#include <fcntl.h>
#include <unistd.h>
+#include <fstream>
#include <string>
-#include "sim/pseudo_inst.hh"
#include "arch/vtophys.hh"
-#include "base/annotate.hh"
+#include "base/debug.hh"
+#include "config/full_system.hh"
+#include "config/the_isa.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
#include "cpu/quiesce_event.hh"
-#include "kern/kernel_stats.hh"
-#include "sim/param.hh"
+#include "params/BaseCPU.hh"
+#include "sim/pseudo_inst.hh"
#include "sim/serialize.hh"
+#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/stat_control.hh"
#include "sim/stats.hh"
#include "sim/system.hh"
-#include "sim/debug.hh"
+
+#if FULL_SYSTEM
+#include "arch/kernel_stats.hh"
#include "sim/vptr.hh"
+#endif
using namespace std;
using namespace Stats;
using namespace TheISA;
-namespace AlphaPseudo
+namespace PseudoInst {
+
+#if FULL_SYSTEM
+
+void
+arm(ThreadContext *tc)
{
- bool doStatisticsInsts;
- bool doCheckpointInsts;
- bool doQuiesce;
-
- void
- arm(ThreadContext *tc)
- {
- if (tc->getKernelStats())
- tc->getKernelStats()->arm();
- }
+ if (tc->getKernelStats())
+ tc->getKernelStats()->arm();
+}
- void
- quiesce(ThreadContext *tc)
- {
- if (!doQuiesce)
- return;
+void
+quiesce(ThreadContext *tc)
+{
+ if (!tc->getCpuPtr()->params()->do_quiesce)
+ return;
- tc->suspend();
- if (tc->getKernelStats())
- tc->getKernelStats()->quiesce();
- }
+ DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name());
- void
- quiesceNs(ThreadContext *tc, uint64_t ns)
- {
- if (!doQuiesce || ns == 0)
- return;
+ tc->suspend();
+ if (tc->getKernelStats())
+ tc->getKernelStats()->quiesce();
+}
- EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
+void
+quiesceNs(ThreadContext *tc, uint64_t ns)
+{
+ if (!tc->getCpuPtr()->params()->do_quiesce || ns == 0)
+ return;
- if (quiesceEvent->scheduled())
- quiesceEvent->reschedule(curTick + Clock::Int::ns * ns);
- else
- quiesceEvent->schedule(curTick + Clock::Int::ns * ns);
+ EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
- tc->suspend();
- if (tc->getKernelStats())
- tc->getKernelStats()->quiesce();
- }
+ Tick resume = curTick + SimClock::Int::ns * ns;
- void
- quiesceCycles(ThreadContext *tc, uint64_t cycles)
- {
- if (!doQuiesce || cycles == 0)
- return;
+ mainEventQueue.reschedule(quiesceEvent, resume, true);
- EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
+ DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n",
+ tc->getCpuPtr()->name(), ns, resume);
- if (quiesceEvent->scheduled())
- quiesceEvent->reschedule(curTick +
- tc->getCpuPtr()->cycles(cycles));
- else
- quiesceEvent->schedule(curTick +
- tc->getCpuPtr()->cycles(cycles));
+ tc->suspend();
+ if (tc->getKernelStats())
+ tc->getKernelStats()->quiesce();
+}
- tc->suspend();
- if (tc->getKernelStats())
- tc->getKernelStats()->quiesce();
- }
+void
+quiesceCycles(ThreadContext *tc, uint64_t cycles)
+{
+ if (!tc->getCpuPtr()->params()->do_quiesce || cycles == 0)
+ return;
- uint64_t
- quiesceTime(ThreadContext *tc)
- {
- return (tc->readLastActivate() - tc->readLastSuspend()) / Clock::Int::ns;
- }
+ EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent();
- void
- ivlb(ThreadContext *tc)
- {
- if (tc->getKernelStats())
- tc->getKernelStats()->ivlb();
- }
+ Tick resume = curTick + tc->getCpuPtr()->ticks(cycles);
- void
- ivle(ThreadContext *tc)
- {
- }
+ mainEventQueue.reschedule(quiesceEvent, resume, true);
- void
- m5exit_old(ThreadContext *tc)
- {
- exitSimLoop(curTick, "m5_exit_old instruction encountered");
- }
+ DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n",
+ tc->getCpuPtr()->name(), cycles, resume);
