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* Added support for ROMFS filesystem.
* Added a simple test the ROMFS filesystem (examples/romfs)
* NSH: Use ROMFS to provide an option for a start-up script at /etc/init.d/rcS
+ * Add definition of BIOC_XIPBASE ioctl and implement in RAM disk block driver.
+ This is a low level requirement for eXecute In Place (XIP) support.
+ * Add a FIOC_MMAP to perform memory mapping of a file and implemented the
+ ioctl command in the ROMFS filesystem. This is a requirement for eXecute
+ In Place (XIP) support.
+