xref: /netbsd/sys/arch/powerpc/include/proc.h (revision b87a5329)
1 /*	$NetBSD: proc.h,v 1.15 2021/03/07 14:31:53 rin Exp $	*/
2 
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 
34 #ifndef _POWERPC_PROC_H_
35 #define _POWERPC_PROC_H_
36 
37 #ifdef _KERNEL_OPT
38 #include "opt_modular.h"
39 #include "opt_ppcarch.h"
40 #endif
41 
42 /*
43  * Machine-dependent part of the lwp structure
44  */
45 struct mdlwp {
46 	volatile int md_flags;
47 	volatile int md_astpending;
48 	struct trapframe *md_utf;		/* user trampframe */
49 };
50 
51 struct trapframe;
52 
53 struct mdproc {
54 	void (*md_syscall)(struct trapframe *);
55 #if defined(PPC_BOOKE) || defined(PPC_IBM4XX) || \
56     ((defined(MODULAR) || defined(_MODULE)) && !defined(_LP64))
57 	vaddr_t md_ss_addr[2];
58 	uint32_t md_ss_insn[2];
59 #endif
60 };
61 
62 #ifdef _KERNEL
63 #define	LWP0_CPU_INFO	&cpu_info[0]
64 #define	LWP0_MD_INITIALIZER {	\
65 		.md_flags = 0, \
66 		.md_utf = (void *)0xdeadbeef, \
67 	}
68 #endif /* _KERNEL */
69 
70 #endif /* _POWERPC_PROC_H_ */
71