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/*
* Copyright (c) 2017 The University of Virginia
* Copyright 2015 LabWare
* Copyright 2014 Google, Inc.
* Copyright (c) 2007 The Regents of The University of Michigan
* 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: Nathan Binkert
* Boris Shingarov
* Alec Roelke
*/
#ifndef __ARCH_RISCV_REMOTE_GDB_HH__
#define __ARCH_RISCV_REMOTE_GDB_HH__
#include <string>
#include "arch/riscv/registers.hh"
#include "base/remote_gdb.hh"
class System;
class ThreadContext;
namespace RiscvISA
{
class RemoteGDB : public BaseRemoteGDB
{
protected:
static const int ExplicitCSRs = 4;
bool acc(Addr addr, size_t len);
class RiscvGdbRegCache : public BaseGdbRegCache
{
using BaseGdbRegCache::BaseGdbRegCache;
private:
struct {
IntReg gpr[NumIntArchRegs];
IntReg pc;
FloatRegBits fpr[NumFloatRegs];
MiscReg csr_base;
uint32_t fflags;
uint32_t frm;
uint32_t fcsr;
MiscReg csr[NumMiscRegs - ExplicitCSRs];
} __attribute__((__packed__)) r;
public:
char *data() const { return (char *)&r; }
size_t size() const { return sizeof(r); }
void getRegs(ThreadContext*);
void setRegs(ThreadContext*) const;
const std::string
name() const
{
return gdb->name() + ".RiscvGdbRegCache";
}
};
RiscvGdbRegCache regCache;
public:
RemoteGDB(System *_system, ThreadContext *tc, int _port);
BaseGdbRegCache *gdbRegs();
};
} // namespace RiscvISA
#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */
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