VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 60411

Last change on this file since 60411 was 60411, checked in by vboxsync, 9 years ago

VMM,Main: Added 286, 186 and 8086 CPU profiles to play with.

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File size: 294.9 KB
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1/* $Id: CPUMR3CpuId.cpp 60411 2016-04-10 17:16:09Z vboxsync $ */
2/** @file
3 * CPUM - CPU ID part.
4 */
5
6/*
7 * Copyright (C) 2013-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_CPUM
23#include <VBox/vmm/cpum.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/hm.h>
26#include <VBox/vmm/ssm.h>
27#include "CPUMInternal.h"
28#include <VBox/vmm/vm.h>
29#include <VBox/vmm/mm.h>
30
31#include <VBox/err.h>
32#include <iprt/asm-amd64-x86.h>
33#include <iprt/ctype.h>
34#include <iprt/mem.h>
35#include <iprt/string.h>
36
37
38/*********************************************************************************************************************************
39* Defined Constants And Macros *
40*********************************************************************************************************************************/
41/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
42#define CPUM_CPUID_MAX_LEAVES 2048
43/* Max size we accept for the XSAVE area. */
44#define CPUM_MAX_XSAVE_AREA_SIZE 10240
45/* Min size we accept for the XSAVE area. */
46#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
47
48
49/*********************************************************************************************************************************
50* Global Variables *
51*********************************************************************************************************************************/
52/**
53 * The intel pentium family.
54 */
55static const CPUMMICROARCH g_aenmIntelFamily06[] =
56{
57 /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */
58 /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */
59 /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
60 /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */
61 /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
62 /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */
63 /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */
64 /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */
65 /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */
66 /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */
67 /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */
68 /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */
69 /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
70 /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */
71 /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */
72 /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */
73 /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
74 /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
75 /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
76 /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
77 /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
78 /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */
79 /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
80 /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
81 /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
82 /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
83 /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
84 /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
85 /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */
86 /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
87 /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */
88 /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
89 /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
90 /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
91 /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
92 /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
93 /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
94 /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */
95 /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
96 /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
97 /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
98 /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
99 /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
100 /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
101 /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */
102 /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
103 /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */
104 /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */
105 /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
106 /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
107 /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
108 /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
109 /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
110 /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */
111 /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */
112 /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
113 /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
114 /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
115 /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
116 /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
117 /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
118 /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
119 /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
120 /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
121 /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
122 /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
123 /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
124 /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
125 /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
126 /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
127 /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
128 /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */
129 /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
130 /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
131 /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
132 /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
133 /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
134 /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
135 /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed */
136 /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* unconfirmed, Broadwell-E */
137 /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
138 /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
139 /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
140 /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
141 /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
142 /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* unconfirmed server cpu */
143 /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */
144 /* [87(0x57)] = */ kCpumMicroarch_Intel_Unknown,
145 /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
146 /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
147 /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */
148 /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
149 /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* unconfirmed */
150 /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */
151 /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */
152 /* [95(0x5f)] = */ kCpumMicroarch_Intel_Unknown,
153 /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
154 /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
155 /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
156 /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
157 /* [99(0x64)] = */ kCpumMicroarch_Intel_Unknown,
158 /* [99(0x65)] = */ kCpumMicroarch_Intel_Unknown,
159 /* [99(0x66)] = */ kCpumMicroarch_Intel_Core7_Cannonlake, /* unconfirmed */
160};
161
162
163
164/**
165 * Figures out the (sub-)micro architecture given a bit of CPUID info.
166 *
167 * @returns Micro architecture.
168 * @param enmVendor The CPU vendor .
169 * @param bFamily The CPU family.
170 * @param bModel The CPU model.
171 * @param bStepping The CPU stepping.
172 */
173VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
174 uint8_t bModel, uint8_t bStepping)
175{
176 if (enmVendor == CPUMCPUVENDOR_AMD)
177 {
178 switch (bFamily)
179 {
180 case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
181 case 0x03: return kCpumMicroarch_AMD_Am386;
182 case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
183 case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
184 case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
185 case 0x06:
186 switch (bModel)
187 {
188 case 0: return kCpumMicroarch_AMD_K7_Palomino;
189 case 1: return kCpumMicroarch_AMD_K7_Palomino;
190 case 2: return kCpumMicroarch_AMD_K7_Palomino;
191 case 3: return kCpumMicroarch_AMD_K7_Spitfire;
192 case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
193 case 6: return kCpumMicroarch_AMD_K7_Palomino;
194 case 7: return kCpumMicroarch_AMD_K7_Morgan;
195 case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
196 case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
197 }
198 return kCpumMicroarch_AMD_K7_Unknown;
199 case 0x0f:
200 /*
201 * This family is a friggin mess. Trying my best to make some
202 * sense out of it. Too much happened in the 0x0f family to
203 * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
204 *
205 * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
206 * cpu-world.com, and other places:
207 * - 130nm:
208 * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
209 * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
210 * - Newcastle: FC0/DH-CG (errum #180: FE0/DH-CG), FF0/DH-CG
211 * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
212 * - Odessa: FC0/DH-CG (errum #180: FE0/DH-CG)
213 * - Paris: FF0/DH-CG, FC0/DH-CG (errum #180: FE0/DH-CG),
214 * - 90nm:
215 * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
216 * - Oakville: 10FC0/DH-D0.
217 * - Georgetown: 10FC0/DH-D0.
218 * - Sonora: 10FC0/DH-D0.
219 * - Venus: 20F71/SH-E4
220 * - Troy: 20F51/SH-E4
221 * - Athens: 20F51/SH-E4
222 * - San Diego: 20F71/SH-E4.
223 * - Lancaster: 20F42/SH-E5
224 * - Newark: 20F42/SH-E5.
225 * - Albany: 20FC2/DH-E6.
226 * - Roma: 20FC2/DH-E6.
227 * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
228 * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
229 * - 90nm introducing Dual core:
230 * - Denmark: 20F30/JH-E1, 20F32/JH-E6
231 * - Italy: 20F10/JH-E1, 20F12/JH-E6
232 * - Egypt: 20F10/JH-E1, 20F12/JH-E6
233 * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
234 * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
235 * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
236 * - Santa Ana: 40F32/JH-F2, /-F3
237 * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
238 * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
239 * - Manila: 50FF2/DH-F2, 40FF2/DH-F2
240 * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
241 * - Keene: 40FC2/DH-F2.
242 * - Richmond: 40FC2/DH-F2
243 * - Taylor: 40F82/BH-F2
244 * - Trinidad: 40F82/BH-F2
245 *
246 * - 65nm:
247 * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
248 * - Tyler: 60F81/BH-G1, 60F82/BH-G2.
249 * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
250 * - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
251 * - Sherman: /-G1, 70FC2/DH-G2.
252 * - Huron: 70FF2/DH-G2.
253 */
254 if (bModel < 0x10)
255 return kCpumMicroarch_AMD_K8_130nm;
256 if (bModel >= 0x60 && bModel < 0x80)
257 return kCpumMicroarch_AMD_K8_65nm;
258 if (bModel >= 0x40)
259 return kCpumMicroarch_AMD_K8_90nm_AMDV;
260 switch (bModel)
261 {
262 case 0x21:
263 case 0x23:
264 case 0x2b:
265 case 0x2f:
266 case 0x37:
267 case 0x3f:
268 return kCpumMicroarch_AMD_K8_90nm_DualCore;
269 }
270 return kCpumMicroarch_AMD_K8_90nm;
271 case 0x10:
272 return kCpumMicroarch_AMD_K10;
273 case 0x11:
274 return kCpumMicroarch_AMD_K10_Lion;
275 case 0x12:
276 return kCpumMicroarch_AMD_K10_Llano;
277 case 0x14:
278 return kCpumMicroarch_AMD_Bobcat;
279 case 0x15:
280 switch (bModel)
281 {
282 case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
283 case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
284 case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
285 case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
286 case 0x11: /* ?? */
287 case 0x12: /* ?? */
288 case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
289 }
290 return kCpumMicroarch_AMD_15h_Unknown;
291 case 0x16:
292 return kCpumMicroarch_AMD_Jaguar;
293
294 }
295 return kCpumMicroarch_AMD_Unknown;
296 }
297
298 if (enmVendor == CPUMCPUVENDOR_INTEL)
299 {
300 switch (bFamily)
301 {
302 case 3:
303 return kCpumMicroarch_Intel_80386;
304 case 4:
305 return kCpumMicroarch_Intel_80486;
306 case 5:
307 return kCpumMicroarch_Intel_P5;
308 case 6:
309 if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
310 return g_aenmIntelFamily06[bModel];
311 return kCpumMicroarch_Intel_Atom_Unknown;
312 case 15:
313 switch (bModel)
314 {
315 case 0: return kCpumMicroarch_Intel_NB_Willamette;
316 case 1: return kCpumMicroarch_Intel_NB_Willamette;
317 case 2: return kCpumMicroarch_Intel_NB_Northwood;
318 case 3: return kCpumMicroarch_Intel_NB_Prescott;
319 case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
320 case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/
321 case 6: return kCpumMicroarch_Intel_NB_CedarMill;
322 case 7: return kCpumMicroarch_Intel_NB_Gallatin;
323 default: return kCpumMicroarch_Intel_NB_Unknown;
324 }
325 break;
326 /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
327 case 1:
328 return kCpumMicroarch_Intel_8086;
329 case 2:
330 return kCpumMicroarch_Intel_80286;
331 }
332 return kCpumMicroarch_Intel_Unknown;
333 }
334
335 if (enmVendor == CPUMCPUVENDOR_VIA)
336 {
337 switch (bFamily)
338 {
339 case 5:
340 switch (bModel)
341 {
342 case 1: return kCpumMicroarch_Centaur_C6;
343 case 4: return kCpumMicroarch_Centaur_C6;
344 case 8: return kCpumMicroarch_Centaur_C2;
345 case 9: return kCpumMicroarch_Centaur_C3;
346 }
347 break;
348
349 case 6:
350 switch (bModel)
351 {
352 case 5: return kCpumMicroarch_VIA_C3_M2;
353 case 6: return kCpumMicroarch_VIA_C3_C5A;
354 case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
355 case 8: return kCpumMicroarch_VIA_C3_C5N;
356 case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
357 case 10: return kCpumMicroarch_VIA_C7_C5J;
358 case 15: return kCpumMicroarch_VIA_Isaiah;
359 }
360 break;
361 }
362 return kCpumMicroarch_VIA_Unknown;
363 }
364
365 if (enmVendor == CPUMCPUVENDOR_CYRIX)
366 {
367 switch (bFamily)
368 {
369 case 4:
370 switch (bModel)
371 {
372 case 9: return kCpumMicroarch_Cyrix_5x86;
373 }
374 break;
375
376 case 5:
377 switch (bModel)
378 {
379 case 2: return kCpumMicroarch_Cyrix_M1;
380 case 4: return kCpumMicroarch_Cyrix_MediaGX;
381 case 5: return kCpumMicroarch_Cyrix_MediaGXm;
382 }
383 break;
384
385 case 6:
386 switch (bModel)
387 {
388 case 0: return kCpumMicroarch_Cyrix_M2;
389 }
390 break;
391
392 }
393 return kCpumMicroarch_Cyrix_Unknown;
394 }
395
396 return kCpumMicroarch_Unknown;
397}
398
399
400/**
401 * Translates a microarchitecture enum value to the corresponding string
402 * constant.
403 *
404 * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
405 * NULL if the value is invalid.
406 *
407 * @param enmMicroarch The enum value to convert.
408 */
409VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
410{
411 switch (enmMicroarch)
412 {
413#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
414 CASE_RET_STR(kCpumMicroarch_Intel_8086);
415 CASE_RET_STR(kCpumMicroarch_Intel_80186);
416 CASE_RET_STR(kCpumMicroarch_Intel_80286);
417 CASE_RET_STR(kCpumMicroarch_Intel_80386);
418 CASE_RET_STR(kCpumMicroarch_Intel_80486);
419 CASE_RET_STR(kCpumMicroarch_Intel_P5);
420
421 CASE_RET_STR(kCpumMicroarch_Intel_P6);
422 CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
423 CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
424
425 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
426 CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
427 CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
428
429 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
430 CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
431
432 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
433 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
434 CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
435 CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
436 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
437 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
438 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
439 CASE_RET_STR(kCpumMicroarch_Intel_Core7_Cannonlake);
440
441 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
442 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
443 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
444 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
445 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
446 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
447 CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
448
449 CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
450 CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
451 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
452 CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
453 CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
454 CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
455 CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
456
457 CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
458
459 CASE_RET_STR(kCpumMicroarch_AMD_Am286);
460 CASE_RET_STR(kCpumMicroarch_AMD_Am386);
461 CASE_RET_STR(kCpumMicroarch_AMD_Am486);
462 CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
463 CASE_RET_STR(kCpumMicroarch_AMD_K5);
464 CASE_RET_STR(kCpumMicroarch_AMD_K6);
465
466 CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
467 CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
468 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
469 CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
470 CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
471 CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
472 CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
473
474 CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
475 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
476 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
477 CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
478 CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
479
480 CASE_RET_STR(kCpumMicroarch_AMD_K10);
481 CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
482 CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
483 CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
484 CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
485
486 CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
487 CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
488 CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
489 CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
490 CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
491
492 CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
493
494 CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
495
496 CASE_RET_STR(kCpumMicroarch_Centaur_C6);
497 CASE_RET_STR(kCpumMicroarch_Centaur_C2);
498 CASE_RET_STR(kCpumMicroarch_Centaur_C3);
499 CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
500 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
501 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
502 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
503 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
504 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
505 CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
506 CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
507 CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
508 CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
509
510 CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
511 CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
512 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
513 CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
514 CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
515 CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
516
517 CASE_RET_STR(kCpumMicroarch_Unknown);
518
519#undef CASE_RET_STR
520 case kCpumMicroarch_Invalid:
521 case kCpumMicroarch_Intel_End:
522 case kCpumMicroarch_Intel_Core7_End:
523 case kCpumMicroarch_Intel_Atom_End:
524 case kCpumMicroarch_Intel_P6_Core_Atom_End:
525 case kCpumMicroarch_Intel_NB_End:
526 case kCpumMicroarch_AMD_K7_End:
527 case kCpumMicroarch_AMD_K8_End:
528 case kCpumMicroarch_AMD_15h_End:
529 case kCpumMicroarch_AMD_16h_End:
530 case kCpumMicroarch_AMD_End:
531 case kCpumMicroarch_VIA_End:
532 case kCpumMicroarch_Cyrix_End:
533 case kCpumMicroarch_32BitHack:
534 break;
535 /* no default! */
536 }
537
538 return NULL;
539}
540
541
542
543/**
544 * Gets a matching leaf in the CPUID leaf array.
545 *
546 * @returns Pointer to the matching leaf, or NULL if not found.
547 * @param paLeaves The CPUID leaves to search. This is sorted.
548 * @param cLeaves The number of leaves in the array.
549 * @param uLeaf The leaf to locate.
550 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
551 */
552static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
553{
554 /* Lazy bird does linear lookup here since this is only used for the
555 occational CPUID overrides. */
556 for (uint32_t i = 0; i < cLeaves; i++)
557 if ( paLeaves[i].uLeaf == uLeaf
558 && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
559 return &paLeaves[i];
560 return NULL;
561}
562
563
564/**
565 * Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
566 *
567 * @returns true if found, false it not.
568 * @param paLeaves The CPUID leaves to search. This is sorted.
569 * @param cLeaves The number of leaves in the array.
570 * @param uLeaf The leaf to locate.
571 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
572 * @param pLegacy The legacy output leaf.
573 */
574static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
575 PCPUMCPUID pLegacy)
576{
577 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
578 if (pLeaf)
579 {
580 pLegacy->uEax = pLeaf->uEax;
581 pLegacy->uEbx = pLeaf->uEbx;
582 pLegacy->uEcx = pLeaf->uEcx;
583 pLegacy->uEdx = pLeaf->uEdx;
584 return true;
585 }
586 return false;
587}
588
589
590/**
591 * Ensures that the CPUID leaf array can hold one more leaf.
592 *
593 * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
594 * failure.
595 * @param pVM The cross context VM structure. If NULL, use
596 * the process heap, otherwise the VM's hyper heap.
597 * @param ppaLeaves Pointer to the variable holding the array pointer
598 * (input/output).
599 * @param cLeaves The current array size.
600 *
601 * @remarks This function will automatically update the R0 and RC pointers when
602 * using the hyper heap, which means @a ppaLeaves and @a cLeaves must
603 * be the corresponding VM's CPUID arrays (which is asserted).
604 */
605static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
606{
607 /*
608 * If pVM is not specified, we're on the regular heap and can waste a
609 * little space to speed things up.
610 */
611 uint32_t cAllocated;
612 if (!pVM)
613 {
614 cAllocated = RT_ALIGN(cLeaves, 16);
615 if (cLeaves + 1 > cAllocated)
616 {
617 void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
618 if (pvNew)
619 *ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
620 else
621 {
622 RTMemFree(*ppaLeaves);
623 *ppaLeaves = NULL;
624 }
625 }
626 }
627 /*
628 * Otherwise, we're on the hyper heap and are probably just inserting
629 * one or two leaves and should conserve space.
630 */
631 else
632 {
633#ifdef IN_VBOX_CPU_REPORT
634 AssertReleaseFailed();
635#else
636 Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
637 Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
638
639 size_t cb = cLeaves * sizeof(**ppaLeaves);
640 size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
641 int rc = MMR3HyperRealloc(pVM, *ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void **)ppaLeaves);
642 if (RT_SUCCESS(rc))
643 {
644 /* Update the R0 and RC pointers. */
645 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
646 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
647 }
648 else
649 {
650 *ppaLeaves = NULL;
651 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
652 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
653 LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
654 }
655#endif
656 }
657 return *ppaLeaves;
658}
659
660
661/**
662 * Append a CPUID leaf or sub-leaf.
663 *
664 * ASSUMES linear insertion order, so we'll won't need to do any searching or
665 * replace anything. Use cpumR3CpuIdInsert() for those cases.
666 *
667 * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
668 * the caller need do no more work.
669 * @param ppaLeaves Pointer to the the pointer to the array of sorted
670 * CPUID leaves and sub-leaves.
671 * @param pcLeaves Where we keep the leaf count for *ppaLeaves.
672 * @param uLeaf The leaf we're adding.
673 * @param uSubLeaf The sub-leaf number.
674 * @param fSubLeafMask The sub-leaf mask.
675 * @param uEax The EAX value.
676 * @param uEbx The EBX value.
677 * @param uEcx The ECX value.
678 * @param uEdx The EDX value.
679 * @param fFlags The flags.
680 */
681static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves,
682 uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
683 uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
684{
685 if (!cpumR3CpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves))
686 return VERR_NO_MEMORY;
687
688 PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves];
689 Assert( *pcLeaves == 0
690 || pNew[-1].uLeaf < uLeaf
691 || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
692
693 pNew->uLeaf = uLeaf;
694 pNew->uSubLeaf = uSubLeaf;
695 pNew->fSubLeafMask = fSubLeafMask;
696 pNew->uEax = uEax;
697 pNew->uEbx = uEbx;
698 pNew->uEcx = uEcx;
699 pNew->uEdx = uEdx;
700 pNew->fFlags = fFlags;
701
702 *pcLeaves += 1;
703 return VINF_SUCCESS;
704}
705
706
707/**
708 * Checks that we've updated the CPUID leaves array correctly.
709 *
710 * This is a no-op in non-strict builds.
711 *
712 * @param paLeaves The leaves array.
713 * @param cLeaves The number of leaves.
714 */
715static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
716{
717#ifdef VBOX_STRICT
718 for (uint32_t i = 1; i < cLeaves; i++)
719 if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
720 AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
721 else
722 {
723 AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
724 ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
725 AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
726 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
727 AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
728 ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
729 }
730#else
731 NOREF(paLeaves);
732 NOREF(cLeaves);
733#endif
734}
735
736
737/**
738 * Inserts a CPU ID leaf, replacing any existing ones.
739 *
740 * When inserting a simple leaf where we already got a series of sub-leaves with
741 * the same leaf number (eax), the simple leaf will replace the whole series.
742 *
743 * When pVM is NULL, this ASSUMES that the leaves array is still on the normal
744 * host-context heap and has only been allocated/reallocated by the
745 * cpumR3CpuIdEnsureSpace function.
746 *
747 * @returns VBox status code.
748 * @param pVM The cross context VM structure. If NULL, use
749 * the process heap, otherwise the VM's hyper heap.
750 * @param ppaLeaves Pointer to the the pointer to the array of sorted
751 * CPUID leaves and sub-leaves. Must be NULL if using
752 * the hyper heap.
753 * @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
754 * be NULL if using the hyper heap.
755 * @param pNewLeaf Pointer to the data of the new leaf we're about to
756 * insert.
757 */
758static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
759{
760 /*
761 * Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
762 */
763 if (pVM)
764 {
765 AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
766 AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
767
768 ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
769 pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
770 }
771
772 PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
773 uint32_t cLeaves = *pcLeaves;
774
775 /*
776 * Validate the new leaf a little.
777 */
778 AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
779 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
780 VERR_INVALID_FLAGS);
781 AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 || pNewLeaf->uSubLeaf == 0,
782 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
783 VERR_INVALID_PARAMETER);
784 AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
785 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
786 VERR_INVALID_PARAMETER);
787 AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
788 ("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
789 VERR_INVALID_PARAMETER);
790
791 /*
792 * Find insertion point. The lazy bird uses the same excuse as in
793 * cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
794 */
795 uint32_t i;
796 if ( cLeaves > 0
797 && paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
798 {
799 /* Add at end. */
800 i = cLeaves;
801 }
802 else if ( cLeaves > 0
803 && paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
804 {
805 /* Either replacing the last leaf or dealing with sub-leaves. Spool
806 back to the first sub-leaf to pretend we did the linear search. */
807 i = cLeaves - 1;
808 while ( i > 0
809 && paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
810 i--;
811 }
812 else
813 {
814 /* Linear search from the start. */
815 i = 0;
816 while ( i < cLeaves
817 && paLeaves[i].uLeaf < pNewLeaf->uLeaf)
818 i++;
819 }
820 if ( i < cLeaves
821 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
822 {
823 if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
824 {
825 /*
826 * The sub-leaf mask differs, replace all existing leaves with the
827 * same leaf number.
