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/* $OpenBSD: linux_machdep.h,v 1.10 2011/04/04 21:50:41 pirofti Exp $ */
/* $NetBSD: linux_machdep.h,v 1.5 1996/05/03 19:26:28 christos Exp $ */
/*
* Copyright (c) 1995 Frank van der Linden
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Frank van der Linden
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_MACHDEP_H
#define _LINUX_MACHDEP_H
/*
* The Linux sigcontext, pretty much a standard 386 trapframe.
*/
struct linux_sigcontext {
int sc_gs;
int sc_fs;
int sc_es;
int sc_ds;
int sc_edi;
int sc_esi;
int sc_ebp;
int sc_esp;
int sc_ebx;
int sc_edx;
int sc_ecx;
int sc_eax;
int sc_trapno;
int sc_err;
int sc_eip;
int sc_cs;
int sc_eflags;
int sc_esp_at_signal;
int sc_ss;
int sc_387;
int sc_mask;
int sc_cr2;
};
/*
* We make the stack look like Linux expects it when calling a signal
* handler, but use the BSD way of calling the handler and sigreturn().
* This means that we need to pass the pointer to the handler too.
* It is appended to the frame to not interfere with the rest of it.
*/
struct linux_sigframe {
int sf_sig;
struct linux_sigcontext sf_sc;
sig_t sf_handler;
};
#ifdef _KERNEL
void linux_sendsig(sig_t, int, int, u_long, int, union sigval);
dev_t linux_fakedev(dev_t);
#endif
/*
* Major device numbers of VT device on both Linux and NetBSD. Used in
* ugly patch to fake device numbers.
*/
#define LINUX_CONS_MAJOR 4
#define NATIVE_CONS_MAJOR 12
/*
* Linux ioctl calls for the keyboard.
*/
#define LINUX_KDGKBMODE 0x4b44
#define LINUX_KDSKBMODE 0x4b45
#define LINUX_KDMKTONE 0x4b30
#define LINUX_KDSETMODE 0x4b3a
#define LINUX_KDGETMODE 0x4b3b
#define LINUX_KDENABIO 0x4b36
#define LINUX_KDDISABIO 0x4b37
#define LINUX_KDGETLED 0x4b31
#define LINUX_KDSETLED 0x4b32
#define LINUX_KDGKBTYPE 0x4b33
#define LINUX_KDGKBENT 0x4b46
#define LINUX_KIOCSOUND 0x4b2f
/*
* Mode for KDSKBMODE which we don't have (we just use plain mode for this)
*/
#define LINUX_K_MEDIUMRAW 2
/*
* VT ioctl calls in Linux (the ones that pcvt can handle)
*/
#define LINUX_VT_OPENQRY 0x5600
#define LINUX_VT_GETMODE 0x5601
#define LINUX_VT_SETMODE 0x5602
#define LINUX_VT_GETSTATE 0x5603
#define LINUX_VT_RELDISP 0x5605
#define LINUX_VT_ACTIVATE 0x5606
#define LINUX_VT_WAITACTIVE 0x5607
#define LINUX_VT_DISALLOCATE 0x5608
struct l_segment_descriptor {
unsigned int entry_number;
unsigned int base_addr;
unsigned int limit;
unsigned int seg_32bit:1;
unsigned int contents:2;
unsigned int read_exec_only:1;
unsigned int limit_in_pages:1;
unsigned int seg_not_present:1;
unsigned int useable:1;
};
#endif /* _LINUX_MACHDEP_H */
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