1// -*- mode:c++ -*- 2 3// Copyright (c) 2007-2008 The Florida State University 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer; 10// redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution; 13// neither the name of the copyright holders nor the names of its 14// contributors may be used to endorse or promote products derived from 15// this software without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29// Authors: Stephen Hines 30 31//////////////////////////////////////////////////////////////////// 32// 33// Bitfield definitions. 34// 35 36// Opcode fields
| 1// -*- mode:c++ -*- 2 3// Copyright (c) 2007-2008 The Florida State University 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer; 10// redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution; 13// neither the name of the copyright holders nor the names of its 14// contributors may be used to endorse or promote products derived from 15// this software without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29// Authors: Stephen Hines 30 31//////////////////////////////////////////////////////////////////// 32// 33// Bitfield definitions. 34// 35 36// Opcode fields
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37def bitfield OPCODE <27:25>; 38def bitfield OPCODE_27_25 <27:25>; 39def bitfield OPCODE_24_21 <24:21>; 40def bitfield OPCODE_24_23 <24:23>; 41def bitfield OPCODE_24 <24:24>; 42def bitfield OPCODE_23_20 <23:20>; 43def bitfield OPCODE_23_21 <23:21>; 44def bitfield OPCODE_23 <23:23>; 45def bitfield OPCODE_22_8 <22: 8>; 46def bitfield OPCODE_22_21 <22:21>; 47def bitfield OPCODE_22 <22:22>; 48def bitfield OPCODE_21_20 <21:20>; 49def bitfield OPCODE_20 <20:20>; 50def bitfield OPCODE_19_18 <19:18>; 51def bitfield OPCODE_19 <19:19>; 52def bitfield OPCODE_15_12 <15:12>; 53def bitfield OPCODE_15 <15:15>; 54def bitfield OPCODE_9 < 9: 9>; 55def bitfield OPCODE_7_4 < 7: 4>; 56def bitfield OPCODE_7_5 < 7: 5>; 57def bitfield OPCODE_7_6 < 7: 6>; 58def bitfield OPCODE_7 < 7: 7>; 59def bitfield OPCODE_6_5 < 6: 5>; 60def bitfield OPCODE_6 < 6: 6>; 61def bitfield OPCODE_5 < 5: 5>; 62def bitfield OPCODE_4 < 4: 4>;
| 37def bitfield OPCODE opcode; 38def bitfield OPCODE_27_25 opcode27_25; 39def bitfield OPCODE_24_21 opcode24_21; 40def bitfield OPCODE_24_23 opcode24_23; 41def bitfield OPCODE_24 opcode24; 42def bitfield OPCODE_23_20 opcode23_20; 43def bitfield OPCODE_23_21 opcode23_21; 44def bitfield OPCODE_23 opcode23; 45def bitfield OPCODE_22_8 opcode22_8; 46def bitfield OPCODE_22_21 opcode22_21; 47def bitfield OPCODE_22 opcode22; 48def bitfield OPCODE_21_20 opcode21_20; 49def bitfield OPCODE_20 opcode20; 50def bitfield OPCODE_19_18 opcode19_18; 51def bitfield OPCODE_19 opcode19; 52def bitfield OPCODE_15_12 opcode15_12; 53def bitfield OPCODE_15 opcode15; 54def bitfield OPCODE_9 opcode9; 55def bitfield OPCODE_7_4 opcode7_4; 56def bitfield OPCODE_7_5 opcode7_5; 57def bitfield OPCODE_7_6 opcode7_6; 58def bitfield OPCODE_7 opcode7; 59def bitfield OPCODE_6_5 opcode6_5; 60def bitfield OPCODE_6 opcode6; 61def bitfield OPCODE_5 opcode5; 62def bitfield OPCODE_4 opcode4;
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63 64// Other
| 63 64// Other
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65def bitfield COND_CODE <31:28>; 66def bitfield S_FIELD <20:20>; 67def bitfield RN <19:16>; 68def bitfield RD <15:12>; 69def bitfield SHIFT_SIZE <11: 7>; 70def bitfield SHIFT < 6: 5>; 71def bitfield RM < 3: 0>;
| 65def bitfield COND_CODE condCode; 66def bitfield S_FIELD sField; 67def bitfield RN rn; 68def bitfield RD rd; 69def bitfield SHIFT_SIZE shiftSize; 70def bitfield SHIFT shift; 71def bitfield RM rm;
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72
| 72
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73def bitfield RS <11: 8>;
| 73def bitfield RS rs;
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74
| 74
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75def bitfield RDUP <19:16>; 76def bitfield RNDN <15:12>;
| 75def bitfield RDUP rdup; 76def bitfield RNDN rddn;
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77
| 77
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78def bitfield RDHI <15:12>; 79def bitfield RDLO <11: 8>;
| 78def bitfield RDHI rdhi; 79def bitfield RDLO rdlo;
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80
| 80
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81def bitfield U_FIELD <23:23>;
| 81def bitfield U_FIELD uField;
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82
| 82
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83def bitfield PUSWL <24:20>; 84def bitfield PREPOST <24:24>; 85def bitfield UP <23:23>; 86def bitfield PSRUSER <22:22>; 87def bitfield WRITEBACK <21:21>; 88def bitfield LOADOP <20:20>;
| 83def bitfield PUSWL puswl; 84def bitfield PREPOST puswl.prepost; 85def bitfield UP puswl.up; 86def bitfield PSRUSER puswl.psruser; 87def bitfield WRITEBACK puswl.writeback; 88def bitfield LOADOP puswl.loadOp;
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89
| 89
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90def bitfield PUBWL <24:20>; 91def bitfield PUIWL <24:20>; 92def bitfield BYTEACCESS <22:22>;
| 90def bitfield PUBWL pubwl; 91def bitfield PUIWL puiwl; 92def bitfield BYTEACCESS byteAccess;
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93
| 93
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94def bitfield LUAS <23:20>;
| 94def bitfield LUAS luas;
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95
| 95
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96def bitfield IMM < 7: 0>; 97def bitfield IMMED_7_4 < 7: 4>; 98def bitfield IMMED_3_0 < 3: 0>;
| 96def bitfield IMM imm; 97def bitfield IMMED_7_4 immed7_4; 98def bitfield IMMED_3_0 immed3_0;
