| /* | |
| * include/asm-arm/arch-sa1100/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 disable_fiq | |
| .endm | |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | |
| mov r4, #0xfa000000 @ ICIP = 0xfa050000 | |
| add r4, r4, #0x00050000 | |
| ldr \irqstat, [r4] @ get irqs | |
| ldr \irqnr, [r4, #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 | |