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#include <stdio.h>
#include "sim.h"
#include "htif.h"
static void help()
{
fprintf(stderr, "usage: riscv-isa-run -f <fd> -t <fd> [additional options]\n");
fprintf(stderr, "Options:\n");
fprintf(stderr, " -f <fd> From-host pipe file descriptor\n");
fprintf(stderr, " -t <fd> To-host pipe file descriptor\n");
fprintf(stderr, " -p <n> Simulate <n> processors\n");
fprintf(stderr, " -d Interactive debug mode\n");
exit(1);
}
int main(int argc, char** argv)
{
bool debug = false;
int nprocs = 1;
int fromhost_fd = -1, tohost_fd = -1;
// parse command-line arguments
for(int c; (c = getopt(argc,argv,"hdp:f:t:")) != -1; )
{
switch(c)
{
case 'd':
debug = true;
break;
case 'p':
nprocs = atoi(optarg);
break;
case 'f':
fromhost_fd = atoi(optarg);
break;
case 't':
tohost_fd = atoi(optarg);
break;
default:
fprintf(stderr, "unknown option: -%c", optopt);
case 'h':
help();
}
}
// we require -f and -t to be specified so we can communicate with the host
if(fromhost_fd == -1 || tohost_fd == -1)
help();
// initialize host-target interface
htif_t htif(tohost_fd, fromhost_fd);
// initalize simulator and run to completion
sim_t s(nprocs, &htif);
s.run(debug);
}
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