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cpu: unexport HWCap and HWCap2

Browse Source 
These are an implementation detail and should not have been
exported. This only affects Linux on platforms other than 386 and
amd64.

Fixes golang/go#30255.

Change-Id: Ib23b42a7309fd6093b6b9d8b6628de222a3928be
Reviewed-on: https://go-review.googlesource.com/c/163004
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Michael Munday
2019-02-18 09:38:26 -05:00
parent d0b11bdaac
commit 153ac47618
3 changed files with 32 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
cpu/cpu_linux.go
View File

@@ -22,8 +22,8 @@ const (
// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
// These are initialized in cpu_$GOARCH.go
// and should not be changed after they are initialized.
var HWCap uint
var HWCap2 uint
var hwCap uint
var hwCap2 uint
func init() {
buf, err := ioutil.ReadFile(procAuxv)
@@ -46,9 +46,9 @@ func init() {
}
switch tag {
case _AT_HWCAP:
HWCap = val
hwCap = val
case _AT_HWCAP2:
HWCap2 = val
hwCap2 = val
}
}
doinit()

48
cpu/cpu_linux_arm64.go
View File

@@ -36,30 +36,30 @@ const (
func doinit() {
// HWCAP feature bits
ARM64.HasFP = isSet(HWCap, hwcap_FP)
ARM64.HasASIMD = isSet(HWCap, hwcap_ASIMD)
ARM64.HasEVTSTRM = isSet(HWCap, hwcap_EVTSTRM)
ARM64.HasAES = isSet(HWCap, hwcap_AES)
ARM64.HasPMULL = isSet(HWCap, hwcap_PMULL)
ARM64.HasSHA1 = isSet(HWCap, hwcap_SHA1)
ARM64.HasSHA2 = isSet(HWCap, hwcap_SHA2)
ARM64.HasCRC32 = isSet(HWCap, hwcap_CRC32)
ARM64.HasATOMICS = isSet(HWCap, hwcap_ATOMICS)
ARM64.HasFPHP = isSet(HWCap, hwcap_FPHP)
ARM64.HasASIMDHP = isSet(HWCap, hwcap_ASIMDHP)
ARM64.HasCPUID = isSet(HWCap, hwcap_CPUID)
ARM64.HasASIMDRDM = isSet(HWCap, hwcap_ASIMDRDM)
ARM64.HasJSCVT = isSet(HWCap, hwcap_JSCVT)
ARM64.HasFCMA = isSet(HWCap, hwcap_FCMA)
ARM64.HasLRCPC = isSet(HWCap, hwcap_LRCPC)
ARM64.HasDCPOP = isSet(HWCap, hwcap_DCPOP)
ARM64.HasSHA3 = isSet(HWCap, hwcap_SHA3)
ARM64.HasSM3 = isSet(HWCap, hwcap_SM3)
ARM64.HasSM4 = isSet(HWCap, hwcap_SM4)
ARM64.HasASIMDDP = isSet(HWCap, hwcap_ASIMDDP)
ARM64.HasSHA512 = isSet(HWCap, hwcap_SHA512)
ARM64.HasSVE = isSet(HWCap, hwcap_SVE)
ARM64.HasASIMDFHM = isSet(HWCap, hwcap_ASIMDFHM)
ARM64.HasFP = isSet(hwCap, hwcap_FP)
ARM64.HasASIMD = isSet(hwCap, hwcap_ASIMD)
ARM64.HasEVTSTRM = isSet(hwCap, hwcap_EVTSTRM)
ARM64.HasAES = isSet(hwCap, hwcap_AES)
ARM64.HasPMULL = isSet(hwCap, hwcap_PMULL)
ARM64.HasSHA1 = isSet(hwCap, hwcap_SHA1)
ARM64.HasSHA2 = isSet(hwCap, hwcap_SHA2)
ARM64.HasCRC32 = isSet(hwCap, hwcap_CRC32)
ARM64.HasATOMICS = isSet(hwCap, hwcap_ATOMICS)
ARM64.HasFPHP = isSet(hwCap, hwcap_FPHP)
ARM64.HasASIMDHP = isSet(hwCap, hwcap_ASIMDHP)
ARM64.HasCPUID = isSet(hwCap, hwcap_CPUID)
ARM64.HasASIMDRDM = isSet(hwCap, hwcap_ASIMDRDM)
ARM64.HasJSCVT = isSet(hwCap, hwcap_JSCVT)
ARM64.HasFCMA = isSet(hwCap, hwcap_FCMA)
ARM64.HasLRCPC = isSet(hwCap, hwcap_LRCPC)
ARM64.HasDCPOP = isSet(hwCap, hwcap_DCPOP)
ARM64.HasSHA3 = isSet(hwCap, hwcap_SHA3)
ARM64.HasSM3 = isSet(hwCap, hwcap_SM3)
ARM64.HasSM4 = isSet(hwCap, hwcap_SM4)
ARM64.HasASIMDDP = isSet(hwCap, hwcap_ASIMDDP)
ARM64.HasSHA512 = isSet(hwCap, hwcap_SHA512)
ARM64.HasSVE = isSet(hwCap, hwcap_SVE)
ARM64.HasASIMDFHM = isSet(hwCap, hwcap_ASIMDFHM)
}
func isSet(hwc uint, value uint) bool {

8
cpu/cpu_ppc64x.go
View File

@@ -21,10 +21,10 @@ const (
func doinit() {
// HWCAP2 feature bits
PPC64.IsPOWER8 = isSet(HWCap2, _PPC_FEATURE2_ARCH_2_07)
PPC64.IsPOWER9 = isSet(HWCap2, _PPC_FEATURE2_ARCH_3_00)
PPC64.HasDARN = isSet(HWCap2, _PPC_FEATURE2_DARN)
PPC64.HasSCV = isSet(HWCap2, _PPC_FEATURE2_SCV)
PPC64.IsPOWER8 = isSet(hwCap2, _PPC_FEATURE2_ARCH_2_07)
PPC64.IsPOWER9 = isSet(hwCap2, _PPC_FEATURE2_ARCH_3_00)
PPC64.HasDARN = isSet(hwCap2, _PPC_FEATURE2_DARN)
PPC64.HasSCV = isSet(hwCap2, _PPC_FEATURE2_SCV)
}
func isSet(hwc uint, value uint) bool {