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Phase VMM OVM Purpose
Configuration Generation vmm_env::gen_cfg() Function new()/build() Function Hierarchical configuration could influence instantiation;In OVM, configuration is really controlled by the test object, which instantiates the env during build()
Component Instantiation vmm_env::build() Function build() Function  
Component Configuration vmm_env::build() Function build() Function Configuration could influence connections
Component Connection vmm_env::build() Function connect() Function All connections must be in place by run time; Connections are made after all components are (hierarchically) instantiated
Component Elaboration vmm_env::build() Function end_of_elaboration (this is really a callback that can be used as needed) Function Use to check integrity of elaborated design; For mixed-language, use this to ensure all cross-connections are sound
Pre-run activities vmm_env::notify.wait_for(vmm_env::BUILT);Not a phase N/A start_of_simulation (callback) Function
Power-on Reset vmm_env::rst_dut() Task run Task Domain reset must be deasserted before PCIE can sync, etc.
DUT setup vmm_env::rst_dut() Task run Task PLLs must lock, PCIE must sync before configuration writes can occur
DUT configuration vmm_env::cfg_dut() Task run Task DUT configuration must be in place before stimulus is applied
Start of Stimulus vmm_env::start() Task run Task Start stimulus generators
Body of Test vmm_env::wait_for_end() Task run Task Background stimulus should last as long as specified stimulus
End of Stimulus vmm_env::stop() Task stop() callback [task called while run() still executing] Task After stimulus "runs out", simulation should continue until checkers are satisfied or timeout
Post-test Clean-up vmm_env::clean_up() Task extract Function After checkers are satisfied, may need to read some registers
Post-test Clean-up vmm_env::clean_up() Task check Function
Final Report vmm_env::report() Task report Function Create pass/fail and print statistics

-- JlGray - 25 Jul 2008

Updated table to correct the OVM phases.

-- MarkStrickland - 28 Jul 2008 Updated table to add Purpose column

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Topic revision: r6 - 2008-09-04 - 16:15:33 - TomFitzpatrick
 
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