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Add support for Apple M1 AArch64 SoCs
Completely based on google#150. Thanks to @sbehnke! + Refactoring to accomodate the new source tree + Adding more feature flags
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2017 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. | ||
|
|
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| #include "cpu_features_macros.h" | ||
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| #ifdef CPU_FEATURES_ARCH_AARCH64 | ||
| #if defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID) || \ | ||
| defined(CPU_FEATURES_OS_MACOS) | ||
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| #include "cpuinfo_aarch64.h" | ||
|
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| //////////////////////////////////////////////////////////////////////////////// | ||
| // 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) | ||
| #define INTROSPECTION_PREFIX Aarch64 | ||
| #define INTROSPECTION_ENUM_PREFIX AARCH64 | ||
| #include "define_introspection_and_hwcaps.inl" | ||
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| //////////////////////////////////////////////////////////////////////////////// | ||
| // Implementation. | ||
| //////////////////////////////////////////////////////////////////////////////// | ||
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| #include <stdbool.h> | ||
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| #include "internal/bit_utils.h" | ||
| #include "internal/filesystem.h" | ||
| #include "internal/stack_line_reader.h" | ||
| #include "internal/string_view.h" | ||
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| static bool HandleAarch64Line(const LineResult result, Aarch64Info* const info); | ||
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| static void FillProcCpuInfoData(Aarch64Info* const info); | ||
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| #endif // defined(CPU_FEATURES_OS_LINUX) || defined(CPU_FEATURES_OS_ANDROID) || | ||
| // defined(CPU_FEATURES_OS_MACOS) | ||
| #endif // CPU_FEATURES_ARCH_AARCH64 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // 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. | ||
|
|
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| #include "cpu_features_macros.h" | ||
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| #ifdef CPU_FEATURES_ARCH_AARCH64 | ||
| #ifdef CPU_FEATURES_OS_MACOS | ||
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| #include "impl_aarch64__base_implementation.inl" | ||
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| #if !defined(HAVE_SYSCTLBYNAME) | ||
| #error "Darwin needs support for sysctlbyname" | ||
| #endif | ||
| #include <sys/sysctl.h> | ||
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| #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; | ||
| } | ||
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| static bool GetDarwinSysCtlByName(const char* name) { | ||
| return !!GetDarwinSysCtlByNameValue(name); | ||
| } | ||
| #endif | ||
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| static const Aarch64Info kEmptyAarch64Info; | ||
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| Aarch64Info GetAarch64Info(void) { | ||
| Aarch64Info info = kEmptyAarch64Info; | ||
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| // 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"); | ||
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| 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"); | ||
|
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| return info; | ||
| } | ||
|
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| #endif // CPU_FEATURES_OS_MACOS | ||
| #endif // CPU_FEATURES_ARCH_X86 |
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