bitfields.isa revision 6251
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 376251Sgblack@eecs.umich.edudef bitfield OPCODE opcode; 386251Sgblack@eecs.umich.edudef bitfield OPCODE_27_25 opcode27_25; 396251Sgblack@eecs.umich.edudef bitfield OPCODE_24_21 opcode24_21; 406251Sgblack@eecs.umich.edudef bitfield OPCODE_24_23 opcode24_23; 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_23 opcode23; 456251Sgblack@eecs.umich.edudef bitfield OPCODE_22_8 opcode22_8; 466251Sgblack@eecs.umich.edudef bitfield OPCODE_22_21 opcode22_21; 476251Sgblack@eecs.umich.edudef bitfield OPCODE_22 opcode22; 486251Sgblack@eecs.umich.edudef bitfield OPCODE_21_20 opcode21_20; 496251Sgblack@eecs.umich.edudef bitfield OPCODE_20 opcode20; 506251Sgblack@eecs.umich.edudef bitfield OPCODE_19_18 opcode19_18; 516251Sgblack@eecs.umich.edudef bitfield OPCODE_19 opcode19; 526251Sgblack@eecs.umich.edudef bitfield OPCODE_15_12 opcode15_12; 536251Sgblack@eecs.umich.edudef bitfield OPCODE_15 opcode15; 546251Sgblack@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; 586251Sgblack@eecs.umich.edudef bitfield OPCODE_7 opcode7; 596251Sgblack@eecs.umich.edudef bitfield OPCODE_6_5 opcode6_5; 606251Sgblack@eecs.umich.edudef bitfield OPCODE_6 opcode6; 616251Sgblack@eecs.umich.edudef bitfield OPCODE_5 opcode5; 626251Sgblack@eecs.umich.edudef bitfield OPCODE_4 opcode4; 636019Shines@cs.fsu.edu 646019Shines@cs.fsu.edu// Other 656251Sgblack@eecs.umich.edudef bitfield COND_CODE condCode; 666251Sgblack@eecs.umich.edudef bitfield S_FIELD sField; 676251Sgblack@eecs.umich.edudef bitfield RN rn; 686251Sgblack@eecs.umich.edudef bitfield RD rd; 696251Sgblack@eecs.umich.edudef bitfield SHIFT_SIZE shiftSize; 706251Sgblack@eecs.umich.edudef bitfield SHIFT shift; 716251Sgblack@eecs.umich.edudef bitfield RM rm; 726019Shines@cs.fsu.edu 736251Sgblack@eecs.umich.edudef bitfield RS rs; 746019Shines@cs.fsu.edu 756251Sgblack@eecs.umich.edudef bitfield RDUP rdup; 766251Sgblack@eecs.umich.edudef bitfield RNDN rddn; 776019Shines@cs.fsu.edu 786251Sgblack@eecs.umich.edudef bitfield RDHI rdhi; 796251Sgblack@eecs.umich.edudef bitfield RDLO rdlo; 806019Shines@cs.fsu.edu 816251Sgblack@eecs.umich.edudef bitfield U_FIELD uField; 826019Shines@cs.fsu.edu 836251Sgblack@eecs.umich.edudef bitfield PUSWL puswl; 846251Sgblack@eecs.umich.edudef bitfield PREPOST puswl.prepost; 856251Sgblack@eecs.umich.edudef bitfield UP puswl.up; 866251Sgblack@eecs.umich.edudef bitfield PSRUSER puswl.psruser; 876251Sgblack@eecs.umich.edudef bitfield WRITEBACK puswl.writeback; 886251Sgblack@eecs.umich.edudef bitfield LOADOP puswl.loadOp; 896019Shines@cs.fsu.edu 906251Sgblack@eecs.umich.edudef bitfield PUBWL pubwl; 916251Sgblack@eecs.umich.edudef bitfield PUIWL puiwl; 926251Sgblack@eecs.umich.edudef bitfield BYTEACCESS byteAccess; 936019Shines@cs.fsu.edu 946251Sgblack@eecs.umich.edudef bitfield LUAS luas; 956019Shines@cs.fsu.edu 966251Sgblack@eecs.umich.edudef bitfield IMM imm; 976251Sgblack@eecs.umich.edudef bitfield IMMED_7_4 immed7_4; 986251Sgblack@eecs.umich.edudef bitfield IMMED_3_0 immed3_0; 996019Shines@cs.fsu.edu 1006251Sgblack@eecs.umich.edudef bitfield F_MSR msr.f; 1016251Sgblack@eecs.umich.edudef bitfield S_MSR msr.s; 1026251Sgblack@eecs.umich.edudef