src/systemc/core/sc_simcontext.cc

   1 /*
   2  * Copyright 2018 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  * Authors: Gabe Black
  28  */
  29
  30 #include "systemc/core/object.hh"
  31 #include "systemc/core/scheduler.hh"
  32 #include "systemc/ext/core/sc_main.hh"
  33 #include "systemc/ext/core/sc_simcontext.hh"
  34
  35 namespace sc_core
  36 {
  37
  38 namespace
  39 {
  40
  41 size_t objIndex = 0;
  42 sc_simcontext currContext;
  43
  44 sc_curr_proc_info currProcInfo;
  45
  46 } // anonymous namespace
  47
  48 sc_dt::uint64 sc_simcontext::delta_count() const { return sc_delta_count(); }
  49 void sc_simcontext::reset() { objIndex = 0; }
  50
  51 sc_curr_proc_handle
  52 sc_simcontext::get_curr_proc_info()
  53 {
  54     ::sc_gem5::Process *p = ::sc_gem5::scheduler.current();
  55     currProcInfo.process_handle = p;
  56     currProcInfo.kind = p ? p->procKind() : SC_NO_PROC_;
  57     return &currProcInfo;
  58 }
  59
  60 sc_object *
  61 sc_simcontext::first_object()
  62 {
  63     objIndex = 0;
  64     if (!::sc_gem5::allObjects.empty())
  65         return ::sc_gem5::allObjects[0];
  66     else
  67         return nullptr;
  68 }
  69
  70 sc_object *
  71 sc_simcontext::next_object()
  72 {
  73     objIndex++;
  74     if (::sc_gem5::allObjects.size() > objIndex)
  75         return ::sc_gem5::allObjects[objIndex];
  76     else
  77         return nullptr;
  78 }
  79
  80 bool
  81 sc_simcontext::elaboration_done()
  82 {
  83     return ::sc_gem5::scheduler.elaborationDone();
  84 }
  85
  86 sc_simcontext *
  87 sc_get_curr_simcontext()
  88 {
  89     return &currContext;
  90 }
  91
  92 } // namespace sc_core