golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/cpu/cpu_linux_arm.go (about)

     1  // Copyright 2019 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  func doinit() {
     8  	ARM.HasSWP = isSet(hwCap, hwcap_SWP)
     9  	ARM.HasHALF = isSet(hwCap, hwcap_HALF)
    10  	ARM.HasTHUMB = isSet(hwCap, hwcap_THUMB)
    11  	ARM.Has26BIT = isSet(hwCap, hwcap_26BIT)
    12  	ARM.HasFASTMUL = isSet(hwCap, hwcap_FAST_MULT)
    13  	ARM.HasFPA = isSet(hwCap, hwcap_FPA)
    14  	ARM.HasVFP = isSet(hwCap, hwcap_VFP)
    15  	ARM.HasEDSP = isSet(hwCap, hwcap_EDSP)
    16  	ARM.HasJAVA = isSet(hwCap, hwcap_JAVA)
    17  	ARM.HasIWMMXT = isSet(hwCap, hwcap_IWMMXT)
    18  	ARM.HasCRUNCH = isSet(hwCap, hwcap_CRUNCH)
    19  	ARM.HasTHUMBEE = isSet(hwCap, hwcap_THUMBEE)
    20  	ARM.HasNEON = isSet(hwCap, hwcap_NEON)
    21  	ARM.HasVFPv3 = isSet(hwCap, hwcap_VFPv3)
    22  	ARM.HasVFPv3D16 = isSet(hwCap, hwcap_VFPv3D16)
    23  	ARM.HasTLS = isSet(hwCap, hwcap_TLS)
    24  	ARM.HasVFPv4 = isSet(hwCap, hwcap_VFPv4)
    25  	ARM.HasIDIVA = isSet(hwCap, hwcap_IDIVA)
    26  	ARM.HasIDIVT = isSet(hwCap, hwcap_IDIVT)
    27  	ARM.HasVFPD32 = isSet(hwCap, hwcap_VFPD32)
    28  	ARM.HasLPAE = isSet(hwCap, hwcap_LPAE)
    29  	ARM.HasEVTSTRM = isSet(hwCap, hwcap_EVTSTRM)
    30  	ARM.HasAES = isSet(hwCap2, hwcap2_AES)
    31  	ARM.HasPMULL = isSet(hwCap2, hwcap2_PMULL)
    32  	ARM.HasSHA1 = isSet(hwCap2, hwcap2_SHA1)
    33  	ARM.HasSHA2 = isSet(hwCap2, hwcap2_SHA2)
    34  	ARM.HasCRC32 = isSet(hwCap2, hwcap2_CRC32)
    35  }
    36  
    37  func isSet(hwc uint, value uint) bool {
    38  	return hwc&value != 0
    39  }