On 04/26/2012 07:03 AM, Wolfgang Denk wrote:
> Dear Rob,
>
> arch/arm/cpu/armv7/highbank/config.mk contains this setting:
>
> PLATFORM_CPPFLAGS += -march=armv7-a
>
> This results in code bueing built with the follwoing compiler options:
>
> ... -march=armv5 -march=armv7-a ...
>
> This is a bad idea - dependign on tool chain used, this may result in
> compiler errors ("error: bad value (armv7-a) for -march= switch"), or
> undefined behaviour, as it is not clear which option is used by the
> compiler.
>
> Can you please provide a fix? Thanks!
The issue is I require a wfi assembly instruction for reset, so I would
have to hard code the machine code to work on all compilers.
Rob
>
> Best regards,
>
> Wolfgang Denk
>
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