CPUMR3CpuId.cpp@ 68155

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1	/* $Id: CPUMR3CpuId.cpp 67836 2017-07-06 16:00:53Z vboxsync $ */
2	/** @file
3	* CPUM - CPU ID part.
4	*/
5
6	/*
7	* Copyright (C) 2013-2016 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_CPUM
23	#include <VBox/vmm/cpum.h>
24	#include <VBox/vmm/dbgf.h>
25	#include <VBox/vmm/hm.h>
26	#include <VBox/vmm/ssm.h>
27	#include "CPUMInternal.h"
28	#include <VBox/vmm/vm.h>
29	#include <VBox/vmm/mm.h>
30	#include <VBox/sup.h>
31
32	#include <VBox/err.h>
33	#include <iprt/asm-amd64-x86.h>
34	#include <iprt/ctype.h>
35	#include <iprt/mem.h>
36	#include <iprt/string.h>
37
38
39	/*********************************************************************************************************************************
40	* Defined Constants And Macros *
41	*********************************************************************************************************************************/
42	/** For sanity and avoid wasting hyper heap on buggy config / saved state. */
43	#define CPUM_CPUID_MAX_LEAVES 2048
44	/* Max size we accept for the XSAVE area. */
45	#define CPUM_MAX_XSAVE_AREA_SIZE 10240
46	/* Min size we accept for the XSAVE area. */
47	#define CPUM_MIN_XSAVE_AREA_SIZE 0x240
48
49
50	/*********************************************************************************************************************************
51	* Global Variables *
52	*********************************************************************************************************************************/
53	/**
54	* The intel pentium family.
55	*/
56	static const CPUMMICROARCH g_aenmIntelFamily06[] =
57	{
58	/* [ 0(0x00)] = / kCpumMicroarch_Intel_P6, / Pentium Pro A-step (says sandpile.org). */
59	/* [ 1(0x01)] = / kCpumMicroarch_Intel_P6, / Pentium Pro */
60	/* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown,
61	/* [ 3(0x03)] = / kCpumMicroarch_Intel_P6_II, / PII Klamath */
62	/* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown,
63	/* [ 5(0x05)] = / kCpumMicroarch_Intel_P6_II, / PII Deschutes */
64	/* [ 6(0x06)] = / kCpumMicroarch_Intel_P6_II, / Celeron Mendocino. */
65	/* [ 7(0x07)] = / kCpumMicroarch_Intel_P6_III, / PIII Katmai. */
66	/* [ 8(0x08)] = / kCpumMicroarch_Intel_P6_III, / PIII Coppermine (includes Celeron). */
67	/* [ 9(0x09)] = / kCpumMicroarch_Intel_P6_M_Banias, / Pentium/Celeron M Banias. */
68	/* [10(0x0a)] = / kCpumMicroarch_Intel_P6_III, / PIII Xeon */
69	/* [11(0x0b)] = / kCpumMicroarch_Intel_P6_III, / PIII Tualatin (includes Celeron). */
70	/* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown,
71	/* [13(0x0d)] = / kCpumMicroarch_Intel_P6_M_Dothan, / Pentium/Celeron M Dothan. */
72	/* [14(0x0e)] = / kCpumMicroarch_Intel_Core_Yonah, / Core Yonah (Enhanced Pentium M). */
73	/* [15(0x0f)] = / kCpumMicroarch_Intel_Core2_Merom, / Merom */
74	/* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown,
75	/* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown,
76	/* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown,
77	/* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown,
78	/* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown,
79	/* [21(0x15)] = / kCpumMicroarch_Intel_P6_M_Dothan, / Tolapai - System-on-a-chip. */
80	/* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom,
81	/* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn,
82	/* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown,
83	/* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown,
84	/* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem,
85	/* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown,
86	/* [28(0x1c)] = / kCpumMicroarch_Intel_Atom_Bonnell, / Diamonville, Pineview, */
87	/* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn,
88	/* [30(0x1e)] = / kCpumMicroarch_Intel_Core7_Nehalem, / Clarksfield, Lynnfield, Jasper Forest. */
89	/* [31(0x1f)] = / kCpumMicroarch_Intel_Core7_Nehalem, / Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */
90	/* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown,
91	/* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown,
92	/* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown,
93	/* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown,
94	/* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown,
95	/* [37(0x25)] = / kCpumMicroarch_Intel_Core7_Westmere, / Arrandale, Clarksdale. */
96	/* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft,
97	/* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell,
98	/* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown,
99	/* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown,
100	/* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge,
101	/* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown,
102	/* [44(0x2c)] = / kCpumMicroarch_Intel_Core7_Westmere, / Gulftown, Westmere-EP. */
103	/* [45(0x2d)] = / kCpumMicroarch_Intel_Core7_SandyBridge, / SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */
104	/* [46(0x2e)] = / kCpumMicroarch_Intel_Core7_Nehalem, / Beckton (Xeon). */
105	/* [47(0x2f)] = / kCpumMicroarch_Intel_Core7_Westmere, / Westmere-EX. */
106	/* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown,
107	/* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown,
108	/* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown,
109	/* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown,
110	/* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown,
111	/* [53(0x35)] = / kCpumMicroarch_Intel_Atom_Saltwell, / ?? */
112	/* [54(0x36)] = / kCpumMicroarch_Intel_Atom_Saltwell, / Cedarview, ++ */
113	/* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
114	/* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown,
115	/* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown,
116	/* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
117	/* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown,
118	/* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell,
119	/* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell,
120	/* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge,
121	/* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell,
122	/* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown,
123	/* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown,
124	/* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown,
125	/* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown,
126	/* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown,
127	/* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell,
128	/* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell,
129	/* [71(0x47)] = / kCpumMicroarch_Intel_Core7_Broadwell, / i7-5775C */
130	/* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown,
131	/* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown,
132	/* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
133	/* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown,
134	/* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount,
135	/* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont,
136	/* [78(0x4e)] = / kCpumMicroarch_Intel_Core7_Skylake, / unconfirmed */
137	/* [79(0x4f)] = / kCpumMicroarch_Intel_Core7_Broadwell, / unconfirmed, Broadwell-E */
138	/* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
139	/* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
140	/* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
141	/* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
142	/* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
143	/* [85(0x55)] = / kCpumMicroarch_Intel_Core7_Skylake, / unconfirmed server cpu */
144	/* [86(0x56)] = / kCpumMicroarch_Intel_Core7_Broadwell, / Xeon D-1540, Broadwell-DE */
145	/* [87(0x57)] = */ kCpumMicroarch_Intel_Unknown,
146	/* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
147	/* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
148	/* [90(0x5a)] = / kCpumMicroarch_Intel_Atom_Silvermont, / Moorefield */
149	/* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
150	/* [92(0x5c)] = / kCpumMicroarch_Intel_Atom_Goldmont, / unconfirmed */
151	/* [93(0x5d)] = / kCpumMicroarch_Intel_Atom_Silvermont, / x3-C3230 */
152	/* [94(0x5e)] = / kCpumMicroarch_Intel_Core7_Skylake, / i7-6700K */
153	/* [95(0x5f)] = */ kCpumMicroarch_Intel_Unknown,
154	/* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
155	/* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
156	/* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
157	/* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
158	/* [99(0x64)] = */ kCpumMicroarch_Intel_Unknown,
159	/* [99(0x65)] = */ kCpumMicroarch_Intel_Unknown,
160	/* [99(0x66)] = / kCpumMicroarch_Intel_Core7_Cannonlake, / unconfirmed */
161	};
162
163
164
165	/**
166	* Figures out the (sub-)micro architecture given a bit of CPUID info.
167	*
168	* @returns Micro architecture.
169	* @param enmVendor The CPU vendor .
170	* @param bFamily The CPU family.
171	* @param bModel The CPU model.
172	* @param bStepping The CPU stepping.
173	*/
174	VMMR3DECL(CPUMMICROARCH) CPUMR3CpuIdDetermineMicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
175	uint8_t bModel, uint8_t bStepping)
176	{
177	if (enmVendor == CPUMCPUVENDOR_AMD)
178	{
179	switch (bFamily)
180	{
181	case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
182	case 0x03: return kCpumMicroarch_AMD_Am386;
183	case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
184	case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
185	case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
186	case 0x06:
187	switch (bModel)
188	{
189	case 0: return kCpumMicroarch_AMD_K7_Palomino;
190	case 1: return kCpumMicroarch_AMD_K7_Palomino;
191	case 2: return kCpumMicroarch_AMD_K7_Palomino;
192	case 3: return kCpumMicroarch_AMD_K7_Spitfire;
193	case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
194	case 6: return kCpumMicroarch_AMD_K7_Palomino;
195	case 7: return kCpumMicroarch_AMD_K7_Morgan;
196	case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
197	case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
198	}
199	return kCpumMicroarch_AMD_K7_Unknown;
200	case 0x0f:
201	/*
202	* This family is a friggin mess. Trying my best to make some
203	* sense out of it. Too much happened in the 0x0f family to
204	* lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
205	*
206	* Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
207	* cpu-world.com, and other places:
208	* - 130nm:
209	* - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
210	* - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
211	* - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
212	* - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
213	* - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
214	* - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
215	* - 90nm:
216	* - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
217	* - Oakville: 10FC0/DH-D0.
218	* - Georgetown: 10FC0/DH-D0.
219	* - Sonora: 10FC0/DH-D0.
220	* - Venus: 20F71/SH-E4
221	* - Troy: 20F51/SH-E4
222	* - Athens: 20F51/SH-E4
223	* - San Diego: 20F71/SH-E4.
224	* - Lancaster: 20F42/SH-E5
225	* - Newark: 20F42/SH-E5.
226	* - Albany: 20FC2/DH-E6.
227	* - Roma: 20FC2/DH-E6.
228	* - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
229	* - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
230	* - 90nm introducing Dual core:
231	* - Denmark: 20F30/JH-E1, 20F32/JH-E6
232	* - Italy: 20F10/JH-E1, 20F12/JH-E6
233	* - Egypt: 20F10/JH-E1, 20F12/JH-E6
234	* - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
235	* - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
236	* - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
237	* - Santa Ana: 40F32/JH-F2, /-F3
238	* - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
239	* - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
240	* - Manila: 50FF2/DH-F2, 40FF2/DH-F2
241	* - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
242	* - Keene: 40FC2/DH-F2.
243	* - Richmond: 40FC2/DH-F2
244	* - Taylor: 40F82/BH-F2
245	* - Trinidad: 40F82/BH-F2
246	*
247	* - 65nm:
248	* - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
249	* - Tyler: 60F81/BH-G1, 60F82/BH-G2.
250	* - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
251	* - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
252	* - Sherman: /-G1, 70FC2/DH-G2.
253	* - Huron: 70FF2/DH-G2.
254	*/
255	if (bModel < 0x10)
256	return kCpumMicroarch_AMD_K8_130nm;
257	if (bModel >= 0x60 && bModel < 0x80)
258	return kCpumMicroarch_AMD_K8_65nm;
259	if (bModel >= 0x40)
260	return kCpumMicroarch_AMD_K8_90nm_AMDV;
261	switch (bModel)
262	{
263	case 0x21:
264	case 0x23:
265	case 0x2b:
266	case 0x2f:
267	case 0x37:
268	case 0x3f:
269	return kCpumMicroarch_AMD_K8_90nm_DualCore;
270	}
271	return kCpumMicroarch_AMD_K8_90nm;
272	case 0x10:
273	return kCpumMicroarch_AMD_K10;
274	case 0x11:
275	return kCpumMicroarch_AMD_K10_Lion;
276	case 0x12:
277	return kCpumMicroarch_AMD_K10_Llano;
278	case 0x14:
279	return kCpumMicroarch_AMD_Bobcat;
280	case 0x15:
281	switch (bModel)
282	{
283	case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
284	case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
285	case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
286	case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
287	case 0x11: /* ?? */
288	case 0x12: /* ?? */
289	case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
290	}
291	return kCpumMicroarch_AMD_15h_Unknown;
292	case 0x16:
293	return kCpumMicroarch_AMD_Jaguar;
294	case 0x17:
295	return kCpumMicroarch_AMD_Zen_Ryzen;
296	}
297	return kCpumMicroarch_AMD_Unknown;
298	}
299
300	if (enmVendor == CPUMCPUVENDOR_INTEL)
301	{
302	switch (bFamily)
303	{
304	case 3:
305	return kCpumMicroarch_Intel_80386;
306	case 4:
307	return kCpumMicroarch_Intel_80486;
308	case 5:
309	return kCpumMicroarch_Intel_P5;
310	case 6:
311	if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
312	return g_aenmIntelFamily06[bModel];
313	return kCpumMicroarch_Intel_Atom_Unknown;
314	case 15:
315	switch (bModel)
316	{
317	case 0: return kCpumMicroarch_Intel_NB_Willamette;
318	case 1: return kCpumMicroarch_Intel_NB_Willamette;
319	case 2: return kCpumMicroarch_Intel_NB_Northwood;
320	case 3: return kCpumMicroarch_Intel_NB_Prescott;
321	case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
322	case 5: return kCpumMicroarch_Intel_NB_Unknown; /??/
323	case 6: return kCpumMicroarch_Intel_NB_CedarMill;
324	case 7: return kCpumMicroarch_Intel_NB_Gallatin;
325	default: return kCpumMicroarch_Intel_NB_Unknown;
326	}
327	break;
328	/* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
329	case 0:
330	return kCpumMicroarch_Intel_8086;
331	case 1:
332	return kCpumMicroarch_Intel_80186;
333	case 2:
334	return kCpumMicroarch_Intel_80286;
335	}
336	return kCpumMicroarch_Intel_Unknown;
337	}
338
339	if (enmVendor == CPUMCPUVENDOR_VIA)
340	{
341	switch (bFamily)
342	{
343	case 5:
344	switch (bModel)
345	{
346	case 1: return kCpumMicroarch_Centaur_C6;
347	case 4: return kCpumMicroarch_Centaur_C6;
348	case 8: return kCpumMicroarch_Centaur_C2;
349	case 9: return kCpumMicroarch_Centaur_C3;
350	}
351	break;
352
353	case 6:
354	switch (bModel)
355	{
356	case 5: return kCpumMicroarch_VIA_C3_M2;
357	case 6: return kCpumMicroarch_VIA_C3_C5A;
358	case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
359	case 8: return kCpumMicroarch_VIA_C3_C5N;
360	case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
361	case 10: return kCpumMicroarch_VIA_C7_C5J;
362	case 15: return kCpumMicroarch_VIA_Isaiah;
363	}
364	break;
365	}
366	return kCpumMicroarch_VIA_Unknown;
367	}
368
369	if (enmVendor == CPUMCPUVENDOR_CYRIX)
370	{
371	switch (bFamily)
372	{
373	case 4:
374	switch (bModel)
375	{
376	case 9: return kCpumMicroarch_Cyrix_5x86;
377	}
378	break;
379
380	case 5:
381	switch (bModel)
382	{
383	case 2: return kCpumMicroarch_Cyrix_M1;
384	case 4: return kCpumMicroarch_Cyrix_MediaGX;
385	case 5: return kCpumMicroarch_Cyrix_MediaGXm;
386	}
387	break;
388
389	case 6:
390	switch (bModel)
391	{
392	case 0: return kCpumMicroarch_Cyrix_M2;
393	}
394	break;
395
396	}
397	return kCpumMicroarch_Cyrix_Unknown;
398	}
399
400	return kCpumMicroarch_Unknown;
401	}
402
403
404	/**
405	* Translates a microarchitecture enum value to the corresponding string
406	* constant.
407	*
408	* @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
409	* NULL if the value is invalid.
410	*
411	* @param enmMicroarch The enum value to convert.
412	*/
413	VMMR3DECL(const char *) CPUMR3MicroarchName(CPUMMICROARCH enmMicroarch)
414	{
415	switch (enmMicroarch)
416	{
417	#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
418	CASE_RET_STR(kCpumMicroarch_Intel_8086);
419	CASE_RET_STR(kCpumMicroarch_Intel_80186);
420	CASE_RET_STR(kCpumMicroarch_Intel_80286);
421	CASE_RET_STR(kCpumMicroarch_Intel_80386);
422	CASE_RET_STR(kCpumMicroarch_Intel_80486);
423	CASE_RET_STR(kCpumMicroarch_Intel_P5);
424
425	CASE_RET_STR(kCpumMicroarch_Intel_P6);
426	CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
427	CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
428
429	CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
430	CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
431	CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
432
433	CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
434	CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
435
436	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
437	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
438	CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
439	CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
440	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
441	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
442	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
443	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Cannonlake);
444
445	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
446	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
447	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
448	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
449	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
450	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
451	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
452
453	CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
454	CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
455	CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
456	CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
457	CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
458	CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
459	CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
460
461	CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
462
463	CASE_RET_STR(kCpumMicroarch_AMD_Am286);
464	CASE_RET_STR(kCpumMicroarch_AMD_Am386);
465	CASE_RET_STR(kCpumMicroarch_AMD_Am486);
466	CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
467	CASE_RET_STR(kCpumMicroarch_AMD_K5);
468	CASE_RET_STR(kCpumMicroarch_AMD_K6);
469
470	CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
471	CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
472	CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
473	CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
474	CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
475	CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
476	CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
477
478	CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
479	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
480	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
481	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
482	CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
483
484	CASE_RET_STR(kCpumMicroarch_AMD_K10);
485	CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
486	CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
487	CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
488	CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
489
490	CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
491	CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
492	CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
493	CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
494	CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
495
496	CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
497
498	CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
499
500	CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
501
502	CASE_RET_STR(kCpumMicroarch_Centaur_C6);
503	CASE_RET_STR(kCpumMicroarch_Centaur_C2);
504	CASE_RET_STR(kCpumMicroarch_Centaur_C3);
505	CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
506	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
507	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
508	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
509	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
510	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
511	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
512	CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
513	CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
514	CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
515
516	CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
517	CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
518	CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
519	CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
520	CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
521	CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
522
523	CASE_RET_STR(kCpumMicroarch_NEC_V20);
524	CASE_RET_STR(kCpumMicroarch_NEC_V30);
525
526	CASE_RET_STR(kCpumMicroarch_Unknown);
527
528	#undef CASE_RET_STR
529	case kCpumMicroarch_Invalid:
530	case kCpumMicroarch_Intel_End:
531	case kCpumMicroarch_Intel_Core7_End:
532	case kCpumMicroarch_Intel_Atom_End:
533	case kCpumMicroarch_Intel_P6_Core_Atom_End:
534	case kCpumMicroarch_Intel_NB_End:
535	case kCpumMicroarch_AMD_K7_End:
536	case kCpumMicroarch_AMD_K8_End:
537	case kCpumMicroarch_AMD_15h_End:
538	case kCpumMicroarch_AMD_16h_End:
539	case kCpumMicroarch_AMD_Zen_End:
540	case kCpumMicroarch_AMD_End:
541	case kCpumMicroarch_VIA_End:
542	case kCpumMicroarch_Cyrix_End:
543	case kCpumMicroarch_NEC_End:
544	case kCpumMicroarch_32BitHack:
545	break;
546	/* no default! */
547	}
548
549	return NULL;
550	}
551
552
553	/**
554	* Determins the host CPU MXCSR mask.
555	*
556	* @returns MXCSR mask.
557	*/
558	VMMR3DECL(uint32_t) CPUMR3DeterminHostMxCsrMask(void)
559	{
560	if ( ASMHasCpuId()
561	&& ASMIsValidStdRange(ASMCpuId_EAX(0))
562	&& ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_FXSR)
563	{
564	uint8_t volatile abBuf[sizeof(X86FXSTATE) + 64];
565	PX86FXSTATE pState = (PX86FXSTATE)&abBuf[64 - ((uintptr_t)&abBuf[0] & 63)];
566	RT_ZERO(*pState);
567	ASMFxSave(pState);
568	if (pState->MXCSR_MASK == 0)
569	return 0xffbf;
570	return pState->MXCSR_MASK;
571	}
572	return 0;
573	}
574
575
576	/**
577	* Gets a matching leaf in the CPUID leaf array.
578	*
579	* @returns Pointer to the matching leaf, or NULL if not found.
580	* @param paLeaves The CPUID leaves to search. This is sorted.
581	* @param cLeaves The number of leaves in the array.
582	* @param uLeaf The leaf to locate.
583	* @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
584	*/
585	static PCPUMCPUIDLEAF cpumR3CpuIdGetLeaf(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
586	{
587	/* Lazy bird does linear lookup here since this is only used for the
588	occational CPUID overrides. */
589	for (uint32_t i = 0; i < cLeaves; i++)
590	if ( paLeaves[i].uLeaf == uLeaf
591	&& paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
592	return &paLeaves[i];
593	return NULL;
594	}
595
596
597	#ifndef IN_VBOX_CPU_REPORT
598	/**
599	* Gets a matching leaf in the CPUID leaf array, converted to a CPUMCPUID.
600	*
601	* @returns true if found, false it not.
602	* @param paLeaves The CPUID leaves to search. This is sorted.
603	* @param cLeaves The number of leaves in the array.
604	* @param uLeaf The leaf to locate.
605	* @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
606	* @param pLegacy The legacy output leaf.
607	*/
608	static bool cpumR3CpuIdGetLeafLegacy(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf,
609	PCPUMCPUID pLegacy)
610	{
611	PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, uLeaf, uSubLeaf);
612	if (pLeaf)
613	{
614	pLegacy->uEax = pLeaf->uEax;
615	pLegacy->uEbx = pLeaf->uEbx;
616	pLegacy->uEcx = pLeaf->uEcx;
617	pLegacy->uEdx = pLeaf->uEdx;
618	return true;
619	}
620	return false;
621	}
622	#endif /* IN_VBOX_CPU_REPORT */
623
624
625	/**
626	* Ensures that the CPUID leaf array can hold one more leaf.
627	*
628	* @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
629	* failure.
630	* @param pVM The cross context VM structure. If NULL, use
631	* the process heap, otherwise the VM's hyper heap.
632	* @param ppaLeaves Pointer to the variable holding the array pointer
633	* (input/output).
634	* @param cLeaves The current array size.
635	*
636	* @remarks This function will automatically update the R0 and RC pointers when
637	* using the hyper heap, which means @a ppaLeaves and @a cLeaves must
638	* be the corresponding VM's CPUID arrays (which is asserted).
639	*/
640	static PCPUMCPUIDLEAF cpumR3CpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
641	{
642	/*
643	* If pVM is not specified, we're on the regular heap and can waste a
644	* little space to speed things up.
645	*/
646	uint32_t cAllocated;
647	if (!pVM)
648	{
649	cAllocated = RT_ALIGN(cLeaves, 16);
650	if (cLeaves + 1 > cAllocated)
651	{
652	void pvNew = RTMemRealloc(ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
653	if (pvNew)
654	*ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
655	else
656	{
657	RTMemFree(*ppaLeaves);
658	*ppaLeaves = NULL;
659	}
660	}
661	}
662	/*
663	* Otherwise, we're on the hyper heap and are probably just inserting
664	* one or two leaves and should conserve space.
665	*/
666	else
667	{
668	#ifdef IN_VBOX_CPU_REPORT
669	AssertReleaseFailed();
670	#else
671	Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
672	Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
673
674	size_t cb = cLeaves * sizeof(**ppaLeaves);
675	size_t cbNew = (cLeaves + 1) * sizeof(**ppaLeaves);
676	int rc = MMR3HyperRealloc(pVM, ppaLeaves, cb, 32, MM_TAG_CPUM_CPUID, cbNew, (void *)ppaLeaves);
677	if (RT_SUCCESS(rc))
678	{
679	/* Update the R0 and RC pointers. */
680	pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, *ppaLeaves);
681	pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, *ppaLeaves);
682	}
683	else
684	{
685	*ppaLeaves = NULL;
686	pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
687	pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
688	LogRel(("CPUM: cpumR3CpuIdEnsureSpace: MMR3HyperRealloc failed. rc=%Rrc\n", rc));
689	}
690	#endif
691	}
692	return *ppaLeaves;
693	}
694
695
696	/**
697	* Append a CPUID leaf or sub-leaf.
698	*
699	* ASSUMES linear insertion order, so we'll won't need to do any searching or
700	* replace anything. Use cpumR3CpuIdInsert() for those cases.
701	*
702	* @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
703	* the caller need do no more work.
704	* @param ppaLeaves Pointer to the pointer to the array of sorted
705	* CPUID leaves and sub-leaves.
706	* @param pcLeaves Where we keep the leaf count for *ppaLeaves.
707	* @param uLeaf The leaf we're adding.
708	* @param uSubLeaf The sub-leaf number.
709	* @param fSubLeafMask The sub-leaf mask.
710	* @param uEax The EAX value.
711	* @param uEbx The EBX value.
712	* @param uEcx The ECX value.
713	* @param uEdx The EDX value.
714	* @param fFlags The flags.
715	*/
716	static int cpumR3CollectCpuIdInfoAddOne(PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves,
717	uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
718	uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
719	{
720	if (!cpumR3CpuIdEnsureSpace(NULL /* pVM /, ppaLeaves, pcLeaves))
721	return VERR_NO_MEMORY;
722
723	PCPUMCPUIDLEAF pNew = &(ppaLeaves)[pcLeaves];
724	Assert( *pcLeaves == 0
725	\|\| pNew[-1].uLeaf < uLeaf
726	\|\| (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
727
728	pNew->uLeaf = uLeaf;
729	pNew->uSubLeaf = uSubLeaf;
730	pNew->fSubLeafMask = fSubLeafMask;
731	pNew->uEax = uEax;
732	pNew->uEbx = uEbx;
733	pNew->uEcx = uEcx;
734	pNew->uEdx = uEdx;
735	pNew->fFlags = fFlags;
736
737	*pcLeaves += 1;
738	return VINF_SUCCESS;
739	}
740
741
742	/**
743	* Checks that we've updated the CPUID leaves array correctly.
744	*
745	* This is a no-op in non-strict builds.
746	*
747	* @param paLeaves The leaves array.
748	* @param cLeaves The number of leaves.
749	*/
750	static void cpumR3CpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
751	{
752	#ifdef VBOX_STRICT
753	for (uint32_t i = 1; i < cLeaves; i++)
754	if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
755	AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
756	else
757	{
758	AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
759	("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
760	AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
761	("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
762	AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
763	("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
764	}
765	#else
766	NOREF(paLeaves);
767	NOREF(cLeaves);
768	#endif
769	}
770
771
772	/**
773	* Inserts a CPU ID leaf, replacing any existing ones.
774	*
775	* When inserting a simple leaf where we already got a series of sub-leaves with
776	* the same leaf number (eax), the simple leaf will replace the whole series.
777	*
778	* When pVM is NULL, this ASSUMES that the leaves array is still on the normal
779	* host-context heap and has only been allocated/reallocated by the
780	* cpumR3CpuIdEnsureSpace function.
781	*
782	* @returns VBox status code.
783	* @param pVM The cross context VM structure. If NULL, use
784	* the process heap, otherwise the VM's hyper heap.
785	* @param ppaLeaves Pointer to the pointer to the array of sorted
786	* CPUID leaves and sub-leaves. Must be NULL if using
787	* the hyper heap.
788	* @param pcLeaves Where we keep the leaf count for *ppaLeaves. Must
789	* be NULL if using the hyper heap.
790	* @param pNewLeaf Pointer to the data of the new leaf we're about to
791	* insert.
792	*/
793	static int cpumR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves, PCPUMCPUIDLEAF pNewLeaf)
794	{
795	/*
796	* Validate input parameters if we are using the hyper heap and use the VM's CPUID arrays.
797	*/
798	if (pVM)
799	{
800	AssertReturn(!ppaLeaves, VERR_INVALID_PARAMETER);
801	AssertReturn(!pcLeaves, VERR_INVALID_PARAMETER);
802
803	ppaLeaves = &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
804	pcLeaves = &pVM->cpum.s.GuestInfo.cCpuIdLeaves;
805	}
806
807	PCPUMCPUIDLEAF paLeaves = *ppaLeaves;
808	uint32_t cLeaves = *pcLeaves;
809
810	/*
811	* Validate the new leaf a little.
812	*/
813	AssertLogRelMsgReturn(!(pNewLeaf->fFlags & ~CPUMCPUIDLEAF_F_VALID_MASK),
814	("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fFlags),
815	VERR_INVALID_FLAGS);
816	AssertLogRelMsgReturn(pNewLeaf->fSubLeafMask != 0 \|\| pNewLeaf->uSubLeaf == 0,
817	("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
818	VERR_INVALID_PARAMETER);
819	AssertLogRelMsgReturn(RT_IS_POWER_OF_TWO(pNewLeaf->fSubLeafMask + 1),
820	("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
821	VERR_INVALID_PARAMETER);
822	AssertLogRelMsgReturn((pNewLeaf->fSubLeafMask & pNewLeaf->uSubLeaf) == pNewLeaf->uSubLeaf,
823	("%#x/%#x: %#x", pNewLeaf->uLeaf, pNewLeaf->uSubLeaf, pNewLeaf->fSubLeafMask),
824	VERR_INVALID_PARAMETER);
825
826	/*
827	* Find insertion point. The lazy bird uses the same excuse as in
828	* cpumR3CpuIdGetLeaf(), but optimizes for linear insertion (saved state).
829	*/
830	uint32_t i;
831	if ( cLeaves > 0
832	&& paLeaves[cLeaves - 1].uLeaf < pNewLeaf->uLeaf)
833	{
834	/* Add at end. */
835	i = cLeaves;
836	}
837	else if ( cLeaves > 0
838	&& paLeaves[cLeaves - 1].uLeaf == pNewLeaf->uLeaf)
839	{
840	/* Either replacing the last leaf or dealing with sub-leaves. Spool
841	back to the first sub-leaf to pretend we did the linear search. */
842	i = cLeaves - 1;
843	while ( i > 0
844	&& paLeaves[i - 1].uLeaf == pNewLeaf->uLeaf)
845	i--;
846	}
847	else
848	{
849	/* Linear search from the start. */
850	i = 0;
851	while ( i < cLeaves
852	&& paLeaves[i].uLeaf < pNewLeaf->uLeaf)
853	i++;
854	}
855	if ( i < cLeaves
856	&& paLeaves[i].uLeaf == pNewLeaf->uLeaf)
857	{
858	if (paLeaves[i].fSubLeafMask != pNewLeaf->fSubLeafMask)
859	{
860	/*
861	* The sub-leaf mask differs, replace all existing leaves with the
862	* same leaf number.
863	*/
864	uint32_t c = 1;
865	while ( i + c < cLeaves
866	&& paLeaves[i + c].uLeaf == pNewLeaf->uLeaf)
867	c++;
868	if (c > 1 && i + c < cLeaves)
869	{
870	memmove(&paLeaves[i + c], &paLeaves[i + 1], (cLeaves - i - c) * sizeof(paLeaves[0]));
871	*pcLeaves = cLeaves -= c - 1;
872	}
873
874	paLeaves[i] = *pNewLeaf;
875	cpumR3CpuIdAssertOrder(ppaLeaves, pcLeaves);
876	return VINF_SUCCESS;
877	}
878
879	/* Find sub-leaf insertion point. */
880	while ( i < cLeaves
881	&& paLeaves[i].uSubLeaf < pNewLeaf->uSubLeaf
882	&& paLeaves[i].uLeaf == pNewLeaf->uLeaf)
883	i++;
884
885	/*
886	* If we've got an exactly matching leaf, replace it.
887	*/
888	if ( i < cLeaves
889	&& paLeaves[i].uLeaf == pNewLeaf->uLeaf
890	&& paLeaves[i].uSubLeaf == pNewLeaf->uSubLeaf)
891	{
892	paLeaves[i] = *pNewLeaf;
893	cpumR3CpuIdAssertOrder(ppaLeaves, pcLeaves);
894	return VINF_SUCCESS;
895	}
896	}
897
898	/*
899	* Adding a new leaf at 'i'.
900	*/
901	AssertLogRelReturn(cLeaves < CPUM_CPUID_MAX_LEAVES, VERR_TOO_MANY_CPUID_LEAVES);
902	paLeaves = cpumR3CpuIdEnsureSpace(pVM, ppaLeaves, cLeaves);
903	if (!paLeaves)
904	return VERR_NO_MEMORY;
905
906	if (i < cLeaves)
907	memmove(&paLeaves[i + 1], &paLeaves[i], (cLeaves - i) * sizeof(paLeaves[0]));
908	*pcLeaves += 1;
909	paLeaves[i] = *pNewLeaf;
910
911	cpumR3CpuIdAssertOrder(ppaLeaves, pcLeaves);
912	return VINF_SUCCESS;
913	}
914
915
916	#ifndef IN_VBOX_CPU_REPORT
917	/**
918	* Removes a range of CPUID leaves.
919	*
920	* This will not reallocate the array.
921	*
922	* @param paLeaves The array of sorted CPUID leaves and sub-leaves.
923	* @param pcLeaves Where we keep the leaf count for @a paLeaves.
924	* @param uFirst The first leaf.
925	* @param uLast The last leaf.
926	*/
927	static void cpumR3CpuIdRemoveRange(PCPUMCPUIDLEAF paLeaves, uint32_t *pcLeaves, uint32_t uFirst, uint32_t uLast)
928	{
929	uint32_t cLeaves = *pcLeaves;
930
931	Assert(uFirst <= uLast);
932
933	/*
934	* Find the first one.
935	*/
936	uint32_t iFirst = 0;
937	while ( iFirst < cLeaves
938	&& paLeaves[iFirst].uLeaf < uFirst)
939	iFirst++;
940
941	/*
942	* Find the end (last + 1).
943	*/
944	uint32_t iEnd = iFirst;
945	while ( iEnd < cLeaves
946	&& paLeaves[iEnd].uLeaf <= uLast)
947	iEnd++;
948
949	/*
950	* Adjust the array if anything needs removing.
951	*/
952	if (iFirst < iEnd)
953	{
954	if (iEnd < cLeaves)
955	memmove(&paLeaves[iFirst], &paLeaves[iEnd], (cLeaves - iEnd) * sizeof(paLeaves[0]));
956	*pcLeaves = cLeaves -= (iEnd - iFirst);
957	}
958
959	cpumR3CpuIdAssertOrder(paLeaves, *pcLeaves);
960	}
961	#endif /* IN_VBOX_CPU_REPORT */
962
963
964	/**
965	* Checks if ECX make a difference when reading a given CPUID leaf.
966	*
967	* @returns @c true if it does, @c false if it doesn't.
968	* @param uLeaf The leaf we're reading.
969	* @param pcSubLeaves Number of sub-leaves accessible via ECX.
970	* @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
971	* final sub-leaf (for leaf 0xb only).
972	*/
973	static bool cpumR3IsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t pcSubLeaves, bool pfFinalEcxUnchanged)
974	{
975	*pfFinalEcxUnchanged = false;
976
977	uint32_t auCur[4];
978	uint32_t auPrev[4];
979	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
980
981	/* Look for sub-leaves. */
982	uint32_t uSubLeaf = 1;
983	for (;;)
984	{
985	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
986	if (memcmp(auCur, auPrev, sizeof(auCur)))
987	break;
988
989	/* Advance / give up. */
990	uSubLeaf++;
991	if (uSubLeaf >= 64)
992	{
993	*pcSubLeaves = 1;
994	return false;
995	}
996	}
997
998	/* Count sub-leaves. */
999	uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
1000	uint32_t cRepeats = 0;
1001	uSubLeaf = 0;
1002	for (;;)
1003	{
1004	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1005
1006	/* Figuring out when to stop isn't entirely straight forward as we need
1007	to cover undocumented behavior up to a point and implementation shortcuts. */
1008
1009	/* 1. Look for more than 4 repeating value sets. */
1010	if ( auCur[0] == auPrev[0]
1011	&& auCur[1] == auPrev[1]
1012	&& ( auCur[2] == auPrev[2]
1013	\|\| ( auCur[2] == uSubLeaf
1014	&& auPrev[2] == uSubLeaf - 1) )
1015	&& auCur[3] == auPrev[3])
1016	{
1017	if ( uLeaf != 0xd
1018	\|\| uSubLeaf >= 64
1019	\|\| ( auCur[0] == 0
1020	&& auCur[1] == 0
1021	&& auCur[2] == 0
1022	&& auCur[3] == 0
1023	&& auPrev[2] == 0) )
1024	cRepeats++;
1025	if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
1026	break;
1027	}
1028	else
1029	cRepeats = 0;
1030
1031	/* 2. Look for zero values. */
1032	if ( auCur[0] == 0
1033	&& auCur[1] == 0
1034	&& (auCur[2] == 0 \|\| auCur[2] == uSubLeaf)
1035	&& (auCur[3] == 0 \|\| uLeaf == 0xb /* edx is fixed */)
1036	&& uSubLeaf >= cMinLeaves)
1037	{
1038	cRepeats = 0;
1039	break;
1040	}
1041
1042	/* 3. Leaf 0xb level type 0 check. */
1043	if ( uLeaf == 0xb
1044	&& (auCur[2] & 0xff00) == 0
1045	&& (auPrev[2] & 0xff00) == 0)
1046	{
1047	cRepeats = 0;
1048	break;
1049	}
1050
1051	/* 99. Give up. */
1052	if (uSubLeaf >= 128)
1053	{
1054	#ifndef IN_VBOX_CPU_REPORT
1055	/* Ok, limit it according to the documentation if possible just to
1056	avoid annoying users with these detection issues. */
1057	uint32_t cDocLimit = UINT32_MAX;
1058	if (uLeaf == 0x4)
1059	cDocLimit = 4;
1060	else if (uLeaf == 0x7)
1061	cDocLimit = 1;
1062	else if (uLeaf == 0xd)
1063	cDocLimit = 63;
1064	else if (uLeaf == 0xf)
1065	cDocLimit = 2;
1066	if (cDocLimit != UINT32_MAX)
1067	{
1068	*pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1069	*pcSubLeaves = cDocLimit + 3;
1070	return true;
1071	}
1072	#endif
1073	*pcSubLeaves = UINT32_MAX;
1074	return true;
1075	}
1076
1077	/* Advance. */
1078	uSubLeaf++;
1079	memcpy(auPrev, auCur, sizeof(auCur));
1080	}
1081
1082	/* Standard exit. */
1083	*pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
1084	*pcSubLeaves = uSubLeaf + 1 - cRepeats;
1085	if (*pcSubLeaves == 0)
1086	*pcSubLeaves = 1;
1087	return true;
1088	}
1089
1090
1091	/**
1092	* Gets a CPU ID leaf.
1093	*
1094	* @returns VBox status code.
1095	* @param pVM The cross context VM structure.
1096	* @param pLeaf Where to store the found leaf.
1097	* @param uLeaf The leaf to locate.
1098	* @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
1099	*/
1100	VMMR3DECL(int) CPUMR3CpuIdGetLeaf(PVM pVM, PCPUMCPUIDLEAF pLeaf, uint32_t uLeaf, uint32_t uSubLeaf)
1101	{
1102	PCPUMCPUIDLEAF pcLeaf = cpumR3CpuIdGetLeaf(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1103	uLeaf, uSubLeaf);
1104	if (pcLeaf)
1105	{
1106	memcpy(pLeaf, pcLeaf, sizeof(*pLeaf));
1107	return VINF_SUCCESS;
1108	}
1109
1110	return VERR_NOT_FOUND;
1111	}
1112
1113
1114	/**
1115	* Inserts a CPU ID leaf, replacing any existing ones.
1116	*
1117	* @returns VBox status code.
1118	* @param pVM The cross context VM structure.
1119	* @param pNewLeaf Pointer to the leaf being inserted.
1120	*/
1121	VMMR3DECL(int) CPUMR3CpuIdInsert(PVM pVM, PCPUMCPUIDLEAF pNewLeaf)
1122	{
1123	/*
1124	* Validate parameters.
1125	*/
1126	AssertReturn(pVM, VERR_INVALID_PARAMETER);
1127	AssertReturn(pNewLeaf, VERR_INVALID_PARAMETER);
1128
1129	/*
1130	* Disallow replacing CPU ID leaves that this API currently cannot manage.
