| // Copyright 2018 The BoringSSL Authors |
| // Copyright (c) 2020, Arm Ltd. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "internal.h" |
| |
| #if defined(OPENSSL_AARCH64) && defined(OPENSSL_WINDOWS) && \ |
| !defined(OPENSSL_STATIC_ARMCAP) && !defined(OPENSSL_NO_ASM) |
| |
| #include <windows.h> |
| |
| |
| 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; |
| } |
| // As of writing, Windows does not have a |PF_*| value for ARMv8.2 SHA-512 |
| // extensions. When it does, add it here. |
| } |
| |
| #endif // OPENSSL_AARCH64 && OPENSSL_WINDOWS && !OPENSSL_STATIC_ARMCAP |
