# -*- mode:python -*-

# Copyright (c) 2013 ARM Limited
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#
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# property including but not limited to intellectual property relating
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# this software without specific prior written permission.
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# Authors: Andreas Hansson

import os

Import('main')

# See if we got a cloned DRAMSim2 repo as a subdirectory and set the
# HAVE_DRAMSIM flag accordingly
if not os.path.exists(Dir('.').srcnode().abspath + '/DRAMSim2'):
    main['HAVE_DRAMSIM'] = False
    Return()

# We have got the folder, so add the library and build the wrappers
main['HAVE_DRAMSIM'] = True

# Add the appropriate files. We leave out the trace driven simulator
dram_files = []

def DRAMFile(filename):
    dram_files.append(File('DRAMSim2/' + filename))

DRAMFile('AddressMapping.cpp')
DRAMFile('Bank.cpp')
DRAMFile('BankState.cpp')
DRAMFile('BusPacket.cpp')
DRAMFile('ClockDomain.cpp')
DRAMFile('CommandQueue.cpp')
DRAMFile('IniReader.cpp')
DRAMFile('MemoryController.cpp')
DRAMFile('MemorySystem.cpp')
DRAMFile('MultiChannelMemorySystem.cpp')
DRAMFile('Rank.cpp')
DRAMFile('SimulatorObject.cpp')
DRAMFile('Transaction.cpp')

# DRAMSim2 violates some of the warning flags used by gem5, so
# we explicitly disable them here
dramenv = main.Clone()
dramenv.Append(CCFLAGS=['-Wno-unused-value'])

# If we are using clang, there are more flags to disable
if main['CLANG']:
    dramenv.Append(CCFLAGS=['-Wno-unused-private-field',
                            '-Wno-tautological-undefined-compare'])

# Tell DRAMSim2 to not store any data as this is already covered by
# the wrapper
dramenv.Append(CCFLAGS=['-DNO_STORAGE'])

dramenv.Library('dramsim2', [dramenv.SharedObject(f) for f in dram_files])

main.Prepend(CPPPATH=Dir('.'))
main.Append(LIBS=['dramsim2'])
main.Prepend(LIBPATH=[Dir('.')])