Re: [Qemu-devel] [PATCH, RFC] BSD user emulator

["Blue Swirl" <blauwirbel@gmail.com>]

On 8/27/08, Andreas Färber <andreas.faerber@web.de> wrote:
> Hi,
>
>  Am 25.08.2008 um 20:45 schrieb Blue Swirl:
>
>
> > This is a preliminary implementation of BSD user emulator. Some files
> > inside bsd-user contain a lot of unwanted cruft copied from linux-user
> > and ldscript is not used. But it can already run a handcrafted Sparc64
> > helloworld file (on OpenBSD/Sparc64 host)
> >
>  [...]
>
> > I think in BSD (at least OpenBSD), system call numbers, system call
> > parameters, ioctls, and signal numbers are shared across
> > architectures, maybe even between *BSDs. If it's true, it should make
> > the emulator much simpler than Linux one.
> >
>
>  Recently I had investigated the idea of a Haiku user emulator. Looking at
> your patch, I see a lot of similarities with what I saw in the linux-user
> dir, but your patch is not an svn diff and marks all files as fully new
> against /dev/null, so it's hard to spot the actual differences to
> linux-user...
>
>  In light of getting more userland emulations, do you see possibilities to
> move shared stuff to a new "user" dir rather than copying them to each
> *-user dir? The ELF loading for instance?

I don't think so, Fabrice was strongly against such merges:
http://article.gmane.org/gmane.comp.emulators.qemu/20864