#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 (num >= 8 && !(num & 1) && (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") || /* covers II,III,IV */ !strncmp(name, "SUNW,UltraSPARC-I", 17)) { 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; 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