1/*
2 * Copyright (c) 2003-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#include <errno.h>
32#include <fcntl.h>
33#include <unistd.h>
34
35#include <fstream>
36#include <string>
37
38#include "arch/vtophys.hh"
39#include "base/annotate.hh"
40#include "cpu/base.hh"
41#include "cpu/thread_context.hh"
42#include "cpu/quiesce_event.hh"
43#include "arch/kernel_stats.hh"
44#include "sim/pseudo_inst.hh"
45#include "sim/serialize.hh"
46#include "sim/sim_exit.hh"
47#include "sim/stat_control.hh"
48#include "sim/stats.hh"
49#include "sim/system.hh"
50#include "sim/debug.hh"
51#include "sim/vptr.hh"
52
53using namespace std;
54
55using namespace Stats;
56using namespace TheISA;
57
| 1/*
2 * Copyright (c) 2003-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#include <errno.h>
32#include <fcntl.h>
33#include <unistd.h>
34
35#include <fstream>
36#include <string>
37
38#include "arch/vtophys.hh"
39#include "base/annotate.hh"
40#include "cpu/base.hh"
41#include "cpu/thread_context.hh"
42#include "cpu/quiesce_event.hh"
43#include "arch/kernel_stats.hh"
44#include "sim/pseudo_inst.hh"
45#include "sim/serialize.hh"
46#include "sim/sim_exit.hh"
47#include "sim/stat_control.hh"
48#include "sim/stats.hh"
49#include "sim/system.hh"
50#include "sim/debug.hh"
51#include "sim/vptr.hh"
52
53using namespace std;
54
55using namespace Stats;
56using namespace TheISA;
57
|
59{
60 void
61 arm(ThreadContext *tc)
62 {
63 if (tc->getKernelStats())
64 tc->getKernelStats()->arm();
65 }
66
67 void
68 quiesce(ThreadContext *tc)
69 {
70 if (!tc->getCpuPtr()->params->do_quiesce)
71 return;
72
73 DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
74
75 tc->suspend();
76 if (tc->getKernelStats())
77 tc->getKernelStats()->quiesce();
78 }
79
80 void
81 quiesceNs(ThreadContext *tc, uint64_t ns)
82 {
83 if (!tc->getCpuPtr()->params->do_quiesce || ns == 0)
84 return;
85
86 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
87
88 Tick resume = curTick + Clock::Int::ns * ns;
89
90 if (quiesceEvent->scheduled())
91 quiesceEvent->reschedule(resume);
92 else
93 quiesceEvent->schedule(resume);
94
95 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
96 tc->getCpuPtr()->name(), ns, resume);
97
98 tc->suspend();
99 if (tc->getKernelStats())
100 tc->getKernelStats()->quiesce();
101 }
102
103 void
104 quiesceCycles(ThreadContext *tc, uint64_t cycles)
105 {
106 if (!tc->getCpuPtr()->params->do_quiesce || cycles == 0)
107 return;
108
109 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
110
111 Tick resume = curTick + tc->getCpuPtr()->cycles(cycles);
112
113 if (quiesceEvent->scheduled())
114 quiesceEvent->reschedule(resume);
115 else
116 quiesceEvent->schedule(resume);
117
118 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
119 tc->getCpuPtr()->name(), cycles, resume);
120
121 tc->suspend();
122 if (tc->getKernelStats())
123 tc->getKernelStats()->quiesce();
124 }
125
126 uint64_t
127 quiesceTime(ThreadContext *tc)
128 {
129 return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
130 }
131
132 void
133 m5exit_old(ThreadContext *tc)
134 {
135 exitSimLoop("m5_exit_old instruction encountered");
136 }
137
138 void
139 m5exit(ThreadContext *tc, Tick delay)
140 {
141 Tick when = curTick + delay * Clock::Int::ns;
142 schedExitSimLoop("m5_exit instruction encountered", when);
143 }
144
145 void
146 loadsymbol(ThreadContext *tc)
147 {
148 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
149 if (filename.empty()) {
150 return;
151 }
152
153 std::string buffer;
154 ifstream file(filename.c_str());
155
156 if (!file)
157 fatal("file error: Can't open symbol table file %s\n", filename);
158
159 while (!file.eof()) {
160 getline(file, buffer);
161
162 if (buffer.empty())
163 continue;
164
165 int idx = buffer.find(' ');
166 if (idx == string::npos)
167 continue;
168
169 string address = "0x" + buffer.substr(0, idx);
170 eat_white(address);
171 if (address.empty())
172 continue;
173
174 // Skip over letter and space
175 string symbol = buffer.substr(idx + 3);
176 eat_white(symbol);
177 if (symbol.empty())
178 continue;
179
180 Addr addr;
181 if (!to_number(address, addr))
182 continue;
183
184 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
185 continue;
186
187
188 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
