| /***************************************************************************/ | |
| /* | |
| * vectors.c -- high level trap setup for ColdFire | |
| * | |
| * Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com> | |
| */ | |
| /***************************************************************************/ | |
| #include <linux/kernel.h> | |
| #include <linux/init.h> | |
| #include <linux/irq.h> | |
| #include <asm/traps.h> | |
| #include <asm/machdep.h> | |
| #include <asm/coldfire.h> | |
| #include <asm/mcfsim.h> | |
| #include <asm/mcfwdebug.h> | |
| /***************************************************************************/ | |
| #ifdef TRAP_DBG_INTERRUPT | |
| asmlinkage void dbginterrupt_c(struct frame *fp) | |
| { | |
| extern void dump(struct pt_regs *fp); | |
| printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__); | |
| dump((struct pt_regs *) fp); | |
| asm("halt"); | |
| } | |
| #endif | |
| /***************************************************************************/ | |
| /* Assembler routines */ | |
| asmlinkage void buserr(void); | |
| asmlinkage void trap(void); | |
| asmlinkage void system_call(void); | |
| asmlinkage void inthandler(void); | |
| void __init trap_init(void) | |
| { | |
| int i; | |
| /* | |
| * There is a common trap handler and common interrupt | |
| * handler that handle almost every vector. We treat | |
| * the system call and bus error special, they get their | |
| * own first level handlers. | |
| */ | |
| for (i = 3; (i <= 23); i++) | |
| _ramvec[i] = trap; | |
| for (i = 33; (i <= 63); i++) | |
| _ramvec[i] = trap; | |
| for (i = 24; (i <= 31); i++) | |
| _ramvec[i] = inthandler; | |
| for (i = 64; (i < 255); i++) | |
| _ramvec[i] = inthandler; | |
| _ramvec[255] = 0; | |
| _ramvec[2] = buserr; | |
| _ramvec[32] = system_call; | |
| #ifdef TRAP_DBG_INTERRUPT | |
| _ramvec[12] = dbginterrupt; | |
| #endif | |
| } | |
| /***************************************************************************/ |