提交 c06b0f3d 编写于 作者: A Andy Polyakov

sparccpuid module update.

上级 68ea6068
......@@ -34,7 +34,8 @@ OPENSSL_wipe_cpu:
nop
call .PIC.zero.up
mov .zero-(.-4),%o0
ldd [%o0],%f0
ld [%o0],%f0
ld [%o0],%f1
subcc %g0,1,%o0
! Following is V9 "rd %ccr,%o0" instruction. However! V8
......@@ -166,6 +167,7 @@ walk_reg_wins:
.global OPENSSL_atomic_add
.type OPENSSL_atomic_add,#function
.align 32
OPENSSL_atomic_add:
#ifndef ABI64
subcc %g0,1,%o2
......@@ -213,27 +215,23 @@ OPENSSL_atomic_add:
sra %o0,%g0,%o0 ! we return signed int, remember?
.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
.global OPENSSL_rdtsc
.global OPENSSL_rdtick
.align 32
OPENSSL_rdtick:
subcc %g0,1,%o0
.word 0x91408000 !rd %ccr,%o0
cmp %o0,0x99
bne .notsc
bne .notick
xor %o0,%o0,%o0
save %sp,FRAME-16,%sp
mov 513,%o0 !SI_PLATFORM
add %sp,BIAS+16,%o1
call sysinfo
mov 256,%o2
add %sp,BIAS-16,%o1
ld [%o1],%l0
ld [%o1+4],%l1
ld [%o1+8],%l2
mov %lo('SUNW'),%l3
ret
restore
.notsc:
.word 0x91410000 !rd %tick,%o0
retl
.word 0x93323020 !srlx %o2,32,%o1
.notick:
retl
xor %o1,%o1,%o1
.type OPENSSL_rdtick,#function
.size OPENSSL_rdtick,.-OPENSSL_rdtick
.section ".init",#alloc,#execinstr
call OPENSSL_cpuid_setup
nop
.type OPENSSL_rdtsc,#function
.size OPENSSL_rdtsc,.-OPENSSL_atomic_add
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.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 */
static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
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_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 (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);
}
unsigned long OPENSSL_rdtsc(void)
{
unsigned long OPENSSL_rdtick(void);
if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
return gethrtime();
#else
return 0;
#endif
else
return OPENSSL_rdtick();
}
#if defined(__sun) && defined(__SVR4)
#include <dlfcn.h>
#include <libdevinfo.h>
typedef di_node_t (*di_init_t)(const char *,uint_t);
typedef void (*di_fini_t)(di_node_t);
typedef char * (*di_node_name_t)(di_node_t);
typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
#define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
{
char *name = (*di_node_name)(node);
/* This is expected to catch all UltraSPARC flavors prior T1 */
if (!strcmp (name,"SUNW,UltraSPARC") ||
!strncmp(name,"SUNW,UltraSPARC-I",17))
{
OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
/* %tick is privileged only on UltraSPARC-I/II */
if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
return DI_WALK_TERMINATE;
}
/* This is expected to catch remaining UltraSPARC T1 */
else if (!strncmp(name,"SUNW,UltraSPARC",15))
{
OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
}
return DI_WALK_CONTINUE;
}
void OPENSSL_cpuid_setup(void)
{
void *h;
char *e;
if (e=getenv("OPENSSL_sparcv9cap"))
{
OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
return;
}
if (h = dlopen("libdevinfo.so.1",RTLD_LAZY)) do
{
di_init_t di_init;
di_fini_t di_fini;
di_walk_node_t di_walk_node;
di_node_name_t di_node_name;
di_node_t root_node;
if (!DLLINK(h,di_init)) break;
if (!DLLINK(h,di_fini)) break;
if (!DLLINK(h,di_walk_node)) break;
if (!DLLINK(h,di_node_name)) break;
if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
{
(*di_walk_node)(root_node,DI_WALK_SIBFIRST,
di_node_name,walk_nodename);
(*di_fini)(root_node);
}
} while(0);
if (h) dlclose(h);
}
#elif defined(__linux)
void OPENSSL_cpuid_setup(void)
{
char *e;
if (e=getenv("OPENSSL_sparcv9cap"))
{
OPENSSL_sparcv9cap_P=strtoul(env,NULL,0);
return;
}
/* Linux apparently supports UltraSPARC-I/II/III only */
OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
}
#else
void OPENSSL_cpuid_setup(void) {}
#endif
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