828 */
829 uint32_t c = 1;
830 while ( i + c < cLeaves
831 && paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
832 c++;
833 if (c > 1 && i + c < cLeaves)
834 {
835 memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
836 *pcLeaves = cLeaves -= c - 1;
837 }
838
839 paLeaves[i] = *pNewLeaf;
840 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
841 return VINF_SUCCESS;
842 }
843
844 /* Find sub-leaf insertion point. */
845 while ( i < cLeaves
846 && paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
847 && paLeaves[i].uLeaf == pNewLeaf->uLeaf)
848 i++;
849
850 /*
851 * If we've got an exactly matching leaf, replace it.
852 */
853 if ( i < cLeaves
854 && paLeaves[i].uLeaf == pNewLeaf->uLeaf
855 && paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
856 {
857 paLeaves[i] = *pNewLeaf;
858 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
859 return VINF_SUCCESS;
860 }
861 }
862
863 /*
864 * Adding a new leaf at 'i'.
865 */
866 AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
867 paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
868 if (!paLeaves)
869 return VERR_NO_MEMORY;
870
871 if (i < cLeaves)
872 memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
873 *pcLeaves += 1;
874 paLeaves[i] = *pNewLeaf;
875
876 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
877 return VINF_SUCCESS;
878}
879
880
881/**
882 * Removes a range of CPUID leaves.
883 *
884 * This will not reallocate the array.
885 *
886 * @param paLeaves The array of sorted CPUID leaves and sub-leaves.
887 * @param pcLeaves Where we keep the leaf count for @a paLeaves.
888 * @param uFirst The first leaf.
889 * @param uLast The last leaf.
890 */
891static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
892{
893 uint32_t cLeaves = *pcLeaves;
894
895 Assert(uFirst <= uLast);
896
897 /*
898 * Find the first one.
899 */
900 uint32_t iFirst = 0;
901 while ( iFirst < cLeaves
902 && paLeaves[iFirst].uLeaf < uFirst)
903 iFirst++;
904
905 /*
906 * Find the end (last + 1).
907 */
908 uint32_t iEnd = iFirst;
909 while ( iEnd < cLeaves
910 && paLeaves[iEnd].uLeaf <= uLast)
911 iEnd++;
912
913 /*
914 * Adjust the array if anything needs removing.
915 */
916 if (iFirst < iEnd)
917 {
918 if (iEnd < cLeaves)
919 memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
920 *pcLeaves = cLeaves -= (iEnd - iFirst);
921 }
922
923 cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
924}
925
926
927
928/**
929 * Checks if ECX make a difference when reading a given CPUID leaf.
930 *
931 * @returns @c true if it does, @c false if it doesn't.
932 * @param uLeaf The leaf we're reading.
933 * @param pcSubLeaves Number of sub-leaves accessible via ECX.
934 * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
935 * final sub-leaf (for leaf 0xb only).
936 */
937static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged)
938{
939 *pfFinalEcxUnchanged = false;
940
941 uint32_t auCur[4];
942 uint32_t auPrev[4];
943 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
944
945 /* Look for sub-leaves. */
946 uint32_t uSubLeaf = 1;
947 for (;;)
948 {
949 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
950 if (memcmp(auCur, auPrev, sizeof(auCur)))
951 break;
952
953 /* Advance / give up. */
954 uSubLeaf++;
955 if (uSubLeaf >= 64)
956 {
957 *pcSubLeaves = 1;
958 return false;
959 }
960 }
961
962 /* Count sub-leaves. */
963 uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
964 uint32_t cRepeats = 0;
965 uSubLeaf = 0;
966 for (;;)
967 {
968 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
969
970 /* Figuring out when to stop isn't entirely straight forward as we need
971 to cover undocumented behavior up to a point and implementation shortcuts. */
972
973 /* 1. Look for more than 4 repeating value sets. */
974 if ( auCur[0] == auPrev[0]
975 && auCur[1] == auPrev[1]
976 && ( auCur[2] == auPrev[2]
977 || ( auCur[2] == uSubLeaf
978 && auPrev[2] == uSubLeaf - 1) )
979 && auCur[3] == auPrev[3])
980 {
981 if ( uLeaf != 0xd
982 || uSubLeaf >= 64
983 || ( auCur[0] == 0
984 && auCur[1] == 0
985 && auCur[2] == 0
986 && auCur[3] == 0
987 && auPrev[2] == 0) )
988 cRepeats++;
989 if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
990 break;
991 }
992 else
993 cRepeats = 0;
994
995 /* 2. Look for zero values. */
996 if ( auCur[0] == 0
997 && auCur[1] == 0
998 && (auCur[2] == 0 || auCur[2] == uSubLeaf)
999 && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */)
1000 && uSubLeaf >= cMinLeaves)
1001 {
1002 cRepeats = 0;
1003 break;
1004 }
1005
1006 /* 3. Leaf 0xb level type 0 check. */
1007 if ( uLeaf == 0xb
1008 && (auCur[2] & 0xff00) == 0
1009 && (auPrev[2] & 0xff00) == 0)
1010 {
1011 cRepeats = 0;
1012 break;
1013 }
1014
1015 /* 99. Give up. */
1016 if (uSubLeaf >= 128)
1017 {
1018#ifndef IN_VBOX_CPU_REPORT
1019 /* Ok, limit it according to the documentation if possible just to
1020 avoid annoying users with these detection issues. */
1021 uint32_t cDocLimit = UINT32_MAX;
1022 if (uLeaf == 0x4)
1023 cDocLimit = 4;
1024 else if (uLeaf == 0x7)
1025 cDocLimit = 1;
1026 else if (uLeaf == 0xd)
1027 cDocLimit = 63;
1028 else if (uLeaf == 0xf)
1029 cDocLimit = 2;
1030 if (cDocLimit != UINT32_MAX)
1031 {
1032 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1033 *pcSubLeaves = cDocLimit + 3;
1034 return true;
1035 }
1036#endif
1037 *pcSubLeaves = UINT32_MAX;
1038 return true;
1039 }
1040
1041 /* Advance. */
1042 uSubLeaf++;
1043 memcpy(auPrev, auCur, sizeof(auCur));
1044 }
1045
1046 /* Standard exit. */
1047 *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1048 *pcSubLeaves = uSubLeaf + 1 - cRepeats;
1049 if (*pcSubLeaves == 0)
1050 *pcSubLeaves = 1;
1051 return true;
1052}
1053
1054
1055/**
1056 * Gets a CPU ID leaf.
1057 *
1058 * @returns VBox status code.
1059 * @param pVM The cross context VM structure.
1060 * @param pLeaf Where to store the found leaf.
1061 * @param uLeaf The leaf to locate.
1062 * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1063 */
1064VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1065{
1066 PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1067 uLeaf, uSubLeaf);
1068 if (pcLeaf)
1069 {
1070 memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1071 return VINF_SUCCESS;
1072 }
1073
1074 return VERR_NOT_FOUND;
1075}
1076
1077
1078/**
1079 * Inserts a CPU ID leaf, replacing any existing ones.
1080 *
1081 * @returns VBox status code.
1082 * @param pVM The cross context VM structure.
1083 * @param pNewLeaf Pointer to the leaf being inserted.
1084 */
1085VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1086{
1087 /*
1088 * Validate parameters.
1089 */
1090 AssertReturn(pVM, VERR_INVALID_PARAMETER);
1091 AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1092
1093 /*
1094 * Disallow replacing CPU ID leaves that this API currently cannot manage.
1095 * These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1096 * If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1097 */
1098 if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1099 || pNewLeaf->uLeaf == UINT32_C(0x00000001)
1100 || pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1101 || pNewLeaf->uLeaf == UINT32_C(0x80000001)
1102 || pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1103 || pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1104 {
1105 return VERR_NOT_SUPPORTED;
1106 }
1107
1108 return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves */, NULL /* pcLeaves */, pNewLeaf);
1109}
1110
1111/**
1112 * Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1113 *
1114 * @returns VBox status code.
1115 * @param ppaLeaves Where to return the array pointer on success.
1116 * Use RTMemFree to release.
1117 * @param pcLeaves Where to return the size of the array on
1118 * success.
1119 */
1120VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
1121{
1122 *ppaLeaves = NULL;
1123 *pcLeaves = 0;
1124
1125 /*
1126 * Try out various candidates. This must be sorted!
1127 */
1128 static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1129 {
1130 { UINT32_C(0x00000000), false },
1131 { UINT32_C(0x10000000), false },
1132 { UINT32_C(0x20000000), false },
1133 { UINT32_C(0x30000000), false },
1134 { UINT32_C(0x40000000), false },
1135 { UINT32_C(0x50000000), false },
1136 { UINT32_C(0x60000000), false },
1137 { UINT32_C(0x70000000), false },
1138 { UINT32_C(0x80000000), false },
1139 { UINT32_C(0x80860000), false },
1140 { UINT32_C(0x8ffffffe), true },
1141 { UINT32_C(0x8fffffff), true },
1142 { UINT32_C(0x90000000), false },
1143 { UINT32_C(0xa0000000), false },
1144 { UINT32_C(0xb0000000), false },
1145 { UINT32_C(0xc0000000), false },
1146 { UINT32_C(0xd0000000), false },
1147 { UINT32_C(0xe0000000), false },
1148 { UINT32_C(0xf0000000), false },
1149 };
1150
1151 for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1152 {
1153 uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1154 uint32_t uEax, uEbx, uEcx, uEdx;
1155 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1156
1157 /*
1158 * Does EAX look like a typical leaf count value?
1159 */
1160 if ( uEax > uLeaf
1161 && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1162 {
1163 /* Yes, dump them. */
1164 uint32_t cLeaves = uEax - uLeaf + 1;
1165 while (cLeaves-- > 0)
1166 {
1167 ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1168
1169 uint32_t fFlags = 0;
1170
1171 /* There are currently three known leaves containing an APIC ID
1172 that needs EMT specific attention */
1173 if (uLeaf == 1)
1174 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1175 else if (uLeaf == 0xb && uEcx != 0)
1176 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1177 else if ( uLeaf == UINT32_C(0x8000001e)
1178 && ( uEax
1179 || uEbx
1180 || uEdx
1181 || ASMIsAmdCpuEx((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1182 fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1183
1184
1185 /* Check three times here to reduce the chance of CPU migration
1186 resulting in false positives with things like the APIC ID. */
1187 uint32_t cSubLeaves;
1188 bool fFinalEcxUnchanged;
1189 if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1190 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1191 && cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1192 {
1193 if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1194 {
1195 /* This shouldn't happen. But in case it does, file all
1196 relevant details in the release log. */
1197 LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1198 LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1199 for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1200 {
1201 uint32_t auTmp[4];
1202 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1203 LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1204 uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1205 }
1206 LogRel(("----------------- dump of what we've found so far -----------------\n"));
1207 for (uint32_t i = 0 ; i < *pcLeaves; i++)
1208 LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1209 (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1210 (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx));
1211 LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1212 return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1213 }
1214
1215 if (fFinalEcxUnchanged)
1216 fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1217
1218 for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1219 {
1220 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1221 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1222 uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1223 if (RT_FAILURE(rc))
1224 return rc;
1225 }
1226 }
1227 else
1228 {
1229 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1230 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1231 if (RT_FAILURE(rc))
1232 return rc;
1233 }
1234
1235 /* next */
1236 uLeaf++;
1237 }
1238 }
1239 /*
1240 * Special CPUIDs needs special handling as they don't follow the
1241 * leaf count principle used above.
1242 */
1243 else if (s_aCandidates[iOuter].fSpecial)
1244 {
1245 bool fKeep = false;
1246 if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1247 fKeep = true;
1248 else if ( uLeaf == 0x8fffffff
1249 && RT_C_IS_PRINT(RT_BYTE1(uEax))
1250 && RT_C_IS_PRINT(RT_BYTE2(uEax))
1251 && RT_C_IS_PRINT(RT_BYTE3(uEax))
1252 && RT_C_IS_PRINT(RT_BYTE4(uEax))
1253 && RT_C_IS_PRINT(RT_BYTE1(uEbx))
1254 && RT_C_IS_PRINT(RT_BYTE2(uEbx))
1255 && RT_C_IS_PRINT(RT_BYTE3(uEbx))
1256 && RT_C_IS_PRINT(RT_BYTE4(uEbx))
1257 && RT_C_IS_PRINT(RT_BYTE1(uEcx))
1258 && RT_C_IS_PRINT(RT_BYTE2(uEcx))
1259 && RT_C_IS_PRINT(RT_BYTE3(uEcx))
1260 && RT_C_IS_PRINT(RT_BYTE4(uEcx))
1261 && RT_C_IS_PRINT(RT_BYTE1(uEdx))
1262 && RT_C_IS_PRINT(RT_BYTE2(uEdx))
1263 && RT_C_IS_PRINT(RT_BYTE3(uEdx))
1264 && RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1265 fKeep = true;
1266 if (fKeep)
1267 {
1268 int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1269 uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1270 if (RT_FAILURE(rc))
1271 return rc;
1272 }
1273 }
1274 }
1275
1276 cpumR3CpuIdAssertOrder(*ppaLeaves, *pcLeaves);
1277 return VINF_SUCCESS;
1278}
1279
1280
1281/**
1282 * Determines the method the CPU uses to handle unknown CPUID leaves.
1283 *
1284 * @returns VBox status code.
1285 * @param penmUnknownMethod Where to return the method.
1286 * @param pDefUnknown Where to return default unknown values. This
1287 * will be set, even if the resulting method
1288 * doesn't actually needs it.
1289 */
1290VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1291{
1292 uint32_t uLastStd = ASMCpuId_EAX(0);
1293 uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1294 if (!ASMIsValidExtRange(uLastExt))
1295 uLastExt = 0x80000000;
1296
1297 uint32_t auChecks[] =
1298 {
1299 uLastStd + 1,
1300 uLastStd + 5,
1301 uLastStd + 8,
1302 uLastStd + 32,
1303 uLastStd + 251,
1304 uLastExt + 1,
1305 uLastExt + 8,
1306 uLastExt + 15,
1307 uLastExt + 63,
1308 uLastExt + 255,
1309 0x7fbbffcc,
1310 0x833f7872,
1311 0xefff2353,
1312 0x35779456,
1313 0x1ef6d33e,
1314 };
1315
1316 static const uint32_t s_auValues[] =
1317 {
1318 0xa95d2156,
1319 0x00000001,
1320 0x00000002,
1321 0x00000008,
1322 0x00000000,
1323 0x55773399,
1324 0x93401769,
1325 0x12039587,
1326 };
1327
1328 /*
1329 * Simple method, all zeros.
1330 */
1331 *penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1332 pDefUnknown->uEax = 0;
1333 pDefUnknown->uEbx = 0;
1334 pDefUnknown->uEcx = 0;
1335 pDefUnknown->uEdx = 0;
1336
1337 /*
1338 * Intel has been observed returning the last standard leaf.
1339 */
1340 uint32_t auLast[4];
1341 ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1342
1343 uint32_t cChecks = RT_ELEMENTS(auChecks);
1344 while (cChecks > 0)
1345 {
1346 uint32_t auCur[4];
1347 ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1348 if (memcmp(auCur, auLast, sizeof(auCur)))
1349 break;
1350 cChecks--;
1351 }
1352 if (cChecks == 0)
1353 {
1354 /* Now, what happens when the input changes? Esp. ECX. */
1355 uint32_t cTotal = 0;
1356 uint32_t cSame = 0;
1357 uint32_t cLastWithEcx = 0;
1358 uint32_t cNeither = 0;
1359 uint32_t cValues = RT_ELEMENTS(s_auValues);
1360 while (cValues > 0)
1361 {
1362 uint32_t uValue = s_auValues[cValues - 1];
1363 uint32_t auLastWithEcx[4];
1364 ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1365 &auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1366
1367 cChecks = RT_ELEMENTS(auChecks);
1368 while (cChecks > 0)
1369 {
1370 uint32_t auCur[4];
1371 ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1372 if (!memcmp(auCur, auLast, sizeof(auCur)))
1373 {
1374 cSame++;
1375 if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1376 cLastWithEcx++;
1377 }
1378 else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1379 cLastWithEcx++;
1380 else
1381 cNeither++;
1382 cTotal++;
1383 cChecks--;
1384 }
1385 cValues--;
1386 }
1387
1388 Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1389 if (cSame == cTotal)
1390 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1391 else if (cLastWithEcx == cTotal)
1392 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1393 else
1394 *penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1395 pDefUnknown->uEax = auLast[0];
1396 pDefUnknown->uEbx = auLast[1];
1397 pDefUnknown->uEcx = auLast[2];
1398 pDefUnknown->uEdx = auLast[3];
1399 return VINF_SUCCESS;
1400 }
1401
1402 /*
1403 * Unchanged register values?
1404 */
1405 cChecks = RT_ELEMENTS(auChecks);
1406 while (cChecks > 0)
1407 {
1408 uint32_t const uLeaf = auChecks[cChecks - 1];
1409 uint32_t cValues = RT_ELEMENTS(s_auValues);
1410 while (cValues > 0)
1411 {
1412 uint32_t uValue = s_auValues[cValues - 1];
1413 uint32_t auCur[4];
1414 ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1415 if ( auCur[0] != uLeaf
1416 || auCur[1] != uValue
1417 || auCur[2] != uValue
1418 || auCur[3] != uValue)
1419 break;
1420 cValues--;
1421 }
1422 if (cValues != 0)
1423 break;
1424 cChecks--;
1425 }
1426 if (cChecks == 0)
1427 {
1428 *penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1429 return VINF_SUCCESS;
1430 }
1431
1432 /*
1433 * Just go with the simple method.
1434 */
1435 return VINF_SUCCESS;
1436}
1437
1438
1439/**
1440 * Translates a unknow CPUID leaf method into the constant name (sans prefix).
1441 *
1442 * @returns Read only name string.
1443 * @param enmUnknownMethod The method to translate.
1444 */
1445VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1446{
1447 switch (enmUnknownMethod)
1448 {
1449 case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1450 case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1451 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1452 case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1453
1454 case CPUMUNKNOWNCPUID_INVALID:
1455 case CPUMUNKNOWNCPUID_END:
1456 case CPUMUNKNOWNCPUID_32BIT_HACK:
1457 break;
1458 }
1459 return "Invalid-unknown-CPUID-method";
1460}
1461
1462
1463/**
1464 * Detect the CPU vendor give n the
1465 *
1466 * @returns The vendor.
1467 * @param uEAX EAX from CPUID(0).
1468 * @param uEBX EBX from CPUID(0).
1469 * @param uECX ECX from CPUID(0).
1470 * @param uEDX EDX from CPUID(0).
1471 */
1472VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1473{
1474 if (ASMIsValidStdRange(uEAX))
1475 {
1476 if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1477 return CPUMCPUVENDOR_AMD;
1478
1479 if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1480 return CPUMCPUVENDOR_INTEL;
1481
1482 if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1483 return CPUMCPUVENDOR_VIA;
1484
1485 if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1486 && uECX == UINT32_C(0x64616574)
1487 && uEDX == UINT32_C(0x736E4978))
1488 return CPUMCPUVENDOR_CYRIX;
1489
1490 /* "Geode by NSC", example: family 5, model 9. */
1491
1492 /** @todo detect the other buggers... */
1493 }
1494
1495 return CPUMCPUVENDOR_UNKNOWN;
1496}
1497
1498
1499/**
1500 * Translates a CPU vendor enum value into the corresponding string constant.
1501 *
1502 * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1503 * value name. This can be useful when generating code.
1504 *
1505 * @returns Read only name string.
1506 * @param enmVendor The CPU vendor value.
1507 */
1508VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1509{
1510 switch (enmVendor)
1511 {
1512 case CPUMCPUVENDOR_INTEL: return "INTEL";
1513 case CPUMCPUVENDOR_AMD: return "AMD";
1514 case CPUMCPUVENDOR_VIA: return "VIA";
1515 case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1516 case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1517
1518 case CPUMCPUVENDOR_INVALID:
1519 case CPUMCPUVENDOR_32BIT_HACK:
1520 break;
1521 }
1522 return "Invalid-cpu-vendor";
1523}
1524
1525
1526static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1527{
1528 /* Could do binary search, doing linear now because I'm lazy. */
1529 PCCPUMCPUIDLEAF pLeaf = paLeaves;
1530 while (cLeaves-- > 0)
1531 {
1532 if (pLeaf->uLeaf == uLeaf)
1533 return pLeaf;
1534 pLeaf++;
1535 }
1536 return NULL;
1537}
1538
1539
1540static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1541{
1542 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1543 if ( !pLeaf
1544 || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1545 return pLeaf;
1546
1547 /* Linear sub-leaf search. Lazy as usual. */
1548 cLeaves -= pLeaf - paLeaves;
1549 while ( cLeaves-- > 0
1550 && pLeaf->uLeaf == uLeaf)
1551 {
1552 if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1553 return pLeaf;
1554 pLeaf++;
1555 }
1556
1557 return NULL;
1558}
1559
1560
1561int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1562{
1563 RT_ZERO(*pFeatures);
1564 if (cLeaves >= 2)
1565 {
1566 AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1567 AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1568 PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1569 AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1570 PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1571 AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1572
1573 pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1574 pStd0Leaf->uEbx,
1575 pStd0Leaf->uEcx,
1576 pStd0Leaf->uEdx);
1577 pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1578 pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1579 pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1580 pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1581 pFeatures->uFamily,
1582 pFeatures->uModel,
1583 pFeatures->uStepping);
1584
1585 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1586 if (pLeaf)
1587 pFeatures->cMaxPhysAddrWidth = pLeaf->uEax & 0xff;
1588 else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1589 pFeatures->cMaxPhysAddrWidth = 36;
1590 else
1591 pFeatures->cMaxPhysAddrWidth = 32;
1592
1593 /* Standard features. */
1594 pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1595 pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1596 pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1597 pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1598 pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1599 pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1600 pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1601 pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1602 pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1603 pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1604 pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1605 pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1606 pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1607 pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1608 pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1609 pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1610 pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1611 pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1612 pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1613 pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1614 pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1615 pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1616
1617 /* Structured extended features. */
1618 PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1619 if (pSxfLeaf0)
1620 {
1621 pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEcx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1622 pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEcx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1623 }
1624
1625 /* MWAIT/MONITOR leaf. */
1626 PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1627 if (pMWaitLeaf)
1628 {
1629 pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1630 == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1631 }
1632
1633 /* Extended features. */
1634 PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1635 if (pExtLeaf)
1636 {
1637 pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1638 pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1639 pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1640 pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1641 pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1642 pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1643 pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1644 pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1645 || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1646 | X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1647 }
1648
1649 if ( pExtLeaf
1650 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1651 {
1652 /* AMD features. */
1653 pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1654 pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1655 pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1656 pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1657 pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1658 pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1659 pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1660 pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1661 pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1662 pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1663 }
1664
1665 /*
1666 * Quirks.
