mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
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Improve Apple iOS support for ARM and NEON. Add ARM Crypto detection
This commit is contained in:
Jeffrey Walton
parent
950cf4cdb9
commit
480532931b
13
config.h
13
config.h
@ -535,16 +535,25 @@ NAMESPACE_END
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#endif
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#if !defined(CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_MSC_VERSION >= 1700))
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# if defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(_M_ARM)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_APPLE_CLANG_VERSION >= 60000) || (CRYPTOPP_MSC_VERSION >= 1700))
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# if defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(_M_ARM) || (__ARM_ARCH >= 8)
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# define CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE 1
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# endif
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# endif
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#endif
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#if !defined(CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_APPLE_CLANG_VERSION >= 60000))
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# if defined(__ARM_FEATURE_CRYPTO)
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# define CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE 1
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# endif
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# endif
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#endif
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#ifndef CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE
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# define CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE 0
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#endif
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#if !defined(CRYPTOPP_NO_UNALIGNED_DATA_ACCESS) && !defined(CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS)
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#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || defined(__powerpc__) || (__ARM_FEATURE_UNALIGNED >= 1))
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#define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
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@ -535,16 +535,25 @@ NAMESPACE_END
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#endif
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#if !defined(CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_MSC_VERSION >= 1700))
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# if defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(_M_ARM)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_APPLE_CLANG_VERSION >= 60000) || (CRYPTOPP_MSC_VERSION >= 1700))
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# if defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(_M_ARM) || (__ARM_ARCH >= 8)
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# define CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE 1
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# endif
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# endif
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#endif
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#if !defined(CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE)
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# if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64) && ((CRYPTOPP_GCC_VERSION >= 40400) || (CRYPTOPP_CLANG_VERSION >= 20800) || (CRYPTOPP_APPLE_CLANG_VERSION >= 60000))
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# if defined(__ARM_FEATURE_CRYPTO)
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# define CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE 1
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# endif
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# endif
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#endif
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#ifndef CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE
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# define CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE 0
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#endif
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#if !defined(CRYPTOPP_NO_UNALIGNED_DATA_ACCESS) && !defined(CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS)
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#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || defined(__powerpc__) || (__ARM_FEATURE_UNALIGNED >= 1))
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#define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
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21
cpu.cpp
21
cpu.cpp
@ -256,7 +256,7 @@ void DetectX86Features()
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#elif (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64)
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bool g_ArmDetectionDone = false;
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bool g_hasNEON = false, g_hasCRC32 = false;
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bool g_hasNEON = false, g_hasCRC32 = false, g_hasCrypto = false;
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// This is avaiable in a status register, but we need privileged code to perform the read
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word32 g_cacheLineSize = CRYPTOPP_L1_CACHE_LINE_SIZE;
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@ -285,9 +285,26 @@ void DetectArmFeatures()
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# else
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g_hasCRC32 = false;
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# endif
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#elif defined(_WIN32) && defined(_M_ARM) // Microsoft ARM
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#elif defined(__APPLE__)
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g_hasNEON = true;
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# if defined(__ARM_FEATURE_CRC32)
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g_hasCRC32 = true;
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# else
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g_hasCRC32 = false;
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# endif
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# if defined(__ARM_FEATURE_CRYPTO)
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g_hasCrypto = true;
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# else
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g_hasCrypto = false;
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# endif
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#elif defined(_WIN32)
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g_hasNEON = true;
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g_hasCRC32 = false;
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g_hasCrypto = false;
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#else
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g_hasNEON = false;
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g_hasCRC32 = false;
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g_hasCrypto = false;
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#endif
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*((volatile bool*)&g_ArmDetectionDone) = true;
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}
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24
cpu.h
24
cpu.h
@ -20,7 +20,7 @@
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# if CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE
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# include <arm_neon.h>
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# endif
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# if defined(__ARM_FEATURE_CRC32) || (__ARM_ACLE >= 200)
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# if (defined(__ARM_FEATURE_CRC32) || defined(__ARM_FEATURE_CRYPTO) || (__ARM_ACLE >= 200)) && !defined(__APPLE__)
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# include <arm_acle.h>
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# endif
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#endif // ARM-32 or ARM-64
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@ -237,12 +237,14 @@ inline int GetCacheLineSize()
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#elif (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64)
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extern bool g_ArmDetectionDone;
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extern bool g_hasNEON, g_hasCRC32;
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extern bool g_hasNEON, g_hasCRC32, g_hasCrypto;
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void CRYPTOPP_API DetectArmFeatures();
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//! \brief Determine if an ARM processor has Advanced SIMD available
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//! \returns true if the hardware is capable of Advanced SIMD at runtime, false otherwise.
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//! \details Runtime support requires compile time support.
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//! \details Runtime support requires compile time support. When compiling with GCC, you may
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//! need to compile with <tt>-mfpu=neon</tt> (32-bit) or <tt>-march=armv8-a</tt>
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//! (64-bit). Also see ARM's <tt>__ARM_NEON</tt> preprocessor macro.
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inline bool HasNEON()
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{
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if (!g_ArmDetectionDone)
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@ -253,7 +255,8 @@ inline bool HasNEON()
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//! \brief Determine if an ARM processor has CRC32 available
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//! \returns true if the hardware is capable of CRC32 at runtime, false otherwise.
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//! \details Runtime support requires compile time support. When compiling with GCC, you may
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//! need to compile with <tt>-march=armv8-a+crc</tt>.
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//! need to compile with <tt>-march=armv8-a+crc</tt>. Also see ARM's <tt>__ARM_FEATURE_CRC32</tt>
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//! preprocessor macro.
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inline bool HasCRC32()
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{
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if (!g_ArmDetectionDone)
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@ -261,6 +264,19 @@ inline bool HasCRC32()
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return g_hasCRC32;
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}
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//! \brief Determine if an ARM processor has Crypto available
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//! \returns true if the hardware is capable of Crypto at runtime, false otherwise.
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//! \details Runtime support requires compile time support. When compiling with GCC, you may
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//! need to compile with <tt>-march=armv8-a+crypto</tt>; while Apple requires
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//! <tt>-arch armv7s</tt> or <tt>-arch arm64</tt>. Also see ARM's <tt>__ARM_FEATURE_CRYPTO</tt>
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//! preprocessor macro.
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inline bool HasCrypto()
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{
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if (!g_ArmDetectionDone)
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DetectArmFeatures();
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return g_hasCrypto;
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}
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//! \brief Provides the cache line size at runtime
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//! \returns true if the hardware is capable of CRC32 at runtime, false otherwise.
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//! \details GetCacheLineSize() provides is an estimate using CRYPTOPP_L1_CACHE_LINE_SIZE.
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