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linux_machdep.h revision 1.18 
      1 /*	$NetBSD: linux_machdep.h,v 1.18 2000/12/14 18:10:35 mycroft 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 /*
     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 #define LINUX_VT_DISALLOCATE	0x5608
    129 
    130 /*
    131  * This range used by VMWare (XXX)
    132  */
    133 #define LINUX_VMWARE_NONE 200
    134 #define LINUX_VMWARE_LAST 237
    135 
    136 /*
    137  * Range of ioctls to just pass on, so that LKMs (like VMWare) can
    138  * handle them.
    139  */
    140 #define LINUX_IOCTL_MIN_PASS	LINUX_VMWARE_NONE
    141 #define LINUX_IOCTL_MAX_PASS	(LINUX_VMWARE_LAST+8)
    142 
    143 #ifdef _KERNEL
    144 __BEGIN_DECLS
    145 void linux_syscall_intern __P((struct proc *));
    146 __END_DECLS
    147 #endif /* !_KERNEL */
    148 
    149 #endif /* _I386_LINUX_MACHDEP_H */
    150