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[Qemu-devel] Re: Intel VMX support?

From: Arun Sharma
Subject: [Qemu-devel] Re: Intel VMX support?
Date: Thu, 9 Jun 2005 10:37:34 -0700
User-agent: Mutt/1.4.1i

Nate Lawson wrote:
> Have you considered adding support for this instruction set?
> http://cache-www.intel.com/cd/00/00/19/76/197666_197666.pdf

It's not clear if you're trying to execute instructions such as VMREAD
inside qemu or use qemu's device models + VT-x (used to be called VMX)
for executing instructions.

If it's the latter, the code is in xen-unstable now. Can boot Linux,
FreeBSD, MSDOS etc.

We took a 0.6.1 snapshot and were able to run with very few modifications
to the "hw" directory.

There were some discussions on where qemu should run on xen-devel (Look
for the thread "Device model architecture")

The main changes we did were:

- accelerate i8254 by moving parts into the hypervisor
- We had some hacks to run without the BIOS, but now that we have BIOS
  support, these can go away.

In general, we do have a desire to keep the tools/ioemu/hw directory in
Xen insync with the upstream qemu development.



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