Initial revision

1 files changed, 546 insertions, 0 deletions

diff --git a/boot/tcattr.c b/boot/tcattr.c
new file mode 100644
index 00000000..b8b7bb61
--- /dev/null
+++ b/boot/tcattr.c
@@ -0,0 +1,546 @@
+/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+
+#undef	B0
+#undef	B50
+#undef	B75
+#undef	B110
+#undef	B134
+#undef	B150
+#undef	B200
+#undef	B300
+#undef	B600
+#undef	B1200
+#undef	B1800
+#undef	B2400
+#undef	B4800
+#undef	B9600
+#undef	B19200
+#undef	B38400
+#undef	EXTA
+#undef	EXTB
+#undef	ECHO
+#undef	TOSTOP
+#undef	NOFLSH
+#undef	MDMBUF
+#undef	FLUSHO
+#undef	PENDIN
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+#undef	CERASE
+#undef	CKILL
+#undef	CINTR
+#undef	CQUIT
+#undef	CSTART
+#undef	CSTOP
+#undef	CEOF
+#undef	CEOT
+#undef	CBRK
+#undef	CSUSP
+#undef	CDSUSP
+#undef	CRPRNT
+#undef	CFLUSH
+#undef	CWERASE
+#undef	CLNEXT
+#undef	CSTATUS
+
+#define IOCPARM_MASK 0x7f
+#define IOC_OUT 0x40000000
+#define IOC_IN 0x80000000
+#define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
+#define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
+#define FIONREAD _IOR('f', 127, int)
+#define FIOASYNC _IOW('f', 125, int)
+#define TIOCGETP _IOR('t', 8, struct sgttyb)
+#define TIOCLGET _IOR('t', 124, int)
+#define TIOCLSET _IOW('t', 125, int)
+#define TIOCSETN _IOW('t', 10, struct sgttyb)
+#define TIOCSETP        _IOW('t', 9,struct sgttyb)/* set parameters -- stty */
+#define TIOCFLUSH       _IOW('t', 16, int)      /* flush buffers */
+#define TIOCSETC        _IOW('t',17,struct tchars)/* set special characters */
+#define TIOCGETC        _IOR('t',18,struct tchars)/* get special characters */
+#define         TANDEM          0x00000001      /* send stopc on out q full */
+#define         CBREAK          0x00000002      /* half-cooked mode */
+#define         LCASE           0x00000004      /* simulate lower case */
+#define         ECHO            0x00000008      /* echo input */
+#define         CRMOD           0x00000010      /* map \r to \r\n on output */
+#define         RAW             0x00000020      /* no i/o processing */
+#define         ODDP            0x00000040      /* get/send odd parity */
+#define         EVENP           0x00000080      /* get/send even parity */
+#define         ANYP            0x000000c0      /* get any parity/send none */
+#define         PRTERA          0x00020000      /* \ ... / erase */
+#define         CRTERA          0x00040000      /* " \b " to wipe out char */
+#define         TILDE           0x00080000      /* hazeltine tilde kludge */
+#define         MDMBUF          0x00100000      /* start/stop output on carrier intr */
+#define         LITOUT          0x00200000      /* literal output */
+#define         TOSTOP          0x00400000      /* SIGSTOP on background output */
+#define         FLUSHO          0x00800000      /* flush output to terminal */
+#define         NOHANG          0x01000000      /* no SIGHUP on carrier drop */
+#define         L001000         0x02000000
+#define         CRTKIL          0x04000000      /* kill line with " \b " */
+#define         PASS8           0x08000000
+#define         CTLECH          0x10000000      /* echo control chars as ^X */
+#define         PENDIN          0x20000000      /* tp->t_rawq needs reread */
+#define         DECCTQ          0x40000000      /* only ^Q starts after ^S */
