diff --git a/CMakeLists.txt b/CMakeLists.txt index bcc9bb0..c87475c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -147,7 +147,7 @@ target_link_libraries(cpu_features PUBLIC ${CMAKE_DL_LIBS}) target_include_directories(cpu_features PUBLIC $ ) -if(PROCESSOR_IS_X86) +if(PROCESSOR_IS_X86 OR PROCESSOR_IS_AARCH64) if(APPLE) target_compile_definitions(cpu_features PRIVATE HAVE_SYSCTLBYNAME) endif() diff --git b/include/impl_aarch64__base_implementation.inl b/include/impl_aarch64__base_implementation.inl new file mode 100644 index 0000000..ef3629e --- /dev/null +++ b/include/impl_aarch64__base_implementation.inl @@ -0,0 +1,63 @@ +#include "cpuinfo_aarch64.h" + +//////////////////////////////////////////////////////////////////////////////// +// Definitions for introspection. +//////////////////////////////////////////////////////////////////////////////// +#define INTROSPECTION_TABLE \ + LINE(AARCH64_FP, fp, "fp", AARCH64_HWCAP_FP, 0) \ + LINE(AARCH64_ASIMD, asimd, "asimd", AARCH64_HWCAP_ASIMD, 0) \ + LINE(AARCH64_EVTSTRM, evtstrm, "evtstrm", AARCH64_HWCAP_EVTSTRM, 0) \ + LINE(AARCH64_AES, aes, "aes", AARCH64_HWCAP_AES, 0) \ + LINE(AARCH64_PMULL, pmull, "pmull", AARCH64_HWCAP_PMULL, 0) \ + LINE(AARCH64_SHA1, sha1, "sha1", AARCH64_HWCAP_SHA1, 0) \ + LINE(AARCH64_SHA2, sha2, "sha2", AARCH64_HWCAP_SHA2, 0) \ + LINE(AARCH64_CRC32, crc32, "crc32", AARCH64_HWCAP_CRC32, 0) \ + LINE(AARCH64_ATOMICS, atomics, "atomics", AARCH64_HWCAP_ATOMICS, 0) \ + LINE(AARCH64_FPHP, fphp, "fphp", AARCH64_HWCAP_FPHP, 0) \ + LINE(AARCH64_ASIMDHP, asimdhp, "asimdhp", AARCH64_HWCAP_ASIMDHP, 0) \ + LINE(AARCH64_CPUID, cpuid, "cpuid", AARCH64_HWCAP_CPUID, 0) \ + LINE(AARCH64_ASIMDRDM, asimdrdm, "asimdrdm", AARCH64_HWCAP_ASIMDRDM, 0) \ + LINE(AARCH64_JSCVT, jscvt, "jscvt", AARCH64_HWCAP_JSCVT, 0) \ + LINE(AARCH64_FCMA, fcma, "fcma", AARCH64_HWCAP_FCMA, 0) \ + LINE(AARCH64_LRCPC, lrcpc, "lrcpc", AARCH64_HWCAP_LRCPC, 0) \ + LINE(AARCH64_DCPOP, dcpop, "dcpop", AARCH64_HWCAP_DCPOP, 0) \ + LINE(AARCH64_SHA3, sha3, "sha3", AARCH64_HWCAP_SHA3, 0) \ + LINE(AARCH64_SM3, sm3, "sm3", AARCH64_HWCAP_SM3, 0) \ + LINE(AARCH64_SM4, sm4, "sm4", AARCH64_HWCAP_SM4, 0) \ + LINE(AARCH64_ASIMDDP, asimddp, "asimddp", AARCH64_HWCAP_ASIMDDP, 0) \ + LINE(AARCH64_SHA512, sha512, "sha512", AARCH64_HWCAP_SHA512, 0) \ + LINE(AARCH64_SVE, sve, "sve", AARCH64_HWCAP_SVE, 0) \ + LINE(AARCH64_ASIMDFHM, asimdfhm, "asimdfhm", AARCH64_HWCAP_ASIMDFHM, 0) \ + LINE(AARCH64_DIT, dit, "dit", AARCH64_HWCAP_DIT, 0) \ + LINE(AARCH64_USCAT, uscat, "uscat", AARCH64_HWCAP_USCAT, 0) \ + LINE(AARCH64_ILRCPC, ilrcpc, "ilrcpc", AARCH64_HWCAP_ILRCPC, 0) \ + LINE(AARCH64_FLAGM, flagm, "flagm", AARCH64_HWCAP_FLAGM, 0) \ + LINE(AARCH64_SSBS, ssbs, "ssbs", AARCH64_HWCAP_SSBS, 0) \ + LINE(AARCH64_SB, sb, "sb", AARCH64_HWCAP_SB, 0) \ + LINE(AARCH64_PACA, paca, "paca", AARCH64_HWCAP_PACA, 0) \ + LINE(AARCH64_PACG, pacg, "pacg", AARCH64_HWCAP_PACG, 0) \ + LINE(AARCH64_DCPODP, dcpodp, "dcpodp", 0, AARCH64_HWCAP2_DCPODP) \ + LINE(AARCH64_SVE2, sve2, "sve2", 0, AARCH64_HWCAP2_SVE2) \ + LINE(AARCH64_SVEAES, sveaes, "sveaes", 0, AARCH64_HWCAP2_SVEAES) \ + LINE(AARCH64_SVEPMULL, svepmull, "svepmull", 0, AARCH64_HWCAP2_SVEPMULL) \ + LINE(AARCH64_SVEBITPERM, svebitperm, "svebitperm", 0, \ + AARCH64_HWCAP2_SVEBITPERM) \ + LINE(AARCH64_SVESHA3, svesha3, "svesha3", 0, AARCH64_HWCAP2_SVESHA3) \ + LINE(AARCH64_SVESM4, svesm4, "svesm4", 0, AARCH64_HWCAP2_SVESM4) \ + LINE(AARCH64_FLAGM2, flagm2, "flagm2", 0, AARCH64_HWCAP2_FLAGM2) \ + LINE(AARCH64_FRINT, frint, "frint", 0, AARCH64_HWCAP2_FRINT) \ + LINE(AARCH64_SVEI8MM, svei8mm, "svei8mm", 0, AARCH64_HWCAP2_SVEI8MM) \ + LINE(AARCH64_SVEF32MM, svef32mm, "svef32mm", 0, AARCH64_HWCAP2_SVEF32MM) \ + LINE(AARCH64_SVEF64MM, svef64mm, "svef64mm", 0, AARCH64_HWCAP2_SVEF64MM) \ + LINE(AARCH64_SVEBF16, svebf16, "svebf16", 0, AARCH64_HWCAP2_SVEBF16) \ + LINE(AARCH64_I8MM, i8mm, "i8mm", 0, AARCH64_HWCAP2_I8MM) \ + LINE(AARCH64_BF16, bf16, "bf16", 0, AARCH64_HWCAP2_BF16) \ + LINE(AARCH64_DGH, dgh, "dgh", 0, AARCH64_HWCAP2_DGH) \ + LINE(AARCH64_RNG, rng, "rng", 0, AARCH64_HWCAP2_RNG) \ + LINE(AARCH64_BTI, bti, "bti", 0, AARCH64_HWCAP2_BTI) \ + LINE(AARCH64_MTE, mte, "mte", 0, AARCH64_HWCAP2_MTE) \ + LINE(AARCH64_ECV, ecv, "ecv", 0, AARCH64_HWCAP2_ECV) \ + LINE(AARCH64_AFP, afp, "afp", 0, AARCH64_HWCAP2_AFP) \ + LINE(AARCH64_RPRES, rpres, "rpres", 0, AARCH64_HWCAP2_RPRES) +#define INTROSPECTION_PREFIX Aarch64 +#define INTROSPECTION_ENUM_PREFIX AARCH64 diff --git a/src/impl_aarch64_linux_or_android.c b/src/impl_aarch64_linux_or_android.c index ef923d9..c0a764c 100644 --- a/src/impl_aarch64_linux_or_android.c +++ b/src/impl_aarch64_linux_or_android.c @@ -17,81 +17,7 @@ #ifdef CPU_FEATURES_ARCH_AARCH64 #if defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID) -#include "cpuinfo_aarch64.h" - -//////////////////////////////////////////////////////////////////////////////// -// Definitions for introspection. -//////////////////////////////////////////////////////////////////////////////// -#define