FuncUnit.py revision 4486
1# Copyright (c) 2006-2007 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Kevin Lim 28 29from m5.SimObject import SimObject 30from m5.params import * 31 32class OpType(Enum): 33 vals = ['(null)', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd', 34 'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatDiv', 'FloatSqrt', 35 'MemRead', 'MemWrite', 'IprAccess', 'InstPrefetch'] 36 37class OpDesc(SimObject): 38 type = 'OpDesc' 39 issueLat = Param.Int(1, "cycles until another can be issued") 40 opClass = Param.OpType("type of operation") 41 opLat = Param.Int(1, "cycles until result is available") 42 43class FUDesc(SimObject): 44 type = 'FUDesc' 45 count = Param.Int("number of these FU's available") 46 opList = VectorParam.OpDesc("operation classes for this FU type") 47