1// SPDX-License-Identifier: GPL-2.0
 2/***************************************************************************/
 3
 4/*
 5 *	vectors.c  -- high level trap setup for ColdFire
 6 *
 7 *	Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
 8 */
 9
10/***************************************************************************/
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/irq.h>
15#include <linux/cpu.h>
16#include <asm/traps.h>
17#include <asm/machdep.h>
18#include <asm/coldfire.h>
19#include <asm/mcfsim.h>
20#include <asm/mcfwdebug.h>
21
22/***************************************************************************/
23
24#ifdef TRAP_DBG_INTERRUPT
25
26asmlinkage void dbginterrupt_c(struct frame *fp)
27{
28	extern void dump(struct pt_regs *fp);
29	printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
30	dump((struct pt_regs *) fp);
31	asm("halt");
32}
33
34#endif
35
36/***************************************************************************/
37
38/* Assembler routines */
39asmlinkage void buserr(void);
40asmlinkage void trap(void);
41asmlinkage void system_call(void);
42asmlinkage void inthandler(void);
43
44void __init trap_init(void)
45{
46	int i;
47
48	/*
49	 *	There is a common trap handler and common interrupt
50	 *	handler that handle almost every vector. We treat
51	 *	the system call and bus error special, they get their
52	 *	own first level handlers.
53	 */
54	for (i = 3; (i <= 23); i++)
55		_ramvec[i] = trap;
56	for (i = 33; (i <= 63); i++)
57		_ramvec[i] = trap;
58	for (i = 24; (i <= 31); i++)
59		_ramvec[i] = inthandler;
60	for (i = 64; (i < 255); i++)
61		_ramvec[i] = inthandler;
62	_ramvec[255] = 0;
63
64	_ramvec[2] = buserr;
65	_ramvec[32] = system_call;
66
67#ifdef TRAP_DBG_INTERRUPT
68	_ramvec[12] = dbginterrupt;
69#endif
70}
71
72/***************************************************************************/

 
 1/***************************************************************************/
 2
 3/*
 4 *	vectors.c  -- high level trap setup for ColdFire
 5 *
 6 *	Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
 7 */
 8
 9/***************************************************************************/
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/irq.h>
 
14#include <asm/traps.h>
15#include <asm/machdep.h>
16#include <asm/coldfire.h>
17#include <asm/mcfsim.h>
18#include <asm/mcfwdebug.h>
19
20/***************************************************************************/
21
22#ifdef TRAP_DBG_INTERRUPT
23
24asmlinkage void dbginterrupt_c(struct frame *fp)
25{
26	extern void dump(struct pt_regs *fp);
27	printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
28	dump((struct pt_regs *) fp);
29	asm("halt");
30}
31
32#endif
33
34/***************************************************************************/
35
36/* Assembler routines */
37asmlinkage void buserr(void);
38asmlinkage void trap(void);
39asmlinkage void system_call(void);
40asmlinkage void inthandler(void);
41
42void __init trap_init(void)
43{
44	int i;
45
46	/*
47	 *	There is a common trap handler and common interrupt
48	 *	handler that handle almost every vector. We treat
49	 *	the system call and bus error special, they get their
50	 *	own first level handlers.
51	 */
52	for (i = 3; (i <= 23); i++)
53		_ramvec[i] = trap;
54	for (i = 33; (i <= 63); i++)
55		_ramvec[i] = trap;
56	for (i = 24; (i <= 31); i++)
57		_ramvec[i] = inthandler;
58	for (i = 64; (i < 255); i++)
59		_ramvec[i] = inthandler;
60	_ramvec[255] = 0;
61
62	_ramvec[2] = buserr;
63	_ramvec[32] = system_call;
64
65#ifdef TRAP_DBG_INTERRUPT
66	_ramvec[12] = dbginterrupt;
67#endif
68}
69
70/***************************************************************************/