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Diffstat (limited to 'arch/microblaze/kernel/exceptions.c')
-rw-r--r--arch/microblaze/kernel/exceptions.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index b98ee8d0c1cd..478f2943ede7 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -72,7 +72,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
int fsr, int addr)
{
#ifdef CONFIG_MMU
- int code;
addr = regs->pc;
#endif
@@ -86,8 +85,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
switch (type & 0x1F) {
case MICROBLAZE_ILL_OPCODE_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Illegal opcode exception " \
- "in user mode.\n");
+ pr_debug("Illegal opcode exception in user mode\n");
_exception(SIGILL, regs, ILL_ILLOPC, addr);
return;
}
@@ -97,8 +95,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_IBUS_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Instruction bus error " \
- "exception in user mode.\n");
+ pr_debug("Instruction bus error exception in user mode\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
@@ -108,8 +105,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_DBUS_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Data bus error exception " \
- "in user mode.\n");
+ pr_debug("Data bus error exception in user mode\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
@@ -119,8 +115,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_DIV_ZERO_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Divide by zero exception " \
- "in user mode\n");
+ pr_debug("Divide by zero exception in user mode\n");
_exception(SIGILL, regs, FPE_INTDIV, addr);
return;
}
@@ -129,7 +124,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
die("Divide by zero exception", regs, SIGBUS);
break;
case MICROBLAZE_FPU_EXCEPTION:
- pr_debug(KERN_WARNING "FPU exception\n");
+ pr_debug("FPU exception\n");
/* IEEE FP exception */
/* I removed fsr variable and use code var for storing fsr */
if (fsr & FSR_IO)
@@ -147,14 +142,8 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
#ifdef CONFIG_MMU
case MICROBLAZE_PRIVILEGED_EXCEPTION:
- pr_debug(KERN_WARNING "Privileged exception\n");
- /* "brk r0,r0" - used as debug breakpoint - old toolchain */
- if (get_user(code, (unsigned long *)regs->pc) == 0
- && code == 0x980c0000) {
- _exception(SIGTRAP, regs, TRAP_BRKPT, addr);
- } else {
- _exception(SIGILL, regs, ILL_PRVOPC, addr);
- }
+ pr_debug("Privileged exception\n");
+ _exception(SIGILL, regs, ILL_PRVOPC, addr);
break;
#endif
default: