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")) != NULL)
{
OPENSSL_ppccap_P=strtoul(e,NULL,0);
return;
}
OPENSSL_ppccap_P = 0;
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)
{
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)
{
void OPENSSL_altivec_probe();
OPENSSL_altivec_probe();
OPENSSL_ppccap_P |= PPC_ALTIVEC;
}
sigaction (SIGILL,&ill_oact,NULL);
sigprocmask(SIG_SETMASK,&oset,NULL);
}
void OPENSSL_cpuid_setup(void)
{
char *e;
sigfillset(&all_masked);
sigdelset(&all_masked,SIGILL);
sigdelset(&all_masked,SIGTRAP);
sigdelset(&all_masked,SIGEMT);
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;
}
if (sizeof(size_t)==4)
{
struct sigaction ill_oact,ill_act;
sigset_t oset;
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 (sigsetjmp(ill_jmp,0) == 0)
{
OPENSSL_ppc64_probe();
OPENSSL_ppccap_P |= PPC_FPU64;
}
else
{
OPENSSL_ppccap_P &= ~PPC_FPU64;
}
sigaction (SIGILL,&ill_oact,NULL);
sigprocmask(SIG_SETMASK,&oset,NULL);
}
}
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
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);
}
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;
if ((e = getenv("OPENSSL_ppccap"))) {
OPENSSL_ppccap_P = strtoul(e, NULL, 0);
return;
}
OPENSSL_ppccap_P = 0;
#if defined(_AIX)
OPENSSL_ppccap_P |= PPC_FPU;
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;
}
# if defined(__power_set)
/*
* Value used in __power_set is a single-bit 1<<n one denoting
* specific processor class. Incidentally 0xffffffff<<n can be
* used to denote specific processor and its successors.
*/
if (sizeof(size_t) == 4) {
/* In 32-bit case PPC_FPU64 is always fastest [if option] */
if (__power_set(0xffffffffU<<13)) /* POWER5 and later */
OPENSSL_ppccap_P |= PPC_FPU64;
} else {
/* In 64-bit case PPC_FPU64 is fastest only on POWER6 */
if (__power_set(0x1U<<14)) /* POWER6 */
OPENSSL_ppccap_P |= PPC_FPU64;
}
if (__power_set(0xffffffffU<<14)) /* POWER6 and later */
OPENSSL_ppccap_P |= PPC_ALTIVEC;
if (__power_set(0xffffffffU<<16)) /* POWER8 and later */
OPENSSL_ppccap_P |= PPC_CRYPTO207;
if (__power_set(0xffffffffU<<17)) /* POWER9 and later */
OPENSSL_ppccap_P |= PPC_MADD300;
return;
# endif
#endif
#if defined(__APPLE__) && defined(__MACH__)
OPENSSL_ppccap_P |= PPC_FPU;
{
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
#ifdef OSSL_IMPLEMENT_GETAUXVAL
{
unsigned long hwcap = getauxval(HWCAP);
unsigned long hwcap2 = getauxval(HWCAP2);
if (hwcap & HWCAP_FPU) {
OPENSSL_ppccap_P |= PPC_FPU;
if (sizeof(size_t) == 4) {
/* In 32-bit case PPC_FPU64 is always fastest [if option] */
if (hwcap & HWCAP_PPC64)
OPENSSL_ppccap_P |= PPC_FPU64;
} else {
/* In 64-bit case PPC_FPU64 is fastest only on POWER6 */
if (hwcap & HWCAP_POWER6_EXT)
OPENSSL_ppccap_P |= PPC_FPU64;
}
}
if (hwcap & HWCAP_ALTIVEC) {
OPENSSL_ppccap_P |= PPC_ALTIVEC;
if ((hwcap & HWCAP_VSX) && (hwcap2 & HWCAP_VEC_CRYPTO))
OPENSSL_ppccap_P |= PPC_CRYPTO207;
}
if (hwcap2 & HWCAP_ARCH_3_00) {
OPENSSL_ppccap_P |= PPC_MADD300;
}
}
#endif
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);
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);
#ifndef OSSL_IMPLEMENT_GETAUXVAL
if (sigsetjmp(ill_jmp,1) == 0) {
OPENSSL_fpu_probe();
OPENSSL_ppccap_P |= PPC_FPU;
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;
}
}
if (sigsetjmp(ill_jmp, 1) == 0) {
OPENSSL_madd300_probe();
OPENSSL_ppccap_P |= PPC_MADD300;
}
#endif
if (sigsetjmp(ill_jmp, 1) == 0) {
OPENSSL_rdtsc_mftb();
OPENSSL_ppccap_P |= PPC_MFTB;
} else if (sigsetjmp(ill_jmp, 1) == 0) {
OPENSSL_rdtsc_mfspr268();
OPENSSL_ppccap_P |= PPC_MFSPR268;
}
sigaction(SIGILL, &ill_oact, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);
}