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99
| 99
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100def bitfield F_MSR <19:19>; 101def bitfield S_MSR <18:18>; 102def bitfield X_MSR <17:17>; 103def bitfield C_MSR <16:16>;
| 100def bitfield F_MSR msr.f; 101def bitfield S_MSR msr.s; 102def bitfield X_MSR msr.x; 103def bitfield C_MSR msr.c;
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104
| 104
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105def bitfield Y_6 < 6: 6>; 106def bitfield X_5 < 5: 5>;
| 105def bitfield Y_6 y; 106def bitfield X_5 x;
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107
| 107
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108def bitfield IMMED_15_4 <15: 4>;
| 108def bitfield IMMED_15_4 immed15_4;
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109
| 109
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110def bitfield W_FIELD <21:21>;
| 110def bitfield W_FIELD wField;
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111
| 111
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112def bitfield ROTATE <11: 8>; 113def bitfield IMMED_7_0 < 7: 0>;
| 112def bitfield ROTATE rotate; 113def bitfield IMMED_7_0 immed7_0;
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114
| 114
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115def bitfield T_FIELD <21:21>; 116def bitfield IMMED_11_0 <11: 0>;
| 115def bitfield T_FIELD tField; 116def bitfield IMMED_11_0 immed11_0;
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117
| 117
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118def bitfield IMMED_20_16 <20:16>; 119def bitfield IMMED_19_16 <19:16>;
| 118def bitfield IMMED_20_16 immed20_16; 119def bitfield IMMED_19_16 immed19_16;
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120
| 120
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121def bitfield IMMED_HI_11_8 <11: 8>; 122def bitfield IMMED_LO_3_0 < 3: 0>;
| 121def bitfield IMMED_HI_11_8 immedHi11_8; 122def bitfield IMMED_LO_3_0 immedLo3_0;
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123
| 123
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124def bitfield ROT <11:10>;
| 124def bitfield ROT rot;
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125
| 125
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126def bitfield R_FIELD < 5: 5>;
| 126def bitfield R_FIELD rField;
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127
| 127
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128def bitfield CARET <22:22>; 129def bitfield REGLIST <15: 0>;
| 128def bitfield CARET caret; 129def bitfield REGLIST regList;
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130
| 130
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131def bitfield OFFSET <23: 0>; 132def bitfield COPRO <11: 8>; 133def bitfield OP1_7_4 < 7: 4>; 134def bitfield CM < 3: 0>;
| 131def bitfield OFFSET offset; 132def bitfield COPRO copro; 133def bitfield OP1_7_4 op1_7_4; 134def bitfield CM cm;
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135
| 135
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136def bitfield L_FIELD <22:22>; 137def bitfield CD <15:12>; 138def bitfield OPTION < 7: 0>;
| 136def bitfield L_FIELD lField; 137def bitfield CD cd; 138def bitfield OPTION option;
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139
| 139
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140def bitfield OP1_23_20 <23:20>; 141def bitfield CN <19:16>; 142def bitfield OP2_7_5 < 7: 5>;
| 140def bitfield OP1_23_20 op1_23_20; 141def bitfield CN cn; 142def bitfield OP2_7_5 op2_7_5;
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143
| 143
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144def bitfield OP1_23_21 <23:21>;
| 144def bitfield OP1_23_21 op1_23_21;
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145
| 145
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146def bitfield IMMED_23_0 <23: 0>; 147def bitfield M_FIELD <17:17>; 148def bitfield A_FIELD < 8: 8>; 149def bitfield I_FIELD < 7: 7>; 150def bitfield F_FIELD < 6: 6>; 151def bitfield MODE < 4: 0>;
| 146def bitfield IMMED_23_0 immed23_0; 147def bitfield M_FIELD mField; 148def bitfield A_FIELD aField; 149def bitfield I_FIELD iField; 150def bitfield F_FIELD fField; 151def bitfield MODE mode;
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152
| 152
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153def bitfield A_BLX <24:24>;
| 153def bitfield A_BLX aBlx;
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154
| 154
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155def bitfield CPNUM <11: 8>;
| 155def bitfield CPNUM cpNum;
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156// Note that FP Regs are only 3 bits
| 156// Note that FP Regs are only 3 bits
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157def bitfield FN <18:16>; 158def bitfield FD <14:12>; 159def bitfield FPREGIMM < 3: 3>;
| 157def bitfield FN fn; 158def bitfield FD fd; 159def bitfield FPREGIMM fpRegImm;
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160// We can just use 3:0 for FM since the hard-wired FP regs are handled in 161// float_regfile.hh
| 160// We can just use 3:0 for FM since the hard-wired FP regs are handled in 161// float_regfile.hh
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162def bitfield FM < 3: 0>; 163def bitfield FPIMM < 2: 0>; 164def bitfield PUNWL <24:20>;
| 162def bitfield FM fm; 163def bitfield FPIMM fpImm; 164def bitfield PUNWL punwl;
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165 166// M5 instructions
| 165 166// M5 instructions
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167def bitfield M5FUNC <7:0>;
| 167def bitfield M5FUNC m5Func;
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168
| 168
|