I discovered I had a bad TimerDxe implementation. Fixing it resolved the issue.
Thanks, Varad On Thursday 20 November 2014 10:16 PM, Andrew Fish wrote: >> On Nov 20, 2014, at 8:31 AM, Varad Gautam <varadgau...@gmail.com> wrote: >> >> How is TerminalConInTimerHandler() [1] invoked? Is it a poll mechanism >> that is required to run forever? I've dissected TerminalDxe and >> discovered that it is never called on BBB, which I believe is the root >> of my issue. > If the TerminalDriverBindingStart() function is succeeding then the device > path is likely correct. > > TerminalConInTimerHandler() is an event handler that is registered here: > https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c#L958 > > The gBS->CreateEvent associates the function with the event. The > gBS->SetTimer() sets the period of the callback on the event. > > The Timer services is part of UEFI and provided by the DxeCore. The DxeCore > depends on the Timer Architectural Protocol to provide a timer tick. > > https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Core/Dxe/DxeMain/DxeProtocolNotify.c#L31 > > If the Timer Tick is registered the gTimer global will be non NULL and setup > to callback in to the DXE Core periodically. > > Thanks, > > Andrew Fish > >> The device paths seem to be correct (checked by printing >> the generated DevicePath in Terminal.c [2]). >> >> [1] >> https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c#L510 >> [2] >> https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c#L651 >> >> Thanks, >> Varad >> >> ------------------------------------------------------------------------------ >> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server >> from Actuate! Instantly Supercharge Your Business Reports and Dashboards >> with Interactivity, Sharing, Native Excel Exports, App Integration & more >> Get technology previously reserved for billion-dollar corporations, FREE >> http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk >> _______________________________________________ >> edk2-devel mailing list >> edk2-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/edk2-devel > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/edk2-devel ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151&iu=/4140/ostg.clktrk _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel
