/*
* memcmp dev1 dev2 offset pages
*/
int main (int argc, char **argv)
{
unsigned int offset, size, i;
char *addr1, *addr2;
/*
* Sanity check.
*/
if (argc != 5)
{
fprintf (stderr, "Usage: mapcmp dev1 dev2 offset pages\n");
exit (1);
}
/*
* Map the two devices.
*/
offset = atoi (argv[3]);
size = atoi (argv[4]);
addr1 = mapdev (argv[1], offset, size);
addr2 = mapdev (argv[2], offset, size);
/*
* Do the comparison.
*/
printf ("Comparing...");
fflush (stdout);
for (i = 0; i < size; i++)
if (*addr1++ != *addr2++)
{
printf ("areas differ at byte %d\n", i);
exit (0);
}
printf ("areas are identical.\n");
exit (0);
}
int
cgtwomatch(struct device *parent, void *vcf, void *aux)
{
struct cfdata *cf = vcf;
struct confargs *ca = aux;
struct romaux *ra = &ca->ca_ra;
caddr_t tmp;
if (strcmp(cf->cf_driver->cd_name, ra->ra_name))
return (0);
if (!CPU_ISSUN4 || ca->ca_bustype != BUS_VME16)
return (0);
/* XXX - Must do our own mapping at CG2_CTLREG_OFF */
bus_untmp();
tmp = (caddr_t)mapdev(ra->ra_reg, TMPMAP_VA, CG2_CTLREG_OFF, NBPG);
if (probeget(tmp, 2) != -1)
return (1);
return (0);
}