1131	* These leaves have dependencies on saved-states, see PATMCpuidReplacement().
1132	* If you want to modify these leaves, use CPUMSetGuestCpuIdFeature().
1133	*/
1134	if ( pNewLeaf->uLeaf == UINT32_C(0x00000000) /* Standard */
1135	\|\| pNewLeaf->uLeaf == UINT32_C(0x00000001)
1136	\|\| pNewLeaf->uLeaf == UINT32_C(0x80000000) /* Extended */
1137	\|\| pNewLeaf->uLeaf == UINT32_C(0x80000001)
1138	\|\| pNewLeaf->uLeaf == UINT32_C(0xc0000000) /* Centaur */
1139	\|\| pNewLeaf->uLeaf == UINT32_C(0xc0000001) )
1140	{
1141	return VERR_NOT_SUPPORTED;
1142	}
1143
1144	return cpumR3CpuIdInsert(pVM, NULL /* ppaLeaves /, NULL / pcLeaves */, pNewLeaf);
1145	}
1146
1147	/**
1148	* Collects CPUID leaves and sub-leaves, returning a sorted array of them.
1149	*
1150	* @returns VBox status code.
1151	* @param ppaLeaves Where to return the array pointer on success.
1152	* Use RTMemFree to release.
1153	* @param pcLeaves Where to return the size of the array on
1154	* success.
1155	*/
1156	VMMR3DECL(int) CPUMR3CpuIdCollectLeaves(PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves)
1157	{
1158	*ppaLeaves = NULL;
1159	*pcLeaves = 0;
1160
1161	/*
1162	* Try out various candidates. This must be sorted!
1163	*/
1164	static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
1165	{
1166	{ UINT32_C(0x00000000), false },
1167	{ UINT32_C(0x10000000), false },
1168	{ UINT32_C(0x20000000), false },
1169	{ UINT32_C(0x30000000), false },
1170	{ UINT32_C(0x40000000), false },
1171	{ UINT32_C(0x50000000), false },
1172	{ UINT32_C(0x60000000), false },
1173	{ UINT32_C(0x70000000), false },
1174	{ UINT32_C(0x80000000), false },
1175	{ UINT32_C(0x80860000), false },
1176	{ UINT32_C(0x8ffffffe), true },
1177	{ UINT32_C(0x8fffffff), true },
1178	{ UINT32_C(0x90000000), false },
1179	{ UINT32_C(0xa0000000), false },
1180	{ UINT32_C(0xb0000000), false },
1181	{ UINT32_C(0xc0000000), false },
1182	{ UINT32_C(0xd0000000), false },
1183	{ UINT32_C(0xe0000000), false },
1184	{ UINT32_C(0xf0000000), false },
1185	};
1186
1187	for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1188	{
1189	uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1190	uint32_t uEax, uEbx, uEcx, uEdx;
1191	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1192
1193	/*
1194	* Does EAX look like a typical leaf count value?
1195	*/
1196	if ( uEax > uLeaf
1197	&& uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1198	{
1199	/* Yes, dump them. */
1200	uint32_t cLeaves = uEax - uLeaf + 1;
1201	while (cLeaves-- > 0)
1202	{
1203	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1204
1205	uint32_t fFlags = 0;
1206
1207	/* There are currently three known leaves containing an APIC ID
1208	that needs EMT specific attention */
1209	if (uLeaf == 1)
1210	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1211	else if (uLeaf == 0xb && uEcx != 0)
1212	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1213	else if ( uLeaf == UINT32_C(0x8000001e)
1214	&& ( uEax
1215	\|\| uEbx
1216	\|\| uEdx
1217	\|\| ASMIsAmdCpuEx((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1218	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1219
1220	/* The APIC bit is per-VCpu and needs flagging. */
1221	if (uLeaf == 1)
1222	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1223	else if ( uLeaf == UINT32_C(0x80000001)
1224	&& ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1225	\|\| ASMIsAmdCpuEx((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1226	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1227
1228	/* Check three times here to reduce the chance of CPU migration
1229	resulting in false positives with things like the APIC ID. */
1230	uint32_t cSubLeaves;
1231	bool fFinalEcxUnchanged;
1232	if ( cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1233	&& cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1234	&& cpumR3IsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1235	{
1236	if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1237	{
1238	/* This shouldn't happen. But in case it does, file all
1239	relevant details in the release log. */
1240	LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1241	LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1242	for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1243	{
1244	uint32_t auTmp[4];
1245	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1246	LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1247	uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1248	}
1249	LogRel(("----------------- dump of what we've found so far -----------------\n"));
1250	for (uint32_t i = 0 ; i < *pcLeaves; i++)
1251	LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1252	(ppaLeaves)[i].uLeaf, (ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1253	(ppaLeaves)[i].uEax, (ppaLeaves)[i].uEbx, (ppaLeaves)[i].uEcx, (ppaLeaves)[i].uEdx));
1254	LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1255	return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1256	}
1257
1258	if (fFinalEcxUnchanged)
1259	fFlags \|= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1260
1261	for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1262	{
1263	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1264	int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1265	uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1266	if (RT_FAILURE(rc))
1267	return rc;
1268	}
1269	}
1270	else
1271	{
1272	int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1273	uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1274	if (RT_FAILURE(rc))
1275	return rc;
1276	}
1277
1278	/* next */
1279	uLeaf++;
1280	}
1281	}
1282	/*
1283	* Special CPUIDs needs special handling as they don't follow the
1284	* leaf count principle used above.
1285	*/
1286	else if (s_aCandidates[iOuter].fSpecial)
1287	{
1288	bool fKeep = false;
1289	if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1290	fKeep = true;
1291	else if ( uLeaf == 0x8fffffff
1292	&& RT_C_IS_PRINT(RT_BYTE1(uEax))
1293	&& RT_C_IS_PRINT(RT_BYTE2(uEax))
1294	&& RT_C_IS_PRINT(RT_BYTE3(uEax))
1295	&& RT_C_IS_PRINT(RT_BYTE4(uEax))
1296	&& RT_C_IS_PRINT(RT_BYTE1(uEbx))
1297	&& RT_C_IS_PRINT(RT_BYTE2(uEbx))
1298	&& RT_C_IS_PRINT(RT_BYTE3(uEbx))
1299	&& RT_C_IS_PRINT(RT_BYTE4(uEbx))
1300	&& RT_C_IS_PRINT(RT_BYTE1(uEcx))
1301	&& RT_C_IS_PRINT(RT_BYTE2(uEcx))
1302	&& RT_C_IS_PRINT(RT_BYTE3(uEcx))
1303	&& RT_C_IS_PRINT(RT_BYTE4(uEcx))
1304	&& RT_C_IS_PRINT(RT_BYTE1(uEdx))
1305	&& RT_C_IS_PRINT(RT_BYTE2(uEdx))
1306	&& RT_C_IS_PRINT(RT_BYTE3(uEdx))
1307	&& RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1308	fKeep = true;
1309	if (fKeep)
1310	{
1311	int rc = cpumR3CollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1312	uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1313	if (RT_FAILURE(rc))
1314	return rc;
1315	}
1316	}
1317	}
1318
1319	cpumR3CpuIdAssertOrder(ppaLeaves, pcLeaves);
1320	return VINF_SUCCESS;
1321	}
1322
1323
1324	/**
1325	* Determines the method the CPU uses to handle unknown CPUID leaves.
1326	*
1327	* @returns VBox status code.
1328	* @param penmUnknownMethod Where to return the method.
1329	* @param pDefUnknown Where to return default unknown values. This
1330	* will be set, even if the resulting method
1331	* doesn't actually needs it.
1332	*/
1333	VMMR3DECL(int) CPUMR3CpuIdDetectUnknownLeafMethod(PCPUMUNKNOWNCPUID penmUnknownMethod, PCPUMCPUID pDefUnknown)
1334	{
1335	uint32_t uLastStd = ASMCpuId_EAX(0);
1336	uint32_t uLastExt = ASMCpuId_EAX(0x80000000);
1337	if (!ASMIsValidExtRange(uLastExt))
1338	uLastExt = 0x80000000;
1339
1340	uint32_t auChecks[] =
1341	{
1342	uLastStd + 1,
1343	uLastStd + 5,
1344	uLastStd + 8,
1345	uLastStd + 32,
1346	uLastStd + 251,
1347	uLastExt + 1,
1348	uLastExt + 8,
1349	uLastExt + 15,
1350	uLastExt + 63,
1351	uLastExt + 255,
1352	0x7fbbffcc,
1353	0x833f7872,
1354	0xefff2353,
1355	0x35779456,
1356	0x1ef6d33e,
1357	};
1358
1359	static const uint32_t s_auValues[] =
1360	{
1361	0xa95d2156,
1362	0x00000001,
1363	0x00000002,
1364	0x00000008,
1365	0x00000000,
1366	0x55773399,
1367	0x93401769,
1368	0x12039587,
1369	};
1370
1371	/*
1372	* Simple method, all zeros.
1373	*/
1374	*penmUnknownMethod = CPUMUNKNOWNCPUID_DEFAULTS;
1375	pDefUnknown->uEax = 0;
1376	pDefUnknown->uEbx = 0;
1377	pDefUnknown->uEcx = 0;
1378	pDefUnknown->uEdx = 0;
1379
1380	/*
1381	* Intel has been observed returning the last standard leaf.
1382	*/
1383	uint32_t auLast[4];
1384	ASMCpuIdExSlow(uLastStd, 0, 0, 0, &auLast[0], &auLast[1], &auLast[2], &auLast[3]);
1385
1386	uint32_t cChecks = RT_ELEMENTS(auChecks);
1387	while (cChecks > 0)
1388	{
1389	uint32_t auCur[4];
1390	ASMCpuIdExSlow(auChecks[cChecks - 1], 0, 0, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1391	if (memcmp(auCur, auLast, sizeof(auCur)))
1392	break;
1393	cChecks--;
1394	}
1395	if (cChecks == 0)
1396	{
1397	/* Now, what happens when the input changes? Esp. ECX. */
1398	uint32_t cTotal = 0;
1399	uint32_t cSame = 0;
1400	uint32_t cLastWithEcx = 0;
1401	uint32_t cNeither = 0;
1402	uint32_t cValues = RT_ELEMENTS(s_auValues);
1403	while (cValues > 0)
1404	{
1405	uint32_t uValue = s_auValues[cValues - 1];
1406	uint32_t auLastWithEcx[4];
1407	ASMCpuIdExSlow(uLastStd, uValue, uValue, uValue,
1408	&auLastWithEcx[0], &auLastWithEcx[1], &auLastWithEcx[2], &auLastWithEcx[3]);
1409
1410	cChecks = RT_ELEMENTS(auChecks);
1411	while (cChecks > 0)
1412	{
1413	uint32_t auCur[4];
1414	ASMCpuIdExSlow(auChecks[cChecks - 1], uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1415	if (!memcmp(auCur, auLast, sizeof(auCur)))
1416	{
1417	cSame++;
1418	if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1419	cLastWithEcx++;
1420	}
1421	else if (!memcmp(auCur, auLastWithEcx, sizeof(auCur)))
1422	cLastWithEcx++;
1423	else
1424	cNeither++;
1425	cTotal++;
1426	cChecks--;
1427	}
1428	cValues--;
1429	}
1430
1431	Log(("CPUM: cNeither=%d cSame=%d cLastWithEcx=%d cTotal=%d\n", cNeither, cSame, cLastWithEcx, cTotal));
1432	if (cSame == cTotal)
1433	*penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1434	else if (cLastWithEcx == cTotal)
1435	*penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX;
1436	else
1437	*penmUnknownMethod = CPUMUNKNOWNCPUID_LAST_STD_LEAF;
1438	pDefUnknown->uEax = auLast[0];
1439	pDefUnknown->uEbx = auLast[1];
1440	pDefUnknown->uEcx = auLast[2];
1441	pDefUnknown->uEdx = auLast[3];
1442	return VINF_SUCCESS;
1443	}
1444
1445	/*
1446	* Unchanged register values?
1447	*/
1448	cChecks = RT_ELEMENTS(auChecks);
1449	while (cChecks > 0)
1450	{
1451	uint32_t const uLeaf = auChecks[cChecks - 1];
1452	uint32_t cValues = RT_ELEMENTS(s_auValues);
1453	while (cValues > 0)
1454	{
1455	uint32_t uValue = s_auValues[cValues - 1];
1456	uint32_t auCur[4];
1457	ASMCpuIdExSlow(uLeaf, uValue, uValue, uValue, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
1458	if ( auCur[0] != uLeaf
1459	\|\| auCur[1] != uValue
1460	\|\| auCur[2] != uValue
1461	\|\| auCur[3] != uValue)
1462	break;
1463	cValues--;
1464	}
1465	if (cValues != 0)
1466	break;
1467	cChecks--;
1468	}
1469	if (cChecks == 0)
1470	{
1471	*penmUnknownMethod = CPUMUNKNOWNCPUID_PASSTHRU;
1472	return VINF_SUCCESS;
1473	}
1474
1475	/*
1476	* Just go with the simple method.
1477	*/
1478	return VINF_SUCCESS;
1479	}
1480
1481
1482	/**
1483	* Translates a unknow CPUID leaf method into the constant name (sans prefix).
1484	*
1485	* @returns Read only name string.
1486	* @param enmUnknownMethod The method to translate.
1487	*/
1488	VMMR3DECL(const char *) CPUMR3CpuIdUnknownLeafMethodName(CPUMUNKNOWNCPUID enmUnknownMethod)
1489	{
1490	switch (enmUnknownMethod)
1491	{
1492	case CPUMUNKNOWNCPUID_DEFAULTS: return "DEFAULTS";
1493	case CPUMUNKNOWNCPUID_LAST_STD_LEAF: return "LAST_STD_LEAF";
1494	case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX: return "LAST_STD_LEAF_WITH_ECX";
1495	case CPUMUNKNOWNCPUID_PASSTHRU: return "PASSTHRU";
1496
1497	case CPUMUNKNOWNCPUID_INVALID:
1498	case CPUMUNKNOWNCPUID_END:
1499	case CPUMUNKNOWNCPUID_32BIT_HACK:
1500	break;
1501	}
1502	return "Invalid-unknown-CPUID-method";
1503	}
1504
1505
1506	/**
1507	* Detect the CPU vendor give n the
1508	*
1509	* @returns The vendor.
1510	* @param uEAX EAX from CPUID(0).
1511	* @param uEBX EBX from CPUID(0).
1512	* @param uECX ECX from CPUID(0).
1513	* @param uEDX EDX from CPUID(0).
1514	*/
1515	VMMR3DECL(CPUMCPUVENDOR) CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1516	{
1517	if (ASMIsValidStdRange(uEAX))
1518	{
1519	if (ASMIsAmdCpuEx(uEBX, uECX, uEDX))
1520	return CPUMCPUVENDOR_AMD;
1521
1522	if (ASMIsIntelCpuEx(uEBX, uECX, uEDX))
1523	return CPUMCPUVENDOR_INTEL;
1524
1525	if (ASMIsViaCentaurCpuEx(uEBX, uECX, uEDX))
1526	return CPUMCPUVENDOR_VIA;
1527
1528	if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1529	&& uECX == UINT32_C(0x64616574)
1530	&& uEDX == UINT32_C(0x736E4978))
1531	return CPUMCPUVENDOR_CYRIX;
1532
1533	/* "Geode by NSC", example: family 5, model 9. */
1534
1535	/** @todo detect the other buggers... */
1536	}
1537
1538	return CPUMCPUVENDOR_UNKNOWN;
1539	}
1540
1541
1542	/**
1543	* Translates a CPU vendor enum value into the corresponding string constant.
1544	*
1545	* The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1546	* value name. This can be useful when generating code.
1547	*
1548	* @returns Read only name string.
1549	* @param enmVendor The CPU vendor value.
1550	*/
1551	VMMR3DECL(const char *) CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor)
1552	{
1553	switch (enmVendor)
1554	{
1555	case CPUMCPUVENDOR_INTEL: return "INTEL";
1556	case CPUMCPUVENDOR_AMD: return "AMD";
1557	case CPUMCPUVENDOR_VIA: return "VIA";
1558	case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1559	case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1560
1561	case CPUMCPUVENDOR_INVALID:
1562	case CPUMCPUVENDOR_32BIT_HACK:
1563	break;
1564	}
1565	return "Invalid-cpu-vendor";
1566	}
1567
1568
1569	static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1570	{
1571	/* Could do binary search, doing linear now because I'm lazy. */
1572	PCCPUMCPUIDLEAF pLeaf = paLeaves;
1573	while (cLeaves-- > 0)
1574	{
1575	if (pLeaf->uLeaf == uLeaf)
1576	return pLeaf;
1577	pLeaf++;
1578	}
1579	return NULL;
1580	}
1581
1582
1583	static PCCPUMCPUIDLEAF cpumR3CpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1584	{
1585	PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1586	if ( !pLeaf
1587	\|\| pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1588	return pLeaf;
1589
1590	/* Linear sub-leaf search. Lazy as usual. */
1591	cLeaves -= pLeaf - paLeaves;
1592	while ( cLeaves-- > 0
1593	&& pLeaf->uLeaf == uLeaf)
1594	{
1595	if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1596	return pLeaf;
1597	pLeaf++;
1598	}
1599
1600	return NULL;
1601	}
1602
1603
1604	int cpumR3CpuIdExplodeFeatures(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCPUMFEATURES pFeatures)
1605	{
1606	RT_ZERO(*pFeatures);
1607	if (cLeaves >= 2)
1608	{
1609	AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1610	AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1611	PCCPUMCPUIDLEAF const pStd0Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1612	AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1613	PCCPUMCPUIDLEAF const pStd1Leaf = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1614	AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1615
1616	pFeatures->enmCpuVendor = CPUMR3CpuIdDetectVendorEx(pStd0Leaf->uEax,
1617	pStd0Leaf->uEbx,
1618	pStd0Leaf->uEcx,
1619	pStd0Leaf->uEdx);
1620	pFeatures->uFamily = ASMGetCpuFamily(pStd1Leaf->uEax);
1621	pFeatures->uModel = ASMGetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1622	pFeatures->uStepping = ASMGetCpuStepping(pStd1Leaf->uEax);
1623	pFeatures->enmMicroarch = CPUMR3CpuIdDetermineMicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1624	pFeatures->uFamily,
1625	pFeatures->uModel,
1626	pFeatures->uStepping);
1627
1628	PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1629	if (pLeaf)
1630	pFeatures->cMaxPhysAddrWidth = pLeaf->uEax & 0xff;
1631	else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1632	pFeatures->cMaxPhysAddrWidth = 36;
1633	else
1634	pFeatures->cMaxPhysAddrWidth = 32;
1635
1636	/* Standard features. */
1637	pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1638	pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1639	pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1640	pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1641	pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1642	pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1643	pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1644	pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1645	pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1646	pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1647	pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1648	pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1649	pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1650	pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1651	pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1652	pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1653	pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1654	pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1655	pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1656	pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1657	pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1658	pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1659	pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1660	pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1661
1662	/* Structured extended features. */
1663	PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1664	if (pSxfLeaf0)
1665	{
1666	pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1667	pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1668	pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1669	}
1670
1671	/* MWAIT/MONITOR leaf. */
1672	PCCPUMCPUIDLEAF const pMWaitLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 5);
1673	if (pMWaitLeaf)
1674	{
1675	pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1676	== (X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1677	}
1678
1679	/* Extended features. */
1680	PCCPUMCPUIDLEAF const pExtLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1681	if (pExtLeaf)
1682	{
1683	pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1684	pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1685	pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1686	pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1687	pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1688	pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1689	pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1690	pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1691	\|\| (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1692	\| X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1693	}
1694
1695	if ( pExtLeaf
1696	&& pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD)
1697	{
1698	/* AMD features. */
1699	pFeatures->fMsr \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1700	pFeatures->fApic \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1701	pFeatures->fPse \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1702	pFeatures->fPse36 \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1703	pFeatures->fPae \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1704	pFeatures->fPat \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1705	pFeatures->fFxSaveRstor \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1706	pFeatures->fMmx \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1707	pFeatures->fTsc \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1708	pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1709	pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1710	pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1711	if (pFeatures->fSvm)
1712	{
1713	PCCPUMCPUIDLEAF pSvmLeaf = cpumR3CpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1714	AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1715	pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1716	pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1717	pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1718	pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1719	pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1720	pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1721	pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1722	pFeatures->fSvmDecodeAssist = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSIST);
1723	pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1724	pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1725	pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1726	pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1727	}
1728	}
1729
1730	/*
1731	* Quirks.
1732	*/
1733	pFeatures->fLeakyFxSR = pExtLeaf
1734	&& (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1735	&& pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1736	&& pFeatures->uFamily >= 6 /* K7 and up */;
1737
1738	/*
1739	* Max extended (/FPU) state.
1740	*/
1741	pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1742	if (pFeatures->fXSaveRstor)
1743	{
1744	PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1745	if (pXStateLeaf0)
1746	{
1747	if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1748	&& pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1749	&& RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1750	&& pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1751	&& pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1752	&& RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1753	{
1754	pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1755
1756	/* (paranoia:) */
1757	PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumR3CpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1758	if ( pXStateLeaf1
1759	&& pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1760	&& pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1761	&& (pXStateLeaf1->uEcx \|\| pXStateLeaf1->uEdx) )
1762	pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1763	}
1764	else
1765	AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1766	pFeatures->fXSaveRstor = 0);
1767	}
1768	else
1769	AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1770	pFeatures->fXSaveRstor = 0);
1771	}
1772	}
1773	else
1774	AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1775	return VINF_SUCCESS;
1776	}
1777
1778
1779	/*
1780	*
1781	* Init related code.
1782	* Init related code.
1783	* Init related code.
1784	*
1785	*
1786	*/
1787	#ifdef VBOX_IN_VMM
1788
1789
1790	/**
1791	* Gets an exactly matching leaf + sub-leaf in the CPUID leaf array.
1792	*
1793	* This ignores the fSubLeafMask.
1794	*
1795	* @returns Pointer to the matching leaf, or NULL if not found.
1796	* @param paLeaves The CPUID leaves to search. This is sorted.
1797	* @param cLeaves The number of leaves in the array.
1798	* @param uLeaf The leaf to locate.
1799	* @param uSubLeaf The subleaf to locate.
1800	*/
1801	static PCPUMCPUIDLEAF cpumR3CpuIdGetExactLeaf(PCPUM pCpum, uint32_t uLeaf, uint32_t uSubLeaf)
1802	{
1803	uint64_t uNeedle = RT_MAKE_U64(uSubLeaf, uLeaf);
1804	PCPUMCPUIDLEAF paLeaves = pCpum->GuestInfo.paCpuIdLeavesR3;
1805	uint32_t iEnd = pCpum->GuestInfo.cCpuIdLeaves;
1806	if (iEnd)
1807	{
1808	uint32_t iBegin = 0;
1809	for (;;)
1810	{
1811	uint32_t const i = (iEnd - iBegin) / 2 + iBegin;
1812	uint64_t const uCur = RT_MAKE_U64(paLeaves[i].uSubLeaf, paLeaves[i].uLeaf);
1813	if (uNeedle < uCur)
1814	{
1815	if (i > iBegin)
1816	iEnd = i;
1817	else
1818	break;
1819	}
1820	else if (uNeedle > uCur)
1821	{
1822	if (i + 1 < iEnd)
1823	iBegin = i + 1;
1824	else
1825	break;
1826	}
1827	else
1828	return &paLeaves[i];
1829	}
1830	}
1831	return NULL;
1832	}
1833
1834
1835	/**
1836	* Loads MSR range overrides.
1837	*
1838	* This must be called before the MSR ranges are moved from the normal heap to
1839	* the hyper heap!
1840	*
1841	* @returns VBox status code (VMSetError called).
1842	* @param pVM The cross context VM structure.
1843	* @param pMsrNode The CFGM node with the MSR overrides.
1844	*/
1845	static int cpumR3LoadMsrOverrides(PVM pVM, PCFGMNODE pMsrNode)
1846	{
1847	for (PCFGMNODE pNode = CFGMR3GetFirstChild(pMsrNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1848	{
1849	/*
1850	* Assemble a valid MSR range.
1851	*/
1852	CPUMMSRRANGE MsrRange;
1853	MsrRange.offCpumCpu = 0;
1854	MsrRange.fReserved = 0;
1855
1856	int rc = CFGMR3GetName(pNode, MsrRange.szName, sizeof(MsrRange.szName));
1857	if (RT_FAILURE(rc))
1858	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry (name is probably too long): %Rrc\n", rc);
1859
1860	rc = CFGMR3QueryU32(pNode, "First", &MsrRange.uFirst);
1861	if (RT_FAILURE(rc))
1862	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying mandatory 'First' value: %Rrc\n",
1863	MsrRange.szName, rc);
1864
1865	rc = CFGMR3QueryU32Def(pNode, "Last", &MsrRange.uLast, MsrRange.uFirst);
1866	if (RT_FAILURE(rc))
1867	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Last' value: %Rrc\n",
1868	MsrRange.szName, rc);
1869
1870	char szType[32];
1871	rc = CFGMR3QueryStringDef(pNode, "Type", szType, sizeof(szType), "FixedValue");
1872	if (RT_FAILURE(rc))
1873	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Type' value: %Rrc\n",
1874	MsrRange.szName, rc);
1875	if (!RTStrICmp(szType, "FixedValue"))
1876	{
1877	MsrRange.enmRdFn = kCpumMsrRdFn_FixedValue;
1878	MsrRange.enmWrFn = kCpumMsrWrFn_IgnoreWrite;
1879
1880	rc = CFGMR3QueryU64Def(pNode, "Value", &MsrRange.uValue, 0);
1881	if (RT_FAILURE(rc))
1882	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'Value' value: %Rrc\n",
1883	MsrRange.szName, rc);
1884
1885	rc = CFGMR3QueryU64Def(pNode, "WrGpMask", &MsrRange.fWrGpMask, 0);
1886	if (RT_FAILURE(rc))
1887	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrGpMask' value: %Rrc\n",
1888	MsrRange.szName, rc);
1889
1890	rc = CFGMR3QueryU64Def(pNode, "WrIgnMask", &MsrRange.fWrIgnMask, 0);
1891	if (RT_FAILURE(rc))
1892	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid MSR entry '%s': Error querying 'WrIgnMask' value: %Rrc\n",
1893	MsrRange.szName, rc);
1894	}
1895	else
1896	return VMSetError(pVM, VERR_INVALID_PARAMETER, RT_SRC_POS,
1897	"Invalid MSR entry '%s': Unknown type '%s'\n", MsrRange.szName, szType);
1898
1899	/*
1900	* Insert the range into the table (replaces/splits/shrinks existing
1901	* MSR ranges).
1902	*/
1903	rc = cpumR3MsrRangesInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paMsrRangesR3, &pVM->cpum.s.GuestInfo.cMsrRanges,
1904	&MsrRange);
1905	if (RT_FAILURE(rc))
1906	return VMSetError(pVM, rc, RT_SRC_POS, "Error adding MSR entry '%s': %Rrc\n", MsrRange.szName, rc);
1907	}
1908
1909	return VINF_SUCCESS;
1910	}
1911
1912
1913	/**
1914	* Loads CPUID leaf overrides.
1915	*
1916	* This must be called before the CPUID leaves are moved from the normal
1917	* heap to the hyper heap!
1918	*
1919	* @returns VBox status code (VMSetError called).
1920	* @param pVM The cross context VM structure.
1921	* @param pParentNode The CFGM node with the CPUID leaves.
1922	* @param pszLabel How to label the overrides we're loading.
1923	*/
1924	static int cpumR3LoadCpuIdOverrides(PVM pVM, PCFGMNODE pParentNode, const char *pszLabel)
1925	{
1926	for (PCFGMNODE pNode = CFGMR3GetFirstChild(pParentNode); pNode; pNode = CFGMR3GetNextChild(pNode))
1927	{
1928	/*
1929	* Get the leaf and subleaf numbers.
1930	*/
1931	char szName[128];
1932	int rc = CFGMR3GetName(pNode, szName, sizeof(szName));
1933	if (RT_FAILURE(rc))
1934	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry (name is probably too long): %Rrc\n", pszLabel, rc);
1935
1936	/* The leaf number is either specified directly or thru the node name. */
1937	uint32_t uLeaf;
1938	rc = CFGMR3QueryU32(pNode, "Leaf", &uLeaf);
1939	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1940	{
1941	rc = RTStrToUInt32Full(szName, 16, &uLeaf);
1942	if (rc != VINF_SUCCESS)
1943	return VMSetError(pVM, VERR_INVALID_NAME, RT_SRC_POS,
1944	"Invalid %s entry: Invalid leaf number: '%s' \n", pszLabel, szName);
1945	}
1946	else if (RT_FAILURE(rc))
1947	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'Leaf' value: %Rrc\n",
1948	pszLabel, szName, rc);
1949
1950	uint32_t uSubLeaf;
1951	rc = CFGMR3QueryU32Def(pNode, "SubLeaf", &uSubLeaf, 0);
1952	if (RT_FAILURE(rc))
1953	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeaf' value: %Rrc\n",
1954	pszLabel, szName, rc);
1955
1956	uint32_t fSubLeafMask;
1957	rc = CFGMR3QueryU32Def(pNode, "SubLeafMask", &fSubLeafMask, 0);
1958	if (RT_FAILURE(rc))
1959	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'SubLeafMask' value: %Rrc\n",
1960	pszLabel, szName, rc);
1961
1962	/*
1963	* Look up the specified leaf, since the output register values
1964	* defaults to any existing values. This allows overriding a single
1965	* register, without needing to know the other values.
1966	*/
1967	PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(&pVM->cpum.s, uLeaf, uSubLeaf);
1968	CPUMCPUIDLEAF Leaf;
1969	if (pLeaf)
1970	Leaf = *pLeaf;
1971	else
1972	RT_ZERO(Leaf);
1973	Leaf.uLeaf = uLeaf;
1974	Leaf.uSubLeaf = uSubLeaf;
1975	Leaf.fSubLeafMask = fSubLeafMask;
1976
1977	rc = CFGMR3QueryU32Def(pNode, "eax", &Leaf.uEax, Leaf.uEax);
1978	if (RT_FAILURE(rc))
1979	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'eax' value: %Rrc\n",
1980	pszLabel, szName, rc);
1981	rc = CFGMR3QueryU32Def(pNode, "ebx", &Leaf.uEbx, Leaf.uEbx);
1982	if (RT_FAILURE(rc))
1983	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ebx' value: %Rrc\n",
1984	pszLabel, szName, rc);
1985	rc = CFGMR3QueryU32Def(pNode, "ecx", &Leaf.uEcx, Leaf.uEcx);
1986	if (RT_FAILURE(rc))
1987	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'ecx' value: %Rrc\n",
1988	pszLabel, szName, rc);
1989	rc = CFGMR3QueryU32Def(pNode, "edx", &Leaf.uEdx, Leaf.uEdx);
1990	if (RT_FAILURE(rc))
1991	return VMSetError(pVM, rc, RT_SRC_POS, "Invalid %s entry '%s': Error querying 'edx' value: %Rrc\n",
1992	pszLabel, szName, rc);
1993
1994	/*
1995	* Insert the leaf into the table (replaces existing ones).
1996	*/
1997	rc = cpumR3CpuIdInsert(NULL /* pVM */, &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3, &pVM->cpum.s.GuestInfo.cCpuIdLeaves,
1998	&Leaf);
1999	if (RT_FAILURE(rc))
2000	return VMSetError(pVM, rc, RT_SRC_POS, "Error adding CPUID leaf entry '%s': %Rrc\n", szName, rc);
2001	}
2002
2003	return VINF_SUCCESS;
2004	}
2005
2006
2007
2008	/**
2009	* Fetches overrides for a CPUID leaf.
2010	*
2011	* @returns VBox status code.
2012	* @param pLeaf The leaf to load the overrides into.
2013	* @param pCfgNode The CFGM node containing the overrides
2014	* (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2015	* @param iLeaf The CPUID leaf number.
2016	*/
2017	static int cpumR3CpuIdFetchLeafOverride(PCPUMCPUID pLeaf, PCFGMNODE pCfgNode, uint32_t iLeaf)
2018	{
2019	PCFGMNODE pLeafNode = CFGMR3GetChildF(pCfgNode, "%RX32", iLeaf);
2020	if (pLeafNode)
2021	{
2022	uint32_t u32;
2023	int rc = CFGMR3QueryU32(pLeafNode, "eax", &u32);
2024	if (RT_SUCCESS(rc))
2025	pLeaf->uEax = u32;
2026	else
2027	AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2028
2029	rc = CFGMR3QueryU32(pLeafNode, "ebx", &u32);
2030	if (RT_SUCCESS(rc))
2031	pLeaf->uEbx = u32;
2032	else
2033	AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2034
2035	rc = CFGMR3QueryU32(pLeafNode, "ecx", &u32);
2036	if (RT_SUCCESS(rc))
2037	pLeaf->uEcx = u32;
2038	else
2039	AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2040
2041	rc = CFGMR3QueryU32(pLeafNode, "edx", &u32);
2042	if (RT_SUCCESS(rc))
2043	pLeaf->uEdx = u32;
2044	else
2045	AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
2046
2047	}
2048	return VINF_SUCCESS;
2049	}
2050
2051
2052	/**
2053	* Load the overrides for a set of CPUID leaves.
2054	*
2055	* @returns VBox status code.
2056	* @param paLeaves The leaf array.
2057	* @param cLeaves The number of leaves.
2058	* @param uStart The start leaf number.
2059	* @param pCfgNode The CFGM node containing the overrides
2060	* (/CPUM/HostCPUID/ or /CPUM/CPUID/).
2061	*/
2062	static int cpumR3CpuIdInitLoadOverrideSet(uint32_t uStart, PCPUMCPUID paLeaves, uint32_t cLeaves, PCFGMNODE pCfgNode)
2063	{
2064	for (uint32_t i = 0; i < cLeaves; i++)
2065	{
2066	int rc = cpumR3CpuIdFetchLeafOverride(&paLeaves[i], pCfgNode, uStart + i);
2067	if (RT_FAILURE(rc))
2068	return rc;
2069	}
2070
2071	return VINF_SUCCESS;
2072	}
2073
2074
2075	/**
2076	* Installs the CPUID leaves and explods the data into structures like
2077	* GuestFeatures and CPUMCTX::aoffXState.
2078	*
2079	* @returns VBox status code.
2080	* @param pVM The cross context VM structure.
2081	* @param pCpum The CPUM part of @a VM.
2082	* @param paLeaves The leaves. These will be copied (but not freed).
2083	* @param cLeaves The number of leaves.
2084	*/
2085	static int cpumR3CpuIdInstallAndExplodeLeaves(PVM pVM, PCPUM pCpum, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
2086	{
2087	cpumR3CpuIdAssertOrder(paLeaves, cLeaves);
2088
2089	/*
2090	* Install the CPUID information.
2091	*/
2092	int rc = MMHyperDupMem(pVM, paLeaves, sizeof(paLeaves[0]) * cLeaves, 32,
2093	MM_TAG_CPUM_CPUID, (void **)&pCpum->GuestInfo.paCpuIdLeavesR3);
2094
2095	AssertLogRelRCReturn(rc, rc);
2096	pCpum->GuestInfo.cCpuIdLeaves = cLeaves;
2097	pCpum->GuestInfo.paCpuIdLeavesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2098	pCpum->GuestInfo.paCpuIdLeavesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paCpuIdLeavesR3);
2099	Assert(MMHyperR0ToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesR0) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2100	Assert(MMHyperRCToR3(pVM, pCpum->GuestInfo.paCpuIdLeavesRC) == (void *)pCpum->GuestInfo.paCpuIdLeavesR3);
2101
2102	/*
2103	* Update the default CPUID leaf if necessary.
2104	*/
2105	switch (pCpum->GuestInfo.enmUnknownCpuIdMethod)
2106	{
2107	case CPUMUNKNOWNCPUID_LAST_STD_LEAF:
2108	case CPUMUNKNOWNCPUID_LAST_STD_LEAF_WITH_ECX:
2109	{
2110	/* We don't use CPUID(0).eax here because of the NT hack that only
2111	changes that value without actually removing any leaves. */
2112	uint32_t i = 0;
2113	if ( pCpum->GuestInfo.cCpuIdLeaves > 0
2114	&& pCpum->GuestInfo.paCpuIdLeavesR3[0].uLeaf <= UINT32_C(0xff))
2115	{
2116	while ( i + 1 < pCpum->GuestInfo.cCpuIdLeaves
2117	&& pCpum->GuestInfo.paCpuIdLeavesR3[i + 1].uLeaf <= UINT32_C(0xff))
2118	i++;
2119	pCpum->GuestInfo.DefCpuId.uEax = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEax;
2120	pCpum->GuestInfo.DefCpuId.uEbx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEbx;
2121	pCpum->GuestInfo.DefCpuId.uEcx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEcx;
2122	pCpum->GuestInfo.DefCpuId.uEdx = pCpum->GuestInfo.paCpuIdLeavesR3[i].uEdx;
2123	}
2124	break;
2125	}
2126	default:
2127	break;
2128	}
2129
2130	/*
2131	* Explode the guest CPU features.
2132	*/
2133	rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
2134	AssertLogRelRCReturn(rc, rc);
2135
2136	/*
2137	* Adjust the scalable bus frequency according to the CPUID information
2138	* we're now using.
2139	*/
2140	if (CPUMMICROARCH_IS_INTEL_CORE7(pVM->cpum.s.GuestFeatures.enmMicroarch))
2141	pCpum->GuestInfo.uScalableBusFreq = pCpum->GuestFeatures.enmMicroarch >= kCpumMicroarch_Intel_Core7_SandyBridge
2142	? UINT64_C(100000000) /* 100MHz */
2143	: UINT64_C(133333333); /* 133MHz */
2144
2145	/*
2146	* Populate the legacy arrays. Currently used for everything, later only
2147	* for patch manager.
2148	*/
2149	struct { PCPUMCPUID paCpuIds; uint32_t cCpuIds, uBase; } aOldRanges[] =
2150	{
2151	{ pCpum->aGuestCpuIdPatmStd, RT_ELEMENTS(pCpum->aGuestCpuIdPatmStd), 0x00000000 },
2152	{ pCpum->aGuestCpuIdPatmExt, RT_ELEMENTS(pCpum->aGuestCpuIdPatmExt), 0x80000000 },
2153	{ pCpum->aGuestCpuIdPatmCentaur, RT_ELEMENTS(pCpum->aGuestCpuIdPatmCentaur), 0xc0000000 },
2154	};
2155	for (uint32_t i = 0; i < RT_ELEMENTS(aOldRanges); i++)
2156	{
2157	uint32_t cLeft = aOldRanges[i].cCpuIds;
2158	uint32_t uLeaf = aOldRanges[i].uBase + cLeft;
2159	PCPUMCPUID pLegacyLeaf = &aOldRanges[i].paCpuIds[cLeft];
2160	while (cLeft-- > 0)
2161	{
2162	uLeaf--;
2163	pLegacyLeaf--;
2164
2165	PCCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, 0 /* uSubLeaf */);
2166	if (pLeaf)
2167	{
2168	pLegacyLeaf->uEax = pLeaf->uEax;
2169	pLegacyLeaf->uEbx = pLeaf->uEbx;
2170	pLegacyLeaf->uEcx = pLeaf->uEcx;
2171	pLegacyLeaf->uEdx = pLeaf->uEdx;
2172	}
2173	else
2174	*pLegacyLeaf = pCpum->GuestInfo.DefCpuId;
2175	}
2176	}
2177
2178	/*
2179	* Configure XSAVE offsets according to the CPUID info.
