diff options
Diffstat (limited to 'include/asm-arm/arch-ks8695/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-ks8695/entry-macro.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ks8695/entry-macro.S b/include/asm-arm/arch-ks8695/entry-macro.S new file mode 100644 index 0000000..e34bdf8 --- /dev/null +++ b/include/asm-arm/arch-ks8695/entry-macro.S @@ -0,0 +1,53 @@ +/* + * include/asm-arm/arch-ks8695/entry-macro.S + * + * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> + * Copyright (C) 2006 Simtec Electronics + * + * Low-level IRQ helper macros for KS8695 + * + * 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 <asm/hardware.h> +#include <asm/arch/regs-irq.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register + + teq \irqstat, #0 + beq 1001f + + mov \irqnr, #0 + + 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 |
