system.cc revision 451 
1/*
2 * Copyright (c) 2003 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
29#include "base/loader/aout_object.hh"
30#include "base/loader/elf_object.hh"
31#include "base/loader/object_file.hh"
32#include "base/loader/symtab.hh"
33#include "base/remote_gdb.hh"
34#include "base/trace.hh"
35#include "cpu/exec_context.hh"
36#include "kern/linux/linux_events.hh"
37#include "kern/linux/linux_system.hh"
38#include "mem/functional_mem/memory_control.hh"
39#include "mem/functional_mem/physical_memory.hh"
40#include "sim/builder.hh"
41#include "targetarch/isa_traits.hh"
42#include "targetarch/vtophys.hh"
43
44//un-comment this to see the state of call stack when it changes.
45//#define SW_DEBUG
46
47using namespace std;
48
49LinuxSystem::LinuxSystem(const string _name, const uint64_t _init_param,
50                         MemoryController *_memCtrl, PhysicalMemory *_physmem,
51                         const string &kernel_path, const string &console_path,
52                         const string &palcode, const string &boot_osflags,
53                         const string &bootloader_path, const bool _bin)
54     : System(_name, _init_param, _memCtrl, _physmem, _bin), bin(_bin)
55{
56    kernelSymtab = new SymbolTable;
57    consoleSymtab = new SymbolTable;
58    bootloaderSymtab = new SymbolTable;
59
60    ObjectFile *kernel = createObjectFile(kernel_path);
61    if (kernel == NULL)
62        fatal("Could not load kernel file %s", kernel_path);
63
64    ObjectFile *console = createObjectFile(console_path);
65    if (console == NULL)
66        fatal("Could not load console file %s", console_path);
67
68    ObjectFile *bootloader = createObjectFile(bootloader_path);
69    if (bootloader == NULL)
70        fatal("Could not load bootloader file %s", bootloader_path);
71
72    if (!kernel->loadGlobalSymbols(kernelSymtab))
73        panic("could not load kernel symbols\n");
74
75    if (!console->loadGlobalSymbols(consoleSymtab))
76        panic("could not load console symbols\n");
77
78    if (!bootloader->loadGlobalSymbols(bootloaderSymtab))
79        panic("could not load bootloader symbols\n");
80
81    // Load pal file
82    ObjectFile *pal = createObjectFile(palcode);
83    if (pal == NULL)
84        fatal("Could not load PALcode file %s", palcode);
85    pal->loadSections(physmem, true);
86
87    // Load console file
88    console->loadSections(physmem, true);
89
90    // Load kernel file
91    kernel->loadSections(physmem, true);
92    kernelStart = kernel->textBase();
93    kernelEnd = kernel->bssBase() + kernel->bssSize();
94    /* FIXME: entrypoint not in kernel, but in bootloader,
95       variable should be re-named appropriately */
96    kernelEntry = kernel->entryPoint();
97
98
99    DPRINTF(Loader, "Kernel start = %#x\n"
100            "Kernel end   = %#x\n"
101            "Kernel entry = %#x\n",
102            kernelStart, kernelEnd, kernelEntry);
103
104    DPRINTF(Loader, "Kernel loaded...\n");
105
106    // Load bootloader file
107    bootloader->loadSections(physmem, true);
108    kernelEntry = bootloader->entryPoint();
109    kernelStart = bootloader->textBase();
110    DPRINTF(Loader, "Bootloader entry at %#x\n", kernelEntry);
111
112#ifdef FS_MEASURE
113    //INSTRUMENTATION CODEGEN BEGIN ONE
114    if (bin == true) {
115        esIntrBin = new Statistics::MainBin(name() + " es_intr");
116        fnBins.insert(make_pair("es_intr", esIntrBin));
117
118        esRxeofBin = new Statistics::MainBin(name() + " es_rxeof");
119        fnBins.insert(make_pair("es_rxeof", esRxeofBin));
120
121        esNewbufBin = new Statistics::MainBin(name() + " es_newbuf");
122        fnBins.insert(make_pair("es_newbuf", esNewbufBin));
123
124        esDmaLoadBin = new Statistics::MainBin(name() + " es_dma_load");
125        fnBins.insert(make_pair("es_dma_load", esDmaLoadBin));
126
127        dmaMapLoadBin = new Statistics::MainBin(name() + " dma_map_load");
128        fnBins.insert(make_pair("dma_map_load", dmaMapLoadBin));
129
130        etherInputBin = new Statistics::MainBin(name() + " ether_input");
131        fnBins.insert(make_pair("ether_input", etherInputBin));
132
133        netisrInputBin = new Statistics::MainBin(name() + " netisr_input");
134        fnBins.insert(make_pair("netisr_input", netisrInputBin));
135
136        schednetisrIsrBin = new Statistics::MainBin(name() + " schednetisr_isr");
137        fnBins.insert(make_pair("schednetisr_isr", schednetisrIsrBin));
138
139        ipintrBin = new Statistics::MainBin(name() + " ipintr");
140        fnBins.insert(make_pair("ipintr", ipintrBin));
141
142        ipDooptionsBin = new Statistics::MainBin(name() + " ip_dooptions");
143        fnBins.insert(make_pair("ip_dooptions", ipDooptionsBin));
144
145        ipReassBin = new Statistics::MainBin(name() + " ip_reass");
146        fnBins.insert(make_pair("ip_reass", ipReassBin));
147
148        tcpInputBin = new Statistics::MainBin(name() + " tcp_input");
149        fnBins.insert(make_pair("tcp_input", tcpInputBin));
150
151        sbappendBin = new Statistics::MainBin(name() + " sbappend");
152        fnBins.insert(make_pair("sbappend", sbappendBin));
153
154        readBin = new Statistics::MainBin(name() + " read");
155        fnBins.insert(make_pair("read", readBin));
156
157        sooReadBin = new Statistics::MainBin(name() + " soo_read");
158        fnBins.insert(make_pair("soo_read", sooReadBin));
159
160        orecvBin = new Statistics::MainBin(name() + " orecv");
161        fnBins.insert(make_pair("orecv", orecvBin));
162
163        recvitBin = new Statistics::MainBin(name() + " recvit");
164        fnBins.insert(make_pair("recvit", recvitBin));
165
166        soreceiveBin = new Statistics::MainBin(name() + " soreceive");
167        fnBins.insert(make_pair("soreceive", soreceiveBin));
168
169        osendBin = new Statistics::MainBin(name() + " osend");
170        fnBins.insert(make_pair("osend", osendBin));
171
172        writeBin = new Statistics::MainBin(name() + " write");
173        fnBins.insert(make_pair("write", writeBin));
174
175        sooWriteBin = new Statistics::MainBin(name() + " soo_write");
176        fnBins.insert(make_pair("soo_write", sooWriteBin));
177
178        senditBin = new Statistics::MainBin(name() + " sendit");
179        fnBins.insert(make_pair("sendit", senditBin));
180
181        sosendBin = new Statistics::MainBin(name() + " sosend");
182        fnBins.insert(make_pair("sosend", sosendBin));
183
184        tcpSosendBin = new Statistics::MainBin(name() + " tcp_sosend");
185        fnBins.insert(make_pair("tcp_sosend", tcpSosendBin));
186
187        tcpOutputBin = new Statistics::MainBin(name() + " tcp_output");
188        fnBins.insert(make_pair("tcp_output", tcpOutputBin));
189
190        ipOutputBin = new Statistics::MainBin(name() + " ip_output");
191        fnBins.insert(make_pair("ip_output", ipOutputBin));
192
193        etherOutputBin = new Statistics::MainBin(name() + " ether_output");
194        fnBins.insert(make_pair("ether_output", etherOutputBin));
195
196        esStartBin = new Statistics::MainBin(name() + " es_start");
197        fnBins.insert(make_pair("es_start", esStartBin));
198
199        esTransmitBin = new Statistics::MainBin(name() + " es_transmit");
200        fnBins.insert(make_pair("es_transmit", esTransmitBin));
201
202        esTxeofBin = new Statistics::MainBin(name() + " es_txeof");
203        fnBins.insert(make_pair("es_txeof", esTxeofBin));
204
205        idleThreadBin = new Statistics::MainBin(name() + " idle_thread");
206        fnBins.insert(make_pair("idle_thread", idleThreadBin));
207
208    }
209    //INSTRUMENTATION CODEGEN END
210#endif //FS_MEASURE
211
212    kernelPanicEvent = new BreakPCEvent(&pcEventQueue, "kernel panic");
213    consolePanicEvent = new BreakPCEvent(&pcEventQueue, "console panic");
214    badaddrEvent = new LinuxBadAddrEvent(&pcEventQueue, "badaddr");
215    skipPowerStateEvent = new LinuxSkipFuncEvent(&pcEventQueue,
216                                            "tl_v48_capture_power_state");
217    skipScavengeBootEvent = new LinuxSkipFuncEvent(&pcEventQueue,
218                                              "pmap_scavenge_boot");
219    printfEvent = new LinuxPrintfEvent(&pcEventQueue, "printf");
220   /* debugPrintfEvent = new DebugPrintfEvent(&pcEventQueue,
221                                            "debug_printf", false);
222    debugPrintfrEvent = new DebugPrintfEvent(&pcEventQueue,
223                                             "debug_printfr", true);
224    dumpMbufEvent = new DumpMbufEvent(&pcEventQueue, "dump_mbuf");
225*/
226#ifdef FS_MEASURE
227    //INSTRUMENTATION CODEGEN BEGIN TWO
228    if (bin == true) {
229          esIntrEvent = new FnEvent(&pcEventQueue, "es_intr", this);
230          esRxeofEvent = new FnEvent(&pcEventQueue, "es_rxeof", this);
231          esNewbufEvent = new FnEvent(&pcEventQueue, "es_newbuf", this);
232          esDmaLoadEvent = new FnEvent(&pcEventQueue, "es_dma_load", this);
233          dmaMapLoadEvent = new FnEvent(&pcEventQueue, "dma_map_load", this);
234          etherInputEvent = new FnEvent(&pcEventQueue, "ether_input", this);
235          netisrInputEvent = new FnEvent(&pcEventQueue, "netisr_input", this);
236          schednetisrIsrEvent = new FnEvent(&pcEventQueue, "schednetisr_isr", this);
237          ipintrEvent = new FnEvent(&pcEventQueue, "ipintr", this);
238          ipDooptionsEvent = new FnEvent(&pcEventQueue, "ip_dooptions", this);
239          ipReassEvent = new FnEvent(&pcEventQueue, "ip_reass", this);
240          tcpInputEvent = new FnEvent(&pcEventQueue, "tcp_input", this);
241          sbappendEvent = new FnEvent(&pcEventQueue, "sbappend", this);
242          readEvent = new FnEvent(&pcEventQueue, "read", this);
243          sooReadEvent = new FnEvent(&pcEventQueue, "soo_read", this);
244          orecvEvent = new FnEvent(&pcEventQueue, "orecv", this);
245          recvitEvent = new FnEvent(&pcEventQueue, "recvit", this);
246          soreceiveEvent = new FnEvent(&pcEventQueue, "soreceive", this);
247          osendEvent = new FnEvent(&pcEventQueue, "osend", this);
248          writeEvent = new FnEvent(&pcEventQueue, "write", this);
249          sooWriteEvent = new FnEvent(&pcEventQueue, "soo_write", this);
250          senditEvent = new FnEvent(&pcEventQueue, "sendit", this);
251          sosendEvent = new FnEvent(&pcEventQueue, "sosend", this);
252          tcpSosendEvent = new FnEvent(&pcEventQueue, "tcp_sosend", this);
253          tcpOutputEvent = new FnEvent(&pcEventQueue, "tcp_output", this);
254          ipOutputEvent = new FnEvent(&pcEventQueue, "ip_output", this);
255          etherOutputEvent = new FnEvent(&pcEventQueue, "ether_output", this);
256          esStartEvent = new FnEvent(&pcEventQueue, "es_start", this);
257          esTransmitEvent = new FnEvent(&pcEventQueue, "es_transmit", this);
258          esTxeofEvent = new FnEvent(&pcEventQueue, "es_txeof", this);
259          idleThreadEvent = new FnEvent(&pcEventQueue, "idle_thread", this);
260    }
261    //INSTRUMENTATION CODEGEN END
262#endif //FS_MEASURE
263
264    Addr addr = 0;
265    if (kernelSymtab->findAddress("enable_async_printf", addr)) {
