types.hh revision 12120:133620bfc43b
1/* 2 * Copyright (c) 2013 ARM Limited 3 * Copyright (c) 2014 Sven Karlsson 4 * All rights reserved 5 * 6 * The license below extends only to copyright in the software and shall 7 * not be construed as granting a license to any other intellectual 8 * property including but not limited to intellectual property relating 9 * to a hardware implementation of the functionality of the software 10 * licensed hereunder. You may use the software subject to the license 11 * terms below provided that you ensure that this notice is replicated 12 * unmodified and in its entirety in all distributions of the software, 13 * modified or unmodified, in source code or in binary form. 14 * 15 * Copyright (c) 2017 The University of Virginia 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions are 20 * met: redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer; 22 * redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution; 25 * neither the name of the copyright holders nor the names of its 26 * contributors may be used to endorse or promote products derived from 27 * this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Authors: Andreas Hansson 42 * Sven Karlsson 43 * Alec Roelke 44 */ 45 46#ifndef __ARCH_RISCV_TYPES_HH__ 47#define __ARCH_RISCV_TYPES_HH__ 48 49#include "arch/generic/types.hh" 50 51namespace RiscvISA 52{ 53 54typedef uint32_t MachInst; 55typedef uint64_t ExtMachInst; 56 57class PCState : public GenericISA::UPCState<MachInst> 58{ 59 private: 60 bool _compressed; 61 62 public: 63 PCState() : UPCState() { _compressed = false; } 64 PCState(Addr val) : UPCState(val) { _compressed = false; } 65 66 void compressed(bool c) { _compressed = c; } 67 bool compressed() { return _compressed; } 68 69 bool 70 branching() const 71 { 72 if (_compressed) { 73 return npc() != pc() + sizeof(MachInst)/2 || 74 nupc() != upc() + 1; 75 } else { 76 return npc() != pc() + sizeof(MachInst) || 77 nupc() != upc() + 1; 78 } 79 } 80}; 81 82} 83 84#endif // __ARCH_RISCV_TYPES_HH__