sim: Add a returnInto function to the SyscallDesc class.

[gem5.git] / src / sim / sim_events.hh

diff --git a/src/sim/sim_events.hh b/src/sim/sim_events.hh
index 3c4a9dd05f6814f960b737b880288530512e6859..71792d58d6d80788ce54464e4ecf15083029bdd2 100644 (file)
--- a/src/sim/sim_events.hh
+++ b/src/sim/sim_events.hh
@@ -1,5 +1,19 @@
 /*
+ * Copyright (c) 2013 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright (c) 2002-2005 The Regents of The University of Michigan
+ * Copyright (c) 2013 Advanced Micro Devices, Inc.
+ * Copyright (c) 2013 Mark D. Hill and David A. Wood
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -24,63 +38,59 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Nathan Binkert
  */
 
 #ifndef __SIM_SIM_EVENTS_HH__
 #define __SIM_SIM_EVENTS_HH__
 
-#include "sim/eventq.hh"
+#include "sim/global_event.hh"
+#include "sim/serialize.hh"
 
 //
 // Event to terminate simulation at a particular cycle/instruction
 //
-class SimLoopExitEvent : public Event
+class GlobalSimLoopExitEvent : public GlobalEvent
 {
-  private:
+  protected:
     // string explaining why we're terminating
     std::string cause;
     int code;
+    Tick repeat;
 
   public:
-    // Default constructor.  Only really used for derived classes.
-    SimLoopExitEvent()
-        : Event(&mainEventQueue, Sim_Exit_Pri)
-    { }
+    GlobalSimLoopExitEvent(Tick when, const std::string &_cause, int c,
+                           Tick repeat = 0);
+    GlobalSimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0);
 
-    SimLoopExitEvent(Tick _when, const std::string &_cause, int c = 0)
-        : Event(&mainEventQueue, Sim_Exit_Pri), cause(_cause),
-          code(c)
-    { setFlags(IsExitEvent); schedule(_when); }
+    const std::string getCause() const { return cause; }
+    int getCode() const { return code; }
 
-    SimLoopExitEvent(EventQueue *q,
-                     Tick _when, const std::string &_cause, int c = 0)
-        : Event(q, Sim_Exit_Pri), cause(_cause), code(c)
-    { setFlags(IsExitEvent); schedule(_when); }
+    void process();     // process event
 
-    std::string getCause() { return cause; }
-    int getCode() { return code; }
-
-    void process();    // process event
-
-    virtual const char *description();
+    virtual const char *description() const;
 };
 
-class CountedDrainEvent : public SimLoopExitEvent
+class LocalSimLoopExitEvent : public Event
 {
-  private:
-    // Count of how many objects have not yet drained
-    int count;
+  protected:
+    // string explaining why we're terminating
+    std::string cause;
+    int code;
+    Tick repeat;
+
   public:
-    CountedDrainEvent()
-        : count(0)
-    { }
-    void process();
+    LocalSimLoopExitEvent();
+    LocalSimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0);
 
-    void setCount(int _count) { count = _count; }
+    const std::string getCause() const { return cause; }
+    int getCode() const { return code; }
 
-    int getCount() { return count; }
+    void process() override;     // process event
+
+    const char *description() const override;
+
+    void serialize(CheckpointOut &cp) const override;
+    void unserialize(CheckpointIn &cp) override;
 };
 
 //
@@ -91,53 +101,16 @@ class CountedDrainEvent : public SimLoopExitEvent
 class CountedExitEvent : public Event
 {
   private:
-    std::string cause; // string explaining why we're terminating
-    int &downCounter;  // decrement & terminate if zero
-
-  public:
-    CountedExitEvent(EventQueue *q, const std::string &_cause,
-                     Tick _when, int &_downCounter);
-
-    void process();    // process event
-
-    virtual const char *description();
-};
-
-//
-// Event to check swap usage
-//
-class CheckSwapEvent : public Event
-{
-  private:
-    int interval;
+    std::string cause;  // string explaining why we're terminating
+    int &downCounter;   // decrement & terminate if zero
 
   public:
-    CheckSwapEvent(EventQueue *q, int ival)
-        : Event(q), interval(ival)
-    { schedule(curTick + interval); }
+    CountedExitEvent(const std::string &_cause, int &_downCounter);
 
-    void process();    // process event
+    void process() override;     // process event
 
-    virtual const char *description();
+    const char *description() const override;
 };
 
-//
-// Progress event: print out cycle every so often so we know we're
-// making forward progress.
-//
-class ProgressEvent : public Event
-{
-  protected:
-    Tick interval;
-
-  public:
-    ProgressEvent(EventQueue *q, Tick ival)
-        : Event(q), interval(ival)
-    { schedule(curTick + interval); }
-
-    void process();    // process event
-
-    virtual const char *description();
-};
 
 #endif  // __SIM_SIM_EVENTS_HH__