266        Addr paddr = vtophys(physmem, addr);
267        uint8_t *enable_async_printf =
268            physmem->dma_addr(paddr, sizeof(uint32_t));
269
270        if (enable_async_printf)
271            *(uint32_t *)enable_async_printf = 0;
272    }
273
274    if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
275        Addr paddr = vtophys(physmem, addr);
276        char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t));
277
278        if (osflags)
279            strcpy(osflags, boot_osflags.c_str());
280    }
281
282    if (kernelSymtab->findAddress("panic", addr))
283        kernelPanicEvent->schedule(addr);
284    else
285        panic("could not find kernel symbol \'panic\'");
286
287    if (consoleSymtab->findAddress("panic", addr))
288        consolePanicEvent->schedule(addr);
289
290    if (kernelSymtab->findAddress("badaddr", addr))
291        badaddrEvent->schedule(addr);
292   // else
293        //panic("could not find kernel symbol \'badaddr\'");
294
295    if (kernelSymtab->findAddress("tl_v48_capture_power_state", addr))
296        skipPowerStateEvent->schedule(addr);
297
298    if (kernelSymtab->findAddress("pmap_scavenge_boot", addr))
299        skipScavengeBootEvent->schedule(addr);
300
301#if TRACING_ON
302    if (kernelSymtab->findAddress("printk", addr))
303        printfEvent->schedule(addr);
304
305    if (kernelSymtab->findAddress("m5printf", addr))
306        debugPrintfEvent->schedule(addr);
307
308    if (kernelSymtab->findAddress("m5printfr", addr))
309        debugPrintfrEvent->schedule(addr);
310
311    if (kernelSymtab->findAddress("m5_dump_mbuf", addr))
312        dumpMbufEvent->schedule(addr);
313#endif
314
315#ifdef FS_MEASURE
316    //INSTRUMENTATION CODEGEN BEGIN THREE
317    if (bin == true) {
318        if (kernelSymtab->findAddress("es_intr", addr))
319            esIntrEvent->schedule(addr);
320        else
321            panic("could not find kernel symbol \'es_intr\'");
322
323        if (kernelSymtab->findAddress("es_rxeof", addr))
324            esRxeofEvent->schedule(addr);
325        else
326            panic("could not find kernel symbol \'es_rxeof\'");
327
328        if (kernelSymtab->findAddress("es_newbuf", addr))
329            esNewbufEvent->schedule(addr);
330        else
331            panic("could not find kernel symbol \'es_newbuf\'");
332
333        if (kernelSymtab->findAddress("es_dma_load", addr))
334            esDmaLoadEvent->schedule(addr);
335        else
336            panic("could not find kernel symbol \'es_dma_load\'");
337
338        if (kernelSymtab->findAddress("dma_map_load", addr))
339            dmaMapLoadEvent->schedule(addr);
340        else
341            panic("could not find kernel symbol \'dma_map_load\'");
342
343        if (kernelSymtab->findAddress("ether_input", addr))
344            etherInputEvent->schedule(addr);
345        else
346            panic("could not find kernel symbol \'ether_input\'");
347
348        if (kernelSymtab->findAddress("netisr_input", addr))
349            netisrInputEvent->schedule(addr);
350        else
351            panic("could not find kernel symbol \'netisr_input\'");
352
353        if (kernelSymtab->findAddress("schednetisr_isr", addr))
354            schednetisrIsrEvent->schedule(addr);
355        else
356            panic("could not find kernel symbol \'schednetisr_isr\'");
357
358        if (kernelSymtab->findAddress("ipintr", addr))
359            ipintrEvent->schedule(addr);
360        else
361            panic("could not find kernel symbol \'ipintr\'");
362
363        if (kernelSymtab->findAddress("ip_dooptions", addr))
364            ipDooptionsEvent->schedule(addr);
365        else
366            panic("could not find kernel symbol \'ip_dooptions\'");
367
368        if (kernelSymtab->findAddress("ip_reass", addr))
369            ipReassEvent->schedule(addr);
370        else
371            panic("could not find kernel symbol \'ip_reass\'");
372
373        if (kernelSymtab->findAddress("tcp_input", addr))
374            tcpInputEvent->schedule(addr);
375        else
376            panic("could not find kernel symbol \'tcp_input\'");
377
378        if (kernelSymtab->findAddress("sbappend", addr))
379            sbappendEvent->schedule(addr);
380        else
381            panic("could not find kernel symbol \'sbappend\'");
382
383        if (kernelSymtab->findAddress("read", addr))
384            readEvent->schedule(addr);
385        else
386            panic("could not find kernel symbol \'read\'");
387
388        if (kernelSymtab->findAddress("soo_read", addr))
389            sooReadEvent->schedule(addr);
390        else
391            panic("could not find kernel symbol \'soo_read\'");
392
393        if (kernelSymtab->findAddress("orecv", addr))
394            orecvEvent->schedule(addr);
395        else
396            panic("could not find kernel symbol \'orecv\'");
397
398        if (kernelSymtab->findAddress("recvit", addr))
399            recvitEvent->schedule(addr);
400        else
401            panic("could not find kernel symbol \'recvit\'");
402
403        if (kernelSymtab->findAddress("soreceive", addr))
404            soreceiveEvent->schedule(addr);
405        else
406            panic("could not find kernel symbol \'soreceive\'");
407
408        if (kernelSymtab->findAddress("osend", addr))
409            osendEvent->schedule(addr);
410        else
411            panic("could not find kernel symbol \'osend\'");
412
413        if (kernelSymtab->findAddress("write", addr))
414            writeEvent->schedule(addr);
415        else
416            panic("could not find kernel symbol \'write\'");
417
418        if (kernelSymtab->findAddress("soo_write", addr))
419            sooWriteEvent->schedule(addr);
420        else
421            panic("could not find kernel symbol \'soo_write\'");
422
423        if (kernelSymtab->findAddress("sendit", addr))
424            senditEvent->schedule(addr);
425        else
426            panic("could not find kernel symbol \'sendit\'");
427
428        if (kernelSymtab->findAddress("sosend", addr))
429            sosendEvent->schedule(addr);
430        else
431            panic("could not find kernel symbol \'sosend\'");
432
433        if (kernelSymtab->findAddress("tcp_sosend", addr))
434            tcpSosendEvent->schedule(addr);
435        else
436            panic("could not find kernel symbol \'tcp_sosend\'");
437
438        if (kernelSymtab->findAddress("tcp_output", addr))
439            tcpOutputEvent->schedule(addr);
440        else
441            panic("could not find kernel symbol \'tcp_output\'");
442
443        if (kernelSymtab->findAddress("ip_output", addr))
444            ipOutputEvent->schedule(addr);
445        else
446            panic("could not find kernel symbol \'ip_output\'");
447
448        if (kernelSymtab->findAddress("ether_output", addr))
449            etherOutputEvent->schedule(addr);
450        else
451            panic("could not find kernel symbol \'ether_output\'");
452
453        if (kernelSymtab->findAddress("es_start", addr))
454            esStartEvent->schedule(addr);
455        else
456            panic("could not find kernel symbol \'es_start\'");
457
458        if (kernelSymtab->findAddress("es_transmit", addr))
459            esTransmitEvent->schedule(addr);
460        else
461            panic("could not find kernel symbol \'es_transmit\'");
462
463        if (kernelSymtab->findAddress("es_txeof", addr))
464            esTxeofEvent->schedule(addr);
