ARM: Add support for GDB on ARM
[gem5.git] / src / arch / arm / remote_gdb.hh
1 /*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007-2008 The Florida State University
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Nathan Binkert
30 * Stephen Hines
31 */
32
33 #ifndef __ARCH_ARM_REMOTE_GDB_HH__
34 #define __ARCH_ARM_REMOTE_GDB_HH__
35
36 #include "base/remote_gdb.hh"
37
38 class System;
39 class ThreadContext;
40 class PhysicalMemory;
41
42 namespace ArmISA
43 {
44 // registers for arm with vfpv3/neon
45 const int NUMREGS = 41; /* r0-r15, cpsr, d0-d31, fpscr */
46 const int REG_R0 = 0;
47 const int REG_F0 = 8;
48 const int REG_CPSR = 8; /* bit 512 to bit 543 */
49 const int REG_FPSCR = 40; /* bit 2592 to bit 2623 */
50
51 class RemoteGDB : public BaseRemoteGDB
52 {
53
54 protected:
55 Addr notTakenBkpt;
56 Addr takenBkpt;
57
58 protected:
59 bool acc(Addr addr, size_t len);
60 bool write(Addr addr, size_t size, const char *data);
61
62 void getregs();
63 void setregs();
64
65 void clearSingleStep();
66 void setSingleStep();
67
68 public:
69 RemoteGDB(System *_system, ThreadContext *tc);
70 };
71 } // namespace ArmISA
72
73 #endif /* __ARCH_ARM_REMOTE_GDB_H__ */