7 #include <openssl/bn.h>
9 #include "sparc_arch.h"
11 #if defined(__GNUC__) && defined(__linux)
12 __attribute__((visibility("hidden")))
14 unsigned int OPENSSL_sparcv9cap_P[2]={SPARCV9_TICK_PRIVILEGED,0};
16 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)
18 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);
19 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);
21 if (num>=8 && !(num&1) &&
22 (OPENSSL_sparcv9cap_P[0]&(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);
34 unsigned long _sparcv9_rdcfr(void);
35 void _sparcv9_vis3_probe(void);
36 unsigned long _sparcv9_random(void);
37 size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
38 size_t _sparcv8_vis1_instrument_bus2(unsigned int *,size_t,size_t);
40 unsigned long OPENSSL_rdtsc(void)
42 if (OPENSSL_sparcv9cap_P[0]&SPARCV9_TICK_PRIVILEGED)
43 #if defined(__sun) && defined(__SVR4)
49 return _sparcv9_rdtick();
52 size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
54 if (OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
56 return _sparcv9_vis1_instrument_bus(out,cnt);
61 size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
63 if (OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
65 return _sparcv9_vis1_instrument_bus2(out,cnt,max);
70 #if 0 && defined(__sun) && defined(__SVR4)
71 /* This code path is disabled, because of incompatibility of
72 * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
76 #include <libdevinfo.h>
77 #include <sys/systeminfo.h>
79 typedef di_node_t (*di_init_t)(const char *,uint_t);
80 typedef void (*di_fini_t)(di_node_t);
81 typedef char * (*di_node_name_t)(di_node_t);
82 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
84 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
86 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
88 char *name = (*di_node_name)(node);
90 /* This is expected to catch all UltraSPARC flavors prior T1 */
91 if (!strcmp (name,"SUNW,UltraSPARC") ||
92 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
94 OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
96 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
97 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
98 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
100 return DI_WALK_TERMINATE;
102 /* This is expected to catch remaining UltraSPARCs, such as T1 */
103 else if (!strncmp(name,"SUNW,UltraSPARC",15))
105 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
107 return DI_WALK_TERMINATE;
110 return DI_WALK_CONTINUE;
113 void OPENSSL_cpuid_setup(void)
117 static int trigger=0;
122 if ((e=getenv("OPENSSL_sparcv9cap")))
124 OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
128 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
130 if (strcmp(si,"sun4v"))
131 /* FPU is preferred for all CPUs, but US-T1/2 */
132 OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU;
135 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
137 if (strstr(si,"+vis"))
138 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
139 if (strstr(si,"+vis2"))
141 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
142 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
148 * Solaris libdevinfo.so.1 is effectively incomatible with
149 * libmalloc.so.1. Specifically, if application is linked with
150 * -lmalloc, it crashes upon startup with SIGSEGV in
151 * free(3LIBMALLOC) called by di_fini. Prior call to
152 * mallopt(M_KEEP,0) somehow helps... But not always...
154 if ((h = dlopen(NULL,RTLD_LAZY)))
156 union { void *p; int (*f)(int,int); } sym;
157 if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
161 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
165 di_walk_node_t di_walk_node;
166 di_node_name_t di_node_name;
169 if (!DLLINK(h,di_init)) break;
170 if (!DLLINK(h,di_fini)) break;
171 if (!DLLINK(h,di_walk_node)) break;
172 if (!DLLINK(h,di_node_name)) break;
174 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
176 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
177 di_node_name,walk_nodename);
178 (*di_fini)(root_node);
187 static sigjmp_buf common_jmp;
188 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
190 void OPENSSL_cpuid_setup(void)
193 struct sigaction common_act,ill_oact,bus_oact;
194 sigset_t all_masked,oset;
195 static int trigger=0;
200 if ((e=getenv("OPENSSL_sparcv9cap")))
202 OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
203 if ((e=strchr(e,':')))
204 OPENSSL_sparcv9cap_P[1]=strtoul(e+1,NULL,0);
208 /* Initial value, fits UltraSPARC-I&II... */
209 OPENSSL_sparcv9cap_P[0] = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
211 sigfillset(&all_masked);
212 sigdelset(&all_masked,SIGILL);
213 sigdelset(&all_masked,SIGTRAP);
215 sigdelset(&all_masked,SIGEMT);
217 sigdelset(&all_masked,SIGFPE);
218 sigdelset(&all_masked,SIGBUS);
219 sigdelset(&all_masked,SIGSEGV);
220 sigprocmask(SIG_SETMASK,&all_masked,&oset);
222 memset(&common_act,0,sizeof(common_act));
223 common_act.sa_handler = common_handler;
224 common_act.sa_mask = all_masked;
226 sigaction(SIGILL,&common_act,&ill_oact);
227 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
229 if (sigsetjmp(common_jmp,1) == 0)
232 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
235 if (sigsetjmp(common_jmp,1) == 0)
237 _sparcv9_vis1_probe();
238 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
239 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
240 if (_sparcv9_vis1_instrument() >= 12)
241 OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
244 _sparcv9_vis2_probe();
245 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
249 if (sigsetjmp(common_jmp,1) == 0)
251 _sparcv9_fmadd_probe();
252 OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
256 * VIS3 flag is tested independently from VIS1, unlike VIS2 that is,
257 * because VIS3 defines even integer instructions.
259 if (sigsetjmp(common_jmp,1) == 0)
261 _sparcv9_vis3_probe();
262 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
265 if (sigsetjmp(common_jmp,1) == 0)
267 (void)_sparcv9_random();
268 OPENSSL_sparcv9cap_P[0] |= SPARCV9_RANDOM;
272 * In wait for better solution _sparcv9_rdcfr is masked by
273 * VIS3 flag, because it goes to uninterruptable endless
274 * loop on UltraSPARC II running Solaris. Things might be
275 * different on Linux...
277 if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS3) &&
278 sigsetjmp(common_jmp,1) == 0)
280 OPENSSL_sparcv9cap_P[1] = (unsigned int)_sparcv9_rdcfr();
283 sigaction(SIGBUS,&bus_oact,NULL);
284 sigaction(SIGILL,&ill_oact,NULL);
286 sigprocmask(SIG_SETMASK,&oset,NULL);