INTROSPECTION_TABLE \ - LINE(AARCH64_FP, fp, "fp", AARCH64_HWCAP_FP, 0) \ - LINE(AARCH64_ASIMD, asimd, "asimd", AARCH64_HWCAP_ASIMD, 0) \ - LINE(AARCH64_EVTSTRM, evtstrm, "evtstrm", AARCH64_HWCAP_EVTSTRM, 0) \ - LINE(AARCH64_AES, aes, "aes", AARCH64_HWCAP_AES, 0) \ - LINE(AARCH64_PMULL, pmull, "pmull", AARCH64_HWCAP_PMULL, 0) \ - LINE(AARCH64_SHA1, sha1, "sha1", AARCH64_HWCAP_SHA1, 0) \ - LINE(AARCH64_SHA2, sha2, "sha2", AARCH64_HWCAP_SHA2, 0) \ - LINE(AARCH64_CRC32, crc32, "crc32", AARCH64_HWCAP_CRC32, 0) \ - LINE(AARCH64_ATOMICS, atomics, "atomics", AARCH64_HWCAP_ATOMICS, 0) \ - LINE(AARCH64_FPHP, fphp, "fphp", AARCH64_HWCAP_FPHP, 0) \ - LINE(AARCH64_ASIMDHP, asimdhp, "asimdhp", AARCH64_HWCAP_ASIMDHP, 0) \ - LINE(AARCH64_CPUID, cpuid, "cpuid", AARCH64_HWCAP_CPUID, 0) \ - LINE(AARCH64_ASIMDRDM, asimdrdm, "asimdrdm", AARCH64_HWCAP_ASIMDRDM, 0) \ - LINE(AARCH64_JSCVT, jscvt, "jscvt", AARCH64_HWCAP_JSCVT, 0) \ - LINE(AARCH64_FCMA, fcma, "fcma", AARCH64_HWCAP_FCMA, 0) \ - LINE(AARCH64_LRCPC, lrcpc, "lrcpc", AARCH64_HWCAP_LRCPC, 0) \ - LINE(AARCH64_DCPOP, dcpop, "dcpop", AARCH64_HWCAP_DCPOP, 0) \ - LINE(AARCH64_SHA3, sha3, "sha3", AARCH64_HWCAP_SHA3, 0) \ - LINE(AARCH64_SM3, sm3, "sm3", AARCH64_HWCAP_SM3, 0) \ - LINE(AARCH64_SM4, sm4, "sm4", AARCH64_HWCAP_SM4, 0) \ - LINE(AARCH64_ASIMDDP, asimddp, "asimddp", AARCH64_HWCAP_ASIMDDP, 0) \ - LINE(AARCH64_SHA512, sha512, "sha512", AARCH64_HWCAP_SHA512, 0) \ - LINE(AARCH64_SVE, sve, "sve", AARCH64_HWCAP_SVE, 0) \ - LINE(AARCH64_ASIMDFHM, asimdfhm, "asimdfhm", AARCH64_HWCAP_ASIMDFHM, 0) \ - LINE(AARCH64_DIT, dit, "dit", AARCH64_HWCAP_DIT, 0) \ - LINE(AARCH64_USCAT, uscat, "uscat", AARCH64_HWCAP_USCAT, 0) \ - LINE(AARCH64_ILRCPC, ilrcpc, "ilrcpc", AARCH64_HWCAP_ILRCPC, 0) \ - LINE(AARCH64_FLAGM, flagm, "flagm", AARCH64_HWCAP_FLAGM, 0) \ - LINE(AARCH64_SSBS, ssbs, "ssbs", AARCH64_HWCAP_SSBS, 0) \ - LINE(AARCH64_SB, sb, "sb", AARCH64_HWCAP_SB, 0) \ - LINE(AARCH64_PACA, paca, "paca", AARCH64_HWCAP_PACA, 0) \ - LINE(AARCH64_PACG, pacg, "pacg", AARCH64_HWCAP_PACG, 0) \ - LINE(AARCH64_DCPODP, dcpodp, "dcpodp", 0, AARCH64_HWCAP2_DCPODP) \ - LINE(AARCH64_SVE2, sve2, "sve2", 0, AARCH64_HWCAP2_SVE2) \ - LINE(AARCH64_SVEAES, sveaes, "sveaes", 0, AARCH64_HWCAP2_SVEAES) \ - LINE(AARCH64_SVEPMULL, svepmull, "svepmull", 0, AARCH64_HWCAP2_SVEPMULL) \ - LINE(AARCH64_SVEBITPERM, svebitperm, "svebitperm", 0, \ - AARCH64_HWCAP2_SVEBITPERM) \ - LINE(AARCH64_SVESHA3, svesha3, "svesha3", 