- void
- m5exit(ThreadContext *tc, Tick delay)
- {
- Tick when = curTick + delay * Clock::Int::ns;
- exitSimLoop(when, "m5_exit instruction encountered");
- }
+ tc->suspend();
+ if (tc->getKernelStats())
+ tc->getKernelStats()->quiesce();
+}
- void
- resetstats(ThreadContext *tc, Tick delay, Tick period)
- {
- if (!doStatisticsInsts)
- return;
+uint64_t
+quiesceTime(ThreadContext *tc)
+{
+ return (tc->readLastActivate() - tc->readLastSuspend()) /
+ SimClock::Int::ns;
+}
+
+#endif
+
+uint64_t
+rpns(ThreadContext *tc)
+{
+ return curTick / SimClock::Int::ns;
+}
+void
+wakeCPU(ThreadContext *tc, uint64_t cpuid)
+{
+ System *sys = tc->getSystemPtr();
+ ThreadContext *other_tc = sys->threadContexts[cpuid];
+ if (other_tc->status() == ThreadContext::Suspended)
+ other_tc->activate();
+}
+
+void
+m5exit(ThreadContext *tc, Tick delay)
+{
+ Tick when = curTick + delay * SimClock::Int::ns;
+ Event *event = new SimLoopExitEvent("m5_exit instruction encountered", 0);
+ mainEventQueue.schedule(event, when);
+}
- Tick when = curTick + delay * Clock::Int::ns;
- Tick repeat = period * Clock::Int::ns;
+#if FULL_SYSTEM
- using namespace Stats;
- SetupEvent(Reset, when, repeat);
+void
+loadsymbol(ThreadContext *tc)
+{
+ const string &filename = tc->getCpuPtr()->system->params()->symbolfile;
+ if (filename.empty()) {
+ return;
}
- void
- dumpstats(ThreadContext *tc, Tick delay, Tick period)
- {
- if (!doStatisticsInsts)
- return;
+ std::string buffer;
+ ifstream file(filename.c_str());
+ if (!file)
+ fatal("file error: Can't open symbol table file %s\n", filename);
- Tick when = curTick + delay * Clock::Int::ns;
- Tick repeat = period * Clock::Int::ns;
+ while (!file.eof()) {
+ getline(file, buffer);
- using namespace Stats;
- SetupEvent(Dump, when, repeat);
- }
+ if (buffer.empty())
+ continue;
- void
- addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
- {
- char symb[100];
- CopyStringOut(tc, symb, symbolAddr, 100);
- std::string symbol(symb);
+ string::size_type idx = buffer.find(' ');
+ if (idx == string::npos)
+ continue;
- DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
+ string address = "0x" + buffer.substr(0, idx);
+ eat_white(address);
+ if (address.empty())
+ continue;
- tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
- }
+ // Skip over letter and space
+ string symbol = buffer.substr(idx + 3);
+ eat_white(symbol);
+ if (symbol.empty())
+ continue;
+
+ Addr addr;
+ if (!to_number(address, addr))
+ continue;
+
+ if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol))
+ continue;
- void
- anBegin(ThreadContext *tc, uint64_t cur)
- {
- Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
- 0xFFFFFFFF, 0,0);
- }
- void
- anWait(ThreadContext *tc, uint64_t cur, uint64_t wait)
- {
- Annotate::annotations.add(tc->getSystemPtr(), 0, cur >> 32, cur &
- 0xFFFFFFFF, wait >> 32, wait & 0xFFFFFFFF);
+ DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
}
+ file.close();
+}
+void
+addsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr)
+{
+ char symb[100];
+ CopyStringOut(tc, symb, symbolAddr, 100);
+ std::string symbol(symb);
- void
- dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
- {
- if (!doStatisticsInsts)
- return;
+ DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr);
+ tc->getSystemPtr()->kernelSymtab->insert(addr,symbol);
+ debugSymbolTable->insert(addr,symbol);
+}
- Tick when = curTick + delay * Clock::Int::ns;
- Tick repeat = period * Clock::Int::ns;
+#endif
- using namespace Stats;
- SetupEvent(Dump|Reset, when, repeat);
- }
- void
- m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
