// SPDX-License-Identifier: GPL-2.0 /***************************************************************************/ /* * 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> #include "vectors.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 } /***************************************************************************/