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crypto/armcap.c: detect ARMv8 capabilities [in 32-bit build].

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This commit is contained in:
Andy Polyakov 2014-05-04 10:55:49 +02:00
parent 16ba70746b
commit 4afa9f033d
3 changed files with 56 additions and 0 deletions
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4
crypto/arm_arch.h
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@ -46,6 +46,10 @@ extern unsigned int OPENSSL_armcap_P;
#define ARMV7_NEON (1<<0)
#define ARMV7_TICK (1<<1)
#define ARMV8_AES (1<<2)
#define ARMV8_SHA1 (1<<3)
#define ARMV8_SHA256 (1<<4)
#define ARMV8_PMULL (1<<5)
#endif
#endif

24
crypto/armcap.c
View File

@ -19,6 +19,10 @@ static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
* ARM compilers support inline assembler...
*/
void _armv7_neon_probe(void);
void _armv8_aes_probe(void);
void _armv8_sha1_probe(void);
void _armv8_sha256_probe(void);
void _armv8_pmull_probe(void);
unsigned int _armv7_tick(void);
unsigned int OPENSSL_rdtsc(void)
@ -68,6 +72,26 @@ void OPENSSL_cpuid_setup(void)
{
_armv7_neon_probe();
OPENSSL_armcap_P |= ARMV7_NEON;
if (sigsetjmp(ill_jmp,1) == 0)
{
_armv8_aes_probe();
OPENSSL_armcap_P |= ARMV8_AES;
}
if (sigsetjmp(ill_jmp,1) == 0)
{
_armv8_sha1_probe();
OPENSSL_armcap_P |= ARMV8_SHA1;
}
if (sigsetjmp(ill_jmp,1) == 0)
{
_armv8_sha256_probe();
OPENSSL_armcap_P |= ARMV8_SHA256;
}
if (sigsetjmp(ill_jmp,1) == 0)
{
_armv8_pmull_probe();
OPENSSL_armcap_P |= ARMV8_PMULL;
}
}
if (sigsetjmp(ill_jmp,1) == 0)
{

28
crypto/armv4cpuid.S
View File

@ -18,6 +18,34 @@ _armv7_tick:
.word 0xe12fff1e @ bx lr
.size _armv7_tick,.-_armv7_tick
.global _armv8_aes_probe
.type _armv8_aes_probe,%function
_armv8_aes_probe:
.word 0xf3b00300 @ aese.8 q0,q0
.word 0xe12fff1e @ bx lr
.size _armv8_aes_probe,.-_armv8_aes_probe
.global _armv8_sha1_probe
.type _armv8_sha1_probe,%function
_armv8_sha1_probe:
.word 0xf2000c40 @ sha1c.32 q0,q0,q0
.word 0xe12fff1e @ bx lr
.size _armv8_sha1_probe,.-_armv8_sha1_probe
.global _armv8_sha256_probe
.type _armv8_sha256_probe,%function
_armv8_sha256_probe:
.word 0xf3000c40 @ sha256h.32 q0,q0,q0
.word 0xe12fff1e @ bx lr
.size _armv8_sha256_probe,.-_armv8_sha256_probe
.global _armv8_pmull_probe
.type _armv8_pmull_probe,%function
_armv8_pmull_probe:
.word 0xf2a00e00 @ vmull.p64 q0,d0,d0
.word 0xe12fff1e @ bx lr
.size _armv8_pmull_probe,.-_armv8_pmull_probe
.align 5
.global OPENSSL_atomic_add
.type OPENSSL_atomic_add,%function
OPENSSL_atomic_add: