This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / avr32 / mm / copy_page.S

diff --git a/arch/avr32/mm/copy_page.S b/arch/avr32/mm/copy_page.S
new file mode 100644 (file)
index 0000000..c2b3752
--- /dev/null
+++ b/arch/avr32/mm/copy_page.S
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/page.h>
+
+/*
+ * copy_page
+ *
+ * r12         to (P1 address)
+ * r11         from (P1 address)
+ * r8-r10      scratch
+ */
+       .text
+       .global copy_page
+copy_page:
+       sub     r10, r11, -(1 << PAGE_SHIFT)
+       /* pref r11[0] */
+1:     /* pref r11[8] */
+       ld.d    r8, r11++
+       st.d    r12++, r8
+       cp      r11, r10
+       brlo    1b
+       mov     pc, lr