mirror of
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499 lines
17 KiB
C
499 lines
17 KiB
C
/*-
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* Copyright (c) 1994-1995 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux_ioctl.c,v 1.1 1995/06/25 17:32:35 sos Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysproto.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/ioctl_compat.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/tty.h>
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#include <sys/termios.h>
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#include <machine/console.h>
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#include <i386/linux/linux.h>
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#include <i386/linux/sysproto.h>
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struct linux_termios {
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unsigned long c_iflag;
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unsigned long c_oflag;
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unsigned long c_cflag;
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unsigned long c_lflag;
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unsigned char c_line;
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unsigned char c_cc[LINUX_NCCS];
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};
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struct linux_winsize {
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unsigned short ws_row, ws_col;
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unsigned short ws_xpixel, ws_ypixel;
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};
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static struct speedtab sptab[] = {
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{ 0, 0 }, { 50, 1 }, { 75, 2 }, { 110, 3 },
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{ 134, 4 }, { 135, 4 }, { 150, 5 }, { 200, 6 },
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{ 300, 7 }, { 600, 8 }, { 1200, 9 }, { 1800, 10 },
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{ 2400, 11 }, { 4800, 12 }, { 9600, 13 },
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{ 19200, 14 }, { 38400, 15 },
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{ 57600, 4097 }, { 115200, 4098 }, {-1, -1 }
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};
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static int
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linux_to_bsd_speed(int code, struct speedtab *table)
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{
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for ( ; table->sp_code != -1; table++)
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if (table->sp_code == code)
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return (table->sp_speed);
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return -1;
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}
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static int
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bsd_to_linux_speed(int speed, struct speedtab *table)
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{
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for ( ; table->sp_speed != -1; table++)
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if (table->sp_speed == speed)
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return (table->sp_code);
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return -1;
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}
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static void
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bsd_to_linux_termios(struct termios *bsd_termios,
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struct linux_termios *linux_termios)
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{
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int i, speed;
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#ifdef DEBUG
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printf("LINUX: BSD termios structure (input):\n");
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printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
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bsd_termios->c_iflag, bsd_termios->c_oflag,
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bsd_termios->c_cflag, bsd_termios->c_lflag,
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bsd_termios->c_ispeed, bsd_termios->c_ospeed);
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printf("c_cc ");
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for (i=0; i<NCCS; i++)
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printf("%02x ", bsd_termios->c_cc[i]);
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printf("\n");
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#endif
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linux_termios->c_iflag = 0;
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if (bsd_termios->c_iflag & IGNBRK)
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linux_termios->c_iflag |= LINUX_IGNBRK;
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if (bsd_termios->c_iflag & BRKINT)
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linux_termios->c_iflag |= LINUX_BRKINT;
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if (bsd_termios->c_iflag & IGNPAR)
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linux_termios->c_iflag |= LINUX_IGNPAR;
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if (bsd_termios->c_iflag & PARMRK)
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linux_termios->c_iflag |= LINUX_PARMRK;
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if (bsd_termios->c_iflag & INPCK)
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linux_termios->c_iflag |= LINUX_INPCK;
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if (bsd_termios->c_iflag & ISTRIP)
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linux_termios->c_iflag |= LINUX_ISTRIP;
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if (bsd_termios->c_iflag & INLCR)
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linux_termios->c_iflag |= LINUX_INLCR;
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if (bsd_termios->c_iflag & IGNCR)
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linux_termios->c_iflag |= LINUX_IGNCR;
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if (bsd_termios->c_iflag & ICRNL)
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linux_termios->c_iflag |= LINUX_ICRNL;
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if (bsd_termios->c_iflag & IXON)
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linux_termios->c_iflag |= LINUX_IXANY;
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if (bsd_termios->c_iflag & IXON)
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linux_termios->c_iflag |= LINUX_IXON;
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if (bsd_termios->c_iflag & IXOFF)
