[PATCH 1/5] Adding modified FREEBSD headers to sync RTEMS termios with FREEBSD

Kevin Kirspel kevin-kirspel at idexx.com
Mon Mar 13 16:00:36 UTC 2017


---
 cpukit/libcsupport/include/sys/_termios.h    | 264 +++++++++++++++++++++++++++
 cpukit/libcsupport/include/sys/ttydefaults.h | 111 +++++++++++
 cpukit/libcsupport/src/cfmakesane.c          |  66 +++++++
 3 files changed, 441 insertions(+)
 create mode 100644 cpukit/libcsupport/include/sys/_termios.h
 create mode 100644 cpukit/libcsupport/include/sys/ttydefaults.h
 create mode 100644 cpukit/libcsupport/src/cfmakesane.c

diff --git a/cpukit/libcsupport/include/sys/_termios.h b/cpukit/libcsupport/include/sys/_termios.h
new file mode 100644
index 0000000..92f2c54
--- /dev/null
+++ b/cpukit/libcsupport/include/sys/_termios.h
@@ -0,0 +1,264 @@
+/*-
+ * Copyright (c) 1988, 1989, 1993, 1994
+ *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)termios.h	8.3 (Berkeley) 3/28/94
+ * $FreeBSD: head/sys/sys/_termios.h 314436 2017-02-28 23:42:47Z imp $
+ */
+
+#ifndef _SYS__TERMIOS_H_
+#define	_SYS__TERMIOS_H_
+
+/*
+ * Special Control Characters
+ *
+ * Index into c_cc[] character array.
+ *
+ *	Name	     Subscript	Enabled by
+ */
+#define	VEOF		0	/* ICANON */
+#define	VEOL		1	/* ICANON */
+#if !_POSIX_SOURCE || __rtems__
+#define	VEOL2		2	/* ICANON together with IEXTEN */
+#endif
+#define	VERASE		3	/* ICANON */
+#if !_POSIX_SOURCE || __rtems__
+#define	VWERASE 	4	/* ICANON together with IEXTEN */
+#endif
+#define	VKILL		5	/* ICANON */
+#if !_POSIX_SOURCE || __rtems__
+#define	VREPRINT 	6	/* ICANON together with IEXTEN */
+#define	VERASE2 	7	/* ICANON */
+#endif
+/*			7	   ex-spare 1 */
+#define	VINTR		8	/* ISIG */
+#define	VQUIT		9	/* ISIG */
+#define	VSUSP		10	/* ISIG */
+#if !_POSIX_SOURCE || __rtems__
+#define	VDSUSP		11	/* ISIG together with IEXTEN */
+#endif
+#define	VSTART		12	/* IXON, IXOFF */
+#define	VSTOP		13	/* IXON, IXOFF */
+#if !_POSIX_SOURCE || __rtems__
+#define	VLNEXT		14	/* IEXTEN */
+#define	VDISCARD	15	/* IEXTEN */
+#endif
+#define	VMIN		16	/* !ICANON */
+#define	VTIME		17	/* !ICANON */
+#if !_POSIX_SOURCE || __rtems__
+#define	VSTATUS		18	/* ICANON together with IEXTEN */
+/*			19	   spare 2 */
+#endif
+#define	NCCS		20
+
+#define	_POSIX_VDISABLE	0xff
+
+/*
+ * Input flags - software input processing
+ */
+#define	IGNBRK		0x00000001	/* ignore BREAK condition */
+#define	BRKINT		0x00000002	/* map BREAK to SIGINTR */
+#define	IGNPAR		0x00000004	/* ignore (discard) parity errors */
+#define	PARMRK		0x00000008	/* mark parity and framing errors */
+#define	INPCK		0x00000010	/* enable checking of parity errors */
+#define	ISTRIP		0x00000020	/* strip 8th bit off chars */
+#define	INLCR		0x00000040	/* map NL into CR */
+#define	IGNCR		0x00000080	/* ignore CR */
+#define	ICRNL		0x00000100	/* map CR to NL (ala CRMOD) */
+#define	IXON		0x00000200	/* enable output flow control */
+#define	IXOFF		0x00000400	/* enable input flow control */
+#if !_POSIX_SOURCE || __rtems__
+#define	IXANY		0x00000800	/* any char will restart after stop */
+#define	IMAXBEL		0x00002000	/* ring bell on input queue full */
+#endif  /*_POSIX_SOURCE */
+#ifdef __rtems__
+#define	IUCLC		0x00004000	/* map upper case to lower case on input */
+#endif /* __rtems__ */
+/*
+ * Output flags - software output processing
+ */
+#define	OPOST		0x00000001	/* enable following output processing */
