remote_gdb.hh revision 12449
15222Sksewell@umich.edu/* 25222Sksewell@umich.edu * Copyright (c) 2017 The University of Virginia 35222Sksewell@umich.edu * Copyright 2015 LabWare 45222Sksewell@umich.edu * Copyright 2014 Google, Inc. 55222Sksewell@umich.edu * Copyright (c) 2007 The Regents of The University of Michigan 65222Sksewell@umich.edu * All rights reserved. 75222Sksewell@umich.edu * 85222Sksewell@umich.edu * Redistribution and use in source and binary forms, with or without 95222Sksewell@umich.edu * modification, are permitted provided that the following conditions are 105222Sksewell@umich.edu * met: redistributions of source code must retain the above copyright 115222Sksewell@umich.edu * notice, this list of conditions and the following disclaimer; 125222Sksewell@umich.edu * redistributions in binary form must reproduce the above copyright 135222Sksewell@umich.edu * notice, this list of conditions and the following disclaimer in the 145222Sksewell@umich.edu * documentation and/or other materials provided with the distribution; 155222Sksewell@umich.edu * neither the name of the copyright holders nor the names of its 165222Sksewell@umich.edu * contributors may be used to endorse or promote products derived from 175222Sksewell@umich.edu * this software without specific prior written permission. 185222Sksewell@umich.edu * 195222Sksewell@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 205222Sksewell@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 215222Sksewell@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 225222Sksewell@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 235222Sksewell@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 245222Sksewell@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 255222Sksewell@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 265222Sksewell@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 275222Sksewell@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 285222Sksewell@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 295222Sksewell@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 305222Sksewell@umich.edu * 315222Sksewell@umich.edu * Authors: Nathan Binkert 325222Sksewell@umich.edu * Boris Shingarov 335222Sksewell@umich.edu * Alec Roelke 345222Sksewell@umich.edu */ 355222Sksewell@umich.edu 365222Sksewell@umich.edu#ifndef __ARCH_RISCV_REMOTE_GDB_HH__ 375222Sksewell@umich.edu#define __ARCH_RISCV_REMOTE_GDB_HH__ 385222Sksewell@umich.edu 395222Sksewell@umich.edu#include <string> 405222Sksewell@umich.edu 415222Sksewell@umich.edu#include "arch/riscv/registers.hh" 425222Sksewell@umich.edu#include "base/remote_gdb.hh" 435222Sksewell@umich.edu 445222Sksewell@umich.educlass System; 455222Sksewell@umich.educlass ThreadContext; 465222Sksewell@umich.edu 475222Sksewell@umich.edunamespace RiscvISA 485222Sksewell@umich.edu{ 495222Sksewell@umich.edu 505222Sksewell@umich.educlass RemoteGDB : public BaseRemoteGDB 515222Sksewell@umich.edu{ 525222Sksewell@umich.edu protected: 535222Sksewell@umich.edu static const int ExplicitCSRs = 4; 545222Sksewell@umich.edu 555222Sksewell@umich.edu bool acc(Addr addr, size_t len); 565222Sksewell@umich.edu 575222Sksewell@umich.edu class RiscvGdbRegCache : public BaseGdbRegCache 585222Sksewell@umich.edu { 595222Sksewell@umich.edu using BaseGdbRegCache::BaseGdbRegCache; 605222Sksewell@umich.edu private: 615222Sksewell@umich.edu struct { 625222Sksewell@umich.edu IntReg gpr[NumIntArchRegs]; 635222Sksewell@umich.edu IntReg pc; 645222Sksewell@umich.edu FloatRegBits fpr[NumFloatRegs]; 655222Sksewell@umich.edu 665222Sksewell@umich.edu MiscReg csr_base; 675222Sksewell@umich.edu uint32_t fflags; 685222Sksewell@umich.edu uint32_t frm; 695222Sksewell@umich.edu uint32_t fcsr; 705222Sksewell@umich.edu MiscReg csr[NumMiscRegs - ExplicitCSRs]; 715222Sksewell@umich.edu } __attribute__((__packed__)) r; 725222Sksewell@umich.edu public: 735222Sksewell@umich.edu char *data() const { return (char *)&r; } 745222Sksewell@umich.edu size_t size() const { return sizeof(r); } 755222Sksewell@umich.edu void getRegs(ThreadContext*); 765222Sksewell@umich.edu void setRegs(ThreadContext*) const; 775222Sksewell@umich.edu 785222Sksewell@umich.edu const std::string 795222Sksewell@umich.edu name() const 805222Sksewell@umich.edu { 815222Sksewell@umich.edu return gdb->name() + ".RiscvGdbRegCache"; 825222Sksewell@umich.edu } 835222Sksewell@umich.edu }; 845222Sksewell@umich.edu 855222Sksewell@umich.edu RiscvGdbRegCache regCache; 865222Sksewell@umich.edu 875222Sksewell@umich.edu public: 885222Sksewell@umich.edu RemoteGDB(System *_system, ThreadContext *tc, int _port); 895222Sksewell@umich.edu BaseGdbRegCache *gdbRegs(); 905222Sksewell@umich.edu}; 915222Sksewell@umich.edu 925222Sksewell@umich.edu} // namespace RiscvISA 935222Sksewell@umich.edu 945222Sksewell@umich.edu#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */ 955222Sksewell@umich.edu