bitfields.isa revision 6275
16019Shines@cs.fsu.edu// -*- mode:c++ -*- 26019Shines@cs.fsu.edu 36019Shines@cs.fsu.edu// Copyright (c) 2007-2008 The Florida State University 46019Shines@cs.fsu.edu// All rights reserved. 56019Shines@cs.fsu.edu// 66019Shines@cs.fsu.edu// Redistribution and use in source and binary forms, with or without 76019Shines@cs.fsu.edu// modification, are permitted provided that the following conditions are 86019Shines@cs.fsu.edu// met: redistributions of source code must retain the above copyright 96019Shines@cs.fsu.edu// notice, this list of conditions and the following disclaimer; 106019Shines@cs.fsu.edu// redistributions in binary form must reproduce the above copyright 116019Shines@cs.fsu.edu// notice, this list of conditions and the following disclaimer in the 126019Shines@cs.fsu.edu// documentation and/or other materials provided with the distribution; 136019Shines@cs.fsu.edu// neither the name of the copyright holders nor the names of its 146019Shines@cs.fsu.edu// contributors may be used to endorse or promote products derived from 156019Shines@cs.fsu.edu// this software without specific prior written permission. 166019Shines@cs.fsu.edu// 176019Shines@cs.fsu.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 186019Shines@cs.fsu.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 196019Shines@cs.fsu.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 206019Shines@cs.fsu.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 216019Shines@cs.fsu.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 226019Shines@cs.fsu.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 236019Shines@cs.fsu.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 246019Shines@cs.fsu.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 256019Shines@cs.fsu.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 266019Shines@cs.fsu.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 276019Shines@cs.fsu.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 286019Shines@cs.fsu.edu// 296019Shines@cs.fsu.edu// Authors: Stephen Hines 306019Shines@cs.fsu.edu 316019Shines@cs.fsu.edu//////////////////////////////////////////////////////////////////// 326019Shines@cs.fsu.edu// 336019Shines@cs.fsu.edu// Bitfield definitions. 346019Shines@cs.fsu.edu// 356019Shines@cs.fsu.edu 366019Shines@cs.fsu.edu// Opcode fields 376268Sgblack@eecs.umich.edudef bitfield ENCODING encoding; 386251Sgblack@eecs.umich.edudef bitfield OPCODE opcode; 396269Sgblack@eecs.umich.edudef bitfield MEDIA_OPCODE mediaOpcode; 406269Sgblack@eecs.umich.edudef bitfield MEDIA_OPCODE2 mediaOpcode2; 416251Sgblack@eecs.umich.edudef bitfield OPCODE_24 opcode24; 426251Sgblack@eecs.umich.edudef bitfield OPCODE_23_20 opcode23_20; 436251Sgblack@eecs.umich.edudef bitfield OPCODE_23_21 opcode23_21; 446251Sgblack@eecs.umich.edudef bitfield OPCODE_22 opcode22; 456251Sgblack@eecs.umich.edudef bitfield OPCODE_19 opcode19; 466251Sgblack@eecs.umich.edudef bitfield OPCODE_15_12 opcode15_12; 476251Sgblack@eecs.umich.edudef bitfield OPCODE_15 opcode15; 486268Sgblack@eecs.umich.edudef bitfield MISC_OPCODE miscOpcode; 496251Sgblack@eecs.umich.edudef bitfield OPCODE_7 opcode7; 506251Sgblack@eecs.umich.edudef bitfield OPCODE_4 opcode4; 516019Shines@cs.fsu.edu 526267Sgblack@eecs.umich.edudef bitfield IS_MISC isMisc; 536267Sgblack@eecs.umich.edudef bitfield SEVEN_AND_FOUR sevenAndFour; 546267Sgblack@eecs.umich.edu 556019Shines@cs.fsu.edu// Other 566251Sgblack@eecs.umich.edudef bitfield COND_CODE condCode; 576251Sgblack@eecs.umich.edudef bitfield S_FIELD sField; 586251Sgblack@eecs.umich.edudef bitfield RN rn; 596251Sgblack@eecs.umich.edudef bitfield RD rd; 606251Sgblack@eecs.umich.edudef bitfield SHIFT_SIZE shiftSize; 616251Sgblack@eecs.umich.edudef bitfield SHIFT shift; 626251Sgblack@eecs.umich.edudef bitfield RM rm; 636019Shines@cs.fsu.edu 646251Sgblack@eecs.umich.edudef bitfield RS rs; 656019Shines@cs.fsu.edu 666275Sgblack@eecs.umich.edudef bitfield PUSWL puswl; 676275Sgblack@eecs.umich.edudef bitfield PREPOST puswl.prepost; 686275Sgblack@eecs.umich.edudef bitfield UP puswl.up; 696275Sgblack@eecs.umich.edudef bitfield PSRUSER puswl.psruser; 706275Sgblack@eecs.umich.edudef bitfield WRITEBACK puswl.writeback; 716251Sgblack@eecs.umich.edudef bitfield LOADOP puswl.loadOp; 726019Shines@cs.fsu.edu 736275Sgblack@eecs.umich.edudef bitfield PUBWL pubwl; 746019Shines@cs.fsu.edu 756275Sgblack@eecs.umich.edudef bitfield IMM imm; 766019Shines@cs.fsu.edu 776251Sgblack@eecs.umich.edudef bitfield IMMED_11_0 immed11_0; 786019Shines@cs.fsu.edu 796251Sgblack@eecs.umich.edudef bitfield IMMED_HI_11_8 immedHi11_8; 806251Sgblack@eecs.umich.edudef bitfield IMMED_LO_3_0 immedLo3_0; 816019Shines@cs.fsu.edu 826251Sgblack@eecs.umich.edudef bitfield IMMED_23_0 immed23_0; 836019Shines@cs.fsu.edu 846251Sgblack@eecs.umich.edudef bitfield CPNUM cpNum; 856019Shines@cs.fsu.edu// Note that FP Regs are only 3 bits 866251Sgblack@eecs.umich.edudef bitfield FN fn; 876251Sgblack@eecs.umich.edudef bitfield FD fd; 886251Sgblack@eecs.umich.edudef bitfield FPREGIMM fpRegImm; 896019Shines@cs.fsu.edu// We can just use 3:0 for FM since the hard-wired FP regs are handled in 906019Shines@cs.fsu.edu// float_regfile.hh 916251Sgblack@eecs.umich.edudef bitfield FM fm; 926251Sgblack@eecs.umich.edudef bitfield FPIMM fpImm; 936251Sgblack@eecs.umich.edudef bitfield PUNWL punwl; 946019Shines@cs.fsu.edu 956019Shines@cs.fsu.edu// M5 instructions 966251Sgblack@eecs.umich.edudef bitfield M5FUNC m5Func; 976019Shines@cs.fsu.edu 98