+#define         NOFLSH          0x80000000      /* no output flush on signal */
+#define TIOCLSET        _IOW('t', 125, int)     /* set entire local mode word */
+#define TIOCLGET        _IOR('t', 124, int)     /* get local modes */
+#define         LCRTBS          (CRTBS>>16)
+#define         LPRTERA         (PRTERA>>16)
+#define         LCRTERA         (CRTERA>>16)
+#define         LTILDE          (TILDE>>16)
+#define         LMDMBUF         (MDMBUF>>16)
+#define         LLITOUT         (LITOUT>>16)
+#define         LTOSTOP         (TOSTOP>>16)
+#define         LFLUSHO         (FLUSHO>>16)
+#define         LNOHANG         (NOHANG>>16)
+#define         LCRTKIL         (CRTKIL>>16)
+#define         LPASS8          (PASS8>>16)
+#define         LCTLECH         (CTLECH>>16)
+#define         LPENDIN         (PENDIN>>16)
+#define         LDECCTQ         (DECCTQ>>16)
+#define         LNOFLSH         (NOFLSH>>16)
+#define TIOCSLTC        _IOW('t',117,struct ltchars)/* set local special chars */
+#define TIOCGLTC        _IOR('t',116,struct ltchars)/* get local special chars */
+
+
+
+
+const speed_t __bsd_speeds[] =
+  {
+    0,
+    50,
+    75,
+    110,
+    134,
+    150,
+    200,
+    300,
+    600,
+    1200,
+    1800,
+    2400,
+    4800,
+    9600,
+    19200,
+    38400,
+  };
+
+
+/* Set the state of FD to *TERMIOS_P.  */
+int
+tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
+{
+  struct sgttyb buf;
+  struct tchars tchars;
+  struct ltchars ltchars;
+  int local;
+#ifdef	TIOCGETX
+  int extra;
+#endif
+  size_t i;
+
+  if (ioctl(fd, TIOCGETP, &buf) < 0 ||
+      ioctl(fd, TIOCGETC, &tchars) < 0 ||
+      ioctl(fd, TIOCGLTC, &ltchars) < 0 ||
+#ifdef	TIOCGETX
+      ioctl(fd, TIOCGETX, &extra) < 0 ||
+#endif
+      ioctl(fd, TIOCLGET, &local) < 0)
+    return -1;
+
+  if (termios_p == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  buf.sg_ispeed = buf.sg_ospeed = -1;
+  for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
+    {
+      if (__bsd_speeds[i] == termios_p->__ispeed)
+	buf.sg_ispeed = i;
+      if (__bsd_speeds[i] == termios_p->__ospeed)
+	buf.sg_ospeed = i;
+    }
+  if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  buf.sg_flags &= ~(CBREAK|RAW);
+  if (!(termios_p->c_lflag & ICANON))
+    buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
+#ifdef	LPASS8
+  if (termios_p->c_oflag & CS8)
+    local |= LPASS8;
+  else
+    local &= ~LPASS8;
+#endif
+  if (termios_p->c_lflag & _NOFLSH)
+    local |= LNOFLSH;
+  else
+    local &= ~LNOFLSH;
+  if (termios_p->c_oflag & OPOST)
+    local &= ~LLITOUT;
+  else
+    local |= LLITOUT;
+#ifdef	TIOCGETX
+  if (termios_p->c_lflag & ISIG)
+    extra &= ~NOISIG;
+  else
+    extra |= NOISIG;
+  if (termios_p->c_cflag & CSTOPB)
+    extra |= STOPB;
+  else
+    extra &= ~STOPB;
+#endif
+  if (termios_p->c_iflag & ICRNL)
+    buf.sg_flags |= CRMOD;
+  else
+    buf.sg_flags &= ~CRMOD;
+  if (termios_p->c_iflag & IXOFF)
+    buf.sg_flags |= TANDEM;
+  else
+    buf.sg_flags &= ~TANDEM;
+
+  buf.sg_flags &= ~(ODDP|EVENP);
+  if (!(termios_p->c_cflag & PARENB))
+    buf.sg_flags |= ODDP | EVENP;
+  else if (termios_p->c_cflag & PARODD)
+    buf.sg_flags |= ODDP;
+  else
+    buf.sg_flags |= EVENP;
+
+  if (termios_p->c_lflag & _ECHO)
+    buf.sg_flags |= ECHO;
+  else
+    buf.sg_flags &= ~ECHO;
+  if (termios_p->c_lflag & ECHOE)
+    local |= LCRTERA;
+  else
+    local &= ~LCRTERA;
