remote_gdb.hh revision 11963:3fb6bb58e6a4
12381SN/A/*
22381SN/A * Copyright (c) 2017 The University of Virginia
32381SN/A * Copyright 2015 LabWare
42381SN/A * Copyright 2014 Google, Inc.
52381SN/A * Copyright (c) 2007 The Regents of The University of Michigan
62381SN/A * All rights reserved.
72381SN/A *
82381SN/A * Redistribution and use in source and binary forms, with or without
92381SN/A * modification, are permitted provided that the following conditions are
102381SN/A * met: redistributions of source code must retain the above copyright
112381SN/A * notice, this list of conditions and the following disclaimer;
122381SN/A * redistributions in binary form must reproduce the above copyright
132381SN/A * notice, this list of conditions and the following disclaimer in the
142381SN/A * documentation and/or other materials provided with the distribution;
152381SN/A * neither the name of the copyright holders nor the names of its
162381SN/A * contributors may be used to endorse or promote products derived from
172381SN/A * this software without specific prior written permission.
182381SN/A *
192381SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
202381SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
212381SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
222381SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
232381SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
242381SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
252381SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
262381SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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302381SN/A *
312381SN/A * Authors: Nathan Binkert
322381SN/A *          Boris Shingarov
332381SN/A *          Alec Roelke
342381SN/A */
352381SN/A
362381SN/A#ifndef __ARCH_RISCV_REMOTE_GDB_HH__
372381SN/A#define __ARCH_RISCV_REMOTE_GDB_HH__
382381SN/A
392381SN/A#include <string>
402381SN/A
412381SN/A#include "arch/riscv/registers.hh"
422381SN/A#include "base/remote_gdb.hh"
432381SN/A
442439SN/Aclass System;
452381SN/Aclass ThreadContext;
462381SN/A
472381SN/Anamespace RiscvISA
482381SN/A{
492407SN/A
502407SN/Aclass RemoteGDB : public BaseRemoteGDB
512407SN/A{
522407SN/A  protected:
532407SN/A    static const int ExplicitCSRs = 4;
542407SN/A
552407SN/A    bool acc(Addr addr, size_t len);
562407SN/A
572521SN/A    class RiscvGdbRegCache : public BaseGdbRegCache
582407SN/A    {
592381SN/A      using BaseGdbRegCache::BaseGdbRegCache;
602381SN/A      private:
612381SN/A        struct {
622381SN/A            IntReg gpr[NumIntArchRegs];
632381SN/A            IntReg pc;
642381SN/A            FloatRegBits fpr[NumFloatRegs];
652381SN/A
662381SN/A            MiscReg csr_base;
672381SN/A            uint32_t fflags;
682381SN/A            uint32_t frm;
692381SN/A            uint32_t fcsr;
702381SN/A            MiscReg csr[NumMiscRegs - ExplicitCSRs];
712381SN/A        } __attribute__((__packed__)) r;
722640Sstever@eecs.umich.edu      public:
732640Sstever@eecs.umich.edu        char *data() const { return (char *)&r; }
742640Sstever@eecs.umich.edu        size_t size() const { return sizeof(r); }
752640Sstever@eecs.umich.edu        void getRegs(ThreadContext*);
762640Sstever@eecs.umich.edu        void setRegs(ThreadContext*) const;
772661Sstever@eecs.umich.edu
782661Sstever@eecs.umich.edu        const std::string
792661Sstever@eecs.umich.edu        name() const
802661Sstever@eecs.umich.edu        {
812661Sstever@eecs.umich.edu            return gdb->name() + ".RiscvGdbRegCache";
822381SN/A        }
832381SN/A    };
842640Sstever@eecs.umich.edu
852640Sstever@eecs.umich.edu
862640Sstever@eecs.umich.edu  public:
872640Sstever@eecs.umich.edu    RemoteGDB(System *_system, ThreadContext *tc);
882640Sstever@eecs.umich.edu    BaseGdbRegCache *gdbRegs();
892640Sstever@eecs.umich.edu};
902640Sstever@eecs.umich.edu
912661Sstever@eecs.umich.edu} // namespace RiscvISA
922640Sstever@eecs.umich.edu
932640Sstever@eecs.umich.edu#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */
942640Sstever@eecs.umich.edu