1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * Copyright (c) 2009 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/rubytest/Check.hh"
31#include "debug/RubyTest.hh"
32#include "mem/ruby/common/SubBlock.hh"
33#include "mem/ruby/system/Sequencer.hh"
34#include "mem/ruby/system/System.hh"
35
36typedef RubyTester::SenderState SenderState;
37
38Check::Check(const Address& address, const Address& pc,
39 int _num_writers, int _num_readers, RubyTester* _tester)
40 : m_num_writers(_num_writers), m_num_readers(_num_readers),
41 m_tester_ptr(_tester)
42{
43 m_status = TesterStatus_Idle;
44
45 pickValue();
46 pickInitiatingNode();
47 changeAddress(address);
48 m_pc = pc;
49 m_access_mode = RubyAccessMode(random() % RubyAccessMode_NUM);
50 m_store_count = 0;
51}
52
53void
54Check::initiate()
55{
56 DPRINTF(RubyTest, "initiating\n");
57 debugPrint();
58
59 // currently no protocols support prefetches
60 if (false && (random() & 0xf) == 0) {
61 initiatePrefetch(); // Prefetch from random processor
62 }
63
64 if (m_tester_ptr->getCheckFlush() && (random() & 0xff) == 0) {
65 initiateFlush(); // issue a Flush request from random processor
66 }
67
68 if (m_status == TesterStatus_Idle) {
69 initiateAction();
70 } else if (m_status == TesterStatus_Ready) {
71 initiateCheck();
72 } else {
73 // Pending - do nothing
74 DPRINTF(RubyTest,
75 "initiating action/check - failed: action/check is pending\n");
76 }
77}
78
79void
80Check::initiatePrefetch()
81{
82 DPRINTF(RubyTest, "initiating prefetch\n");
83
84 int index = random() % m_num_readers;
85 MasterPort* port = m_tester_ptr->getReadableCpuPort(index);
86
87 Request::Flags flags;
88 flags.set(Request::PREFETCH);
89
90 Packet::Command cmd;
91
92 // 1 in 8 chance this will be an exclusive prefetch
93 if ((random() & 0x7) != 0) {
94 cmd = MemCmd::ReadReq;
95
96 // if necessary, make the request an instruction fetch
97 if (m_tester_ptr->isInstReadableCpuPort(index)) {
98 flags.set(Request::INST_FETCH);
99 }
100 } else {
101 cmd = MemCmd::WriteReq;
102 flags.set(Request::PF_EXCLUSIVE);
103 }
104
105 // Prefetches are assumed to be 0 sized
106 Request *req = new Request(m_address.getAddress(), 0, flags,
107 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
108 req->setThreadContext(index, 0);
109
110 PacketPtr pkt = new Packet(req, cmd);
111
112 // push the subblock onto the sender state. The sequencer will
113 // update the subblock on the return
| 1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * Copyright (c) 2009 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/rubytest/Check.hh"
31#include "debug/RubyTest.hh"
32#include "mem/ruby/common/SubBlock.hh"
33#include "mem/ruby/system/Sequencer.hh"
34#include "mem/ruby/system/System.hh"
35
36typedef RubyTester::SenderState SenderState;
37
38Check::Check(const Address& address, const Address& pc,
39 int _num_writers, int _num_readers, RubyTester* _tester)
40 : m_num_writers(_num_writers), m_num_readers(_num_readers),
41 m_tester_ptr(_tester)
42{
43 m_status = TesterStatus_Idle;
44
45 pickValue();
46 pickInitiatingNode();
47 changeAddress(address);
48 m_pc = pc;
49 m_access_mode = RubyAccessMode(random() % RubyAccessMode_NUM);
50 m_store_count = 0;
51}
52
53void
54Check::initiate()
55{
56 DPRINTF(RubyTest, "initiating\n");
57 debugPrint();
58
59 // currently no protocols support prefetches
60 if (false && (random() & 0xf) == 0) {
61 initiatePrefetch(); // Prefetch from random processor
62 }
63
64 if (m_tester_ptr->getCheckFlush() && (random() & 0xff) == 0) {
65 initiateFlush(); // issue a Flush request from random processor
