diff options
Diffstat (limited to 'libgo/go/internal/cpu/cpu_ppc64x.go')
| -rw-r--r-- | libgo/go/internal/cpu/cpu_ppc64x.go | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/libgo/go/internal/cpu/cpu_ppc64x.go b/libgo/go/internal/cpu/cpu_ppc64x.go index 5c4bed7982c..c59503fb435 100644 --- a/libgo/go/internal/cpu/cpu_ppc64x.go +++ b/libgo/go/internal/cpu/cpu_ppc64x.go @@ -9,56 +9,36 @@ package cpu // ppc64x doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2. // These are initialized by archauxv in runtime/os_linux_ppc64x.go. // These should not be changed after they are initialized. +// On aix/ppc64, these values are initialized early in the runtime in runtime/os_aix.go. var HWCap uint var HWCap2 uint // HWCAP/HWCAP2 bits. These are exposed by the kernel. const ( // ISA Level - _PPC_FEATURE2_ARCH_2_07 = 0x80000000 - _PPC_FEATURE2_ARCH_3_00 = 0x00800000 + PPC_FEATURE2_ARCH_2_07 = 0x80000000 + PPC_FEATURE2_ARCH_3_00 = 0x00800000 // CPU features - _PPC_FEATURE_HAS_ALTIVEC = 0x10000000 - _PPC_FEATURE_HAS_DFP = 0x00000400 - _PPC_FEATURE_HAS_VSX = 0x00000080 - _PPC_FEATURE2_HAS_HTM = 0x40000000 - _PPC_FEATURE2_HAS_ISEL = 0x08000000 - _PPC_FEATURE2_HAS_VEC_CRYPTO = 0x02000000 - _PPC_FEATURE2_HTM_NOSC = 0x01000000 - _PPC_FEATURE2_DARN = 0x00200000 - _PPC_FEATURE2_SCV = 0x00100000 + PPC_FEATURE2_DARN = 0x00200000 + PPC_FEATURE2_SCV = 0x00100000 ) func doinit() { options = []option{ - {"htm", &PPC64.HasHTM}, - {"htmnosc", &PPC64.HasHTMNOSC}, - {"darn", &PPC64.HasDARN}, - {"scv", &PPC64.HasSCV}, + {Name: "darn", Feature: &PPC64.HasDARN}, + {Name: "scv", Feature: &PPC64.HasSCV}, + {Name: "power9", Feature: &PPC64.IsPOWER9}, // These capabilities should always be enabled on ppc64 and ppc64le: - // {"vmx", &PPC64.HasVMX}, - // {"dfp", &PPC64.HasDFP}, - // {"vsx", &PPC64.HasVSX}, - // {"isel", &PPC64.HasISEL}, - // {"vcrypto", &PPC64.HasVCRYPTO}, + {Name: "power8", Feature: &PPC64.IsPOWER8, Required: true}, } - // HWCAP feature bits - PPC64.HasVMX = isSet(HWCap, _PPC_FEATURE_HAS_ALTIVEC) - PPC64.HasDFP = isSet(HWCap, _PPC_FEATURE_HAS_DFP) - PPC64.HasVSX = isSet(HWCap, _PPC_FEATURE_HAS_VSX) - // HWCAP2 feature bits - PPC64.IsPOWER8 = isSet(HWCap2, _PPC_FEATURE2_ARCH_2_07) - PPC64.HasHTM = isSet(HWCap2, _PPC_FEATURE2_HAS_HTM) - PPC64.HasISEL = isSet(HWCap2, _PPC_FEATURE2_HAS_ISEL) - PPC64.HasVCRYPTO = isSet(HWCap2, _PPC_FEATURE2_HAS_VEC_CRYPTO) - PPC64.HasHTMNOSC = isSet(HWCap2, _PPC_FEATURE2_HTM_NOSC) - 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 { |