target-xtensa: implement exceptions
- mark privileged opcodes with ring check;
- make debug exception on exception handler entry.
Signed-off-by: Max Filippov <[email protected]>
Signed-off-by: Blue Swirl <[email protected]>
diff --git a/cpu-exec.c b/cpu-exec.c
index d9278f3..aef66f2 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -489,6 +489,12 @@
do_interrupt(env);
next_tb = 0;
}
+#elif defined(TARGET_XTENSA)
+ if (interrupt_request & CPU_INTERRUPT_HARD) {
+ env->exception_index = EXC_IRQ;
+ do_interrupt(env);
+ next_tb = 0;
+ }
#endif
/* Don't use the cached interrupt_request value,
do_interrupt may have updated the EXITTB flag. */
