5 #include <openssl/bn.h>
7 #define SPARCV9_TICK_PRIVILEGED (1<<0)
8 #define SPARCV9_PREFER_FPU (1<<1)
9 #define SPARCV9_VIS1 (1<<2)
10 #define SPARCV9_VIS2 (1<<3) /* reserved */
11 #define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
12 static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
14 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)
16 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);
17 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);
19 if ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
20 (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
21 return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
23 return bn_mul_mont_int(rp,ap,bp,np,n0,num);
26 unsigned long OPENSSL_rdtsc(void)
28 unsigned long _sparcv9_rdtick(void);
30 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
31 #if defined(__sun) && defined(__SVR4)
37 return _sparcv9_rdtick();
40 #if defined(__sun) && defined(__SVR4)
43 #include <libdevinfo.h>
45 typedef di_node_t (*di_init_t)(const char *,uint_t);
46 typedef void (*di_fini_t)(di_node_t);
47 typedef char * (*di_node_name_t)(di_node_t);
48 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
50 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
52 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
54 char *name = (*di_node_name)(node);
56 /* This is expected to catch all UltraSPARC flavors prior T1 */
57 if (!strcmp (name,"SUNW,UltraSPARC") ||
58 !strncmp(name,"SUNW,UltraSPARC-I",17))
60 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
62 /* %tick is privileged only on UltraSPARC-I/II */
63 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
64 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
66 return DI_WALK_TERMINATE;
68 /* This is expected to catch remaining UltraSPARC T1 */
69 else if (!strncmp(name,"SUNW,UltraSPARC",15))
71 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
72 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
75 return DI_WALK_CONTINUE;
78 void OPENSSL_cpuid_setup(void)
87 if ((e=getenv("OPENSSL_sparcv9cap")))
89 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
93 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
97 di_walk_node_t di_walk_node;
98 di_node_name_t di_node_name;
101 if (!DLLINK(h,di_init)) break;
102 if (!DLLINK(h,di_fini)) break;
103 if (!DLLINK(h,di_walk_node)) break;
104 if (!DLLINK(h,di_node_name)) break;
106 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
108 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
109 di_node_name,walk_nodename);
110 (*di_fini)(root_node);
119 void OPENSSL_cpucap_setup(void)
123 if ((e=getenv("OPENSSL_sparcv9cap")))
125 OPENSSL_sparcv9cap_P=strtoul(env,NULL,0);
129 /* For now we assume that the rest supports UltraSPARC-I* only */
130 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;