1 /* Copyright (c) 2014, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <openssl/cpu.h> 16 17 #if (defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)) && \ 18 !defined(OPENSSL_STATIC_ARMCAP) 19 20 #include <openssl/arm_arch.h> 21 22 23 extern uint32_t OPENSSL_armcap_P; 24 25 char CRYPTO_is_NEON_capable_at_runtime(void) { 26 return (OPENSSL_armcap_P & ARMV7_NEON) != 0; 27 } 28 29 int CRYPTO_is_ARMv8_AES_capable(void) { 30 return (OPENSSL_armcap_P & ARMV8_AES) != 0; 31 } 32 33 int CRYPTO_is_ARMv8_PMULL_capable(void) { 34 return (OPENSSL_armcap_P & ARMV8_PMULL) != 0; 35 } 36 37 #endif /* (defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)) && 38 !defined(OPENSSL_STATIC_ARMCAP) */ 39
