
5401 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
5402 if (fStrictCpuIdChecks) \
5403 { \
5404 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
5405 RTStrFree(pszMsg); \
5406 return rcCpuid; \
5407 } \
5408 LogRel(("CPUM: %s\n", pszMsg)); \
5409 RTStrFree(pszMsg); \
5410 } \
5411 } while (0)
5412#define CPUID_CHECK_WRN(expr, fmt) \
5413 do { \
5414 if (!(expr)) \
5415 LogRel(fmt); \
5416 } while (0)
5417
5418 /* For comparing two values and bitch if they differs. */
5419#define CPUID_CHECK2_RET(what, host, saved) \
5420 do { \
5421 if ((host) != (saved)) \
5422 { \
5423 if (fStrictCpuIdChecks) \
5424 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5425 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
5426 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5427 } \
5428 } while (0)
5429#define CPUID_CHECK2_WRN(what, host, saved) \
5430 do { \
5431 if ((host) != (saved)) \
5432 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
5433 } while (0)
5434
5435 /* For checking raw cpu features (raw mode). */
5436#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
5437 do { \
5438 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5439 { \
5440 if (fStrictCpuIdChecks) \
5441 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5442 N_(#bit " mismatch: host=%d saved=%d"), \
5443 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
5444 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5445 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5446 } \
5447 } while (0)
5448#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
5449 do { \
5450 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
5451 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
5452 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
5453 } while (0)
5454#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
5455
5456 /* For checking guest features. */
5457#define CPUID_GST_FEATURE_RET(set, reg, bit) \
5458 do { \
5459 if ( (aGuestCpuId##set [1].reg & bit) \
5460 && !(aHostRaw##set [1].reg & bit) \
5461 && !(aHostOverride##set [1].reg & bit) \
5462 ) \
5463 { \
5464 if (fStrictCpuIdChecks) \
5465 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5466 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5467 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5468 } \
5469 } while (0)
5470#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
5471 do { \
5472 if ( (aGuestCpuId##set [1].reg & bit) \
5473 && !(aHostRaw##set [1].reg & bit) \
5474 && !(aHostOverride##set [1].reg & bit) \
5475 ) \
5476 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5477 } while (0)
5478#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
5479 do { \
5480 if ( (aGuestCpuId##set [1].reg & bit) \
5481 && !(aHostRaw##set [1].reg & bit) \
5482 && !(aHostOverride##set [1].reg & bit) \
5483 ) \
5484 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5485 } while (0)
5486#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
5487
5488 /* For checking guest features if AMD guest CPU. */
5489#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
5490 do { \
5491 if ( (aGuestCpuId##set [1].reg & bit) \
5492 && fGuestAmd \
5493 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5494 && !(aHostOverride##set [1].reg & bit) \
5495 ) \
5496 { \
5497 if (fStrictCpuIdChecks) \
5498 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5499 N_(#bit " is not supported by the host but has already exposed to the guest")); \
5500 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5501 } \
5502 } while (0)
5503#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
5504 do { \
5505 if ( (aGuestCpuId##set [1].reg & bit) \
5506 && fGuestAmd \
5507 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5508 && !(aHostOverride##set [1].reg & bit) \
5509 ) \
5510 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
5511 } while (0)
5512#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
5513 do { \
5514 if ( (aGuestCpuId##set [1].reg & bit) \
5515 && fGuestAmd \
5516 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
5517 && !(aHostOverride##set [1].reg & bit) \
5518 ) \
5519 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5520 } while (0)
5521#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5522
5523 /* For checking AMD features which have a corresponding bit in the standard
5524 range. (Intel defines very few bits in the extended feature sets.) */
5525#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5526 do { \
5527 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5528 && !(fHostAmd \
5529 ? aHostRawExt[1].reg & (ExtBit) \
5530 : aHostRawStd[1].reg & (StdBit)) \
5531 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5532 ) \
5533 { \
5534 if (fStrictCpuIdChecks) \
5535 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5536 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5537 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5538 } \
5539 } while (0)
5540#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5541 do { \
5542 if ( (aGuestCpuId[1].reg & (ExtBit)) \
5543 && !(fHostAmd \
5544 ? aHostRawExt[1].reg & (ExtBit) \
5545 : aHostRawStd[1].reg & (StdBit)) \
5546 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5547 ) \
5548 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5549 } while (0)
5550#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5551 do { \
5552 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5553 && !(fHostAmd \
5554 ? aHostRawExt[1].reg & (ExtBit) \
5555 : aHostRawStd[1].reg & (StdBit)) \
5556 && !(aHostOverrideExt[1].reg & (ExtBit)) \
5557 ) \
5558 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5559 } while (0)
5560#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5561
5562
5563 /*
5564 * Verify that we can support the features already exposed to the guest on
5565 * this host.
5566 *
5567 * Most of the features we're emulating requires intercepting instruction
5568 * and doing it the slow way, so there is no need to warn when they aren't
5569 * present in the host CPU. Thus we use IGN instead of EMU on these.
5570 *
5571 * Trailing comments:
5572 * "EMU" - Possible to emulate, could be lots of work and very slow.
5573 * "EMU?" - Can this be emulated?
5574 */
5575 CPUMCPUID aGuestCpuIdStd[2];
5576 RT_ZERO(aGuestCpuIdStd);
5577 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5578
5579 /* CPUID(1).ecx */
5580 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5581 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5582 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5583 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5584 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5585 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5586 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5587 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5588 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5589 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5590 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5591 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5592 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5593 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5594 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5595 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5596 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
5597 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5598 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5599 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5600 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5601 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5602 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5603 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5604 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5605 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5606 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5607 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5608 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5609 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5610 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5611 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5612
5613 /* CPUID(1).edx */
5614 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5615 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5616 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5617 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5618 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5619 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5620 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5621 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5622 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5623 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5624 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
5625 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5626 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5627 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5628 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5629 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5630 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5631 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5632 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5633 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5634 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
5635 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5636 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5637 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5638 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5639 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5640 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5641 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5642 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5643 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5644 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
5645 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5646
5647 /* CPUID(0x80000000). */
5648 CPUMCPUID aGuestCpuIdExt[2];
5649 RT_ZERO(aGuestCpuIdExt);
5650 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5651 {
5652 /** @todo deal with no 0x80000001 on the host. */
5653 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5654 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5655
5656 /* CPUID(0x80000001).ecx */
5657 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5658 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5659 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5660 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5661 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5662 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5663 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5664 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5665 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5666 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5667 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5668 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5669 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5670 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5671 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5672 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5673 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5674 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5675 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5676 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5677 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5678 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5679 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5680 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5681 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5682 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5683 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5684 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5685 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5686 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5687 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5688 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5689
5690 /* CPUID(0x80000001).edx */
5691 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5692 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5693 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5694 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5695 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5696 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5697 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5698 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5699 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5700 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5701 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
5702 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5703 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5704 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5705 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5706 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5707 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5708 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5709 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
5710 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
5711 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5712 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
5713 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5714 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5715 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5716 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5717 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5718 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5719 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
5720 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5721 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5722 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5723 }
5724
5725 /** @todo check leaf 7 */
5726
5727 /* CPUID(d) - XCR0 stuff - takes ECX as input.
