diff options
Diffstat (limited to 'openssl/crypto/sparcv9cap.c')
| -rw-r--r-- | openssl/crypto/sparcv9cap.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/openssl/crypto/sparcv9cap.c b/openssl/crypto/sparcv9cap.c deleted file mode 100644 index ed195ab4..00000000 --- a/openssl/crypto/sparcv9cap.c +++ /dev/null @@ -1,237 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <setjmp.h> -#include <signal.h> -#include <sys/time.h> -#include <openssl/bn.h> - -#define SPARCV9_TICK_PRIVILEGED (1<<0) -#define SPARCV9_PREFER_FPU (1<<1) -#define SPARCV9_VIS1 (1<<2) -#define SPARCV9_VIS2 (1<<3) /* reserved */ -#define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */ - -static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED; - -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) - { - 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); - 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); - - if ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) == - (SPARCV9_PREFER_FPU|SPARCV9_VIS1)) - return bn_mul_mont_fpu(rp,ap,bp,np,n0,num); - else - return bn_mul_mont_int(rp,ap,bp,np,n0,num); - } - -unsigned long _sparcv9_rdtick(void); -void _sparcv9_vis1_probe(void); -unsigned long _sparcv9_vis1_instrument(void); -void _sparcv9_vis2_probe(void); -void _sparcv9_fmadd_probe(void); - -unsigned long OPENSSL_rdtsc(void) - { - if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED) -#if defined(__sun) && defined(__SVR4) - return gethrtime(); -#else - return 0; -#endif - else - return _sparcv9_rdtick(); - } - -#if 0 && defined(__sun) && defined(__SVR4) -/* This code path is disabled, because of incompatibility of - * libdevinfo.so.1 and libmalloc.so.1 (see below for details) - */ -#include <malloc.h> -#include <dlfcn.h> -#include <libdevinfo.h> -#include <sys/systeminfo.h> - -typedef di_node_t (*di_init_t)(const char *,uint_t); -typedef void (*di_fini_t)(di_node_t); -typedef char * (*di_node_name_t)(di_node_t); -typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t)); - -#define DLLINK(h,name) (name=(name##_t)dlsym((h),#name)) - -static int walk_nodename(di_node_t node, di_node_name_t di_node_name) - { - char *name = (*di_node_name)(node); - - /* This is expected to catch all UltraSPARC flavors prior T1 */ - if (!strcmp (name,"SUNW,UltraSPARC") || - !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */ - { - OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1; - - /* %tick is privileged only on UltraSPARC-I/II, but not IIe */ - if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0') - OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED; - - return DI_WALK_TERMINATE; - } - /* This is expected to catch remaining UltraSPARCs, such as T1 */ - else if (!strncmp(name,"SUNW,UltraSPARC",15)) - { - OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED; - - return DI_WALK_TERMINATE; - } - - return DI_WALK_CONTINUE; - } - -void OPENSSL_cpuid_setup(void) - { - void *h; - char *e,si[256]; - static int trigger=0; - - if (trigger) return; - trigger=1; - - if ((e=getenv("OPENSSL_sparcv9cap"))) - { - OPENSSL_sparcv9cap_P=strtoul(e,NULL,0); - return; - } - - if (sysinfo(SI_MACHINE,si,sizeof(si))>0) - { - if (strcmp(si,"sun4v")) - /* FPU is preferred for all CPUs, but US-T1/2 */ - OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU; - } - - if (sysinfo(SI_ISALIST,si,sizeof(si))>0) - { - if (strstr(si,"+vis")) - OPENSSL_sparcv9cap_P |= SPARCV9_VIS1; - if (strstr(si,"+vis2")) - { - OPENSSL_sparcv9cap_P |= SPARCV9_VIS2; - OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED; - return; - } - } -#ifdef M_KEEP - /* - * Solaris libdevinfo.so.1 is effectively incomatible with - * libmalloc.so.1. Specifically, if application is linked with - * -lmalloc, it crashes upon startup with SIGSEGV in - * free(3LIBMALLOC) called by di_fini. Prior call to - * mallopt(M_KEEP,0) somehow helps... But not always... - */ - if ((h = dlopen(NULL,RTLD_LAZY))) - { - union { void *p; int (*f)(int,int); } sym; - if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0); - dlclose(h); - } -#endif - if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do - { - di_init_t di_init; - di_fini_t di_fini; - di_walk_node_t di_walk_node; - di_node_name_t di_node_name; - di_node_t root_node; - - if (!DLLINK(h,di_init)) break; - if (!DLLINK(h,di_fini)) break; - if (!DLLINK(h,di_walk_node)) break; - if (!DLLINK(h,di_node_name)) break; - - if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL) - { - (*di_walk_node)(root_node,DI_WALK_SIBFIRST, - di_node_name,walk_nodename); - (*di_fini)(root_node); - } - } while(0); - - if (h) dlclose(h); - } - -#else - -static sigjmp_buf common_jmp; -static void common_handler(int sig) { siglongjmp(common_jmp,sig); } - -void OPENSSL_cpuid_setup(void) - { - char *e; - struct sigaction common_act,ill_oact,bus_oact; - sigset_t all_masked,oset; - int sig; - static int trigger=0; - - if (trigger) return; - trigger=1; - - if ((e=getenv("OPENSSL_sparcv9cap"))) - { - OPENSSL_sparcv9cap_P=strtoul(e,NULL,0); - return; - } - - /* Initial value, fits UltraSPARC-I&II... */ - OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED; - - sigfillset(&all_masked); - sigdelset(&all_masked,SIGILL); - sigdelset(&all_masked,SIGTRAP); -#ifdef SIGEMT - sigdelset(&all_masked,SIGEMT); -#endif - sigdelset(&all_masked,SIGFPE); - sigdelset(&all_masked,SIGBUS); - sigdelset(&all_masked,SIGSEGV); - sigprocmask(SIG_SETMASK,&all_masked,&oset); - - memset(&common_act,0,sizeof(common_act)); - common_act.sa_handler = common_handler; - common_act.sa_mask = all_masked; - - sigaction(SIGILL,&common_act,&ill_oact); - sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */ - - if (sigsetjmp(common_jmp,1) == 0) - { - _sparcv9_rdtick(); - OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED; - } - - if (sigsetjmp(common_jmp,1) == 0) - { - _sparcv9_vis1_probe(); - OPENSSL_sparcv9cap_P |= SPARCV9_VIS1; - /* detect UltraSPARC-Tx, see sparccpud.S for details... */ - if (_sparcv9_vis1_instrument() >= 12) - OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU); - else - { - _sparcv9_vis2_probe(); - OPENSSL_sparcv9cap_P |= SPARCV9_VIS2; - } - } - - if (sigsetjmp(common_jmp,1) == 0) - { - _sparcv9_fmadd_probe(); - OPENSSL_sparcv9cap_P |= SPARCV9_FMADD; - } - - sigaction(SIGBUS,&bus_oact,NULL); - sigaction(SIGILL,&ill_oact,NULL); - - sigprocmask(SIG_SETMASK,&oset,NULL); - } - -#endif |