On Mon, 6 Apr 2020 15:13:25 +0300
Antony Pavlov <antonynpavlov@xxxxxxxxx> wrote:
Hi Sascha,
The global.version (and global.endianness) variable can
be easely modified by user.
Can we make it immutable?
--
Best regards,
Antony Pavlov
> The global.endianness variable make it possible
> to determine current endian mode from command
> line or from script on bi-endian capable system.
>
> Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
> ---
> common/globalvar.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/common/globalvar.c b/common/globalvar.c
> index c87f2c9339..264833f88c 100644
> --- a/common/globalvar.c
> +++ b/common/globalvar.c
> @@ -591,6 +591,8 @@ 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))
> @@ -598,11 +600,19 @@ static int globalvar_init(void)
>
> globalvar_add_simple("version", UTS_RELEASE);
>
> + if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
> + endianness = "big";
> + else
> + endianness = "little";
> +
> + globalvar_add_simple("endianness", endianness);
> +
> return 0;
> }
> pure_initcall(globalvar_init);
>
> BAREBOX_MAGICVAR_NAMED(global_version, global.version, "The barebox version");
> +BAREBOX_MAGICVAR_NAMED(global_endianness, global.endianness, "The barebox endianness");
>
> /**
> * nvvar_save - save NV variables to persistent environment
> --
> 2.25.0
>
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