diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 10 | ||||
| -rw-r--r-- | src/crypto/sha256.cpp | 46 | ||||
| -rw-r--r-- | src/crypto/sha256_arm_shani.cpp | 22 |
3 files changed, 78 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 41208993e8..b306944f87 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -50,6 +50,10 @@ if ENABLE_X86_SHANI LIBBITCOIN_CRYPTO_X86_SHANI = crypto/libbitcoin_crypto_x86_shani.a LIBBITCOIN_CRYPTO += $(LIBBITCOIN_CRYPTO_X86_SHANI) endif +if ENABLE_ARM_SHANI +LIBBITCOIN_CRYPTO_ARM_SHANI = crypto/libbitcoin_crypto_arm_shani.a +LIBBITCOIN_CRYPTO += $(LIBBITCOIN_CRYPTO_ARM_SHANI) +endif $(LIBSECP256K1): $(wildcard secp256k1/src/*.h) $(wildcard secp256k1/src/*.c) $(wildcard secp256k1/include/*) $(AM_V_at)$(MAKE) $(AM_MAKEFLAGS) -C $(@D) $(@F) @@ -504,6 +508,12 @@ crypto_libbitcoin_crypto_x86_shani_a_CXXFLAGS += $(X86_SHANI_CXXFLAGS) crypto_libbitcoin_crypto_x86_shani_a_CPPFLAGS += -DENABLE_X86_SHANI crypto_libbitcoin_crypto_x86_shani_a_SOURCES = crypto/sha256_x86_shani.cpp +crypto_libbitcoin_crypto_arm_shani_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +crypto_libbitcoin_crypto_arm_shani_a_CPPFLAGS = $(AM_CPPFLAGS) +crypto_libbitcoin_crypto_arm_shani_a_CXXFLAGS += $(ARM_SHANI_CXXFLAGS) +crypto_libbitcoin_crypto_arm_shani_a_CPPFLAGS += -DENABLE_ARM_SHANI +crypto_libbitcoin_crypto_arm_shani_a_SOURCES = crypto/sha256_arm_shani.cpp + # consensus: shared between all executables that validate any consensus rules. libbitcoin_consensus_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) libbitcoin_consensus_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp index 48ee121e2d..7ba86c7ffa 100644 --- a/src/crypto/sha256.cpp +++ b/src/crypto/sha256.cpp @@ -10,6 +10,16 @@ #include <compat/cpuid.h> +#if defined(__linux__) && defined(ENABLE_ARM_SHANI) && !defined(BUILD_BITCOIN_INTERNAL) +#include <sys/auxv.h> +#include <asm/hwcap.h> +#endif + +#if defined(MAC_OSX) && defined(ENABLE_ARM_SHANI) && !defined(BUILD_BITCOIN_INTERNAL) +#include <sys/types.h> +#include <sys/sysctl.h> +#endif + #if defined(__x86_64__) || defined(__amd64__) || defined(__i386__) #if defined(USE_ASM) namespace sha256_sse4 @@ -39,6 +49,11 @@ namespace sha256_x86_shani void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks); } +namespace sha256_arm_shani +{ +void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks); +} + // Internal implementation code. namespace { @@ -623,6 +638,37 @@ std::string SHA256AutoDetect() #endif #endif +#if defined(ENABLE_ARM_SHANI) && !defined(BUILD_BITCOIN_INTERNAL) + bool have_arm_shani = false; + +#if defined(__linux__) +#if defined(__arm__) // 32-bit + if (getauxval(AT_HWCAP2) & HWCAP2_SHA2) { + have_arm_shani = true; + } +#endif +#if defined(__aarch64__) // 64-bit + if (getauxval(AT_HWCAP) & HWCAP_SHA2) { + have_arm_shani = true; + } +#endif +#endif + +#if defined(MAC_OSX) + int val = 0; + size_t len = sizeof(val); + if (sysctlbyname("hw.optional.arm.FEAT_SHA256", &val, &len, nullptr, 0) == 0) { + have_arm_shani = val != 0; + } +#endif + + if (have_arm_shani) { + Transform = sha256_arm_shani::Transform; + TransformD64 = TransformD64Wrapper<sha256_arm_shani::Transform>; + ret = "arm_shani(1way)"; + } +#endif + assert(SelfTest()); return ret; } diff --git a/src/crypto/sha256_arm_shani.cpp b/src/crypto/sha256_arm_shani.cpp new file mode 100644 index 0000000000..92b1d0e299 --- /dev/null +++ b/src/crypto/sha256_arm_shani.cpp @@ -0,0 +1,22 @@ +// Copyright (c) 2022 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. +// +// Based on https://github.com/noloader/SHA-Intrinsics/blob/master/sha256-arm.c, +// Written and placed in public domain by Jeffrey Walton. +// Based on code from ARM, and by Johannes Schneiders, Skip Hovsmith and +// Barry O'Rourke for the mbedTLS project. + +#ifdef ENABLE_ARM_SHANI + +#include <cstdint> +#include <cstddef> + +namespace sha256_arm_shani { +void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks) +{ + +} +} + +#endif |