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// -*- mode:c++ -*-
// Copyright (c) 2007-2008 The Florida State University
// 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;
// redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution;
// neither the name of the copyright holders nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Authors: Stephen Hines
////////////////////////////////////////////////////////////////////
//
// Bitfield definitions.
//
// Opcode fields
def bitfield ENCODING encoding;
def bitfield OPCODE opcode;
def bitfield MEDIA_OPCODE mediaOpcode;
def bitfield MEDIA_OPCODE2 mediaOpcode2;
def bitfield USEIMM useImm;
def bitfield OPCODE_24 opcode24;
def bitfield OPCODE_23_20 opcode23_20;
def bitfield OPCODE_23_21 opcode23_21;
def bitfield OPCODE_22 opcode22;
def bitfield OPCODE_20 opcode20;
def bitfield OPCODE_19 opcode19;
def bitfield OPCODE_18 opcode18;
def bitfield OPCODE_15_12 opcode15_12;
def bitfield OPCODE_15 opcode15;
def bitfield MISC_OPCODE miscOpcode;
def bitfield OPC2 opc2;
def bitfield OPCODE_7 opcode7;
def bitfield OPCODE_4 opcode4;
def bitfield IS_MISC isMisc;
def bitfield SEVEN_AND_FOUR sevenAndFour;
// Other
def bitfield COND_CODE condCode;
def bitfield S_FIELD sField;
def bitfield RN rn;
def bitfield RD rd;
def bitfield SHIFT_SIZE shiftSize;
def bitfield SHIFT shift;
def bitfield RM rm;
def bitfield RS rs;
def bitfield PUSWL puswl;
def bitfield PREPOST puswl.prepost;
def bitfield UP puswl.up;
def bitfield PSRUSER puswl.psruser;
def bitfield WRITEBACK puswl.writeback;
def bitfield LOADOP puswl.loadOp;
def bitfield PUBWL pubwl;
def bitfield IMM imm;
def bitfield IMMED_11_0 immed11_0;
def bitfield IMMED_HI_11_8 immedHi11_8;
def bitfield IMMED_LO_3_0 immedLo3_0;
def bitfield IMMED_23_0 immed23_0;
def bitfield CPNUM cpNum;
// Note that FP Regs are only 3 bits
def bitfield FN fn;
def bitfield FD fd;
def bitfield FPREGIMM fpRegImm;
// We can just use 3:0 for FM since the hard-wired FP regs are handled in
// float_regfile.hh
def bitfield FM fm;
def bitfield FPIMM fpImm;
def bitfield PUNWL punwl;
// M5 instructions
def bitfield M5FUNC m5Func;
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