#define __CPU_CPUEVENT_HH__
#include <vector>
+
#include "sim/eventq.hh"
-class ExecContext;
+class ThreadContext;
-/** This class creates a global list of events than need a pointer to an
- * execution context. When a switchover takes place the events can be migrated
- * to the new execution context, otherwise you could have a wake timer interrupt
- * go off on a switched out cpu or other unfortunate events. This object MUST be
- * dynamically allocated to avoid it being deleted after a cpu switch happens.
- * */
+/**
+ * This class creates a global list of events that need a pointer to a
+ * thread context. When a switchover takes place the events can be
+ * migrated to the new thread context, otherwise you could have a wake
+ * timer interrupt go off on a switched out cpu or other unfortunate
+ * events. This object MUST be dynamically allocated to avoid it being
+ * deleted after a cpu switch happens.
+ */
class CpuEvent : public Event
{
- private:
+ protected:
/** type of global list of cpu events. */
typedef std::vector<CpuEvent *> CpuEventList;
* happens. */
static CpuEventList cpuEventList;
- /** The execution context that is switched to the new cpus. */
- ExecContext *xc;
+ /** The thread context that is switched to the new cpus. */
+ ThreadContext *tc;
public:
- CpuEvent(EventQueue *q, ExecContext *_xc, Priority p = Default_Pri)
- : Event(q, p), xc(_xc)
+ CpuEvent(ThreadContext *_tc, Priority p = Default_Pri)
+ : Event(p), tc(_tc)
{ cpuEventList.push_back(this); }
/** delete the cpu event from the global list. */
~CpuEvent();
- /** Update all events switching old xc to new xc.
- * @param oldXc the old exeuction context we are switching from
- * @param newXc the new execution context we are switching to.
+ /** Update all events switching old tc to new tc.
+ * @param oldTc the old thread context we are switching from
+ * @param newTc the new thread context we are switching to.
*/
- static void replaceExecContext(ExecContext *oldXc, ExecContext *newXc);
+ static void replaceThreadContext(ThreadContext *oldTc,
+ ThreadContext *newTc);
+ ThreadContext* getTC() { return tc; }
};
-template <class T, void (T::* F)(ExecContext *xc)>
+template <class T, void (T::* F)(ThreadContext *tc)>
class CpuEventWrapper : public CpuEvent
{
private:
T *object;
public:
- CpuEventWrapper(T *obj, ExecContext *_xc, EventQueue *q = &mainEventQueue,
- Priority p = Default_Pri)
- : CpuEvent(q, _xc, p), object(obj)
+ CpuEventWrapper(T *obj, ThreadContext *_tc, Priority p = Default_Pri)
+ : CpuEvent(_tc, p), object(obj)
{ }
- void process() { (object->*F)(xc); }
+ void process() { (object->*F)(tc); }
};
#endif // __CPU_CPUEVENT_HH__