189 }
190 file.close();
191 }
192
193 void
194 resetstats(ThreadContext *tc, Tick delay, Tick period)
195 {
196 if (!tc->getCpuPtr()->params->do_statistics_insts)
197 return;
198
199
200 Tick when = curTick + delay * Clock::Int::ns;
201 Tick repeat = period * Clock::Int::ns;
202
203 Stats::StatEvent(false, true, when, repeat);
204 }
205
206 void
207 dumpstats(ThreadContext *tc, Tick delay, Tick period)
208 {
209 if (!tc->getCpuPtr()->params->do_statistics_insts)
210 return;
211
212
213 Tick when = curTick + delay * Clock::Int::ns;
214 Tick repeat = period * Clock::Int::ns;
215
216 Stats::StatEvent(true, false, when, repeat);
217 }
218
219 void
220 addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
221 {
222 char symb[100];
223 CopyStringOut(tc, symb, symbolAddr, 100);
224 std::string symbol(symb);
225
226 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
227
228 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
229 }
230
231 void
232 anBegin(ThreadContext *tc, uint64_t cur)
233 {
234 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
235 0xFFFFFFFF, 0,0);
236 }
237
238 void
239 anWait(ThreadContext *tc, uint64_t cur, uint64_t wait)
240 {
241 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
242 0xFFFFFFFF, wait >> 32, wait & 0xFFFFFFFF);
243 }
244
245
246 void
247 dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
248 {
249 if (!tc->getCpuPtr()->params->do_statistics_insts)
250 return;
251
252
253 Tick when = curTick + delay * Clock::Int::ns;
254 Tick repeat = period * Clock::Int::ns;
255
256 Stats::StatEvent(true, true, when, repeat);
257 }
258
259 void
260 m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
261 {
262 if (!tc->getCpuPtr()->params->do_checkpoint_insts)
263 return;
264
265 Tick when = curTick + delay * Clock::Int::ns;
266 Tick repeat = period * Clock::Int::ns;
267
268 schedExitSimLoop("checkpoint", when, repeat);
269 }
270
271 uint64_t
272 readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
273 {
274 const string &file = tc->getSystemPtr()->params()->readfile;
275 if (file.empty()) {
276 return ULL(0);
277 }
278
279 uint64_t result = 0;
280
281 int fd = ::open(file.c_str(), O_RDONLY, 0);
282 if (fd < 0)
283 panic("could not open file %s\n", file);
284
285 if (::lseek(fd, offset, SEEK_SET) < 0)
286 panic("could not seek: %s", strerror(errno));
287
288 char *buf = new char[len];
289 char *p = buf;
290 while (len > 0) {
291 int bytes = ::read(fd, p, len);
292 if (bytes <= 0)
293 break;
294
295 p += bytes;
296 result += bytes;
297 len -= bytes;
298 }
299
300 close(fd);
301 CopyIn(tc, vaddr, buf, result);
302 delete [] buf;
303 return result;
304 }
305
306 void debugbreak(ThreadContext *tc)
307 {
308 debug_break();
309 }
310
311 void switchcpu(ThreadContext *tc)
312 {
313 exitSimLoop("switchcpu");
314 }
315}
| 59{
60 void
61 arm(ThreadContext *tc)
62 {
63 if (tc->getKernelStats())
64 tc->getKernelStats()->arm();
65 }
66
67 void
68 quiesce(ThreadContext *tc)
69 {
70 if (!tc->getCpuPtr()->params->do_quiesce)
71 return;
72
73 DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
74
75 tc->suspend();
76 if (tc->getKernelStats())
77 tc->getKernelStats()->quiesce();
78 }
79
80 void
81 quiesceNs(ThreadContext *tc, uint64_t ns)
82 {
83 if (!tc->getCpuPtr()->params->do_quiesce || ns == 0)
84 return;
85
86 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
87
88 Tick resume = curTick + Clock::Int::ns * ns;
89
90 if (quiesceEvent->scheduled())
91 quiesceEvent->reschedule(resume);
92 else
93 quiesceEvent->schedule(resume);
94
95 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
96 tc->getCpuPtr()->name(), ns, resume);
97
98 tc->suspend();
99 if (tc->getKernelStats())
100 tc->getKernelStats()->quiesce();
101 }
102
103 void
104 quiesceCycles(ThreadContext *tc, uint64_t cycles)
105 {
106 if (!tc->getCpuPtr()->params->do_quiesce || cycles == 0)
107 return;
108
109 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
110
111 Tick resume = curTick + tc->getCpuPtr()->cycles(cycles);
112
113 if (quiesceEvent->scheduled())
114 quiesceEvent->reschedule(resume);
115 else
116 quiesceEvent->schedule(resume);
117
118 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
119 tc->getCpuPtr()->name(), cycles, resume);
120
121 tc->suspend();
