# EMACS settings: -*- tab-width: 2; indent-tabs-mode: t; python-indent-offset: 2 -*-
# vim: tabstop=2:shiftwidth=2:noexpandtab
# kate: tab-width 2; replace-tabs off; indent-width 2;
#
# ==============================================================================
# Authors: Patrick Lehmann
# Martin Zabel
#
# Python Module: Mentor ModelSim simulator.
#
# License:
# ==============================================================================
# Copyright 2017-2018 Patrick Lehmann - Bötzingen, Germany
# Copyright 2007-2016 Technische Universität Dresden - Germany
# Chair of VLSI-Design, Diagnostics and Architecture
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
#
# load dependencies
from pathlib import Path
from textwrap import dedent
from pyIPCMI.Base.Project import FileTypes, ToolChain, Tool
from pyIPCMI.DataBase.Config import Vendors
from pyIPCMI.ToolChain.Mentor.ModelSim import ModelSim
from pyIPCMI.ToolChain.Mentor.QuestaSim import QuestaSimException
from pyIPCMI.Simulator import VHDL_TESTBENCH_LIBRARY_NAME, SimulatorException, SkipableSimulatorException, SimulationSteps, Simulator as BaseSimulator
from pyIPCMI.Simulator.ModelSimSimulator import Simulator as ModelSimSimulator_Simulator
__api__ = [
'Simulator'
]
__all__ = __api__
[docs]class Simulator(ModelSimSimulator_Simulator):
TOOL_CHAIN = ToolChain.Mentor_QuestaSim
TOOL = Tool.Mentor_vSim
def __init__(self, host, dryRun, simulationSteps):
# A separate elaboration step is not implemented in ModelSim
simulationSteps &= ~SimulationSteps.Elaborate
super().__init__(host, dryRun, simulationSteps)
vSimSimulatorFiles = host.Config['CONFIG.DirectoryNames']['ModelSimFiles']
self.Directories.Working = host.Directories.Temp / vSimSimulatorFiles
self.Directories.PreCompiled = host.Directories.PreCompiled / vSimSimulatorFiles
self.ModelSimIniDirectoryPath = self.Directories.PreCompiled
self.ModelSimIniPath = "modelsim.ini"
if (SimulationSteps.CleanUpBefore in self._simulationSteps):
pass
if (SimulationSteps.Prepare in self._simulationSteps):
self._PrepareSimulationEnvironment()
self._PrepareSimulator()
[docs] def _PrepareSimulator(self):
# create the ModelSim executable factory
self.LogVerbose("Preparing Mentor simulator.")
# for sectionName in ['INSTALL.Mentor.QuestaSim', 'INSTALL.Mentor.ModelSim', 'INSTALL.Altera.ModelSim']:
# if (len(self.Host.Config.options(sectionName)) != 0):
# break
# else:
# XXX: check SectionName if ModelSim is configured
# raise NotConfiguredException(
# "Neither Mentor Graphics ModelSim, ModelSim PE nor ModelSim Altera-Edition are configured on this system.")
# questaSection = self.Host.Config[sectionName]
# binaryPath = Path(questaSection['BinaryDirectory'])
# version = questaSection['Version']
binaryPath = Path(self.Host.Config['INSTALL.ModelSim']['BinaryDirectory'])
version = self.Host.Config['INSTALL.ModelSim']['Version']
self._toolChain = ModelSim(self.Host.Platform, self.DryRun, binaryPath, version, logger=self.Logger)
[docs] def Run(self, testbench, board, vhdlVersion, vhdlGenerics=None):
# TODO: refactor into a ModelSim module, shared by ModelSim and Cocotb (-> MixIn class)?
# select modelsim.ini
if board.Device.Vendor is Vendors.Altera: self.ModelSimIniDirectoryPath /= self.Host.Config['CONFIG.DirectoryNames']['AlteraSpecificFiles']
elif board.Device.Vendor is Vendors.Lattice: self.ModelSimIniDirectoryPath /= self.Host.Config['CONFIG.DirectoryNames']['LatticeSpecificFiles']
elif board.Device.Vendor is Vendors.Xilinx: self.ModelSimIniDirectoryPath /= self.Host.Config['CONFIG.DirectoryNames']['XilinxSpecificFiles']
self.ModelSimIniPath = self.ModelSimIniDirectoryPath / self.ModelSimIniPath
if not self.ModelSimIniPath.exists():
raise SimulatorException("ModelSim ini file '{0!s}' not found.".format(self.ModelSimIniPath)) \
from FileNotFoundError(str(self.ModelSimIniPath))
super().Run(testbench, board, vhdlVersion, vhdlGenerics)
[docs] def _RunAnalysis(self, _):
# create a VHDLCompiler instance
vlib = self._toolChain.GetVHDLLibraryTool()
for lib in self._pyIPCMIProject.VHDLLibraries:
vlib.Parameters[vlib.SwitchLibraryName] = lib.Name
vlib.CreateLibrary()
# create a VHDLCompiler instance
vcom = self._toolChain.GetVHDLCompiler()
vcom.Parameters[vcom.FlagQuietMode] = True
vcom.Parameters[vcom.FlagExplicit] = True
vcom.Parameters[vcom.FlagRangeCheck] = True
vcom.Parameters[vcom.SwitchModelSimIniFile] = self.ModelSimIniPath.as_posix()
vcom.Parameters[vcom.SwitchVHDLVersion] = repr(self._vhdlVersion)
recompileScriptContent = dedent("""\
puts "Recompiling..."
""")
# run vcom compile for each VHDL file
for file in self._pyIPCMIProject.Files(fileType=FileTypes.VHDLSourceFile):
if (not file.Path.exists()): raise SimulatorException("Cannot analyse '{0!s}'.".format(file.Path)) from FileNotFoundError(str(file.Path))
vcomLogFile = self.Directories.Working / (file.Path.stem + ".vcom.log")
vcom.Parameters[vcom.SwitchVHDLLibrary] = file.LibraryName
vcom.Parameters[vcom.ArgLogFile] = vcomLogFile
vcom.Parameters[vcom.ArgSourceFile] = file.Path
try:
vcom.Compile()
except QuestaSimException as ex:
raise SimulatorException("Error while compiling '{0!s}'.".format(file.Path)) from ex
if vcom.HasErrors:
raise SkipableSimulatorException("Error while compiling '{0!s}'.".format(file.Path))
# delete empty log files
if (vcomLogFile.stat().st_size == 0):
try:
vcomLogFile.unlink()
except OSError as ex:
raise SimulatorException("Error while deleting '{0!s}'.".format(vcomLogFile)) from ex
# collecting all compile commands in a buffer
recompileScriptContent += dedent("""\
puts " Compiling '{file}'..."
{tcl}
""").format(
file=file.Path.as_posix(),
tcl=vcom.GetTclCommand()
)
recompileScriptContent += dedent("""\
puts "Recompilation done"
puts "Restarting simulation..."
restart -force
puts "Simulation is restarted."
""")
recompileScriptContent = recompileScriptContent.replace("\\", "/") # WORKAROUND: to convert all paths to Tcl compatible paths.
recompileScriptPath = self.Directories.Working / "recompile.do"
self.LogDebug("Writing recompile script to '{0!s}'".format(recompileScriptPath))
with recompileScriptPath.open('w') as fileHandle:
fileHandle.write(recompileScriptContent)
[docs] def _RunSimulation(self, testbench):
if (SimulationSteps.ShowWaveform in self._simulationSteps):
return self._RunSimulationWithGUI(testbench)
tclBatchFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimBatchScript']
tclDefaultBatchFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimDefaultBatchScript']
# create a VHDLSimulator instance
vsim = self._toolChain.GetSimulator()
vsim.Parameters[vsim.SwitchModelSimIniFile] = self.ModelSimIniPath.as_posix()
# vsim.Parameters[vsim.FlagEnableOptimization] = True # FIXME:
vsim.Parameters[vsim.FlagReportAsError] = "3473"
vsim.Parameters[vsim.SwitchTimeResolution] = "1fs"
vsim.Parameters[vsim.FlagCommandLineMode] = True
vsim.Parameters[vsim.SwitchTopLevel] = "{0}.{1}".format(VHDL_TESTBENCH_LIBRARY_NAME, testbench.ModuleName)
# find a Tcl batch script for the BATCH mode
vsimBatchCommand = ""
if (tclBatchFilePath.exists()):
self.LogDebug("Found Tcl script for BATCH mode: '{0!s}'".format(tclBatchFilePath))
vsimBatchCommand += "do {0};".format(tclBatchFilePath.as_posix())
elif (tclDefaultBatchFilePath.exists()):
self.LogDebug("Falling back to default Tcl script for BATCH mode: '{0!s}'".format(tclDefaultBatchFilePath))
vsimBatchCommand += "do {0};".format(tclDefaultBatchFilePath.as_posix())
else:
raise QuestaSimException("No Tcl batch script for BATCH mode found.") \
from FileNotFoundError(str(tclDefaultBatchFilePath))
vsim.Parameters[vsim.SwitchBatchCommand] = vsimBatchCommand
testbench.Result = vsim.Simulate()
[docs] def _RunSimulationWithGUI(self, testbench):
tclGUIFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimGUIScript']
tclWaveFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimWaveScript']
tclDefaultGUIFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimDefaultGUIScript']
tclDefaultWaveFilePath = self.Host.Directories.Root / self.Host.Config[testbench.ConfigSectionName]['vSimDefaultWaveScript']
# create a VHDLSimulator instance
vsim = self._toolChain.GetSimulator()
vsim.Parameters[vsim.SwitchModelSimIniFile] = self.ModelSimIniPath.as_posix()
# vsim.Parameters[vsim.FlagEnableOptimization] = True # FIXME:
vsim.Parameters[vsim.FlagReportAsError] = "3473"
vsim.Parameters[vsim.SwitchTimeResolution] = "1fs"
