Re: [Qemu-devel] [PATCH v2 02/13] hvf: add code base from Google's QEMU repository

[Stefan Hajnoczi]

On Wed, Aug 30, 2017 at 03:26:51AM -0500, Sergio Andres Gomez Del Real wrote:
> This file begins tracking the files that will be the code base for HVF
> support in QEMU. This code base is part of Google's QEMU version of
> their Android emulator, and can be found at
> https://android.googlesource.com/platform/external/qemu/+/emu-master-dev
> 
> This code is based on Veertu Inc's vdhh (Veertu Desktop Hosted
> Hypervisor), found at https://github.com/veertuinc/vdhh. Everything is
> appropriately licensed under GPL v2.
> 
> This code base already implements a very great deal of functionality,
> although Google's version removed from Vertuu's the support for APIC
> page and hyperv-related stuff. According to the Android Emulator Release
> Notes, Revision 26.1.3 (August 2017), "Hypervisor.framework is now
> enabled by default on macOS for 32-bit x86 images to improve performance
> and macOS compatibility", although we better use with caution for, as the
> same Revision warns us, "If you experience issues with it specifically,
> please file a bug report...". The code hasn't seen much update in the
> last 5 months, so I think that we can further develop the code with
> occasional visiting Google's repository to see if there has been any
> update.
> 
> The code's style isn't aligned to QEMU's standards; this will be fixed
> in a subsequent patch in this series.
> On top of this code base we are implementing the following features: fix
> the code that passes the cpuid features to the guest; implementing dirty
> page tracking for vga memory region; reimplementing the event injection
> mechanism for exception injection and many other minor
> fixes/refactoring that are documented in their respective patches.
> 
> Signed-off-by: Sergio Andres Gomez Del Real <address@hidden>
> ---

This looks like a reasonable approach to getting Hypervisor.framework
support.  I haven't reviewed the details but it contains all the pieces
one would expect.

Which guest OSes have you booted successfully?

Stefan