The HTW registers can be useful to debug a MC exception.
Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
---
Changes since v1:
- Replace pr_info() with pr_err()
---
arch/mips/kernel/traps.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 88075fecf306..bced37c0a188 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1385,6 +1385,11 @@ asmlinkage void do_mcheck(struct pt_regs *regs)
pr_err("EntryHi : %0*lx\n", field, read_c0_entryhi());
pr_err("EntryLo0: %0*lx\n", field, read_c0_entrylo0());
pr_err("EntryLo1: %0*lx\n", field, read_c0_entrylo1());
+ if (cpu_has_htw) {
+ pr_err("PWField : %0*lx\n", field, read_c0_pwfield());
+ pr_err("PWSize : %0*lx\n", field, read_c0_pwsize());
+ pr_err("PWCtl : %0x\n", read_c0_pwctl());
+ }
pr_err("\n");
dump_tlb_all();
}
--
2.1.3
