1 files changed, 31 insertions, 0 deletions
diff --git a/target-cris/helper.c b/target-cris/helper.c
index e8b8261..e901c3a 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -283,3 +283,34 @@ hwaddr cris_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
     return phy;
 }
 #endif
+
+bool cris_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
+{
+    CPUClass *cc = CPU_GET_CLASS(cs);
+    CRISCPU *cpu = CRIS_CPU(cs);
+    CPUCRISState *env = &cpu->env;
+    bool ret = false;
+
+    if (interrupt_request & CPU_INTERRUPT_HARD
+        && (env->pregs[PR_CCS] & I_FLAG)
+        && !env->locked_irq) {
+        cs->exception_index = EXCP_IRQ;
+        cc->do_interrupt(cs);
+        ret = true;
+    }
+    if (interrupt_request & CPU_INTERRUPT_NMI) {
+        unsigned int m_flag_archval;
+        if (env->pregs[PR_VR] < 32) {
+            m_flag_archval = M_FLAG_V10;
+        } else {
+            m_flag_archval = M_FLAG_V32;
+        }
+        if ((env->pregs[PR_CCS] & m_flag_archval)) {
+            cs->exception_index = EXCP_NMI;
+            cc->do_interrupt(cs);
+            ret = true;
+        }
+    }
+
+    return ret;
+}