bitfields.isa revision 7101
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You may use the software subject to the license 114762Snate@binkert.org// terms below provided that you ensure that this notice is replicated 124762Snate@binkert.org// unmodified and in its entirety in all distributions of the software, 134762Snate@binkert.org// modified or unmodified, in source code or in binary form. 144762Snate@binkert.org// 154762Snate@binkert.org// Copyright (c) 2007-2008 The Florida State University 164762Snate@binkert.org// All rights reserved. 174762Snate@binkert.org// 184762Snate@binkert.org// Redistribution and use in source and binary forms, with or without 194762Snate@binkert.org// modification, are permitted provided that the following conditions are 204762Snate@binkert.org// met: redistributions of source code must retain the above copyright 214762Snate@binkert.org// notice, this list of conditions and the following disclaimer; 224762Snate@binkert.org// redistributions in binary form must reproduce the above copyright 234762Snate@binkert.org// notice, this list of conditions and the following disclaimer in the 244762Snate@binkert.org// documentation and/or other materials provided with the distribution; 254762Snate@binkert.org// neither the name of the copyright holders nor the names of its 264762Snate@binkert.org// contributors may be used to endorse or promote products derived from 274762Snate@binkert.org// this software without specific prior written permission. 284762Snate@binkert.org// 294762Snate@binkert.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 304762Snate@binkert.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 314762Snate@binkert.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 324762Snate@binkert.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 334762Snate@binkert.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 344762Snate@binkert.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40// 41// Authors: Stephen Hines 42 43//////////////////////////////////////////////////////////////////// 44// 45// Bitfield definitions. 46// 47 48// Opcode fields 49def bitfield ENCODING encoding; 50def bitfield OPCODE opcode; 51def bitfield MEDIA_OPCODE mediaOpcode; 52def bitfield MEDIA_OPCODE2 mediaOpcode2; 53def bitfield USEIMM useImm; 54def bitfield OPCODE_24 opcode24; 55def bitfield OPCODE_23_20 opcode23_20; 56def bitfield OPCODE_23_21 opcode23_21; 57def bitfield OPCODE_22 opcode22; 58def bitfield OPCODE_20 opcode20; 59def bitfield OPCODE_19 opcode19; 60def bitfield OPCODE_18 opcode18; 61def bitfield OPCODE_15_12 opcode15_12; 62def bitfield OPCODE_15 opcode15; 63def bitfield MISC_OPCODE miscOpcode; 64def bitfield OPC2 opc2; 65def bitfield OPCODE_7 opcode7; 66def bitfield OPCODE_4 opcode4; 67 68def bitfield IS_MISC isMisc; 69def bitfield SEVEN_AND_FOUR sevenAndFour; 70 71def bitfield THUMB thumb; 72def bitfield BIGTHUMB bigThumb; 73 74// Other 75def bitfield COND_CODE condCode; 76def bitfield S_FIELD sField; 77def bitfield RN rn; 78def bitfield RD rd; 79def bitfield SHIFT_SIZE shiftSize; 80def bitfield SHIFT shift; 81def bitfield RM rm; 82 83def bitfield RS rs; 84 85def bitfield PUSWL puswl; 86def bitfield PREPOST puswl.prepost; 87def bitfield UP puswl.up; 88def bitfield PSRUSER puswl.psruser; 89def bitfield WRITEBACK puswl.writeback; 90def bitfield LOADOP puswl.loadOp; 91 92def bitfield PUBWL pubwl; 93 94def bitfield IMM imm; 95 96def bitfield IMMED_11_0 immed11_0; 97 98def bitfield IMMED_HI_11_8 immedHi11_8; 99def bitfield IMMED_LO_3_0 immedLo3_0; 100 101def bitfield IMMED_23_0 immed23_0; 102 103def bitfield CPNUM cpNum; 104// Note that FP Regs are only 3 bits 105def bitfield FN fn; 106def bitfield FD fd; 107def bitfield FPREGIMM fpRegImm; 108// We can just use 3:0 for FM since the hard-wired FP regs are handled in 109// float_regfile.hh 110def bitfield FM fm; 111def bitfield FPIMM fpImm; 112def bitfield PUNWL punwl; 113 114// M5 instructions 115def bitfield M5FUNC m5Func; 116 117