Re: [PATCH 1/3] Kbuild: centralize MKIMAGE and cmd_uimage definitions

Mike Frysinger
2012-03-07T18:26:03Z

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On Wednesday 07 March 2012 12:41:52 Stephen Warren wrote:
> On 03/06/2012 08:56 PM, Mike Frysinger wrote:
> > On Tuesday 06 March 2012 19:30:36 Stephen Warren wrote:
> >> +UIMAGE_ENTRYADDR = $(shell $(NM) vmlinux | awk '$$NF == "__start"
> >> {print $$1}')
> >
> > i feel like if we tried harder, we could automate the -e arg for all
> > arches. i understand if you don't want to undertake that though.
>
> Yes, this might be possible. I'd guess the symbol name varies between
> archs, but that can probably be taken care of.

i think we could avoid the symbol lookup. if the entry point is set correctly
in the ELF, we could do:
UIMAGE_ENTRYADDR = $(shell $(READELF) -h vmlinux | \
awk '$$0 ~ /Entry point address:/ { print $$NF }'

99% sure this would work for Blackfin kernel images ...

> This is probably best
> left as a follow-on patch though, since it's a behavioral change,
> whereas this patch is just consolidation.

of course
-mike

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