66 }
67
68 if (m_status == TesterStatus_Idle) {
69 initiateAction();
70 } else if (m_status == TesterStatus_Ready) {
71 initiateCheck();
72 } else {
73 // Pending - do nothing
74 DPRINTF(RubyTest,
75 "initiating action/check - failed: action/check is pending\n");
76 }
77}
78
79void
80Check::initiatePrefetch()
81{
82 DPRINTF(RubyTest, "initiating prefetch\n");
83
84 int index = random() % m_num_readers;
85 MasterPort* port = m_tester_ptr->getReadableCpuPort(index);
86
87 Request::Flags flags;
88 flags.set(Request::PREFETCH);
89
90 Packet::Command cmd;
91
92 // 1 in 8 chance this will be an exclusive prefetch
93 if ((random() & 0x7) != 0) {
94 cmd = MemCmd::ReadReq;
95
96 // if necessary, make the request an instruction fetch
97 if (m_tester_ptr->isInstReadableCpuPort(index)) {
98 flags.set(Request::INST_FETCH);
99 }
100 } else {
101 cmd = MemCmd::WriteReq;
102 flags.set(Request::PF_EXCLUSIVE);
103 }
104
105 // Prefetches are assumed to be 0 sized
106 Request *req = new Request(m_address.getAddress(), 0, flags,
107 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
108 req->setThreadContext(index, 0);
109
110 PacketPtr pkt = new Packet(req, cmd);
111
112 // push the subblock onto the sender state. The sequencer will
113 // update the subblock on the return
|
114 pkt->senderState =
115 new SenderState(m_address, req->getSize(), pkt->senderState);
| 114 pkt->senderState = new SenderState(m_address, req->getSize());
|
116
117 if (port->sendTimingReq(pkt)) {
118 DPRINTF(RubyTest, "successfully initiated prefetch.\n");
119 } else {
120 // If the packet did not issue, must delete
| 115
116 if (port->sendTimingReq(pkt)) {
117 DPRINTF(RubyTest, "successfully initiated prefetch.\n");
118 } else {
119 // If the packet did not issue, must delete
|
121 SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
122 pkt->senderState = senderState->saved;
123 delete senderState;
| 120 delete pkt->senderState;
|
124 delete pkt->req;
125 delete pkt;
126
127 DPRINTF(RubyTest,
128 "prefetch initiation failed because Port was busy.\n");
129 }
130}
131
132void
133Check::initiateFlush()
134{
135
136 DPRINTF(RubyTest, "initiating Flush\n");
137
138 int index = random() % m_num_writers;
139 MasterPort* port = m_tester_ptr->getWritableCpuPort(index);
140
141 Request::Flags flags;
142
143 Request *req = new Request(m_address.getAddress(), CHECK_SIZE, flags,
144 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
145
146 Packet::Command cmd;
147
148 cmd = MemCmd::FlushReq;
149
150 PacketPtr pkt = new Packet(req, cmd);
151
152 // push the subblock onto the sender state. The sequencer will
153 // update the subblock on the return
| 121 delete pkt->req;
122 delete pkt;
123
124 DPRINTF(RubyTest,
125 "prefetch initiation failed because Port was busy.\n");
126 }
127}
128
129void
130Check::initiateFlush()
131{
132
133 DPRINTF(RubyTest, "initiating Flush\n");
134
135 int index = random() % m_num_writers;
136 MasterPort* port = m_tester_ptr->getWritableCpuPort(index);
137
138 Request::Flags flags;
139
140 Request *req = new Request(m_address.getAddress(), CHECK_SIZE, flags,
141 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
142
143 Packet::Command cmd;
144
145 cmd = MemCmd::FlushReq;
146
147 PacketPtr pkt = new Packet(req, cmd);
148
149 // push the subblock onto the sender state. The sequencer will
150 // update the subblock on the return
|
154 pkt->senderState =
155 new SenderState(m_address, req->getSize(), pkt->senderState);
| 151 pkt->senderState = new SenderState(m_address, req->getSize());
