diff options
Diffstat (limited to 'arch/microblaze/kernel/exceptions.c')
| -rw-r--r-- | arch/microblaze/kernel/exceptions.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c index b98ee8d..478f294 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: |