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linux_termios->c_iflag |= LINUX_IXOFF;
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if (bsd_termios->c_iflag & IMAXBEL)
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linux_termios->c_iflag |= LINUX_IMAXBEL;
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linux_termios->c_oflag = 0;
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if (bsd_termios->c_oflag & OPOST)
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linux_termios->c_oflag |= LINUX_OPOST;
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if (bsd_termios->c_oflag & ONLCR)
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linux_termios->c_oflag |= LINUX_ONLCR;
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if (bsd_termios->c_oflag & OXTABS)
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linux_termios->c_oflag |= LINUX_XTABS;
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linux_termios->c_cflag =
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bsd_to_linux_speed(bsd_termios->c_ispeed, sptab);
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linux_termios->c_cflag |= (bsd_termios->c_cflag & CSIZE) >> 4;
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if (bsd_termios->c_cflag & CSTOPB)
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linux_termios->c_cflag |= LINUX_CSTOPB;
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if (bsd_termios->c_cflag & CREAD)
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linux_termios->c_cflag |= LINUX_CREAD;
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if (bsd_termios->c_cflag & PARENB)
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linux_termios->c_cflag |= LINUX_PARENB;
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if (bsd_termios->c_cflag & PARODD)
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linux_termios->c_cflag |= LINUX_PARODD;
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if (bsd_termios->c_cflag & HUPCL)
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linux_termios->c_cflag |= LINUX_HUPCL;
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if (bsd_termios->c_cflag & CLOCAL)
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linux_termios->c_cflag |= LINUX_CLOCAL;
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if (bsd_termios->c_cflag & CRTSCTS)
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linux_termios->c_cflag |= LINUX_CRTSCTS;
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linux_termios->c_lflag = 0;
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if (bsd_termios->c_lflag & ISIG)
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linux_termios->c_lflag |= LINUX_ISIG;
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if (bsd_termios->c_lflag & ICANON)
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linux_termios->c_lflag |= LINUX_ICANON;
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if (bsd_termios->c_lflag & ECHO)
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linux_termios->c_lflag |= LINUX_ECHO;
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if (bsd_termios->c_lflag & ECHOE)
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linux_termios->c_lflag |= LINUX_ECHOE;
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if (bsd_termios->c_lflag & ECHOK)
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linux_termios->c_lflag |= LINUX_ECHOK;
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if (bsd_termios->c_lflag & ECHONL)
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linux_termios->c_lflag |= LINUX_ECHONL;
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if (bsd_termios->c_lflag & NOFLSH)
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linux_termios->c_lflag |= LINUX_NOFLSH;
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if (bsd_termios->c_lflag & TOSTOP)
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linux_termios->c_lflag |= LINUX_TOSTOP;
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if (bsd_termios->c_lflag & ECHOCTL)
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linux_termios->c_lflag |= LINUX_ECHOCTL;
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if (bsd_termios->c_lflag & ECHOPRT)
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linux_termios->c_lflag |= LINUX_ECHOPRT;
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if (bsd_termios->c_lflag & ECHOKE)
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linux_termios->c_lflag |= LINUX_ECHOKE;
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if (bsd_termios->c_lflag & FLUSHO)
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linux_termios->c_lflag |= LINUX_FLUSHO;
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if (bsd_termios->c_lflag & PENDIN)
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linux_termios->c_lflag |= LINUX_PENDIN;
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if (bsd_termios->c_lflag & IEXTEN)
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linux_termios->c_lflag |= LINUX_IEXTEN;
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for (i=0; i<LINUX_NCCS; i++)
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linux_termios->c_cc[i] = _POSIX_VDISABLE;
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linux_termios->c_cc[LINUX_VINTR] = bsd_termios->c_cc[VINTR];
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linux_termios->c_cc[LINUX_VQUIT] = bsd_termios->c_cc[VQUIT];
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linux_termios->c_cc[LINUX_VERASE] = bsd_termios->c_cc[VERASE];
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linux_termios->c_cc[LINUX_VKILL] = bsd_termios->c_cc[VKILL];
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linux_termios->c_cc[LINUX_VEOF] = bsd_termios->c_cc[VEOF];
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linux_termios->c_cc[LINUX_VEOL] = bsd_termios->c_cc[VEOL];
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linux_termios->c_cc[LINUX_VMIN] = bsd_termios->c_cc[VMIN];
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linux_termios->c_cc[LINUX_VTIME] = bsd_termios->c_cc[VTIME];
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linux_termios->c_cc[LINUX_VEOL2] = bsd_termios->c_cc[VEOL2];
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linux_termios->c_cc[LINUX_VSWTC] = _POSIX_VDISABLE;
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linux_termios->c_cc[LINUX_VSUSP] = bsd_termios->c_cc[VSUSP];
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linux_termios->c_cc[LINUX_VSTART] = bsd_termios->c_cc[VSTART];
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linux_termios->c_cc[LINUX_VSTOP] = bsd_termios->c_cc[VSTOP];
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linux_termios->c_cc[LINUX_VREPRINT] = bsd_termios->c_cc[VREPRINT];
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linux_termios->c_cc[LINUX_VDISCARD] = bsd_termios->c_cc[VDISCARD];
