X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fsim%2Fcore.hh;h=8e464548fe138120209f020286dfe0b914e7d04b;hb=abd33d6fd26bb69d3bf53ceb6c2dc8f90d893e34;hp=2ef21c4b60b04217957ce2fe77b4ada2540a353e;hpb=ffe6bebb05c30b0f1d7cde5ad5b94a2551938630;p=gem5.git

diff --git a/src/sim/core.hh b/src/sim/core.hh
index 2ef21c4b6..8e464548f 100644
--- a/src/sim/core.hh
+++ b/src/sim/core.hh
@@ -1,5 +1,7 @@
 /*
  * Copyright (c) 2006 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
@@ -29,12 +31,77 @@
  *          Steve Reinhardt
  */
 
-#include <Python.h>
+#ifndef __SIM_CORE_HH__
+#define __SIM_CORE_HH__
+
+/** @file This header provides some core simulator functionality such as time
+ * information, output directory and exit events
+ */
+
 #include <string>
 
-#include "base/callback.hh"
+#include "base/types.hh"
+#include "sim/eventq.hh"
+
+/// The universal simulation clock.
+inline Tick curTick() { return _curEventQueue->getCurTick(); }
+
+const Tick retryTime = 1000;
+
+/// These are variables that are set based on the simulator frequency
+///@{
+namespace SimClock {
+extern Tick Frequency; ///< The number of ticks that equal one second
+
+namespace Float {
+
+/** These variables equal the number of ticks in the unit of time they're
+ * named after in a double.
+ * @{
+ */
+extern double s;  ///< second
+extern double ms; ///< millisecond
+extern double us; ///< microsecond
+extern double ns; ///< nanosecond
+extern double ps; ///< picosecond
+/** @} */
+
+/** These variables the inverse of above. They're all < 1.
+ * @{
+ */
+extern double Hz;  ///< Hz
+extern double kHz; ///< kHz
+extern double MHz; ///< MHz
+extern double GHz; ///< GHz
+/** @}*/
+} // namespace Float
+
+/** These variables equal the number of ticks in the unit of time they're
+ *  named after in a 64 bit integer.
+ *
+ * @{
+ */
+namespace Int {
+extern Tick s;  ///< second
+extern Tick ms; ///< millisecond
+extern Tick us; ///< microsecond
+extern Tick ns; ///< nanosecond
+extern Tick ps; ///< picosecond
+/** @} */
+} // namespace Int
+} // namespace SimClock
+/** @} */
+
+void fixClockFrequency();
+bool clockFrequencyFixed();
+
+void setClockFrequency(Tick ticksPerSecond);
+Tick getClockFrequency(); // Ticks per second.
 
 void setOutputDir(const std::string &dir);
 
+class Callback;
 void registerExitCallback(Callback *callback);
 void doExitCleanup();
+
+#endif /* __SIM_CORE_HH__ */