[PATCH 1/2] ARM: Add Kconfig option to use mkimage -T kernel_noload

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Wed Feb 29 13:14:30 EST 2012


On 08:58 Wed 29 Feb     , Stephen Warren wrote:
> Jean-Christophe PLAGNIOL-VILLARD wrote at Wednesday, February 29, 2012 5:30 AM:
> > On 17:03 Tue 28 Feb     , Stephen Warren wrote:
> > > uImage files typically encode a single absolute load and entry address.
> > > This is inconvenient when attempting to share that uImage across multiple
> > > SoCs with different physical RAM addresses. Recent versions of mkimage
> > > implement a "kernel_noload" image type which encodes no absolute load
> > > address, and a relative entry address. This works well for uImage-wrapped
> > > ARM zImages, since they are relocatable.
> > >
> > > This is enabled by commit b9b50e89d317c58becd0e2d7fac2e21e3a81dd0a
> > > "image: Implement IH_TYPE_KERNEL_NOLOAD" in U-Boot.
> > >
> > > Signed-off-by: Stephen Warren <swarren at nvidia.com>
> > > ---
> > > I assume I should put this into the ARM patch tracker if it's OK?
> >
> > Again a new option for uImage no why not just boot the zImage
> > 
> > in this case the uImage is useless
> 
> U-Boot doesn't support zImage at present.
> 
> A patch was posted to support it at least for ARM, but needed a little
> work before it could be committed.
Sorry I see no advantage to have the uImage build by the kernel anymore as
we have a relocatable zImage

I'll even drop its support

Best Regards,
J.



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