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 ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
24 (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
25 return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
27 return bn_mul_mont_int(rp,ap,bp,np,n0,num);
30 unsigned long _sparcv9_rdtick(void);
31 void _sparcv9_vis1_probe(void);
32 unsigned long _sparcv9_vis1_instrument(void);
33 void _sparcv9_vis2_probe(void);
34 void _sparcv9_fmadd_probe(void);
35 size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
36 size_t _sparcv8_vis1_instrument_bus2(unsigned int *,size_t,size_t);
38 unsigned long OPENSSL_rdtsc(void)
40 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
41 #if defined(__sun) && defined(__SVR4)
47 return _sparcv9_rdtick();
50 size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
52 if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
54 return _sparcv9_vis1_instrument_bus(out,cnt);
59 size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
61 if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
63 return _sparcv9_vis1_instrument_bus2(out,cnt,max);
68 #if 0 && defined(__sun) && defined(__SVR4)
69 /* This code path is disabled, because of incompatibility of
70 * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
74 #include <libdevinfo.h>
75 #include <sys/systeminfo.h>
77 typedef di_node_t (*di_init_t)(const char *,uint_t);
78 typedef void (*di_fini_t)(di_node_t);
79 typedef char * (*di_node_name_t)(di_node_t);
80 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
82 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
84 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
86 char *name = (*di_node_name)(node);
88 /* This is expected to catch all UltraSPARC flavors prior T1 */
89 if (!strcmp (name,"SUNW,UltraSPARC") ||
90 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
92 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
94 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
95 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
96 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
98 return DI_WALK_TERMINATE;
100 /* This is expected to catch remaining UltraSPARCs, such as T1 */
101 else if (!strncmp(name,"SUNW,UltraSPARC",15))
103 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
105 return DI_WALK_TERMINATE;
108 return DI_WALK_CONTINUE;
111 void OPENSSL_cpuid_setup(void)
115 static int trigger=0;
120 if ((e=getenv("OPENSSL_sparcv9cap")))
122 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
126 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
128 if (strcmp(si,"sun4v"))
129 /* FPU is preferred for all CPUs, but US-T1/2 */
130 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
133 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
135 if (strstr(si,"+vis"))
136 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
137 if (strstr(si,"+vis2"))
139 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
140 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
146 * Solaris libdevinfo.so.1 is effectively incomatible with
147 * libmalloc.so.1. Specifically, if application is linked with
148 * -lmalloc, it crashes upon startup with SIGSEGV in
149 * free(3LIBMALLOC) called by di_fini. Prior call to
150 * mallopt(M_KEEP,0) somehow helps... But not always...
152 if ((h = dlopen(NULL,RTLD_LAZY)))
154 union { void *p; int (*f)(int,int); } sym;
155 if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
159 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
163 di_walk_node_t di_walk_node;
164 di_node_name_t di_node_name;
167 if (!DLLINK(h,di_init)) break;
168 if (!DLLINK(h,di_fini)) break;
169 if (!DLLINK(h,di_walk_node)) break;
170 if (!DLLINK(h,di_node_name)) break;
172 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
174 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
175 di_node_name,walk_nodename);
176 (*di_fini)(root_node);
185 static sigjmp_buf common_jmp;
186 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
188 void OPENSSL_cpuid_setup(void)
191 struct sigaction common_act,ill_oact,bus_oact;
192 sigset_t all_masked,oset;
193 static int trigger=0;
198 if ((e=getenv("OPENSSL_sparcv9cap")))
200 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
204 /* Initial value, fits UltraSPARC-I&II... */
205 OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
207 sigfillset(&all_masked);
208 sigdelset(&all_masked,SIGILL);
209 sigdelset(&all_masked,SIGTRAP);
211 sigdelset(&all_masked,SIGEMT);
213 sigdelset(&all_masked,SIGFPE);
214 sigdelset(&all_masked,SIGBUS);
215 sigdelset(&all_masked,SIGSEGV);
216 sigprocmask(SIG_SETMASK,&all_masked,&oset);
218 memset(&common_act,0,sizeof(common_act));
219 common_act.sa_handler = common_handler;
220 common_act.sa_mask = all_masked;
222 sigaction(SIGILL,&common_act,&ill_oact);
223 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
225 if (sigsetjmp(common_jmp,1) == 0)
228 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
231 if (sigsetjmp(common_jmp,1) == 0)
233 _sparcv9_vis1_probe();
234 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1|SPARCV9_BLK;
235 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
236 if (_sparcv9_vis1_instrument() >= 12)
237 OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
240 _sparcv9_vis2_probe();
241 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
245 if (sigsetjmp(common_jmp,1) == 0)
247 _sparcv9_fmadd_probe();
248 OPENSSL_sparcv9cap_P |= SPARCV9_FMADD;
251 sigaction(SIGBUS,&bus_oact,NULL);
252 sigaction(SIGILL,&ill_oact,NULL);
254 sigprocmask(SIG_SETMASK,&oset,NULL);