5728 * ECX=0: EAX - Valid bits in XCR0[31:0].
5729 * EBX - Maximum state size as per current XCR0 value.
5730 * ECX - Maximum state size for all supported features.
5731 * EDX - Valid bits in XCR0[63:32].
5732 * ECX=1: EAX - Various X-features.
5733 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
5734 * ECX - Valid bits in IA32_XSS[31:0].
5735 * EDX - Valid bits in IA32_XSS[63:32].
5736 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5737 * if the bit invalid all four registers are set to zero.
5738 * EAX - The state size for this feature.
5739 * EBX - The state byte offset of this feature.
5740 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5741 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
5742 */
5743 uint64_t fGuestXcr0Mask = 0;
5744 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5745 if ( pCurLeaf
5746 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5747 && ( pCurLeaf->uEax
5748 || pCurLeaf->uEbx
5749 || pCurLeaf->uEcx
5750 || pCurLeaf->uEdx) )
5751 {
5752 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5753 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5754 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5755 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5756 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5757 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
5758 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5759 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5760
5761 /* We don't support any additional features yet. */
5762 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5763 if (pCurLeaf && pCurLeaf->uEax)
5764 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5765 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5766 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
5767 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5768 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5769 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5770
5771
5772 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5773 {
5774 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5775 if (pCurLeaf)
5776 {
5777 /* If advertised, the state component offset and size must match the one used by host. */
5778 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
5779 {
5780 CPUMCPUID RawHost;
5781 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5782 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5783 if ( RawHost.uEbx != pCurLeaf->uEbx
5784 || RawHost.uEax != pCurLeaf->uEax)
5785 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5786 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5787 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5788 }
5789 }
5790 }
5791 }
5792 /* Clear leaf 0xd just in case we're loading an old state... */
5793 else if (pCurLeaf)
5794 {
5795 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5796 {
5797 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5798 if (pCurLeaf)
5799 {
5800 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5801 || ( pCurLeaf->uEax == 0
5802 && pCurLeaf->uEbx == 0
5803 && pCurLeaf->uEcx == 0
5804 && pCurLeaf->uEdx == 0),
5805 ("uVersion=%#x; %#x %#x %#x %#x\n",
5806 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5807 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5808 }
5809 }
5810 }
5811
5812 /* Update the fXStateGuestMask value for the VM. */
5813 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5814 {
5815 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5816 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5817 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5818 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5819 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5820 }
5821
5822#undef CPUID_CHECK_RET
5823#undef CPUID_CHECK_WRN
5824#undef CPUID_CHECK2_RET
5825#undef CPUID_CHECK2_WRN
5826#undef CPUID_RAW_FEATURE_RET
5827#undef CPUID_RAW_FEATURE_WRN
5828#undef CPUID_RAW_FEATURE_IGN
5829#undef CPUID_GST_FEATURE_RET
5830#undef CPUID_GST_FEATURE_WRN
5831#undef CPUID_GST_FEATURE_EMU
5832#undef CPUID_GST_FEATURE_IGN
5833#undef CPUID_GST_FEATURE2_RET
5834#undef CPUID_GST_FEATURE2_WRN
5835#undef CPUID_GST_FEATURE2_EMU
5836#undef CPUID_GST_FEATURE2_IGN
5837#undef CPUID_GST_AMD_FEATURE_RET
5838#undef CPUID_GST_AMD_FEATURE_WRN
5839#undef CPUID_GST_AMD_FEATURE_EMU
5840#undef CPUID_GST_AMD_FEATURE_IGN
5841
5842 /*
5843 * We're good, commit the CPU ID leaves.
5844 */
5845 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5846 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5847 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5848 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5849 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves, pMsrs);
5850 AssertLogRelRCReturn(rc, rc);
5851
5852 return VINF_SUCCESS;
5853}
5854
5855
5856/**
5857 * Loads the CPU ID leaves saved by pass 0.
5858 *
5859 * @returns VBox status code.
5860 * @param pVM The cross context VM structure.
5861 * @param pSSM The saved state handle.
5862 * @param uVersion The format version.
5863 * @param pMsrs The guest MSRs.
5864 */
5865int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCCPUMMSRS pMsrs)
5866{
5867 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5868
5869 /*
5870 * Load the CPUID leaves array first and call worker to do the rest, just so
5871 * we can free the memory when we need to without ending up in column 1000.
5872 */
5873 PCPUMCPUIDLEAF paLeaves;
5874 uint32_t cLeaves;
5875 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5876 AssertRC(rc);
5877 if (RT_SUCCESS(rc))
5878 {
5879 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves, pMsrs);
5880 RTMemFree(paLeaves);
5881 }
5882 return rc;
5883}
5884
5885
5886
5887/**
5888 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5889 *
5890 * @returns VBox status code.
5891 * @param pVM The cross context VM structure.
5892 * @param pSSM The saved state handle.
5893 * @param uVersion The format version.
5894 */
5895int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5896{
5897 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5898
5899 /*
5900 * Restore the CPUID leaves.
5901 *
5902 * Note that we support restoring less than the current amount of standard
5903 * leaves because we've been allowed more is newer version of VBox.
