arc: add ECR (exception cause register) output
authorIgor Guryanov <guryanov@synopsys.com>
Wed, 24 Dec 2014 13:26:14 +0000 (16:26 +0300)
committerAlexey Brodkin <abrodkin@synopsys.com>
Thu, 15 Jan 2015 19:38:42 +0000 (22:38 +0300)
commite47d733867b2da336754718f7eaa7f51655dbefa
tree2768c99fce5aed73730d697774732e80c51154d9
parentf8cf3d1ebdf7622f65c4eeba9eae1ed04982de12
arc: add ECR (exception cause register) output

Exception cause register (ECR) contains value that describes a reason
for exception that has happened. This helps a lot to figure-out what
went wrong.

Now we print this register contents when dumping registers.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Igor Guryanov <guryanov@synopsys.com>
arch/arc/cpu/arc700/interrupts.c
arch/arc/cpu/arc700/start.S