| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 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 |
| 18 | clear_page: |
| 19 | sub r9, r12, -PAGE_SIZE |
| 20 | mov r10, 0 |
| 21 | mov r11, 0 |
| 22 | 0: st.d r12++, r10 |
| 23 | cp r12, r9 |
| 24 | brne 0b |
| 25 | mov pc, lr |