+/*
+ * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <signal.h>
#include <sys/time.h>
+#include <unistd.h>
#include <openssl/bn.h>
+#include "internal/cryptlib.h"
+
+#include "sparc_arch.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 */
-#define SPARCV9_BLK (1<<5) /* VIS1 block copy */
-
-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);
-size_t _sparcv9_vis1_instrument_bus(unsigned int *,size_t);
-size_t _sparcv8_vis1_instrument_bus2(unsigned int *,size_t,size_t);
-
-unsigned long OPENSSL_rdtsc(void)
- {
- if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
+#if defined(__GNUC__) && defined(__linux)
+__attribute__ ((visibility("hidden")))
+#endif
+unsigned int OPENSSL_sparcv9cap_P[2] = { SPARCV9_TICK_PRIVILEGED, 0 };
+
+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_vis3(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 & 1) && num >= 6) {
+ if ((num & 15) == 0 && num <= 64 &&
+ (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==
+ (CFR_MONTMUL | CFR_MONTSQR)) {
+ typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,
+ const BN_ULONG *bp,
+ const BN_ULONG *np,
+ const BN_ULONG *n0);
+ int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap,
+ const BN_ULONG *bp, const BN_ULONG *np,
+ const BN_ULONG *n0);
+ int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,
+ const BN_ULONG *bp, const BN_ULONG *np,
+ const BN_ULONG *n0);
+ int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,
+ const BN_ULONG *bp, const BN_ULONG *np,
+ const BN_ULONG *n0);
+ int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,
+ const BN_ULONG *bp, const BN_ULONG *np,
+ const BN_ULONG *n0);
+ static const bn_mul_mont_f funcs[4] = {
+ bn_mul_mont_t4_8, bn_mul_mont_t4_16,
+ bn_mul_mont_t4_24, bn_mul_mont_t4_32
+ };
+ bn_mul_mont_f worker = funcs[num / 16 - 1];
+
+ if ((*worker) (rp, ap, bp, np, n0))
+ return 1;
+ /* retry once and fall back */
+ if ((*worker) (rp, ap, bp, np, n0))
+ return 1;
+ return bn_mul_mont_vis3(rp, ap, bp, np, n0, num);
+ }
+ if ((OPENSSL_sparcv9cap_P[0] & SPARCV9_VIS3))
+ return bn_mul_mont_vis3(rp, ap, bp, np, n0, num);
+ else if (num >= 8 &&
+ /*
+ * bn_mul_mont_fpu doesn't use FMADD, we just use the
+ * flag to detect when FPU path is preferable in cases
+ * when current heuristics is unreliable. [it works
+ * out because FMADD-capable processors where FPU
+ * code path is undesirable are also VIS3-capable and
+ * VIS3 code path takes precedence.]
+ */
+ ( (OPENSSL_sparcv9cap_P[0] & SPARCV9_FMADD) ||
+ (OPENSSL_sparcv9cap_P[0] &
+ (SPARCV9_PREFER_FPU | SPARCV9_VIS1)) ==
+ (SPARCV9_PREFER_FPU | SPARCV9_VIS1) ))
+ return bn_mul_mont_fpu(rp, ap, bp, np, n0, num);
+ }
+ 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 _sparcv9_rdcfr(void);
+void _sparcv9_vis3_probe(void);
+void _sparcv9_fjaesx_probe(void);
+unsigned long _sparcv9_random(void);
+size_t _sparcv9_vis1_instrument_bus(unsigned int *, size_t);
+size_t _sparcv9_vis1_instrument_bus2(unsigned int *, size_t, size_t);
+
+uint32_t OPENSSL_rdtsc(void)
+{
+ if (OPENSSL_sparcv9cap_P[0] & SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
- return gethrtime();
+ return gethrtime();
#else
- return 0;
+ return 0;
#endif
- else
- return _sparcv9_rdtick();
- }
-
-size_t OPENSSL_instrument_bus(unsigned int *out,size_t cnt)
- {
- if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
- SPARCV9_BLK)
- return _sparcv9_vis1_instrument_bus(out,cnt);
- else
- return 0;
- }
-
-size_t OPENSSL_instrument_bus2(unsigned int *out,size_t cnt,size_t max)
- {
- if (OPENSSL_sparcv9cap_P&(SPARCV9_TICK_PRIVILEGED|SPARCV9_BLK) ==
- SPARCV9_BLK)
- return _sparcv9_vis1_instrument_bus2(out,cnt,max);
- else
- return 0;
- }
-
-#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;
+ else
+ return _sparcv9_rdtick();
+}
+
+size_t OPENSSL_instrument_bus(unsigned int *out, size_t cnt)
+{
+ if ((OPENSSL_sparcv9cap_P[0] & (SPARCV9_TICK_PRIVILEGED | SPARCV9_BLK)) ==
+ SPARCV9_BLK)
+ return _sparcv9_vis1_instrument_bus(out, cnt);
+ else
+ return 0;
+}
+
+size_t OPENSSL_instrument_bus2(unsigned int *out, size_t cnt, size_t max)
+{
+ if ((OPENSSL_sparcv9cap_P[0] & (SPARCV9_TICK_PRIVILEGED | SPARCV9_BLK)) ==
+ SPARCV9_BLK)
+ return _sparcv9_vis1_instrument_bus2(out, cnt, max);
+ else
+ return 0;
+}
- return DI_WALK_TERMINATE;
- }
-
- return DI_WALK_CONTINUE;
- }
+static sigjmp_buf common_jmp;
+static void common_handler(int sig)
+{
+ siglongjmp(common_jmp, sig);
+}
-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|SPARCV9_BLK;
