[U-Boot] [PATCH] arch/sh: allow building in big-endian mode

Nobuhiro Iwamatsu iwamatsu at nigauri.org
Wed Aug 2 23:19:08 UTC 2017


Applied, thanks!

2017-07-29 6:14 GMT+09:00 Thomas Petazzoni
<thomas.petazzoni at free-electrons.com>:
> The SuperH architecture allows to be run in either little or big
> endian mode. Some SuperH SoCs get the little vs. big endian decision
> through mode pins sampled at reset, so if big endian has been choosen
> by HW designers, it cannot be easily changed.
>
> Therefore, it makes sense to allow building U-Boot for SuperH in big
> endian mode. To allow this, the only change needed is to adjust the
> OUTPUT_FORMAT() in the linker script.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> ---
>  arch/sh/cpu/u-boot.lds | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/sh/cpu/u-boot.lds b/arch/sh/cpu/u-boot.lds
> index bbf9ff4..f185b4d 100644
> --- a/arch/sh/cpu/u-boot.lds
> +++ b/arch/sh/cpu/u-boot.lds
> @@ -9,7 +9,12 @@
>
>  #include "config.h"
>
> +#ifdef CONFIG_SYS_BIG_ENDIAN
> +OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-sh-linux")
> +#else
>  OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
> +#endif
> +
>  OUTPUT_ARCH(sh)
>
>  MEMORY
> --
> 2.9.4
>



-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6


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