1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* Copyright (c) 2009 Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "base/misc.hh"
#include "cpu/testers/rubytest/Check.hh"
#include "cpu/testers/rubytest/RubyTester.hh"
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/common/SubBlock.hh"
#include "mem/ruby/eventqueue/RubyEventQueue.hh"
#include "mem/ruby/system/System.hh"
#include "sim/sim_exit.hh"
RubyTester::RubyTester(const Params *p)
: MemObject(p), checkStartEvent(this),
m_checks_to_complete(p->checks_to_complete),
m_deadlock_threshold(p->deadlock_threshold),
m_wakeup_frequency(p->wakeup_frequency)
{
m_checks_completed = 0;
// add the check start event to the event queue
schedule(checkStartEvent, 1);
}
RubyTester::~RubyTester()
{
delete m_checkTable_ptr;
for (int i = 0; i < ports.size(); i++)
delete ports[i];
}
void
RubyTester::init()
{
assert(ports.size() > 0);
m_last_progress_vector.resize(ports.size());
for (int i = 0; i < m_last_progress_vector.size(); i++) {
m_last_progress_vector[i] = 0;
}
m_num_cpu_sequencers = ports.size();
m_checkTable_ptr = new CheckTable(m_num_cpu_sequencers, this);
}
Port *
RubyTester::getPort(const std::string &if_name, int idx)
{
if (if_name != "cpuPort") {
panic("RubyTester::getPort: unknown port %s requested", if_name);
}
if (idx >= (int)ports.size()) {
ports.resize(idx + 1);
}
if (ports[idx] != NULL) {
panic("RubyTester::getPort: port %d already assigned", idx);
}
CpuPort *port = new CpuPort(csprintf("%s-port%d", name(), idx), this, idx);
ports[idx] = port;
return port;
}
Tick
RubyTester::CpuPort::recvAtomic(PacketPtr pkt)
{
panic("RubyTester::CpuPort::recvAtomic() not implemented!\n");
return 0;
}
bool
RubyTester::CpuPort::recvTiming(PacketPtr pkt)
{
// retrieve the subblock and call hitCallback
RubyTester::SenderState* senderState =
safe_cast<RubyTester::SenderState*>(pkt->senderState);
SubBlock* subblock = senderState->subBlock;
assert(subblock != NULL);
// pop the sender state from the packet
pkt->senderState = senderState->saved;
tester->hitCallback(idx, subblock);
// Now that the tester has completed, delete the senderState
// (includes sublock) and the packet, then return
delete senderState;
delete pkt->req;
delete pkt;
return true;
}
Port*
RubyTester::getCpuPort(int idx)
{
assert(idx >= 0 && idx < ports.size());
return ports[idx];
}
void
RubyTester::hitCallback(NodeID proc, SubBlock* data)
{
// Mark that we made progress
m_last_progress_vector[proc] = g_eventQueue_ptr->getTime();
DPRINTF(RubyTest, "completed request for proc: %d\n", proc);
DPRINTF(RubyTest, "addr: 0x%x, size: %d, data: ",
data->getAddress(), data->getSize());
for (int byte = 0; byte < data->getSize(); byte++) {
DPRINTF(RubyTest, "%d", data->getByte(byte));
}
DPRINTF(RubyTest, "\n");
// This tells us our store has 'completed' or for a load gives us
// back the data to make the check
Check* check_ptr = m_checkTable_ptr->getCheck(data->getAddress());
assert(check_ptr != NULL);
check_ptr->performCallback(proc, data);
}
void
RubyTester::wakeup()
{
if (m_checks_completed < m_checks_to_complete) {
// Try to perform an action or check
Check* check_ptr = m_checkTable_ptr->getRandomCheck();
assert(check_ptr != NULL);
check_ptr->initiate();
checkForDeadlock();
schedule(checkStartEvent, curTick() + m_wakeup_frequency);
} else {
exitSimLoop("Ruby Tester completed");
}
}
void
RubyTester::checkForDeadlock()
{
int size = m_last_progress_vector.size();
Time current_time = g_eventQueue_ptr->getTime();
for (int processor = 0; processor < size; processor++) {
if ((current_time - m_last_progress_vector[processor]) >
m_deadlock_threshold) {
panic("Deadlock detected: current_time: %d last_progress_time: %d "
"difference: %d processor: %d\n",
current_time, m_last_progress_vector[processor],
current_time - m_last_progress_vector[processor], processor);
}
}
}
void
RubyTester::print(std::ostream& out) const
{
out << "[RubyTester]" << std::endl;
}
RubyTester *
RubyTesterParams::create()
{
return new RubyTester(this);
}
|
