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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: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8401/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Markos Chandras 2014-11-12 09:23:11 +00:00 committed by Ralf Baechle
parent 31ec86b854
commit 26b40ef1aa
1 changed files with 2 additions and 0 deletions
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2
arch/mips/kernel/traps.c
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@ -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());