bitfields.isa revision 6267
16019Shines@cs.fsu.edu// -*- mode:c++ -*- 26019Shines@cs.fsu.edu 37101Sgblack@eecs.umich.edu// Copyright (c) 2007-2008 The Florida State University 47101Sgblack@eecs.umich.edu// All rights reserved. 57101Sgblack@eecs.umich.edu// 67101Sgblack@eecs.umich.edu// Redistribution and use in source and binary forms, with or without 77101Sgblack@eecs.umich.edu// modification, are permitted provided that the following conditions are 87101Sgblack@eecs.umich.edu// met: redistributions of source code must retain the above copyright 97101Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer; 107101Sgblack@eecs.umich.edu// redistributions in binary form must reproduce the above copyright 117101Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer in the 127101Sgblack@eecs.umich.edu// documentation and/or other materials provided with the distribution; 137101Sgblack@eecs.umich.edu// neither the name of the copyright holders nor the names of its 147101Sgblack@eecs.umich.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 376019Shines@cs.fsu.edudef bitfield OPCODE opcode; 386019Shines@cs.fsu.edudef bitfield OPCODE_27_25 opcode27_25; 396019Shines@cs.fsu.edudef bitfield OPCODE_24_21 opcode24_21; 406019Shines@cs.fsu.edudef bitfield OPCODE_24_23 opcode24_23; 416019Shines@cs.fsu.edudef bitfield OPCODE_24 opcode24; 426019Shines@cs.fsu.edudef bitfield OPCODE_23_20 opcode23_20; 436019Shines@cs.fsu.edudef bitfield OPCODE_23_21 opcode23_21; 446019Shines@cs.fsu.edudef bitfield OPCODE_23 opcode23; 456019Shines@cs.fsu.edudef bitfield OPCODE_22_8 opcode22_8; 466019Shines@cs.fsu.edudef bitfield OPCODE_22_21 opcode22_21; 476019Shines@cs.fsu.edudef bitfield OPCODE_22 opcode22; 486019Shines@cs.fsu.edudef bitfield OPCODE_21_20 opcode21_20; 496268Sgblack@eecs.umich.edudef bitfield OPCODE_20 opcode20; 506251Sgblack@eecs.umich.edudef bitfield OPCODE_19_18 opcode19_18; 516269Sgblack@eecs.umich.edudef bitfield OPCODE_19 opcode19; 526269Sgblack@eecs.umich.edudef bitfield OPCODE_15_12 opcode15_12; 536749Sgblack@eecs.umich.edudef bitfield OPCODE_15 opcode15; 547105Sgblack@eecs.umich.edudef bitfield OPCODE_9 opcode9; 556251Sgblack@eecs.umich.edudef bitfield OPCODE_7_4 opcode7_4; 566251Sgblack@eecs.umich.edudef bitfield OPCODE_7_5 opcode7_5; 576251Sgblack@eecs.umich.edudef bitfield OPCODE_7_6 opcode7_6; 587105Sgblack@eecs.umich.edudef bitfield OPCODE_7 opcode7; 597105Sgblack@eecs.umich.edudef bitfield OPCODE_6_5 opcode6_5; 607105Sgblack@eecs.umich.edudef bitfield OPCODE_6 opcode6; 617105Sgblack@eecs.umich.edudef bitfield OPCODE_5 opcode5; 626251Sgblack@eecs.umich.edudef bitfield OPCODE_4 opcode4; 637105Sgblack@eecs.umich.edu 646268Sgblack@eecs.umich.edudef bitfield IS_MISC isMisc; 656759SAli.Saidi@ARM.comdef bitfield SEVEN_AND_FOUR sevenAndFour; 666251Sgblack@eecs.umich.edu 677105Sgblack@eecs.umich.edu// Other 686251Sgblack@eecs.umich.edudef bitfield COND_CODE condCode; 696019Shines@cs.fsu.edudef bitfield S_FIELD sField; 706267Sgblack@eecs.umich.edudef bitfield RN rn; 716267Sgblack@eecs.umich.edudef bitfield RD rd; 726267Sgblack@eecs.umich.edudef bitfield SHIFT_SIZE shiftSize; 737101Sgblack@eecs.umich.edudef bitfield SHIFT shift; 747101Sgblack@eecs.umich.edudef bitfield RM rm; 757101Sgblack@eecs.umich.edu 766019Shines@cs.fsu.edudef bitfield RS rs; 776251Sgblack@eecs.umich.edu 786251Sgblack@eecs.umich.edudef bitfield RDUP rdup; 796251Sgblack@eecs.umich.edudef bitfield RNDN rddn; 806251Sgblack@eecs.umich.edu 817121Sgblack@eecs.umich.edudef bitfield RDHI rdhi; 826251Sgblack@eecs.umich.edudef bitfield RDLO rdlo; 836251Sgblack@eecs.umich.edu 846251Sgblack@eecs.umich.edudef bitfield U_FIELD uField; 856019Shines@cs.fsu.edu 866251Sgblack@eecs.umich.edudef bitfield PUSWL puswl; 876019Shines@cs.fsu.edudef bitfield PREPOST puswl.prepost; 886275Sgblack@eecs.umich.edudef bitfield UP puswl.up; 896275Sgblack@eecs.umich.edudef bitfield PSRUSER