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Re: GCC 4.3 target deprecation proposals

From: Jan-Benedict Glaw <jbglaw at lug-owl dot de>
To: Joe Buck <Joe dot Buck at synopsys dot COM>
Cc: Paolo Bonzini <bonzini at gnu dot org>, NightStrike <nightstrike at gmail dot com>, John David Anglin <dave at hiauly1 dot hia dot nrc dot ca>, "Joseph S. Myers" <joseph at codesourcery dot com>, gcc at gcc dot gnu dot org, liqin at sunnorth dot com dot cn, dave dot anglin at nrc dot ca, matt at 3am-software dot com, joern dot rennecke at arc dot com, m dot hayes at elec dot canterbury dot ac dot nz, nickc at redhat dot com, aldyh at redhat dot com, nathan at codesourcery dot com, ni1d at arrl dot net, geoffk at geoffk dot org, paul dot woegerer at nsc dot com
Date: Fri, 25 Jan 2008 02:53:34 +0100
Subject: Re: GCC 4.3 target deprecation proposals
References: <Pine.LNX.4.64.0801211859440.11050@digraph.polyomino.org.uk> <200801212005.m0LK55vR020709@hiauly1.hia.nrc.ca> <b609cb3b0801220106n52b3195k74c833c9802791f0@mail.gmail.com> <4795BC1F.2050303@gnu.org> <20080122183135.GD27567@synopsys.com> <20080123111831.GG4912@lug-owl.de> <20080123115700.GI4912@lug-owl.de>

On Wed, 2008-01-23 12:57:00 +0100, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:

I played a bit with it, so I can answer these questions myself:

> Most specific questions:
> 
>   - What is the largest HDD SIMH supports? There seems to be RA92
>     support, but that's only 1.5GB.  With today's software, I guess
>     the build requirements (checked-out trees of the software incl.
>     SCM metadata, ...) are way above that :)
> 
>     What's the best way to get a "real" amount of storage into NetBSD
>     on SIMH? NFS-mounting something from outside?

SIMH allows arbitrarily sized disks. Don't use "set rq0 ra92", but
"set rq0 rauser=20000" to get about 20GB.

>   - The NetBSD SIMH HOWTO
>     (http://www.netbsd.org/ports/vax/emulator-howto.html) refers to
>     load the ka655.bin eprom image, but upstream SIMH "only" contains
>     the hacked version (ka655x.bin), which supports more RAM. Is it
>     okay to assume NetBSD will accept this hacked ROM and give me as
>     much RAM inside the instance as possible with it?

Seems this will work with NetBSD. Maximum amount of RAM can be get
with "set cpu 512m".

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
Signature of:              Fortschritt bedeutet, einen Schritt so zu machen,
the second  :                   daÃ man den nÃchsten auch noch machen kann.

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References:
- GCC 4.3 target deprecation proposals
  - From: Joseph S. Myers
- Re: GCC 4.3 target deprecation proposals
  - From: John David Anglin
- Re: GCC 4.3 target deprecation proposals
  - From: NightStrike
- Re: GCC 4.3 target deprecation proposals
  - From: Paolo Bonzini
- Re: GCC 4.3 target deprecation proposals
  - From: Joe Buck
- Re: GCC 4.3 target deprecation proposals
  - From: Jan-Benedict Glaw
- Re: GCC 4.3 target deprecation proposals
  - From: Jan-Benedict Glaw

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