#include <setjmp.h>
#include <signal.h>
#include <sys/time.h>
+#include <unistd.h>
#include <openssl/bn.h>
-#define SPARCV9_TICK_PRIVILEGED (1<<0)
-#define SPARCV9_PREFER_FPU (1<<1)
-#define SPARCV9_VIS1 (1<<2)
-#define SPARCV9_VIS2 (1<<3) /* reserved */
-#define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
-#define SPARCV9_BLK (1<<5) /* VIS1 block copy */
+#include "sparc_arch.h"
-static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
+#if defined(__GNUC__) && defined(__linux)
+__attribute__((visibility("hidden")))
+#endif
+unsigned int OPENSSL_sparcv9cap_P[2]={SPARCV9_TICK_PRIVILEGED,0};
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_vis3(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_fpu(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 (num>=8 && !(num&1) &&
- (OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
- (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
- return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
- else
- return bn_mul_mont_int(rp,ap,bp,np,n0,num);
+ if (!(num&1) && num>=6)
+ {
+ if ((num&15)==0 && num<=64 &&
+ (OPENSSL_sparcv9cap_P[1]&(CFR_MONTMUL|CFR_MONTSQR))==
+ (CFR_MONTMUL|CFR_MONTSQR))
+ {
+ typedef int (*bn_mul_mont_f)(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0);
+ int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0);
+ int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0);
+ int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0);
+ int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0);
+ static const bn_mul_mont_f funcs[4] = {
+ bn_mul_mont_t4_8, bn_mul_mont_t4_16,
+ bn_mul_mont_t4_24, bn_mul_mont_t4_32 };
+ bn_mul_mont_f worker = funcs[num/16-1];
+
+ if ((*worker)(rp,ap,bp,np,n0)) return 1;
+ /* retry once and fall back */
+ if ((*worker)(rp,ap,bp,np,n0)) return 1;
+ return bn_mul_mont_vis3(rp,ap,bp,np,n0,num);
+ }
+ if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS3))
+ return bn_mul_mont_vis3(rp,ap,bp,np,n0,num);
+ else if (num>=8 &&
+ (OPENSSL_sparcv9cap_P[0]&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
+ (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
+ return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
+ }
+ return bn_mul_mont_int(rp,ap,bp,np,n0,num);
}
unsigned long _sparcv9_rdtick(void);
unsigned long _sparcv9_vis1_instrument(void);
void _sparcv9_vis2_probe(void);
void _sparcv9_fmadd_probe(void);
+unsigned long _sparcv9_rdcfr(void);
+void _sparcv9_vis3_probe(void);
+unsigned long _sparcv9_random(void);
size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
-size_t _sparcv8_vis1_instrument_bus2(unsigned int *,size_t,size_t);
+size_t _sparcv9_vis1_instrument_bus2(unsigned int *,size_t,size_t);
unsigned long OPENSSL_rdtsc(void)
{
- if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
+ if (OPENSSL_sparcv9cap_P[0]&SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
return gethrtime();
#else
size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
{
- if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
+ if ((OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK)) ==
SPARCV9_BLK)
return _sparcv9_vis1_instrument_bus(out,cnt);
else
size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
{
- if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
+ if ((OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK)) ==
SPARCV9_BLK)
return _sparcv9_vis1_instrument_bus2(out,cnt,max);
else
if (!strcmp (name,"SUNW,UltraSPARC") ||
!strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
{
- OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
/* %tick is privileged only on UltraSPARC-I/II, but not IIe */
if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
- OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
return DI_WALK_TERMINATE;
}
/* This is expected to catch remaining UltraSPARCs, such as T1 */
else if (!strncmp(name,"SUNW,UltraSPARC",15))
{
- OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
return DI_WALK_TERMINATE;
}
if ((e=getenv("OPENSSL_sparcv9cap")))
{
- OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
+ OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
return;
}
{
if (strcmp(si,"sun4v"))
/* FPU is preferred for all CPUs, but US-T1/2 */
- OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU;
}
if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
{
if (strstr(si,"+vis"))
- OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
if (strstr(si,"+vis2"))
{
- OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
- OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
+ OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
return;
}
}
if ((e=getenv("OPENSSL_sparcv9cap")))
{
- OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
+ OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
+ if ((e=strchr(e,':')))
+ OPENSSL_sparcv9cap_P[1]=strtoul(e+1,NULL,0);
return;
}
/* Initial value, fits UltraSPARC-I&II... */
- OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
+ OPENSSL_sparcv9cap_P[0] = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
sigfillset(&all_masked);
sigdelset(&all_masked,SIGILL);
if (sigsetjmp(common_jmp,1) == 0)
{
_sparcv9_rdtick();
- OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
}
if (sigsetjmp(common_jmp,1) == 0)
{
_sparcv9_vis1_probe();
- OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
/* detect UltraSPARC-Tx, see sparccpud.S for details... */
if (_sparcv9_vis1_instrument() >= 12)
- OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
+ OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
else
{
_sparcv9_vis2_probe();
- OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
}
}
if (sigsetjmp(common_jmp,1) == 0)
{
_sparcv9_fmadd_probe();
- OPENSSL_sparcv9cap_P |= SPARCV9_FMADD;
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
+ }
+
+ /*
+ * VIS3 flag is tested independently from VIS1, unlike VIS2 that is,
+ * because VIS3 defines even integer instructions.
+ */
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_vis3_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
+ }
+
+#if 0 /* was planned at some point but never implemented in hardware */
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ (void)_sparcv9_random();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_RANDOM;
+ }
+#endif
+
+ /*
+ * In wait for better solution _sparcv9_rdcfr is masked by
+ * VIS3 flag, because it goes to uninterruptable endless
+ * loop on UltraSPARC II running Solaris. Things might be
+ * different on Linux...
+ */
+ if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS3) &&
+ sigsetjmp(common_jmp,1) == 0)
+ {
+ OPENSSL_sparcv9cap_P[1] = (unsigned int)_sparcv9_rdcfr();
}
sigaction(SIGBUS,&bus_oact,NULL);
sigaction(SIGILL,&ill_oact,NULL);
sigprocmask(SIG_SETMASK,&oset,NULL);
+
+ if (sizeof(size_t)==8)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+#ifdef __linux
+ else
+ {
+ int ret = syscall(340);
+
+ if (ret>=0 && ret&1)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+ }
+#endif
}
#endif
projects / openssl.git / blobdiff