#include <setjmp.h>
#include <signal.h>
#include "internal/cryptlib.h"
-#include "internal/ctype.h"
+#include "crypto/ctype.h"
#include "s390x_arch.h"
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+# if __GLIBC_PREREQ(2, 16)
+# include <sys/auxv.h>
+# if defined(HWCAP_S390_STFLE) && defined(HWCAP_S390_VX)
+# define OSSL_IMPLEMENT_GETAUXVAL
+# endif
+# endif
+#endif
+
#define LEN 128
#define STR_(S) #S
#define STR(S) STR_(S)
memcpy(cap, &NAME, sizeof(*cap)); \
}
+#ifndef OSSL_IMPLEMENT_GETAUXVAL
static sigjmp_buf ill_jmp;
static void ill_handler(int sig)
{
siglongjmp(ill_jmp, sig);
}
+void OPENSSL_vx_probe(void);
+#endif
+
static const char *env;
static int parse_env(struct OPENSSL_s390xcap_st *cap);
void OPENSSL_s390x_facilities(void);
void OPENSSL_s390x_functions(void);
-void OPENSSL_vx_probe(void);
struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
void OPENSSL_cpuid_setup(void)
{
- sigset_t oset;
- struct sigaction ill_act, oact_ill, oact_fpe;
struct OPENSSL_s390xcap_st cap;
if (OPENSSL_s390xcap_P.stfle[0])
/* set a bit that will not be tested later */
OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0);
+#if defined(OSSL_IMPLEMENT_GETAUXVAL)
+ {
+ const unsigned long hwcap = getauxval(AT_HWCAP);
+
+ /* protection against missing store-facility-list-extended */
+ if (hwcap & HWCAP_S390_STFLE)
+ OPENSSL_s390x_facilities();
+
+ /* protection against disabled vector facility */
+ if (!(hwcap & HWCAP_S390_VX)) {
+ OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
+ | S390X_CAPBIT(S390X_VXD)
+ | S390X_CAPBIT(S390X_VXE));
+ }
+ }
+#else
+ {
+ sigset_t oset;
+ struct sigaction ill_act, oact_ill, oact_fpe;
+
+ memset(&ill_act, 0, sizeof(ill_act));
+ ill_act.sa_handler = ill_handler;
+ sigfillset(&ill_act.sa_mask);
+ sigdelset(&ill_act.sa_mask, SIGILL);
+ sigdelset(&ill_act.sa_mask, SIGFPE);
+ sigdelset(&ill_act.sa_mask, SIGTRAP);
+
+ sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
+ sigaction(SIGILL, &ill_act, &oact_ill);
+ sigaction(SIGFPE, &ill_act, &oact_fpe);
+
+ /* protection against missing store-facility-list-extended */
+ if (sigsetjmp(ill_jmp, 1) == 0)
+ OPENSSL_s390x_facilities();
+
+ /* protection against disabled vector facility */
+ if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
+ && (sigsetjmp(ill_jmp, 1) == 0)) {
+ OPENSSL_vx_probe();
+ } else {
+ OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
+ | S390X_CAPBIT(S390X_VXD)
+ | S390X_CAPBIT(S390X_VXE));
+ }
+
+ sigaction(SIGFPE, &oact_fpe, NULL);
+ sigaction(SIGILL, &oact_ill, NULL);
+ sigprocmask(SIG_SETMASK, &oset, NULL);
+ }
+#endif
+
env = getenv("OPENSSL_s390xcap");
if (env != NULL) {
if (!parse_env(&cap))
env = NULL;
}
- memset(&ill_act, 0, sizeof(ill_act));
- ill_act.sa_handler = ill_handler;
- sigfillset(&ill_act.sa_mask);
- sigdelset(&ill_act.sa_mask, SIGILL);
- sigdelset(&ill_act.sa_mask, SIGFPE);
- sigdelset(&ill_act.sa_mask, SIGTRAP);
- sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
- sigaction(SIGILL, &ill_act, &oact_ill);
- sigaction(SIGFPE, &ill_act, &oact_fpe);
-
- /* protection against missing store-facility-list-extended */
- if (sigsetjmp(ill_jmp, 1) == 0)
- OPENSSL_s390x_facilities();
-
if (env != NULL) {
OPENSSL_s390xcap_P.stfle[0] &= cap.stfle[0];
OPENSSL_s390xcap_P.stfle[1] &= cap.stfle[1];
OPENSSL_s390xcap_P.stfle[2] &= cap.stfle[2];
}
- /* protection against disabled vector facility */
- if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
- && (sigsetjmp(ill_jmp, 1) == 0)) {
- OPENSSL_vx_probe();
- } else {
- OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
- | S390X_CAPBIT(S390X_VXD)
- | S390X_CAPBIT(S390X_VXE));
- }
-
- sigaction(SIGFPE, &oact_fpe, NULL);
- sigaction(SIGILL, &oact_ill, NULL);
- sigprocmask(SIG_SETMASK, &oset, NULL);
-
- OPENSSL_s390x_functions();
+ OPENSSL_s390x_functions(); /* check OPENSSL_s390xcap_P.stfle */
if (env != NULL) {
OPENSSL_s390xcap_P.kimd[0] &= cap.kimd[0];
S390X_CAPBIT(S390X_VX)
| S390X_CAPBIT(S390X_VXD)
| S390X_CAPBIT(S390X_VXE)
- | S390X_CAPBIT(S390X_MSA8),
+ | S390X_CAPBIT(S390X_MSA8)
+ | S390X_CAPBIT(S390X_MSA9),
0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
- /*.pcc = */{S390X_CAPBIT(S390X_QUERY)
- | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P256)
+ /*.pcc = */{S390X_CAPBIT(S390X_QUERY),
+ S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P256)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P384)
- | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P521),
- 0ULL},
+ | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P521)
+ | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_ED25519)
+ | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_ED448)
+ | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_X25519)
+ | S390X_CAPBIT(S390X_SCALAR_MULTIPLY_X448)},
/*.kdsa = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P256)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P384)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P521)
| S390X_CAPBIT(S390X_ECDSA_SIGN_P256)
| S390X_CAPBIT(S390X_ECDSA_SIGN_P384)
- | S390X_CAPBIT(S390X_ECDSA_SIGN_P521),
+ | S390X_CAPBIT(S390X_ECDSA_SIGN_P521)
+ | S390X_CAPBIT(S390X_EDDSA_VERIFY_ED25519)
+ | S390X_CAPBIT(S390X_EDDSA_VERIFY_ED448)
+ | S390X_CAPBIT(S390X_EDDSA_SIGN_ED25519)
+ | S390X_CAPBIT(S390X_EDDSA_SIGN_ED448),
0ULL},
};