nios2: Signal handling support

This patch adds support for signal handling.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Ley Foon Tan 2014-11-06 15:19:59 +08:00
commit b53e906d25
5 changed files with 428 additions and 0 deletions