+#if !_POSIX_SOURCE || __rtems__
+#define	ONLCR		0x00000002	/* map NL to CR-NL (ala CRMOD) */
+#ifndef __rtems__
+#define	TABDLY		0x00000004	/* tab delay mask */
+#define	    TAB0	    0x00000000	    /* no tab delay and expansion */
+#define	    TAB3	    0x00000004	    /* expand tabs to spaces */
+#define	ONOEOT		0x00000008	/* discard EOT's (^D) on output) */
+#define	OCRNL		0x00000010	/* map CR to NL on output */
+#define	ONOCR		0x00000020	/* no CR output at column 0 */
+#define	ONLRET		0x00000040	/* NL performs CR function */
+#else /* __rtems__ */
+#define	TABDLY		0x0000000C	/* tab delay mask */
+#define	    TAB0	    0x00000000	    /* no tab delay and expansion */
+#define	    TAB1	    0x00000004
+#define	    TAB2	    0x00000008
+#define	    TAB3	    0x0000000C	    /* expand tabs to spaces */
+#define	    XTABS	    0x0000000C
+#define	ONOEOT		0x00000010	/* discard EOT's (^D) on output) */
+#define	OCRNL		0x00000020	/* map CR to NL on output */
+#define	ONOCR		0x00000040	/* no CR output at column 0 */
+#define	ONLRET		0x00000080	/* NL performs CR function */
+#define	OLCUC		0x00000100	/* map lower case to upper case on output */
+#define	OFILL		0x00000200	/* send fill characters for a delay, rather than using a timed delay */
+#define	OFDEL		0x00000400	/* fill character is ASCII DEL (0177). if unset, fill character is ASCII NUL ('\0') */
+#define	NLDLY		0x00000800	/* newline delay mask */
+#define	    NL0	    0x00000000
+#define	    NL1	    0x00000800
+#define	CRDLY		0x00003000	/* carriage return delay mask */
+#define	    CR0	    0x00000000
+#define	    CR1	    0x00001000
+#define	    CR2	    0x00002000
+#define	    CR3	    0x00003000
+#define	BSDLY		0x00004000	/* Backspace delay mask */
+#define	    BS0	    0x00000000
+#define	    BS1	    0x00004000
+#define	VTDLY		0x00008000	/* Vertical tab delay mask */
+#define	    VT0	    0x00000000
+#define	    VT1	    0x00008000
+#define	FFDLY		0x00010000	/* Form feed delay mask */
+#define	    FF0	    0x00000000
+#define	    FF1	    0x00010000
+#endif /* __rtems__ */
+#endif  /*_POSIX_SOURCE */
+
+/*
+ * Control flags - hardware control of terminal
+ */
+#if !_POSIX_SOURCE || __rtems__
+#define	CIGNORE		0x00000001	/* ignore control flags */
+#endif
+#define	CSIZE		0x00000300	/* character size mask */
+#define	    CS5		    0x00000000	    /* 5 bits (pseudo) */
+#define	    CS6		    0x00000100	    /* 6 bits */
+#define	    CS7		    0x00000200	    /* 7 bits */
+#define	    CS8		    0x00000300	    /* 8 bits */
+#define	CSTOPB		0x00000400	/* send 2 stop bits */
+#define	CREAD		0x00000800	/* enable receiver */
+#define	PARENB		0x00001000	/* parity enable */
+#define	PARODD		0x00002000	/* odd parity, else even */
+#define	HUPCL		0x00004000	/* hang up on last close */
+#define	CLOCAL		0x00008000	/* ignore modem status lines */
+#if !_POSIX_SOURCE || __rtems__
+#define	CCTS_OFLOW	0x00010000	/* CTS flow control of output */
+#define	CRTSCTS		(CCTS_OFLOW | CRTS_IFLOW)
+#define	CRTS_IFLOW	0x00020000	/* RTS flow control of input */
+#define	CDTR_IFLOW	0x00040000	/* DTR flow control of input */
+#define	CDSR_OFLOW	0x00080000	/* DSR flow control of output */
+#define	CCAR_OFLOW	0x00100000	/* DCD flow control of output */
+#endif
+
+
+/*
+ * "Local" flags - dumping ground for other state
+ *
+ * Warning: some flags in this structure begin with
+ * the letter "I" and look like they belong in the
+ * input flag.
