X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=crypto%2Fppccpuid.pl;h=9f2d96c7093a592cc759e9309ad380fc30896e42;hb=92821996de4a381635f5d048345c3b0f8fe9a30b;hp=50d989e193d887c6a72a3c09e2a5b94ca4b2abaf;hpb=9c9c83ccb9a9e76d9861b0da185b1a96fb54395a;p=openssl.git

diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl
index 50d989e193..9f2d96c709 100755
--- a/crypto/ppccpuid.pl
+++ b/crypto/ppccpuid.pl
@@ -1,16 +1,15 @@
 #!/usr/bin/env perl
 
-$output = shift;
+$flavour = shift;
 
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
 ( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
 die "can't locate ppc-xlate.pl";
 
-( defined shift || open STDOUT,"| $^X $xlate $output" ) ||
-	die "can't call $xlate: $!";
+open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
 
-if ($output=~/64/) {
+if ($flavour=~/64/) {
     $CMPLI="cmpldi";
     $SHRLI="srdi";
     $SIGNX="extsw";
@@ -21,38 +20,70 @@ if ($output=~/64/) {
 }
 
 $code=<<___;
+.machine	"any"
 .text
 
-.globl	.OPENSSL_cpuid_setup
+.globl	.OPENSSL_ppc64_probe
 .align	4
-.OPENSSL_cpuid_setup:
+.OPENSSL_ppc64_probe:
+	fcfid	f1,f1
+	extrdi	r0,r0,32,0
 	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,0,0
+
+.globl	.OPENSSL_altivec_probe
+.align	4
+.OPENSSL_altivec_probe:
+	.long	0x10000484	# vor	v0,v0,v0
+	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,0,0
 
 .globl	.OPENSSL_wipe_cpu
 .align	4
 .OPENSSL_wipe_cpu:
 	xor	r0,r0,r0
+	fmr	f0,f31
+	fmr	f1,f31
+	fmr	f2,f31
 	mr	r3,r1
+	fmr	f3,f31
 	xor	r4,r4,r4
+	fmr	f4,f31
 	xor	r5,r5,r5
+	fmr	f5,f31
 	xor	r6,r6,r6
+	fmr	f6,f31
 	xor	r7,r7,r7
+	fmr	f7,f31
 	xor	r8,r8,r8
+	fmr	f8,f31
 	xor	r9,r9,r9
+	fmr	f9,f31
 	xor	r10,r10,r10
+	fmr	f10,f31
 	xor	r11,r11,r11
+	fmr	f11,f31
 	xor	r12,r12,r12
+	fmr	f12,f31
+	fmr	f13,f31
 	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,0,0
 
 .globl	.OPENSSL_atomic_add
 .align	4
 .OPENSSL_atomic_add:
-Loop:	lwarx	r5,0,r3
+Ladd:	lwarx	r5,0,r3
 	add	r0,r4,r5
 	stwcx.	r0,0,r3
-	bne-	Loop
+	bne-	Ladd
 	$SIGNX	r3,r0
 	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,2,0
+	.long	0
 
 .globl	.OPENSSL_rdtsc
 .align	4
@@ -60,6 +91,8 @@ Loop:	lwarx	r5,0,r3
 	mftb	r3
 	mftbu	r4
 	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,0,0
 
 .globl	.OPENSSL_cleanse
 .align	4
@@ -67,10 +100,12 @@ Loop:	lwarx	r5,0,r3
 	$CMPLI	r4,7
 	li	r0,0
 	bge	Lot
+	$CMPLI	r4,0
+	beqlr-
 Little:	mtctr	r4
 	stb	r0,0(r3)
 	addi	r3,r3,1
-	bdnz-	.-8
+	bdnz	\$-8
 	blr
 Lot:	andi.	r5,r3,3
 	beq	Laligned
@@ -83,11 +118,103 @@ Laligned:
 	mtctr	r5
 	stw	r0,0(r3)
 	addi	r3,r3,4
-	bdnz-	.-8
+	bdnz	\$-8
 	andi.	r4,r4,3
 	bne	Little
 	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,2,0
+	.long	0
 ___
+{
+my ($out,$cnt,$max)=("r3","r4","r5");
+my ($tick,$lasttick)=("r6","r7");
+my ($diff,$lastdiff)=("r8","r9");
+
+$code.=<<___;
+.globl	.OPENSSL_instrument_bus
+.align	4
+.OPENSSL_instrument_bus:
+	mtctr	$cnt
+
+	mftb	$lasttick		# collect 1st tick
+	li	$diff,0
+
+	dcbf	0,$out			# flush cache line
+	lwarx	$tick,0,$out		# load and lock
+	add	$tick,$tick,$diff
+	stwcx.	$tick,0,$out
+	stwx	$tick,0,$out
+
+Loop:	mftb	$tick
+	sub	$diff,$tick,$lasttick
+	mr	$lasttick,$tick
+	dcbf	0,$out			# flush cache line
+	lwarx	$tick,0,$out		# load and lock
+	add	$tick,$tick,$diff
+	stwcx.	$tick,0,$out
+	stwx	$tick,0,$out
+	addi	$out,$out,4		# ++$out
+	bdnz	Loop
+
+	mr	r3,$cnt
+	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,2,0
+	.long	0
+
+.globl	.OPENSSL_instrument_bus2
+.align	4
+.OPENSSL_instrument_bus2:
+	mr	r0,$cnt
+	slwi	$cnt,$cnt,2
+
+	mftb	$lasttick		# collect 1st tick
+	li	$diff,0
+
+	dcbf	0,$out			# flush cache line
+	lwarx	$tick,0,$out		# load and lock
+	add	$tick,$tick,$diff
+	stwcx.	$tick,0,$out
+	stwx	$tick,0,$out
+
+	mftb	$tick			# collect 1st diff
+	sub	$diff,$tick,$lasttick
+	mr	$lasttick,$tick
+	mr	$lastdiff,$diff
+Loop2:
+	dcbf	0,$out			# flush cache line
+	lwarx	$tick,0,$out		# load and lock
+	add	$tick,$tick,$diff
+	stwcx.	$tick,0,$out
+	stwx	$tick,0,$out
+
+	addic.	$max,$max,-1
+	beq	Ldone2
+
+	mftb	$tick
+	sub	$diff,$tick,$lasttick
+	mr	$lasttick,$tick
+	cmplw	7,$diff,$lastdiff
+	mr	$lastdiff,$diff
+
+	mfcr	$tick			# pull cr
+	not	$tick,$tick		# flip bits
+	rlwinm	$tick,$tick,1,29,29	# isolate flipped eq bit and scale
+
+	sub.	$cnt,$cnt,$tick		# conditional --$cnt
+	add	$out,$out,$tick		# conditional ++$out
+	bne	Loop2
+
+Ldone2:
+	srwi	$cnt,$cnt,2
+	sub	r3,r0,$cnt
+	blr
+	.long	0
+	.byte	0,12,0x14,0,0,0,3,0
+	.long	0
+___
+}
 
 $code =~ s/\`([^\`]*)\`/eval $1/gem;
 print $code;