mem_checker_monitor.cc (11284:b3926db25371) mem_checker_monitor.cc (11489:47aca087ebb4)
1/*
2 * Copyright (c) 2012-2014 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 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Thomas Grass
38 * Andreas Hansson
39 * Marco Elver
40 */
41
42#include <memory>
43
44#include "base/output.hh"
45#include "base/trace.hh"
46#include "debug/MemCheckerMonitor.hh"
47#include "mem/mem_checker_monitor.hh"
48
49using namespace std;
50
51MemCheckerMonitor::MemCheckerMonitor(Params* params)
52 : MemObject(params),
53 masterPort(name() + "-master", *this),
54 slavePort(name() + "-slave", *this),
55 warnOnly(params->warn_only),
56 memchecker(params->memchecker)
57{}
58
59MemCheckerMonitor::~MemCheckerMonitor()
60{}
61
62MemCheckerMonitor*
63MemCheckerMonitorParams::create()
64{
65 return new MemCheckerMonitor(this);
66}
67
68void
69MemCheckerMonitor::init()
70{
71 // make sure both sides of the monitor are connected
72 if (!slavePort.isConnected() || !masterPort.isConnected())
73 fatal("Communication monitor is not connected on both sides.\n");
74}
75
76BaseMasterPort&
77MemCheckerMonitor::getMasterPort(const std::string& if_name, PortID idx)
78{
79 if (if_name == "master" || if_name == "mem_side") {
80 return masterPort;
81 } else {
82 return MemObject::getMasterPort(if_name, idx);
83 }
84}
85
86BaseSlavePort&
87MemCheckerMonitor::getSlavePort(const std::string& if_name, PortID idx)
88{
89 if (if_name == "slave" || if_name == "cpu_side") {
90 return slavePort;
91 } else {
92 return MemObject::getSlavePort(if_name, idx);
93 }
94}
95
96void
97MemCheckerMonitor::recvFunctional(PacketPtr pkt)
98{
99 Addr addr = pkt->getAddr();
100 unsigned size = pkt->getSize();
101
102 // Conservatively reset this address-range. Alternatively we could try to
103 // update the values seen by the memchecker, however, there may be other
104 // reads/writes to these location from other devices we do not see.
105 memchecker->reset(addr, size);
106
107 masterPort.sendFunctional(pkt);
108
109 DPRINTF(MemCheckerMonitor,
110 "Forwarded functional access: addr = %#llx, size = %d\n",
111 addr, size);
112}
113
114void
115MemCheckerMonitor::recvFunctionalSnoop(PacketPtr pkt)
116{
117 Addr addr = pkt->getAddr();
118 unsigned size = pkt->getSize();
119
120 // See above.
121 memchecker->reset(addr, size);
122
123 slavePort.sendFunctionalSnoop(pkt);
124
125 DPRINTF(MemCheckerMonitor,
126 "Received functional snoop: addr = %#llx, size = %d\n",
127 addr, size);
128}
129
130Tick
131MemCheckerMonitor::recvAtomic(PacketPtr pkt)
132{
133 assert(false && "Atomic not supported");
134 return masterPort.sendAtomic(pkt);
135}
136
137Tick
138MemCheckerMonitor::recvAtomicSnoop(PacketPtr pkt)
139{
140 assert(false && "Atomic not supported");
141 return slavePort.sendAtomicSnoop(pkt);
142}
143
144bool
145MemCheckerMonitor::recvTimingReq(PacketPtr pkt)
146{
147 // should always see a request
148 assert(pkt->isRequest());
149
150 // Store relevant fields of packet, because packet may be modified
151 // or even deleted when sendTiming() is called.
152 //
153 // For reads we are only interested in real reads, and not prefetches, as
154 // it is not guaranteed that the prefetch returns any useful data.