- {
- if (!doCheckpointInsts)
- return;
- exitSimLoop("checkpoint");
- }
+void
+resetstats(ThreadContext *tc, Tick delay, Tick period)
+{
+ if (!tc->getCpuPtr()->params()->do_statistics_insts)
+ return;
- uint64_t
- readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
- {
- const string &file = tc->getCpuPtr()->system->params()->readfile;
- if (file.empty()) {
- return ULL(0);
- }
-
- uint64_t result = 0;
-
- int fd = ::open(file.c_str(), O_RDONLY, 0);
- if (fd < 0)
- panic("could not open file %s\n", file);
-
- if (::lseek(fd, offset, SEEK_SET) < 0)
- panic("could not seek: %s", strerror(errno));
-
- char *buf = new char[len];
- char *p = buf;
- while (len > 0) {
- int bytes = ::read(fd, p, len);
- if (bytes <= 0)
- break;
-
- p += bytes;
- result += bytes;
- len -= bytes;
- }
-
- close(fd);
- CopyIn(tc, vaddr, buf, result);
- delete [] buf;
- return result;
- }
- class Context : public ParamContext
- {
- public:
- Context(const string §ion) : ParamContext(section) {}
- void checkParams();
- };
-
- Context context("pseudo_inst");
-
- Param<bool> __quiesce(&context, "quiesce",
- "enable quiesce instructions",
- true);
- Param<bool> __statistics(&context, "statistics",
- "enable statistics pseudo instructions",
- true);
- Param<bool> __checkpoint(&context, "checkpoint",
- "enable checkpoint pseudo instructions",
- true);
-
- void
- Context::checkParams()
- {
- doQuiesce = __quiesce;
- doStatisticsInsts = __statistics;
- doCheckpointInsts = __checkpoint;
- }
+ Tick when = curTick + delay * SimClock::Int::ns;
+ Tick repeat = period * SimClock::Int::ns;
+
+ Stats::StatEvent(false, true, when, repeat);
+}
+
+void
+dumpstats(ThreadContext *tc, Tick delay, Tick period)
+{
+ if (!tc->getCpuPtr()->params()->do_statistics_insts)
+ return;
+
+
+ Tick when = curTick + delay * SimClock::Int::ns;
+ Tick repeat = period * SimClock::Int::ns;
+
+ Stats::StatEvent(true, false, when, repeat);
+}
+
+void
+dumpresetstats(ThreadContext *tc, Tick delay, Tick period)
+{
+ if (!tc->getCpuPtr()->params()->do_statistics_insts)
+ return;
+
+
+ Tick when = curTick + delay * SimClock::Int::ns;
+ Tick repeat = period * SimClock::Int::ns;
+
+ Stats::StatEvent(true, true, when, repeat);
+}
- void debugbreak(ThreadContext *tc)
- {
- debug_break();
+void
+m5checkpoint(ThreadContext *tc, Tick delay, Tick period)
+{
+ if (!tc->getCpuPtr()->params()->do_checkpoint_insts)
+ return;
+
+ Tick when = curTick + delay * SimClock::Int::ns;
+ Tick repeat = period * SimClock::Int::ns;
+
+ Event *event = new SimLoopExitEvent("checkpoint", 0, repeat);
+ mainEventQueue.schedule(event, when);
+}
+
+#if FULL_SYSTEM
+
+uint64_t
+readfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset)
+{
+ const string &file = tc->getSystemPtr()->params()->readfile;
+ if (file.empty()) {
+ return ULL(0);
}
- void switchcpu(ThreadContext *tc)
- {
- exitSimLoop("switchcpu");
+ uint64_t result = 0;
+
+ int fd = ::open(file.c_str(), O_RDONLY, 0);
+ if (fd < 0)
+ panic("could not open file %s\n", file);
+
+ if (::lseek(fd, offset, SEEK_SET) < 0)
+ panic("could not seek: %s", strerror(errno));
+
+ char *buf = new char[len];
+ char *p = buf;
+ while (len > 0) {
+ int bytes = ::read(fd, p, len);
+ if (bytes <= 0)
+ break;
+
+ p += bytes;
+ result += bytes;
+ len -= bytes;
}
+
+ close(fd);
+ CopyIn(tc, vaddr, buf, result);
+ delete [] buf;
+ return result;
+}
+
+#endif
+
+void
+debugbreak(ThreadContext *tc)
+{
+ debug_break();
}
+
+void
+switchcpu(ThreadContext *tc)
+{
+ exitSimLoop("switchcpu");
+}
+
+/* namespace PseudoInst */ }
projects / gem5.git / blobdiff