remote_gdb.hh (13612:12ae022f3a30) remote_gdb.hh (14186:146c010fa764)
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:
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;
53 static const int NumGDBRegs = 4162;
54 static const int NumCSRs = 4096;
54
55 bool acc(Addr addr, size_t len);
55
56 bool acc(Addr addr, size_t len);
57 // A breakpoint will be 2 bytes if it is compressed and 4 if not
58 bool checkBpLen(size_t len) override { return len == 2 || len == 4; }
56
57 class RiscvGdbRegCache : public BaseGdbRegCache
58 {
59 using BaseGdbRegCache::BaseGdbRegCache;
60 private:
61 struct {
62 uint64_t gpr[NumIntArchRegs];
63 uint64_t pc;
59
60 class RiscvGdbRegCache : public BaseGdbRegCache
61 {
62 using BaseGdbRegCache::BaseGdbRegCache;
63 private:
64 struct {
65 uint64_t gpr[NumIntArchRegs];
66 uint64_t pc;
64 uint64_t fpr[NumFloatRegs];
65
66 uint64_t csr_base;
67 uint32_t fflags;
68 uint32_t frm;
69 uint32_t fcsr;
70 uint64_t csr[NumMiscRegs - ExplicitCSRs];
71 } __attribute__((__packed__)) r;
67 } 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, int _port);
89 BaseGdbRegCache *gdbRegs();
90};
91
92} // namespace RiscvISA
93
94#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */
68 public:
69 char *data() const { return (char *)&r; }
70 size_t size() const { return sizeof(r); }
71 void getRegs(ThreadContext*);
72 void setRegs(ThreadContext*) const;
73
74 const std::string
75 name() const
76 {
77 return gdb->name() + ".RiscvGdbRegCache";
78 }
79 };
80
81 RiscvGdbRegCache regCache;
82
83 public:
84 RemoteGDB(System *_system, ThreadContext *tc, int _port);
85 BaseGdbRegCache *gdbRegs();
86};
87
88} // namespace RiscvISA
89
90#endif /* __ARCH_RISCV_REMOTE_GDB_H__ */