155 bool is_read = pkt->isRead() && !pkt->req->isPrefetch();
156 bool is_write = pkt->isWrite();
157 unsigned size = pkt->getSize();
158 Addr addr = pkt->getAddr();
159 bool expects_response = pkt->needsResponse() && !pkt->cacheResponding();
1/*
2 * Copyright (c) 2012-2014 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 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Thomas Grass
38 * Andreas Hansson
39 * Marco Elver
40 */
41
42#include <memory>
43
44#include "base/output.hh"
45#include "base/trace.hh"
46#include "debug/MemCheckerMonitor.hh"
47#include "mem/mem_checker_monitor.hh"
48
49using namespace std;
50
51MemCheckerMonitor::MemCheckerMonitor(Params* params)
52 : MemObject(params),
53 masterPort(name() + "-master", *this),
54 slavePort(name() + "-slave", *this),
55 warnOnly(params->warn_only),
56 memchecker(params->memchecker)
57{}
58
59MemCheckerMonitor::~MemCheckerMonitor()
60{}
61
62MemCheckerMonitor*
63MemCheckerMonitorParams::create()
64{
65 return new MemCheckerMonitor(this);
66}
67
68void
69MemCheckerMonitor::init()
70{
71 // make sure both sides of the monitor are connected
72 if (!slavePort.isConnected() || !masterPort.isConnected())
73 fatal("Communication monitor is not connected on both sides.\n");
74}
75
76BaseMasterPort&
77MemCheckerMonitor::getMasterPort(const std::string& if_name, PortID idx)
78{
79 if (if_name == "master" || if_name == "mem_side") {
80 return masterPort;
81 } else {
82 return MemObject::getMasterPort(if_name, idx);
83 }
84}
85
86BaseSlavePort&
87MemCheckerMonitor::getSlavePort(const std::string& if_name, PortID idx)
88{
89 if (if_name == "slave" || if_name == "cpu_side") {
90 return slavePort;
91 } else {
92 return MemObject::getSlavePort(if_name, idx);
93 }
94}
95
96void
97MemCheckerMonitor::recvFunctional(PacketPtr pkt)
98{
99 Addr addr = pkt->getAddr();
100 unsigned size = pkt->getSize();
101
102 // Conservatively reset this address-range. Alternatively we could try to
103 // update the values seen by the memchecker, however, there may be other
104 // reads/writes to these location from other devices we do not see.
105 memchecker->reset(addr, size);
106
107 masterPort.sendFunctional(pkt);
108
109 DPRINTF(MemCheckerMonitor,
110 "Forwarded functional access: addr = %#llx, size = %d\n",
111 addr, size);
112}
113
114void
115MemCheckerMonitor::recvFunctionalSnoop(PacketPtr pkt)
116{
117 Addr addr = pkt->getAddr();
118 unsigned size = pkt->getSize();
119
120 // See above.
121 memchecker->reset(addr, size);
122
123 slavePort.sendFunctionalSnoop(pkt);
124
125 DPRINTF(MemCheckerMonitor,
126 "Received functional snoop: addr = %#llx, size = %d\n",
127 addr, size);
128}
129
130Tick
131MemCheckerMonitor::recvAtomic(PacketPtr pkt)
132{
133 assert(false && "Atomic not supported");
134 return masterPort.sendAtomic(pkt);
135}
136
137Tick
138MemCheckerMonitor::recvAtomicSnoop(PacketPtr pkt)
139{
140 assert(false && "Atomic not supported");
141 return slavePort.sendAtomicSnoop(pkt);
142}
143
144bool
145MemCheckerMonitor::recvTimingReq(PacketPtr pkt)
146{
147 // should always see a request
148 assert(pkt->isRequest());
149
150 // Store relevant fields of packet, because packet may be modified
151 // or even deleted when sendTiming() is called.
152 //
153 // For reads we are only interested in real reads, and not prefetches, as
154 // it is not guaranteed that the prefetch returns any useful data.
155 bool is_read = pkt->isRead() && !pkt->req->isPrefetch();
156 bool is_write = pkt->isWrite();
157 unsigned size = pkt->getSize();
158 Addr addr = pkt->getAddr();
159 bool expects_response = pkt->needsResponse() && !pkt->cacheResponding();
160 std::unique_ptr pkt_data;
160 std::unique_ptr<uint8_t[]> pkt_data;
161 MemCheckerMonitorSenderState* state = NULL;
162
163 if (expects_response && is_write) {
164 // On receipt of a request, only need to allocate pkt_data if this is a
165 // write. For reads, we have no data yet, so it doesn't make sense to
166 // allocate.
167 pkt_data.reset(new uint8_t[size]);
168 memcpy(pkt_data.get(), pkt->getConstPtr<uint8_t*>(), size);
169 }
170
171 // If a cache miss is served by a cache, a monitor near the memory
172 // would see a request which needs a response, but this response
173 // would not come back from the memory. Therefore
174 // we additionally have to check the inhibit flag.
