d2d581cf01
into zizzer.eecs.umich.edu:/.automount/zamp/z/ktlim2/clean/newmem --HG-- extra : convert_revision : 1d2f499bdc6e21c658a9262da1c8d27d6b74cafe
67 lines
2.8 KiB
C++
67 lines
2.8 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Steve Reinhardt
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* Nathan Binkert
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*/
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#ifndef __CPU__OP_CLASS_HH__
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#define __CPU__OP_CLASS_HH__
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/**
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* @file
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* Definition of operation classes.
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*/
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/**
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* Instruction operation classes. These classes are used for
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* assigning instructions to functional units.
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*/
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enum OpClass {
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No_OpClass = 0, ///< Instruction does not use a functional unit
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IntAluOp, ///< Integer ALU operaton (add/sub/logical)
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IntMultOp, ///< Integer multiply
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IntDivOp, ///< Integer divide
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FloatAddOp, ///< Floating point add/subtract
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FloatCmpOp, ///< Floating point comparison
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FloatCvtOp, ///< Floating point<->integer conversion
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FloatMultOp, ///< Floating point multiply
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FloatDivOp, ///< Floating point divide
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FloatSqrtOp, ///< Floating point square root
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MemReadOp, ///< Memory read port
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MemWriteOp, ///< Memory write port
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IprAccessOp, ///< Internal Processor Register read/write port
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InstPrefetchOp, ///< Instruction prefetch port (on I-cache)
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Num_OpClasses ///< Total number of operation classes
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};
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/**
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* Array mapping OpClass enum values to strings. Defined in op_class.cc.
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*/
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extern const char *opClassStrings[Num_OpClasses];
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#endif // __CPU__OP_CLASS_HH__
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