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Re: [Qemu-devel] How difficult to strip this down?

From: Herbert Pötzl
Subject: Re: [Qemu-devel] How difficult to strip this down?
Date: Wed, 16 Jul 2003 02:18:45 +0200
User-agent: Mutt/1.3.28i

On Tue, Jul 15, 2003 at 03:58:56PM -0700, Bradon Kanyid wrote:
> Hi,
> I was wondering about how difficult it would be to strip down the cpu 
> emulation to a simpler form? I need a x86 emulator that will work on an 
> ARM9, but I don't need a lot of the extras that are included in your 
> source. Really, I only need 80186 cpu emulation, and very little else. I 
> was wondering if hacking out all the rest would be easy, or is this just a 
> waste of my time? Also, you didn't post any benchmarks for the ARM with 
> your recent benchmarks. My current emulation is probably about 20 arm 
> instructions to 1 x86 instruction (I'm using a crappy MAME cpu core), and 
> it appears for other cpus like the PPC that you get a 10-1 ratio. If I 
> could get something like that, that'd be great. Anyways, this project looks 
> great, and I'd like to be able to use it, but if it's something totally 
> different from what I'm looking for, I'd like to know before I waste my 
> time. Thanks

maybe you should also have a look at bintrans
a dynamic binary translator which uses a generalized
machine description to go from one architecture to
the other ...

although it does not support arm yet, it is easy to
adapt/extend and very fast ...


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