Commit 26b40ef1 authored by Markos Chandras's avatar Markos Chandras Committed by Ralf Baechle
Browse files

MIPS: traps: Dump the PageGrain and Wired registers on MC 



They can be useful to determine how the MMU is configured on a MC
exception.

Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8401/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 31ec86b8

arch/mips/kernel/traps.c

+2 −0
Original line number Diff line number Diff line
@@ -1432,6 +1432,8 @@ 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());

		pr_err("Wired   : %0x\n", read_c0_wired());

		pr_err("Pagegrain: %0x\n", read_c0_pagegrain());

		if (cpu_has_htw) {

			pr_err("PWField : %0*lx\n", field, read_c0_pwfield());

			pr_err("PWSize  : %0*lx\n", field, read_c0_pwsize());

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