getchar()
{
char buf[4];
int cnt;
if(Bios_Read(0, &buf, 1, &cnt) != 0)
return(-1);
return(buf[0] & 255);
}
int
biosgetc(dev_t dev)
{
int cnt;
char buf;
if (Bios_Read(0, &buf, 1, &cnt) != arc_ESUCCESS)
return -1;
return buf & 255;
}
int
bios_getchar()
{
char buf[4];
long cnt;
if (Bios_Read(0, &buf[0], 1, &cnt) != 0)
return(-1);
return(buf[0] & 255);
}
int
netstrategy(void *devdata, int rw, daddr32_t bn, size_t reqcnt, void *addr,
size_t *cnt)
{
long fd = (long)devdata;
long result;
int rc;
rc = Bios_Read(fd, addr, reqcnt, &result);
if (rc != 0)
return (EIO);
*cnt = result;
return 0;
}
int
diostrategy(void *devdata, int rw, daddr_t bn, u_int reqcnt,
char *addr, u_int *cnt)
{
struct dio_softc *sc = (struct dio_softc *)devdata;
struct partition *pp = &sc->sc_label.d_partitions[sc->sc_part];
int64_t offset;
int result;
offset = (pp->p_offset + bn) * DEV_BSIZE;
if ((Bios_Seek(sc->sc_fd, &offset, 0) < 0) ||
(Bios_Read(sc->sc_fd, addr, reqcnt, &result) < 0))
return EIO;
*cnt = result;
return (0);
}