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linux_termios->c_cc[LINUX_VWERASE] = bsd_termios->c_cc[VWERASE];
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linux_termios->c_cc[LINUX_VLNEXT] = bsd_termios->c_cc[VLNEXT];
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linux_termios->c_line = 0;
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#ifdef DEBUG
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printf("LINUX: LINUX termios structure (output):\n");
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printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
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linux_termios->c_iflag, linux_termios->c_oflag,
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linux_termios->c_cflag, linux_termios->c_lflag,
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linux_termios->c_line);
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printf("c_cc ");
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for (i=0; i<LINUX_NCCS; i++)
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printf("%02x ", linux_termios->c_cc[i]);
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printf("\n");
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#endif
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}
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static void
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linux_to_bsd_termios(struct linux_termios *linux_termios,
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struct termios *bsd_termios)
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{
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int i, speed;
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#ifdef DEBUG
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printf("LINUX: LINUX termios structure (input):\n");
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printf("i=%08x o=%08x c=%08x l=%08x line=%d\n",
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linux_termios->c_iflag, linux_termios->c_oflag,
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linux_termios->c_cflag, linux_termios->c_lflag,
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linux_termios->c_line);
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printf("c_cc ");
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for (i=0; i<LINUX_NCCS; i++)
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printf("%02x ", linux_termios->c_cc[i]);
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printf("\n");
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#endif
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bsd_termios->c_iflag = 0;
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if (linux_termios->c_iflag & LINUX_IGNBRK)
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bsd_termios->c_iflag |= IGNBRK;
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if (linux_termios->c_iflag & LINUX_BRKINT)
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bsd_termios->c_iflag |= BRKINT;
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if (linux_termios->c_iflag & LINUX_IGNPAR)
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bsd_termios->c_iflag |= IGNPAR;
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if (linux_termios->c_iflag & LINUX_PARMRK)
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bsd_termios->c_iflag |= PARMRK;
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if (linux_termios->c_iflag & LINUX_INPCK)
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bsd_termios->c_iflag |= INPCK;
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if (linux_termios->c_iflag & LINUX_ISTRIP)
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bsd_termios->c_iflag |= ISTRIP;
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if (linux_termios->c_iflag & LINUX_INLCR)
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bsd_termios->c_iflag |= INLCR;
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if (linux_termios->c_iflag & LINUX_IGNCR)
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bsd_termios->c_iflag |= IGNCR;
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if (linux_termios->c_iflag & LINUX_ICRNL)
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bsd_termios->c_iflag |= ICRNL;
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if (linux_termios->c_iflag & LINUX_IXON)
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bsd_termios->c_iflag |= IXANY;
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if (linux_termios->c_iflag & LINUX_IXON)
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bsd_termios->c_iflag |= IXON;
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if (linux_termios->c_iflag & LINUX_IXOFF)
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bsd_termios->c_iflag |= IXOFF;
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if (linux_termios->c_iflag & LINUX_IMAXBEL)
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bsd_termios->c_iflag |= IMAXBEL;
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bsd_termios->c_oflag = 0;
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if (linux_termios->c_oflag & LINUX_OPOST)
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bsd_termios->c_oflag |= OPOST;
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if (linux_termios->c_oflag & LINUX_ONLCR)
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bsd_termios->c_oflag |= ONLCR;
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if (linux_termios->c_oflag & LINUX_XTABS)
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bsd_termios->c_oflag |= OXTABS;
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bsd_termios->c_cflag = (linux_termios->c_cflag & LINUX_CSIZE) << 4;
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if (linux_termios->c_cflag & LINUX_CSTOPB)
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bsd_termios->c_cflag |= CSTOPB;
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if (linux_termios->c_cflag & LINUX_PARENB)
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bsd_termios->c_cflag |= PARENB;
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if (linux_termios->c_cflag & LINUX_PARODD)
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bsd_termios->c_cflag |= PARODD;
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if (linux_termios->c_cflag & LINUX_HUPCL)
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bsd_termios->c_cflag |= HUPCL;
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if (linux_termios->c_cflag & LINUX_CLOCAL)
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bsd_termios->c_cflag |= CLOCAL;
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if (linux_termios->c_cflag & LINUX_CRTSCTS)
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bsd_termios->c_cflag |= CRTSCTS;
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bsd_termios->c_lflag = 0;
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if (linux_termios->c_lflag & LINUX_ISIG)
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bsd_termios->c_lflag |= ISIG;
