169 lines
5.2 KiB
Text
169 lines
5.2 KiB
Text
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// -*- mode:c++ -*-
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// Copyright (c) 2007-2008 The Florida State University
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met: redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer;
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// redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution;
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// neither the name of the copyright holders nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Authors: Stephen Hines
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////////////////////////////////////////////////////////////////////
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//
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// Bitfield definitions.
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//
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// Opcode fields
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def bitfield OPCODE <27:25>;
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def bitfield OPCODE_27_25 <27:25>;
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def bitfield OPCODE_24_21 <24:21>;
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def bitfield OPCODE_24_23 <24:23>;
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def bitfield OPCODE_24 <24:24>;
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def bitfield OPCODE_23_20 <23:20>;
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def bitfield OPCODE_23_21 <23:21>;
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def bitfield OPCODE_23 <23:23>;
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def bitfield OPCODE_22_8 <22: 8>;
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def bitfield OPCODE_22_21 <22:21>;
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def bitfield OPCODE_22 <22:22>;
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def bitfield OPCODE_21_20 <21:20>;
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def bitfield OPCODE_20 <20:20>;
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def bitfield OPCODE_19_18 <19:18>;
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def bitfield OPCODE_19 <19:19>;
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def bitfield OPCODE_15_12 <15:12>;
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def bitfield OPCODE_15 <15:15>;
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def bitfield OPCODE_9 < 9: 9>;
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def bitfield OPCODE_7_4 < 7: 4>;
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def bitfield OPCODE_7_5 < 7: 5>;
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def bitfield OPCODE_7_6 < 7: 6>;
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def bitfield OPCODE_7 < 7: 7>;
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def bitfield OPCODE_6_5 < 6: 5>;
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def bitfield OPCODE_6 < 6: 6>;
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def bitfield OPCODE_5 < 5: 5>;
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def bitfield OPCODE_4 < 4: 4>;
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// Other
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def bitfield COND_CODE <31:28>;
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def bitfield S_FIELD <20:20>;
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def bitfield RN <19:16>;
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def bitfield RD <15:12>;
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def bitfield SHIFT_SIZE <11: 7>;
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def bitfield SHIFT < 6: 5>;
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def bitfield RM < 3: 0>;
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def bitfield RS <11: 8>;
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def bitfield RDUP <19:16>;
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def bitfield RNDN <15:12>;
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def bitfield RDHI <15:12>;
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def bitfield RDLO <11: 8>;
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def bitfield U_FIELD <23:23>;
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def bitfield PUSWL <24:20>;
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def bitfield PREPOST <24:24>;
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def bitfield UP <23:23>;
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def bitfield PSRUSER <22:22>;
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def bitfield WRITEBACK <21:21>;
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def bitfield LOADOP <20:20>;
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def bitfield PUBWL <24:20>;
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def bitfield PUIWL <24:20>;
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def bitfield BYTEACCESS <22:22>;
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def bitfield LUAS <23:20>;
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def bitfield IMM < 7: 0>;
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def bitfield IMMED_7_4 < 7: 4>;
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def bitfield IMMED_3_0 < 3: 0>;
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def bitfield F_MSR <19:19>;
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def bitfield S_MSR <18:18>;
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def bitfield X_MSR <17:17>;
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def bitfield C_MSR <16:16>;
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def bitfield Y_6 < 6: 6>;
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def bitfield X_5 < 5: 5>;
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def bitfield IMMED_15_4 <15: 4>;
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def bitfield W_FIELD <21:21>;
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def bitfield ROTATE <11: 8>;
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def bitfield IMMED_7_0 < 7: 0>;
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def bitfield T_FIELD <21:21>;
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def bitfield IMMED_11_0 <11: 0>;
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def bitfield IMMED_20_16 <20:16>;
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def bitfield IMMED_19_16 <19:16>;
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def bitfield IMMED_HI_11_8 <11: 8>;
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def bitfield IMMED_LO_3_0 < 3: 0>;
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def bitfield ROT <11:10>;
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def bitfield R_FIELD < 5: 5>;
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def bitfield CARET <22:22>;
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def bitfield REGLIST <15: 0>;
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def bitfield OFFSET <23: 0>;
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def bitfield COPRO <11: 8>;
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def bitfield OP1_7_4 < 7: 4>;
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def bitfield CM < 3: 0>;
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def bitfield L_FIELD <22:22>;
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def bitfield CD <15:12>;
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def bitfield OPTION < 7: 0>;
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def bitfield OP1_23_20 <23:20>;
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def bitfield CN <19:16>;
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def bitfield OP2_7_5 < 7: 5>;
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def bitfield OP1_23_21 <23:21>;
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def bitfield IMMED_23_0 <23: 0>;
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def bitfield M_FIELD <17:17>;
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def bitfield A_FIELD < 8: 8>;
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def bitfield I_FIELD < 7: 7>;
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def bitfield F_FIELD < 6: 6>;
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def bitfield MODE < 4: 0>;
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def bitfield A_BLX <24:24>;
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def bitfield CPNUM <11: 8>;
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// Note that FP Regs are only 3 bits
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def bitfield FN <18:16>;
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def bitfield FD <14:12>;
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def bitfield FPREGIMM < 3: 3>;
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// We can just use 3:0 for FM since the hard-wired FP regs are handled in
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// float_regfile.hh
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def bitfield FM < 3: 0>;
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def bitfield FPIMM < 2: 0>;
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def bitfield PUNWL <24:20>;
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// M5 instructions
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def bitfield M5FUNC <7:0>;
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