465        else
466            panic("could not find kernel symbol \'es_txeof\'");
467
468        if (kernelSymtab->findAddress("idle_thread", addr))
469            idleThreadEvent->schedule(addr);
470        else
471            panic("could not find kernel symbol \'idle_thread\'");
472
473    }
474    //INSTRUMENTATION CODEGEN END
475     if (bin == true) {
476        fnCalls
477            .name(name() + ":fnCalls")
478            .desc("all fn calls being tracked")
479            ;
480
481        populateMap("es_intr", "");
482        populateMap("es_rxeof", "es_intr");
483        populateMap("es_newbuf", "es_rxeof");
484        populateMap("es_dma_load", "es_newbuf");
485        populateMap("dma_map_load", "es_dma_load");
486        populateMap("ether_input", "es_rxeof");
487        populateMap("netisr_input", "ether_input");
488        populateMap("schednetisr_isr", "netisr_input");
489
490        populateMap("ipintr", "");
491        populateMap("ip_dooptions", "ipintr");
492        populateMap("ip_reass", "ipintr");
493        populateMap("tcp_input", "ipintr");
494        populateMap("sbappend", "tcp_input");
495
496        populateMap("read", "");
497        populateMap("orecv", "");
498        populateMap("soo_read", "read");
499        populateMap("recvit", "orecv");
500        populateMap("soreceive", "recvit");
501        populateMap("soreceive", "soo_read");
502
503        populateMap("write", "");
504        populateMap("osend", "");
505        populateMap("soo_write", "write");
506        populateMap("sendit", "osend");
507        populateMap("sosend", "sendit");
508        populateMap("sosend", "soo_write");
509        populateMap("tcp_sosend", "sosend");
510        populateMap("tcp_output", "tcp_sosend");
511        populateMap("ip_output", "tcp_output");
512        populateMap("ether_output", "ip_output");
513        populateMap("es_start", "ether_output");
514        populateMap("es_transmit", "es_start");
515
516        populateMap("es_txeof", "es_intr");
517
518        populateMap("idle_thread", "");
519    }
520#endif //FS_MEASURE
521}
522
523LinuxSystem::~LinuxSystem()
524{
525    delete kernel;
526    delete console;
527
528    delete kernelSymtab;
529    delete consoleSymtab;
530    delete bootloaderSymtab;
531
532    delete kernelPanicEvent;
533    delete consolePanicEvent;
534    delete badaddrEvent;
535    delete skipPowerStateEvent;
536    delete skipScavengeBootEvent;
537    delete printfEvent;
538    /*delete debugPrintfEvent;
539    delete debugPrintfrEvent;
540    delete dumpMbufEvent;
541*/
542#ifdef FS_MEASURE
543    //INSTRUMENTATION CODEGEN BEGIN FOUR
544    if (bin == true) {
545        delete esIntrEvent;
546        delete esRxeofEvent;
547        delete esNewbufEvent;
548        delete esDmaLoadEvent;
549        delete dmaMapLoadEvent;
550        delete etherInputEvent;
551        delete netisrInputEvent;
552        delete schednetisrIsrEvent;
553        delete ipintrEvent;
554        delete ipDooptionsEvent;
555        delete ipReassEvent;
556        delete tcpInputEvent;
557        delete sbappendEvent;
558        delete readEvent;
559        delete sooReadEvent;
560        delete orecvEvent;
561        delete recvitEvent;
562        delete soreceiveEvent;
563        delete osendEvent;
564        delete writeEvent;
565        delete sooWriteEvent;
566        delete senditEvent;
567        delete sosendEvent;
568        delete tcpSosendEvent;
569        delete tcpOutputEvent;
570        delete ipOutputEvent;
571        delete etherOutputEvent;
572        delete esStartEvent;
573        delete esTransmitEvent;
574        delete esTxeofEvent;
575        delete idleThreadEvent;
576    }
577    //INSTRUMENTATION CODEGEN END
