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 */
14 #define SPARCV9_BLK (1<<5) /* VIS1 block copy */
16 static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
18 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)
20 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);
21 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);
23 if (num>=8 && !(num&1) &&
24 (OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
25 (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
26 return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
28 return bn_mul_mont_int(rp,ap,bp,np,n0,num);
31 unsigned long _sparcv9_rdtick(void);
32 void _sparcv9_vis1_probe(void);
33 unsigned long _sparcv9_vis1_instrument(void);
34 void _sparcv9_vis2_probe(void);
35 void _sparcv9_fmadd_probe(void);
36 size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
37 size_t _sparcv8_vis1_instrument_bus2(unsigned int *,size_t,size_t);
39 unsigned long OPENSSL_rdtsc(void)
41 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
42 #if defined(__sun) && defined(__SVR4)
48 return _sparcv9_rdtick();
51 size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
53 if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
55 return _sparcv9_vis1_instrument_bus(out,cnt);
60 size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
62 if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
64 return _sparcv9_vis1_instrument_bus2(out,cnt,max);
69 #if 0 && defined(__sun) && defined(__SVR4)
70 /* This code path is disabled, because of incompatibility of
71 * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
75 #include <libdevinfo.h>
76 #include <sys/systeminfo.h>
78 typedef di_node_t (*di_init_t)(const char *,uint_t);
79 typedef void (*di_fini_t)(di_node_t);
80 typedef char * (*di_node_name_t)(di_node_t);
81 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
83 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
85 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
87 char *name = (*di_node_name)(node);
89 /* This is expected to catch all UltraSPARC flavors prior T1 */
90 if (!strcmp (name,"SUNW,UltraSPARC") ||
91 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
93 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
95 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
96 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
97 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
99 return DI_WALK_TERMINATE;
101 /* This is expected to catch remaining UltraSPARCs, such as T1 */
102 else if (!strncmp(name,"SUNW,UltraSPARC",15))
104 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
106 return DI_WALK_TERMINATE;
109 return DI_WALK_CONTINUE;
112 void OPENSSL_cpuid_setup(void)
116 static int trigger=0;
121 if ((e=getenv("OPENSSL_sparcv9cap")))
123 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
127 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
129 if (strcmp(si,"sun4v"))
130 /* FPU is preferred for all CPUs, but US-T1/2 */
131 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
134 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
136 if (strstr(si,"+vis"))
137 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
138 if (strstr(si,"+vis2"))
140 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
141 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
147 * Solaris libdevinfo.so.1 is effectively incomatible with
148 * libmalloc.so.1. Specifically, if application is linked with
149 * -lmalloc, it crashes upon startup with SIGSEGV in
150 * free(3LIBMALLOC) called by di_fini. Prior call to
151 * mallopt(M_KEEP,0) somehow helps... But not always...
153 if ((h = dlopen(NULL,RTLD_LAZY)))
155 union { void *p; int (*f)(int,int); } sym;
156 if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
160 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
164 di_walk_node_t di_walk_node;
165 di_node_name_t di_node_name;
168 if (!DLLINK(h,di_init)) break;
169 if (!DLLINK(h,di_fini)) break;
170 if (!DLLINK(h,di_walk_node)) break;
171 if (!DLLINK(h,di_node_name)) break;
173 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
175 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
176 di_node_name,walk_nodename);
177 (*di_fini)(root_node);
186 static sigjmp_buf common_jmp;
187 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
189 void OPENSSL_cpuid_setup(void)
192 struct sigaction common_act,ill_oact,bus_oact;
193 sigset_t all_masked,oset;
194 static int trigger=0;
199 if ((e=getenv("OPENSSL_sparcv9cap")))
201 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
205 /* Initial value, fits UltraSPARC-I&II... */
206 OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
208 sigfillset(&all_masked);
209 sigdelset(&all_masked,SIGILL);
210 sigdelset(&all_masked,SIGTRAP);
212 sigdelset(&all_masked,SIGEMT);
214 sigdelset(&all_masked,SIGFPE);
215 sigdelset(&all_masked,SIGBUS);
216 sigdelset(&all_masked,SIGSEGV);
217 sigprocmask(SIG_SETMASK,&all_masked,&oset);
219 memset(&common_act,0,sizeof(common_act));
220 common_act.sa_handler = common_handler;
221 common_act.sa_mask = all_masked;
223 sigaction(SIGILL,&common_act,&ill_oact);
224 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
226 if (sigsetjmp(common_jmp,1) == 0)
229 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
232 if (sigsetjmp(common_jmp,1) == 0)
234 _sparcv9_vis1_probe();
235 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
236 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
237 if (_sparcv9_vis1_instrument() >= 12)
238 OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
241 _sparcv9_vis2_probe();
242 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
246 if (sigsetjmp(common_jmp,1) == 0)
248 _sparcv9_fmadd_probe();
249 OPENSSL_sparcv9cap_P |= SPARCV9_FMADD;
252 sigaction(SIGBUS,&bus_oact,NULL);
253 sigaction(SIGILL,&ill_oact,NULL);
255 sigprocmask(SIG_SETMASK,&oset,NULL);