1667 */
1668 pFeatures->fLeakyFxSR = pExtLeaf
1669 && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1670 && pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1671 && pFeatures->uFamily >= 6 /* K7 and up */;
1672
1673 /*
1674 * Max extended (/FPU) state.
1675 */
1676 pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1677 if (pFeatures->fXSaveRstor)
1678 {
1679 PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1680 if (pXStateLeaf0)
1681 {
1682 if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1683 && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1684 && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1685 && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1686 && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1687 && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1688 {
1689 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1690
1691 PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1692 if ( pXStateLeaf1
1693 && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1694 && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1695 && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) )
1696 pFeatures->cbMaxExtendedState = pXStateLeaf0->uEbx;
1697 }
1698 else
1699 AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1700 pFeatures->fXSaveRstor = 0);
1701 }
1702 else
1703 AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1704 pFeatures->fXSaveRstor = 0);
1705 }
1706 }
1707 else
1708 AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1709 return VINF_SUCCESS;
1710}
1711
1712
1713/*
1714 *
1715 * Init related code.
1716 * Init related code.
1717 * Init related code.
1718 *
1719 *
1720 */
1721#ifdef VBOX_IN_VMM
1722
1723
1724/**
1725 * Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1726 *
1727 * This ignores the fSubLeafMask.
1728 *
1729 * @returns Pointer to the matching leaf, or NULL if not found.
1730 * @param paLeaves The CPUID leaves to search. This is sorted.
1731 * @param cLeaves The number of leaves in the array.
1732 * @param uLeaf The leaf to locate.
1733 * @param uSubLeaf The subleaf to locate.
1734 */
1735static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1736{
1737 uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1738 PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1739 uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1740 if (iEnd)
1741 {
1742 uint32_t iBegin = 0;
1743 for (;;)
1744 {
1745 uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1746 uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1747 if (uNeedle < uCur)
1748 {
1749 if (i > iBegin)
1750 iEnd = i;
1751 else
1752 break;
1753 }
1754 else if (uNeedle > uCur)
1755 {
1756 if (i + 1 < iEnd)
1757 iBegin = i + 1;
1758 else
1759 break;
1760 }
1761 else
1762 return &paLeaves[i];
1763 }
1764 }
1765 return NULL;
1766}
1767
1768
1769/**
1770 * Loads MSR range overrides.
1771 *
1772 * This must be called before the MSR ranges are moved from the normal heap to
1773 * the hyper heap!
1774 *
1775 * @returns VBox status code (VMSetError called).
1776 * @param pVM The cross context VM structure.
1777 * @param pMsrNode The CFGM node with the MSR overrides.
1778 */
1779static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1780{
1781 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1782 {
1783 /*
1784 * Assemble a valid MSR range.
1785 */
1786 CPUMMSRRANGE MsrRange;
1787 MsrRange.offCpumCpu = 0;
1788 MsrRange.fReserved = 0;
1789
1790 int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1791 if (RT_FAILURE(rc))
1792 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1793
1794 rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1795 if (RT_FAILURE(rc))
1796 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1797 MsrRange.szName, rc);
1798
1799 rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1800 if (RT_FAILURE(rc))
1801 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1802 MsrRange.szName, rc);
1803
1804 char szType[32];
1805 rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1806 if (RT_FAILURE(rc))
1807 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1808 MsrRange.szName, rc);
1809 if (!RTStrICmp(szType, "FixedValue"))
1810 {
1811 MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1812 MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1813
1814 rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1815 if (RT_FAILURE(rc))
1816 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1817 MsrRange.szName, rc);
1818
1819 rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1820 if (RT_FAILURE(rc))
1821 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1822 MsrRange.szName, rc);
1823
1824 rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1825 if (RT_FAILURE(rc))
1826 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1827 MsrRange.szName, rc);
1828 }
1829 else
1830 return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1831 "Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1832
1833 /*
1834 * Insert the range into the table (replaces/splits/shrinks existing
1835 * MSR ranges).
1836 */
1837 rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1838 &MsrRange);
1839 if (RT_FAILURE(rc))
1840 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1841 }
1842
1843 return VINF_SUCCESS;
1844}
1845
1846
1847/**
1848 * Loads CPUID leaf overrides.
1849 *
1850 * This must be called before the CPUID leaves are moved from the normal
1851 * heap to the hyper heap!
1852 *
1853 * @returns VBox status code (VMSetError called).
1854 * @param pVM The cross context VM structure.
1855 * @param pParentNode The CFGM node with the CPUID leaves.
1856 * @param pszLabel How to label the overrides we're loading.
1857 */
1858static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
1859{
1860 for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1861 {
1862 /*
1863 * Get the leaf and subleaf numbers.
1864 */
1865 char szName[128];
1866 int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
1867 if (RT_FAILURE(rc))
1868 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
1869
1870 /* The leaf number is either specified directly or thru the node name. */
1871 uint32_t uLeaf;
1872 rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
1873 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1874 {
1875 rc = RTStrToUInt32Full(szName, 16, &uLeaf);
1876 if (rc != VINF_SUCCESS)
1877 return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
1878 "Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
1879 }
1880 else if (RT_FAILURE(rc))
1881 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
1882 pszLabel, szName, rc);
1883
1884 uint32_t uSubLeaf;
1885 rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
1886 if (RT_FAILURE(rc))
1887 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
1888 pszLabel, szName, rc);
1889
1890 uint32_t fSubLeafMask;
1891 rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
1892 if (RT_FAILURE(rc))
1893 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
1894 pszLabel, szName, rc);
1895
1896 /*
1897 * Look up the specified leaf, since the output register values
1898 * defaults to any existing values. This allows overriding a single
1899 * register, without needing to know the other values.
1900 */
1901 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
1902 CPUMCPUIDLEAF Leaf;
1903 if (pLeaf)
1904 Leaf = *pLeaf;
1905 else
1906 RT_ZERO(Leaf);
1907 Leaf.uLeaf = uLeaf;
1908 Leaf.uSubLeaf = uSubLeaf;
1909 Leaf.fSubLeafMask = fSubLeafMask;
1910
1911 rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
1912 if (RT_FAILURE(rc))
1913 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
1914 pszLabel, szName, rc);
1915 rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
1916 if (RT_FAILURE(rc))
1917 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
1918 pszLabel, szName, rc);
1919 rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
1920 if (RT_FAILURE(rc))
1921 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
1922 pszLabel, szName, rc);
1923 rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
1924 if (RT_FAILURE(rc))
1925 return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
1926 pszLabel, szName, rc);
1927
1928 /*
1929 * Insert the leaf into the table (replaces existing ones).
1930 */
1931 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1932 &Leaf);
1933 if (RT_FAILURE(rc))
1934 return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
1935 }
1936
1937 return VINF_SUCCESS;
1938}
1939
1940
1941
1942/**
1943 * Fetches overrides for a CPUID leaf.
1944 *
1945 * @returns VBox status code.
1946 * @param pLeaf The leaf to load the overrides into.
1947 * @param pCfgNode The CFGM node containing the overrides
1948 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
1949 * @param iLeaf The CPUID leaf number.
1950 */
1951static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
1952{
1953 PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
1954 if (pLeafNode)
1955 {
1956 uint32_t u32;
1957 int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
1958 if (RT_SUCCESS(rc))
1959 pLeaf->uEax = u32;
1960 else
1961 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
1962
1963 rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
1964 if (RT_SUCCESS(rc))
1965 pLeaf->uEbx = u32;
1966 else
1967 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
1968
1969 rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
1970 if (RT_SUCCESS(rc))
1971 pLeaf->uEcx = u32;
1972 else
1973 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
1974
1975 rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
1976 if (RT_SUCCESS(rc))
1977 pLeaf->uEdx = u32;
1978 else
1979 AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
1980
1981 }
1982 return VINF_SUCCESS;
1983}
1984
1985
1986/**
1987 * Load the overrides for a set of CPUID leaves.
1988 *
1989 * @returns VBox status code.
1990 * @param paLeaves The leaf array.
1991 * @param cLeaves The number of leaves.
1992 * @param uStart The start leaf number.
1993 * @param pCfgNode The CFGM node containing the overrides
1994 * (/CPUM/HostCPUID/ or /CPUM/CPUID/).
1995 */
1996static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
1997{
1998 for (uint32_t i = 0; i < cLeaves; i++)
1999 {
2000 int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2001 if (RT_FAILURE(rc))
2002 return rc;
2003 }
2004
2005 return VINF_SUCCESS;
2006}
2007
2008/**
2009 * Init a set of host CPUID leaves.
2010 *
2011 * @returns VBox status code.
2012 * @param paLeaves The leaf array.
2013 * @param cLeaves The number of leaves.
2014 * @param uStart The start leaf number.
2015 * @param pCfgNode The /CPUM/HostCPUID/ node.
2016 */
2017static int cpumR3CpuIdInitHostSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2018{
2019 /* Using the ECX variant for all of them can't hurt... */
2020 for (uint32_t i = 0; i < cLeaves; i++)
2021 ASMCpuIdExSlow(uStart + i, 0, 0, 0, &paLeaves[i].uEax, &paLeaves[i].uEbx, &paLeaves[i].uEcx, &paLeaves[i].uEdx);
2022
2023 /* Load CPUID leaf override; we currently don't care if the user
2024 specifies features the host CPU doesn't support. */
2025 return cpumR3CpuIdInitLoadOverrideSet(uStart, paLeaves, cLeaves, pCfgNode);
2026}
2027
2028
2029/**
2030 * Installs the CPUID leaves and explods the data into structures like
2031 * GuestFeatures and CPUMCTX::aoffXState.
2032 *
2033 * @returns VBox status code.
2034 * @param pVM The cross context VM structure.
2035 * @param pCpum The CPUM part of @a VM.
2036 * @param paLeaves The leaves. These will be copied (but not freed).
2037 * @param cLeaves The number of leaves.
2038 */
2039static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2040{
2041 cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2042
2043 /*
2044 * Install the CPUID information.
2045 */
2046 int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2047 MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2048
2049 AssertLogRelRCReturn(rc, rc);
2050 pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2051 pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2052 pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2053 Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2054 Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2055
2056 /*
2057 * Update the default CPUID leaf if necessary.
2058 */
2059 switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2060 {
2061 case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2062 case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2063 {
2064 /* We don't use CPUID(0).eax here because of the NT hack that only
2065 changes that value without actually removing any leaves. */
2066 uint32_t i = 0;
2067 if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2068 && pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2069 {
2070 while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2071 && pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2072 i++;
2073 pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2074 pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2075 pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2076 pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2077 }
2078 break;
2079 }
2080 default:
2081 break;
2082 }
2083
2084 /*
2085 * Explode the guest CPU features.
2086 */
2087 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2088 AssertLogRelRCReturn(rc, rc);
2089
2090 /*
2091 * Adjust the scalable bus frequency according to the CPUID information
2092 * we're now using.
2093 */
2094 if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2095 pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2096 ? UINT64_C(100000000) /* 100MHz */
2097 : UINT64_C(133333333); /* 133MHz */
2098
2099 /*
2100 * Populate the legacy arrays. Currently used for everything, later only
2101 * for patch manager.
2102 */
2103 struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2104 {
2105 { pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2106 { pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2107 { pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2108 };
2109 for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2110 {
2111 uint32_t cLeft = aOldRanges[i].cCpuIds;
2112 uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2113 PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2114 while (cLeft-- > 0)
2115 {
2116 uLeaf--;
2117 pLegacyLeaf--;
2118
2119 PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2120 if (pLeaf)
2121 {
2122 pLegacyLeaf->uEax = pLeaf->uEax;
2123 pLegacyLeaf->uEbx = pLeaf->uEbx;
2124 pLegacyLeaf->uEcx = pLeaf->uEcx;
2125 pLegacyLeaf->uEdx = pLeaf->uEdx;
2126 }
2127 else
2128 *pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2129 }
2130 }
2131
2132 /*
2133 * Configure XSAVE offsets according to the CPUID info.
2134 */
2135 memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2136 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2137 pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2138 for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2139 if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2140 {
2141 PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2142 AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2143 AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2144 AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2145 && pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2146 && pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2147 && pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2148 && pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2149 ("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2150 pCpum->GuestFeatures.cbMaxExtendedState),
2151 VERR_CPUM_IPE_1);
2152 pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2153 }
2154 memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2155
2156 /* Copy the CPU #0 data to the other CPUs. */
2157 for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2158 {
2159 memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2160 sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2161 memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2162 sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2163 }
2164
2165 return VINF_SUCCESS;
2166}
2167
2168
2169/** @name Instruction Set Extension Options
2170 * @{ */
2171/** Configuration option type (extended boolean, really). */
2172typedef uint8_t CPUMISAEXTCFG;
2173/** Always disable the extension. */
2174#define CPUMISAEXTCFG_DISABLED false
2175/** Enable the extension if it's supported by the host CPU. */
2176#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2177/** Enable the extension if it's supported by the host CPU, but don't let
2178 * the portable CPUID feature disable it. */
2179#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2180/** Always enable the extension. */
2181#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2182/** @} */
2183
2184/**
2185 * CPUID Configuration (from CFGM).
2186 *
2187 * @remarks The members aren't document since we would only be duplicating the
2188 * \@cfgm entries in cpumR3CpuIdReadConfig.
2189 */
2190typedef struct CPUMCPUIDCONFIG
2191{
2192 bool fNt4LeafLimit;
2193 bool fInvariantTsc;
2194
2195 CPUMISAEXTCFG enmCmpXchg16b;
2196 CPUMISAEXTCFG enmMonitor;
2197 CPUMISAEXTCFG enmMWaitExtensions;
2198 CPUMISAEXTCFG enmSse41;
2199 CPUMISAEXTCFG enmSse42;
2200 CPUMISAEXTCFG enmAvx;
2201 CPUMISAEXTCFG enmAvx2;
2202 CPUMISAEXTCFG enmXSave;
2203 CPUMISAEXTCFG enmAesNi;
2204 CPUMISAEXTCFG enmPClMul;
2205 CPUMISAEXTCFG enmPopCnt;
2206 CPUMISAEXTCFG enmMovBe;
2207 CPUMISAEXTCFG enmRdRand;
2208 CPUMISAEXTCFG enmRdSeed;
2209 CPUMISAEXTCFG enmCLFlushOpt;
2210
2211 CPUMISAEXTCFG enmAbm;
2212 CPUMISAEXTCFG enmSse4A;
2213 CPUMISAEXTCFG enmMisAlnSse;
2214 CPUMISAEXTCFG enm3dNowPrf;
2215 CPUMISAEXTCFG enmAmdExtMmx;
2216
2217 uint32_t uMaxStdLeaf;
2218 uint32_t uMaxExtLeaf;
2219 uint32_t uMaxCentaurLeaf;
2220 uint32_t uMaxIntelFamilyModelStep;
2221 char szCpuName[128];
2222} CPUMCPUIDCONFIG;
2223/** Pointer to CPUID config (from CFGM). */
2224typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2225
2226
2227/**
2228 * Insert hypervisor identification leaves.
2229 *
2230 * We only return minimal information, primarily ensuring that the
2231 * 0x40000000 function returns 0x40000001 and identifying ourselves.
2232 * Hypervisor-specific interface is supported through GIM which will
2233 * modify these leaves if required depending on the GIM provider.
2234 *
2235 * @returns VBox status code.
2236 * @param pCpum The CPUM instance data.
2237 * @param pConfig The CPUID configuration we've read from CFGM.
2238 */
2239static int cpumR3CpuIdPlantHypervisorLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2240{
2241 CPUMCPUIDLEAF NewLeaf;
2242 NewLeaf.uLeaf = UINT32_C(0x40000000);
2243 NewLeaf.uSubLeaf = 0;
2244 NewLeaf.fSubLeafMask = 0;
2245 NewLeaf.uEax = UINT32_C(0x40000001);
2246 NewLeaf.uEbx = 0x786f4256 /* 'VBox' */;
2247 NewLeaf.uEcx = 0x786f4256 /* 'VBox' */;
2248 NewLeaf.uEdx = 0x786f4256 /* 'VBox' */;
2249 NewLeaf.fFlags = 0;
2250 int rc = cpumR3CpuIdInsert(NULL /* pVM */, &pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves, &NewLeaf);
2251 AssertLogRelRCReturn(rc, rc);
2252
2253 NewLeaf.uLeaf = UINT32_C(0x40000001);
2254 NewLeaf.uEax = 0x656e6f6e; /* 'none' */
2255 NewLeaf.uEbx = 0;
2256 NewLeaf.uEcx = 0;
2257 NewLeaf.uEdx = 0;
2258 NewLeaf.fFlags = 0;
2259 rc = cpumR3CpuIdInsert(NULL /* pVM */, &pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves, &NewLeaf);
2260 AssertLogRelRCReturn(rc, rc);
2261
2262 return VINF_SUCCESS;
2263}
2264
2265
2266/**
2267 * Mini CPU selection support for making Mac OS X happy.
2268 *
2269 * Executes the /CPUM/MaxIntelFamilyModelStep config.
2270 *
2271 * @param pCpum The CPUM instance data.
2272 * @param pConfig The CPUID configuration we've read from CFGM.
2273 */
2274static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2275{
2276 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2277 {
2278 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2279 uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2280 ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2281 ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2282 0);
2283 uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2284 if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2285 {
2286 uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2287 uNew |= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2288 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2289 uNew |= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2290 uNew |= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2291 if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2292 uNew |= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2293 LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2294 pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2295 pStdFeatureLeaf->uEax = uNew;
2296 }
2297 }
2298}
2299
2300
2301
2302/**
2303 * Limit it the number of entries, zapping the remainder.
2304 *
2305 * The limits are masking off stuff about power saving and similar, this
2306 * is perhaps a bit crudely done as there is probably some relatively harmless
2307 * info too in these leaves (like words about having a constant TSC).
2308 *
2309 * @param pCpum The CPUM instance data.
2310 * @param pConfig The CPUID configuration we've read from CFGM.
2311 */
2312static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2313{
2314 /*
2315 * Standard leaves.
2316 */
2317 uint32_t uSubLeaf = 0;
2318 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2319 if (pCurLeaf)
2320 {
2321 uint32_t uLimit = pCurLeaf->uEax;
2322 if (uLimit <= UINT32_C(0x000fffff))
2323 {
2324 if (uLimit > pConfig->uMaxStdLeaf)
2325 {
2326 pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2327 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2328 uLimit + 1, UINT32_C(0x000fffff));
2329 }
2330
2331 /* NT4 hack, no zapping of extra leaves here. */
2332 if (pConfig->fNt4LeafLimit && uLimit > 3)
2333 pCurLeaf->uEax = uLimit = 3;
2334
2335 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2336 pCurLeaf->uEax = uLimit;
2337 }
2338 else
2339 {
2340 LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2341 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2342 UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2343 }
2344 }
2345
2346 /*
2347 * Extended leaves.
2348 */
2349 uSubLeaf = 0;
2350 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2351 if (pCurLeaf)
2352 {
2353 uint32_t uLimit = pCurLeaf->uEax;
2354 if ( uLimit >= UINT32_C(0x80000000)
2355 && uLimit <= UINT32_C(0x800fffff))
2356 {
2357 if (uLimit > pConfig->uMaxExtLeaf)
2358 {
2359 pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2360 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2361 uLimit + 1, UINT32_C(0x800fffff));
2362 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2363 pCurLeaf->uEax = uLimit;
2364 }
2365 }
2366 else
2367 {
2368 LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2369 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2370 UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2371 }
2372 }
2373
2374 /*
2375 * Centaur leaves (VIA).
2376 */
2377 uSubLeaf = 0;
2378 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2379 if (pCurLeaf)
2380 {
2381 uint32_t uLimit = pCurLeaf->uEax;
2382 if ( uLimit >= UINT32_C(0xc0000000)
2383 && uLimit <= UINT32_C(0xc00fffff))
2384 {
2385 if (uLimit > pConfig->uMaxCentaurLeaf)
2386 {
2387 pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2388 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2389 uLimit + 1, UINT32_C(0xcfffffff));
2390 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2391 pCurLeaf->uEax = uLimit;
2392 }
2393 }
2394 else
2395 {
2396 LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2397 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2398 UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2399 }
2400 }
2401}
2402
2403
2404/**
2405 * Clears a CPUID leaf and all sub-leaves (to zero).
2406 *
2407 * @param pCpum The CPUM instance data.
2408 * @param uLeaf The leaf to clear.
2409 */
2410static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2411{
2412 uint32_t uSubLeaf = 0;
2413 PCPUMCPUIDLEAF pCurLeaf;
2414 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2415 {
2416 pCurLeaf->uEax = 0;
2417 pCurLeaf->uEbx = 0;
2418 pCurLeaf->uEcx = 0;
2419 pCurLeaf->uEdx = 0;
2420 uSubLeaf++;
2421 }
2422}
2423
2424
2425/**
2426 * Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2427 * the given leaf.
2428 *
2429 * @returns pLeaf.
2430 * @param pCpum The CPUM instance data.
2431 * @param pLeaf The leaf to ensure is alone with it's EAX input value.
2432 */
2433static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2434{
2435 Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2436 if (pLeaf->fSubLeafMask != 0)
2437 {
2438 /*
2439 * Figure out how many sub-leaves in need of removal (we'll keep the first).
2440 * Log everything while we're at it.
2441 */
2442 LogRel(("CPUM:\n"
2443 "CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2444 PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2445 PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2446 for (;;)
2447 {
2448 LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2449 pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2450 pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2451 pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2452 if (pSubLeaf == pLast || pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2453 break;
2454 pSubLeaf++;
2455 }
2456 LogRel(("CPUM:\n"));
2457
2458 /*
2459 * Remove the offending sub-leaves.
2460 */
2461 if (pSubLeaf != pLeaf)
2462 {
2463 if (pSubLeaf != pLast)
2464 memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2465 pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2466 }
2467
2468 /*
2469 * Convert the first sub-leaf into a single leaf.
2470 */
2471 pLeaf->uSubLeaf = 0;
2472 pLeaf->fSubLeafMask = 0;
2473 }
2474 return pLeaf;
2475}
2476
2477
2478/**
2479 * Sanitizes and adjust the CPUID leaves.
2480 *
2481 * Drop features that aren't virtualized (or virtualizable). Adjust information
2482 * and capabilities to fit the virtualized hardware. Remove information the
2483 * guest shouldn't have (because it's wrong in the virtual world or because it
2484 * gives away host details) or that we don't have documentation for and no idea
2485 * what means.
2486 *
2487 * @returns VBox status code.
2488 * @param pVM The cross context VM structure (for cCpus).
