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-rw-r--r--target-cris/helper.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/target-cris/helper.c b/target-cris/helper.c
index e8b8261fe9..e901c3a008 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;
+}