0, AARCH64_HWCAP2_SVESHA3) \ - LINE(AARCH64_SVESM4, svesm4, "svesm4", 0, AARCH64_HWCAP2_SVESM4) \ - LINE(AARCH64_FLAGM2, flagm2, "flagm2", 0, AARCH64_HWCAP2_FLAGM2) \ - LINE(AARCH64_FRINT, frint, "frint", 0, AARCH64_HWCAP2_FRINT) \ - LINE(AARCH64_SVEI8MM, svei8mm, "svei8mm", 0, AARCH64_HWCAP2_SVEI8MM) \ - LINE(AARCH64_SVEF32MM, svef32mm, "svef32mm", 0, AARCH64_HWCAP2_SVEF32MM) \ - LINE(AARCH64_SVEF64MM, svef64mm, "svef64mm", 0, AARCH64_HWCAP2_SVEF64MM) \ - LINE(AARCH64_SVEBF16, svebf16, "svebf16", 0, AARCH64_HWCAP2_SVEBF16) \ - LINE(AARCH64_I8MM, i8mm, "i8mm", 0, AARCH64_HWCAP2_I8MM) \ - LINE(AARCH64_BF16, bf16, "bf16", 0, AARCH64_HWCAP2_BF16) \ - LINE(AARCH64_DGH, dgh, "dgh", 0, AARCH64_HWCAP2_DGH) \ - LINE(AARCH64_RNG, rng, "rng", 0, AARCH64_HWCAP2_RNG) \ - LINE(AARCH64_BTI, bti, "bti", 0, AARCH64_HWCAP2_BTI) \ - LINE(AARCH64_MTE, mte, "mte", 0, AARCH64_HWCAP2_MTE) \ - LINE(AARCH64_ECV, ecv, "ecv", 0, AARCH64_HWCAP2_ECV) \ - LINE(AARCH64_AFP, afp, "afp", 0, AARCH64_HWCAP2_AFP) \ - LINE(AARCH64_RPRES, rpres, "rpres", 0, AARCH64_HWCAP2_RPRES) -#define INTROSPECTION_PREFIX Aarch64 -#define INTROSPECTION_ENUM_PREFIX AARCH64 -#include "define_introspection_and_hwcaps.inl" - -//////////////////////////////////////////////////////////////////////////////// -// Implementation. -//////////////////////////////////////////////////////////////////////////////// - -#include - -#include "internal/bit_utils.h" -#include "internal/filesystem.h" -#include "internal/stack_line_reader.h" -#include "internal/string_view.h" +#include "impl_aarch64__base_implementation.inl" static bool HandleAarch64Line(const LineResult result, Aarch64Info* const info) { diff --git b/src/impl_aarch64_macos_or_iphone.c b/src/impl_aarch64_macos_or_iphone.c new file mode 100644 index 0000000..4dd1db7 --- /dev/null +++ b/src/impl_aarch64_macos_or_iphone.c @@ -0,0 +1,82 @@ +// Copyright 2021 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "cpu_features_macros.h" + +#ifdef CPU_FEATURES_ARCH_AARCH64 +#if defined(CPU_FEATURES_OS_MACOS) || defined(CPU_FEATURES_OS_IPHONE) + +#include "impl_aarch64__base_implementation.inl" +#include "define_introspection_and_hwcaps.inl" + +#if !defined(HAVE_SYSCTLBYNAME) +#error "Darwin needs support for sysctlbyname" +#endif +#include + +#if defined(CPU_FEATURES_MOCK_SYSCTL_AARCH64) +extern bool GetDarwinSysCtlByName(const char*); +extern int GetDarwinSysCtlByNameValue(const char* name); +#else +static int GetDarwinSysCtlByNameValue(const char* name) { + int enabled; + size_t enabled_len = sizeof(enabled); + const int failure = sysctlbyname(name, &enabled, &enabled_len, NULL, 0); + return failure ? 