122 if (tc->getKernelStats())
123 tc->getKernelStats()->quiesce();
124 }
125
126 uint64_t
127 quiesceTime(ThreadContext *tc)
128 {
129 return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
130 }
131
132 void
133 m5exit_old(ThreadContext *tc)
134 {
135 exitSimLoop("m5_exit_old instruction encountered");
136 }
137
138 void
139 m5exit(ThreadContext *tc, Tick delay)
140 {
141 Tick when = curTick + delay * Clock::Int::ns;
142 schedExitSimLoop("m5_exit instruction encountered", when);
143 }
144
145 void
146 loadsymbol(ThreadContext *tc)
147 {
148 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
149 if (filename.empty()) {
150 return;
151 }
152
153 std::string buffer;
154 ifstream file(filename.c_str());
155
156 if (!file)
157 fatal("file error: Can't open symbol table file %s\n", filename);
158
159 while (!file.eof()) {
160 getline(file, buffer);
161
162 if (buffer.empty())
163 continue;
164
165 int idx = buffer.find(' ');
166 if (idx == string::npos)
167 continue;
168
169 string address = "0x" + buffer.substr(0, idx);
170 eat_white(address);
171 if (address.empty())
172 continue;
173
174 // Skip over letter and space
175 string symbol = buffer.substr(idx + 3);
176 eat_white(symbol);
177 if (symbol.empty())
178 continue;
179
180 Addr addr;
181 if (!to_number(address, addr))
182 continue;
183
184 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
185 continue;
186
187
188 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
189 }
190 file.close();
191 }
192
193 void
194 resetstats(ThreadContext *tc, Tick delay, Tick period)
195 {
196 if (!tc->getCpuPtr()->params->do_statistics_insts)
197 return;
198
199
200 Tick when = curTick + delay * Clock::Int::ns;
201 Tick repeat = period * Clock::Int::ns;
202
203 Stats::StatEvent(false, true, when, repeat);
204 }
205
206 void
207 dumpstats(ThreadContext *tc, Tick delay, Tick period)
208 {
209 if (!tc->getCpuPtr()->params->do_statistics_insts)
210 return;
211
212
213 Tick when = curTick + delay * Clock::Int::ns;
214 Tick repeat = period * Clock::Int::ns;
215
216 Stats::StatEvent(true, false, when, repeat);
217 }
218
219 void
220 addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
221 {
222 char symb[100];
223 CopyStringOut(tc, symb, symbolAddr, 100);
224 std::string symbol(symb);
225
226 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
227
228 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
229 }
230
231 void
232 anBegin(ThreadContext *tc, uint64_t cur)
233 {
234 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
235 0xFFFFFFFF, 0,0);
236 }
237
238 void
239 anWait(ThreadContext *tc, uint64_t cur, uint64_t wait)
240 {
241 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
242 0xFFFFFFFF, wait >> 32, wait & 0xFFFFFFFF);
243 }
244
245
246 void
247 dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
248 {
249 if (!tc->getCpuPtr()->params->do_statistics_insts)
250 return;
251
252
253 Tick when = curTick + delay * Clock::Int::ns;
254 Tick repeat = period * Clock::Int::ns;
255
256 Stats::StatEvent(true, true, when, repeat);
257 }
258
259 void
260 m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
261 {
262 if (!tc->getCpuPtr()->params->do_checkpoint_insts)
263 return;
264
265 Tick when = curTick + delay * Clock::Int::ns;
266 Tick repeat = period * Clock::Int::ns;
267
268 schedExitSimLoop("checkpoint", when, repeat);
269 }
270
271 uint64_t
272 readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
273 {
274 const string &file = tc->getSystemPtr()->params()->readfile;
275 if (file.empty()) {
276 return ULL(0);
277 }
278
279 uint64_t result = 0;
280
281 int fd = ::open(file.c_str(), O_RDONLY, 0);
282 if (fd < 0)
283 panic("could not open file %s\n", file);
284
285 if (::lseek(fd, offset, SEEK_SET) < 0)
286 panic("could not seek: %s", strerror(errno));
287
288 char *buf = new char[len];
289 char *p = buf;
290 while (len > 0) {
291 int bytes = ::read(fd, p, len);
292 if (bytes <= 0)
293 break;
294
295 p += bytes;
296 result += bytes;
297 len -= bytes;
298 }
299
300 close(fd);
301 CopyIn(tc, vaddr, buf, result);
302 delete [] buf;
303 return result;
304 }
305
306 void debugbreak(ThreadContext *tc)
307 {
308 debug_break();
309 }
310
311 void switchcpu(ThreadContext *tc)
312 {
313 exitSimLoop("switchcpu");
314 }
315}
|