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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org, Sascha Hauer <s.hauer@pengutronix.de>
Subject: Re: [PATCH] startup: introduce global.endianness variable
Date: Wed, 28 Apr 2021 07:39:51 +0300	[thread overview]
Message-ID: <20210428073951.36f4fbe7055a85b8a7171636@gmail.com> (raw)
In-Reply-To: <20210426143025.149717-1-antonynpavlov@gmail.com>

On Mon, 26 Apr 2021 17:30:25 +0300
Antony Pavlov <antonynpavlov@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@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

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  reply	other threads:[~2021-04-28  4:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-26 14:30 Antony Pavlov
2021-04-28  4:39 ` Antony Pavlov [this message]
2021-05-03 11:16 ` Sascha Hauer
2021-05-11  6:58   ` Antony Pavlov
2021-05-11  7:52     ` Sascha Hauer

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