Subject: Re: savecore_flags="-z"
To: Jonathan Stone <jonathan@DSG.Stanford.EDU>
From: Jason Thorpe <email@example.com>
Date: 12/02/1999 14:35:27
On Thu, 02 Dec 1999 14:25:18 -0800
Jonathan Stone <jonathan@DSG.Stanford.EDU> wrote:
> Let me try asking another way, then. Suppose we wanted to support
> this (as Eduardo implied Sun does). Is it just a question of
> supporting the PTE format in the i386 pmap, or are there other things
> that'd break-- like, say, the kernel assuming it can simultaneously
> map all of one user virtual-address space, plus all of physical
The i386 port does not assume it can map all of physical memory at once.
> Does NetBSD already support phyical memory > max process virtual
> address space on non-x86 hardware, like the Sun hardware Eduardo
> mentioned, where the kernel can't map all of physical memory (or was
> that a Solaris kernel?)
Dunno. Though, I would assume that e.g. the SPARC pmap can cope with
it, considering that it already has to use > 32-bit physical space just
to access e.g. Sbus and on-board devices...
-- Jason R. Thorpe <firstname.lastname@example.org>