[PATCH 1/1] sandbox: add symbol _init for RISC-V compilation

[Bin Meng <bmeng.cn@gmail.com>]

On Thu, May 13, 2021 at 10:46 PM Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
>
> The sandbox does not build on RISC-V when _init is not defined. Errors like
> the following were observed. Which function was referred to depended on the
> configuration.
>
>     /usr/bin/ld: common/built-in.o: in function `parse_stream_outer':
>     /common/cli_hush.c:3175: undefined reference to `_init'
>     collect2: error: ld returned 1 exit status
>     make: *** [Makefile:1726: u-boot] Error 1
>
>     /usr/bin/ld: common/built-in.o: in function `bootdelay_process':
>     common/autoboot.c:335: undefined reference to `_init'
>     collect2: error: ld returned 1 exit status
>     make: *** [Makefile:1726: u-boot] Error 1
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
>  arch/sandbox/cpu/u-boot.lds | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/sandbox/cpu/u-boot.lds b/arch/sandbox/cpu/u-boot.lds
> index a1f509c9ab..d9e7ffcea3 100644
> --- a/arch/sandbox/cpu/u-boot.lds
> +++ b/arch/sandbox/cpu/u-boot.lds
> @@ -9,6 +9,8 @@ SECTIONS
>  {
>
>         . = ALIGN(4);
> +       /* RISC-V GCC wants this dummy symbol */

Native GCC on RISC-V?

RISC-V GCC sounds like cross-compile for RISC-V

> +       _init = .;
>         .u_boot_list : {
>                 KEEP(*(SORT(.u_boot_list*)));
>         }
> --


Regards,
Bin