Module Name: src
Committed By: reinoud
Date: Sat Aug 27 21:17:27 UTC 2011
Modified Files:
src/sys/arch/usermode/usermode: syscall.c
Log Message:
Add dirty copy of child_return()
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/usermode/usermode/syscall.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/usermode/syscall.c
diff -u src/sys/arch/usermode/usermode/syscall.c:1.2 src/sys/arch/usermode/usermode/syscall.c:1.3
--- src/sys/arch/usermode/usermode/syscall.c:1.2 Wed Oct 21 16:07:00 2009
+++ src/sys/arch/usermode/usermode/syscall.c Sat Aug 27 21:17:26 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: syscall.c,v 1.2 2009/10/21 16:07:00 snj Exp $ */
+/* $NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,21 +27,37 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.2 2009/10/21 16:07:00 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
+#include <sys/lwp.h>
+#include <sys/sched.h>
+#include <sys/userret.h>
+#include <machine/pcb.h>
void syscall(void);
void
child_return(void *arg)
{
+printf("child returned! arg %p\n", arg);
+printf("xxx now what? switch to `userland' i.e. new code?\n");
+ lwp_t *l = arg;
+// struct pcb *pcb = lwp_getpcb(l);
+// struct trapframe *frame = pcb->pcb_tf;
+
+/* XXX? */
+ //frame->tf_r0 = 0;
+
+ mi_userret(l);
+// ktrsysret(SYS_fork, 0, 0);
}
void
syscall(void)
{
+printf("syscall called !\n");
}
