import RT-Thread@9217865c without bsp, libcpu and components/net

components/vmm/vmm_vector.c

@@ -0,0 +1,31 @@
+/*
+ *  VMM vector handle
+ *
+ * COPYRIGHT (C) 2011-2021, Real-Thread Information Technology Ltd
+ * All rights reserved
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-06-15     Bernard      the first verion
+ */
+#include <rthw.h>
+#include <rtthread.h>
+#include <interrupt.h>
+#include "vmm.h"
+
+void vmm_guest_isr(int irqno, void* parameter)
+{
+    /* nothing, let GuestOS to handle it */
+    rt_hw_interrupt_clear(irqno);
+}
+
+void vmm_vector_init(void)
+{
+    rt_hw_interrupt_install(RT_VMM_VIRQ_TRIGGER, vmm_guest_isr, RT_NULL, "virq");
+    rt_hw_interrupt_umask(RT_VMM_VIRQ_TRIGGER);
+
+    return;
+}
+