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/*
* arch/arm/mach-sa1100/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for SA1100-based platforms
*
* 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.
*/
.macro get_irqnr_preamble, base, tmp
mov \base, #0xfa000000 @ ICIP = 0xfa050000
add \base, \base, #0x00050000
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
ldr \irqstat, [\base] @ get irqs
ldr \irqnr, [\base, #4] @ ICMR = 0xfa050004
ands \irqstat, \irqstat, \irqnr
mov \irqnr, #0
beq 1001f
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
addeqs \irqnr, \irqnr, #1
1001:
.endm
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