Re: [Openocd-development] working_area and MMUs

[Dominic R. <Dom...@gm...>]

On Monday 18 February 2008 09:08:44 Øyvind Harboe wrote:
> I'd like to see working_area deal with RAM moving after the MMU has
> been enabled.
>
> How about adding an optional argument for a physical address?
>
> If the MMU is enabled the virtual address is used, otherwise the
> phsyical address is used. Default physical address is the same
> as the virtual address.
>
> Note that the virtual address does not need to point to the physical
> memory area used.
>
> Any better ideas? Objections?

I suppose the "clean" approach would be to make OpenOCD's target layer aware 
of virtual memory. Currently, MMU handling is implemented on a per-target 
level, where it is inaccessible to the code deciding where the working_area 
goes.

Regards,

Dominic