pseudo_inst.cc (5504:288b54c2fd8d) pseudo_inst.cc (5505:90d6811d5ea6)
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
58namespace PseudoInst {
59
60void
61arm(ThreadContext *tc)
62{
63 if (tc->getKernelStats())
64 tc->getKernelStats()->arm();
65}
66
67void
68quiesce(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
80void
81quiesceNs(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 quiesceEvent->reschedule(resume, true);
91
92 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
93 tc->getCpuPtr()->name(), ns, resume);
94
95 tc->suspend();
96 if (tc->getKernelStats())
97 tc->getKernelStats()->quiesce();
98}
99
100void
101quiesceCycles(ThreadContext *tc, uint64_t cycles)
102{
103 if (!tc->getCpuPtr()->params->do_quiesce || cycles == 0)
104 return;
105
106 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
107
108 Tick resume = curTick + tc->getCpuPtr()->ticks(cycles);
109
110 quiesceEvent->reschedule(resume, true);
111
112 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
113 tc->getCpuPtr()->name(), cycles, resume);
114
115 tc->suspend();
116 if (tc->getKernelStats())
117 tc->getKernelStats()->quiesce();
118}
119
120uint64_t
121quiesceTime(ThreadContext *tc)
122{
123 return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
124}
125
126void
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
58namespace PseudoInst {
59
60void
61arm(ThreadContext *tc)
62{
63 if (tc->getKernelStats())
64 tc->getKernelStats()->arm();
65}
66
67void
68quiesce(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
80void
81quiesceNs(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 quiesceEvent->reschedule(resume, true);
91
92 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
93 tc->getCpuPtr()->name(), ns, resume);
94
95 tc->suspend();
96 if (tc->getKernelStats())
97 tc->getKernelStats()->quiesce();
98}
99
100void
101quiesceCycles(ThreadContext *tc, uint64_t cycles)
102{
103 if (!tc->getCpuPtr()->params->do_quiesce || cycles == 0)
104 return;
105
106 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
107
108 Tick resume = curTick + tc->getCpuPtr()->ticks(cycles);
109
110 quiesceEvent->reschedule(resume, true);
111
112 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
113 tc->getCpuPtr()->name(), cycles, resume);
114
115 tc->suspend();
116 if (tc->getKernelStats())
117 tc->getKernelStats()->quiesce();
118}
119
120uint64_t
121quiesceTime(ThreadContext *tc)
122{
123 return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
124}
125
126void
127m5exit_old(ThreadContext *tc)
128{
129 exitSimLoop("m5_exit_old instruction encountered");
130}
131
132void
133m5exit(ThreadContext *tc, Tick delay)
134{
135 Tick when = curTick + delay * Clock::Int::ns;
136 schedExitSimLoop("m5_exit instruction encountered", when);
137}
138
139void
140loadsymbol(ThreadContext *tc)
141{
142 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
143 if (filename.empty()) {
144 return;
145 }
146
147 std::string buffer;
148 ifstream file(filename.c_str());
149
150 if (!file)
151 fatal("file error: Can't open symbol table file %s\n", filename);
152
153 while (!file.eof()) {
154 getline(file, buffer);
155
156 if (buffer.empty())
157 continue;
158
159 int idx = buffer.find(' ');
160 if (idx == string::npos)
161 continue;
162
163 string address = "0x" + buffer.substr(0, idx);
164 eat_white(address);
165 if (address.empty())
166 continue;
167
168 // Skip over letter and space
169 string symbol = buffer.substr(idx + 3);
170 eat_white(symbol);
171 if (symbol.empty())
172 continue;
173
174 Addr addr;
175 if (!to_number(address, addr))
176 continue;
177
178 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
179 continue;
180
181
182 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
183 }
184 file.close();
185}
186
187void
188resetstats(ThreadContext *tc, Tick delay, Tick period)
189{
190 if (!tc->getCpuPtr()->params->do_statistics_insts)
191 return;
192
193
194 Tick when = curTick + delay * Clock::Int::ns;
195 Tick repeat = period * Clock::Int::ns;
196
197 Stats::StatEvent(false, true, when, repeat);
198}
199
200void
201dumpstats(ThreadContext *tc, Tick delay, Tick period)
202{
203 if (!tc->getCpuPtr()->params->do_statistics_insts)
204 return;
205
206
207 Tick when = curTick + delay * Clock::Int::ns;
208 Tick repeat = period * Clock::Int::ns;
209
210 Stats::StatEvent(true, false, when, repeat);
211}
212
213void
214addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
215{
216 char symb[100];
217 CopyStringOut(tc, symb, symbolAddr, 100);
218 std::string symbol(symb);
219
220 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
221
222 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
223}
224
225void
127m5exit(ThreadContext *tc, Tick delay)
128{
129 Tick when = curTick + delay * Clock::Int::ns;
130 schedExitSimLoop("m5_exit instruction encountered", when);
131}
132
133void
134loadsymbol(ThreadContext *tc)
135{
136 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
137 if (filename.empty()) {
138 return;
139 }
140
141 std::string buffer;
142 ifstream file(filename.c_str());