|
156
157 if (port->sendTimingReq(pkt)) {
158 DPRINTF(RubyTest, "initiating Flush - successful\n");
159 }
160}
161
162void
163Check::initiateAction()
164{
165 DPRINTF(RubyTest, "initiating Action\n");
166 assert(m_status == TesterStatus_Idle);
167
168 int index = random() % m_num_writers;
169 MasterPort* port = m_tester_ptr->getWritableCpuPort(index);
170
171 Request::Flags flags;
172
173 // Create the particular address for the next byte to be written
174 Address writeAddr(m_address.getAddress() + m_store_count);
175
176 // Stores are assumed to be 1 byte-sized
177 Request *req = new Request(writeAddr.getAddress(), 1, flags,
178 m_tester_ptr->masterId(), curTick(),
179 m_pc.getAddress());
180
181 req->setThreadContext(index, 0);
182 Packet::Command cmd;
183
184 // 1 out of 8 chance, issue an atomic rather than a write
185 // if ((random() & 0x7) == 0) {
186 // cmd = MemCmd::SwapReq;
187 // } else {
188 cmd = MemCmd::WriteReq;
189 // }
190
191 PacketPtr pkt = new Packet(req, cmd);
192 uint8_t *writeData = new uint8_t;
193 *writeData = m_value + m_store_count;
194 pkt->dataDynamic(writeData);
195
196 DPRINTF(RubyTest, "data 0x%x check 0x%x\n",
197 *(pkt->getPtr<uint8_t>()), *writeData);
198
199 // push the subblock onto the sender state. The sequencer will
200 // update the subblock on the return
| 152
153 if (port->sendTimingReq(pkt)) {
154 DPRINTF(RubyTest, "initiating Flush - successful\n");
155 }
156}
157
158void
159Check::initiateAction()
160{
161 DPRINTF(RubyTest, "initiating Action\n");
162 assert(m_status == TesterStatus_Idle);
163
164 int index = random() % m_num_writers;
165 MasterPort* port = m_tester_ptr->getWritableCpuPort(index);
166
167 Request::Flags flags;
168
169 // Create the particular address for the next byte to be written
170 Address writeAddr(m_address.getAddress() + m_store_count);
171
172 // Stores are assumed to be 1 byte-sized
173 Request *req = new Request(writeAddr.getAddress(), 1, flags,
174 m_tester_ptr->masterId(), curTick(),
175 m_pc.getAddress());
176
177 req->setThreadContext(index, 0);
178 Packet::Command cmd;
179
180 // 1 out of 8 chance, issue an atomic rather than a write
181 // if ((random() & 0x7) == 0) {
182 // cmd = MemCmd::SwapReq;
183 // } else {
184 cmd = MemCmd::WriteReq;
185 // }
186
187 PacketPtr pkt = new Packet(req, cmd);
188 uint8_t *writeData = new uint8_t;
189 *writeData = m_value + m_store_count;
190 pkt->dataDynamic(writeData);
191
192 DPRINTF(RubyTest, "data 0x%x check 0x%x\n",
193 *(pkt->getPtr<uint8_t>()), *writeData);
194
195 // push the subblock onto the sender state. The sequencer will
196 // update the subblock on the return
|
201 pkt->senderState =
202 new SenderState(writeAddr, req->getSize(), pkt->senderState);
| 197 pkt->senderState = new SenderState(writeAddr, req->getSize());
|
203
204 if (port->sendTimingReq(pkt)) {
205 DPRINTF(RubyTest, "initiating action - successful\n");
206 DPRINTF(RubyTest, "status before action update: %s\n",
207 (TesterStatus_to_string(m_status)).c_str());
208 m_status = TesterStatus_Action_Pending;
209 } else {
210 // If the packet did not issue, must delete
211 // Note: No need to delete the data, the packet destructor
212 // will delete it
| 198
199 if (port->sendTimingReq(pkt)) {
200 DPRINTF(RubyTest, "initiating action - successful\n");
201 DPRINTF(RubyTest, "status before action update: %s\n",
202 (TesterStatus_to_string(m_status)).c_str());
203 m_status = TesterStatus_Action_Pending;
204 } else {
205 // If the packet did not issue, must delete
206 // Note: No need to delete the data, the packet destructor
207 // will delete it
|
213 SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
214 pkt->senderState = senderState->saved;
215 delete senderState;
| 208 delete pkt->senderState;
|
216 delete pkt->req;
217 delete pkt;
218
219 DPRINTF(RubyTest, "failed to initiate action - sequencer not ready\n");
220 }
221
222 DPRINTF(RubyTest, "status after action update: %s\n",
223 (TesterStatus_to_string(m_status)).c_str());
224}
225
226void
227Check::initiateCheck()
228{
229 DPRINTF(RubyTest, "Initiating Check\n");
230 assert(m_status == TesterStatus_Ready);
231
232 int index = random() % m_num_readers;
233 MasterPort* port = m_tester_ptr->getReadableCpuPort(index);
234
235 Request::Flags flags;
236
237 // If necessary, make the request an instruction fetch
238 if (m_tester_ptr->isInstReadableCpuPort(index)) {
239 flags.set(Request::INST_FETCH);
240 }
241
242 // Checks are sized depending on the number of bytes written
243 Request *req = new Request(m_address.getAddress(), CHECK_SIZE, flags,
244 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
245
246 req->setThreadContext(index, 0);
247 PacketPtr pkt = new Packet(req, MemCmd::ReadReq);
248 uint8_t *dataArray = new uint8_t[CHECK_SIZE];
249 pkt->dataDynamicArray(dataArray);
250
251 // push the subblock onto the sender state. The sequencer will
252 // update the subblock on the return
| 209 delete pkt->req;
210 delete pkt;
211
212 DPRINTF(RubyTest, "failed to initiate action - sequencer not ready\n");
213 }
214
215 DPRINTF(RubyTest, "status after action update: %s\n",
216 (TesterStatus_to_string(m_status)).c_str());
217}
218
219void
220Check::initiateCheck()
221{
222 DPRINTF(RubyTest, "Initiating Check\n");
223 assert(m_status == TesterStatus_Ready);
224
225 int index = random() % m_num_readers;
226 MasterPort* port = m_tester_ptr->getReadableCpuPort(index);
227
228 Request::Flags flags;
229
230 // If necessary, make the request an instruction fetch
231 if (m_tester_ptr->isInstReadableCpuPort(index)) {
232 flags.set(Request::INST_FETCH);
233 }
234
235 // Checks are sized depending on the number of bytes written
236 Request *req = new Request(m_address.getAddress(), CHECK_SIZE, flags,
237 m_tester_ptr->masterId(), curTick(), m_pc.getAddress());
238
239 req->setThreadContext(index, 0);
240 PacketPtr pkt = new Packet(req, MemCmd::ReadReq);
241 uint8_t *dataArray = new uint8_t[CHECK_SIZE];
242 pkt->dataDynamicArray(dataArray);
243
244 // push the subblock onto the sender state. The sequencer will
245 // update the subblock on the return
|
253 pkt->senderState =
254 new SenderState(m_address, req->getSize(), pkt->senderState);
| 246 pkt->senderState = new SenderState(m_address, req->getSize());
|
255
256 if (port->sendTimingReq(pkt)) {
257 DPRINTF(RubyTest, "initiating check - successful\n");
258 DPRINTF(RubyTest, "status before check update: %s\n",
259 TesterStatus_to_string(m_status).c_str());
260 m_status = TesterStatus_Check_Pending;
261 } else {
262 // If the packet did not issue, must delete
263 // Note: No need to delete the data, the packet destructor
264 // will delete it
| 247
248 if (port->sendTimingReq(pkt)) {
249 DPRINTF(RubyTest, "initiating check - successful\n");
250 DPRINTF(RubyTest, "status before check update: %s\n",
251 TesterStatus_to_string(m_status).c_str());
252 m_status = TesterStatus_Check_Pending;
253 } else {
254 // If the packet did not issue, must delete
255 // Note: No need to delete the data, the packet destructor
256 // will delete it
|
265 SenderState* senderState = safe_cast<SenderState*>(pkt->senderState);
