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Only poll the keyboard if the data left in the buffer is from the

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kbd, not if its from the psm device.
This commit is contained in:
Søren Schmidt 1996-11-15 08:45:24 +00:00
parent 3dc9f2bb59
commit 73e0f79f04
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=19771
3 changed files with 15 additions and 15 deletions
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10
sys/dev/syscons/syscons.c
View file

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.c,v 1.182.2.3 1996/11/12 09:08:53 phk Exp $
* $Id: syscons.c,v 1.187 1996/11/14 22:19:14 sos Exp $
*/
#include "sc.h"
@ -1459,12 +1459,12 @@ scrn_timer()
/*
* With release 2.1 of the Xaccel server, the keyboard is left
* hanging pretty often. Apparently the interrupt from the
* hanging pretty often. Apparently an interrupt from the
* keyboard is lost, and I don't know why (yet).
* This Ugly hack calls scintr if input is ready and
* conveniently hides the problem. XXX
* This ugly hack calls scintr if input is ready for the keyboard
* and conveniently hides the problem. XXX
*/
if (inb(sc_port + KBD_STATUS_PORT) & KBDS_KBD_BUFFER_FULL)
if ((inb(sc_port+KBD_STATUS_PORT)&KBDS_BUFFER_FULL) == KBDS_KBD_BUFFER_FULL)
scintr(0);
/* should we just return ? */

10
sys/i386/isa/syscons.c
View file

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.c,v 1.182.2.3 1996/11/12 09:08:53 phk Exp $
* $Id: syscons.c,v 1.187 1996/11/14 22:19:14 sos Exp $
*/
#include "sc.h"
@ -1459,12 +1459,12 @@ scrn_timer()
/*
* With release 2.1 of the Xaccel server, the keyboard is left
* hanging pretty often. Apparently the interrupt from the
* hanging pretty often. Apparently an interrupt from the
* keyboard is lost, and I don't know why (yet).
* This Ugly hack calls scintr if input is ready and
* conveniently hides the problem. XXX
* This ugly hack calls scintr if input is ready for the keyboard
* and conveniently hides the problem. XXX
*/
if (inb(sc_port + KBD_STATUS_PORT) & KBDS_KBD_BUFFER_FULL)
if ((inb(sc_port+KBD_STATUS_PORT)&KBDS_BUFFER_FULL) == KBDS_KBD_BUFFER_FULL)
scintr(0);
/* should we just return ? */

10
sys/isa/syscons.c
View file

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.c,v 1.182.2.3 1996/11/12 09:08:53 phk Exp $
* $Id: syscons.c,v 1.187 1996/11/14 22:19:14 sos Exp $
*/
#include "sc.h"
@ -1459,12 +1459,12 @@ scrn_timer()
/*
* With release 2.1 of the Xaccel server, the keyboard is left
* hanging pretty often. Apparently the interrupt from the
* hanging pretty often. Apparently an interrupt from the
* keyboard is lost, and I don't know why (yet).
* This Ugly hack calls scintr if input is ready and
* conveniently hides the problem. XXX
* This ugly hack calls scintr if input is ready for the keyboard
* and conveniently hides the problem. XXX
*/
if (inb(sc_port + KBD_STATUS_PORT) & KBDS_KBD_BUFFER_FULL)
if ((inb(sc_port+KBD_STATUS_PORT)&KBDS_BUFFER_FULL) == KBDS_KBD_BUFFER_FULL)
scintr(0);
/* should we just return ? */