| /* |
| * linux/include/asm-arm/arch-aaec2000/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 <asm/arch/irqs.h> |
| |
| .macro disable_fiq |
| .endm |
| |
| .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 |
| 1003: |
| .endm |
