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sparcv9cap.c: add Fujitsu SPARC64 X AES capability detection.

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Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2016-04-19 13:08:47 +02:00
parent fb65020b37
commit 4400f6c61e
3 changed files with 20 additions and 5 deletions
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1
crypto/sparc_arch.h
View file

@ -10,6 +10,7 @@
# define SPARCV9_VIS3 (1<<6)
# define SPARCV9_RANDOM (1<<7)
# define SPARCV9_64BIT_STACK (1<<8)
# define SPARCV9_FJAESX (1<<9)/* Fujitsu SPARC64 X AES */
/*
* OPENSSL_sparcv9cap_P[1] is copy of Compatibility Feature Register,

8
crypto/sparccpuid.S
View file

@ -349,6 +349,14 @@ _sparcv9_random:
.type _sparcv9_random,#function
.size _sparcv9_random,.-_sparcv9_vis3_probe
.global _sparcv9_fjaesx_probe
.align 8
_sparcv9_fjaesx_probe:
.word 0x81b09206 !faesencx %f2,%f6,%f0
retl
nop
.size _sparcv9_fjaesx_probe,.-_sparcv9_fjaesx_probe
.global OPENSSL_cleanse
.align 32
OPENSSL_cleanse:

16
crypto/sparcv9cap.c
View file

@ -149,11 +149,12 @@ void OPENSSL_cpuid_setup(void)
unsigned int vec[1];
if (getisax (vec,1)) {
if (vec[0]&0x0020) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1;
if (vec[0]&0x0040) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
if (vec[0]&0x0080) OPENSSL_sparcv9cap_P[0] |= SPARCV9_BLK;
if (vec[0]&0x0100) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
if (vec[0]&0x0400) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
if (vec[0]&0x0020) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1;
if (vec[0]&0x0040) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
if (vec[0]&0x0080) OPENSSL_sparcv9cap_P[0] |= SPARCV9_BLK;
if (vec[0]&0x0100) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
if (vec[0]&0x0400) OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
if (vec[0]&0x10000) OPENSSL_sparcv9cap_P[0] |= SPARCV9_FJAESX;
/* reconstruct %cfr copy */
OPENSSL_sparcv9cap_P[1] = (vec[0]>>17)&0x3ff;
@ -233,6 +234,11 @@ void OPENSSL_cpuid_setup(void)
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