CPUMAllCpuId.cpp@ 107044

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1	/* $Id: CPUMAllCpuId.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* CPUM - CPU ID part, common bits.
4	*/
5
6	/*
7	* Copyright (C) 2013-2024 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_CPUM
33	#include <VBox/vmm/cpum.h>
34	#include <VBox/vmm/hm.h>
35	#include <VBox/vmm/ssm.h>
36	#include "CPUMInternal.h"
37	#include <VBox/vmm/vmcc.h>
38	#include <VBox/sup.h>
39
40	#include <VBox/err.h>
41	#if defined(RT_ARCH_X86) \|\| defined(RT_ARCH_AMD64)
42	# include <iprt/asm-amd64-x86.h>
43	#endif
44	#include <iprt/ctype.h>
45	#include <iprt/mem.h>
46	#include <iprt/string.h>
47	#include <iprt/x86-helpers.h>
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, / Nehalem-EP */
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,
137	/* [79(0x4f)] = / kCpumMicroarch_Intel_Core7_Broadwell, / Broadwell-E */
138	/* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown,
139	/* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown,
140	/* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown,
141	/* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown,
142	/* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown,
143	/* [85(0x55)] = / kCpumMicroarch_Intel_Core7_Skylake, / server cpu; skylake <= 4, cascade lake > 5 */
144	/* [86(0x56)] = / kCpumMicroarch_Intel_Core7_Broadwell, / Xeon D-1540, Broadwell-DE */
145	/* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding,
146	/* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown,
147	/* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown,
148	/* [90(0x5a)] = / kCpumMicroarch_Intel_Atom_Silvermont, / Moorefield */
149	/* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown,
150	/* [92(0x5c)] = / kCpumMicroarch_Intel_Atom_Goldmont, / Apollo Lake */
151	/* [93(0x5d)] = / kCpumMicroarch_Intel_Atom_Silvermont, / x3-C3230 */
152	/* [94(0x5e)] = / kCpumMicroarch_Intel_Core7_Skylake, / i7-6700K */
153	/* [95(0x5f)] = / kCpumMicroarch_Intel_Atom_Goldmont, / Denverton */
154	/* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown,
155	/* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown,
156	/* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown,
157	/* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown,
158	/[100(0x64)] = / kCpumMicroarch_Intel_Unknown,
159	/[101(0x65)] = / kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */
160	/[102(0x66)] = / kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */
161	/[103(0x67)] = / kCpumMicroarch_Intel_Unknown,
162	/[104(0x68)] = / kCpumMicroarch_Intel_Unknown,
163	/[105(0x69)] = / kCpumMicroarch_Intel_Unknown,
164	/[106(0x6a)] = / kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed server */
165	/[107(0x6b)] = / kCpumMicroarch_Intel_Unknown,
166	/[108(0x6c)] = / kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed server */
167	/[109(0x6d)] = / kCpumMicroarch_Intel_Unknown,
168	/[110(0x6e)] = / kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */
169	/[111(0x6f)] = / kCpumMicroarch_Intel_Unknown,
170	/[112(0x70)] = / kCpumMicroarch_Intel_Unknown,
171	/[113(0x71)] = / kCpumMicroarch_Intel_Unknown,
172	/[114(0x72)] = / kCpumMicroarch_Intel_Unknown,
173	/[115(0x73)] = / kCpumMicroarch_Intel_Unknown,
174	/[116(0x74)] = / kCpumMicroarch_Intel_Unknown,
175	/[117(0x75)] = / kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */
176	/[118(0x76)] = / kCpumMicroarch_Intel_Unknown,
177	/[119(0x77)] = / kCpumMicroarch_Intel_Unknown,
178	/[120(0x78)] = / kCpumMicroarch_Intel_Unknown,
179	/[121(0x79)] = / kCpumMicroarch_Intel_Unknown,
180	/[122(0x7a)] = / kCpumMicroarch_Intel_Atom_GoldmontPlus,
181	/[123(0x7b)] = / kCpumMicroarch_Intel_Unknown,
182	/[124(0x7c)] = / kCpumMicroarch_Intel_Unknown,
183	/[125(0x7d)] = / kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
184	/[126(0x7e)] = / kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */
185	/[127(0x7f)] = / kCpumMicroarch_Intel_Unknown,
186	/[128(0x80)] = / kCpumMicroarch_Intel_Unknown,
187	/[129(0x81)] = / kCpumMicroarch_Intel_Unknown,
188	/[130(0x82)] = / kCpumMicroarch_Intel_Unknown,
189	/[131(0x83)] = / kCpumMicroarch_Intel_Unknown,
190	/[132(0x84)] = / kCpumMicroarch_Intel_Unknown,
191	/[133(0x85)] = / kCpumMicroarch_Intel_Phi_KnightsMill,
192	/[134(0x86)] = / kCpumMicroarch_Intel_Unknown,
193	/[135(0x87)] = / kCpumMicroarch_Intel_Unknown,
194	/[136(0x88)] = / kCpumMicroarch_Intel_Unknown,
195	/[137(0x89)] = / kCpumMicroarch_Intel_Unknown,
196	/[138(0x8a)] = / kCpumMicroarch_Intel_Unknown,
197	/[139(0x8b)] = / kCpumMicroarch_Intel_Unknown,
198	/[140(0x8c)] = / kCpumMicroarch_Intel_Core7_TigerLake, /* 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz (bird) */
199	/[141(0x8d)] = / kCpumMicroarch_Intel_Core7_TigerLake, /* unconfirmed */
200	/[142(0x8e)] = / kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */
201	/[143(0x8f)] = / kCpumMicroarch_Intel_Core7_SapphireRapids,
202	/[144(0x90)] = / kCpumMicroarch_Intel_Unknown,
203	/[145(0x91)] = / kCpumMicroarch_Intel_Unknown,
204	/[146(0x92)] = / kCpumMicroarch_Intel_Unknown,
205	/[147(0x93)] = / kCpumMicroarch_Intel_Unknown,
206	/[148(0x94)] = / kCpumMicroarch_Intel_Unknown,
207	/[149(0x95)] = / kCpumMicroarch_Intel_Unknown,
208	/[150(0x96)] = / kCpumMicroarch_Intel_Unknown,
209	/[151(0x97)] = / kCpumMicroarch_Intel_Core7_AlderLake, /* unconfirmed, unreleased */
210	/[152(0x98)] = / kCpumMicroarch_Intel_Unknown,
211	/[153(0x99)] = / kCpumMicroarch_Intel_Unknown,
212	/[154(0x9a)] = / kCpumMicroarch_Intel_Core7_AlderLake, /* unconfirmed, unreleased */
213	/[155(0x9b)] = / kCpumMicroarch_Intel_Unknown,
214	/[156(0x9c)] = / kCpumMicroarch_Intel_Unknown,
215	/[157(0x9d)] = / kCpumMicroarch_Intel_Unknown,
216	/[158(0x9e)] = / kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */
217	/[159(0x9f)] = / kCpumMicroarch_Intel_Unknown,
218	/[160(0xa0)] = / kCpumMicroarch_Intel_Unknown,
219	/[161(0xa1)] = / kCpumMicroarch_Intel_Unknown,
220	/[162(0xa2)] = / kCpumMicroarch_Intel_Unknown,
221	/[163(0xa3)] = / kCpumMicroarch_Intel_Unknown,
222	/[164(0xa4)] = / kCpumMicroarch_Intel_Unknown,
223	/[165(0xa5)] = / kCpumMicroarch_Intel_Core7_CometLake, /* unconfirmed */
224	/[166(0xa6)] = / kCpumMicroarch_Intel_Unknown,
225	/[167(0xa7)] = / kCpumMicroarch_Intel_Core7_CypressCove, /* 14nm backport, unconfirmed */
226	};
227	AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0xa7+1);
228
229
230	/**
231	* Figures out the (sub-)micro architecture given a bit of CPUID info.
232	*
233	* @returns Micro architecture.
234	* @param enmVendor The CPU vendor.
