7 #include <openssl/bn.h>
9 #define SPARCV9_TICK_PRIVILEGED (1<<0)
10 #define SPARCV9_PREFER_FPU (1<<1)
11 #define SPARCV9_VIS1 (1<<2)
12 #define SPARCV9_VIS2 (1<<3) /* reserved */
13 #define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
15 static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
17 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)
19 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);
20 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);
22 if ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
23 (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
24 return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
26 return bn_mul_mont_int(rp,ap,bp,np,n0,num);
29 unsigned long _sparcv9_rdtick(void);
30 unsigned long _sparcv9_vis1_probe(void);
32 unsigned long OPENSSL_rdtsc(void)
34 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
35 #if defined(__sun) && defined(__SVR4)
41 return _sparcv9_rdtick();
44 #if defined(__sun) && defined(__SVR4)
47 #include <libdevinfo.h>
48 #include <sys/systeminfo.h>
50 typedef di_node_t (*di_init_t)(const char *,uint_t);
51 typedef void (*di_fini_t)(di_node_t);
52 typedef char * (*di_node_name_t)(di_node_t);
53 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
55 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
57 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
59 char *name = (*di_node_name)(node);
61 /* This is expected to catch all UltraSPARC flavors prior T1 */
62 if (!strcmp (name,"SUNW,UltraSPARC") ||
63 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
65 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
67 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
68 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
69 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
71 return DI_WALK_TERMINATE;
73 /* This is expected to catch remaining UltraSPARCs, such as T1 */
74 else if (!strncmp(name,"SUNW,UltraSPARC",15))
76 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
78 return DI_WALK_TERMINATE;
81 return DI_WALK_CONTINUE;
84 void OPENSSL_cpuid_setup(void)
93 if ((e=getenv("OPENSSL_sparcv9cap")))
95 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
99 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
101 if (strcmp(si,"sun4v"))
102 /* FPU is preferred for all CPUs, but US-T1/2 */
103 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
106 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
108 if (strstr(si,"+vis"))
109 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
110 if (strstr(si,"+vis2"))
112 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
113 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
118 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
122 di_walk_node_t di_walk_node;
123 di_node_name_t di_node_name;
126 if (!DLLINK(h,di_init)) break;
127 if (!DLLINK(h,di_fini)) break;
128 if (!DLLINK(h,di_walk_node)) break;
129 if (!DLLINK(h,di_node_name)) break;
131 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
133 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
134 di_node_name,walk_nodename);
135 (*di_fini)(root_node);
144 static sigjmp_buf common_jmp;
145 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
147 void OPENSSL_cpuid_setup(void)
150 struct sigaction common_act,ill_oact,bus_oact;
151 sigset_t all_masked,oset;
154 if ((e=getenv("OPENSSL_sparcv9cap")))
156 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
160 /* For now we assume that the rest supports UltraSPARC-I* only */
161 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
163 sigfillset(&all_masked);
164 sigdelset(&all_masked,SIGILL);
165 sigdelset(&all_masked,SIGTRAP);
167 sigdelset(&all_masked,SIGEMT);
169 sigdelset(&all_masked,SIGFPE);
170 sigdelset(&all_masked,SIGBUS);
171 sigdelset(&all_masked,SIGSEGV);
172 sigprocmask(SIG_SETMASK,&all_masked,&oset);
174 memset(&common_act,0,sizeof(common_act));
175 common_act.sa_handler = common_handler;
176 common_act.sa_mask = all_masked;
178 sigaction(SIGILL,&common_act,&ill_oact);
179 if (sigsetjmp(common_jmp,0) == 0)
182 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
186 /* This happens on US-I&II, which have working VIS1
187 * and fast FPU... In other words we are done... */
188 OPENSSL_sparcv9cap_P |= SPARCV9_TICK_PRIVILEGED;
189 sigaction(SIGILL,&ill_oact,NULL);
190 sigprocmask(SIG_SETMASK,&oset,NULL);
193 sigaction(SIGILL,&ill_oact,NULL);
195 sigaction(SIGILL,&common_act,&ill_oact);
196 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda */
197 if ((sig=sigsetjmp(common_jmp,0)) == 0)
199 /* see sparccpud.S for details... */
200 if (_sparcv9_vis1_probe() >= 12)
201 OPENSSL_sparcv9cap_P &= ~SPARCV9_VIS1;
205 OPENSSL_sparcv9cap_P &= ~SPARCV9_VIS1;
207 sigaction(SIGBUS,&bus_oact,NULL);
208 sigaction(SIGILL,&ill_oact,NULL);
210 sigprocmask(SIG_SETMASK,&oset,NULL);