Support XiZi_AIoT

Ubiquitous/XiZi_AIoT/softkernel/include/syscall.h

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+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+/**
+ * @file syscall.h
+ * @brief syscall header
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.08.25
+ */
+
+/*************************************************
+File name: syscall.h
+Description: syscall header
+Others:
+History:
+1. Date: 2023-08-28
+Author: AIIT XUOS Lab
+Modification:
+1. first version
+*************************************************/
+#pragma once
+
+// clang-format off
+#define SYSCALL_TEST            0
+#define SYSCALL_SPAWN           1   // generate a brand new task to run elf
+#define SYSCALL_EXIT            2   // exit task, delete the task cb
+#define SYSCALL_YIELD           3   // yield task, go to scheduler
+
+#define SYSCALL_MMAP            4   // map a virt page to phy page
+#define SYSCALL_SERVER          5   // register current task as a server
+#define SYSCALL_SESSION         6   // create a session to a server
+#define SYSCALL_POLL_SESSION    7   // server poll for it's server sessions
+#define SYSCALL_CLOSE_SESSION   8   // client close it's client sessions
+
+#define SYSCALL_EXEC            9   // run elf using current task
+#define SYSCALL_SYS_STATE       10  // run system state
+#define SYSCALL_REGISTER_IRQ    11  //
+// clang-format on
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+
+#include "share_page.h"
+#include "task.h"
+
+typedef enum {
+    SYS_STATE_TEST = 0,
+    SYS_STATE_MEMBLOCK_INFO,
+    SYS_STATE_SET_TASK_PRIORITY,
+    SYS_STATE_SHOW_TASKS,
+    SYS_STATE_SHOW_MEM_INFO,
+    SYS_STATE_SHOW_CPU_INFO,
+} sys_state_option;
+
+typedef union {
+    struct {
+        uintptr_t memblock_start;
+        uintptr_t memblock_end;
+    } memblock_info;
+    int priority;
+} sys_state_info;
+
+/* fn pointer to access user server */
+typedef int (*ipc_read_fn)(struct Session* session, int fd, char* dst, int offset, int len);
+typedef int (*ipc_write_fn)(struct Session* session, int fd, char* src, int offset, int len);
+
+struct KernReadTool {
+    struct Session* session;
+    int fd;
+    ipc_read_fn ipc_read;
+};
+
+int syscall(int sys_num, uintptr_t param1, uintptr_t param2, uintptr_t param3, uintptr_t param4);
+
+int sys_spawn(struct KernReadTool* read_tool, char* name, char** argv);
+int sys_exit();
+int sys_yield();
+
+int sys_register_as_server(char* name);
+int sys_connect_session(char* path, int capacity, struct Session* user_session);
+int sys_poll_session(struct Session* userland_session_arr, int arr_capacity);
+int sys_close_session(struct Session* session);
+
+int sys_exec(struct KernReadTool* read_tool, char* name, char** argv);
+int sys_state(sys_state_option option, sys_state_info* info);
+int sys_mmap(uintptr_t vaddr, uintptr_t paddr, int len, int is_dev);
+
+int sys_register_irq(int irq_num, int irq_opcode);
+#endif