235	* @param bFamily The CPU family.
236	* @param bModel The CPU model.
237	* @param bStepping The CPU stepping.
238	*/
239	VMMDECL(CPUMMICROARCH) CPUMCpuIdDetermineX86MicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily,
240	uint8_t bModel, uint8_t bStepping)
241	{
242	if (enmVendor == CPUMCPUVENDOR_AMD)
243	{
244	switch (bFamily)
245	{
246	case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */
247	case 0x03: return kCpumMicroarch_AMD_Am386;
248	case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/
249	case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh;
250	case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */
251	case 0x06:
252	switch (bModel)
253	{
254	case 0: return kCpumMicroarch_AMD_K7_Palomino;
255	case 1: return kCpumMicroarch_AMD_K7_Palomino;
256	case 2: return kCpumMicroarch_AMD_K7_Palomino;
257	case 3: return kCpumMicroarch_AMD_K7_Spitfire;
258	case 4: return kCpumMicroarch_AMD_K7_Thunderbird;
259	case 6: return kCpumMicroarch_AMD_K7_Palomino;
260	case 7: return kCpumMicroarch_AMD_K7_Morgan;
261	case 8: return kCpumMicroarch_AMD_K7_Thoroughbred;
262	case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */
263	}
264	return kCpumMicroarch_AMD_K7_Unknown;
265	case 0x0f:
266	/*
267	* This family is a friggin mess. Trying my best to make some
268	* sense out of it. Too much happened in the 0x0f family to
269	* lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++).
270	*
271	* Emperical CPUID.01h.EAX evidence from revision guides, wikipedia,
272	* cpu-world.com, and other places:
273	* - 130nm:
274	* - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0,
275	* - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3
276	* - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG
277	* - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0,
278	* - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG)
279	* - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG),
280	* - 90nm:
281	* - Winchester: 10FF0/DH-D0, 20FF0/DH-E3.
282	* - Oakville: 10FC0/DH-D0.
283	* - Georgetown: 10FC0/DH-D0.
284	* - Sonora: 10FC0/DH-D0.
285	* - Venus: 20F71/SH-E4
286	* - Troy: 20F51/SH-E4
287	* - Athens: 20F51/SH-E4
288	* - San Diego: 20F71/SH-E4.
289	* - Lancaster: 20F42/SH-E5
290	* - Newark: 20F42/SH-E5.
291	* - Albany: 20FC2/DH-E6.
292	* - Roma: 20FC2/DH-E6.
293	* - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6.
294	* - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6
295	* - 90nm introducing Dual core:
296	* - Denmark: 20F30/JH-E1, 20F32/JH-E6
297	* - Italy: 20F10/JH-E1, 20F12/JH-E6
298	* - Egypt: 20F10/JH-E1, 20F12/JH-E6
299	* - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant).
300	* - Manchester: 20FB1/BH-E4, 30FF2/BH-E4.
301	* - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models):
302	* - Santa Ana: 40F32/JH-F2, /-F3
303	* - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3
304	* - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??.
305	* - Manila: 50FF2/DH-F2, 40FF2/DH-F2
306	* - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3.
307	* - Keene: 40FC2/DH-F2.
308	* - Richmond: 40FC2/DH-F2
309	* - Taylor: 40F82/BH-F2
310	* - Trinidad: 40F82/BH-F2
311	*
312	* - 65nm:
313	* - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2.
314	* - Tyler: 60F81/BH-G1, 60F82/BH-G2.
315	* - Sparta: 70FF1/DH-G1, 70FF2/DH-G2.
316	* - Lima: 70FF1/DH-G1, 70FF2/DH-G2.
317	* - Sherman: /-G1, 70FC2/DH-G2.
318	* - Huron: 70FF2/DH-G2.
319	*/
320	if (bModel < 0x10)
321	return kCpumMicroarch_AMD_K8_130nm;
322	if (bModel >= 0x60 && bModel < 0x80)
323	return kCpumMicroarch_AMD_K8_65nm;
324	if (bModel >= 0x40)
325	return kCpumMicroarch_AMD_K8_90nm_AMDV;
326	switch (bModel)
327	{
328	case 0x21:
329	case 0x23:
330	case 0x2b:
331	case 0x2f:
332	case 0x37:
333	case 0x3f:
334	return kCpumMicroarch_AMD_K8_90nm_DualCore;
335	}
336	return kCpumMicroarch_AMD_K8_90nm;
337	case 0x10:
338	return kCpumMicroarch_AMD_K10;
339	case 0x11:
340	return kCpumMicroarch_AMD_K10_Lion;
341	case 0x12:
342	return kCpumMicroarch_AMD_K10_Llano;
343	case 0x14:
344	return kCpumMicroarch_AMD_Bobcat;
345	case 0x15:
346	switch (bModel)
347	{
348	case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */
349	case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */
350	case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */
351	case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */
352	case 0x11: /* ?? */
353	case 0x12: /* ?? */
354	case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */
355	}
356	return kCpumMicroarch_AMD_15h_Unknown;
357	case 0x16:
358	return kCpumMicroarch_AMD_Jaguar;
359	case 0x17:
360	return kCpumMicroarch_AMD_Zen_Ryzen;
361	}
362	return kCpumMicroarch_AMD_Unknown;
363	}
364
365	if (enmVendor == CPUMCPUVENDOR_INTEL)
366	{
367	switch (bFamily)
368	{
369	case 3:
370	return kCpumMicroarch_Intel_80386;
371	case 4:
372	return kCpumMicroarch_Intel_80486;
373	case 5:
374	return kCpumMicroarch_Intel_P5;
375	case 6:
376	if (bModel < RT_ELEMENTS(g_aenmIntelFamily06))
377	{
378	CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel];
379	if (enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake)
380	{
381	if (bStepping >= 0xa && bStepping <= 0xc)
382	enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake;
383	else if (bStepping >= 0xc)
384	enmMicroArch = kCpumMicroarch_Intel_Core7_WhiskeyLake;
385	}
386	else if ( enmMicroArch == kCpumMicroarch_Intel_Core7_Skylake
387	&& bModel == 0x55
388	&& bStepping >= 5)
389	enmMicroArch = kCpumMicroarch_Intel_Core7_CascadeLake;
390	return enmMicroArch;
391	}
392	return kCpumMicroarch_Intel_Atom_Unknown;
393	case 15:
394	switch (bModel)
395	{
396	case 0: return kCpumMicroarch_Intel_NB_Willamette;
397	case 1: return kCpumMicroarch_Intel_NB_Willamette;
398	case 2: return kCpumMicroarch_Intel_NB_Northwood;
399	case 3: return kCpumMicroarch_Intel_NB_Prescott;
400	case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */
401	case 5: return kCpumMicroarch_Intel_NB_Unknown; /??/
402	case 6: return kCpumMicroarch_Intel_NB_CedarMill;
403	case 7: return kCpumMicroarch_Intel_NB_Gallatin;
404	default: return kCpumMicroarch_Intel_NB_Unknown;
405	}
406	break;
407	/* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */
408	case 0:
409	return kCpumMicroarch_Intel_8086;
410	case 1:
411	return kCpumMicroarch_Intel_80186;
412	case 2:
413	return kCpumMicroarch_Intel_80286;
414	}
415	return kCpumMicroarch_Intel_Unknown;
416	}
417
418	if (enmVendor == CPUMCPUVENDOR_VIA)
419	{
420	switch (bFamily)
421	{
422	case 5:
423	switch (bModel)
424	{
425	case 1: return kCpumMicroarch_Centaur_C6;
426	case 4: return kCpumMicroarch_Centaur_C6;
427	case 8: return kCpumMicroarch_Centaur_C2;
428	case 9: return kCpumMicroarch_Centaur_C3;
429	}
430	break;
431
432	case 6:
433	switch (bModel)
434	{
435	case 5: return kCpumMicroarch_VIA_C3_M2;
436	case 6: return kCpumMicroarch_VIA_C3_C5A;
437	case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C;
438	case 8: return kCpumMicroarch_VIA_C3_C5N;
439	case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P;
440	case 10: return kCpumMicroarch_VIA_C7_C5J;
441	case 15: return kCpumMicroarch_VIA_Isaiah;
442	}
443	break;
444	}
445	return kCpumMicroarch_VIA_Unknown;
446	}
447
448	if (enmVendor == CPUMCPUVENDOR_SHANGHAI)
449	{
450	switch (bFamily)
451	{
452	case 6:
453	case 7:
454	return kCpumMicroarch_Shanghai_Wudaokou;
455	default:
456	break;
457	}
458	return kCpumMicroarch_Shanghai_Unknown;
459	}
460
461	if (enmVendor == CPUMCPUVENDOR_CYRIX)
462	{
463	switch (bFamily)
464	{
465	case 4:
466	switch (bModel)
467	{
468	case 9: return kCpumMicroarch_Cyrix_5x86;
469	}
470	break;
471
472	case 5:
473	switch (bModel)
474	{
475	case 2: return kCpumMicroarch_Cyrix_M1;
476	case 4: return kCpumMicroarch_Cyrix_MediaGX;
477	case 5: return kCpumMicroarch_Cyrix_MediaGXm;
478	}
479	break;
480
481	case 6:
482	switch (bModel)
483	{
484	case 0: return kCpumMicroarch_Cyrix_M2;
485	}
486	break;
487
488	}
489	return kCpumMicroarch_Cyrix_Unknown;
490	}
491
492	if (enmVendor == CPUMCPUVENDOR_HYGON)
493	{
494	switch (bFamily)
495	{
496	case 0x18:
497	return kCpumMicroarch_Hygon_Dhyana;
498	default:
499	break;
500	}
501	return kCpumMicroarch_Hygon_Unknown;
502	}
503
504	return kCpumMicroarch_Unknown;
505	}
506
507
508	/**
509	* Translates a microarchitecture enum value to the corresponding string
510	* constant.
