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5. All processes will be halted, and the programming will begin. The progress is shown by a
‘.’ displayed every 4kbytes. An ‘E’ indicates the erasure of a flash sector. When
complete, verification will begin automatically. The dimmPCI will reboot automatically
upon successful programming and verification. If errors are found, the address will be
reported, and another attempt to reprogram the flash will begin (up to three attempts
maximum).
Notes:
1. Invoking ‘loader’ with a ‘-e’ option will erase the entire flash. This is useful to erase the
journal flash file system to prevent it from becoming corrupted as a kernel expands into a
new 64kbyte sector.
loader imagez.bin -e
2. Invoking ‘loader’ with a ‘-v’ option will perform a “verify” only.
loader imagez.bin -v
3. It is possible to run loader from a telnet session. However, once the programming begins,
the progress indication will be sent only to the console. The telnet session can be
reconnected once the programming is complete and the dimmPCI reboots.
4. The ‘loader’ program was written to be loaded from a network file system into RAM.
Although the ‘loader’ program can be copied into the ROM file system or the journal
flash file system, it cannot be run ‘in-place’, and therefore must be copied to the ramdisk
before it can be used.
oops
The following are brief instructions on how to use oops. For more details about how oops works,
refer to Appendix D6.
The oops directory contains:
1. The ‘oops’ executable (which must be compiled the first time using gcc on the develop-
ment platform. There is a Makefile included in the /opt/boottools/’oops/src’ directory
for this purpose)
2. ‘init.b’ containing the initialisation sequence for the dragonball VZ
3. ‘loader.bin’ containing the program to write and verify the flash
4. ‘kernel.bin’ containing the dimmPCI kernel image