puswl.psruser; 906275Sgblack@eecs.umich.edudef bitfield WRITEBACK puswl.writeback; 916275Sgblack@eecs.umich.edudef bitfield LOADOP puswl.loadOp; 926275Sgblack@eecs.umich.edu 936251Sgblack@eecs.umich.edudef bitfield PUBWL pubwl; 946019Shines@cs.fsu.edudef bitfield PUIWL puiwl; 956275Sgblack@eecs.umich.edudef bitfield BYTEACCESS byteAccess; 966019Shines@cs.fsu.edu 976275Sgblack@eecs.umich.edudef bitfield LUAS luas; 986019Shines@cs.fsu.edu 996251Sgblack@eecs.umich.edudef bitfield IMM imm; 1007121Sgblack@eecs.umich.edudef bitfield IMMED_7_4 immed7_4; 1016019Shines@cs.fsu.edudef bitfield IMMED_3_0 immed3_0; 1026251Sgblack@eecs.umich.edu 1036251Sgblack@eecs.umich.edudef bitfield F_MSR msr.f; 1046019Shines@cs.fsu.edudef bitfield S_MSR msr.s; 1056251Sgblack@eecs.umich.edudef bitfield X_MSR msr.x; 1066019Shines@cs.fsu.edudef bitfield C_MSR msr.c; 1077105Sgblack@eecs.umich.edu 1086019Shines@cs.fsu.edudef bitfield Y_6 y; 1097105Sgblack@eecs.umich.edudef bitfield X_5 x; 1107105Sgblack@eecs.umich.edu 1117105Sgblack@eecs.umich.edudef bitfield IMMED_15_4 immed15_4; 1126019Shines@cs.fsu.edu 1136019Shines@cs.fsu.edudef bitfield W_FIELD wField; 1147105Sgblack@eecs.umich.edu 1157105Sgblack@eecs.umich.edudef bitfield ROTATE rotate; 1167105Sgblack@eecs.umich.edudef bitfield IMMED_7_0 immed7_0; 1176019Shines@cs.fsu.edu 1186019Shines@cs.fsu.edudef bitfield T_FIELD tField; 1196251Sgblack@eecs.umich.edudef bitfield IMMED_11_0 immed11_0; 1206019Shines@cs.fsu.edu 1217106Sgblack@eecs.umich.edudef bitfield IMMED_20_16 immed20_16; 1227103Sgblack@eecs.umich.edudef bitfield IMMED_19_16 immed19_16; 1237103Sgblack@eecs.umich.edu 1247103Sgblack@eecs.umich.edudef bitfield IMMED_HI_11_8 immedHi11_8; 1257103Sgblack@eecs.umich.edudef bitfield IMMED_LO_3_0 immedLo3_0; 1267103Sgblack@eecs.umich.edu 1277103Sgblack@eecs.umich.edudef bitfield ROT rot; 1287103Sgblack@eecs.umich.edu 1297103Sgblack@eecs.umich.edudef bitfield R_FIELD rField; 1307103Sgblack@eecs.umich.edu 1317103Sgblack@eecs.umich.edudef bitfield CARET caret; 1327103Sgblack@eecs.umich.edudef bitfield REGLIST regList; 1337103Sgblack@eecs.umich.edu 1347103Sgblack@eecs.umich.edudef bitfield OFFSET offset; 1357103Sgblack@eecs.umich.edudef bitfield COPRO copro; 1367106Sgblack@eecs.umich.edudef bitfield OP1_7_4 op1_7_4; 1377106Sgblack@eecs.umich.edudef bitfield CM cm; 1387106Sgblack@eecs.umich.edu 1397106Sgblack@eecs.umich.edudef bitfield L_FIELD lField; 1407106Sgblack@eecs.umich.edudef bitfield CD cd; 1417106Sgblack@eecs.umich.edudef bitfield OPTION option; 1427106Sgblack@eecs.umich.edu 1437106Sgblack@eecs.umich.edudef bitfield OP1_23_20 op1_23_20; 1447106Sgblack@eecs.umich.edudef bitfield CN cn; 1457106Sgblack@eecs.umich.edudef bitfield OP2_7_5 op2_7_5; 1467106Sgblack@eecs.umich.edu 1477106Sgblack@eecs.umich.edudef bitfield OP1_23_21 op1_23_21; 1487113Sgblack@eecs.umich.edu 1497116Sgblack@eecs.umich.edudef bitfield IMMED_23_0 immed23_0; 1507106Sgblack@eecs.umich.edudef bitfield M_FIELD mField; 1517106Sgblack@eecs.umich.edudef bitfield A_FIELD aField; 1527106Sgblack@eecs.umich.edudef bitfield I_FIELD iField; 1537106Sgblack@eecs.umich.edudef bitfield F_FIELD fField; 1547106Sgblack@eecs.umich.edudef bitfield MODE mode; 1557106Sgblack@eecs.umich.edu 1567106Sgblack@eecs.umich.edudef bitfield A_BLX aBlx; 1577106Sgblack@eecs.umich.edu 1587113Sgblack@eecs.umich.edudef bitfield CPNUM cpNum; 1597113Sgblack@eecs.umich.edu// Note that FP Regs are only 3 bits 1607106Sgblack@eecs.umich.edudef bitfield FN fn; 1617106Sgblack@eecs.umich.edudef bitfield FD fd; 1627106Sgblack@eecs.umich.edudef bitfield FPREGIMM fpRegImm; 1637106Sgblack@eecs.umich.edu// We can just use 3:0 for FM since the hard-wired FP regs are handled in 1647106Sgblack@eecs.umich.edu// float_regfile.hh 165def bitfield FM fm; 166def bitfield FPIMM fpImm; 167def bitfield PUNWL punwl; 168 169// M5 instructions 170def bitfield M5FUNC m5Func; 171 172