[RFC] New target 'cuImage' - compatibility uImage
wd at denx.de
Fri Aug 4 06:25:57 EST 2006
In message <1154636438.5094.45.camel at localhost> you wrote:
> However, currently the zImage has an elfheader which will come before
May it have whatever it wants. It's irrelevant.
WE DO NOT USE zImage FILES FOR U-BOOT.
> > This way U-Boot will load (and if necessary uncompress) the kernel
> > image plus your attached bootstrap code to it's normal start address.
> > Then it starts your bootstrap code which can fixup DTB and then just
> > start the kernel.
> We do not need to worry about this with cuImage because the kernel
> section will not be compressed. If compression is desired it will be
> done at the U-Boot level (were U-Boot would do the uncompressing).
Yes, we do need to care about this. A useless copy of the
uncompressed kernel image is just a waste of boot time. Not to
mention that you have to copy your bootstrapo loader out of the way
before it gets overwritten.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
What is research but a blind date with knowledge? -- Will Harvey
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