diff options
Diffstat (limited to 'app/openssl/crypto/armcap.c')
-rw-r--r-- | app/openssl/crypto/armcap.c | 85 |
1 files changed, 4 insertions, 81 deletions
diff --git a/app/openssl/crypto/armcap.c b/app/openssl/crypto/armcap.c index 7e46d07a..9abaf396 100644 --- a/app/openssl/crypto/armcap.c +++ b/app/openssl/crypto/armcap.c @@ -19,13 +19,9 @@ 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 long _armv7_tick(void); +unsigned int _armv7_tick(void); -unsigned long OPENSSL_rdtsc(void) +unsigned int OPENSSL_rdtsc(void) { if (OPENSSL_armcap_P & ARMV7_TICK) return _armv7_tick(); @@ -33,41 +29,9 @@ unsigned long OPENSSL_rdtsc(void) return 0; } -/* - * Use a weak reference to getauxval() so we can use it if it is available but - * don't break the build if it is not. - */ #if defined(__GNUC__) && __GNUC__>=2 void OPENSSL_cpuid_setup(void) __attribute__((constructor)); -extern unsigned long getauxval(unsigned long type) __attribute__((weak)); -#else -static unsigned long (*getauxval)(unsigned long) = NULL; #endif - -/* - * ARM puts the the feature bits for Crypto Extensions in AT_HWCAP2, whereas - * AArch64 used AT_HWCAP. - */ -#if defined(__arm__) || defined (__arm) -# define HWCAP 16 /* AT_HWCAP */ -# define HWCAP_NEON (1 << 12) - -# define HWCAP_CE 26 /* AT_HWCAP2 */ -# define HWCAP_CE_AES (1 << 0) -# define HWCAP_CE_PMULL (1 << 1) -# define HWCAP_CE_SHA1 (1 << 2) -# define HWCAP_CE_SHA256 (1 << 3) -#elif defined(__aarch64__) -# define HWCAP 16 /* AT_HWCAP */ -# define HWCAP_NEON (1 << 1) - -# define HWCAP_CE HWCAP -# define HWCAP_CE_AES (1 << 3) -# define HWCAP_CE_PMULL (1 << 4) -# define HWCAP_CE_SHA1 (1 << 5) -# define HWCAP_CE_SHA256 (1 << 6) -#endif - void OPENSSL_cpuid_setup(void) { char *e; @@ -80,7 +44,7 @@ void OPENSSL_cpuid_setup(void) if ((e=getenv("OPENSSL_armcap"))) { - OPENSSL_armcap_P=(unsigned int)strtoul(e,NULL,0); + OPENSSL_armcap_P=strtoul(e,NULL,0); return; } @@ -100,51 +64,10 @@ void OPENSSL_cpuid_setup(void) sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset); sigaction(SIGILL,&ill_act,&ill_oact); - if (getauxval != NULL) - { - if (getauxval(HWCAP) & HWCAP_NEON) - { - unsigned long hwcap = getauxval(HWCAP_CE); - - OPENSSL_armcap_P |= ARMV7_NEON; - - if (hwcap & HWCAP_CE_AES) - OPENSSL_armcap_P |= ARMV8_AES; - - if (hwcap & HWCAP_CE_PMULL) - OPENSSL_armcap_P |= ARMV8_PMULL; - - if (hwcap & HWCAP_CE_SHA1) - OPENSSL_armcap_P |= ARMV8_SHA1; - - if (hwcap & HWCAP_CE_SHA256) - OPENSSL_armcap_P |= ARMV8_SHA256; - } - } - else if (sigsetjmp(ill_jmp,1) == 0) + if (sigsetjmp(ill_jmp,1) == 0) { _armv7_neon_probe(); OPENSSL_armcap_P |= ARMV7_NEON; - if (sigsetjmp(ill_jmp,1) == 0) - { - _armv8_pmull_probe(); - OPENSSL_armcap_P |= ARMV8_PMULL|ARMV8_AES; - } - else 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) { |