vsim.Parameters[vsim.FlagGuiMode] = True
vsim.Parameters[vsim.SwitchTopLevel] = "{0}.{1}".format(VHDL_TESTBENCH_LIBRARY_NAME, testbench.ModuleName)
# vsim.Parameters[vsim.SwitchTitle] = testbenchName
vsimDefaultWaveCommands = "add wave *"
# find a Tcl batch script to load predefined signals in the waveform window
vsimBatchCommand = ""
self.LogDebug("'{0!s}'\n '{1!s}'".format(tclWaveFilePath, self.Host.Directories.Root))
if (tclWaveFilePath != self.Host.Directories.Root):
if (tclWaveFilePath.exists()):
self.LogDebug("Found waveform script: '{0!s}'".format(tclWaveFilePath))
vsimBatchCommand = "do {0};".format(tclWaveFilePath.as_posix())
elif (tclDefaultWaveFilePath != self.Host.Directories.Root):
if (tclDefaultWaveFilePath.exists()):
self.LogDebug("Found default waveform script: '{0!s}'".format(tclDefaultWaveFilePath))
vsimBatchCommand = "do {0};".format(tclDefaultWaveFilePath.as_posix())
else:
self.LogDebug("Couldn't find default waveform script: '{0!s}'. Loading default command '{1}'.".format(tclDefaultWaveFilePath, vsimDefaultWaveCommands))
vsimBatchCommand = "{0};".format(vsimDefaultWaveCommands)
else:
self.LogDebug("Couldn't find waveform script: '{0!s}'. Loading default command '{1}'.".format(tclWaveFilePath, vsimDefaultWaveCommands))
vsim.Parameters[vsim.SwitchBatchCommand] = "{0};".format(vsimDefaultWaveCommands)
elif (tclDefaultWaveFilePath != self.Host.Directories.Root):
if (tclDefaultWaveFilePath.exists()):
self.LogDebug("Falling back to default waveform script: '{0!s}'".format(tclDefaultWaveFilePath))
vsimBatchCommand = "do {0};".format(tclDefaultWaveFilePath.as_posix())
else:
self.LogDebug("Couldn't find default waveform script: '{0!s}'. Loading default command '{1}'.".format(tclDefaultWaveFilePath, vsimDefaultWaveCommands))
vsimBatchCommand = "{0};".format(vsimDefaultWaveCommands)
else:
self.LogWarning("No waveform script specified. Loading default command '{1}'.".format(vsimDefaultWaveCommands))
vsimBatchCommand = "{0};".format(vsimDefaultWaveCommands)
# find a Tcl batch script for the GUI mode
vsimRunScript = ""
if (tclGUIFilePath.exists()):
self.LogDebug("Found Tcl script for GUI mode: '{0!s}'".format(tclGUIFilePath))
vsimRunScript = tclGUIFilePath.as_posix()
vsimBatchCommand += "do {0};".format(vsimRunScript)
elif (tclDefaultGUIFilePath.exists()):
self.LogDebug("Falling back to default Tcl script for GUI mode: '{0!s}'".format(tclDefaultGUIFilePath))
vsimRunScript = tclDefaultGUIFilePath.as_posix()
vsimBatchCommand += "do {0};".format(vsimRunScript)
else:
raise QuestaSimException("No Tcl batch script for GUI mode found.") \
from FileNotFoundError(str(tclDefaultGUIFilePath))
vsim.Parameters[vsim.SwitchBatchCommand] = vsimBatchCommand
# writing a relaunch file
recompileScriptPath = self.Directories.Working / "recompile.do"
relaunchScriptPath = self.Directories.Working / "relaunch.do"
saveWaveformScriptPath = self.Directories.Working / "saveWaveform.do"
relaunchScriptContent = dedent("""\
puts "Loading recompile script '{recompileScript}'..."
do {recompileScript}
puts "Loading run script '{runScript}'..."
do {runScript}
""").format(
recompileScript=recompileScriptPath.as_posix(),
runScript=vsimRunScript
)
self.LogDebug("Writing relaunch script to '{0!s}'".format(relaunchScriptPath))
with relaunchScriptPath.open('w') as fileHandle:
fileHandle.write(relaunchScriptContent)
# writing a saveWaveform file
saveWaveformScriptContent = dedent("""\
puts "Saving waveform settings to '{waveformFile}'..."
write format wave -window .main_pane.wave.interior.cs.body.pw.wf {waveformFile}
""").format(
waveformFile=tclWaveFilePath.as_posix()
)
self.LogDebug("Writing saveWaveform script to '{0!s}'".format(saveWaveformScriptPath))
with saveWaveformScriptPath.open('w') as fileHandle:
fileHandle.write(saveWaveformScriptContent)
testbench.Result = vsim.Simulate()