remove logic related to verilator

.github/workflows/caravel_cocotb.yml

@@ -40,7 +40,7 @@ jobs:
         pip install flake8
 
     - name: Run Flake8
-      run: flake8 $GITHUB_WORKSPACE/cocotb
+      run: flake8 $GITHUB_WORKSPACE/cocotb --config $GITHUB_WORKSPACE/cocotb/.flake8
 
     - name: Install caravel_cocotb
       run: |

cocotb/caravel_cocotb/scripts/verify_cocotb/RunFlow.py

@@ -172,7 +172,7 @@ def set_args(self, design_info):
             self.args.pdk = "gf180"
 
         self.args.iverilog = False
-        if not self.args.vcs and not self.args.verilator:
+        if not self.args.vcs:
             self.args.iverilog = True
 
         if self.args.emailto is None:
@@ -255,8 +255,7 @@ def __init__(
         compile=False,
         run_defaults=False,
         CI=False,
-        no_gen_defaults=False,
-        verilator=False
+        no_gen_defaults=False
     ) -> None:
         self.test = test
         self.sim = sim
@@ -285,8 +284,7 @@ def __init__(
         self.run_defaults = run_defaults
         self.CI = CI
         self.no_gen_defaults = no_gen_defaults
-        self.verilator = verilator
-
+
     def argparse_to_CocotbArgs(self, args):
         self.test = args.test
         self.sim = args.sim

cocotb/caravel_cocotb/scripts/verify_cocotb/RunTest.py

@@ -107,8 +107,6 @@ def runTest(self):
             self.runTest_iverilog()
         elif self.args.vcs:
             self.runTest_vcs()
-        elif self.args.verilator:
-            self.runTest_verilator()
 
     # iverilog function
     def runTest_iverilog(self):
@@ -169,56 +167,6 @@ def _iverilog_docker_command_str(self, command=""):
         command = self.docker_command_str(docker_image="efabless/dv:cocotb", docker_dir=docker_dir, env_vars=env_vars, addtional_switchs=display, command=command)
         return command
 
-    # verilator function
-    def runTest_verilator(self):
-        macros = " -D" + " -D".join(self.test.macros)
-        env_vars = f"-e COCOTB_RESULTS_FILE={os.getenv('COCOTB_RESULTS_FILE')} -e CARAVEL_PATH={self.paths.CARAVEL_PATH} -e CARAVEL_VERILOG_PATH={self.paths.CARAVEL_VERILOG_PATH} -e VERILOG_PATH={self.paths.VERILOG_PATH} -e PDK_ROOT={self.paths.PDK_ROOT} -e PDK={self.paths.PDK} -e USER_PROJECT_VERILOG={self.paths.USER_PROJECT_ROOT}/verilog"
-        if self.test.sim == "GL_SDF":
-            self.logger.error(
-                f"iverilog can't run SDF for test {self.test.name} Please use anothor simulator like cvc"
-            )
-            return
-        self.test.set_user_project()
-        defines = GetDefines(self.test.includes_file)
-        seed = "" if self.args.seed is None else f"RANDOM_SEED={self.args.seed}"
-        verilator_command = (
-            f"cd {self.test.compilation_dir} && "
-            f" verilator {macros}  --binary -j 0 --no-timing -bbox-unsup -Wno-fatal "
-            f" {self.paths.CARAVEL_VERILOG_PATH}/rtl/toplevel_cocotb.v --top caravel_top  "
-            f'  --vpi --public-flat-rw --prefix Vtop -LDFLAGS "-Wl,-rpath,$(cocotb-config --lib-dir) -L$(cocotb-config --lib-dir) -lcocotbvpi_verilator -lgpi -lcocotb -lgpilog -lcocotbutils" $(cocotb-config --share)/lib/verilator/verilator.cpp'
-        )#--cc --exe --build --timing -bbox-unsup
-        print(verilator_command)
-        run_command = (f"cd {self.test.test_dir} && TESTCASE={self.test.name} MODULE=module_trail {seed}  {self.test.compilation_dir}/Vcaravel_top +{ ' +'.join(self.test.macros) } {' '.join([f'+{k}={v}' if v != ''else f'+{k}' for k, v in defines.defines.items()])}")
-        local_caravel_cocotb_path = caravel_cocotb.__file__.replace("__init__.py", "")
-        docker_caravel_cocotb_path = "/usr/local/lib/python3.8/dist-packages/caravel_cocotb/"
-        docker_dir = f"-v {self.paths.RUN_PATH}:{self.paths.RUN_PATH} -v {self.paths.CARAVEL_ROOT}:{self.paths.CARAVEL_ROOT} -v {self.paths.MCW_ROOT}:{self.paths.MCW_ROOT} -v {self.paths.PDK_ROOT}:{self.paths.PDK_ROOT} -v {local_caravel_cocotb_path}:{docker_caravel_cocotb_path} "
-        docker_dir += (f"-v {self.paths.USER_PROJECT_ROOT}:{self.paths.USER_PROJECT_ROOT}")
-        if os.path.exists("/mnt/scratch/"):
-            docker_dir += " -v /mnt/scratch/cocotb_runs/:/mnt/scratch/cocotb_runs/ "
-        display = " -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix -v $HOME/.Xauthority:/.Xauthority --network host --security-opt seccomp=unconfined "
-        docker_compilation_command = f"docker run --init -u $(id -u $USER):$(id -g $USER) -it --sig-proxy=true {display} {env_vars} {docker_dir} efabless/dv:cocotb sh -ec '{verilator_command}'"
-        docker_run_command = f"docker run --init -u $(id -u $USER):$(id -g $USER) -it --sig-proxy=true {display} {env_vars} {docker_dir} efabless/dv:cocotb sh -ec '{run_command}'"
-        if not os.path.isfile(f"{self.test.compilation_dir}/sim.vvp") or self.args.compile:
-            self.full_terminal = open(self.test.compilation_log, "w")
-            self.full_terminal.write("docker command for running iverilog and cocotb:\n% ")
-            self.full_terminal = open(self.test.compilation_log, "w")
-            self.full_terminal.write("docker command for running iverilog and cocotb:\n% ")
-            self.full_terminal.write(os.path.expandvars(docker_compilation_command) + "\n\n")
-            self.full_terminal.close()
-            run_command_write_to_file(
-                docker_compilation_command if not self.args.no_docker else verilator_command,
-                self.test.compilation_log,
-                self.logger,
-                quiet=True if self.args.verbosity == "quiet" else False
-            )
-
-        run_command_write_to_file(
-            docker_run_command if not self.args.no_docker else run_command,
-            None,
-            self.logger,
-            quiet=True if self.args.verbosity == "quiet" else False
-        )
-
     # vcs function
     def runTest_vcs(self):
         self.write_vcs_includes_file()