text: /*
   * Copyright (c) 2006 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.
   */
  
  #ifndef __MIPS_PROCESS_HH__
  #define __MIPS_PROCESS_HH__
  
  #include <string>
  #include <vector>
  
  #include "mem/page_table.hh"
  #include "sim/process.hh"
  #include "sim/syscall_abi.hh"
  
  namespace Loader
  {
  class ObjectFile;
  } // namespace Loader
  
  class MipsProcess : public Process
  {
    protected:
      MipsProcess(ProcessParams * params, ::Loader::ObjectFile *objFile);
  
      void initState();
  
      template<class IntType>
      void argsInit(int pageSize);
  
    public:
      struct SyscallABI : public GenericSyscallABI64
      {
          static const std::vector<int> ArgumentRegs;
      };
  };
  
  namespace GuestABI
  {
  
  template <>
  struct Result<MipsProcess::SyscallABI, SyscallReturn>
  {
      static void
      store(ThreadContext *tc, const SyscallReturn &ret)
      {
          if (ret.suppressed() || ret.needsRetry())
              return;
  
          if (ret.successful()) {
              // no error
              tc->setIntReg(MipsISA::SyscallSuccessReg, 0);
              tc->setIntReg(MipsISA::ReturnValueReg, ret.returnValue());
          } else {
              // got an error, return details
              tc->setIntReg(MipsISA::SyscallSuccessReg, (uint32_t)(-1));
              tc->setIntReg(MipsISA::ReturnValueReg, ret.errnoValue());
          }
          if (ret.count() > 1)
              tc->setIntReg(MipsISA::SyscallPseudoReturnReg, ret.value2());
      }
  };
  
  } // namespace GuestABI
  
  #endif // __MIPS_PROCESS_HH__
  