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if (linux_termios->c_lflag & LINUX_ICANON)
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bsd_termios->c_lflag |= ICANON;
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if (linux_termios->c_lflag & LINUX_ECHO)
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bsd_termios->c_lflag |= ECHO;
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if (linux_termios->c_lflag & LINUX_ECHOE)
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bsd_termios->c_lflag |= ECHOE;
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if (linux_termios->c_lflag & LINUX_ECHOK)
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bsd_termios->c_lflag |= ECHOK;
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if (linux_termios->c_lflag & LINUX_ECHONL)
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bsd_termios->c_lflag |= ECHONL;
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if (linux_termios->c_lflag & LINUX_NOFLSH)
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bsd_termios->c_lflag |= NOFLSH;
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if (linux_termios->c_lflag & LINUX_TOSTOP)
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bsd_termios->c_lflag |= TOSTOP;
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if (linux_termios->c_lflag & LINUX_ECHOCTL)
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bsd_termios->c_lflag |= ECHOCTL;
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if (linux_termios->c_lflag & LINUX_ECHOPRT)
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bsd_termios->c_lflag |= ECHOPRT;
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if (linux_termios->c_lflag & LINUX_ECHOKE)
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bsd_termios->c_lflag |= ECHOKE;
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if (linux_termios->c_lflag & LINUX_FLUSHO)
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bsd_termios->c_lflag |= FLUSHO;
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if (linux_termios->c_lflag & LINUX_PENDIN)
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bsd_termios->c_lflag |= PENDIN;
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if (linux_termios->c_lflag & IEXTEN)
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bsd_termios->c_lflag |= IEXTEN;
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for (i=0; i<NCCS; i++)
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bsd_termios->c_cc[i] = _POSIX_VDISABLE;
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bsd_termios->c_cc[VINTR] = linux_termios->c_cc[LINUX_VINTR];
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bsd_termios->c_cc[VQUIT] = linux_termios->c_cc[LINUX_VQUIT];
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bsd_termios->c_cc[VERASE] = linux_termios->c_cc[LINUX_VERASE];
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bsd_termios->c_cc[VKILL] = linux_termios->c_cc[LINUX_VKILL];
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bsd_termios->c_cc[VEOF] = linux_termios->c_cc[LINUX_VEOF];
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bsd_termios->c_cc[VEOL] = linux_termios->c_cc[LINUX_VEOL];
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bsd_termios->c_cc[VMIN] = linux_termios->c_cc[LINUX_VMIN];
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bsd_termios->c_cc[VTIME] = linux_termios->c_cc[LINUX_VTIME];
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bsd_termios->c_cc[VEOL2] = linux_termios->c_cc[LINUX_VEOL2];
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bsd_termios->c_cc[VSUSP] = linux_termios->c_cc[LINUX_VSUSP];
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bsd_termios->c_cc[VSTART] = linux_termios->c_cc[LINUX_VSTART];
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bsd_termios->c_cc[VSTOP] = linux_termios->c_cc[LINUX_VSTOP];
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bsd_termios->c_cc[VREPRINT] = linux_termios->c_cc[LINUX_VREPRINT];
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bsd_termios->c_cc[VDISCARD] = linux_termios->c_cc[LINUX_VDISCARD];
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bsd_termios->c_cc[VWERASE] = linux_termios->c_cc[LINUX_VWERASE];
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bsd_termios->c_cc[VLNEXT] = linux_termios->c_cc[LINUX_VLNEXT];
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bsd_termios->c_ispeed = bsd_termios->c_ospeed =
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linux_to_bsd_speed(linux_termios->c_cflag & LINUX_CBAUD, sptab);
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#ifdef DEBUG
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printf("LINUX: BSD termios structure (output):\n");
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printf("i=%08x o=%08x c=%08x l=%08x ispeed=%d ospeed=%d\n",
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bsd_termios->c_iflag, bsd_termios->c_oflag,
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bsd_termios->c_cflag, bsd_termios->c_lflag,
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bsd_termios->c_ispeed, bsd_termios->c_ospeed);
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printf("c_cc ");
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for (i=0; i<NCCS; i++)
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printf("%02x ", bsd_termios->c_cc[i]);
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printf("\n");
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#endif
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}
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struct linux_ioctl_args {
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int fd;
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int cmd;
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int arg;
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};
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int
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linux_ioctl(struct proc *p, struct linux_ioctl_args *args, int *retval)
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{
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struct termios bsd_termios;
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struct winsize bsd_winsize;
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struct linux_termios linux_termios;
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struct linux_winsize linux_winsize;
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struct filedesc *fdp = p->p_fd;
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struct file *fp;
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int (*func)(struct file *fp, int com, caddr_t data, struct proc *p);
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int bsd_line, linux_line;
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int error;
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#ifdef DEBUG
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printf("Linux-emul(%d): ioctl(%d, %04x, *)\n",
