Linux v2.6.13-rc3
[pohmelfs.git] / include / asm-arm / arch-l7200 / entry-macro.S
blob8b6342dc4be2aaee619483e76e0bbcbfc62cd641
1 /*
2  * include/asm-arm/arch-l7200/entry-macro.S
3  *
4  * Low-level IRQ helper macros for L7200-based platforms
5  *
6  * This file is licensed under  the terms of the GNU General Public
7  * License version 2. This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10 #include <asm/hardware.h>
12                 .equ    irq_base_addr,  IO_BASE_2
14                 .macro  disable_fiq
15                 .endm
17                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
18                 mov     \irqstat, #irq_base_addr                @ Virt addr IRQ regs
19                 add     \irqstat, \irqstat, #0x00001000         @ Status reg
20                 ldr     \irqstat, [\irqstat, #0]                @ get interrupts
21                 mov     \irqnr, #0
22 1001:           tst     \irqstat, #1
23                 addeq   \irqnr, \irqnr, #1
24                 moveq   \irqstat, \irqstat, lsr #1
25                 tsteq   \irqnr, #32
26                 beq     1001b
27                 teq     \irqnr, #32
28                 .endm