/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package wcet;
import jbe.lift.LiftControl;
import jbe.lift.TalIo;
import com.jopdesign.sys.Config;
import com.jopdesign.sys.Const;
import com.jopdesign.sys.Native;
public class StartLift {
/* Debugging signals to manipulate the cache */
final static int CACHE_FLUSH = -51;
final static int CACHE_DUMP = -53;
final static boolean MEASURE_CACHE = false;
private static LiftControl ctrl;
private static TalIo io;
static int ts, te, to;
public static void main(String[] args) {
ts = Native.rdMem(Const.IO_CNT);
te = Native.rdMem(Const.IO_CNT);
to = te-ts;
// initialization
ctrl = new LiftControl();
io = new TalIo();
int min = 0x7fffffff;
int max = 0;
int val = 0;
for (int i=0; i<100; ++i) { // @WCA loop=100
if (MEASURE_CACHE) Native.wrMem(1,CACHE_FLUSH);
invoke();
val = te-ts-to;
if (val<min) min = val;
if (val>max) max = val;
}
if (Config.MEASURE) {
System.out.print("min: ");
System.out.println(min);
System.out.print("max: ");
System.out.println(max);
}
}
static void invoke() {
measure();
if (Config.MEASURE) te = Native.rdMem(Const.IO_CNT);
if (MEASURE_CACHE) Native.rdMem(CACHE_DUMP);
}
static void measure() {
if (Config.MEASURE) ts = Native.rdMem(Const.IO_CNT);
loop();
}
static void loop() {
ctrl.setVals();
ctrl.getVals();
ctrl.loop(io);
}
}