Merge zizzer:/z/m5/Bitkeeper/m5

[gem5.git] / cpu / base_cpu.cc

diff --git a/cpu/base_cpu.cc b/cpu/base_cpu.cc
index 7605ff3c3fd05b26b025b02563609ab58ffe1b7f..181b484e738499ad0940f6857a9960ef5c346f1c 100644 (file)
--- a/cpu/base_cpu.cc
+++ b/cpu/base_cpu.cc
@@ -26,15 +26,17 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <iostream>
 #include <string>
 #include <sstream>
-#include <iostream>
 
 #include "base/cprintf.hh"
 #include "base/loader/symtab.hh"
 #include "base/misc.hh"
+#include "base/output.hh"
 #include "cpu/base_cpu.hh"
 #include "cpu/exec_context.hh"
+#include "cpu/sampling_cpu/sampling_cpu.hh"
 #include "sim/param.hh"
 #include "sim/sim_events.hh"
 
@@ -48,25 +50,12 @@ vector<BaseCPU *> BaseCPU::cpuList;
 int maxThreadsPerCPU = 1;
 
 #ifdef FULL_SYSTEM
-BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
-                 Counter max_insts_any_thread,
-                 Counter max_insts_all_threads,
-                 Counter max_loads_any_thread,
-                 Counter max_loads_all_threads,
-                 System *_system, Tick freq,
-                 bool _function_trace, Tick _function_trace_start)
-    : SimObject(_name), frequency(freq), checkInterrupts(true),
-      deferRegistration(_def_reg), number_of_threads(_number_of_threads),
-      system(_system)
+BaseCPU::BaseCPU(Params *p)
+    : SimObject(p->name), frequency(p->freq), checkInterrupts(true),
+      params(p), number_of_threads(p->numberOfThreads), system(p->system)
 #else
-BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
-                 Counter max_insts_any_thread,
-                 Counter max_insts_all_threads,
-                 Counter max_loads_any_thread,
-                 Counter max_loads_all_threads,
-                 bool _function_trace, Tick _function_trace_start)
-    : SimObject(_name), deferRegistration(_def_reg),
-      number_of_threads(_number_of_threads)
+BaseCPU::BaseCPU(Params *p)
+    : SimObject(p->name), params(p), number_of_threads(p->numberOfThreads)
 #endif
 {
     // add self to global list of CPUs
@@ -76,19 +65,19 @@ BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
         maxThreadsPerCPU = number_of_threads;
 
     // allocate per-thread instruction-based event queues
-    comInstEventQueue = new (EventQueue *)[number_of_threads];
+    comInstEventQueue = new EventQueue *[number_of_threads];
     for (int i = 0; i < number_of_threads; ++i)
         comInstEventQueue[i] = new EventQueue("instruction-based event queue");
 
     //
     // set up instruction-count-based termination events, if any
     //
-    if (max_insts_any_thread != 0)
+    if (p->max_insts_any_thread != 0)
         for (int i = 0; i < number_of_threads; ++i)
-            new SimExitEvent(comInstEventQueue[i], max_insts_any_thread,
+            new SimExitEvent(comInstEventQueue[i], p->max_insts_any_thread,
                 "a thread reached the max instruction count");
 
-    if (max_insts_all_threads != 0) {
+    if (p->max_insts_all_threads != 0) {
         // allocate & initialize shared downcounter: each event will
         // decrement this when triggered; simulation will terminate
         // when counter reaches 0
@@ -97,23 +86,23 @@ BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
         for (int i = 0; i < number_of_threads; ++i)
             new CountedExitEvent(comInstEventQueue[i],
                 "all threads reached the max instruction count",
-                max_insts_all_threads, *counter);
+                p->max_insts_all_threads, *counter);
     }
 
     // allocate per-thread load-based event queues
-    comLoadEventQueue = new (EventQueue *)[number_of_threads];
+    comLoadEventQueue = new EventQueue *[number_of_threads];
     for (int i = 0; i < number_of_threads; ++i)
         comLoadEventQueue[i] = new EventQueue("load-based event queue");
 
     //
     // set up instruction-count-based termination events, if any
     //
-    if (max_loads_any_thread != 0)
+    if (p->max_loads_any_thread != 0)
         for (int i = 0; i < number_of_threads; ++i)
-            new SimExitEvent(comLoadEventQueue[i], max_loads_any_thread,
+            new SimExitEvent(comLoadEventQueue[i], p->max_loads_any_thread,
                 "a thread reached the max load count");
 
-    if (max_loads_all_threads != 0) {
+    if (p->max_loads_all_threads != 0) {
         // allocate & initialize shared downcounter: each event will
         // decrement this when triggered; simulation will terminate
         // when counter reaches 0
@@ -122,7 +111,7 @@ BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
         for (int i = 0; i < number_of_threads; ++i)
             new CountedExitEvent(comLoadEventQueue[i],
                 "all threads reached the max load count",
-                max_loads_all_threads, *counter);
+                p->max_loads_all_threads, *counter);
     }
 
 #ifdef FULL_SYSTEM
@@ -131,19 +120,18 @@ BaseCPU::BaseCPU(const string &_name, int _number_of_threads, bool _def_reg,
 #endif
 
     functionTracingEnabled = false;
-    if (_function_trace) {
-        std::string filename = csprintf("ftrace.%s", name());
-        functionTraceStream = makeOutputStream(filename);
+    if (p->functionTrace) {
+        functionTraceStream = simout.find(csprintf("ftrace.%s", name()));
         currentFunctionStart = currentFunctionEnd = 0;
-        functionEntryTick = _function_trace_start;
+        functionEntryTick = p->functionTraceStart;
 
-        if (_function_trace_start == 0) {
+        if (p->functionTraceStart == 0) {
             functionTracingEnabled = true;
         } else {
             Event *e =
                 new EventWrapper<BaseCPU, &BaseCPU::enableFunctionTrace>(this,
                                                                          true);
-            e->schedule(_function_trace_start);
+            e->schedule(p->functionTraceStart);
         }
     }
 }
@@ -157,15 +145,12 @@ BaseCPU::enableFunctionTrace()
 
 BaseCPU::~BaseCPU()
 {
-    if (functionTracingEnabled)
-        closeOutputStream(functionTraceStream);
 }
 
-
 void
 BaseCPU::init()
 {
-    if (!deferRegistration)
+    if (!params->deferRegistration)
         registerExecContexts();
 }
 
@@ -210,9 +195,10 @@ BaseCPU::registerExecContexts()
 
 
 void
-BaseCPU::switchOut()
+BaseCPU::switchOut(SamplingCPU *sampler)
 {
-    // default: do nothing
+    // default: do nothing, signal done
+    sampler->signalSwitched();
 }
 
 void