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Re: basic qemu question

From: David Beccue
Subject: Re: basic qemu question
Date: Fri, 12 Jun 2020 12:07:06 -0700

Thanks for your thoughts on this.

Yes, the analysis is just a library without src code that I compile into my firmware that runs on a Cortex-M3.

With close to speed parity, I guess I could at least run a bunch in parallel on my multicore AMD 1700x more easily than loading the code in 16 different hardware devices.  Plus, I assume that QEMU may have a way that I can send debug output to my host machine to store in files there, yes? 

On Fri, Jun 12, 2020 at 10:29 AM Alex Bennée <alex.bennee@linaro.org> wrote:
The following message is a courtesy copy of an article
that has been posted to gmane.comp.emulators.qemu.user as well.

David Beccue <David-UKP4QdZF84nQT0dZR+AlfA@public.gmane.org> writes:

> I have a pretty basic question about how qemu works... I have an
> analysis library (no source) for ARM Cortex M3 processor that I'd like
> to run on many files.

The analysis library runs on the Cortex-M3?

> My hardware would be very slow doing
> this. Will QEMU be able to run this faster (assuming a fast PC, ofc)?

There is a fairly big performance penalty for softmmu emulation but
given the speed of most modern PCs compared to microcontrollers you
would possibly be able to achieve parity.

> Cheers,
> David
> - - -
> David Beccue

Alex Bennée

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