SimpleMemory.py revision 9823:c8dd3368c6ba
111988Sandreas.sandberg@arm.com# Copyright (c) 2012-2013 ARM Limited 211988Sandreas.sandberg@arm.com# All rights reserved. 311988Sandreas.sandberg@arm.com# 411988Sandreas.sandberg@arm.com# The license below extends only to copyright in the software and shall 511988Sandreas.sandberg@arm.com# not be construed as granting a license to any other intellectual 611988Sandreas.sandberg@arm.com# property including but not limited to intellectual property relating 711988Sandreas.sandberg@arm.com# to a hardware implementation of the functionality of the software 811988Sandreas.sandberg@arm.com# licensed hereunder. You may use the software subject to the license 911988Sandreas.sandberg@arm.com# terms below provided that you ensure that this notice is replicated 1011988Sandreas.sandberg@arm.com# unmodified and in its entirety in all distributions of the software, 1111988Sandreas.sandberg@arm.com# modified or unmodified, in source code or in binary form. 1211988Sandreas.sandberg@arm.com# 1311988Sandreas.sandberg@arm.com# Copyright (c) 2005-2008 The Regents of The University of Michigan 1411988Sandreas.sandberg@arm.com# All rights reserved. 1511988Sandreas.sandberg@arm.com# 1611988Sandreas.sandberg@arm.com# Redistribution and use in source and binary forms, with or without 1711988Sandreas.sandberg@arm.com# modification, are permitted provided that the following conditions are 1811988Sandreas.sandberg@arm.com# met: redistributions of source code must retain the above copyright 1911988Sandreas.sandberg@arm.com# notice, this list of conditions and the following disclaimer; 2011988Sandreas.sandberg@arm.com# redistributions in binary form must reproduce the above copyright 2111988Sandreas.sandberg@arm.com# notice, this list of conditions and the following disclaimer in the 2211988Sandreas.sandberg@arm.com# documentation and/or other materials provided with the distribution; 2311988Sandreas.sandberg@arm.com# neither the name of the copyright holders nor the names of its 2411988Sandreas.sandberg@arm.com# contributors may be used to endorse or promote products derived from 2511988Sandreas.sandberg@arm.com# this software without specific prior written permission. 2611988Sandreas.sandberg@arm.com# 2711988Sandreas.sandberg@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2811988Sandreas.sandberg@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2911988Sandreas.sandberg@arm.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3011988Sandreas.sandberg@arm.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3111988Sandreas.sandberg@arm.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3211988Sandreas.sandberg@arm.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3311988Sandreas.sandberg@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3411988Sandreas.sandberg@arm.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3511988Sandreas.sandberg@arm.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3611988Sandreas.sandberg@arm.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3711988Sandreas.sandberg@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3811988Sandreas.sandberg@arm.com# 3911988Sandreas.sandberg@arm.com# Authors: Nathan Binkert 4011988Sandreas.sandberg@arm.com# Andreas Hansson 4111988Sandreas.sandberg@arm.com 4211988Sandreas.sandberg@arm.comfrom m5.params import * 4311988Sandreas.sandberg@arm.comfrom AbstractMemory import * 4411988Sandreas.sandberg@arm.com 4511988Sandreas.sandberg@arm.comclass SimpleMemory(AbstractMemory): 4611988Sandreas.sandberg@arm.com type = 'SimpleMemory' 4711988Sandreas.sandberg@arm.com cxx_header = "mem/simple_mem.hh" 4811988Sandreas.sandberg@arm.com port = SlavePort("Slave ports") 4912035Sandreas.sandberg@arm.com latency = Param.Latency('30ns', "Request to response latency") 5012035Sandreas.sandberg@arm.com latency_var = Param.Latency('0ns', "Request to response latency variance") 5111988Sandreas.sandberg@arm.com # The memory bandwidth limit default is set to 12.8GB/s which is 5211988Sandreas.sandberg@arm.com # representative of a x64 DDR3-1600 channel. 5311988Sandreas.sandberg@arm.com bandwidth = Param.MemoryBandwidth('12.8GB/s', 5411988Sandreas.sandberg@arm.com "Combined read and write bandwidth") 5512334Sgabeblack@google.com