| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
1 | /* $NetBSD: syscall.c,v 1.2 2009/10/21 16:07:00 snj Exp $ */ | | 1 | /* $NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> | | 4 | * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
| @@ -17,31 +17,47 @@ | | | @@ -17,31 +17,47 @@ |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. | | 26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ | | 27 | */ |
28 | | | 28 | |
29 | #include <sys/cdefs.h> | | 29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.2 2009/10/21 16:07:00 snj Exp $"); | | 30 | __KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $"); |
31 | | | 31 | |
32 | #include <sys/types.h> | | 32 | #include <sys/types.h> |
33 | #include <sys/param.h> | | 33 | #include <sys/param.h> |
34 | #include <sys/systm.h> | | 34 | #include <sys/systm.h> |
35 | #include <sys/proc.h> | | 35 | #include <sys/proc.h> |
| | | 36 | #include <sys/lwp.h> |
| | | 37 | #include <sys/sched.h> |
| | | 38 | #include <sys/userret.h> |
| | | 39 | #include <machine/pcb.h> |
36 | | | 40 | |
37 | void syscall(void); | | 41 | void syscall(void); |
38 | | | 42 | |
39 | void | | 43 | void |
40 | child_return(void *arg) | | 44 | child_return(void *arg) |
41 | { | | 45 | { |
| | | 46 | printf("child returned! arg %p\n", arg); |
| | | 47 | printf("xxx now what? switch to `userland' i.e. new code?\n"); |
| | | 48 | lwp_t *l = arg; |
| | | 49 | // struct pcb *pcb = lwp_getpcb(l); |
| | | 50 | // struct trapframe *frame = pcb->pcb_tf; |
| | | 51 | |
| | | 52 | /* XXX? */ |
| | | 53 | //frame->tf_r0 = 0; |
| | | 54 | |
| | | 55 | mi_userret(l); |
| | | 56 | // ktrsysret(SYS_fork, 0, 0); |
42 | } | | 57 | } |
43 | | | 58 | |
44 | void | | 59 | void |
45 | syscall(void) | | 60 | syscall(void) |
46 | { | | 61 | { |
| | | 62 | printf("syscall called !\n"); |
47 | } | | 63 | } |