FuncUnitConfig.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 413223SN/Afrom m5.SimObject import SimObject 4210806Snilay@cs.wisc.edufrom m5.defines import buildEnv 433223SN/Afrom m5.params import * 443223SN/Afrom FuncUnit import * 453223SN/A 463223SN/Aclass IntALU(FUDesc): 473223SN/A opList = [ OpDesc(opClass='IntAlu') ] 483223SN/A count = 6 493223SN/A 503223SN/Aclass IntMultDiv(FUDesc): 513223SN/A opList = [ OpDesc(opClass='IntMult', opLat=3), 5210807Snilay@cs.wisc.edu OpDesc(opClass='IntDiv', opLat=20, pipelined=False) ] 5310806Snilay@cs.wisc.edu 5410806Snilay@cs.wisc.edu # DIV and IDIV instructions in x86 are implemented using a loop which 5510806Snilay@cs.wisc.edu # issues division microops. The latency of these microops should really be 5610806Snilay@cs.wisc.edu # one (or a small number) cycle each since each of these computes one bit 5710806Snilay@cs.wisc.edu # of the quotient. 5810806Snilay@cs.wisc.edu if buildEnv['TARGET_ISA'] in ('x86'): 5910806Snilay@cs.wisc.edu opList[1].opLat=1 6010806Snilay@cs.wisc.edu 613223SN/A count=2 623223SN/A 633223SN/Aclass FP_ALU(FUDesc): 643223SN/A opList = [ OpDesc(opClass='FloatAdd', opLat=2), 653223SN/A OpDesc(opClass='FloatCmp', opLat=2), 663223SN/A OpDesc(opClass='FloatCvt', opLat=2) ] 673223SN/A count = 4 683223SN/A 693223SN/Aclass FP_MultDiv(FUDesc): 703223SN/A opList = [ OpDesc(opClass='FloatMult', opLat=4), 7111683Sfernando.endo2@gmail.com OpDesc(opClass='FloatMultAcc', opLat=5), 7211683Sfernando.endo2@gmail.com OpDesc(opClass='FloatMisc', opLat=3), 7310807Snilay@cs.wisc.edu OpDesc(opClass='FloatDiv', opLat=12, pipelined=False), 7410807Snilay@cs.wisc.edu OpDesc(opClass='FloatSqrt', opLat=24, pipelined=False) ] 753223SN/A count = 2 763223SN/A 777760SGiacomo.Gabrielli@arm.comclass SIMD_Unit(FUDesc): 787760SGiacomo.Gabrielli@arm.com opList = [ OpDesc(opClass='SimdAdd'), 797760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdAddAcc'), 807760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdAlu'), 817760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdCmp'), 827760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdCvt'), 837760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdMisc'), 847760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdMult'), 857760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdMultAcc'), 867760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdShift'), 877760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdShiftAcc'), 887760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdSqrt'), 897760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatAdd'), 907760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatAlu'), 917760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatCmp'), 927760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatCvt'), 937760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatDiv'), 947760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatMisc'), 957760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatMult'), 967760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatMultAcc'), 977760SGiacomo.Gabrielli@arm.com OpDesc(opClass='SimdFloatSqrt') ] 987760SGiacomo.Gabrielli@arm.com count = 4 997760SGiacomo.Gabrielli@arm.com 1003223SN/Aclass ReadPort(FUDesc): 10111683Sfernando.endo2@gmail.com opList = [ OpDesc(opClass='MemRead'), 10211683Sfernando.endo2@gmail.com OpDesc(opClass='FloatMemRead') ] 1033223SN/A count = 0 1043223SN/A 1053223SN/Aclass WritePort(FUDesc): 10611683Sfernando.endo2@gmail.com opList = [ OpDesc(opClass='MemWrite'), 10711683Sfernando.endo2@gmail.com OpDesc(opClass='FloatMemWrite') ] 1083223SN/A count = 0 1093223SN/A 1103223SN/Aclass RdWrPort(FUDesc): 11111683Sfernando.endo2@gmail.com opList = [ OpDesc(opClass='MemRead'), OpDesc(opClass='MemWrite'), 11211683Sfernando.endo2@gmail.com OpDesc(opClass='FloatMemRead'), OpDesc(opClass='FloatMemWrite')] 1133223SN/A count = 4 1143223SN/A 1153223SN/Aclass IprPort(FUDesc): 11610807Snilay@cs.wisc.edu opList = [ OpDesc(opClass='IprAccess', opLat = 3, pipelined = False) ] 1173223SN/A count = 1 1183223SN/A 119