blob: c8fb34469007952ac377eb7a7c0114e38b8b90b9 [file] [log] [blame]
* arch/arm/mach-aaec2000/include/mach/entry-macro.S
* Low-level IRQ helper for aaec-2000 based platforms
* Copyright (c) 2005 Nicolas Bellido Y Ortega
* 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 <mach/irqs.h>
.macro disable_fiq
.macro get_irqnr_preamble, base, tmp
.macro arch_ret_to_user, tmp1, tmp2
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
mov r4, #0xf8000000
add r4, r4, #0x00000500
mov \base, r4
ldr \irqstat, [\base, #0]
cmp \irqstat, #0
bne 1001f
ldr \irqnr, =NR_IRQS+1
b 1003f
1001: mov \irqnr, #0
1002: ands \tmp, \irqstat, #1
mov \irqstat, \irqstat, LSR #1
add \irqnr, \irqnr, #1
beq 1002b
sub \irqnr, \irqnr, #1