diff options
Diffstat (limited to 'src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp')
| -rw-r--r-- | src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp | 1599 |
1 files changed, 1599 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp b/src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp new file mode 100644 index 00000000..e34b8cd4 --- /dev/null +++ b/src/VBox/VMM/VMMAll/CPUMAllCpuId.cpp @@ -0,0 +1,1599 @@ +/* $Id: CPUMAllCpuId.cpp $ */ +/** @file + * CPUM - CPU ID part, common bits. + */ + +/* + * Copyright (C) 2013-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_CPUM +#include <VBox/vmm/cpum.h> +#include <VBox/vmm/hm.h> +#include <VBox/vmm/ssm.h> +#include "CPUMInternal.h" +#include <VBox/vmm/vmcc.h> +#include <VBox/sup.h> + +#include <VBox/err.h> +#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64) +# include <iprt/asm-amd64-x86.h> +#endif +#include <iprt/ctype.h> +#include <iprt/mem.h> +#include <iprt/string.h> +#include <iprt/x86-helpers.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** + * The intel pentium family. + */ +static const CPUMMICROARCH g_aenmIntelFamily06[] = +{ + /* [ 0(0x00)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro A-step (says sandpile.org). */ + /* [ 1(0x01)] = */ kCpumMicroarch_Intel_P6, /* Pentium Pro */ + /* [ 2(0x02)] = */ kCpumMicroarch_Intel_Unknown, + /* [ 3(0x03)] = */ kCpumMicroarch_Intel_P6_II, /* PII Klamath */ + /* [ 4(0x04)] = */ kCpumMicroarch_Intel_Unknown, + /* [ 5(0x05)] = */ kCpumMicroarch_Intel_P6_II, /* PII Deschutes */ + /* [ 6(0x06)] = */ kCpumMicroarch_Intel_P6_II, /* Celeron Mendocino. */ + /* [ 7(0x07)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Katmai. */ + /* [ 8(0x08)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Coppermine (includes Celeron). */ + /* [ 9(0x09)] = */ kCpumMicroarch_Intel_P6_M_Banias, /* Pentium/Celeron M Banias. */ + /* [10(0x0a)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Xeon */ + /* [11(0x0b)] = */ kCpumMicroarch_Intel_P6_III, /* PIII Tualatin (includes Celeron). */ + /* [12(0x0c)] = */ kCpumMicroarch_Intel_Unknown, + /* [13(0x0d)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Pentium/Celeron M Dothan. */ + /* [14(0x0e)] = */ kCpumMicroarch_Intel_Core_Yonah, /* Core Yonah (Enhanced Pentium M). */ + /* [15(0x0f)] = */ kCpumMicroarch_Intel_Core2_Merom, /* Merom */ + /* [16(0x10)] = */ kCpumMicroarch_Intel_Unknown, + /* [17(0x11)] = */ kCpumMicroarch_Intel_Unknown, + /* [18(0x12)] = */ kCpumMicroarch_Intel_Unknown, + /* [19(0x13)] = */ kCpumMicroarch_Intel_Unknown, + /* [20(0x14)] = */ kCpumMicroarch_Intel_Unknown, + /* [21(0x15)] = */ kCpumMicroarch_Intel_P6_M_Dothan, /* Tolapai - System-on-a-chip. */ + /* [22(0x16)] = */ kCpumMicroarch_Intel_Core2_Merom, + /* [23(0x17)] = */ kCpumMicroarch_Intel_Core2_Penryn, + /* [24(0x18)] = */ kCpumMicroarch_Intel_Unknown, + /* [25(0x19)] = */ kCpumMicroarch_Intel_Unknown, + /* [26(0x1a)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Nehalem-EP */ + /* [27(0x1b)] = */ kCpumMicroarch_Intel_Unknown, + /* [28(0x1c)] = */ kCpumMicroarch_Intel_Atom_Bonnell, /* Diamonville, Pineview, */ + /* [29(0x1d)] = */ kCpumMicroarch_Intel_Core2_Penryn, + /* [30(0x1e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Clarksfield, Lynnfield, Jasper Forest. */ + /* [31(0x1f)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Only listed by sandpile.org. 2 cores ABD/HVD, whatever that means. */ + /* [32(0x20)] = */ kCpumMicroarch_Intel_Unknown, + /* [33(0x21)] = */ kCpumMicroarch_Intel_Unknown, + /* [34(0x22)] = */ kCpumMicroarch_Intel_Unknown, + /* [35(0x23)] = */ kCpumMicroarch_Intel_Unknown, + /* [36(0x24)] = */ kCpumMicroarch_Intel_Unknown, + /* [37(0x25)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Arrandale, Clarksdale. */ + /* [38(0x26)] = */ kCpumMicroarch_Intel_Atom_Lincroft, + /* [39(0x27)] = */ kCpumMicroarch_Intel_Atom_Saltwell, + /* [40(0x28)] = */ kCpumMicroarch_Intel_Unknown, + /* [41(0x29)] = */ kCpumMicroarch_Intel_Unknown, + /* [42(0x2a)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, + /* [43(0x2b)] = */ kCpumMicroarch_Intel_Unknown, + /* [44(0x2c)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Gulftown, Westmere-EP. */ + /* [45(0x2d)] = */ kCpumMicroarch_Intel_Core7_SandyBridge, /* SandyBridge-E, SandyBridge-EN, SandyBridge-EP. */ + /* [46(0x2e)] = */ kCpumMicroarch_Intel_Core7_Nehalem, /* Beckton (Xeon). */ + /* [47(0x2f)] = */ kCpumMicroarch_Intel_Core7_Westmere, /* Westmere-EX. */ + /* [48(0x30)] = */ kCpumMicroarch_Intel_Unknown, + /* [49(0x31)] = */ kCpumMicroarch_Intel_Unknown, + /* [50(0x32)] = */ kCpumMicroarch_Intel_Unknown, + /* [51(0x33)] = */ kCpumMicroarch_Intel_Unknown, + /* [52(0x34)] = */ kCpumMicroarch_Intel_Unknown, + /* [53(0x35)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* ?? */ + /* [54(0x36)] = */ kCpumMicroarch_Intel_Atom_Saltwell, /* Cedarview, ++ */ + /* [55(0x37)] = */ kCpumMicroarch_Intel_Atom_Silvermont, + /* [56(0x38)] = */ kCpumMicroarch_Intel_Unknown, + /* [57(0x39)] = */ kCpumMicroarch_Intel_Unknown, + /* [58(0x3a)] = */ kCpumMicroarch_Intel_Core7_IvyBridge, + /* [59(0x3b)] = */ kCpumMicroarch_Intel_Unknown, + /* [60(0x3c)] = */ kCpumMicroarch_Intel_Core7_Haswell, + /* [61(0x3d)] = */ kCpumMicroarch_Intel_Core7_Broadwell, + /* [62(0x3e)] = */ kCpumMicroarch_Intel_Core7_IvyBridge, + /* [63(0x3f)] = */ kCpumMicroarch_Intel_Core7_Haswell, + /* [64(0x40)] = */ kCpumMicroarch_Intel_Unknown, + /* [65(0x41)] = */ kCpumMicroarch_Intel_Unknown, + /* [66(0x42)] = */ kCpumMicroarch_Intel_Unknown, + /* [67(0x43)] = */ kCpumMicroarch_Intel_Unknown, + /* [68(0x44)] = */ kCpumMicroarch_Intel_Unknown, + /* [69(0x45)] = */ kCpumMicroarch_Intel_Core7_Haswell, + /* [70(0x46)] = */ kCpumMicroarch_Intel_Core7_Haswell, + /* [71(0x47)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* i7-5775C */ + /* [72(0x48)] = */ kCpumMicroarch_Intel_Unknown, + /* [73(0x49)] = */ kCpumMicroarch_Intel_Unknown, + /* [74(0x4a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, + /* [75(0x4b)] = */ kCpumMicroarch_Intel_Unknown, + /* [76(0x4c)] = */ kCpumMicroarch_Intel_Atom_Airmount, + /* [77(0x4d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, + /* [78(0x4e)] = */ kCpumMicroarch_Intel_Core7_Skylake, + /* [79(0x4f)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Broadwell-E */ + /* [80(0x50)] = */ kCpumMicroarch_Intel_Unknown, + /* [81(0x51)] = */ kCpumMicroarch_Intel_Unknown, + /* [82(0x52)] = */ kCpumMicroarch_Intel_Unknown, + /* [83(0x53)] = */ kCpumMicroarch_Intel_Unknown, + /* [84(0x54)] = */ kCpumMicroarch_Intel_Unknown, + /* [85(0x55)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* server cpu; skylake <= 4, cascade lake > 5 */ + /* [86(0x56)] = */ kCpumMicroarch_Intel_Core7_Broadwell, /* Xeon D-1540, Broadwell-DE */ + /* [87(0x57)] = */ kCpumMicroarch_Intel_Phi_KnightsLanding, + /* [88(0x58)] = */ kCpumMicroarch_Intel_Unknown, + /* [89(0x59)] = */ kCpumMicroarch_Intel_Unknown, + /* [90(0x5a)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* Moorefield */ + /* [91(0x5b)] = */ kCpumMicroarch_Intel_Unknown, + /* [92(0x5c)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Apollo Lake */ + /* [93(0x5d)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* x3-C3230 */ + /* [94(0x5e)] = */ kCpumMicroarch_Intel_Core7_Skylake, /* i7-6700K */ + /* [95(0x5f)] = */ kCpumMicroarch_Intel_Atom_Goldmont, /* Denverton */ + /* [96(0x60)] = */ kCpumMicroarch_Intel_Unknown, + /* [97(0x61)] = */ kCpumMicroarch_Intel_Unknown, + /* [98(0x62)] = */ kCpumMicroarch_Intel_Unknown, + /* [99(0x63)] = */ kCpumMicroarch_Intel_Unknown, + /*[100(0x64)] = */ kCpumMicroarch_Intel_Unknown, + /*[101(0x65)] = */ kCpumMicroarch_Intel_Atom_Silvermont, /* SoFIA */ + /*[102(0x66)] = */ kCpumMicroarch_Intel_Core7_CannonLake, /* unconfirmed */ + /*[103(0x67)] = */ kCpumMicroarch_Intel_Unknown, + /*[104(0x68)] = */ kCpumMicroarch_Intel_Unknown, + /*[105(0x69)] = */ kCpumMicroarch_Intel_Unknown, + /*[106(0x6a)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed server */ + /*[107(0x6b)] = */ kCpumMicroarch_Intel_Unknown, + /*[108(0x6c)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed server */ + /*[109(0x6d)] = */ kCpumMicroarch_Intel_Unknown, + /*[110(0x6e)] = */ kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */ + /*[111(0x6f)] = */ kCpumMicroarch_Intel_Unknown, + /*[112(0x70)] = */ kCpumMicroarch_Intel_Unknown, + /*[113(0x71)] = */ kCpumMicroarch_Intel_Unknown, + /*[114(0x72)] = */ kCpumMicroarch_Intel_Unknown, + /*[115(0x73)] = */ kCpumMicroarch_Intel_Unknown, + /*[116(0x74)] = */ kCpumMicroarch_Intel_Unknown, + /*[117(0x75)] = */ kCpumMicroarch_Intel_Atom_Airmount, /* or silvermount? */ + /*[118(0x76)] = */ kCpumMicroarch_Intel_Unknown, + /*[119(0x77)] = */ kCpumMicroarch_Intel_Unknown, + /*[120(0x78)] = */ kCpumMicroarch_Intel_Unknown, + /*[121(0x79)] = */ kCpumMicroarch_Intel_Unknown, + /*[122(0x7a)] = */ kCpumMicroarch_Intel_Atom_GoldmontPlus, + /*[123(0x7b)] = */ kCpumMicroarch_Intel_Unknown, + /*[124(0x7c)] = */ kCpumMicroarch_Intel_Unknown, + /*[125(0x7d)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */ + /*[126(0x7e)] = */ kCpumMicroarch_Intel_Core7_IceLake, /* unconfirmed */ + /*[127(0x7f)] = */ kCpumMicroarch_Intel_Unknown, + /*[128(0x80)] = */ kCpumMicroarch_Intel_Unknown, + /*[129(0x81)] = */ kCpumMicroarch_Intel_Unknown, + /*[130(0x82)] = */ kCpumMicroarch_Intel_Unknown, + /*[131(0x83)] = */ kCpumMicroarch_Intel_Unknown, + /*[132(0x84)] = */ kCpumMicroarch_Intel_Unknown, + /*[133(0x85)] = */ kCpumMicroarch_Intel_Phi_KnightsMill, + /*[134(0x86)] = */ kCpumMicroarch_Intel_Unknown, + /*[135(0x87)] = */ kCpumMicroarch_Intel_Unknown, + /*[136(0x88)] = */ kCpumMicroarch_Intel_Unknown, + /*[137(0x89)] = */ kCpumMicroarch_Intel_Unknown, + /*[138(0x8a)] = */ kCpumMicroarch_Intel_Unknown, + /*[139(0x8b)] = */ kCpumMicroarch_Intel_Unknown, + /*[140(0x8c)] = */ kCpumMicroarch_Intel_Core7_TigerLake, /* 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz (bird) */ + /*[141(0x8d)] = */ kCpumMicroarch_Intel_Core7_TigerLake, /* unconfirmed */ + /*[142(0x8e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */ + /*[143(0x8f)] = */ kCpumMicroarch_Intel_Core7_SapphireRapids, + /*[144(0x90)] = */ kCpumMicroarch_Intel_Unknown, + /*[145(0x91)] = */ kCpumMicroarch_Intel_Unknown, + /*[146(0x92)] = */ kCpumMicroarch_Intel_Unknown, + /*[147(0x93)] = */ kCpumMicroarch_Intel_Unknown, + /*[148(0x94)] = */ kCpumMicroarch_Intel_Unknown, + /*[149(0x95)] = */ kCpumMicroarch_Intel_Unknown, + /*[150(0x96)] = */ kCpumMicroarch_Intel_Unknown, + /*[151(0x97)] = */ kCpumMicroarch_Intel_Core7_AlderLake, /* unconfirmed, unreleased */ + /*[152(0x98)] = */ kCpumMicroarch_Intel_Unknown, + /*[153(0x99)] = */ kCpumMicroarch_Intel_Unknown, + /*[154(0x9a)] = */ kCpumMicroarch_Intel_Core7_AlderLake, /* unconfirmed, unreleased */ + /*[155(0x9b)] = */ kCpumMicroarch_Intel_Unknown, + /*[156(0x9c)] = */ kCpumMicroarch_Intel_Unknown, + /*[157(0x9d)] = */ kCpumMicroarch_Intel_Unknown, + /*[158(0x9e)] = */ kCpumMicroarch_Intel_Core7_KabyLake, /* Stepping >= 0xB is Whiskey Lake, 0xA is CoffeeLake. */ + /*[159(0x9f)] = */ kCpumMicroarch_Intel_Unknown, + /*[160(0xa0)] = */ kCpumMicroarch_Intel_Unknown, + /*[161(0xa1)] = */ kCpumMicroarch_Intel_Unknown, + /*[162(0xa2)] = */ kCpumMicroarch_Intel_Unknown, + /*[163(0xa3)] = */ kCpumMicroarch_Intel_Unknown, + /*[164(0xa4)] = */ kCpumMicroarch_Intel_Unknown, + /*[165(0xa5)] = */ kCpumMicroarch_Intel_Core7_CometLake, /* unconfirmed */ + /*[166(0xa6)] = */ kCpumMicroarch_Intel_Unknown, + /*[167(0xa7)] = */ kCpumMicroarch_Intel_Core7_CypressCove, /* 14nm backport, unconfirmed */ +}; +AssertCompile(RT_ELEMENTS(g_aenmIntelFamily06) == 0xa7+1); + + +/** + * Figures out the (sub-)micro architecture given a bit of CPUID info. + * + * @returns Micro architecture. + * @param enmVendor The CPU vendor. + * @param bFamily The CPU family. + * @param bModel The CPU model. + * @param bStepping The CPU stepping. + */ +VMMDECL(CPUMMICROARCH) CPUMCpuIdDetermineX86MicroarchEx(CPUMCPUVENDOR enmVendor, uint8_t bFamily, + uint8_t bModel, uint8_t bStepping) +{ + if (enmVendor == CPUMCPUVENDOR_AMD) + { + switch (bFamily) + { + case 0x02: return kCpumMicroarch_AMD_Am286; /* Not really kosher... */ + case 0x03: return kCpumMicroarch_AMD_Am386; + case 0x23: return kCpumMicroarch_AMD_Am386; /* SX*/ + case 0x04: return bModel < 14 ? kCpumMicroarch_AMD_Am486 : kCpumMicroarch_AMD_Am486Enh; + case 0x05: return bModel < 6 ? kCpumMicroarch_AMD_K5 : kCpumMicroarch_AMD_K6; /* Genode LX is 0x0a, lump it with K6. */ + case 0x06: + switch (bModel) + { + case 0: return kCpumMicroarch_AMD_K7_Palomino; + case 1: return kCpumMicroarch_AMD_K7_Palomino; + case 2: return kCpumMicroarch_AMD_K7_Palomino; + case 3: return kCpumMicroarch_AMD_K7_Spitfire; + case 4: return kCpumMicroarch_AMD_K7_Thunderbird; + case 6: return kCpumMicroarch_AMD_K7_Palomino; + case 7: return kCpumMicroarch_AMD_K7_Morgan; + case 8: return kCpumMicroarch_AMD_K7_Thoroughbred; + case 10: return kCpumMicroarch_AMD_K7_Barton; /* Thorton too. */ + } + return kCpumMicroarch_AMD_K7_Unknown; + case 0x0f: + /* + * This family is a friggin mess. Trying my best to make some + * sense out of it. Too much happened in the 0x0f family to + * lump it all together as K8 (130nm->90nm->65nm, AMD-V, ++). + * + * Emperical CPUID.01h.EAX evidence from revision guides, wikipedia, + * cpu-world.com, and other places: + * - 130nm: + * - ClawHammer: F7A/SH-CG, F5A/-CG, F4A/-CG, F50/-B0, F48/-C0, F58/-C0, + * - SledgeHammer: F50/SH-B0, F48/-C0, F58/-C0, F4A/-CG, F5A/-CG, F7A/-CG, F51/-B3 + * - Newcastle: FC0/DH-CG (erratum #180: FE0/DH-CG), FF0/DH-CG + * - Dublin: FC0/-CG, FF0/-CG, F82/CH-CG, F4A/-CG, F48/SH-C0, + * - Odessa: FC0/DH-CG (erratum #180: FE0/DH-CG) + * - Paris: FF0/DH-CG, FC0/DH-CG (erratum #180: FE0/DH-CG), + * - 90nm: + * - Winchester: 10FF0/DH-D0, 20FF0/DH-E3. + * - Oakville: 10FC0/DH-D0. + * - Georgetown: 10FC0/DH-D0. + * - Sonora: 10FC0/DH-D0. + * - Venus: 20F71/SH-E4 + * - Troy: 20F51/SH-E4 + * - Athens: 20F51/SH-E4 + * - San Diego: 20F71/SH-E4. + * - Lancaster: 20F42/SH-E5 + * - Newark: 20F42/SH-E5. + * - Albany: 20FC2/DH-E6. + * - Roma: 20FC2/DH-E6. + * - Venice: 20FF0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6. + * - Palermo: 10FC0/DH-D0, 20FF0/DH-E3, 20FC0/DH-E3, 20FC2/DH-E6, 20FF2/DH-E6 + * - 90nm introducing Dual core: + * - Denmark: 20F30/JH-E1, 20F32/JH-E6 + * - Italy: 20F10/JH-E1, 20F12/JH-E6 + * - Egypt: 20F10/JH-E1, 20F12/JH-E6 + * - Toledo: 20F32/JH-E6, 30F72/DH-E6 (single code variant). + * - Manchester: 20FB1/BH-E4, 30FF2/BH-E4. + * - 90nm 2nd gen opteron ++, AMD-V introduced (might be missing in some cheaper models): + * - Santa Ana: 40F32/JH-F2, /-F3 + * - Santa Rosa: 40F12/JH-F2, 40F13/JH-F3 + * - Windsor: 40F32/JH-F2, 40F33/JH-F3, C0F13/JH-F3, 40FB2/BH-F2, ??20FB1/BH-E4??. + * - Manila: 50FF2/DH-F2, 40FF2/DH-F2 + * - Orleans: 40FF2/DH-F2, 50FF2/DH-F2, 50FF3/DH-F3. + * - Keene: 40FC2/DH-F2. + * - Richmond: 40FC2/DH-F2 + * - Taylor: 40F82/BH-F2 + * - Trinidad: 40F82/BH-F2 + * + * - 65nm: + * - Brisbane: 60FB1/BH-G1, 60FB2/BH-G2. + * - Tyler: 60F81/BH-G1, 60F82/BH-G2. + * - Sparta: 70FF1/DH-G1, 70FF2/DH-G2. + * - Lima: 70FF1/DH-G1, 70FF2/DH-G2. + * - Sherman: /-G1, 70FC2/DH-G2. + * - Huron: 70FF2/DH-G2. + */ + if (bModel < 0x10) + return kCpumMicroarch_AMD_K8_130nm; + if (bModel >= 0x60 && bModel < 0x80) + return kCpumMicroarch_AMD_K8_65nm; + if (bModel >= 0x40) + return kCpumMicroarch_AMD_K8_90nm_AMDV; + switch (bModel) + { + case 0x21: + case 0x23: + case 0x2b: + case 0x2f: + case 0x37: + case 0x3f: + return kCpumMicroarch_AMD_K8_90nm_DualCore; + } + return kCpumMicroarch_AMD_K8_90nm; + case 0x10: + return kCpumMicroarch_AMD_K10; + case 0x11: + return kCpumMicroarch_AMD_K10_Lion; + case 0x12: + return kCpumMicroarch_AMD_K10_Llano; + case 0x14: + return kCpumMicroarch_AMD_Bobcat; + case 0x15: + switch (bModel) + { + case 0x00: return kCpumMicroarch_AMD_15h_Bulldozer; /* Any? prerelease? */ + case 0x01: return kCpumMicroarch_AMD_15h_Bulldozer; /* Opteron 4200, FX-81xx. */ + case 0x02: return