[PATCH] startup: introduce global.endianness variable

[Antony Pavlov]

On Mon, 26 Apr 2021 17:30:25 +0300
Antony Pavlov <antonynpavlov at gmail.com> wrote:

ping

> The global.endianness variable makes it possible
> to determine current endian mode from command
> line or from script on bi-endian capable system.
> 
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> ---
>  common/globalvar.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/common/globalvar.c b/common/globalvar.c
> index a55b38b00f..75ce6331b7 100644
> --- a/common/globalvar.c
> +++ b/common/globalvar.c
> @@ -641,6 +641,8 @@ int globalvar_add_simple_ip(const char *name, IPaddr_t *ip)
>  
>  static int globalvar_init(void)
>  {
> +	const char *endianness;
> +
>  	register_device(&global_device);
>  
>  	if (IS_ENABLED(CONFIG_NVVAR))
> @@ -651,6 +653,13 @@ static int globalvar_init(void)
>  	if (strlen(buildsystem_version_string) > 0)
>  		globalvar_add_simple("buildsystem.version", buildsystem_version_string);
>  
> +	if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
> +		endianness = "big";
> +	else
> +		endianness = "little";
> +
> +	globalvar_add_simple("endianness", endianness);
> +
>  	return 0;
>  }
>  pure_initcall(globalvar_init);
> @@ -658,6 +667,7 @@ pure_initcall(globalvar_init);
>  BAREBOX_MAGICVAR(global.version, "The barebox version");
>  BAREBOX_MAGICVAR(global.buildsystem.version,
>  		 "version of buildsystem barebox was built with");
> +BAREBOX_MAGICVAR(global.endianness, "The barebox endianness");
>  
>  /**
>   * nvvar_save - save NV variables to persistent environment
> -- 
> 2.31.1
> 


-- 
Best regards,
  Antony Pavlov