143
144 if (!file)
145 fatal("file error: Can't open symbol table file %s\n", filename);
146
147 while (!file.eof()) {
148 getline(file, buffer);
149
150 if (buffer.empty())
151 continue;
152
153 int idx = buffer.find(' ');
154 if (idx == string::npos)
155 continue;
156
157 string address = "0x" + buffer.substr(0, idx);
158 eat_white(address);
159 if (address.empty())
160 continue;
161
162 // Skip over letter and space
163 string symbol = buffer.substr(idx + 3);
164 eat_white(symbol);
165 if (symbol.empty())
166 continue;
167
168 Addr addr;
169 if (!to_number(address, addr))
170 continue;
171
172 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
173 continue;
174
175
176 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
177 }
178 file.close();
179}
180
181void
182resetstats(ThreadContext *tc, Tick delay, Tick period)
183{
184 if (!tc->getCpuPtr()->params->do_statistics_insts)
185 return;
186
187
188 Tick when = curTick + delay * Clock::Int::ns;
189 Tick repeat = period * Clock::Int::ns;
190
191 Stats::StatEvent(false, true, when, repeat);
192}
193
194void
195dumpstats(ThreadContext *tc, Tick delay, Tick period)
196{
197 if (!tc->getCpuPtr()->params->do_statistics_insts)
198 return;
199
200
201 Tick when = curTick + delay * Clock::Int::ns;
202 Tick repeat = period * Clock::Int::ns;
203
204 Stats::StatEvent(true, false, when, repeat);
205}
206
207void
208addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
209{
210 char symb[100];
211 CopyStringOut(tc, symb, symbolAddr, 100);
212 std::string symbol(symb);
213
214 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
215
216 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
217}
218
219void
226anBegin(ThreadContext *tc, uint64_t cur)
227{
228 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
229 0xFFFFFFFF, 0,0);
230}
231
232void
233anWait(ThreadContext *tc, uint64_t cur, uint64_t wait)
234{
235 Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
236 0xFFFFFFFF, wait >> 32, wait & 0xFFFFFFFF);
237}
238
239
240void
241dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
242{
243 if (!tc->getCpuPtr()->params->do_statistics_insts)
244 return;
245
246
247 Tick when = curTick + delay * Clock::Int::ns;
248 Tick repeat = period * Clock::Int::ns;
249
250 Stats::StatEvent(true, true, when, repeat);
251}
252
253void
254m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
255{
256 if (!tc->getCpuPtr()->params->do_checkpoint_insts)
257 return;
258
259 Tick when = curTick + delay * Clock::Int::ns;
260 Tick repeat = period * Clock::Int::ns;
261
262 schedExitSimLoop("checkpoint", when, repeat);
263}
264
265uint64_t
266readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
267{
268 const string &file = tc->getSystemPtr()->params()->readfile;
269 if (file.empty()) {
270 return ULL(0);
271 }
272
273 uint64_t result = 0;
274
275 int fd = ::open(file.c_str(), O_RDONLY, 0);
276 if (fd < 0)
277 panic("could not open file %s\n", file);
278
279 if (::lseek(fd, offset, SEEK_SET) < 0)
280 panic("could not seek: %s", strerror(errno));
281
282 char *buf = new char[len];
283 char *p = buf;
284 while (len > 0) {
285 int bytes = ::read(fd, p, len);
286 if (bytes <= 0)
287 break;
288
289 p += bytes;
290 result += bytes;
291 len -= bytes;
292 }
293
294 close(fd);
295 CopyIn(tc, vaddr, buf, result);
296 delete [] buf;
297 return result;
298}
299
300void
301debugbreak(ThreadContext *tc)
302{
303 debug_break();
304}
305
306void
307switchcpu(ThreadContext *tc)
308{
309 exitSimLoop("switchcpu");
310}
311
312/* namespace PseudoInst */ }
220dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
221{
222 if (!tc->getCpuPtr()->params->do_statistics_insts)
223 return;
224
225
226 Tick when = curTick + delay * Clock::Int::ns;
227 Tick repeat = period * Clock::Int::ns;
228
229 Stats::StatEvent(true, true, when, repeat);
230}
231
232void
233m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
234{
235 if (!tc->getCpuPtr()->params->do_checkpoint_insts)
236 return;
237
238 Tick when = curTick + delay * Clock::Int::ns;
239 Tick repeat = period * Clock::Int::ns;
240
241 schedExitSimLoop("checkpoint", when, repeat);
242}
243
244uint64_t
245readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
246{
247 const string &file = tc->getSystemPtr()->params()->readfile;
248 if (file.empty()) {
249 return ULL(0);
250 }
251
252 uint64_t result = 0;
253
254 int fd = ::open(file.c_str(), O_RDONLY, 0);
255 if (fd < 0)
256 panic("could not open file %s\n", file);
257
258 if (::lseek(fd, offset, SEEK_SET) < 0)
259 panic("could not seek: %s", strerror(errno));
260
261 char *buf = new char[len];
262 char *p = buf;
263 while (len > 0) {
264 int bytes = ::read(fd, p, len);
265 if (bytes <= 0)
266 break;
267
268 p += bytes;
269 result += bytes;
270 len -= bytes;
271 }
272
273 close(fd);
274 CopyIn(tc, vaddr, buf, result);
275 delete [] buf;
276 return result;
277}
278
279void
280debugbreak(ThreadContext *tc)
281{
282 debug_break();
283}
284
285void
286switchcpu(ThreadContext *tc)
287{
288 exitSimLoop("switchcpu");
289}
290
291/* namespace PseudoInst */ }