[PATCH/RFC] Add cmd_wrap_dts rules to arch/powerpc/boot/Makefile

Josh Boyer jwboyer at jdub.homelinux.org
Thu Oct 19 10:34:55 EST 2006

On Wed, 2006-10-18 at 17:26 -0700, Mark A. Greer wrote:
> Paul, et. al.,
> Currently, platforms that don't have a dt-aware firmware need to
> manually run the wrapper script to wrap a dtb into the zImage that
> was just built.  This is a PITA and is guaranteed to mess up people
> who just want to build a zImage and have it work.
> To address this, I added a couple new rules to arch/powerpc/boot/Makefile
> so that the dtb is automatically wrapped for "reference" platforms.
> "reference" meaning a platform that has its dts in
> arch/powerpc/boot/dts/<platform>.dts.  It won't work for non-reference
> platforms.
> The patch is attached below with a header in case it is acceptable, as
> is.
> This would be used by the sandpoint, say, by adding the following rules
> to the Makefile in the appropriate places:
> 	$(obj)/zImage.sandpoint: vmlinux $(wrapperbits)
> 		$(call cmd,wrap_dts,sandpoint)
> 	$(obj)/zImage.initrd.sandpoint: vmlinux $(wrapperbits)
> 		$(call cmd,wrap_dts_initrd,sandpoint)
> and:
> 	image-$(CONFIG_SANDPOINT)               += zImage.sandpoint
> Comments?

I've been using a patch much like this while I work on getting my
platform up and running with the new bootwrapper patches.  It's very


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