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author | Markos Chandras <markos.chandras@imgtec.com> | 2014-11-12 09:22:42 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 07:45:31 +0100 |
commit | 31ec86b8549992923c2639fa1841a02e48b93310 (patch) | |
tree | 437d416724373ec11cebdf4b68267ca5d813395a /arch/mips/kernel/traps.c | |
parent | 314727fe5cea60fb8d1bdd75e54f2491aa079820 (diff) | |
download | linux-31ec86b8549992923c2639fa1841a02e48b93310.tar.bz2 |
MIPS: traps: Dump the HTW registers on a MC exception
The HTW registers can be useful to debug 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/8400/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r-- | arch/mips/kernel/traps.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index dde5d8f6c491..807def5ab5ed 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1432,6 +1432,11 @@ 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(); } |