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linux_machdep.h revision 1.8 
      1 /*	$NetBSD: linux_machdep.h,v 1.8 1998/10/01 02:22:01 erh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Frank van der Linden
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed for the NetBSD Project
     18  *      by Frank van der Linden
     19  * 4. The name of the author 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 THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _I386_LINUX_MACHDEP_H
     35 #define _I386_LINUX_MACHDEP_H
     36 
     37 /*
     38  * The Linux sigcontext, pretty much a standard 386 trapframe.
     39  */
     40 
     41 struct linux_sigcontext {
     42 	int	sc_gs;
     43 	int	sc_fs;
     44 	int	sc_es;
     45 	int	sc_ds;
     46 	int	sc_edi;
     47 	int	sc_esi;
     48 	int	sc_ebp;
     49 	int	sc_esp;
     50 	int	sc_ebx;
     51 	int	sc_edx;
     52 	int	sc_ecx;
     53 	int	sc_eax;
     54 	int	sc_trapno;
     55 	int	sc_err;
     56 	int	sc_eip;
     57 	int	sc_cs;
     58 	int	sc_eflags;
     59 	int	sc_esp_at_signal;
     60 	int	sc_ss;
     61 	int	sc_387;
     62 /* XXX XAX is this sigset_t? old_sigset_t? */
     63 /* XXX XAX what happens with RT sigs? */
     64 	linux_sigset_t sc_mask;
     65 	int	sc_cr2;
     66 };
     67 
     68 /*
     69  * We make the stack look like Linux expects it when calling a signal
     70  * handler, but use the BSD way of calling the handler and sigreturn().
     71  * This means that we need to pass the pointer to the handler too.
     72  * It is appended to the frame to not interfere with the rest of it.
     73  */
     74 
     75 struct linux_sigframe {
     76 	int	sf_sig;
     77 	struct	linux_sigcontext sf_sc;
     78 	sig_t	sf_handler;
     79 };
     80 
     81 #ifdef _KERNEL
     82 __BEGIN_DECLS
     83 void linux_sendsig __P((sig_t, int, sigset_t *, u_long));
     84 dev_t linux_fakedev __P((dev_t));
     85 __END_DECLS
     86 #endif /* _KERNEL */
     87 
     88 /*
     89  * Major device numbers of VT device on both Linux and NetBSD. Used in
     90  * ugly patch to fake device numbers.
     91  */
     92 #define LINUX_CONS_MAJOR   4
     93 #define NETBSD_PCCONS_MAJOR 12
     94 #define NETBSD_WSCONS_MAJOR 47
     95 
     96 /*
     97  * Linux ioctl calls for the keyboard.
     98  */
     99 #define LINUX_KDGKBMODE   0x4b44
    100 #define LINUX_KDSKBMODE   0x4b45
    101 #define LINUX_KDMKTONE    0x4b30
    102 #define LINUX_KDSETMODE   0x4b3a
    103 #define LINUX_KDENABIO    0x4b36
    104 #define LINUX_KDDISABIO   0x4b37
    105 #define LINUX_KDGETLED    0x4b31
    106 #define LINUX_KDSETLED    0x4b32
    107 #define LINUX_KDGKBTYPE   0x4B33
    108 #define LINUX_KDGKBENT    0x4B46
    109 
    110 /*
    111  * Mode for KDSKBMODE which we don't have (we just use plain mode for this)
    112  */
    113 #define LINUX_K_MEDIUMRAW 2
    114 
    115 /*
    116  * VT ioctl calls in Linux (the ones that pcvt can handle)
    117  */
    118 #define LINUX_VT_OPENQRY    0x5600
    119 #define LINUX_VT_GETMODE    0x5601
    120 #define LINUX_VT_SETMODE    0x5602
    121 #define LINUX_VT_GETSTATE   0x5603
    122 #define LINUX_VT_RELDISP    0x5605
    123 #define LINUX_VT_ACTIVATE   0x5606
    124 #define LINUX_VT_WAITACTIVE 0x5607
    125 
    126 #endif /* _I386_LINUX_MACHDEP_H */
    127