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mbedtls: add ARMv8 Crypto Extensions AES and SSE2 on x86

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This commit is contained in:
lean 2021-06-17 15:37:02 +08:00
parent 58973c3e8c
commit 53f353337b
1 changed files with 35 additions and 0 deletions
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35
package/libs/mbedtls/Makefile
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@ -23,6 +23,8 @@ PKG_CPE_ID:=cpe:/a:arm:mbed_tls
PKG_CONFIG_DEPENDS := \
CONFIG_LIBMBEDTLS_DEBUG_C \
CONFIG_LIBMBEDTLS_HAVE_ARMV8CE_AES \
CONFIG_LIBMBEDTLS_HAVE_SSE2 \
CONFIG_LIBMBEDTLS_HKDF_C
include $(INCLUDE_DIR)/package.mk
@ -60,6 +62,34 @@ config LIBMBEDTLS_DEBUG_C
Usually, you don't need this, so don't select this if you're unsure.
config LIBMBEDTLS_HAVE_ARMV8CE_AES
depends on PACKAGE_libmbedtls
bool
default y
prompt "Enable use of the ARMv8 Crypto Extensions"
depends on aarch64 && !TARGET_bcm27xx && !TARGET_bcm4908
help
Use of the ARMv8 Crypto Extensions greatly increase performance
(up to 4x faster on AES-GCM while 10x faster on raw AES).
Related instructions should be included in all modern Aarch64
devices, except some wastes like Broadcom.
If you don't sure, say Y here.
config LIBMBEDTLS_HAVE_SSE2
depends on PACKAGE_libmbedtls
bool
default y if !TARGET_x86_legacy && !TARGET_x86_geode
prompt "Enable use of x86 SSE2 instructions"
depends on x86_64 || i386
help
Use of SSE2 instructions greatly increase performance (up to
3x faster) with a minimum (~0.2%, or 23KB) increase in package
size, but it will bring no benefit if your hardware does not
support them, such as Geode GX and LX. In this case you may
save 23KB by saying yes here. AMD Geode NX, and Intel
Pentium 4 and above support SSE2.
config LIBMBEDTLS_HKDF_C
depends on PACKAGE_libmbedtls
bool "Enable the HKDF algorithm (RFC 5869)"
@ -92,6 +122,9 @@ PKG_INSTALL:=1
TARGET_CFLAGS += -ffunction-sections -fdata-sections
TARGET_CFLAGS := $(filter-out -O%,$(TARGET_CFLAGS))
ifneq ($(CONFIG_LIBMBEDTLS_HAVE_ARMV8CE_AES),)
TARGET_CFLAGS := $(filter-out -march=%,$(TARGET_CFLAGS)) -march=armv8-a+crypto
endif
CMAKE_OPTIONS += \
-DUSE_SHARED_MBEDTLS_LIBRARY:Bool=ON \
@ -103,6 +136,8 @@ define Build/Configure
awk 'BEGIN { rc = 1 } \
/#define MBEDTLS_DEBUG_C/ { $$$$0 = "$(if $(CONFIG_LIBMBEDTLS_DEBUG_C),,// )#define MBEDTLS_DEBUG_C"; rc = 0 } \
/#define MBEDTLS_ARMV8CE_AES_C/ { $$$$0 = "$(if $(CONFIG_LIBMBEDTLS_HAVE_ARMV8CE_AES),,// )#define MBEDTLS_ARMV8CE_AES_C"; rc = 0 } \
/#define MBEDTLS_HAVE_SSE2/ { $$$$0 = "$(if $(CONFIG_LIBMBEDTLS_HAVE_SSE2),,// )#define MBEDTLS_HAVE_SSE2"; rc = 0 } \
{ print } \
END { exit(rc) }' $(PKG_BUILD_DIR)/include/mbedtls/config.h \
>$(PKG_BUILD_DIR)/include/mbedtls/config.h.new && \