cris: Prepare for CRISv10.

* Add prefix flag and special reg.
* Add interrupt lockout.
* Add CC_OP_MSTEP.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/cpu-exec.c b/cpu-exec.c
index 0256edf..6a290fd 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -497,7 +497,8 @@ int cpu_exec(CPUState *env1)
                     }
 #elif defined(TARGET_CRIS)
                     if (interrupt_request & CPU_INTERRUPT_HARD
-                        && (env->pregs[PR_CCS] & I_FLAG)) {
+                        && (env->pregs[PR_CCS] & I_FLAG)
+                        && !env->locked_irq) {
                         env->exception_index = EXCP_IRQ;
                         do_interrupt(env);
                         next_tb = 0;