[MIPS] Hook for platforms to define cachability of /dev/mem regions
[linux-2.6] / arch / avr32 / mm / copy_page.S
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
20 copy_page:
21         sub     r10, r11, -(1 << PAGE_SHIFT)
22         /* pref r11[0] */
23 1:      /* pref r11[8] */
24         ld.d    r8, r11++
25         st.d    r12++, r8
26         cp      r11, r10
27         brlo    1b
28         mov     pc, lr