diff --git a/cpuid.go b/cpuid.go index 3d543ce..832ba81 100644 --- a/cpuid.go +++ b/cpuid.go @@ -171,7 +171,11 @@ const ( WBNOINVD // Write Back and Do Not Invalidate Cache X87 // FPU XOP // Bulldozer XOP functions + XGETBV1 // Supports XGETBV with ECX = 1 XSAVE // XSAVE, XRESTOR, XSETBV, XGETBV + XSAVEC // Supports XSAVEC and the compacted form of XRSTOR. + XSAVEOPT // XSAVEOPT available + XSAVES // Supports XSAVES/XRSTORS and IA32_XSS // ARM features: AESARM // AES instructions @@ -1050,7 +1054,28 @@ func support() flagSet { } } } - + // Processor Extended State Enumeration Sub-leaf (EAX = 0DH, ECX = 1) + // EAX + // Bit 00: XSAVEOPT is available. + // Bit 01: Supports XSAVEC and the compacted form of XRSTOR if set. + // Bit 02: Supports XGETBV with ECX = 1 if set. + // Bit 03: Supports XSAVES/XRSTORS and IA32_XSS if set. + // Bits 31 - 04: Reserved. + // EBX + // Bits 31 - 00: The size in bytes of the XSAVE area containing all states enabled by XCRO | IA32_XSS. + // ECX + // Bits 31 - 00: Reports the supported bits of the lower 32 bits of the IA32_XSS MSR. IA32_XSS[n] can be set to 1 only if ECX[n] is 1. + // EDX? + // Bits 07 - 00: Used for XCR0. Bit 08: PT state. Bit 09: Used for XCR0. Bits 12 - 10: Reserved. Bit 13: HWP state. Bits 31 - 14: Reserved. + if mfi >= 0xd { + if fs.inSet(XSAVE) { + eax, _, _, _ := cpuidex(0xd, 1) + fs.setIf(eax&(1<<0) != 0, XSAVEOPT) + fs.setIf(eax&(1<<1) != 0, XSAVEC) + fs.setIf(eax&(1<<2) != 0, XGETBV1) + fs.setIf(eax&(1<<3) != 0, XSAVES) + } + } if maxExtendedFunction() >= 0x80000001 { _, _, c, d := cpuid(0x80000001) if (c & (1 << 5)) != 0 { diff --git a/featureid_string.go b/featureid_string.go index 02fe232..776d631 100644 --- a/featureid_string.go +++ b/featureid_string.go @@ -112,38 +112,42 @@ func _() { _ = x[WBNOINVD-102] _ = x[X87-103] _ = x[XOP-104] - _ = x[XSAVE-105] - _ = x[AESARM-106] - _ = x[ARMCPUID-107] - _ = x[ASIMD-108] - _ = x[ASIMDDP-109] - _ = x[ASIMDHP-110] - _ = x[ASIMDRDM-111] - _ = x[ATOMICS-112] - _ = x[CRC32-113] - _ = x[DCPOP-114] - _ = x[EVTSTRM-115] - _ = x[FCMA-116] - _ = x[FP-117] - _ = x[FPHP-118] - _ = x[GPA-119] - _ = x[JSCVT-120] - _ = x[LRCPC-121] - _ = x[PMULL-122] - _ = x[SHA1-123] - _ = x[SHA2-124] - _ = x[SHA3-125] - _ = x[SHA512-126] - _ = x[SM3-127] - _ = x[SM4-128] - _ = x[SVE-129] - _ = x[lastID-130] + _ = x[XGETBV1-105] + _ = x[XSAVE-106] + _ = x[XSAVEC-107] + _ = x[XSAVEOPT-108] + _ = x[XSAVES-109] + _ = x[AESARM-110] + _ = x[ARMCPUID-111] + _ = x[ASIMD-112] + _ = x[ASIMDDP-113] + _ = x[ASIMDHP-114] + _ = x[ASIMDRDM-115] + _ = x[ATOMICS-116] + _ = x[CRC32-117] + _ = x[DCPOP-118] + _ = x[EVTSTRM-119] + _ = x[FCMA-120] + _ = x[FP-121] + _ = x[FPHP-122] + _ = x[GPA-123] + _ = x[JSCVT-124] + _ = x[LRCPC-125] + _ = x[PMULL-126] + _ = x[SHA1-127] + _ = x[SHA2-128] + _ = x[SHA3-129] + _ = x[SHA512-130] + _ = x[SM3-131] + _ = x[SM4-132] + _ = x[SVE-133] + _ = x[lastID-134] _ = x[firstID-0] } -const _FeatureID_name = "firstIDADXAESNIAMD3DNOWAMD3DNOWEXTAMXBF16AMXINT8AMXTILEAVXAVX2AVX512BF16AVX512BITALGAVX512BWAVX512CDAVX512DQAVX512ERAVX512FAVX512FP16AVX512IFMAAVX512PFAVX512VBMIAVX512VBMI2AVX512VLAVX512VNNIAVX512VP2INTERSECTAVX512VPOPCNTDQAVXSLOWBMI1BMI2CETIBTCETSSCLDEMOTECLMULCLZEROCMOVCMPXCHG8CPBOOSTCX16ENQCMDERMSF16CFMA3FMA4FXSRFXSROPTGFNIHLEHTTHWAHYPERVISORIBPBIBSIBSBRNTRGTIBSFETCHSAMIBSFFVIBSOPCNTIBSOPCNTEXTIBSOPSAMIBSRDWROPCNTIBSRIPINVALIDCHKINT_WBINVDINVLPGBLAHFLZCNTMCAOVERFLOWMCOMMITMMXMMXEXTMOVBEMOVDIR64BMOVDIRIMPXMSRIRCNXOSXSAVEPOPCNTRDPRURDRANDRDSEEDRDTSCPRTMRTM_ALWAYS_ABORTSCESERIALIZESGXSGXLCSHASSESSE2SSE3SSE4SSE42SSE4ASSSE3STIBPSUCCORTBMTSXLDTRKVAESVMXVPCLMULQDQWAITPKGWBNOINVDX87XOPXSAVEAESARMARMCPUIDASIMDASIMDDPASIMDHPASIMDRDMATOMICSCRC32DCPOPEVTSTRMFCMAFPFPHPGPAJSCVTLRCPCPMULLSHA1SHA2SHA3SHA512SM3SM4SVElastID" +const _FeatureID_name = "firstIDADXAESNIAMD3DNOWAMD3DNOWEXTAMXBF16AMXINT8AMXTILEAVXAVX2AVX512BF16AVX512BITALGAVX512BWAVX512CDAVX512DQAVX512ERAVX512FAVX512FP16AVX512IFMAAVX512PFAVX512VBMIAVX512VBMI2AVX512VLAVX512VNNIAVX512VP2INTERSECTAVX512VPOPCNTDQAVXSLOWBMI1BMI2CETIBTCETSSCLDEMOTECLMULCLZEROCMOVCMPXCHG8CPBOOSTCX16ENQCMDERMSF16CFMA3FMA4FXSRFXSROPTGFNIHLEHTTHWAHYPERVISORIBPBIBSIBSBRNTRGTIBSFETCHSAMIBSFFVIBSOPCNTIBSOPCNTEXTIBSOPSAMIBSRDWROPCNTIBSRIPINVALIDCHKINT_WBINVDINVLPGBLAHFLZCNTMCAOVERFLOWMCOMMITMMXMMXEXTMOVBEMOVDIR64BMOVDIRIMPXMSRIRCNXOSXSAVEPOPCNTRDPRURDRANDRDSEEDRDTSCPRTMRTM_ALWAYS_ABORTSCESERIALIZESGXSGXLCSHASSESSE2SSE3SSE4SSE42SSE4ASSSE3STIBPSUCCORTBMTSXLDTRKVAESVMXVPCLMULQDQWAITPKGWBNOINVDX87XOPXGETBV1XSAVEXSAVECXSAVEOPTXSAVESAESARMARMCPUIDASIMDASIMDDPASIMDHPASIMDRDMATOMICSCRC32DCPOPEVTSTRMFCMAFPFPHPGPAJSCVTLRCPCPMULLSHA1SHA2SHA3SHA512SM3SM4SVElastID" -var _FeatureID_index = [...]uint16{0, 7, 10, 15, 23, 34, 41, 48, 55, 58, 62, 72, 84, 92, 100, 108, 116, 123, 133, 143, 151, 161, 172, 180, 190, 208, 223, 230, 234, 238, 244, 249, 257, 262, 268, 272, 280, 287, 291, 297, 301, 305, 309, 313, 317, 324, 328, 331, 334, 337, 347, 351, 354, 364, 375, 381, 389, 400, 408, 420, 436, 446, 453, 457, 462, 473, 480, 483, 489, 494, 503, 510, 513, 519, 521, 528, 534, 539, 545, 551, 557, 560, 576, 579, 588, 591, 596, 599, 602, 606, 610, 614, 619, 624, 629, 634, 640, 643, 651, 655, 658, 668, 675, 683, 686, 689, 694, 700, 708, 713, 720, 727, 735, 742, 747, 752, 759, 763, 765, 769, 772, 777, 782, 787, 791, 795, 799, 805, 808, 811, 814, 820} +var _FeatureID_index = [...]uint16{0, 7, 10, 15, 23, 34, 41, 48, 55, 58, 62, 72, 84, 92, 100, 108, 116, 123, 133, 143, 151, 161, 172, 180, 190, 208, 223, 230, 234, 238, 244, 249, 257, 262, 268, 272, 280, 287, 291, 297, 301, 305, 309, 313, 317, 324, 328, 331, 334, 337, 347, 351, 354, 364, 375, 381, 389, 400, 408, 420, 436, 446, 453, 457, 462, 473, 480, 483, 489, 494, 503, 510, 513, 519, 521, 528, 534, 539, 545, 551, 557, 560, 576, 579, 588, 591, 596, 599, 602, 606, 610, 614, 619, 624, 629, 634, 640, 643, 651, 655, 658, 668, 675, 683, 686, 689, 696, 701, 707, 715, 721, 727, 735, 740, 747, 754, 762, 769, 774, 779, 786, 790, 792, 796, 799, 804, 809, 814, 818, 822, 826, 832, 835, 838, 841, 847} func (i FeatureID) String() string { if i < 0 || i >= FeatureID(len(_FeatureID_index)-1) {