diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go index 69439df2..738a9f21 100644 --- a/windows/syscall_windows.go +++ b/windows/syscall_windows.go @@ -900,6 +900,7 @@ const socket_error = uintptr(^uint32(0)) //sys NotifyRouteChange2(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyRouteChange2 //sys NotifyUnicastIpAddressChange(family uint16, callback uintptr, callerContext unsafe.Pointer, initialNotification bool, notificationHandle *Handle) (errcode error) = iphlpapi.NotifyUnicastIpAddressChange //sys CancelMibChangeNotify2(notificationHandle Handle) (errcode error) = iphlpapi.CancelMibChangeNotify2 +//sys IsProcessorFeaturePresent(ProcessorFeature uint32) (ret bool) = kernel32.IsProcessorFeaturePresent // For testing: clients can set this flag to force // creation of IPv6 sockets to return EAFNOSUPPORT. diff --git a/windows/syscall_windows_test.go b/windows/syscall_windows_test.go index f81fea08..76115384 100644 --- a/windows/syscall_windows_test.go +++ b/windows/syscall_windows_test.go @@ -1493,3 +1493,22 @@ func TestRoundtripNTUnicodeString(t *testing.T) { } } } + +func TestIsProcessorFeaturePresent(t *testing.T) { + // according to + // https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-isprocessorfeaturepresent + // if PF_PAE_ENABLED returns nonzero value, then + // ... + // The processor is PAE-enabled. For more information, see Physical Address Extension. + // All x64 processors always return a nonzero value for this feature. + // ... + switch runtime.GOARCH { + case "amd64", "386": + default: + t.Skipf("the test is no supported by %q processor type", runtime.GOARCH) + } + + if !windows.IsProcessorFeaturePresent(windows.PF_PAE_ENABLED) { + t.Fatal("IsProcessorFeaturePresent failed, but should succeed") + } +} diff --git a/windows/types_windows.go b/windows/types_windows.go index 6e4f50eb..d5658a13 100644 --- a/windows/types_windows.go +++ b/windows/types_windows.go @@ -3938,3 +3938,88 @@ const ( MOUSE_EVENT = 0x0002 WINDOW_BUFFER_SIZE_EVENT = 0x0004 ) + +// The processor features to be tested for IsProcessorFeaturePresent, see +// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-isprocessorfeaturepresent +const ( + PF_ARM_64BIT_LOADSTORE_ATOMIC = 25 + PF_ARM_DIVIDE_INSTRUCTION_AVAILABLE = 24 + PF_ARM_EXTERNAL_CACHE_AVAILABLE = 26 + PF_ARM_FMAC_INSTRUCTIONS_AVAILABLE = 27 + PF_ARM_VFP_32_REGISTERS_AVAILABLE = 18 + PF_3DNOW_INSTRUCTIONS_AVAILABLE = 7 + PF_CHANNELS_ENABLED = 16 + PF_COMPARE_EXCHANGE_DOUBLE = 2 + PF_COMPARE_EXCHANGE128 = 14 + PF_COMPARE64_EXCHANGE128 = 15 + PF_FASTFAIL_AVAILABLE = 23 + PF_FLOATING_POINT_EMULATED = 1 + PF_FLOATING_POINT_PRECISION_ERRATA = 0 + PF_MMX_INSTRUCTIONS_AVAILABLE = 3 + PF_NX_ENABLED = 12 + PF_PAE_ENABLED = 9 + PF_RDTSC_INSTRUCTION_AVAILABLE = 8 + PF_RDWRFSGSBASE_AVAILABLE = 22 + PF_SECOND_LEVEL_ADDRESS_TRANSLATION = 20 + PF_SSE3_INSTRUCTIONS_AVAILABLE = 13 + PF_SSSE3_INSTRUCTIONS_AVAILABLE = 36 + PF_SSE4_1_INSTRUCTIONS_AVAILABLE = 37 + PF_SSE4_2_INSTRUCTIONS_AVAILABLE = 38 + PF_AVX_INSTRUCTIONS_AVAILABLE = 39 + PF_AVX2_INSTRUCTIONS_AVAILABLE = 40 + PF_AVX512F_INSTRUCTIONS_AVAILABLE = 41 + PF_VIRT_FIRMWARE_ENABLED = 21 + PF_XMMI_INSTRUCTIONS_AVAILABLE = 6 + PF_XMMI64_INSTRUCTIONS_AVAILABLE = 10 + PF_XSAVE_ENABLED = 17 + PF_ARM_V8_INSTRUCTIONS_AVAILABLE = 29 + PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE = 30 + PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE = 31 + PF_ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE = 34 + PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE = 43 + PF_ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE = 44 + PF_ARM_V83_LRCPC_INSTRUCTIONS_AVAILABLE = 45 + PF_ARM_SVE_INSTRUCTIONS_AVAILABLE = 46 + PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE = 47 + PF_ARM_SVE2_1_INSTRUCTIONS_AVAILABLE = 48 + PF_ARM_SVE_AES_INSTRUCTIONS_AVAILABLE = 49 + PF_ARM_SVE_PMULL128_INSTRUCTIONS_AVAILABLE = 50 + PF_ARM_SVE_BITPERM_INSTRUCTIONS_AVAILABLE = 51 + PF_ARM_SVE_BF16_INSTRUCTIONS_AVAILABLE = 52 + PF_ARM_SVE_EBF16_INSTRUCTIONS_AVAILABLE = 53 + PF_ARM_SVE_B16B16_INSTRUCTIONS_AVAILABLE = 54 + PF_ARM_SVE_SHA3_INSTRUCTIONS_AVAILABLE = 55 + PF_ARM_SVE_SM4_INSTRUCTIONS_AVAILABLE = 56 + PF_ARM_SVE_I8MM_INSTRUCTIONS_AVAILABLE = 57 + PF_ARM_SVE_F32MM_INSTRUCTIONS_AVAILABLE = 58 + PF_ARM_SVE_F64MM_INSTRUCTIONS_AVAILABLE = 59 + PF_BMI2_INSTRUCTIONS_AVAILABLE = 60 + PF_MOVDIR64B_INSTRUCTION_AVAILABLE = 61 + PF_ARM_LSE2_AVAILABLE = 62 + PF_ARM_SHA3_INSTRUCTIONS_AVAILABLE = 64 + PF_ARM_SHA512_INSTRUCTIONS_AVAILABLE = 65 + PF_ARM_V82_I8MM_INSTRUCTIONS_AVAILABLE = 66 + PF_ARM_V82_FP16_INSTRUCTIONS_AVAILABLE = 67 + PF_ARM_V86_BF16_INSTRUCTIONS_AVAILABLE = 68 + PF_ARM_V86_EBF16_INSTRUCTIONS_AVAILABLE = 69 + PF_ARM_SME_INSTRUCTIONS_AVAILABLE = 70 + PF_ARM_SME2_INSTRUCTIONS_AVAILABLE = 71 + PF_ARM_SME2_1_INSTRUCTIONS_AVAILABLE = 72 + PF_ARM_SME2_2_INSTRUCTIONS_AVAILABLE = 73 + PF_ARM_SME_AES_INSTRUCTIONS_AVAILABLE = 74 + PF_ARM_SME_SBITPERM_INSTRUCTIONS_AVAILABLE = 75 + PF_ARM_SME_SF8MM4_INSTRUCTIONS_AVAILABLE = 76 + PF_ARM_SME_SF8MM8_INSTRUCTIONS_AVAILABLE = 77 + PF_ARM_SME_SF8DP2_INSTRUCTIONS_AVAILABLE = 78 + PF_ARM_SME_SF8DP4_INSTRUCTIONS_AVAILABLE = 79 + PF_ARM_SME_SF8FMA_INSTRUCTIONS_AVAILABLE = 80 + PF_ARM_SME_F8F32_INSTRUCTIONS_AVAILABLE = 81 + PF_ARM_SME_F8F16_INSTRUCTIONS_AVAILABLE = 82 + PF_ARM_SME_F16F16_INSTRUCTIONS_AVAILABLE = 83 + PF_ARM_SME_B16B16_INSTRUCTIONS_AVAILABLE = 84 + PF_ARM_SME_F64F64_INSTRUCTIONS_AVAILABLE = 85 + PF_ARM_SME_I16I64_INSTRUCTIONS_AVAILABLE = 86 + PF_ARM_SME_LUTv2_INSTRUCTIONS_AVAILABLE = 87 + PF_ARM_SME_FA64_INSTRUCTIONS_AVAILABLE = 88 + PF_UMONITOR_INSTRUCTION_AVAILABLE = 89 +) diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go index f25b7308..fe7a4ea1 100644 --- a/windows/zsyscall_windows.go +++ b/windows/zsyscall_windows.go @@ -320,6 +320,7 @@ var ( procGetVolumePathNamesForVolumeNameW = modkernel32.NewProc("GetVolumePathNamesForVolumeNameW") procGetWindowsDirectoryW = modkernel32.NewProc("GetWindowsDirectoryW") procInitializeProcThreadAttributeList = modkernel32.NewProc("InitializeProcThreadAttributeList") + procIsProcessorFeaturePresent = modkernel32.NewProc("IsProcessorFeaturePresent") procIsWow64Process = modkernel32.NewProc("IsWow64Process") procIsWow64Process2 = modkernel32.NewProc("IsWow64Process2") procLoadLibraryExW = modkernel32.NewProc("LoadLibraryExW") @@ -2786,6 +2787,12 @@ func initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrco return } +func IsProcessorFeaturePresent(ProcessorFeature uint32) (ret bool) { + r0, _, _ := syscall.SyscallN(procIsProcessorFeaturePresent.Addr(), uintptr(ProcessorFeature)) + ret = r0 != 0 + return +} + func IsWow64Process(handle Handle, isWow64 *bool) (err error) { var _p0 uint32 if *isWow64 {