添加rtthread相关代码

riscv/rtthread/components/lwp/lwp_ipc_internal.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-10-16     Jesven       first version
+ */
+#ifndef  LWP_IPC_INTERNAL_H__
+#define  LWP_IPC_INTERNAL_H__
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <lwp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum
+{
+    FDT_TYPE_LWP,
+    FDT_TYPE_KERNEL
+};
+
+int lwp_channel_open(int fdt_type, const char *name, int flags);
+rt_err_t lwp_channel_close(int fdt_type, int fd);
+rt_err_t lwp_channel_send(int fdt_type, int fd, rt_channel_msg_t data);
+rt_err_t lwp_channel_send_recv_timeout(int fdt_type, int fd, rt_channel_msg_t data, rt_channel_msg_t data_ret, rt_int32_t time);
+rt_err_t lwp_channel_reply(int fdt_type, int fd, rt_channel_msg_t data);
+rt_err_t lwp_channel_recv_timeout(int fdt_type, int fd, rt_channel_msg_t data, rt_int32_t time);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* LWP_IPC_INTERNAL_H__*/