| /* |
| * 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 |