266 pkt->senderState = senderState->saved;
267 delete senderState;
| 257 delete pkt->senderState;
|
268 delete pkt->req;
269 delete pkt;
270
271 DPRINTF(RubyTest, "failed to initiate check - cpu port not ready\n");
272 }
273
274 DPRINTF(RubyTest, "status after check update: %s\n",
275 TesterStatus_to_string(m_status).c_str());
276}
277
278void
279Check::performCallback(NodeID proc, SubBlock* data, Time curTime)
280{
281 Address address = data->getAddress();
282
283 // This isn't exactly right since we now have multi-byte checks
284 // assert(getAddress() == address);
285
286 assert(getAddress().getLineAddress() == address.getLineAddress());
287 assert(data != NULL);
288
289 DPRINTF(RubyTest, "RubyTester Callback\n");
290 debugPrint();
291
292 if (m_status == TesterStatus_Action_Pending) {
293 DPRINTF(RubyTest, "Action callback write value: %d, currently %d\n",
294 (m_value + m_store_count), data->getByte(0));
295 // Perform store one byte at a time
296 data->setByte(0, (m_value + m_store_count));
297 m_store_count++;
298 if (m_store_count == CHECK_SIZE) {
299 m_status = TesterStatus_Ready;
300 } else {
301 m_status = TesterStatus_Idle;
302 }
303 DPRINTF(RubyTest, "Action callback return data now %d\n",
304 data->getByte(0));
305 } else if (m_status == TesterStatus_Check_Pending) {
306 DPRINTF(RubyTest, "Check callback\n");
307 // Perform load/check
308 for (int byte_number=0; byte_number<CHECK_SIZE; byte_number++) {
309 if (uint8_t(m_value + byte_number) != data->getByte(byte_number)) {
310 panic("Action/check failure: proc: %d address: %s data: %s "
311 "byte_number: %d m_value+byte_number: %d byte: %d %s"
312 "Time: %d\n",
313 proc, address, data, byte_number,
314 (int)m_value + byte_number,
315 (int)data->getByte(byte_number), *this, curTime);
316 }
317 }
318 DPRINTF(RubyTest, "Action/check success\n");
319 debugPrint();
320
321 // successful check complete, increment complete
322 m_tester_ptr->incrementCheckCompletions();
323
324 m_status = TesterStatus_Idle;
325 pickValue();
326
327 } else {
328 panic("Unexpected TesterStatus: %s proc: %d data: %s m_status: %s "
329 "time: %d\n", *this, proc, data, m_status, curTime);
330 }
331
332 DPRINTF(RubyTest, "proc: %d, Address: 0x%x\n", proc,
333 getAddress().getLineAddress());
334 DPRINTF(RubyTest, "Callback done\n");
335 debugPrint();
336}
337
338void
339Check::changeAddress(const Address& address)
340{
341 assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
342 m_status = TesterStatus_Idle;
343 m_address = address;
344 m_store_count = 0;
345}
346
347void
348Check::pickValue()
349{
350 assert(m_status == TesterStatus_Idle);
351 m_status = TesterStatus_Idle;
352 m_value = random() & 0xff; // One byte
353 m_store_count = 0;
354}
355
356void
357Check::pickInitiatingNode()
358{
359 assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
360 m_status = TesterStatus_Idle;
361 m_initiatingNode = (random() % m_num_writers);
362 DPRINTF(RubyTest, "picked initiating node %d\n", m_initiatingNode);
363 m_store_count = 0;
364}
365
366void
367Check::print(std::ostream& out) const
368{
369 out << "["
370 << m_address << ", value: "
371 << (int)m_value << ", status: "
372 << m_status << ", initiating node: "
373 << m_initiatingNode << ", store_count: "
374 << m_store_count
375 << "]" << std::flush;
376}
377
378void
379Check::debugPrint()
380{
381 DPRINTF(RubyTest,
382 "[%#x, value: %d, status: %s, initiating node: %d, store_count: %d]\n",
383 m_address.getAddress(), (int)m_value,
384 TesterStatus_to_string(m_status).c_str(),
385 m_initiatingNode, m_store_count);
