Started implementing the virtual file system

- The FAT command is no longer available
- At Startup the FileSystem initialise funciton
is called, it should execute the same code as the FAT command did.
- ACPI::initialise is commented out because it causes a Exception

source/kernel/vfs/VFS.h

@@ -1,29 +1,76 @@
 #pragma once
+#include <stdint.h>
+#define FS_FILE 0
+#define FS_DIRECTORY 1
+#define FS_INVALID 2
+#define DEVICE_MAX 26
 
-class VirtualFileSystem{
-public: 
-    void Initialize( FS* root);
-    void Open (const char* path);
-    void Read();
-    void Write();
+typedef struct _FILE {
+    char name [32];
+    uint32_t flags;
+    uint32_t filelength;
+    uint32_t id;
+    uint32_t eof;
+    uint32_t position;
+    uint32_t currentCluster;
+    uint32_t device;
+}FILE, *PFILE;
 
-    void Mount(const char* path,FS* FileSystem);
-    void UnMount(FS* FileSystem);
+typedef struct _FILE_SYSTEM{
+    char name[8];
+    FILE (*Directory) (const char* Directoryname);
+    void (*Mount) ();
+    void (*Read) (PFILE file, unsigned char* buffer, unsigned int length);
+    void (Close) (PFILE);
+    FILE (*Open) (const char* filename);
+}FILESYSTEM, *PFILESYSTEM;
 
-private:
-    FS* root;
+typedef struct _MOUNT_INFO{
+    uint32_t numSectors;
+    uint32_t fatOffset;
+    uint32_t numRootEntries;
+    uint32_t rootOffset;
+    uint32_t rootSize;
+    uint32_t fatSize;
+    uint32_t fatEntrySize;
+}MOUNT_INFO, *PMOUNT_INFO;
+
+typedef struct _DIRECTORY{
+    uint8_t Filename[8];
+    uint8_t Ext[3];
+    uint8_t Attrib;
+    uint8_t Reserved;
+    uint8_t TimeCreatedMs;
+    uint16_t TimeCreated;
+    uint16_t DateCreated;
+    uint16_t DateLastAccessed;
+    uint16_t FirstClusterHiBytes;
+    uint16_t LastModTime;
+    uint16_t LastModDate;
+    uint16_t FirstCluster;
+    uint32_t FileSize;
+}DIRECTORY, *PDIRECTORY;
+// Date Format
+// [0..4] Day
+// [5..8] Month
+// [9..15] Year
+
+// Time Format
+// [0..4] Seconds
+// [5..10] Minute
+// [11..15] Hour
+extern PFILESYSTEM _filesystems[DEVICE_MAX];
+
+ FILE volOpenFile(const char* fname);
+
+ void volCloseFile(PFILE file);
+ void volRegisterFilesystem(PFILESYSTEM, unsigned int deviceID);
+ void volUnregisterFilesystem(PFILESYSTEM);
+ void volUnregisterFileSystemByID(unsigned int deviceID);
 
 
-};
-
-struct FS
-{
-    const char* name ;
-    int DeviceID;
-    int ManufacturerID;
-    FS* next;
-    char**(Read)();
-    void*(Write)();
-    void*(Open)();
-};
+ class FileSystem{
+ public:
+     static void initialize();
 
+ };