| /* |
| * Copyright (c) 2013 ARM Limited |
| * Copyright (c) 2014 Sven Karlsson |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Copyright (c) 2017 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: Andreas Hansson |
| * Sven Karlsson |
| * Alec Roelke |
| */ |
| |
| #ifndef __ARCH_RISCV_TYPES_HH__ |
| #define __ARCH_RISCV_TYPES_HH__ |
| |
| #include "arch/generic/types.hh" |
| |
| namespace RiscvISA |
| { |
| |
| typedef uint32_t MachInst; |
| typedef uint64_t ExtMachInst; |
| |
| class PCState : public GenericISA::UPCState<MachInst> |
| { |
| private: |
| bool _compressed; |
| bool _rv32; |
| |
| public: |
| PCState() : UPCState() { _compressed = false; _rv32 = false; } |
| PCState(Addr val) : UPCState(val) { _compressed = false; _rv32 = false; } |
| |
| void compressed(bool c) { _compressed = c; } |
| bool compressed() { return _compressed; } |
| |
| void rv32(bool val) { _rv32 = val; } |
| bool rv32() const { return _rv32; } |
| |
| bool |
| branching() const |
| { |
| if (_compressed) { |
| return npc() != pc() + sizeof(MachInst)/2 || |
| nupc() != upc() + 1; |
| } else { |
| return npc() != pc() + sizeof(MachInst) || |
| nupc() != upc() + 1; |
| } |
| } |
| }; |
| |
| } |
| |
| #endif // __ARCH_RISCV_TYPES_HH__ |