coffboot?

[Lou Rickard]

Hi,

I tried, this, but was not successful, and am probably
just not understanding what you're telling me.

I tried loading the zImage file directly into ram
(load zImage 200000), and started after the ELF header
(at 210000), but it failed.

Were you intending that I modify the bootlo.bin file
to point deeper into the zImage to bypass the ELF
header?  Or something different?

I then tried using objcopy, but that didn't work
either, and I'm not really sure what it was supposed
to do, so probably I did it wrong.  'objcopy -O binary
zImage zImage.bin' generates a zImage.bin file that
is, or seems, way too small.  The zImage file is
almost 500KB, the output file is about 21KB.  So, I'm
doing something wrong, and I'm don't have a strong
feel for what the objcopy was supposed to do (I read
the man page, but still didn't get it).

Thanks,

~lr

--- Dan Malek <dan at embeddededge.com> wrote:
> You can do one of two things.  Load the zImage.elf
> as
> a binary to some address (say 400000) and start at
> the
> code past the ELF header (g 410000).
>
> Second, you can 'objcopy -O binary zImage.elf
> zImage.bin',
> then load the zImage.bin (say 400000), then jump to
> the
> address where it was loaded (g 400000).


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