Subject: Re: k0/k1 register while mulhi/mullo manipulation
To: None <port-mips@netbsd.org, port-pmax@netbsd.org>
From: Michael L. Hitch <mhitch@lightning.msu.montana.edu>
List: port-mips
Date: 02/23/2000 13:22:07
On Wed, 23 Feb 2000, Jason Thorpe wrote:

> Personally, I find the whole kdbaux thing to be a little suspicious...  It
> occurs to me that what you really want to do is just always reserve the
> space on the stack frame for the saved registers, and maybe save yourself
> the work of actually saving/restoring them if you don't have DDB in the
> kernel.

  How about even only reserving space in the trapframe for those registers
when DDB is defined as well?  Then you don't have the stack space taken up
as well when DDB isn't in the kernel.

--
Michael L. Hitch			mhitch@montana.edu
Computer Consultant
Information Technology Center
Montana State University	Bozeman, MT	USA