[PATCH v2 1/1] sandbox: don't refer to symbol _init

[Rick Chen]

> From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Heinrich Schuchardt
> Sent: Wednesday, May 19, 2021 6:03 PM
> To: Simon Glass <sjg at chromium.org>
> Cc: Ovidiu Panait <ovidiu.panait at windriver.com>; Bin Meng <bmeng.cn at gmail.com>; Stefan Roese <sr at denx.de>; Masahiro Yamada <masahiroy at kernel.org>; u-boot at lists.denx.de; Heinrich Schuchardt <xypron.glpk at gmx.de>
> Subject: [PATCH v2 1/1] sandbox: don't refer to symbol _init
>
> GCC provides a symbol _init in crti.o on x86_64 and aarch64 but not on RISC-V. The following lines leads to a build error for sandbox_defconfig on RISC-V due to the missing symbol:
>
>     common/board_f.c:269:
>     #elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP)
>             gd->mon_len = (ulong)&_end - (ulong)_init;
>
> The sandbox code is not copied into the memory allocated using mmap().
> Hence we can safely use gd->mon_len = 0 to avoid the reference to _init.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> v2:
>         fix typo in commit message
> ---
>  common/board_f.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Rick Chen <rick at andestech.com>