xref: /netbsd-src/sys/compat/linux/arch/i386/linux_machdep.h (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: linux_machdep.h,v 1.12 2000/06/11 09:21:16 veego Exp $	*/
2 
3 /*-
4  * Copyright (c) 1995 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _I386_LINUX_MACHDEP_H
40 #define _I386_LINUX_MACHDEP_H
41 
42 /*
43  * The Linux sigcontext, pretty much a standard 386 trapframe.
44  */
45 
46 struct linux_sigcontext {
47 	int	sc_gs;
48 	int	sc_fs;
49 	int	sc_es;
50 	int	sc_ds;
51 	int	sc_edi;
52 	int	sc_esi;
53 	int	sc_ebp;
54 	int	sc_esp;
55 	int	sc_ebx;
56 	int	sc_edx;
57 	int	sc_ecx;
58 	int	sc_eax;
59 	int	sc_trapno;
60 	int	sc_err;
61 	int	sc_eip;
62 	int	sc_cs;
63 	int	sc_eflags;
64 	int	sc_esp_at_signal;
65 	int	sc_ss;
66 	int	sc_387;
67 	/* XXX check this */
68 	linux_old_sigset_t sc_mask;
69 	int	sc_cr2;
70 };
71 
72 /*
73  * We make the stack look like Linux expects it when calling a signal
74  * handler, but use the BSD way of calling the handler and sigreturn().
75  * This means that we need to pass the pointer to the handler too.
76  * It is appended to the frame to not interfere with the rest of it.
77  */
78 
79 struct linux_sigframe {
80 	int	sf_sig;
81 	struct	linux_sigcontext sf_sc;
82 	sig_t	sf_handler;
83 };
84 
85 #ifdef _KERNEL
86 __BEGIN_DECLS
87 void linux_sendsig __P((sig_t, int, sigset_t *, u_long));
88 dev_t linux_fakedev __P((dev_t));
89 __END_DECLS
90 #endif /* _KERNEL */
91 
92 /*
93  * Major device numbers of VT device on both Linux and NetBSD. Used in
94  * ugly patch to fake device numbers.
95  */
96 #define LINUX_CONS_MAJOR   4
97 #define NETBSD_WSCONS_MAJOR 47
98 
99 /*
100  * Linux ioctl calls for the keyboard.
101  */
102 #define LINUX_KDGKBMODE   0x4b44
103 #define LINUX_KDSKBMODE   0x4b45
104 #define LINUX_KDMKTONE    0x4b30
105 #define LINUX_KDSETMODE   0x4b3a
106 #define LINUX_KDENABIO    0x4b36
107 #define LINUX_KDDISABIO   0x4b37
108 #define LINUX_KDGETLED    0x4b31
109 #define LINUX_KDSETLED    0x4b32
110 #define LINUX_KDGKBTYPE   0x4B33
111 #define LINUX_KDGKBENT    0x4B46
112 
113 /*
114  * Mode for KDSKBMODE which we don't have (we just use plain mode for this)
115  */
116 #define LINUX_K_MEDIUMRAW 2
117 
118 /*
119  * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle)
120  */
121 #define LINUX_VT_OPENQRY    0x5600
122 #define LINUX_VT_GETMODE    0x5601
123 #define LINUX_VT_SETMODE    0x5602
124 #define LINUX_VT_GETSTATE   0x5603
125 #define LINUX_VT_RELDISP    0x5605
126 #define LINUX_VT_ACTIVATE   0x5606
127 #define LINUX_VT_WAITACTIVE 0x5607
128 
129 #endif /* _I386_LINUX_MACHDEP_H */
130