PERFORCE change 28597 for review
Marcel Moolenaar
marcel at FreeBSD.org
Tue Apr 8 19:07:50 PDT 2003
http://perforce.freebsd.org/chv.cgi?CH=28597
Change 28597 by marcel at marcel_nfs on 2003/04/08 19:07:43
In cpu_fork(): call cpu_set_fork_handler() to initialize the
PCB for the callout function. This centralizes the details
and makes it easier to change.
As a side-effect, we now don't set r5 anymore. It was not
needed anyway.
Affected files ...
.. //depot/projects/ia64_epc/sys/ia64/ia64/vm_machdep.c#6 edit
Differences ...
==== //depot/projects/ia64_epc/sys/ia64/ia64/vm_machdep.c#6 (text+ko) ====
@@ -289,11 +289,9 @@
* ABI - a function can assume that the 16 bytes above sp are
* available as scratch space.
*/
- td2->td_pcb->pcb_special.sp = (u_int64_t)p2tf - 16;
- td2->td_pcb->pcb_preserved.gr4 = (u_int64_t)fork_return;
- td2->td_pcb->pcb_preserved.gr5 = FDESC_FUNC(exception_restore);
- td2->td_pcb->pcb_preserved.gr6 = (u_int64_t)td2;
+ td2->td_pcb->pcb_special.sp = (u_int64_t)p2tf - 16;
td2->td_pcb->pcb_special.rp = FDESC_FUNC(fork_trampoline);
+ cpu_set_fork_handler(td2, (void (*)(void*))fork_return, td2);
}
/*
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