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SPARCv9 assembler pack: refine CPU detection on Linux, fix for "unaligned

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opcodes detected in executable segment" error.
This commit is contained in:
Andy Polyakov 2010-07-01 07:34:56 +00:00
parent 9674de7d3d
commit c32fcca6f4
6 changed files with 88 additions and 3 deletions
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1
crypto/modes/asm/ghash-sparcv9.pl
View File

@ -315,6 +315,7 @@ gcm_gmult_4bit:
.type gcm_gmult_4bit,#function
.size gcm_gmult_4bit,(.-gcm_gmult_4bit)
.asciz "GHASH for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
.align 4
___
$code =~ s/\`([^\`]*)\`/eval $1/gem;

1
crypto/sha/asm/sha1-sparcv9.pl
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@ -276,6 +276,7 @@ $code.=<<___;
.type sha1_block_data_order,#function
.size sha1_block_data_order,(.-sha1_block_data_order)
.asciz "SHA1 block transform for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
.align 4
___
$code =~ s/\`([^\`]*)\`/eval $1/gem;

1
crypto/sha/asm/sha1-sparcv9a.pl
View File

@ -539,6 +539,7 @@ $code.=<<___;
.type sha1_block_data_order,#function
.size sha1_block_data_order,(.-sha1_block_data_order)
.asciz "SHA1 block transform for SPARCv9a, CRYPTOGAMS by <appro\@openssl.org>"
.align 4
___
# Purpose of these subroutines is to explicitly encode VIS instructions,

1
crypto/sha/asm/sha512-sparcv9.pl
View File

@ -586,6 +586,7 @@ $code.=<<___;
.type sha${label}_block_data_order,#function
.size sha${label}_block_data_order,(.-sha${label}_block_data_order)
.asciz "SHA${label} block transform for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
.align 4
___
$code =~ s/\`([^\`]*)\`/eval $1/gem;

22
crypto/sparccpuid.S
View File

@ -225,13 +225,33 @@ _sparcv9_rdtick:
xor %o0,%o0,%o0
.word 0x91410000 !rd %tick,%o0
retl
.word 0x93323020 !srlx %o2,32,%o1
.word 0x93323020 !srlx %o0,32,%o1
.notick:
retl
xor %o1,%o1,%o1
.type _sparcv9_rdtick,#function
.size _sparcv9_rdtick,.-_sparcv9_rdtick
.global _sparcv9_rdwrasi
.align 8
_sparcv9_rdwrasi:
.word 0x9340c000 !rd %asi,%o1
.word 0x87820000 !wr %o0,%g0,%asi
retl
mov %o1,%o0
.type _sparcv9_rdwrasi,#function
.size _sparcv9_rdwrasi,.-_sparcv9_rdwrasi
.global _sparcv9_vis1_probe
.align 8
_sparcv9_vis1_probe:
.word 0x81b00c20 !fzeros %f0
.word 0xc19ba002+BIAS !ldda [%sp+BIAS+2]%asi,%f0
retl
nop
.type _sparcv9_vis1_probe,#function
.size _sparcv9_vis1_probe,.-_sparcv9_vis1_probe
.global OPENSSL_cleanse
.align 32
OPENSSL_cleanse:

65
crypto/sparcv9cap.c
View File

@ -1,6 +1,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <signal.h>
#include <sys/time.h>
#include <openssl/bn.h>
@ -9,6 +11,7 @@
#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)
@ -23,10 +26,12 @@ int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_U
return bn_mul_mont_int(rp,ap,bp,np,n0,num);
}
unsigned long _sparcv9_rdtick(void);
unsigned long _sparcv9_rdwrasi(unsigned long);
void _sparcv9_vis1_probe(void);
unsigned long OPENSSL_rdtsc(void)
{
unsigned long _sparcv9_rdtick(void);
if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
return gethrtime();
@ -137,9 +142,16 @@ void OPENSSL_cpuid_setup(void)
#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;
unsigned long oasi;
int sig;
if ((e=getenv("OPENSSL_sparcv9cap")))
{
@ -149,6 +161,55 @@ void OPENSSL_cpuid_setup(void)
/* For now we assume that the rest supports UltraSPARC-I* only */
OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
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 */
oasi = _sparcv9_rdwrasi(0xD2); /* ASI_FL16_P */
if ((sig=sigsetjmp(common_jmp,0)) == 0)
{
_sparcv9_vis1_probe();
OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
}
else if (sig == SIGBUS) /* T1 fails 16-bit ldda */
{
OPENSSL_sparcv9cap_P &= ~SPARCV9_PREFER_FPU;
}
else
{
OPENSSL_sparcv9cap_P &= ~SPARCV9_VIS1;
}
_sparcv9_rdwrasi(oasi);
sigaction(SIGBUS,&bus_oact,NULL);
sigaction(SIGILL,&ill_oact,NULL);
sigaction(SIGILL,&common_act,&ill_oact);
if (sigsetjmp(common_jmp,0) == 0)
{
_sparcv9_rdtick();
OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
}
else
{
OPENSSL_sparcv9cap_P |= SPARCV9_TICK_PRIVILEGED;
}
sigaction(SIGILL,&ill_oact,NULL);
sigprocmask(SIG_SETMASK,&oset,NULL);
}
#endif