RubyDirectedTester.cc revision 8232 
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * Copyright (c) 2009-2010 Advanced Micro Devices, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "cpu/testers/directedtest/DirectedGenerator.hh"
31#include "cpu/testers/directedtest/RubyDirectedTester.hh"
32#include "debug/DirectedTest.hh"
33#include "mem/ruby/eventqueue/RubyEventQueue.hh"
34#include "sim/sim_exit.hh"
35
36RubyDirectedTester::RubyDirectedTester(const Params *p)
37  : MemObject(p), directedStartEvent(this),
38    m_requests_to_complete(p->requests_to_complete),
39    generator(p->generator)
40{
41    m_requests_completed = 0;
42
43    // add the check start event to the event queue
44    schedule(directedStartEvent, 1);
45}
46
47RubyDirectedTester::~RubyDirectedTester()
48{
49    for (int i = 0; i < ports.size(); i++)
50        delete ports[i];
51}
52
53void
54RubyDirectedTester::init()
55{
56    assert(ports.size() > 0);
57    generator->setDirectedTester(this);
58}
59
60Port *
61RubyDirectedTester::getPort(const std::string &if_name, int idx)
62{
63    if (if_name != "cpuPort") {
64        panic("RubyDirectedTester::getPort: unknown port %s requested", if_name);
65    }
66
67    if (idx >= (int)ports.size()) {
68        ports.resize(idx + 1);
69    }
70
71    if (ports[idx] != NULL) {
72        panic("RubyDirectedTester::getPort: port %d already assigned", idx);
73    }
74
75    CpuPort *port = new CpuPort(csprintf("%s-port%d", name(), idx), this, idx);
76
77    ports[idx] = port;
78    return port;
79}
80
81Tick
82RubyDirectedTester::CpuPort::recvAtomic(PacketPtr pkt)
83{
84    panic("RubyDirectedTester::CpuPort::recvAtomic() not implemented!\n");
85    return 0;
86}
87
88bool
89RubyDirectedTester::CpuPort::recvTiming(PacketPtr pkt)
90{
91    tester->hitCallback(idx, pkt->getAddr());
92
93    //
94    // Now that the tester has completed, delete the packet, then return
95    //
96    delete pkt->req;
97    delete pkt;
98    return true;
99}
100
101Port*
102RubyDirectedTester::getCpuPort(int idx)
103{
104    assert(idx >= 0 && idx < ports.size());
105
106    return ports[idx];
107}
108
109void
110RubyDirectedTester::hitCallback(NodeID proc, Addr addr)
111{
112    DPRINTF(DirectedTest,
113            "completed request for proc: %d addr: 0x%x\n",
114            proc,
115            addr);
116
117    generator->performCallback(proc, addr);
118    schedule(directedStartEvent, curTick());
119}
120
121void
122RubyDirectedTester::wakeup()
123{
124    if (m_requests_completed < m_requests_to_complete) {
125        if (!generator->initiate()) {
126            schedule(directedStartEvent, curTick() + 1);
127        }
128    } else {
129        exitSimLoop("Ruby DirectedTester completed");
130    }
131}
132
133RubyDirectedTester *
134RubyDirectedTesterParams::create()
135{
136    return new RubyDirectedTester(this);
137}
138