Enforce the timing cpu ticking at it's clock rate

Add a max time option in seconds and a single system root clock be 1THz

configs/test/fs.py:
    Add a max time option in seconds and a single system root clock be 1THz
src/cpu/simple/timing.cc:
src/cpu/simple/timing.hh:
    Enforce the timing cpu ticking at it's clock rate

--HG--
extra : convert_revision : a1b0de27abde867f9c3da5bec11639e3d82a95f5

1 files changed, 6 insertions, 1 deletions

diff --git a/configs/test/fs.py b/configs/test/fs.py
index f4c50fc23..7e89b7dd4 100644
--- a/configs/test/fs.py
+++ b/configs/test/fs.py
@@ -10,6 +10,7 @@ parser = optparse.OptionParser()
 parser.add_option("-d", "--detailed", action="store_true")
 parser.add_option("-t", "--timing", action="store_true")
 parser.add_option("-m", "--maxtick", type="int")
+parser.add_option("--maxtime", type="float")
 parser.add_option("--dual", help="Run full system using dual systems",
                   action="store_true")
 
@@ -102,7 +103,7 @@ if options.dual:
         MyLinuxAlphaSystem(readfile=script('netperf-stream-nt-client.rcS')),
         MyLinuxAlphaSystem(readfile=script('netperf-server.rcS')))
 else:
-    root = TsunamiRoot(clock = '2GHz', system = MyLinuxAlphaSystem())
+    root = TsunamiRoot(clock = '1THz', system = MyLinuxAlphaSystem())
 
 m5.instantiate(root)
 
@@ -116,6 +117,10 @@ m5.instantiate(root)
 
 if options.maxtick:
     exit_event = m5.simulate(options.maxtick)
+elif options.maxtime:
+    simtime = int(options.maxtime * root.clock.value)
+    print "simulating for: ", simtime
+    exit_event = m5.simulate(simtime)
 else:
     exit_event = m5.simulate()