Verdi_advance

Verdi_advance

ID:40984932

大小:1.68 MB

页数:131页

时间:2019-08-12

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1、DesignBetterDebugFasterDebugWorkshopDramaticallyenhanceyourdebuggingefficiency2005BasedonVerdi54v7DesignBetterDebugFasterDebugWorkshopAgenda°TraceSignalwithWrongTransition°Ifsignal’svaluegoeswrongaftersimulation°DebugMemory°Calculatememorycontentwithoutdumpingandtraceitswrittentime°TraceUnknownVal

2、ue°FindouttherootcauseofasignalwithunknownvalueautomaticallyDesignBetterDebugFasterDebugWorkshopAgenda°WaveformComparison°Findthemismatchbetween2fsdb’s°Automaticallyfindcauseifdesignisthesame°IsolateCircuitstoDebug°Focusonmoduleinterfacesignals°Debugbypartialschematics°Locateproblematicgateswithsi

3、mulationvaluestofan-inregisters°DebugCriticalPaths°DebugtheSTAreportefficientlyDesignBetterDebugFasterDebugWorkshopAgenda°ClockDomainAnalysis°Viewtheclocktreeandcalculateskew°Checkoutdatapathbetweentwodomains°ImportDesignFaster°ShortenthetimetoimporthugedesignonGUIwindow°Onlyimportsomesub-blocks°R

4、educeFSDBSize°UsenewPLItasksDesignBetterDebugFasterTraceSignalwithWrongTransition°CommonProblems°Mustopenmultiplesourcefilesandcorrelatesignalsinwaveformtojudgerealdriver°NovasSolution°DebugonVerdi’s“TemporalFlowGraph”by“TraceThisValue”°Use“ActiveTrace”with“ActiveAnnotation”incodesandwaveformsDesi

5、gnBetterDebugFasterTraceSignalwithWrongTransitionActiveTrace(1/2)°Purpose:°Refertosimulationresulttocatchtherealdriverforspecificsignalatagiventime°Usage:°ImportdesignwithFSDB°DoActiveTraceeitherby°Selectinterestedsignalandsetcursortothewrongtransitioninwaveformwindow°Doubleclickatthiswrongtransit

6、ion°OrselectsignalanddoActiveTracewithRMB(rightmousebutton)insourcecodewindow°Verdi/DebussywillhighlighttheactivedrivingstatementinsourcecodewindowDesignBetterDebugFasterTraceSignalwithWrongTransitionActiveTrace(2/2)3.Verdiwillhighlight3.Verdiwillhighlighttherealdrivingstatementtherealdrivingstate

7、ment1.Selectinterestedsignal1.Selectinterestedsignal2.Doubleclickonwrongtransition2.DoubleclickonwrongtransitionDesignBetterDebugFasterTraceSignalwithWrongTransitionActiveAnnotation(1/2)°Purpose:°Annotatesimulati

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