1 files changed, 92 insertions, 0 deletions
diff --git a/filesystem/dfs/src/dfs_init.c b/filesystem/dfs/src/dfs_init.c
new file mode 100644
index 0000000000..5b72da71ed
--- /dev/null
+++ b/filesystem/dfs/src/dfs_init.c
@@ -0,0 +1,92 @@
+/*
++------------------------------------------------------------------------------
+| Project   : Device Filesystem
++------------------------------------------------------------------------------
+| Copyright 2004, 2005  www.fayfayspace.org.
+| All rights reserved.
+|------------------------------------------------------------------------------
+| File      : dfs.c, the implementation of Device FileSystem
+|------------------------------------------------------------------------------
+| Chang Logs:
+| Date           Author       Notes
+| 2002-12-31     ffxz         The first version.                     
+| 2005-01-22     ffxz         Clean up the code.                     
++------------------------------------------------------------------------------
+*/
+#include <dfs_def.h>
+#include <dfs_config.h>
+
+#include <dfs_fs.h>
+#include <dfs_raw.h>
+
+#include <string.h>
+
+/* Global variables */
+struct dfs_filesystem_operation* filesystem_operation_table[DFS_FILESYSTEM_TYPES_MAX + 1];
+struct dfs_filesystem filesystem_table[DFS_FILESYSTEMS_MAX + 1];
+
+rt_sem_t filesystem_table_lock;
+rt_sem_t filesystem_operation_table_lock;
+
+#ifdef RT_USING_WORKDIR	
+char working_directory[DFS_PATH_MAX + 1];
+rt_sem_t working_directory_lock;
+#endif
+
+struct dfs_fd fd_table[DFS_FD_MAX + 1];
+rt_sem_t  fd_table_lock;
+
+/*
++------------------------------------------------------------------------------
+| Function    : dfs_init
++------------------------------------------------------------------------------
+| Description : Inits the Device Filesystem
+| Parameters  : null
+| Returns     : null
++------------------------------------------------------------------------------
+*/
+void dfs_init()
+{
+	int index;
+
+	/* clear filesystem operations table */
+	for (index = 0; index < DFS_FILESYSTEM_TYPES_MAX + 1; index++) 
+		filesystem_operation_table[index] = RT_NULL;
+
+	/* create filesystem operations table lock */
+	filesystem_operation_table_lock = rt_sem_create("sem_fot", 1, RT_IPC_FLAG_FIFO); 
+
+	/* clear filesystem table */
+	for (index = 0; index < DFS_FILESYSTEMS_MAX + 1; index++)
+	{
+		rt_memset(filesystem_table[index].path, 0, DFS_PATH_MAX + 1);
+
+		filesystem_table[index].ops = RT_NULL;
+		filesystem_table[index].dev_id = 0;
+		filesystem_table[index].block_id = 0;
+		filesystem_table[index].data = RT_NULL;
+	}
+
+	/* create filesystem table lock */
+	filesystem_table_lock = rt_sem_create("sem_fst", 1, RT_IPC_FLAG_FIFO); 
+
+#ifdef RT_USING_WORKDIR	
+	/* set current working directory */
+	strcpy(working_directory, "/");
+	working_directory_lock = rt_sem_create("sem_wd", 1, RT_IPC_FLAG_FIFO); 
+#endif
+
+	/* clean fd table */
+	for ( index = 0; index < DFS_FD_MAX; index ++)
+	{
+		rt_memset(&fd_table[index], 0, sizeof(struct dfs_fd));
+	}
+
+	/* create fd table lock */
+	fd_table_lock = rt_sem_create("sem_fdt", 1, RT_IPC_FLAG_FIFO); 
+
+#if defined(RT_USING_FINSH) && !defined(FINSH_USING_SYMTAB)
+	dfs_export_finsh();
+#endif
+}
+