175 if (expects_response && (is_read || is_write)) {
176 state = new MemCheckerMonitorSenderState(0);
177 pkt->pushSenderState(state);
178 }
179
180 // Attempt to send the packet
181 bool successful = masterPort.sendTimingReq(pkt);
182
183 // If not successful, restore the sender state
184 if (!successful && expects_response && (is_read || is_write)) {
185 delete pkt->popSenderState();
186 }
187
188 if (successful && expects_response) {
189 if (is_read) {
190 MemChecker::Serial serial = memchecker->startRead(curTick(),
191 addr,
192 size);
193
194 // At the time where we push the sender-state, we do not yet know
195 // the serial the MemChecker class will assign to this request. We
196 // cannot call startRead at the time we push the sender-state, as
197 // the masterPort may not be successful in executing sendTimingReq,
198 // and in case of a failure, we must not modify the state of the
199 // MemChecker.
200 //
201 // Once we know that sendTimingReq was successful, we can set the
202 // serial of the newly constructed sender-state. This is legal, as
203 // we know that nobody else will touch nor is responsible for
204 // deletion of our sender-state.
205 state->serial = serial;
206
207 DPRINTF(MemCheckerMonitor,
208 "Forwarded read request: serial = %d, addr = %#llx, "
209 "size = %d\n",
210 serial, addr, size);
211 } else if (is_write) {
212 MemChecker::Serial serial = memchecker->startWrite(curTick(),
213 addr,
214 size,
215 pkt_data.get());
216
217 state->serial = serial;
218
219 DPRINTF(MemCheckerMonitor,
220 "Forwarded write request: serial = %d, addr = %#llx, "
221 "size = %d\n",
222 serial, addr, size);
223 } else {
224 DPRINTF(MemCheckerMonitor,
225 "Forwarded non read/write request: addr = %#llx\n", addr);
226 }
227 } else if (successful) {
228 DPRINTF(MemCheckerMonitor,
229 "Forwarded request marked for cache response: addr = %#llx\n",
230 addr);
231 }
232
233 return successful;
234}
235
236bool
237MemCheckerMonitor::recvTimingResp(PacketPtr pkt)
238{
239 // should always see responses
240 assert(pkt->isResponse());
241
242 // Store relevant fields of packet, because packet may be modified
243 // or even deleted when sendTiming() is called.
244 bool is_read = pkt->isRead() && !pkt->req->isPrefetch();
245 bool is_write = pkt->isWrite();
246 bool is_failed_LLSC = pkt->isLLSC() && pkt->req->getExtraData() == 0;
247 unsigned size = pkt->getSize();
248 Addr addr = pkt->getAddr();
161 MemCheckerMonitorSenderState* state = NULL;
162
163 if (expects_response && is_write) {
164 // On receipt of a request, only need to allocate pkt_data if this is a
165 // write. For reads, we have no data yet, so it doesn't make sense to
166 // allocate.
167 pkt_data.reset(new uint8_t[size]);
168 memcpy(pkt_data.get(), pkt->getConstPtr<uint8_t*>(), size);
169 }
170
171 // If a cache miss is served by a cache, a monitor near the memory
172 // would see a request which needs a response, but this response
173 // would not come back from the memory. Therefore
174 // we additionally have to check the inhibit flag.
175 if (expects_response && (is_read || is_write)) {
176 state = new MemCheckerMonitorSenderState(0);
177 pkt->pushSenderState(state);
178 }
179
180 // Attempt to send the packet
181 bool successful = masterPort.sendTimingReq(pkt);
182
183 // If not successful, restore the sender state
184 if (!successful && expects_response && (is_read || is_write)) {
185 delete pkt->popSenderState();
186 }
187
188 if (successful && expects_response) {
189 if (is_read) {
190 MemChecker::Serial serial = memchecker->startRead(curTick(),
191 addr,
192 size);
193
194 // At the time where we push the sender-state, we do not yet know
195 // the serial the MemChecker class will assign to this request. We
196 // cannot call startRead at the time we push the sender-state, as
197 // the masterPort may not be successful in executing sendTimingReq,
198 // and in case of a failure, we must not modify the state of the
199 // MemChecker.
200 //
201 // Once we know that sendTimingReq was successful, we can set the
202 // serial of the newly constructed sender-state. This is legal, as
203 // we know that nobody else will touch nor is responsible for
204 // deletion of our sender-state.
