static int guess_disk_lchs(IDEState *s,
int *pcylinders, int *pheads, int *psectors)
{
- uint8_t *buf;
+ uint8_t *buf = s->io_buffer;
int ret, i, heads, sectors, cylinders;
struct partition *p;
uint32_t nr_sects;
- buf = qemu_memalign(512, 512);
- if (buf == NULL)
- return -1;
ret = bdrv_read(s->bs, 0, buf, 1);
if (ret < 0) {
- qemu_free(buf);
return -1;
}
/* test msdos magic */
if (buf[510] != 0x55 || buf[511] != 0xaa) {
- qemu_free(buf);
return -1;
}
for(i = 0; i < 4; i++) {
printf("guessed geometry: LCHS=%d %d %d\n",
cylinders, heads, sectors);
#endif
- qemu_free(buf);
return 0;
}
}
- qemu_free(buf);
return -1;
}