+ // Get ACL Value
+ case SYS_GETACL:
+ if( !Syscall_Valid(sizeof(tVFS_ACL), Regs->Arg1) ) {
+ err = -EINVAL;
+ ret = -1;
+ break;
+ }
+ ret = VFS_GetACL( Regs->Arg1, (void*)Regs->Arg2 );
+ break;
+
+ // Read Directory
+ case SYS_READDIR:
+ // TODO: What if the filename is longer?
+ // Maybe force it to be a 256 byte buffer
+ if( !Syscall_Valid(8, Regs->Arg2) ) {
+ err = -EINVAL;
+ ret = -1;
+ break;
+ }
+ ret = VFS_ReadDir( Regs->Arg1, (void*)Regs->Arg2 );
+ break;
+
+ // Open a file that is a entry in an open directory
+ case SYS_OPENCHILD:
+ if( !Syscall_ValidString(Regs->Arg2) ) {
+ err = -EINVAL;
+ ret = -1;
+ break;
+ }
+ ret = VFS_OpenChild( &err, Regs->Arg1, (char*)Regs->Arg2, Regs->Arg3);
+ break;
+
+ // Change Directory
+ case SYS_CHDIR:
+ if( !Syscall_ValidString(Regs->Arg1) ) {
+ err = -EINVAL;
+ ret = -1;
+ break;
+ }
+ ret = VFS_ChDir( (void*)Regs->Arg1 );
+ break;
+
+ // IO Control
+ case SYS_IOCTL:
+ // All sanity checking should be done by the driver
+ ret = VFS_IOCtl( Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3 );
+ break;
+
+ // Mount a filesystem
+ case SYS_MOUNT:
+ // Only root can mount filesystems
+ if(Threads_GetUID() != 0) {
+ err = -EACCES;
+ ret = -1;
+ break;
+ }
+ // Sanity check the paths
+ if(!Syscall_ValidString(Regs->Arg1)
+ || !Syscall_ValidString(Regs->Arg2)
+ || !Syscall_ValidString(Regs->Arg3)
+ || !Syscall_ValidString(Regs->Arg4) ) {
+ err = -EINVAL;
+ ret = -1;
+ break;
+ }
+ ret = VFS_Mount(
+ (char*)Regs->Arg1, // Device
+ (char*)Regs->Arg2, // Mount point
+ (char*)Regs->Arg3, // Filesystem
+ (char*)Regs->Arg4 // Options
+ );
+ break;
+