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Re: [Qemu-devel] Looking for an easy way to exchange data bidirectional

From: Jim C. Brown
Subject: Re: [Qemu-devel] Looking for an easy way to exchange data bidirectional between host and guest (including some suggestion)
Date: Wed, 8 Jun 2005 14:33:35 -0400
User-agent: Mutt/1.4i

On Mon, Jun 06, 2005 at 04:54:25PM -0700, John R. Hogerhuis wrote:
> I can think of some reasons for a non-native file service that is
> instead built into QEMU:
<reasons snipped>
> -- John.

I agree with you there, especially for non-networked OS support. A qemu-specific
guest program will take in a file and tell qemu what the filename should be and
give it the size/contents of said file. Another such program will give qemu a
filename and recieve from qemu the size/contents of that file. qemu will do
read/writes on the host to satisfy such requires. This is not an argument
against adding file sharing network support in qemu though.

The way I see it:

OSes such as DOS, which are well known and still semi-popular can use their own
qemu guest app to handle this without the difficulty of setting up networking
(sidenote: i've never heard of anyone getting networking to work under DOS in

OSes such as Minix, which are not as well known nor as popular but support
networking easily can just use the tftp server (tho minix itself seems to
lack a tftp client) without the need of having to write a special guest app.

Infinite complexity begets infinite beauty.
Infinite precision begets infinite perfection.

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