511	*
512	* @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns
513	* NULL if the value is invalid.
514	*
515	* @param enmMicroarch The enum value to convert.
516	*/
517	VMMDECL(const char *) CPUMMicroarchName(CPUMMICROARCH enmMicroarch)
518	{
519	switch (enmMicroarch)
520	{
521	#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1)
522	CASE_RET_STR(kCpumMicroarch_Intel_8086);
523	CASE_RET_STR(kCpumMicroarch_Intel_80186);
524	CASE_RET_STR(kCpumMicroarch_Intel_80286);
525	CASE_RET_STR(kCpumMicroarch_Intel_80386);
526	CASE_RET_STR(kCpumMicroarch_Intel_80486);
527	CASE_RET_STR(kCpumMicroarch_Intel_P5);
528
529	CASE_RET_STR(kCpumMicroarch_Intel_P6);
530	CASE_RET_STR(kCpumMicroarch_Intel_P6_II);
531	CASE_RET_STR(kCpumMicroarch_Intel_P6_III);
532
533	CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias);
534	CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan);
535	CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah);
536
537	CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom);
538	CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn);
539
540	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem);
541	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere);
542	CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge);
543	CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge);
544	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell);
545	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell);
546	CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake);
547	CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake);
548	CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake);
549	CASE_RET_STR(kCpumMicroarch_Intel_Core7_WhiskeyLake);
550	CASE_RET_STR(kCpumMicroarch_Intel_Core7_CascadeLake);
551	CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake);
552	CASE_RET_STR(kCpumMicroarch_Intel_Core7_CometLake);
553	CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake);
554	CASE_RET_STR(kCpumMicroarch_Intel_Core7_RocketLake);
555	CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake);
556	CASE_RET_STR(kCpumMicroarch_Intel_Core7_AlderLake);
557	CASE_RET_STR(kCpumMicroarch_Intel_Core7_SapphireRapids);
558
559	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell);
560	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft);
561	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell);
562	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont);
563	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount);
564	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont);
565	CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus);
566	CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown);
567
568	CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry);
569	CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner);
570	CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding);
571	CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill);
572	CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill);
573
574	CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette);
575	CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood);
576	CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott);
577	CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M);
578	CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill);
579	CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin);
580	CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown);
581
582	CASE_RET_STR(kCpumMicroarch_Intel_Unknown);
583
584	CASE_RET_STR(kCpumMicroarch_AMD_Am286);
585	CASE_RET_STR(kCpumMicroarch_AMD_Am386);
586	CASE_RET_STR(kCpumMicroarch_AMD_Am486);
587	CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh);
588	CASE_RET_STR(kCpumMicroarch_AMD_K5);
589	CASE_RET_STR(kCpumMicroarch_AMD_K6);
590
591	CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino);
592	CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire);
593	CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird);
594	CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan);
595	CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred);
596	CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton);
597	CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown);
598
599	CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm);
600	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm);
601	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore);
602	CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV);
603	CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm);
604
605	CASE_RET_STR(kCpumMicroarch_AMD_K10);
606	CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion);
607	CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano);
608	CASE_RET_STR(kCpumMicroarch_AMD_Bobcat);
609	CASE_RET_STR(kCpumMicroarch_AMD_Jaguar);
610
611	CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer);
612	CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver);
613	CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller);
614	CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator);
615	CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown);
616
617	CASE_RET_STR(kCpumMicroarch_AMD_16h_First);
618
619	CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen);
620
621	CASE_RET_STR(kCpumMicroarch_AMD_Unknown);
622
623	CASE_RET_STR(kCpumMicroarch_Hygon_Dhyana);
624	CASE_RET_STR(kCpumMicroarch_Hygon_Unknown);
625
626	CASE_RET_STR(kCpumMicroarch_Centaur_C6);
627	CASE_RET_STR(kCpumMicroarch_Centaur_C2);
628	CASE_RET_STR(kCpumMicroarch_Centaur_C3);
629	CASE_RET_STR(kCpumMicroarch_VIA_C3_M2);
630	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A);
631	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B);
632	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C);
633	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N);
634	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL);
635	CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P);
636	CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J);
637	CASE_RET_STR(kCpumMicroarch_VIA_Isaiah);
638	CASE_RET_STR(kCpumMicroarch_VIA_Unknown);
639
640	CASE_RET_STR(kCpumMicroarch_Shanghai_Wudaokou);
641	CASE_RET_STR(kCpumMicroarch_Shanghai_Unknown);
642
643	CASE_RET_STR(kCpumMicroarch_Cyrix_5x86);
644	CASE_RET_STR(kCpumMicroarch_Cyrix_M1);
645	CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX);
646	CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm);
647	CASE_RET_STR(kCpumMicroarch_Cyrix_M2);
648	CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown);
649
650	CASE_RET_STR(kCpumMicroarch_NEC_V20);
651	CASE_RET_STR(kCpumMicroarch_NEC_V30);
652
653	CASE_RET_STR(kCpumMicroarch_Apple_M1);
654	CASE_RET_STR(kCpumMicroarch_Apple_M2);
655
656	CASE_RET_STR(kCpumMicroarch_Unknown);
657
658	#undef CASE_RET_STR
659	case kCpumMicroarch_Invalid:
660	case kCpumMicroarch_Intel_End:
661	case kCpumMicroarch_Intel_Core2_End:
662	case kCpumMicroarch_Intel_Core7_End:
663	case kCpumMicroarch_Intel_Atom_End:
664	case kCpumMicroarch_Intel_P6_Core_Atom_End:
665	case kCpumMicroarch_Intel_Phi_End:
666	case kCpumMicroarch_Intel_NB_End:
667	case kCpumMicroarch_AMD_K7_End:
668	case kCpumMicroarch_AMD_K8_End:
669	case kCpumMicroarch_AMD_15h_End:
670	case kCpumMicroarch_AMD_16h_End:
671	case kCpumMicroarch_AMD_Zen_End:
672	case kCpumMicroarch_AMD_End:
673	case kCpumMicroarch_Hygon_End:
674	case kCpumMicroarch_VIA_End:
675	case kCpumMicroarch_Shanghai_End:
676	case kCpumMicroarch_Cyrix_End:
677	case kCpumMicroarch_NEC_End:
678	case kCpumMicroarch_Apple_End:
679	case kCpumMicroarch_32BitHack:
680	break;
681	/* no default! */
682	}
683
684	return NULL;
685	}
686
687
688	/**
689	* Gets a matching leaf in the CPUID leaf array.
690	*
691	* @returns Pointer to the matching leaf, or NULL if not found.
692	* @param paLeaves The CPUID leaves to search. This is sorted.
693	* @param cLeaves The number of leaves in the array.
694	* @param uLeaf The leaf to locate.
695	* @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves.
696	*/
697	PCPUMCPUIDLEAF cpumCpuIdGetLeafInt(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
698	{
699	/* Lazy bird does linear lookup here since this is only used for the
700	occational CPUID overrides. */
701	for (uint32_t i = 0; i < cLeaves; i++)
702	if ( paLeaves[i].uLeaf == uLeaf
703	&& paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask))
704	return &paLeaves[i];
705	return NULL;
706	}
707
708
709	/**
710	* Ensures that the CPUID leaf array can hold one more leaf.
711	*
712	* @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on
713	* failure.
714	* @param pVM The cross context VM structure. If NULL, use
715	* the process heap, otherwise the VM's hyper heap.
716	* @param ppaLeaves Pointer to the variable holding the array pointer
717	* (input/output).
718	* @param cLeaves The current array size.
719	*
720	* @remarks This function will automatically update the R0 and RC pointers when
721	* using the hyper heap, which means @a ppaLeaves and @a cLeaves must
722	* be the corresponding VM's CPUID arrays (which is asserted).
723	*/
724	PCPUMCPUIDLEAF cpumCpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves)
725	{
726	/*
727	* If pVM is not specified, we're on the regular heap and can waste a
728	* little space to speed things up.
729	*/
730	uint32_t cAllocated;
731	if (!pVM)
732	{
733	cAllocated = RT_ALIGN(cLeaves, 16);
734	if (cLeaves + 1 > cAllocated)
735	{
736	void pvNew = RTMemRealloc(ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves));
737	if (pvNew)
738	*ppaLeaves = (PCPUMCPUIDLEAF)pvNew;
739	else
740	{
741	RTMemFree(*ppaLeaves);
742	*ppaLeaves = NULL;
743	}
744	}
745	}
746	/*
747	* Otherwise, we're on the hyper heap and are probably just inserting
748	* one or two leaves and should conserve space.
749	*/
750	else
751	{
752	#ifdef IN_VBOX_CPU_REPORT
753	AssertReleaseFailed();
754	#else
755	# ifdef IN_RING3
756	Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3);
757	Assert(*ppaLeaves == pVM->cpum.s.GuestInfo.aCpuIdLeaves);
758	Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves);
759
760	if (cLeaves + 1 <= RT_ELEMENTS(pVM->cpum.s.GuestInfo.aCpuIdLeaves))
761	{ }
762	else
763	# endif
764	{
765	*ppaLeaves = NULL;
766	LogRel(("CPUM: cpumR3CpuIdEnsureSpace: Out of CPUID space!\n"));
767	}
768	#endif
769	}
770	return *ppaLeaves;
771	}
772
773
774	#ifdef VBOX_STRICT
775	/**
776	* Checks that we've updated the CPUID leaves array correctly.
777	*
778	* This is a no-op in non-strict builds.
779	*
780	* @param paLeaves The leaves array.
781	* @param cLeaves The number of leaves.
782	*/
783	void cpumCpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves)
784	{
785	for (uint32_t i = 1; i < cLeaves; i++)
786	if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf)
787	AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf));
788	else
789	{
790	AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf,
791	("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf));
792	AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask,
793	("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask));
794	AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags,
795	("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags));
796	}
797	}
798	#endif
799
800	#if defined(RT_ARCH_X86) \|\| defined(RT_ARCH_AMD64)
801
802	/**
803	* Append a CPUID leaf or sub-leaf.
804	*
805	* ASSUMES linear insertion order, so we'll won't need to do any searching or
806	* replace anything. Use cpumR3CpuIdInsert() for those cases.
807	*
808	* @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so
809	* the caller need do no more work.
810	* @param ppaLeaves Pointer to the pointer to the array of sorted
811	* CPUID leaves and sub-leaves.
812	* @param pcLeaves Where we keep the leaf count for *ppaLeaves.
813	* @param uLeaf The leaf we're adding.
814	* @param uSubLeaf The sub-leaf number.
815	* @param fSubLeafMask The sub-leaf mask.
816	* @param uEax The EAX value.
817	* @param uEbx The EBX value.
818	* @param uEcx The ECX value.
819	* @param uEdx The EDX value.
820	* @param fFlags The flags.
821	*/
822	static int cpumCollectCpuIdInfoAddOne(PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves,
823	uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask,
824	uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags)
825	{
826	if (!cpumCpuIdEnsureSpace(NULL /* pVM /, ppaLeaves, pcLeaves))
827	return VERR_NO_MEMORY;
828
829	PCPUMCPUIDLEAF pNew = &(ppaLeaves)[pcLeaves];
830	Assert( *pcLeaves == 0
831	\|\| pNew[-1].uLeaf < uLeaf
832	\|\| (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) );
833
834	pNew->uLeaf = uLeaf;
835	pNew->uSubLeaf = uSubLeaf;
836	pNew->fSubLeafMask = fSubLeafMask;
837	pNew->uEax = uEax;
838	pNew->uEbx = uEbx;
839	pNew->uEcx = uEcx;
840	pNew->uEdx = uEdx;
841	pNew->fFlags = fFlags;
842
843	*pcLeaves += 1;
844	return VINF_SUCCESS;
845	}
846
847
848	/**
849	* Checks if ECX make a difference when reading a given CPUID leaf.
850	*
851	* @returns @c true if it does, @c false if it doesn't.
852	* @param uLeaf The leaf we're reading.
853	* @param pcSubLeaves Number of sub-leaves accessible via ECX.
854	* @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the
855	* final sub-leaf (for leaf 0xb only).
