diff options
Diffstat (limited to 'target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S')
| -rw-r--r-- | target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S new file mode 100644 index 0000000000..cdb45c3e16 --- /dev/null +++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S @@ -0,0 +1,51 @@ +/* + * Generic interrupt handler for Broadcom MIPS boards + * + * Copyright 2004, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * + * $Id: int-handler.S,v 1.1 2005/03/16 13:50:00 wbx Exp $ + */ + +#include <linux/config.h> + +#include <asm/asm.h> +#include <asm/mipsregs.h> +#include <asm/regdef.h> +#include <asm/stackframe.h> + +/* + * MIPS IRQ Source + * -------- ------ + * 0 Software (ignored) + * 1 Software (ignored) + * 2 Combined hardware interrupt (hw0) + * 3 Hardware + * 4 Hardware + * 5 Hardware + * 6 Hardware + * 7 R4k timer + */ + + .text + .set noreorder + .set noat + .align 5 + NESTED(brcmIRQ, PT_SIZE, sp) + SAVE_ALL + CLI + .set at + .set noreorder + + jal brcm_irq_dispatch + move a0, sp + + j ret_from_irq + nop + + END(brcmIRQ) |