386}
| 258 delete pkt->req;
259 delete pkt;
260
261 DPRINTF(RubyTest, "failed to initiate check - cpu port not ready\n");
262 }
263
264 DPRINTF(RubyTest, "status after check update: %s\n",
265 TesterStatus_to_string(m_status).c_str());
266}
267
268void
269Check::performCallback(NodeID proc, SubBlock* data, Time curTime)
270{
271 Address address = data->getAddress();
272
273 // This isn't exactly right since we now have multi-byte checks
274 // assert(getAddress() == address);
275
276 assert(getAddress().getLineAddress() == address.getLineAddress());
277 assert(data != NULL);
278
279 DPRINTF(RubyTest, "RubyTester Callback\n");
280 debugPrint();
281
282 if (m_status == TesterStatus_Action_Pending) {
283 DPRINTF(RubyTest, "Action callback write value: %d, currently %d\n",
284 (m_value + m_store_count), data->getByte(0));
285 // Perform store one byte at a time
286 data->setByte(0, (m_value + m_store_count));
287 m_store_count++;
288 if (m_store_count == CHECK_SIZE) {
289 m_status = TesterStatus_Ready;
290 } else {
291 m_status = TesterStatus_Idle;
292 }
293 DPRINTF(RubyTest, "Action callback return data now %d\n",
294 data->getByte(0));
295 } else if (m_status == TesterStatus_Check_Pending) {
296 DPRINTF(RubyTest, "Check callback\n");
297 // Perform load/check
298 for (int byte_number=0; byte_number<CHECK_SIZE; byte_number++) {
299 if (uint8_t(m_value + byte_number) != data->getByte(byte_number)) {
300 panic("Action/check failure: proc: %d address: %s data: %s "
301 "byte_number: %d m_value+byte_number: %d byte: %d %s"
302 "Time: %d\n",
303 proc, address, data, byte_number,
304 (int)m_value + byte_number,
305 (int)data->getByte(byte_number), *this, curTime);
306 }
307 }
308 DPRINTF(RubyTest, "Action/check success\n");
309 debugPrint();
310
311 // successful check complete, increment complete
312 m_tester_ptr->incrementCheckCompletions();
313
314 m_status = TesterStatus_Idle;
315 pickValue();
316
317 } else {
318 panic("Unexpected TesterStatus: %s proc: %d data: %s m_status: %s "
319 "time: %d\n", *this, proc, data, m_status, curTime);
320 }
321
322 DPRINTF(RubyTest, "proc: %d, Address: 0x%x\n", proc,
323 getAddress().getLineAddress());
324 DPRINTF(RubyTest, "Callback done\n");
325 debugPrint();
326}
327
328void
329Check::changeAddress(const Address& address)
330{
331 assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
332 m_status = TesterStatus_Idle;
333 m_address = address;
334 m_store_count = 0;
335}
336
337void
338Check::pickValue()
339{
340 assert(m_status == TesterStatus_Idle);
341 m_status = TesterStatus_Idle;
342 m_value = random() & 0xff; // One byte
343 m_store_count = 0;
344}
345
346void
347Check::pickInitiatingNode()
348{
349 assert(m_status == TesterStatus_Idle || m_status == TesterStatus_Ready);
350 m_status = TesterStatus_Idle;
351 m_initiatingNode = (random() % m_num_writers);
352 DPRINTF(RubyTest, "picked initiating node %d\n", m_initiatingNode);
353 m_store_count = 0;
354}
355
356void
357Check::print(std::ostream& out) const
358{
359 out << "["
360 << m_address << ", value: "
361 << (int)m_value << ", status: "
362 << m_status << ", initiating node: "
363 << m_initiatingNode << ", store_count: "
364 << m_store_count
365 << "]" << std::flush;
366}
367
368void
369Check::debugPrint()
370{
371 DPRINTF(RubyTest,
372 "[%#x, value: %d, status: %s, initiating node: %d, store_count: %d]\n",
373 m_address.getAddress(), (int)m_value,
374 TesterStatus_to_string(m_status).c_str(),
375 m_initiatingNode, m_store_count);
376}
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