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block: add a transfer rate for floppy types

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Floppies must be read at a specific transfer rate, depending of its own format.
Update floppy description table to include required transfer rate.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hervé Poussineau 2012-02-06 22:29:07 +01:00 • committed by Kevin Wolf
parent a758f8f415
commit f8d3d12857
4 changed files with 52 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

74
block.c
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@ -2013,58 +2013,60 @@ typedef struct FDFormat {
uint8_t last_sect;
uint8_t max_track;
uint8_t max_head;
FDriveRate rate;
} FDFormat;
static const FDFormat fd_formats[] = {
/* First entry is default format */
/* 1.44 MB 3"1/2 floppy disks */
{ FDRIVE_DRV_144, 18, 80, 1, },
{ FDRIVE_DRV_144, 20, 80, 1, },
{ FDRIVE_DRV_144, 21, 80, 1, },
{ FDRIVE_DRV_144, 21, 82, 1, },
{ FDRIVE_DRV_144, 21, 83, 1, },
{ FDRIVE_DRV_144, 22, 80, 1, },
{ FDRIVE_DRV_144, 23, 80, 1, },
{ FDRIVE_DRV_144, 24, 80, 1, },
{ FDRIVE_DRV_144, 18, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 20, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 21, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 21, 82, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 21, 83, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 22, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 23, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_144, 24, 80, 1, FDRIVE_RATE_500K, },
/* 2.88 MB 3"1/2 floppy disks */
{ FDRIVE_DRV_288, 36, 80, 1, },
{ FDRIVE_DRV_288, 39, 80, 1, },
{ FDRIVE_DRV_288, 40, 80, 1, },
{ FDRIVE_DRV_288, 44, 80, 1, },
{ FDRIVE_DRV_288, 48, 80, 1, },
{ FDRIVE_DRV_288, 36, 80, 1, FDRIVE_RATE_1M, },
{ FDRIVE_DRV_288, 39, 80, 1, FDRIVE_RATE_1M, },
{ FDRIVE_DRV_288, 40, 80, 1, FDRIVE_RATE_1M, },
{ FDRIVE_DRV_288, 44, 80, 1, FDRIVE_RATE_1M, },
{ FDRIVE_DRV_288, 48, 80, 1, FDRIVE_RATE_1M, },
/* 720 kB 3"1/2 floppy disks */
{ FDRIVE_DRV_144, 9, 80, 1, },
{ FDRIVE_DRV_144, 10, 80, 1, },
{ FDRIVE_DRV_144, 10, 82, 1, },
{ FDRIVE_DRV_144, 10, 83, 1, },
{ FDRIVE_DRV_144, 13, 80, 1, },
{ FDRIVE_DRV_144, 14, 80, 1, },
{ FDRIVE_DRV_144, 9, 80, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_144, 10, 80, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_144, 10, 82, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_144, 10, 83, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_144, 13, 80, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_144, 14, 80, 1, FDRIVE_RATE_250K, },
/* 1.2 MB 5"1/4 floppy disks */
{ FDRIVE_DRV_120, 15, 80, 1, },
{ FDRIVE_DRV_120, 18, 80, 1, },
{ FDRIVE_DRV_120, 18, 82, 1, },
{ FDRIVE_DRV_120, 18, 83, 1, },
{ FDRIVE_DRV_120, 20, 80, 1, },
{ FDRIVE_DRV_120, 15, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_120, 18, 80, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_120, 18, 82, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_120, 18, 83, 1, FDRIVE_RATE_500K, },
{ FDRIVE_DRV_120, 20, 80, 1, FDRIVE_RATE_500K, },
/* 720 kB 5"1/4 floppy disks */
{ FDRIVE_DRV_120, 9, 80, 1, },
{ FDRIVE_DRV_120, 11, 80, 1, },
{ FDRIVE_DRV_120, 9, 80, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_120, 11, 80, 1, FDRIVE_RATE_250K, },
/* 360 kB 5"1/4 floppy disks */
{ FDRIVE_DRV_120, 9, 40, 1, },
{ FDRIVE_DRV_120, 9, 40, 0, },
{ FDRIVE_DRV_120, 10, 41, 1, },
{ FDRIVE_DRV_120, 10, 42, 1, },
{ FDRIVE_DRV_120, 9, 40, 1, FDRIVE_RATE_300K, },
{ FDRIVE_DRV_120, 9, 40, 0, FDRIVE_RATE_300K, },
{ FDRIVE_DRV_120, 10, 41, 1, FDRIVE_RATE_300K, },
{ FDRIVE_DRV_120, 10, 42, 1, FDRIVE_RATE_300K, },
/* 320 kB 5"1/4 floppy disks */
{ FDRIVE_DRV_120, 8, 40, 1, },
{ FDRIVE_DRV_120, 8, 40, 0, },
{ FDRIVE_DRV_120, 8, 40, 1, FDRIVE_RATE_250K, },
{ FDRIVE_DRV_120, 8, 40, 0, FDRIVE_RATE_250K, },
/* 360 kB must match 5"1/4 better than 3"1/2... */
{ FDRIVE_DRV_144, 9, 80, 0, },
{ FDRIVE_DRV_144, 9, 80, 0, FDRIVE_RATE_250K, },
/* end */
{ FDRIVE_DRV_NONE, -1, -1, 0, },
{ FDRIVE_DRV_NONE, -1, -1, 0, 0, },
};
void bdrv_get_floppy_geometry_hint(BlockDriverState *bs, int *nb_heads,
int *max_track, int *last_sect,
FDriveType drive_in, FDriveType *drive)
FDriveType drive_in, FDriveType *drive,
FDriveRate *rate)
{
const FDFormat *parse;
uint64_t nb_sectors, size;
@ -2073,6 +2075,7 @@ void bdrv_get_floppy_geometry_hint(BlockDriverState *bs, int *nb_heads,
bdrv_get_geometry_hint(bs, nb_heads, max_track, last_sect);
if (*nb_heads != 0 && *max_track != 0 && *last_sect != 0) {
/* User defined disk */
*rate = FDRIVE_RATE_500K;
} else {
bdrv_get_geometry(bs, &nb_sectors);
match = -1;
@ -2107,6 +2110,7 @@ void bdrv_get_floppy_geometry_hint(BlockDriverState *bs, int *nb_heads,
*max_track = parse->max_track;
*last_sect = parse->last_sect;
*drive = parse->drive;
*rate = parse->rate;
}
}