original files of m241
This commit is contained in:
neelimap
@@ -0,0 +1,241 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if 0
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#include <setjmp.h>
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#endif
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# include <signal.h>
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#include <unistd.h>
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#if defined(__linux) || defined(_AIX)
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# include <sys/utsname.h>
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#endif
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#if defined(__APPLE__) && defined(__MACH__)
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# include <sys/types.h>
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# include <sys/sysctl.h>
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#endif
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#include <openssl/crypto.h>
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#include <openssl/bn.h>
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#include "ppc_arch.h"
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int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
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const BN_ULONG *np, const BN_ULONG *n0, int num);
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void sha256_block_data_order(void *ctx, const void *inp, size_t len);
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void sha512_block_data_order(void *ctx, const void *inp, size_t len);
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void OPENSSL_cpuid_setup(void);
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unsigned int OPENSSL_ppccap_P = 0;
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static sigset_t all_masked;
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typedef struct _sigjmp_buf
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{
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int regs;
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int excCnt;
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long long extra[3];
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} sigjmp_buf[1];
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/* function declarations */
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extern int sigsetjmp (sigjmp_buf __env, int __savemask);
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extern void longjmp(sigjmp_buf, int);
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#ifdef OPENSSL_BN_ASM_MONT
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int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
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const BN_ULONG *np, const BN_ULONG *n0, int num)
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{
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# if defined(_WRS_CONFIG_LP64)
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int bn_mul_mont_fpu64(BN_ULONG *rp, const BN_ULONG *ap,
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const BN_ULONG *bp, const BN_ULONG *np,
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const BN_ULONG *n0, int num);
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#endif
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int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
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const BN_ULONG *np, const BN_ULONG *n0, int num);
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if (sizeof(size_t) == 4) {
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# if 1 || (defined(__APPLE__) && defined(__MACH__))
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if (num >= 8 && (num & 3) == 0 && (OPENSSL_ppccap_P & PPC_FPU64))
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{
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# if defined(_WRS_CONFIG_LP64)
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return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
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#endif
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}
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# else
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/*
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* boundary of 32 was experimentally determined on Linux 2.6.22,
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* might have to be adjusted on AIX...
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*/
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if (num >= 32 && (num & 3) == 0 && (OPENSSL_ppccap_P & PPC_FPU64)) {
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sigset_t oset;
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int ret;
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sigprocmask(SIG_SETMASK, &all_masked, &oset);
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# if defined(_WRS_CONFIG_LP64)
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ret = bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
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#endif
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sigprocmask(SIG_SETMASK, &oset, NULL);
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return ret;
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}
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# endif
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}
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else if ((OPENSSL_ppccap_P & PPC_FPU64))
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{
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/*
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* this is a "must" on POWER6, but run-time detection is not
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* implemented yet...
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*/
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# if defined(_WRS_CONFIG_LP64)
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return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
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#endif
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}
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return bn_mul_mont_int(rp, ap, bp, np, n0, num);
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}
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#endif
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#ifdef SHA256_ASM
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void sha256_block_p8(void *ctx, const void *inp, size_t len);
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void sha256_block_ppc(void *ctx, const void *inp, size_t len);
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void sha256_block_data_order(void *ctx, const void *inp, size_t len)
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{
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OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha256_block_p8(ctx, inp, len) :
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sha256_block_ppc(ctx, inp, len);
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}
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#endif
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#ifdef SHA512_ASM
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void sha512_block_p8(void *ctx, const void *inp, size_t len);
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void sha512_block_ppc(void *ctx, const void *inp, size_t len);
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void sha512_block_data_order(void *ctx, const void *inp, size_t len)
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{
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OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha512_block_p8(ctx, inp, len) :
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sha512_block_ppc(ctx, inp, len);
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}
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#endif
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#if defined(__VXWORKS__) /*vxworks does not support power8 platform*/
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#ifdef SHA256_ASM
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void sha256_block_p8(void *ctx, const void *inp, size_t len)
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{
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;
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}
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#endif
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#ifdef SHA512_ASM
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void sha512_block_p8(void *ctx, const void *inp, size_t len)
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{
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;
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}
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#endif
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#endif
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static sigjmp_buf ill_jmp;
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static void ill_handler(int sig)
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{
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/*siglongjmp(ill_jmp, sig);*/
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longjmp(ill_jmp, sig);
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}
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# if defined(_WRS_CONFIG_LP64)
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void OPENSSL_ppc64_probe(void);
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#endif
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void OPENSSL_altivec_probe(void);
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void OPENSSL_crypto207_probe(void);
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void OPENSSL_cpuid_setup(void)
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{
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char *e;
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struct sigaction ill_oact, ill_act;
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sigset_t oset;
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static int trigger = 0;
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if (trigger)
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return;
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trigger = 1;
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sigfillset(&all_masked);
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sigdelset(&all_masked, SIGILL);
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sigdelset(&all_masked, SIGTRAP);
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#ifdef SIGEMT
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sigdelset(&all_masked, SIGEMT);
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#endif
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sigdelset(&all_masked, SIGFPE);
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sigdelset(&all_masked, SIGBUS);
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sigdelset(&all_masked, SIGSEGV);
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if ((e = getenv("OPENSSL_ppccap"))) {
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OPENSSL_ppccap_P = strtoul(e, NULL, 0);
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return;
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}
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OPENSSL_ppccap_P = 0;
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#if defined(_AIX)
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if (sizeof(size_t) == 4) {
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struct utsname uts;
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# if defined(_SC_AIX_KERNEL_BITMODE)
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if (sysconf(_SC_AIX_KERNEL_BITMODE) != 64)
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return;
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# endif
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if (uname(&uts) != 0 || atoi(uts.version) < 6)
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return;
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}
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#endif
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#if defined(__APPLE__) && defined(__MACH__)
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{
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int val;
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size_t len = sizeof(val);
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if (sysctlbyname("hw.optional.64bitops", &val, &len, NULL, 0) == 0) {
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if (val)
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OPENSSL_ppccap_P |= PPC_FPU64;
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}
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len = sizeof(val);
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if (sysctlbyname("hw.optional.altivec", &val, &len, NULL, 0) == 0) {
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if (val)
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OPENSSL_ppccap_P |= PPC_ALTIVEC;
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}
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return;
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}
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#endif
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memset(&ill_act, 0, sizeof(ill_act));
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ill_act.sa_handler = ill_handler;
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ill_act.sa_mask = all_masked;
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sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
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sigaction(SIGILL, &ill_act, &ill_oact);
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if (sizeof(size_t) == 4) {
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#ifdef __linux
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struct utsname uts;
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if (uname(&uts) == 0 && strcmp(uts.machine, "ppc64") == 0)
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#endif
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if (sigsetjmp(ill_jmp, 1) == 0) {
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# if defined(_WRS_CONFIG_LP64)
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OPENSSL_ppc64_probe();
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OPENSSL_ppccap_P |= PPC_FPU64;
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#endif
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}
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} else {
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/*
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* Wanted code detecting POWER6 CPU and setting PPC_FPU64
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*/
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}
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if (sigsetjmp(ill_jmp, 1) == 0) {
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# if !defined(__VXWORKS__)
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OPENSSL_altivec_probe();
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OPENSSL_ppccap_P |= PPC_ALTIVEC;
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if (sigsetjmp(ill_jmp, 1) == 0) {
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OPENSSL_crypto207_probe();
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OPENSSL_ppccap_P |= PPC_CRYPTO207;
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}
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#endif
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}
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sigaction(SIGILL, &ill_oact, NULL);
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sigprocmask(SIG_SETMASK, &oset, NULL);
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}
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