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linux_machdep.h revision 1.21 
      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