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aria: check arm arch version for asm

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rev and rev16 are only supported from v6 (all profiles) and up.

arm-none-eabi-gcc picks a lower architecture version by default, which means
before this commit it would fail to build (assembler error) unless you
manually specified -march=armv6-m -mthumb or similar, which broke all.sh.

Source for version-checking macros:
- GCC/Clang: use the -E -dM - </dev/null trick
- armcc5: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0472k/chr1359125007083.html
- armclang 6: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0774g/chr1383660321827.html

Tested with the following script:

 #!/bin/sh

set -eu

ARMCLANG="env ARM_TOOL_VARIANT=ult $ARMC6_BIN_DIR/armclang"

build() {
    echo "$@"
    "$@" -Iinclude -c library/aria.c

}

build arm-none-eabi-gcc
build arm-none-eabi-gcc -march=armv5

build clang --target=arm-none-eabi
build clang --target=arm-none-eabi -march=armv5

build armcc
build armcc --gnu
build armcc --cpu=5T
build armcc --cpu=5T --gnu

build $ARMCLANG --target=arm-arm-none-eabi

check_asm() {
    rm -f aria.o
    build "$@"
    arm-none-eabi-objdump -d aria.o | grep rev16
}

check_asm arm-none-eabi-gcc -march=armv6-m -mthumb
check_asm arm-none-eabi-gcc -march=armv7-m -mthumb
check_asm arm-none-eabi-gcc -march=armv8-m.base -mthumb

check_asm arm-none-eabi-gcc -march=armv7-a -mthumb
check_asm arm-none-eabi-gcc -march=armv8-a -mthumb
check_asm arm-none-eabi-gcc -march=armv7-a -marm
check_asm arm-none-eabi-gcc -march=armv8-a -marm

check_asm clang --target=arm-none-eabi -march=armv6-m
check_asm clang --target=arm-none-eabi -march=armv7-a
check_asm clang --target=arm-none-eabi -march=armv7-m
check_asm clang --target=arm-none-eabi -march=armv7-r
check_asm clang --target=arm-none-eabi -march=armv8-a

check_asm armcc -O0 --cpu=6-M
check_asm armcc -O0 --cpu=7-M
check_asm armcc -O0 --cpu=6
check_asm armcc -O0 --cpu=7-A

check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv6-m
check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv7-a
check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv7-m
check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv7-r
check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv8-a
check_asm $ARMCLANG --target=arm-arm-none-eabi -march=armv8-m.base
This commit is contained in:
Manuel Pégourié-Gonnard 2018-03-01 10:37:47 +01:00
parent 8abc349881
commit 2078725feb
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
library/aria.c
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@ -90,10 +90,11 @@ static void mbedtls_zeroize( void *v, size_t n ) {
* so let's provide asm versions for common platforms with C fallback. * so let's provide asm versions for common platforms with C fallback.
*/ */
#if defined(MBEDTLS_HAVE_ASM) #if defined(MBEDTLS_HAVE_ASM)
#if defined(__arm__) #if defined(__arm__) /* rev16 available from v6 up */
/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */ /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
#if defined(__GNUC__) && \ #if defined(__GNUC__) && \
( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) && \
__ARM_ARCH >= 6
static inline uint32_t aria_p1( uint32_t x ) static inline uint32_t aria_p1( uint32_t x )
{ {
uint32_t r; uint32_t r;
@ -101,7 +102,8 @@ static inline uint32_t aria_p1( uint32_t x )
return( r ); return( r );
} }
#define ARIA_P1 aria_p1 #define ARIA_P1 aria_p1
#elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 #elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 && \
( __TARGET_ARCH_ARM >= 6 || __TARGET_ARCH_THUMB >= 3 )
static inline uint32_t aria_p1( uint32_t x ) static inline uint32_t aria_p1( uint32_t x )
{ {
uint32_t r; uint32_t r;
@ -139,10 +141,11 @@ static inline uint32_t aria_p1( uint32_t x )
* so let's provide asm versions for common platforms with C fallback. * so let's provide asm versions for common platforms with C fallback.
*/ */
#if defined(MBEDTLS_HAVE_ASM) #if defined(MBEDTLS_HAVE_ASM)
#if defined(__arm__) #if defined(__arm__) /* rev available from v6 up */
/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */ /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
#if defined(__GNUC__) && \ #if defined(__GNUC__) && \
( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) && \
__ARM_ARCH >= 6
static inline uint32_t aria_p3( uint32_t x ) static inline uint32_t aria_p3( uint32_t x )
{ {
uint32_t r; uint32_t r;
@ -150,7 +153,8 @@ static inline uint32_t aria_p3( uint32_t x )
return( r ); return( r );
} }
#define ARIA_P3 aria_p3 #define ARIA_P3 aria_p3
#elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 #elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 && \
( __TARGET_ARCH_ARM >= 6 || __TARGET_ARCH_THUMB >= 3 )
static inline uint32_t aria_p3( uint32_t x ) static inline uint32_t aria_p3( uint32_t x )
{ {
uint32_t r; uint32_t r;