205 state->serial = serial;
206
207 DPRINTF(MemCheckerMonitor,
208 "Forwarded read request: serial = %d, addr = %#llx, "
209 "size = %d\n",
210 serial, addr, size);
211 } else if (is_write) {
212 MemChecker::Serial serial = memchecker->startWrite(curTick(),
213 addr,
214 size,
215 pkt_data.get());
216
217 state->serial = serial;
218
219 DPRINTF(MemCheckerMonitor,
220 "Forwarded write request: serial = %d, addr = %#llx, "
221 "size = %d\n",
222 serial, addr, size);
223 } else {
224 DPRINTF(MemCheckerMonitor,
225 "Forwarded non read/write request: addr = %#llx\n", addr);
226 }
227 } else if (successful) {
228 DPRINTF(MemCheckerMonitor,
229 "Forwarded request marked for cache response: addr = %#llx\n",
230 addr);
231 }
232
233 return successful;
234}
235
236bool
237MemCheckerMonitor::recvTimingResp(PacketPtr pkt)
238{
239 // should always see responses
240 assert(pkt->isResponse());
241
242 // Store relevant fields of packet, because packet may be modified
243 // or even deleted when sendTiming() is called.
244 bool is_read = pkt->isRead() && !pkt->req->isPrefetch();
245 bool is_write = pkt->isWrite();
246 bool is_failed_LLSC = pkt->isLLSC() && pkt->req->getExtraData() == 0;
247 unsigned size = pkt->getSize();
248 Addr addr = pkt->getAddr();
249 std::unique_ptr pkt_data;
249 std::unique_ptr<uint8_t[]> pkt_data;
250 MemCheckerMonitorSenderState* received_state = NULL;
251
252 if (is_read) {
253 // On receipt of a response, only need to allocate pkt_data if this is
254 // a read. For writes, we have already given the MemChecker the data on
255 // the request, so it doesn't make sense to allocate on write.
256 pkt_data.reset(new uint8_t[size]);
257 memcpy(pkt_data.get(), pkt->getConstPtr<uint8_t*>(), size);
258 }
259
260 if (is_read || is_write) {
261 received_state =
262 dynamic_cast<MemCheckerMonitorSenderState*>(pkt->senderState);
263
264 // Restore initial sender state
265 panic_if(received_state == NULL,
266 "Monitor got a response without monitor sender state\n");
267
268 // Restore the state
269 pkt->senderState = received_state->predecessor;
270 }
271
272 // Attempt to send the packet
273 bool successful = slavePort.sendTimingResp(pkt);
274
275 // If packet successfully send, complete transaction in MemChecker
276 // instance, and delete sender state, otherwise restore state.
277 if (successful) {
278 if (is_read) {
279 DPRINTF(MemCheckerMonitor,
280 "Received read response: serial = %d, addr = %#llx, "
281 "size = %d\n",
282 received_state->serial, addr, size);
283
284 bool result = memchecker->completeRead(received_state->serial,
285 curTick(),
286 addr,
287 size,
288 pkt_data.get());
289
290 if (!result) {
291 warn("%s: read of %#llx @ cycle %d failed:\n%s\n",
292 name(),
293 addr, curTick(),
294 memchecker->getErrorMessage().c_str());
295
296 panic_if(!warnOnly, "MemChecker violation!");
297 }
298
299 delete received_state;
300 } else if (is_write) {
301 DPRINTF(MemCheckerMonitor,
302 "Received write response: serial = %d, addr = %#llx, "
303 "size = %d\n",
304 received_state->serial, addr, size);
305
306 if (is_failed_LLSC) {
307 // The write was not successful, let MemChecker know.
