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| author | Martyn Capewell <martyn.capewell@arm.com> | 2022-01-20 17:01:06 +0000 |
|---|---|---|
| committer | Martyn Capewell <martyn.capewell@arm.com> | 2022-01-26 13:58:12 +0000 |
| commit | 0222be8f0e4a0096693188cda9df7bbac4639d5f (patch) | |
| tree | e17c1d92cb59ea961936ef4ed9368297d5be60e8 | |
| parent | ae0af059aad387073f42cee03ac8433760c600f8 (diff) | |
| download | vixl-0222be8f0e4a0096693188cda9df7bbac4639d5f.tar.gz | |
Add FlagM2 to HWCAP feature bits
FlagM2 (bit 39, kAXFlag to VIXL) was missing from the HWCAP feature bits used
for mapping Linux's feature reporting to VIXL. This caused subsequent bits to be
off by one.
| -rw-r--r-- | src/aarch64/cpu-aarch64.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/aarch64/cpu-aarch64.cc b/src/aarch64/cpu-aarch64.cc index 2d2590f4..0438d085 100644 --- a/src/aarch64/cpu-aarch64.cc +++ b/src/aarch64/cpu-aarch64.cc @@ -279,8 +279,9 @@ CPUFeatures CPU::InferCPUFeaturesFromOS( CPUFeatures::kSVEBitPerm, CPUFeatures::kSVESHA3, CPUFeatures::kSVESM4, - CPUFeatures::kFrintToFixedSizedInt, + CPUFeatures::kAXFlag, // Bits 40-47 + CPUFeatures::kFrintToFixedSizedInt, CPUFeatures::kSVEI8MM, CPUFeatures::kSVEF32MM, CPUFeatures::kSVEF64MM, @@ -288,8 +289,8 @@ CPUFeatures CPU::InferCPUFeaturesFromOS( CPUFeatures::kI8MM, CPUFeatures::kBF16, CPUFeatures::kDGH, - CPUFeatures::kRNG, // Bits 48+ + CPUFeatures::kRNG, CPUFeatures::kBTI}; uint64_t hwcap_low32 = getauxval(AT_HWCAP); |