From 37dd3818d1f3d875125cffb6d84392df1a38f2f9 Mon Sep 17 00:00:00 2001
From: Petri Gynther <pgynther@google.com>
Date: Fri, 8 May 2015 15:10:10 -0700
Subject: [PATCH] MIPS: traps: print Exception Code in __show_regs()
Print Exception Code when printing the Cause register.
Signed-off-by: Petri Gynther <pgynther@google.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9998/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/kernel/traps.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d2d1c1933bc9..1d6dd12fe940 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -236,6 +236,7 @@ static void __show_regs(const struct pt_regs *regs)
{
const int field = 2 * sizeof(unsigned long);
unsigned int cause = regs->cp0_cause;
+ unsigned int exccode;
int i;
show_regs_print_info(KERN_DEFAULT);
@@ -317,10 +318,10 @@ static void __show_regs(const struct pt_regs *regs)
}
printk("\n");
- printk("Cause : %08x\n", cause);
+ exccode = (cause & CAUSEF_EXCCODE) >> CAUSEB_EXCCODE;
+ printk("Cause : %08x (ExcCode %02x)\n", cause, exccode);
- cause = (cause & CAUSEF_EXCCODE) >> CAUSEB_EXCCODE;
- if (1 <= cause && cause <= 5)
+ if (1 <= exccode && exccode <= 5)
printk("BadVA : %0*lx\n", field, regs->cp0_badvaddr);
printk("PrId : %08x (%s)\n", read_c0_prid(),