How to handle overlapping RAM and ROM addreses ?

[Stelian Pop]

Le mercredi 13 février 2008 à 11:39 -0600, Michael Hennebry a écrit :
> On Wed, 13 Feb 2008, Stelian Pop wrote:
> > I'm working on a binutils/gcc port for a custom microcontroller. This
> > microcontroller has separate buses for RAM and ROM, and uses different
> > instructions to address the ROM and the RAM.
> >
> > How can I handle this in ld ? I could give a fake starting offset to one
> > of the two sections in order to make them not overlap, but maybe there
> > is a better way to handle this.
> >
> > Does this problem already exist with one of the supported
> > architectures ?
> 
> Yup.
> AVRs have three memory spaces and that is how the problem is handled.

Thanks, this is exactly what I needed.

Stelian.
-- 
Stelian Pop <stelian@popies.net>