Sorry, typo in my last post. By VMMR3HwAccRunGC() I mean VMMR3RawRunGC(). Thanks Ryan
On Nov 8, 2007 12:23 PM, Ryan Riley <[EMAIL PROTECTED]> wrote: > I've been staring at that for a while and I think I've realized I may > be trying to go about this the wrong way. Let me try a different > question a different way. I have a list of memory pages that, if > executed from, need to be executed using the recompiler. I want to > ensure that any instructions off of those pages are never run in raw > mode. > > The trouble I'm having is determining, before the call to > VMMR3HwAccRunGC(), which instructions may be run in raw mode by that > call. I don't even need it to be exact, I just need to know if one of > the pages in my list has the potential to have code executed off of > it. > > Thanks > Ryan > > > On Nov 8, 2007 5:45 AM, Sander van Leeuwen <[EMAIL PROTECTED]> wrote: > > We already have code in place which does exactly that. There are limits > > as to how much you can scan though. > > See /src/VBox/VMM/PATM/CSAM.cpp, CSAMR3CheckCodeEx. Called before > > executing ring 0 code in > > raw mode (/src/VBox/VMM/EM.cpp). > > > > > > Ryan Riley wrote: > > > I'm doing a small hack on VirtualBox for a local research project and > > > was hoping someone could point me in the right direction for what I > > > want to do. Basically, before a piece of guest ring 0 code gets > > > executed, I want to know what addresses may potentially get run. I > > > can do this fairly easily by setting pVM->fRawR0Enabled=false and > > > hacking the recompiler to check each instruction before translating it > > > (which is what I do now) but for performance reasons I would really > > > like to scan the code right before execution and let it run natively > > > if there are no problems. Does anyone have any thoughts on where I > > > could get started? > > > > > > Thanks > > > Ryan > > > > > > _______________________________________________ > > > vbox-dev mailing list > > > [email protected] > > > http://vbox.innotek.de/mailman/listinfo/vbox-dev > > > > > > > > > -- > > Kind regards / mit freundlichen Gruessen / Met vriendelijke groet > > Sander van Leeuwen > > > > innoTek GmbH > > [EMAIL PROTECTED] > > http://www.innotek.de > > Germany > > > > > > > > _______________________________________________ > > vbox-dev mailing list > > [email protected] > > http://vbox.innotek.de/mailman/listinfo/vbox-dev > > > _______________________________________________ vbox-dev mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-dev