kCpumMicroarch_AMD_15h_Piledriver; /* Opteron 4300, FX-83xx. */ + case 0x10: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-5800K for e.g. */ + case 0x11: /* ?? */ + case 0x12: /* ?? */ + case 0x13: return kCpumMicroarch_AMD_15h_Piledriver; /* A10-6800K for e.g. */ + } + return kCpumMicroarch_AMD_15h_Unknown; + case 0x16: + return kCpumMicroarch_AMD_Jaguar; + case 0x17: + return kCpumMicroarch_AMD_Zen_Ryzen; + } + return kCpumMicroarch_AMD_Unknown; + } + + if (enmVendor == CPUMCPUVENDOR_INTEL) + { + switch (bFamily) + { + case 3: + return kCpumMicroarch_Intel_80386; + case 4: + return kCpumMicroarch_Intel_80486; + case 5: + return kCpumMicroarch_Intel_P5; + case 6: + if (bModel < RT_ELEMENTS(g_aenmIntelFamily06)) + { + CPUMMICROARCH enmMicroArch = g_aenmIntelFamily06[bModel]; + if (enmMicroArch == kCpumMicroarch_Intel_Core7_KabyLake) + { + if (bStepping >= 0xa && bStepping <= 0xc) + enmMicroArch = kCpumMicroarch_Intel_Core7_CoffeeLake; + else if (bStepping >= 0xc) + enmMicroArch = kCpumMicroarch_Intel_Core7_WhiskeyLake; + } + else if ( enmMicroArch == kCpumMicroarch_Intel_Core7_Skylake + && bModel == 0x55 + && bStepping >= 5) + enmMicroArch = kCpumMicroarch_Intel_Core7_CascadeLake; + return enmMicroArch; + } + return kCpumMicroarch_Intel_Atom_Unknown; + case 15: + switch (bModel) + { + case 0: return kCpumMicroarch_Intel_NB_Willamette; + case 1: return kCpumMicroarch_Intel_NB_Willamette; + case 2: return kCpumMicroarch_Intel_NB_Northwood; + case 3: return kCpumMicroarch_Intel_NB_Prescott; + case 4: return kCpumMicroarch_Intel_NB_Prescott2M; /* ?? */ + case 5: return kCpumMicroarch_Intel_NB_Unknown; /*??*/ + case 6: return kCpumMicroarch_Intel_NB_CedarMill; + case 7: return kCpumMicroarch_Intel_NB_Gallatin; + default: return kCpumMicroarch_Intel_NB_Unknown; + } + break; + /* The following are not kosher but kind of follow intuitively from 6, 5 & 4. */ + case 0: + return kCpumMicroarch_Intel_8086; + case 1: + return kCpumMicroarch_Intel_80186; + case 2: + return kCpumMicroarch_Intel_80286; + } + return kCpumMicroarch_Intel_Unknown; + } + + if (enmVendor == CPUMCPUVENDOR_VIA) + { + switch (bFamily) + { + case 5: + switch (bModel) + { + case 1: return kCpumMicroarch_Centaur_C6; + case 4: return kCpumMicroarch_Centaur_C6; + case 8: return kCpumMicroarch_Centaur_C2; + case 9: return kCpumMicroarch_Centaur_C3; + } + break; + + case 6: + switch (bModel) + { + case 5: return kCpumMicroarch_VIA_C3_M2; + case 6: return kCpumMicroarch_VIA_C3_C5A; + case 7: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5B : kCpumMicroarch_VIA_C3_C5C; + case 8: return kCpumMicroarch_VIA_C3_C5N; + case 9: return bStepping < 8 ? kCpumMicroarch_VIA_C3_C5XL : kCpumMicroarch_VIA_C3_C5P; + case 10: return kCpumMicroarch_VIA_C7_C5J; + case 15: return kCpumMicroarch_VIA_Isaiah; + } + break; + } + return kCpumMicroarch_VIA_Unknown; + } + + if (enmVendor == CPUMCPUVENDOR_SHANGHAI) + { + switch (bFamily) + { + case 6: + case 7: + return kCpumMicroarch_Shanghai_Wudaokou; + default: + break; + } + return kCpumMicroarch_Shanghai_Unknown; + } + + if (enmVendor == CPUMCPUVENDOR_CYRIX) + { + switch (bFamily) + { + case 4: + switch (bModel) + { + case 9: return kCpumMicroarch_Cyrix_5x86; + } + break; + + case 5: + switch (bModel) + { + case 2: return kCpumMicroarch_Cyrix_M1; + case 4: return kCpumMicroarch_Cyrix_MediaGX; + case 5: return kCpumMicroarch_Cyrix_MediaGXm; + } + break; + + case 6: + switch (bModel) + { + case 0: return kCpumMicroarch_Cyrix_M2; + } + break; + + } + return kCpumMicroarch_Cyrix_Unknown; + } + + if (enmVendor == CPUMCPUVENDOR_HYGON) + { + switch (bFamily) + { + case 0x18: + return kCpumMicroarch_Hygon_Dhyana; + default: + break; + } + return kCpumMicroarch_Hygon_Unknown; + } + + return kCpumMicroarch_Unknown; +} + + +/** + * Translates a microarchitecture enum value to the corresponding string + * constant. + * + * @returns Read-only string constant (omits "kCpumMicroarch_" prefix). Returns + * NULL if the value is invalid. + * + * @param enmMicroarch The enum value to convert. + */ +VMMDECL(const char *) CPUMMicroarchName(CPUMMICROARCH enmMicroarch) +{ + switch (enmMicroarch) + { +#define CASE_RET_STR(enmValue) case enmValue: return #enmValue + (sizeof("kCpumMicroarch_") - 1) + CASE_RET_STR(kCpumMicroarch_Intel_8086); + CASE_RET_STR(kCpumMicroarch_Intel_80186); + CASE_RET_STR(kCpumMicroarch_Intel_80286); + CASE_RET_STR(kCpumMicroarch_Intel_80386); + CASE_RET_STR(kCpumMicroarch_Intel_80486); + CASE_RET_STR(kCpumMicroarch_Intel_P5); + + CASE_RET_STR(kCpumMicroarch_Intel_P6); + CASE_RET_STR(kCpumMicroarch_Intel_P6_II); + CASE_RET_STR(kCpumMicroarch_Intel_P6_III); + + CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Banias); + CASE_RET_STR(kCpumMicroarch_Intel_P6_M_Dothan); + CASE_RET_STR(kCpumMicroarch_Intel_Core_Yonah); + + CASE_RET_STR(kCpumMicroarch_Intel_Core2_Merom); + CASE_RET_STR(kCpumMicroarch_Intel_Core2_Penryn); + + CASE_RET_STR(kCpumMicroarch_Intel_Core7_Nehalem); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_Westmere); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_SandyBridge); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_IvyBridge); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_Haswell); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_Broadwell); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_Skylake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_KabyLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_CoffeeLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_WhiskeyLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_CascadeLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_CannonLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_CometLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_IceLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_RocketLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_TigerLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_AlderLake); + CASE_RET_STR(kCpumMicroarch_Intel_Core7_SapphireRapids); + + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Bonnell); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Lincroft); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Saltwell); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Silvermont); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Airmount); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Goldmont); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_GoldmontPlus); + CASE_RET_STR(kCpumMicroarch_Intel_Atom_Unknown); + + CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsFerry); + CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsCorner); + CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsLanding); + CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsHill); + CASE_RET_STR(kCpumMicroarch_Intel_Phi_KnightsMill); + + CASE_RET_STR(kCpumMicroarch_Intel_NB_Willamette); + CASE_RET_STR(kCpumMicroarch_Intel_NB_Northwood); + CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott); + CASE_RET_STR(kCpumMicroarch_Intel_NB_Prescott2M); + CASE_RET_STR(kCpumMicroarch_Intel_NB_CedarMill); + CASE_RET_STR(kCpumMicroarch_Intel_NB_Gallatin); + CASE_RET_STR(kCpumMicroarch_Intel_NB_Unknown); + + CASE_RET_STR(kCpumMicroarch_Intel_Unknown); + + CASE_RET_STR(kCpumMicroarch_AMD_Am286); + CASE_RET_STR(kCpumMicroarch_AMD_Am386); + CASE_RET_STR(kCpumMicroarch_AMD_Am486); + CASE_RET_STR(kCpumMicroarch_AMD_Am486Enh); + CASE_RET_STR(kCpumMicroarch_AMD_K5); + CASE_RET_STR(kCpumMicroarch_AMD_K6); + + CASE_RET_STR(kCpumMicroarch_AMD_K7_Palomino); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Spitfire); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Thunderbird); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Morgan); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Thoroughbred); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Barton); + CASE_RET_STR(kCpumMicroarch_AMD_K7_Unknown); + + CASE_RET_STR(kCpumMicroarch_AMD_K8_130nm); + CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm); + CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_DualCore); + CASE_RET_STR(kCpumMicroarch_AMD_K8_90nm_AMDV); + CASE_RET_STR(kCpumMicroarch_AMD_K8_65nm); + + CASE_RET_STR(kCpumMicroarch_AMD_K10); + CASE_RET_STR(kCpumMicroarch_AMD_K10_Lion); + CASE_RET_STR(kCpumMicroarch_AMD_K10_Llano); + CASE_RET_STR(kCpumMicroarch_AMD_Bobcat); + CASE_RET_STR(kCpumMicroarch_AMD_Jaguar); + + CASE_RET_STR(kCpumMicroarch_AMD_15h_Bulldozer); + CASE_RET_STR(kCpumMicroarch_AMD_15h_Piledriver); + CASE_RET_STR(kCpumMicroarch_AMD_15h_Steamroller); + CASE_RET_STR(kCpumMicroarch_AMD_15h_Excavator); + CASE_RET_STR(kCpumMicroarch_AMD_15h_Unknown); + + CASE_RET_STR(kCpumMicroarch_AMD_16h_First); + + CASE_RET_STR(kCpumMicroarch_AMD_Zen_Ryzen); + + CASE_RET_STR(kCpumMicroarch_AMD_Unknown); + + CASE_RET_STR(kCpumMicroarch_Hygon_Dhyana); + CASE_RET_STR(kCpumMicroarch_Hygon_Unknown); + + CASE_RET_STR(kCpumMicroarch_Centaur_C6); + CASE_RET_STR(kCpumMicroarch_Centaur_C2); + CASE_RET_STR(kCpumMicroarch_Centaur_C3); + CASE_RET_STR(kCpumMicroarch_VIA_C3_M2); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5A); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5B); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5C); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5N); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5XL); + CASE_RET_STR(kCpumMicroarch_VIA_C3_C5P); + CASE_RET_STR(kCpumMicroarch_VIA_C7_C5J); + CASE_RET_STR(kCpumMicroarch_VIA_Isaiah); + CASE_RET_STR(kCpumMicroarch_VIA_Unknown); + + CASE_RET_STR(kCpumMicroarch_Shanghai_Wudaokou); + CASE_RET_STR(kCpumMicroarch_Shanghai_Unknown); + + CASE_RET_STR(kCpumMicroarch_Cyrix_5x86); + CASE_RET_STR(kCpumMicroarch_Cyrix_M1); + CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGX); + CASE_RET_STR(kCpumMicroarch_Cyrix_MediaGXm); + CASE_RET_STR(kCpumMicroarch_Cyrix_M2); + CASE_RET_STR(kCpumMicroarch_Cyrix_Unknown); + + CASE_RET_STR(kCpumMicroarch_NEC_V20); + CASE_RET_STR(kCpumMicroarch_NEC_V30); + + CASE_RET_STR(kCpumMicroarch_Unknown); + +#undef CASE_RET_STR + case kCpumMicroarch_Invalid: + case kCpumMicroarch_Intel_End: + case kCpumMicroarch_Intel_Core2_End: + case kCpumMicroarch_Intel_Core7_End: + case kCpumMicroarch_Intel_Atom_End: + case kCpumMicroarch_Intel_P6_Core_Atom_End: + case kCpumMicroarch_Intel_Phi_End: + case kCpumMicroarch_Intel_NB_End: + case kCpumMicroarch_AMD_K7_End: + case kCpumMicroarch_AMD_K8_End: + case kCpumMicroarch_AMD_15h_End: + case kCpumMicroarch_AMD_16h_End: + case kCpumMicroarch_AMD_Zen_End: + case kCpumMicroarch_AMD_End: + case kCpumMicroarch_Hygon_End: + case kCpumMicroarch_VIA_End: + case kCpumMicroarch_Shanghai_End: + case kCpumMicroarch_Cyrix_End: + case kCpumMicroarch_NEC_End: + case kCpumMicroarch_32BitHack: + break; + /* no default! */ + } + + return NULL; +} + + +/** + * Gets a matching leaf in the CPUID leaf array. + * + * @returns Pointer to the matching leaf, or NULL if not found. + * @param paLeaves The CPUID leaves to search. This is sorted. + * @param cLeaves The number of leaves in the array. + * @param uLeaf The leaf to locate. + * @param uSubLeaf The subleaf to locate. Pass 0 if no sub-leaves. + */ +PCPUMCPUIDLEAF cpumCpuIdGetLeafInt(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf) +{ + /* Lazy bird does linear lookup here since this is only used for the + occational CPUID overrides. */ + for (uint32_t i = 0; i < cLeaves; i++) + if ( paLeaves[i].uLeaf == uLeaf + && paLeaves[i].uSubLeaf == (uSubLeaf & paLeaves[i].fSubLeafMask)) + return &paLeaves[i]; + return NULL; +} + + +/** + * Ensures that the CPUID leaf array can hold one more leaf. + * + * @returns Pointer to the CPUID leaf array (*ppaLeaves) on success. NULL on + * failure. + * @param pVM The cross context VM structure. If NULL, use + * the process heap, otherwise the VM's hyper heap. + * @param ppaLeaves Pointer to the variable holding the array pointer + * (input/output). + * @param cLeaves The current array size. + * + * @remarks This function will automatically update the R0 and RC pointers when + * using the hyper heap, which means @a ppaLeaves and @a cLeaves must + * be the corresponding VM's CPUID arrays (which is asserted). + */ +PCPUMCPUIDLEAF cpumCpuIdEnsureSpace(PVM pVM, PCPUMCPUIDLEAF *ppaLeaves, uint32_t cLeaves) +{ + /* + * If pVM is not specified, we're on the regular heap and can waste a + * little space to speed things up. + */ + uint32_t cAllocated; + if (!pVM) + { + cAllocated = RT_ALIGN(cLeaves, 16); + if (cLeaves + 1 > cAllocated) + { + void *pvNew = RTMemRealloc(*ppaLeaves, (cAllocated + 16) * sizeof(**ppaLeaves)); + if (pvNew) + *ppaLeaves = (PCPUMCPUIDLEAF)pvNew; + else + { + RTMemFree(*ppaLeaves); + *ppaLeaves = NULL; + } + } + } + /* + * Otherwise, we're on the hyper heap and are probably just inserting + * one or two leaves and should conserve space. + */ + else + { +#ifdef IN_VBOX_CPU_REPORT + AssertReleaseFailed(); +#else +# ifdef IN_RING3 + Assert(ppaLeaves == &pVM->cpum.s.GuestInfo.paCpuIdLeavesR3); + Assert(*ppaLeaves == pVM->cpum.s.GuestInfo.aCpuIdLeaves); + Assert(cLeaves == pVM->cpum.s.GuestInfo.cCpuIdLeaves); + + if (cLeaves + 1 <= RT_ELEMENTS(pVM->cpum.s.GuestInfo.aCpuIdLeaves)) + { } + else +# endif + { + *ppaLeaves = NULL; + LogRel(("CPUM: cpumR3CpuIdEnsureSpace: Out of CPUID space!\n")); + } +#endif + } + return *ppaLeaves; +} + + +#ifdef VBOX_STRICT +/** + * Checks that we've updated the CPUID leaves array correctly. + * + * This is a no-op in non-strict builds. + * + * @param paLeaves The leaves array. + * @param cLeaves The number of leaves. + */ +void cpumCpuIdAssertOrder(PCPUMCPUIDLEAF paLeaves, uint32_t cLeaves) +{ + for (uint32_t i = 1; i < cLeaves; i++) + if (paLeaves[i].uLeaf != paLeaves[i - 1].uLeaf) + AssertMsg(paLeaves[i].uLeaf > paLeaves[i - 1].uLeaf, ("%#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i - 1].uLeaf)); + else + { + AssertMsg(paLeaves[i].uSubLeaf > paLeaves[i - 1].uSubLeaf, + ("%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i - 1].uSubLeaf)); + AssertMsg(paLeaves[i].fSubLeafMask == paLeaves[i - 1].fSubLeafMask, + ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fSubLeafMask, paLeaves[i - 1].fSubLeafMask)); + AssertMsg(paLeaves[i].fFlags == paLeaves[i - 1].fFlags, + ("%#x/%#x: %#x vs %#x\n", paLeaves[i].uLeaf, paLeaves[i].uSubLeaf, paLeaves[i].fFlags, paLeaves[i - 1].fFlags)); + } +} +#endif + +#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64) + +/** + * Append a CPUID leaf or sub-leaf. + * + * ASSUMES linear insertion order, so we'll won't need to do any searching or + * replace anything. Use cpumR3CpuIdInsert() for those cases. + * + * @returns VINF_SUCCESS or VERR_NO_MEMORY. On error, *ppaLeaves is freed, so + * the caller need do no more work. + * @param ppaLeaves Pointer to the pointer to the array of sorted + * CPUID leaves and sub-leaves. + * @param pcLeaves Where we keep the leaf count for *ppaLeaves. + * @param uLeaf The leaf we're adding. + * @param uSubLeaf The sub-leaf number. + * @param fSubLeafMask The sub-leaf mask. + * @param uEax The EAX value. + * @param uEbx The EBX value. + * @param uEcx The ECX value. + * @param uEdx The EDX value. + * @param fFlags The flags. + */ +static int cpumCollectCpuIdInfoAddOne(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves, + uint32_t uLeaf, uint32_t uSubLeaf, uint32_t fSubLeafMask, + uint32_t uEax, uint32_t uEbx, uint32_t uEcx, uint32_t uEdx, uint32_t fFlags) +{ + if (!cpumCpuIdEnsureSpace(NULL /* pVM */, ppaLeaves, *pcLeaves)) + return VERR_NO_MEMORY; + + PCPUMCPUIDLEAF pNew = &(*ppaLeaves)[*pcLeaves]; + Assert( *pcLeaves == 0 + || pNew[-1].uLeaf < uLeaf + || (pNew[-1].uLeaf == uLeaf && pNew[-1].uSubLeaf < uSubLeaf) ); + + pNew->uLeaf = uLeaf; + pNew->uSubLeaf = uSubLeaf; + pNew->fSubLeafMask = fSubLeafMask; + pNew->uEax = uEax; + pNew->uEbx = uEbx; + pNew->uEcx = uEcx; + pNew->uEdx = uEdx; + pNew->fFlags = fFlags; + + *pcLeaves += 1; + return VINF_SUCCESS; +} + + +/** + * Checks if ECX make a difference when reading a given CPUID leaf. + * + * @returns @c true if it does, @c false if it doesn't. + * @param uLeaf The leaf we're reading. + * @param pcSubLeaves Number of sub-leaves accessible via ECX. + * @param pfFinalEcxUnchanged Whether ECX is passed thru when going beyond the + * final sub-leaf (for leaf 0xb only). + */ +static bool cpumIsEcxRelevantForCpuIdLeaf(uint32_t uLeaf, uint32_t *pcSubLeaves, bool *pfFinalEcxUnchanged) +{ + *pfFinalEcxUnchanged = false; + + uint32_t auCur[4]; + uint32_t auPrev[4]; + ASMCpuIdExSlow(uLeaf, 0, 0, 0, &auPrev[0], &auPrev[1], &auPrev[2], &auPrev[3]); + + /* Look for sub-leaves. */ + uint32_t uSubLeaf = 1; + for (;;) + { + ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]); + if (memcmp(auCur, auPrev, sizeof(auCur))) + break; + + /* Advance / give up. */ + uSubLeaf++; + if (uSubLeaf >= 64) + { + *pcSubLeaves = 1; + return false; + } + } + + /* Count sub-leaves. */ + uint32_t cMinLeaves = uLeaf == 0xd ? 