WSL2-Linux-Kernel/arch/avr32/mm/clear_page.S

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