71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
|
/***************************************************************************/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* linux/arch/m68knommu/platform/coldfire/vectors.c
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
}
|
||
|
|
|
||
|
|
/***************************************************************************/
|