[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] Absolute Mouse in VNC and debug ports patch
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] Absolute Mouse in VNC and debug ports patch |
Date: |
Sat, 3 Apr 2010 16:26:52 +0100 |
User-agent: |
KMail/1.12.4 (Linux/2.6.33-2-amd64; KDE/4.3.4; x86_64; ; ) |
> This is my first contribution to QEMU: I've written a virtual piece of
> hardware (e.g. ports) that the mouse pointer can be used as an absolute
> pointing device even with non USB devices, e.g. with DOS and doesn't need
> any high memory usage USB driver. This is necessary for e.g. VNC remote
> access, this was my primary motivation.
Why not just use the existing vmmouse?
> To use it you need a mouse driver (e.g. cutemouse,
> http://cutemouse.sourceforge.net/) and an QEMU mouse TSR.
> Further the mouse TSR emulates also a HP-HIL 45911 tablet digitizer. This
> device has been chosen because an Interrupt interface exists at INT 6Fh and
> therefore it is relativly easy to emulate (all other devices I've evaluated
> use the serial port and are therefore much more complex to emulate)
However emulating an actual tablet connected to the serial port means you
don't need any custom guest software.
>Further I've written a simple logging debug ports functionality to debug the
>driver
This looks a lot like the existing isa-debugcon.
Paul