mirror of https://gitee.com/openkylin/linux.git
42 lines
1.2 KiB
ArmAsm
42 lines
1.2 KiB
ArmAsm
/*
|
|
* arch/arm/mach-netx/include/mach/entry-macro.S
|
|
*
|
|
* Low-level IRQ helper macros for Hilscher netX based platforms
|
|
*
|
|
* Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#include <mach/hardware.h>
|
|
|
|
.macro disable_fiq
|
|
.endm
|
|
|
|
.macro get_irqnr_preamble, base, tmp
|
|
.endm
|
|
|
|
.macro arch_ret_to_user, tmp1, tmp2
|
|
.endm
|
|
|
|
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
|
mov \base, #io_p2v(0x00100000)
|
|
add \base, \base, #0x000ff000
|
|
|
|
ldr \irqstat, [\base, #0]
|
|
clz \irqnr, \irqstat
|
|
rsb \irqnr, \irqnr, #31
|
|
cmp \irqstat, #0
|
|
.endm
|
|
|