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 void _sparcv9_vis1_probe(void);
31 unsigned long _sparcv9_vis1_instrument(void);
32 void _sparcv9_vis2_probe(void);
33 void _sparcv9_fmadd_probe(void);
35 unsigned long OPENSSL_rdtsc(void)
37 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
38 #if defined(__sun) && defined(__SVR4)
44 return _sparcv9_rdtick();
47 #if 0 && defined(__sun) && defined(__SVR4)
48 /* This code path is disabled, because of incompatibility of
49 * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
53 #include <libdevinfo.h>
54 #include <sys/systeminfo.h>
56 typedef di_node_t (*di_init_t)(const char *,uint_t);
57 typedef void (*di_fini_t)(di_node_t);
58 typedef char * (*di_node_name_t)(di_node_t);
59 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
61 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
63 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
65 char *name = (*di_node_name)(node);
67 /* This is expected to catch all UltraSPARC flavors prior T1 */
68 if (!strcmp (name,"SUNW,UltraSPARC") ||
69 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
71 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
73 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
74 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
75 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
77 return DI_WALK_TERMINATE;
79 /* This is expected to catch remaining UltraSPARCs, such as T1 */
80 else if (!strncmp(name,"SUNW,UltraSPARC",15))
82 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
84 return DI_WALK_TERMINATE;
87 return DI_WALK_CONTINUE;
90 void OPENSSL_cpuid_setup(void)
99 if ((e=getenv("OPENSSL_sparcv9cap")))
101 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
105 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
107 if (strcmp(si,"sun4v"))
108 /* FPU is preferred for all CPUs, but US-T1/2 */
109 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
112 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
114 if (strstr(si,"+vis"))
115 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
116 if (strstr(si,"+vis2"))
118 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
119 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
125 * Solaris libdevinfo.so.1 is effectively incomatible with
126 * libmalloc.so.1. Specifically, if application is linked with
127 * -lmalloc, it crashes upon startup with SIGSEGV in
128 * free(3LIBMALLOC) called by di_fini. Prior call to
129 * mallopt(M_KEEP,0) somehow helps... But not always...
131 if ((h = dlopen(NULL,RTLD_LAZY)))
133 union { void *p; int (*f)(int,int); } sym;
134 if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
138 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
142 di_walk_node_t di_walk_node;
143 di_node_name_t di_node_name;
146 if (!DLLINK(h,di_init)) break;
147 if (!DLLINK(h,di_fini)) break;
148 if (!DLLINK(h,di_walk_node)) break;
149 if (!DLLINK(h,di_node_name)) break;
151 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
153 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
154 di_node_name,walk_nodename);
155 (*di_fini)(root_node);
164 static sigjmp_buf common_jmp;
165 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
167 void OPENSSL_cpuid_setup(void)
170 struct sigaction common_act,ill_oact,bus_oact;
171 sigset_t all_masked,oset;
173 static int trigger=0;
178 if ((e=getenv("OPENSSL_sparcv9cap")))
180 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
184 /* Initial value, fits UltraSPARC-I&II... */
185 OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
187 sigfillset(&all_masked);
188 sigdelset(&all_masked,SIGILL);
189 sigdelset(&all_masked,SIGTRAP);
191 sigdelset(&all_masked,SIGEMT);
193 sigdelset(&all_masked,SIGFPE);
194 sigdelset(&all_masked,SIGBUS);
195 sigdelset(&all_masked,SIGSEGV);
196 sigprocmask(SIG_SETMASK,&all_masked,&oset);
198 memset(&common_act,0,sizeof(common_act));
199 common_act.sa_handler = common_handler;
200 common_act.sa_mask = all_masked;
202 sigaction(SIGILL,&common_act,&ill_oact);
203 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
205 if (sigsetjmp(common_jmp,1) == 0)
208 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
211 if (sigsetjmp(common_jmp,1) == 0)
213 _sparcv9_vis1_probe();
214 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
215 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
216 if (_sparcv9_vis1_instrument() >= 12)
217 OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
220 _sparcv9_vis2_probe();
221 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
225 if (sigsetjmp(common_jmp,1) == 0)
227 _sparcv9_fmadd_probe();
228 OPENSSL_sparcv9cap_P |= SPARCV9_FMADD;
231 sigaction(SIGBUS,&bus_oact,NULL);
232 sigaction(SIGILL,&ill_oact,NULL);
234 sigprocmask(SIG_SETMASK,&oset,NULL);