src/arch/arm/remote_gdb.hh

   1 /*
   2  * Copyright 2014 Google, Inc.
   3  * Copyright (c) 2013 ARM Limited
   4  * All rights reserved
   5  *
   6  * The license below extends only to copyright in the software and shall
   7  * not be construed as granting a license to any other intellectual
   8  * property including but not limited to intellectual property relating
   9  * to a hardware implementation of the functionality of the software
  10  * licensed hereunder.  You may use the software subject to the license
  11  * terms below provided that you ensure that this notice is replicated
  12  * unmodified and in its entirety in all distributions of the software,
  13  * modified or unmodified, in source code or in binary form.
  14  *
  15  * Copyright (c) 2002-2005 The Regents of The University of Michigan
  16  * Copyright (c) 2007-2008 The Florida State University
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms, with or without
  20  * modification, are permitted provided that the following conditions are
  21  * met: redistributions of source code must retain the above copyright
  22  * notice, this list of conditions and the following disclaimer;
  23  * redistributions in binary form must reproduce the above copyright
  24  * notice, this list of conditions and the following disclaimer in the
  25  * documentation and/or other materials provided with the distribution;
  26  * neither the name of the copyright holders nor the names of its
  27  * contributors may be used to endorse or promote products derived from
  28  * this software without specific prior written permission.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  31  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  32  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  33  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  34  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  35  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  36  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  37  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  38  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  39  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  40  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  41  *
  42  * Authors: Nathan Binkert
  43  *          Stephen Hines
  44  */
  45
  46 #ifndef __ARCH_ARM_REMOTE_GDB_HH__
  47 #define __ARCH_ARM_REMOTE_GDB_HH__
  48
  49 #include <algorithm>
  50
  51 #include "base/remote_gdb.hh"
  52
  53 class System;
  54 class ThreadContext;
  55
  56 namespace ArmISA
  57 {
  58
  59 // AArch32 registers with vfpv3/neon
  60 enum {
  61     GDB32_R0 = 0,
  62     GDB32_CPSR = 16,
  63     GDB32_F0 = 17,
  64     GDB32_FPSCR = 81,
  65     GDB32_NUMREGS = 82
  66 };
  67
  68 // AArch64 registers
  69 enum {
  70     GDB64_X0 = 0,
  71     GDB64_SPX = 31,
  72     GDB64_PC = 32,
  73     GDB64_CPSR = 33,
  74     GDB64_V0 = 34,
  75     GDB64_V0_32 = 2 * GDB64_V0,
  76     GDB64_NUMREGS = 98
  77 };
  78
  79 const int GDB_REG_BYTES M5_VAR_USED =
  80     std::max(GDB64_NUMREGS * sizeof(uint64_t),
  81              GDB32_NUMREGS * sizeof(uint32_t));
  82
  83 class RemoteGDB : public BaseRemoteGDB
  84 {
  85   protected:
  86     bool acc(Addr addr, size_t len);
  87     bool write(Addr addr, size_t size, const char *data);
  88
  89     void getregs();
  90     void setregs();
  91
  92   public:
  93     RemoteGDB(System *_system, ThreadContext *tc);
  94 };
  95 } // namespace ArmISA
  96
  97 #endif /* __ARCH_ARM_REMOTE_GDB_H__ */