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-rw-r--r--arch/avr32/mm/clear_page.S25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/avr32/mm/clear_page.S b/arch/avr32/mm/clear_page.S
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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
9#include <linux/linkage.h>
10#include <asm/page.h>
11
12/*
13 * clear_page
14 * r12: P1 address (to)
15 */
16 .text
17 .global clear_page
18clear_page:
19 sub r9, r12, -PAGE_SIZE
20 mov r10, 0
21 mov r11, 0
220: st.d r12++, r10
23 cp r12, r9
24 brne 0b
25 mov pc, lr