2489 * @param pCpum The CPUM instance data.
2490 * @param pConfig The CPUID configuration we've read from CFGM.
2491 */
2492static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2493{
2494#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2495 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2496 { \
2497 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2498 (a_pLeafReg) &= ~(uint32_t)(fMask); \
2499 }
2500#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2501 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2502 { \
2503 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2504 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2505 }
2506#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2507 if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2508 && ((a_pLeafReg) & (fBitMask)) \
2509 && (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2510 { \
2511 LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2512 (a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2513 }
2514 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2515
2516 /* Cpuid 1:
2517 * EAX: CPU model, family and stepping.
2518 *
2519 * ECX + EDX: Supported features. Only report features we can support.
2520 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2521 * options may require adjusting (i.e. stripping what was enabled).
2522 *
2523 * EBX: Branding, CLFLUSH line size, logical processors per package and
2524 * initial APIC ID.
2525 */
2526 PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2527 AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2528 pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2529
2530 pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2531 | X86_CPUID_FEATURE_EDX_VME
2532 | X86_CPUID_FEATURE_EDX_DE
2533 | X86_CPUID_FEATURE_EDX_PSE
2534 | X86_CPUID_FEATURE_EDX_TSC
2535 | X86_CPUID_FEATURE_EDX_MSR
2536 //| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2537 | X86_CPUID_FEATURE_EDX_MCE
2538 | X86_CPUID_FEATURE_EDX_CX8
2539 //| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2540 //| RT_BIT_32(10) - not defined
2541 /* 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}) */
2542 //| X86_CPUID_FEATURE_EDX_SEP
2543 | X86_CPUID_FEATURE_EDX_MTRR
2544 | X86_CPUID_FEATURE_EDX_PGE
2545 | X86_CPUID_FEATURE_EDX_MCA
2546 | X86_CPUID_FEATURE_EDX_CMOV
2547 | X86_CPUID_FEATURE_EDX_PAT /* 16 */
2548 | X86_CPUID_FEATURE_EDX_PSE36
2549 //| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2550 | X86_CPUID_FEATURE_EDX_CLFSH
2551 //| RT_BIT_32(20) - not defined
2552 //| X86_CPUID_FEATURE_EDX_DS - no debug store.
2553 //| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2554 | X86_CPUID_FEATURE_EDX_MMX
2555 | X86_CPUID_FEATURE_EDX_FXSR
2556 | X86_CPUID_FEATURE_EDX_SSE
2557 | X86_CPUID_FEATURE_EDX_SSE2
2558 //| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2559 //| X86_CPUID_FEATURE_EDX_HTT - no hyperthreading/cores - see below.
2560 //| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2561 //| RT_BIT_32(30) - not defined
2562 //| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2563 ;
2564 pStdFeatureLeaf->uEcx &= 0
2565 | X86_CPUID_FEATURE_ECX_SSE3
2566 | (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2567 //| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2568 /* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2569 | ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2570 //| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2571 //| X86_CPUID_FEATURE_ECX_VMX - not virtualized yet.
2572 //| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2573 //| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2574 //| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2575 | X86_CPUID_FEATURE_ECX_SSSE3
2576 //| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2577 //| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2578 | (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2579 /* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2580 //| X86_CPUID_FEATURE_ECX_TPRUPDATE
2581 //| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2582 //| X86_CPUID_FEATURE_ECX_PCID - not implemented yet.
2583 //| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2584 | (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2585 | (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2586 //| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2587 | (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2588 | (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2589 //| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2590 | (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2591 | (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2592 //| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2593 | (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2594 //| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2595 | (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2596 //| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2597 ;
2598
2599 if (pCpum->u8PortableCpuIdLevel > 0)
2600 {
2601 PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2602 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2603 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2604 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2605 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2606 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2607 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2608 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2609 PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2610 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2611 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2612 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2613 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2614 PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2615 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2616 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2617 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2618 PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2619
2620 Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2621 | X86_CPUID_FEATURE_EDX_PSN
2622 | X86_CPUID_FEATURE_EDX_DS
2623 | X86_CPUID_FEATURE_EDX_ACPI
2624 | X86_CPUID_FEATURE_EDX_SS
2625 | X86_CPUID_FEATURE_EDX_TM
2626 | X86_CPUID_FEATURE_EDX_PBE
2627 )));
2628 Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2629 | X86_CPUID_FEATURE_ECX_CPLDS
2630 | X86_CPUID_FEATURE_ECX_VMX
2631 | X86_CPUID_FEATURE_ECX_SMX
2632 | X86_CPUID_FEATURE_ECX_EST
2633 | X86_CPUID_FEATURE_ECX_TM2
2634 | X86_CPUID_FEATURE_ECX_CNTXID
2635 | X86_CPUID_FEATURE_ECX_FMA
2636 | X86_CPUID_FEATURE_ECX_TPRUPDATE
2637 | X86_CPUID_FEATURE_ECX_PDCM
2638 | X86_CPUID_FEATURE_ECX_DCA
2639 | X86_CPUID_FEATURE_ECX_OSXSAVE
2640 )));
2641 }
2642
2643 /* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2644 pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2645#ifdef VBOX_WITH_MULTI_CORE
2646 if (pVM->cCpus > 1)
2647 {
2648 /* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2649 core times the number of CPU cores per processor */
2650 pStdFeatureLeaf->uEbx |= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2651 pStdFeatureLeaf->uEdx |= X86_CPUID_FEATURE_EDX_HTT; /* necessary for hyper-threading *or* multi-core CPUs */
2652 }
2653#endif
2654
2655 /* Force standard feature bits. */
2656 if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2657 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_PCLMUL;
2658 if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2659 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MONITOR;
2660 if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2661 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_CX16;
2662 if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2663 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_1;
2664 if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2665 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_SSE4_2;
2666 if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2667 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_MOVBE;
2668 if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2669 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_POPCNT;
2670 if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2671 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AES;
2672 if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2673 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_XSAVE;
2674 if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2675 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_AVX;
2676 if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2677 pStdFeatureLeaf->uEcx |= X86_CPUID_FEATURE_ECX_RDRAND;
2678
2679 pStdFeatureLeaf = NULL; /* Must refetch! */
2680
2681 /* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2682 * AMD:
2683 * EAX: CPU model, family and stepping.
2684 *
2685 * ECX + EDX: Supported features. Only report features we can support.
2686 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2687 * options may require adjusting (i.e. stripping what was enabled).
2688 * ASSUMES that this is ALWAYS the AMD defined feature set if present.
2689 *
2690 * EBX: Branding ID and package type (or reserved).
2691 *
2692 * Intel and probably most others:
2693 * EAX: 0
2694 * EBX: 0
2695 * ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2696 */
2697 PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2698 if (pExtFeatureLeaf)
2699 {
2700 pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2701
2702 pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2703 | X86_CPUID_AMD_FEATURE_EDX_VME
2704 | X86_CPUID_AMD_FEATURE_EDX_DE
2705 | X86_CPUID_AMD_FEATURE_EDX_PSE
2706 | X86_CPUID_AMD_FEATURE_EDX_TSC
2707 | X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2708 //| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2709 //| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2710 | X86_CPUID_AMD_FEATURE_EDX_CX8
2711 //| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2712 //| RT_BIT_32(10) - reserved
2713 /* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2714 eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2715 //| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2716 | X86_CPUID_AMD_FEATURE_EDX_MTRR
2717 | X86_CPUID_AMD_FEATURE_EDX_PGE
2718 | X86_CPUID_AMD_FEATURE_EDX_MCA
2719 | X86_CPUID_AMD_FEATURE_EDX_CMOV
2720 | X86_CPUID_AMD_FEATURE_EDX_PAT
2721 | X86_CPUID_AMD_FEATURE_EDX_PSE36
2722 //| RT_BIT_32(18) - reserved
2723 //| RT_BIT_32(19) - reserved
2724 //| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2725 //| RT_BIT_32(21) - reserved
2726 | (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2727 | X86_CPUID_AMD_FEATURE_EDX_MMX
2728 | X86_CPUID_AMD_FEATURE_EDX_FXSR
2729 | X86_CPUID_AMD_FEATURE_EDX_FFXSR
2730 //| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2731 | X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2732 //| RT_BIT_32(28) - reserved
2733 //| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2734 | X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2735 | X86_CPUID_AMD_FEATURE_EDX_3DNOW
2736 ;
2737 pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2738 //| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2739 //| X86_CPUID_AMD_FEATURE_ECX_SVM - not virtualized.
2740 //| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2741 /* Note: This could prevent teleporting from AMD to Intel CPUs! */
2742 | X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2743 | (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2744 | (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2745 | (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2746 | (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2747 //| X86_CPUID_AMD_FEATURE_ECX_OSVW
2748 //| X86_CPUID_AMD_FEATURE_ECX_IBS
2749 //| X86_CPUID_AMD_FEATURE_ECX_XOP
2750 //| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2751 //| X86_CPUID_AMD_FEATURE_ECX_WDT
2752 //| RT_BIT_32(14) - reserved
2753 //| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2754 //| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2755 //| RT_BIT_32(17) - reserved
2756 //| RT_BIT_32(18) - reserved
2757 //| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2758 //| RT_BIT_32(20) - reserved
2759 //| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2760 //| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2761 //| RT_BIT_32(23) - reserved
2762 //| RT_BIT_32(24) - reserved
2763 //| RT_BIT_32(25) - reserved
2764 //| RT_BIT_32(26) - reserved
2765 //| RT_BIT_32(27) - reserved
2766 //| RT_BIT_32(28) - reserved
2767 //| RT_BIT_32(29) - reserved
2768 //| RT_BIT_32(30) - reserved
2769 //| RT_BIT_32(31) - reserved
2770 ;
2771#ifdef VBOX_WITH_MULTI_CORE
2772 if ( pVM->cCpus > 1
2773 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2774 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2775#endif
2776
2777 if (pCpum->u8PortableCpuIdLevel > 0)
2778 {
2779 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2780 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2781 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2782 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2783 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2784 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2785 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2786 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2787 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2788 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2789 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2790 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2791 PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2792 PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2793 PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2794
2795 Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2796 | X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2797 | X86_CPUID_AMD_FEATURE_ECX_OSVW
2798 | X86_CPUID_AMD_FEATURE_ECX_IBS
2799 | X86_CPUID_AMD_FEATURE_ECX_SKINIT
2800 | X86_CPUID_AMD_FEATURE_ECX_WDT
2801 | X86_CPUID_AMD_FEATURE_ECX_LWP
2802 | X86_CPUID_AMD_FEATURE_ECX_NODEID
2803 | X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2804 | UINT32_C(0xff964000)
2805 )));
2806 Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2807 | X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2808 | RT_BIT(18)
2809 | RT_BIT(19)
2810 | RT_BIT(21)
2811 | X86_CPUID_AMD_FEATURE_EDX_AXMMX
2812 | X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2813 | RT_BIT(28)
2814 )));
2815 }
2816
2817 /* Force extended feature bits. */
2818 if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2819 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_ABM;
2820 if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2821 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2822 if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2823 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2824 if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2825 pExtFeatureLeaf->uEcx |= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2826 if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2827 pExtFeatureLeaf->uEdx |= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2828 }
2829 pExtFeatureLeaf = NULL; /* Must refetch! */
2830
2831
2832 /* Cpuid 2:
2833 * Intel: (Nondeterministic) Cache and TLB information
2834 * AMD: Reserved
2835 * VIA: Reserved
2836 * Safe to expose.
2837 */
2838 uint32_t uSubLeaf = 0;
2839 PCPUMCPUIDLEAF pCurLeaf;
2840 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2841 {
2842 if ((pCurLeaf->uEax & 0xff) > 1)
2843 {
2844 LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2845 pCurLeaf->uEax &= UINT32_C(0xffffff01);
2846 }
2847 uSubLeaf++;
2848 }
2849
2850 /* Cpuid 3:
2851 * Intel: EAX, EBX - reserved (transmeta uses these)
2852 * ECX, EDX - Processor Serial Number if available, otherwise reserved
2853 * AMD: Reserved
2854 * VIA: Reserved
2855 * Safe to expose
2856 */
2857 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2858 if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
2859 {
2860 uSubLeaf = 0;
2861 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
2862 {
2863 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2864 if (pCpum->u8PortableCpuIdLevel > 0)
2865 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
2866 uSubLeaf++;
2867 }
2868 }
2869
2870 /* Cpuid 4 + ECX:
2871 * Intel: Deterministic Cache Parameters Leaf.
2872 * AMD: Reserved
2873 * VIA: Reserved
2874 * Safe to expose, except for EAX:
2875 * Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
2876 * Bits 31-26: Maximum number of processor cores in this physical package**
2877 * Note: These SMP values are constant regardless of ECX
2878 */
2879 uSubLeaf = 0;
2880 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
2881 {
2882 pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
2883#ifdef VBOX_WITH_MULTI_CORE
2884 if ( pVM->cCpus > 1
2885 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2886 {
2887 AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
2888 /* One logical processor with possibly multiple cores. */
2889 /* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
2890 pCurLeaf->uEax |= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
2891 }
2892#endif
2893 uSubLeaf++;
2894 }
2895
2896 /* Cpuid 5: Monitor/mwait Leaf
2897 * Intel: ECX, EDX - reserved
2898 * EAX, EBX - Smallest and largest monitor line size
2899 * AMD: EDX - reserved
2900 * EAX, EBX - Smallest and largest monitor line size
2901 * ECX - extensions (ignored for now)
2902 * VIA: Reserved
2903 * Safe to expose
2904 */
2905 uSubLeaf = 0;
2906 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
2907 {
2908 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2909 if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
2910 pCurLeaf->uEax = pCurLeaf->uEbx = 0;
2911
2912 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2913 if (pConfig->enmMWaitExtensions)
2914 {
2915 pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
2916 /** @todo: for now we just expose host's MWAIT C-states, although conceptually
2917 it shall be part of our power management virtualization model */
2918#if 0
2919 /* MWAIT sub C-states */
2920 pCurLeaf->uEdx =
2921 (0 << 0) /* 0 in C0 */ |
2922 (2 << 4) /* 2 in C1 */ |
2923 (2 << 8) /* 2 in C2 */ |
2924 (2 << 12) /* 2 in C3 */ |
2925 (0 << 16) /* 0 in C4 */
2926 ;
2927#endif
2928 }
2929 else
2930 pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2931 uSubLeaf++;
2932 }
2933
2934 /* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
2935 * Intel: Various stuff.
2936 * AMD: EAX, EBX, EDX - reserved.
2937 * ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
2938 * present. Same as intel.
2939 * VIA: ??
2940 *
2941 * We clear everything here for now.
2942 */
2943 cpumR3CpuIdZeroLeaf(pCpum, 6);
2944
2945 /* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
2946 * EAX: Number of sub leaves.
2947 * EBX+ECX+EDX: Feature flags
2948 *
2949 * We only have documentation for one sub-leaf, so clear all other (no need
2950 * to remove them as such, just set them to zero).
2951 *
2952 * Note! When enabling new features the Synthetic CPU and Portable CPUID
2953 * options may require adjusting (i.e. stripping what was enabled).
2954 */
2955 uSubLeaf = 0;
2956 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
2957 {
2958 switch (uSubLeaf)
2959 {
2960 case 0:
2961 {
2962 pCurLeaf->uEax = 0; /* Max ECX input is 0. */
2963 pCurLeaf->uEbx &= 0
2964 //| X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE RT_BIT(0)
2965 //| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
2966 //| RT_BIT(2) - reserved
2967 //| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
2968 //| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
2969 | (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
2970 //| RT_BIT(6) - reserved
2971 //| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
2972 //| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
2973 //| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
2974 //| X86_CPUID_STEXT_FEATURE_EBX_INVPCID RT_BIT(10)
2975 //| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
2976 //| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
2977 | X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
2978 //| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
2979 //| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
2980 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
2981 //| RT_BIT(17) - reserved
2982 | (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
2983 //| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
2984 //| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
2985 //| RT_BIT(21) - reserved
2986 //| RT_BIT(22) - reserved
2987 | (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
2988 //| RT_BIT(24) - reserved
2989 //| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
2990 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
2991 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
2992 //| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
2993 //| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
2994 //| RT_BIT(30) - reserved
2995 //| RT_BIT(31) - reserved
2996 ;
2997 pCurLeaf->uEcx &= 0
2998 //| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
2999 ;
3000 pCurLeaf->uEdx &= 0;
3001
3002 if (pCpum->u8PortableCpuIdLevel > 0)
3003 {
3004 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
3005 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3006 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3007 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3008 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
3009 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3010 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3011 PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3012 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3013 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3014 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3015 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3016 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3017 PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3018 }
3019
3020 /* Force standard feature bits. */
3021 if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3022 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3023 if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3024 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3025 if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3026 pCurLeaf->uEbx |= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3027 break;
3028 }
3029
3030 default:
3031 /* Invalid index, all values are zero. */
3032 pCurLeaf->uEax = 0;
3033 pCurLeaf->uEbx = 0;
3034 pCurLeaf->uEcx = 0;
3035 pCurLeaf->uEdx = 0;
3036 break;
3037 }
3038 uSubLeaf++;
3039 }
3040
3041 /* Cpuid 8: Marked as reserved by Intel and AMD.
3042 * We zero this since we don't know what it may have been used for.
3043 */
3044 cpumR3CpuIdZeroLeaf(pCpum, 8);
3045
3046 /* Cpuid 9: Direct Cache Access (DCA) Parameters
3047 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3048 * EBX, ECX, EDX - reserved.
3049 * AMD: Reserved
3050 * VIA: ??
3051 *
3052 * We zero this.
3053 */
3054 cpumR3CpuIdZeroLeaf(pCpum, 9);
3055
3056 /* Cpuid 0xa: Architectural Performance Monitor Features
3057 * Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3058 * EBX, ECX, EDX - reserved.
3059 * AMD: Reserved
3060 * VIA: ??
3061 *
3062 * We zero this, for now at least.
3063 */
3064 cpumR3CpuIdZeroLeaf(pCpum, 10);
3065
3066 /* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3067 * Intel: EAX - APCI ID shift right for next level.
3068 * EBX - Factory configured cores/threads at this level.
3069 * ECX - Level number (same as input) and level type (1,2,0).
3070 * EDX - Extended initial APIC ID.
3071 * AMD: Reserved
3072 * VIA: ??
3073 */
3074 uSubLeaf = 0;
3075 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3076 {
3077 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3078 {
3079 uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3080 if (bLevelType == 1)
3081 {
3082 /* Thread level - we don't do threads at the moment. */
3083 pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3084 pCurLeaf->uEbx = 1;
3085 }
3086 else if (bLevelType == 2)
3087 {
3088 /* Core level. */
3089 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... */
3090#ifdef VBOX_WITH_MULTI_CORE
3091 while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3092 pCurLeaf->uEax++;
3093#endif
3094 pCurLeaf->uEbx = pVM->cCpus;
3095 }
3096 else
3097 {
3098 AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3099 pCurLeaf->uEax = 0;
3100 pCurLeaf->uEbx = 0;
3101 pCurLeaf->uEcx = 0;
3102 }
3103 pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) | (uSubLeaf & 0xff);
3104 pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3105 }
3106 else
3107 {
3108 pCurLeaf->uEax = 0;
3109 pCurLeaf->uEbx = 0;
3110 pCurLeaf->uEcx = 0;
3111 pCurLeaf->uEdx = 0;
3112 }
3113 uSubLeaf++;
3114 }
3115
3116 /* Cpuid 0xc: Marked as reserved by Intel and AMD.
3117 * We zero this since we don't know what it may have been used for.
3118 */
3119 cpumR3CpuIdZeroLeaf(pCpum, 12);
3120
3121 /* Cpuid 0xd + ECX: Processor Extended State Enumeration
3122 * ECX=0: EAX - Valid bits in XCR0[31:0].
3123 * EBX - Maximum state size as per current XCR0 value.
3124 * ECX - Maximum state size for all supported features.
3125 * EDX - Valid bits in XCR0[63:32].
3126 * ECX=1: EAX - Various X-features.
3127 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
3128 * ECX - Valid bits in IA32_XSS[31:0].
3129 * EDX - Valid bits in IA32_XSS[63:32].
3130 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3131 * if the bit invalid all four registers are set to zero.
3132 * EAX - The state size for this feature.
3133 * EBX - The state byte offset of this feature.
3134 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3135 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
3136 *
3137 * Clear them all as we don't currently implement extended CPU state.
3138 */
3139 /* Figure out the supported XCR0/XSS mask component. */
3140 uint64_t fGuestXcr0Mask = 0;
3141 pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3142 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3143 {
3144 fGuestXcr0Mask = XSAVE_C_X87 | XSAVE_C_SSE;
3145 if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3146 fGuestXcr0Mask |= XSAVE_C_YMM;
3147 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3148 if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3149 fGuestXcr0Mask |= XSAVE_C_ZMM_16HI | XSAVE_C_ZMM_HI256 | XSAVE_C_OPMASK;
3150 fGuestXcr0Mask &= pCpum->fXStateHostMask;
3151 }
3152 pStdFeatureLeaf = NULL;
3153 pCpum->fXStateGuestMask = fGuestXcr0Mask;
3154
3155 /* Work the sub-leaves. */
3156 uint32_t cbXSaveMax = sizeof(X86FXSTATE);
3157 for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3158 {
3159 pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3160 if (pCurLeaf)
3161 {
3162 if (fGuestXcr0Mask)
3163 {
3164 switch (uSubLeaf)
3165 {
3166 case 0:
3167 pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3168 pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3169 AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 | XSAVE_C_SSE)) == (XSAVE_C_X87 | XSAVE_C_SSE),
3170 ("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3171 VERR_CPUM_IPE_1);
3172 cbXSaveMax = pCurLeaf->uEcx;
3173 AssertLogRelMsgReturn(cbXSaveMax <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMax >= CPUM_MIN_XSAVE_AREA_SIZE,
3174 ("%#x max=%#x\n", cbXSaveMax, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3175 AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMax,
3176 ("ebx=%#x cbXSaveMax=%#x\n", pCurLeaf->uEbx, cbXSaveMax),
3177 VERR_CPUM_IPE_2);
3178 continue;
3179 case 1:
3180 pCurLeaf->uEax &= 0;
3181 pCurLeaf->uEcx &= 0;
3182 pCurLeaf->uEdx &= 0;
3183 /** @todo what about checking ebx? */
3184 continue;
3185 default:
3186 if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3187 {
3188 AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMax
3189 && pCurLeaf->uEax > 0
3190 && pCurLeaf->uEbx < cbXSaveMax
3191 && pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3192 && pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMax,
3193 ("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3194 uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMax),
3195 VERR_CPUM_IPE_2);
3196 AssertLogRel(!(pCurLeaf->uEcx & 1));
3197 pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3198 pCurLeaf->uEdx = 0; /* it's reserved... */
3199 continue;
3200 }
3201 break;
3202 }
3203 }
3204
3205 /* Clear the leaf. */
3206 pCurLeaf->uEax = 0;
3207 pCurLeaf->uEbx = 0;
3208 pCurLeaf->uEcx = 0;
3209 pCurLeaf->uEdx = 0;
3210 }
3211 }
3212
3213 /* Cpuid 0xe: Marked as reserved by Intel and AMD.
