diff options
Diffstat (limited to 'meta-networking/recipes-connectivity/mbedtls/mbedtls/0001-AES-NI-use-target-attributes-for-x86-32-bit-intrinsi.patch')
| -rw-r--r-- | meta-networking/recipes-connectivity/mbedtls/mbedtls/0001-AES-NI-use-target-attributes-for-x86-32-bit-intrinsi.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/meta-networking/recipes-connectivity/mbedtls/mbedtls/0001-AES-NI-use-target-attributes-for-x86-32-bit-intrinsi.patch b/meta-networking/recipes-connectivity/mbedtls/mbedtls/0001-AES-NI-use-target-attributes-for-x86-32-bit-intrinsi.patch new file mode 100644 index 0000000000..5030fb99f9 --- /dev/null +++ b/meta-networking/recipes-connectivity/mbedtls/mbedtls/0001-AES-NI-use-target-attributes-for-x86-32-bit-intrinsi.patch @@ -0,0 +1,87 @@ +From 80d3e73ad0648f558a067a9dbfe3bc80e6b614f8 Mon Sep 17 00:00:00 2001 +From: Beniamin Sandu <beniaminsandu@gmail.com> +Date: Mon, 30 Oct 2023 19:15:56 +0000 +Subject: [PATCH] AES-NI: use target attributes for x86 32-bit intrinsics + +This way we build with 32-bit gcc/clang out of the box. +We also fallback to assembly for 64-bit clang-cl if needed cpu +flags are not provided, instead of throwing an error. + +Upstream-Status: Backport [https://github.com/Mbed-TLS/mbedtls/commit/800f2b7c020678a84abfa9688962b91c36e6693d] + +Signed-off-by: Beniamin Sandu <beniaminsandu@gmail.com> +--- + library/aesni.c | 20 ++++++++++++++++++++ + library/aesni.h | 8 +++++--- + 2 files changed, 25 insertions(+), 3 deletions(-) + +diff --git a/library/aesni.c b/library/aesni.c +index 5f25a8249..481fa3822 100644 +--- a/library/aesni.c ++++ b/library/aesni.c +@@ -41,6 +41,17 @@ + #include <immintrin.h> + #endif + ++#if defined(MBEDTLS_ARCH_IS_X86) ++#if defined(MBEDTLS_COMPILER_IS_GCC) ++#pragma GCC push_options ++#pragma GCC target ("pclmul,sse2,aes") ++#define MBEDTLS_POP_TARGET_PRAGMA ++#elif defined(__clang__) ++#pragma clang attribute push (__attribute__((target("pclmul,sse2,aes"))), apply_to=function) ++#define MBEDTLS_POP_TARGET_PRAGMA ++#endif ++#endif ++ + #if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) + /* + * AES-NI support detection routine +@@ -396,6 +407,15 @@ static void aesni_setkey_enc_256(unsigned char *rk_bytes, + } + #endif /* !MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH */ + ++#if defined(MBEDTLS_POP_TARGET_PRAGMA) ++#if defined(__clang__) ++#pragma clang attribute pop ++#elif defined(__GNUC__) ++#pragma GCC pop_options ++#endif ++#undef MBEDTLS_POP_TARGET_PRAGMA ++#endif ++ + #else /* MBEDTLS_AESNI_HAVE_CODE == 1 */ + + #if defined(__has_feature) +diff --git a/library/aesni.h b/library/aesni.h +index ba1429029..37ae02c82 100644 +--- a/library/aesni.h ++++ b/library/aesni.h +@@ -50,6 +50,10 @@ + #if defined(__GNUC__) && defined(__AES__) && defined(__PCLMUL__) + #define MBEDTLS_AESNI_HAVE_INTRINSICS + #endif ++/* For 32-bit, we only support intrinsics */ ++#if defined(MBEDTLS_ARCH_IS_X86) && (defined(__GNUC__) || defined(__clang__)) ++#define MBEDTLS_AESNI_HAVE_INTRINSICS ++#endif + + /* Choose the implementation of AESNI, if one is available. + * +@@ -60,13 +64,11 @@ + #if defined(MBEDTLS_AESNI_HAVE_INTRINSICS) + #define MBEDTLS_AESNI_HAVE_CODE 2 // via intrinsics + #elif defined(MBEDTLS_HAVE_ASM) && \ +- defined(__GNUC__) && defined(MBEDTLS_ARCH_IS_X64) ++ (defined(__GNUC__) || defined(__clang__)) && defined(MBEDTLS_ARCH_IS_X64) + /* Can we do AESNI with inline assembly? + * (Only implemented with gas syntax, only for 64-bit.) + */ + #define MBEDTLS_AESNI_HAVE_CODE 1 // via assembly +-#elif defined(__GNUC__) +-# error "Must use `-mpclmul -msse2 -maes` for MBEDTLS_AESNI_C" + #else + #error "MBEDTLS_AESNI_C defined, but neither intrinsics nor assembly available" + #endif +-- +2.34.1 |