Re: [ros-dev] [ros-diffs] [aandrejevic] 66666: [NTVDM][FAST486] - Implement VDDInstallMemoryHook and VDDDeInstallMemoryHook using page guards. - Implement another API for memory hooks that should be faster than page guards ...

[Alexander Andrejevic]

I call it the Yahtzee revision, because it's 5 sixes (highest possible
result you can get with 5 dice). :)

On Fri, Mar 13, 2015 at 10:02:35PM +0300, Aleksey Bragin wrote:
> Allright, so NTVDM is evil.
> Pretty good choice, as I wouldn't want to taint kernel or other important
> part of the system by 66666 commit made on Friday 13th... ;-)
>
> Regards,
> Aleksey Bragin
>
> On 13.03.2015 20:57, [e-mail] wrote:
> > Author: aandrejevic
> > Date: Fri Mar 13 17:57:51 2015
> > New Revision: 66666
> >
> > URL: http://svn.reactos.org/svn/reactos?rev=66666&view=rev
> > Log:
> > [NTVDM][FAST486]
> > Implement VDDInstallMemoryHook and VDDDeInstallMemoryHook using page guards.
> > Implement another API for memory hooks that should be faster than page guards
> >
> > (for NTVDM only).
> > Adjust the VGA and EMS memory handlers to use this method.
> > In Fast486, implement a method that will allow us to "rewind" the current instruction,
> >
> > in case it was interrupted by a memory hook page fault.
> > Use a memory hook to protect the BIOS ROM from being written to.
>
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-- 
Alexander Andrejevic [e-mail]
SDF Public Access UNIX System - http://sdf.lonestar.org