diff options
Diffstat (limited to 'vendor/golang.org/x/sys/cpu/cpu_ppc64x.go')
| -rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_ppc64x.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go b/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go index d10759a52..ed975de62 100644 --- a/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go +++ b/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go @@ -7,3 +7,26 @@ package cpu const cacheLineSize = 128 + +// HWCAP/HWCAP2 bits. These are exposed by the kernel. +const ( + // ISA Level + _PPC_FEATURE2_ARCH_2_07 = 0x80000000 + _PPC_FEATURE2_ARCH_3_00 = 0x00800000 + + // CPU features + _PPC_FEATURE2_DARN = 0x00200000 + _PPC_FEATURE2_SCV = 0x00100000 +) + +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) +} + +func isSet(hwc uint, value uint) bool { + return hwc&value != 0 +} |