Allocating Internal Flash as Root
- From: tony@xxxxxxxxxxxxx
- Date: Tue, 05 Jun 2007 18:40:47 -0000
I am sure this has been asked, but I can't for the life of me find the
answer I am after. I am creating a new platform based on the MX21 ADS
board. It comes with 64MB of flash. My device will power down
completely and so I need to set up the file and object store as well
as the registry so that it is all stored in the flash instead of RAM.
The first thing I need to do is figure out how to configure my system
in PB 5 to set aside half of the flash for a file system and then make
it the root file system. I was reading the documentation and it seemed
to indicate that what I want is the ROM only file system. I am still a
little unclear because one place indicated that and another indicated
that ROM only file system means there is no place to store stuff.
The second thing is to make sure I have the registry settings right so
that the hive based registry (which I also chose for my device) will
point to the above mentioned flash area.
I guess a third question is whether this is a good idea and better
than using the RAM based system and doing some kind of backup to flash
when the user powers down the unit.
Thanks, Tony
.
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