FuncUnit.py revision 11683
17760SGiacomo.Gabrielli@arm.com# Copyright (c) 2010 ARM Limited 27760SGiacomo.Gabrielli@arm.com# All rights reserved. 37760SGiacomo.Gabrielli@arm.com# 47760SGiacomo.Gabrielli@arm.com# The license below extends only to copyright in the software and shall 57760SGiacomo.Gabrielli@arm.com# not be construed as granting a license to any other intellectual 67760SGiacomo.Gabrielli@arm.com# property including but not limited to intellectual property relating 77760SGiacomo.Gabrielli@arm.com# to a hardware implementation of the functionality of the software 87760SGiacomo.Gabrielli@arm.com# licensed hereunder. You may use the software subject to the license 97760SGiacomo.Gabrielli@arm.com# terms below provided that you ensure that this notice is replicated 107760SGiacomo.Gabrielli@arm.com# unmodified and in its entirety in all distributions of the software, 117760SGiacomo.Gabrielli@arm.com# modified or unmodified, in source code or in binary form. 127760SGiacomo.Gabrielli@arm.com# 134486Sbinkertn@umich.edu# Copyright (c) 2006-2007 The Regents of The University of Michigan 144486Sbinkertn@umich.edu# All rights reserved. 154486Sbinkertn@umich.edu# 164486Sbinkertn@umich.edu# Redistribution and use in source and binary forms, with or without 174486Sbinkertn@umich.edu# modification, are permitted provided that the following conditions are 184486Sbinkertn@umich.edu# met: redistributions of source code must retain the above copyright 194486Sbinkertn@umich.edu# notice, this list of conditions and the following disclaimer; 204486Sbinkertn@umich.edu# redistributions in binary form must reproduce the above copyright 214486Sbinkertn@umich.edu# notice, this list of conditions and the following disclaimer in the 224486Sbinkertn@umich.edu# documentation and/or other materials provided with the distribution; 234486Sbinkertn@umich.edu# neither the name of the copyright holders nor the names of its 244486Sbinkertn@umich.edu# contributors may be used to endorse or promote products derived from 254486Sbinkertn@umich.edu# this software without specific prior written permission. 264486Sbinkertn@umich.edu# 274486Sbinkertn@umich.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 284486Sbinkertn@umich.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 294486Sbinkertn@umich.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 304486Sbinkertn@umich.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 314486Sbinkertn@umich.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 324486Sbinkertn@umich.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 334486Sbinkertn@umich.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 344486Sbinkertn@umich.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 354486Sbinkertn@umich.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 364486Sbinkertn@umich.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 374486Sbinkertn@umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 384486Sbinkertn@umich.edu# 394486Sbinkertn@umich.edu# Authors: Kevin Lim 404486Sbinkertn@umich.edu 413102SN/Afrom m5.SimObject import SimObject 423102SN/Afrom m5.params import * 432736SN/A 444556Sbinkertn@umich.educlass OpClass(Enum): 454556Sbinkertn@umich.edu vals = ['No_OpClass', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd', 4611683Sfernando.endo2@gmail.com 'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatMultAcc', 'FloatDiv', 4711683Sfernando.endo2@gmail.com 'FloatMisc', 'FloatSqrt', 487760SGiacomo.Gabrielli@arm.com 'SimdAdd', 'SimdAddAcc', 'SimdAlu', 'SimdCmp', 'SimdCvt', 497760SGiacomo.Gabrielli@arm.com 'SimdMisc', 'SimdMult', 'SimdMultAcc', 'SimdShift', 'SimdShiftAcc', 507760SGiacomo.Gabrielli@arm.com 'SimdSqrt', 'SimdFloatAdd', 'SimdFloatAlu', 'SimdFloatCmp', 517760SGiacomo.Gabrielli@arm.com 'SimdFloatCvt', 'SimdFloatDiv', 'SimdFloatMisc', 'SimdFloatMult', 527760SGiacomo.Gabrielli@arm.com 'SimdFloatMultAcc', 'SimdFloatSqrt', 5311683Sfernando.endo2@gmail.com 'MemRead', 'MemWrite', 'FloatMemRead', 'FloatMemWrite', 5411683Sfernando.endo2@gmail.com 'IprAccess', 'InstPrefetch'] 552736SN/A 562736SN/Aclass OpDesc(SimObject): 572736SN/A type = 'OpDesc' 589338SAndreas.Sandberg@arm.com cxx_header = "cpu/func_unit.hh" 594556Sbinkertn@umich.edu opClass = Param.OpClass("type of operation") 609184Sandreas.hansson@arm.com opLat = Param.Cycles(1, "cycles until result is available") 6110807Snilay@cs.wisc.edu pipelined = Param.Bool(True, "set to true when the functional unit for" 6210807Snilay@cs.wisc.edu "this op is fully pipelined. False means not pipelined at all.") 632736SN/A 642736SN/Aclass FUDesc(SimObject): 652736SN/A type = 'FUDesc' 669338SAndreas.Sandberg@arm.com cxx_header = "cpu/func_unit.hh" 672736SN/A count = Param.Int("number of these FU's available") 682736SN/A opList = VectorParam.OpDesc("operation classes for this FU type") 69