1 /* 2 * Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef OPENSSL_HEADER_ARM_ARCH_H 11 #define OPENSSL_HEADER_ARM_ARCH_H 12 13 #include <openssl/target.h> 14 15 // arm_arch.h contains symbols used by ARM assembly, and the C code that calls 16 // it. It is included as a public header to simplify the build, but is not 17 // intended for external use. 18 19 #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) 20 21 // ARMV7_NEON is true when a NEON unit is present in the current CPU. 22 #define ARMV7_NEON (1 << 0) 23 24 // ARMV8_AES indicates support for hardware AES instructions. 25 #define ARMV8_AES (1 << 2) 26 27 // ARMV8_SHA1 indicates support for hardware SHA-1 instructions. 28 #define ARMV8_SHA1 (1 << 3) 29 30 // ARMV8_SHA256 indicates support for hardware SHA-256 instructions. 31 #define ARMV8_SHA256 (1 << 4) 32 33 // ARMV8_PMULL indicates support for carryless multiplication. 34 #define ARMV8_PMULL (1 << 5) 35 36 // ARMV8_SHA512 indicates support for hardware SHA-512 instructions. 37 #define ARMV8_SHA512 (1 << 6) 38 39 #endif // ARM || AARCH64 40 41 #endif // OPENSSL_HEADER_ARM_ARCH_H 42