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-rw-r--r--target-s390x/interrupt.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/target-s390x/interrupt.c b/target-s390x/interrupt.c
new file mode 100644
index 0000000000..c1b034f775
--- /dev/null
+++ b/target-s390x/interrupt.c
@@ -0,0 +1,29 @@
+/*
+ * QEMU S/390 Interrupt support
+ *
+ * Copyright IBM, Corp. 2012
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at your
+ * option) any later version. See the COPYING file in the top-level directory.
+ */
+
+#include "cpu.h"
+#include "kvm.h"
+
+#if !defined(CONFIG_USER_ONLY)
+/* service interrupts are floating therefore we must not pass an cpustate */
+void s390_sclp_extint(uint32_t parm)
+{
+ S390CPU *dummy_cpu = s390_cpu_addr2state(0);
+ CPUS390XState *env = &dummy_cpu->env;
+
+ if (kvm_enabled()) {
+#ifdef CONFIG_KVM
+ kvm_s390_interrupt_internal(env, KVM_S390_INT_SERVICE, parm, 0, 1);
+#endif
+ } else {
+ env->psw.addr += 4;
+ cpu_inject_ext(env, EXT_SERVICE, parm, 0);
+ }
+}
+#endif