2180	*/
2181	memset(&pVM->aCpus[0].cpum.s.Guest.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Guest.aoffXState));
2182	pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_X87_BIT] = 0;
2183	pVM->aCpus[0].cpum.s.Guest.aoffXState[XSAVE_C_SSE_BIT] = 0;
2184	for (uint32_t iComponent = XSAVE_C_SSE_BIT + 1; iComponent < 63; iComponent++)
2185	if (pCpum->fXStateGuestMask & RT_BIT_64(iComponent))
2186	{
2187	PCPUMCPUIDLEAF pSubLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0xd, iComponent);
2188	AssertLogRelMsgReturn(pSubLeaf, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2189	AssertLogRelMsgReturn(pSubLeaf->fSubLeafMask >= iComponent, ("iComponent=%#x\n", iComponent), VERR_CPUM_IPE_1);
2190	AssertLogRelMsgReturn( pSubLeaf->uEax > 0
2191	&& pSubLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
2192	&& pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState
2193	&& pSubLeaf->uEbx <= pCpum->GuestFeatures.cbMaxExtendedState
2194	&& pSubLeaf->uEbx + pSubLeaf->uEax <= pCpum->GuestFeatures.cbMaxExtendedState,
2195	("iComponent=%#x eax=%#x ebx=%#x cbMax=%#x\n", iComponent, pSubLeaf->uEax, pSubLeaf->uEbx,
2196	pCpum->GuestFeatures.cbMaxExtendedState),
2197	VERR_CPUM_IPE_1);
2198	pVM->aCpus[0].cpum.s.Guest.aoffXState[iComponent] = pSubLeaf->uEbx;
2199	}
2200	memset(&pVM->aCpus[0].cpum.s.Hyper.aoffXState[0], 0xff, sizeof(pVM->aCpus[0].cpum.s.Hyper.aoffXState));
2201
2202	/* Copy the CPU #0 data to the other CPUs. */
2203	for (VMCPUID iCpu = 1; iCpu < pVM->cCpus; iCpu++)
2204	{
2205	memcpy(&pVM->aCpus[iCpu].cpum.s.Guest.aoffXState[0], &pVM->aCpus[0].cpum.s.Guest.aoffXState[0],
2206	sizeof(pVM->aCpus[iCpu].cpum.s.Guest.aoffXState));
2207	memcpy(&pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState[0], &pVM->aCpus[0].cpum.s.Hyper.aoffXState[0],
2208	sizeof(pVM->aCpus[iCpu].cpum.s.Hyper.aoffXState));
2209	}
2210
2211	return VINF_SUCCESS;
2212	}
2213
2214
2215	/** @name Instruction Set Extension Options
2216	* @{ */
2217	/** Configuration option type (extended boolean, really). */
2218	typedef uint8_t CPUMISAEXTCFG;
2219	/** Always disable the extension. */
2220	#define CPUMISAEXTCFG_DISABLED false
2221	/** Enable the extension if it's supported by the host CPU. */
2222	#define CPUMISAEXTCFG_ENABLED_SUPPORTED true
2223	/** Enable the extension if it's supported by the host CPU, but don't let
2224	* the portable CPUID feature disable it. */
2225	#define CPUMISAEXTCFG_ENABLED_PORTABLE UINT8_C(127)
2226	/** Always enable the extension. */
2227	#define CPUMISAEXTCFG_ENABLED_ALWAYS UINT8_C(255)
2228	/** @} */
2229
2230	/**
2231	* CPUID Configuration (from CFGM).
2232	*
2233	* @remarks The members aren't document since we would only be duplicating the
2234	* \@cfgm entries in cpumR3CpuIdReadConfig.
2235	*/
2236	typedef struct CPUMCPUIDCONFIG
2237	{
2238	bool fNt4LeafLimit;
2239	bool fInvariantTsc;
2240	bool fForceVme;
2241
2242	CPUMISAEXTCFG enmCmpXchg16b;
2243	CPUMISAEXTCFG enmMonitor;
2244	CPUMISAEXTCFG enmMWaitExtensions;
2245	CPUMISAEXTCFG enmSse41;
2246	CPUMISAEXTCFG enmSse42;
2247	CPUMISAEXTCFG enmAvx;
2248	CPUMISAEXTCFG enmAvx2;
2249	CPUMISAEXTCFG enmXSave;
2250	CPUMISAEXTCFG enmAesNi;
2251	CPUMISAEXTCFG enmPClMul;
2252	CPUMISAEXTCFG enmPopCnt;
2253	CPUMISAEXTCFG enmMovBe;
2254	CPUMISAEXTCFG enmRdRand;
2255	CPUMISAEXTCFG enmRdSeed;
2256	CPUMISAEXTCFG enmCLFlushOpt;
2257
2258	CPUMISAEXTCFG enmAbm;
2259	CPUMISAEXTCFG enmSse4A;
2260	CPUMISAEXTCFG enmMisAlnSse;
2261	CPUMISAEXTCFG enm3dNowPrf;
2262	CPUMISAEXTCFG enmAmdExtMmx;
2263	CPUMISAEXTCFG enmSvm;
2264
2265	uint32_t uMaxStdLeaf;
2266	uint32_t uMaxExtLeaf;
2267	uint32_t uMaxCentaurLeaf;
2268	uint32_t uMaxIntelFamilyModelStep;
2269	char szCpuName[128];
2270	} CPUMCPUIDCONFIG;
2271	/** Pointer to CPUID config (from CFGM). */
2272	typedef CPUMCPUIDCONFIG *PCPUMCPUIDCONFIG;
2273
2274
2275	/**
2276	* Mini CPU selection support for making Mac OS X happy.
2277	*
2278	* Executes the /CPUM/MaxIntelFamilyModelStep config.
2279	*
2280	* @param pCpum The CPUM instance data.
2281	* @param pConfig The CPUID configuration we've read from CFGM.
2282	*/
2283	static void cpumR3CpuIdLimitIntelFamModStep(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2284	{
2285	if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2286	{
2287	PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2288	uint32_t uCurIntelFamilyModelStep = RT_MAKE_U32_FROM_U8(ASMGetCpuStepping(pStdFeatureLeaf->uEax),
2289	ASMGetCpuModelIntel(pStdFeatureLeaf->uEax),
2290	ASMGetCpuFamily(pStdFeatureLeaf->uEax),
2291	0);
2292	uint32_t uMaxIntelFamilyModelStep = pConfig->uMaxIntelFamilyModelStep;
2293	if (pConfig->uMaxIntelFamilyModelStep < uCurIntelFamilyModelStep)
2294	{
2295	uint32_t uNew = pStdFeatureLeaf->uEax & UINT32_C(0xf0003000);
2296	uNew \|= RT_BYTE1(uMaxIntelFamilyModelStep) & 0xf; /* stepping */
2297	uNew \|= (RT_BYTE2(uMaxIntelFamilyModelStep) & 0xf) << 4; /* 4 low model bits */
2298	uNew \|= (RT_BYTE2(uMaxIntelFamilyModelStep) >> 4) << 16; /* 4 high model bits */
2299	uNew \|= (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf) << 8; /* 4 low family bits */
2300	if (RT_BYTE3(uMaxIntelFamilyModelStep) > 0xf) /* 8 high family bits, using intel's suggested calculation. */
2301	uNew \|= ( (RT_BYTE3(uMaxIntelFamilyModelStep) - (RT_BYTE3(uMaxIntelFamilyModelStep) & 0xf)) & 0xff ) << 20;
2302	LogRel(("CPU: CPUID(0).EAX %#x -> %#x (uMaxIntelFamilyModelStep=%#x, uCurIntelFamilyModelStep=%#x\n",
2303	pStdFeatureLeaf->uEax, uNew, uMaxIntelFamilyModelStep, uCurIntelFamilyModelStep));
2304	pStdFeatureLeaf->uEax = uNew;
2305	}
2306	}
2307	}
2308
2309
2310
2311	/**
2312	* Limit it the number of entries, zapping the remainder.
2313	*
2314	* The limits are masking off stuff about power saving and similar, this
2315	* is perhaps a bit crudely done as there is probably some relatively harmless
2316	* info too in these leaves (like words about having a constant TSC).
2317	*
2318	* @param pCpum The CPUM instance data.
2319	* @param pConfig The CPUID configuration we've read from CFGM.
2320	*/
2321	static void cpumR3CpuIdLimitLeaves(PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2322	{
2323	/*
2324	* Standard leaves.
2325	*/
2326	uint32_t uSubLeaf = 0;
2327	PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0, uSubLeaf);
2328	if (pCurLeaf)
2329	{
2330	uint32_t uLimit = pCurLeaf->uEax;
2331	if (uLimit <= UINT32_C(0x000fffff))
2332	{
2333	if (uLimit > pConfig->uMaxStdLeaf)
2334	{
2335	pCurLeaf->uEax = uLimit = pConfig->uMaxStdLeaf;
2336	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2337	uLimit + 1, UINT32_C(0x000fffff));
2338	}
2339
2340	/* NT4 hack, no zapping of extra leaves here. */
2341	if (pConfig->fNt4LeafLimit && uLimit > 3)
2342	pCurLeaf->uEax = uLimit = 3;
2343
2344	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x00000000), ++uSubLeaf)) != NULL)
2345	pCurLeaf->uEax = uLimit;
2346	}
2347	else
2348	{
2349	LogRel(("CPUID: Invalid standard range: %#x\n", uLimit));
2350	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2351	UINT32_C(0x00000000), UINT32_C(0x0fffffff));
2352	}
2353	}
2354
2355	/*
2356	* Extended leaves.
2357	*/
2358	uSubLeaf = 0;
2359	pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), uSubLeaf);
2360	if (pCurLeaf)
2361	{
2362	uint32_t uLimit = pCurLeaf->uEax;
2363	if ( uLimit >= UINT32_C(0x80000000)
2364	&& uLimit <= UINT32_C(0x800fffff))
2365	{
2366	if (uLimit > pConfig->uMaxExtLeaf)
2367	{
2368	pCurLeaf->uEax = uLimit = pConfig->uMaxExtLeaf;
2369	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2370	uLimit + 1, UINT32_C(0x800fffff));
2371	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000000), ++uSubLeaf)) != NULL)
2372	pCurLeaf->uEax = uLimit;
2373	}
2374	}
2375	else
2376	{
2377	LogRel(("CPUID: Invalid extended range: %#x\n", uLimit));
2378	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2379	UINT32_C(0x80000000), UINT32_C(0x8ffffffd));
2380	}
2381	}
2382
2383	/*
2384	* Centaur leaves (VIA).
2385	*/
2386	uSubLeaf = 0;
2387	pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), uSubLeaf);
2388	if (pCurLeaf)
2389	{
2390	uint32_t uLimit = pCurLeaf->uEax;
2391	if ( uLimit >= UINT32_C(0xc0000000)
2392	&& uLimit <= UINT32_C(0xc00fffff))
2393	{
2394	if (uLimit > pConfig->uMaxCentaurLeaf)
2395	{
2396	pCurLeaf->uEax = uLimit = pConfig->uMaxCentaurLeaf;
2397	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2398	uLimit + 1, UINT32_C(0xcfffffff));
2399	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000000), ++uSubLeaf)) != NULL)
2400	pCurLeaf->uEax = uLimit;
2401	}
2402	}
2403	else
2404	{
2405	LogRel(("CPUID: Invalid centaur range: %#x\n", uLimit));
2406	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
2407	UINT32_C(0xc0000000), UINT32_C(0xcfffffff));
2408	}
2409	}
2410	}
2411
2412
2413	/**
2414	* Clears a CPUID leaf and all sub-leaves (to zero).
2415	*
2416	* @param pCpum The CPUM instance data.
2417	* @param uLeaf The leaf to clear.
2418	*/
2419	static void cpumR3CpuIdZeroLeaf(PCPUM pCpum, uint32_t uLeaf)
2420	{
2421	uint32_t uSubLeaf = 0;
2422	PCPUMCPUIDLEAF pCurLeaf;
2423	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, uLeaf, uSubLeaf)) != NULL)
2424	{
2425	pCurLeaf->uEax = 0;
2426	pCurLeaf->uEbx = 0;
2427	pCurLeaf->uEcx = 0;
2428	pCurLeaf->uEdx = 0;
2429	uSubLeaf++;
2430	}
2431	}
2432
2433
2434	/**
2435	* Used by cpumR3CpuIdSanitize to ensure that we don't have any sub-leaves for
2436	* the given leaf.
2437	*
2438	* @returns pLeaf.
2439	* @param pCpum The CPUM instance data.
2440	* @param pLeaf The leaf to ensure is alone with it's EAX input value.
2441	*/
2442	static PCPUMCPUIDLEAF cpumR3CpuIdMakeSingleLeaf(PCPUM pCpum, PCPUMCPUIDLEAF pLeaf)
2443	{
2444	Assert((uintptr_t)(pLeaf - pCpum->GuestInfo.paCpuIdLeavesR3) < pCpum->GuestInfo.cCpuIdLeaves);
2445	if (pLeaf->fSubLeafMask != 0)
2446	{
2447	/*
2448	* Figure out how many sub-leaves in need of removal (we'll keep the first).
2449	* Log everything while we're at it.
2450	*/
2451	LogRel(("CPUM:\n"
2452	"CPUM: Unexpected CPUID sub-leaves for leaf %#x; fSubLeafMask=%#x\n", pLeaf->uLeaf, pLeaf->fSubLeafMask));
2453	PCPUMCPUIDLEAF pLast = &pCpum->GuestInfo.paCpuIdLeavesR3[pCpum->GuestInfo.cCpuIdLeaves - 1];
2454	PCPUMCPUIDLEAF pSubLeaf = pLeaf;
2455	for (;;)
2456	{
2457	LogRel(("CPUM: %08x/%08x: %08x %08x %08x %08x; flags=%#x mask=%#x\n",
2458	pSubLeaf->uLeaf, pSubLeaf->uSubLeaf,
2459	pSubLeaf->uEax, pSubLeaf->uEbx, pSubLeaf->uEcx, pSubLeaf->uEdx,
2460	pSubLeaf->fFlags, pSubLeaf->fSubLeafMask));
2461	if (pSubLeaf == pLast \|\| pSubLeaf[1].uLeaf != pLeaf->uLeaf)
2462	break;
2463	pSubLeaf++;
2464	}
2465	LogRel(("CPUM:\n"));
2466
2467	/*
2468	* Remove the offending sub-leaves.
2469	*/
2470	if (pSubLeaf != pLeaf)
2471	{
2472	if (pSubLeaf != pLast)
2473	memmove(pLeaf + 1, pSubLeaf + 1, (uintptr_t)pLast - (uintptr_t)pSubLeaf);
2474	pCpum->GuestInfo.cCpuIdLeaves -= (uint32_t)(pSubLeaf - pLeaf);
2475	}
2476
2477	/*
2478	* Convert the first sub-leaf into a single leaf.
2479	*/
2480	pLeaf->uSubLeaf = 0;
2481	pLeaf->fSubLeafMask = 0;
2482	}
2483	return pLeaf;
2484	}
2485
2486
2487	/**
2488	* Sanitizes and adjust the CPUID leaves.
2489	*
2490	* Drop features that aren't virtualized (or virtualizable). Adjust information
2491	* and capabilities to fit the virtualized hardware. Remove information the
2492	* guest shouldn't have (because it's wrong in the virtual world or because it
2493	* gives away host details) or that we don't have documentation for and no idea
2494	* what means.
2495	*
2496	* @returns VBox status code.
2497	* @param pVM The cross context VM structure (for cCpus).
2498	* @param pCpum The CPUM instance data.
2499	* @param pConfig The CPUID configuration we've read from CFGM.
2500	*/
2501	static int cpumR3CpuIdSanitize(PVM pVM, PCPUM pCpum, PCPUMCPUIDCONFIG pConfig)
2502	{
2503	#define PORTABLE_CLEAR_BITS_WHEN(Lvl, a_pLeafReg, FeatNm, fMask, uValue) \
2504	if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fMask)) == (uValue) ) \
2505	{ \
2506	LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: %#x -> 0\n", (a_pLeafReg) & (fMask))); \
2507	(a_pLeafReg) &= ~(uint32_t)(fMask); \
2508	}
2509	#define PORTABLE_DISABLE_FEATURE_BIT(Lvl, a_pLeafReg, FeatNm, fBitMask) \
2510	if ( pCpum->u8PortableCpuIdLevel >= (Lvl) && ((a_pLeafReg) & (fBitMask)) ) \
2511	{ \
2512	LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2513	(a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2514	}
2515	#define PORTABLE_DISABLE_FEATURE_BIT_CFG(Lvl, a_pLeafReg, FeatNm, fBitMask, enmConfig) \
2516	if ( pCpum->u8PortableCpuIdLevel >= (Lvl) \
2517	&& ((a_pLeafReg) & (fBitMask)) \
2518	&& (enmConfig) != CPUMISAEXTCFG_ENABLED_PORTABLE ) \
2519	{ \
2520	LogRel(("PortableCpuId: " #a_pLeafReg "[" #FeatNm "]: 1 -> 0\n")); \
2521	(a_pLeafReg) &= ~(uint32_t)(fBitMask); \
2522	}
2523	Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_INVALID);
2524
2525	/* Cpuid 1:
2526	* EAX: CPU model, family and stepping.
2527	*
2528	* ECX + EDX: Supported features. Only report features we can support.
2529	* Note! When enabling new features the Synthetic CPU and Portable CPUID
2530	* options may require adjusting (i.e. stripping what was enabled).
2531	*
2532	* EBX: Branding, CLFLUSH line size, logical processors per package and
2533	* initial APIC ID.
2534	*/
2535	PCPUMCPUIDLEAF pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0); /* Note! Must refetch when used later. */
2536	AssertLogRelReturn(pStdFeatureLeaf, VERR_CPUM_IPE_2);
2537	pStdFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pStdFeatureLeaf);
2538
2539	pStdFeatureLeaf->uEdx &= X86_CPUID_FEATURE_EDX_FPU
2540	\| X86_CPUID_FEATURE_EDX_VME
2541	\| X86_CPUID_FEATURE_EDX_DE
2542	\| X86_CPUID_FEATURE_EDX_PSE
2543	\| X86_CPUID_FEATURE_EDX_TSC
2544	\| X86_CPUID_FEATURE_EDX_MSR
2545	//\| X86_CPUID_FEATURE_EDX_PAE - set later if configured.
2546	\| X86_CPUID_FEATURE_EDX_MCE
2547	\| X86_CPUID_FEATURE_EDX_CX8
2548	//\| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
2549	//\| RT_BIT_32(10) - not defined
2550	/* 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}) */
2551	//\| X86_CPUID_FEATURE_EDX_SEP
2552	\| X86_CPUID_FEATURE_EDX_MTRR
2553	\| X86_CPUID_FEATURE_EDX_PGE
2554	\| X86_CPUID_FEATURE_EDX_MCA
2555	\| X86_CPUID_FEATURE_EDX_CMOV
2556	\| X86_CPUID_FEATURE_EDX_PAT /* 16 */
2557	\| X86_CPUID_FEATURE_EDX_PSE36
2558	//\| X86_CPUID_FEATURE_EDX_PSN - no serial number.
2559	\| X86_CPUID_FEATURE_EDX_CLFSH
2560	//\| RT_BIT_32(20) - not defined
2561	//\| X86_CPUID_FEATURE_EDX_DS - no debug store.
2562	//\| X86_CPUID_FEATURE_EDX_ACPI - not supported (not DevAcpi, right?).
2563	\| X86_CPUID_FEATURE_EDX_MMX
2564	\| X86_CPUID_FEATURE_EDX_FXSR
2565	\| X86_CPUID_FEATURE_EDX_SSE
2566	\| X86_CPUID_FEATURE_EDX_SSE2
2567	//\| X86_CPUID_FEATURE_EDX_SS - no self snoop.
2568	//\| X86_CPUID_FEATURE_EDX_HTT - no hyperthreading/cores - see below.
2569	//\| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
2570	//\| RT_BIT_32(30) - not defined
2571	//\| X86_CPUID_FEATURE_EDX_PBE - no pending break enabled.
2572	;
2573	pStdFeatureLeaf->uEcx &= 0
2574	\| X86_CPUID_FEATURE_ECX_SSE3
2575	\| (pConfig->enmPClMul ? X86_CPUID_FEATURE_ECX_PCLMUL : 0)
2576	//\| X86_CPUID_FEATURE_ECX_DTES64 - not implemented yet.
2577	/* Can't properly emulate monitor & mwait with guest SMP; force the guest to use hlt for idling VCPUs. */
2578	\| ((pConfig->enmMonitor && pVM->cCpus == 1) ? X86_CPUID_FEATURE_ECX_MONITOR : 0)
2579	//\| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
2580	//\| X86_CPUID_FEATURE_ECX_VMX - not virtualized yet.
2581	//\| X86_CPUID_FEATURE_ECX_SMX - not virtualized yet.
2582	//\| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
2583	//\| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
2584	\| X86_CPUID_FEATURE_ECX_SSSE3
2585	//\| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
2586	//\| X86_CPUID_FEATURE_ECX_FMA - not implemented yet.
2587	\| (pConfig->enmCmpXchg16b ? X86_CPUID_FEATURE_ECX_CX16 : 0)
2588	/* ECX Bit 14 - xTPR Update Control. Processor supports changing IA32_MISC_ENABLES[bit 23]. */
2589	//\| X86_CPUID_FEATURE_ECX_TPRUPDATE
2590	//\| X86_CPUID_FEATURE_ECX_PDCM - not implemented yet.
2591	//\| X86_CPUID_FEATURE_ECX_PCID - not implemented yet.
2592	//\| X86_CPUID_FEATURE_ECX_DCA - not implemented yet.
2593	\| (pConfig->enmSse41 ? X86_CPUID_FEATURE_ECX_SSE4_1 : 0)
2594	\| (pConfig->enmSse42 ? X86_CPUID_FEATURE_ECX_SSE4_2 : 0)
2595	//\| X86_CPUID_FEATURE_ECX_X2APIC - turned on later by the device if enabled.
2596	\| (pConfig->enmMovBe ? X86_CPUID_FEATURE_ECX_MOVBE : 0)
2597	\| (pConfig->enmPopCnt ? X86_CPUID_FEATURE_ECX_POPCNT : 0)
2598	//\| X86_CPUID_FEATURE_ECX_TSCDEADL - not implemented yet.
2599	\| (pConfig->enmAesNi ? X86_CPUID_FEATURE_ECX_AES : 0)
2600	\| (pConfig->enmXSave ? X86_CPUID_FEATURE_ECX_XSAVE : 0 )
2601	//\| X86_CPUID_FEATURE_ECX_OSXSAVE - mirrors CR4.OSXSAVE state, set dynamically.
2602	\| (pConfig->enmAvx ? X86_CPUID_FEATURE_ECX_AVX : 0)
2603	//\| X86_CPUID_FEATURE_ECX_F16C - not implemented yet.
2604	\| (pConfig->enmRdRand ? X86_CPUID_FEATURE_ECX_RDRAND : 0)
2605	//\| X86_CPUID_FEATURE_ECX_HVP - Set explicitly later.
2606	;
2607
2608	if (pCpum->u8PortableCpuIdLevel > 0)
2609	{
2610	PORTABLE_CLEAR_BITS_WHEN(1, pStdFeatureLeaf->uEax, ProcessorType, (UINT32_C(3) << 12), (UINT32_C(2) << 12));
2611	PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, SSSE3, X86_CPUID_FEATURE_ECX_SSSE3);
2612	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_1, X86_CPUID_FEATURE_ECX_SSE4_1, pConfig->enmSse41);
2613	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, SSE4_2, X86_CPUID_FEATURE_ECX_SSE4_2, pConfig->enmSse42);
2614	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, MOVBE, X86_CPUID_FEATURE_ECX_MOVBE, pConfig->enmMovBe);
2615	PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, AES, X86_CPUID_FEATURE_ECX_AES);
2616	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, PCLMUL, X86_CPUID_FEATURE_ECX_PCLMUL, pConfig->enmPClMul);
2617	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, POPCNT, X86_CPUID_FEATURE_ECX_POPCNT, pConfig->enmPopCnt);
2618	PORTABLE_DISABLE_FEATURE_BIT( 1, pStdFeatureLeaf->uEcx, F16C, X86_CPUID_FEATURE_ECX_F16C);
2619	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, XSAVE, X86_CPUID_FEATURE_ECX_XSAVE, pConfig->enmXSave);
2620	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, AVX, X86_CPUID_FEATURE_ECX_AVX, pConfig->enmAvx);
2621	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, RDRAND, X86_CPUID_FEATURE_ECX_RDRAND, pConfig->enmRdRand);
2622	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pStdFeatureLeaf->uEcx, CX16, X86_CPUID_FEATURE_ECX_CX16, pConfig->enmCmpXchg16b);
2623	PORTABLE_DISABLE_FEATURE_BIT( 2, pStdFeatureLeaf->uEcx, SSE3, X86_CPUID_FEATURE_ECX_SSE3);
2624	PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE2, X86_CPUID_FEATURE_EDX_SSE2);
2625	PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, SSE, X86_CPUID_FEATURE_EDX_SSE);
2626	PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CLFSH, X86_CPUID_FEATURE_EDX_CLFSH);
2627	PORTABLE_DISABLE_FEATURE_BIT( 3, pStdFeatureLeaf->uEdx, CMOV, X86_CPUID_FEATURE_EDX_CMOV);
2628
2629	Assert(!(pStdFeatureLeaf->uEdx & ( X86_CPUID_FEATURE_EDX_SEP
2630	\| X86_CPUID_FEATURE_EDX_PSN
2631	\| X86_CPUID_FEATURE_EDX_DS
2632	\| X86_CPUID_FEATURE_EDX_ACPI
2633	\| X86_CPUID_FEATURE_EDX_SS
2634	\| X86_CPUID_FEATURE_EDX_TM
2635	\| X86_CPUID_FEATURE_EDX_PBE
2636	)));
2637	Assert(!(pStdFeatureLeaf->uEcx & ( X86_CPUID_FEATURE_ECX_DTES64
2638	\| X86_CPUID_FEATURE_ECX_CPLDS
2639	\| X86_CPUID_FEATURE_ECX_VMX
2640	\| X86_CPUID_FEATURE_ECX_SMX
2641	\| X86_CPUID_FEATURE_ECX_EST
2642	\| X86_CPUID_FEATURE_ECX_TM2
2643	\| X86_CPUID_FEATURE_ECX_CNTXID
2644	\| X86_CPUID_FEATURE_ECX_FMA
2645	\| X86_CPUID_FEATURE_ECX_TPRUPDATE
2646	\| X86_CPUID_FEATURE_ECX_PDCM
2647	\| X86_CPUID_FEATURE_ECX_DCA
2648	\| X86_CPUID_FEATURE_ECX_OSXSAVE
2649	)));
2650	}
2651
2652	/* Set up APIC ID for CPU 0, configure multi core/threaded smp. */
2653	pStdFeatureLeaf->uEbx &= UINT32_C(0x0000ffff); /* (APIC-ID := 0 and #LogCpus := 0) */
2654	#ifdef VBOX_WITH_MULTI_CORE
2655	if (pVM->cCpus > 1)
2656	{
2657	/* If CPUID Fn0000_0001_EDX[HTT] = 1 then LogicalProcessorCount is the number of threads per CPU
2658	core times the number of CPU cores per processor */
2659	pStdFeatureLeaf->uEbx \|= pVM->cCpus <= 0xff ? (pVM->cCpus << 16) : UINT32_C(0x00ff0000);
2660	pStdFeatureLeaf->uEdx \|= X86_CPUID_FEATURE_EDX_HTT; /* necessary for hyper-threading or multi-core CPUs */
2661	}
2662	#endif
2663
2664	uint32_t uMicrocodeRev;
2665	int rc = SUPR3QueryMicrocodeRev(&uMicrocodeRev);
2666	if (RT_SUCCESS(rc))
2667	{
2668	LogRel(("CPUM: Microcode revision 0x%08X\n", uMicrocodeRev));
2669	}
2670	else
2671	{
2672	uMicrocodeRev = 0;
2673	LogRel(("CPUM: Failed to query microcode revision. rc=%Rrc\n", rc));
2674	}
2675
2676	/* Mask out the VME capability on certain CPUs, unless overridden by fForceVme.
2677	* VME bug was fixed in AGESA 1.0.0.6, microcode patch level 8001126.
2678	*/
2679	if ( (pVM->cpum.s.GuestFeatures.enmMicroarch == kCpumMicroarch_AMD_Zen_Ryzen)
2680	&& uMicrocodeRev < 0x8001126
2681	&& !pConfig->fForceVme)
2682	{
2683	/** @todo The above is a very coarse test but at the moment we don't know any better (see @bugref{8852}). */
2684	LogRel(("CPUM: Zen VME workaround engaged\n"));
2685	pStdFeatureLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_VME;
2686	}
2687
2688	/* Force standard feature bits. */
2689	if (pConfig->enmPClMul == CPUMISAEXTCFG_ENABLED_ALWAYS)
2690	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_PCLMUL;
2691	if (pConfig->enmMonitor == CPUMISAEXTCFG_ENABLED_ALWAYS)
2692	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_MONITOR;
2693	if (pConfig->enmCmpXchg16b == CPUMISAEXTCFG_ENABLED_ALWAYS)
2694	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_CX16;
2695	if (pConfig->enmSse41 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2696	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_SSE4_1;
2697	if (pConfig->enmSse42 == CPUMISAEXTCFG_ENABLED_ALWAYS)
2698	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_SSE4_2;
2699	if (pConfig->enmMovBe == CPUMISAEXTCFG_ENABLED_ALWAYS)
2700	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_MOVBE;
2701	if (pConfig->enmPopCnt == CPUMISAEXTCFG_ENABLED_ALWAYS)
2702	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_POPCNT;
2703	if (pConfig->enmAesNi == CPUMISAEXTCFG_ENABLED_ALWAYS)
2704	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_AES;
2705	if (pConfig->enmXSave == CPUMISAEXTCFG_ENABLED_ALWAYS)
2706	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_XSAVE;
2707	if (pConfig->enmAvx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2708	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_AVX;
2709	if (pConfig->enmRdRand == CPUMISAEXTCFG_ENABLED_ALWAYS)
2710	pStdFeatureLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_RDRAND;
2711
2712	pStdFeatureLeaf = NULL; /* Must refetch! */
2713
2714	/* Cpuid 0x80000001: (Similar, but in no way identical to 0x00000001.)
2715	* AMD:
2716	* EAX: CPU model, family and stepping.
2717	*
2718	* ECX + EDX: Supported features. Only report features we can support.
2719	* Note! When enabling new features the Synthetic CPU and Portable CPUID
2720	* options may require adjusting (i.e. stripping what was enabled).
2721	* ASSUMES that this is ALWAYS the AMD defined feature set if present.
2722	*
2723	* EBX: Branding ID and package type (or reserved).
2724	*
2725	* Intel and probably most others:
2726	* EAX: 0
2727	* EBX: 0
2728	* ECX + EDX: Subset of AMD features, mainly for AMD64 support.
2729	*/
2730	PCPUMCPUIDLEAF pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
2731	if (pExtFeatureLeaf)
2732	{
2733	pExtFeatureLeaf = cpumR3CpuIdMakeSingleLeaf(pCpum, pExtFeatureLeaf);
2734
2735	pExtFeatureLeaf->uEdx &= X86_CPUID_AMD_FEATURE_EDX_FPU
2736	\| X86_CPUID_AMD_FEATURE_EDX_VME
2737	\| X86_CPUID_AMD_FEATURE_EDX_DE
2738	\| X86_CPUID_AMD_FEATURE_EDX_PSE
2739	\| X86_CPUID_AMD_FEATURE_EDX_TSC
2740	\| X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
2741	//\| X86_CPUID_AMD_FEATURE_EDX_PAE - turned on when necessary
2742	//\| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
2743	\| X86_CPUID_AMD_FEATURE_EDX_CX8
2744	//\| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
2745	//\| RT_BIT_32(10) - reserved
2746	/* Note! We don't report sysenter/sysexit support due to our inability to keep the IOPL part of
2747	eflags in sync while in ring 1 (see @bugref{1757}). HM enables them later. */
2748	//\| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2749	\| X86_CPUID_AMD_FEATURE_EDX_MTRR
2750	\| X86_CPUID_AMD_FEATURE_EDX_PGE
2751	\| X86_CPUID_AMD_FEATURE_EDX_MCA
2752	\| X86_CPUID_AMD_FEATURE_EDX_CMOV
2753	\| X86_CPUID_AMD_FEATURE_EDX_PAT
2754	\| X86_CPUID_AMD_FEATURE_EDX_PSE36
2755	//\| RT_BIT_32(18) - reserved
2756	//\| RT_BIT_32(19) - reserved
2757	//\| X86_CPUID_EXT_FEATURE_EDX_NX - enabled later by PGM
2758	//\| RT_BIT_32(21) - reserved
2759	\| (pConfig->enmAmdExtMmx ? X86_CPUID_AMD_FEATURE_EDX_AXMMX : 0)
2760	\| X86_CPUID_AMD_FEATURE_EDX_MMX
2761	\| X86_CPUID_AMD_FEATURE_EDX_FXSR
2762	\| X86_CPUID_AMD_FEATURE_EDX_FFXSR
2763	//\| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2764	\| X86_CPUID_EXT_FEATURE_EDX_RDTSCP
2765	//\| RT_BIT_32(28) - reserved
2766	//\| X86_CPUID_EXT_FEATURE_EDX_LONG_MODE - turned on when necessary
2767	\| X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
2768	\| X86_CPUID_AMD_FEATURE_EDX_3DNOW
2769	;
2770	pExtFeatureLeaf->uEcx &= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF
2771	//\| X86_CPUID_AMD_FEATURE_ECX_CMPL - set below if applicable.
2772	\| (pConfig->enmSvm ? X86_CPUID_AMD_FEATURE_ECX_SVM : 0)
2773	//\| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2774	/* Note: This could prevent teleporting from AMD to Intel CPUs! */
2775	\| X86_CPUID_AMD_FEATURE_ECX_CR8L /* expose lock mov cr0 = mov cr8 hack for guests that can use this feature to access the TPR. */
2776	\| (pConfig->enmAbm ? X86_CPUID_AMD_FEATURE_ECX_ABM : 0)
2777	\| (pConfig->enmSse4A ? X86_CPUID_AMD_FEATURE_ECX_SSE4A : 0)
2778	\| (pConfig->enmMisAlnSse ? X86_CPUID_AMD_FEATURE_ECX_MISALNSSE : 0)
2779	\| (pConfig->enm3dNowPrf ? X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF : 0)
2780	//\| X86_CPUID_AMD_FEATURE_ECX_OSVW
2781	//\| X86_CPUID_AMD_FEATURE_ECX_IBS
2782	//\| X86_CPUID_AMD_FEATURE_ECX_XOP
2783	//\| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2784	//\| X86_CPUID_AMD_FEATURE_ECX_WDT
2785	//\| RT_BIT_32(14) - reserved
2786	//\| X86_CPUID_AMD_FEATURE_ECX_LWP - not supported
2787	//\| X86_CPUID_AMD_FEATURE_ECX_FMA4 - not yet virtualized.
2788	//\| RT_BIT_32(17) - reserved
2789	//\| RT_BIT_32(18) - reserved
2790	//\| X86_CPUID_AMD_FEATURE_ECX_NODEID - not yet virtualized.
2791	//\| RT_BIT_32(20) - reserved
2792	//\| X86_CPUID_AMD_FEATURE_ECX_TBM - not yet virtualized.
2793	//\| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT - not yet virtualized.
2794	//\| RT_BIT_32(23) - reserved
2795	//\| RT_BIT_32(24) - reserved
2796	//\| RT_BIT_32(25) - reserved
2797	//\| RT_BIT_32(26) - reserved
2798	//\| RT_BIT_32(27) - reserved
2799	//\| RT_BIT_32(28) - reserved
2800	//\| RT_BIT_32(29) - reserved
2801	//\| RT_BIT_32(30) - reserved
2802	//\| RT_BIT_32(31) - reserved
2803	;
2804	#ifdef VBOX_WITH_MULTI_CORE
2805	if ( pVM->cCpus > 1
2806	&& pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
2807	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_CMPL; /* CmpLegacy */
2808	#endif
2809
2810	if (pCpum->u8PortableCpuIdLevel > 0)
2811	{
2812	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, CR8L, X86_CPUID_AMD_FEATURE_ECX_CR8L);
2813	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SVM, X86_CPUID_AMD_FEATURE_ECX_SVM, pConfig->enmSvm);
2814	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, ABM, X86_CPUID_AMD_FEATURE_ECX_ABM, pConfig->enmAbm);
2815	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, SSE4A, X86_CPUID_AMD_FEATURE_ECX_SSE4A, pConfig->enmSse4A);
2816	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, MISALNSSE, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE, pConfig->enmMisAlnSse);
2817	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEcx, 3DNOWPRF, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF, pConfig->enm3dNowPrf);
2818	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, XOP, X86_CPUID_AMD_FEATURE_ECX_XOP);
2819	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, TBM, X86_CPUID_AMD_FEATURE_ECX_TBM);
2820	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEcx, FMA4, X86_CPUID_AMD_FEATURE_ECX_FMA4);
2821	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pExtFeatureLeaf->uEdx, AXMMX, X86_CPUID_AMD_FEATURE_EDX_AXMMX, pConfig->enmAmdExtMmx);
2822	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
2823	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, 3DNOW_EX, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
2824	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, FFXSR, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
2825	PORTABLE_DISABLE_FEATURE_BIT( 1, pExtFeatureLeaf->uEdx, RDTSCP, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
2826	PORTABLE_DISABLE_FEATURE_BIT( 2, pExtFeatureLeaf->uEcx, LAHF_SAHF, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
2827	PORTABLE_DISABLE_FEATURE_BIT( 3, pExtFeatureLeaf->uEcx, CMOV, X86_CPUID_AMD_FEATURE_EDX_CMOV);
2828
2829	Assert(!(pExtFeatureLeaf->uEcx & ( X86_CPUID_AMD_FEATURE_ECX_SVM
2830	\| X86_CPUID_AMD_FEATURE_ECX_EXT_APIC
2831	\| X86_CPUID_AMD_FEATURE_ECX_OSVW
2832	\| X86_CPUID_AMD_FEATURE_ECX_IBS
2833	\| X86_CPUID_AMD_FEATURE_ECX_SKINIT
2834	\| X86_CPUID_AMD_FEATURE_ECX_WDT
2835	\| X86_CPUID_AMD_FEATURE_ECX_LWP
2836	\| X86_CPUID_AMD_FEATURE_ECX_NODEID
2837	\| X86_CPUID_AMD_FEATURE_ECX_TOPOEXT
2838	\| UINT32_C(0xff964000)
2839	)));
2840	Assert(!(pExtFeatureLeaf->uEdx & ( RT_BIT(10)
2841	\| X86_CPUID_EXT_FEATURE_EDX_SYSCALL
2842	\| RT_BIT(18)
2843	\| RT_BIT(19)
2844	\| RT_BIT(21)
2845	\| X86_CPUID_AMD_FEATURE_EDX_AXMMX
2846	\| X86_CPUID_EXT_FEATURE_EDX_PAGE1GB
2847	\| RT_BIT(28)
2848	)));
2849	}
2850
2851	/* Force extended feature bits. */
2852	if (pConfig->enmAbm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2853	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_ABM;
2854	if (pConfig->enmSse4A == CPUMISAEXTCFG_ENABLED_ALWAYS)
2855	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_SSE4A;
2856	if (pConfig->enmSvm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2857	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_SVM;
2858	if (pConfig->enmMisAlnSse == CPUMISAEXTCFG_ENABLED_ALWAYS)
2859	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_MISALNSSE;
2860	if (pConfig->enm3dNowPrf == CPUMISAEXTCFG_ENABLED_ALWAYS)
2861	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF;
2862	if (pConfig->enmAmdExtMmx == CPUMISAEXTCFG_ENABLED_ALWAYS)
2863	pExtFeatureLeaf->uEdx \|= X86_CPUID_AMD_FEATURE_EDX_AXMMX;
2864	if (pConfig->enmSvm == CPUMISAEXTCFG_ENABLED_ALWAYS)
2865	pExtFeatureLeaf->uEcx \|= X86_CPUID_AMD_FEATURE_ECX_SVM;
2866	}
2867	pExtFeatureLeaf = NULL; /* Must refetch! */
2868
2869
2870	/* Cpuid 2:
2871	* Intel: (Nondeterministic) Cache and TLB information
2872	* AMD: Reserved
2873	* VIA: Reserved
2874	* Safe to expose.