+ */
+
+#if !_POSIX_SOURCE || __rtems__
+#define	ECHOKE		0x00000001	/* visual erase for line kill */
+#endif  /*_POSIX_SOURCE */
+#define	ECHOE		0x00000002	/* visually erase chars */
+#define	ECHOK		0x00000004	/* echo NL after line kill */
+#define	ECHO		0x00000008	/* enable echoing */
+#define	ECHONL		0x00000010	/* echo NL even if ECHO is off */
+#if !_POSIX_SOURCE || __rtems__
+#define	ECHOPRT		0x00000020	/* visual erase mode for hardcopy */
+#define	ECHOCTL  	0x00000040	/* echo control chars as ^(Char) */
+#endif  /*_POSIX_SOURCE */
+#define	ISIG		0x00000080	/* enable signals INTR, QUIT, [D]SUSP */
+#define	ICANON		0x00000100	/* canonicalize input lines */
+#if !_POSIX_SOURCE || __rtems__
+#define	ALTWERASE	0x00000200	/* use alternate WERASE algorithm */
+#endif  /*_POSIX_SOURCE */
+#define	IEXTEN		0x00000400	/* enable DISCARD and LNEXT */
+#define	EXTPROC         0x00000800      /* external processing */
+#ifdef __rtems__
+#define	XCASE		0x00001000	/* visually erase chars */
+#endif /* __rtems__ */
+#define	TOSTOP		0x00400000	/* stop background jobs from output */
+#if !_POSIX_SOURCE || __rtems__
+#define	FLUSHO		0x00800000	/* output being flushed (state) */
+#define	NOKERNINFO	0x02000000	/* no kernel output from VSTATUS */
+#define	PENDIN		0x20000000	/* XXX retype pending input (state) */
+#endif  /*_POSIX_SOURCE */
+#define	NOFLSH		0x80000000	/* don't flush after interrupt */
+
+/*
+ * Standard speeds
+ */
+#define	B0	0
+#define	B50	50
+#define	B75	75
+#define	B110	110
+#define	B134	134
+#define	B150	150
+#define	B200	200
+#define	B300	300
+#define	B600	600
+#define	B1200	1200
+#define	B1800	1800
+#define	B2400	2400
+#define	B4800	4800
+#define	B9600	9600
+#define	B19200	19200
+#define	B38400	38400
+#if !_POSIX_SOURCE || __rtems__
+#define	B7200	7200
+#define	B14400	14400
+#define	B28800	28800
+#define	B57600	57600
+#define	B76800	76800
+#define	B115200	115200
+#define	B230400	230400
+#define	B460800	460800
+#define	B921600	921600
+#define	EXTA	19200
+#define	EXTB	38400
+#endif  /* !_POSIX_SOURCE */
+
+#ifdef __rtems__
+#define RTEMS_TERMIOS_NUMBER_BAUD_RATES 25
+#endif /* __rtems__ */
+
+typedef unsigned int  tcflag_t;
+typedef unsigned char	cc_t;
+typedef unsigned int	speed_t;
+
+struct termios {
+	tcflag_t	c_iflag;	/* input flags */
+	tcflag_t	c_oflag;	/* output flags */
+	tcflag_t	c_cflag;	/* control flags */
+	tcflag_t	c_lflag;	/* local flags */
+	cc_t		c_cc[NCCS];	/* control chars */
+	speed_t		c_ispeed;	/* input speed */
+	speed_t		c_ospeed;	/* output speed */
+};
+
+#endif /* !_SYS__TERMIOS_H_ */
diff --git a/cpukit/libcsupport/include/sys/ttydefaults.h b/cpukit/libcsupport/include/sys/ttydefaults.h
new file mode 100644
index 0000000..29464d0
--- /dev/null
+++ b/cpukit/libcsupport/include/sys/ttydefaults.h
@@ -0,0 +1,111 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * 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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)ttydefaults.h	8.4 (Berkeley) 1/21/94
+ * $FreeBSD: head/sys/sys/ttydefaults.h 314436 2017-02-28 23:42:47Z imp $
+ */
+
+/*
+ * System wide defaults for terminal state.
+ */
+#ifndef _SYS_TTYDEFAULTS_H_
+#define	_SYS_TTYDEFAULTS_H_
+
+/*
+ * Defaults on "first" open.
