help -- barebox on ARM Cortex M3
plagnioj at jcrosoft.com
Tue May 17 06:42:54 EDT 2011
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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
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