File System in CE Boot (Compact 2013)
3/26/2014
The File System driver encapsulates functionality to read and write from a file. Its driver class is BOOT_DRIVER_CLASS_FILESYSTEM.
Its interface is defined in:
%_WINCEROOT%\Platform\Common\Src\Common\Bldr\Inc\Bootfilesystem.hpp
The IOCTL codes to which a file system driver can respond are listed in the following table.
File System Driver IOCTLs
IOCTL |
Description |
|---|---|
BOOT_FILESYSTEM_IOCTL_OPEN |
Opens a file. |
BOOT_FILESYSTEM_IOCTL_DELETE |
Deletes a file. |
BOOT_FILESYSTEM_IOCTL_FREE_SPACE |
Determines how much free space is on the disk. |
BOOT_FILESYSTEM_IOCTL_READ |
Reads a file. |
BOOT_FILESYSTEM_IOCTL_WRITE |
Writes to a file. |
BOOT_FILESYSTEM_IOCTL_SEEK |
Seeks within a file. |
BOOT_FILESYSTEM_IOCTL_GET_SIZE |
Gets the size of a file. |
BOOT_FILESYSTEM_IOCTL_FLUSH |
Flushes the buffer. |
BOOT_FILESYSTEM_IOCTL_GET_POSITION |
Gets the position, within the file, at which the file is being accessed. |