Simulator Configuration Guide for Synopsys Models

Simulator Configuration GuideChapter 7: Using QuickSim II with Synopsys ModelsTable 27: Signal Instance Command Summary (Continued)Feature Command DescriptionInformation dump Reports all available information about theselected instance of a hardware modeled devicelmc[-p shell | allshell]vectorReports the type of timing shell (Shell Softwareor technology file) for the selected instanceReports the runtime vector count of the selectedinstanceModel EvaluationBy default, all component instances are evaluated in QuickSim II. If you want to disableevaluation of models for selected instances, you can use the SIGnal INSTance disablecommand. This command isolates sections of the design and shortens the simulationtime for debugging purposes. To turn model evaluation on again for selected instances,you can use SIGnal INSTance enable.Timing Shell SelectionThe SIGnal INSTance lst command lets you use the hardware model’s Shell Softwaretiming files instead of the default technology file during evaluation of the selectedinstances. You can use the SIGnal INSTance nolst command to switch back to thetechnology file for selected instances.The optional -p all argument enables you to choose the type of timing shell for allhardware models in the design, if you have at least one instance selected. For example,you could use the following command before simulating:sig inst lst -p allQuickSim II ignores the technology files for all hardware models in the design and takethe timing (delays and timing checks) directly from the Shell Software. If you decidedyou wanted to use the technology files instead for all hardware models, you could usethe following command to switch back to the default timing shell without having toselect every instance:sig inst nolst -p allOctober 6, 2003 Synopsys, Inc. 179