pseudo_inst.cc (8777:dd43f1c9fa0a) pseudo_inst.cc (8784:05fb20d7064b)
1/*
2 * Copyright (c) 2010 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

--- 46 unchanged lines hidden (view full) ---

55#include "config/the_isa.hh"
56#include "cpu/base.hh"
57#include "cpu/quiesce_event.hh"
58#include "cpu/thread_context.hh"
59#include "debug/Loader.hh"
60#include "debug/Quiesce.hh"
61#include "debug/WorkItems.hh"
62#include "params/BaseCPU.hh"
1/*
2 * Copyright (c) 2010 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

--- 46 unchanged lines hidden (view full) ---

55#include "config/the_isa.hh"
56#include "cpu/base.hh"
57#include "cpu/quiesce_event.hh"
58#include "cpu/thread_context.hh"
59#include "debug/Loader.hh"
60#include "debug/Quiesce.hh"
61#include "debug/WorkItems.hh"
62#include "params/BaseCPU.hh"
63#include "sim/full_system.hh"
63#include "sim/pseudo_inst.hh"
64#include "sim/serialize.hh"
65#include "sim/sim_events.hh"
66#include "sim/sim_exit.hh"
67#include "sim/stat_control.hh"
68#include "sim/stats.hh"
69#include "sim/system.hh"
70#include "sim/vptr.hh"
71
72using namespace std;
73
74using namespace Stats;
75using namespace TheISA;
76
77namespace PseudoInst {
78
64#include "sim/pseudo_inst.hh"
65#include "sim/serialize.hh"
66#include "sim/sim_events.hh"
67#include "sim/sim_exit.hh"
68#include "sim/stat_control.hh"
69#include "sim/stats.hh"
70#include "sim/system.hh"
71#include "sim/vptr.hh"
72
73using namespace std;
74
75using namespace Stats;
76using namespace TheISA;
77
78namespace PseudoInst {
79
79#if FULL_SYSTEM
80static inline void
81panicFsOnlyPseudoInst(const char *name)
82{
83 panic("Pseudo inst \"%s\" is only available in Full System mode.");
84}
80
81void
82arm(ThreadContext *tc)
83{
85
86void
87arm(ThreadContext *tc)
88{
84 if (tc->getKernelStats())
85 tc->getKernelStats()->arm();
89 if (FullSystem) {
90 if (tc->getKernelStats())
91 tc->getKernelStats()->arm();
92 } else {
93 panicFsOnlyPseudoInst("arm");
94 }
86}
87
88void
89quiesce(ThreadContext *tc)
90{
95}
96
97void
98quiesce(ThreadContext *tc)
99{
91 if (!tc->getCpuPtr()->params()->do_quiesce)
92 return;
100 if (FullSystem) {
101 if (!tc->getCpuPtr()->params()->do_quiesce)
102 return;
93
103
94 DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
104 DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
95
105
96 tc->suspend();
97 if (tc->getKernelStats())
98 tc->getKernelStats()->quiesce();
106 tc->suspend();
107 if (tc->getKernelStats())
108 tc->getKernelStats()->quiesce();
109 } else {
110 panicFsOnlyPseudoInst("quiesce");
111 }
99}
100
101void
102quiesceSkip(ThreadContext *tc)
103{
112}
113
114void
115quiesceSkip(ThreadContext *tc)
116{
104 BaseCPU *cpu = tc->getCpuPtr();
117 if (FullSystem) {
118 BaseCPU *cpu = tc->getCpuPtr();
105
119
106 if (!cpu->params()->do_quiesce)
107 return;
120 if (!cpu->params()->do_quiesce)
121 return;
108
122
109 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
123 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
110
124
111 Tick resume = curTick() + 1;
125 Tick resume = curTick() + 1;
112
126
113 cpu->reschedule(quiesceEvent, resume, true);
127 cpu->reschedule(quiesceEvent, resume, true);
114
128
115 DPRINTF(Quiesce, "%s: quiesceSkip() until %d\n",
