Commit | Line | Data |
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5f97f7f9 HS |
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 |