3214 * We zero this since we don't know what it may have been used for.
3215 */
3216 cpumR3CpuIdZeroLeaf(pCpum, 14);
3217
3218 /* Cpuid 0xf + ECX: Platform qualifity of service monitoring (PQM).
3219 * We zero this as we don't currently virtualize PQM.
3220 */
3221 cpumR3CpuIdZeroLeaf(pCpum, 15);
3222
3223 /* Cpuid 0x10 + ECX: Platform qualifity of service enforcement (PQE).
3224 * We zero this as we don't currently virtualize PQE.
3225 */
3226 cpumR3CpuIdZeroLeaf(pCpum, 16);
3227
3228 /* Cpuid 0x11: Marked as reserved by Intel and AMD.
3229 * We zero this since we don't know what it may have been used for.
3230 */
3231 cpumR3CpuIdZeroLeaf(pCpum, 17);
3232
3233 /* Cpuid 0x12 + ECX: SGX resource enumeration.
3234 * We zero this as we don't currently virtualize this.
3235 */
3236 cpumR3CpuIdZeroLeaf(pCpum, 18);
3237
3238 /* Cpuid 0x13: Marked as reserved by Intel and AMD.
3239 * We zero this since we don't know what it may have been used for.
3240 */
3241 cpumR3CpuIdZeroLeaf(pCpum, 19);
3242
3243 /* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3244 * We zero this as we don't currently virtualize this.
3245 */
3246 cpumR3CpuIdZeroLeaf(pCpum, 20);
3247
3248 /* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3249 * Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3250 * EAX - denominator (unsigned).
3251 * EBX - numerator (unsigned).
3252 * ECX, EDX - reserved.
3253 * AMD: Reserved / undefined / not implemented.
3254 * VIA: Reserved / undefined / not implemented.
3255 * We zero this as we don't currently virtualize this.
3256 */
3257 cpumR3CpuIdZeroLeaf(pCpum, 21);
3258
3259 /* Cpuid 0x16: Processor frequency info
3260 * Intel: EAX - Core base frequency in MHz.
3261 * EBX - Core maximum frequency in MHz.
3262 * ECX - Bus (reference) frequency in MHz.
3263 * EDX - Reserved.
3264 * AMD: Reserved / undefined / not implemented.
3265 * VIA: Reserved / undefined / not implemented.
3266 * We zero this as we don't currently virtualize this.
3267 */
3268 cpumR3CpuIdZeroLeaf(pCpum, 22);
3269
3270 /* Cpuid 0x17..0x10000000: Unknown.
3271 * We don't know these and what they mean, so remove them. */
3272 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3273 UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3274
3275
3276 /* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3277 * We remove all these as we're a hypervisor and must provide our own.
3278 */
3279 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3280 UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3281
3282
3283 /* Cpuid 0x80000000 is harmless. */
3284
3285 /* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3286
3287 /* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3288
3289 /* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3290 * Safe to pass on to the guest.
3291 *
3292 * AMD: 0x800000005 L1 cache information
3293 * 0x800000006 L2/L3 cache information
3294 * Intel: 0x800000005 reserved
3295 * 0x800000006 L2 cache information
3296 * VIA: 0x800000005 TLB and L1 cache information
3297 * 0x800000006 L2 cache information
3298 */
3299
3300 /* Cpuid 0x800000007: Advanced Power Management Information.
3301 * AMD: EAX: Processor feedback capabilities.
3302 * EBX: RAS capabilites.
3303 * ECX: Advanced power monitoring interface.
3304 * EDX: Enhanced power management capabilities.
3305 * Intel: EAX, EBX, ECX - reserved.
3306 * EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3307 * VIA: Reserved
3308 * We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3309 */
3310 uSubLeaf = 0;
3311 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3312 {
3313 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3314 if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3315 {
3316 pCurLeaf->uEdx &= 0
3317 //| X86_CPUID_AMD_ADVPOWER_EDX_TS
3318 //| X86_CPUID_AMD_ADVPOWER_EDX_FID
3319 //| X86_CPUID_AMD_ADVPOWER_EDX_VID
3320 //| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3321 //| X86_CPUID_AMD_ADVPOWER_EDX_TM
3322 //| X86_CPUID_AMD_ADVPOWER_EDX_STC
3323 //| X86_CPUID_AMD_ADVPOWER_EDX_MC
3324 //| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3325#if 0 /*
3326 * We don't expose X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR, because newer
3327 * Linux kernels blindly assume that the AMD performance counters work
3328 * if this is set for 64 bits guests. (Can't really find a CPUID feature
3329 * bit for them though.)
3330 */
3331 /** @todo need to recheck this with new MSR emulation. */
3332 | X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3333#endif
3334 //| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3335 //| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3336 //| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3337 //| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3338 | 0;
3339 }
3340 else
3341 pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3342 if (pConfig->fInvariantTsc)
3343 pCurLeaf->uEdx |= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3344 uSubLeaf++;
3345 }
3346
3347 /* Cpuid 0x80000008:
3348 * AMD: EBX, EDX - reserved
3349 * EAX: Virtual/Physical/Guest address Size
3350 * ECX: Number of cores + APICIdCoreIdSize
3351 * Intel: EAX: Virtual/Physical address Size
3352 * EBX, ECX, EDX - reserved
3353 * VIA: EAX: Virtual/Physical address Size
3354 * EBX, ECX, EDX - reserved
3355 *
3356 * We only expose the virtual+pysical address size to the guest atm.
3357 * On AMD we set the core count, but not the apic id stuff as we're
3358 * currently not doing the apic id assignments in a complatible manner.
3359 */
3360 uSubLeaf = 0;
3361 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3362 {
3363 pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3364 pCurLeaf->uEbx = 0; /* reserved */
3365 pCurLeaf->uEdx = 0; /* reserved */
3366
3367 /* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3368 * Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3369 pCurLeaf->uEcx = 0;
3370#ifdef VBOX_WITH_MULTI_CORE
3371 if ( pVM->cCpus > 1
3372 && pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3373 pCurLeaf->uEcx |= (pVM->cCpus - 1) & UINT32_C(0xff);
3374#endif
3375 uSubLeaf++;
3376 }
3377
3378 /* Cpuid 0x80000009: Reserved
3379 * We zero this since we don't know what it may have been used for.
3380 */
3381 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3382
3383 /* Cpuid 0x8000000a: SVM Information
3384 * AMD: EAX - SVM revision.
3385 * EBX - Number of ASIDs.
3386 * ECX - Reserved.
3387 * EDX - SVM Feature identification.
3388 * We clear all as we currently does not virtualize SVM.
3389 */
3390 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3391
3392 /* Cpuid 0x8000000b thru 0x80000018: Reserved
3393 * We clear these as we don't know what purpose they might have. */
3394 for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3395 cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3396
3397 /* Cpuid 0x80000019: TLB configuration
3398 * Seems to be harmless, pass them thru as is. */
3399
3400 /* Cpuid 0x8000001a: Peformance optimization identifiers.
3401 * Strip anything we don't know what is or addresses feature we don't implement. */
3402 uSubLeaf = 0;
3403 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3404 {
3405 pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3406 | RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3407 //| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3408 ;
3409 pCurLeaf->uEbx = 0; /* reserved */
3410 pCurLeaf->uEcx = 0; /* reserved */
3411 pCurLeaf->uEdx = 0; /* reserved */
3412 uSubLeaf++;
3413 }
3414
3415 /* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3416 * Clear this as we don't currently virtualize this feature. */
3417 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3418
3419 /* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3420 * Clear this as we don't currently virtualize this feature. */
3421 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3422
3423 /* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3424 * We need to sanitize the cores per cache (EAX[25:14]).
3425 *
3426 * This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3427 * and EDX[2] are reserved here, and EAX[14:25] is documented having a
3428 * slightly different meaning.
3429 */
3430 uSubLeaf = 0;
3431 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3432 {
3433#ifdef VBOX_WITH_MULTI_CORE
3434 uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3435 if (cCores > pVM->cCpus)
3436 cCores = pVM->cCpus;
3437 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3438 pCurLeaf->uEax |= ((cCores - 1) & 0xfff) << 14;
3439#else
3440 pCurLeaf->uEax &= UINT32_C(0x00003fff);
3441#endif
3442 uSubLeaf++;
3443 }
3444
3445 /* Cpuid 0x8000001e: Get APIC / unit / node information.
3446 * If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3447 * setup, we have one compute unit with all the cores in it. Single node.
3448 */
3449 uSubLeaf = 0;
3450 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3451 {
3452 pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3453 if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3454 {
3455#ifdef VBOX_WITH_MULTI_CORE
3456 pCurLeaf->uEbx = pVM->cCpus < 0x100
3457 ? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3458#else
3459 pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3460#endif
3461 pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3462 }
3463 else
3464 {
3465 Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3466 pCurLeaf->uEbx = 0; /* Reserved. */
3467 pCurLeaf->uEcx = 0; /* Reserved. */
3468 }
3469 pCurLeaf->uEdx = 0; /* Reserved. */
3470 uSubLeaf++;
3471 }
3472
3473 /* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3474 * We don't know these and what they mean, so remove them. */
3475 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3476 UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3477
3478 /* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3479 * Just pass it thru for now. */
3480
3481 /* Cpuid 0x8fffffff: Mystery hammer time leaf!
3482 * Just pass it thru for now. */
3483
3484 /* Cpuid 0xc0000000: Centaur stuff.
3485 * Harmless, pass it thru. */
3486
3487 /* Cpuid 0xc0000001: Centaur features.
3488 * VIA: EAX - Family, model, stepping.
3489 * EDX - Centaur extended feature flags. Nothing interesting, except may
3490 * FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3491 * EBX, ECX - reserved.
3492 * We keep EAX but strips the rest.
3493 */
3494 uSubLeaf = 0;
3495 while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3496 {
3497 pCurLeaf->uEbx = 0;
3498 pCurLeaf->uEcx = 0;
3499 pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3500 uSubLeaf++;
3501 }
3502
3503 /* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3504 * We only have fixed stale values, but should be harmless. */
3505
3506 /* Cpuid 0xc0000003: Reserved.
3507 * We zero this since we don't know what it may have been used for.
3508 */
3509 cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3510
3511 /* Cpuid 0xc0000004: Centaur Performance Info.
3512 * We only have fixed stale values, but should be harmless. */
3513
3514
3515 /* Cpuid 0xc0000005...0xcfffffff: Unknown.
3516 * We don't know these and what they mean, so remove them. */
3517 cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3518 UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3519
3520 return VINF_SUCCESS;
3521#undef PORTABLE_DISABLE_FEATURE_BIT
3522#undef PORTABLE_CLEAR_BITS_WHEN
3523}
3524
3525
3526/**
3527 * Reads a value in /CPUM/IsaExts/ node.
3528 *
3529 * @returns VBox status code (error message raised).
3530 * @param pVM The cross context VM structure. (For errors.)
3531 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3532 * @param pszValueName The value / extension name.
3533 * @param penmValue Where to return the choice.
3534 * @param enmDefault The default choice.
3535 */
3536static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3537 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3538{
3539 /*
3540 * Try integer encoding first.
3541 */
3542 uint64_t uValue;
3543 int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3544 if (RT_SUCCESS(rc))
3545 switch (uValue)
3546 {
3547 case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3548 case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3549 case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3550 case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3551 default:
3552 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3553 "Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3554 pszValueName, uValue);
3555 }
3556 /*
3557 * If missing, use default.
3558 */
3559 else if (rc == VERR_CFGM_VALUE_NOT_FOUND || rc == VERR_CFGM_NO_PARENT)
3560 *penmValue = enmDefault;
3561 else
3562 {
3563 if (rc == VERR_CFGM_NOT_INTEGER)
3564 {
3565 /*
3566 * Not an integer, try read it as a string.
3567 */
3568 char szValue[32];
3569 rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3570 if (RT_SUCCESS(rc))
3571 {
3572 RTStrToLower(szValue);
3573 size_t cchValue = strlen(szValue);
3574#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3575 if ( EQ("disabled") || EQ("disable") || EQ("off") || EQ("no"))
3576 *penmValue = CPUMISAEXTCFG_DISABLED;
3577 else if (EQ("enabled") || EQ("enable") || EQ("on") || EQ("yes"))
3578 *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3579 else if (EQ("forced") || EQ("force") || EQ("always"))
3580 *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3581 else if (EQ("portable"))
3582 *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3583 else if (EQ("default") || EQ("def"))
3584 *penmValue = enmDefault;
3585 else
3586 return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3587 "Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3588 pszValueName, uValue);
3589#undef EQ
3590 }
3591 }
3592 if (RT_FAILURE(rc))
3593 return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3594 }
3595 return VINF_SUCCESS;
3596}
3597
3598
3599/**
3600 * Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3601 *
3602 * @returns VBox status code (error message raised).
3603 * @param pVM The cross context VM structure. (For errors.)
3604 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3605 * @param pszValueName The value / extension name.
3606 * @param penmValue Where to return the choice.
3607 * @param enmDefault The default choice.
3608 * @param fAllowed Allowed choice. Applied both to the result and to
3609 * the default value.
3610 */
3611static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3612 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3613{
3614 int rc;
3615 if (fAllowed)
3616 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3617 else
3618 {
3619 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /*enmDefault*/);
3620 if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3621 LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3622 *penmValue = CPUMISAEXTCFG_DISABLED;
3623 }
3624 return rc;
3625}
3626
3627
3628/**
3629 * Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3630 *
3631 * @returns VBox status code (error message raised).
3632 * @param pVM The cross context VM structure. (For errors.)
3633 * @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3634 * @param pCpumCfg The /CPUM node (can be NULL).
3635 * @param pszValueName The value / extension name.
3636 * @param penmValue Where to return the choice.
3637 * @param enmDefault The default choice.
3638 */
3639static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3640 CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3641{
3642 if (CFGMR3Exists(pCpumCfg, pszValueName))
3643 {
3644 if (!CFGMR3Exists(pIsaExts, pszValueName))
3645 LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3646 else
3647 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3648 "Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3649 pszValueName, pszValueName);
3650
3651 bool fLegacy;
3652 int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3653 if (RT_SUCCESS(rc))
3654 {
3655 *penmValue = fLegacy;
3656 return VINF_SUCCESS;
3657 }
3658 return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3659 }
3660
3661 return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3662}
3663
3664
3665static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3666{
3667 int rc;
3668
3669 /** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3670 * When non-zero CPUID features that could cause portability issues will be
3671 * stripped. The higher the value the more features gets stripped. Higher
3672 * values should only be used when older CPUs are involved since it may
3673 * harm performance and maybe also cause problems with specific guests. */
3674 rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3675 AssertLogRelRCReturn(rc, rc);
3676
3677 /** @cfgm{/CPUM/GuestCpuName, string}
3678 * The name of the CPU we're to emulate. The default is the host CPU.
3679 * Note! CPUs other than "host" one is currently unsupported. */
3680 rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3681 AssertLogRelRCReturn(rc, rc);
3682
3683 /** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3684 * Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3685 * bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3686 * This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3687 */
3688 rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3689 AssertLogRelRCReturn(rc, rc);
3690
3691 /** @cfgm{/CPUM/InvariantTsc, boolean, complicated}
3692 * Set the invariant TSC flag in 0x80000007 if true, otherwas take default
3693 * action. By default the flag is passed thru as is from the host CPU, except
3694 * on AMD CPUs where it's suppressed to avoid trouble from linux assuming we
3695 * virtualize performance counters.
3696 */
3697 rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, false);
3698 AssertLogRelRCReturn(rc, rc);
3699
3700 /** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3701 * Restrict the reported CPU family+model+stepping of intel CPUs. This is
3702 * probably going to be a temporary hack, so don't depend on this.
3703 * The 1st byte of the value is the stepping, the 2nd byte value is the model
3704 * number and the 3rd byte value is the family, and the 4th value must be zero.
3705 */
3706 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3707 AssertLogRelRCReturn(rc, rc);
3708
3709 /** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3710 * The last standard leaf to keep. The actual last value that is stored in EAX
3711 * is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3712 * removed. (This works independently of and differently from NT4LeafLimit.)
3713 * The default is usually set to what we're able to reasonably sanitize.
3714 */
3715 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3716 AssertLogRelRCReturn(rc, rc);
3717
3718 /** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3719 * The last extended leaf to keep. The actual last value that is stored in EAX
3720 * is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3721 * leaf are removed. The default is set to what we're able to sanitize.
3722 */
3723 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3724 AssertLogRelRCReturn(rc, rc);
3725
3726 /** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3727 * The last extended leaf to keep. The actual last value that is stored in EAX
3728 * is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3729 * leaf are removed. The default is set to what we're able to sanitize.
3730 */
3731 rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3732 AssertLogRelRCReturn(rc, rc);
3733
3734
3735 /*
3736 * Instruction Set Architecture (ISA) Extensions.
3737 */
3738 PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3739 if (pIsaExts)
3740 {
3741 rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3742 "CMPXCHG16B"
3743 "|MONITOR"
3744 "|MWaitExtensions"
3745 "|SSE4.1"
3746 "|SSE4.2"
3747 "|XSAVE"
3748 "|AVX"
3749 "|AVX2"
3750 "|AESNI"
3751 "|PCLMUL"
3752 "|POPCNT"
3753 "|MOVBE"
3754 "|RDRAND"
3755 "|RDSEED"
3756 "|CLFLUSHOPT"
3757 "|ABM"
3758 "|SSE4A"
3759 "|MISALNSSE"
3760 "|3DNOWPRF"
3761 "|AXMMX"
3762 , "" /*pszValidNodes*/, "CPUM" /*pszWho*/, 0 /*uInstance*/);
3763 if (RT_FAILURE(rc))
3764 return rc;
3765 }
3766
3767 /** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3768 * Expose CMPXCHG16B to the guest if supported by the host. For the time
3769 * being the default is to only do this for VMs with nested paging and AMD-V or
3770 * unrestricted guest mode.
3771 */
3772 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
3773 AssertLogRelRCReturn(rc, rc);
3774
3775 /** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
3776 * Expose MONITOR/MWAIT instructions to the guest.
3777 */
3778 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
3779 AssertLogRelRCReturn(rc, rc);
3780
3781 /** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
3782 * Expose MWAIT extended features to the guest. For now we expose just MWAIT
3783 * break on interrupt feature (bit 1).
3784 */
3785 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
3786 AssertLogRelRCReturn(rc, rc);
3787
3788 /** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
3789 * Expose SSE4.1 to the guest if available.
3790 */
3791 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
3792 AssertLogRelRCReturn(rc, rc);
3793
3794 /** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
3795 * Expose SSE4.2 to the guest if available.
3796 */
3797 rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
3798 AssertLogRelRCReturn(rc, rc);
3799
3800 bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
3801 && pVM->cpum.s.HostFeatures.fXSaveRstor
3802 && pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
3803#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
3804 && !HMIsLongModeAllowed(pVM)
3805#endif
3806 ;
3807 uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
3808
3809 /** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
3810 * Expose XSAVE/XRSTOR to the guest if available. For the time being the
3811 * default is to only expose this to VMs with nested paging and AMD-V or
3812 * unrestricted guest execution mode. Not possible to force this one without
3813 * host support at the moment.
3814 */
3815 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
3816 fMayHaveXSave /*fAllowed*/);
3817 AssertLogRelRCReturn(rc, rc);
3818
3819 /** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
3820 * Expose the AVX instruction set extensions to the guest if available and
3821 * XSAVE is exposed too. For the time being the default is to only expose this
3822 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3823 */
3824 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
3825 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
3826 AssertLogRelRCReturn(rc, rc);
3827
3828 /** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
3829 * Expose the AVX2 instruction set extensions to the guest if available and
3830 * XSAVE is exposed too. For the time being the default is to only expose this
3831 * to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3832 */
3833 rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec && false /* temporarily */,
3834 fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /*fAllowed*/);
3835 AssertLogRelRCReturn(rc, rc);
3836
3837 /** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
3838 * Whether to expose the AES instructions to the guest. For the time being the
3839 * default is to only do this for VMs with nested paging and AMD-V or
3840 * unrestricted guest mode.
3841 */
3842 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
3843 AssertLogRelRCReturn(rc, rc);
3844
3845 /** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
3846 * Whether to expose the PCLMULQDQ instructions to the guest. For the time
3847 * being the default is to only do this for VMs with nested paging and AMD-V or
3848 * unrestricted guest mode.
3849 */
3850 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
3851 AssertLogRelRCReturn(rc, rc);
3852
3853 /** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
3854 * Whether to expose the POPCNT instructions to the guest. For the time
3855 * being the default is to only do this for VMs with nested paging and AMD-V or
3856 * unrestricted guest mode.
3857 */
3858 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
3859 AssertLogRelRCReturn(rc, rc);
3860
3861 /** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
3862 * Whether to expose the MOVBE instructions to the guest. For the time
3863 * being the default is to only do this for VMs with nested paging and AMD-V or
3864 * unrestricted guest mode.
3865 */
3866 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
3867 AssertLogRelRCReturn(rc, rc);
3868
3869 /** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
3870 * Whether to expose the RDRAND instructions to the guest. For the time being
3871 * the default is to only do this for VMs with nested paging and AMD-V or
3872 * unrestricted guest mode.
3873 */
3874 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
3875 AssertLogRelRCReturn(rc, rc);
3876
3877 /** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
3878 * Whether to expose the RDSEED instructions to the guest. For the time being
3879 * the default is to only do this for VMs with nested paging and AMD-V or
3880 * unrestricted guest mode.
3881 */
3882 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
3883 AssertLogRelRCReturn(rc, rc);
3884
3885 /** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
3886 * Whether to expose the CLFLUSHOPT instructions to the guest. For the time
3887 * being the default is to only do this for VMs with nested paging and AMD-V or
3888 * unrestricted guest mode.
3889 */
3890 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
3891 AssertLogRelRCReturn(rc, rc);
3892
3893
3894 /* AMD: */
3895
3896 /** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
3897 * Whether to expose the AMD ABM instructions to the guest. For the time
3898 * being the default is to only do this for VMs with nested paging and AMD-V or
3899 * unrestricted guest mode.