+ */
+#define	TTYDEF_IFLAG	(BRKINT	| ICRNL	| IMAXBEL | IXON | IXANY)
+#define	TTYDEF_OFLAG	(OPOST | ONLCR)
+#define	TTYDEF_LFLAG_NOECHO (ICANON | ISIG | IEXTEN)
+#define	TTYDEF_LFLAG_ECHO (TTYDEF_LFLAG_NOECHO \
+	| ECHO | ECHOE | ECHOKE | ECHOCTL)
+#define	TTYDEF_LFLAG TTYDEF_LFLAG_ECHO
+#define	TTYDEF_CFLAG	(CREAD | CS8 | HUPCL)
+#define	TTYDEF_SPEED	(B9600)
+
+/*
+ * Control Character Defaults
+ */
+/*
+ * XXX: A lot of code uses lowercase characters, but control-character
+ * conversion is actually only valid when applied to uppercase
+ * characters. We just treat lowercase characters as if they were
+ * inserted as uppercase.
+ */
+#define	CTRL(x) ((x) >= 'a' && (x) <= 'z' ? \
+	((x) - 'a' + 1) : (((x) - 'A' + 1) & 0x7f))
+#define	CEOF		CTRL('D')
+#define	CEOL		0xff		/* XXX avoid _POSIX_VDISABLE */
+#define	CERASE		CTRL('?')
+#define	CERASE2		CTRL('H')
+#define	CINTR		CTRL('C')
+#define	CSTATUS		CTRL('T')
+#define	CKILL		CTRL('U')
+#define	CMIN		1
+#define	CQUIT		CTRL('\\')
+#define	CSUSP		CTRL('Z')
+#define	CTIME		0
+#define	CDSUSP		CTRL('Y')
+#define	CSTART		CTRL('Q')
+#define	CSTOP		CTRL('S')
+#define	CLNEXT		CTRL('V')
+#define	CDISCARD	CTRL('O')
+#define	CWERASE		CTRL('W')
+#define	CREPRINT	CTRL('R')
+#define	CEOT		CEOF
+/* compat */
+#define	CBRK		CEOL
+#define	CRPRNT		CREPRINT
+#define	CFLUSH		CDISCARD
+
+/* PROTECTED INCLUSION ENDS HERE */
+#endif /* !_SYS_TTYDEFAULTS_H_ */
+
+/*
+ * #define TTYDEFCHARS to include an array of default control characters.
+ */
+#ifdef TTYDEFCHARS
+
+#include <sys/cdefs.h>
+#include <sys/_termios.h>
+
+static const cc_t ttydefchars[] = {
+	CEOF, CEOL, CEOL, CERASE, CWERASE, CKILL, CREPRINT, CERASE2, CINTR,
+	CQUIT, CSUSP, CDSUSP, CSTART, CSTOP, CLNEXT, CDISCARD, CMIN, CTIME,
+	CSTATUS, _POSIX_VDISABLE
+};
+_Static_assert(sizeof(ttydefchars) / sizeof(cc_t) == NCCS,
+    "Size of ttydefchars does not match NCCS");
+
+#undef TTYDEFCHARS
+#endif /* TTYDEFCHARS */
diff --git a/cpukit/libcsupport/src/cfmakesane.c b/cpukit/libcsupport/src/cfmakesane.c
new file mode 100644
index 0000000..e44fd6a
--- /dev/null
+++ b/cpukit/libcsupport/src/cfmakesane.c
@@ -0,0 +1,66 @@
+/*  @file
+ *
+ *  @brief Baud Rate Functions
+ *  @ingroup Termios
+ */
+
+/*
+ * Copyright (c) 1989, 1993
+ *  The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems.h>
+#if defined(RTEMS_NEWLIB)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#define TTYDEFCHARS
+#include <termios.h>
+
+/*
+ * Obtain a termios structure which is similar to the one provided by
+ * the kernel.
+ */
+void
+cfmakesane(
+  struct termios *tp
+)
+{
+  tp->c_cflag = TTYDEF_CFLAG;
+  tp->c_iflag = TTYDEF_IFLAG;
+  tp->c_lflag = TTYDEF_LFLAG;
+  tp->c_oflag = TTYDEF_OFLAG;
+  tp->c_ispeed = TTYDEF_SPEED;
+  tp->c_ospeed = TTYDEF_SPEED;
+  memcpy(&tp->c_cc, ttydefchars, sizeof ttydefchars);
+}
+#endif
-- 
1.9.1



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