diff options
Diffstat (limited to 'hw/hd-geometry.c')
| -rw-r--r-- | hw/hd-geometry.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/hw/hd-geometry.c b/hw/hd-geometry.c index 1a58894cf0..fb849a3e12 100644 --- a/hw/hd-geometry.c +++ b/hw/hd-geometry.c @@ -119,8 +119,7 @@ static void guess_chs_for_size(BlockDriverState *bs, void hd_geometry_guess(BlockDriverState *bs, int *pcyls, int *pheads, int *psecs) { - int translation, lba_detected = 0; - int cylinders, heads, secs; + int cylinders, heads, secs, translation; bdrv_get_geometry_hint(bs, &cylinders, &heads, &secs); translation = bdrv_get_translation_hint(bs); @@ -135,23 +134,18 @@ void hd_geometry_guess(BlockDriverState *bs, if (guess_disk_lchs(bs, &cylinders, &heads, &secs) < 0) { /* no LCHS guess: use a standard physical disk geometry */ - default_geometry: guess_chs_for_size(bs, pcyls, pheads, psecs); - if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO)) { - if ((*pcyls * *pheads) <= 131072) { - bdrv_set_translation_hint(bs, - BIOS_ATA_TRANSLATION_LARGE); - } else { - bdrv_set_translation_hint(bs, - BIOS_ATA_TRANSLATION_LBA); - } - } } else if (heads > 16) { /* LCHS guess with heads > 16 means that a BIOS LBA translation was active, so a standard physical disk geometry is OK */ - lba_detected = 1; - goto default_geometry; + guess_chs_for_size(bs, pcyls, pheads, psecs); + if (translation == BIOS_ATA_TRANSLATION_AUTO) { + bdrv_set_translation_hint(bs, + *pcyls * *pheads <= 131072 + ? BIOS_ATA_TRANSLATION_LARGE + : BIOS_ATA_TRANSLATION_LBA); + } } else { /* LCHS guess with heads <= 16: use as physical geometry */ *pcyls = cylinders; |