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cvw/sim/verilator/README.md

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Simulation with Verilator

Different executables will be built for different architecture configurations, e.g., rv64gc, rv32i. A executable can run all the test suites that it can run with +TEST=<testsuite>.

Demand:

  • Avoid unnecessary compilation by sharing the same executable for a specific configuration
    • executables are stored in obj_dir_non_profiling and obj_dir_profiling correspondingly
  • Wsim should support -s verilator option and run simulation with Verilator.

Folder Structure

This folder contains the following files that help the simulation of Wally with Verilator:

  • Makefile: simplify the usage with Verialtor
  • executables
    • obj_dir_non_profiling: non-profiling executables for different configurations
    • obj_dir_profiling: profiling executables for different configurations
  • logs in logs and logs_profiling correspondingly
  • [NOT WORKING] logs: contains all the logs

Examples

# non-profiling mode
make WALLYCONF=rv64gc TEST=arch64i run
# profiling mode
make WALLYCONF=rv64gc TEST=arch64i profile

# remove all the temporary files, including executables and logs
make clean