+  if (termios_p->c_lflag & ECHOK)
+    local |= LCRTKIL;
+  else
+    local &= ~LCRTKIL;
+  if (termios_p->c_lflag & _TOSTOP)
+    local |= LTOSTOP;
+  else
+    local &= ~LTOSTOP;
+
+  buf.sg_erase = termios_p->c_cc[VERASE];
+  buf.sg_kill = termios_p->c_cc[VKILL];
+  tchars.t_eofc = termios_p->c_cc[VEOF];
+  tchars.t_intrc = termios_p->c_cc[VINTR];
+  tchars.t_quitc = termios_p->c_cc[VQUIT];
+  ltchars.t_suspc = termios_p->c_cc[VSUSP];
+  tchars.t_startc = termios_p->c_cc[VSTART];
+  tchars.t_stopc = termios_p->c_cc[VSTOP];
+
+  if (ioctl(fd, TIOCSETP, &buf) < 0 ||
+      ioctl(fd, TIOCSETC, &tchars) < 0 ||
+      ioctl(fd, TIOCSLTC, &ltchars) < 0 ||
+#ifdef	TIOCGETX
+      ioctl(fd, TIOCSETX, &extra) < 0 ||
+#endif
+      ioctl(fd, TIOCLSET, &local) < 0)
+    return -1;
+  return 0;
+}
+
+
+/* Put the state of FD into *TERMIOS_P.  */
+int
+tcgetattr (int fd, struct termios *termios_p)
+{
+  struct sgttyb buf;
+  struct tchars tchars;
+  struct ltchars ltchars;
+  int local;
+#ifdef	TIOCGETX
+  int extra;
+#endif
+
+  if (termios_p == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (ioctl(fd, TIOCGETP, &buf) < 0 ||
+      ioctl(fd, TIOCGETC, &tchars) < 0 ||
+      ioctl(fd, TIOCGLTC, &ltchars) < 0 ||
+#ifdef	TIOCGETX
+      ioctl(fd, TIOCGETX, &extra) < 0 ||
+#endif
+      ioctl(fd, TIOCLGET, &local) < 0)
+    return -1;
+
+  termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed];
+  termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed];
+
+  termios_p->c_iflag = 0;
+  termios_p->c_oflag = 0;
+  termios_p->c_cflag = 0;
+  termios_p->c_lflag = 0;
+  termios_p->c_oflag |= CREAD | HUPCL;
+#ifdef	LPASS8
+  if (local & LPASS8)
+    termios_p->c_oflag |= CS8;
+  else
+#endif
+    termios_p->c_oflag |= CS7;
+  if (!(buf.sg_flags & RAW))
+    {
+      termios_p->c_iflag |= IXON;
+      termios_p->c_cflag |= OPOST;
+#ifndef	NOISIG
+      termios_p->c_lflag |= ISIG;
+#endif
+    }
+  if ((buf.sg_flags & (CBREAK|RAW)) == 0)
+    termios_p->c_lflag |= ICANON;
+  if (!(buf.sg_flags & RAW) && !(local & LLITOUT))
+    termios_p->c_oflag |= OPOST;
+  if (buf.sg_flags & CRMOD)
+    termios_p->c_iflag |= ICRNL;
+  if (buf.sg_flags & TANDEM)
+    termios_p->c_iflag |= IXOFF;
+#ifdef	TIOCGETX
+  if (!(extra & NOISIG))
+    termios_p->c_lflag |= ISIG;
+  if (extra & STOPB)
+    termios_p->c_cflag |= CSTOPB;
+#endif
+
+  switch (buf.sg_flags & (EVENP|ODDP))
+    {
+    case EVENP|ODDP:
+      break;
+    case ODDP:
+      termios_p->c_cflag |= PARODD;
+    default:
+      termios_p->c_cflag |= PARENB;
+      termios_p->c_iflag |= IGNPAR | INPCK;
+      break;
+    }
+  if (buf.sg_flags & ECHO)
+    termios_p->c_lflag |= _ECHO;
+  if (local & LCRTERA)
+    termios_p->c_lflag |= ECHOE;
+  if (local & LCRTKIL)
+    termios_p->c_lflag |= ECHOK;
+  if (local & LTOSTOP)
+    termios_p->c_lflag |= _TOSTOP;
+  if (local & LNOFLSH)
+    termios_p->c_lflag |= _NOFLSH;
+
+  termios_p->c_cc[VEOF] = tchars.t_eofc;
+  termios_p->c_cc[VEOL] = '\n';
+  termios_p->c_cc[VERASE] = buf.sg_erase;
+  termios_p->c_cc[VKILL] = buf.sg_kill;
+  termios_p->c_cc[VINTR] = tchars.t_intrc;
+  termios_p->c_cc[VQUIT] = tchars.t_quitc;
+  termios_p->c_cc[VSTART] = tchars.t_startc;
+  termios_p->c_cc[VSTOP] = tchars.t_stopc;
+  termios_p->c_cc[VSUSP] = ltchars.t_suspc;
+  termios_p->c_cc[VMIN] = -1;
+  termios_p->c_cc[VTIME] = -1;
+
+  return 0;
+}