[PATCH 04/10] xtensa: Define PLATFORM_ELFFLAGS

[Jiaxun Yang]

在2024年5月20日五月 下午4:18，Max Filippov写道：
> On Sun, May 19, 2024 at 1:53 PM Jiaxun Yang <jiaxun.yang at flygoat.com> wrote:
>>
>> u-boot.elf target requiures it to work.
>
> Typo.
>
>> Signed-off-by: Jiaxun Yang <jiaxun.yang at flygoat.com>
>> ---
>>  arch/xtensa/config.mk | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/arch/xtensa/config.mk b/arch/xtensa/config.mk
>> index b0809999e403..3ec936272f25 100644
>> --- a/arch/xtensa/config.mk
>> +++ b/arch/xtensa/config.mk
>> @@ -7,3 +7,6 @@ PLATFORM_CPPFLAGS += -D__XTENSA__ -mlongcalls -mforce-no-pic \
>>                      -ffunction-sections -fdata-sections
>>
>>  LDFLAGS_FINAL += --gc-sections
>> +
>> +PLATFORM_ELFFLAGS += -B xtensa -O elf32-xtensa-le
>> +
>
> This fixes endianness as little for the whole architecture, but xtensa cores
> may be either little or big endian.

Hi Max,

Thanks for reviewing, I can just add a branch with ifdef CONFIG_SYS_BIG_EDNIAN
if you wish, but I think all CPUs U-Boot support are little endian only?

I have an ongoing series[1] fixing endian selection options, please let me know if
U-Boot do work with big endian Xtensa.

Thanks.

[1]: https://patchwork.ozlabs.org/project/uboot/patch/20240519-aarch64-be-v1-11-75cc328eddfa@flygoat.com/

>
> -- 
> Thanks.
> -- Max

-- 
- Jiaxun