116 cpu->name(), resume);
129 DPRINTF(Quiesce, "%s: quiesceSkip() until %d\n",
130 cpu->name(), resume);
117
131
118 tc->suspend();
119 if (tc->getKernelStats())
120 tc->getKernelStats()->quiesce();
132 tc->suspend();
133 if (tc->getKernelStats())
134 tc->getKernelStats()->quiesce();
135 } else {
136 panicFsOnlyPseudoInst("quiesceSkip");
137 }
121}
122
123void
124quiesceNs(ThreadContext *tc, uint64_t ns)
125{
138}
139
140void
141quiesceNs(ThreadContext *tc, uint64_t ns)
142{
126 BaseCPU *cpu = tc->getCpuPtr();
143 if (FullSystem) {
144 BaseCPU *cpu = tc->getCpuPtr();
127
145
128 if (!cpu->params()->do_quiesce || ns == 0)
129 return;
146 if (!cpu->params()->do_quiesce || ns == 0)
147 return;
130
148
131 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
149 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
132
150
133 Tick resume = curTick() + SimClock::Int::ns * ns;
151 Tick resume = curTick() + SimClock::Int::ns * ns;
134
152
135 cpu->reschedule(quiesceEvent, resume, true);
153 cpu->reschedule(quiesceEvent, resume, true);
136
154
137 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
138 cpu->name(), ns, resume);
155 DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
156 cpu->name(), ns, resume);
139
157
140 tc->suspend();
141 if (tc->getKernelStats())
142 tc->getKernelStats()->quiesce();
158 tc->suspend();
159 if (tc->getKernelStats())
160 tc->getKernelStats()->quiesce();
161 } else {
162 panicFsOnlyPseudoInst("quiesceNs");
163 }
143}
144
145void
146quiesceCycles(ThreadContext *tc, uint64_t cycles)
147{
164}
165
166void
167quiesceCycles(ThreadContext *tc, uint64_t cycles)
168{
148 BaseCPU *cpu = tc->getCpuPtr();
169 if (FullSystem) {
170 BaseCPU *cpu = tc->getCpuPtr();
149
171
150 if (!cpu->params()->do_quiesce || cycles == 0)
151 return;
172 if (!cpu->params()->do_quiesce || cycles == 0)
173 return;
152
174
153 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
175 EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
154
176
155 Tick resume = curTick() + cpu->ticks(cycles);
177 Tick resume = curTick() + cpu->ticks(cycles);
156
178
157 cpu->reschedule(quiesceEvent, resume, true);
179 cpu->reschedule(quiesceEvent, resume, true);
158
180
159 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
160 cpu->name(), cycles, resume);
181 DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
182 cpu->name(), cycles, resume);
161
183
162 tc->suspend();
163 if (tc->getKernelStats())
164 tc->getKernelStats()->quiesce();
184 tc->suspend();
185 if (tc->getKernelStats())
186 tc->getKernelStats()->quiesce();
187 } else {
188 panicFsOnlyPseudoInst("quiesceCycles");
189 }
165}
166
167uint64_t
168quiesceTime(ThreadContext *tc)
169{
190}
191
192uint64_t
193quiesceTime(ThreadContext *tc)
194{
170 return (tc->readLastActivate() - tc->readLastSuspend()) /
171 SimClock::Int::ns;
195 if (FullSystem) {
196 return (tc->readLastActivate() - tc->readLastSuspend()) /
197 SimClock::Int::ns;
198 } else {
199 panicFsOnlyPseudoInst("quiesceTime");
200 return 0;
201 }
172}
173
202}
203
174#endif
175
176uint64_t
177rpns(ThreadContext *tc)
178{
179 return curTick() / SimClock::Int::ns;
180}
181
182void
183wakeCPU(ThreadContext *tc, uint64_t cpuid)

