/* Copyright (c) 2018, Google Inc. * Copyright (c) 2020, Arm Ltd. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <openssl_grpc/cpu.h> #if defined(OPENSSL_AARCH64) && defined(OPENSSL_WINDOWS) && \ !defined(OPENSSL_STATIC_ARMCAP) #include <windows.h> #include <openssl_grpc/arm_arch.h> #include "internal.h" extern uint32_t OPENSSL_armcap_P; void OPENSSL_cpuid_setup(void) { // We do not need to check for the presence of NEON, as Armv8-A always has it OPENSSL_armcap_P |= ARMV7_NEON; if (IsProcessorFeaturePresent(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE)) { // These are all covered by one call in Windows OPENSSL_armcap_P |= ARMV8_AES; OPENSSL_armcap_P |= ARMV8_PMULL; OPENSSL_armcap_P |= ARMV8_SHA1; OPENSSL_armcap_P |= ARMV8_SHA256; } } #endif