Big Changes - See commit details

[tpg/acess2.git] / Kernel / vfs / main.c

diff --git a/Kernel/vfs/main.c b/Kernel/vfs/main.c
index 3d1f8e5..4722aae 100644 (file)
--- a/Kernel/vfs/main.c
+++ b/Kernel/vfs/main.c
@@ -3,6 +3,7 @@
  * Virtual File System
  */
 #include <common.h>
+#include <fs_sysfs.h>
 #include "vfs.h"
 #include "vfs_int.h"
 #include "vfs_ext.h"
@@ -11,10 +12,23 @@
 extern tVFS_Driver     gRootFS_Info;
 extern tVFS_Driver     gDevFS_Info;
 
+// === PROTOTYPES ===
+ int   VFS_Init();
+char   *VFS_GetTruePath(char *Path);
+void   VFS_GetMemPath(char *Dest, void *Base, Uint Length);
+tVFS_Driver    *VFS_GetFSByName(char *Name);
+ int   VFS_AddDriver(tVFS_Driver *Info);
+void   VFS_UpdateDriverFile();
+
 // === GLOBALS ===
 tVFS_Node      NULLNode = {0};
-static int     siDriverListLock = 0;
+tSpinlock      siDriverListLock = 0;
 tVFS_Driver    *gVFS_Drivers = NULL;
+char   *gsVFS_DriverFile = NULL;
+ int   giVFS_DriverFileID = 0;
+
+char   *gsVFS_MountFile = NULL;
+ int   giVFS_MountFileID = 0;
 
 // === CODE ===
 /**
@@ -26,6 +40,11 @@ int VFS_Init()
        // Core Drivers
        gVFS_Drivers = &gRootFS_Info;
        gVFS_Drivers->Next = &gDevFS_Info;
+       VFS_UpdateDriverFile();
+       
+       // Register with SysFS
+       giVFS_MountFileID = SysFS_RegisterFile("VFS/Mounts", NULL, 0);
+       giVFS_DriverFileID = SysFS_RegisterFile("VFS/Drivers", NULL, 0);
        
        VFS_Mount("root", "/", "rootfs", "");
        VFS_MkDir("/Devices");
@@ -57,10 +76,10 @@ char *VFS_GetTruePath(char *Path)
 }
 
 /**
- * \fn void VFS_GetMemPath(void *Base, Uint Length, char *Dest)
+ * \fn void VFS_GetMemPath(char *Dest, void *Base, Uint Length)
  * \brief Create a VFS memory pointer path
  */
-void VFS_GetMemPath(void *Base, Uint Length, char *Dest)
+void VFS_GetMemPath(char *Dest, void *Base, Uint Length)
 {
        Log("VFS_GetMemPath: (Base=%p, Length=0x%x, Dest=%p)", Base, Length, Dest);
        Dest[0] = '$';
@@ -99,5 +118,38 @@ int VFS_AddDriver(tVFS_Driver *Info)
        gVFS_Drivers = Info;
        RELEASE( &siDriverListLock );
        
+       VFS_UpdateDriverFile();
+       
        return 0;
 }
+
+/**
+ * \fn void VFS_UpdateDriverFile()
+ * \brief Updates the driver list file
+ */
+void VFS_UpdateDriverFile()
+{
+       tVFS_Driver     *drv;
+        int    len = 0;
+       char    *buf;
+       
+       // Format:
+       // <name>\n
+       for( drv = gVFS_Drivers; drv; drv = drv->Next )
+       {
+               len += 1 + strlen(drv->Name);
+       }
+       buf = malloc(len+1);
+       len = 0;
+       for( drv = gVFS_Drivers; drv; drv = drv->Next )
+       {
+               strcpy( &buf[len], drv->Name );
+               len += strlen(drv->Name);
+               buf[len++] = '\n';
+       }
+       buf[len] = '\0';
+       
+       SysFS_UpdateFile( giVFS_DriverFileID, buf, len );
+       if(gsVFS_DriverFile)    free(gsVFS_DriverFile);
+       gsVFS_DriverFile = buf;
+}