bitfields.isa revision 6268
16019Shines@cs.fsu.edu// -*- mode:c++ -*- 26019Shines@cs.fsu.edu 312763Sgiacomo.travaglini@arm.com// 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 ENCODING encoding; 386019Shines@cs.fsu.edudef bitfield OPCODE opcode; 396019Shines@cs.fsu.edudef bitfield OPCODE_24_23 opcode24_23; 406019Shines@cs.fsu.edudef bitfield OPCODE_24 opcode24; 416019Shines@cs.fsu.edudef bitfield OPCODE_23_20 opcode23_20; 426019Shines@cs.fsu.edudef bitfield OPCODE_23_21 opcode23_21; 436019Shines@cs.fsu.edudef bitfield OPCODE_23 opcode23; 446019Shines@cs.fsu.edudef bitfield OPCODE_22_8 opcode22_8; 456019Shines@cs.fsu.edudef bitfield OPCODE_22_21 opcode22_21; 466019Shines@cs.fsu.edudef bitfield OPCODE_22 opcode22; 476019Shines@cs.fsu.edudef bitfield OPCODE_21_20 opcode21_20; 486019Shines@cs.fsu.edudef bitfield OPCODE_20 opcode20; 4910611SAndreas.Sandberg@ARM.comdef bitfield OPCODE_19_18 opcode19_18; 5012763Sgiacomo.travaglini@arm.comdef bitfield OPCODE_19 opcode19; 5110611SAndreas.Sandberg@ARM.comdef bitfield OPCODE_15_12 opcode15_12; 526268Sgblack@eecs.umich.edudef bitfield OPCODE_15 opcode15; 536251Sgblack@eecs.umich.edudef bitfield OPCODE_9 opcode9; 546269Sgblack@eecs.umich.edudef bitfield MISC_OPCODE miscOpcode; 556269Sgblack@eecs.umich.edudef bitfield OPCODE_7_5 opcode7_5; 566749Sgblack@eecs.umich.edudef bitfield OPCODE_7_6 opcode7_6; 577105Sgblack@eecs.umich.edudef bitfield OPCODE_7 opcode7; 587161Sgblack@eecs.umich.edudef bitfield OPCODE_6_5 opcode6_5; 596251Sgblack@eecs.umich.edudef bitfield OPCODE_6 opcode6; 606251Sgblack@eecs.umich.edudef bitfield OPCODE_5 opcode5; 616251Sgblack@eecs.umich.edudef bitfield OPCODE_4 opcode4; 627105Sgblack@eecs.umich.edu 637105Sgblack@eecs.umich.edudef bitfield IS_MISC isMisc; 647105Sgblack@eecs.umich.edudef bitfield SEVEN_AND_FOUR sevenAndFour; 657105Sgblack@eecs.umich.edu 666251Sgblack@eecs.umich.edu// Other 677105Sgblack@eecs.umich.edudef bitfield COND_CODE condCode; 686268Sgblack@eecs.umich.edudef bitfield S_FIELD sField; 6911320Ssteve.reinhardt@amd.comdef bitfield RN rn; 706251Sgblack@eecs.umich.edudef bitfield RD rd; 717105Sgblack@eecs.umich.edudef bitfield SHIFT_SIZE shiftSize; 726251Sgblack@eecs.umich.edudef bitfield SHIFT shift; 736019Shines@cs.fsu.edudef bitfield RM rm; 746267Sgblack@eecs.umich.edu 756267Sgblack@eecs.umich.edudef bitfield RS rs; 766267Sgblack@eecs.umich.edu 777101Sgblack@eecs.umich.edudef bitfield RDUP rdup; 787101Sgblack@eecs.umich.edudef bitfield RNDN rddn; 7910037SARM gem5 Developers 807101Sgblack@eecs.umich.edudef bitfield RDHI rdhi; 816019Shines@cs.fsu.edudef bitfield RDLO rdlo; 826251Sgblack@eecs.umich.edu 836251Sgblack@eecs.umich.edudef bitfield U_FIELD uField; 846251Sgblack@eecs.umich.edu 856251Sgblack@eecs.umich.edudef bitfield PUSWL puswl; 867121Sgblack@eecs.umich.edudef bitfield PREPOST puswl.prepost; 876251Sgblack@eecs.umich.edudef bitfield UP puswl.up; 886251Sgblack@eecs.umich.edudef bitfield PSRUSER puswl.psruser; 896251Sgblack@eecs.umich.edudef bitfield WRITEBACK puswl.writeback; 906019Shines@cs.fsu.edudef bitfield LOADOP puswl.loadOp; 916251Sgblack@eecs.umich.edu 926019Shines@cs.fsu.edudef bitfield PUBWL pubwl; 936275Sgblack@eecs.umich.edudef bitfield PUIWL puiwl; 946275Sgblack@eecs.umich.edudef bitfield BYTEACCESS byteAccess; 956275Sgblack@eecs.umich.edu 966275Sgblack@eecs.umich.edudef bitfield LUAS luas; 976275Sgblack@eecs.umich.edu 986251Sgblack@eecs.umich.edudef bitfield IMM imm; 996019Shines@cs.fsu.edudef bitfield IMMED_7_4 immed7_4; 