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#if HAVE_ARM64_CRC32C |
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#if HAVE_ARM64_CRC32C |
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#if defined(__FreeBSD__) |
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#include <machine/armreg.h> |
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#include <sys/types.h> |
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namespace crc32c { |
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inline bool CanUseArm64Linux() { |
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uint64_t id_aa64isar0; |
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id_aa64isar0 = READ_SPECIALREG(ID_AA64ISAR0_EL1); |
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if ((ID_AA64ISAR0_AES(id_aa64isar0) == ID_AA64ISAR0_AES_PMULL) && \ |
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(ID_AA64ISAR0_CRC32(id_aa64isar0) == ID_AA64ISAR0_CRC32_BASE)) |
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return true; |
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return false; |
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} |
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} // namespace crc32c |
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#elif defined(__linux__) |
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#if HAVE_STRONG_GETAUXVAL |
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#if HAVE_STRONG_GETAUXVAL |
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#include <sys/auxv.h> |
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#include <sys/auxv.h> |
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#elif HAVE_WEAK_GETAUXVAL |
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#elif HAVE_WEAK_GETAUXVAL |
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inline bool CanUseArm64Linux() {
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} // namespace crc32c |
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} // namespace crc32c |
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#endif |
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#endif // HAVE_ARM64_CRC32C |
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#endif // HAVE_ARM64_CRC32C |
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#endif // CRC32C_CRC32C_ARM_LINUX_CHECK_H_ |
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#endif // CRC32C_CRC32C_ARM_LINUX_CHECK_H_ |