intr_control.cc revision 8229:78bf55f23338 
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 * Authors: Nathan Binkert
29 *          Ron Dreslinski
30 */
31
32#include <string>
33#include <vector>
34
35#include "base/trace.hh"
36#include "cpu/base.hh"
37#include "cpu/intr_control.hh"
38#include "cpu/thread_context.hh"
39#include "sim/sim_object.hh"
40
41using namespace std;
42
43IntrControl::IntrControl(const Params *p)
44    : SimObject(p), sys(p->sys)
45{}
46
47void
48IntrControl::post(int cpu_id, int int_num, int index)
49{
50    DPRINTF(IntrControl, "post  %d:%d (cpu %d)\n", int_num, index, cpu_id);
51    std::vector<ThreadContext *> &tcvec = sys->threadContexts;
52    BaseCPU *cpu = tcvec[cpu_id]->getCpuPtr();
53    cpu->postInterrupt(int_num, index);
54}
55
56void
57IntrControl::clear(int cpu_id, int int_num, int index)
58{
59    DPRINTF(IntrControl, "clear %d:%d (cpu %d)\n", int_num, index, cpu_id);
60    std::vector<ThreadContext *> &tcvec = sys->threadContexts;
61    BaseCPU *cpu = tcvec[cpu_id]->getCpuPtr();
62    cpu->clearInterrupt(int_num, index);
63}
64
65IntrControl *
66IntrControlParams::create()
67{
68    return new IntrControl(this);
69}
70