- 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);
- }
+#if defined(__sun) && defined(__SVR4)
+# if defined(__GNUC__) && __GNUC__>=2
+extern unsigned int getisax(unsigned int vec[], unsigned int sz) __attribute__ ((weak));
+# elif defined(__SUNPRO_C)
+#pragma weak getisax
+extern unsigned int getisax(unsigned int vec[], unsigned int sz);
+# else
+static unsigned int (*getisax) (unsigned int vec[], unsigned int sz) = NULL;
+# endif
#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|SPARCV9_BLK;
- /* 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);
- }
+{
+ 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[0] = strtoul(e, NULL, 0);
+ if ((e = strchr(e, ':')))
+ OPENSSL_sparcv9cap_P[1] = strtoul(e + 1, NULL, 0);
+ return;
+ }
+#if defined(__sun) && defined(__SVR4)
+ if (getisax != NULL) {
+ unsigned int vec[2] = { 0, 0 };
+
+ if (getisax (vec,2)) {
+ if (vec[0]&0x00020) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1;
+ if (vec[0]&0x00040) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
+ if (vec[0]&0x00080) OPENSSL_sparcv9cap_P[0] |= SPARCV9_BLK;
+ if (vec[0]&0x00100) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
+ if (vec[0]&0x00400) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
+ if (vec[0]&0x01000) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FJHPCACE;
+ if (vec[0]&0x02000) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FJDESX;
+ if (vec[0]&0x08000) OPENSSL_sparcv9cap_P[0] |= SPARCV9_IMA;
+ if (vec[0]&0x10000) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FJAESX;
+ if (vec[1]&0x00008) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS4;
+
+ /* reconstruct %cfr copy */
+ OPENSSL_sparcv9cap_P[1] = (vec[0]>>17)&0x3ff;
+ OPENSSL_sparcv9cap_P[1] |= (OPENSSL_sparcv9cap_P[1]&CFR_MONTMUL)<<1;
+ if (vec[0]&0x20000000) OPENSSL_sparcv9cap_P[1] |= CFR_CRC32C;
+ if (vec[1]&0x00000020) OPENSSL_sparcv9cap_P[1] |= CFR_XMPMUL;
+ if (vec[1]&0x00000040)
+ OPENSSL_sparcv9cap_P[1] |= CFR_XMONTMUL|CFR_XMONTSQR;
+
+ /* Some heuristics */
+ /* all known VIS2-capable CPUs have unprivileged tick counter */
+ if (OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS2)
+ OPENSSL_sparcv9cap_P[0] &= ~SPARCV9_TICK_PRIVILEGED;
+
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_PREFER_FPU;
+
+ /* detect UltraSPARC-Tx, see sparccpud.S for details... */
+ if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS1) &&
+ _sparcv9_vis1_instrument() >= 12)
+ OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1 | SPARCV9_PREFER_FPU);
+ }
+
+ if (sizeof(size_t) == 8)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+
+ return;
+ }
#endif
+
+ /* Initial value, fits UltraSPARC-I&II... */
+ OPENSSL_sparcv9cap_P[0] = 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[0] &= ~SPARCV9_TICK_PRIVILEGED;
+ }
+
+ if (sigsetjmp(common_jmp, 1) == 0) {
+ _sparcv9_vis1_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1 | SPARCV9_BLK;
+ /* detect UltraSPARC-Tx, see sparccpud.S for details... */
+ if (_sparcv9_vis1_instrument() >= 12)
+ OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1 | SPARCV9_PREFER_FPU);
+ else {
+ _sparcv9_vis2_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
+ }
+ }
+
+ if (sigsetjmp(common_jmp, 1) == 0) {
+ _sparcv9_fmadd_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
+ }
+
+ /*
+ * VIS3 flag is tested independently from VIS1, unlike VIS2 that is,
+ * because VIS3 defines even integer instructions.
+ */
+ if (sigsetjmp(common_jmp, 1) == 0) {
+ _sparcv9_vis3_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
+ }
+
+ if (sigsetjmp(common_jmp, 1) == 0) {
+ _sparcv9_fjaesx_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_FJAESX;
+ }
+
+ /*
+ * In wait for better solution _sparcv9_rdcfr is masked by
+ * VIS3 flag, because it goes to uninterruptable endless
+ * loop on UltraSPARC II running Solaris. Things might be
+ * different on Linux...
+ */
+ if ((OPENSSL_sparcv9cap_P[0] & SPARCV9_VIS3) &&
+ sigsetjmp(common_jmp, 1) == 0) {
+ OPENSSL_sparcv9cap_P[1] = (unsigned int)_sparcv9_rdcfr();
+ }
+
+ sigaction(SIGBUS, &bus_oact, NULL);
+ sigaction(SIGILL, &ill_oact, NULL);
+
+ sigprocmask(SIG_SETMASK, &oset, NULL);
+
+ if (sizeof(size_t) == 8)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+# ifdef __linux
+ else {
+ int ret = syscall(340);
+
+ if (ret >= 0 && ret & 1)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+ }
+# endif
+}
projects / openssl.git / blobdiff