diff options
Diffstat (limited to 'thirdparty/openssl/crypto/ppccap.c')
| -rw-r--r-- | thirdparty/openssl/crypto/ppccap.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/thirdparty/openssl/crypto/ppccap.c b/thirdparty/openssl/crypto/ppccap.c deleted file mode 100644 index 60566b1a5f..0000000000 --- a/thirdparty/openssl/crypto/ppccap.c +++ /dev/null @@ -1,183 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <setjmp.h> -#include <signal.h> -#include <unistd.h> -#if defined(__linux) || defined(_AIX) -# include <sys/utsname.h> -#endif -#if defined(__APPLE__) && defined(__MACH__) -# include <sys/types.h> -# include <sys/sysctl.h> -#endif -#include <openssl/crypto.h> -#include <openssl/bn.h> - -#include "ppc_arch.h" - -unsigned 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_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 1 || (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); -# 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)) { - 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); - - return ret; - } -# 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_int(rp, ap, bp, np, n0, num); -} -#endif - -void sha256_block_p8(void *ctx, const void *inp, size_t len); -void sha256_block_ppc(void *ctx, const void *inp, size_t len); -void sha256_block_data_order(void *ctx, const void *inp, size_t len) -{ - OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha256_block_p8(ctx, inp, len) : - sha256_block_ppc(ctx, inp, len); -} - -void sha512_block_p8(void *ctx, const void *inp, size_t len); -void sha512_block_ppc(void *ctx, const void *inp, size_t len); -void sha512_block_data_order(void *ctx, const void *inp, size_t len) -{ - OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha512_block_p8(ctx, inp, len) : - sha512_block_ppc(ctx, inp, len); -} - -static sigjmp_buf ill_jmp; -static void ill_handler(int sig) -{ - siglongjmp(ill_jmp, sig); -} - -void OPENSSL_ppc64_probe(void); -void OPENSSL_altivec_probe(void); -void OPENSSL_crypto207_probe(void); - -void OPENSSL_cpuid_setup(void) -{ - char *e; - struct sigaction ill_oact, ill_act; - sigset_t oset; - static int trigger = 0; - - if (trigger) - return; - trigger = 1; - - sigfillset(&all_masked); - sigdelset(&all_masked, SIGILL); - sigdelset(&all_masked, SIGTRAP); -#ifdef SIGEMT - sigdelset(&all_masked, SIGEMT); -#endif - sigdelset(&all_masked, SIGFPE); - sigdelset(&all_masked, SIGBUS); - sigdelset(&all_masked, SIGSEGV); - - 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) { - struct utsname uts; -# if defined(_SC_AIX_KERNEL_BITMODE) - if (sysconf(_SC_AIX_KERNEL_BITMODE) != 64) - return; -# endif - if (uname(&uts) != 0 || atoi(uts.version) < 6) - return; - } -#endif - -#if defined(__APPLE__) && defined(__MACH__) - { - int val; - size_t len = sizeof(val); - - if (sysctlbyname("hw.optional.64bitops", &val, &len, NULL, 0) == 0) { - if (val) - OPENSSL_ppccap_P |= PPC_FPU64; - } - - len = sizeof(val); - if (sysctlbyname("hw.optional.altivec", &val, &len, NULL, 0) == 0) { - if (val) - OPENSSL_ppccap_P |= PPC_ALTIVEC; - } - - return; - } -#endif - - memset(&ill_act, 0, sizeof(ill_act)); - ill_act.sa_handler = ill_handler; - ill_act.sa_mask = all_masked; - - sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); - sigaction(SIGILL, &ill_act, &ill_oact); - - if (sizeof(size_t) == 4) { -#ifdef __linux - struct utsname uts; - if (uname(&uts) == 0 && strcmp(uts.machine, "ppc64") == 0) -#endif - if (sigsetjmp(ill_jmp, 1) == 0) { - OPENSSL_ppc64_probe(); - OPENSSL_ppccap_P |= PPC_FPU64; - } - } else { - /* - * Wanted code detecting POWER6 CPU and setting PPC_FPU64 - */ - } - - if (sigsetjmp(ill_jmp, 1) == 0) { - OPENSSL_altivec_probe(); - OPENSSL_ppccap_P |= PPC_ALTIVEC; - if (sigsetjmp(ill_jmp, 1) == 0) { - OPENSSL_crypto207_probe(); - OPENSSL_ppccap_P |= PPC_CRYPTO207; - } - } - - sigaction(SIGILL, &ill_oact, NULL); - sigprocmask(SIG_SETMASK, &oset, NULL); -} |