From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] startup: introduce global.endianness variable
Date: Mon, 3 May 2021 13:16:43 +0200 [thread overview]
Message-ID: <20210503111643.GY19819@pengutronix.de> (raw)
In-Reply-To: <20210426143025.149717-1-antonynpavlov@gmail.com>
Hi Antony,
On Mon, Apr 26, 2021 at 05:30:25PM +0300, Antony Pavlov wrote:
> 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";
PowerPC is for sure big endian, but doesn't set CONFIG_CPU_BIG_ENDIAN,
so will be erroneously be identified as little endian with this patch.
Either you fix that or depend on something like #if __BYTE_ORDER ==
__LITTLE_ENDIAN
Sascha
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next prev parent reply other threads:[~2021-05-03 11:21 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
2021-05-03 11:16 ` Sascha Hauer [this message]
2021-05-11 6:58 ` Antony Pavlov
2021-05-11 7:52 ` Sascha Hauer
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