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Sync with sys/i386/i386/machdep.c revision 1.326.

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This commit is contained in:
KATO Takenori 1999-02-16 11:07:06 +00:00
parent ce02431ffa
commit 7c9eb5b166
2 changed files with 16 additions and 4 deletions
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10
sys/pc98/i386/machdep.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.107 1999/02/04 09:55:42 kato Exp $
* $Id: machdep.c,v 1.108 1999/02/12 09:15:33 kato Exp $
*/
#include "apm.h"
@ -627,8 +627,14 @@ sendsig(catcher, sig, mask, code)
* We should never have PSL_T set when returning from vm86
* mode. It may be set here if we deliver a signal before
* getting to vm86 mode, so turn it off.
*
* Clear PSL_NT to inhibit T_TSSFLT faults on return from
* syscalls made by the signal handler. This just avoids
* wasting time for our lazy fixup of such faults. PSL_NT
* does nothing in vm86 mode, but vm86 programs can set it
* almost legitimately in probes for old cpu types.
*/
tf->tf_eflags &= ~(PSL_VM | PSL_T | PSL_VIF | PSL_VIP);
tf->tf_eflags &= ~(PSL_VM | PSL_NT | PSL_T | PSL_VIF | PSL_VIP);
}
#endif /* VM86 */

10
sys/pc98/pc98/machdep.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.107 1999/02/04 09:55:42 kato Exp $
* $Id: machdep.c,v 1.108 1999/02/12 09:15:33 kato Exp $
*/
#include "apm.h"
@ -627,8 +627,14 @@ sendsig(catcher, sig, mask, code)
* We should never have PSL_T set when returning from vm86
* mode. It may be set here if we deliver a signal before
* getting to vm86 mode, so turn it off.
*
* Clear PSL_NT to inhibit T_TSSFLT faults on return from
* syscalls made by the signal handler. This just avoids
* wasting time for our lazy fixup of such faults. PSL_NT
* does nothing in vm86 mode, but vm86 programs can set it
* almost legitimately in probes for old cpu types.
*/
tf->tf_eflags &= ~(PSL_VM | PSL_T | PSL_VIF | PSL_VIP);
tf->tf_eflags &= ~(PSL_VM | PSL_NT | PSL_T | PSL_VIF | PSL_VIP);
}
#endif /* VM86 */