3900 */
3901 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
3902 AssertLogRelRCReturn(rc, rc);
3903
3904 /** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
3905 * Whether to expose the AMD SSE4A instructions to the guest. For the time
3906 * being the default is to only do this for VMs with nested paging and AMD-V or
3907 * unrestricted guest mode.
3908 */
3909 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
3910 AssertLogRelRCReturn(rc, rc);
3911
3912 /** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
3913 * Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
3914 * the time being the default is to only do this for VMs with nested paging and
3915 * AMD-V or unrestricted guest mode.
3916 */
3917 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
3918 AssertLogRelRCReturn(rc, rc);
3919
3920 /** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
3921 * Whether to expose the AMD 3D Now! prefetch instructions to the guest.
3922 * For the time being the default is to only do this for VMs with nested paging
3923 * and AMD-V or unrestricted guest mode.
3924 */
3925 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
3926 AssertLogRelRCReturn(rc, rc);
3927
3928 /** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
3929 * Whether to expose the AMD's MMX Extensions to the guest. For the time being
3930 * the default is to only do this for VMs with nested paging and AMD-V or
3931 * unrestricted guest mode.
3932 */
3933 rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
3934 AssertLogRelRCReturn(rc, rc);
3935
3936 return VINF_SUCCESS;
3937}
3938
3939
3940/**
3941 * Initializes the emulated CPU's CPUID & MSR information.
3942 *
3943 * @returns VBox status code.
3944 * @param pVM The cross context VM structure.
3945 */
3946int cpumR3InitCpuIdAndMsrs(PVM pVM)
3947{
3948 PCPUM pCpum = &pVM->cpum.s;
3949 PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
3950
3951 /*
3952 * Read the configuration.
3953 */
3954 CPUMCPUIDCONFIG Config;
3955 RT_ZERO(Config);
3956
3957 int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
3958 AssertRCReturn(rc, rc);
3959
3960 /*
3961 * Get the guest CPU data from the database and/or the host.
3962 *
3963 * The CPUID and MSRs are currently living on the regular heap to avoid
3964 * fragmenting the hyper heap (and because there isn't/wasn't any realloc
3965 * API for the hyper heap). This means special cleanup considerations.
3966 */
3967 rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
3968 if (RT_FAILURE(rc))
3969 return rc == VERR_CPUM_DB_CPU_NOT_FOUND
3970 ? VMSetError(pVM, rc, RT_SRC_POS,
3971 "Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
3972 : rc;
3973
3974 /** @cfgm{/CPUM/MSRs/[Name]/[First|Last|Type|Value|...],}
3975 * Overrides the guest MSRs.
3976 */
3977 rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
3978
3979 /** @cfgm{/CPUM/HostCPUID/[000000xx|800000xx|c000000x]/[eax|ebx|ecx|edx],32-bit}
3980 * Overrides the CPUID leaf values (from the host CPU usually) used for
3981 * calculating the guest CPUID leaves. This can be used to preserve the CPUID
3982 * values when moving a VM to a different machine. Another use is restricting
3983 * (or extending) the feature set exposed to the guest. */
3984 if (RT_SUCCESS(rc))
3985 rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
3986
3987 if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
3988 rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
3989 "Found unsupported configuration node '/CPUM/CPUID/'. "
3990 "Please use IMachine::setCPUIDLeaf() instead.");
3991
3992 /*
3993 * Pre-explode the CPUID info.
3994 */
3995 if (RT_SUCCESS(rc))
3996 rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
3997
3998 /*
3999 * Sanitize the cpuid information passed on to the guest.
4000 */
4001 if (RT_SUCCESS(rc))
4002 {
4003 rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4004 if (RT_SUCCESS(rc))
4005 {
4006 cpumR3CpuIdLimitLeaves(pCpum, &Config);
4007 cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4008 }
4009 }
4010
4011 /*
4012 * Plant our own hypervisor CPUID leaves.
4013 */
4014 if (RT_SUCCESS(rc))
4015 rc = cpumR3CpuIdPlantHypervisorLeaves(pCpum, &Config);
4016
4017 /*
4018 * MSR fudging.
4019 */
4020 if (RT_SUCCESS(rc))
4021 {
4022 /** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4023 * Fudges some common MSRs if not present in the selected CPU database entry.
4024 * This is for trying to keep VMs running when moved between different hosts
4025 * and different CPU vendors. */
4026 bool fEnable;
4027 rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4028 if (RT_SUCCESS(rc) && fEnable)
4029 {
4030 rc = cpumR3MsrApplyFudge(pVM);
4031 AssertLogRelRC(rc);
4032 }
4033 }
4034 if (RT_SUCCESS(rc))
4035 {
4036 /*
4037 * Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4038 * guest CPU features again.
4039 */
4040 void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4041 int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4042 pCpum->GuestInfo.cCpuIdLeaves);
4043 RTMemFree(pvFree);
4044
4045 pvFree = pCpum->GuestInfo.paMsrRangesR3;
4046 int rc2 = MMHyperDupMem(pVM, pvFree,
4047 sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4048 MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4049 RTMemFree(pvFree);
4050 AssertLogRelRCReturn(rc1, rc1);
4051 AssertLogRelRCReturn(rc2, rc2);
4052
4053 pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4054 pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4055
4056
4057 /*
4058 * Some more configuration that we're applying at the end of everything
4059 * via the CPUMSetGuestCpuIdFeature API.
4060 */
4061
4062 /* Check if PAE was explicitely enabled by the user. */
4063 bool fEnable;
4064 rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4065 AssertRCReturn(rc, rc);
4066 if (fEnable)
4067 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4068
4069 /* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4070 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4071 AssertRCReturn(rc, rc);
4072 if (fEnable)
4073 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4074
4075 /* We don't enable the Hypervisor Present bit by default, but it may be needed by some guests. */
4076 rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableHVP", &fEnable, false);
4077 AssertRCReturn(rc, rc);
4078 if (fEnable)
4079 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_HVP);
4080
4081 return VINF_SUCCESS;
4082 }
4083
4084 /*
4085 * Failed before switching to hyper heap.
4086 */
4087 RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4088 pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4089 RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4090 pCpum->GuestInfo.paMsrRangesR3 = NULL;
4091 return rc;
4092}
4093
4094
4095
4096/*
4097 *
4098 *
4099 * Saved state related code.
4100 * Saved state related code.
4101 * Saved state related code.
4102 *
4103 *
4104 */
4105
4106/**
4107 * Called both in pass 0 and the final pass.
4108 *
4109 * @param pVM The cross context VM structure.
4110 * @param pSSM The saved state handle.
4111 */
4112void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4113{
4114 /*
4115 * Save all the CPU ID leaves.
4116 */
4117 SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4118 SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4119 SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4120 sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4121
4122 SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4123
4124 /*
4125 * Save a good portion of the raw CPU IDs as well as they may come in
4126 * handy when validating features for raw mode.
4127 */
4128 CPUMCPUID aRawStd[16];
4129 for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4130 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4131 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4132 SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4133
4134 CPUMCPUID aRawExt[32];
4135 for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4136 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4137 SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4138 SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4139}
4140
4141
4142static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4143{
4144 uint32_t cCpuIds;
4145 int rc = SSMR3GetU32(pSSM, &cCpuIds);
4146 if (RT_SUCCESS(rc))
4147 {
4148 if (cCpuIds < 64)
4149 {
4150 for (uint32_t i = 0; i < cCpuIds; i++)
4151 {
4152 CPUMCPUID CpuId;
4153 rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4154 if (RT_FAILURE(rc))
4155 break;
4156
4157 CPUMCPUIDLEAF NewLeaf;
4158 NewLeaf.uLeaf = uBase + i;
4159 NewLeaf.uSubLeaf = 0;
4160 NewLeaf.fSubLeafMask = 0;
4161 NewLeaf.uEax = CpuId.uEax;
4162 NewLeaf.uEbx = CpuId.uEbx;
4163 NewLeaf.uEcx = CpuId.uEcx;
4164 NewLeaf.uEdx = CpuId.uEdx;
4165 NewLeaf.fFlags = 0;
4166 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4167 }
4168 }
4169 else
4170 rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4171 }
4172 if (RT_FAILURE(rc))
4173 {
4174 RTMemFree(*ppaLeaves);
4175 *ppaLeaves = NULL;
4176 *pcLeaves = 0;
4177 }
4178 return rc;
4179}
4180
4181
4182static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves)
4183{
4184 *ppaLeaves = NULL;
4185 *pcLeaves = 0;
4186
4187 int rc;
4188 if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4189 {
4190 /*
4191 * The new format. Starts by declaring the leave size and count.
4192 */
4193 uint32_t cbLeaf;
4194 SSMR3GetU32(pSSM, &cbLeaf);
4195 uint32_t cLeaves;
4196 rc = SSMR3GetU32(pSSM, &cLeaves);
4197 if (RT_SUCCESS(rc))
4198 {
4199 if (cbLeaf == sizeof(**ppaLeaves))
4200 {
4201 if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4202 {
4203 /*
4204 * Load the leaves one by one.
4205 *
4206 * The uPrev stuff is a kludge for working around a week worth of bad saved
4207 * states during the CPUID revamp in March 2015. We saved too many leaves
4208 * due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4209 * garbage entires at the end of the array when restoring. We also had
4210 * a subleaf insertion bug that triggered with the leaf 4 stuff below,
4211 * this kludge doesn't deal correctly with that, but who cares...
4212 */
4213 uint32_t uPrev = 0;
4214 for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4215 {
4216 CPUMCPUIDLEAF Leaf;
4217 rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
4218 if (RT_SUCCESS(rc))
4219 {
4220 if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
4221 || Leaf.uLeaf >= uPrev)
4222 {
4223 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4224 uPrev = Leaf.uLeaf;
4225 }
4226 else
4227 uPrev = UINT32_MAX;
4228 }
4229 }
4230 }
4231 else
4232 rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
4233 "Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
4234 }
4235 else
4236 rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
4237 "CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
4238 }
4239 }
4240 else
4241 {
4242 /*
4243 * The old format with its three inflexible arrays.
4244 */
4245 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
4246 if (RT_SUCCESS(rc))
4247 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
4248 if (RT_SUCCESS(rc))
4249 rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
4250 if (RT_SUCCESS(rc))
4251 {
4252 /*
4253 * Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
4254 */
4255 PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(*ppaLeaves, *pcLeaves, 0, 0);
4256 if ( pLeaf
4257 && ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
4258 {
4259 CPUMCPUIDLEAF Leaf;
4260 Leaf.uLeaf = 4;
4261 Leaf.fSubLeafMask = UINT32_MAX;
4262 Leaf.uSubLeaf = 0;
4263 Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
4264 Leaf.uEcx = UINT32_C(63); /* sets - 1 */
4265 Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
4266 | (UINT32_C(0) << 12) /* phys line partitions - 1 */
4267 | UINT32_C(63); /* system coherency line size - 1 */
4268 Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
4269 | (UINT32_C(0) << 14) /* threads per cache - 1 */
4270 | (UINT32_C(1) << 5) /* cache level */
4271 | UINT32_C(1); /* cache type (data) */
4272 Leaf.fFlags = 0;
4273 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4274 if (RT_SUCCESS(rc))
4275 {
4276 Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
4277 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4278 }
4279 if (RT_SUCCESS(rc))
4280 {
4281 Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
4282 Leaf.uEcx = 4095; /* sets - 1 */
4283 Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
4284 Leaf.uEbx |= UINT32_C(23) << 22;
4285 Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
4286 Leaf.uEax |= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
4287 Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
4288 Leaf.uEax |= UINT32_C(2) << 5;
4289 rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4290 }
4291 }
4292 }
4293 }
4294 return rc;
4295}
4296
4297
4298/**
4299 * Loads the CPU ID leaves saved by pass 0, inner worker.
4300 *
4301 * @returns VBox status code.
4302 * @param pVM The cross context VM structure.
4303 * @param pSSM The saved state handle.
4304 * @param uVersion The format version.
4305 * @param paLeaves Guest CPUID leaves loaded from the state.
4306 * @param cLeaves The number of leaves in @a paLeaves.
4307 */
4308int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
4309{
4310 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
4311
4312 /*
4313 * Continue loading the state into stack buffers.
4314 */
4315 CPUMCPUID GuestDefCpuId;
4316 int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
4317 AssertRCReturn(rc, rc);
4318
4319 CPUMCPUID aRawStd[16];
4320 uint32_t cRawStd;
4321 rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
4322 if (cRawStd > RT_ELEMENTS(aRawStd))
4323 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4324 rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
4325 AssertRCReturn(rc, rc);
4326 for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
4327 ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4328
4329 CPUMCPUID aRawExt[32];
4330 uint32_t cRawExt;
4331 rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
4332 if (cRawExt > RT_ELEMENTS(aRawExt))
4333 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4334 rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
4335 AssertRCReturn(rc, rc);
4336 for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
4337 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4338
4339 /*
4340 * Get the raw CPU IDs for the current host.
4341 */
4342 CPUMCPUID aHostRawStd[16];
4343 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
4344 ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
4345
4346 CPUMCPUID aHostRawExt[32];
4347 for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
4348 ASMCpuIdExSlow(i | UINT32_C(0x80000000), 0, 0, 0,
4349 &aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
4350
4351 /*
4352 * Get the host and guest overrides so we don't reject the state because
4353 * some feature was enabled thru these interfaces.
4354 * Note! We currently only need the feature leaves, so skip rest.
4355 */
4356 PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
4357 CPUMCPUID aHostOverrideStd[2];
4358 memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
4359 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
4360
4361 CPUMCPUID aHostOverrideExt[2];
4362 memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
4363 cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
4364
4365 /*
4366 * This can be skipped.
4367 */
4368 bool fStrictCpuIdChecks;
4369 CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
4370
4371 /*
4372 * Define a bunch of macros for simplifying the santizing/checking code below.
4373 */
4374 /* Generic expression + failure message. */
4375#define CPUID_CHECK_RET(expr, fmt) \
4376 do { \
4377 if (!(expr)) \
4378 { \
4379 char *pszMsg = RTStrAPrintf2 fmt; /* lack of variadic macros sucks */ \
4380 if (fStrictCpuIdChecks) \
4381 { \
4382 int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
4383 RTStrFree(pszMsg); \
4384 return rcCpuid; \
4385 } \
4386 LogRel(("CPUM: %s\n", pszMsg)); \
4387 RTStrFree(pszMsg); \
4388 } \
4389 } while (0)
4390#define CPUID_CHECK_WRN(expr, fmt) \
4391 do { \
4392 if (!(expr)) \
4393 LogRel(fmt); \
4394 } while (0)
4395
4396 /* For comparing two values and bitch if they differs. */
4397#define CPUID_CHECK2_RET(what, host, saved) \
4398 do { \
4399 if ((host) != (saved)) \
4400 { \
4401 if (fStrictCpuIdChecks) \
4402 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4403 N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
4404 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
4405 } \
4406 } while (0)
4407#define CPUID_CHECK2_WRN(what, host, saved) \
4408 do { \
4409 if ((host) != (saved)) \
4410 LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
4411 } while (0)
4412
4413 /* For checking raw cpu features (raw mode). */
4414#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
4415 do { \
4416 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
4417 { \
4418 if (fStrictCpuIdChecks) \
4419 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4420 N_(#bit " mismatch: host=%d saved=%d"), \
4421 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
4422 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
4423 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
4424 } \
4425 } while (0)
4426#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
4427 do { \
4428 if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
4429 LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
4430 !!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
4431 } while (0)
4432#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
4433
4434 /* For checking guest features. */
4435#define CPUID_GST_FEATURE_RET(set, reg, bit) \
4436 do { \
4437 if ( (aGuestCpuId##set [1].reg & bit) \
4438 && !(aHostRaw##set [1].reg & bit) \
4439 && !(aHostOverride##set [1].reg & bit) \
4440 ) \
4441 { \
4442 if (fStrictCpuIdChecks) \
4443 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4444 N_(#bit " is not supported by the host but has already exposed to the guest")); \
4445 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4446 } \
4447 } while (0)
4448#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
4449 do { \
4450 if ( (aGuestCpuId##set [1].reg & bit) \
4451 && !(aHostRaw##set [1].reg & bit) \
4452 && !(aHostOverride##set [1].reg & bit) \
4453 ) \
4454 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4455 } while (0)
4456#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
4457 do { \
4458 if ( (aGuestCpuId##set [1].reg & bit) \
4459 && !(aHostRaw##set [1].reg & bit) \
4460 && !(aHostOverride##set [1].reg & bit) \
4461 ) \
4462 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
4463 } while (0)
4464#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
4465
4466 /* For checking guest features if AMD guest CPU. */
4467#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
4468 do { \
4469 if ( (aGuestCpuId##set [1].reg & bit) \
4470 && fGuestAmd \
4471 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
4472 && !(aHostOverride##set [1].reg & bit) \
4473 ) \
4474 { \
4475 if (fStrictCpuIdChecks) \
4476 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4477 N_(#bit " is not supported by the host but has already exposed to the guest")); \
4478 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4479 } \
4480 } while (0)
4481#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
4482 do { \
4483 if ( (aGuestCpuId##set [1].reg & bit) \
4484 && fGuestAmd \
4485 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
4486 && !(aHostOverride##set [1].reg & bit) \
4487 ) \
4488 LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4489 } while (0)
4490#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
4491 do { \
4492 if ( (aGuestCpuId##set [1].reg & bit) \
4493 && fGuestAmd \
4494 && (!fGuestAmd || !(aHostRaw##set [1].reg & bit)) \
4495 && !(aHostOverride##set [1].reg & bit) \
4496 ) \
4497 LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
4498 } while (0)
4499#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
4500
4501 /* For checking AMD features which have a corresponding bit in the standard
4502 range. (Intel defines very few bits in the extended feature sets.) */
4503#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
4504 do { \
4505 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
4506 && !(fHostAmd \
4507 ? aHostRawExt[1].reg & (ExtBit) \
4508 : aHostRawStd[1].reg & (StdBit)) \
4509 && !(aHostOverrideExt[1].reg & (ExtBit)) \
4510 ) \
4511 { \
4512 if (fStrictCpuIdChecks) \
4513 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4514 N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
4515 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
4516 } \
4517 } while (0)
4518#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
4519 do { \
4520 if ( (aGuestCpuId[1].reg & (ExtBit)) \
4521 && !(fHostAmd \
4522 ? aHostRawExt[1].reg & (ExtBit) \
4523 : aHostRawStd[1].reg & (StdBit)) \
4524 && !(aHostOverrideExt[1].reg & (ExtBit)) \
4525 ) \
4526 LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
4527 } while (0)
4528#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
4529 do { \
4530 if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
4531 && !(fHostAmd \
4532 ? aHostRawExt[1].reg & (ExtBit) \
4533 : aHostRawStd[1].reg & (StdBit)) \
4534 && !(aHostOverrideExt[1].reg & (ExtBit)) \
4535 ) \
4536 LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
4537 } while (0)
4538#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
4539
4540 /*
4541 * For raw-mode we'll require that the CPUs are very similar since we don't
4542 * intercept CPUID instructions for user mode applications.
4543 */
4544 if (!HMIsEnabled(pVM))
4545 {
4546 /* CPUID(0) */
4547 CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
4548 && aHostRawStd[0].uEcx == aRawStd[0].uEcx
4549 && aHostRawStd[0].uEdx == aRawStd[0].uEdx,
4550 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
4551 &aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
4552 &aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
4553 CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
4554 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
4555 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
4556
4557 bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
4558
4559 /* CPUID(1).eax */
4560 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
4561 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
4562 CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
4563
4564 /* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
4565 CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
4566 CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
4567
4568 /* CPUID(1).ecx */
4569 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
4570 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
4571 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
4572 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
4573 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
4574 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
4575 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
4576 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
4577 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
4578 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
4579 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
4580 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /*reserved*/ );
4581 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
4582 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
4583 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
4584 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
4585 CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
4586 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
4587 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
4588 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
4589 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
4590 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
4591 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
4592 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
4593 CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
4594 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
4595 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
4596 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
4597 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
4598 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
4599 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
4600 CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
4601
4602 /* CPUID(1).edx */
4603 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
4604 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
4605 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
4606 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
4607 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
4608 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
4609 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
4610 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
4611 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
4612 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
4613 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
4614 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
4615 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
4616 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
4617 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
4618 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
4619 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
4620 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
4621 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
4622 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
4623 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
4624 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
4625 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
4626 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
4627 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
4628 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
4629 CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
4630 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
4631 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
4632 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
4633 CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/);
4634 CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
4635
4636 /* CPUID(2) - config, mostly about caches. ignore. */
4637 /* CPUID(3) - processor serial number. ignore. */
4638 /* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
4639 /* CPUID(5) - mwait/monitor config. ignore. */
4640 /* CPUID(6) - power management. ignore. */
4641 /* CPUID(7) - ???. ignore. */
4642 /* CPUID(8) - ???. ignore. */
4643 /* CPUID(9) - DCA. ignore for now. */
4644 /* CPUID(a) - PeMo info. ignore for now. */
4645 /* CPUID(b) - topology info - takes ECX as input. ignore. */
4646
4647 /* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
4648 CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
4649 || aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
4650 ("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
4651 if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
4652 && aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
4653 {
4654 CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
4655 CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
4656 CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
4657/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
4658 CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
4659 }
4660
4661 /* CPUID(0x80000000) - same as CPUID(0) except for eax.
4662 Note! Intel have/is marking many of the fields here as reserved. We
4663 will verify them as if it's an AMD CPU. */
4664 CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
4665 || !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
4666 (N_("Extended leaves was present on saved state host, but is missing on the current\n")));
4667 if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
4668 {
4669 CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
4670 && aHostRawExt[0].uEcx == aRawExt[0].uEcx
4671 && aHostRawExt[0].uEdx == aRawExt[0].uEdx,
4672 (N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
4673 &aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
4674 &aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
4675 CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
4676
4677 /* CPUID(0x80000001).eax - same as CPUID(0).eax. */
4678 CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
4679 CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
4680 CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
4681 CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
4682 CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
4683
4684 /* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
4685 CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
4686 CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
4687 CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
4688
4689 /* CPUID(0x80000001).ecx */
4690 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
4691 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
4692 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
4693 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
4694 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
4695 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
4696 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
4697 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
4698 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
4699 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
4700 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
4701 CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
4702 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
4703 CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
4704 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
4705 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
4706 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
4707 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
4708 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
4709 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
4710 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
4711 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
4712 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
4713 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
4714 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
4715 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
4716 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
4717 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
4718 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
4719 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
4720 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
4721 CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
4722
4723 /* CPUID(0x80000001).edx */
4724 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
4725 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
4726 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
4727 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
4728 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
4729 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
4730 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
4731 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
4732 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
4733 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
4734 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
4735 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
4736 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
4737 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
4738 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
4739 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
4740 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
4741 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
4742 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
4743 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
4744 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
4745 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /*reserved*/);
4746 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
4747 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
4748 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
4749 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
4750 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
4751 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
4752 CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /*reserved*/);
4753 CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
4754 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
4755 CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
4756
4757 /** @todo verify the rest as well. */
4758 }
4759 }
4760
4761
4762
4763 /*
4764 * Verify that we can support the features already exposed to the guest on
4765 * this host.