578#endif //FS_MEASURE
579}
580
581int
582LinuxSystem::registerExecContext(ExecContext *xc)
583{
584    int xcIndex = System::registerExecContext(xc);
585
586    if (xcIndex == 0) {
587        // activate with zero delay so that we start ticking right
588        // away on cycle 0
589        xc->activate(0);
590    }
591
592    RemoteGDB *rgdb = new RemoteGDB(this, xc);
593    GDBListener *gdbl = new GDBListener(rgdb, 7000 + xcIndex);
594    gdbl->listen();
595
596    if (remoteGDB.size() <= xcIndex) {
597        remoteGDB.resize(xcIndex+1);
598    }
599
600    remoteGDB[xcIndex] = rgdb;
601
602    return xcIndex;
603}
604
605
606void
607LinuxSystem::replaceExecContext(ExecContext *xc, int xcIndex)
608{
609    System::replaceExecContext(xcIndex, xc);
610    remoteGDB[xcIndex]->replaceExecContext(xc);
611}
612
613bool
614LinuxSystem::breakpoint()
615{
616    return remoteGDB[0]->trap(ALPHA_KENTRY_IF);
617}
618
619#ifdef FS_MEASURE
620void
621LinuxSystem::populateMap(std::string callee, std::string caller)
622{
623    multimap<const string, string>::const_iterator i;
624    i = callerMap.insert(make_pair(callee, caller));
625    assert(i != callerMap.end() && "should not fail populating callerMap");
626}
627
628bool
629LinuxSystem::findCaller(std::string callee, std::string caller) const
630{
631    typedef multimap<const std::string, std::string>::const_iterator iter;
632    pair<iter, iter> range;
633
634    range = callerMap.equal_range(callee);
635    for (iter i = range.first; i != range.second; ++i) {
636        if ((*i).second == caller)
637            return true;
638    }
639    return false;
640}
641
642void
643LinuxSystem::dumpState(ExecContext *xc) const
644{
645#ifndef SW_DEBUG
646    return;
647#endif
648    if (xc->swCtx) {
649        stack<fnCall *> copy(xc->swCtx->callStack);
650        if (copy.empty())
651            return;
652        cprintf("xc->swCtx:\n");
653        fnCall *top;
654        cprintf("||   call: %d\n",xc->swCtx->calls);
655        for (top = copy.top(); !copy.empty(); copy.pop() ) {
656            top = copy.top();
657            cprintf("||  %13s : %s \n", top->name, top->myBin->name());
658        }
659    }
660}
661#endif //FS_MEASURE
662
663BEGIN_DECLARE_SIM_OBJECT_PARAMS(LinuxSystem)
664
665    Param<bool> bin;
666    SimObjectParam<MemoryController *> mem_ctl;
667    SimObjectParam<PhysicalMemory *> physmem;
668    Param<uint64_t> init_param;
669
670    Param<string> kernel_code;
671    Param<string> console_code;
672    Param<string> pal_code;
673    Param<string> boot_osflags;
674    Param<string> bootloader_code;
675
676END_DECLARE_SIM_OBJECT_PARAMS(LinuxSystem)
677
678BEGIN_INIT_SIM_OBJECT_PARAMS(LinuxSystem)
679
680    INIT_PARAM_DFLT(bin, "is this system to be binned", false),
681    INIT_PARAM(mem_ctl, "memory controller"),
682    INIT_PARAM(physmem, "phsyical memory"),
683    INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0),
684    INIT_PARAM(kernel_code, "file that contains the kernel code"),
685    INIT_PARAM(console_code, "file that contains the console code"),
686    INIT_PARAM(pal_code, "file that contains palcode"),
687    INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
688                                   "a"),
689    INIT_PARAM(bootloader_code, "file that contains the bootloader")
690
691
692END_INIT_SIM_OBJECT_PARAMS(LinuxSystem)
693
694CREATE_SIM_OBJECT(LinuxSystem)
695{
696    LinuxSystem *sys = new LinuxSystem(getInstanceName(), init_param, mem_ctl,
697                                       physmem, kernel_code, console_code,
698                                       pal_code, boot_osflags, bootloader_code, bin);
699
700    return sys;
701}
702
703REGISTER_SIM_OBJECT("LinuxSystem", LinuxSystem)
704