help -- barebox on ARM Cortex M3

[Jean-Christophe PLAGNIOL-VILLARD]

Hi,

	please do not write HTML e-mail use plain/text
On 14:07 Tue 17 May     , Murthy, Ramana wrote:
>    Hi All,
> 
>     
> 
>    I am new to barebox. Now a days I am trying to port a good bootloader onto
>    ARM Cortex M3 based board. The board has enough memory, Serial and
>    Ethernet interfaces.
> 
>    Only thing lacking in Cortex M3 is MMU. Instead there is MPU(Memory
>    Protection Unit).
> 
>     
> 
>    Does barebox support ARM devices without MMU? If Yes, please point me to
>    the related links.
Basicaly Barebox does not enable the MMU on ARM but actually the assembly is
not write to be 100% compliant with Thumb2. Otherwise you will not have big
issue to add the M3 support

To enable the MMU you need to enable CONFIG_MMU otherwise noMMU enabled by
default

Best Regards,
J.