26 строки
499 B
ArmAsm
26 строки
499 B
ArmAsm
/*
|
|
* 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
|