On Fri, Feb 17, 2023 at 09:37:32PM +0100, Ahmad Fatoum wrote:
> We currently require IMD_OF_USED to get the DT compatible into the
> barebox image data meta section. As the PBL is already referencing the
> DT to pass it along to barebox proper, let's add a reference from the DT
> to the image data section to make IMD_OF_USED unnecessary.
>
> Suggested-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
> scripts/gen-dtb-s | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/scripts/gen-dtb-s b/scripts/gen-dtb-s
> index c5c46a4d8675..9cc2e7a72cc2 100755
> --- a/scripts/gen-dtb-s
> +++ b/scripts/gen-dtb-s
> @@ -49,6 +49,9 @@ echo "__dtb_${name}_start:"
> echo ".incbin \"$dtb\""
> echo "__dtb_${name}_end:"
> echo ".global __dtb_${name}_end"
> +if [ "$imd" = "y" ]; then
> + echo ".word __barebox_imd_OF_${name}"
> +fi
> echo ".balign STRUCT_ALIGNMENT"
>
> compressed=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" $dtb.z)
> @@ -66,4 +69,7 @@ echo ".incbin \"$dtb.z\""
> echo "__dtb_z_${name}_end:"
> echo ".global __dtb_z_${name}_end"
> echo ".balign STRUCT_ALIGNMENT"
> +if [ "$imd" = "y" ]; then
> + echo ".word __barebox_imd_OF_${name}"
> +fi
> echo "#endif"
This results in several linker errors here when compiling
imx_v8_defconfig:
/opt/OSELAS.Toolchain-2022.10.0/aarch64-v8a-linux-gnu/gcc-12.2.1-clang-15.0.2-glibc-2.36-binutils-2.39-kernel-6.0.5-sanitized/bin/aarch64-v8a-linux-gnu-ld: arch/arm/dts/imx8mm-innocomm-wb15-evk.dtb.pbl.o: relocation R_AARCH64_ABS32 against `__barebox_imd_OF_imx8mm_innocomm_wb15_evk' can not be used when making a shared object
Sascha
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