64 : 0; + uint32_t cRepeats = 0; + uSubLeaf = 0; + for (;;) + { + ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auCur[0], &auCur[1], &auCur[2], &auCur[3]); + + /* Figuring out when to stop isn't entirely straight forward as we need + to cover undocumented behavior up to a point and implementation shortcuts. */ + + /* 1. Look for more than 4 repeating value sets. */ + if ( auCur[0] == auPrev[0] + && auCur[1] == auPrev[1] + && ( auCur[2] == auPrev[2] + || ( auCur[2] == uSubLeaf + && auPrev[2] == uSubLeaf - 1) ) + && auCur[3] == auPrev[3]) + { + if ( uLeaf != 0xd + || uSubLeaf >= 64 + || ( auCur[0] == 0 + && auCur[1] == 0 + && auCur[2] == 0 + && auCur[3] == 0 + && auPrev[2] == 0) ) + cRepeats++; + if (cRepeats > 4 && uSubLeaf >= cMinLeaves) + break; + } + else + cRepeats = 0; + + /* 2. Look for zero values. */ + if ( auCur[0] == 0 + && auCur[1] == 0 + && (auCur[2] == 0 || auCur[2] == uSubLeaf) + && (auCur[3] == 0 || uLeaf == 0xb /* edx is fixed */) + && uSubLeaf >= cMinLeaves) + { + cRepeats = 0; + break; + } + + /* 3. Leaf 0xb level type 0 check. */ + if ( uLeaf == 0xb + && (auCur[2] & 0xff00) == 0 + && (auPrev[2] & 0xff00) == 0) + { + cRepeats = 0; + break; + } + + /* 99. Give up. */ + if (uSubLeaf >= 128) + { +# ifndef IN_VBOX_CPU_REPORT + /* Ok, limit it according to the documentation if possible just to + avoid annoying users with these detection issues. */ + uint32_t cDocLimit = UINT32_MAX; + if (uLeaf == 0x4) + cDocLimit = 4; + else if (uLeaf == 0x7) + cDocLimit = 1; + else if (uLeaf == 0xd) + cDocLimit = 63; + else if (uLeaf == 0xf) + cDocLimit = 2; + if (cDocLimit != UINT32_MAX) + { + *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb; + *pcSubLeaves = cDocLimit + 3; + return true; + } +# endif + *pcSubLeaves = UINT32_MAX; + return true; + } + + /* Advance. */ + uSubLeaf++; + memcpy(auPrev, auCur, sizeof(auCur)); + } + + /* Standard exit. */ + *pfFinalEcxUnchanged = auCur[2] == uSubLeaf && uLeaf == 0xb; + *pcSubLeaves = uSubLeaf + 1 - cRepeats; + if (*pcSubLeaves == 0) + *pcSubLeaves = 1; + return true; +} + + +/** + * Collects CPUID leaves and sub-leaves, returning a sorted array of them. + * + * @returns VBox status code. + * @param ppaLeaves Where to return the array pointer on success. + * Use RTMemFree to release. + * @param pcLeaves Where to return the size of the array on + * success. + */ +VMMDECL(int) CPUMCpuIdCollectLeavesX86(PCPUMCPUIDLEAF *ppaLeaves, uint32_t *pcLeaves) +{ + *ppaLeaves = NULL; + *pcLeaves = 0; + + /* + * Try out various candidates. This must be sorted! + */ + static struct { uint32_t uMsr; bool fSpecial; } const s_aCandidates[] = + { + { UINT32_C(0x00000000), false }, + { UINT32_C(0x10000000), false }, + { UINT32_C(0x20000000), false }, + { UINT32_C(0x30000000), false }, + { UINT32_C(0x40000000), false }, + { UINT32_C(0x50000000), false }, + { UINT32_C(0x60000000), false }, + { UINT32_C(0x70000000), false }, + { UINT32_C(0x80000000), false }, + { UINT32_C(0x80860000), false }, + { UINT32_C(0x8ffffffe), true }, + { UINT32_C(0x8fffffff), true }, + { UINT32_C(0x90000000), false }, + { UINT32_C(0xa0000000), false }, + { UINT32_C(0xb0000000), false }, + { UINT32_C(0xc0000000), false }, + { UINT32_C(0xd0000000), false }, + { UINT32_C(0xe0000000), false }, + { UINT32_C(0xf0000000), false }, + }; + + for (uint32_t iOuter = 0; iOuter < RT_ELEMENTS(s_aCandidates); iOuter++) + { + uint32_t uLeaf = s_aCandidates[iOuter].uMsr; + uint32_t uEax, uEbx, uEcx, uEdx; + ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx); + + /* + * Does EAX look like a typical leaf count value? + */ + if ( uEax > uLeaf + && uEax - uLeaf < UINT32_C(0xff)) /* Adjust 0xff limit when exceeded by real HW. */ + { + /* Yes, dump them. */ + uint32_t cLeaves = uEax - uLeaf + 1; + while (cLeaves-- > 0) + { + ASMCpuIdExSlow(uLeaf, 0, 0, 0, &uEax, &uEbx, &uEcx, &uEdx); + + uint32_t fFlags = 0; + + /* There are currently three known leaves containing an APIC ID + that needs EMT specific attention */ + if (uLeaf == 1) + fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID; + else if (uLeaf == 0xb && uEcx != 0) + fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID; + else if ( uLeaf == UINT32_C(0x8000001e) + && ( uEax + || uEbx + || uEdx + || RTX86IsAmdCpu((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx) + || RTX86IsHygonCpu((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) ) + fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC_ID; + + /* The APIC bit is per-VCpu and needs flagging. */ + if (uLeaf == 1) + fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC; + else if ( uLeaf == UINT32_C(0x80000001) + && ( (uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC) + || RTX86IsAmdCpu((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx) + || RTX86IsHygonCpu((*ppaLeaves)[0].uEbx, (*ppaLeaves)[0].uEcx, (*ppaLeaves)[0].uEdx)) ) + fFlags |= CPUMCPUIDLEAF_F_CONTAINS_APIC; + + /* Check three times here to reduce the chance of CPU migration + resulting in false positives with things like the APIC ID. */ + uint32_t cSubLeaves; + bool fFinalEcxUnchanged; + if ( cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged) + && cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged) + && cpumIsEcxRelevantForCpuIdLeaf(uLeaf, &cSubLeaves, &fFinalEcxUnchanged)) + { + if (cSubLeaves > (uLeaf == 0xd ? 68U : 16U)) + { + /* This shouldn't happen. But in case it does, file all + relevant details in the release log. */ + LogRel(("CPUM: VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES! uLeaf=%#x cSubLeaves=%#x\n", uLeaf, cSubLeaves)); + LogRel(("------------------ dump of problematic sub-leaves -----------------\n")); + for (uint32_t uSubLeaf = 0; uSubLeaf < 128; uSubLeaf++) + { + uint32_t auTmp[4]; + ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &auTmp[0], &auTmp[1], &auTmp[2], &auTmp[3]); + LogRel(("CPUM: %#010x, %#010x => %#010x %#010x %#010x %#010x\n", + uLeaf, uSubLeaf, auTmp[0], auTmp[1], auTmp[2], auTmp[3])); + } + LogRel(("----------------- dump of what we've found so far -----------------\n")); + for (uint32_t i = 0 ; i < *pcLeaves; i++) + LogRel(("CPUM: %#010x, %#010x/%#010x => %#010x %#010x %#010x %#010x\n", + (*ppaLeaves)[i].uLeaf, (*ppaLeaves)[i].uSubLeaf, (*ppaLeaves)[i].fSubLeafMask, + (*ppaLeaves)[i].uEax, (*ppaLeaves)[i].uEbx, (*ppaLeaves)[i].uEcx, (*ppaLeaves)[i].uEdx)); + LogRel(("\nPlease create a defect on virtualbox.org and attach this log file!