Throw in ppccpuid module.

1 files changed, 94 insertions, 0 deletions

diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl
new file mode 100755
index 0000000000..50d989e193
--- /dev/null
+++ b/crypto/ppccpuid.pl
@@ -0,0 +1,94 @@
+#!/usr/bin/env perl
+
+$output = 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: $!";
+
+if ($output=~/64/) {
+    $CMPLI="cmpldi";
+    $SHRLI="srdi";
+    $SIGNX="extsw";
+} else {
+    $CMPLI="cmplwi";
+    $SHRLI="srwi";
+    $SIGNX="mr";
+}
+
+$code=<<___;
+.text
+
+.globl	.OPENSSL_cpuid_setup
+.align	4
+.OPENSSL_cpuid_setup:
+	blr
+
+.globl	.OPENSSL_wipe_cpu
+.align	4
+.OPENSSL_wipe_cpu:
+	xor	r0,r0,r0
+	mr	r3,r1
+	xor	r4,r4,r4
+	xor	r5,r5,r5
+	xor	r6,r6,r6
+	xor	r7,r7,r7
+	xor	r8,r8,r8
+	xor	r9,r9,r9
+	xor	r10,r10,r10
+	xor	r11,r11,r11
+	xor	r12,r12,r12
+	blr
+
+.globl	.OPENSSL_atomic_add
+.align	4
+.OPENSSL_atomic_add:
+Loop:	lwarx	r5,0,r3
+	add	r0,r4,r5
+	stwcx.	r0,0,r3
+	bne-	Loop
+	$SIGNX	r3,r0
+	blr
+
+.globl	.OPENSSL_rdtsc
+.align	4
+.OPENSSL_rdtsc:
+	mftb	r3
+	mftbu	r4
+	blr
+
+.globl	.OPENSSL_cleanse
+.align	4
+.OPENSSL_cleanse:
+	$CMPLI	r4,7
+	li	r0,0
+	bge	Lot
+Little:	mtctr	r4
+	stb	r0,0(r3)
+	addi	r3,r3,1
+	bdnz-	.-8
+	blr
+Lot:	andi.	r5,r3,3
+	beq	Laligned
+	stb	r0,0(r3)
+	subi	r4,r4,1
+	addi	r3,r3,1
+	b	Lot
+Laligned:
+	$SHRLI	r5,r4,2
+	mtctr	r5
+	stw	r0,0(r3)
+	addi	r3,r3,4
+	bdnz-	.-8
+	andi.	r4,r4,3
+	bne	Little
+	blr
+___
+
+$code =~ s/\`([^\`]*)\`/eval $1/gem;
+print $code;
+close STDOUT;