cpu_windows.go

     1  // Copyright 2026 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package cpu
     6  
     7  //go:generate go run golang.org/x/sys/windows/mkwinsyscall -systemdll=false -output zcpu_windows.go cpu_windows.go
     8  
     9  //sys	isProcessorFeaturePresent(ProcessorFeature uint32) (ret bool) = kernel32.IsProcessorFeaturePresent
    10  
    11  // The processor features to be tested for IsProcessorFeaturePresent, see
    12  // https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-isprocessorfeaturepresent
    13  const (
    14  	_PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE  = 30
    15  	_PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE   = 31
    16  	_PF_ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE = 34
    17  	_PF_ARM_V82_DP_INSTRUCTIONS_AVAILABLE     = 43
    18  
    19  	_PF_ARM_V83_JSCVT_INSTRUCTIONS_AVAILABLE = 44
    20  	_PF_ARM_V83_LRCPC_INSTRUCTIONS_AVAILABLE = 45
    21  	_PF_ARM_SVE_INSTRUCTIONS_AVAILABLE       = 46
    22  	_PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE      = 47
    23  
    24  	_PF_ARM_SHA3_INSTRUCTIONS_AVAILABLE   = 64
    25  	_PF_ARM_SHA512_INSTRUCTIONS_AVAILABLE = 65
    26  )
    27
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