Re: Self modifying code in ARM 11 architectures

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CC'ing correct ARM mailing list.

On Tue, May 24, 2011 at 3:48 PM, Ashok Babu <ashok3d@xxxxxxxxx> wrote:
> Hi All,
>
> I am no success in booting up the ARM1176 processor with the
> linux-2.6.32 kernel.
> While googling about the ARM Harvard architecture, I came to know that
> we have to flush/invalidate the D-Cache and I-Cache
> when using the self modifying codes.
>
> So here my questions/doubts :
> 1) Is'nt it the kernel itself is self modifying code with lots of
> function pointers ?
>     If yes, how is synchronization b/w d-cache and i-cache handled in
> the kernel ?
> 2) Can this be the reason for the kernel not booting for me ?
>     Because If i disable the I-Cache in the config, then the kernel
> boots up without any issues.
> Any pointers on this will be of great help.
>
> Thanks & Best Regards
> Ashok
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-- 
Regards,
Vimal Singh
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