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BUILD: Update For IAR support

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Applied the same change as in mbed-crypto for using this as a sub
project with the IAR toolchain. Use __asm generic ,and avoid empty
enum. Avoid declaration of array with null size. This is a porting
of the original patch contributed to trusted-firmware-m.

Signed-off-by: TTornblom <thomas.tornblom@iar.com>
Signed-off-by: Michel Jaouen <michel.jaouen@st.com>
Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
This commit is contained in:
TTornblom
2020-04-16 13:53:38 +02:00
committed by Antonio de Angelis
parent a4c01dd6e9
commit e4f6d79bbe
3 changed files with 10 additions and 3 deletions
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library/constant_time.c
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@ -78,7 +78,7 @@ static inline uint32_t mbedtls_get_unaligned_volatile_uint32(volatile const unsi
*/
uint32_t r;
#if defined(MBEDTLS_CT_ARM_ASM)
asm volatile ("ldr %0, [%1]" : "=r" (r) : "r" (p) :);
__asm volatile ("ldr %0, [%1]" : "=r" (r) : "r" (p) :);
#elif defined(MBEDTLS_CT_AARCH64_ASM)
asm volatile ("ldr %w0, [%1]" : "=r" (r) : MBEDTLS_ASM_AARCH64_PTR_CONSTRAINT(p) :);
#else