diff options
Diffstat (limited to 'include/oaknut/feature_detection/feature_detection_hwcaps.hpp')
| -rw-r--r-- | include/oaknut/feature_detection/feature_detection_hwcaps.hpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/oaknut/feature_detection/feature_detection_hwcaps.hpp b/include/oaknut/feature_detection/feature_detection_hwcaps.hpp new file mode 100644 index 00000000..09855258 --- /dev/null +++ b/include/oaknut/feature_detection/feature_detection_hwcaps.hpp @@ -0,0 +1,120 @@ +// SPDX-FileCopyrightText: Copyright (c) 2023 merryhime <https://mary.rs> +// SPDX-License-Identifier: MIT + +#pragma once + +#include <cstddef> + +#include "oaknut/feature_detection/cpu_feature.hpp" + +namespace oaknut { + +namespace detail { + +template<std::size_t... bits> +constexpr bool bit_test(unsigned long value) +{ + return (((value >> bits) & 1) && ...); +} + +} // namespace detail + +inline CpuFeatures detect_features_via_hwcap(unsigned long hwcap, unsigned long hwcap2) +{ + CpuFeatures result; + +#define OAKNUT_DETECT_CAP(FEAT, ...) \ + if (detail::bit_test<__VA_ARGS__>(hwcap)) { \ + result |= CpuFeatures{CpuFeature::FEAT}; \ + } +#define OAKNUT_DETECT_CAP2(FEAT, ...) \ + if (detail::bit_test<__VA_ARGS__>(hwcap2)) { \ + result |= CpuFeatures{CpuFeature::FEAT}; \ + } + + OAKNUT_DETECT_CAP(FP, 0) // HWCAP_FP + OAKNUT_DETECT_CAP(ASIMD, 1) // HWCAP_ASIMD + // HWCAP_EVTSTRM (2) + OAKNUT_DETECT_CAP(AES, 3) // HWCAP_AES + OAKNUT_DETECT_CAP(PMULL, 4) // HWCAP_PMULL + OAKNUT_DETECT_CAP(SHA1, 5) // HWCAP_SHA1 + OAKNUT_DETECT_CAP(SHA256, 6) // HWCAP_SHA2 + OAKNUT_DETECT_CAP(CRC32, 7) // HWCAP_CRC32 + OAKNUT_DETECT_CAP(LSE, 8) // HWCAP_ATOMICS + OAKNUT_DETECT_CAP(FP16Conv, 9, 10) // HWCAP_FPHP && HWCAP_ASIMDHP + OAKNUT_DETECT_CAP(FP16, 9, 10) // HWCAP_FPHP && HWCAP_ASIMDHP + // HWCAP_CPUID (11) + OAKNUT_DETECT_CAP(RDM, 12) // HWCAP_ASIMDRDM + OAKNUT_DETECT_CAP(JSCVT, 13) // HWCAP_JSCVT + OAKNUT_DETECT_CAP(FCMA, 14) // HWCAP_FCMA + OAKNUT_DETECT_CAP(LRCPC, 15) // HWCAP_LRCPC + OAKNUT_DETECT_CAP(DPB, 16) // HWCAP_DCPOP + OAKNUT_DETECT_CAP(SHA3, 17) // HWCAP_SHA3 + OAKNUT_DETECT_CAP(SM3, 18) // HWCAP_SM3 + OAKNUT_DETECT_CAP(SM4, 19) // HWCAP_SM4 + OAKNUT_DETECT_CAP(DotProd, 20) // HWCAP_ASIMDDP + OAKNUT_DETECT_CAP(SHA512, 21) // HWCAP_SHA512 + OAKNUT_DETECT_CAP(SVE, 22) // HWCAP_SVE + OAKNUT_DETECT_CAP(FHM, 23) // HWCAP_ASIMDFHM + OAKNUT_DETECT_CAP(DIT, 24) // HWCAP_DIT + OAKNUT_DETECT_CAP(LSE2, 25) // HWCAP_USCAT + OAKNUT_DETECT_CAP(LRCPC2, 26) // HWCAP_ILRCPC + OAKNUT_DETECT_CAP(FlagM, 27) // HWCAP_FLAGM + OAKNUT_DETECT_CAP(SSBS, 28) // HWCAP_SSBS + OAKNUT_DETECT_CAP(SB, 29) // HWCAP_SB + OAKNUT_DETECT_CAP(PACA, 30) // HWCAP_PACA + OAKNUT_DETECT_CAP(PACG, 31) // HWCAP_PACG + + OAKNUT_DETECT_CAP2(DPB2, 0) // HWCAP2_DCPODP + OAKNUT_DETECT_CAP2(SVE2, 1) // HWCAP2_SVE2 + OAKNUT_DETECT_CAP2(SVE_AES, 2) // HWCAP2_SVEAES + OAKNUT_DETECT_CAP2(SVE_PMULL128, 3) // HWCAP2_SVEPMULL + OAKNUT_DETECT_CAP2(SVE_BITPERM, 4) // HWCAP2_SVEBITPERM + OAKNUT_DETECT_CAP2(SVE_SHA3, 5) // HWCAP2_SVESHA3 + OAKNUT_DETECT_CAP2(SVE_SM4, 6) // HWCAP2_SVESM4 + OAKNUT_DETECT_CAP2(FlagM2, 7) // HWCAP2_FLAGM2 + OAKNUT_DETECT_CAP2(FRINTTS, 8) // HWCAP2_FRINT + OAKNUT_DETECT_CAP2(SVE_I8MM, 9) // HWCAP2_SVEI8MM + OAKNUT_DETECT_CAP2(SVE_F32MM, 10) // HWCAP2_SVEF32MM + OAKNUT_DETECT_CAP2(SVE_F64MM, 11) // HWCAP2_SVEF64MM + OAKNUT_DETECT_CAP2(SVE_BF16, 12) // HWCAP2_SVEBF16 + OAKNUT_DETECT_CAP2(I8MM, 13) // HWCAP2_I8MM + OAKNUT_DETECT_CAP2(BF16, 14) // HWCAP2_BF16 + OAKNUT_DETECT_CAP2(DGH, 15) // HWCAP2_DGH + OAKNUT_DETECT_CAP2(RNG, 16) // HWCAP2_RNG + OAKNUT_DETECT_CAP2(BTI, 17) // HWCAP2_BTI + OAKNUT_DETECT_CAP2(MTE, 18) // HWCAP2_MTE + OAKNUT_DETECT_CAP2(ECV, 19) // HWCAP2_ECV + OAKNUT_DETECT_CAP2(AFP, 20) // HWCAP2_AFP + OAKNUT_DETECT_CAP2(RPRES, 21) // HWCAP2_RPRES + OAKNUT_DETECT_CAP2(MTE3, 22) // HWCAP2_MTE3 + OAKNUT_DETECT_CAP2(SME, 23) // HWCAP2_SME + OAKNUT_DETECT_CAP2(SME_I16I64, 24) // HWCAP2_SME_I16I64 + OAKNUT_DETECT_CAP2(SME_F64F64, 25) // HWCAP2_SME_F64F64 + OAKNUT_DETECT_CAP2(SME_I8I32, 26) // HWCAP2_SME_I8I32 + OAKNUT_DETECT_CAP2(SME_F16F32, 27) // HWCAP2_SME_F16F32 + OAKNUT_DETECT_CAP2(SME_B16F32, 28) // HWCAP2_SME_B16F32 + OAKNUT_DETECT_CAP2(SME_F32F32, 29) // HWCAP2_SME_F32F32 + OAKNUT_DETECT_CAP2(SME_FA64, 30) // HWCAP2_SME_FA64 + OAKNUT_DETECT_CAP2(WFxT, 31) // HWCAP2_WFXT + OAKNUT_DETECT_CAP2(EBF16, 32) // HWCAP2_EBF16 + OAKNUT_DETECT_CAP2(SVE_EBF16, 33) // HWCAP2_SVE_EBF16 + OAKNUT_DETECT_CAP2(CSSC, 34) // HWCAP2_CSSC + OAKNUT_DETECT_CAP2(RPRFM, 35) // HWCAP2_RPRFM + OAKNUT_DETECT_CAP2(SVE2p1, 36) // HWCAP2_SVE2P1 + OAKNUT_DETECT_CAP2(SME2, 37) // HWCAP2_SME2 + OAKNUT_DETECT_CAP2(SME2p1, 38) // HWCAP2_SME2P1 + OAKNUT_DETECT_CAP2(SME_I16I32, 39) // HWCAP2_SME_I16I32 + OAKNUT_DETECT_CAP2(SME_BI32I32, 40) // HWCAP2_SME_BI32I32 + OAKNUT_DETECT_CAP2(SME_B16B16, 41) // HWCAP2_SME_B16B16 + OAKNUT_DETECT_CAP2(SME_F16F16, 42) // HWCAP2_SME_F16F16 + OAKNUT_DETECT_CAP2(MOPS, 43) // HWCAP2_MOPS + OAKNUT_DETECT_CAP2(HBC, 44) // HWCAP2_HBC + +#undef OAKNUT_DETECT_CAP +#undef OAKNUT_DETECT_CAP2 + + return result; +} + +} // namespace oaknut |