src/arch/sparc/process.hh

   1 /*
   2  * Copyright (c) 2003-2004 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Gabe Black
  29  *          Ali Saidi
  30  */
  31
  32 #ifndef __SPARC_PROCESS_HH__
  33 #define __SPARC_PROCESS_HH__
  34
  35 #include <string>
  36 #include <vector>
  37 #include "sim/process.hh"
  38
  39 class ObjectFile;
  40 class System;
  41
  42 class SparcLiveProcess : public LiveProcess
  43 {
  44   protected:
  45
  46     //The locations of the fill and spill handlers
  47     Addr fillStart, spillStart;
  48
  49     SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
  50                 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
  51                 std::vector<std::string> &argv,
  52                 std::vector<std::string> &envp,
  53                 const std::string &cwd,
  54                 uint64_t _uid, uint64_t _euid,
  55                 uint64_t _gid, uint64_t _egid,
  56                 uint64_t _pid, uint64_t _ppid);
  57
  58   public:
  59
  60     //Handles traps which request services from the operating system
  61     virtual void handleTrap(int trapNum, ThreadContext *tc);
  62
  63     Addr readFillStart()
  64     { return fillStart; }
  65
  66     Addr readSpillStart()
  67     { return spillStart; }
  68
  69 };
  70
  71 struct M5_32_auxv_t
  72 {
  73     int32_t a_type;
  74     union {
  75         int32_t a_val;
  76         int32_t a_ptr;
  77         int32_t a_fcn;
  78     };
  79
  80     M5_32_auxv_t()
  81     {}
  82
  83     M5_32_auxv_t(int32_t type, int32_t val);
  84 };
  85
  86 class Sparc32LiveProcess : public SparcLiveProcess
  87 {
  88   protected:
  89
  90     std::vector<M5_32_auxv_t> auxv;
  91
  92     Sparc32LiveProcess(const std::string &nm, ObjectFile *objFile,
  93                 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
  94                 std::vector<std::string> &argv,
  95                 std::vector<std::string> &envp,
  96                 const std::string &cwd,
  97                 uint64_t _uid, uint64_t _euid,
  98                 uint64_t _gid, uint64_t _egid,
  99                 uint64_t _pid, uint64_t _ppid) :
 100             SparcLiveProcess(nm, objFile, _system,
 101                          stdin_fd, stdout_fd, stderr_fd,
 102                          argv, envp, cwd,
 103                          _uid, _euid, _gid, _egid, _pid, _ppid)
 104     {
 105         // Set up stack. On SPARC Linux, stack goes from the top of memory
 106         // downward, less the hole for the kernel address space.
 107         stack_base = (Addr)0xf0000000ULL;
 108
 109         // Set up region for mmaps.
 110         mmap_start = mmap_end = 0x70000000;
 111     }
 112
 113     void startup();
 114
 115   public:
 116
 117     void argsInit(int intSize, int pageSize);
 118
 119 };
 120
 121 struct M5_64_auxv_t
 122 {
 123     int64_t a_type;
 124     union {
 125         int64_t a_val;
 126         int64_t a_ptr;
 127         int64_t a_fcn;
 128     };
 129
 130     M5_64_auxv_t()
 131     {}
 132
 133     M5_64_auxv_t(int64_t type, int64_t val);
 134 };
 135
 136 class Sparc64LiveProcess : public SparcLiveProcess
 137 {
 138   protected:
 139
 140     static const Addr StackBias = 2047;
 141
 142     std::vector<M5_64_auxv_t> auxv;
 143
 144     Sparc64LiveProcess(const std::string &nm, ObjectFile *objFile,
 145                 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
 146                 std::vector<std::string> &argv,
 147                 std::vector<std::string> &envp,
 148                 const std::string &cwd,
 149                 uint64_t _uid, uint64_t _euid,
 150                 uint64_t _gid, uint64_t _egid,
 151                 uint64_t _pid, uint64_t _ppid) :
 152             SparcLiveProcess(nm, objFile, _system,
 153                          stdin_fd, stdout_fd, stderr_fd,
 154                          argv, envp, cwd,
 155                          _uid, _euid, _gid, _egid, _pid, _ppid)
 156     {
 157         // Set up stack. On SPARC Linux, stack goes from the top of memory
 158         // downward, less the hole for the kernel address space.
 159         stack_base = (Addr)0x80000000000ULL;
 160
 161         // Set up region for mmaps.  Tru64 seems to start just above 0 and
 162         // grow up from there.
 163         mmap_start = mmap_end = 0xfffff80000000000ULL;
 164     }
 165
 166     void startup();
 167
 168   public:
 169
 170     void argsInit(int intSize, int pageSize);
 171
 172 };
 173
 174 #endif // __SPARC_PROCESS_HH__