util/m5/src/call_type/inst.cc

   1 /*
   2  * Copyright 2020 Google Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met: redistributions of source code must retain the above copyright
   7  * notice, this list of conditions and the following disclaimer;
   8  * redistributions in binary form must reproduce the above copyright
   9  * notice, this list of conditions and the following disclaimer in the
  10  * documentation and/or other materials provided with the distribution;
  11  * neither the name of the copyright holders nor the names of its
  12  * contributors may be used to endorse or promote products derived from
  13  * this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <cstring>
  29
  30 #include "args.hh"
  31 #include "call_type.hh"
  32 #include "dispatch_table.hh"
  33
  34 namespace
  35 {
  36
  37 DispatchTable inst_dispatch = {
  38 #define M5OP(name, func) .name = &::name,
  39 M5OP_FOREACH
  40 #undef M5OP
  41 };
  42
  43 class InstCallType : public CallType
  44 {
  45   public:
  46     bool isDefault() const override { return CALL_TYPE_IS_DEFAULT; }
  47     const DispatchTable &getDispatch() const override { return inst_dispatch; }
  48
  49     bool
  50     checkArgs(Args &args) override
  51     {
  52         if (args.size() && args[0] == "--inst") {
  53             args.pop();
  54             return true;
  55         }
  56         return false;
  57     }
  58
  59     void printBrief(std::ostream &os) const override { os << "--inst"; }
  60     void
  61     printDesc(std::ostream &os) const override
  62     {
  63         os << "Use the instruction based invocation method.";
  64     }
  65 } inst_call_type;
  66
  67 } // anonymous namespace