From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/alpha/lib/copy_page.S | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 arch/alpha/lib/copy_page.S

(limited to 'arch/alpha/lib/copy_page.S')

diff --git a/arch/alpha/lib/copy_page.S b/arch/alpha/lib/copy_page.S
new file mode 100644
index 00000000..9f3b9745
--- /dev/null
+++ b/arch/alpha/lib/copy_page.S
@@ -0,0 +1,49 @@
+/*
+ * arch/alpha/lib/copy_page.S
+ *
+ * Copy an entire page.
+ */
+
+	.text
+	.align 4
+	.global copy_page
+	.ent copy_page
+copy_page:
+	.prologue 0
+
+	lda	$18,128
+	nop
+	unop
+	nop
+
+1:	ldq	$0,0($17)
+	ldq	$1,8($17)
+	ldq	$2,16($17)
+	ldq	$3,24($17)
+
+	ldq	$4,32($17)
+	ldq	$5,40($17)
+	ldq	$6,48($17)
+	ldq	$7,56($17)
+
+	stq	$0,0($16)
+	subq	$18,1,$18
+	stq	$1,8($16)
+	addq	$17,64,$17
+
+	stq	$2,16($16)
+	stq	$3,24($16)
+	stq	$4,32($16)
+	stq	$5,40($16)
+
+	stq	$6,48($16)
+	stq	$7,56($16)
+	addq	$16,64,$16
+	bne	$18, 1b
+
+	ret
+	nop
+	unop
+	nop
+
+	.end copy_page
-- 
cgit v1.2.3