5904 */
5905 uint32_t cElements;
5906 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5907 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5908 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5909 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5910
5911 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5912 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5913 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5914 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5915
5916 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5917 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5918 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5919 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5920
5921 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5922
5923 /*
5924 * Check that the basic cpuid id information is unchanged.
5925 */
5926 /** @todo we should check the 64 bits capabilities too! */
5927 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5928 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5929 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5930 uint32_t au32CpuIdSaved[8];
5931 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5932 if (RT_SUCCESS(rc))
5933 {
5934 /* Ignore CPU stepping. */
5935 au32CpuId[4] &= 0xfffffff0;
5936 au32CpuIdSaved[4] &= 0xfffffff0;
5937
5938 /* Ignore APIC ID (AMD specs). */
5939 au32CpuId[5] &= ~0xff000000;
5940 au32CpuIdSaved[5] &= ~0xff000000;
5941
5942 /* Ignore the number of Logical CPUs (AMD specs). */
5943 au32CpuId[5] &= ~0x00ff0000;
5944 au32CpuIdSaved[5] &= ~0x00ff0000;
5945
5946 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5947 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5948 | X86_CPUID_FEATURE_ECX_VMX
5949 | X86_CPUID_FEATURE_ECX_SMX
5950 | X86_CPUID_FEATURE_ECX_EST
5951 | X86_CPUID_FEATURE_ECX_TM2
5952 | X86_CPUID_FEATURE_ECX_CNTXID
5953 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5954 | X86_CPUID_FEATURE_ECX_PDCM
5955 | X86_CPUID_FEATURE_ECX_DCA
5956 | X86_CPUID_FEATURE_ECX_X2APIC
5957 );
5958 au32CpuIdSaved[6] &= ~( 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
5970 /* Make sure we don't forget to update the masks when enabling
5971 * features in the future.
5972 */
5973 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5974 ( X86_CPUID_FEATURE_ECX_DTES64
5975 | X86_CPUID_FEATURE_ECX_VMX
5976 | X86_CPUID_FEATURE_ECX_SMX
5977 | X86_CPUID_FEATURE_ECX_EST
5978 | X86_CPUID_FEATURE_ECX_TM2
5979 | X86_CPUID_FEATURE_ECX_CNTXID
5980 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5981 | X86_CPUID_FEATURE_ECX_PDCM
5982 | X86_CPUID_FEATURE_ECX_DCA
5983 | X86_CPUID_FEATURE_ECX_X2APIC
5984 )));
5985 /* do the compare */
5986 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5987 {
5988 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5989 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5990 "Saved=%.*Rhxs\n"
5991 "Real =%.*Rhxs\n",
5992 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5993 sizeof(au32CpuId), au32CpuId));
5994 else
5995 {
5996 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5997 "Saved=%.*Rhxs\n"
5998 "Real =%.*Rhxs\n",
5999 sizeof(au32CpuIdSaved), au32CpuIdSaved,
6000 sizeof(au32CpuId), au32CpuId));
6001 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
6002 }
6003 }
6004 }
6005
6006 return rc;
6007}
6008
6009
6010
6011/*
6012 *
6013 *
6014 * CPUID Info Handler.
6015 * CPUID Info Handler.
6016 * CPUID Info Handler.
6017 *
6018 *
6019 */
6020
6021
6022
6023/**
6024 * Get L1 cache / TLS associativity.
6025 */
6026static const char *getCacheAss(unsigned u, char *pszBuf)
6027{
6028 if (u == 0)
6029 return "res0 ";
6030 if (u == 1)
6031 return "direct";
6032 if (u == 255)
6033 return "fully";
6034 if (u >= 256)
6035 return "???";
6036
6037 RTStrPrintf(pszBuf, 16, "%d way", u);
6038 return pszBuf;
6039}
6040
6041
6042/**
6043 * Get L2 cache associativity.
6044 */
6045const char *getL2CacheAss(unsigned u)
6046{
6047 switch (u)
6048 {
6049 case 0: return "off ";
6050 case 1: return "direct";
6051 case 2: return "2 way ";
6052 case 3: return "res3 ";
6053 case 4: return "4 way ";
6054 case 5: return "res5 ";
6055 case 6: return "8 way ";
6056 case 7: return "res7 ";
6057 case 8: return "16 way";
6058 case 9: return "res9 ";
6059 case 10: return "res10 ";
6060 case 11: return "res11 ";
6061 case 12: return "res12 ";
6062 case 13: return "res13 ";
6063 case 14: return "res14 ";
6064 case 15: return "fully ";
6065 default: return "????";
6066 }
6067}
6068
6069
6070/** CPUID(1).EDX field descriptions. */
6071static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
6072{
6073 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6074 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6075 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6076 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6077 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6078 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
6079 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6080 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6081 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6082 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6083 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
6084 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6085 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6086 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6087 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6088 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6089 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6090 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
6091 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
6092 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
6093 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
6094 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6095 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
6096 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
6097 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
6098 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
6099 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
6100 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
6101 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
6102 DBGFREGSUBFIELD_TERMINATOR()
6103};
6104
6105/** CPUID(1).ECX field descriptions. */
6106static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
6107{
6108 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
6109 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
6110 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
6111 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
6112 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
6113 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
6114 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
6115 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
6116 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
6117 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
6118 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
6119 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
6120 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
6121 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
6122 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
6123 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
6124 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
6125 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
6126 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
6127 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
6128 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
6129 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
6130 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
6131 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
6132 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
6133 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
