On Thu, Oct 11, 2007 at 12:05:27AM +0300, Илья Петров wrote: > 2007/10/10, Dmitry Nezhevenko <[EMAIL PROTECTED]>: > > On Wed, Oct 10, 2007 at 04:59:44PM -0300, Daniel Ribeiro wrote: > > > > > > Ramldr address on a1200 is a0de0000, but ezxflash will not be able to > > > patch a1200´s ramloader. So, i think that this will not work too. > > > (maybe, if you want to flash an original FW, there is no need to patch > > > the ramloader, in this case it may work). > > > > Yes. I think that original firmware can be flashed (AP only). Maybe > > modified too, but codegroups should have same size. > > i need to flash only patched rootfs (0x02600000). if i use nonpatched > loader - it will erase all CGs, right?
Yes. ramloader from every firmware contains something like codegroups
table. For A780/E680 it contains followed fields:
* codegroup number
* start address
* end address
* start address (again)
* max end address
A780 and E680 ramloader isn't signed, so it's possible to patch this
table. As far as I know, A1200 one is signer, so any kind of patching will
break signature.
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WBR, Dmitry
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