308 memchecker->abortWrite(received_state->serial,
309 addr,
310 size);
311 } else {
312 memchecker->completeWrite(received_state->serial,
313 curTick(),
314 addr,
315 size);
316 }
317
318 delete received_state;
319 } else {
320 DPRINTF(MemCheckerMonitor,
321 "Received non read/write response: addr = %#llx\n", addr);
322 }
323 } else if (is_read || is_write) {
324 // Don't delete anything and let the packet look like we
325 // did not touch it
326 pkt->senderState = received_state;
327 }
328
329 return successful;
330}
331
332void
333MemCheckerMonitor::recvTimingSnoopReq(PacketPtr pkt)
334{
335 slavePort.sendTimingSnoopReq(pkt);
336}
337
338bool
339MemCheckerMonitor::recvTimingSnoopResp(PacketPtr pkt)
340{
341 return masterPort.sendTimingSnoopResp(pkt);
342}
343
344bool
345MemCheckerMonitor::isSnooping() const
346{
347 // check if the connected master port is snooping
348 return slavePort.isSnooping();
349}
350
351AddrRangeList
352MemCheckerMonitor::getAddrRanges() const
353{
354 // get the address ranges of the connected slave port
355 return masterPort.getAddrRanges();
356}
357
358void
359MemCheckerMonitor::recvReqRetry()
360{
361 slavePort.sendRetryReq();
362}
363
364void
365MemCheckerMonitor::recvRespRetry()
366{
367 masterPort.sendRetryResp();
368}
369
370void
371MemCheckerMonitor::recvRangeChange()
372{
373 slavePort.sendRangeChange();
374}
250 MemCheckerMonitorSenderState* received_state = NULL;
251
252 if (is_read) {
253 // On receipt of a response, only need to allocate pkt_data if this is
254 // a read. For writes, we have already given the MemChecker the data on
255 // the request, so it doesn't make sense to allocate on write.
256 pkt_data.reset(new uint8_t[size]);
257 memcpy(pkt_data.get(), pkt->getConstPtr<uint8_t*>(), size);
258 }
259
260 if (is_read || is_write) {
261 received_state =
262 dynamic_cast<MemCheckerMonitorSenderState*>(pkt->senderState);
263
264 // Restore initial sender state
265 panic_if(received_state == NULL,
266 "Monitor got a response without monitor sender state\n");
267
268 // Restore the state
269 pkt->senderState = received_state->predecessor;
270 }
271
272 // Attempt to send the packet
273 bool successful = slavePort.sendTimingResp(pkt);
274
275 // If packet successfully send, complete transaction in MemChecker
276 // instance, and delete sender state, otherwise restore state.
277 if (successful) {
278 if (is_read) {
279 DPRINTF(MemCheckerMonitor,
280 "Received read response: serial = %d, addr = %#llx, "
281 "size = %d\n",
282 received_state->serial, addr, size);
283
284 bool result = memchecker->completeRead(received_state->serial,
285 curTick(),
286 addr,
287 size,
288 pkt_data.get());
289
290 if (!result) {
291 warn("%s: read of %#llx @ cycle %d failed:\n%s\n",
292 name(),
293 addr, curTick(),
294 memchecker->getErrorMessage().c_str());
295
296 panic_if(!warnOnly, "MemChecker violation!");
297 }
298
299 delete received_state;
300 } else if (is_write) {
301 DPRINTF(MemCheckerMonitor,
302 "Received write response: serial = %d, addr = %#llx, "
303 "size = %d\n",
304 received_state->serial, addr, size);
305
306 if (is_failed_LLSC) {
307 // The write was not successful, let MemChecker know.
308 memchecker->abortWrite(received_state->serial,
309 addr,
310 size);
311 } else {
312 memchecker->completeWrite(received_state->serial,
313 curTick(),
314 addr,
315 size);
316 }
317
318 delete received_state;
319 } else {
320 DPRINTF(MemCheckerMonitor,
321 "Received non read/write response: addr = %#llx\n", addr);
322 }
323 } else if (is_read || is_write) {
324 // Don't delete anything and let the packet look like we
325 // did not touch it
326 pkt->senderState = received_state;
327 }
328
329 return successful;
330}
331
332void
333MemCheckerMonitor::recvTimingSnoopReq(PacketPtr pkt)
334{
335 slavePort.sendTimingSnoopReq(pkt);
336}
337
338bool
339MemCheckerMonitor::recvTimingSnoopResp(PacketPtr pkt)
340{
341 return masterPort.sendTimingSnoopResp(pkt);
342}
343
344bool
345MemCheckerMonitor::isSnooping() const
346{
347 // check if the connected master port is snooping
348 return slavePort.isSnooping();
349}
350
351AddrRangeList
352MemCheckerMonitor::getAddrRanges() const
353{
354 // get the address ranges of the connected slave port
355 return masterPort.getAddrRanges();
356}
357
358void
359MemCheckerMonitor::recvReqRetry()
360{
361 slavePort.sendRetryReq();
362}
363
364void
365MemCheckerMonitor::recvRespRetry()
366{
367 masterPort.sendRetryResp();
368}
369
370void
371MemCheckerMonitor::recvRangeChange()
372{
373 slavePort.sendRangeChange();
374}