856	*/
857	static bool cpumIsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t pcSubLeaves, bool pfFinalEcxUnchanged)
858	{
859	*pfFinalEcxUnchanged = false;
860
861	uint32_t auCur[4];
862	uint32_t auPrev[4];
863	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]);
864
865	/* Look for sub-leaves. */
866	uint32_t uSubLeaf = 1;
867	for (;;)
868	{
869	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
870	if (memcmp(auCur, auPrev, sizeof(auCur)))
871	break;
872
873	/* Advance / give up. */
874	uSubLeaf++;
875	if (uSubLeaf >= 64)
876	{
877	*pcSubLeaves = 1;
878	return false;
879	}
880	}
881
882	/* Count sub-leaves. */
883	uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0;
884	uint32_t cRepeats = 0;
885	uSubLeaf = 0;
886	for (;;)
887	{
888	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]);
889
890	/* Figuring out when to stop isn't entirely straight forward as we need
891	to cover undocumented behavior up to a point and implementation shortcuts. */
892
893	/* 1. Look for more than 4 repeating value sets. */
894	if ( auCur[0] == auPrev[0]
895	&& auCur[1] == auPrev[1]
896	&& ( auCur[2] == auPrev[2]
897	\|\| ( auCur[2] == uSubLeaf
898	&& auPrev[2] == uSubLeaf - 1) )
899	&& auCur[3] == auPrev[3])
900	{
901	if ( uLeaf != 0xd
902	\|\| uSubLeaf >= 64
903	\|\| ( auCur[0] == 0
904	&& auCur[1] == 0
905	&& auCur[2] == 0
906	&& auCur[3] == 0
907	&& auPrev[2] == 0) )
908	cRepeats++;
909	if (cRepeats > 4 && uSubLeaf >= cMinLeaves)
910	break;
911	}
912	else
913	cRepeats = 0;
914
915	/* 2. Look for zero values. */
916	if ( auCur[0] == 0
917	&& auCur[1] == 0
918	&& (auCur[2] == 0 \|\| auCur[2] == uSubLeaf)
919	&& (auCur[3] == 0 \|\| uLeaf == 0xb /* edx is fixed */)
920	&& uSubLeaf >= cMinLeaves)
921	{
922	cRepeats = 0;
923	break;
924	}
925
926	/* 3. Leaf 0xb level type 0 check. */
927	if ( uLeaf == 0xb
928	&& (auCur[2] & 0xff00) == 0
929	&& (auPrev[2] & 0xff00) == 0)
930	{
931	cRepeats = 0;
932	break;
933	}
934
935	/* 99. Give up. */
936	if (uSubLeaf >= 128)
937	{
938	# ifndef IN_VBOX_CPU_REPORT
939	/* Ok, limit it according to the documentation if possible just to
940	avoid annoying users with these detection issues. */
941	uint32_t cDocLimit = UINT32_MAX;
942	if (uLeaf == 0x4)
943	cDocLimit = 4;
944	else if (uLeaf == 0x7)
945	cDocLimit = 1;
946	else if (uLeaf == 0xd)
947	cDocLimit = 63;
948	else if (uLeaf == 0xf)
949	cDocLimit = 2;
950	if (cDocLimit != UINT32_MAX)
951	{
952	*pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
953	*pcSubLeaves = cDocLimit + 3;
954	return true;
955	}
956	# endif
957	*pcSubLeaves = UINT32_MAX;
958	return true;
959	}
960
961	/* Advance. */
962	uSubLeaf++;
963	memcpy(auPrev, auCur, sizeof(auCur));
964	}
965
966	/* Standard exit. */
967	*pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb;
968	*pcSubLeaves = uSubLeaf + 1 - cRepeats;
969	if (*pcSubLeaves == 0)
970	*pcSubLeaves = 1;
971	return true;
972	}
973
974
975	/**
976	* Collects CPUID leaves and sub-leaves, returning a sorted array of them.
977	*
978	* @returns VBox status code.
979	* @param ppaLeaves Where to return the array pointer on success.
980	* Use RTMemFree to release.
981	* @param pcLeaves Where to return the size of the array on
982	* success.
983	*/
984	VMMDECL(int) CPUMCpuIdCollectLeavesX86(PCPUMCPUIDLEAF ppaLeaves, uint32_t pcLeaves)
985	{
986	*ppaLeaves = NULL;
987	*pcLeaves = 0;
988
989	/*
990	* Try out various candidates. This must be sorted!
991	*/
992	static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] =
993	{
994	{ UINT32_C(0x00000000), false },
995	{ UINT32_C(0x10000000), false },
996	{ UINT32_C(0x20000000), false },
997	{ UINT32_C(0x30000000), false },
998	{ UINT32_C(0x40000000), false },
999	{ UINT32_C(0x50000000), false },
1000	{ UINT32_C(0x60000000), false },
1001	{ UINT32_C(0x70000000), false },
1002	{ UINT32_C(0x80000000), false },
1003	{ UINT32_C(0x80860000), false },
1004	{ UINT32_C(0x8ffffffe), true },
1005	{ UINT32_C(0x8fffffff), true },
1006	{ UINT32_C(0x90000000), false },
1007	{ UINT32_C(0xa0000000), false },
1008	{ UINT32_C(0xb0000000), false },
1009	{ UINT32_C(0xc0000000), false },
1010	{ UINT32_C(0xd0000000), false },
1011	{ UINT32_C(0xe0000000), false },
1012	{ UINT32_C(0xf0000000), false },
1013	};
1014
1015	for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++)
1016	{
1017	uint32_t uLeaf = s_aCandidates[iOuter].uMsr;
1018	uint32_t uEax, uEbx, uEcx, uEdx;
1019	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1020
1021	/*
1022	* Does EAX look like a typical leaf count value?
1023	*/
1024	if ( uEax > uLeaf
1025	&& uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */
1026	{
1027	/* Yes, dump them. */
1028	uint32_t cLeaves = uEax - uLeaf + 1;
1029	while (cLeaves-- > 0)
1030	{
1031	ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx);
1032
1033	uint32_t fFlags = 0;
1034
1035	/* There are currently three known leaves containing an APIC ID
1036	that needs EMT specific attention */
1037	if (uLeaf == 1)
1038	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1039	else if (uLeaf == 0xb && uEcx != 0)
1040	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1041	else if ( uLeaf == UINT32_C(0x8000001e)
1042	&& ( uEax
1043	\|\| uEbx
1044	\|\| uEdx
1045	\|\| RTX86IsAmdCpu((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)
1046	\|\| RTX86IsHygonCpu((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1047	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID;
1048
1049	/* The APIC bit is per-VCpu and needs flagging. */
1050	if (uLeaf == 1)
1051	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1052	else if ( uLeaf == UINT32_C(0x80000001)
1053	&& ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC)
1054	\|\| RTX86IsAmdCpu((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)
1055	\|\| RTX86IsHygonCpu((ppaLeaves)[0].uEbx, (ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) )
1056	fFlags \|= CPUMCPUIDLEAF_F_CONTAINS_APIC;
1057
1058	/* Check three times here to reduce the chance of CPU migration
1059	resulting in false positives with things like the APIC ID. */
1060	uint32_t cSubLeaves;
1061	bool fFinalEcxUnchanged;
1062	if ( cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1063	&& cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)
1064	&& cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged))
1065	{
1066	if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U))
1067	{
1068	/* This shouldn't happen. But in case it does, file all
1069	relevant details in the release log. */
1070	LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves));
1071	LogRel(("------------------ dump of problematic sub-leaves -----------------\n"));
1072	for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++)
1073	{
1074	uint32_t auTmp[4];
1075	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]);
1076	LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n",
1077	uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3]));
1078	}
1079	LogRel(("----------------- dump of what we've found so far -----------------\n"));
1080	for (uint32_t i = 0 ; i < *pcLeaves; i++)
1081	LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n",
1082	(ppaLeaves)[i].uLeaf, (ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask,
1083	(ppaLeaves)[i].uEax, (ppaLeaves)[i].uEbx, (ppaLeaves)[i].uEcx, (ppaLeaves)[i].uEdx));
1084	LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n"));
1085	return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES;
1086	}
1087
1088	if (fFinalEcxUnchanged)
1089	fFlags \|= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES;
1090
1091	for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++)
1092	{
1093	ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx);
1094	int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves,
1095	uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags);
1096	if (RT_FAILURE(rc))
1097	return rc;
1098	}
1099	}
1100	else
1101	{
1102	int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves, uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags);
1103	if (RT_FAILURE(rc))
1104	return rc;
1105	}
1106
1107	/* next */
1108	uLeaf++;
1109	}
1110	}
1111	/*
1112	* Special CPUIDs needs special handling as they don't follow the
1113	* leaf count principle used above.
