Fwd: zImage support for ppc

[Pratyush Anand]

On Thursday 07 September 2017 01:49 PM, Sunil Kumar wrote:
> $ kexec -e
> 
> As the zImage is also and elf file format, but the control is not
> getting transferred to the zImage.
> I can see kexec is able to load all the segments properly, but looks
> like its not able to figure out the entry point to start execution
> with zImage.
> -------------------------------------------------------------------------------------------------------------------------------------------------------
> kexec_load: entry = 0x329678 flags = 0x0
> -------------------------------------------------------------------------------------------------------------------------------------------------------
> 
> On the same board (i.e. Freescale p2020ds), uImage and vmlinux works fine.

Looking into upstream code: ppc has only support of elf and uImage,and so they 
work.

> 
> Just curious to know , why the zImage support is still not provided in
> the kexec for ppc ??

Probably because no one needed it till now.

> Is there any restriction from kexec design point of view ?

I do not think. You can write a patch. I see, ppc64 has zImage support, so you 
can take that as example and can write code for ppc as well.

-- 
Regards
Pratyush