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#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <merror.h>
#include "fault.h"
#include "sim.h"
static void help(void) {
printf("usage: msim [options] executable\n\n");
printf("options:\n");
printf("\t-h\t\tprints this help messaage\n");
printf("\t-j\t\tdisable jump delay slot\n");
printf("\t-d\t\truns the debugger\n");
}
int main(int argc, char **argv) {
struct simulator sim;
struct simulator_args args = {
.executable = NULL,
.debug = false,
.jdelay = true,
};
int c;
while ((c = getopt(argc, argv, "hjd")) != 1) {
switch (c) {
case 'h':
help();
return M_SUCCESS;
case 'j':
args.jdelay = false;
break;
case 'd':
args.debug = true;
break;
case '?':
return M_ERROR;
default:
goto next;
}
}
next:
if (optind < argc - 1) {
ERROR("too many executables passed");
return M_ERROR;
}
if (optind >= argc) {
ERROR("no executable passed");
return M_ERROR;
}
/// set file name
args.executable = argv[optind];
/// create handlers
init_handlers(&sim);
/// init
if (sim_init(&sim, &args))
return M_ERROR;
/* _Noreturn */
if (args.debug)
sim_debug(&sim);
else
sim_run(&sim);
}
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