bitfield X_MSR msr.x; 1036251Sgblack@eecs.umich.edudef bitfield C_MSR msr.c; 1046019Shines@cs.fsu.edu 1056251Sgblack@eecs.umich.edudef bitfield Y_6 y; 1066251Sgblack@eecs.umich.edudef bitfield X_5 x; 1076019Shines@cs.fsu.edu 1086251Sgblack@eecs.umich.edudef bitfield IMMED_15_4 immed15_4; 1096019Shines@cs.fsu.edu 1106251Sgblack@eecs.umich.edudef bitfield W_FIELD wField; 1116019Shines@cs.fsu.edu 1126251Sgblack@eecs.umich.edudef bitfield ROTATE rotate; 1136251Sgblack@eecs.umich.edudef bitfield IMMED_7_0 immed7_0; 1146019Shines@cs.fsu.edu 1156251Sgblack@eecs.umich.edudef bitfield T_FIELD tField; 1166251Sgblack@eecs.umich.edudef bitfield IMMED_11_0 immed11_0; 1176019Shines@cs.fsu.edu 1186251Sgblack@eecs.umich.edudef bitfield IMMED_20_16 immed20_16; 1196251Sgblack@eecs.umich.edudef bitfield IMMED_19_16 immed19_16; 1206019Shines@cs.fsu.edu 1216251Sgblack@eecs.umich.edudef bitfield IMMED_HI_11_8 immedHi11_8; 1226251Sgblack@eecs.umich.edudef bitfield IMMED_LO_3_0 immedLo3_0; 1236019Shines@cs.fsu.edu 1246251Sgblack@eecs.umich.edudef bitfield ROT rot; 1256019Shines@cs.fsu.edu 1266251Sgblack@eecs.umich.edudef bitfield R_FIELD rField; 1276019Shines@cs.fsu.edu 1286251Sgblack@eecs.umich.edudef bitfield CARET caret; 1296251Sgblack@eecs.umich.edudef bitfield REGLIST regList; 1306019Shines@cs.fsu.edu 1316251Sgblack@eecs.umich.edudef bitfield OFFSET offset; 1326251Sgblack@eecs.umich.edudef bitfield COPRO copro; 1336251Sgblack@eecs.umich.edudef bitfield OP1_7_4 op1_7_4; 1346251Sgblack@eecs.umich.edudef bitfield CM cm; 1356019Shines@cs.fsu.edu 1366251Sgblack@eecs.umich.edudef bitfield L_FIELD lField; 1376251Sgblack@eecs.umich.edudef bitfield CD cd; 1386251Sgblack@eecs.umich.edudef bitfield OPTION option; 1396019Shines@cs.fsu.edu 1406251Sgblack@eecs.umich.edudef bitfield OP1_23_20 op1_23_20; 1416251Sgblack@eecs.umich.edudef bitfield CN cn; 1426251Sgblack@eecs.umich.edudef bitfield OP2_7_5 op2_7_5; 1436019Shines@cs.fsu.edu 1446251Sgblack@eecs.umich.edudef bitfield OP1_23_21 op1_23_21; 1456019Shines@cs.fsu.edu 1466251Sgblack@eecs.umich.edudef bitfield IMMED_23_0 immed23_0; 1476251Sgblack@eecs.umich.edudef bitfield M_FIELD mField; 1486251Sgblack@eecs.umich.edudef bitfield A_FIELD aField; 1496251Sgblack@eecs.umich.edudef bitfield I_FIELD iField; 1506251Sgblack@eecs.umich.edudef bitfield F_FIELD fField; 1516251Sgblack@eecs.umich.edudef bitfield MODE mode; 1526019Shines@cs.fsu.edu 1536251Sgblack@eecs.umich.edudef bitfield A_BLX aBlx; 1546019Shines@cs.fsu.edu 1556251Sgblack@eecs.umich.edudef bitfield CPNUM cpNum; 1566019Shines@cs.fsu.edu// Note that FP Regs are only 3 bits 1576251Sgblack@eecs.umich.edudef bitfield FN fn; 1586251Sgblack@eecs.umich.edudef bitfield FD fd; 1596251Sgblack@eecs.umich.edudef bitfield FPREGIMM fpRegImm; 1606019Shines@cs.fsu.edu// We can just use 3:0 for FM since the hard-wired FP regs are handled in 1616019Shines@cs.fsu.edu// float_regfile.hh 1626251Sgblack@eecs.umich.edudef bitfield FM fm; 1636251Sgblack@eecs.umich.edudef bitfield FPIMM fpImm; 1646251Sgblack@eecs.umich.edudef bitfield PUNWL punwl; 1656019Shines@cs.fsu.edu 1666019Shines@cs.fsu.edu// M5 instructions 1676251Sgblack@eecs.umich.edudef bitfield M5FUNC m5Func; 1686019Shines@cs.fsu.edu 169