FuncUnit.py revision 13169:eb3b2bea4231
16019Shines@cs.fsu.edu# Copyright (c) 2010,2018 ARM Limited 26019Shines@cs.fsu.edu# All rights reserved. 37152Sgblack@eecs.umich.edu# 47152Sgblack@eecs.umich.edu# The license below extends only to copyright in the software and shall 57152Sgblack@eecs.umich.edu# not be construed as granting a license to any other intellectual 67152Sgblack@eecs.umich.edu# property including but not limited to intellectual property relating 77152Sgblack@eecs.umich.edu# to a hardware implementation of the functionality of the software 87152Sgblack@eecs.umich.edu# licensed hereunder. You may use the software subject to the license 97152Sgblack@eecs.umich.edu# terms below provided that you ensure that this notice is replicated 107152Sgblack@eecs.umich.edu# unmodified and in its entirety in all distributions of the software, 117152Sgblack@eecs.umich.edu# modified or unmodified, in source code or in binary form. 127152Sgblack@eecs.umich.edu# 137152Sgblack@eecs.umich.edu# Copyright (c) 2006-2007 The Regents of The University of Michigan 147152Sgblack@eecs.umich.edu# All rights reserved. 156019Shines@cs.fsu.edu# 166019Shines@cs.fsu.edu# Redistribution and use in source and binary forms, with or without 176019Shines@cs.fsu.edu# modification, are permitted provided that the following conditions are 186019Shines@cs.fsu.edu# met: redistributions of source code must retain the above copyright 196019Shines@cs.fsu.edu# notice, this list of conditions and the following disclaimer; 206019Shines@cs.fsu.edu# redistributions in binary form must reproduce the above copyright 216019Shines@cs.fsu.edu# notice, this list of conditions and the following disclaimer in the 226019Shines@cs.fsu.edu# documentation and/or other materials provided with the distribution; 236019Shines@cs.fsu.edu# neither the name of the copyright holders nor the names of its 246019Shines@cs.fsu.edu# contributors may be used to endorse or promote products derived from 256019Shines@cs.fsu.edu# this software without specific prior written permission. 266019Shines@cs.fsu.edu# 276019Shines@cs.fsu.edu# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 286019Shines@cs.fsu.edu# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 296019Shines@cs.fsu.edu# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 306019Shines@cs.fsu.edu# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 316019Shines@cs.fsu.edu# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 326019Shines@cs.fsu.edu# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 336019Shines@cs.fsu.edu# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 346019Shines@cs.fsu.edu# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 356019Shines@cs.fsu.edu# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 366019Shines@cs.fsu.edu# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 376019Shines@cs.fsu.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 386019Shines@cs.fsu.edu# 396019Shines@cs.fsu.edu# Authors: Kevin Lim 406019Shines@cs.fsu.edu 416019Shines@cs.fsu.edufrom m5.SimObject import SimObject 426019Shines@cs.fsu.edufrom m5.params import * 436019Shines@cs.fsu.edu 446019Shines@cs.fsu.educlass OpClass(Enum): 456019Shines@cs.fsu.edu vals = ['No_OpClass', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd', 466019Shines@cs.fsu.edu 'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatMultAcc', 'FloatDiv', 476019Shines@cs.fsu.edu 'FloatMisc', 'FloatSqrt', 487152Sgblack@eecs.umich.edu 'SimdAdd', 'SimdAddAcc', 'SimdAlu', 'SimdCmp', 'SimdCvt', 497152Sgblack@eecs.umich.edu 'SimdMisc', 'SimdMult', 'SimdMultAcc', 'SimdShift', 'SimdShiftAcc', 507152Sgblack@eecs.umich.edu 'SimdSqrt', 'SimdFloatAdd', 'SimdFloatAlu', 'SimdFloatCmp', 517152Sgblack@eecs.umich.edu 'SimdFloatCvt', 'SimdFloatDiv', 'SimdFloatMisc', 'SimdFloatMult', 527152Sgblack@eecs.umich.edu 'SimdFloatMultAcc', 'SimdFloatSqrt', 537152Sgblack@eecs.umich.edu 'SimdAes', 'SimdAesMix', 'SimdSha1Hash', 'SimdSha1Hash2', 547152Sgblack@eecs.umich.edu 'SimdSha256Hash', 'SimdSha256Hash2', 'SimdShaSigma2', 557152Sgblack@eecs.umich.edu 'SimdShaSigma3', 'MemRead', 'MemWrite', 567152Sgblack@eecs.umich.edu 'FloatMemRead', 'FloatMemWrite', 577152Sgblack@eecs.umich.edu 'IprAccess', 'InstPrefetch'] 587152Sgblack@eecs.umich.edu 597152Sgblack@eecs.umich.educlass OpDesc(SimObject): 607152Sgblack@eecs.umich.edu type = 'OpDesc' 617152Sgblack@eecs.umich.edu cxx_header = "cpu/func_unit.hh" 627152Sgblack@eecs.umich.edu opClass = Param.OpClass("type of operation") 637152Sgblack@eecs.umich.edu opLat = Param.Cycles(1, "cycles until result is available") 647152Sgblack@eecs.umich.edu pipelined = Param.Bool(True, "set to true when the functional unit for" 657152Sgblack@eecs.umich.edu "this op is fully pipelined. False means not pipelined at all.") 667152Sgblack@eecs.umich.edu 677152Sgblack@eecs.umich.educlass FUDesc(SimObject): 687152Sgblack@eecs.umich.edu type = 'FUDesc' 697152Sgblack@eecs.umich.edu cxx_header = "cpu/func_unit.hh" 707152Sgblack@eecs.umich.edu count = Param.Int("number of these FU's available") 717152Sgblack@eecs.umich.edu opList = VectorParam.OpDesc("operation classes for this FU type") 727152Sgblack@eecs.umich.edu