remote_gdb.hh revision 12031
1/* 2 * Copyright (c) 2017 The University of Virginia 3 * Copyright 2015 LabWare 4 * Copyright 2014 Google, Inc. 5 * Copyright (c) 2007 The Regents of The University of Michigan 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer; 12 * redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution; 15 * neither the name of the copyright holders nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 * Authors: Nathan Binkert 32 * Boris Shingarov 33 * Alec Roelke 34 */ 35 36#ifndef __ARCH_RISCV_REMOTE_GDB_HH__ 37#define __ARCH_RISCV_REMOTE_GDB_HH__ 38 39#include <string> 40 41#include "arch/riscv/registers.hh" 42#include "base/remote_gdb.hh" 43 44class System; 45class ThreadContext; 46 47namespace RiscvISA 48{ 49 50class RemoteGDB : public BaseRemoteGDB 51{ 52 protected: 53 static const int ExplicitCSRs = 4; 54 55 bool acc(Addr addr, size_t len); 56 57 class RiscvGdbRegCache : public BaseGdbRegCache 58 { 59 using BaseGdbRegCache::BaseGdbRegCache; 60 private: 61 struct { 62 IntReg gpr[NumIntArchRegs]; 63 IntReg pc; 64 FloatRegBits fpr[NumFloatRegs]; 65 66 MiscReg csr_base; 67 uint32_t fflags; 68 uint32_t frm; 69 uint32_t fcsr; 70 MiscReg csr[NumMiscRegs - ExplicitCSRs]; 71 } __attribute__((__packed__)) r; 72 public: 73 char *data() const { return (char *)&r; } 74 size_t size() const { return sizeof(r); } 75 void getRegs(ThreadContext*); 76 void setRegs(ThreadContext*) const; 77 78 const std::string 79 name() const 80 { 81 return gdb->name() + ".RiscvGdbRegCache"; 82 } 83 }; 84 85 RiscvGdbRegCache regCache; 86 87 public: 88 RemoteGDB(System *_system, ThreadContext *tc); 89 BaseGdbRegCache *gdbRegs(); 90}; 91 92} // namespace RiscvISA 93 94#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */ 95