2875	*/
2876	uint32_t uSubLeaf = 0;
2877	PCPUMCPUIDLEAF pCurLeaf;
2878	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 2, uSubLeaf)) != NULL)
2879	{
2880	if ((pCurLeaf->uEax & 0xff) > 1)
2881	{
2882	LogRel(("CpuId: Std[2].al: %d -> 1\n", pCurLeaf->uEax & 0xff));
2883	pCurLeaf->uEax &= UINT32_C(0xffffff01);
2884	}
2885	uSubLeaf++;
2886	}
2887
2888	/* Cpuid 3:
2889	* Intel: EAX, EBX - reserved (transmeta uses these)
2890	* ECX, EDX - Processor Serial Number if available, otherwise reserved
2891	* AMD: Reserved
2892	* VIA: Reserved
2893	* Safe to expose
2894	*/
2895	pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2896	if (!(pStdFeatureLeaf->uEdx & X86_CPUID_FEATURE_EDX_PSN))
2897	{
2898	uSubLeaf = 0;
2899	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 3, uSubLeaf)) != NULL)
2900	{
2901	pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2902	if (pCpum->u8PortableCpuIdLevel > 0)
2903	pCurLeaf->uEax = pCurLeaf->uEbx = 0;
2904	uSubLeaf++;
2905	}
2906	}
2907
2908	/* Cpuid 4 + ECX:
2909	* Intel: Deterministic Cache Parameters Leaf.
2910	* AMD: Reserved
2911	* VIA: Reserved
2912	* Safe to expose, except for EAX:
2913	* Bits 25-14: Maximum number of addressable IDs for logical processors sharing this cache (see note)**
2914	* Bits 31-26: Maximum number of processor cores in this physical package**
2915	* Note: These SMP values are constant regardless of ECX
2916	*/
2917	uSubLeaf = 0;
2918	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 4, uSubLeaf)) != NULL)
2919	{
2920	pCurLeaf->uEax &= UINT32_C(0x00003fff); /* Clear the #maxcores, #threads-sharing-cache (both are #-1).*/
2921	#ifdef VBOX_WITH_MULTI_CORE
2922	if ( pVM->cCpus > 1
2923	&& pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_INTEL)
2924	{
2925	AssertReturn(pVM->cCpus <= 64, VERR_TOO_MANY_CPUS);
2926	/* One logical processor with possibly multiple cores. */
2927	/* See http://www.intel.com/Assets/PDF/appnote/241618.pdf p. 29 */
2928	pCurLeaf->uEax \|= pVM->cCpus <= 0x40 ? ((pVM->cCpus - 1) << 26) : UINT32_C(0xfc000000); /* 6 bits only -> 64 cores! */
2929	}
2930	#endif
2931	uSubLeaf++;
2932	}
2933
2934	/* Cpuid 5: Monitor/mwait Leaf
2935	* Intel: ECX, EDX - reserved
2936	* EAX, EBX - Smallest and largest monitor line size
2937	* AMD: EDX - reserved
2938	* EAX, EBX - Smallest and largest monitor line size
2939	* ECX - extensions (ignored for now)
2940	* VIA: Reserved
2941	* Safe to expose
2942	*/
2943	uSubLeaf = 0;
2944	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 5, uSubLeaf)) != NULL)
2945	{
2946	pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
2947	if (!(pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR))
2948	pCurLeaf->uEax = pCurLeaf->uEbx = 0;
2949
2950	pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2951	if (pConfig->enmMWaitExtensions)
2952	{
2953	pCurLeaf->uEcx = X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
2954	/** @todo for now we just expose host's MWAIT C-states, although conceptually
2955	it shall be part of our power management virtualization model */
2956	#if 0
2957	/* MWAIT sub C-states */
2958	pCurLeaf->uEdx =
2959	(0 << 0) /* 0 in C0 */ \|
2960	(2 << 4) /* 2 in C1 */ \|
2961	(2 << 8) /* 2 in C2 */ \|
2962	(2 << 12) /* 2 in C3 */ \|
2963	(0 << 16) /* 0 in C4 */
2964	;
2965	#endif
2966	}
2967	else
2968	pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
2969	uSubLeaf++;
2970	}
2971
2972	/* Cpuid 6: Digital Thermal Sensor and Power Management Paramenters.
2973	* Intel: Various stuff.
2974	* AMD: EAX, EBX, EDX - reserved.
2975	* ECX - Bit zero is EffFreq, indicating MSR_0000_00e7 and MSR_0000_00e8
2976	* present. Same as intel.
2977	* VIA: ??
2978	*
2979	* We clear everything here for now.
2980	*/
2981	cpumR3CpuIdZeroLeaf(pCpum, 6);
2982
2983	/* Cpuid 7 + ECX: Structured Extended Feature Flags Enumeration
2984	* EAX: Number of sub leaves.
2985	* EBX+ECX+EDX: Feature flags
2986	*
2987	* We only have documentation for one sub-leaf, so clear all other (no need
2988	* to remove them as such, just set them to zero).
2989	*
2990	* Note! When enabling new features the Synthetic CPU and Portable CPUID
2991	* options may require adjusting (i.e. stripping what was enabled).
2992	*/
2993	uSubLeaf = 0;
2994	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, uSubLeaf)) != NULL)
2995	{
2996	switch (uSubLeaf)
2997	{
2998	case 0:
2999	{
3000	pCurLeaf->uEax = 0; /* Max ECX input is 0. */
3001	pCurLeaf->uEbx &= 0
3002	//\| X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE RT_BIT(0)
3003	//\| X86_CPUID_STEXT_FEATURE_EBX_TSC_ADJUST RT_BIT(1)
3004	//\| X86_CPUID_STEXT_FEATURE_EBX_SGX RT_BIT(2)
3005	//\| X86_CPUID_STEXT_FEATURE_EBX_BMI1 RT_BIT(3)
3006	//\| X86_CPUID_STEXT_FEATURE_EBX_HLE RT_BIT(4)
3007	\| (pConfig->enmAvx2 ? X86_CPUID_STEXT_FEATURE_EBX_AVX2 : 0)
3008	\| X86_CPUID_STEXT_FEATURE_EBX_FDP_EXCPTN_ONLY
3009	//\| X86_CPUID_STEXT_FEATURE_EBX_SMEP RT_BIT(7)
3010	//\| X86_CPUID_STEXT_FEATURE_EBX_BMI2 RT_BIT(8)
3011	//\| X86_CPUID_STEXT_FEATURE_EBX_ERMS RT_BIT(9)
3012	//\| X86_CPUID_STEXT_FEATURE_EBX_INVPCID RT_BIT(10)
3013	//\| X86_CPUID_STEXT_FEATURE_EBX_RTM RT_BIT(11)
3014	//\| X86_CPUID_STEXT_FEATURE_EBX_PQM RT_BIT(12)
3015	\| X86_CPUID_STEXT_FEATURE_EBX_DEPR_FPU_CS_DS
3016	//\| X86_CPUID_STEXT_FEATURE_EBX_MPE RT_BIT(14)
3017	//\| X86_CPUID_STEXT_FEATURE_EBX_PQE RT_BIT(15)
3018	//\| X86_CPUID_STEXT_FEATURE_EBX_AVX512F RT_BIT(16)
3019	//\| RT_BIT(17) - reserved
3020	\| (pConfig->enmRdSeed ? X86_CPUID_STEXT_FEATURE_EBX_RDSEED : 0)
3021	//\| X86_CPUID_STEXT_FEATURE_EBX_ADX RT_BIT(19)
3022	//\| X86_CPUID_STEXT_FEATURE_EBX_SMAP RT_BIT(20)
3023	//\| RT_BIT(21) - reserved
3024	//\| RT_BIT(22) - reserved
3025	\| (pConfig->enmCLFlushOpt ? X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT : 0)
3026	//\| RT_BIT(24) - reserved
3027	//\| X86_CPUID_STEXT_FEATURE_EBX_INTEL_PT RT_BIT(25)
3028	//\| X86_CPUID_STEXT_FEATURE_EBX_AVX512PF RT_BIT(26)
3029	//\| X86_CPUID_STEXT_FEATURE_EBX_AVX512ER RT_BIT(27)
3030	//\| X86_CPUID_STEXT_FEATURE_EBX_AVX512CD RT_BIT(28)
3031	//\| X86_CPUID_STEXT_FEATURE_EBX_SHA RT_BIT(29)
3032	//\| RT_BIT(30) - reserved
3033	//\| RT_BIT(31) - reserved
3034	;
3035	pCurLeaf->uEcx &= 0
3036	//\| X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1 - we do not do vector functions yet.
3037	;
3038	pCurLeaf->uEdx &= 0;
3039
3040	if (pCpum->u8PortableCpuIdLevel > 0)
3041	{
3042	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, FSGSBASE, X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
3043	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SGX, X86_CPUID_STEXT_FEATURE_EBX_SGX);
3044	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, AVX2, X86_CPUID_STEXT_FEATURE_EBX_AVX2, pConfig->enmAvx2);
3045	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMEP, X86_CPUID_STEXT_FEATURE_EBX_SMEP);
3046	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, BMI2, X86_CPUID_STEXT_FEATURE_EBX_BMI2);
3047	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, INVPCID, X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
3048	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512F, X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
3049	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, RDSEED, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmRdSeed);
3050	PORTABLE_DISABLE_FEATURE_BIT_CFG(1, pCurLeaf->uEbx, CLFLUSHOPT, X86_CPUID_STEXT_FEATURE_EBX_RDSEED, pConfig->enmCLFlushOpt);
3051	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512PF, X86_CPUID_STEXT_FEATURE_EBX_AVX512PF);
3052	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512ER, X86_CPUID_STEXT_FEATURE_EBX_AVX512ER);
3053	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, AVX512CD, X86_CPUID_STEXT_FEATURE_EBX_AVX512CD);
3054	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SMAP, X86_CPUID_STEXT_FEATURE_EBX_SMAP);
3055	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEbx, SHA, X86_CPUID_STEXT_FEATURE_EBX_SHA);
3056	PORTABLE_DISABLE_FEATURE_BIT( 1, pCurLeaf->uEcx, PREFETCHWT1, X86_CPUID_STEXT_FEATURE_ECX_PREFETCHWT1);
3057	}
3058
3059	/* Force standard feature bits. */
3060	if (pConfig->enmAvx2 == CPUMISAEXTCFG_ENABLED_ALWAYS)
3061	pCurLeaf->uEbx \|= X86_CPUID_STEXT_FEATURE_EBX_AVX2;
3062	if (pConfig->enmRdSeed == CPUMISAEXTCFG_ENABLED_ALWAYS)
3063	pCurLeaf->uEbx \|= X86_CPUID_STEXT_FEATURE_EBX_RDSEED;
3064	if (pConfig->enmCLFlushOpt == CPUMISAEXTCFG_ENABLED_ALWAYS)
3065	pCurLeaf->uEbx \|= X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT;
3066	break;
3067	}
3068
3069	default:
3070	/* Invalid index, all values are zero. */
3071	pCurLeaf->uEax = 0;
3072	pCurLeaf->uEbx = 0;
3073	pCurLeaf->uEcx = 0;
3074	pCurLeaf->uEdx = 0;
3075	break;
3076	}
3077	uSubLeaf++;
3078	}
3079
3080	/* Cpuid 8: Marked as reserved by Intel and AMD.
3081	* We zero this since we don't know what it may have been used for.
3082	*/
3083	cpumR3CpuIdZeroLeaf(pCpum, 8);
3084
3085	/* Cpuid 9: Direct Cache Access (DCA) Parameters
3086	* Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3087	* EBX, ECX, EDX - reserved.
3088	* AMD: Reserved
3089	* VIA: ??
3090	*
3091	* We zero this.
3092	*/
3093	cpumR3CpuIdZeroLeaf(pCpum, 9);
3094
3095	/* Cpuid 0xa: Architectural Performance Monitor Features
3096	* Intel: EAX - Value of PLATFORM_DCA_CAP bits.
3097	* EBX, ECX, EDX - reserved.
3098	* AMD: Reserved
3099	* VIA: ??
3100	*
3101	* We zero this, for now at least.
3102	*/
3103	cpumR3CpuIdZeroLeaf(pCpum, 10);
3104
3105	/* Cpuid 0xb+ECX: x2APIC Features / Processor Topology.
3106	* Intel: EAX - APCI ID shift right for next level.
3107	* EBX - Factory configured cores/threads at this level.
3108	* ECX - Level number (same as input) and level type (1,2,0).
3109	* EDX - Extended initial APIC ID.
3110	* AMD: Reserved
3111	* VIA: ??
3112	*/
3113	uSubLeaf = 0;
3114	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 11, uSubLeaf)) != NULL)
3115	{
3116	if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3117	{
3118	uint8_t bLevelType = RT_BYTE2(pCurLeaf->uEcx);
3119	if (bLevelType == 1)
3120	{
3121	/* Thread level - we don't do threads at the moment. */
3122	pCurLeaf->uEax = 0; /** @todo is this correct? Real CPUs never do 0 here, I think... */
3123	pCurLeaf->uEbx = 1;
3124	}
3125	else if (bLevelType == 2)
3126	{
3127	/* Core level. */
3128	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... */
3129	#ifdef VBOX_WITH_MULTI_CORE
3130	while (RT_BIT_32(pCurLeaf->uEax) < pVM->cCpus)
3131	pCurLeaf->uEax++;
3132	#endif
3133	pCurLeaf->uEbx = pVM->cCpus;
3134	}
3135	else
3136	{
3137	AssertLogRelMsg(bLevelType == 0, ("bLevelType=%#x uSubLeaf=%#x\n", bLevelType, uSubLeaf));
3138	pCurLeaf->uEax = 0;
3139	pCurLeaf->uEbx = 0;
3140	pCurLeaf->uEcx = 0;
3141	}
3142	pCurLeaf->uEcx = (pCurLeaf->uEcx & UINT32_C(0xffffff00)) \| (uSubLeaf & 0xff);
3143	pCurLeaf->uEdx = 0; /* APIC ID is filled in by CPUMGetGuestCpuId() at runtime. Init for EMT(0) as usual. */
3144	}
3145	else
3146	{
3147	pCurLeaf->uEax = 0;
3148	pCurLeaf->uEbx = 0;
3149	pCurLeaf->uEcx = 0;
3150	pCurLeaf->uEdx = 0;
3151	}
3152	uSubLeaf++;
3153	}
3154
3155	/* Cpuid 0xc: Marked as reserved by Intel and AMD.
3156	* We zero this since we don't know what it may have been used for.
3157	*/
3158	cpumR3CpuIdZeroLeaf(pCpum, 12);
3159
3160	/* Cpuid 0xd + ECX: Processor Extended State Enumeration
3161	* ECX=0: EAX - Valid bits in XCR0[31:0].
3162	* EBX - Maximum state size as per current XCR0 value.
3163	* ECX - Maximum state size for all supported features.
3164	* EDX - Valid bits in XCR0[63:32].
3165	* ECX=1: EAX - Various X-features.
3166	* EBX - Maximum state size as per current XCR0\|IA32_XSS value.
3167	* ECX - Valid bits in IA32_XSS[31:0].
3168	* EDX - Valid bits in IA32_XSS[63:32].
3169	* ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
3170	* if the bit invalid all four registers are set to zero.
3171	* EAX - The state size for this feature.
3172	* EBX - The state byte offset of this feature.
3173	* ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
3174	* EDX - Reserved, but is set to zero if invalid sub-leaf index.
3175	*
3176	* Clear them all as we don't currently implement extended CPU state.
3177	*/
3178	/* Figure out the supported XCR0/XSS mask component and make sure CPUID[1].ECX[27] = CR4.OSXSAVE. */
3179	uint64_t fGuestXcr0Mask = 0;
3180	pStdFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 1, 0);
3181	if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
3182	{
3183	fGuestXcr0Mask = XSAVE_C_X87 \| XSAVE_C_SSE;
3184	if (pStdFeatureLeaf && (pStdFeatureLeaf->uEcx & X86_CPUID_FEATURE_ECX_AVX))
3185	fGuestXcr0Mask \|= XSAVE_C_YMM;
3186	pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 7, 0);
3187	if (pCurLeaf && (pCurLeaf->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F))
3188	fGuestXcr0Mask \|= XSAVE_C_ZMM_16HI \| XSAVE_C_ZMM_HI256 \| XSAVE_C_OPMASK;
3189	fGuestXcr0Mask &= pCpum->fXStateHostMask;
3190
3191	pStdFeatureLeaf->fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_OSXSAVE;
3192	}
3193	pStdFeatureLeaf = NULL;
3194	pCpum->fXStateGuestMask = fGuestXcr0Mask;
3195
3196	/* Work the sub-leaves. */
3197	uint32_t cbXSaveMax = sizeof(X86FXSTATE);
3198	for (uSubLeaf = 0; uSubLeaf < 63; uSubLeaf++)
3199	{
3200	pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 13, uSubLeaf);
3201	if (pCurLeaf)
3202	{
3203	if (fGuestXcr0Mask)
3204	{
3205	switch (uSubLeaf)
3206	{
3207	case 0:
3208	pCurLeaf->uEax &= RT_LO_U32(fGuestXcr0Mask);
3209	pCurLeaf->uEdx &= RT_HI_U32(fGuestXcr0Mask);
3210	AssertLogRelMsgReturn((pCurLeaf->uEax & (XSAVE_C_X87 \| XSAVE_C_SSE)) == (XSAVE_C_X87 \| XSAVE_C_SSE),
3211	("CPUID(0xd/0).EAX missing mandatory X87 or SSE bits: %#RX32", pCurLeaf->uEax),
3212	VERR_CPUM_IPE_1);
3213	cbXSaveMax = pCurLeaf->uEcx;
3214	AssertLogRelMsgReturn(cbXSaveMax <= CPUM_MAX_XSAVE_AREA_SIZE && cbXSaveMax >= CPUM_MIN_XSAVE_AREA_SIZE,
3215	("%#x max=%#x\n", cbXSaveMax, CPUM_MAX_XSAVE_AREA_SIZE), VERR_CPUM_IPE_2);
3216	AssertLogRelMsgReturn(pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE && pCurLeaf->uEbx <= cbXSaveMax,
3217	("ebx=%#x cbXSaveMax=%#x\n", pCurLeaf->uEbx, cbXSaveMax),
3218	VERR_CPUM_IPE_2);
3219	continue;
3220	case 1:
3221	pCurLeaf->uEax &= 0;
3222	pCurLeaf->uEcx &= 0;
3223	pCurLeaf->uEdx &= 0;
3224	/** @todo what about checking ebx? */
3225	continue;
3226	default:
3227	if (fGuestXcr0Mask & RT_BIT_64(uSubLeaf))
3228	{
3229	AssertLogRelMsgReturn( pCurLeaf->uEax <= cbXSaveMax
3230	&& pCurLeaf->uEax > 0
3231	&& pCurLeaf->uEbx < cbXSaveMax
3232	&& pCurLeaf->uEbx >= CPUM_MIN_XSAVE_AREA_SIZE
3233	&& pCurLeaf->uEbx + pCurLeaf->uEax <= cbXSaveMax,
3234	("%#x: eax=%#x ebx=%#x cbMax=%#x\n",
3235	uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, cbXSaveMax),
3236	VERR_CPUM_IPE_2);
3237	AssertLogRel(!(pCurLeaf->uEcx & 1));
3238	pCurLeaf->uEcx = 0; /* Bit 0 should be zero (XCR0), the reset are reserved... */
3239	pCurLeaf->uEdx = 0; /* it's reserved... */
3240	continue;
3241	}
3242	break;
3243	}
3244	}
3245
3246	/* Clear the leaf. */
3247	pCurLeaf->uEax = 0;
3248	pCurLeaf->uEbx = 0;
3249	pCurLeaf->uEcx = 0;
3250	pCurLeaf->uEdx = 0;
3251	}
3252	}
3253
3254	/* Cpuid 0xe: Marked as reserved by Intel and AMD.
3255	* We zero this since we don't know what it may have been used for.
3256	*/
3257	cpumR3CpuIdZeroLeaf(pCpum, 14);
3258
3259	/* Cpuid 0xf + ECX: Platform qualifity of service monitoring (PQM).
3260	* We zero this as we don't currently virtualize PQM.
3261	*/
3262	cpumR3CpuIdZeroLeaf(pCpum, 15);
3263
3264	/* Cpuid 0x10 + ECX: Platform qualifity of service enforcement (PQE).
3265	* We zero this as we don't currently virtualize PQE.
3266	*/
3267	cpumR3CpuIdZeroLeaf(pCpum, 16);
3268
3269	/* Cpuid 0x11: Marked as reserved by Intel and AMD.
3270	* We zero this since we don't know what it may have been used for.
3271	*/
3272	cpumR3CpuIdZeroLeaf(pCpum, 17);
3273
3274	/* Cpuid 0x12 + ECX: SGX resource enumeration.
3275	* We zero this as we don't currently virtualize this.
3276	*/
3277	cpumR3CpuIdZeroLeaf(pCpum, 18);
3278
3279	/* Cpuid 0x13: Marked as reserved by Intel and AMD.
3280	* We zero this since we don't know what it may have been used for.
3281	*/
3282	cpumR3CpuIdZeroLeaf(pCpum, 19);
3283
3284	/* Cpuid 0x14 + ECX: Processor Trace (PT) capability enumeration.
3285	* We zero this as we don't currently virtualize this.
3286	*/
3287	cpumR3CpuIdZeroLeaf(pCpum, 20);
3288
3289	/* Cpuid 0x15: Timestamp Counter / Core Crystal Clock info.
3290	* Intel: uTscFrequency = uCoreCrystalClockFrequency * EBX / EAX.
3291	* EAX - denominator (unsigned).
3292	* EBX - numerator (unsigned).
3293	* ECX, EDX - reserved.
3294	* AMD: Reserved / undefined / not implemented.
3295	* VIA: Reserved / undefined / not implemented.
3296	* We zero this as we don't currently virtualize this.
3297	*/
3298	cpumR3CpuIdZeroLeaf(pCpum, 21);
3299
3300	/* Cpuid 0x16: Processor frequency info
3301	* Intel: EAX - Core base frequency in MHz.
3302	* EBX - Core maximum frequency in MHz.
3303	* ECX - Bus (reference) frequency in MHz.
3304	* EDX - Reserved.
3305	* AMD: Reserved / undefined / not implemented.
3306	* VIA: Reserved / undefined / not implemented.
3307	* We zero this as we don't currently virtualize this.
3308	*/
3309	cpumR3CpuIdZeroLeaf(pCpum, 22);
3310
3311	/* Cpuid 0x17..0x10000000: Unknown.
3312	* We don't know these and what they mean, so remove them. */
3313	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3314	UINT32_C(0x00000017), UINT32_C(0x0fffffff));
3315
3316
3317	/* CpuId 0x40000000..0x4fffffff: Reserved for hypervisor/emulator.
3318	* We remove all these as we're a hypervisor and must provide our own.
3319	*/
3320	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3321	UINT32_C(0x40000000), UINT32_C(0x4fffffff));
3322
3323
3324	/* Cpuid 0x80000000 is harmless. */
3325
3326	/* Cpuid 0x80000001 is handled with cpuid 1 way up above. */
3327
3328	/* Cpuid 0x80000002...0x80000004 contains the processor name and is considered harmless. */
3329
3330	/* Cpuid 0x800000005 & 0x800000006 contain information about L1, L2 & L3 cache and TLB identifiers.
3331	* Safe to pass on to the guest.
3332	*
3333	* AMD: 0x800000005 L1 cache information
3334	* 0x800000006 L2/L3 cache information
3335	* Intel: 0x800000005 reserved
3336	* 0x800000006 L2 cache information
3337	* VIA: 0x800000005 TLB and L1 cache information
3338	* 0x800000006 L2 cache information
3339	*/
3340
3341	/* Cpuid 0x800000007: Advanced Power Management Information.
3342	* AMD: EAX: Processor feedback capabilities.
3343	* EBX: RAS capabilites.
3344	* ECX: Advanced power monitoring interface.
3345	* EDX: Enhanced power management capabilities.
3346	* Intel: EAX, EBX, ECX - reserved.
3347	* EDX - Invariant TSC indicator supported (bit 8), the rest is reserved.
3348	* VIA: Reserved
3349	* We let the guest see EDX_TSCINVAR (and later maybe EDX_EFRO). Actually, we should set EDX_TSCINVAR.
3350	*/
3351	uSubLeaf = 0;
3352	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000007), uSubLeaf)) != NULL)
3353	{
3354	pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = 0;
3355	if (pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3356	{
3357	pCurLeaf->uEdx &= 0
3358	//\| X86_CPUID_AMD_ADVPOWER_EDX_TS
3359	//\| X86_CPUID_AMD_ADVPOWER_EDX_FID
3360	//\| X86_CPUID_AMD_ADVPOWER_EDX_VID
3361	//\| X86_CPUID_AMD_ADVPOWER_EDX_TTP
3362	//\| X86_CPUID_AMD_ADVPOWER_EDX_TM
3363	//\| X86_CPUID_AMD_ADVPOWER_EDX_STC
3364	//\| X86_CPUID_AMD_ADVPOWER_EDX_MC
3365	//\| X86_CPUID_AMD_ADVPOWER_EDX_HWPSTATE
3366	#if 0 /*
3367	* We don't expose X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR, because newer
3368	* Linux kernels blindly assume that the AMD performance counters work
3369	* if this is set for 64 bits guests. (Can't really find a CPUID feature
3370	* bit for them though.)
3371	*/
3372	/** @todo need to recheck this with new MSR emulation. */
3373	\| X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR
3374	#endif
3375	//\| X86_CPUID_AMD_ADVPOWER_EDX_CPB RT_BIT(9)
3376	//\| X86_CPUID_AMD_ADVPOWER_EDX_EFRO RT_BIT(10)
3377	//\| X86_CPUID_AMD_ADVPOWER_EDX_PFI RT_BIT(11)
3378	//\| X86_CPUID_AMD_ADVPOWER_EDX_PA RT_BIT(12)
3379	\| 0;
3380	}
3381	else
3382	pCurLeaf->uEdx &= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3383	if (pConfig->fInvariantTsc)
3384	pCurLeaf->uEdx \|= X86_CPUID_AMD_ADVPOWER_EDX_TSCINVAR;
3385	uSubLeaf++;
3386	}
3387
3388	/* Cpuid 0x80000008:
3389	* AMD: EBX, EDX - reserved
3390	* EAX: Virtual/Physical/Guest address Size
3391	* ECX: Number of cores + APICIdCoreIdSize
3392	* Intel: EAX: Virtual/Physical address Size
3393	* EBX, ECX, EDX - reserved
3394	* VIA: EAX: Virtual/Physical address Size
3395	* EBX, ECX, EDX - reserved
3396	*
3397	* We only expose the virtual+pysical address size to the guest atm.
3398	* On AMD we set the core count, but not the apic id stuff as we're
3399	* currently not doing the apic id assignments in a complatible manner.
3400	*/
3401	uSubLeaf = 0;
3402	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000008), uSubLeaf)) != NULL)
3403	{
3404	pCurLeaf->uEax &= UINT32_C(0x0000ffff); /* Virtual & physical address sizes only. */
3405	pCurLeaf->uEbx = 0; /* reserved */
3406	pCurLeaf->uEdx = 0; /* reserved */
3407
3408	/* Set APICIdCoreIdSize to zero (use legacy method to determine the number of cores per cpu).
3409	* Set core count to 0, indicating 1 core. Adjust if we're in multi core mode on AMD. */
3410	pCurLeaf->uEcx = 0;
3411	#ifdef VBOX_WITH_MULTI_CORE
3412	if ( pVM->cCpus > 1
3413	&& pCpum->GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
3414	pCurLeaf->uEcx \|= (pVM->cCpus - 1) & UINT32_C(0xff);
3415	#endif
3416	uSubLeaf++;
3417	}
3418
3419	/* Cpuid 0x80000009: Reserved
3420	* We zero this since we don't know what it may have been used for.
3421	*/
3422	cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x80000009));
3423
3424	/* Cpuid 0x8000000a: SVM Information
3425	* AMD: EAX - SVM revision.
3426	* EBX - Number of ASIDs.
3427	* ECX - Reserved.
3428	* EDX - SVM Feature identification.
3429	*/
3430	pExtFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x80000001), 0);
3431	if (pExtFeatureLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM)
3432	{
3433	PCPUMCPUIDLEAF pSvmFeatureLeaf = cpumR3CpuIdGetExactLeaf(pCpum, 0x8000000a, 0);
3434	pSvmFeatureLeaf->uEax = 0x1;
3435	pSvmFeatureLeaf->uEbx = 0x8000; /** @todo figure out virtual NASID. */
3436	pSvmFeatureLeaf->uEcx = 0;
3437	pSvmFeatureLeaf->uEdx = 0; /** @todo Support SVM features */
3438	}
3439	else
3440	cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000000a));
3441
3442	/* Cpuid 0x8000000b thru 0x80000018: Reserved
3443	* We clear these as we don't know what purpose they might have. */
3444	for (uint32_t uLeaf = UINT32_C(0x8000000b); uLeaf <= UINT32_C(0x80000018); uLeaf++)
3445	cpumR3CpuIdZeroLeaf(pCpum, uLeaf);
3446
3447	/* Cpuid 0x80000019: TLB configuration
3448	* Seems to be harmless, pass them thru as is. */
3449
3450	/* Cpuid 0x8000001a: Peformance optimization identifiers.
3451	* Strip anything we don't know what is or addresses feature we don't implement. */
3452	uSubLeaf = 0;
3453	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001a), uSubLeaf)) != NULL)
3454	{
3455	pCurLeaf->uEax &= RT_BIT_32(0) /* FP128 - use 1x128-bit instead of 2x64-bit. */
3456	\| RT_BIT_32(1) /* MOVU - Prefere unaligned MOV over MOVL + MOVH. */
3457	//\| RT_BIT_32(2) /* FP256 - use 1x256-bit instead of 2x128-bit. */
3458	;
3459	pCurLeaf->uEbx = 0; /* reserved */
3460	pCurLeaf->uEcx = 0; /* reserved */
3461	pCurLeaf->uEdx = 0; /* reserved */
3462	uSubLeaf++;
3463	}
3464
3465	/* Cpuid 0x8000001b: Instruct based sampling (IBS) information.
3466	* Clear this as we don't currently virtualize this feature. */
3467	cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001b));
3468
3469	/* Cpuid 0x8000001c: Lightweight profiling (LWP) information.
3470	* Clear this as we don't currently virtualize this feature. */
3471	cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0x8000001c));
3472
3473	/* Cpuid 0x8000001d+ECX: Get cache configuration descriptors.
3474	* We need to sanitize the cores per cache (EAX[25:14]).
3475	*
3476	* This is very much the same as Intel's CPUID(4) leaf, except EAX[31:26]
3477	* and EDX[2] are reserved here, and EAX[14:25] is documented having a
3478	* slightly different meaning.
3479	*/
3480	uSubLeaf = 0;
3481	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001d), uSubLeaf)) != NULL)
3482	{
3483	#ifdef VBOX_WITH_MULTI_CORE
3484	uint32_t cCores = ((pCurLeaf->uEax >> 14) & 0xfff) + 1;
3485	if (cCores > pVM->cCpus)
3486	cCores = pVM->cCpus;
3487	pCurLeaf->uEax &= UINT32_C(0x00003fff);
3488	pCurLeaf->uEax \|= ((cCores - 1) & 0xfff) << 14;
3489	#else
3490	pCurLeaf->uEax &= UINT32_C(0x00003fff);
3491	#endif
3492	uSubLeaf++;
3493	}
3494
3495	/* Cpuid 0x8000001e: Get APIC / unit / node information.
3496	* If AMD, we configure it for our layout (on EMT(0)). In the multi-core
3497	* setup, we have one compute unit with all the cores in it. Single node.
3498	*/
3499	uSubLeaf = 0;
3500	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0x8000001e), uSubLeaf)) != NULL)
3501	{
3502	pCurLeaf->uEax = 0; /* Extended APIC ID = EMT(0).idApic (== 0). */
3503	if (pCurLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC_ID)
3504	{
3505	#ifdef VBOX_WITH_MULTI_CORE
3506	pCurLeaf->uEbx = pVM->cCpus < 0x100
3507	? (pVM->cCpus - 1) << 8 : UINT32_C(0x0000ff00); /* Compute unit ID 0, core per unit. */
3508	#else
3509	pCurLeaf->uEbx = 0; /* Compute unit ID 0, 1 core per unit. */
3510	#endif
3511	pCurLeaf->uEcx = 0; /* Node ID 0, 1 node per CPU. */
3512	}
3513	else
3514	{
3515	Assert(pCpum->GuestFeatures.enmCpuVendor != CPUMCPUVENDOR_AMD);
3516	pCurLeaf->uEbx = 0; /* Reserved. */
3517	pCurLeaf->uEcx = 0; /* Reserved. */
3518	}
3519	pCurLeaf->uEdx = 0; /* Reserved. */
3520	uSubLeaf++;
3521	}
3522
3523	/* Cpuid 0x8000001f...0x8ffffffd: Unknown.
3524	* We don't know these and what they mean, so remove them. */
3525	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3526	UINT32_C(0x8000001f), UINT32_C(0x8ffffffd));
3527
3528	/* Cpuid 0x8ffffffe: Mystery AMD K6 leaf.
3529	* Just pass it thru for now. */
3530
3531	/* Cpuid 0x8fffffff: Mystery hammer time leaf!
3532	* Just pass it thru for now. */
3533
3534	/* Cpuid 0xc0000000: Centaur stuff.
3535	* Harmless, pass it thru. */
3536
3537	/* Cpuid 0xc0000001: Centaur features.
3538	* VIA: EAX - Family, model, stepping.
3539	* EDX - Centaur extended feature flags. Nothing interesting, except may
3540	* FEMMS (bit 5), but VIA marks it as 'reserved', so never mind.
3541	* EBX, ECX - reserved.
3542	* We keep EAX but strips the rest.
3543	*/
3544	uSubLeaf = 0;
3545	while ((pCurLeaf = cpumR3CpuIdGetExactLeaf(pCpum, UINT32_C(0xc0000001), uSubLeaf)) != NULL)
3546	{
3547	pCurLeaf->uEbx = 0;
3548	pCurLeaf->uEcx = 0;
3549	pCurLeaf->uEdx = 0; /* Bits 0 thru 9 are documented on sandpil.org, but we don't want them, except maybe 5 (FEMMS). */
3550	uSubLeaf++;
3551	}
3552
3553	/* Cpuid 0xc0000002: Old Centaur Current Performance Data.
3554	* We only have fixed stale values, but should be harmless. */
3555
3556	/* Cpuid 0xc0000003: Reserved.
3557	* We zero this since we don't know what it may have been used for.
3558	*/
3559	cpumR3CpuIdZeroLeaf(pCpum, UINT32_C(0xc0000003));
3560
3561	/* Cpuid 0xc0000004: Centaur Performance Info.
3562	* We only have fixed stale values, but should be harmless. */
3563
3564
3565	/* Cpuid 0xc0000005...0xcfffffff: Unknown.
3566	* We don't know these and what they mean, so remove them. */
3567	cpumR3CpuIdRemoveRange(pCpum->GuestInfo.paCpuIdLeavesR3, &pCpum->GuestInfo.cCpuIdLeaves,
3568	UINT32_C(0xc0000005), UINT32_C(0xcfffffff));
3569
3570	return VINF_SUCCESS;
3571	#undef PORTABLE_DISABLE_FEATURE_BIT
3572	#undef PORTABLE_CLEAR_BITS_WHEN
3573	}
3574
3575
3576	/**
3577	* Reads a value in /CPUM/IsaExts/ node.
3578	*
3579	* @returns VBox status code (error message raised).
3580	* @param pVM The cross context VM structure. (For errors.)
3581	* @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3582	* @param pszValueName The value / extension name.
3583	* @param penmValue Where to return the choice.
3584	* @param enmDefault The default choice.
3585	*/
3586	static int cpumR3CpuIdReadIsaExtCfg(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3587	CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3588	{
3589	/*
3590	* Try integer encoding first.
3591	*/
3592	uint64_t uValue;
3593	int rc = CFGMR3QueryInteger(pIsaExts, pszValueName, &uValue);
3594	if (RT_SUCCESS(rc))
3595	switch (uValue)
3596	{
3597	case 0: *penmValue = CPUMISAEXTCFG_DISABLED; break;
3598	case 1: *penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED; break;
3599	case 2: *penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS; break;
3600	case 9: *penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE; break;
3601	default:
3602	return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3603	"Invalid config value for '/CPUM/IsaExts/%s': %llu (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3604	pszValueName, uValue);
3605	}
3606	/*
3607	* If missing, use default.
3608	*/
3609	else if (rc == VERR_CFGM_VALUE_NOT_FOUND \|\| rc == VERR_CFGM_NO_PARENT)
3610	*penmValue = enmDefault;
3611	else
3612	{
3613	if (rc == VERR_CFGM_NOT_INTEGER)
3614	{
3615	/*
3616	* Not an integer, try read it as a string.
3617	*/
3618	char szValue[32];
3619	rc = CFGMR3QueryString(pIsaExts, pszValueName, szValue, sizeof(szValue));
3620	if (RT_SUCCESS(rc))
3621	{
3622	RTStrToLower(szValue);
3623	size_t cchValue = strlen(szValue);
3624	#define EQ(a_str) (cchValue == sizeof(a_str) - 1U && memcmp(szValue, a_str, sizeof(a_str) - 1))
3625	if ( EQ("disabled") \|\| EQ("disable") \|\| EQ("off") \|\| EQ("no"))
3626	*penmValue = CPUMISAEXTCFG_DISABLED;
3627	else if (EQ("enabled") \|\| EQ("enable") \|\| EQ("on") \|\| EQ("yes"))
3628	*penmValue = CPUMISAEXTCFG_ENABLED_SUPPORTED;
3629	else if (EQ("forced") \|\| EQ("force") \|\| EQ("always"))
3630	*penmValue = CPUMISAEXTCFG_ENABLED_ALWAYS;
3631	else if (EQ("portable"))
3632	*penmValue = CPUMISAEXTCFG_ENABLED_PORTABLE;
3633	else if (EQ("default") \|\| EQ("def"))
3634	*penmValue = enmDefault;
3635	else
3636	return VMSetError(pVM, VERR_CPUM_INVALID_CONFIG_VALUE, RT_SRC_POS,
3637	"Invalid config value for '/CPUM/IsaExts/%s': '%s' (expected 0/'disabled', 1/'enabled', 2/'portable', or 9/'forced')",
3638	pszValueName, uValue);
3639	#undef EQ
3640	}
3641	}
3642	if (RT_FAILURE(rc))
3643	return VMSetError(pVM, rc, RT_SRC_POS, "Error reading config value '/CPUM/IsaExts/%s': %Rrc", pszValueName, rc);
3644	}
3645	return VINF_SUCCESS;
3646	}
3647
3648
3649	/**
3650	* Reads a value in /CPUM/IsaExts/ node, forcing it to DISABLED if wanted.
3651	*
3652	* @returns VBox status code (error message raised).
3653	* @param pVM The cross context VM structure. (For errors.)
3654	* @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3655	* @param pszValueName The value / extension name.
3656	* @param penmValue Where to return the choice.
3657	* @param enmDefault The default choice.
3658	* @param fAllowed Allowed choice. Applied both to the result and to
3659	* the default value.