--- 6 unchanged lines hidden (view full) ---

190
191void
192m5exit(ThreadContext *tc, Tick delay)
193{
194 Tick when = curTick() + delay * SimClock::Int::ns;
195 exitSimLoop("m5_exit instruction encountered", 0, when);
196}
197
204uint64_t
205rpns(ThreadContext *tc)
206{
207 return curTick() / SimClock::Int::ns;
208}
209
210void
211wakeCPU(ThreadContext *tc, uint64_t cpuid)

--- 6 unchanged lines hidden (view full) ---

218
219void
220m5exit(ThreadContext *tc, Tick delay)
221{
222 Tick when = curTick() + delay * SimClock::Int::ns;
223 exitSimLoop("m5_exit instruction encountered", 0, when);
224}
225
198#if FULL_SYSTEM
199
200void
201loadsymbol(ThreadContext *tc)
202{
226void
227loadsymbol(ThreadContext *tc)
228{
203 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
204 if (filename.empty()) {
205 return;
206 }
229 if (FullSystem) {
230 const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
231 if (filename.empty()) {
232 return;
233 }
207
234
208 std::string buffer;
209 ifstream file(filename.c_str());
235 std::string buffer;
236 ifstream file(filename.c_str());
210
237
211 if (!file)
212 fatal("file error: Can't open symbol table file %s\n", filename);
238 if (!file)
239 fatal("file error: Can't open symbol table file %s\n", filename);
213
240
214 while (!file.eof()) {
215 getline(file, buffer);
241 while (!file.eof()) {
242 getline(file, buffer);
216
243
217 if (buffer.empty())
218 continue;
244 if (buffer.empty())
245 continue;
219
246
220 string::size_type idx = buffer.find(' ');
221 if (idx == string::npos)
222 continue;
247 string::size_type idx = buffer.find(' ');
248 if (idx == string::npos)
249 continue;
223
250
224 string address = "0x" + buffer.substr(0, idx);
225 eat_white(address);
226 if (address.empty())
227 continue;
251 string address = "0x" + buffer.substr(0, idx);
252 eat_white(address);
253 if (address.empty())
254 continue;
228
255
229 // Skip over letter and space
230 string symbol = buffer.substr(idx + 3);
231 eat_white(symbol);
232 if (symbol.empty())
233 continue;
256 // Skip over letter and space
257 string symbol = buffer.substr(idx + 3);
258 eat_white(symbol);
259 if (symbol.empty())
260 continue;
234
261
235 Addr addr;
236 if (!to_number(address, addr))
237 continue;
262 Addr addr;
263 if (!to_number(address, addr))
264 continue;
238
265
239 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
240 continue;
266 if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
267 continue;
241
242
268
269
243 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
270 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
271 }
272 file.close();
273 } else {
274 panicFsOnlyPseudoInst("loadsymbol");
244 }
275 }
245 file.close();
246}
247
248void
249addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
250{
276}
277
278void
279addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
280{
251 char symb[100];
252 CopyStringOut(tc, symb, symbolAddr, 100);
253 std::string symbol(symb);
281 if (FullSystem) {
282 char symb[100];
283 CopyStringOut(tc, symb, symbolAddr, 100);
284 std::string symbol(symb);
254
285
255 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
286 DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
256
287
257 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
258 debugSymbolTable->insert(addr,symbol);
288 tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
289 debugSymbolTable->insert(addr,symbol);
290 } else {
291 panicFsOnlyPseudoInst("addSymbol");
292 }
259}
260
261uint64_t
262initParam(ThreadContext *tc)
263{
293}
294
295uint64_t
296initParam(ThreadContext *tc)
297{
264 return tc->getCpuPtr()->system->init_param;
298 if (FullSystem) {
299 return tc->getCpuPtr()->system->init_param;
300 } else {
301 panicFsOnlyPseudoInst("initParam");
302 return 0;
303 }
265}
266
304}
305
267#endif
268
306
269
270void
271resetstats(ThreadContext *tc, Tick delay, Tick period)
272{
273 if (!tc->getCpuPtr()->params()->do_statistics_insts)
274 return;
275
276
277 Tick when = curTick() + delay * SimClock::Int::ns;

--- 35 unchanged lines hidden (view full) ---

313 return;
314
315 Tick when = curTick() + delay * SimClock::Int::ns;
316 Tick repeat = period * SimClock::Int::ns;
317
318 exitSimLoop("checkpoint", 0, when, repeat);
319}
320
307void
308resetstats(ThreadContext *tc, Tick delay, Tick period)
309{
310 if (!tc->getCpuPtr()->params()->do_statistics_insts)
311 return;
312
313
314 Tick when = curTick() + delay * SimClock::Int::ns;

--- 35 unchanged lines hidden (view full) ---

350 return;
351
352 Tick when = curTick() + delay * SimClock::Int::ns;
353 Tick repeat = period * SimClock::Int::ns;
354
355 exitSimLoop("checkpoint", 0, when, repeat);
356}
357
321#if FULL_SYSTEM
322
323uint64_t
324readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
325{
358uint64_t
359readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
360{
326 const string &file = tc->getSystemPtr()->params()->readfile;
327 if (file.empty()) {
328 return ULL(0);
329 }
361 if (FullSystem) {
362 const string &file = tc->getSystemPtr()->params()->readfile;
363 if (file.empty()) {
364 return ULL(0);
365 }
330
366
331 uint64_t result = 0;
367 uint64_t result = 0;
332
368
333 int fd = ::open(file.c_str(), O_RDONLY, 0);
334 if (fd < 0)
335 panic("could not open file %s\n", file);
369 int fd = ::open(file.c_str(), O_RDONLY, 0);
370 if (fd < 0)
371 panic("could not open file %s\n", file);
336
372
337 if (::lseek(fd, offset, SEEK_SET) < 0)
338 panic("could not seek: %s", strerror(errno));
373 if (::lseek(fd, offset, SEEK_SET) < 0)
374 panic("could not seek: %s", strerror(errno));
339
375
340 char *buf = new char[len];
341 char *p = buf;
342 while (len > 0) {
343 int bytes = ::read(fd, p, len);
344 if (bytes <= 0)
345 break;
376 char *buf = new char[len];
377 char *p = buf;
378 while (len > 0) {
379 int bytes = ::read(fd, p, len);
380 if (bytes <= 0)
381 break;
346
382
347 p += bytes;
348 result += bytes;
349 len -= bytes;
350 }
383 p += bytes;
384 result += bytes;
385 len -= bytes;
386 }
351
387
352 close(fd);
353 CopyIn(tc, vaddr, buf, result);
354 delete [] buf;
355 return result;
388 close(fd);
389 CopyIn(tc, vaddr, buf, result);
390 delete [] buf;
391 return result;
392 } else {
393 panicFsOnlyPseudoInst("readfile");
394 return 0;
395 }
356}
357
396}
397
358#endif
359
360void
361debugbreak(ThreadContext *tc)
362{
363 Debug::breakpoint();
364}
365
366void
367switchcpu(ThreadContext *tc)

--- 111 unchanged lines hidden --- 		398void
399debugbreak(ThreadContext *tc)
400{
401 Debug::breakpoint();
402}
403
404void
405switchcpu(ThreadContext *tc)

--- 111 unchanged lines hidden ---