1114	*/
1115	else if (s_aCandidates[iOuter].fSpecial)
1116	{
1117	bool fKeep = false;
1118	if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544))
1119	fKeep = true;
1120	else if ( uLeaf == 0x8fffffff
1121	&& RT_C_IS_PRINT(RT_BYTE1(uEax))
1122	&& RT_C_IS_PRINT(RT_BYTE2(uEax))
1123	&& RT_C_IS_PRINT(RT_BYTE3(uEax))
1124	&& RT_C_IS_PRINT(RT_BYTE4(uEax))
1125	&& RT_C_IS_PRINT(RT_BYTE1(uEbx))
1126	&& RT_C_IS_PRINT(RT_BYTE2(uEbx))
1127	&& RT_C_IS_PRINT(RT_BYTE3(uEbx))
1128	&& RT_C_IS_PRINT(RT_BYTE4(uEbx))
1129	&& RT_C_IS_PRINT(RT_BYTE1(uEcx))
1130	&& RT_C_IS_PRINT(RT_BYTE2(uEcx))
1131	&& RT_C_IS_PRINT(RT_BYTE3(uEcx))
1132	&& RT_C_IS_PRINT(RT_BYTE4(uEcx))
1133	&& RT_C_IS_PRINT(RT_BYTE1(uEdx))
1134	&& RT_C_IS_PRINT(RT_BYTE2(uEdx))
1135	&& RT_C_IS_PRINT(RT_BYTE3(uEdx))
1136	&& RT_C_IS_PRINT(RT_BYTE4(uEdx)) )
1137	fKeep = true;
1138	if (fKeep)
1139	{
1140	int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves, uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0);
1141	if (RT_FAILURE(rc))
1142	return rc;
1143	}
1144	}
1145	}
1146
1147	# ifdef VBOX_STRICT
1148	cpumCpuIdAssertOrder(ppaLeaves, pcLeaves);
1149	# endif
1150	return VINF_SUCCESS;
1151	}
1152	#endif /* RT_ARCH_X86 \|\| RT_ARCH_AMD64 */
1153
1154
1155	/**
1156	* Detect the CPU vendor give n the
1157	*
1158	* @returns The vendor.
1159	* @param uEAX EAX from CPUID(0).
1160	* @param uEBX EBX from CPUID(0).
1161	* @param uECX ECX from CPUID(0).
1162	* @param uEDX EDX from CPUID(0).
1163	*/
1164	VMMDECL(CPUMCPUVENDOR) CPUMCpuIdDetectX86VendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX)
1165	{
1166	if (RTX86IsValidStdRange(uEAX))
1167	{
1168	if (RTX86IsAmdCpu(uEBX, uECX, uEDX))
1169	return CPUMCPUVENDOR_AMD;
1170
1171	if (RTX86IsIntelCpu(uEBX, uECX, uEDX))
1172	return CPUMCPUVENDOR_INTEL;
1173
1174	if (RTX86IsViaCentaurCpu(uEBX, uECX, uEDX))
1175	return CPUMCPUVENDOR_VIA;
1176
1177	if (RTX86IsShanghaiCpu(uEBX, uECX, uEDX))
1178	return CPUMCPUVENDOR_SHANGHAI;
1179
1180	if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */
1181	&& uECX == UINT32_C(0x64616574)
1182	&& uEDX == UINT32_C(0x736E4978))
1183	return CPUMCPUVENDOR_CYRIX;
1184
1185	if (RTX86IsHygonCpu(uEBX, uECX, uEDX))
1186	return CPUMCPUVENDOR_HYGON;
1187
1188	/* "Geode by NSC", example: family 5, model 9. */
1189
1190	/** @todo detect the other buggers... */
1191	}
1192
1193	return CPUMCPUVENDOR_UNKNOWN;
1194	}
1195
1196
1197	/**
1198	* Translates a CPU vendor enum value into the corresponding string constant.
1199	*
1200	* The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum
1201	* value name. This can be useful when generating code.
1202	*
1203	* @returns Read only name string.
1204	* @param enmVendor The CPU vendor value.
1205	*/
1206	VMMDECL(const char *) CPUMCpuVendorName(CPUMCPUVENDOR enmVendor)
1207	{
1208	switch (enmVendor)
1209	{
1210	case CPUMCPUVENDOR_INTEL: return "INTEL";
1211	case CPUMCPUVENDOR_AMD: return "AMD";
1212	case CPUMCPUVENDOR_VIA: return "VIA";
1213	case CPUMCPUVENDOR_CYRIX: return "CYRIX";
1214	case CPUMCPUVENDOR_SHANGHAI: return "SHANGHAI";
1215	case CPUMCPUVENDOR_HYGON: return "HYGON";
1216	case CPUMCPUVENDOR_APPLE: return "APPLE";
1217	case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN";
1218
1219	case CPUMCPUVENDOR_INVALID:
1220	case CPUMCPUVENDOR_32BIT_HACK:
1221	break;
1222	}
1223	return "Invalid-cpu-vendor";
1224	}
1225
1226
1227	static PCCPUMCPUIDLEAF cpumCpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf)
1228	{
1229	/* Could do binary search, doing linear now because I'm lazy. */
1230	PCCPUMCPUIDLEAF pLeaf = paLeaves;
1231	while (cLeaves-- > 0)
1232	{
1233	if (pLeaf->uLeaf == uLeaf)
1234	return pLeaf;
1235	pLeaf++;
1236	}
1237	return NULL;
1238	}
1239
1240
1241	static PCCPUMCPUIDLEAF cpumCpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf)
1242	{
1243	PCCPUMCPUIDLEAF pLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, uLeaf);
1244	if ( !pLeaf
1245	\|\| pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask))
1246	return pLeaf;
1247
1248	/* Linear sub-leaf search. Lazy as usual. */
1249	cLeaves -= pLeaf - paLeaves;
1250	while ( cLeaves-- > 0
1251	&& pLeaf->uLeaf == uLeaf)
1252	{
1253	if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask))
1254	return pLeaf;
1255	pLeaf++;
1256	}
1257
1258	return NULL;
1259	}
1260
1261
1262	static void cpumExplodeVmxFeatures(PCVMXMSRS pVmxMsrs, PCPUMFEATURES pFeatures)
1263	{
1264	Assert(pVmxMsrs);
1265	Assert(pFeatures);
1266	Assert(pFeatures->fVmx);
1267
1268	/* Basic information. */
1269	bool const fVmxTrueMsrs = RT_BOOL(pVmxMsrs->u64Basic & VMX_BF_BASIC_TRUE_CTLS_MASK);
1270	{
1271	uint64_t const u64Basic = pVmxMsrs->u64Basic;
1272	pFeatures->fVmxInsOutInfo = RT_BF_GET(u64Basic, VMX_BF_BASIC_VMCS_INS_OUTS);
1273	}
1274
1275	/* Pin-based VM-execution controls. */
1276	{
1277	uint32_t const fPinCtls = fVmxTrueMsrs ? pVmxMsrs->TruePinCtls.n.allowed1 : pVmxMsrs->PinCtls.n.allowed1;
1278	pFeatures->fVmxExtIntExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_EXT_INT_EXIT);
1279	pFeatures->fVmxNmiExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_NMI_EXIT);
1280	pFeatures->fVmxVirtNmi = RT_BOOL(fPinCtls & VMX_PIN_CTLS_VIRT_NMI);
1281	pFeatures->fVmxPreemptTimer = RT_BOOL(fPinCtls & VMX_PIN_CTLS_PREEMPT_TIMER);
1282	pFeatures->fVmxPostedInt = RT_BOOL(fPinCtls & VMX_PIN_CTLS_POSTED_INT);
1283	}
1284
1285	/* Processor-based VM-execution controls. */
1286	{
1287	uint32_t const fProcCtls = fVmxTrueMsrs ? pVmxMsrs->TrueProcCtls.n.allowed1 : pVmxMsrs->ProcCtls.n.allowed1;
1288	pFeatures->fVmxIntWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INT_WINDOW_EXIT);
1289	pFeatures->fVmxTscOffsetting = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TSC_OFFSETTING);
1290	pFeatures->fVmxHltExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_HLT_EXIT);
1291	pFeatures->fVmxInvlpgExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INVLPG_EXIT);
1292	pFeatures->fVmxMwaitExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MWAIT_EXIT);
1293	pFeatures->fVmxRdpmcExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDPMC_EXIT);
1294	pFeatures->fVmxRdtscExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDTSC_EXIT);
1295	pFeatures->fVmxCr3LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_LOAD_EXIT);
1296	pFeatures->fVmxCr3StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_STORE_EXIT);
1297	pFeatures->fVmxTertiaryExecCtls = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TERTIARY_CTLS);
1298	pFeatures->fVmxCr8LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_LOAD_EXIT);
1299	pFeatures->fVmxCr8StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_STORE_EXIT);
1300	pFeatures->fVmxUseTprShadow = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TPR_SHADOW);
1301	pFeatures->fVmxNmiWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_NMI_WINDOW_EXIT);
1302	pFeatures->fVmxMovDRxExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MOV_DR_EXIT);
1303	pFeatures->fVmxUncondIoExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_UNCOND_IO_EXIT);
1304	pFeatures->fVmxUseIoBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_IO_BITMAPS);
1305	pFeatures->fVmxMonitorTrapFlag = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_TRAP_FLAG);
1306	pFeatures->fVmxUseMsrBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_MSR_BITMAPS);
1307	pFeatures->fVmxMonitorExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_EXIT);
1308	pFeatures->fVmxPauseExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_PAUSE_EXIT);
1309	pFeatures->fVmxSecondaryExecCtls = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_SECONDARY_CTLS);
1310	}
1311
1312	/* Secondary processor-based VM-execution controls. */
1313	{
1314	uint32_t const fProcCtls2 = pFeatures->fVmxSecondaryExecCtls ? pVmxMsrs->ProcCtls2.n.allowed1 : 0;
1315	pFeatures->fVmxVirtApicAccess = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_APIC_ACCESS);
1316	pFeatures->fVmxEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT);
1317	pFeatures->fVmxDescTableExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_DESC_TABLE_EXIT);
1318	pFeatures->fVmxRdtscp = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDTSCP);
1319	pFeatures->fVmxVirtX2ApicMode = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_X2APIC_MODE);
1320	pFeatures->fVmxVpid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VPID);
1321	pFeatures->fVmxWbinvdExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_WBINVD_EXIT);
1322	pFeatures->fVmxUnrestrictedGuest = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_UNRESTRICTED_GUEST);
1323	pFeatures->fVmxApicRegVirt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_APIC_REG_VIRT);
1324	pFeatures->fVmxVirtIntDelivery = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_INT_DELIVERY);
1325	pFeatures->fVmxPauseLoopExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PAUSE_LOOP_EXIT);
