[PATCH v4 12/22] PBL: allow to link ELF image into PBL

[Ahmad Fatoum]

On 1/14/26 1:14 PM, Sascha Hauer wrote:
> Some architectures want to link the barebox proper ELF image into the
> PBL. Allow that and provide a Kconfig option to select the ELF image.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  Makefile    | 4 ++++
>  pbl/Kconfig | 9 +++++++++
>  2 files changed, 13 insertions(+)
> 
> diff --git a/Makefile b/Makefile
> index 2350592cdef6cb0cab0a85a481fbf17e24d6483f..25b548712c777ffb3ceeb375b109661312485bee 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -831,7 +831,11 @@ export KBUILD_BINARY ?= barebox.bin
>  # Also any assignments in arch/$(SRCARCH)/Makefile take precedence over
>  # the default value.
>  
> +ifeq ($(CONFIG_PBL_IMAGE_ELF),y)
> +export BAREBOX_PROPER ?= vmbarebox
> +else
>  export BAREBOX_PROPER ?= barebox.bin
> +endif
>  
>  barebox-flash-images: $(KBUILD_IMAGE)
>  	@echo $^ > $@
> diff --git a/pbl/Kconfig b/pbl/Kconfig
> index cab9325d16e8625bcca10125b3281062abffedbc..63f29cd6135926c48b355b80fc7a123b90098c20 100644
> --- a/pbl/Kconfig
> +++ b/pbl/Kconfig
> @@ -21,6 +21,15 @@ config PBL_IMAGE_NO_PIGGY
>  	  want to use the piggy mechanism to load barebox proper.
>  	  It's so far only intended for sandbox.
>  
> +config PBL_IMAGE_ELF
> +	bool
> +	depends on PBL_IMAGE
> +	select ELF
> +	help
> +	  If yes, link ELF image into the PBL, otherwise a raw binary
> +	  is linked into the PBL. This must match the loader code in the
> +	  PBL.
> +
>  config PBL_MULTI_IMAGES
>  	bool
>  	select PBL_IMAGE
> 

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