Commit 81eae077 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

crpyto/ppccpuid.pl: add FPU probe and fix OPENSSL_rdtsc. 



Reviewed-by: default avatarKurt Roeckx <kurt@openssl.org>
parent 2688d999

crypto/ppccpuid.pl

+19 −0
Original line number Diff line number Diff line
@@ -23,6 +23,14 @@ $code=<<___; 
.machine	"any"

.text



.globl	.OPENSSL_fpu_probe

.align	4

.OPENSSL_fpu_probe:

	fmr	f0,f0

	blr

	.long	0

	.byte	0,12,0x14,0,0,0,0,0

.size	.OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe

.globl	.OPENSSL_ppc64_probe

.align	4

.OPENSSL_ppc64_probe:
@@ -102,8 +110,19 @@ Ladd: lwarx r5,0,r3 
.globl	.OPENSSL_rdtsc

.align	4

.OPENSSL_rdtsc:

___

$code.=<<___	if ($flavour =~ /64/);

	mftb	r3

___

$code.=<<___	if ($flavour !~ /64/);

Loop_rdtsc:

	mftbu	r5

	mftb	r3

	mftbu	r4

	cmplw	r4,r5

	bne	Loop_rdtsc

___

$code.=<<___;

	blr

	.long	0

	.byte	0,12,0x14,0,0,0,0,0