3660	*/
3661	static int cpumR3CpuIdReadIsaExtCfgEx(PVM pVM, PCFGMNODE pIsaExts, const char *pszValueName,
3662	CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault, bool fAllowed)
3663	{
3664	int rc;
3665	if (fAllowed)
3666	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3667	else
3668	{
3669	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, false /enmDefault/);
3670	if (RT_SUCCESS(rc) && *penmValue == CPUMISAEXTCFG_ENABLED_ALWAYS)
3671	LogRel(("CPUM: Ignoring forced '%s'\n", pszValueName));
3672	*penmValue = CPUMISAEXTCFG_DISABLED;
3673	}
3674	return rc;
3675	}
3676
3677
3678	/**
3679	* Reads a value in /CPUM/IsaExts/ node that used to be located in /CPUM/.
3680	*
3681	* @returns VBox status code (error message raised).
3682	* @param pVM The cross context VM structure. (For errors.)
3683	* @param pIsaExts The /CPUM/IsaExts node (can be NULL).
3684	* @param pCpumCfg The /CPUM node (can be NULL).
3685	* @param pszValueName The value / extension name.
3686	* @param penmValue Where to return the choice.
3687	* @param enmDefault The default choice.
3688	*/
3689	static int cpumR3CpuIdReadIsaExtCfgLegacy(PVM pVM, PCFGMNODE pIsaExts, PCFGMNODE pCpumCfg, const char *pszValueName,
3690	CPUMISAEXTCFG *penmValue, CPUMISAEXTCFG enmDefault)
3691	{
3692	if (CFGMR3Exists(pCpumCfg, pszValueName))
3693	{
3694	if (!CFGMR3Exists(pIsaExts, pszValueName))
3695	LogRel(("Warning: /CPUM/%s is deprecated, use /CPUM/IsaExts/%s instead.\n", pszValueName, pszValueName));
3696	else
3697	return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS,
3698	"Duplicate config values '/CPUM/%s' and '/CPUM/IsaExts/%s' - please remove the former!",
3699	pszValueName, pszValueName);
3700
3701	bool fLegacy;
3702	int rc = CFGMR3QueryBoolDef(pCpumCfg, pszValueName, &fLegacy, enmDefault != CPUMISAEXTCFG_DISABLED);
3703	if (RT_SUCCESS(rc))
3704	{
3705	*penmValue = fLegacy;
3706	return VINF_SUCCESS;
3707	}
3708	return VMSetError(pVM, VERR_DUPLICATE, RT_SRC_POS, "Error querying '/CPUM/%s': %Rrc", pszValueName, rc);
3709	}
3710
3711	return cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, pszValueName, penmValue, enmDefault);
3712	}
3713
3714
3715	static int cpumR3CpuIdReadConfig(PVM pVM, PCPUMCPUIDCONFIG pConfig, PCFGMNODE pCpumCfg, bool fNestedPagingAndFullGuestExec)
3716	{
3717	int rc;
3718
3719	/** @cfgm{/CPUM/PortableCpuIdLevel, 8-bit, 0, 3, 0}
3720	* When non-zero CPUID features that could cause portability issues will be
3721	* stripped. The higher the value the more features gets stripped. Higher
3722	* values should only be used when older CPUs are involved since it may
3723	* harm performance and maybe also cause problems with specific guests. */
3724	rc = CFGMR3QueryU8Def(pCpumCfg, "PortableCpuIdLevel", &pVM->cpum.s.u8PortableCpuIdLevel, 0);
3725	AssertLogRelRCReturn(rc, rc);
3726
3727	/** @cfgm{/CPUM/GuestCpuName, string}
3728	* The name of the CPU we're to emulate. The default is the host CPU.
3729	* Note! CPUs other than "host" one is currently unsupported. */
3730	rc = CFGMR3QueryStringDef(pCpumCfg, "GuestCpuName", pConfig->szCpuName, sizeof(pConfig->szCpuName), "host");
3731	AssertLogRelRCReturn(rc, rc);
3732
3733	/** @cfgm{/CPUM/NT4LeafLimit, boolean, false}
3734	* Limit the number of standard CPUID leaves to 0..3 to prevent NT4 from
3735	* bugchecking with MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED (0x3e).
3736	* This option corresponds somewhat to IA32_MISC_ENABLES.BOOT_NT4[bit 22].
3737	*/
3738	rc = CFGMR3QueryBoolDef(pCpumCfg, "NT4LeafLimit", &pConfig->fNt4LeafLimit, false);
3739	AssertLogRelRCReturn(rc, rc);
3740
3741	/** @cfgm{/CPUM/InvariantTsc, boolean, complicated}
3742	* Set the invariant TSC flag in 0x80000007 if true, otherwas take default
3743	* action. By default the flag is passed thru as is from the host CPU, except
3744	* on AMD CPUs where it's suppressed to avoid trouble from linux assuming we
3745	* virtualize performance counters.
3746	*/
3747	rc = CFGMR3QueryBoolDef(pCpumCfg, "InvariantTsc", &pConfig->fInvariantTsc, false);
3748	AssertLogRelRCReturn(rc, rc);
3749
3750	/** @cfgm{/CPUM/ForceVme, boolean, false}
3751	* Always expose the VME (Virtual-8086 Mode Extensions) capability if true.
3752	* By default the flag is passed thru as is from the host CPU, except
3753	* on AMD Ryzen CPUs where it's masked to avoid trouble with XP/Server 2003
3754	* guests and DOS boxes in general.
3755	*/
3756	rc = CFGMR3QueryBoolDef(pCpumCfg, "ForceVme", &pConfig->fForceVme, false);
3757	AssertLogRelRCReturn(rc, rc);
3758
3759	/** @cfgm{/CPUM/MaxIntelFamilyModelStep, uint32_t, UINT32_MAX}
3760	* Restrict the reported CPU family+model+stepping of intel CPUs. This is
3761	* probably going to be a temporary hack, so don't depend on this.
3762	* The 1st byte of the value is the stepping, the 2nd byte value is the model
3763	* number and the 3rd byte value is the family, and the 4th value must be zero.
3764	*/
3765	rc = CFGMR3QueryU32Def(pCpumCfg, "MaxIntelFamilyModelStep", &pConfig->uMaxIntelFamilyModelStep, UINT32_MAX);
3766	AssertLogRelRCReturn(rc, rc);
3767
3768	/** @cfgm{/CPUM/MaxStdLeaf, uint32_t, 0x00000016}
3769	* The last standard leaf to keep. The actual last value that is stored in EAX
3770	* is RT_MAX(CPUID[0].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max leaf are
3771	* removed. (This works independently of and differently from NT4LeafLimit.)
3772	* The default is usually set to what we're able to reasonably sanitize.
3773	*/
3774	rc = CFGMR3QueryU32Def(pCpumCfg, "MaxStdLeaf", &pConfig->uMaxStdLeaf, UINT32_C(0x00000016));
3775	AssertLogRelRCReturn(rc, rc);
3776
3777	/** @cfgm{/CPUM/MaxExtLeaf, uint32_t, 0x8000001e}
3778	* The last extended leaf to keep. The actual last value that is stored in EAX
3779	* is RT_MAX(CPUID[0x80000000].EAX,/CPUM/MaxStdLeaf). Leaves beyond the max
3780	* leaf are removed. The default is set to what we're able to sanitize.
3781	*/
3782	rc = CFGMR3QueryU32Def(pCpumCfg, "MaxExtLeaf", &pConfig->uMaxExtLeaf, UINT32_C(0x8000001e));
3783	AssertLogRelRCReturn(rc, rc);
3784
3785	/** @cfgm{/CPUM/MaxCentaurLeaf, uint32_t, 0xc0000004}
3786	* The last extended leaf to keep. The actual last value that is stored in EAX
3787	* is RT_MAX(CPUID[0xc0000000].EAX,/CPUM/MaxCentaurLeaf). Leaves beyond the max
3788	* leaf are removed. The default is set to what we're able to sanitize.
3789	*/
3790	rc = CFGMR3QueryU32Def(pCpumCfg, "MaxCentaurLeaf", &pConfig->uMaxCentaurLeaf, UINT32_C(0xc0000004));
3791	AssertLogRelRCReturn(rc, rc);
3792
3793
3794	/*
3795	* Instruction Set Architecture (ISA) Extensions.
3796	*/
3797	PCFGMNODE pIsaExts = CFGMR3GetChild(pCpumCfg, "IsaExts");
3798	if (pIsaExts)
3799	{
3800	rc = CFGMR3ValidateConfig(pIsaExts, "/CPUM/IsaExts/",
3801	"CMPXCHG16B"
3802	"\|MONITOR"
3803	"\|MWaitExtensions"
3804	"\|SSE4.1"
3805	"\|SSE4.2"
3806	"\|XSAVE"
3807	"\|AVX"
3808	"\|AVX2"
3809	"\|AESNI"
3810	"\|PCLMUL"
3811	"\|POPCNT"
3812	"\|MOVBE"
3813	"\|RDRAND"
3814	"\|RDSEED"
3815	"\|CLFLUSHOPT"
3816	"\|ABM"
3817	"\|SSE4A"
3818	"\|MISALNSSE"
3819	"\|3DNOWPRF"
3820	"\|AXMMX"
3821	"\|SVM"
3822	, "" /pszValidNodes/, "CPUM" /pszWho/, 0 /uInstance/);
3823	if (RT_FAILURE(rc))
3824	return rc;
3825	}
3826
3827	/** @cfgm{/CPUM/IsaExts/CMPXCHG16B, boolean, depends}
3828	* Expose CMPXCHG16B to the guest if supported by the host. For the time
3829	* being the default is to only do this for VMs with nested paging and AMD-V or
3830	* unrestricted guest mode.
3831	*/
3832	rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "CMPXCHG16B", &pConfig->enmCmpXchg16b, fNestedPagingAndFullGuestExec);
3833	AssertLogRelRCReturn(rc, rc);
3834
3835	/** @cfgm{/CPUM/IsaExts/MONITOR, boolean, true}
3836	* Expose MONITOR/MWAIT instructions to the guest.
3837	*/
3838	rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MONITOR", &pConfig->enmMonitor, true);
3839	AssertLogRelRCReturn(rc, rc);
3840
3841	/** @cfgm{/CPUM/IsaExts/MWaitExtensions, boolean, false}
3842	* Expose MWAIT extended features to the guest. For now we expose just MWAIT
3843	* break on interrupt feature (bit 1).
3844	*/
3845	rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "MWaitExtensions", &pConfig->enmMWaitExtensions, false);
3846	AssertLogRelRCReturn(rc, rc);
3847
3848	/** @cfgm{/CPUM/IsaExts/SSE4.1, boolean, true}
3849	* Expose SSE4.1 to the guest if available.
3850	*/
3851	rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.1", &pConfig->enmSse41, true);
3852	AssertLogRelRCReturn(rc, rc);
3853
3854	/** @cfgm{/CPUM/IsaExts/SSE4.2, boolean, true}
3855	* Expose SSE4.2 to the guest if available.
3856	*/
3857	rc = cpumR3CpuIdReadIsaExtCfgLegacy(pVM, pIsaExts, pCpumCfg, "SSE4.2", &pConfig->enmSse42, true);
3858	AssertLogRelRCReturn(rc, rc);
3859
3860	bool const fMayHaveXSave = fNestedPagingAndFullGuestExec
3861	&& pVM->cpum.s.HostFeatures.fXSaveRstor
3862	&& pVM->cpum.s.HostFeatures.fOpSysXSaveRstor
3863	#if HC_ARCH_BITS == 32 /* Seems this may be broken when doing 64-bit on 32-bit, just disable it for now. */
3864	&& !HMIsLongModeAllowed(pVM)
3865	#endif
3866	;
3867	uint64_t const fXStateHostMask = pVM->cpum.s.fXStateHostMask;
3868
3869	/** @cfgm{/CPUM/IsaExts/XSAVE, boolean, depends}
3870	* Expose XSAVE/XRSTOR to the guest if available. For the time being the
3871	* default is to only expose this to VMs with nested paging and AMD-V or
3872	* unrestricted guest execution mode. Not possible to force this one without
3873	* host support at the moment.
3874	*/
3875	rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "XSAVE", &pConfig->enmXSave, fNestedPagingAndFullGuestExec,
3876	fMayHaveXSave /fAllowed/);
3877	AssertLogRelRCReturn(rc, rc);
3878
3879	/** @cfgm{/CPUM/IsaExts/AVX, boolean, depends}
3880	* Expose the AVX instruction set extensions to the guest if available and
3881	* XSAVE is exposed too. For the time being the default is to only expose this
3882	* to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3883	*/
3884	rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX", &pConfig->enmAvx, fNestedPagingAndFullGuestExec,
3885	fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /fAllowed/);
3886	AssertLogRelRCReturn(rc, rc);
3887
3888	/** @cfgm{/CPUM/IsaExts/AVX2, boolean, depends}
3889	* Expose the AVX2 instruction set extensions to the guest if available and
3890	* XSAVE is exposed too. For the time being the default is to only expose this
3891	* to VMs with nested paging and AMD-V or unrestricted guest execution mode.
3892	*/
3893	rc = cpumR3CpuIdReadIsaExtCfgEx(pVM, pIsaExts, "AVX2", &pConfig->enmAvx2, fNestedPagingAndFullGuestExec /* temporarily */,
3894	fMayHaveXSave && pConfig->enmXSave && (fXStateHostMask & XSAVE_C_YMM) /fAllowed/);
3895	AssertLogRelRCReturn(rc, rc);
3896
3897	/** @cfgm{/CPUM/IsaExts/AESNI, isaextcfg, depends}
3898	* Whether to expose the AES instructions to the guest. For the time being the
3899	* default is to only do this for VMs with nested paging and AMD-V or
3900	* unrestricted guest mode.
3901	*/
3902	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AESNI", &pConfig->enmAesNi, fNestedPagingAndFullGuestExec);
3903	AssertLogRelRCReturn(rc, rc);
3904
3905	/** @cfgm{/CPUM/IsaExts/PCLMUL, isaextcfg, depends}
3906	* Whether to expose the PCLMULQDQ instructions to the guest. For the time
3907	* being the default is to only do this for VMs with nested paging and AMD-V or
3908	* unrestricted guest mode.
3909	*/
3910	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "PCLMUL", &pConfig->enmPClMul, fNestedPagingAndFullGuestExec);
3911	AssertLogRelRCReturn(rc, rc);
3912
3913	/** @cfgm{/CPUM/IsaExts/POPCNT, isaextcfg, depends}
3914	* Whether to expose the POPCNT instructions to the guest. For the time
3915	* being the default is to only do this for VMs with nested paging and AMD-V or
3916	* unrestricted guest mode.
3917	*/
3918	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "POPCNT", &pConfig->enmPopCnt, fNestedPagingAndFullGuestExec);
3919	AssertLogRelRCReturn(rc, rc);
3920
3921	/** @cfgm{/CPUM/IsaExts/MOVBE, isaextcfg, depends}
3922	* Whether to expose the MOVBE instructions to the guest. For the time
3923	* being the default is to only do this for VMs with nested paging and AMD-V or
3924	* unrestricted guest mode.
3925	*/
3926	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MOVBE", &pConfig->enmMovBe, fNestedPagingAndFullGuestExec);
3927	AssertLogRelRCReturn(rc, rc);
3928
3929	/** @cfgm{/CPUM/IsaExts/RDRAND, isaextcfg, depends}
3930	* Whether to expose the RDRAND instructions to the guest. For the time being
3931	* the default is to only do this for VMs with nested paging and AMD-V or
3932	* unrestricted guest mode.
3933	*/
3934	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDRAND", &pConfig->enmRdRand, fNestedPagingAndFullGuestExec);
3935	AssertLogRelRCReturn(rc, rc);
3936
3937	/** @cfgm{/CPUM/IsaExts/RDSEED, isaextcfg, depends}
3938	* Whether to expose the RDSEED instructions to the guest. For the time being
3939	* the default is to only do this for VMs with nested paging and AMD-V or
3940	* unrestricted guest mode.
3941	*/
3942	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "RDSEED", &pConfig->enmRdSeed, fNestedPagingAndFullGuestExec);
3943	AssertLogRelRCReturn(rc, rc);
3944
3945	/** @cfgm{/CPUM/IsaExts/CLFLUSHOPT, isaextcfg, depends}
3946	* Whether to expose the CLFLUSHOPT instructions to the guest. For the time
3947	* being the default is to only do this for VMs with nested paging and AMD-V or
3948	* unrestricted guest mode.
3949	*/
3950	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "CLFLUSHOPT", &pConfig->enmCLFlushOpt, fNestedPagingAndFullGuestExec);
3951	AssertLogRelRCReturn(rc, rc);
3952
3953
3954	/* AMD: */
3955
3956	/** @cfgm{/CPUM/IsaExts/ABM, isaextcfg, depends}
3957	* Whether to expose the AMD ABM instructions to the guest. For the time
3958	* being the default is to only do this for VMs with nested paging and AMD-V or
3959	* unrestricted guest mode.
3960	*/
3961	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "ABM", &pConfig->enmAbm, fNestedPagingAndFullGuestExec);
3962	AssertLogRelRCReturn(rc, rc);
3963
3964	/** @cfgm{/CPUM/IsaExts/SSE4A, isaextcfg, depends}
3965	* Whether to expose the AMD SSE4A instructions to the guest. For the time
3966	* being the default is to only do this for VMs with nested paging and AMD-V or
3967	* unrestricted guest mode.
3968	*/
3969	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SSE4A", &pConfig->enmSse4A, fNestedPagingAndFullGuestExec);
3970	AssertLogRelRCReturn(rc, rc);
3971
3972	/** @cfgm{/CPUM/IsaExts/MISALNSSE, isaextcfg, depends}
3973	* Whether to expose the AMD MisAlSse feature (MXCSR flag 17) to the guest. For
3974	* the time being the default is to only do this for VMs with nested paging and
3975	* AMD-V or unrestricted guest mode.
3976	*/
3977	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "MISALNSSE", &pConfig->enmMisAlnSse, fNestedPagingAndFullGuestExec);
3978	AssertLogRelRCReturn(rc, rc);
3979
3980	/** @cfgm{/CPUM/IsaExts/3DNOWPRF, isaextcfg, depends}
3981	* Whether to expose the AMD 3D Now! prefetch instructions to the guest.
3982	* For the time being the default is to only do this for VMs with nested paging
3983	* and AMD-V or unrestricted guest mode.
3984	*/
3985	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "3DNOWPRF", &pConfig->enm3dNowPrf, fNestedPagingAndFullGuestExec);
3986	AssertLogRelRCReturn(rc, rc);
3987
3988	/** @cfgm{/CPUM/IsaExts/AXMMX, isaextcfg, depends}
3989	* Whether to expose the AMD's MMX Extensions to the guest. For the time being
3990	* the default is to only do this for VMs with nested paging and AMD-V or
3991	* unrestricted guest mode.
3992	*/
3993	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "AXMMX", &pConfig->enmAmdExtMmx, fNestedPagingAndFullGuestExec);
3994	AssertLogRelRCReturn(rc, rc);
3995
3996	#ifdef VBOX_WITH_NESTED_HWVIRT
3997	/** @cfgm{/CPUM/IsaExts/SVM, isaextcfg, depends}
3998	* Whether to expose the AMD's hardware virtualization (SVM) instructions to the
3999	* guest. For the time being, the default is to only do this for VMs with nested
4000	* paging and AMD-V.
4001	*/
4002	rc = cpumR3CpuIdReadIsaExtCfg(pVM, pIsaExts, "SVM", &pConfig->enmSvm, fNestedPagingAndFullGuestExec);
4003	AssertLogRelRCReturn(rc, rc);
4004	#endif
4005
4006	return VINF_SUCCESS;
4007	}
4008
4009
4010	/**
4011	* Initializes the emulated CPU's CPUID & MSR information.
4012	*
4013	* @returns VBox status code.
4014	* @param pVM The cross context VM structure.
4015	*/
4016	int cpumR3InitCpuIdAndMsrs(PVM pVM)
4017	{
4018	PCPUM pCpum = &pVM->cpum.s;
4019	PCFGMNODE pCpumCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM");
4020
4021	/*
4022	* Set the fCpuIdApicFeatureVisible flags so the APIC can assume visibility
4023	* on construction and manage everything from here on.
4024	*/
4025	for (VMCPUID iCpu = 0; iCpu < pVM->cCpus; iCpu++)
4026	pVM->aCpus[iCpu].cpum.s.fCpuIdApicFeatureVisible = true;
4027
4028	/*
4029	* Read the configuration.
4030	*/
4031	CPUMCPUIDCONFIG Config;
4032	RT_ZERO(Config);
4033
4034	int rc = cpumR3CpuIdReadConfig(pVM, &Config, pCpumCfg, HMAreNestedPagingAndFullGuestExecEnabled(pVM));
4035	AssertRCReturn(rc, rc);
4036
4037	/*
4038	* Get the guest CPU data from the database and/or the host.
4039	*
4040	* The CPUID and MSRs are currently living on the regular heap to avoid
4041	* fragmenting the hyper heap (and because there isn't/wasn't any realloc
4042	* API for the hyper heap). This means special cleanup considerations.
4043	*/
4044	rc = cpumR3DbGetCpuInfo(Config.szCpuName, &pCpum->GuestInfo);
4045	if (RT_FAILURE(rc))
4046	return rc == VERR_CPUM_DB_CPU_NOT_FOUND
4047	? VMSetError(pVM, rc, RT_SRC_POS,
4048	"Info on guest CPU '%s' could not be found. Please, select a different CPU.", Config.szCpuName)
4049	: rc;
4050
4051	if (pCpum->GuestInfo.fMxCsrMask & ~pVM->cpum.s.fHostMxCsrMask)
4052	{
4053	LogRel(("Stripping unsupported MXCSR bits from guest mask: %#x -> %#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask,
4054	pCpum->GuestInfo.fMxCsrMask & pVM->cpum.s.fHostMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4055	pCpum->GuestInfo.fMxCsrMask &= pVM->cpum.s.fHostMxCsrMask;
4056	}
4057	LogRel(("CPUM: MXCSR_MASK=%#x (host: %#x)\n", pCpum->GuestInfo.fMxCsrMask, pVM->cpum.s.fHostMxCsrMask));
4058
4059	/** @cfgm{/CPUM/MSRs/[Name]/[First\|Last\|Type\|Value\|...],}
4060	* Overrides the guest MSRs.
4061	*/
4062	rc = cpumR3LoadMsrOverrides(pVM, CFGMR3GetChild(pCpumCfg, "MSRs"));
4063
4064	/** @cfgm{/CPUM/HostCPUID/[000000xx\|800000xx\|c000000x]/[eax\|ebx\|ecx\|edx],32-bit}
4065	* Overrides the CPUID leaf values (from the host CPU usually) used for
4066	* calculating the guest CPUID leaves. This can be used to preserve the CPUID
4067	* values when moving a VM to a different machine. Another use is restricting
4068	* (or extending) the feature set exposed to the guest. */
4069	if (RT_SUCCESS(rc))
4070	rc = cpumR3LoadCpuIdOverrides(pVM, CFGMR3GetChild(pCpumCfg, "HostCPUID"), "HostCPUID");
4071
4072	if (RT_SUCCESS(rc) && CFGMR3GetChild(pCpumCfg, "CPUID")) /* 2nd override, now discontinued. */
4073	rc = VMSetError(pVM, VERR_CFGM_CONFIG_UNKNOWN_NODE, RT_SRC_POS,
4074	"Found unsupported configuration node '/CPUM/CPUID/'. "
4075	"Please use IMachine::setCPUIDLeaf() instead.");
4076
4077	/*
4078	* Pre-explode the CPUID info.
4079	*/
4080	if (RT_SUCCESS(rc))
4081	rc = cpumR3CpuIdExplodeFeatures(pCpum->GuestInfo.paCpuIdLeavesR3, pCpum->GuestInfo.cCpuIdLeaves, &pCpum->GuestFeatures);
4082
4083	/*
4084	* Sanitize the cpuid information passed on to the guest.
4085	*/
4086	if (RT_SUCCESS(rc))
4087	{
4088	rc = cpumR3CpuIdSanitize(pVM, pCpum, &Config);
4089	if (RT_SUCCESS(rc))
4090	{
4091	cpumR3CpuIdLimitLeaves(pCpum, &Config);
4092	cpumR3CpuIdLimitIntelFamModStep(pCpum, &Config);
4093	}
4094	}
4095
4096	/*
4097	* MSR fudging.
4098	*/
4099	if (RT_SUCCESS(rc))
4100	{
4101	/** @cfgm{/CPUM/FudgeMSRs, boolean, true}
4102	* Fudges some common MSRs if not present in the selected CPU database entry.
4103	* This is for trying to keep VMs running when moved between different hosts
4104	* and different CPU vendors. */
4105	bool fEnable;
4106	rc = CFGMR3QueryBoolDef(pCpumCfg, "FudgeMSRs", &fEnable, true); AssertRC(rc);
4107	if (RT_SUCCESS(rc) && fEnable)
4108	{
4109	rc = cpumR3MsrApplyFudge(pVM);
4110	AssertLogRelRC(rc);
4111	}
4112	}
4113	if (RT_SUCCESS(rc))
4114	{
4115	/*
4116	* Move the MSR and CPUID arrays over on the hypervisor heap, and explode
4117	* guest CPU features again.
4118	*/
4119	void *pvFree = pCpum->GuestInfo.paCpuIdLeavesR3;
4120	int rc1 = cpumR3CpuIdInstallAndExplodeLeaves(pVM, pCpum, pCpum->GuestInfo.paCpuIdLeavesR3,
4121	pCpum->GuestInfo.cCpuIdLeaves);
4122	RTMemFree(pvFree);
4123
4124	pvFree = pCpum->GuestInfo.paMsrRangesR3;
4125	int rc2 = MMHyperDupMem(pVM, pvFree,
4126	sizeof(pCpum->GuestInfo.paMsrRangesR3[0]) * pCpum->GuestInfo.cMsrRanges, 32,
4127	MM_TAG_CPUM_MSRS, (void **)&pCpum->GuestInfo.paMsrRangesR3);
4128	RTMemFree(pvFree);
4129	AssertLogRelRCReturn(rc1, rc1);
4130	AssertLogRelRCReturn(rc2, rc2);
4131
4132	pCpum->GuestInfo.paMsrRangesR0 = MMHyperR3ToR0(pVM, pCpum->GuestInfo.paMsrRangesR3);
4133	pCpum->GuestInfo.paMsrRangesRC = MMHyperR3ToRC(pVM, pCpum->GuestInfo.paMsrRangesR3);
4134
4135
4136	/*
4137	* Some more configuration that we're applying at the end of everything
4138	* via the CPUMSetGuestCpuIdFeature API.
4139	*/
4140
4141	/* Check if PAE was explicitely enabled by the user. */
4142	bool fEnable;
4143	rc = CFGMR3QueryBoolDef(CFGMR3GetRoot(pVM), "EnablePAE", &fEnable, false);
4144	AssertRCReturn(rc, rc);
4145	if (fEnable)
4146	CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
4147
4148	/* We don't normally enable NX for raw-mode, so give the user a chance to force it on. */
4149	rc = CFGMR3QueryBoolDef(pCpumCfg, "EnableNX", &fEnable, false);
4150	AssertRCReturn(rc, rc);
4151	if (fEnable)
4152	CPUMR3SetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NX);
4153
4154	return VINF_SUCCESS;
4155	}
4156
4157	/*
4158	* Failed before switching to hyper heap.
4159	*/
4160	RTMemFree(pCpum->GuestInfo.paCpuIdLeavesR3);
4161	pCpum->GuestInfo.paCpuIdLeavesR3 = NULL;
4162	RTMemFree(pCpum->GuestInfo.paMsrRangesR3);
4163	pCpum->GuestInfo.paMsrRangesR3 = NULL;
4164	return rc;
4165	}
4166
4167
4168	/**
4169	* Sets a CPUID feature bit during VM initialization.
4170	*
4171	* Since the CPUID feature bits are generally related to CPU features, other
4172	* CPUM configuration like MSRs can also be modified by calls to this API.
4173	*
4174	* @param pVM The cross context VM structure.
4175	* @param enmFeature The feature to set.
4176	*/
4177	VMMR3_INT_DECL(void) CPUMR3SetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4178	{
4179	PCPUMCPUIDLEAF pLeaf;
4180	PCPUMMSRRANGE pMsrRange;
4181
4182	switch (enmFeature)
4183	{
4184	/*
4185	* Set the APIC bit in both feature masks.
4186	*/
4187	case CPUMCPUIDFEATURE_APIC:
4188	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4189	if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4190	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx \|= X86_CPUID_FEATURE_EDX_APIC;
4191
4192	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4193	if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4194	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_AMD_FEATURE_EDX_APIC;
4195
4196	pVM->cpum.s.GuestFeatures.fApic = 1;
4197
4198	/* Make sure we've got the APICBASE MSR present. */
4199	pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4200	if (!pMsrRange)
4201	{
4202	static CPUMMSRRANGE const s_ApicBase =
4203	{
4204	/.uFirst =/ MSR_IA32_APICBASE, /.uLast =/ MSR_IA32_APICBASE,
4205	/.enmRdFn =/ kCpumMsrRdFn_Ia32ApicBase, /.enmWrFn =/ kCpumMsrWrFn_Ia32ApicBase,
4206	/.offCpumCpu =/ UINT16_MAX, /.fReserved =/ 0, /.uValue =/ 0, /.fWrIgnMask =/ 0, /.fWrGpMask =/ 0,
4207	/.szName = / "IA32_APIC_BASE"
4208	};
4209	int rc = CPUMR3MsrRangesInsert(pVM, &s_ApicBase);
4210	AssertLogRelRC(rc);
4211	}
4212
4213	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled xAPIC\n"));
4214	break;
4215
4216	/*
4217	* Set the x2APIC bit in the standard feature mask.
4218	* Note! ASSUMES CPUMCPUIDFEATURE_APIC is called first.
4219	*/
4220	case CPUMCPUIDFEATURE_X2APIC:
4221	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4222	if (pLeaf)
4223	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_X2APIC;
4224	pVM->cpum.s.GuestFeatures.fX2Apic = 1;
4225
4226	/* Make sure the MSR doesn't GP or ignore the EXTD bit. */
4227	pMsrRange = cpumLookupMsrRange(pVM, MSR_IA32_APICBASE);
4228	if (pMsrRange)
4229	{
4230	pMsrRange->fWrGpMask &= ~MSR_IA32_APICBASE_EXTD;
4231	pMsrRange->fWrIgnMask &= ~MSR_IA32_APICBASE_EXTD;
4232	}
4233
4234	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled x2APIC\n"));
4235	break;
4236
4237	/*
4238	* Set the sysenter/sysexit bit in the standard feature mask.
4239	* Assumes the caller knows what it's doing! (host must support these)
4240	*/
4241	case CPUMCPUIDFEATURE_SEP:
4242	if (!pVM->cpum.s.HostFeatures.fSysEnter)
4243	{
4244	AssertMsgFailed(("ERROR: Can't turn on SEP when the host doesn't support it!!\n"));
4245	return;
4246	}
4247
4248	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4249	if (pLeaf)
4250	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx \|= X86_CPUID_FEATURE_EDX_SEP;
4251	pVM->cpum.s.GuestFeatures.fSysEnter = 1;
4252	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSENTER/EXIT\n"));
4253	break;
4254
4255	/*
4256	* Set the syscall/sysret bit in the extended feature mask.
4257	* Assumes the caller knows what it's doing! (host must support these)
4258	*/
4259	case CPUMCPUIDFEATURE_SYSCALL:
4260	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4261	if ( !pLeaf
4262	\|\| !pVM->cpum.s.HostFeatures.fSysCall)
4263	{
4264	#if HC_ARCH_BITS == 32
4265	/* X86_CPUID_EXT_FEATURE_EDX_SYSCALL not set it seems in 32-bit
4266	mode by Intel, even when the cpu is capable of doing so in
4267	64-bit mode. Long mode requires syscall support. */
4268	if (!pVM->cpum.s.HostFeatures.fLongMode)
4269	#endif
4270	{
4271	LogRel(("CPUM: WARNING! Can't turn on SYSCALL/SYSRET when the host doesn't support it!\n"));
4272	return;
4273	}
4274	}
4275
4276	/* Valid for both Intel and AMD CPUs, although only in 64 bits mode for Intel. */
4277	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_EXT_FEATURE_EDX_SYSCALL;
4278	pVM->cpum.s.GuestFeatures.fSysCall = 1;
4279	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled SYSCALL/RET\n"));
4280	break;
4281
4282	/*
4283	* Set the PAE bit in both feature masks.
4284	* Assumes the caller knows what it's doing! (host must support these)
4285	*/
4286	case CPUMCPUIDFEATURE_PAE:
4287	if (!pVM->cpum.s.HostFeatures.fPae)
4288	{
4289	LogRel(("CPUM: WARNING! Can't turn on PAE when the host doesn't support it!\n"));
4290	return;
4291	}
4292
4293	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4294	if (pLeaf)
4295	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx \|= X86_CPUID_FEATURE_EDX_PAE;
4296
4297	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4298	if ( pLeaf
4299	&& pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4300	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_AMD_FEATURE_EDX_PAE;
4301
4302	pVM->cpum.s.GuestFeatures.fPae = 1;
4303	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAE\n"));
4304	break;
4305
4306	/*
4307	* Set the LONG MODE bit in the extended feature mask.
4308	* Assumes the caller knows what it's doing! (host must support these)
4309	*/
4310	case CPUMCPUIDFEATURE_LONG_MODE:
4311	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4312	if ( !pLeaf
4313	\|\| !pVM->cpum.s.HostFeatures.fLongMode)
4314	{
4315	LogRel(("CPUM: WARNING! Can't turn on LONG MODE when the host doesn't support it!\n"));
4316	return;
4317	}
4318
4319	/* Valid for both Intel and AMD. */
4320	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4321	pVM->cpum.s.GuestFeatures.fLongMode = 1;
4322	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LONG MODE\n"));
4323	break;
4324
4325	/*
4326	* Set the NX/XD bit in the extended feature mask.
4327	* Assumes the caller knows what it's doing! (host must support these)
4328	*/
4329	case CPUMCPUIDFEATURE_NX:
4330	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4331	if ( !pLeaf
4332	\|\| !pVM->cpum.s.HostFeatures.fNoExecute)
4333	{
4334	LogRel(("CPUM: WARNING! Can't turn on NX/XD when the host doesn't support it!\n"));
4335	return;
4336	}
4337
4338	/* Valid for both Intel and AMD. */
4339	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_EXT_FEATURE_EDX_NX;
4340	pVM->cpum.s.GuestFeatures.fNoExecute = 1;
4341	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled NX\n"));
4342	break;
4343
4344
4345	/*
4346	* Set the LAHF/SAHF support in 64-bit mode.
4347	* Assumes the caller knows what it's doing! (host must support this)
4348	*/
4349	case CPUMCPUIDFEATURE_LAHF:
4350	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4351	if ( !pLeaf
4352	\|\| !pVM->cpum.s.HostFeatures.fLahfSahf)
4353	{
4354	LogRel(("CPUM: WARNING! Can't turn on LAHF/SAHF when the host doesn't support it!\n"));
4355	return;
4356	}
4357
4358	/* Valid for both Intel and AMD. */
4359	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx \|= X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4360	pVM->cpum.s.GuestFeatures.fLahfSahf = 1;
4361	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled LAHF/SAHF\n"));
4362	break;
4363
4364	/*
4365	* Set the page attribute table bit. This is alternative page level
4366	* cache control that doesn't much matter when everything is
4367	* virtualized, though it may when passing thru device memory.
4368	*/
4369	case CPUMCPUIDFEATURE_PAT:
4370	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4371	if (pLeaf)
4372	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx \|= X86_CPUID_FEATURE_EDX_PAT;
4373
4374	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4375	if ( pLeaf
4376	&& pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4377	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_AMD_FEATURE_EDX_PAT;
4378
4379	pVM->cpum.s.GuestFeatures.fPat = 1;
4380	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled PAT\n"));
4381	break;
4382
4383	/*
4384	* Set the RDTSCP support bit.
4385	* Assumes the caller knows what it's doing! (host must support this)
4386	*/
4387	case CPUMCPUIDFEATURE_RDTSCP:
4388	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4389	if ( !pLeaf
4390	\|\| !pVM->cpum.s.HostFeatures.fRdTscP
4391	\|\| pVM->cpum.s.u8PortableCpuIdLevel > 0)
4392	{
4393	if (!pVM->cpum.s.u8PortableCpuIdLevel)
4394	LogRel(("CPUM: WARNING! Can't turn on RDTSCP when the host doesn't support it!\n"));
4395	return;
4396	}
4397
4398	/* Valid for both Intel and AMD. */
4399	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx \|= X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4400	pVM->cpum.s.HostFeatures.fRdTscP = 1;
4401	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled RDTSCP.\n"));
4402	break;
4403
4404	/*
4405	* Set the Hypervisor Present bit in the standard feature mask.
4406	*/
4407	case CPUMCPUIDFEATURE_HVP:
4408	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4409	if (pLeaf)
4410	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx \|= X86_CPUID_FEATURE_ECX_HVP;
4411	pVM->cpum.s.GuestFeatures.fHypervisorPresent = 1;
4412	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled Hypervisor Present bit\n"));
4413	break;
4414
4415	/*
4416	* Set the MWAIT Extensions Present bit in the MWAIT/MONITOR leaf.
4417	* This currently includes the Present bit and MWAITBREAK bit as well.
4418	*/
4419	case CPUMCPUIDFEATURE_MWAIT_EXTS:
4420	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4421	if ( !pLeaf
4422	\|\| !pVM->cpum.s.HostFeatures.fMWaitExtensions)
4423	{
4424	LogRel(("CPUM: WARNING! Can't turn on MWAIT Extensions when the host doesn't support it!\n"));
4425	return;
4426	}
4427
4428	/* Valid for both Intel and AMD. */
4429	pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx \|= X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0;
4430	pVM->cpum.s.GuestFeatures.fMWaitExtensions = 1;
4431	LogRel(("CPUM: SetGuestCpuIdFeature: Enabled MWAIT Extensions.\n"));
4432	break;
4433
4434	default:
4435	AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4436	break;
4437	}
4438
4439	/** @todo can probably kill this as this API is now init time only... */
4440	for (VMCPUID i = 0; i < pVM->cCpus; i++)
4441	{
4442	PVMCPU pVCpu = &pVM->aCpus[i];
4443	pVCpu->cpum.s.fChanged \|= CPUM_CHANGED_CPUID;
4444	}
4445	}
4446
4447
4448	/**
4449	* Queries a CPUID feature bit.
4450	*
4451	* @returns boolean for feature presence
4452	* @param pVM The cross context VM structure.
4453	* @param enmFeature The feature to query.
4454	* @deprecated Use the cpum.ro.GuestFeatures directly instead.
4455	*/
4456	VMMR3_INT_DECL(bool) CPUMR3GetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4457	{
4458	switch (enmFeature)
4459	{
4460	case CPUMCPUIDFEATURE_APIC: return pVM->cpum.s.GuestFeatures.fApic;
4461	case CPUMCPUIDFEATURE_X2APIC: return pVM->cpum.s.GuestFeatures.fX2Apic;
4462	case CPUMCPUIDFEATURE_SYSCALL: return pVM->cpum.s.GuestFeatures.fSysCall;
4463	case CPUMCPUIDFEATURE_SEP: return pVM->cpum.s.GuestFeatures.fSysEnter;
4464	case CPUMCPUIDFEATURE_PAE: return pVM->cpum.s.GuestFeatures.fPae;
4465	case CPUMCPUIDFEATURE_NX: return pVM->cpum.s.GuestFeatures.fNoExecute;
4466	case CPUMCPUIDFEATURE_LAHF: return pVM->cpum.s.GuestFeatures.fLahfSahf;
4467	case CPUMCPUIDFEATURE_LONG_MODE: return pVM->cpum.s.GuestFeatures.fLongMode;
4468	case CPUMCPUIDFEATURE_PAT: return pVM->cpum.s.GuestFeatures.fPat;
4469	case CPUMCPUIDFEATURE_RDTSCP: return pVM->cpum.s.GuestFeatures.fRdTscP;
4470	case CPUMCPUIDFEATURE_HVP: return pVM->cpum.s.GuestFeatures.fHypervisorPresent;
4471	case CPUMCPUIDFEATURE_MWAIT_EXTS: return pVM->cpum.s.GuestFeatures.fMWaitExtensions;
4472
4473	case CPUMCPUIDFEATURE_INVALID:
4474	case CPUMCPUIDFEATURE_32BIT_HACK:
4475	break;
4476	}
4477	AssertFailed();
4478	return false;
4479	}
4480
4481
4482	/**
4483	* Clears a CPUID feature bit.
