gem5/src/cpu/FuncUnit.py
2010-11-15 14:04:04 -06:00

63 lines
3.1 KiB
Python

# Copyright (c) 2010 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Copyright (c) 2006-2007 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
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# neither the name of the copyright holders nor the names of its
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# Authors: Kevin Lim
from m5.SimObject import SimObject
from m5.params import *
class OpClass(Enum):
vals = ['No_OpClass', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd',
'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatDiv', 'FloatSqrt',
'SimdAdd', 'SimdAddAcc', 'SimdAlu', 'SimdCmp', 'SimdCvt',
'SimdMisc', 'SimdMult', 'SimdMultAcc', 'SimdShift', 'SimdShiftAcc',
'SimdSqrt', 'SimdFloatAdd', 'SimdFloatAlu', 'SimdFloatCmp',
'SimdFloatCvt', 'SimdFloatDiv', 'SimdFloatMisc', 'SimdFloatMult',
'SimdFloatMultAcc', 'SimdFloatSqrt',
'MemRead', 'MemWrite', 'IprAccess', 'InstPrefetch']
class OpDesc(SimObject):
type = 'OpDesc'
issueLat = Param.Int(1, "cycles until another can be issued")
opClass = Param.OpClass("type of operation")
opLat = Param.Int(1, "cycles until result is available")
class FUDesc(SimObject):
type = 'FUDesc'
count = Param.Int("number of these FU's available")
opList = VectorParam.OpDesc("operation classes for this FU type")