1326	pFeatures->fVmxRdrandExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDRAND_EXIT);
1327	pFeatures->fVmxInvpcid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_INVPCID);
1328	pFeatures->fVmxVmFunc = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMFUNC);
1329	pFeatures->fVmxVmcsShadowing = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMCS_SHADOWING);
1330	pFeatures->fVmxRdseedExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDSEED_EXIT);
1331	pFeatures->fVmxPml = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PML);
1332	pFeatures->fVmxEptXcptVe = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT_XCPT_VE);
1333	pFeatures->fVmxConcealVmxFromPt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_CONCEAL_VMX_FROM_PT);
1334	pFeatures->fVmxXsavesXrstors = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_XSAVES_XRSTORS);
1335	pFeatures->fVmxPasidTranslate = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PASID_TRANSLATE);
1336	pFeatures->fVmxModeBasedExecuteEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_MODE_BASED_EPT_PERM);
1337	pFeatures->fVmxSppEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_SPP_EPT);
1338	pFeatures->fVmxPtEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PT_EPT);
1339	pFeatures->fVmxUseTscScaling = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_TSC_SCALING);
1340	pFeatures->fVmxUserWaitPause = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_USER_WAIT_PAUSE);
1341	pFeatures->fVmxPconfig = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PCONFIG);
1342	pFeatures->fVmxEnclvExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_ENCLV_EXIT);
1343	pFeatures->fVmxBusLockDetect = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_BUS_LOCK_DETECT);
1344	pFeatures->fVmxInstrTimeout = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_INSTR_TIMEOUT);
1345	}
1346
1347	/* Tertiary processor-based VM-execution controls. */
1348	{
1349	uint64_t const fProcCtls3 = pFeatures->fVmxTertiaryExecCtls ? pVmxMsrs->u64ProcCtls3 : 0;
1350	pFeatures->fVmxLoadIwKeyExit = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_LOADIWKEY_EXIT);
1351	pFeatures->fVmxHlat = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_HLAT);
1352	pFeatures->fVmxEptPagingWrite = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_EPT_PAGING_WRITE);
1353	pFeatures->fVmxGstPagingVerify = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_GST_PAGING_VERIFY);
1354	pFeatures->fVmxIpiVirt = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_IPI_VIRT);
1355	pFeatures->fVmxVirtSpecCtrl = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_VIRT_SPEC_CTRL);
1356	}
1357
1358	/* VM-exit controls. */
1359	{
1360	uint32_t const fExitCtls = fVmxTrueMsrs ? pVmxMsrs->TrueExitCtls.n.allowed1 : pVmxMsrs->ExitCtls.n.allowed1;
1361	pFeatures->fVmxExitSaveDebugCtls = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_DEBUG);
1362	pFeatures->fVmxHostAddrSpaceSize = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_HOST_ADDR_SPACE_SIZE);
1363	pFeatures->fVmxExitAckExtInt = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_ACK_EXT_INT);
1364	pFeatures->fVmxExitSavePatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PAT_MSR);
1365	pFeatures->fVmxExitLoadPatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_PAT_MSR);
1366	pFeatures->fVmxExitSaveEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_EFER_MSR);
1367	pFeatures->fVmxExitLoadEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_EFER_MSR);
1368	pFeatures->fVmxSavePreemptTimer = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PREEMPT_TIMER);
1369	pFeatures->fVmxSecondaryExitCtls = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_USE_SECONDARY_CTLS);
1370	}
1371
1372	/* VM-entry controls. */
1373	{
1374	uint32_t const fEntryCtls = fVmxTrueMsrs ? pVmxMsrs->TrueEntryCtls.n.allowed1 : pVmxMsrs->EntryCtls.n.allowed1;
1375	pFeatures->fVmxEntryLoadDebugCtls = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_DEBUG);
1376	pFeatures->fVmxIa32eModeGuest = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_IA32E_MODE_GUEST);
1377	pFeatures->fVmxEntryLoadEferMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_EFER_MSR);
1378	pFeatures->fVmxEntryLoadPatMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_PAT_MSR);
1379	}
1380
1381	/* Miscellaneous data. */
1382	{
1383	uint32_t const fMiscData = pVmxMsrs->u64Misc;
1384	pFeatures->fVmxExitSaveEferLma = RT_BOOL(fMiscData & VMX_MISC_EXIT_SAVE_EFER_LMA);
1385	pFeatures->fVmxPt = RT_BOOL(fMiscData & VMX_MISC_INTEL_PT);
1386	pFeatures->fVmxVmwriteAll = RT_BOOL(fMiscData & VMX_MISC_VMWRITE_ALL);
1387	pFeatures->fVmxEntryInjectSoftInt = RT_BOOL(fMiscData & VMX_MISC_ENTRY_INJECT_SOFT_INT);
1388	}
1389	}
1390
1391
1392	int cpumCpuIdExplodeFeaturesX86(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs, PCPUMFEATURES pFeatures)
1393	{
1394	Assert(pMsrs);
1395	RT_ZERO(*pFeatures);
1396	if (cLeaves >= 2)
1397	{
1398	AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1);
1399	AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1);
1400	PCCPUMCPUIDLEAF const pStd0Leaf = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 0, 0);
1401	AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1);
1402	PCCPUMCPUIDLEAF const pStd1Leaf = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 1, 0);
1403	AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1);
1404
1405	pFeatures->enmCpuVendor = CPUMCpuIdDetectX86VendorEx(pStd0Leaf->uEax,
1406	pStd0Leaf->uEbx,
1407	pStd0Leaf->uEcx,
1408	pStd0Leaf->uEdx);
1409	pFeatures->uFamily = RTX86GetCpuFamily(pStd1Leaf->uEax);
1410	pFeatures->uModel = RTX86GetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL);
1411	pFeatures->uStepping = RTX86GetCpuStepping(pStd1Leaf->uEax);
1412	pFeatures->enmMicroarch = CPUMCpuIdDetermineX86MicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor,
1413	pFeatures->uFamily,
1414	pFeatures->uModel,
1415	pFeatures->uStepping);
1416
1417	PCCPUMCPUIDLEAF const pExtLeaf8 = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x80000008);
1418	if (pExtLeaf8)
1419	{
1420	pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff;
1421	pFeatures->cMaxLinearAddrWidth = (pExtLeaf8->uEax >> 8) & 0xff;
1422	}
1423	else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36)
1424	{
1425	pFeatures->cMaxPhysAddrWidth = 36;
1426	pFeatures->cMaxLinearAddrWidth = 36;
1427	}
1428	else
1429	{
1430	pFeatures->cMaxPhysAddrWidth = 32;
1431	pFeatures->cMaxLinearAddrWidth = 32;
1432	}
1433
1434	/* Standard features. */
1435	pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR);
1436	pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC);
1437	pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC);
1438	pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE);
1439	pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36);
1440	pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE);
1441	pFeatures->fPge = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PGE);
1442	pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT);
1443	pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR);
1444	pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE);
1445	pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE);
1446	pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX);
1447	pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE);
1448	pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2);
1449	pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3);
1450	pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3);
1451	pFeatures->fFma = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_FMA);
1452	pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1);
1453	pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2);
1454	pFeatures->fAesNi = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AES);
1455	pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX);
1456	pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC);
1457	pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP);
1458	pFeatures->fMtrr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MTRR);
1459	pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP);
1460	pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR);
1461	pFeatures->fCmpXchg8b = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CX8);
1462	pFeatures->fCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16);
1463	pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH);
1464	pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID);
1465	pFeatures->fPopCnt = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_POPCNT);
1466	pFeatures->fRdRand = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_RDRAND);
1467	pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX);
1468	pFeatures->fPclMul = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCLMUL);
1469	pFeatures->fMovBe = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MOVBE);
1470	pFeatures->fF16c = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_F16C);
1471	if (pFeatures->fVmx)
1472	cpumExplodeVmxFeatures(&pMsrs->hwvirt.vmx, pFeatures);
1473
1474	/* Structured extended features. */
1475	PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 7, 0);
1476	if (pSxfLeaf0)
1477	{
1478	pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE);
1479	pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2);
1480	pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F);
1481	pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT);
1482	pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID);
1483	pFeatures->fBmi1 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_BMI1);
1484	pFeatures->fBmi2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_BMI2);
1485	pFeatures->fRdSeed = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_RDSEED);
1486	pFeatures->fHle = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_HLE);
1487	pFeatures->fRtm = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_RTM);
1488	pFeatures->fSha = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_SHA);
1489	pFeatures->fAdx = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_ADX);
1490
1491	pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB);
1492	pFeatures->fIbrs = pFeatures->fIbpb;
1493	pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP);
1494	pFeatures->fFlushCmd = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD);
1495	pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP);
1496	pFeatures->fMdsClear = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR);
1497	}
1498
1499	/* MWAIT/MONITOR leaf. */
1500	PCCPUMCPUIDLEAF const pMWaitLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 5);
1501	if (pMWaitLeaf)
1502	pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0))
1503	== (X86_CPUID_MWAIT_ECX_EXT \| X86_CPUID_MWAIT_ECX_BREAKIRQIF0);
1504
1505	/* Extended features. */
1506	PCCPUMCPUIDLEAF const pExtLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x80000001);
1507	if (pExtLeaf)
1508	{
1509	pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE);
1510	pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL);
1511	pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX);
1512	pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF);
1513	pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP);
1514	pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL);
1515	pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW);
1516	pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF)
1517	\|\| (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE
1518	\| X86_CPUID_AMD_FEATURE_EDX_3DNOW));
1519	pFeatures->fAbm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_ABM);
1520	}
1521
1522	/* VMX (VMXON, VMCS region and related data structures) physical address width (depends on long-mode). */
1523	pFeatures->cVmxMaxPhysAddrWidth = pFeatures->fLongMode ? pFeatures->cMaxPhysAddrWidth : 32;
1524
1525	if ( pExtLeaf
1526	&& ( pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1527	\|\| pFeatures->enmCpuVendor == CPUMCPUVENDOR_HYGON))
1528	{
1529	/* AMD features. */
1530	pFeatures->fMsr \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR);
1531	pFeatures->fApic \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC);
1532	pFeatures->fPse \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE);
1533	pFeatures->fPse36 \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36);
1534	pFeatures->fPae \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE);
1535	pFeatures->fPge \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PGE);
1536	pFeatures->fPat \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT);
1537	pFeatures->fFxSaveRstor \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR);
1538	pFeatures->fMmx \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX);
1539	pFeatures->fTsc \|= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC);
1540	pFeatures->fIbpb \|= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB);
1541	pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX);
1542	pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP);
1543	pFeatures->fTbm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_TBM);
1544	pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM);
1545	if (pFeatures->fSvm)
1546	{
1547	PCCPUMCPUIDLEAF pSvmLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a);
1548	AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1);
1549	pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING);
1550	pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT);
1551	pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK);
1552	pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE);
1553	pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR);
1554	pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN);
1555	pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID);
1556	pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS);
1557	pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER);
1558	pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD);
1559	pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC);
1560	pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD);
1561	pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF);
1562	pFeatures->fSvmGmet = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_GMET);
1563	pFeatures->fSvmX2Avic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_X2AVIC);
1564	pFeatures->fSvmSSSCheck = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SSSCHECK);
1565	pFeatures->fSvmSpecCtrl = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SPEC_CTRL);
1566	pFeatures->fSvmRoGpt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_ROGPT);
1567	pFeatures->fSvmHostMceOverride = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_HOST_MCE_OVERRIDE);
1568	pFeatures->fSvmTlbiCtl = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TLBICTL);
1569	pFeatures->fSvmVNmi = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VNMI);
1570	pFeatures->fSvmIbsVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_IBS_VIRT);
1571	pFeatures->fSvmExtLvtAvicAccessChg = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_EXT_LVT_AVIC_ACCESS_CHG);
1572	pFeatures->fSvmNstVirtVmcbAddrChk = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NST_VIRT_VMCB_ADDR_CHK);
1573	pFeatures->fSvmBusLockThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_BUS_LOCK_THRESHOLD);
1574	pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx;
1575	}
1576	}
1577
1578	/*
1579	* Quirks.
1580	*/
1581	pFeatures->fLeakyFxSR = pExtLeaf
1582	&& (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR)
1583	&& ( ( pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD
1584	&& pFeatures->uFamily >= 6 /* K7 and up */)
1585	\|\| pFeatures->enmCpuVendor == CPUMCPUVENDOR_HYGON);
1586
1587	/*
1588	* Max extended (/FPU) state.
1589	*/
1590	pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE);
1591	if (pFeatures->fXSaveRstor)
1592	{
1593	PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 13, 0);
1594	if (pXStateLeaf0)
1595	{
1596	if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE)
1597	&& pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE
1598	&& RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx
1599	&& pXStateLeaf0->uEbx >= sizeof(X86FXSTATE)
1600	&& pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx
1601	&& RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx)
1602	{
1603	pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx;
1604
1605	/* (paranoia:) */
1606	PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 13, 1);
1607	if ( pXStateLeaf1
1608	&& pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState
1609	&& pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE
1610	&& (pXStateLeaf1->uEcx \|\| pXStateLeaf1->uEdx) )
1611	pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx;
1612	}
1613	else
1614	AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx),
1615	pFeatures->fXSaveRstor = 0);
1616	}
1617	else
1618	AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"),
1619	pFeatures->fXSaveRstor = 0);
1620	}
1621
1622	/*
1623	* Enable or disable VEX support depending on whether it's needed. Note that AVX,
1624	* BMI1, and BMI2 all use VEX encoding but are theoretically independent of each other.
1625	*/
1626	pFeatures->fVex = pFeatures->fAvx \| pFeatures->fBmi1 \| pFeatures->fBmi2;
1627	}
1628	else
1629	AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1);
1630	return VINF_SUCCESS;
1631	}
1632

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source: vbox/trunk/src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp@ 107044

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