0 : enabled; +} + +static bool GetDarwinSysCtlByName(const char* name) { + return GetDarwinSysCtlByNameValue(name) != 0; +} +#endif + +static const Aarch64Info kEmptyAarch64Info; + +Aarch64Info GetAarch64Info(void) { + Aarch64Info info = kEmptyAarch64Info; + + // Handling Darwin platform through sysctlbyname. + info.implementer = GetDarwinSysCtlByNameValue("hw.cputype"); + info.variant = GetDarwinSysCtlByNameValue("hw.cpusubtype"); + info.part = GetDarwinSysCtlByNameValue("hw.cpufamily"); + info.revision = GetDarwinSysCtlByNameValue("hw.cpusubfamily"); + + info.features.fp = GetDarwinSysCtlByName("hw.optional.floatingpoint"); + info.features.asimd = GetDarwinSysCtlByName("hw.optional.AdvSIMD"); + info.features.aes = GetDarwinSysCtlByName("hw.optional.arm.FEAT_AES"); + info.features.pmull = GetDarwinSysCtlByName("hw.optional.arm.FEAT_PMULL"); + info.features.sha1 = GetDarwinSysCtlByName("hw.optional.arm.FEAT_SHA1"); + info.features.sha2 = GetDarwinSysCtlByName("hw.optional.arm.FEAT_SHA2"); + info.features.crc32 = GetDarwinSysCtlByName("hw.optional.armv8_crc32"); + info.features.atomics = GetDarwinSysCtlByName("hw.optional.armv8_1_atomics"); + info.features.fphp = GetDarwinSysCtlByName("hw.optional.neon_hpfp"); + info.features.jscvt = GetDarwinSysCtlByName("hw.optional.arm.FEAT_JSCVT"); + info.features.fcma = GetDarwinSysCtlByName("hw.optional.arm.FEAT_FCMA"); + info.features.lrcpc = GetDarwinSysCtlByName("hw.optional.arm.FEAT_LRCPC"); + info.features.sha3 = GetDarwinSysCtlByName("hw.optional.armv8_2_sha3"); + info.features.sha512 = GetDarwinSysCtlByName("hw.optional.armv8_2_sha512"); + info.features.asimdfhm = GetDarwinSysCtlByName("hw.optional.armv8_2_fhm"); + info.features.flagm = GetDarwinSysCtlByName("hw.optional.arm.FEAT_FLAGM"); + info.features.flagm2 = GetDarwinSysCtlByName("hw.optional.arm.FEAT_FLAGM2"); + info.features.ssbs = GetDarwinSysCtlByName("hw.optional.arm.FEAT_SSBS"); + info.features.sb = GetDarwinSysCtlByName("hw.optional.arm.FEAT_SB"); + info.features.i8mm = GetDarwinSysCtlByName("hw.optional.arm.FEAT_I8MM"); + info.features.bf16 = GetDarwinSysCtlByName("hw.optional.arm.FEAT_BF16"); + info.features.bti = GetDarwinSysCtlByName("hw.optional.arm.FEAT_BTI"); + + return info; +} + +#endif // defined(CPU_FEATURES_OS_MACOS) || defined(CPU_FEATURES_OS_IPHONE) +#endif // CPU_FEATURES_ARCH_AARCH64