X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fsim%2Fcore.cc;h=8342b674003d7cb407c11a149760cb083ce277e1;hb=931405da2f8828c23463d83f0b77b551d633565c;hp=24cc33da2172c146c55858d9630764a6f38dd5cd;hpb=82874eefca231fa960fbd39a90ed98929915c414;p=gem5.git

diff --git a/src/sim/core.cc b/src/sim/core.cc
index 24cc33da2..8342b6740 100644
--- a/src/sim/core.cc
+++ b/src/sim/core.cc
@@ -34,9 +34,63 @@
 
 #include "base/callback.hh"
 #include "base/output.hh"
+#include "sim/core.hh"
 
 using namespace std;
 
+Tick curTick = 0;
+
+namespace Clock {
+/// The simulated frequency of curTick. (In ticks per second)
+Tick Frequency;
+
+namespace Float {
+double s;
+double ms;
+double us;
+double ns;
+double ps;
+
+double Hz;
+double kHz;
+double MHz;
+double GHZ;
+/* namespace Float */ }
+
+namespace Int {
+Tick s;
+Tick ms;
+Tick us;
+Tick ns;
+Tick ps;
+/* namespace Float */ }
+
+/* namespace Clock */ }
+
+void
+setClockFrequency(Tick ticksPerSecond)
+{
+    using namespace Clock;
+    Frequency = ticksPerSecond;
+    Float::s = static_cast<double>(Frequency);
+    Float::ms = Float::s / 1.0e3;
+    Float::us = Float::s / 1.0e6;
+    Float::ns = Float::s / 1.0e9;
+    Float::ps = Float::s / 1.0e12;
+
+    Float::Hz  = 1.0 / Float::s;
+    Float::kHz = 1.0 / Float::ms;
+    Float::MHz = 1.0 / Float::us;
+    Float::GHZ = 1.0 / Float::ns;
+
+    Int::s  = Frequency;
+    Int::ms = Int::s / 1000;
+    Int::us = Int::ms / 1000;
+    Int::ns = Int::us / 1000;
+    Int::ps = Int::ns / 1000;
+
+}
+
 void
 setOutputDir(const string &dir)
 {
@@ -74,3 +128,4 @@ doExitCleanup()
 
     cout.flush();
 }
+