+/*
+ * 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>
if ((OPENSSL_sparcv9cap_P[0] & SPARCV9_VIS3))
return bn_mul_mont_vis3(rp, ap, bp, np, n0, num);
else if (num >= 8 &&
- (OPENSSL_sparcv9cap_P[0] &
- (SPARCV9_PREFER_FPU | SPARCV9_VIS1)) ==
- (SPARCV9_PREFER_FPU | SPARCV9_VIS1))
+ /*
+ * 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);
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);
siglongjmp(common_jmp, sig);
}
+#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
+
void OPENSSL_cpuid_setup(void)
{
char *e;
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;
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