6134 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
6135 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
6136 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
6137 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
6138 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
6139 DBGFREGSUBFIELD_TERMINATOR()
6140};
6141
6142/** CPUID(7,0).EBX field descriptions. */
6143static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
6144{
6145 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
6146 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
6147 DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
6148 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
6149 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
6150 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
6151 DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
6152 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
6153 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
6154 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
6155 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
6156 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
6157 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
6158 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
6159 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
6160 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
6161 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
6162 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
6163 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
6164 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
6165 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
6166 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
6167 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
6168 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
6169 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
6170 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
6171 DBGFREGSUBFIELD_TERMINATOR()
6172};
6173
6174/** CPUID(7,0).ECX field descriptions. */
6175static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
6176{
6177 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
6178 DBGFREGSUBFIELD_RO("UMIP\0" "User mode insturction prevention", 2, 1, 0),
6179 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
6180 DBGFREGSUBFIELD_RO("OSPKE\0" "CR4.PKU mirror", 4, 1, 0),
6181 DBGFREGSUBFIELD_RO("MAWAU\0" "Value used by BNDLDX & BNDSTX", 17, 5, 0),
6182 DBGFREGSUBFIELD_RO("RDPID\0" "Read processor ID support", 22, 1, 0),
6183 DBGFREGSUBFIELD_RO("SGX_LC\0" "Supports SGX Launch Configuration", 30, 1, 0),
6184 DBGFREGSUBFIELD_TERMINATOR()
6185};
6186
6187/** CPUID(7,0).EDX field descriptions. */
6188static DBGFREGSUBFIELD const g_aLeaf7Sub0EdxSubFields[] =
6189{
6190 DBGFREGSUBFIELD_RO("MD_CLEAR\0" "Supports MDS related buffer clearing", 10, 1, 0),
6191 DBGFREGSUBFIELD_RO("IBRS_IBPB\0" "IA32_SPEC_CTRL.IBRS and IA32_PRED_CMD.IBPB", 26, 1, 0),
6192 DBGFREGSUBFIELD_RO("STIBP\0" "Supports IA32_SPEC_CTRL.STIBP", 27, 1, 0),
6193 DBGFREGSUBFIELD_RO("FLUSH_CMD\0" "Supports IA32_FLUSH_CMD", 28, 1, 0),
6194 DBGFREGSUBFIELD_RO("ARCHCAP\0" "Supports IA32_ARCH_CAP", 29, 1, 0),
6195 DBGFREGSUBFIELD_TERMINATOR()
6196};
6197
6198
6199/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
6200static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
6201{
6202 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
6203 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
6204 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
6205 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
6206 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
6207 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
6208 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
6209 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
6210 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
6211 DBGFREGSUBFIELD_TERMINATOR()
6212};
6213
6214/** CPUID(13,1).EAX field descriptions. */
6215static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
6216{
6217 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
6218 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
6219 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
6220 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
6221 DBGFREGSUBFIELD_TERMINATOR()
6222};
6223
6224
6225/** CPUID(0x80000001,0).EDX field descriptions. */
6226static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
6227{
6228 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
6229 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
6230 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
6231 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
6232 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
6233 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
6234 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
6235 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
6236 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
6237 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
6238 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
6239 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
6240 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
6241 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
6242 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
6243 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
6244 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
6245 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
6246 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
6247 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
6248 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
6249 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
6250 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
6251 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
6252 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
6253 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
6254 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
6255 DBGFREGSUBFIELD_TERMINATOR()
6256};
6257
6258/** CPUID(0x80000001,0).ECX field descriptions. */
6259static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
6260{
6261 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
6262 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
6263 DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
6264 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
6265 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
6266 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
6267 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
6268 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
6269 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
6270 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
6271 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
6272 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
6273 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
6274 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
6275 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
6276 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
6277 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
6278 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
6279 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
6280 DBGFREGSUBFIELD_RO("PRFEXTCORE\0" "Performance Counter Extensions support", 23, 1, 0),
6281 DBGFREGSUBFIELD_RO("PRFEXTNB\0" "NB Performance Counter Extensions support", 24, 1, 0),
6282 DBGFREGSUBFIELD_RO("DATABPEXT\0" "Data-access Breakpoint Extension", 26, 1, 0),
6283 DBGFREGSUBFIELD_RO("PERFTSC\0" "Performance Time Stamp Counter", 27, 1, 0),
6284 DBGFREGSUBFIELD_TERMINATOR()
6285};
6286
6287/** CPUID(0x8000000a,0).EDX field descriptions. */
6288static DBGFREGSUBFIELD const g_aExtLeafAEdxSubFields[] =
6289{
6290 DBGFREGSUBFIELD_RO("NP\0" "Nested Paging", 0, 1, 0),
