The HTW registers can be useful to debug a MC exception.
Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
---
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 51fa5c3aa4fe..32feb481a67a 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_info("EntryHi : %0*lx\n", field, read_c0_entryhi());
pr_info("EntryLo0: %0*lx\n", field, read_c0_entrylo0());
pr_info("EntryLo1: %0*lx\n", field, read_c0_entrylo1());
+ if (cpu_has_htw) {
+ pr_info("PWField : %0*lx\n", field, read_c0_pwfield());
+ pr_info("PWSize : %0*lx\n", field, read_c0_pwsize());
+ pr_info("PWCtl : %0x\n", read_c0_pwctl());
+ }
pr_info("\n");
dump_tlb_all();
}
--
2.1.3
