Subject: Re: N32 support
To: Wayne Knowles <wdk@netbsd.org>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: port-mips
Date: 01/07/2002 08:52:32
On Mon, Jan 07, 2002 at 09:03:35PM +1300, Wayne Knowles wrote:

 > As previously mentioned, if the setregs_n32 function is placed in the
 > compat/irix sources a lot of the complaints will probably disappear.

No.  Because IRIX programs are going to expect the trap entry points
to save/restore all 64-bits of the registers.

Basically, this requires full 64-bit support.

 > The mips64 topic has been raised on this list before, and general
 > agreement is that there isn't any reason to change unless there is a
 > significant benefit.  This translates into having LP64 support along with
 > the necessary toolchain support.

Actually N32 is a perfectly good reason to do so, and Simon Burge and
I have been (slowly) working out the details for a while now.

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