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/*
* arch/arm/mach-ks8695/include/mach/entry-macro.S
*
* Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
* Copyright (C) 2006 Simtec Electronics
*
* Low-level IRQ helper macros for KS8695
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <mach/hardware.h>
#include <mach/regs-irq.h>
.macro get_irqnr_preamble, base, tmp
ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register
teq \irqstat, #0
beq 1001f
mov \irqnr, #0
tst \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tsteq \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tsteq \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tst \irqstat, #0x0f
moveq \irqstat, \irqstat, lsr #4
addeq \irqnr, \irqnr, #4
tst \irqstat, #0x03
moveq \irqstat, \irqstat, lsr #2
addeq \irqnr, \irqnr, #2
tst \irqstat, #0x01
addseq \irqnr, \irqnr, #1
1001:
.endm
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