| /* |
| * arch/arm/mach-l7200/include/mach/entry-macro.S |
| * |
| * Low-level IRQ helper macros for L7200-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. |
| */ |
| #include <mach/hardware.h> |
| |
| .equ irq_base_addr, IO_BASE_2 |
| |
| .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 \irqstat, #irq_base_addr @ Virt addr IRQ regs |
| add \irqstat, \irqstat, #0x00001000 @ Status reg |
| ldr \irqstat, [\irqstat, #0] @ get interrupts |
| mov \irqnr, #0 |
| 1001: tst \irqstat, #1 |
| addeq \irqnr, \irqnr, #1 |
| moveq \irqstat, \irqstat, lsr #1 |
| tsteq \irqnr, #32 |
| beq 1001b |
| teq \irqnr, #32 |
| .endm |
| |
