[U-Boot] [PATCH] nios2: fix r15 issue for gcc4
Thomas Chou
thomas at wytron.com.tw
Thu May 20 03:32:37 CEST 2010
Mike Frysinger wrote:
> On Friday 14 May 2010 18:00:04 Thomas Chou wrote:
>> The "-ffixed-r15" option doesn't work well for gcc4. Since we
>> don't use gp for small data with option "-G0", we can use gp
>> as global data pointer. This allows compiler to use r15. It
>> is necessary for gcc4 to work properly.
>>
>> Signed-off-by: Thomas Chou <thomas at wytron.com.tw>
>> ---
>> arch/nios2/config.mk | 2 +-
>> arch/nios2/cpu/start.S | 7 -------
>> arch/nios2/include/asm/global_data.h | 2 +-
>> 3 files changed, 2 insertions(+), 9 deletions(-)
>
> i think you also need to update examples/standalone/stubs.c
>
> maybe also document things in README and doc/README.standalone ?
> -mike
Dear Mike,
Thank you very mcuh.
The nios2 gd usage was not documented. I will add it to README and
doc/README.standalone. I will update examples/standalone/stubs.c, too.
Best regards,
Thomas
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