4766 *
4767 * Most of the features we're emulating requires intercepting instruction
4768 * and doing it the slow way, so there is no need to warn when they aren't
4769 * present in the host CPU. Thus we use IGN instead of EMU on these.
4770 *
4771 * Trailing comments:
4772 * "EMU" - Possible to emulate, could be lots of work and very slow.
4773 * "EMU?" - Can this be emulated?
4774 */
4775 CPUMCPUID aGuestCpuIdStd[2];
4776 RT_ZERO(aGuestCpuIdStd);
4777 cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
4778
4779 /* CPUID(1).ecx */
4780 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
4781 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
4782 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
4783 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
4784 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
4785 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
4786 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
4787 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
4788 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
4789 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
4790 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
4791 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
4792 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
4793 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
4794 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
4795 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
4796 CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /*reserved*/);
4797 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
4798 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
4799 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
4800 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
4801 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
4802 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
4803 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
4804 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
4805 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
4806 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
4807 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
4808 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
4809 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
4810 CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
4811 CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
4812
4813 /* CPUID(1).edx */
4814 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
4815 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
4816 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
4817 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
4818 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
4819 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
4820 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
4821 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
4822 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
4823 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
4824 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /*reserved*/);
4825 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
4826 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
4827 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
4828 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
4829 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
4830 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
4831 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
4832 CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
4833 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
4834 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /*reserved*/);
4835 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
4836 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
4837 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
4838 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
4839 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
4840 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
4841 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
4842 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
4843 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
4844 CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /*JMPE/IA64*/); // -> EMU
4845 CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
4846
4847 /* CPUID(0x80000000). */
4848 CPUMCPUID aGuestCpuIdExt[2];
4849 RT_ZERO(aGuestCpuIdExt);
4850 if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
4851 {
4852 /** @todo deal with no 0x80000001 on the host. */
4853 bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
4854 bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
4855
4856 /* CPUID(0x80000001).ecx */
4857 CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
4858 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
4859 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
4860 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
4861 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
4862 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
4863 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
4864 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
4865 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
4866 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
4867 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
4868 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
4869 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
4870 CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
4871 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
4872 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
4873 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
4874 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
4875 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
4876 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
4877 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
4878 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
4879 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
4880 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
4881 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
4882 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
4883 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
4884 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
4885 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
4886 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
4887 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
4888 CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
4889
4890 /* CPUID(0x80000001).edx */
4891 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
4892 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
4893 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
4894 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
4895 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
4896 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
4897 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
4898 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
4899 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
4900 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
4901 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /*reserved*/);
4902 CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
4903 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
4904 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
4905 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
4906 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
4907 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
4908 CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
4909 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /*reserved*/);
4910 CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /*reserved*/);
4911 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
4912 CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /*reserved*/);
4913 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
4914 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
4915 CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
4916 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
4917 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
4918 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
4919 CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /*reserved*/);
4920 CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
4921 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
4922 CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
4923 }
4924
4925 /** @todo check leaf 7 */
4926
4927 /* CPUID(d) - XCR0 stuff - takes ECX as input.
4928 * ECX=0: EAX - Valid bits in XCR0[31:0].
4929 * EBX - Maximum state size as per current XCR0 value.
4930 * ECX - Maximum state size for all supported features.
4931 * EDX - Valid bits in XCR0[63:32].
4932 * ECX=1: EAX - Various X-features.
4933 * EBX - Maximum state size as per current XCR0|IA32_XSS value.
4934 * ECX - Valid bits in IA32_XSS[31:0].
4935 * EDX - Valid bits in IA32_XSS[63:32].
4936 * ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
4937 * if the bit invalid all four registers are set to zero.
4938 * EAX - The state size for this feature.
4939 * EBX - The state byte offset of this feature.
4940 * ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
4941 * EDX - Reserved, but is set to zero if invalid sub-leaf index.
4942 */
4943 uint64_t fGuestXcr0Mask = 0;
4944 PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
4945 if ( pCurLeaf
4946 && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
4947 && ( pCurLeaf->uEax
4948 || pCurLeaf->uEbx
4949 || pCurLeaf->uEcx
4950 || pCurLeaf->uEdx) )
4951 {
4952 fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
4953 if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
4954 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
4955 N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
4956 fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
4957 if ((fGuestXcr0Mask & (XSAVE_C_X87 | XSAVE_C_SSE)) != (XSAVE_C_X87 | XSAVE_C_SSE))
4958 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
4959 N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
4960
4961 /* We don't support any additional features yet. */
4962 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
4963 if (pCurLeaf && pCurLeaf->uEax)
4964 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
4965 N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
4966 if (pCurLeaf && (pCurLeaf->uEcx || pCurLeaf->uEdx))
4967 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
4968 N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
4969 RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
4970
4971
4972 for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
4973 {
4974 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
4975 if (pCurLeaf)
4976 {
4977 /* If advertised, the state component offset and size must match the one used by host. */
4978 if (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx)
4979 {
4980 CPUMCPUID RawHost;
4981 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
4982 &RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
4983 if ( RawHost.uEbx != pCurLeaf->uEbx
4984 || RawHost.uEax != pCurLeaf->uEax)
4985 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
4986 N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
4987 uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
4988 }
4989 }
4990 }
4991 }
4992 /* Clear leaf 0xd just in case we're loading an old state... */
4993 else if (pCurLeaf)
4994 {
4995 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
4996 {
4997 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
4998 if (pCurLeaf)
4999 {
5000 AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5001 || ( pCurLeaf->uEax == 0
5002 && pCurLeaf->uEbx == 0
5003 && pCurLeaf->uEcx == 0
5004 && pCurLeaf->uEdx == 0),
5005 ("uVersion=%#x; %#x %#x %#x %#x\n",
5006 uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5007 pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5008 }
5009 }
5010 }
5011
5012 /* Update the fXStateGuestMask value for the VM. */
5013 if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5014 {
5015 LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5016 pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5017 if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5018 return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5019 N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5020 }
5021
5022#undef CPUID_CHECK_RET
5023#undef CPUID_CHECK_WRN
5024#undef CPUID_CHECK2_RET
5025#undef CPUID_CHECK2_WRN
5026#undef CPUID_RAW_FEATURE_RET
5027#undef CPUID_RAW_FEATURE_WRN
5028#undef CPUID_RAW_FEATURE_IGN
5029#undef CPUID_GST_FEATURE_RET
5030#undef CPUID_GST_FEATURE_WRN
5031#undef CPUID_GST_FEATURE_EMU
5032#undef CPUID_GST_FEATURE_IGN
5033#undef CPUID_GST_FEATURE2_RET
5034#undef CPUID_GST_FEATURE2_WRN
5035#undef CPUID_GST_FEATURE2_EMU
5036#undef CPUID_GST_FEATURE2_IGN
5037#undef CPUID_GST_AMD_FEATURE_RET
5038#undef CPUID_GST_AMD_FEATURE_WRN
5039#undef CPUID_GST_AMD_FEATURE_EMU
5040#undef CPUID_GST_AMD_FEATURE_IGN
5041
5042 /*
5043 * We're good, commit the CPU ID leaves.
5044 */
5045 MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5046 pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5047 pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5048 pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5049 pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5050 rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5051 AssertLogRelRCReturn(rc, rc);
5052
5053 return VINF_SUCCESS;
5054}
5055
5056
5057/**
5058 * Loads the CPU ID leaves saved by pass 0.
5059 *
5060 * @returns VBox status code.
5061 * @param pVM The cross context VM structure.
5062 * @param pSSM The saved state handle.
5063 * @param uVersion The format version.
5064 */
5065int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5066{
5067 AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5068
5069 /*
5070 * Load the CPUID leaves array first and call worker to do the rest, just so
5071 * we can free the memory when we need to without ending up in column 1000.
5072 */
5073 PCPUMCPUIDLEAF paLeaves;
5074 uint32_t cLeaves;
5075 int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5076 AssertRC(rc);
5077 if (RT_SUCCESS(rc))
5078 {
5079 rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5080 RTMemFree(paLeaves);
5081 }
5082 return rc;
5083}
5084
5085
5086
5087/**
5088 * Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5089 *
5090 * @returns VBox status code.
5091 * @param pVM The cross context VM structure.
5092 * @param pSSM The saved state handle.
5093 * @param uVersion The format version.
5094 */
5095int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5096{
5097 AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5098
5099 /*
5100 * Restore the CPUID leaves.
5101 *
5102 * Note that we support restoring less than the current amount of standard
5103 * leaves because we've been allowed more is newer version of VBox.
5104 */
5105 uint32_t cElements;
5106 int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5107 if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5108 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5109 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5110
5111 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5112 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5113 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5114 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5115
5116 rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5117 if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5118 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5119 SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5120
5121 SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5122
5123 /*
5124 * Check that the basic cpuid id information is unchanged.
5125 */
5126 /** @todo we should check the 64 bits capabilities too! */
5127 uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5128 ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5129 ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5130 uint32_t au32CpuIdSaved[8];
5131 rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5132 if (RT_SUCCESS(rc))
5133 {
5134 /* Ignore CPU stepping. */
5135 au32CpuId[4] &= 0xfffffff0;
5136 au32CpuIdSaved[4] &= 0xfffffff0;
5137
5138 /* Ignore APIC ID (AMD specs). */
5139 au32CpuId[5] &= ~0xff000000;
5140 au32CpuIdSaved[5] &= ~0xff000000;
5141
5142 /* Ignore the number of Logical CPUs (AMD specs). */
5143 au32CpuId[5] &= ~0x00ff0000;
5144 au32CpuIdSaved[5] &= ~0x00ff0000;
5145
5146 /* Ignore some advanced capability bits, that we don't expose to the guest. */
5147 au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5148 | X86_CPUID_FEATURE_ECX_VMX
5149 | X86_CPUID_FEATURE_ECX_SMX
5150 | X86_CPUID_FEATURE_ECX_EST
5151 | X86_CPUID_FEATURE_ECX_TM2
5152 | X86_CPUID_FEATURE_ECX_CNTXID
5153 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5154 | X86_CPUID_FEATURE_ECX_PDCM
5155 | X86_CPUID_FEATURE_ECX_DCA
5156 | X86_CPUID_FEATURE_ECX_X2APIC
5157 );
5158 au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5159 | X86_CPUID_FEATURE_ECX_VMX
5160 | X86_CPUID_FEATURE_ECX_SMX
5161 | X86_CPUID_FEATURE_ECX_EST
5162 | X86_CPUID_FEATURE_ECX_TM2
5163 | X86_CPUID_FEATURE_ECX_CNTXID
5164 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5165 | X86_CPUID_FEATURE_ECX_PDCM
5166 | X86_CPUID_FEATURE_ECX_DCA
5167 | X86_CPUID_FEATURE_ECX_X2APIC
5168 );
5169
5170 /* Make sure we don't forget to update the masks when enabling
5171 * features in the future.
5172 */
5173 AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5174 ( X86_CPUID_FEATURE_ECX_DTES64
5175 | X86_CPUID_FEATURE_ECX_VMX
5176 | X86_CPUID_FEATURE_ECX_SMX
5177 | X86_CPUID_FEATURE_ECX_EST
5178 | X86_CPUID_FEATURE_ECX_TM2
5179 | X86_CPUID_FEATURE_ECX_CNTXID
5180 | X86_CPUID_FEATURE_ECX_TPRUPDATE
5181 | X86_CPUID_FEATURE_ECX_PDCM
5182 | X86_CPUID_FEATURE_ECX_DCA
5183 | X86_CPUID_FEATURE_ECX_X2APIC
5184 )));
5185 /* do the compare */
5186 if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5187 {
5188 if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5189 LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5190 "Saved=%.*Rhxs\n"
5191 "Real =%.*Rhxs\n",
5192 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5193 sizeof(au32CpuId), au32CpuId));
5194 else
5195 {
5196 LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5197 "Saved=%.*Rhxs\n"
5198 "Real =%.*Rhxs\n",
5199 sizeof(au32CpuIdSaved), au32CpuIdSaved,
5200 sizeof(au32CpuId), au32CpuId));
5201 rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5202 }
5203 }
5204 }
5205
5206 return rc;
5207}
5208
5209
5210
5211/*
5212 *
5213 *
5214 * CPUID Info Handler.
5215 * CPUID Info Handler.
5216 * CPUID Info Handler.
5217 *
5218 *
5219 */
5220
5221
5222
5223/**
5224 * Get L1 cache / TLS associativity.
5225 */
5226static const char *getCacheAss(unsigned u, char *pszBuf)
5227{
5228 if (u == 0)
5229 return "res0 ";
5230 if (u == 1)
5231 return "direct";
5232 if (u == 255)
5233 return "fully";
5234 if (u >= 256)
5235 return "???";
5236
5237 RTStrPrintf(pszBuf, 16, "%d way", u);
5238 return pszBuf;
5239}
5240
5241
5242/**
5243 * Get L2 cache associativity.
5244 */
5245const char *getL2CacheAss(unsigned u)
5246{
5247 switch (u)
5248 {
5249 case 0: return "off ";
5250 case 1: return "direct";
5251 case 2: return "2 way ";
5252 case 3: return "res3 ";
5253 case 4: return "4 way ";
5254 case 5: return "res5 ";
5255 case 6: return "8 way ";
5256 case 7: return "res7 ";
5257 case 8: return "16 way";
5258 case 9: return "res9 ";
5259 case 10: return "res10 ";
5260 case 11: return "res11 ";
5261 case 12: return "res12 ";
5262 case 13: return "res13 ";
5263 case 14: return "res14 ";
5264 case 15: return "fully ";
5265 default: return "????";
5266 }
5267}
5268
5269
5270/** CPUID(1).EDX field descriptions. */
5271static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
5272{
5273 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5274 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5275 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5276 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5277 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5278 DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
5279 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5280 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5281 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5282 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5283 DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
5284 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5285 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5286 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5287 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5288 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5289 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5290 DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
5291 DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
5292 DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
5293 DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
5294 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5295 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
5296 DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
5297 DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
5298 DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
5299 DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
5300 DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
5301 DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
5302 DBGFREGSUBFIELD_TERMINATOR()
5303};
5304
5305/** CPUID(1).ECX field descriptions. */
5306static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
5307{
5308 DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
5309 DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
5310 DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
5311 DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
5312 DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
5313 DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
5314 DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
5315 DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
5316 DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
5317 DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
5318 DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
5319 DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
5320 DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
5321 DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
5322 DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
5323 DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
5324 DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
5325 DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
5326 DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
5327 DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
5328 DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
5329 DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
5330 DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
5331 DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
5332 DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
5333 DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
5334 DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
5335 DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
5336 DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
5337 DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
5338 DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
5339 DBGFREGSUBFIELD_TERMINATOR()
5340};
5341
5342/** CPUID(7,0).EBX field descriptions. */
5343static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
5344{
5345 DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
5346 DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
5347 DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
5348 DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
5349 DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
5350 DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
5351 DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
5352 DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
5353 DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
5354 DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
5355 DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
5356 DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
5357 DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
5358 DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
5359 DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
5360 DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
5361 DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
5362 DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
5363 DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
5364 DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
5365 DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
5366 DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
5367 DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
5368 DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
5369 DBGFREGSUBFIELD_TERMINATOR()
5370};
5371
5372/** CPUID(7,0).ECX field descriptions. */
5373static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
5374{
5375 DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
5376 DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
5377 DBGFREGSUBFIELD_RO("OSPKU\0" "CR4.PKU mirror", 4, 1, 0),
5378 DBGFREGSUBFIELD_TERMINATOR()
5379};
5380
5381
5382/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
5383static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
5384{
5385 DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
5386 DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
5387 DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
5388 DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
5389 DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
5390 DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
5391 DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
5392 DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
5393 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
5394 DBGFREGSUBFIELD_TERMINATOR()
5395};
5396
5397/** CPUID(13,1).EAX field descriptions. */
5398static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
5399{
5400 DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
5401 DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
5402 DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
5403 DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
5404 DBGFREGSUBFIELD_TERMINATOR()
5405};
5406
5407
5408/** CPUID(0x80000001,0).EDX field descriptions. */
5409static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
5410{
5411 DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5412 DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5413 DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5414 DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5415 DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5416 DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
5417 DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5418 DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5419 DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5420 DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5421 DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
5422 DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5423 DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5424 DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5425 DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5426 DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5427 DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5428 DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
5429 DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
5430 DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5431 DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
5432 DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
5433 DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
5434 DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
5435 DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
5436 DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
5437 DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
5438 DBGFREGSUBFIELD_TERMINATOR()
5439};
5440
5441/** CPUID(0x80000001,0).ECX field descriptions. */
5442static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
5443{
5444 DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
5445 DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
5446 DBGFREGSUBFIELD_RO("SVM\0" "AMD VM extensions", 2, 1, 0),
5447 DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
5448 DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
5449 DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
5450 DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
5451 DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
5452 DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
5453 DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
5454 DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
5455 DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
5456 DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
5457 DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
5458 DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
5459 DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
5460 DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
5461 DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
5462 DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
5463 DBGFREGSUBFIELD_TERMINATOR()
5464};
5465
5466
5467static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
5468 const char *pszLeadIn, uint32_t cchWidth)
5469{
5470 if (pszLeadIn)
5471 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
5472
5473 for (uint32_t iBit = 0; iBit < 32; iBit++)
5474 if (RT_BIT_32(iBit) & uVal)
5475 {
5476 while ( pDesc->pszName != NULL
5477 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
5478 pDesc++;
5479 if ( pDesc->pszName != NULL
5480 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
5481 {
5482 if (pDesc->cBits == 1)
5483 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
5484 else
5485 {
5486 uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
5487 if (pDesc->cBits < 32)
5488 uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
5489 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
5490 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
5491 }
5492 }
5493 else
5494 pHlp->pfnPrintf(pHlp, " %u", iBit);
5495 }
5496 if (pszLeadIn)
5497 pHlp->pfnPrintf(pHlp, "\n");
5498}
5499
5500
5501static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
5502 const char *pszLeadIn, uint32_t cchWidth)
5503{
5504 if (pszLeadIn)
5505 pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
5506
5507 for (uint32_t iBit = 0; iBit < 64; iBit++)
5508 if (RT_BIT_64(iBit) & uVal)
5509 {
5510 while ( pDesc->pszName != NULL
5511 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
5512 pDesc++;
5513 if ( pDesc->pszName != NULL
5514 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
5515 {
5516 if (pDesc->cBits == 1)
5517 pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
5518 else
5519 {
5520 uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
5521 if (pDesc->cBits < 64)
5522 uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
5523 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
5524 iBit = pDesc->iFirstBit + pDesc->cBits - 1;
5525 }
5526 }
5527 else
5528 pHlp->pfnPrintf(pHlp, " %u", iBit);
5529 }
5530 if (pszLeadIn)
5531 pHlp->pfnPrintf(pHlp, "\n");
5532}
5533
5534
5535static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
5536 const char *pszLeadIn, uint32_t cchWidth)
5537{
5538 if (!uVal)
5539 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
5540 else
5541 {
5542 pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
5543 cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
5544 pHlp->pfnPrintf(pHlp, " )\n");
5545 }
5546}
5547
5548
5549static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
5550 uint32_t cchWidth)
5551{
5552 uint32_t uCombined = uVal1 | uVal2;
5553 for (uint32_t iBit = 0; iBit < 32; iBit++)
5554 if ( (RT_BIT_32(iBit) & uCombined)
5555 || (iBit == pDesc->iFirstBit && pDesc->pszName) )
5556 {
5557 while ( pDesc->pszName != NULL
5558 && iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
5559 pDesc++;
5560
5561 if ( pDesc->pszName != NULL
5562 && iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
5563 {
5564 size_t cchMnemonic = strlen(pDesc->pszName);
5565 const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
5566 size_t cchDesc = strlen(pszDesc);
5567 uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
5568 uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
5569 if (pDesc->cBits < 32)
5570 {
5571 uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
5572 uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
5573 }
5574
5575 pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%*s= %u (%u)\n" : " %s - %s%*s= %#x (%#x)\n",
5576 pDesc->pszName, pszDesc,
5577 cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
5578 uFieldValue1, uFieldValue2);
5579
5580 iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
5581 pDesc++;
5582 }
5583 else
5584 pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
5585 RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
5586 }
5587}
5588
5589
5590/**
5591 * Produces a detailed summary of standard leaf 0x00000001.
5592 *
5593 * @param pHlp The info helper functions.
5594 * @param paLeaves The CPUID leaves array.
5595 * @param cLeaves The number of leaves in the array.
5596 * @param pCurLeaf The 0x00000001 leaf.
5597 * @param fVerbose Whether to be very verbose or not.
5598 * @param fIntel Set if intel CPU.
5599 */
5600static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
5601 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
5602{
5603 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
5604 static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
5605 uint32_t uEAX = pCurLeaf->uEax;
5606 uint32_t uEBX = pCurLeaf->uEbx;
5607
5608 pHlp->pfnPrintf(pHlp,
5609 "%36s %2d \tExtended: %d \tEffective: %d\n"
5610 "%36s %2d \tExtended: %d \tEffective: %d\n"
5611 "%36s %d\n"
5612 "%36s %d (%s)\n"
5613 "%36s %#04x\n"
5614 "%36s %d\n"
5615 "%36s %d\n"
5616 "%36s %#04x\n"
5617 ,
5618 "Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
5619 "Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
5620 "Stepping:", ASMGetCpuStepping(uEAX),
5621 "Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
5622 "APIC ID:", (uEBX >> 24) & 0xff,
5623 "Logical CPUs:",(uEBX >> 16) & 0xff,
5624 "CLFLUSH Size:",(uEBX >> 8) & 0xff,
5625 "Brand ID:", (uEBX >> 0) & 0xff);
5626 if (fVerbose)
5627 {
5628 CPUMCPUID Host;
5629 ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5630 pHlp->pfnPrintf(pHlp, "Features\n");
5631 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
5632 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
5633 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
5634 }
5635 else
5636 {
5637 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
5638 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
5639 }
5640}
5641
5642
5643/**
5644 * Produces a detailed summary of standard leaf 0x00000007.
