8 #include <openssl/bn.h>
10 #include "sparc_arch.h"
12 #if defined(__GNUC__) && defined(__linux)
13 __attribute__((visibility("hidden")))
15 unsigned int OPENSSL_sparcv9cap_P[2]={SPARCV9_TICK_PRIVILEGED,0};
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 (num>=8 && !(num&1) &&
23 (OPENSSL_sparcv9cap_P[0]&(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 unsigned long _sparcv9_rdcfr(void);
36 void _sparcv9_vis3_probe(void);
37 unsigned long _sparcv9_random(void);
38 size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
39 size_t _sparcv9_vis1_instrument_bus2(unsigned int *,size_t,size_t);
41 unsigned long OPENSSL_rdtsc(void)
43 if (OPENSSL_sparcv9cap_P[0]&SPARCV9_TICK_PRIVILEGED)
44 #if defined(__sun) && defined(__SVR4)
50 return _sparcv9_rdtick();
53 size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
55 if ((OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK)) ==
57 return _sparcv9_vis1_instrument_bus(out,cnt);
62 size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
64 if ((OPENSSL_sparcv9cap_P[0]&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK)) ==
66 return _sparcv9_vis1_instrument_bus2(out,cnt,max);
71 #if 0 && defined(__sun) && defined(__SVR4)
72 /* This code path is disabled, because of incompatibility of
73 * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
77 #include <libdevinfo.h>
78 #include <sys/systeminfo.h>
80 typedef di_node_t (*di_init_t)(const char *,uint_t);
81 typedef void (*di_fini_t)(di_node_t);
82 typedef char * (*di_node_name_t)(di_node_t);
83 typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
85 #define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
87 static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
89 char *name = (*di_node_name)(node);
91 /* This is expected to catch all UltraSPARC flavors prior T1 */
92 if (!strcmp (name,"SUNW,UltraSPARC") ||
93 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
95 OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
97 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
98 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
99 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
101 return DI_WALK_TERMINATE;
103 /* This is expected to catch remaining UltraSPARCs, such as T1 */
104 else if (!strncmp(name,"SUNW,UltraSPARC",15))
106 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
108 return DI_WALK_TERMINATE;
111 return DI_WALK_CONTINUE;
114 void OPENSSL_cpuid_setup(void)
118 static int trigger=0;
123 if ((e=getenv("OPENSSL_sparcv9cap")))
125 OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
129 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
131 if (strcmp(si,"sun4v"))
132 /* FPU is preferred for all CPUs, but US-T1/2 */
133 OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU;
136 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
138 if (strstr(si,"+vis"))
139 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
140 if (strstr(si,"+vis2"))
142 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
143 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
149 * Solaris libdevinfo.so.1 is effectively incomatible with
150 * libmalloc.so.1. Specifically, if application is linked with
151 * -lmalloc, it crashes upon startup with SIGSEGV in
152 * free(3LIBMALLOC) called by di_fini. Prior call to
153 * mallopt(M_KEEP,0) somehow helps... But not always...
155 if ((h = dlopen(NULL,RTLD_LAZY)))
157 union { void *p; int (*f)(int,int); } sym;
158 if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
162 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
166 di_walk_node_t di_walk_node;
167 di_node_name_t di_node_name;
170 if (!DLLINK(h,di_init)) break;
171 if (!DLLINK(h,di_fini)) break;
172 if (!DLLINK(h,di_walk_node)) break;
173 if (!DLLINK(h,di_node_name)) break;
175 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
177 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
178 di_node_name,walk_nodename);
179 (*di_fini)(root_node);
188 static sigjmp_buf common_jmp;
189 static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
191 void OPENSSL_cpuid_setup(void)
194 struct sigaction common_act,ill_oact,bus_oact;
195 sigset_t all_masked,oset;
196 static int trigger=0;
201 if ((e=getenv("OPENSSL_sparcv9cap")))
203 OPENSSL_sparcv9cap_P[0]=strtoul(e,NULL,0);
204 if ((e=strchr(e,':')))
205 OPENSSL_sparcv9cap_P[1]=strtoul(e+1,NULL,0);
209 /* Initial value, fits UltraSPARC-I&II... */
210 OPENSSL_sparcv9cap_P[0] = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
212 sigfillset(&all_masked);
213 sigdelset(&all_masked,SIGILL);
214 sigdelset(&all_masked,SIGTRAP);
216 sigdelset(&all_masked,SIGEMT);
218 sigdelset(&all_masked,SIGFPE);
219 sigdelset(&all_masked,SIGBUS);
220 sigdelset(&all_masked,SIGSEGV);
221 sigprocmask(SIG_SETMASK,&all_masked,&oset);
223 memset(&common_act,0,sizeof(common_act));
224 common_act.sa_handler = common_handler;
225 common_act.sa_mask = all_masked;
227 sigaction(SIGILL,&common_act,&ill_oact);
228 sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
230 if (sigsetjmp(common_jmp,1) == 0)
233 OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
236 if (sigsetjmp(common_jmp,1) == 0)
238 _sparcv9_vis1_probe();
239 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
240 /* detect UltraSPARC-Tx, see sparccpud.S for details... */
241 if (_sparcv9_vis1_instrument() >= 12)
242 OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
245 _sparcv9_vis2_probe();
246 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
250 if (sigsetjmp(common_jmp,1) == 0)
252 _sparcv9_fmadd_probe();
253 OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
257 * VIS3 flag is tested independently from VIS1, unlike VIS2 that is,
258 * because VIS3 defines even integer instructions.
260 if (sigsetjmp(common_jmp,1) == 0)
262 _sparcv9_vis3_probe();
263 OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
266 if (sigsetjmp(common_jmp,1) == 0)
268 (void)_sparcv9_random();
269 OPENSSL_sparcv9cap_P[0] |= SPARCV9_RANDOM;
273 * In wait for better solution _sparcv9_rdcfr is masked by
274 * VIS3 flag, because it goes to uninterruptable endless
275 * loop on UltraSPARC II running Solaris. Things might be
276 * different on Linux...
278 if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS3) &&
279 sigsetjmp(common_jmp,1) == 0)
281 OPENSSL_sparcv9cap_P[1] = (unsigned int)_sparcv9_rdcfr();
284 sigaction(SIGBUS,&bus_oact,NULL);
285 sigaction(SIGILL,&ill_oact,NULL);
287 sigprocmask(SIG_SETMASK,&oset,NULL);
289 if (sizeof(size_t)==8)
290 OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
294 int ret = syscall(340);
297 OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;