Subject: Re: make paddr_t 64bit on arc port
To: Jeff Smith <jeffs@geocast.com>
From: Jason R Thorpe <thorpej@zembu.com>
List: port-mips
Date: 06/07/2000 13:29:21
On Wed, Jun 07, 2000 at 12:55:43PM -0700, Jeff Smith wrote:

 > Really?  I'd generally consider the arc machines to be "small"
 > machines.  I could see this for odd PCI devices, but I would have
 > thought framebuffers would have a 32b compatable address space
 > to maintain compatability with existing operating systems.

The PCI BAR probably is in 32-bit space, but like on Alpha, that
is mapped into a 64-bit SysBus address.

Some of the ARC machines (e.g. later NEC RISCserver) are pretty beefy.

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>