4484	*
4485	* @param pVM The cross context VM structure.
4486	* @param enmFeature The feature to clear.
4487	*
4488	* @deprecated Probably better to default the feature to disabled and only allow
4489	* setting (enabling) it during construction.
4490	*/
4491	VMMR3_INT_DECL(void) CPUMR3ClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature)
4492	{
4493	PCPUMCPUIDLEAF pLeaf;
4494	switch (enmFeature)
4495	{
4496	case CPUMCPUIDFEATURE_APIC:
4497	Assert(!pVM->cpum.s.GuestFeatures.fApic); /* We only expect this call during init. No MSR adjusting needed. */
4498	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4499	if (pLeaf)
4500	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_APIC;
4501
4502	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4503	if (pLeaf && (pLeaf->fFlags & CPUMCPUIDLEAF_F_CONTAINS_APIC))
4504	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_APIC;
4505
4506	pVM->cpum.s.GuestFeatures.fApic = 0;
4507	Log(("CPUM: ClearGuestCpuIdFeature: Disabled xAPIC\n"));
4508	break;
4509
4510	case CPUMCPUIDFEATURE_X2APIC:
4511	Assert(!pVM->cpum.s.GuestFeatures.fX2Apic); /* We only expect this call during init. No MSR adjusting needed. */
4512	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4513	if (pLeaf)
4514	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_X2APIC;
4515	pVM->cpum.s.GuestFeatures.fX2Apic = 0;
4516	Log(("CPUM: ClearGuestCpuIdFeature: Disabled x2APIC\n"));
4517	break;
4518
4519	case CPUMCPUIDFEATURE_PAE:
4520	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4521	if (pLeaf)
4522	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAE;
4523
4524	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4525	if ( pLeaf
4526	&& pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4527	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAE;
4528
4529	pVM->cpum.s.GuestFeatures.fPae = 0;
4530	Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAE!\n"));
4531	break;
4532
4533	case CPUMCPUIDFEATURE_PAT:
4534	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4535	if (pLeaf)
4536	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_FEATURE_EDX_PAT;
4537
4538	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4539	if ( pLeaf
4540	&& pVM->cpum.s.GuestFeatures.enmCpuVendor == CPUMCPUVENDOR_AMD)
4541	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_AMD_FEATURE_EDX_PAT;
4542
4543	pVM->cpum.s.GuestFeatures.fPat = 0;
4544	Log(("CPUM: ClearGuestCpuIdFeature: Disabled PAT!\n"));
4545	break;
4546
4547	case CPUMCPUIDFEATURE_LONG_MODE:
4548	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4549	if (pLeaf)
4550	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_LONG_MODE;
4551	pVM->cpum.s.GuestFeatures.fLongMode = 0;
4552	break;
4553
4554	case CPUMCPUIDFEATURE_LAHF:
4555	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4556	if (pLeaf)
4557	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF;
4558	pVM->cpum.s.GuestFeatures.fLahfSahf = 0;
4559	break;
4560
4561	case CPUMCPUIDFEATURE_RDTSCP:
4562	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x80000001));
4563	if (pLeaf)
4564	pVM->cpum.s.aGuestCpuIdPatmExt[1].uEdx = pLeaf->uEdx &= ~X86_CPUID_EXT_FEATURE_EDX_RDTSCP;
4565	pVM->cpum.s.GuestFeatures.fRdTscP = 0;
4566	Log(("CPUM: ClearGuestCpuIdFeature: Disabled RDTSCP!\n"));
4567	break;
4568
4569	case CPUMCPUIDFEATURE_HVP:
4570	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000001));
4571	if (pLeaf)
4572	pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx = pLeaf->uEcx &= ~X86_CPUID_FEATURE_ECX_HVP;
4573	pVM->cpum.s.GuestFeatures.fHypervisorPresent = 0;
4574	break;
4575
4576	case CPUMCPUIDFEATURE_MWAIT_EXTS:
4577	pLeaf = cpumCpuIdGetLeaf(pVM, UINT32_C(0x00000005));
4578	if (pLeaf)
4579	pVM->cpum.s.aGuestCpuIdPatmStd[5].uEcx = pLeaf->uEcx &= ~(X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
4580	pVM->cpum.s.GuestFeatures.fMWaitExtensions = 0;
4581	Log(("CPUM: ClearGuestCpuIdFeature: Disabled MWAIT Extensions!\n"));
4582	break;
4583
4584	default:
4585	AssertMsgFailed(("enmFeature=%d\n", enmFeature));
4586	break;
4587	}
4588
4589	for (VMCPUID i = 0; i < pVM->cCpus; i++)
4590	{
4591	PVMCPU pVCpu = &pVM->aCpus[i];
4592	pVCpu->cpum.s.fChanged \|= CPUM_CHANGED_CPUID;
4593	}
4594	}
4595
4596
4597
4598	/*
4599	*
4600	*
4601	* Saved state related code.
4602	* Saved state related code.
4603	* Saved state related code.
4604	*
4605	*
4606	*/
4607
4608	/**
4609	* Called both in pass 0 and the final pass.
4610	*
4611	* @param pVM The cross context VM structure.
4612	* @param pSSM The saved state handle.
4613	*/
4614	void cpumR3SaveCpuId(PVM pVM, PSSMHANDLE pSSM)
4615	{
4616	/*
4617	* Save all the CPU ID leaves.
4618	*/
4619	SSMR3PutU32(pSSM, sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]));
4620	SSMR3PutU32(pSSM, pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4621	SSMR3PutMem(pSSM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3,
4622	sizeof(pVM->cpum.s.GuestInfo.paCpuIdLeavesR3[0]) * pVM->cpum.s.GuestInfo.cCpuIdLeaves);
4623
4624	SSMR3PutMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
4625
4626	/*
4627	* Save a good portion of the raw CPU IDs as well as they may come in
4628	* handy when validating features for raw mode.
4629	*/
4630	CPUMCPUID aRawStd[16];
4631	for (unsigned i = 0; i < RT_ELEMENTS(aRawStd); i++)
4632	ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4633	SSMR3PutU32(pSSM, RT_ELEMENTS(aRawStd));
4634	SSMR3PutMem(pSSM, &aRawStd[0], sizeof(aRawStd));
4635
4636	CPUMCPUID aRawExt[32];
4637	for (unsigned i = 0; i < RT_ELEMENTS(aRawExt); i++)
4638	ASMCpuIdExSlow(i \| UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4639	SSMR3PutU32(pSSM, RT_ELEMENTS(aRawExt));
4640	SSMR3PutMem(pSSM, &aRawExt[0], sizeof(aRawExt));
4641	}
4642
4643
4644	static int cpumR3LoadOneOldGuestCpuIdArray(PSSMHANDLE pSSM, uint32_t uBase, PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves)
4645	{
4646	uint32_t cCpuIds;
4647	int rc = SSMR3GetU32(pSSM, &cCpuIds);
4648	if (RT_SUCCESS(rc))
4649	{
4650	if (cCpuIds < 64)
4651	{
4652	for (uint32_t i = 0; i < cCpuIds; i++)
4653	{
4654	CPUMCPUID CpuId;
4655	rc = SSMR3GetMem(pSSM, &CpuId, sizeof(CpuId));
4656	if (RT_FAILURE(rc))
4657	break;
4658
4659	CPUMCPUIDLEAF NewLeaf;
4660	NewLeaf.uLeaf = uBase + i;
4661	NewLeaf.uSubLeaf = 0;
4662	NewLeaf.fSubLeafMask = 0;
4663	NewLeaf.uEax = CpuId.uEax;
4664	NewLeaf.uEbx = CpuId.uEbx;
4665	NewLeaf.uEcx = CpuId.uEcx;
4666	NewLeaf.uEdx = CpuId.uEdx;
4667	NewLeaf.fFlags = 0;
4668	rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &NewLeaf);
4669	}
4670	}
4671	else
4672	rc = VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4673	}
4674	if (RT_FAILURE(rc))
4675	{
4676	RTMemFree(*ppaLeaves);
4677	*ppaLeaves = NULL;
4678	*pcLeaves = 0;
4679	}
4680	return rc;
4681	}
4682
4683
4684	static int cpumR3LoadGuestCpuIdArray(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves)
4685	{
4686	*ppaLeaves = NULL;
4687	*pcLeaves = 0;
4688
4689	int rc;
4690	if (uVersion > CPUM_SAVED_STATE_VERSION_PUT_STRUCT)
4691	{
4692	/*
4693	* The new format. Starts by declaring the leave size and count.
4694	*/
4695	uint32_t cbLeaf;
4696	SSMR3GetU32(pSSM, &cbLeaf);
4697	uint32_t cLeaves;
4698	rc = SSMR3GetU32(pSSM, &cLeaves);
4699	if (RT_SUCCESS(rc))
4700	{
4701	if (cbLeaf == sizeof(**ppaLeaves))
4702	{
4703	if (cLeaves <= CPUM_CPUID_MAX_LEAVES)
4704	{
4705	/*
4706	* Load the leaves one by one.
4707	*
4708	* The uPrev stuff is a kludge for working around a week worth of bad saved
4709	* states during the CPUID revamp in March 2015. We saved too many leaves
4710	* due to a bug in cpumR3CpuIdInstallAndExplodeLeaves, thus ending up with
4711	* garbage entires at the end of the array when restoring. We also had
4712	* a subleaf insertion bug that triggered with the leaf 4 stuff below,
4713	* this kludge doesn't deal correctly with that, but who cares...
4714	*/
4715	uint32_t uPrev = 0;
4716	for (uint32_t i = 0; i < cLeaves && RT_SUCCESS(rc); i++)
4717	{
4718	CPUMCPUIDLEAF Leaf;
4719	rc = SSMR3GetMem(pSSM, &Leaf, sizeof(Leaf));
4720	if (RT_SUCCESS(rc))
4721	{
4722	if ( uVersion != CPUM_SAVED_STATE_VERSION_BAD_CPUID_COUNT
4723	\|\| Leaf.uLeaf >= uPrev)
4724	{
4725	rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4726	uPrev = Leaf.uLeaf;
4727	}
4728	else
4729	uPrev = UINT32_MAX;
4730	}
4731	}
4732	}
4733	else
4734	rc = SSMR3SetLoadError(pSSM, VERR_TOO_MANY_CPUID_LEAVES, RT_SRC_POS,
4735	"Too many CPUID leaves: %#x, max %#x", cLeaves, CPUM_CPUID_MAX_LEAVES);
4736	}
4737	else
4738	rc = SSMR3SetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
4739	"CPUMCPUIDLEAF size differs: saved=%#x, our=%#x", cbLeaf, sizeof(**ppaLeaves));
4740	}
4741	}
4742	else
4743	{
4744	/*
4745	* The old format with its three inflexible arrays.
4746	*/
4747	rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x00000000), ppaLeaves, pcLeaves);
4748	if (RT_SUCCESS(rc))
4749	rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0x80000000), ppaLeaves, pcLeaves);
4750	if (RT_SUCCESS(rc))
4751	rc = cpumR3LoadOneOldGuestCpuIdArray(pSSM, UINT32_C(0xc0000000), ppaLeaves, pcLeaves);
4752	if (RT_SUCCESS(rc))
4753	{
4754	/*
4755	* Fake up leaf 4 on intel like we used to do in CPUMGetGuestCpuId earlier.
4756	*/
4757	PCPUMCPUIDLEAF pLeaf = cpumR3CpuIdGetLeaf(ppaLeaves, pcLeaves, 0, 0);
4758	if ( pLeaf
4759	&& ASMIsIntelCpuEx(pLeaf->uEbx, pLeaf->uEcx, pLeaf->uEdx))
4760	{
4761	CPUMCPUIDLEAF Leaf;
4762	Leaf.uLeaf = 4;
4763	Leaf.fSubLeafMask = UINT32_MAX;
4764	Leaf.uSubLeaf = 0;
4765	Leaf.uEdx = UINT32_C(0); /* 3 flags, 0 is fine. */
4766	Leaf.uEcx = UINT32_C(63); /* sets - 1 */
4767	Leaf.uEbx = (UINT32_C(7) << 22) /* associativity -1 */
4768	\| (UINT32_C(0) << 12) /* phys line partitions - 1 */
4769	\| UINT32_C(63); /* system coherency line size - 1 */
4770	Leaf.uEax = (RT_MIN(pVM->cCpus - 1, UINT32_C(0x3f)) << 26) /* cores per package - 1 */
4771	\| (UINT32_C(0) << 14) /* threads per cache - 1 */
4772	\| (UINT32_C(1) << 5) /* cache level */
4773	\| UINT32_C(1); /* cache type (data) */
4774	Leaf.fFlags = 0;
4775	rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4776	if (RT_SUCCESS(rc))
4777	{
4778	Leaf.uSubLeaf = 1; /* Should've been cache type 2 (code), but buggy code made it data. */
4779	rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4780	}
4781	if (RT_SUCCESS(rc))
4782	{
4783	Leaf.uSubLeaf = 2; /* Should've been cache type 3 (unified), but buggy code made it data. */
4784	Leaf.uEcx = 4095; /* sets - 1 */
4785	Leaf.uEbx &= UINT32_C(0x003fffff); /* associativity - 1 */
4786	Leaf.uEbx \|= UINT32_C(23) << 22;
4787	Leaf.uEax &= UINT32_C(0xfc003fff); /* threads per cache - 1 */
4788	Leaf.uEax \|= RT_MIN(pVM->cCpus - 1, UINT32_C(0xfff)) << 14;
4789	Leaf.uEax &= UINT32_C(0xffffff1f); /* level */
4790	Leaf.uEax \|= UINT32_C(2) << 5;
4791	rc = cpumR3CpuIdInsert(NULL /* pVM */, ppaLeaves, pcLeaves, &Leaf);
4792	}
4793	}
4794	}
4795	}
4796	return rc;
4797	}
4798
4799
4800	/**
4801	* Loads the CPU ID leaves saved by pass 0, inner worker.
4802	*
4803	* @returns VBox status code.
4804	* @param pVM The cross context VM structure.
4805	* @param pSSM The saved state handle.
4806	* @param uVersion The format version.
4807	* @param paLeaves Guest CPUID leaves loaded from the state.
4808	* @param cLeaves The number of leaves in @a paLeaves.
4809	*/
4810	int cpumR3LoadCpuIdInner(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
4811	{
4812	AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
4813
4814	/*
4815	* Continue loading the state into stack buffers.
4816	*/
4817	CPUMCPUID GuestDefCpuId;
4818	int rc = SSMR3GetMem(pSSM, &GuestDefCpuId, sizeof(GuestDefCpuId));
4819	AssertRCReturn(rc, rc);
4820
4821	CPUMCPUID aRawStd[16];
4822	uint32_t cRawStd;
4823	rc = SSMR3GetU32(pSSM, &cRawStd); AssertRCReturn(rc, rc);
4824	if (cRawStd > RT_ELEMENTS(aRawStd))
4825	return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4826	rc = SSMR3GetMem(pSSM, &aRawStd[0], cRawStd * sizeof(aRawStd[0]));
4827	AssertRCReturn(rc, rc);
4828	for (uint32_t i = cRawStd; i < RT_ELEMENTS(aRawStd); i++)
4829	ASMCpuIdExSlow(i, 0, 0, 0, &aRawStd[i].uEax, &aRawStd[i].uEbx, &aRawStd[i].uEcx, &aRawStd[i].uEdx);
4830
4831	CPUMCPUID aRawExt[32];
4832	uint32_t cRawExt;
4833	rc = SSMR3GetU32(pSSM, &cRawExt); AssertRCReturn(rc, rc);
4834	if (cRawExt > RT_ELEMENTS(aRawExt))
4835	return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
4836	rc = SSMR3GetMem(pSSM, &aRawExt[0], cRawExt * sizeof(aRawExt[0]));
4837	AssertRCReturn(rc, rc);
4838	for (uint32_t i = cRawExt; i < RT_ELEMENTS(aRawExt); i++)
4839	ASMCpuIdExSlow(i \| UINT32_C(0x80000000), 0, 0, 0, &aRawExt[i].uEax, &aRawExt[i].uEbx, &aRawExt[i].uEcx, &aRawExt[i].uEdx);
4840
4841	/*
4842	* Get the raw CPU IDs for the current host.
4843	*/
4844	CPUMCPUID aHostRawStd[16];
4845	for (unsigned i = 0; i < RT_ELEMENTS(aHostRawStd); i++)
4846	ASMCpuIdExSlow(i, 0, 0, 0, &aHostRawStd[i].uEax, &aHostRawStd[i].uEbx, &aHostRawStd[i].uEcx, &aHostRawStd[i].uEdx);
4847
4848	CPUMCPUID aHostRawExt[32];
4849	for (unsigned i = 0; i < RT_ELEMENTS(aHostRawExt); i++)
4850	ASMCpuIdExSlow(i \| UINT32_C(0x80000000), 0, 0, 0,
4851	&aHostRawExt[i].uEax, &aHostRawExt[i].uEbx, &aHostRawExt[i].uEcx, &aHostRawExt[i].uEdx);
4852
4853	/*
4854	* Get the host and guest overrides so we don't reject the state because
4855	* some feature was enabled thru these interfaces.
4856	* Note! We currently only need the feature leaves, so skip rest.
4857	*/
4858	PCFGMNODE pOverrideCfg = CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM/HostCPUID");
4859	CPUMCPUID aHostOverrideStd[2];
4860	memcpy(&aHostOverrideStd[0], &aHostRawStd[0], sizeof(aHostOverrideStd));
4861	cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x00000000), &aHostOverrideStd[0], RT_ELEMENTS(aHostOverrideStd), pOverrideCfg);
4862
4863	CPUMCPUID aHostOverrideExt[2];
4864	memcpy(&aHostOverrideExt[0], &aHostRawExt[0], sizeof(aHostOverrideExt));
4865	cpumR3CpuIdInitLoadOverrideSet(UINT32_C(0x80000000), &aHostOverrideExt[0], RT_ELEMENTS(aHostOverrideExt), pOverrideCfg);
4866
4867	/*
4868	* This can be skipped.
4869	*/
4870	bool fStrictCpuIdChecks;
4871	CFGMR3QueryBoolDef(CFGMR3GetChild(CFGMR3GetRoot(pVM), "CPUM"), "StrictCpuIdChecks", &fStrictCpuIdChecks, true);
4872
4873	/*
4874	* Define a bunch of macros for simplifying the santizing/checking code below.
4875	*/
4876	/* Generic expression + failure message. */
4877	#define CPUID_CHECK_RET(expr, fmt) \
4878	do { \
4879	if (!(expr)) \
4880	{ \
4881	char pszMsg = RTStrAPrintf2 fmt; / lack of variadic macros sucks */ \
4882	if (fStrictCpuIdChecks) \
4883	{ \
4884	int rcCpuid = SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, "%s", pszMsg); \
4885	RTStrFree(pszMsg); \
4886	return rcCpuid; \
4887	} \
4888	LogRel(("CPUM: %s\n", pszMsg)); \
4889	RTStrFree(pszMsg); \
4890	} \
4891	} while (0)
4892	#define CPUID_CHECK_WRN(expr, fmt) \
4893	do { \
4894	if (!(expr)) \
4895	LogRel(fmt); \
4896	} while (0)
4897
4898	/* For comparing two values and bitch if they differs. */
4899	#define CPUID_CHECK2_RET(what, host, saved) \
4900	do { \
4901	if ((host) != (saved)) \
4902	{ \
4903	if (fStrictCpuIdChecks) \
4904	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4905	N_(#what " mismatch: host=%#x saved=%#x"), (host), (saved)); \
4906	LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
4907	} \
4908	} while (0)
4909	#define CPUID_CHECK2_WRN(what, host, saved) \
4910	do { \
4911	if ((host) != (saved)) \
4912	LogRel(("CPUM: " #what " differs: host=%#x saved=%#x\n", (host), (saved))); \
4913	} while (0)
4914
4915	/* For checking raw cpu features (raw mode). */
4916	#define CPUID_RAW_FEATURE_RET(set, reg, bit) \
4917	do { \
4918	if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
4919	{ \
4920	if (fStrictCpuIdChecks) \
4921	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4922	N_(#bit " mismatch: host=%d saved=%d"), \
4923	!!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) ); \
4924	LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
4925	!!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
4926	} \
4927	} while (0)
4928	#define CPUID_RAW_FEATURE_WRN(set, reg, bit) \
4929	do { \
4930	if ((aHostRaw##set [1].reg & bit) != (aRaw##set [1].reg & bit)) \
4931	LogRel(("CPUM: " #bit" differs: host=%d saved=%d\n", \
4932	!!(aHostRaw##set [1].reg & (bit)), !!(aRaw##set [1].reg & (bit)) )); \
4933	} while (0)
4934	#define CPUID_RAW_FEATURE_IGN(set, reg, bit) do { } while (0)
4935
4936	/* For checking guest features. */
4937	#define CPUID_GST_FEATURE_RET(set, reg, bit) \
4938	do { \
4939	if ( (aGuestCpuId##set [1].reg & bit) \
4940	&& !(aHostRaw##set [1].reg & bit) \
4941	&& !(aHostOverride##set [1].reg & bit) \
4942	) \
4943	{ \
4944	if (fStrictCpuIdChecks) \
4945	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4946	N_(#bit " is not supported by the host but has already exposed to the guest")); \
4947	LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4948	} \
4949	} while (0)
4950	#define CPUID_GST_FEATURE_WRN(set, reg, bit) \
4951	do { \
4952	if ( (aGuestCpuId##set [1].reg & bit) \
4953	&& !(aHostRaw##set [1].reg & bit) \
4954	&& !(aHostOverride##set [1].reg & bit) \
4955	) \
4956	LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4957	} while (0)
4958	#define CPUID_GST_FEATURE_EMU(set, reg, bit) \
4959	do { \
4960	if ( (aGuestCpuId##set [1].reg & bit) \
4961	&& !(aHostRaw##set [1].reg & bit) \
4962	&& !(aHostOverride##set [1].reg & bit) \
4963	) \
4964	LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
4965	} while (0)
4966	#define CPUID_GST_FEATURE_IGN(set, reg, bit) do { } while (0)
4967
4968	/* For checking guest features if AMD guest CPU. */
4969	#define CPUID_GST_AMD_FEATURE_RET(set, reg, bit) \
4970	do { \
4971	if ( (aGuestCpuId##set [1].reg & bit) \
4972	&& fGuestAmd \
4973	&& (!fGuestAmd \|\| !(aHostRaw##set [1].reg & bit)) \
4974	&& !(aHostOverride##set [1].reg & bit) \
4975	) \
4976	{ \
4977	if (fStrictCpuIdChecks) \
4978	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
4979	N_(#bit " is not supported by the host but has already exposed to the guest")); \
4980	LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4981	} \
4982	} while (0)
4983	#define CPUID_GST_AMD_FEATURE_WRN(set, reg, bit) \
4984	do { \
4985	if ( (aGuestCpuId##set [1].reg & bit) \
4986	&& fGuestAmd \
4987	&& (!fGuestAmd \|\| !(aHostRaw##set [1].reg & bit)) \
4988	&& !(aHostOverride##set [1].reg & bit) \
4989	) \
4990	LogRel(("CPUM: " #bit " is not supported by the host but has already exposed to the guest\n")); \
4991	} while (0)
4992	#define CPUID_GST_AMD_FEATURE_EMU(set, reg, bit) \
4993	do { \
4994	if ( (aGuestCpuId##set [1].reg & bit) \
4995	&& fGuestAmd \
4996	&& (!fGuestAmd \|\| !(aHostRaw##set [1].reg & bit)) \
4997	&& !(aHostOverride##set [1].reg & bit) \
4998	) \
4999	LogRel(("CPUM: Warning - " #bit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5000	} while (0)
5001	#define CPUID_GST_AMD_FEATURE_IGN(set, reg, bit) do { } while (0)
5002
5003	/* For checking AMD features which have a corresponding bit in the standard
5004	range. (Intel defines very few bits in the extended feature sets.) */
5005	#define CPUID_GST_FEATURE2_RET(reg, ExtBit, StdBit) \
5006	do { \
5007	if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5008	&& !(fHostAmd \
5009	? aHostRawExt[1].reg & (ExtBit) \
5010	: aHostRawStd[1].reg & (StdBit)) \
5011	&& !(aHostOverrideExt[1].reg & (ExtBit)) \
5012	) \
5013	{ \
5014	if (fStrictCpuIdChecks) \
5015	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS, \
5016	N_(#ExtBit " is not supported by the host but has already exposed to the guest")); \
5017	LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5018	} \
5019	} while (0)
5020	#define CPUID_GST_FEATURE2_WRN(reg, ExtBit, StdBit) \
5021	do { \
5022	if ( (aGuestCpuId[1].reg & (ExtBit)) \
5023	&& !(fHostAmd \
5024	? aHostRawExt[1].reg & (ExtBit) \
5025	: aHostRawStd[1].reg & (StdBit)) \
5026	&& !(aHostOverrideExt[1].reg & (ExtBit)) \
5027	) \
5028	LogRel(("CPUM: " #ExtBit " is not supported by the host but has already exposed to the guest\n")); \
5029	} while (0)
5030	#define CPUID_GST_FEATURE2_EMU(reg, ExtBit, StdBit) \
5031	do { \
5032	if ( (aGuestCpuIdExt [1].reg & (ExtBit)) \
5033	&& !(fHostAmd \
5034	? aHostRawExt[1].reg & (ExtBit) \
5035	: aHostRawStd[1].reg & (StdBit)) \
5036	&& !(aHostOverrideExt[1].reg & (ExtBit)) \
5037	) \
5038	LogRel(("CPUM: Warning - " #ExtBit " is not supported by the host but already exposed to the guest. This may impact performance.\n")); \
5039	} while (0)
5040	#define CPUID_GST_FEATURE2_IGN(reg, ExtBit, StdBit) do { } while (0)
5041
5042	/*
5043	* For raw-mode we'll require that the CPUs are very similar since we don't
5044	* intercept CPUID instructions for user mode applications.
5045	*/
5046	if (!HMIsEnabled(pVM))
5047	{
5048	/* CPUID(0) */
5049	CPUID_CHECK_RET( aHostRawStd[0].uEbx == aRawStd[0].uEbx
5050	&& aHostRawStd[0].uEcx == aRawStd[0].uEcx
5051	&& aHostRawStd[0].uEdx == aRawStd[0].uEdx,
5052	(N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5053	&aHostRawStd[0].uEbx, &aHostRawStd[0].uEdx, &aHostRawStd[0].uEcx,
5054	&aRawStd[0].uEbx, &aRawStd[0].uEdx, &aRawStd[0].uEcx));
5055	CPUID_CHECK2_WRN("Std CPUID max leaf", aHostRawStd[0].uEax, aRawStd[0].uEax);
5056	CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3);
5057	CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5058
5059	bool const fIntel = ASMIsIntelCpuEx(aRawStd[0].uEbx, aRawStd[0].uEcx, aRawStd[0].uEdx);
5060
5061	/* CPUID(1).eax */
5062	CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawStd[1].uEax), ASMGetCpuFamily(aRawStd[1].uEax));
5063	CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawStd[1].uEax, fIntel), ASMGetCpuModel(aRawStd[1].uEax, fIntel));
5064	CPUID_CHECK2_WRN("CPU type", (aHostRawStd[1].uEax >> 12) & 3, (aRawStd[1].uEax >> 12) & 3 );
5065
5066	/* CPUID(1).ebx - completely ignore CPU count and APIC ID. */
5067	CPUID_CHECK2_RET("CPU brand ID", aHostRawStd[1].uEbx & 0xff, aRawStd[1].uEbx & 0xff);
5068	CPUID_CHECK2_WRN("CLFLUSH chunk count", (aHostRawStd[1].uEbx >> 8) & 0xff, (aRawStd[1].uEbx >> 8) & 0xff);
5069
5070	/* CPUID(1).ecx */
5071	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3);
5072	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL);
5073	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64);
5074	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5075	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS);
5076	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX);
5077	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX);
5078	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_EST);
5079	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2);
5080	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3);
5081	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID);
5082	CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(11) /reserved/ );
5083	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA);
5084	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16);
5085	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);
5086	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM);
5087	CPUID_RAW_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /reserved/);
5088	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5089	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA);
5090	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1);
5091	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2);
5092	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5093	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE);
5094	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT);
5095	CPUID_RAW_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5096	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES);
5097	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE);
5098	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5099	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX);
5100	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5101	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5102	CPUID_RAW_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP);
5103
5104	/* CPUID(1).edx */
5105	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5106	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5107	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE);
5108	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5109	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC);
5110	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR);
5111	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5112	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5113	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8);
5114	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5115	CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /reserved/);
5116	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5117	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5118	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5119	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5120	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV);
5121	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5122	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5123	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5124	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH);
5125	CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /reserved/);
5126	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_DS);
5127	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI);
5128	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX);
5129	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR);
5130	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE);
5131	CPUID_RAW_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2);
5132	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SS);
5133	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT);
5134	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_TM);
5135	CPUID_RAW_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /JMPE/IA64/);
5136	CPUID_RAW_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE);
5137
5138	/* CPUID(2) - config, mostly about caches. ignore. */
5139	/* CPUID(3) - processor serial number. ignore. */
5140	/* CPUID(4) - config, cache and topology - takes ECX as input. ignore. */
5141	/* CPUID(5) - mwait/monitor config. ignore. */
5142	/* CPUID(6) - power management. ignore. */
5143	/* CPUID(7) - ???. ignore. */
5144	/* CPUID(8) - ???. ignore. */
5145	/* CPUID(9) - DCA. ignore for now. */
5146	/* CPUID(a) - PeMo info. ignore for now. */
5147	/* CPUID(b) - topology info - takes ECX as input. ignore. */
5148
5149	/* CPUID(d) - XCR0 stuff - takes ECX as input. We only warn about the main level (ECX=0) for now. */
5150	CPUID_CHECK_WRN( aRawStd[0].uEax < UINT32_C(0x0000000d)
5151	\|\| aHostRawStd[0].uEax >= UINT32_C(0x0000000d),
5152	("CPUM: Standard leaf D was present on saved state host, not present on current.\n"));
5153	if ( aRawStd[0].uEax >= UINT32_C(0x0000000d)
5154	&& aHostRawStd[0].uEax >= UINT32_C(0x0000000d))
5155	{
5156	CPUID_CHECK2_WRN("Valid low XCR0 bits", aHostRawStd[0xd].uEax, aRawStd[0xd].uEax);
5157	CPUID_CHECK2_WRN("Valid high XCR0 bits", aHostRawStd[0xd].uEdx, aRawStd[0xd].uEdx);
5158	CPUID_CHECK2_WRN("Current XSAVE/XRSTOR area size", aHostRawStd[0xd].uEbx, aRawStd[0xd].uEbx);
5159	/** @todo XSAVE: Stricter XSAVE feature checks for raw-mode. */
5160	CPUID_CHECK2_WRN("Max XSAVE/XRSTOR area size", aHostRawStd[0xd].uEcx, aRawStd[0xd].uEcx);
5161	}
5162
5163	/* CPUID(0x80000000) - same as CPUID(0) except for eax.
5164	Note! Intel have/is marking many of the fields here as reserved. We
5165	will verify them as if it's an AMD CPU. */
5166	CPUID_CHECK_RET( (aHostRawExt[0].uEax >= UINT32_C(0x80000001) && aHostRawExt[0].uEax <= UINT32_C(0x8000007f))
5167	\|\| !(aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f)),
5168	(N_("Extended leaves was present on saved state host, but is missing on the current\n")));
5169	if (aRawExt[0].uEax >= UINT32_C(0x80000001) && aRawExt[0].uEax <= UINT32_C(0x8000007f))
5170	{
5171	CPUID_CHECK_RET( aHostRawExt[0].uEbx == aRawExt[0].uEbx
5172	&& aHostRawExt[0].uEcx == aRawExt[0].uEcx
5173	&& aHostRawExt[0].uEdx == aRawExt[0].uEdx,
5174	(N_("CPU vendor mismatch: host='%.4s%.4s%.4s' saved='%.4s%.4s%.4s'"),
5175	&aHostRawExt[0].uEbx, &aHostRawExt[0].uEdx, &aHostRawExt[0].uEcx,
5176	&aRawExt[0].uEbx, &aRawExt[0].uEdx, &aRawExt[0].uEcx));
5177	CPUID_CHECK2_WRN("Ext CPUID max leaf", aHostRawExt[0].uEax, aRawExt[0].uEax);
5178
5179	/* CPUID(0x80000001).eax - same as CPUID(0).eax. */
5180	CPUID_CHECK2_RET("CPU family", ASMGetCpuFamily(aHostRawExt[1].uEax), ASMGetCpuFamily(aRawExt[1].uEax));
5181	CPUID_CHECK2_RET("CPU model", ASMGetCpuModel(aHostRawExt[1].uEax, fIntel), ASMGetCpuModel(aRawExt[1].uEax, fIntel));
5182	CPUID_CHECK2_WRN("CPU type", (aHostRawExt[1].uEax >> 12) & 3, (aRawExt[1].uEax >> 12) & 3 );
5183	CPUID_CHECK2_WRN("Reserved bits 15:14", (aHostRawExt[1].uEax >> 14) & 3, (aRawExt[1].uEax >> 14) & 3 );
5184	CPUID_CHECK2_WRN("Reserved bits 31:28", aHostRawExt[1].uEax >> 28, aRawExt[1].uEax >> 28);
5185
5186	/* CPUID(0x80000001).ebx - Brand ID (maybe), just warn if things differs. */
5187	CPUID_CHECK2_WRN("CPU BrandID", aHostRawExt[1].uEbx & 0xffff, aRawExt[1].uEbx & 0xffff);
5188	CPUID_CHECK2_WRN("Reserved bits 16:27", (aHostRawExt[1].uEbx >> 16) & 0xfff, (aRawExt[1].uEbx >> 16) & 0xfff);
5189	CPUID_CHECK2_WRN("PkgType", (aHostRawExt[1].uEbx >> 28) & 0xf, (aRawExt[1].uEbx >> 28) & 0xf);
5190
5191	/* CPUID(0x80000001).ecx */
5192	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
5193	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL);
5194	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM);
5195	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);
5196	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L);
5197	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM);
5198	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A);
5199	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);
5200	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);
5201	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW);
5202	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS);
5203	CPUID_RAW_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP);
5204	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT);
5205	CPUID_RAW_FEATURE_IGN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT);
5206	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5207	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5208	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5209	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5210	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5211	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5212	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5213	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5214	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5215	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5216	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5217	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5218	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5219	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5220	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5221	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5222	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5223	CPUID_RAW_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5224
5225	/* CPUID(0x80000001).edx */
5226	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU);
5227	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_VME);
5228	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_DE);
5229	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE);
5230	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC);
5231	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR);
5232	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE);
5233	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE);
5234	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8);
5235	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC);
5236	CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(10) /reserved/);
5237	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SEP);
5238	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR);
5239	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE);
5240	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA);
5241	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV);
5242	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT);
5243	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36);
5244	CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(18) /reserved/);
5245	CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(19) /reserved/);
5246	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5247	CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(21) /reserved/);
5248	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5249	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX);
5250	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR);
5251	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5252	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5253	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5254	CPUID_RAW_FEATURE_IGN(Ext, uEdx, RT_BIT_32(28) /reserved/);
5255	CPUID_RAW_FEATURE_IGN(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5256	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5257	CPUID_RAW_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5258
5259	/** @todo verify the rest as well. */
5260	}
5261	}
5262
5263
5264
5265	/*
5266	* Verify that we can support the features already exposed to the guest on
5267	* this host.
5268	*
5269	* Most of the features we're emulating requires intercepting instruction
5270	* and doing it the slow way, so there is no need to warn when they aren't
5271	* present in the host CPU. Thus we use IGN instead of EMU on these.
5272	*
5273	* Trailing comments:
5274	* "EMU" - Possible to emulate, could be lots of work and very slow.
5275	* "EMU?" - Can this be emulated?
5276	*/
5277	CPUMCPUID aGuestCpuIdStd[2];
5278	RT_ZERO(aGuestCpuIdStd);
5279	cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, 1, 0, &aGuestCpuIdStd[1]);
5280
5281	/* CPUID(1).ecx */
5282	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE3); // -> EMU
5283	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCLMUL); // -> EMU?
5284	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DTES64); // -> EMU?
5285	CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_MONITOR);
5286	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CPLDS); // -> EMU?
5287	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_VMX); // -> EMU
5288	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SMX); // -> EMU
5289	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_EST); // -> EMU
5290	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TM2); // -> EMU?
5291	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSSE3); // -> EMU
5292	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CNTXID); // -> EMU
5293	CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_SDBG);
5294	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_FMA); // -> EMU? what's this?
5295	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_CX16); // -> EMU?
5296	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TPRUPDATE);//-> EMU
5297	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PDCM); // -> EMU
5298	CPUID_GST_FEATURE_RET(Std, uEcx, RT_BIT_32(16) /reserved/);
5299	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_PCID);
5300	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_DCA); // -> EMU?
5301	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_1); // -> EMU
5302	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_SSE4_2); // -> EMU
5303	CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_X2APIC);
5304	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_MOVBE); // -> EMU
5305	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_POPCNT); // -> EMU
5306	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_TSCDEADL);
5307	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AES); // -> EMU
5308	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_XSAVE); // -> EMU
5309	CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_OSXSAVE);
5310	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_AVX); // -> EMU?
5311	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_F16C);
5312	CPUID_GST_FEATURE_RET(Std, uEcx, X86_CPUID_FEATURE_ECX_RDRAND);
5313	CPUID_GST_FEATURE_IGN(Std, uEcx, X86_CPUID_FEATURE_ECX_HVP); // Normally not set by host
5314
5315	/* CPUID(1).edx */
5316	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FPU);
5317	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_VME);
5318	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DE); // -> EMU?
5319	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE);
5320	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5321	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5322	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PAE);
5323	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCE);
5324	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5325	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_APIC);
5326	CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(10) /reserved/);
5327	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_SEP);
5328	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MTRR);
5329	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PGE);
5330	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_MCA);
5331	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5332	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PAT);
5333	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSE36);
5334	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_PSN);
5335	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_CLFSH); // -> EMU
5336	CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(20) /reserved/);
5337	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_DS); // -> EMU?
5338	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_ACPI); // -> EMU?
5339	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5340	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5341	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE); // -> EMU
5342	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SSE2); // -> EMU
5343	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_SS); // -> EMU?
5344	CPUID_GST_FEATURE_IGN(Std, uEdx, X86_CPUID_FEATURE_EDX_HTT); // -> EMU?
5345	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_TM); // -> EMU?
5346	CPUID_GST_FEATURE_RET(Std, uEdx, RT_BIT_32(30) /JMPE/IA64/); // -> EMU
5347	CPUID_GST_FEATURE_RET(Std, uEdx, X86_CPUID_FEATURE_EDX_PBE); // -> EMU?
5348
5349	/* CPUID(0x80000000). */
5350	CPUMCPUID aGuestCpuIdExt[2];
5351	RT_ZERO(aGuestCpuIdExt);
5352	if (cpumR3CpuIdGetLeafLegacy(paLeaves, cLeaves, UINT32_C(0x80000001), 0, &aGuestCpuIdExt[1]))
5353	{
5354	/** @todo deal with no 0x80000001 on the host. */
5355	bool const fHostAmd = ASMIsAmdCpuEx(aHostRawStd[0].uEbx, aHostRawStd[0].uEcx, aHostRawStd[0].uEdx);
5356	bool const fGuestAmd = ASMIsAmdCpuEx(aGuestCpuIdExt[0].uEbx, aGuestCpuIdExt[0].uEcx, aGuestCpuIdExt[0].uEdx);
5357
5358	/* CPUID(0x80000001).ecx */
5359	CPUID_GST_FEATURE_WRN(Ext, uEcx, X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); // -> EMU
5360	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CMPL); // -> EMU
5361	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SVM); // -> EMU
5362	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_EXT_APIC);// ???
