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Handle MBEDTLS_SHA256_USE_A64_* on Windows on ARM64 too

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Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove 2022-02-21 12:26:11 +00:00
parent f3ebd90a1c
commit b9987fc344
2 changed files with 17 additions and 1 deletions
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3
include/mbedtls/check_config.h
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@ -610,7 +610,8 @@
#endif
#endif
#if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY) && !defined(__aarch64__)
#if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY) && \
!defined(__aarch64__) && !defined(_M_ARM64)
#error "MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY defined on non-Aarch64 system"
#endif

15
library/sha256.c
View file

@ -52,6 +52,11 @@
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) && defined(__linux__)
# include <sys/auxv.h>
# endif
#elif defined(_M_ARM64)
# if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) || \
defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
# include <arm64_neon.h>
# endif
#else
# undef MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY
# undef MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
@ -72,6 +77,16 @@ static int mbedtls_a64_crypto_sha256_check_support( void )
{
return( 1 );
}
#elif defined(_M_ARM64)
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <processthreadsapi.h>
static int mbedtls_a64_crypto_sha256_check_support( void )
{
return( IsProcessorFeaturePresent( PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE ) ?
1 : 0 );
}
#elif defined(__unix__) && defined(SIG_SETMASK)
/* Detection with SIGILL, setjmp() and longjmp() */
#include <signal.h>