\n\n")); + return VERR_CPUM_TOO_MANY_CPUID_SUBLEAVES; + } + + if (fFinalEcxUnchanged) + fFlags |= CPUMCPUIDLEAF_F_INTEL_TOPOLOGY_SUBLEAVES; + + for (uint32_t uSubLeaf = 0; uSubLeaf < cSubLeaves; uSubLeaf++) + { + ASMCpuIdExSlow(uLeaf, 0, uSubLeaf, 0, &uEax, &uEbx, &uEcx, &uEdx); + int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves, + uLeaf, uSubLeaf, UINT32_MAX, uEax, uEbx, uEcx, uEdx, fFlags); + if (RT_FAILURE(rc)) + return rc; + } + } + else + { + int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves, uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, fFlags); + if (RT_FAILURE(rc)) + return rc; + } + + /* next */ + uLeaf++; + } + } + /* + * Special CPUIDs needs special handling as they don't follow the + * leaf count principle used above. + */ + else if (s_aCandidates[iOuter].fSpecial) + { + bool fKeep = false; + if (uLeaf == 0x8ffffffe && uEax == UINT32_C(0x00494544)) + fKeep = true; + else if ( uLeaf == 0x8fffffff + && RT_C_IS_PRINT(RT_BYTE1(uEax)) + && RT_C_IS_PRINT(RT_BYTE2(uEax)) + && RT_C_IS_PRINT(RT_BYTE3(uEax)) + && RT_C_IS_PRINT(RT_BYTE4(uEax)) + && RT_C_IS_PRINT(RT_BYTE1(uEbx)) + && RT_C_IS_PRINT(RT_BYTE2(uEbx)) + && RT_C_IS_PRINT(RT_BYTE3(uEbx)) + && RT_C_IS_PRINT(RT_BYTE4(uEbx)) + && RT_C_IS_PRINT(RT_BYTE1(uEcx)) + && RT_C_IS_PRINT(RT_BYTE2(uEcx)) + && RT_C_IS_PRINT(RT_BYTE3(uEcx)) + && RT_C_IS_PRINT(RT_BYTE4(uEcx)) + && RT_C_IS_PRINT(RT_BYTE1(uEdx)) + && RT_C_IS_PRINT(RT_BYTE2(uEdx)) + && RT_C_IS_PRINT(RT_BYTE3(uEdx)) + && RT_C_IS_PRINT(RT_BYTE4(uEdx)) ) + fKeep = true; + if (fKeep) + { + int rc = cpumCollectCpuIdInfoAddOne(ppaLeaves, pcLeaves, uLeaf, 0, 0, uEax, uEbx, uEcx, uEdx, 0); + if (RT_FAILURE(rc)) + return rc; + } + } + } + +# ifdef VBOX_STRICT + cpumCpuIdAssertOrder(*ppaLeaves, *pcLeaves); +# endif + return VINF_SUCCESS; +} +#endif /* RT_ARCH_X86 || RT_ARCH_AMD64 */ + + +/** + * Detect the CPU vendor give n the + * + * @returns The vendor. + * @param uEAX EAX from CPUID(0). + * @param uEBX EBX from CPUID(0). + * @param uECX ECX from CPUID(0). + * @param uEDX EDX from CPUID(0). + */ +VMMDECL(CPUMCPUVENDOR) CPUMCpuIdDetectX86VendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX) +{ + if (RTX86IsValidStdRange(uEAX)) + { + if (RTX86IsAmdCpu(uEBX, uECX, uEDX)) + return CPUMCPUVENDOR_AMD; + + if (RTX86IsIntelCpu(uEBX, uECX, uEDX)) + return CPUMCPUVENDOR_INTEL; + + if (RTX86IsViaCentaurCpu(uEBX, uECX, uEDX)) + return CPUMCPUVENDOR_VIA; + + if (RTX86IsShanghaiCpu(uEBX, uECX, uEDX)) + return CPUMCPUVENDOR_SHANGHAI; + + if ( uEBX == UINT32_C(0x69727943) /* CyrixInstead */ + && uECX == UINT32_C(0x64616574) + && uEDX == UINT32_C(0x736E4978)) + return CPUMCPUVENDOR_CYRIX; + + if (RTX86IsHygonCpu(uEBX, uECX, uEDX)) + return CPUMCPUVENDOR_HYGON; + + /* "Geode by NSC", example: family 5, model 9. */ + + /** @todo detect the other buggers... */ + } + + return CPUMCPUVENDOR_UNKNOWN; +} + + +/** + * Translates a CPU vendor enum value into the corresponding string constant. + * + * The named can be prefixed with 'CPUMCPUVENDOR_' to construct a valid enum + * value name. This can be useful when generating code. + * + * @returns Read only name string. + * @param enmVendor The CPU vendor value. + */ +VMMDECL(const char *) CPUMCpuVendorName(CPUMCPUVENDOR enmVendor) +{ + switch (enmVendor) + { + case CPUMCPUVENDOR_INTEL: return "INTEL"; + case CPUMCPUVENDOR_AMD: return "AMD"; + case CPUMCPUVENDOR_VIA: return "VIA"; + case CPUMCPUVENDOR_CYRIX: return "CYRIX"; + case CPUMCPUVENDOR_SHANGHAI: return "SHANGHAI"; + case CPUMCPUVENDOR_HYGON: return "HYGON"; + case CPUMCPUVENDOR_UNKNOWN: return "UNKNOWN"; + + case CPUMCPUVENDOR_INVALID: + case CPUMCPUVENDOR_32BIT_HACK: + break; + } + return "Invalid-cpu-vendor"; +} + + +static PCCPUMCPUIDLEAF cpumCpuIdFindLeaf(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf) +{ + /* Could do binary search, doing linear now because I'm lazy. */ + PCCPUMCPUIDLEAF pLeaf = paLeaves; + while (cLeaves-- > 0) + { + if (pLeaf->uLeaf == uLeaf) + return pLeaf; + pLeaf++; + } + return NULL; +} + + +static PCCPUMCPUIDLEAF cpumCpuIdFindLeafEx(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, uint32_t uLeaf, uint32_t uSubLeaf) +{ + PCCPUMCPUIDLEAF pLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, uLeaf); + if ( !pLeaf + || pLeaf->uSubLeaf != (uSubLeaf & pLeaf->fSubLeafMask)) + return pLeaf; + + /* Linear sub-leaf search. Lazy as usual. */ + cLeaves -= pLeaf - paLeaves; + while ( cLeaves-- > 0 + && pLeaf->uLeaf == uLeaf) + { + if (pLeaf->uSubLeaf == (uSubLeaf & pLeaf->fSubLeafMask)) + return pLeaf; + pLeaf++; + } + + return NULL; +} + + +static void cpumExplodeVmxFeatures(PCVMXMSRS pVmxMsrs, PCPUMFEATURES pFeatures) +{ + Assert(pVmxMsrs); + Assert(pFeatures); + Assert(pFeatures->fVmx); + + /* Basic information. */ + bool const fVmxTrueMsrs = RT_BOOL(pVmxMsrs->u64Basic & VMX_BF_BASIC_TRUE_CTLS_MASK); + { + uint64_t const u64Basic = pVmxMsrs->u64Basic; + pFeatures->fVmxInsOutInfo = RT_BF_GET(u64Basic, VMX_BF_BASIC_VMCS_INS_OUTS); + } + + /* Pin-based VM-execution controls. */ + { + uint32_t const fPinCtls = fVmxTrueMsrs ? pVmxMsrs->TruePinCtls.n.allowed1 : pVmxMsrs->PinCtls.n.allowed1; + pFeatures->fVmxExtIntExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_EXT_INT_EXIT); + pFeatures->fVmxNmiExit = RT_BOOL(fPinCtls & VMX_PIN_CTLS_NMI_EXIT); + pFeatures->fVmxVirtNmi = RT_BOOL(fPinCtls & VMX_PIN_CTLS_VIRT_NMI); + pFeatures->fVmxPreemptTimer = RT_BOOL(fPinCtls & VMX_PIN_CTLS_PREEMPT_TIMER); + pFeatures->fVmxPostedInt = RT_BOOL(fPinCtls & VMX_PIN_CTLS_POSTED_INT); + } + + /* Processor-based VM-execution controls. */ + { + uint32_t const fProcCtls = fVmxTrueMsrs ? pVmxMsrs->TrueProcCtls.n.allowed1 : pVmxMsrs->ProcCtls.n.allowed1; + pFeatures->fVmxIntWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INT_WINDOW_EXIT); + pFeatures->fVmxTscOffsetting = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TSC_OFFSETTING); + pFeatures->fVmxHltExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_HLT_EXIT); + pFeatures->fVmxInvlpgExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_INVLPG_EXIT); + pFeatures->fVmxMwaitExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MWAIT_EXIT); + pFeatures->fVmxRdpmcExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDPMC_EXIT); + pFeatures->fVmxRdtscExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_RDTSC_EXIT); + pFeatures->fVmxCr3LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_LOAD_EXIT); + pFeatures->fVmxCr3StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR3_STORE_EXIT); + pFeatures->fVmxTertiaryExecCtls = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TERTIARY_CTLS); + pFeatures->fVmxCr8LoadExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_LOAD_EXIT); + pFeatures->fVmxCr8StoreExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_CR8_STORE_EXIT); + pFeatures->fVmxUseTprShadow = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_TPR_SHADOW); + pFeatures->fVmxNmiWindowExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_NMI_WINDOW_EXIT); + pFeatures->fVmxMovDRxExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MOV_DR_EXIT); + pFeatures->fVmxUncondIoExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_UNCOND_IO_EXIT); + pFeatures->fVmxUseIoBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_IO_BITMAPS); + pFeatures->fVmxMonitorTrapFlag = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_TRAP_FLAG); + pFeatures->fVmxUseMsrBitmaps = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_MSR_BITMAPS); + pFeatures->fVmxMonitorExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_MONITOR_EXIT); + pFeatures->fVmxPauseExit = RT_BOOL(fProcCtls & VMX_PROC_CTLS_PAUSE_EXIT); + pFeatures->fVmxSecondaryExecCtls = RT_BOOL(fProcCtls & VMX_PROC_CTLS_USE_SECONDARY_CTLS); + } + + /* Secondary processor-based VM-execution controls. */ + { + uint32_t const fProcCtls2 = pFeatures->fVmxSecondaryExecCtls ? pVmxMsrs->ProcCtls2.n.allowed1 : 0; + pFeatures->fVmxVirtApicAccess = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_APIC_ACCESS); + pFeatures->fVmxEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT); + pFeatures->fVmxDescTableExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_DESC_TABLE_EXIT); + pFeatures->fVmxRdtscp = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDTSCP); + pFeatures->fVmxVirtX2ApicMode = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_X2APIC_MODE); + pFeatures->fVmxVpid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VPID); + pFeatures->fVmxWbinvdExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_WBINVD_EXIT); + pFeatures->fVmxUnrestrictedGuest = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_UNRESTRICTED_GUEST); + pFeatures->fVmxApicRegVirt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_APIC_REG_VIRT); + pFeatures->fVmxVirtIntDelivery = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VIRT_INT_DELIVERY); + pFeatures->fVmxPauseLoopExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PAUSE_LOOP_EXIT); + pFeatures->fVmxRdrandExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDRAND_EXIT); + pFeatures->fVmxInvpcid = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_INVPCID); + pFeatures->fVmxVmFunc = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMFUNC); + pFeatures->fVmxVmcsShadowing = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_VMCS_SHADOWING); + pFeatures->fVmxRdseedExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_RDSEED_EXIT); + pFeatures->fVmxPml = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PML); + pFeatures->fVmxEptXcptVe = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_EPT_XCPT_VE); + pFeatures->fVmxConcealVmxFromPt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_CONCEAL_VMX_FROM_PT); + pFeatures->fVmxXsavesXrstors = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_XSAVES_XRSTORS); + pFeatures->fVmxModeBasedExecuteEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_MODE_BASED_EPT_PERM); + pFeatures->fVmxSppEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_SPP_EPT); + pFeatures->fVmxPtEpt = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_PT_EPT); + pFeatures->fVmxUseTscScaling = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_TSC_SCALING); + pFeatures->fVmxUserWaitPause = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_USER_WAIT_PAUSE); + pFeatures->fVmxEnclvExit = RT_BOOL(fProcCtls2 & VMX_PROC_CTLS2_ENCLV_EXIT); + } + + /* Tertiary processor-based VM-execution controls. */ + { + uint64_t const fProcCtls3 = pFeatures->fVmxTertiaryExecCtls ? pVmxMsrs->u64ProcCtls3 : 0; + pFeatures->fVmxLoadIwKeyExit = RT_BOOL(fProcCtls3 & VMX_PROC_CTLS3_LOADIWKEY_EXIT); + } + + /* VM-exit controls. */ + { + uint32_t const fExitCtls = fVmxTrueMsrs ? pVmxMsrs->TrueExitCtls.n.allowed1 : pVmxMsrs->ExitCtls.n.allowed1; + pFeatures->fVmxExitSaveDebugCtls = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_DEBUG); + pFeatures->fVmxHostAddrSpaceSize = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_HOST_ADDR_SPACE_SIZE); + pFeatures->fVmxExitAckExtInt = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_ACK_EXT_INT); + pFeatures->fVmxExitSavePatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PAT_MSR); + pFeatures->fVmxExitLoadPatMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_PAT_MSR); + pFeatures->fVmxExitSaveEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_EFER_MSR); + pFeatures->fVmxExitLoadEferMsr = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_LOAD_EFER_MSR); + pFeatures->fVmxSavePreemptTimer = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_SAVE_PREEMPT_TIMER); + pFeatures->fVmxSecondaryExitCtls = RT_BOOL(fExitCtls & VMX_EXIT_CTLS_USE_SECONDARY_CTLS); + } + + /* VM-entry controls. */ + { + uint32_t const fEntryCtls = fVmxTrueMsrs ? pVmxMsrs->TrueEntryCtls.n.allowed1 : pVmxMsrs->EntryCtls.n.allowed1; + pFeatures->fVmxEntryLoadDebugCtls = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_DEBUG); + pFeatures->fVmxIa32eModeGuest = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_IA32E_MODE_GUEST); + pFeatures->fVmxEntryLoadEferMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_EFER_MSR); + pFeatures->fVmxEntryLoadPatMsr = RT_BOOL(fEntryCtls & VMX_ENTRY_CTLS_LOAD_PAT_MSR); + } + + /* Miscellaneous data. */ + { + uint32_t const fMiscData = pVmxMsrs->u64Misc; + pFeatures->fVmxExitSaveEferLma = RT_BOOL(fMiscData & VMX_MISC_EXIT_SAVE_EFER_LMA); + pFeatures->fVmxPt = RT_BOOL(fMiscData & VMX_MISC_INTEL_PT); + pFeatures->fVmxVmwriteAll = RT_BOOL(fMiscData & VMX_MISC_VMWRITE_ALL); + pFeatures->fVmxEntryInjectSoftInt = RT_BOOL(fMiscData & VMX_MISC_ENTRY_INJECT_SOFT_INT); + } +} + + +int cpumCpuIdExplodeFeaturesX86(PCCPUMCPUIDLEAF paLeaves, uint32_t cLeaves, PCCPUMMSRS pMsrs, PCPUMFEATURES pFeatures) +{ + Assert(pMsrs); + RT_ZERO(*pFeatures); + if (cLeaves >= 2) + { + AssertLogRelReturn(paLeaves[0].uLeaf == 0, VERR_CPUM_IPE_1); + AssertLogRelReturn(paLeaves[1].uLeaf == 1, VERR_CPUM_IPE_1); + PCCPUMCPUIDLEAF const pStd0Leaf = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 0, 0); + AssertLogRelReturn(pStd0Leaf, VERR_CPUM_IPE_1); + PCCPUMCPUIDLEAF const pStd1Leaf = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 1, 0); + AssertLogRelReturn(pStd1Leaf, VERR_CPUM_IPE_1); + + pFeatures->enmCpuVendor = CPUMCpuIdDetectX86VendorEx(pStd0Leaf->uEax, + pStd0Leaf->uEbx, + pStd0Leaf->uEcx, + pStd0Leaf->uEdx); + pFeatures->uFamily = RTX86GetCpuFamily(pStd1Leaf->uEax); + pFeatures->uModel = RTX86GetCpuModel(pStd1Leaf->uEax, pFeatures->enmCpuVendor == CPUMCPUVENDOR_INTEL); + pFeatures->uStepping = RTX86GetCpuStepping(pStd1Leaf->uEax); + pFeatures->enmMicroarch = CPUMCpuIdDetermineX86MicroarchEx((CPUMCPUVENDOR)pFeatures->enmCpuVendor, + pFeatures->uFamily, + pFeatures->uModel, + pFeatures->uStepping); + + PCCPUMCPUIDLEAF const pExtLeaf8 = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x80000008); + if (pExtLeaf8) + { + pFeatures->cMaxPhysAddrWidth = pExtLeaf8->uEax & 0xff; + pFeatures->cMaxLinearAddrWidth = (pExtLeaf8->uEax >> 8) & 0xff; + } + else if (pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36) + { + pFeatures->cMaxPhysAddrWidth = 36; + pFeatures->cMaxLinearAddrWidth = 36; + } + else + { + pFeatures->cMaxPhysAddrWidth = 32; + pFeatures->cMaxLinearAddrWidth = 32; + } + + /* Standard features. */ + pFeatures->fMsr = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MSR); + pFeatures->fApic = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_APIC); + pFeatures->fX2Apic = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_X2APIC); + pFeatures->fPse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE); + pFeatures->fPse36 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PSE36); + pFeatures->fPae = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAE); + pFeatures->fPge = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PGE); + pFeatures->fPat = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_PAT); + pFeatures->fFxSaveRstor = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_FXSR); + pFeatures->fXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_XSAVE); + pFeatures->fOpSysXSaveRstor = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_OSXSAVE); + pFeatures->fMmx = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_MMX); + pFeatures->fSse = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE); + pFeatures->fSse2 = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SSE2); + pFeatures->fSse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE3); + pFeatures->fSsse3 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSSE3); + pFeatures->fSse41 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_1); + pFeatures->fSse42 = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_SSE4_2); + pFeatures->fAesNi = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AES); + pFeatures->fAvx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_AVX); + pFeatures->fTsc = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_TSC); + pFeatures->fSysEnter = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_SEP); + pFeatures->fHypervisorPresent = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_HVP); + pFeatures->fMonitorMWait = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MONITOR); + pFeatures->fMovCmpXchg16b = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_CX16); + pFeatures->fClFlush = RT_BOOL(pStd1Leaf->uEdx & X86_CPUID_FEATURE_EDX_CLFSH); + pFeatures->fPcid = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCID); + pFeatures->fPopCnt = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_POPCNT); + pFeatures->fRdRand = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_RDRAND); + pFeatures->fVmx = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_VMX); + pFeatures->fPclMul = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_PCLMUL); + pFeatures->fMovBe = RT_BOOL(pStd1Leaf->uEcx & X86_CPUID_FEATURE_ECX_MOVBE); + if (pFeatures->fVmx) + cpumExplodeVmxFeatures(&pMsrs->hwvirt.vmx, pFeatures); + + /* Structured extended features. */ + PCCPUMCPUIDLEAF const pSxfLeaf0 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 7, 0); + if (pSxfLeaf0) + { + pFeatures->fFsGsBase = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_FSGSBASE); + pFeatures->fAvx2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX2); + pFeatures->fAvx512Foundation = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_AVX512F); + pFeatures->fClFlushOpt = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_CLFLUSHOPT); + pFeatures->fInvpcid = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_INVPCID); + pFeatures->fBmi1 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_BMI1); + pFeatures->fBmi2 = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_BMI2); + pFeatures->fRdSeed = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_RDSEED); + pFeatures->fHle = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_HLE); + pFeatures->fRtm = RT_BOOL(pSxfLeaf0->uEbx & X86_CPUID_STEXT_FEATURE_EBX_RTM); + + pFeatures->fIbpb = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_IBRS_IBPB); + pFeatures->fIbrs = pFeatures->fIbpb; + pFeatures->fStibp = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_STIBP); + pFeatures->fFlushCmd = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_FLUSH_CMD); + pFeatures->fArchCap = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_ARCHCAP); + pFeatures->fMdsClear = RT_BOOL(pSxfLeaf0->uEdx & X86_CPUID_STEXT_FEATURE_EDX_MD_CLEAR); + } + + /* MWAIT/MONITOR leaf. */ + PCCPUMCPUIDLEAF const pMWaitLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 5); + if (pMWaitLeaf) + pFeatures->fMWaitExtensions = (pMWaitLeaf->uEcx & (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0)) + == (X86_CPUID_MWAIT_ECX_EXT | X86_CPUID_MWAIT_ECX_BREAKIRQIF0); + + /* Extended features. */ + PCCPUMCPUIDLEAF const pExtLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x80000001); + if (pExtLeaf) + { + pFeatures->fLongMode = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE); + pFeatures->fSysCall = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_SYSCALL); + pFeatures->fNoExecute = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_NX); + pFeatures->fLahfSahf = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_EXT_FEATURE_ECX_LAHF_SAHF); + pFeatures->fRdTscP = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_EXT_FEATURE_EDX_RDTSCP); + pFeatures->fMovCr8In32Bit = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_CMPL); + pFeatures->f3DNow = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_3DNOW); + pFeatures->f3DNowPrefetch = (pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_3DNOWPRF) + || (pExtLeaf->uEdx & ( X86_CPUID_EXT_FEATURE_EDX_LONG_MODE + | X86_CPUID_AMD_FEATURE_EDX_3DNOW)); + pFeatures->fAbm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_ABM); + } + + /* VMX (VMXON, VMCS region and related data structures) physical address width (depends on long-mode). */ + pFeatures->cVmxMaxPhysAddrWidth = pFeatures->fLongMode ? pFeatures->cMaxPhysAddrWidth : 32; + + if ( pExtLeaf + && ( pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD + || pFeatures->enmCpuVendor == CPUMCPUVENDOR_HYGON)) + { + /* AMD features. */ + pFeatures->fMsr |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MSR); + pFeatures->fApic |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_APIC); + pFeatures->fPse |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE); + pFeatures->fPse36 |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PSE36); + pFeatures->fPae |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAE); + pFeatures->fPge |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PGE); + pFeatures->fPat |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_PAT); + pFeatures->fFxSaveRstor |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FXSR); + pFeatures->fMmx |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_MMX); + pFeatures->fTsc |= RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_TSC); + pFeatures->fIbpb |= pExtLeaf8 && (pExtLeaf8->uEbx & X86_CPUID_AMD_EFEID_EBX_IBPB); + pFeatures->fAmdMmxExts = RT_BOOL(pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_AXMMX); + pFeatures->fXop = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_XOP); + pFeatures->fTbm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_TBM); + pFeatures->fSvm = RT_BOOL(pExtLeaf->uEcx & X86_CPUID_AMD_FEATURE_ECX_SVM); + if (pFeatures->fSvm) + { + PCCPUMCPUIDLEAF pSvmLeaf = cpumCpuIdFindLeaf(paLeaves, cLeaves, 0x8000000a); + AssertLogRelReturn(pSvmLeaf, VERR_CPUM_IPE_1); + pFeatures->fSvmNestedPaging = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NESTED_PAGING); + pFeatures->fSvmLbrVirt = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_LBR_VIRT); + pFeatures->fSvmSvmLock = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SVM_LOCK); + pFeatures->fSvmNextRipSave = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_NRIP_SAVE); + pFeatures->fSvmTscRateMsr = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR); + pFeatures->fSvmVmcbClean = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN); + pFeatures->fSvmFlusbByAsid = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID); + pFeatures->fSvmDecodeAssists = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_DECODE_ASSISTS); + pFeatures->fSvmPauseFilter = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER); + pFeatures->fSvmPauseFilterThreshold = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER_THRESHOLD); + pFeatures->fSvmAvic = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_AVIC); + pFeatures->fSvmVirtVmsaveVmload = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VIRT_VMSAVE_VMLOAD); + pFeatures->fSvmVGif = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_VGIF); + pFeatures->fSvmGmet = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_GMET); + pFeatures->fSvmSSSCheck = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SSSCHECK); + pFeatures->fSvmSpecCtrl = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_SPEC_CTRL); + pFeatures->fSvmHostMceOverride = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_HOST_MCE_OVERRIDE); + pFeatures->fSvmTlbiCtl = RT_BOOL(pSvmLeaf->uEdx & X86_CPUID_SVM_FEATURE_EDX_TLBICTL); + pFeatures->uSvmMaxAsid = pSvmLeaf->uEbx; + } + } + + /* + * Quirks. + */ + pFeatures->fLeakyFxSR = pExtLeaf + && (pExtLeaf->uEdx & X86_CPUID_AMD_FEATURE_EDX_FFXSR) + && ( ( pFeatures->enmCpuVendor == CPUMCPUVENDOR_AMD + && pFeatures->uFamily >= 6 /* K7 and up */) + || pFeatures->enmCpuVendor == CPUMCPUVENDOR_HYGON); + + /* + * Max extended (/FPU) state. + */ + pFeatures->cbMaxExtendedState = pFeatures->fFxSaveRstor ? sizeof(X86FXSTATE) : sizeof(X86FPUSTATE); + if (pFeatures->fXSaveRstor) + { + PCCPUMCPUIDLEAF const pXStateLeaf0 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 13, 0); + if (pXStateLeaf0) + { + if ( pXStateLeaf0->uEcx >= sizeof(X86FXSTATE) + && pXStateLeaf0->uEcx <= CPUM_MAX_XSAVE_AREA_SIZE + && RT_ALIGN_32(pXStateLeaf0->uEcx, 8) == pXStateLeaf0->uEcx + && pXStateLeaf0->uEbx >= sizeof(X86FXSTATE) + && pXStateLeaf0->uEbx <= pXStateLeaf0->uEcx + && RT_ALIGN_32(pXStateLeaf0->uEbx, 8) == pXStateLeaf0->uEbx) + { + pFeatures->cbMaxExtendedState = pXStateLeaf0->uEcx; + + /* (paranoia:) */ + PCCPUMCPUIDLEAF const pXStateLeaf1 = cpumCpuIdFindLeafEx(paLeaves, cLeaves, 13, 1); + if ( pXStateLeaf1 + && pXStateLeaf1->uEbx > pFeatures->cbMaxExtendedState + && pXStateLeaf1->uEbx <= CPUM_MAX_XSAVE_AREA_SIZE + && (pXStateLeaf1->uEcx || pXStateLeaf1->uEdx) ) + pFeatures->cbMaxExtendedState = pXStateLeaf1->uEbx; + } + else + AssertLogRelMsgFailedStmt(("Unexpected max/cur XSAVE area sizes: %#x/%#x\n", pXStateLeaf0->uEcx, pXStateLeaf0->uEbx), + pFeatures->fXSaveRstor = 0); + } + else + AssertLogRelMsgFailedStmt(("Expected leaf eax=0xd/ecx=0 with the XSAVE/XRSTOR feature!\n"), + pFeatures->fXSaveRstor = 0); + } + } + else + AssertLogRelReturn(cLeaves == 0, VERR_CPUM_IPE_1); + return VINF_SUCCESS; +} + |