6291 DBGFREGSUBFIELD_RO("LbrVirt\0" "Last Branch Record Virtualization", 1, 1, 0),
6292 DBGFREGSUBFIELD_RO("SVML\0" "SVM Lock", 2, 1, 0),
6293 DBGFREGSUBFIELD_RO("NRIPS\0" "NextRIP Save", 3, 1, 0),
6294 DBGFREGSUBFIELD_RO("TscRateMsr\0" "MSR based TSC rate control", 4, 1, 0),
6295 DBGFREGSUBFIELD_RO("VmcbClean\0" "VMCB clean bits", 5, 1, 0),
6296 DBGFREGSUBFIELD_RO("FlushByASID\0" "Flush by ASID", 6, 1, 0),
6297 DBGFREGSUBFIELD_RO("DecodeAssists\0" "Decode Assists", 7, 1, 0),
6298 DBGFREGSUBFIELD_RO("PauseFilter\0" "Pause intercept filter", 10, 1, 0),
6299 DBGFREGSUBFIELD_RO("PauseFilterThreshold\0" "Pause filter threshold", 12, 1, 0),
6300 DBGFREGSUBFIELD_RO("AVIC\0" "Advanced Virtual Interrupt Controller", 13, 1, 0),
6301 DBGFREGSUBFIELD_RO("VMSAVEVirt\0" "VMSAVE and VMLOAD Virtualization", 15, 1, 0),
6302 DBGFREGSUBFIELD_RO("VGIF\0" "Virtual Global-Interrupt Flag", 16, 1, 0),
6303 DBGFREGSUBFIELD_TERMINATOR()
6304};
6305
6306
6307/** CPUID(0x80000007,0).EDX field descriptions. */
6308static DBGFREGSUBFIELD const g_aExtLeaf7EdxSubFields[] =
6309{
6310 DBGFREGSUBFIELD_RO("TS\0" "Temperature Sensor", 0, 1, 0),
6311 DBGFREGSUBFIELD_RO("FID\0" "Frequency ID control", 1, 1, 0),
6312 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6313 DBGFREGSUBFIELD_RO("VID\0" "Voltage ID control", 2, 1, 0),
6314 DBGFREGSUBFIELD_RO("TTP\0" "Thermal Trip", 3, 1, 0),
6315 DBGFREGSUBFIELD_RO("TM\0" "Hardware Thermal Control (HTC)", 4, 1, 0),
6316 DBGFREGSUBFIELD_RO("100MHzSteps\0" "100 MHz Multiplier control", 6, 1, 0),
6317 DBGFREGSUBFIELD_RO("HwPstate\0" "Hardware P-state control", 7, 1, 0),
6318 DBGFREGSUBFIELD_RO("TscInvariant\0" "Invariant Time Stamp Counter", 8, 1, 0),
6319 DBGFREGSUBFIELD_RO("CBP\0" "Core Performance Boost", 9, 1, 0),
6320 DBGFREGSUBFIELD_RO("EffFreqRO\0" "Read-only Effective Frequency Interface", 10, 1, 0),
6321 DBGFREGSUBFIELD_RO("ProcFdbkIf\0" "Processor Feedback Interface", 11, 1, 0),
6322 DBGFREGSUBFIELD_RO("ProcPwrRep\0" "Core power reporting interface support", 12, 1, 0),
6323 DBGFREGSUBFIELD_TERMINATOR()
6324};
6325
6326/** CPUID(0x80000008,0).EBX field descriptions. */
6327static DBGFREGSUBFIELD const g_aExtLeaf8EbxSubFields[] =
6328{
6329 DBGFREGSUBFIELD_RO("CLZERO\0" "Clear zero instruction (cacheline)", 0, 1, 0),
6330 DBGFREGSUBFIELD_RO("IRPerf\0" "Instructions retired count support", 1, 1, 0),
6331 DBGFREGSUBFIELD_RO("XSaveErPtr\0" "Save/restore error pointers (FXSAVE/RSTOR*)", 2, 1, 0),
6332 DBGFREGSUBFIELD_RO("IBPB\0" "Supports the IBPB command in IA32_PRED_CMD", 12, 1, 0),
6333 DBGFREGSUBFIELD_TERMINATOR()
6334};
6335
6336
6337static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
6338 const char *pszLeadIn, uint32_t cchWidth)
6339{
6340 if (pszLeadIn)
6341 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6342
6343 for (uint32_t iBit = 0; iBit < 32; iBit++)
6344 if (RT_BIT_32(iBit) & uVal)
6345 {
6346 while ( pDesc->pszName != NULL
6347 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6348 pDesc++;
6349 if ( pDesc->pszName != NULL
6350 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6351 {
6352 if (pDesc->cBits == 1)
6353 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6354 else
6355 {
6356 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
6357 if (pDesc->cBits < 32)
6358 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6359 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
6360 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6361 }
6362 }
6363 else
6364 pHlp->pfnPrintf(pHlp, " %u", iBit);
6365 }
6366 if (pszLeadIn)
6367 pHlp->pfnPrintf(pHlp, "\n");
6368}
6369
6370
6371static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6372 const char *pszLeadIn, uint32_t cchWidth)
6373{
6374 if (pszLeadIn)
6375 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6376
6377 for (uint32_t iBit = 0; iBit < 64; iBit++)
6378 if (RT_BIT_64(iBit) & uVal)
6379 {
6380 while ( pDesc->pszName != NULL
6381 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6382 pDesc++;
6383 if ( pDesc->pszName != NULL
6384 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6385 {
6386 if (pDesc->cBits == 1)
6387 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6388 else
6389 {
6390 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6391 if (pDesc->cBits < 64)
6392 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6393 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6394 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6395 }
6396 }
6397 else
6398 pHlp->pfnPrintf(pHlp, " %u", iBit);
6399 }
6400 if (pszLeadIn)
6401 pHlp->pfnPrintf(pHlp, "\n");
6402}
6403
6404
6405static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6406 const char *pszLeadIn, uint32_t cchWidth)
6407{
6408 if (!uVal)
6409 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6410 else
6411 {
6412 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6413 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6414 pHlp->pfnPrintf(pHlp, " )\n");
6415 }
6416}
6417
6418
6419static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6420 uint32_t cchWidth)
6421{
6422 uint32_t uCombined = uVal1 | uVal2;
6423 for (uint32_t iBit = 0; iBit < 32; iBit++)
6424 if ( (RT_BIT_32(iBit) & uCombined)
6425 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
6426 {
6427 while ( pDesc->pszName != NULL
6428 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6429 pDesc++;
6430
6431 if ( pDesc->pszName != NULL
6432 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6433 {
6434 size_t cchMnemonic = strlen(pDesc->pszName);
6435 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6436 size_t cchDesc = strlen(pszDesc);
6437 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6438 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6439 if (pDesc->cBits < 32)
6440 {
6441 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6442 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6443 }
6444
6445 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
6446 pDesc->pszName, pszDesc,
6447 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6448 uFieldValue1, uFieldValue2);
6449
6450 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6451 pDesc++;
6452 }
6453 else
6454 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6455 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6456 }
6457}
6458
6459
6460/**
6461 * Produces a detailed summary of standard leaf 0x00000001.
6462 *
6463 * @param pHlp The info helper functions.
6464 * @param pCurLeaf The 0x00000001 leaf.
6465 * @param fVerbose Whether to be very verbose or not.
6466 * @param fIntel Set if intel CPU.
6467 */
6468static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6469{
6470 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6471 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6472 uint32_t uEAX = pCurLeaf->uEax;
6473 uint32_t uEBX = pCurLeaf->uEbx;
6474
6475 pHlp->pfnPrintf(pHlp,
6476 "%36s %2d \tExtended: %d \tEffective: %d\n"
6477 "%36s %2d \tExtended: %d \tEffective: %d\n"
6478 "%36s %d\n"
6479 "%36s %d (%s)\n"
6480 "%36s %#04x\n"
6481 "%36s %d\n"
6482 "%36s %d\n"
6483 "%36s %#04x\n"
6484 ,
6485 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6486 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6487 "Stepping:", ASMGetCpuStepping(uEAX),
6488 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6489 "APIC ID:", (uEBX >> 24) & 0xff,
6490 "Logical CPUs:",(uEBX >> 16) & 0xff,
6491 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
6492 "Brand ID:", (uEBX >> 0) & 0xff);
6493 if (fVerbose)
6494 {
6495 CPUMCPUID Host;
6496 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6497 pHlp->pfnPrintf(pHlp, "Features\n");
6498 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6499 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6500 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6501 }
6502 else
6503 {
6504 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6505 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6506 }
6507}
6508
6509
6510/**
6511 * Produces a detailed summary of standard leaf 0x00000007.
