33 lines
736 B
ArmAsm
33 lines
736 B
ArmAsm
|
/*
|
||
|
|
* linux/arch/arm/lib/floppydma.S
|
||
|
|
*
|
||
|
|
* Copyright (C) 1995, 1996 Russell King
|
||
|
|
*
|
||
|
|
* 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/assembler.h>
|
||
|
|
.text
|
||
|
|
|
||
|
|
.global floppy_fiqin_end
|
||
|
|
ENTRY(floppy_fiqin_start)
|
||
|
|
subs r9, r9, #1
|
||
|
|
ldrgtb r12, [r11, #-4]
|
||
|
|
ldrleb r12, [r11], #0
|
||
|
|
strb r12, [r10], #1
|
||
|
|
subs pc, lr, #4
|
||
|
|
floppy_fiqin_end:
|
||
|
|
|
||
|
|
.global floppy_fiqout_end
|
||
|
|
ENTRY(floppy_fiqout_start)
|
||
|
|
subs r9, r9, #1
|
||
|
|
ldrgeb r12, [r10], #1
|
||
|
|
movlt r12, #0
|
||
|
|
strleb r12, [r11], #0
|
||
|
|
subles pc, lr, #4
|
||
|
|
strb r12, [r11, #-4]
|
||
|
|
subs pc, lr, #4
|
||
|
|
floppy_fiqout_end:
|