bitfields.isa revision 6269
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; 396251Sgblack@eecs.umich.edudef bitfield OPCODE_24_23 opcode24_23; 406269Sgblack@eecs.umich.edudef bitfield MEDIA_OPCODE mediaOpcode; 416269Sgblack@eecs.umich.edudef bitfield MEDIA_OPCODE2 mediaOpcode2; 426251Sgblack@eecs.umich.edudef bitfield OPCODE_24 opcode24; 436251Sgblack@eecs.umich.edudef bitfield OPCODE_23_20 opcode23_20; 446251Sgblack@eecs.umich.edudef bitfield OPCODE_23_21 opcode23_21; 456251Sgblack@eecs.umich.edudef bitfield OPCODE_23 opcode23; 466251Sgblack@eecs.umich.edudef bitfield OPCODE_22_8 opcode22_8; 476251Sgblack@eecs.umich.edudef bitfield OPCODE_22_21 opcode22_21; 486251Sgblack@eecs.umich.edudef bitfield OPCODE_22 opcode22; 496251Sgblack@eecs.umich.edudef bitfield OPCODE_21_20 opcode21_20; 506251Sgblack@eecs.umich.edudef bitfield OPCODE_20 opcode20; 516251Sgblack@eecs.umich.edudef bitfield OPCODE_19_18 opcode19_18; 526251Sgblack@eecs.umich.edudef bitfield OPCODE_19 opcode19; 536251Sgblack@eecs.umich.edudef bitfield OPCODE_15_12 opcode15_12; 546251Sgblack@eecs.umich.edudef bitfield OPCODE_15 opcode15; 556251Sgblack@eecs.umich.edudef bitfield OPCODE_9 opcode9; 566268Sgblack@eecs.umich.edudef bitfield MISC_OPCODE miscOpcode; 576251Sgblack@eecs.umich.edudef bitfield OPCODE_7_5 opcode7_5; 586251Sgblack@eecs.umich.edudef bitfield OPCODE_7_6 opcode7_6; 596251Sgblack@eecs.umich.edudef bitfield OPCODE_7 opcode7; 606251Sgblack@eecs.umich.edudef bitfield OPCODE_6_5 opcode6_5; 616251Sgblack@eecs.umich.edudef bitfield OPCODE_6 opcode6; 626251Sgblack@eecs.umich.edudef bitfield OPCODE_5 opcode5; 636251Sgblack@eecs.umich.edudef bitfield OPCODE_4 opcode4; 646019Shines@cs.fsu.edu 656267Sgblack@eecs.umich.edudef bitfield IS_MISC isMisc; 666267Sgblack@eecs.umich.edudef bitfield SEVEN_AND_FOUR sevenAndFour; 676267Sgblack@eecs.umich.edu 686019Shines@cs.fsu.edu// Other 696251Sgblack@eecs.umich.edudef bitfield COND_CODE condCode; 706251Sgblack@eecs.umich.edudef bitfield S_FIELD sField; 716251Sgblack@eecs.umich.edudef bitfield RN rn; 726251Sgblack@eecs.umich.edudef bitfield RD rd; 736251Sgblack@eecs.umich.edudef bitfield SHIFT_SIZE shiftSize; 746251Sgblack@eecs.umich.edudef bitfield SHIFT shift; 756251Sgblack@eecs.umich.edudef bitfield RM rm; 766019Shines@cs.fsu.edu 776251Sgblack@eecs.umich.edudef bitfield RS rs; 786019Shines@cs.fsu.edu 796251Sgblack@eecs.umich.edudef bitfield RDUP rdup; 806251Sgblack@eecs.umich.edudef bitfield RNDN rddn; 816019Shines@cs.fsu.edu 826251Sgblack@eecs.umich.edudef bitfield RDHI rdhi; 836251Sgblack@eecs.umich.edudef bitfield RDLO rdlo; 846019Shines@cs.fsu.edu 856251Sgblack@eecs.umich.edudef bitfield U_FIELD uField; 866019Shines@cs.fsu.edu 876251Sgblack@eecs.umich.edudef bitfield PUSWL puswl; 886251Sgblack@eecs.umich.edudef bitfield PREPOST puswl.prepost; 896251Sgblack@eecs.umich.edudef bitfield UP puswl.up; 906251Sgblack@eecs.umich.edudef bitfield PSRUSER puswl.psruser; 916251Sgblack@eecs.umich.edudef bitfield WRITEBACK puswl.writeback; 926251Sgblack@eecs.umich.edudef bitfield LOADOP puswl.loadOp; 936019Shines@cs.fsu.edu 946251Sgblack@eecs.umich.edudef bitfield PUBWL pubwl; 956251Sgblack@eecs.umich.edudef bitfield PUIWL puiwl; 966251Sgblack@eecs.umich.edudef bitfield BYTEACCESS byteAccess; 976019Shines@cs.fsu.edu 986251Sgblack@eecs.umich.edudef bitfield LUAS luas; 996019Shines@cs.fsu.edu 1006251Sgblack@eecs.umich.edudef bitfield IMM imm; 1016251Sgblack@eecs.umich.edudef bitfield IMMED_7_4 immed7_4; 1026251Sgblack@eecs.umich.edudef bitfield IMMED_3_0 immed3_0; 1036019Shines@cs.fsu.edu 1046251Sgblack@eecs.umich.edudef bitfield F_MSR msr.f; 1056251Sgblack@eecs.umich.edudef bitfield S_MSR msr.s; 1066251Sgblack@eecs.umich.edudef bitfield X_MSR msr.x; 1076251Sgblack@eecs.umich.edudef bitfield C_MSR msr.c; 1086019Shines@cs.fsu.edu 1096251Sgblack@eecs.umich.edudef bitfield Y_6 y; 1106251Sgblack@eecs.umich.edudef bitfield X_5 x; 1116019Shines@cs.fsu.edu 1126251Sgblack@eecs.umich.edudef bitfield IMMED_15_4 immed15_4; 1136019Shines@cs.fsu.edu 1146251Sgblack@eecs.umich.edudef bitfield W_FIELD wField; 1156019Shines@cs.fsu.edu 1166251Sgblack@eecs.umich.edudef bitfield ROTATE rotate; 1176251Sgblack@eecs.umich.edudef bitfield IMMED_7_0 immed7_0; 1186019Shines@cs.fsu.edu 1196251Sgblack@eecs.umich.edudef bitfield T_FIELD tField; 1206251Sgblack@eecs.umich.edudef bitfield IMMED_11_0 immed11_0; 1216019Shines@cs.fsu.edu 1226251Sgblack@eecs.umich.edudef bitfield IMMED_20_16 immed20_16; 1236251Sgblack@eecs.umich.edudef bitfield IMMED_19_16 immed19_16; 1246019Shines@cs.fsu.edu 1256251Sgblack@eecs.umich.edudef bitfield IMMED_HI_11_8 immedHi11_8; 1266251Sgblack@eecs.umich.edudef bitfield IMMED_LO_3_0 immedLo3_0; 1276019Shines@cs.fsu.edu 1286251Sgblack@eecs.umich.edudef bitfield ROT rot; 1296019Shines@cs.fsu.edu 1306251Sgblack@eecs.umich.edudef bitfield R_FIELD rField; 1316019Shines@cs.fsu.edu 1326251Sgblack@eecs.umich.edudef bitfield CARET caret; 1336251Sgblack@eecs.umich.edudef bitfield REGLIST regList; 1346019Shines@cs.fsu.edu 1356251Sgblack@eecs.umich.edudef bitfield OFFSET offset; 1366251Sgblack@eecs.umich.edudef bitfield COPRO copro; 1376251Sgblack@eecs.umich.edudef bitfield OP1_7_4 op1_7_4; 1386251Sgblack@eecs.umich.edudef bitfield CM cm; 1396019Shines@cs.fsu.edu 1406251Sgblack@eecs.umich.edudef bitfield L_FIELD lField; 1416251Sgblack@eecs.umich.edudef bitfield CD cd; 1426251Sgblack@eecs.umich.edudef bitfield OPTION option; 1436019Shines@cs.fsu.edu 1446251Sgblack@eecs.umich.edudef bitfield OP1_23_20 op1_23_20; 1456251Sgblack@eecs.umich.edudef bitfield CN cn; 1466251Sgblack@eecs.umich.edudef bitfield OP2_7_5 op2_7_5; 1476019Shines@cs.fsu.edu 1486251Sgblack@eecs.umich.edudef bitfield OP1_23_21 op1_23_21; 1496019Shines@cs.fsu.edu 1506251Sgblack@eecs.umich.edudef bitfield IMMED_23_0 immed23_0; 1516251Sgblack@eecs.umich.edudef bitfield M_FIELD mField; 1526251Sgblack@eecs.umich.edudef bitfield A_FIELD aField; 1536251Sgblack@eecs.umich.edudef bitfield I_FIELD iField; 1546251Sgblack@eecs.umich.edudef bitfield F_FIELD fField; 1556251Sgblack@eecs.umich.edudef bitfield MODE mode; 1566019Shines@cs.fsu.edu 1576251Sgblack@eecs.umich.edudef bitfield A_BLX aBlx; 1586019Shines@cs.fsu.edu 1596251Sgblack@eecs.umich.edudef bitfield CPNUM cpNum; 1606019Shines@cs.fsu.edu// Note that FP Regs are only 3 bits 1616251Sgblack@eecs.umich.edudef bitfield FN fn; 1626251Sgblack@eecs.umich.edudef bitfield FD fd; 1636251Sgblack@eecs.umich.edudef bitfield FPREGIMM fpRegImm; 1646019Shines@cs.fsu.edu// We can just use 3:0 for FM since the hard-wired FP regs are handled in 1656019Shines@cs.fsu.edu// float_regfile.hh 1666251Sgblack@eecs.umich.edudef bitfield FM fm; 1676251Sgblack@eecs.umich.edudef bitfield FPIMM fpImm; 1686251Sgblack@eecs.umich.edudef bitfield PUNWL punwl; 1696019Shines@cs.fsu.edu 1706019Shines@cs.fsu.edu// M5 instructions 1716251Sgblack@eecs.umich.edudef bitfield M5FUNC m5Func; 1726019Shines@cs.fsu.edu 173