6512 *
6513 * @param pHlp The info helper functions.
6514 * @param paLeaves The CPUID leaves array.
6515 * @param cLeaves The number of leaves in the array.
6516 * @param pCurLeaf The first 0x00000007 leaf.
6517 * @param fVerbose Whether to be very verbose or not.
6518 */
6519static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6520 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6521{
6522 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6523 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6524 for (;;)
6525 {
6526 CPUMCPUID Host;
6527 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6528
6529 switch (pCurLeaf->uSubLeaf)
6530 {
6531 case 0:
6532 if (fVerbose)
6533 {
6534 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6535 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6536 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6537 if (pCurLeaf->uEdx || Host.uEdx)
6538 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf7Sub0EdxSubFields, 56);
6539 }
6540 else
6541 {
6542 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6543 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6544 if (pCurLeaf->uEdx)
6545 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf7Sub0EdxSubFields, "Ext Features EDX:", 36);
6546 }
6547 break;
6548
6549 default:
6550 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
6551 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6552 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6553 break;
6554
6555 }
6556
6557 /* advance. */
6558 pCurLeaf++;
6559 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6560 || pCurLeaf->uLeaf != 0x7)
6561 break;
6562 }
6563}
6564
6565
6566/**
6567 * Produces a detailed summary of standard leaf 0x0000000d.
6568 *
6569 * @param pHlp The info helper functions.
6570 * @param paLeaves The CPUID leaves array.
6571 * @param cLeaves The number of leaves in the array.
6572 * @param pCurLeaf The first 0x00000007 leaf.
6573 * @param fVerbose Whether to be very verbose or not.
6574 */
6575static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6576 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6577{
6578 RT_NOREF_PV(fVerbose);
6579 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6580 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6581 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6582 {
6583 CPUMCPUID Host;
6584 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6585
6586 switch (uSubLeaf)
6587 {
6588 case 0:
6589 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6590 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6591 pCurLeaf->uEbx, pCurLeaf->uEcx);
6592 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6593
6594 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6595 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6596 "Valid XCR0 bits, guest:", 42);
6597 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6598 "Valid XCR0 bits, host:", 42);
6599 break;
6600
6601 case 1:
6602 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6603 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6604 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6605
6606 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6607 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
6608 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
6609
6610 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6611 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6612 " Valid IA32_XSS bits, guest:", 42);
6613 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6614 " Valid IA32_XSS bits, host:", 42);
6615 break;
6616
6617 default:
6618 if ( pCurLeaf
6619 && pCurLeaf->uSubLeaf == uSubLeaf
6620 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
6621 {
6622 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6623 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6624 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6625 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6626 if (pCurLeaf->uEdx)
6627 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6628 pHlp->pfnPrintf(pHlp, " --");
6629 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6630 pHlp->pfnPrintf(pHlp, "\n");
6631 }
6632 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
6633 {
6634 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6635 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6636 if (Host.uEcx & ~RT_BIT_32(0))
6637 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6638 if (Host.uEdx)
6639 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6640 pHlp->pfnPrintf(pHlp, " --");
6641 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6642 pHlp->pfnPrintf(pHlp, "\n");
6643 }
6644 break;
6645
6646 }
6647
6648 /* advance. */
6649 if (pCurLeaf)
6650 {
6651 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6652 && pCurLeaf->uSubLeaf <= uSubLeaf
6653 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6654 pCurLeaf++;
6655 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6656 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6657 pCurLeaf = NULL;
6658 }
6659 }
6660}
6661
6662
6663static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6664 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6665{
6666 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6667 && pCurLeaf->uLeaf <= uUpToLeaf)
6668 {
6669 pHlp->pfnPrintf(pHlp,
6670 " %s\n"
6671 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6672 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6673 && pCurLeaf->uLeaf <= uUpToLeaf)
6674 {
6675 CPUMCPUID Host;
6676 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6677 pHlp->pfnPrintf(pHlp,
6678 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6679 "Hst: %08x %08x %08x %08x\n",
6680 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6681 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6682 pCurLeaf++;
6683 }
6684 }
6685
6686 return pCurLeaf;
6687}
6688
6689
6690/**
6691 * Display the guest CpuId leaves.
6692 *
6693 * @param pVM The cross context VM structure.
6694 * @param pHlp The info helper functions.
6695 * @param pszArgs "terse", "default" or "verbose".
6696 */
6697DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6698{
6699 /*
6700 * Parse the argument.
6701 */
6702 unsigned iVerbosity = 1;
6703 if (pszArgs)
6704 {
6705 pszArgs = RTStrStripL(pszArgs);
6706 if (!strcmp(pszArgs, "terse"))
6707 iVerbosity--;
6708 else if (!strcmp(pszArgs, "verbose"))
6709 iVerbosity++;
6710 }
6711
6712 uint32_t uLeaf;
6713 CPUMCPUID Host;
6714 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6715 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6716 PCCPUMCPUIDLEAF pCurLeaf;
6717 PCCPUMCPUIDLEAF pNextLeaf;
6718 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6719 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6720 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6721
6722 /*
6723 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6724 */
6725 uint32_t cHstMax = ASMCpuId_EAX(0);
6726 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6727 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6728 pHlp->pfnPrintf(pHlp,
6729 " Raw Standard CPUID Leaves\n"
6730 " Leaf/sub-leaf eax ebx ecx edx\n");
6731 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6732 {
6733 uint32_t cMaxSubLeaves = 1;
6734 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
6735 cMaxSubLeaves = 16;
6736 else if (uLeaf == 0xd)
6737 cMaxSubLeaves = 128;
6738
6739 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6740 {
6741 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6742 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6743 && pCurLeaf->uLeaf == uLeaf
6744 && pCurLeaf->uSubLeaf == uSubLeaf)
6745 {
6746 pHlp->pfnPrintf(pHlp,
6747 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6748 "Hst: %08x %08x %08x %08x\n",
6749 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6750 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6751 pCurLeaf++;
6752 }
6753 else if ( uLeaf != 0xd
6754 || uSubLeaf <= 1
6755 || Host.uEbx != 0 )
6756 pHlp->pfnPrintf(pHlp,
6757 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6758 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6759
6760 /* Done? */
6761 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6762 || pCurLeaf->uLeaf != uLeaf)
6763 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
6764 || (uLeaf == 0x7 && Host.uEax == 0)
6765 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
6766 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6767 || (uLeaf == 0xd && uSubLeaf >= 128)
6768 )
6769 )
6770 break;
6771 }
6772 }
6773 pNextLeaf = pCurLeaf;
6774
6775 /*
6776 * If verbose, decode it.
