Category : Miscellaneous Language Source Code
Archive   : DINEROII.ZIP
Filename : MAIN.C

/************************************************************************
**
** Dinero III Cache Simulator
** $Header: /var/home/markhill/DistributeDineroIII/RCS/main.c,v 3.3 89/05/04 09:57:37 markhill Exp $
** Similar to Version 3.1, Released 8/7/85
**
** Mark D. Hill
** Computer Sciences Dept.
** Univ. of Wisconsin
** Madison, WI 53706
** [email protected]
**
** Developed DineroIII While Affiliated With:
**
** Computer Science Division
** University of California
** Berkeley, California 94720
**
** Source File: main.c
**
************************************************************************/

/*
** Copyright 1985, 1989 Mark D. Hill
**
** Permission to use, copy, modify, and distribute this
** software and its documentation for any purpose and without
** fee is hereby granted, provided that the above copyright
** notice appear in all copies. Mark D. Hill makes no
** representations about the suitability of this software
** for any purpose. It is provided "as is" without expressed
** or implied warranty.
*/

#define PUBLIC
#include "global.h"

main(argc,argv) /* Dinero III Cache Simulator (see doc.h). */
int argc; /* < */
char *argv[]; /* < */
{
extern int init();
extern int outputmetric();
extern int srandom();
POLICYTYPE policy;
METRICTYPE metric;
CTRLTYPE ctrl;
CACHETYPE cache;


printf("\n\n---Dinero III by Mark D. Hill.\n");

/* for 370 port:
370
370 Print different banner.
370
*/
#ifdef IBM370
printf( "---Version %s for IBM 3081, Released %s.\n", "3.3", "May 1989");
printf( "---370 Comments: %s\n",
"Use '-F FOO' to read from trace file 'FOO DIN.'"
);
printf( "---370 Untested: %s\n",
"srandom() and random() on 370."
);
#else
printf( "---Version %s, Released %s.\n", "3.3", "May 1989");
#endif

/* printf( "---Unimplemented: %s\n",
"none."
); */
/* printf( "---Untested: %s\n",
"none."
); */
/* printf( "---Known bugs: %s\n",
"none."
); */

/*
** Exit with extra messages if there are no args.
*/
if (argc==1) {
printf( "---User must specify (in bytes): %s\n",
"cache size(s) and block size."
);
printf( "---E.g.: %s\n",
"dineroIII -i16K -d16384 -b16"
);
exit(1);
}

printf( "\n---Execution begins.\n");

init(argc,argv,&cache,&policy,&ctrl,&metric);

srandom(1);

printf("\n---Simulation begins.\n");

mainloop(&cache,&policy,&ctrl,&metric);

printf("---Simulation complete.\n");

outputmetric(&cache,&policy,&ctrl,&metric);

printf("---Execution complete.\n");

} /* ****************************************************************** */



mainloop( /* Initiates fetch, & updates */
cachep,policyp,ctrlp,metricp)

CACHETYPE *cachep; /* <> */
register POLICYTYPE *policyp; /* < */
register CTRLTYPE *ctrlp; /* < */
register METRICTYPE *metricp; /* <> */
{
extern int dumpaddr();
extern int dumpstate();
extern int fetch();
extern int outputmetric();
extern int update();
extern int flushcache();
DECODEDADDRTYPE decodedaddr;


/*
** Repeat until:
** 1) "max_count" trace addresses (i.e. demand references) have
** been read.
** 2) the input trace has been exhausted.
**
** For each address (including any prefetch addresses):
** 1) call fetch() to get and interpret the address..
** 2) call update() to find the address in the priority stacks,
** perform side-effects (like starting a prefetch), update
** priority stacks, and update metrics.
** 3) If debugging is enabled, print some information.
**
*/
while (fetch(cachep,ctrlp,metricp,&decodedaddr)!=EOF) {

update(cachep,policyp,ctrlp,metricp,&decodedaddr);

if (ctrlp->debug>=DEBUG1) {
dumpaddr(ctrlp->tracecount,&decodedaddr);
if (ctrlp->debug>=DEBUG2) {
outputmetric(cachep,policyp,ctrlp,metricp);
}
dumpstate(cachep,policyp);
}

if (ctrlp->output==VERBOSE && (ctrlp->tracecount % 500001==0)) {
outputmetric(cachep,policyp,ctrlp,metricp);
}

} /* END OF MAIN LOOP */

/* flush cache at end of run */
flushcache(cachep,ctrlp,metricp);

if (ctrlp->tracecount > ctrlp->maxcount) {
printf("---Maximum address count exceeded.\n");
}

} /* ****************************************************************** */