diff options
Diffstat (limited to 'arch/avr32/mm/clear_page.S')
| -rw-r--r-- | arch/avr32/mm/clear_page.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/avr32/mm/clear_page.S b/arch/avr32/mm/clear_page.S new file mode 100644 index 000000000000..5d70dca00699 --- /dev/null +++ b/arch/avr32/mm/clear_page.S @@ -0,0 +1,25 @@ +/* + * 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> + +/* + * clear_page + * r12: P1 address (to) + */ + .text + .global clear_page +clear_page: + sub r9, r12, -PAGE_SIZE + mov r10, 0 + mov r11, 0 +0: st.d r12++, r10 + cp r12, r9 + brne 0b + mov pc, lr |