diff options
| author | David Greenman <dg@FreeBSD.org> | 1996-01-30 12:56:30 +0000 |
|---|---|---|
| committer | David Greenman <dg@FreeBSD.org> | 1996-01-30 12:56:30 +0000 |
| commit | a1f403f52215f0af45f75bb4187e62091c0845bc (patch) | |
| tree | f586ce05b33995597d75ec5cdea3fc89a9683d20 | |
| parent | 35b06fb39eb10aac12118e13abc1d7a1bc877484 (diff) | |
Notes
| -rw-r--r-- | sys/i386/i386/swtch.s | 7 | ||||
| -rw-r--r-- | sys/i386/i386/vm_machdep.c | 14 |
2 files changed, 7 insertions, 14 deletions
diff --git a/sys/i386/i386/swtch.s b/sys/i386/i386/swtch.s index a232de20c19f..94b61105c81d 100644 --- a/sys/i386/i386/swtch.s +++ b/sys/i386/i386/swtch.s @@ -33,7 +33,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: swtch.s,v 1.20.4.1 1996/01/29 12:28:27 davidg Exp $ + * $Id: swtch.s,v 1.20.4.2 1996/01/30 09:19:27 davidg Exp $ */ #include "npx.h" /* for NNPX */ @@ -508,7 +508,7 @@ ENTRY(mvesp) * Update pcb, saving current processor state. */ ENTRY(savectx) - /* PCB */ + /* fetch PCB */ movl 4(%esp),%ecx /* caller's return address - child won't execute this routine */ @@ -517,7 +517,8 @@ ENTRY(savectx) movl $1,PCB_EAX(%ecx) /* return 1 in child */ movl %ebx,PCB_EBX(%ecx) - movl %esp,PCB_ESP(%ecx) + leal 4(%esp),%eax /* stack minus return address */ + movl %eax,PCB_ESP(%ecx) movl %ebp,PCB_EBP(%ecx) movl %esi,PCB_ESI(%ecx) movl %edi,PCB_EDI(%ecx) diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c index e15586c6183d..4cb9eb318d13 100644 --- a/sys/i386/i386/vm_machdep.c +++ b/sys/i386/i386/vm_machdep.c @@ -38,7 +38,7 @@ * * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ - * $Id: vm_machdep.c,v 1.39 1995/05/30 07:59:46 rgrimes Exp $ + * $Id: vm_machdep.c,v 1.39.4.1 1996/01/29 12:28:28 davidg Exp $ */ #include "npx.h" @@ -571,17 +571,9 @@ cpu_fork(p1, p2) pmap_activate(&p2->p_vmspace->vm_pmap, &up->u_pcb); /* - * - * Arrange for a non-local goto when the new process - * is started, to resume here, returning nonzero from setjmp. + * Return (0) in parent, (1) in child. */ - if (savectx(&up->u_pcb)) { - /* - * Return 1 in child. - */ - return (1); - } - return (0); + return (savectx(&up->u_pcb)); } void |