5363	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_CR8L); // -> EMU
5364	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_ABM); // -> EMU
5365	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SSE4A); // -> EMU
5366	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_MISALNSSE);//-> EMU
5367	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF);// -> EMU
5368	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_OSVW); // -> EMU?
5369	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_IBS); // -> EMU
5370	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_XOP); // -> EMU
5371	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_SKINIT); // -> EMU
5372	CPUID_GST_AMD_FEATURE_RET(Ext, uEcx, X86_CPUID_AMD_FEATURE_ECX_WDT); // -> EMU
5373	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(14));
5374	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(15));
5375	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(16));
5376	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(17));
5377	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(18));
5378	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(19));
5379	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(20));
5380	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(21));
5381	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(22));
5382	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(23));
5383	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(24));
5384	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(25));
5385	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(26));
5386	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(27));
5387	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(28));
5388	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(29));
5389	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(30));
5390	CPUID_GST_AMD_FEATURE_WRN(Ext, uEcx, RT_BIT_32(31));
5391
5392	/* CPUID(0x80000001).edx */
5393	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FPU, X86_CPUID_FEATURE_EDX_FPU); // -> EMU
5394	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_VME, X86_CPUID_FEATURE_EDX_VME); // -> EMU
5395	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_DE, X86_CPUID_FEATURE_EDX_DE); // -> EMU
5396	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE, X86_CPUID_FEATURE_EDX_PSE);
5397	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_TSC, X86_CPUID_FEATURE_EDX_TSC); // -> EMU
5398	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MSR, X86_CPUID_FEATURE_EDX_MSR); // -> EMU
5399	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAE, X86_CPUID_FEATURE_EDX_PAE);
5400	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCE, X86_CPUID_FEATURE_EDX_MCE);
5401	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CX8, X86_CPUID_FEATURE_EDX_CX8); // -> EMU?
5402	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_APIC, X86_CPUID_FEATURE_EDX_APIC);
5403	CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(10) /reserved/);
5404	CPUID_GST_FEATURE_IGN( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_SYSCALL); // On Intel: long mode only.
5405	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MTRR, X86_CPUID_FEATURE_EDX_MTRR);
5406	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PGE, X86_CPUID_FEATURE_EDX_PGE);
5407	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_MCA, X86_CPUID_FEATURE_EDX_MCA);
5408	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_CMOV, X86_CPUID_FEATURE_EDX_CMOV); // -> EMU
5409	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PAT, X86_CPUID_FEATURE_EDX_PAT);
5410	CPUID_GST_FEATURE2_IGN( uEdx, X86_CPUID_AMD_FEATURE_EDX_PSE36, X86_CPUID_FEATURE_EDX_PSE36);
5411	CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(18) /reserved/);
5412	CPUID_GST_AMD_FEATURE_WRN(Ext, uEdx, RT_BIT_32(19) /reserved/);
5413	CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_NX);
5414	CPUID_GST_FEATURE_WRN( Ext, uEdx, RT_BIT_32(21) /reserved/);
5415	CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_AXMMX);
5416	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_MMX, X86_CPUID_FEATURE_EDX_MMX); // -> EMU
5417	CPUID_GST_FEATURE2_RET( uEdx, X86_CPUID_AMD_FEATURE_EDX_FXSR, X86_CPUID_FEATURE_EDX_FXSR); // -> EMU
5418	CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_FFXSR);
5419	CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_PAGE1GB);
5420	CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
5421	CPUID_GST_FEATURE_IGN( Ext, uEdx, RT_BIT_32(28) /reserved/);
5422	CPUID_GST_FEATURE_RET( Ext, uEdx, X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
5423	CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX);
5424	CPUID_GST_AMD_FEATURE_RET(Ext, uEdx, X86_CPUID_AMD_FEATURE_EDX_3DNOW);
5425	}
5426
5427	/** @todo check leaf 7 */
5428
5429	/* CPUID(d) - XCR0 stuff - takes ECX as input.
5430	* ECX=0: EAX - Valid bits in XCR0[31:0].
5431	* EBX - Maximum state size as per current XCR0 value.
5432	* ECX - Maximum state size for all supported features.
5433	* EDX - Valid bits in XCR0[63:32].
5434	* ECX=1: EAX - Various X-features.
5435	* EBX - Maximum state size as per current XCR0\|IA32_XSS value.
5436	* ECX - Valid bits in IA32_XSS[31:0].
5437	* EDX - Valid bits in IA32_XSS[63:32].
5438	* ECX=N, where N in 2..63 and indicates a bit in XCR0 and/or IA32_XSS,
5439	* if the bit invalid all four registers are set to zero.
5440	* EAX - The state size for this feature.
5441	* EBX - The state byte offset of this feature.
5442	* ECX - Bit 0 indicates whether this sub-leaf maps to a valid IA32_XSS bit (=1) or a valid XCR0 bit (=0).
5443	* EDX - Reserved, but is set to zero if invalid sub-leaf index.
5444	*/
5445	uint64_t fGuestXcr0Mask = 0;
5446	PCPUMCPUIDLEAF pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0);
5447	if ( pCurLeaf
5448	&& (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE)
5449	&& ( pCurLeaf->uEax
5450	\|\| pCurLeaf->uEbx
5451	\|\| pCurLeaf->uEcx
5452	\|\| pCurLeaf->uEdx) )
5453	{
5454	fGuestXcr0Mask = RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx);
5455	if (fGuestXcr0Mask & ~pVM->cpum.s.fXStateHostMask)
5456	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5457	N_("CPUID(0xd/0).EDX:EAX mismatch: %#llx saved, %#llx supported by the current host (XCR0 bits)"),
5458	fGuestXcr0Mask, pVM->cpum.s.fXStateHostMask);
5459	if ((fGuestXcr0Mask & (XSAVE_C_X87 \| XSAVE_C_SSE)) != (XSAVE_C_X87 \| XSAVE_C_SSE))
5460	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5461	N_("CPUID(0xd/0).EDX:EAX missing mandatory X87 or SSE bits: %#RX64"), fGuestXcr0Mask);
5462
5463	/* We don't support any additional features yet. */
5464	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 1);
5465	if (pCurLeaf && pCurLeaf->uEax)
5466	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5467	N_("CPUID(0xd/1).EAX=%#x, expected zero"), pCurLeaf->uEax);
5468	if (pCurLeaf && (pCurLeaf->uEcx \|\| pCurLeaf->uEdx))
5469	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5470	N_("CPUID(0xd/1).EDX:ECX=%#llx, expected zero"),
5471	RT_MAKE_U64(pCurLeaf->uEdx, pCurLeaf->uEcx));
5472
5473
5474	for (uint32_t uSubLeaf = 2; uSubLeaf < 64; uSubLeaf++)
5475	{
5476	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5477	if (pCurLeaf)
5478	{
5479	/* If advertised, the state component offset and size must match the one used by host. */
5480	if (pCurLeaf->uEax \|\| pCurLeaf->uEbx \|\| pCurLeaf->uEcx \|\| pCurLeaf->uEdx)
5481	{
5482	CPUMCPUID RawHost;
5483	ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0,
5484	&RawHost.uEax, &RawHost.uEbx, &RawHost.uEcx, &RawHost.uEdx);
5485	if ( RawHost.uEbx != pCurLeaf->uEbx
5486	\|\| RawHost.uEax != pCurLeaf->uEax)
5487	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5488	N_("CPUID(0xd/%#x).EBX/EAX=%#x/%#x, current host uses %#x/%#x (offset/size)"),
5489	uSubLeaf, pCurLeaf->uEbx, pCurLeaf->uEax, RawHost.uEbx, RawHost.uEax);
5490	}
5491	}
5492	}
5493	}
5494	/* Clear leaf 0xd just in case we're loading an old state... */
5495	else if (pCurLeaf)
5496	{
5497	for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
5498	{
5499	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), uSubLeaf);
5500	if (pCurLeaf)
5501	{
5502	AssertLogRelMsg( uVersion <= CPUM_SAVED_STATE_VERSION_PUT_STRUCT
5503	\|\| ( pCurLeaf->uEax == 0
5504	&& pCurLeaf->uEbx == 0
5505	&& pCurLeaf->uEcx == 0
5506	&& pCurLeaf->uEdx == 0),
5507	("uVersion=%#x; %#x %#x %#x %#x\n",
5508	uVersion, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx));
5509	pCurLeaf->uEax = pCurLeaf->uEbx = pCurLeaf->uEcx = pCurLeaf->uEdx = 0;
5510	}
5511	}
5512	}
5513
5514	/* Update the fXStateGuestMask value for the VM. */
5515	if (pVM->cpum.s.fXStateGuestMask != fGuestXcr0Mask)
5516	{
5517	LogRel(("CPUM: fXStateGuestMask=%#llx -> %#llx\n", pVM->cpum.s.fXStateGuestMask, fGuestXcr0Mask));
5518	pVM->cpum.s.fXStateGuestMask = fGuestXcr0Mask;
5519	if (!fGuestXcr0Mask && (aGuestCpuIdStd[1].uEcx & X86_CPUID_FEATURE_ECX_XSAVE))
5520	return SSMR3SetLoadError(pSSM, VERR_SSM_LOAD_CPUID_MISMATCH, RT_SRC_POS,
5521	N_("Internal Processing Error: XSAVE feature bit enabled, but leaf 0xd is empty."));
5522	}
5523
5524	#undef CPUID_CHECK_RET
5525	#undef CPUID_CHECK_WRN
5526	#undef CPUID_CHECK2_RET
5527	#undef CPUID_CHECK2_WRN
5528	#undef CPUID_RAW_FEATURE_RET
5529	#undef CPUID_RAW_FEATURE_WRN
5530	#undef CPUID_RAW_FEATURE_IGN
5531	#undef CPUID_GST_FEATURE_RET
5532	#undef CPUID_GST_FEATURE_WRN
5533	#undef CPUID_GST_FEATURE_EMU
5534	#undef CPUID_GST_FEATURE_IGN
5535	#undef CPUID_GST_FEATURE2_RET
5536	#undef CPUID_GST_FEATURE2_WRN
5537	#undef CPUID_GST_FEATURE2_EMU
5538	#undef CPUID_GST_FEATURE2_IGN
5539	#undef CPUID_GST_AMD_FEATURE_RET
5540	#undef CPUID_GST_AMD_FEATURE_WRN
5541	#undef CPUID_GST_AMD_FEATURE_EMU
5542	#undef CPUID_GST_AMD_FEATURE_IGN
5543
5544	/*
5545	* We're good, commit the CPU ID leaves.
5546	*/
5547	MMHyperFree(pVM, pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
5548	pVM->cpum.s.GuestInfo.paCpuIdLeavesR3 = NULL;
5549	pVM->cpum.s.GuestInfo.paCpuIdLeavesR0 = NIL_RTR0PTR;
5550	pVM->cpum.s.GuestInfo.paCpuIdLeavesRC = NIL_RTRCPTR;
5551	pVM->cpum.s.GuestInfo.DefCpuId = GuestDefCpuId;
5552	rc = cpumR3CpuIdInstallAndExplodeLeaves(pVM, &pVM->cpum.s, paLeaves, cLeaves);
5553	AssertLogRelRCReturn(rc, rc);
5554
5555	return VINF_SUCCESS;
5556	}
5557
5558
5559	/**
5560	* Loads the CPU ID leaves saved by pass 0.
5561	*
5562	* @returns VBox status code.
5563	* @param pVM The cross context VM structure.
5564	* @param pSSM The saved state handle.
5565	* @param uVersion The format version.
5566	*/
5567	int cpumR3LoadCpuId(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5568	{
5569	AssertMsgReturn(uVersion >= CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5570
5571	/*
5572	* Load the CPUID leaves array first and call worker to do the rest, just so
5573	* we can free the memory when we need to without ending up in column 1000.
5574	*/
5575	PCPUMCPUIDLEAF paLeaves;
5576	uint32_t cLeaves;
5577	int rc = cpumR3LoadGuestCpuIdArray(pVM, pSSM, uVersion, &paLeaves, &cLeaves);
5578	AssertRC(rc);
5579	if (RT_SUCCESS(rc))
5580	{
5581	rc = cpumR3LoadCpuIdInner(pVM, pSSM, uVersion, paLeaves, cLeaves);
5582	RTMemFree(paLeaves);
5583	}
5584	return rc;
5585	}
5586
5587
5588
5589	/**
5590	* Loads the CPU ID leaves saved by pass 0 in an pre 3.2 saved state.
5591	*
5592	* @returns VBox status code.
5593	* @param pVM The cross context VM structure.
5594	* @param pSSM The saved state handle.
5595	* @param uVersion The format version.
5596	*/
5597	int cpumR3LoadCpuIdPre32(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion)
5598	{
5599	AssertMsgReturn(uVersion < CPUM_SAVED_STATE_VERSION_VER3_2, ("%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
5600
5601	/*
5602	* Restore the CPUID leaves.
5603	*
5604	* Note that we support restoring less than the current amount of standard
5605	* leaves because we've been allowed more is newer version of VBox.
5606	*/
5607	uint32_t cElements;
5608	int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5609	if (cElements > RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd))
5610	return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5611	SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmStd[0], cElements*sizeof(pVM->cpum.s.aGuestCpuIdPatmStd[0]));
5612
5613	rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5614	if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt))
5615	return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5616	SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmExt[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmExt));
5617
5618	rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
5619	if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur))
5620	return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
5621	SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdPatmCentaur));
5622
5623	SSMR3GetMem(pSSM, &pVM->cpum.s.GuestInfo.DefCpuId, sizeof(pVM->cpum.s.GuestInfo.DefCpuId));
5624
5625	/*
5626	* Check that the basic cpuid id information is unchanged.
5627	*/
5628	/** @todo we should check the 64 bits capabilities too! */
5629	uint32_t au32CpuId[8] = {0,0,0,0, 0,0,0,0};
5630	ASMCpuIdExSlow(0, 0, 0, 0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
5631	ASMCpuIdExSlow(1, 0, 0, 0, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
5632	uint32_t au32CpuIdSaved[8];
5633	rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
5634	if (RT_SUCCESS(rc))
5635	{
5636	/* Ignore CPU stepping. */
5637	au32CpuId[4] &= 0xfffffff0;
5638	au32CpuIdSaved[4] &= 0xfffffff0;
5639
5640	/* Ignore APIC ID (AMD specs). */
5641	au32CpuId[5] &= ~0xff000000;
5642	au32CpuIdSaved[5] &= ~0xff000000;
5643
5644	/* Ignore the number of Logical CPUs (AMD specs). */
5645	au32CpuId[5] &= ~0x00ff0000;
5646	au32CpuIdSaved[5] &= ~0x00ff0000;
5647
5648	/* Ignore some advanced capability bits, that we don't expose to the guest. */
5649	au32CpuId[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5650	\| X86_CPUID_FEATURE_ECX_VMX
5651	\| X86_CPUID_FEATURE_ECX_SMX
5652	\| X86_CPUID_FEATURE_ECX_EST
5653	\| X86_CPUID_FEATURE_ECX_TM2
5654	\| X86_CPUID_FEATURE_ECX_CNTXID
5655	\| X86_CPUID_FEATURE_ECX_TPRUPDATE
5656	\| X86_CPUID_FEATURE_ECX_PDCM
5657	\| X86_CPUID_FEATURE_ECX_DCA
5658	\| X86_CPUID_FEATURE_ECX_X2APIC
5659	);
5660	au32CpuIdSaved[6] &= ~( X86_CPUID_FEATURE_ECX_DTES64
5661	\| X86_CPUID_FEATURE_ECX_VMX
5662	\| X86_CPUID_FEATURE_ECX_SMX
5663	\| X86_CPUID_FEATURE_ECX_EST
5664	\| X86_CPUID_FEATURE_ECX_TM2
5665	\| X86_CPUID_FEATURE_ECX_CNTXID
5666	\| X86_CPUID_FEATURE_ECX_TPRUPDATE
5667	\| X86_CPUID_FEATURE_ECX_PDCM
5668	\| X86_CPUID_FEATURE_ECX_DCA
5669	\| X86_CPUID_FEATURE_ECX_X2APIC
5670	);
5671
5672	/* Make sure we don't forget to update the masks when enabling
5673	* features in the future.
5674	*/
5675	AssertRelease(!(pVM->cpum.s.aGuestCpuIdPatmStd[1].uEcx &
5676	( X86_CPUID_FEATURE_ECX_DTES64
5677	\| X86_CPUID_FEATURE_ECX_VMX
5678	\| X86_CPUID_FEATURE_ECX_SMX
5679	\| X86_CPUID_FEATURE_ECX_EST
5680	\| X86_CPUID_FEATURE_ECX_TM2
5681	\| X86_CPUID_FEATURE_ECX_CNTXID
5682	\| X86_CPUID_FEATURE_ECX_TPRUPDATE
5683	\| X86_CPUID_FEATURE_ECX_PDCM
5684	\| X86_CPUID_FEATURE_ECX_DCA
5685	\| X86_CPUID_FEATURE_ECX_X2APIC
5686	)));
5687	/* do the compare */
5688	if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
5689	{
5690	if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
5691	LogRel(("cpumR3LoadExec: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
5692	"Saved=%.*Rhxs\n"
5693	"Real =%.*Rhxs\n",
5694	sizeof(au32CpuIdSaved), au32CpuIdSaved,
5695	sizeof(au32CpuId), au32CpuId));
5696	else
5697	{
5698	LogRel(("cpumR3LoadExec: CpuId mismatch!\n"
5699	"Saved=%.*Rhxs\n"
5700	"Real =%.*Rhxs\n",
5701	sizeof(au32CpuIdSaved), au32CpuIdSaved,
5702	sizeof(au32CpuId), au32CpuId));
5703	rc = VERR_SSM_LOAD_CPUID_MISMATCH;
5704	}
5705	}
5706	}
5707
5708	return rc;
5709	}
5710
5711
5712
5713	/*
5714	*
5715	*
5716	* CPUID Info Handler.
5717	* CPUID Info Handler.
5718	* CPUID Info Handler.
5719	*
5720	*
5721	*/
5722
5723
5724
5725	/**
5726	* Get L1 cache / TLS associativity.
5727	*/
5728	static const char getCacheAss(unsigned u, char pszBuf)
5729	{
5730	if (u == 0)
5731	return "res0 ";
5732	if (u == 1)
5733	return "direct";
5734	if (u == 255)
5735	return "fully";
5736	if (u >= 256)
5737	return "???";
5738
5739	RTStrPrintf(pszBuf, 16, "%d way", u);
5740	return pszBuf;
5741	}
5742
5743
5744	/**
5745	* Get L2 cache associativity.
5746	*/
5747	const char *getL2CacheAss(unsigned u)
5748	{
5749	switch (u)
5750	{
5751	case 0: return "off ";
5752	case 1: return "direct";
5753	case 2: return "2 way ";
5754	case 3: return "res3 ";
5755	case 4: return "4 way ";
5756	case 5: return "res5 ";
5757	case 6: return "8 way ";
5758	case 7: return "res7 ";
5759	case 8: return "16 way";
5760	case 9: return "res9 ";
5761	case 10: return "res10 ";
5762	case 11: return "res11 ";
5763	case 12: return "res12 ";
5764	case 13: return "res13 ";
5765	case 14: return "res14 ";
5766	case 15: return "fully ";
5767	default: return "????";
5768	}
5769	}
5770
5771
5772	/** CPUID(1).EDX field descriptions. */
5773	static DBGFREGSUBFIELD const g_aLeaf1EdxSubFields[] =
5774	{
5775	DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5776	DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5777	DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5778	DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5779	DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5780	DBGFREGSUBFIELD_RO("MSR\0" "Model Specific Registers", 5, 1, 0),
5781	DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5782	DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5783	DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5784	DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5785	DBGFREGSUBFIELD_RO("SEP\0" "SYSENTER and SYSEXIT Present", 11, 1, 0),
5786	DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5787	DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5788	DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5789	DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5790	DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5791	DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5792	DBGFREGSUBFIELD_RO("PSN\0" "Processor Serial Number", 18, 1, 0),
5793	DBGFREGSUBFIELD_RO("CLFSH\0" "CLFLUSH instruction", 19, 1, 0),
5794	DBGFREGSUBFIELD_RO("DS\0" "Debug Store", 21, 1, 0),
5795	DBGFREGSUBFIELD_RO("ACPI\0" "Thermal Mon. & Soft. Clock Ctrl.", 22, 1, 0),
5796	DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5797	DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR instructions", 24, 1, 0),
5798	DBGFREGSUBFIELD_RO("SSE\0" "SSE support", 25, 1, 0),
5799	DBGFREGSUBFIELD_RO("SSE2\0" "SSE2 support", 26, 1, 0),
5800	DBGFREGSUBFIELD_RO("SS\0" "Self Snoop", 27, 1, 0),
5801	DBGFREGSUBFIELD_RO("HTT\0" "Hyper-Threading Technology", 28, 1, 0),
5802	DBGFREGSUBFIELD_RO("TM\0" "Therm. Monitor", 29, 1, 0),
5803	DBGFREGSUBFIELD_RO("PBE\0" "Pending Break Enabled", 31, 1, 0),
5804	DBGFREGSUBFIELD_TERMINATOR()
5805	};
5806
5807	/** CPUID(1).ECX field descriptions. */
5808	static DBGFREGSUBFIELD const g_aLeaf1EcxSubFields[] =
5809	{
5810	DBGFREGSUBFIELD_RO("SSE3\0" "SSE3 support", 0, 1, 0),
5811	DBGFREGSUBFIELD_RO("PCLMUL\0" "PCLMULQDQ support (for AES-GCM)", 1, 1, 0),
5812	DBGFREGSUBFIELD_RO("DTES64\0" "DS Area 64-bit Layout", 2, 1, 0),
5813	DBGFREGSUBFIELD_RO("MONITOR\0" "MONITOR/MWAIT instructions", 3, 1, 0),
5814	DBGFREGSUBFIELD_RO("CPL-DS\0" "CPL Qualified Debug Store", 4, 1, 0),
5815	DBGFREGSUBFIELD_RO("VMX\0" "Virtual Machine Extensions", 5, 1, 0),
5816	DBGFREGSUBFIELD_RO("SMX\0" "Safer Mode Extensions", 6, 1, 0),
5817	DBGFREGSUBFIELD_RO("EST\0" "Enhanced SpeedStep Technology", 7, 1, 0),
5818	DBGFREGSUBFIELD_RO("TM2\0" "Terminal Monitor 2", 8, 1, 0),
5819	DBGFREGSUBFIELD_RO("SSSE3\0" "Supplemental Streaming SIMD Extensions 3", 9, 1, 0),
5820	DBGFREGSUBFIELD_RO("CNTX-ID\0" "L1 Context ID", 10, 1, 0),
5821	DBGFREGSUBFIELD_RO("SDBG\0" "Silicon Debug interface", 11, 1, 0),
5822	DBGFREGSUBFIELD_RO("FMA\0" "Fused Multiply Add extensions", 12, 1, 0),
5823	DBGFREGSUBFIELD_RO("CX16\0" "CMPXCHG16B instruction", 13, 1, 0),
5824	DBGFREGSUBFIELD_RO("TPRUPDATE\0" "xTPR Update Control", 14, 1, 0),
5825	DBGFREGSUBFIELD_RO("PDCM\0" "Perf/Debug Capability MSR", 15, 1, 0),
5826	DBGFREGSUBFIELD_RO("PCID\0" "Process Context Identifiers", 17, 1, 0),
5827	DBGFREGSUBFIELD_RO("DCA\0" "Direct Cache Access", 18, 1, 0),
5828	DBGFREGSUBFIELD_RO("SSE4_1\0" "SSE4_1 support", 19, 1, 0),
5829	DBGFREGSUBFIELD_RO("SSE4_2\0" "SSE4_2 support", 20, 1, 0),
5830	DBGFREGSUBFIELD_RO("X2APIC\0" "x2APIC support", 21, 1, 0),
5831	DBGFREGSUBFIELD_RO("MOVBE\0" "MOVBE instruction", 22, 1, 0),
5832	DBGFREGSUBFIELD_RO("POPCNT\0" "POPCNT instruction", 23, 1, 0),
5833	DBGFREGSUBFIELD_RO("TSCDEADL\0" "Time Stamp Counter Deadline", 24, 1, 0),
5834	DBGFREGSUBFIELD_RO("AES\0" "AES instructions", 25, 1, 0),
5835	DBGFREGSUBFIELD_RO("XSAVE\0" "XSAVE instruction", 26, 1, 0),
5836	DBGFREGSUBFIELD_RO("OSXSAVE\0" "OSXSAVE instruction", 27, 1, 0),
5837	DBGFREGSUBFIELD_RO("AVX\0" "AVX support", 28, 1, 0),
5838	DBGFREGSUBFIELD_RO("F16C\0" "16-bit floating point conversion instructions", 29, 1, 0),
5839	DBGFREGSUBFIELD_RO("RDRAND\0" "RDRAND instruction", 30, 1, 0),
5840	DBGFREGSUBFIELD_RO("HVP\0" "Hypervisor Present (we're a guest)", 31, 1, 0),
5841	DBGFREGSUBFIELD_TERMINATOR()
5842	};
5843
5844	/** CPUID(7,0).EBX field descriptions. */
5845	static DBGFREGSUBFIELD const g_aLeaf7Sub0EbxSubFields[] =
5846	{
5847	DBGFREGSUBFIELD_RO("FSGSBASE\0" "RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE instr.", 0, 1, 0),
5848	DBGFREGSUBFIELD_RO("TSCADJUST\0" "Supports MSR_IA32_TSC_ADJUST", 1, 1, 0),
5849	DBGFREGSUBFIELD_RO("SGX\0" "Supports Software Guard Extensions", 2, 1, 0),
5850	DBGFREGSUBFIELD_RO("BMI1\0" "Advanced Bit Manipulation extension 1", 3, 1, 0),
5851	DBGFREGSUBFIELD_RO("HLE\0" "Hardware Lock Elision", 4, 1, 0),
5852	DBGFREGSUBFIELD_RO("AVX2\0" "Advanced Vector Extensions 2", 5, 1, 0),
5853	DBGFREGSUBFIELD_RO("FDP_EXCPTN_ONLY\0" "FPU DP only updated on exceptions", 6, 1, 0),
5854	DBGFREGSUBFIELD_RO("SMEP\0" "Supervisor Mode Execution Prevention", 7, 1, 0),
5855	DBGFREGSUBFIELD_RO("BMI2\0" "Advanced Bit Manipulation extension 2", 8, 1, 0),
5856	DBGFREGSUBFIELD_RO("ERMS\0" "Enhanced REP MOVSB/STOSB instructions", 9, 1, 0),
5857	DBGFREGSUBFIELD_RO("INVPCID\0" "INVPCID instruction", 10, 1, 0),
5858	DBGFREGSUBFIELD_RO("RTM\0" "Restricted Transactional Memory", 11, 1, 0),
5859	DBGFREGSUBFIELD_RO("PQM\0" "Platform Quality of Service Monitoring", 12, 1, 0),
5860	DBGFREGSUBFIELD_RO("DEPFPU_CS_DS\0" "Deprecates FPU CS, FPU DS values if set", 13, 1, 0),
5861	DBGFREGSUBFIELD_RO("MPE\0" "Intel Memory Protection Extensions", 14, 1, 0),
5862	DBGFREGSUBFIELD_RO("PQE\0" "Platform Quality of Service Enforcement", 15, 1, 0),
5863	DBGFREGSUBFIELD_RO("AVX512F\0" "AVX512 Foundation instructions", 16, 1, 0),
5864	DBGFREGSUBFIELD_RO("RDSEED\0" "RDSEED instruction", 18, 1, 0),
5865	DBGFREGSUBFIELD_RO("ADX\0" "ADCX/ADOX instructions", 19, 1, 0),
5866	DBGFREGSUBFIELD_RO("SMAP\0" "Supervisor Mode Access Prevention", 20, 1, 0),
5867	DBGFREGSUBFIELD_RO("CLFLUSHOPT\0" "CLFLUSHOPT (Cache Line Flush) instruction", 23, 1, 0),
5868	DBGFREGSUBFIELD_RO("INTEL_PT\0" "Intel Processor Trace", 25, 1, 0),
5869	DBGFREGSUBFIELD_RO("AVX512PF\0" "AVX512 Prefetch instructions", 26, 1, 0),
5870	DBGFREGSUBFIELD_RO("AVX512ER\0" "AVX512 Exponential & Reciprocal instructions", 27, 1, 0),
5871	DBGFREGSUBFIELD_RO("AVX512CD\0" "AVX512 Conflict Detection instructions", 28, 1, 0),
5872	DBGFREGSUBFIELD_RO("SHA\0" "Secure Hash Algorithm extensions", 29, 1, 0),
5873	DBGFREGSUBFIELD_TERMINATOR()
5874	};
5875
5876	/** CPUID(7,0).ECX field descriptions. */
5877	static DBGFREGSUBFIELD const g_aLeaf7Sub0EcxSubFields[] =
5878	{
5879	DBGFREGSUBFIELD_RO("PREFETCHWT1\0" "PREFETCHWT1 instruction", 0, 1, 0),
5880	DBGFREGSUBFIELD_RO("PKU\0" "Protection Key for Usermode pages", 3, 1, 0),
5881	DBGFREGSUBFIELD_RO("OSPKU\0" "CR4.PKU mirror", 4, 1, 0),
5882	DBGFREGSUBFIELD_TERMINATOR()
5883	};
5884
5885
5886	/** CPUID(13,0).EAX+EDX, XCR0, ++ bit descriptions. */
5887	static DBGFREGSUBFIELD const g_aXSaveStateBits[] =
5888	{
5889	DBGFREGSUBFIELD_RO("x87\0" "Legacy FPU state", 0, 1, 0),
5890	DBGFREGSUBFIELD_RO("SSE\0" "128-bit SSE state", 1, 1, 0),
5891	DBGFREGSUBFIELD_RO("YMM_Hi128\0" "Upper 128 bits of YMM0-15 (AVX)", 2, 1, 0),
5892	DBGFREGSUBFIELD_RO("BNDREGS\0" "MPX bound register state", 3, 1, 0),
5893	DBGFREGSUBFIELD_RO("BNDCSR\0" "MPX bound config and status state", 4, 1, 0),
5894	DBGFREGSUBFIELD_RO("Opmask\0" "opmask state", 5, 1, 0),
5895	DBGFREGSUBFIELD_RO("ZMM_Hi256\0" "Upper 256 bits of ZMM0-15 (AVX-512)", 6, 1, 0),
5896	DBGFREGSUBFIELD_RO("Hi16_ZMM\0" "512-bits ZMM16-31 state (AVX-512)", 7, 1, 0),
5897	DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling (AMD)", 62, 1, 0),
5898	DBGFREGSUBFIELD_TERMINATOR()
5899	};
5900
5901	/** CPUID(13,1).EAX field descriptions. */
5902	static DBGFREGSUBFIELD const g_aLeaf13Sub1EaxSubFields[] =
5903	{
5904	DBGFREGSUBFIELD_RO("XSAVEOPT\0" "XSAVEOPT is available", 0, 1, 0),
5905	DBGFREGSUBFIELD_RO("XSAVEC\0" "XSAVEC and compacted XRSTOR supported", 1, 1, 0),
5906	DBGFREGSUBFIELD_RO("XGETBC1\0" "XGETBV with ECX=1 supported", 2, 1, 0),
5907	DBGFREGSUBFIELD_RO("XSAVES\0" "XSAVES/XRSTORS and IA32_XSS supported", 3, 1, 0),
5908	DBGFREGSUBFIELD_TERMINATOR()
5909	};
5910
5911
5912	/** CPUID(0x80000001,0).EDX field descriptions. */
5913	static DBGFREGSUBFIELD const g_aExtLeaf1EdxSubFields[] =
5914	{
5915	DBGFREGSUBFIELD_RO("FPU\0" "x87 FPU on Chip", 0, 1, 0),
5916	DBGFREGSUBFIELD_RO("VME\0" "Virtual 8086 Mode Enhancements", 1, 1, 0),
5917	DBGFREGSUBFIELD_RO("DE\0" "Debugging extensions", 2, 1, 0),
5918	DBGFREGSUBFIELD_RO("PSE\0" "Page Size Extension", 3, 1, 0),
5919	DBGFREGSUBFIELD_RO("TSC\0" "Time Stamp Counter", 4, 1, 0),
5920	DBGFREGSUBFIELD_RO("MSR\0" "K86 Model Specific Registers", 5, 1, 0),
5921	DBGFREGSUBFIELD_RO("PAE\0" "Physical Address Extension", 6, 1, 0),
5922	DBGFREGSUBFIELD_RO("MCE\0" "Machine Check Exception", 7, 1, 0),
5923	DBGFREGSUBFIELD_RO("CX8\0" "CMPXCHG8B instruction", 8, 1, 0),
5924	DBGFREGSUBFIELD_RO("APIC\0" "APIC On-Chip", 9, 1, 0),
5925	DBGFREGSUBFIELD_RO("SEP\0" "SYSCALL/SYSRET", 11, 1, 0),
5926	DBGFREGSUBFIELD_RO("MTRR\0" "Memory Type Range Registers", 12, 1, 0),
5927	DBGFREGSUBFIELD_RO("PGE\0" "PTE Global Bit", 13, 1, 0),
5928	DBGFREGSUBFIELD_RO("MCA\0" "Machine Check Architecture", 14, 1, 0),
5929	DBGFREGSUBFIELD_RO("CMOV\0" "Conditional Move instructions", 15, 1, 0),
5930	DBGFREGSUBFIELD_RO("PAT\0" "Page Attribute Table", 16, 1, 0),
5931	DBGFREGSUBFIELD_RO("PSE-36\0" "36-bit Page Size Extension", 17, 1, 0),
5932	DBGFREGSUBFIELD_RO("NX\0" "No-Execute/Execute-Disable", 20, 1, 0),
5933	DBGFREGSUBFIELD_RO("AXMMX\0" "AMD Extensions to MMX instructions", 22, 1, 0),
5934	DBGFREGSUBFIELD_RO("MMX\0" "Intel MMX Technology", 23, 1, 0),
5935	DBGFREGSUBFIELD_RO("FXSR\0" "FXSAVE and FXRSTOR Instructions", 24, 1, 0),
5936	DBGFREGSUBFIELD_RO("FFXSR\0" "AMD fast FXSAVE and FXRSTOR instructions", 25, 1, 0),
5937	DBGFREGSUBFIELD_RO("Page1GB\0" "1 GB large page", 26, 1, 0),
5938	DBGFREGSUBFIELD_RO("RDTSCP\0" "RDTSCP instruction", 27, 1, 0),
5939	DBGFREGSUBFIELD_RO("LM\0" "AMD64 Long Mode", 29, 1, 0),
5940	DBGFREGSUBFIELD_RO("3DNOWEXT\0" "AMD Extensions to 3DNow", 30, 1, 0),
5941	DBGFREGSUBFIELD_RO("3DNOW\0" "AMD 3DNow", 31, 1, 0),
5942	DBGFREGSUBFIELD_TERMINATOR()
5943	};
5944
5945	/** CPUID(0x80000001,0).ECX field descriptions. */
5946	static DBGFREGSUBFIELD const g_aExtLeaf1EcxSubFields[] =
5947	{
5948	DBGFREGSUBFIELD_RO("LahfSahf\0" "LAHF/SAHF support in 64-bit mode", 0, 1, 0),
5949	DBGFREGSUBFIELD_RO("CmpLegacy\0" "Core multi-processing legacy mode", 1, 1, 0),
5950	DBGFREGSUBFIELD_RO("SVM\0" "AMD Secure Virtual Machine extensions", 2, 1, 0),
5951	DBGFREGSUBFIELD_RO("EXTAPIC\0" "AMD Extended APIC registers", 3, 1, 0),
5952	DBGFREGSUBFIELD_RO("CR8L\0" "AMD LOCK MOV CR0 means MOV CR8", 4, 1, 0),
5953	DBGFREGSUBFIELD_RO("ABM\0" "AMD Advanced Bit Manipulation", 5, 1, 0),
5954	DBGFREGSUBFIELD_RO("SSE4A\0" "SSE4A instructions", 6, 1, 0),
5955	DBGFREGSUBFIELD_RO("MISALIGNSSE\0" "AMD Misaligned SSE mode", 7, 1, 0),
5956	DBGFREGSUBFIELD_RO("3DNOWPRF\0" "AMD PREFETCH and PREFETCHW instructions", 8, 1, 0),
5957	DBGFREGSUBFIELD_RO("OSVW\0" "AMD OS Visible Workaround", 9, 1, 0),
5958	DBGFREGSUBFIELD_RO("IBS\0" "Instruct Based Sampling", 10, 1, 0),
5959	DBGFREGSUBFIELD_RO("XOP\0" "Extended Operation support", 11, 1, 0),
5960	DBGFREGSUBFIELD_RO("SKINIT\0" "SKINIT, STGI, and DEV support", 12, 1, 0),
5961	DBGFREGSUBFIELD_RO("WDT\0" "AMD Watchdog Timer support", 13, 1, 0),
5962	DBGFREGSUBFIELD_RO("LWP\0" "Lightweight Profiling support", 15, 1, 0),
5963	DBGFREGSUBFIELD_RO("FMA4\0" "Four operand FMA instruction support", 16, 1, 0),
5964	DBGFREGSUBFIELD_RO("NodeId\0" "NodeId in MSR C001_100C", 19, 1, 0),
5965	DBGFREGSUBFIELD_RO("TBM\0" "Trailing Bit Manipulation instructions", 21, 1, 0),
5966	DBGFREGSUBFIELD_RO("TOPOEXT\0" "Topology Extensions", 22, 1, 0),
5967	DBGFREGSUBFIELD_TERMINATOR()
5968	};
5969
5970
5971	static void cpumR3CpuIdInfoMnemonicListU32(PCDBGFINFOHLP pHlp, uint32_t uVal, PCDBGFREGSUBFIELD pDesc,
5972	const char *pszLeadIn, uint32_t cchWidth)
5973	{
5974	if (pszLeadIn)
5975	pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
5976
5977	for (uint32_t iBit = 0; iBit < 32; iBit++)
5978	if (RT_BIT_32(iBit) & uVal)
5979	{
5980	while ( pDesc->pszName != NULL
5981	&& iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
5982	pDesc++;
5983	if ( pDesc->pszName != NULL
5984	&& iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
5985	{
5986	if (pDesc->cBits == 1)
5987	pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
5988	else
5989	{
5990	uint32_t uFieldValue = uVal >> pDesc->iFirstBit;
5991	if (pDesc->cBits < 32)
5992	uFieldValue &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
5993	pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%u" : " %s=%#x", pDesc->pszName, uFieldValue);
5994	iBit = pDesc->iFirstBit + pDesc->cBits - 1;
5995	}
5996	}
5997	else
5998	pHlp->pfnPrintf(pHlp, " %u", iBit);
5999	}
6000	if (pszLeadIn)
6001	pHlp->pfnPrintf(pHlp, "\n");
6002	}
6003
6004
6005	static void cpumR3CpuIdInfoMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6006	const char *pszLeadIn, uint32_t cchWidth)
6007	{
6008	if (pszLeadIn)
6009	pHlp->pfnPrintf(pHlp, "%*s", cchWidth, pszLeadIn);
6010
6011	for (uint32_t iBit = 0; iBit < 64; iBit++)
6012	if (RT_BIT_64(iBit) & uVal)
6013	{
6014	while ( pDesc->pszName != NULL
6015	&& iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6016	pDesc++;
6017	if ( pDesc->pszName != NULL
6018	&& iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6019	{
6020	if (pDesc->cBits == 1)
6021	pHlp->pfnPrintf(pHlp, " %s", pDesc->pszName);
6022	else
6023	{
6024	uint64_t uFieldValue = uVal >> pDesc->iFirstBit;
6025	if (pDesc->cBits < 64)
6026	uFieldValue &= RT_BIT_64(pDesc->cBits) - UINT64_C(1);
6027	pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s=%llu" : " %s=%#llx", pDesc->pszName, uFieldValue);
6028	iBit = pDesc->iFirstBit + pDesc->cBits - 1;
6029	}
6030	}
6031	else
6032	pHlp->pfnPrintf(pHlp, " %u", iBit);
6033	}
6034	if (pszLeadIn)
6035	pHlp->pfnPrintf(pHlp, "\n");
6036	}
6037
6038
6039	static void cpumR3CpuIdInfoValueWithMnemonicListU64(PCDBGFINFOHLP pHlp, uint64_t uVal, PCDBGFREGSUBFIELD pDesc,
6040	const char *pszLeadIn, uint32_t cchWidth)
6041	{
6042	if (!uVal)
6043	pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x\n", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6044	else
6045	{
6046	pHlp->pfnPrintf(pHlp, "%*s %#010x`%08x (", cchWidth, pszLeadIn, RT_HI_U32(uVal), RT_LO_U32(uVal));
6047	cpumR3CpuIdInfoMnemonicListU64(pHlp, uVal, pDesc, NULL, 0);
6048	pHlp->pfnPrintf(pHlp, " )\n");
6049	}
6050	}
6051
6052
6053	static void cpumR3CpuIdInfoVerboseCompareListU32(PCDBGFINFOHLP pHlp, uint32_t uVal1, uint32_t uVal2, PCDBGFREGSUBFIELD pDesc,
6054	uint32_t cchWidth)
6055	{
6056	uint32_t uCombined = uVal1 \| uVal2;
6057	for (uint32_t iBit = 0; iBit < 32; iBit++)
6058	if ( (RT_BIT_32(iBit) & uCombined)
6059	\|\| (iBit == pDesc->iFirstBit && pDesc->pszName) )
6060	{
6061	while ( pDesc->pszName != NULL
6062	&& iBit >= (uint32_t)pDesc->iFirstBit + pDesc->cBits)
6063	pDesc++;
6064
6065	if ( pDesc->pszName != NULL
6066	&& iBit - (uint32_t)pDesc->iFirstBit < (uint32_t)pDesc->cBits)
6067	{
6068	size_t cchMnemonic = strlen(pDesc->pszName);
6069	const char *pszDesc = pDesc->pszName + cchMnemonic + 1;
6070	size_t cchDesc = strlen(pszDesc);
6071	uint32_t uFieldValue1 = uVal1 >> pDesc->iFirstBit;
6072	uint32_t uFieldValue2 = uVal2 >> pDesc->iFirstBit;
6073	if (pDesc->cBits < 32)
6074	{
6075	uFieldValue1 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6076	uFieldValue2 &= RT_BIT_32(pDesc->cBits) - UINT32_C(1);
6077	}
6078
6079	pHlp->pfnPrintf(pHlp, pDesc->cBits < 4 ? " %s - %s%s= %u (%u)\n" : " %s - %s%s= %#x (%#x)\n",
6080	pDesc->pszName, pszDesc,
6081	cchMnemonic + 3 + cchDesc < cchWidth ? cchWidth - (cchMnemonic + 3 + cchDesc) : 1, "",
6082	uFieldValue1, uFieldValue2);
6083
6084	iBit = pDesc->iFirstBit + pDesc->cBits - 1U;
6085	pDesc++;
6086	}
6087	else
6088	pHlp->pfnPrintf(pHlp, " %2u - Reserved%*s= %u (%u)\n", iBit, 13 < cchWidth ? cchWidth - 13 : 1, "",
6089	RT_BOOL(uVal1 & RT_BIT_32(iBit)), RT_BOOL(uVal2 & RT_BIT_32(iBit)));
6090	}
6091	}
6092
6093
6094	/**
6095	* Produces a detailed summary of standard leaf 0x00000001.
