diff options
Diffstat (limited to 'lib/libssl/src/crypto/ppccap.c')
| -rw-r--r-- | lib/libssl/src/crypto/ppccap.c | 112 |
1 files changed, 55 insertions, 57 deletions
diff --git a/lib/libssl/src/crypto/ppccap.c b/lib/libssl/src/crypto/ppccap.c index f71ba66aa38..16cc9c445e5 100644 --- a/lib/libssl/src/crypto/ppccap.c +++ b/lib/libssl/src/crypto/ppccap.c @@ -15,112 +15,110 @@ static int OPENSSL_ppccap_P = 0; static sigset_t all_masked; #ifdef OPENSSL_BN_ASM_MONT -int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np, const BN_ULONG *n0, int num) - { +int +bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, + const BN_ULONG *np, const BN_ULONG *n0, int num) +{ int bn_mul_mont_fpu64(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np, const BN_ULONG *n0, int num); int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np, const BN_ULONG *n0, int num); - if (sizeof(size_t)==4) - { + if (sizeof(size_t) == 4) { #if (defined(__APPLE__) && defined(__MACH__)) - if (num>=8 && (num&3)==0 && (OPENSSL_ppccap_P&PPC_FPU64)) - return bn_mul_mont_fpu64(rp,ap,bp,np,n0,num); + if (num >= 8 && (num&3) == 0 && (OPENSSL_ppccap_P&PPC_FPU64)) + return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num); #else /* boundary of 32 was experimentally determined on Linux 2.6.22, might have to be adjusted on AIX... */ - if (num>=32 && (num&3)==0 && (OPENSSL_ppccap_P&PPC_FPU64)) - { + if (num >= 32 && (num&3) == 0 && (OPENSSL_ppccap_P&PPC_FPU64)) { sigset_t oset; int ret; - sigprocmask(SIG_SETMASK,&all_masked,&oset); - ret=bn_mul_mont_fpu64(rp,ap,bp,np,n0,num); - sigprocmask(SIG_SETMASK,&oset,NULL); + sigprocmask(SIG_SETMASK, &all_masked, &oset); + ret = bn_mul_mont_fpu64(rp, ap, bp, np, n0, num); + sigprocmask(SIG_SETMASK, &oset, NULL); return ret; - } -#endif } - else if ((OPENSSL_ppccap_P&PPC_FPU64)) +#endif + } else if ((OPENSSL_ppccap_P&PPC_FPU64)) /* this is a "must" on POWER6, but run-time detection * is not implemented yet... */ - return bn_mul_mont_fpu64(rp,ap,bp,np,n0,num); + return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num); - return bn_mul_mont_int(rp,ap,bp,np,n0,num); - } + return bn_mul_mont_int(rp, ap, bp, np, n0, num); +} #endif static sigjmp_buf ill_jmp; -static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); } +static void ill_handler (int sig) +{ + siglongjmp(ill_jmp, sig); +} void OPENSSL_ppc64_probe(void); void OPENSSL_altivec_probe(void); -void OPENSSL_cpuid_setup(void) - { +void +OPENSSL_cpuid_setup(void) +{ char *e; - struct sigaction ill_oact,ill_act; + struct sigaction ill_oact, ill_act; sigset_t oset; - static int trigger=0; + static int trigger = 0; + + if (trigger) + return; + trigger = 1; - if (trigger) return; - trigger=1; - sigfillset(&all_masked); - sigdelset(&all_masked,SIGILL); - sigdelset(&all_masked,SIGTRAP); + sigdelset(&all_masked, SIGILL); + sigdelset(&all_masked, SIGTRAP); #ifdef SIGEMT - sigdelset(&all_masked,SIGEMT); + sigdelset(&all_masked, SIGEMT); #endif - sigdelset(&all_masked,SIGFPE); - sigdelset(&all_masked,SIGBUS); - sigdelset(&all_masked,SIGSEGV); + sigdelset(&all_masked, SIGFPE); + sigdelset(&all_masked, SIGBUS); + sigdelset(&all_masked, SIGSEGV); - if ((e=getenv("OPENSSL_ppccap"))) - { - OPENSSL_ppccap_P=strtoul(e,NULL,0); + if ((e = getenv("OPENSSL_ppccap"))) { + OPENSSL_ppccap_P = strtoul(e, NULL, 0); return; - } + } OPENSSL_ppccap_P = 0; #if defined(_AIX) - if (sizeof(size_t)==4 + if (sizeof(size_t) == 4 # if defined(_SC_AIX_KERNEL_BITMODE) - && sysconf(_SC_AIX_KERNEL_BITMODE)!=64 + && sysconf(_SC_AIX_KERNEL_BITMODE) != 64 # endif - ) - return; + ) + return; #endif - memset(&ill_act,0,sizeof(ill_act)); + memset(&ill_act, 0, sizeof(ill_act)); ill_act.sa_handler = ill_handler; - ill_act.sa_mask = all_masked; + ill_act.sa_mask = all_masked; - sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset); - sigaction(SIGILL,&ill_act,&ill_oact); + sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); + sigaction(SIGILL, &ill_act, &ill_oact); - if (sizeof(size_t)==4) - { - if (sigsetjmp(ill_jmp,1) == 0) - { + if (sizeof(size_t) == 4) { + if (sigsetjmp(ill_jmp, 1) == 0) { OPENSSL_ppc64_probe(); OPENSSL_ppccap_P |= PPC_FPU64; - } } - else - { + } else { /* * Wanted code detecting POWER6 CPU and setting PPC_FPU64 */ - } + } - if (sigsetjmp(ill_jmp,1) == 0) - { + if (sigsetjmp(ill_jmp, 1) == 0) { OPENSSL_altivec_probe(); OPENSSL_ppccap_P |= PPC_ALTIVEC; - } - - sigaction (SIGILL,&ill_oact,NULL); - sigprocmask(SIG_SETMASK,&oset,NULL); } + + sigaction (SIGILL, &ill_oact, NULL); + sigprocmask(SIG_SETMASK, &oset, NULL); +} |