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From 09895934aaddf4f08345798068b41344068c7b56 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
Date: Tue, 8 Jul 2008 00:59:38 -0600
Subject: [PATCH] Fix exception handling to properly get vector.
LTIBName: mcfv4e-except-vector-fix
Signed-off-by: Kurt Mahan <kmahan@freescale.com>
---
arch/m68k/coldfire/traps.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
--- a/arch/m68k/coldfire/traps.c
+++ b/arch/m68k/coldfire/traps.c
@@ -7,6 +7,7 @@
* 68040 fixes by Martin Apel
* 68060 fixes by Roman Hodek
* 68060 fixes by Jesper Skov
+ * Coldfire fixes by Kurt Mahan
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
@@ -288,13 +289,13 @@ void show_stack(struct task_struct *task
void bad_super_trap(struct frame *fp)
{
console_verbose();
- if (fp->ptregs.vector < 4*sizeof(vec_names)/sizeof(vec_names[0]))
+ if (fp->ptregs.vector < sizeof(vec_names)/sizeof(vec_names[0]))
printk(KERN_WARNING "*** %s *** FORMAT=%X\n",
- vec_names[(fp->ptregs.vector) >> 2],
+ vec_names[fp->ptregs.vector],
fp->ptregs.format);
else
printk(KERN_WARNING "*** Exception %d *** FORMAT=%X\n",
- (fp->ptregs.vector) >> 2,
+ fp->ptregs.vector,
fp->ptregs.format);
printk(KERN_WARNING "Current process id is %d\n", current->pid);
die_if_kernel("BAD KERNEL TRAP", &fp->ptregs, 0);
@@ -306,7 +307,7 @@ asmlinkage void trap_c(struct frame *fp)
siginfo_t info;
if (fp->ptregs.sr & PS_S) {
- if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
+ if (fp->ptregs.vector == VEC_TRACE) {
/* traced a trapping instruction */
current->ptrace |= PT_DTRACE;
} else
@@ -315,7 +316,7 @@ asmlinkage void trap_c(struct frame *fp)
}
/* send the appropriate signal to the user program */
- switch ((fp->ptregs.vector) >> 2) {
+ switch (fp->ptregs.vector) {
case VEC_ADDRERR:
info.si_code = BUS_ADRALN;
sig = SIGBUS;
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