From: "Kendall Bennett" <KendallB@scitechsoft.com>
Organization: SciTech Software, Inc.
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Date: Fri, 22 Oct 2004 10:10:43 -0700
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Subject: RE: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT?
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"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> wrote:

> I have done some experiments with this video post stuff. I think
> this should be done using x86 emulator rather than doing in real
> mode. The reason being, with an userlevel emulator we can call it
> at different times during resume. The current real mode videopost
> does it before the driver has restored the PCI config space. Some
> systems (mostly the ones with Radeon card) requires this to be
> done after PCI config space is restored. With a userspace
> emulator, we can call it at various places during the driver
> restore. 
> 
> I have seen the SciTech's x86 emulator in X.org. I could seperate
> it out from X into a stand alone application that does x86
> emulation. I use it to get the video back on my laptop (which has
> radeon card), by calling this user level emulator using
> usermodehelper call. I hope we will have x86 emulator sitting in a
> standard place in userspace. That way we can use it in driver
> restore and solve the S3 video restore problem in a more generic
> way. 

We already have all this code completely separate from X and would 
release this as part of the Video Boot package for Linux. The kernel 
module is one part of it, but the code can be compiled as a stand alone 
user land program as well (SNAPBoot we call it right now). 

Regards,

---
Kendall Bennett
Chief Executive Officer
SciTech Software, Inc.
Phone: (530) 894 8400
http://www.scitechsoft.com

~ SciTech SNAP - The future of device driver technology! ~


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