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 <asm/traps.h>
16#include <asm/machdep.h>
17#include <asm/coldfire.h>
18#include <asm/mcfsim.h>
19#include <asm/mcfwdebug.h>
20
21/***************************************************************************/
22
23#ifdef TRAP_DBG_INTERRUPT
24
25asmlinkage void dbginterrupt_c(struct frame *fp)
26{
27	extern void dump(struct pt_regs *fp);
28	printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
29	dump((struct pt_regs *) fp);
30	asm("halt");
31}
32
33#endif
34
35/***************************************************************************/
36
37/* Assembler routines */
38asmlinkage void buserr(void);
39asmlinkage void trap(void);
40asmlinkage void system_call(void);
41asmlinkage void inthandler(void);
42
43void __init trap_init(void)
44{
45	int i;
46
47	/*
48	 *	There is a common trap handler and common interrupt
49	 *	handler that handle almost every vector. We treat
50	 *	the system call and bus error special, they get their
51	 *	own first level handlers.
52	 */
53	for (i = 3; (i <= 23); i++)
54		_ramvec[i] = trap;
55	for (i = 33; (i <= 63); i++)
56		_ramvec[i] = trap;
57	for (i = 24; (i <= 31); i++)
58		_ramvec[i] = inthandler;
59	for (i = 64; (i < 255); i++)
60		_ramvec[i] = inthandler;
61	_ramvec[255] = 0;
62
63	_ramvec[2] = buserr;
64	_ramvec[32] = system_call;
65
66#ifdef TRAP_DBG_INTERRUPT
67	_ramvec[12] = dbginterrupt;
68#endif
69}
70
71/***************************************************************************/

 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 <asm/traps.h>
16#include <asm/machdep.h>
17#include <asm/coldfire.h>
18#include <asm/mcfsim.h>
19#include <asm/mcfwdebug.h>
20
21/***************************************************************************/
22
23#ifdef TRAP_DBG_INTERRUPT
24
25asmlinkage void dbginterrupt_c(struct frame *fp)
26{
27	extern void dump(struct pt_regs *fp);
28	printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
29	dump((struct pt_regs *) fp);
30	asm("halt");
31}
32
33#endif
34
35/***************************************************************************/
36
37/* Assembler routines */
38asmlinkage void buserr(void);
39asmlinkage void trap(void);
40asmlinkage void system_call(void);
41asmlinkage void inthandler(void);
42
43void __init trap_init(void)
44{
45	int i;
46
47	/*
48	 *	There is a common trap handler and common interrupt
49	 *	handler that handle almost every vector. We treat
50	 *	the system call and bus error special, they get their
51	 *	own first level handlers.
52	 */
53	for (i = 3; (i <= 23); i++)
54		_ramvec[i] = trap;
55	for (i = 33; (i <= 63); i++)
56		_ramvec[i] = trap;
57	for (i = 24; (i <= 31); i++)
58		_ramvec[i] = inthandler;
59	for (i = 64; (i < 255); i++)
60		_ramvec[i] = inthandler;
61	_ramvec[255] = 0;
62
63	_ramvec[2] = buserr;
64	_ramvec[32] = system_call;
65
66#ifdef TRAP_DBG_INTERRUPT
67	_ramvec[12] = dbginterrupt;
68#endif
69}
70
71/***************************************************************************/