[xcc,sim] eliminated vectored traps

now, the evec register holds the address that all traps vector to,
and the cause register is set with the trap number.

1 files changed, 1 insertions, 0 deletions

diff --git a/pk/pk.h b/pk/pk.h
index c164306..501010e 100644
--- a/pk/pk.h
+++ b/pk/pk.h
@@ -7,6 +7,7 @@ typedef struct
   long sr;
   long epc;
   long badvaddr;
+  long cause;
   long cr29;
 } trapframe_t;