6777 */
6778 if (iVerbosity && paLeaves[0].uLeaf == 0)
6779 pHlp->pfnPrintf(pHlp,
6780 "%36s %.04s%.04s%.04s\n"
6781 "%36s 0x00000000-%#010x\n"
6782 ,
6783 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6784 "Supports:", paLeaves[0].uEax);
6785
6786 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6787 cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6788
6789 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6790 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6791
6792 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6793 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6794
6795 pCurLeaf = pNextLeaf;
6796
6797 /*
6798 * Hypervisor leaves.
6799 *
6800 * Unlike most of the other leaves reported, the guest hypervisor leaves
6801 * aren't a subset of the host CPUID bits.
6802 */
6803 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6804
6805 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6806 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6807 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6808 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6809 cMax = RT_MAX(cHstMax, cGstMax);
6810 if (cMax >= UINT32_C(0x40000000))
6811 {
6812 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6813
6814 /** @todo dump these in more detail. */
6815
6816 pCurLeaf = pNextLeaf;
6817 }
6818
6819
6820 /*
6821 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
6822 * Implemented after AMD specs.
6823 */
6824 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6825
6826 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6827 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6828 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6829 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6830 cMax = RT_MAX(cHstMax, cGstMax);
6831 if (cMax >= UINT32_C(0x80000000))
6832 {
6833
6834 pHlp->pfnPrintf(pHlp,
6835 " Raw Extended CPUID Leaves\n"
6836 " Leaf/sub-leaf eax ebx ecx edx\n");
6837 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6838 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6839 {
6840 uint32_t cMaxSubLeaves = 1;
6841 if (uLeaf == UINT32_C(0x8000001d))
6842 cMaxSubLeaves = 16;
6843
6844 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6845 {
6846 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6847 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6848 && pCurLeaf->uLeaf == uLeaf
6849 && pCurLeaf->uSubLeaf == uSubLeaf)
6850 {
6851 pHlp->pfnPrintf(pHlp,
6852 "Gst: %08x/%04x %08x %08x %08x %08x\n"
6853 "Hst: %08x %08x %08x %08x\n",
6854 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6855 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6856 pCurLeaf++;
6857 }
6858 else if ( uLeaf != 0xd
6859 || uSubLeaf <= 1
6860 || Host.uEbx != 0 )
6861 pHlp->pfnPrintf(pHlp,
6862 "Hst: %08x/%04x %08x %08x %08x %08x\n",
6863 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6864
6865 /* Done? */
6866 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6867 || pCurLeaf->uLeaf != uLeaf)
6868 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6869 break;
6870 }
6871 }
6872 pNextLeaf = pCurLeaf;
6873
6874 /*
6875 * Understandable output
6876 */
6877 if (iVerbosity)
6878 pHlp->pfnPrintf(pHlp,
6879 "Ext Name: %.4s%.4s%.4s\n"
6880 "Ext Supports: 0x80000000-%#010x\n",
6881 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6882
6883 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6884 if (iVerbosity && pCurLeaf)
6885 {
6886 uint32_t uEAX = pCurLeaf->uEax;
6887 pHlp->pfnPrintf(pHlp,
6888 "Family: %d \tExtended: %d \tEffective: %d\n"
6889 "Model: %d \tExtended: %d \tEffective: %d\n"
6890 "Stepping: %d\n"
6891 "Brand ID: %#05x\n",
6892 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6893 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6894 ASMGetCpuStepping(uEAX),
6895 pCurLeaf->uEbx & 0xfff);
6896
6897 if (iVerbosity == 1)
6898 {
6899 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6900 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6901 }
6902 else
6903 {
6904 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6905 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6906 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6907 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6908 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6909 if (Host.uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
6910 {
6911 pHlp->pfnPrintf(pHlp, "SVM Feature Identification (leaf A):\n");
6912 ASMCpuIdExSlow(0x8000000a, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6913 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x8000000a), 0);
6914 uint32_t const uGstEdx = pCurLeaf ? pCurLeaf->uEdx : 0;
6915 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, uGstEdx, Host.uEdx, g_aExtLeafAEdxSubFields, 56);
6916 }
6917 }
6918 }
6919
6920 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6921 {
6922 char szString[4*4*3+1] = {0};
6923 uint32_t *pu32 = (uint32_t *)szString;
6924 *pu32++ = pCurLeaf->uEax;
6925 *pu32++ = pCurLeaf->uEbx;
6926 *pu32++ = pCurLeaf->uEcx;
6927 *pu32++ = pCurLeaf->uEdx;
6928 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6929 if (pCurLeaf)
6930 {
6931 *pu32++ = pCurLeaf->uEax;
6932 *pu32++ = pCurLeaf->uEbx;
6933 *pu32++ = pCurLeaf->uEcx;
6934 *pu32++ = pCurLeaf->uEdx;
6935 }
6936 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6937 if (pCurLeaf)
6938 {
6939 *pu32++ = pCurLeaf->uEax;
6940 *pu32++ = pCurLeaf->uEbx;
6941 *pu32++ = pCurLeaf->uEcx;
6942 *pu32++ = pCurLeaf->uEdx;
6943 }
6944 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6945 }
6946
6947 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6948 {
6949 uint32_t uEAX = pCurLeaf->uEax;
6950 uint32_t uEBX = pCurLeaf->uEbx;
6951 uint32_t uECX = pCurLeaf->uEcx;
6952 uint32_t uEDX = pCurLeaf->uEdx;
6953 char sz1[32];
6954 char sz2[32];
6955
6956 pHlp->pfnPrintf(pHlp,
6957 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6958 "TLB 2/4M Data: %s %3d entries\n",
6959 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6960 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6961 pHlp->pfnPrintf(pHlp,
6962 "TLB 4K Instr/Uni: %s %3d entries\n"
6963 "TLB 4K Data: %s %3d entries\n",
6964 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6965 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6966 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6967 "L1 Instr Cache Lines Per Tag: %d\n"
6968 "L1 Instr Cache Associativity: %s\n"
6969 "L1 Instr Cache Size: %d KB\n",
6970 (uEDX >> 0) & 0xff,
6971 (uEDX >> 8) & 0xff,
6972 getCacheAss((uEDX >> 16) & 0xff, sz1),
6973 (uEDX >> 24) & 0xff);
6974 pHlp->pfnPrintf(pHlp,
6975 "L1 Data Cache Line Size: %d bytes\n"
6976 "L1 Data Cache Lines Per Tag: %d\n"
6977 "L1 Data Cache Associativity: %s\n"
6978 "L1 Data Cache Size: %d KB\n",
