1 /*	$NetBSD: linux_machdep.h,v 1.21 2002/02/15 16:48:00 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 1995, 2000 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 #include <compat/linux/common/linux_signal.h>
43 
44 /*
45  * The Linux sigcontext, pretty much a standard 386 trapframe.
46  */
47 
48 struct linux_sigcontext {
49 	int	sc_gs;
50 	int	sc_fs;
51 	int	sc_es;
52 	int	sc_ds;
53 	int	sc_edi;
54 	int	sc_esi;
55 	int	sc_ebp;
56 	int	sc_esp;
57 	int	sc_ebx;
58 	int	sc_edx;
59 	int	sc_ecx;
60 	int	sc_eax;
61 	int	sc_trapno;
62 	int	sc_err;
63 	int	sc_eip;
64 	int	sc_cs;
65 	int	sc_eflags;
66 	int	sc_esp_at_signal;
67 	int	sc_ss;
68 	int	sc_387;
69 	/* XXX check this */
70 	linux_old_sigset_t sc_mask;
71 	int	sc_cr2;
72 };
73 
74 /*
75  * We make the stack look like Linux expects it when calling a signal
76  * handler, but use the BSD way of calling the handler and sigreturn().
77  * This means that we need to pass the pointer to the handler too.
78  * It is appended to the frame to not interfere with the rest of it.
79  */
80 
81 struct linux_sigframe {
82 	int	sf_sig;
83 	struct	linux_sigcontext sf_sc;
84 	sig_t	sf_handler;
85 };
86 
87 #ifdef _KERNEL
88 __BEGIN_DECLS
89 void linux_sendsig __P((sig_t, int, sigset_t *, u_long));
90 __END_DECLS
91 #endif /* _KERNEL */
92 
93 /*
94  * Major device numbers of VT device on both Linux and NetBSD. Used in
95  * ugly patch to fake device numbers.
96  */
97 #define LINUX_CONS_MAJOR   4
98 #define NETBSD_WSCONS_MAJOR 47
99 
100 /*
101  * Linux ioctl calls for the keyboard.
102  */
103 #define LINUX_KDGKBMODE   0x4b44
104 #define LINUX_KDSKBMODE   0x4b45
105 #define LINUX_KDMKTONE    0x4b30
106 #define LINUX_KDSETMODE   0x4b3a
107 #define LINUX_KDGETMODE   0x4b3b
108 #define LINUX_KDENABIO    0x4b36
109 #define LINUX_KDDISABIO   0x4b37
110 #define LINUX_KDGETLED    0x4b31
111 #define LINUX_KDSETLED    0x4b32
112 #define LINUX_KDGKBTYPE   0x4b33
113 #define LINUX_KDGKBENT    0x4b46
114 #define LINUX_KIOCSOUND   0x4b2f
115 
116 /*
117  * Mode for KDSKBMODE which we don't have (we just use plain mode for this)
118  */
119 #define LINUX_K_MEDIUMRAW 2
120 
121 /*
122  * VT ioctl calls in Linux (the ones that the pcvt emulation in wscons can handle)
123  */
124 #define LINUX_VT_OPENQRY    0x5600
125 #define LINUX_VT_GETMODE    0x5601
126 #define LINUX_VT_SETMODE    0x5602
127 #define LINUX_VT_GETSTATE   0x5603
128 #define LINUX_VT_RELDISP    0x5605
129 #define LINUX_VT_ACTIVATE   0x5606
130 #define LINUX_VT_WAITACTIVE 0x5607
131 #define LINUX_VT_DISALLOCATE	0x5608
132 
133 /*
134  * This range used by VMWare (XXX)
135  */
136 #define LINUX_VMWARE_NONE 200
137 #define LINUX_VMWARE_LAST 237
138 
139 /*
140  * Range of ioctls to just pass on, so that LKMs (like VMWare) can
141  * handle them.
142  */
143 #define LINUX_IOCTL_MIN_PASS	LINUX_VMWARE_NONE
144 #define LINUX_IOCTL_MAX_PASS	(LINUX_VMWARE_LAST+8)
145 
146 #ifdef _KERNEL
147 __BEGIN_DECLS
148 void linux_syscall_intern __P((struct proc *));
149 __END_DECLS
150 #endif /* !_KERNEL */
151 
152 #endif /* _I386_LINUX_MACHDEP_H */
153