RubyDirectedTester.cc revision 11320:42ecb523c64a 
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
15 * Copyright (c) 2009-2010 Advanced Micro Devices, Inc.
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;
22 * redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution;
25 * neither the name of the copyright holders nor the names of its
26 * contributors may be used to endorse or promote products derived from
27 * this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 */
41
42#include "cpu/testers/directedtest/DirectedGenerator.hh"
43#include "cpu/testers/directedtest/RubyDirectedTester.hh"
44#include "debug/DirectedTest.hh"
45#include "sim/sim_exit.hh"
46
47RubyDirectedTester::RubyDirectedTester(const Params *p)
48  : MemObject(p), directedStartEvent(this),
49    m_requests_to_complete(p->requests_to_complete),
50    generator(p->generator)
51{
52    m_requests_completed = 0;
53
54    // create the ports
55    for (int i = 0; i < p->port_cpuPort_connection_count; ++i) {
56        ports.push_back(new CpuPort(csprintf("%s-port%d", name(), i),
57                                    this, i));
58    }
59
60    // add the check start event to the event queue
61    schedule(directedStartEvent, 1);
62}
63
64RubyDirectedTester::~RubyDirectedTester()
65{
66    for (int i = 0; i < ports.size(); i++)
67        delete ports[i];
68}
69
70void
71RubyDirectedTester::init()
72{
73    assert(ports.size() > 0);
74    generator->setDirectedTester(this);
75}
76
77BaseMasterPort &
78RubyDirectedTester::getMasterPort(const std::string &if_name, PortID idx)
79{
80    if (if_name != "cpuPort") {
81        // pass it along to our super class
82        return MemObject::getMasterPort(if_name, idx);
83    } else {
84        if (idx >= static_cast<int>(ports.size())) {
85            panic("RubyDirectedTester::getMasterPort: unknown index %d\n", idx);
86        }
87
88        return *ports[idx];
89    }
90}
91
92bool
93RubyDirectedTester::CpuPort::recvTimingResp(PacketPtr pkt)
94{
95    tester->hitCallback(id, pkt->getAddr());
96
97    //
98    // Now that the tester has completed, delete the packet, then return
99    //
100    delete pkt->req;
101    delete pkt;
102    return true;
103}
104
105MasterPort*
106RubyDirectedTester::getCpuPort(int idx)
107{
108    assert(idx >= 0 && idx < ports.size());
109
110    return ports[idx];
111}
112
113void
114RubyDirectedTester::hitCallback(NodeID proc, Addr addr)
115{
116    DPRINTF(DirectedTest,
117            "completed request for proc: %d addr: 0x%x\n",
118            proc,
119            addr);
120
121    generator->performCallback(proc, addr);
122    schedule(directedStartEvent, curTick());
123}
124
125void
126RubyDirectedTester::wakeup()
127{
128    if (m_requests_completed < m_requests_to_complete) {
129        if (!generator->initiate()) {
130            schedule(directedStartEvent, curTick() + 1);
131        }
132    } else {
133        exitSimLoop("Ruby DirectedTester completed");
134    }
135}
136
137RubyDirectedTester *
138RubyDirectedTesterParams::create()
139{
140    return new RubyDirectedTester(this);
141}
142