1 // SPDX-License-Identifier: GPL-2.0
2 /***************************************************************************/
5 * vectors.c -- high level trap setup for ColdFire
7 * Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
10 /***************************************************************************/
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/irq.h>
15 #include <asm/traps.h>
16 #include <asm/machdep.h>
17 #include <asm/coldfire.h>
18 #include <asm/mcfsim.h>
19 #include <asm/mcfwdebug.h>
23 /***************************************************************************/
25 #ifdef TRAP_DBG_INTERRUPT
27 asmlinkage void dbginterrupt_c(struct frame *fp)
29 extern void dump(struct pt_regs *fp);
30 printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
31 dump((struct pt_regs *) fp);
37 /***************************************************************************/
39 /* Assembler routines */
40 asmlinkage void buserr(void);
41 asmlinkage void trap(void);
42 asmlinkage void system_call(void);
43 asmlinkage void inthandler(void);
45 void __init trap_init(void)
50 * There is a common trap handler and common interrupt
51 * handler that handle almost every vector. We treat
52 * the system call and bus error special, they get their
53 * own first level handlers.
55 for (i = 3; (i <= 23); i++)
57 for (i = 33; (i <= 63); i++)
59 for (i = 24; (i <= 31); i++)
60 _ramvec[i] = inthandler;
61 for (i = 64; (i < 255); i++)
62 _ramvec[i] = inthandler;
66 _ramvec[32] = system_call;
68 #ifdef TRAP_DBG_INTERRUPT
69 _ramvec[12] = dbginterrupt;
73 /***************************************************************************/