mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-10-25 22:41:21 +02:00
bf9e3b38f7
* Patch by Josef Baumgartner, 10 Feb 2004: Fixes for Coldfire port * Patch by Brad Kemp, 11 Feb 2004: Fix CFI flash driver problems
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
|
|
* (C) Copyright 2003
|
|
* Josef Baumgartner <josef.baumgartner@telex.de>
|
|
*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <watchdog.h>
|
|
#include <command.h>
|
|
#include <asm/processor.h>
|
|
|
|
|
|
extern void _exc_handler(void);
|
|
extern void _int_handler(void);
|
|
|
|
static void show_frame(struct pt_regs *fp)
|
|
{
|
|
printf ("Vector Number: %d Format: %02x Fault Status: %01x\n\n", (fp->vector & 0x3fc) >> 2,
|
|
fp->format, (fp->vector & 0x3) | ((fp->vector & 0xc00) >> 8));
|
|
printf ("PC: %08lx SR: %08lx SP: %08lx\n", fp->pc, (long) fp->sr, (long) fp);
|
|
printf ("D0: %08lx D1: %08lx D2: %08lx D3: %08lx\n",
|
|
fp->d0, fp->d1, fp->d2, fp->d3);
|
|
printf ("D4: %08lx D5: %08lx D6: %08lx D7: %08lx\n",
|
|
fp->d4, fp->d5, fp->d6, fp->d7);
|
|
printf ("A0: %08lx A1: %08lx A2: %08lx A3: %08lx\n",
|
|
fp->a0, fp->a1, fp->a2, fp->a3);
|
|
printf ("A4: %08lx A5: %08lx A6: %08lx\n",
|
|
fp->a4, fp->a5, fp->a6);
|
|
}
|
|
|
|
void exc_handler(struct pt_regs *fp) {
|
|
printf("\n\n*** Unexpected exception ***\n");
|
|
show_frame (fp);
|
|
printf("\n*** Please Reset Board! ***\n");
|
|
for(;;);
|
|
}
|
|
|
|
void trap_init(ulong value) {
|
|
unsigned long *vec = (ulong *)value;
|
|
int i;
|
|
|
|
for(i = 2; i < 25; i++) {
|
|
vec[i] = (unsigned long)_exc_handler;
|
|
}
|
|
for(i = 25; i < 32; i++) {
|
|
vec[i] = (unsigned long)_int_handler;
|
|
}
|
|
for(i = 32; i < 64; i++) {
|
|
vec[i] = (unsigned long)_exc_handler;
|
|
}
|
|
for(i = 64; i < 256; i++) {
|
|
vec[i] = (unsigned long)_int_handler;
|
|
}
|
|
|
|
setvbr(value); /* set vector base register to new table */
|
|
}
|