Am 05.06.2012 17:50, schrieb Pavel Hrdina:
> Sorry, I forget the qtest. I'll create it and send it again.
>
> Pavel
>
> On 06/05/2012 05:46 PM, Pavel Hrdina wrote:
>> The Windows uses 'READ' command at the start of an instalation
>> without checking the 'dir' register. We have to abort the transfer
>> with an abnormal termination if there is no media in the drive.
>>
>> We have to also check the 'media_change' bit in the 'fd_seek'. This
>> internal seek clears the 'media_change' bit, too, if there is
>> a media inserted.
>>
>> Signed-off-by: Pavel Hrdina<phrd...@redhat.com>
>> ---
>> hw/fdc.c | 7 ++++++-
>> 1 files changed, 6 insertions(+), 1 deletions(-)
>>
>> diff --git a/hw/fdc.c b/hw/fdc.c
>> index 30d34e3..2d6dd30 100644
>> --- a/hw/fdc.c
>> +++ b/hw/fdc.c
>> @@ -127,8 +127,13 @@ static int fd_seek(FDrive *drv, uint8_t head, uint8_t
>> track, uint8_t sect,
>> uint32_t sector;
>> int ret;
>>
>> + if (drv->bs != NULL&& bdrv_is_inserted(drv->bs)) {
>> + drv->media_changed = 0;
>> + }
>> +
>> if (track> drv->max_track ||
>> - (head != 0&& (drv->flags& FDISK_DBL_SIDES) == 0)) {
>> + (head != 0&& (drv->flags& FDISK_DBL_SIDES) == 0) ||
>> + drv->media_changed) {
Why not directly use bdrv_is_inserted() here?
Fiddling around with media_changed feels rather hacky and is strictly
speaking incorrect because a step pulse is not guaranteed to happen in
the following code. The floppy code doesn't get it quite right today
anyway, but a hack like this would contribute to the problem.
>> FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
>> head, track, sect, 1,
>> (drv->flags& FDISK_DBL_SIDES) == 0 ? 0 : 1,
Kevin
