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Don't forget to set `runtime' in fork_trampoline(). The time slice before

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switching to a child for the first time was being counted twice.  I think
this only affected unimportant statistics.

Simplified arg handling in fork_trampoline().  splz() doesn't actually
smash the registers of interest.
This commit is contained in:
Bruce Evans 1997-04-13 16:58:08 +00:00
parent 5afcddae37
commit d12ee02d12
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=24900
3 changed files with 21 additions and 21 deletions
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14
sys/amd64/amd64/exception.S
View File

@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: exception.s,v 1.22 1997/04/07 07:15:48 peter Exp $
* $Id: exception.s,v 1.23 1997/04/07 11:42:09 peter Exp $
*/
#include "npx.h" /* NNPX */
@ -251,14 +251,14 @@ IDTVEC(int0x80_syscall)
jmp _doreti
ENTRY(fork_trampoline)
pushl %ebx /* splz smashes regs */
pushl %esi
movl $SWI_AST_MASK,%eax /* spl0() */
movl %eax,_cpl
movl $SWI_AST_MASK,_cpl
call _splz
popl %esi /* arg1 */
pushl $_runtime
call _microtime
popl %eax
pushl %ebx /* arg1 */
call %esi /* function */
addl $4,%esp
/* cut from syscall */

14
sys/amd64/amd64/exception.s
View File

@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: exception.s,v 1.22 1997/04/07 07:15:48 peter Exp $
* $Id: exception.s,v 1.23 1997/04/07 11:42:09 peter Exp $
*/
#include "npx.h" /* NNPX */
@ -251,14 +251,14 @@ IDTVEC(int0x80_syscall)
jmp _doreti
ENTRY(fork_trampoline)
pushl %ebx /* splz smashes regs */
pushl %esi
movl $SWI_AST_MASK,%eax /* spl0() */
movl %eax,_cpl
movl $SWI_AST_MASK,_cpl
call _splz
popl %esi /* arg1 */
pushl $_runtime
call _microtime
popl %eax
pushl %ebx /* arg1 */
call %esi /* function */
addl $4,%esp
/* cut from syscall */

14
sys/i386/i386/exception.s
View File

@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: exception.s,v 1.22 1997/04/07 07:15:48 peter Exp $
* $Id: exception.s,v 1.23 1997/04/07 11:42:09 peter Exp $
*/
#include "npx.h" /* NNPX */
@ -251,14 +251,14 @@ IDTVEC(int0x80_syscall)
jmp _doreti
ENTRY(fork_trampoline)
pushl %ebx /* splz smashes regs */
pushl %esi
movl $SWI_AST_MASK,%eax /* spl0() */
movl %eax,_cpl
movl $SWI_AST_MASK,_cpl
call _splz
popl %esi /* arg1 */
pushl $_runtime
call _microtime
popl %eax
pushl %ebx /* arg1 */
call %esi /* function */
addl $4,%esp
/* cut from syscall */