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-rw-r--r--arch/avr32/mm/copy_page.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/avr32/mm/copy_page.S b/arch/avr32/mm/copy_page.S
new file mode 100644
index 000000000000..c2b3752946b8
--- /dev/null
+++ b/arch/avr32/mm/copy_page.S
@@ -0,0 +1,28 @@
1/*
2 * Copyright (C) 2004-2006 Atmel Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#include <linux/linkage.h>
9#include <asm/page.h>
10
11/*
12 * copy_page
13 *
14 * r12 to (P1 address)
15 * r11 from (P1 address)
16 * r8-r10 scratch
17 */
18 .text
19 .global copy_page
20copy_page:
21 sub r10, r11, -(1 << PAGE_SHIFT)
22 /* pref r11[0] */
231: /* pref r11[8] */
24 ld.d r8, r11++
25 st.d r12++, r8
26 cp r11, r10
27 brlo 1b
28 mov pc, lr