6096	*
6097	* @param pHlp The info helper functions.
6098	* @param pCurLeaf The 0x00000001 leaf.
6099	* @param fVerbose Whether to be very verbose or not.
6100	* @param fIntel Set if intel CPU.
6101	*/
6102	static void cpumR3CpuIdInfoStdLeaf1Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose, bool fIntel)
6103	{
6104	Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 1);
6105	static const char * const s_apszTypes[4] = { "primary", "overdrive", "MP", "reserved" };
6106	uint32_t uEAX = pCurLeaf->uEax;
6107	uint32_t uEBX = pCurLeaf->uEbx;
6108
6109	pHlp->pfnPrintf(pHlp,
6110	"%36s %2d \tExtended: %d \tEffective: %d\n"
6111	"%36s %2d \tExtended: %d \tEffective: %d\n"
6112	"%36s %d\n"
6113	"%36s %d (%s)\n"
6114	"%36s %#04x\n"
6115	"%36s %d\n"
6116	"%36s %d\n"
6117	"%36s %#04x\n"
6118	,
6119	"Family:", (uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6120	"Model:", (uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6121	"Stepping:", ASMGetCpuStepping(uEAX),
6122	"Type:", (uEAX >> 12) & 3, s_apszTypes[(uEAX >> 12) & 3],
6123	"APIC ID:", (uEBX >> 24) & 0xff,
6124	"Logical CPUs:",(uEBX >> 16) & 0xff,
6125	"CLFLUSH Size:",(uEBX >> 8) & 0xff,
6126	"Brand ID:", (uEBX >> 0) & 0xff);
6127	if (fVerbose)
6128	{
6129	CPUMCPUID Host;
6130	ASMCpuIdExSlow(1, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6131	pHlp->pfnPrintf(pHlp, "Features\n");
6132	pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6133	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aLeaf1EdxSubFields, 56);
6134	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf1EcxSubFields, 56);
6135	}
6136	else
6137	{
6138	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aLeaf1EdxSubFields, "Features EDX:", 36);
6139	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf1EcxSubFields, "Features ECX:", 36);
6140	}
6141	}
6142
6143
6144	/**
6145	* Produces a detailed summary of standard leaf 0x00000007.
6146	*
6147	* @param pHlp The info helper functions.
6148	* @param paLeaves The CPUID leaves array.
6149	* @param cLeaves The number of leaves in the array.
6150	* @param pCurLeaf The first 0x00000007 leaf.
6151	* @param fVerbose Whether to be very verbose or not.
6152	*/
6153	static void cpumR3CpuIdInfoStdLeaf7Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6154	PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6155	{
6156	Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 7);
6157	pHlp->pfnPrintf(pHlp, "Structured Extended Feature Flags Enumeration (leaf 7):\n");
6158	for (;;)
6159	{
6160	CPUMCPUID Host;
6161	ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6162
6163	switch (pCurLeaf->uSubLeaf)
6164	{
6165	case 0:
6166	if (fVerbose)
6167	{
6168	pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6169	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEbx, Host.uEbx, g_aLeaf7Sub0EbxSubFields, 56);
6170	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aLeaf7Sub0EcxSubFields, 56);
6171	if (pCurLeaf->uEdx \|\| Host.uEdx)
6172	pHlp->pfnPrintf(pHlp, "%36 %#x (%#x)\n", "Ext Features EDX:", pCurLeaf->uEdx, Host.uEdx);
6173	}
6174	else
6175	{
6176	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEbx, g_aLeaf7Sub0EbxSubFields, "Ext Features EBX:", 36);
6177	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aLeaf7Sub0EcxSubFields, "Ext Features ECX:", 36);
6178	if (pCurLeaf->uEdx)
6179	pHlp->pfnPrintf(pHlp, "%36 %#x\n", "Ext Features EDX:", pCurLeaf->uEdx);
6180	}
6181	break;
6182
6183	default:
6184	if (pCurLeaf->uEdx \|\| pCurLeaf->uEcx \|\| pCurLeaf->uEbx)
6185	pHlp->pfnPrintf(pHlp, "Unknown extended feature sub-leaf #%u: EAX=%#x EBX=%#x ECX=%#x EDX=%#x\n",
6186	pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx);
6187	break;
6188
6189	}
6190
6191	/* advance. */
6192	pCurLeaf++;
6193	if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6194	\|\| pCurLeaf->uLeaf != 0x7)
6195	break;
6196	}
6197	}
6198
6199
6200	/**
6201	* Produces a detailed summary of standard leaf 0x0000000d.
6202	*
6203	* @param pHlp The info helper functions.
6204	* @param paLeaves The CPUID leaves array.
6205	* @param cLeaves The number of leaves in the array.
6206	* @param pCurLeaf The first 0x00000007 leaf.
6207	* @param fVerbose Whether to be very verbose or not.
6208	*/
6209	static void cpumR3CpuIdInfoStdLeaf13Details(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6210	PCCPUMCPUIDLEAF pCurLeaf, bool fVerbose)
6211	{
6212	RT_NOREF_PV(fVerbose);
6213	Assert(pCurLeaf); Assert(pCurLeaf->uLeaf == 13);
6214	pHlp->pfnPrintf(pHlp, "Processor Extended State Enumeration (leaf 0xd):\n");
6215	for (uint32_t uSubLeaf = 0; uSubLeaf < 64; uSubLeaf++)
6216	{
6217	CPUMCPUID Host;
6218	ASMCpuIdExSlow(UINT32_C(0x0000000d), 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6219
6220	switch (uSubLeaf)
6221	{
6222	case 0:
6223	if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6224	pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, guest:",
6225	pCurLeaf->uEbx, pCurLeaf->uEcx);
6226	pHlp->pfnPrintf(pHlp, "%42s %#x/%#x\n", "XSAVE area cur/max size by XCR0, host:", Host.uEbx, Host.uEcx);
6227
6228	if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6229	cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEax, pCurLeaf->uEdx), g_aXSaveStateBits,
6230	"Valid XCR0 bits, guest:", 42);
6231	cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEax, Host.uEdx), g_aXSaveStateBits,
6232	"Valid XCR0 bits, host:", 42);
6233	break;
6234
6235	case 1:
6236	if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6237	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, guest:", 42);
6238	cpumR3CpuIdInfoMnemonicListU32(pHlp, Host.uEax, g_aLeaf13Sub1EaxSubFields, "XSAVE features, host:", 42);
6239
6240	if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6241	pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0\|XSS, guest:", pCurLeaf->uEbx);
6242	pHlp->pfnPrintf(pHlp, "%42s %#x\n", "XSAVE area cur size XCR0\|XSS, host:", Host.uEbx);
6243
6244	if (pCurLeaf && pCurLeaf->uSubLeaf == uSubLeaf)
6245	cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(pCurLeaf->uEcx, pCurLeaf->uEdx), g_aXSaveStateBits,
6246	" Valid IA32_XSS bits, guest:", 42);
6247	cpumR3CpuIdInfoValueWithMnemonicListU64(pHlp, RT_MAKE_U64(Host.uEdx, Host.uEcx), g_aXSaveStateBits,
6248	" Valid IA32_XSS bits, host:", 42);
6249	break;
6250
6251	default:
6252	if ( pCurLeaf
6253	&& pCurLeaf->uSubLeaf == uSubLeaf
6254	&& (pCurLeaf->uEax \|\| pCurLeaf->uEbx \|\| pCurLeaf->uEcx \|\| pCurLeaf->uEdx) )
6255	{
6256	pHlp->pfnPrintf(pHlp, " State #%u, guest: off=%#06x, cb=%#06x %s", uSubLeaf, pCurLeaf->uEbx,
6257	pCurLeaf->uEax, pCurLeaf->uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6258	if (pCurLeaf->uEcx & ~RT_BIT_32(0))
6259	pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", pCurLeaf->uEcx & ~RT_BIT_32(0));
6260	if (pCurLeaf->uEdx)
6261	pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", pCurLeaf->uEdx);
6262	pHlp->pfnPrintf(pHlp, " --");
6263	cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6264	pHlp->pfnPrintf(pHlp, "\n");
6265	}
6266	if (Host.uEax \|\| Host.uEbx \|\| Host.uEcx \|\| Host.uEdx)
6267	{
6268	pHlp->pfnPrintf(pHlp, " State #%u, host: off=%#06x, cb=%#06x %s", uSubLeaf, Host.uEbx,
6269	Host.uEax, Host.uEcx & RT_BIT_32(0) ? "XCR0-bit" : "IA32_XSS-bit");
6270	if (Host.uEcx & ~RT_BIT_32(0))
6271	pHlp->pfnPrintf(pHlp, " ECX[reserved]=%#x\n", Host.uEcx & ~RT_BIT_32(0));
6272	if (Host.uEdx)
6273	pHlp->pfnPrintf(pHlp, " EDX[reserved]=%#x\n", Host.uEdx);
6274	pHlp->pfnPrintf(pHlp, " --");
6275	cpumR3CpuIdInfoMnemonicListU64(pHlp, RT_BIT_64(uSubLeaf), g_aXSaveStateBits, NULL, 0);
6276	pHlp->pfnPrintf(pHlp, "\n");
6277	}
6278	break;
6279
6280	}
6281
6282	/* advance. */
6283	if (pCurLeaf)
6284	{
6285	while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6286	&& pCurLeaf->uSubLeaf <= uSubLeaf
6287	&& pCurLeaf->uLeaf == UINT32_C(0x0000000d))
6288	pCurLeaf++;
6289	if ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6290	\|\| pCurLeaf->uLeaf != UINT32_C(0x0000000d))
6291	pCurLeaf = NULL;
6292	}
6293	}
6294	}
6295
6296
6297	static PCCPUMCPUIDLEAF cpumR3CpuIdInfoRawRange(PCDBGFINFOHLP pHlp, PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves,
6298	PCCPUMCPUIDLEAF pCurLeaf, uint32_t uUpToLeaf, const char *pszTitle)
6299	{
6300	if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6301	&& pCurLeaf->uLeaf <= uUpToLeaf)
6302	{
6303	pHlp->pfnPrintf(pHlp,
6304	" %s\n"
6305	" Leaf/sub-leaf eax ebx ecx edx\n", pszTitle);
6306	while ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6307	&& pCurLeaf->uLeaf <= uUpToLeaf)
6308	{
6309	CPUMCPUID Host;
6310	ASMCpuIdExSlow(pCurLeaf->uLeaf, 0, pCurLeaf->uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6311	pHlp->pfnPrintf(pHlp,
6312	"Gst: %08x/%04x %08x %08x %08x %08x\n"
6313	"Hst: %08x %08x %08x %08x\n",
6314	pCurLeaf->uLeaf, pCurLeaf->uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6315	Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6316	pCurLeaf++;
6317	}
6318	}
6319
6320	return pCurLeaf;
6321	}
6322
6323
6324	/**
6325	* Display the guest CpuId leaves.
6326	*
6327	* @param pVM The cross context VM structure.
6328	* @param pHlp The info helper functions.
6329	* @param pszArgs "terse", "default" or "verbose".
6330	*/
6331	DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
6332	{
6333	/*
6334	* Parse the argument.
6335	*/
6336	unsigned iVerbosity = 1;
6337	if (pszArgs)
6338	{
6339	pszArgs = RTStrStripL(pszArgs);
6340	if (!strcmp(pszArgs, "terse"))
6341	iVerbosity--;
6342	else if (!strcmp(pszArgs, "verbose"))
6343	iVerbosity++;
6344	}
6345
6346	uint32_t uLeaf;
6347	CPUMCPUID Host;
6348	uint32_t cLeaves = pVM->cpum.s.GuestInfo.cCpuIdLeaves;
6349	PCPUMCPUIDLEAF paLeaves = pVM->cpum.s.GuestInfo.paCpuIdLeavesR3;
6350	PCCPUMCPUIDLEAF pCurLeaf;
6351	PCCPUMCPUIDLEAF pNextLeaf;
6352	bool const fIntel = ASMIsIntelCpuEx(pVM->cpum.s.aGuestCpuIdPatmStd[0].uEbx,
6353	pVM->cpum.s.aGuestCpuIdPatmStd[0].uEcx,
6354	pVM->cpum.s.aGuestCpuIdPatmStd[0].uEdx);
6355
6356	/*
6357	* Standard leaves. Custom raw dump here due to ECX sub-leaves host handling.
6358	*/
6359	uint32_t cHstMax = ASMCpuId_EAX(0);
6360	uint32_t cGstMax = paLeaves[0].uLeaf == 0 ? paLeaves[0].uEax : 0;
6361	uint32_t cMax = RT_MAX(cGstMax, cHstMax);
6362	pHlp->pfnPrintf(pHlp,
6363	" Raw Standard CPUID Leaves\n"
6364	" Leaf/sub-leaf eax ebx ecx edx\n");
6365	for (uLeaf = 0, pCurLeaf = paLeaves; uLeaf <= cMax; uLeaf++)
6366	{
6367	uint32_t cMaxSubLeaves = 1;
6368	if (uLeaf == 4 \|\| uLeaf == 7 \|\| uLeaf == 0xb)
6369	cMaxSubLeaves = 16;
6370	else if (uLeaf == 0xd)
6371	cMaxSubLeaves = 128;
6372
6373	for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6374	{
6375	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6376	if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6377	&& pCurLeaf->uLeaf == uLeaf
6378	&& pCurLeaf->uSubLeaf == uSubLeaf)
6379	{
6380	pHlp->pfnPrintf(pHlp,
6381	"Gst: %08x/%04x %08x %08x %08x %08x\n"
6382	"Hst: %08x %08x %08x %08x\n",
6383	uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6384	Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6385	pCurLeaf++;
6386	}
6387	else if ( uLeaf != 0xd
6388	\|\| uSubLeaf <= 1
6389	\|\| Host.uEbx != 0 )
6390	pHlp->pfnPrintf(pHlp,
6391	"Hst: %08x/%04x %08x %08x %08x %08x\n",
6392	uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6393
6394	/* Done? */
6395	if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6396	\|\| pCurLeaf->uLeaf != uLeaf)
6397	&& ( (uLeaf == 0x4 && ((Host.uEax & 0x000f) == 0 \|\| (Host.uEax & 0x000f) >= 8))
6398	\|\| (uLeaf == 0x7 && Host.uEax == 0)
6399	\|\| (uLeaf == 0xb && ((Host.uEcx & 0xff00) == 0 \|\| (Host.uEcx & 0xff00) >= 8))
6400	\|\| (uLeaf == 0xb && (Host.uEcx & 0xff) != uSubLeaf)
6401	\|\| (uLeaf == 0xd && uSubLeaf >= 128)
6402	)
6403	)
6404	break;
6405	}
6406	}
6407	pNextLeaf = pCurLeaf;
6408
6409	/*
6410	* If verbose, decode it.
6411	*/
6412	if (iVerbosity && paLeaves[0].uLeaf == 0)
6413	pHlp->pfnPrintf(pHlp,
6414	"%36s %.04s%.04s%.04s\n"
6415	"%36s 0x00000000-%#010x\n"
6416	,
6417	"Name:", &paLeaves[0].uEbx, &paLeaves[0].uEdx, &paLeaves[0].uEcx,
6418	"Supports:", paLeaves[0].uEax);
6419
6420	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000001), 0)) != NULL)
6421	cpumR3CpuIdInfoStdLeaf1Details(pHlp, pCurLeaf, iVerbosity > 1, fIntel);
6422
6423	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x00000007), 0)) != NULL)
6424	cpumR3CpuIdInfoStdLeaf7Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6425
6426	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x0000000d), 0)) != NULL)
6427	cpumR3CpuIdInfoStdLeaf13Details(pHlp, paLeaves, cLeaves, pCurLeaf, iVerbosity > 1);
6428
6429	pCurLeaf = pNextLeaf;
6430
6431	/*
6432	* Hypervisor leaves.
6433	*
6434	* Unlike most of the other leaves reported, the guest hypervisor leaves
6435	* aren't a subset of the host CPUID bits.
6436	*/
6437	pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x3fffffff), "Unknown CPUID Leaves");
6438
6439	ASMCpuIdExSlow(UINT32_C(0x40000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6440	cHstMax = Host.uEax >= UINT32_C(0x40000001) && Host.uEax <= UINT32_C(0x40000fff) ? Host.uEax : 0;
6441	cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x40000000)
6442	? RT_MIN(pCurLeaf->uEax, UINT32_C(0x40000fff)) : 0;
6443	cMax = RT_MAX(cHstMax, cGstMax);
6444	if (cMax >= UINT32_C(0x40000000))
6445	{
6446	pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Hypervisor CPUID Leaves");
6447
6448	/** @todo dump these in more detail. */
6449
6450	pCurLeaf = pNextLeaf;
6451	}
6452
6453
6454	/*
6455	* Extended. Custom raw dump here due to ECX sub-leaves host handling.
6456	* Implemented after AMD specs.
6457	*/
6458	pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0x7fffffff), "Unknown CPUID Leaves");
6459
6460	ASMCpuIdExSlow(UINT32_C(0x80000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6461	cHstMax = ASMIsValidExtRange(Host.uEax) ? RT_MIN(Host.uEax, UINT32_C(0x80000fff)) : 0;
6462	cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0x80000000)
6463	? RT_MIN(pCurLeaf->uEax, UINT32_C(0x80000fff)) : 0;
6464	cMax = RT_MAX(cHstMax, cGstMax);
6465	if (cMax >= UINT32_C(0x80000000))
6466	{
6467
6468	pHlp->pfnPrintf(pHlp,
6469	" Raw Extended CPUID Leaves\n"
6470	" Leaf/sub-leaf eax ebx ecx edx\n");
6471	PCCPUMCPUIDLEAF pExtLeaf = pCurLeaf;
6472	for (uLeaf = UINT32_C(0x80000000); uLeaf <= cMax; uLeaf++)
6473	{
6474	uint32_t cMaxSubLeaves = 1;
6475	if (uLeaf == UINT32_C(0x8000001d))
6476	cMaxSubLeaves = 16;
6477
6478	for (uint32_t uSubLeaf = 0; uSubLeaf < cMaxSubLeaves; uSubLeaf++)
6479	{
6480	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6481	if ( (uintptr_t)(pCurLeaf - paLeaves) < cLeaves
6482	&& pCurLeaf->uLeaf == uLeaf
6483	&& pCurLeaf->uSubLeaf == uSubLeaf)
6484	{
6485	pHlp->pfnPrintf(pHlp,
6486	"Gst: %08x/%04x %08x %08x %08x %08x\n"
6487	"Hst: %08x %08x %08x %08x\n",
6488	uLeaf, uSubLeaf, pCurLeaf->uEax, pCurLeaf->uEbx, pCurLeaf->uEcx, pCurLeaf->uEdx,
6489	Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6490	pCurLeaf++;
6491	}
6492	else if ( uLeaf != 0xd
6493	\|\| uSubLeaf <= 1
6494	\|\| Host.uEbx != 0 )
6495	pHlp->pfnPrintf(pHlp,
6496	"Hst: %08x/%04x %08x %08x %08x %08x\n",
6497	uLeaf, uSubLeaf, Host.uEax, Host.uEbx, Host.uEcx, Host.uEdx);
6498
6499	/* Done? */
6500	if ( ( (uintptr_t)(pCurLeaf - paLeaves) >= cLeaves
6501	\|\| pCurLeaf->uLeaf != uLeaf)
6502	&& (uLeaf == UINT32_C(0x8000001d) && ((Host.uEax & 0x000f) == 0 \|\| (Host.uEax & 0x000f) >= 8)) )
6503	break;
6504	}
6505	}
6506	pNextLeaf = pCurLeaf;
6507
6508	/*
6509	* Understandable output
6510	*/
6511	if (iVerbosity)
6512	pHlp->pfnPrintf(pHlp,
6513	"Ext Name: %.4s%.4s%.4s\n"
6514	"Ext Supports: 0x80000000-%#010x\n",
6515	&pExtLeaf->uEbx, &pExtLeaf->uEdx, &pExtLeaf->uEcx, pExtLeaf->uEax);
6516
6517	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000001), 0);
6518	if (iVerbosity && pCurLeaf)
6519	{
6520	uint32_t uEAX = pCurLeaf->uEax;
6521	pHlp->pfnPrintf(pHlp,
6522	"Family: %d \tExtended: %d \tEffective: %d\n"
6523	"Model: %d \tExtended: %d \tEffective: %d\n"
6524	"Stepping: %d\n"
6525	"Brand ID: %#05x\n",
6526	(uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ASMGetCpuFamily(uEAX),
6527	(uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ASMGetCpuModel(uEAX, fIntel),
6528	ASMGetCpuStepping(uEAX),
6529	pCurLeaf->uEbx & 0xfff);
6530
6531	if (iVerbosity == 1)
6532	{
6533	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEdx, g_aExtLeaf1EdxSubFields, "Ext Features EDX:", 34);
6534	cpumR3CpuIdInfoMnemonicListU32(pHlp, pCurLeaf->uEcx, g_aExtLeaf1EdxSubFields, "Ext Features ECX:", 34);
6535	}
6536	else
6537	{
6538	ASMCpuIdExSlow(0x80000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6539	pHlp->pfnPrintf(pHlp, "Ext Features\n");
6540	pHlp->pfnPrintf(pHlp, " Mnemonic - Description = guest (host)\n");
6541	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEdx, Host.uEdx, g_aExtLeaf1EdxSubFields, 56);
6542	cpumR3CpuIdInfoVerboseCompareListU32(pHlp, pCurLeaf->uEcx, Host.uEcx, g_aExtLeaf1EcxSubFields, 56);
6543	}
6544	}
6545
6546	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000002), 0)) != NULL)
6547	{
6548	char szString[443+1] = {0};
6549	uint32_t pu32 = (uint32_t )szString;
6550	*pu32++ = pCurLeaf->uEax;
6551	*pu32++ = pCurLeaf->uEbx;
6552	*pu32++ = pCurLeaf->uEcx;
6553	*pu32++ = pCurLeaf->uEdx;
6554	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000003), 0);
6555	if (pCurLeaf)
6556	{
6557	*pu32++ = pCurLeaf->uEax;
6558	*pu32++ = pCurLeaf->uEbx;
6559	*pu32++ = pCurLeaf->uEcx;
6560	*pu32++ = pCurLeaf->uEdx;
6561	}
6562	pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000004), 0);
6563	if (pCurLeaf)
6564	{
6565	*pu32++ = pCurLeaf->uEax;
6566	*pu32++ = pCurLeaf->uEbx;
6567	*pu32++ = pCurLeaf->uEcx;
6568	*pu32++ = pCurLeaf->uEdx;
6569	}
6570	pHlp->pfnPrintf(pHlp, "Full Name: \"%s\"\n", szString);
6571	}
6572
6573	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000005), 0)) != NULL)
6574	{
6575	uint32_t uEAX = pCurLeaf->uEax;
6576	uint32_t uEBX = pCurLeaf->uEbx;
6577	uint32_t uECX = pCurLeaf->uEcx;
6578	uint32_t uEDX = pCurLeaf->uEdx;
6579	char sz1[32];
6580	char sz2[32];
6581
6582	pHlp->pfnPrintf(pHlp,
6583	"TLB 2/4M Instr/Uni: %s %3d entries\n"
6584	"TLB 2/4M Data: %s %3d entries\n",
6585	getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
6586	getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
6587	pHlp->pfnPrintf(pHlp,
6588	"TLB 4K Instr/Uni: %s %3d entries\n"
6589	"TLB 4K Data: %s %3d entries\n",
6590	getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
6591	getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
6592	pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
6593	"L1 Instr Cache Lines Per Tag: %d\n"
6594	"L1 Instr Cache Associativity: %s\n"
6595	"L1 Instr Cache Size: %d KB\n",
6596	(uEDX >> 0) & 0xff,
6597	(uEDX >> 8) & 0xff,
6598	getCacheAss((uEDX >> 16) & 0xff, sz1),
6599	(uEDX >> 24) & 0xff);
6600	pHlp->pfnPrintf(pHlp,
6601	"L1 Data Cache Line Size: %d bytes\n"
6602	"L1 Data Cache Lines Per Tag: %d\n"
6603	"L1 Data Cache Associativity: %s\n"
6604	"L1 Data Cache Size: %d KB\n",
6605	(uECX >> 0) & 0xff,
6606	(uECX >> 8) & 0xff,
6607	getCacheAss((uECX >> 16) & 0xff, sz1),
6608	(uECX >> 24) & 0xff);
6609	}
6610
6611	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000006), 0)) != NULL)
6612	{
6613	uint32_t uEAX = pCurLeaf->uEax;
6614	uint32_t uEBX = pCurLeaf->uEbx;
6615	uint32_t uEDX = pCurLeaf->uEdx;
6616
6617	pHlp->pfnPrintf(pHlp,
6618	"L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
6619	"L2 TLB 2/4M Data: %s %4d entries\n",
6620	getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
6621	getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
6622	pHlp->pfnPrintf(pHlp,
6623	"L2 TLB 4K Instr/Uni: %s %4d entries\n"
6624	"L2 TLB 4K Data: %s %4d entries\n",
6625	getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
6626	getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
6627	pHlp->pfnPrintf(pHlp,
6628	"L2 Cache Line Size: %d bytes\n"
6629	"L2 Cache Lines Per Tag: %d\n"
6630	"L2 Cache Associativity: %s\n"
6631	"L2 Cache Size: %d KB\n",
6632	(uEDX >> 0) & 0xff,
6633	(uEDX >> 8) & 0xf,
6634	getL2CacheAss((uEDX >> 12) & 0xf),
6635	(uEDX >> 16) & 0xffff);
6636	}
6637
6638	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000007), 0)) != NULL)
6639	{
6640	uint32_t uEDX = pCurLeaf->uEdx;
6641
6642	pHlp->pfnPrintf(pHlp, "APM Features: ");
6643	if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " TS");
6644	if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " FID");
6645	if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " VID");
6646	if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " TTP");
6647	if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TM");
6648	if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " STC");
6649	if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " MC");
6650	if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " HWPSTATE");
6651	if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " TscInvariant");
6652	if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " CPB");
6653	if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " EffFreqRO");
6654	if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PFI");
6655	if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PA");
6656	for (unsigned iBit = 13; iBit < 32; iBit++)
6657	if (uEDX & RT_BIT(iBit))
6658	pHlp->pfnPrintf(pHlp, " %d", iBit);
6659	pHlp->pfnPrintf(pHlp, "\n");
6660
6661	ASMCpuIdExSlow(UINT32_C(0x80000007), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6662	pHlp->pfnPrintf(pHlp, "Host Invariant-TSC support: %RTbool\n",
6663	cHstMax >= UINT32_C(0x80000007) && (Host.uEdx & RT_BIT(8)));
6664
6665	}
6666
6667	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0x80000008), 0)) != NULL)
6668	{
6669	uint32_t uEAX = pCurLeaf->uEax;
6670	uint32_t uECX = pCurLeaf->uEcx;
6671
6672	pHlp->pfnPrintf(pHlp,
6673	"Physical Address Width: %d bits\n"
6674	"Virtual Address Width: %d bits\n"
6675	"Guest Physical Address Width: %d bits\n",
6676	(uEAX >> 0) & 0xff,
6677	(uEAX >> 8) & 0xff,
6678	(uEAX >> 16) & 0xff);
6679	pHlp->pfnPrintf(pHlp,
6680	"Physical Core Count: %d\n",
6681	((uECX >> 0) & 0xff) + 1);
6682	}
6683
6684	pCurLeaf = pNextLeaf;
6685	}
6686
6687
6688
6689	/*
6690	* Centaur.
6691	*/
6692	pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xbfffffff), "Unknown CPUID Leaves");
6693
6694	ASMCpuIdExSlow(UINT32_C(0xc0000000), 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6695	cHstMax = Host.uEax >= UINT32_C(0xc0000001) && Host.uEax <= UINT32_C(0xc0000fff)
6696	? RT_MIN(Host.uEax, UINT32_C(0xc0000fff)) : 0;
6697	cGstMax = (uintptr_t)(pCurLeaf - paLeaves) < cLeaves && pCurLeaf->uLeaf == UINT32_C(0xc0000000)
6698	? RT_MIN(pCurLeaf->uEax, UINT32_C(0xc0000fff)) : 0;
6699	cMax = RT_MAX(cHstMax, cGstMax);
6700	if (cMax >= UINT32_C(0xc0000000))
6701	{
6702	pNextLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, cMax, "Raw Centaur CPUID Leaves");
6703
6704	/*
6705	* Understandable output
6706	*/
6707	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000000), 0)) != NULL)
6708	pHlp->pfnPrintf(pHlp,
6709	"Centaur Supports: 0xc0000000-%#010x\n",
6710	pCurLeaf->uEax);
6711
6712	if (iVerbosity && (pCurLeaf = cpumR3CpuIdGetLeaf(paLeaves, cLeaves, UINT32_C(0xc0000001), 0)) != NULL)
6713	{
6714	ASMCpuIdExSlow(0xc0000001, 0, 0, 0, &Host.uEax, &Host.uEbx, &Host.uEcx, &Host.uEdx);
6715	uint32_t uEdxGst = pCurLeaf->uEdx;
6716	uint32_t uEdxHst = Host.uEdx;
6717
6718	if (iVerbosity == 1)
6719	{
6720	pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
6721	if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
6722	if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
6723	if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
6724	if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
6725	if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
6726	if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
6727	if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
6728	if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
6729	/* possibly indicating MM/HE and MM/HE-E on older chips... */
6730	if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
6731	if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
6732	if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
6733	if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
6734	if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
6735	if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
6736	for (unsigned iBit = 14; iBit < 32; iBit++)
6737	if (uEdxGst & RT_BIT(iBit))
6738	pHlp->pfnPrintf(pHlp, " %d", iBit);
6739	pHlp->pfnPrintf(pHlp, "\n");
6740	}
6741	else
6742	{
6743	pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
6744	pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
6745	pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
6746	pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
6747	pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
6748	pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
6749	pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
6750	pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
6751	pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
6752	/* possibly indicating MM/HE and MM/HE-E on older chips... */
6753	pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
6754	pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
6755	pHlp->pfnPrintf(pHlp, "PHE - Padlock Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
6756	pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
6757	pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
6758	pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
6759	pHlp->pfnPrintf(pHlp, "14 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
6760	pHlp->pfnPrintf(pHlp, "15 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
6761	pHlp->pfnPrintf(pHlp, "Parallax = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
6762	pHlp->pfnPrintf(pHlp, "Parallax enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
6763	pHlp->pfnPrintf(pHlp, "Overstress = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
6764	pHlp->pfnPrintf(pHlp, "Overstress enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
6765	pHlp->pfnPrintf(pHlp, "TM3 - Temperature Monitoring 3 = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
6766	pHlp->pfnPrintf(pHlp, "TM3-E - TM3 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
6767	pHlp->pfnPrintf(pHlp, "RNG2 - Random Number Generator 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
6768	pHlp->pfnPrintf(pHlp, "RNG2-E - RNG2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
6769	pHlp->pfnPrintf(pHlp, "24 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
6770	pHlp->pfnPrintf(pHlp, "PHE2 - Padlock Hash Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
6771	pHlp->pfnPrintf(pHlp, "PHE2-E - PHE2 enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
6772	for (unsigned iBit = 27; iBit < 32; iBit++)
6773	if ((uEdxGst \| uEdxHst) & RT_BIT(iBit))
6774	pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", iBit, !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
6775	pHlp->pfnPrintf(pHlp, "\n");
6776	}
6777	}
6778
6779	pCurLeaf = pNextLeaf;
6780	}
6781
6782	/*
6783	* The remainder.
6784	*/
6785	pCurLeaf = cpumR3CpuIdInfoRawRange(pHlp, paLeaves, cLeaves, pCurLeaf, UINT32_C(0xffffffff), "Unknown CPUID Leaves");
6786	}
6787
6788
6789
6790
6791
6792	/*
6793	*
6794	*
6795	* PATM interfaces.
6796	* PATM interfaces.
6797	* PATM interfaces.
6798	*
6799	*
6800	*/
6801
6802
6803	# if defined(VBOX_WITH_RAW_MODE) \|\| defined(DOXYGEN_RUNNING)
6804	/** @name Patchmanager CPUID legacy table APIs
6805	* @{
6806	*/
6807
6808	/**
6809	* Gets a pointer to the default CPUID leaf.
6810	*
6811	* @returns Raw-mode pointer to the default CPUID leaf (read-only).
6812	* @param pVM The cross context VM structure.
6813	* @remark Intended for PATM only.
6814	*/
6815	VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmDefRCPtr(PVM pVM)
6816	{
6817	return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.GuestInfo.DefCpuId);
6818	}
6819
6820
6821	/**
6822	* Gets a number of standard CPUID leaves (PATM only).
6823	*
6824	* @returns Number of leaves.
6825	* @param pVM The cross context VM structure.
6826	* @remark Intended for PATM - legacy, don't use in new code.
6827	*/
6828	VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmStdMax(PVM pVM)
6829	{
6830	RT_NOREF_PV(pVM);
6831	return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmStd);
6832	}
6833
6834
6835	/**
6836	* Gets a number of extended CPUID leaves (PATM only).
6837	*
6838	* @returns Number of leaves.
6839	* @param pVM The cross context VM structure.
6840	* @remark Intended for PATM - legacy, don't use in new code.
6841	*/
6842	VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmExtMax(PVM pVM)
6843	{
6844	RT_NOREF_PV(pVM);
6845	return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmExt);
6846	}
6847
6848
6849	/**
6850	* Gets a number of centaur CPUID leaves.
6851	*
6852	* @returns Number of leaves.
6853	* @param pVM The cross context VM structure.
6854	* @remark Intended for PATM - legacy, don't use in new code.
6855	*/
6856	VMMR3_INT_DECL(uint32_t) CPUMR3GetGuestCpuIdPatmCentaurMax(PVM pVM)
6857	{
6858	RT_NOREF_PV(pVM);
6859	return RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdPatmCentaur);
6860	}
6861
6862
6863	/**
6864	* Gets a pointer to the array of standard CPUID leaves.
6865	*
6866	* CPUMR3GetGuestCpuIdStdMax() give the size of the array.
6867	*
6868	* @returns Raw-mode pointer to the standard CPUID leaves (read-only).
6869	* @param pVM The cross context VM structure.
6870	* @remark Intended for PATM - legacy, don't use in new code.
6871	*/
6872	VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmStdRCPtr(PVM pVM)
6873	{
6874	return RCPTRTYPE(PCCPUMCPUID)VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmStd[0]);
6875	}
6876
6877
6878	/**
6879	* Gets a pointer to the array of extended CPUID leaves.
6880	*
6881	* CPUMGetGuestCpuIdExtMax() give the size of the array.
6882	*
6883	* @returns Raw-mode pointer to the extended CPUID leaves (read-only).
6884	* @param pVM The cross context VM structure.
6885	* @remark Intended for PATM - legacy, don't use in new code.
6886	*/
6887	VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmExtRCPtr(PVM pVM)
6888	{
6889	return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmExt[0]);
6890	}
6891
6892
6893	/**
6894	* Gets a pointer to the array of centaur CPUID leaves.
6895	*
6896	* CPUMGetGuestCpuIdCentaurMax() give the size of the array.
6897	*
6898	* @returns Raw-mode pointer to the centaur CPUID leaves (read-only).
6899	* @param pVM The cross context VM structure.
6900	* @remark Intended for PATM - legacy, don't use in new code.
6901	*/
6902	VMMR3_INT_DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdPatmCentaurRCPtr(PVM pVM)
6903	{
6904	return (RCPTRTYPE(PCCPUMCPUID))VM_RC_ADDR(pVM, &pVM->cpum.s.aGuestCpuIdPatmCentaur[0]);
6905	}
6906
6907	/** @} */
6908	# endif /* VBOX_WITH_RAW_MODE \|\| DOXYGEN_RUNNING */
6909
6910	#endif /* VBOX_IN_VMM */
6911

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source: vbox/trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp@ 68155

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