diff options
| author | Pavel Hrdina <phrdina@redhat.com> | 2012-07-16 15:48:26 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-07-17 16:48:32 +0200 |
| commit | 6d013772c03e916adc3d57868542854311489b51 (patch) | |
| tree | 62693b2affea59814ff2131c6764fbe1af112532 /hw/fdc.c | |
| parent | 2f24e8fb8d684f576f3dcced820860d70652a7f9 (diff) | |
| download | focaccia-qemu-6d013772c03e916adc3d57868542854311489b51.tar.gz focaccia-qemu-6d013772c03e916adc3d57868542854311489b51.zip | |
fdc: fix relative seek
Signed-off-by: Pavel Hrdina <phrdina@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/fdc.c')
| -rw-r--r-- | hw/fdc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/fdc.c b/hw/fdc.c index 41191c76c0..08830c1ba2 100644 --- a/hw/fdc.c +++ b/hw/fdc.c @@ -1802,7 +1802,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct } } -static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction) +static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction) { FDrive *cur_drv; @@ -1812,14 +1812,15 @@ static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction) fd_seek(cur_drv, cur_drv->head, cur_drv->max_track - 1, cur_drv->sect, 1); } else { - fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1); + fd_seek(cur_drv, cur_drv->head, + cur_drv->track + fdctrl->fifo[2], cur_drv->sect, 1); } fdctrl_reset_fifo(fdctrl); /* Raise Interrupt */ fdctrl_raise_irq(fdctrl, FD_SR0_SEEK); } -static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction) +static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction) { FDrive *cur_drv; @@ -1828,7 +1829,8 @@ static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction) if (fdctrl->fifo[2] > cur_drv->track) { fd_seek(cur_drv, cur_drv->head, 0, cur_drv->sect, 1); } else { - fd_seek(cur_drv, cur_drv->head, fdctrl->fifo[2], cur_drv->sect, 1); + fd_seek(cur_drv, cur_drv->head, + cur_drv->track - fdctrl->fifo[2], cur_drv->sect, 1); } fdctrl_reset_fifo(fdctrl); /* Raise Interrupt */ |