rockbox/utils/hwstub/stub/asm/mips/atomic_rw.S
Amaury Pouly 2cdfc43f10 hwstub: implement read/write data abort recovery
Change-Id: I1625873b6864584c40984723d82548ad242ee08e
2015-01-13 23:35:33 +01:00

61 lines
1.7 KiB
ArmAsm

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2014 by Marcin Bukat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "mips.h"
.set noreorder
.section .icode, "ax", %progbits
.global target_read8
.type target_read8, %function
.global target_read16
.type target_read16, %function
.global target_read32
.type target_read32, %function
.global target_write8
.type target_write8, %function
.global target_write16
.type target_write16, %function
.global target_write32
.type target_write32, %function
target_read8:
jr ra
lbu v0, 0(a0)
target_read16:
jr ra
lhu v0, 0(a0)
target_read32:
jr ra
lw v0, 0(a0)
target_write8:
jr ra
sb a1, 0(a0)
target_write16:
jr ra
sh a1, 0(a0)
target_write32:
jr ra
sw a1, 0(a0)
.set reorder