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
Load the network boot image into guest RAM when the boot device selected is a network device. Use some of the reserved space in IplBlockCcw to store the start address of the netboot image. A user could also use 'chreipl'(diag 308/5) to change the boot device. So every time we update the IPLB, we need to verify if the selected boot device is a network device so we can appropriately load the network boot image. Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>