| /* | |
| * include/asm-arm/arch-ebsa110/entry-macro.S | |
| * | |
| * Low-level IRQ helper macros for ebsa110 platform. | |
| * | |
| * 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. | |
| */ | |
| #define IRQ_STAT 0xff000000 /* read */ | |
| .macro disable_fiq | |
| .endm | |
| .macro get_irqnr_preamble, base, tmp | |
| mov \base, #IRQ_STAT | |
| .endm | |
| .macro arch_ret_to_user, tmp1, tmp2 | |
| .endm | |
| .macro get_irqnr_and_base, irqnr, stat, base, tmp | |
| ldrb \stat, [\base] @ get interrupts | |
| mov \irqnr, #0 | |
| tst \stat, #15 | |
| addeq \irqnr, \irqnr, #4 | |
| moveq \stat, \stat, lsr #4 | |
| tst \stat, #3 | |
| addeq \irqnr, \irqnr, #2 | |
| moveq \stat, \stat, lsr #2 | |
| tst \stat, #1 | |
| addeq \irqnr, \irqnr, #1 | |
| moveq \stat, \stat, lsr #1 | |
| tst \stat, #1 @ bit 0 should be set | |
| .endm | |