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PPC assebmly pack: initial POWER9 support tidbits.

Browse source 
Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2016-04-12 00:09:47 +02:00
parent b9077d85b0
commit e0e532823f
4 changed files with 39 additions and 0 deletions
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15
crypto/perlasm/ppc-xlate.pl
View file

@ -207,6 +207,21 @@ my $mtsle = sub {
" .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2);
};
# PowerISA 3.0 stuff
my $maddhdu = sub {
my ($f, $rt, $ra, $rb, $rc) = @_;
" .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|49;
};
my $maddld = sub {
my ($f, $rt, $ra, $rb, $rc) = @_;
" .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|51;
};
my $darn = sub {
my ($f, $rt, $l) = @_;
" .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($l<<16)|(755<<1);
};
while($line=<>) {
$line =~ s|[#!;].*$||; # get rid of asm-style comments...

1
crypto/ppc_arch.h
View file

@ -12,5 +12,6 @@ extern unsigned int OPENSSL_ppccap_P;
# define PPC_ALTIVEC (1<<1)
# define PPC_CRYPTO207 (1<<2)
# define PPC_FPU (1<<3)
# define PPC_MADD300 (1<<4)
#endif

13
crypto/ppccap.c
View file

@ -151,6 +151,7 @@ static unsigned long (*getauxval) (unsigned long) = NULL;
#define HWCAP2 26 /* AT_HWCAP2 */
#define HWCAP_VEC_CRYPTO (1U << 25)
#define HWCAP_ARCH_3_00 (1U << 23)
# if defined(__GNUC__) && __GNUC__>=2
__attribute__ ((constructor))
@ -208,6 +209,9 @@ void OPENSSL_cpuid_setup(void)
if (__power_set(0xffffffffU<<16)) /* POWER8 and later */
OPENSSL_ppccap_P |= PPC_CRYPTO207;
if (__power_set(0xffffffffU<<17)) /* POWER9 and later */
OPENSSL_ppccap_P |= PPC_MADD300;
return;
# endif
#endif
@ -236,6 +240,10 @@ void OPENSSL_cpuid_setup(void)
OPENSSL_ppccap_P |= PPC_CRYPTO207;
}
if (hwcap & HWCAP_ARCH_3_00) {
OPENSSL_ppccap_P |= PPC_MADD300;
}
return;
}
@ -285,6 +293,11 @@ void OPENSSL_cpuid_setup(void)
}
}
if (sigsetjmp(ill_jmp, 1) == 0) {
OPENSSL_madd300_probe();
OPENSSL_ppccap_P |= PPC_MADD300;
}
sigaction(SIGILL, &ill_oact, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);
}

10
crypto/ppccpuid.pl
View file

@ -60,6 +60,16 @@ $code=<<___;
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
.globl .OPENSSL_madd300_probe
.align 4
.OPENSSL_madd300_probe:
xor r0,r0,r0
maddld r3,r0,r0,r0
maddhdu r3,r0,r0,r0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.globl .OPENSSL_wipe_cpu
.align 4
.OPENSSL_wipe_cpu: