cpu/intr_control.cc

   1 /*
   2  * Copyright (c) 2002-2005 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
  29 #include <string>
  30 #include <vector>
  31
  32 #include "cpu/base.hh"
  33 #include "cpu/exec_context.hh"
  34 #include "cpu/intr_control.hh"
  35 #include "sim/builder.hh"
  36 #include "sim/sim_object.hh"
  37
  38 using namespace std;
  39
  40 IntrControl::IntrControl(const string &name, BaseCPU *c)
  41     : SimObject(name), cpu(c)
  42 {}
  43
  44 /* @todo
  45  *Fix the cpu sim object parameter to be a system pointer
  46  *instead, to avoid some extra dereferencing
  47  */
  48 void
  49 IntrControl::post(int int_num, int index)
  50 {
  51     std::vector<ExecContext *> &xcvec = cpu->system->execContexts;
  52     BaseCPU *temp = xcvec[0]->getCpuPtr();
  53     temp->post_interrupt(int_num, index);
  54 }
  55
  56 void
  57 IntrControl::post(int cpu_id, int int_num, int index)
  58 {
  59     std::vector<ExecContext *> &xcvec = cpu->system->execContexts;
  60     BaseCPU *temp = xcvec[cpu_id]->getCpuPtr();
  61     temp->post_interrupt(int_num, index);
  62 }
  63
  64 void
  65 IntrControl::clear(int int_num, int index)
  66 {
  67     std::vector<ExecContext *> &xcvec = cpu->system->execContexts;
  68     BaseCPU *temp = xcvec[0]->getCpuPtr();
  69     temp->clear_interrupt(int_num, index);
  70 }
  71
  72 void
  73 IntrControl::clear(int cpu_id, int int_num, int index)
  74 {
  75     std::vector<ExecContext *> &xcvec = cpu->system->execContexts;
  76     BaseCPU *temp = xcvec[cpu_id]->getCpuPtr();
  77     temp->clear_interrupt(int_num, index);
  78 }
  79
  80 BEGIN_DECLARE_SIM_OBJECT_PARAMS(IntrControl)
  81
  82     SimObjectParam<BaseCPU *> cpu;
  83
  84 END_DECLARE_SIM_OBJECT_PARAMS(IntrControl)
  85
  86 BEGIN_INIT_SIM_OBJECT_PARAMS(IntrControl)
  87
  88     INIT_PARAM(cpu, "the cpu")
  89
  90 END_INIT_SIM_OBJECT_PARAMS(IntrControl)
  91
  92 CREATE_SIM_OBJECT(IntrControl)
  93 {
  94     return new IntrControl(getInstanceName(), cpu);
  95 }
  96
  97 REGISTER_SIM_OBJECT("IntrControl", IntrControl)