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// 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>
#include <openssl/arm_arch.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