[uCsimm] NetBoot loader

From: Alex Perry (alex.perry@qm.com)
Date: Mon Mar 12 2001 - 16:18:10 EST


Just wondering, has anybody configured their UCSIMM so that it
knows to use DHCP and TFTP to perform a generic network boot?

First, it would make development a lot easier for ram-based test
because the network download is extremely fast and configurable.

Second, suppose the TFTP download is configured to compare all
the incoming data with the existing flash contents and reprogram
as needed, to apply kernel and/or ROMFS image updates. Once this
is complete, the system continues with a normal boot sequence.

Third, it makes it a lot easier to develop and work with several
modules simultaneously, because the serial cable morass is avoided.

To convert a development module to production use, just disable
the flag that does the netboot and the flash contents are already
correct and the module will boot directly up as usual.
Am I missing something here ?

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