1006275Sgblack@eecs.umich.edudef bitfield IMMED_3_0 immed3_0; 1016019Shines@cs.fsu.edu 1026275Sgblack@eecs.umich.edudef bitfield F_MSR msr.f; 1036019Shines@cs.fsu.edudef bitfield S_MSR msr.s; 1046251Sgblack@eecs.umich.edudef bitfield X_MSR msr.x; 1057121Sgblack@eecs.umich.edudef bitfield C_MSR msr.c; 1066019Shines@cs.fsu.edu 1076251Sgblack@eecs.umich.edudef bitfield Y_6 y; 1086251Sgblack@eecs.umich.edudef bitfield X_5 x; 1096019Shines@cs.fsu.edu 1106251Sgblack@eecs.umich.edudef bitfield IMMED_15_4 immed15_4; 1116019Shines@cs.fsu.edu 1127105Sgblack@eecs.umich.edudef bitfield W_FIELD wField; 1136019Shines@cs.fsu.edu 1147105Sgblack@eecs.umich.edudef bitfield ROTATE rotate; 1157105Sgblack@eecs.umich.edudef bitfield IMMED_7_0 immed7_0; 1167105Sgblack@eecs.umich.edu 1176019Shines@cs.fsu.edudef bitfield T_FIELD tField; 1186019Shines@cs.fsu.edudef bitfield IMMED_11_0 immed11_0; 1197105Sgblack@eecs.umich.edu 1207105Sgblack@eecs.umich.edudef bitfield IMMED_20_16 immed20_16; 1217105Sgblack@eecs.umich.edudef bitfield IMMED_19_16 immed19_16; 1226019Shines@cs.fsu.edu 1236019Shines@cs.fsu.edudef bitfield IMMED_HI_11_8 immedHi11_8; 1246251Sgblack@eecs.umich.edudef bitfield IMMED_LO_3_0 immedLo3_0; 1256019Shines@cs.fsu.edu 1267106Sgblack@eecs.umich.edudef bitfield ROT rot; 1277103Sgblack@eecs.umich.edu 1287103Sgblack@eecs.umich.edudef bitfield R_FIELD rField; 1297103Sgblack@eecs.umich.edu 1307103Sgblack@eecs.umich.edudef bitfield CARET caret; 1317103Sgblack@eecs.umich.edudef bitfield REGLIST regList; 1327103Sgblack@eecs.umich.edu 1337103Sgblack@eecs.umich.edudef bitfield OFFSET offset; 1347103Sgblack@eecs.umich.edudef bitfield COPRO copro; 1357103Sgblack@eecs.umich.edudef bitfield OP1_7_4 op1_7_4; 1367103Sgblack@eecs.umich.edudef bitfield CM cm; 1377103Sgblack@eecs.umich.edu 1387103Sgblack@eecs.umich.edudef bitfield L_FIELD lField; 1397103Sgblack@eecs.umich.edudef bitfield CD cd; 1407103Sgblack@eecs.umich.edudef bitfield OPTION option; 1417106Sgblack@eecs.umich.edu 1427106Sgblack@eecs.umich.edudef bitfield OP1_23_20 op1_23_20; 1437106Sgblack@eecs.umich.edudef bitfield CN cn; 1447106Sgblack@eecs.umich.edudef bitfield OP2_7_5 op2_7_5; 1457106Sgblack@eecs.umich.edu 1467106Sgblack@eecs.umich.edudef bitfield OP1_23_21 op1_23_21; 1477106Sgblack@eecs.umich.edu 1487106Sgblack@eecs.umich.edudef bitfield IMMED_23_0 immed23_0; 1497106Sgblack@eecs.umich.edudef bitfield M_FIELD mField; 1507106Sgblack@eecs.umich.edudef bitfield A_FIELD aField; 1517106Sgblack@eecs.umich.edudef bitfield I_FIELD iField; 1527106Sgblack@eecs.umich.edudef bitfield F_FIELD fField; 1537113Sgblack@eecs.umich.edudef bitfield MODE mode; 1547116Sgblack@eecs.umich.edu 1557245Sgblack@eecs.umich.edudef bitfield A_BLX aBlx; 1567106Sgblack@eecs.umich.edu 1577106Sgblack@eecs.umich.edudef bitfield CPNUM cpNum; 1587106Sgblack@eecs.umich.edu// Note that FP Regs are only 3 bits 1597106Sgblack@eecs.umich.edudef bitfield FN fn; 1607106Sgblack@eecs.umich.edudef bitfield FD fd; 1617106Sgblack@eecs.umich.edudef bitfield FPREGIMM fpRegImm; 1627106Sgblack@eecs.umich.edu// We can just use 3:0 for FM since the hard-wired FP regs are handled in 1637106Sgblack@eecs.umich.edu// float_regfile.hh 1647113Sgblack@eecs.umich.edudef bitfield FM fm; 1657113Sgblack@eecs.umich.edudef bitfield FPIMM fpImm; 1667106Sgblack@eecs.umich.edudef bitfield PUNWL punwl; 1677106Sgblack@eecs.umich.edu 1687106Sgblack@eecs.umich.edu// M5 instructions 1697106Sgblack@eecs.umich.edudef bitfield M5FUNC m5Func; 1707106Sgblack@eecs.umich.edu 171