6979 (uECX >> 0) & 0xff,
6980 (uECX >> 8) & 0xff,
6981 getCacheAss((uECX >> 16) & 0xff, sz1),
6982 (uECX >> 24) & 0xff);
6983 }
6984
6985 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6986 {
6987 uint32_t uEAX = pCurLeaf->uEax;
6988 uint32_t uEBX = pCurLeaf->uEbx;
6989 uint32_t uEDX = pCurLeaf->uEdx;
6990
6991 pHlp->pfnPrintf(pHlp,
6992 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6993 "L2 TLB 2/4M Data: %s %4d entries\n",
6994 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6995 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6996 pHlp->pfnPrintf(pHlp,
6997 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6998 "L2 TLB 4K Data: %s %4d entries\n",
6999 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
7000 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
7001 pHlp->pfnPrintf(pHlp,
7002 "L2 Cache Line Size: %d bytes\n"
7003 "L2 Cache Lines Per Tag: %d\n"
7004 "L2 Cache Associativity: %s\n"
7005 "L2 Cache Size: %d KB\n",
7006 (uEDX >> 0) & 0xff,
7007 (uEDX >> 8) & 0xf,
7008 getL2CacheAss((uEDX >> 12) & 0xf),
7009 (uEDX >> 16) & 0xffff);
7010 }
7011
7012 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
7013 {
7014 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7015 if (pCurLeaf->uEdx || (Host.uEdx && iVerbosity))
7016 {
7017 if (iVerbosity < 1)
7018 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf7EdxSubFields, "APM Features EDX:", 34);
7019 else
7020 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf7EdxSubFields, 56);
7021 }
7022 }
7023
7024 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0);
7025 if (pCurLeaf != NULL)
7026 {
7027 ASMCpuIdExSlow(UINT32_C(0x80000008), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7028 if (pCurLeaf->uEbx || (Host.uEbx && iVerbosity))
7029 {
7030 if (iVerbosity < 1)
7031 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aExtLeaf8EbxSubFields, "Ext Features ext IDs EBX:", 34);
7032 else
7033 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aExtLeaf8EbxSubFields, 56);
7034 }
7035
7036 if (iVerbosity)
7037 {
7038 uint32_t uEAX = pCurLeaf->uEax;
7039 uint32_t uECX = pCurLeaf->uEcx;
7040
7041 pHlp->pfnPrintf(pHlp,
7042 "Physical Address Width: %d bits\n"
7043 "Virtual Address Width: %d bits\n"
7044 "Guest Physical Address Width: %d bits\n",
7045 (uEAX >> 0) & 0xff,
7046 (uEAX >> 8) & 0xff,
7047 (uEAX >> 16) & 0xff);
7048 pHlp->pfnPrintf(pHlp,
7049 "Physical Core Count: %d\n",
7050 ((uECX >> 0) & 0xff) + 1);
7051 }
7052 }
7053
7054 pCurLeaf = pNextLeaf;
7055 }
7056
7057
7058
7059 /*
7060 * Centaur.
7061 */
7062 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
7063
7064 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7065 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
7066 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
7067 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
7068 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
7069 cMax = RT_MAX(cHstMax, cGstMax);
7070 if (cMax >= UINT32_C(0xc0000000))
7071 {
7072 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
7073
7074 /*
7075 * Understandable output
7076 */
7077 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
7078 pHlp->pfnPrintf(pHlp,
7079 "Centaur Supports: 0xc0000000-%#010x\n",
7080 pCurLeaf->uEax);
7081
7082 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
7083 {
7084 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
7085 uint32_t uEdxGst = pCurLeaf->uEdx;
7086 uint32_t uEdxHst = Host.uEdx;
7087
7088 if (iVerbosity == 1)
7089 {
7090 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
7091 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
7092 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
7093 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
7094 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
7095 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
7096 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
7097 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
7098 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
7099 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7100 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
7101 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
7102 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
7103 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
7104 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
7105 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
7106 for (unsigned iBit = 14; iBit < 32; iBit++)
7107 if (uEdxGst & RT_BIT(iBit))
7108 pHlp->pfnPrintf(pHlp, " %d", iBit);
7109 pHlp->pfnPrintf(pHlp, "\n");
7110 }
7111 else
7112 {
7113 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
7114 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
7115 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
7116 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
7117 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
7118 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
7119 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
7120 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
7121 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
7122 /* possibly indicating MM/HE and MM/HE-E on older chips... */
7123 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
7124 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
7125 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
7126 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
7127 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
7128 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
7129 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
7130 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
7131 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
7132 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
7133 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
7134 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
7135 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
7136 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
7137 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
7138 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
7139 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
7140 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
7141 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
7142 for (unsigned iBit = 27; iBit < 32; iBit++)
7143 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
7144 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
7145 pHlp->pfnPrintf(pHlp, "\n");
7146 }
7147 }
7148
7149 pCurLeaf = pNextLeaf;
7150 }
7151
7152 /*
7153 * The remainder.
7154 */
7155 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
7156}
7157
7158#endif /* !IN_VBOX_CPU_REPORT */
7159
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