expose variables for number of global events per simulated second,

millisecond, microsecond, etc. so that the user can explicitly
convert between system ticks and time and know what sorts of
expensive operations are being used for that conversion.

arch/alpha/alpha_tru64_process.cc:
arch/alpha/pseudo_inst.cc:
dev/etherdump.cc:
dev/etherlink.cc:
dev/ns_gige.cc:
dev/sinic.cc:
dev/tsunami_io.cc:
dev/uart.cc:
sim/stat_control.cc:
sim/syscall_emul.hh:
    Use the new variables for getting the event clock
dev/etherdump.hh:
    delete variables that are no longer needed.

--HG--
extra : convert_revision : d95fc7d44909443e1b7952a24ef822ef051c7cf2

1 files changed, 8 insertions, 3 deletions

diff --git a/dev/tsunami_io.cc b/dev/tsunami_io.cc
index 6c9195bff..1e4f44346 100644
--- a/dev/tsunami_io.cc
+++ b/dev/tsunami_io.cc
@@ -95,6 +95,13 @@ TsunamiIO::RTCEvent::unserialize(Checkpoint *cp, const std::string &section)
 TsunamiIO::ClockEvent::ClockEvent()
     : Event(&mainEventQueue)
 {
+    /* This is the PIT Tick Rate. A constant for the 8254 timer. The
+     * Tsunami platform has one of these cycle counters on the Cypress
+     * South Bridge and it is used by linux for estimating the cycle
+     * frequency of the machine it is running on. --Ali
+     */
+    interval = (Tick)(Clock::Float::s / 1193180.0);
+
     DPRINTF(Tsunami, "Clock Event Initilizing\n");
     mode = 0;
 }
@@ -113,9 +120,7 @@ void
 TsunamiIO::ClockEvent::Program(int count)
 {
     DPRINTF(Tsunami, "Timer set to curTick + %d\n", count);
-    // should be count * (cpufreq/pitfreq)
-    interval = count * ticksPerSecond/1193180UL;
-    schedule(curTick + interval);
+    schedule(curTick + count * interval);
     status = 0;
 }