Re: Using reblob to load another blob from ram

[Stefan S. <st...@da...>]

Hello.

On Fri, 2006-04-28 at 16:09, Erik Mouw wrote:
> >=20
> > A compile of the modified blob source give me the the following
> > interesting binaries:
> >=20
> > blob
> > blob-chain
> > blob-rest
> > blob-rest-elf32
> > blob-start
> > blob-start-chain
> > blob-start-chain-elf32
> > blob-start-elf32
>=20
> Everything -elf32 is the ELF32 version of the target. However, that
> can't be used to start the machine, so we use objcopy to generate a
> binary image. So: blob-start-elf32 --> (objcopy) --> blob-start .

OK, thanks for this information. Things get clear slowly.

> > If i load blob or blob-start-elf32 the display goes blank and thats
> > it. For blob-start at KERNEL_RAM_BASE it goes blank, too. On all the
> > other tests exactly nothing happens.
>=20
> You should be able to reblob the second stage loader (i.e.: blob-rest).
> It should be loaded at BLOB_RAM_BASE.

OK, so i can focus on this and try to add some debug information to
see why things go wrong.

> > - Is there some good doc about blob? I don't find anything.
>=20
> The source and the README is all there is.

So i'll need to dig through the source code. Perhaps i have some time
at the weekend. :)

regards
Stefan Schmidt