Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.9 KiB
55 lines
1.9 KiB
/* Copyright (c) 2018, Google Inc. |
|
* |
|
* 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 "internal.h" |
|
|
|
#if defined(OPENSSL_AARCH64) && defined(OPENSSL_FUCHSIA) && \ |
|
!defined(OPENSSL_STATIC_ARMCAP) |
|
|
|
#include <zircon/features.h> |
|
#include <zircon/syscalls.h> |
|
#include <zircon/types.h> |
|
|
|
#include <openssl/arm_arch.h> |
|
|
|
|
|
void OPENSSL_cpuid_setup(void) { |
|
uint32_t hwcap; |
|
zx_status_t rc = zx_system_get_features(ZX_FEATURE_KIND_CPU, &hwcap); |
|
if (rc != ZX_OK || (hwcap & ZX_ARM64_FEATURE_ISA_ASIMD) == 0) { |
|
// If NEON/ASIMD is missing, don't report other features either. This |
|
// matches OpenSSL, and the other features depend on SIMD registers. |
|
return; |
|
} |
|
|
|
OPENSSL_armcap_P |= ARMV7_NEON; |
|
|
|
if (hwcap & ZX_ARM64_FEATURE_ISA_AES) { |
|
OPENSSL_armcap_P |= ARMV8_AES; |
|
} |
|
if (hwcap & ZX_ARM64_FEATURE_ISA_PMULL) { |
|
OPENSSL_armcap_P |= ARMV8_PMULL; |
|
} |
|
if (hwcap & ZX_ARM64_FEATURE_ISA_SHA1) { |
|
OPENSSL_armcap_P |= ARMV8_SHA1; |
|
} |
|
if (hwcap & ZX_ARM64_FEATURE_ISA_SHA256) { |
|
OPENSSL_armcap_P |= ARMV8_SHA256; |
|
} |
|
if (hwcap & ZX_ARM64_FEATURE_ISA_SHA512) { |
|
OPENSSL_armcap_P |= ARMV8_SHA512; |
|
} |
|
} |
|
|
|
#endif // OPENSSL_AARCH64 && OPENSSL_FUCHSIA && !OPENSSL_STATIC_ARMCAP
|
|
|