nios2: Exception handling

This patch contains the exception entry code (kernel/entry.S) and
misaligned exception.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Ley Foon Tan 2014-11-06 15:19:38 +08:00
commit 82ed08dd1b
2 changed files with 811 additions and 0 deletions