xref: /freebsd/sys/powerpc/include/proc.h (revision 9b5631807ebc64e1fdfd2b23e402d79aec6b47c5)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5  * Copyright (C) 1995, 1996 TooLs GmbH.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by TooLs GmbH.
19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  *	$NetBSD: proc.h,v 1.2 1997/04/16 22:57:48 thorpej Exp $
34  * $FreeBSD$
35  */
36 
37 #ifndef _MACHINE_PROC_H_
38 #define	_MACHINE_PROC_H_
39 
40 struct pmap_invl_gen {
41 	u_long gen;			/* (k) */
42 	LIST_ENTRY(pmap_invl_gen) link;	/* (pp) */
43 };
44 
45 /*
46  * Machine-dependent part of the proc structure
47  */
48 struct mdthread {
49 	int	md_spinlock_count;	/* (k) */
50 	register_t md_saved_msr;	/* (k) */
51 	struct pmap_invl_gen md_invl_gen;
52 };
53 
54 struct mdproc {
55 	/*
56 	 * Avoid empty structs because they are undefined behavior.
57 	 */
58 	long	md_spare;
59 };
60 
61 #ifdef __powerpc64__
62 #define	KINFO_PROC_SIZE 1088
63 #define	KINFO_PROC32_SIZE 816
64 #else
65 #define	KINFO_PROC_SIZE 816
66 #endif
67 
68 struct syscall_args {
69 	u_int code;
70 	struct sysent *callp;
71 	register_t args[10];
72 	int narg;
73 };
74 
75 #ifdef _KERNEL
76 
77 #include <machine/pcb.h>
78 
79 /* Get the current kernel thread stack usage. */
80 #define	GET_STACK_USAGE(total, used) do {				\
81 	struct thread *td = curthread;					\
82 	(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb);	\
83 	(used) = (char *)td->td_kstack +				\
84 	    td->td_kstack_pages * PAGE_SIZE -				\
85 	    (char *)&td;						\
86 } while (0)
87 #endif
88 
89 #endif /* !_MACHINE_PROC_H_ */
90