| // -*- mode:c++ -*- | |
| // Copyright (c) 2015 RISC-V Foundation | |
| // Copyright (c) 2016 The University of Virginia | |
| // All rights reserved. | |
| // | |
| // Redistribution and use in source and binary forms, with or without | |
| // modification, are permitted provided that the following conditions are | |
| // met: redistributions of source code must retain the above copyright | |
| // notice, this list of conditions and the following disclaimer; | |
| // redistributions in binary form must reproduce the above copyright | |
| // notice, this list of conditions and the following disclaimer in the | |
| // documentation and/or other materials provided with the distribution; | |
| // neither the name of the copyright holders nor the names of its | |
| // contributors may be used to endorse or promote products derived from | |
| // this software without specific prior written permission. | |
| // | |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| // | |
| // Authors: Maxwell Walter | |
| // Alec Roelke | |
| //////////////////////////////////////////////////////////////////// | |
| // | |
| // Bitfield definitions. | |
| // | |
| def bitfield QUADRANT <1:0>; | |
| def bitfield OPCODE <6:2>; | |
| // R-Type | |
| def bitfield ALL <31:0>; | |
| def bitfield RD <11:7>; | |
| def bitfield FUNCT3 <14:12>; | |
| def bitfield RS1 <19:15>; | |
| def bitfield RS2 <24:20>; | |
| def bitfield FUNCT7 <31:25>; | |
| // Bit shifts | |
| def bitfield SRTYPE <30>; | |
| def bitfield SHAMT5 <24:20>; | |
| def bitfield SHAMT6 <25:20>; | |
| // I-Type | |
| def bitfield IMM12 <31:20>; | |
| // S-Type | |
| def bitfield IMM5 <11:7>; | |
| def bitfield IMM7 <31:25>; | |
| // U-Type | |
| def bitfield IMM20 <31:12>; | |
| // SB-Type | |
| def bitfield BIMM12BIT11 <7>; | |
| def bitfield BIMM12BITS4TO1<11:8>; | |
| def bitfield BIMM12BITS10TO5 <30:25>; | |
| def bitfield IMMSIGN <31>; | |
| // UJ-Type | |
| def bitfield UJIMMBITS10TO1 <30:21>; | |
| def bitfield UJIMMBIT11 <20>; | |
| def bitfield UJIMMBITS19TO12 <19:12>; | |
| // System | |
| def bitfield FUNCT12 <31:20>; | |
| def bitfield CSRIMM <19:15>; | |
| // Floating point | |
| def bitfield FD <11:7>; | |
| def bitfield FS1 <19:15>; | |
| def bitfield FS2 <24:20>; | |
| def bitfield FS3 <31:27>; | |
| def bitfield ROUND_MODE <14:12>; | |
| def bitfield CONV_SGN <24:20>; | |
| def bitfield FUNCT2 <26:25>; | |
| // AMO | |
| def bitfield AMOFUNCT <31:27>; | |
| def bitfield AQ <26>; | |
| def bitfield RL <25>; | |
| // Compressed | |
| def bitfield COPCODE <15:13>; | |
| def bitfield CFUNCT1 <12>; | |
| def bitfield CFUNCT2HIGH <11:10>; | |
| def bitfield CFUNCT2LOW <6:5>; | |
| def bitfield RC1 <11:7>; | |
| def bitfield RC2 <6:2>; | |
| def bitfield RP1 <9:7>; | |
| def bitfield RP2 <4:2>; | |
| def bitfield FC1 <11:7>; | |
| def bitfield FC2 <6:2>; | |
| def bitfield FP2 <4:2>; | |
| def bitfield CJUMPIMM <12:2>; | |
| def bitfield CIMM8 <12:5>; | |
| def bitfield CIMM6 <12:7>; | |
| def bitfield CIMM5 <6:2>; | |
| def bitfield CIMM3 <12:10>; | |
| def bitfield CIMM2 <6:5>; | |
| def bitfield CIMM1 <12>; |