5645 *
5646 * @param pHlp The info helper functions.
5647 * @param paLeaves The CPUID leaves array.
5648 * @param cLeaves The number of leaves in the array.
5649 * @param pCurLeaf The first 0x00000007 leaf.
5650 * @param fVerbose Whether to be very verbose or not.
5651 */
5652static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
5653 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
5654{
5655 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
5656 pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
5657 for (;;)
5658 {
5659 CPUMCPUID Host;
5660 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5661
5662 switch (pCurLeaf->uSubLeaf)
5663 {
5664 case 0:
5665 if (fVerbose)
5666 {
5667 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
5668 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
5669 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
5670 if (pCurLeaf->uEdx || Host.uEdx)
5671 pHlp->pfnPrintf(pHlp, "%36 %#x (%#x)\n", "Ext Features EDX:", pCurLeaf->uEdx, Host.uEdx);
5672 }
5673 else
5674 {
5675 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
5676 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
5677 if (pCurLeaf->uEdx)
5678 pHlp->pfnPrintf(pHlp, "%36 %#x\n", "Ext Features EDX:", pCurLeaf->uEdx);
5679 }
5680 break;
5681
5682 default:
5683 if (pCurLeaf->uEdx || pCurLeaf->uEcx || pCurLeaf->uEbx)
5684 pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
5685 pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
5686 break;
5687
5688 }
5689
5690 /* advance. */
5691 pCurLeaf++;
5692 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
5693 || pCurLeaf->uLeaf != 0x7)
5694 break;
5695 }
5696}
5697
5698
5699/**
5700 * Produces a detailed summary of standard leaf 0x0000000d.
5701 *
5702 * @param pHlp The info helper functions.
5703 * @param paLeaves The CPUID leaves array.
5704 * @param cLeaves The number of leaves in the array.
5705 * @param pCurLeaf The first 0x00000007 leaf.
5706 * @param fVerbose Whether to be very verbose or not.
5707 */
5708static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
5709 PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
5710{
5711 Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
5712 pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
5713 for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5714 {
5715 CPUMCPUID Host;
5716 ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5717
5718 switch (uSubLeaf)
5719 {
5720 case 0:
5721 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
5722 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
5723 pCurLeaf->uEbx, pCurLeaf->uEcx);
5724 pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
5725
5726 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
5727 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
5728 "Valid XCR0 bits, guest:", 42);
5729 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
5730 "Valid XCR0 bits, host:", 42);
5731 break;
5732
5733 case 1:
5734 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
5735 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
5736 cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
5737
5738 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
5739 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, guest:", pCurLeaf->uEbx);
5740 pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0|XSS, host:", Host.uEbx);
5741
5742 if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
5743 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
5744 " Valid IA32_XSS bits, guest:", 42);
5745 cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
5746 " Valid IA32_XSS bits, host:", 42);
5747 break;
5748
5749 default:
5750 if ( pCurLeaf
5751 && pCurLeaf->uSubLeaf == uSubLeaf
5752 && (pCurLeaf->uEax || pCurLeaf->uEbx || pCurLeaf->uEcx || pCurLeaf->uEdx) )
5753 {
5754 pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
5755 pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
5756 if (pCurLeaf->uEcx & ~RT_BIT_32(0))
5757 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
5758 if (pCurLeaf->uEdx)
5759 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
5760 pHlp->pfnPrintf(pHlp, " --");
5761 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
5762 pHlp->pfnPrintf(pHlp, "\n");
5763 }
5764 if (Host.uEax || Host.uEbx || Host.uEcx || Host.uEdx)
5765 {
5766 pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
5767 Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
5768 if (Host.uEcx & ~RT_BIT_32(0))
5769 pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
5770 if (Host.uEdx)
5771 pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
5772 pHlp->pfnPrintf(pHlp, " --");
5773 cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
5774 pHlp->pfnPrintf(pHlp, "\n");
5775 }
5776 break;
5777
5778 }
5779
5780 /* advance. */
5781 if (pCurLeaf)
5782 {
5783 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
5784 && pCurLeaf->uSubLeaf <= uSubLeaf
5785 && pCurLeaf->uLeaf == UINT32_C(0x0000000d))
5786 pCurLeaf++;
5787 if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
5788 || pCurLeaf->uLeaf != UINT32_C(0x0000000d))
5789 pCurLeaf = NULL;
5790 }
5791 }
5792}
5793
5794
5795static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
5796 PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
5797{
5798 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
5799 && pCurLeaf->uLeaf <= uUpToLeaf)
5800 {
5801 pHlp->pfnPrintf(pHlp,
5802 " %s\n"
5803 " Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
5804 while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
5805 && pCurLeaf->uLeaf <= uUpToLeaf)
5806 {
5807 CPUMCPUID Host;
5808 ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5809 pHlp->pfnPrintf(pHlp,
5810 "Gst: %08x/%04x %08x %08x %08x %08x\n"
5811 "Hst: %08x %08x %08x %08x\n",
5812 pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
5813 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
5814 pCurLeaf++;
5815 }
5816 }
5817
5818 return pCurLeaf;
5819}
5820
5821
5822/**
5823 * Display the guest CpuId leaves.
5824 *
5825 * @param pVM The cross context VM structure.
5826 * @param pHlp The info helper functions.
5827 * @param pszArgs "terse", "default" or "verbose".
5828 */
5829DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
5830{
5831 /*
5832 * Parse the argument.
5833 */
5834 unsigned iVerbosity = 1;
5835 if (pszArgs)
5836 {
5837 pszArgs = RTStrStripL(pszArgs);
5838 if (!strcmp(pszArgs, "terse"))
5839 iVerbosity--;
5840 else if (!strcmp(pszArgs, "verbose"))
5841 iVerbosity++;
5842 }
5843
5844 uint32_t uLeaf;
5845 CPUMCPUID Host;
5846 uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
5847 PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
5848 PCCPUMCPUIDLEAF pCurLeaf;
5849 PCCPUMCPUIDLEAF pNextLeaf;
5850 bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
5851 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
5852 pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
5853
5854 /*
5855 * Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
5856 */
5857 uint32_t cHstMax = ASMCpuId_EAX(0);
5858 uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
5859 uint32_t cMax = RT_MAX(cGstMax, cHstMax);
5860 pHlp->pfnPrintf(pHlp,
5861 " Raw Standard CPUID Leaves\n"
5862 " Leaf/sub-leaf eax ebx ecx edx\n");
5863 for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
5864 {
5865 uint32_t cMaxSubLeaves = 1;
5866 if (uLeaf == 4 || uLeaf == 7 || uLeaf == 0xb)
5867 cMaxSubLeaves = 16;
5868 else if (uLeaf == 0xd)
5869 cMaxSubLeaves = 128;
5870
5871 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
5872 {
5873 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5874 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
5875 && pCurLeaf->uLeaf == uLeaf
5876 && pCurLeaf->uSubLeaf == uSubLeaf)
5877 {
5878 pHlp->pfnPrintf(pHlp,
5879 "Gst: %08x/%04x %08x %08x %08x %08x\n"
5880 "Hst: %08x %08x %08x %08x\n",
5881 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
5882 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
5883 pCurLeaf++;
5884 }
5885 else if ( uLeaf != 0xd
5886 || uSubLeaf <= 1
5887 || Host.uEbx != 0 )
5888 pHlp->pfnPrintf(pHlp,
5889 "Hst: %08x/%04x %08x %08x %08x %08x\n",
5890 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
5891
5892 /* Done? */
5893 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
5894 || pCurLeaf->uLeaf != uLeaf)
5895 && ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8))
5896 || (uLeaf == 0x7 && Host.uEax == 0)
5897 || (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 || (Host.uEcx & 0xff00) >= 8))
5898 || (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
5899 || (uLeaf == 0xd && uSubLeaf >= 128)
5900 )
5901 )
5902 break;
5903 }
5904 }
5905 pNextLeaf = pCurLeaf;
5906
5907 /*
5908 * If verbose, decode it.
5909 */
5910 if (iVerbosity && paLeaves[0].uLeaf == 0)
5911 pHlp->pfnPrintf(pHlp,
5912 "%36s %.04s%.04s%.04s\n"
5913 "%36s 0x00000000-%#010x\n"
5914 ,
5915 "Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
5916 "Supports:", paLeaves[0].uEax);
5917
5918 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
5919 cpumR3CpuIdInfoStdLeaf1Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1, fIntel);
5920
5921 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
5922 cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
5923
5924 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
5925 cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
5926
5927 pCurLeaf = pNextLeaf;
5928
5929 /*
5930 * Hypervisor leaves.
5931 *
5932 * Unlike most of the other leaves reported, the guest hypervisor leaves
5933 * aren't a subset of the host CPUID bits.
5934 */
5935 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
5936
5937 ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5938 cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
5939 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
5940 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
5941 cMax = RT_MAX(cHstMax, cGstMax);
5942 if (cMax >= UINT32_C(0x40000000))
5943 {
5944 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
5945
5946 /** @todo dump these in more detail. */
5947
5948 pCurLeaf = pNextLeaf;
5949 }
5950
5951
5952 /*
5953 * Extended. Custom raw dump here due to ECX sub-leaves host handling.
5954 * Implemented after AMD specs.
5955 */
5956 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
5957
5958 ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5959 cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
5960 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
5961 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
5962 cMax = RT_MAX(cHstMax, cGstMax);
5963 if (cMax >= UINT32_C(0x80000000))
5964 {
5965
5966 pHlp->pfnPrintf(pHlp,
5967 " Raw Extended CPUID Leaves\n"
5968 " Leaf/sub-leaf eax ebx ecx edx\n");
5969 PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
5970 for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
5971 {
5972 uint32_t cMaxSubLeaves = 1;
5973 if (uLeaf == UINT32_C(0x8000001d))
5974 cMaxSubLeaves = 16;
5975
5976 for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
5977 {
5978 ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
5979 if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
5980 && pCurLeaf->uLeaf == uLeaf
5981 && pCurLeaf->uSubLeaf == uSubLeaf)
5982 {
5983 pHlp->pfnPrintf(pHlp,
5984 "Gst: %08x/%04x %08x %08x %08x %08x\n"
5985 "Hst: %08x %08x %08x %08x\n",
5986 uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
5987 Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
5988 pCurLeaf++;
5989 }
5990 else if ( uLeaf != 0xd
5991 || uSubLeaf <= 1
5992 || Host.uEbx != 0 )
5993 pHlp->pfnPrintf(pHlp,
5994 "Hst: %08x/%04x %08x %08x %08x %08x\n",
5995 uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
5996
5997 /* Done? */
5998 if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
5999 || pCurLeaf->uLeaf != uLeaf)
6000 && (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 || (Host.uEax & 0x000f) >= 8)) )
6001 break;
6002 }
6003 }
6004 pNextLeaf = pCurLeaf;
6005
6006 /*
6007 * Understandable output
6008 */
6009 if (iVerbosity)
6010 pHlp->pfnPrintf(pHlp,
6011 "Ext Name: %.4s%.4s%.4s\n"
6012 "Ext Supports: 0x80000000-%#010x\n",
6013 &pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6014
6015 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6016 if (iVerbosity && pCurLeaf)
6017 {
6018 uint32_t uEAX = pCurLeaf->uEax;
6019 pHlp->pfnPrintf(pHlp,
6020 "Family: %d \tExtended: %d \tEffective: %d\n"
6021 "Model: %d \tExtended: %d \tEffective: %d\n"
6022 "Stepping: %d\n"
6023 "Brand ID: %#05x\n",
6024 (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6025 (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6026 ASMGetCpuStepping(uEAX),
6027 pCurLeaf->uEbx & 0xfff);
6028
6029 if (iVerbosity == 1)
6030 {
6031 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6032 cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6033 }
6034 else
6035 {
6036 ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6037 pHlp->pfnPrintf(pHlp, "Ext Features\n");
6038 pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6039 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6040 cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6041 }
6042 }
6043
6044 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6045 {
6046 char szString[4*4*3+1] = {0};
6047 uint32_t *pu32 = (uint32_t *)szString;
6048 *pu32++ = pCurLeaf->uEax;
6049 *pu32++ = pCurLeaf->uEbx;
6050 *pu32++ = pCurLeaf->uEcx;
6051 *pu32++ = pCurLeaf->uEdx;
6052 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6053 if (pCurLeaf)
6054 {
6055 *pu32++ = pCurLeaf->uEax;
6056 *pu32++ = pCurLeaf->uEbx;
6057 *pu32++ = pCurLeaf->uEcx;
6058 *pu32++ = pCurLeaf->uEdx;
6059 }
6060 pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6061 if (pCurLeaf)
6062 {
6063 *pu32++ = pCurLeaf->uEax;
6064 *pu32++ = pCurLeaf->uEbx;
6065 *pu32++ = pCurLeaf->uEcx;
6066 *pu32++ = pCurLeaf->uEdx;
6067 }
6068 pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6069 }
6070
6071 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6072 {
6073 uint32_t uEAX = pCurLeaf->uEax;
6074 uint32_t uEBX = pCurLeaf->uEbx;
6075 uint32_t uECX = pCurLeaf->uEcx;
6076 uint32_t uEDX = pCurLeaf->uEdx;
6077 char sz1[32];
6078 char sz2[32];
6079
6080 pHlp->pfnPrintf(pHlp,
6081 "TLB 2/4M Instr/Uni: %s %3d entries\n"
6082 "TLB 2/4M Data: %s %3d entries\n",
6083 getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6084 getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6085 pHlp->pfnPrintf(pHlp,
6086 "TLB 4K Instr/Uni: %s %3d entries\n"
6087 "TLB 4K Data: %s %3d entries\n",
6088 getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6089 getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6090 pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6091 "L1 Instr Cache Lines Per Tag: %d\n"
6092 "L1 Instr Cache Associativity: %s\n"
6093 "L1 Instr Cache Size: %d KB\n",
6094 (uEDX >> 0) & 0xff,
6095 (uEDX >> 8) & 0xff,
6096 getCacheAss((uEDX >> 16) & 0xff, sz1),
6097 (uEDX >> 24) & 0xff);
6098 pHlp->pfnPrintf(pHlp,
6099 "L1 Data Cache Line Size: %d bytes\n"
6100 "L1 Data Cache Lines Per Tag: %d\n"
6101 "L1 Data Cache Associativity: %s\n"
6102 "L1 Data Cache Size: %d KB\n",
6103 (uECX >> 0) & 0xff,
6104 (uECX >> 8) & 0xff,
6105 getCacheAss((uECX >> 16) & 0xff, sz1),
6106 (uECX >> 24) & 0xff);
6107 }
6108
6109 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6110 {
6111 uint32_t uEAX = pCurLeaf->uEax;
6112 uint32_t uEBX = pCurLeaf->uEbx;
6113 uint32_t uEDX = pCurLeaf->uEdx;
6114
6115 pHlp->pfnPrintf(pHlp,
6116 "L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6117 "L2 TLB 2/4M Data: %s %4d entries\n",
6118 getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6119 getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6120 pHlp->pfnPrintf(pHlp,
6121 "L2 TLB 4K Instr/Uni: %s %4d entries\n"
6122 "L2 TLB 4K Data: %s %4d entries\n",
6123 getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6124 getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6125 pHlp->pfnPrintf(pHlp,
6126 "L2 Cache Line Size: %d bytes\n"
6127 "L2 Cache Lines Per Tag: %d\n"
6128 "L2 Cache Associativity: %s\n"
6129 "L2 Cache Size: %d KB\n",
6130 (uEDX >> 0) & 0xff,
6131 (uEDX >> 8) & 0xf,
6132 getL2CacheAss((uEDX >> 12) & 0xf),
6133 (uEDX >> 16) & 0xffff);
6134 }
6135
6136 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6137 {
6138 uint32_t uEDX = pCurLeaf->uEdx;
6139
6140 pHlp->pfnPrintf(pHlp, "APM Features: ");
6141 if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " TS");
6142 if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " FID");
6143 if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " VID");
6144 if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " TTP");
6145 if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TM");
6146 if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " STC");
6147 if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " MC");
6148 if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " HWPSTATE");
6149 if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " TscInvariant");
6150 if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " CPB");
6151 if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " EffFreqRO");
6152 if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PFI");
6153 if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PA");
6154 for (unsigned iBit = 13; iBit < 32; iBit++)
6155 if (uEDX & RT_BIT(iBit))
6156 pHlp->pfnPrintf(pHlp, " %d", iBit);
6157 pHlp->pfnPrintf(pHlp, "\n");
6158
6159 ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6160 pHlp->pfnPrintf(pHlp, "Host Invariant-TSC support: %RTbool\n",
6161 cHstMax >= UINT32_C(0x80000007) && (Host.uEdx & RT_BIT(8)));
6162
6163 }
6164
6165 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0)) != NULL)
6166 {
6167 uint32_t uEAX = pCurLeaf->uEax;
6168 uint32_t uECX = pCurLeaf->uEcx;
6169
6170 pHlp->pfnPrintf(pHlp,
6171 "Physical Address Width: %d bits\n"
6172 "Virtual Address Width: %d bits\n"
6173 "Guest Physical Address Width: %d bits\n",
6174 (uEAX >> 0) & 0xff,
6175 (uEAX >> 8) & 0xff,
6176 (uEAX >> 16) & 0xff);
6177 pHlp->pfnPrintf(pHlp,
6178 "Physical Core Count: %d\n",
6179 ((uECX >> 0) & 0xff) + 1);
6180 }
6181
6182 pCurLeaf = pNextLeaf;
6183 }
6184
6185
6186
6187 /*
6188 * Centaur.
6189 */
6190 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
6191
6192 ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6193 cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
6194 ? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
6195 cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
6196 ? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
6197 cMax = RT_MAX(cHstMax, cGstMax);
6198 if (cMax >= UINT32_C(0xc0000000))
6199 {
6200 pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
6201
6202 /*
6203 * Understandable output
6204 */
6205 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
6206 pHlp->pfnPrintf(pHlp,
6207 "Centaur Supports: 0xc0000000-%#010x\n",
6208 pCurLeaf->uEax);
6209
6210 if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
6211 {
6212 ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6213 uint32_t uEdxGst = pCurLeaf->uEdx;
6214 uint32_t uEdxHst = Host.uEdx;
6215
6216 if (iVerbosity == 1)
6217 {
6218 pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
6219 if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
6220 if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
6221 if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
6222 if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
6223 if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
6224 if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
6225 if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
6226 if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
6227 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6228 if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
6229 if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
6230 if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
6231 if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
6232 if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
6233 if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
6234 for (unsigned iBit = 14; iBit < 32; iBit++)
6235 if (uEdxGst & RT_BIT(iBit))
6236 pHlp->pfnPrintf(pHlp, " %d", iBit);
6237 pHlp->pfnPrintf(pHlp, "\n");
6238 }
6239 else
6240 {
6241 pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
6242 pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
6243 pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
6244 pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
6245 pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
6246 pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
6247 pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
6248 pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
6249 pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
6250 /* possibly indicating MM/HE and MM/HE-E on older chips... */
6251 pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
6252 pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
6253 pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
6254 pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
6255 pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
6256 pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
6257 pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
6258 pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
6259 pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
6260 pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
6261 pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
6262 pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
6263 pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
6264 pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
6265 pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
6266 pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
6267 pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
6268 pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
6269 pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
6270 for (unsigned iBit = 27; iBit < 32; iBit++)
6271 if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
6272 pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
6273 pHlp->pfnPrintf(pHlp, "\n");
6274 }
6275 }
6276
6277 pCurLeaf = pNextLeaf;
6278 }
6279
6280 /*
6281 * The remainder.
6282 */
6283 pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
6284}
6285
6286
6287
6288
6289
6290/*
6291 *
6292 *
6293 * PATM interfaces.
6294 * PATM interfaces.
6295 * PATM interfaces.
6296 *
6297 *
6298 */
6299
6300
6301# if defined(VBOX_WITH_RAW_MODE) || defined(DOXYGEN_RUNNING)
6302/** @name Patchmanager CPUID legacy table APIs
6303 * @{
6304 */
6305
6306/**
6307 * Gets a pointer to the default CPUID leaf.
6308 *
6309 * @returns Raw-mode pointer to the default CPUID leaf (read-only).
6310 * @param pVM The cross context VM structure.
6311 * @remark Intended for PATM only.
6312 */
6313VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
6314{
6315 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
6316}
6317
6318
6319/**
6320 * Gets a number of standard CPUID leaves (PATM only).
6321 *
6322 * @returns Number of leaves.
6323 * @param pVM The cross context VM structure.
6324 * @remark Intended for PATM - legacy, don't use in new code.
6325 */
6326VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
6327{
6328 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
6329}
6330
6331
6332/**
6333 * Gets a number of extended CPUID leaves (PATM only).
6334 *
6335 * @returns Number of leaves.
6336 * @param pVM The cross context VM structure.
6337 * @remark Intended for PATM - legacy, don't use in new code.
6338 */
6339VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
6340{
6341 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
6342}
6343
6344
6345/**
6346 * Gets a number of centaur CPUID leaves.
6347 *
6348 * @returns Number of leaves.
6349 * @param pVM The cross context VM structure.
6350 * @remark Intended for PATM - legacy, don't use in new code.
6351 */
6352VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
6353{
6354 return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
6355}
6356
6357
6358/**
6359 * Gets a pointer to the array of standard CPUID leaves.
6360 *
6361 * CPUMR3GetGuestCpuIdStdMax() give the size of the array.
6362 *
6363 * @returns Raw-mode pointer to the standard CPUID leaves (read-only).
6364 * @param pVM The cross context VM structure.
6365 * @remark Intended for PATM - legacy, don't use in new code.
6366 */
6367VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
6368{
6369 return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
6370}
6371
6372
6373/**
6374 * Gets a pointer to the array of extended CPUID leaves.
6375 *
6376 * CPUMGetGuestCpuIdExtMax() give the size of the array.
6377 *
6378 * @returns Raw-mode pointer to the extended CPUID leaves (read-only).
6379 * @param pVM The cross context VM structure.
6380 * @remark Intended for PATM - legacy, don't use in new code.
6381 */
6382VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
6383{
6384 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
6385}
6386
6387
6388/**
6389 * Gets a pointer to the array of centaur CPUID leaves.
6390 *
6391 * CPUMGetGuestCpuIdCentaurMax() give the size of the array.
6392 *
6393 * @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
6394 * @param pVM The cross context VM structure.
6395 * @remark Intended for PATM - legacy, don't use in new code.
6396 */
6397VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
6398{
6399 return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
6400}
6401
6402/** @} */
6403# endif /* VBOX_WITH_RAW_MODE || DOXYGEN_RUNNING */
6404
6405#endif /* VBOX_IN_VMM */
6406
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