target-xtensa: implement exceptions
- mark privileged opcodes with ring check;
- make debug exception on exception handler entry.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/target-xtensa/helpers.h b/target-xtensa/helpers.h
index 976c8d8..6329c43 100644
--- a/target-xtensa/helpers.h
+++ b/target-xtensa/helpers.h
@@ -1,6 +1,8 @@
#include "def-helper.h"
DEF_HELPER_1(exception, void, i32)
+DEF_HELPER_2(exception_cause, void, i32, i32)
+DEF_HELPER_3(exception_cause_vaddr, void, i32, i32, i32)
DEF_HELPER_1(nsa, i32, i32)
DEF_HELPER_1(nsau, i32, i32)
