Subject: Re: change arm link address?
To: Chris Gilbert <email@example.com>
From: Richard Earnshaw <firstname.lastname@example.org>
Date: 10/23/2003 11:13:18
> Just browsing over the pmap code, and noticed this comment:
> * o If the vector_page is at 0x00000000 instead of 0xffff0000, then
> * MP systems will lose big-time because of the MMU domain hack.
> * The only way this can be solved (apart from moving the vector
> * page to 0xffff0000) is to reserve the first 1MB of user address
> * space for kernel use only. This would require re-linking all
> * applications so that the text section starts above this 1MB
> * boundary.
> I know that currently we don't do MP on arm, there was some work done to
> support hydra MP, and long term I believe that arch v6 chips will
> support SMP (although I'd guess they can remap the vector table)
> However I was wondering if NetBSD 2.0 would be a good day time to do
I think the best time to do it is when we switch to the AAPCS (as it's now