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p->p_pid, args->fd, args->cmd);
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#endif
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if ((unsigned)args->fd >= fdp->fd_nfiles
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|| (fp = fdp->fd_ofiles[args->fd]) == 0)
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return EBADF;
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if (!fp || (fp->f_flag & (FREAD | FWRITE)) == 0) {
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return EBADF;
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}
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func = fp->f_ops->fo_ioctl;
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switch (args->cmd) {
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case LINUX_TCGETS:
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if ((error = (*func)(fp, TIOCGETA, (caddr_t)&bsd_termios, p)) != 0)
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return error;
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bsd_to_linux_termios(&bsd_termios, &linux_termios);
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return copyout((caddr_t)&linux_termios, (caddr_t)args->arg,
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sizeof(linux_termios));
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case LINUX_TCSETS:
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linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios);
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return (*func)(fp, TIOCSETA, (caddr_t)&bsd_termios, p);
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case LINUX_TCSETSW:
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linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios);
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return (*func)(fp, TIOCSETAW, (caddr_t)&bsd_termios, p);
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case LINUX_TCSETSF:
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linux_to_bsd_termios((struct linux_termios *)args->arg, &bsd_termios);
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return (*func)(fp, TIOCSETAF, (caddr_t)&bsd_termios, p);
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case LINUX_TIOCGPGRP:
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args->cmd = TIOCGPGRP;
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return ioctl(p, args, retval);
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case LINUX_TIOCSPGRP:
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args->cmd = TIOCSPGRP;
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return ioctl(p, args, retval);
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case LINUX_TIOCGWINSZ:
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args->cmd = TIOCGWINSZ;
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return ioctl(p, args, retval);
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case LINUX_TIOCSWINSZ:
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args->cmd = TIOCSWINSZ;
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return ioctl(p, args, retval);
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case LINUX_FIONREAD:
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args->cmd = FIONREAD;
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return ioctl(p, args, retval);
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case LINUX_FIONBIO:
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args->cmd = FIONBIO;
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return ioctl(p, args, retval);
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case LINUX_FIOASYNC:
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args->cmd = FIOASYNC;
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return ioctl(p, args, retval);
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|
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case LINUX_FIONCLEX:
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args->cmd = FIONCLEX;
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return ioctl(p, args, retval);
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case LINUX_FIOCLEX:
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args->cmd = FIOCLEX;
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return ioctl(p, args, retval);
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case LINUX_TIOCEXCL:
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args->cmd = TIOCEXCL;
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return ioctl(p, args, retval);
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case LINUX_TIOCNXCL:
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args->cmd = TIOCNXCL;
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return ioctl(p, args, retval);
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|
|
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case LINUX_TIOCCONS:
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args->cmd = TIOCCONS;
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return ioctl(p, args, retval);
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|
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case LINUX_TIOCNOTTY:
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args->cmd = TIOCNOTTY;
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return ioctl(p, args, retval);
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|
|
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case LINUX_TIOCSETD:
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switch (args->arg) {
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case LINUX_N_TTY:
|
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bsd_line = TTYDISC;
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return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p);
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case LINUX_N_SLIP:
|
|
bsd_line = SLIPDISC;
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return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p);
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case LINUX_N_PPP:
|
|
bsd_line = PPPDISC;
|
|
return (*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p);
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
break;
|
|
|
|
case LINUX_TIOCGETD:
|
|
bsd_line = TTYDISC;
|
|
if (error =(*func)(fp, TIOCSETD, (caddr_t)&bsd_line, p))
|
|
return error;
|
|
switch (bsd_line) {
|
|
case TTYDISC:
|
|
linux_line = LINUX_N_TTY;
|
|
break;
|
|
case SLIPDISC:
|
|
linux_line = LINUX_N_SLIP;
|
|
break;
|
|
case PPPDISC:
|
|
linux_line = LINUX_N_PPP;
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
return copyout(&linux_line, (caddr_t)args->arg,
|
|
sizeof(int));
|
|
}
|
|
uprintf("LINUX: 'ioctl' fd=%d, typ=0x%x(%c), num=0x%x not implemented\n",
|
|
args->fd, (args->cmd&0xffff00)>>8,
|
|
(args->cmd&0xffff00)>>8, args->cmd&0xff);
|
|
return EINVAL;
|
|
}
|