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Fixed atapi block size bug.

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svn path=/trunk/; revision=2762
This commit is contained in:
Eric Kohl 2002-03-22 20:31:26 +00:00
parent 3b1645e839
commit a613171558
1 changed files with 13 additions and 3 deletions
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16
reactos/drivers/storage/atapi/atapi.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: atapi.c,v 1.14 2002/03/19 00:48:52 ekohl Exp $
/* $Id: atapi.c,v 1.15 2002/03/22 20:31:26 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS ATAPI miniport driver
@ -773,6 +773,7 @@ AtapiInterrupt(IN PVOID DeviceExtension)
if (IDEReadStatus(CommandPortBase) & IDE_SR_DRQ)
{
/* FIXME: Handle error! */
DPRINT1("AtapiInterrupt(): data overrun error!");
}
}
@ -796,6 +797,7 @@ AtapiInterrupt(IN PVOID DeviceExtension)
if (IDEReadStatus(CommandPortBase) & IDE_SR_DRQ)
{
/* FIXME: Handle error! */
DPRINT1("AtapiInterrupt(): data overrun error!");
}
DevExt->ExpectingInterrupt = FALSE;
@ -1429,8 +1431,16 @@ AtapiSendAtapiCommand(IN PATAPI_MINIPORT_EXTENSION DeviceExtension,
#endif
}
ByteCountLow = 12;
ByteCountHigh = 0;
if (Srb->DataTransferLength < 0x10000)
{
ByteCountLow = (UCHAR)(Srb->DataTransferLength & 0xFF);
ByteCountHigh = (UCHAR)(Srb->DataTransferLength >> 8);
}
else
{
ByteCountLow = 0xFF;
ByteCountHigh = 0xFF;
}
/* Set command packet length */
IDEWriteCylinderHigh(DeviceExtension->CommandPortBase, ByteCountHigh);