| /* | |
| * 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_preamble, base, tmp | |
| .endm | |
| .macro arch_ret_to_user, tmp1, tmp2 | |
| .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 |