2006-02-20 Thomas Schwinge <tschwinge@gnu.org>

Remove unused and unsupported code.  Consult the file
	`DEVELOPMENT' for details.  Partly based on suggestions by
	Gianluca Guida <glguida@gmail.com>.

	* chips/atm.c: Remove file.
	* chips/atmreg.h: Likewise.
	* chips/audio.c: Likewise.
	* chips/audio_config.h: Likewise.
	* chips/audio_defs.h: Likewise.
	* chips/bt431.c: Likewise.
	* chips/bt431.h: Likewise.
	* chips/bt455.c: Likewise.
	* chips/bt455.h: Likewise.
	* chips/bt459.c: Likewise.
	* chips/bt459.h: Likewise.
	* chips/bt478.c: Likewise.
	* chips/bt478.h: Likewise.
	* chips/build_font.c: Likewise.
	* chips/cfb_hdw.c: Likewise.
	* chips/cfb_misc.c: Likewise.
	* chips/dc503.c: Likewise.
	* chips/dc503.h: Likewise.
	* chips/dtop.h: Likewise.
	* chips/dtop_handlers.c: Likewise.
	* chips/dtop_hdw.c: Likewise.
	* chips/dz_7085.h: Likewise.
	* chips/dz_defs.h: Likewise.
	* chips/dz_hdw.c: Likewise.
	* chips/eccreg.h: Likewise.
	* chips/fb_hdw.c: Likewise.
	* chips/fb_misc.c: Likewise.
	* chips/fdc_82077.h: Likewise.
	* chips/fdc_82077_hdw.c: Likewise.
	* chips/frc.c: Likewise.
	* chips/ims332.c: Likewise.
	* chips/ims332.h: Likewise.
	* chips/isdn_79c30.h: Likewise.
	* chips/isdn_79c30_hdw.c: Likewise.
	* chips/kernel_font.c: Likewise.
	* chips/kernel_font.data: Likewise.
	* chips/lance.c: Likewise.
	* chips/lance.h: Likewise.
	* chips/lance_mapped.c: Likewise.
	* chips/lk201.c: Likewise.
	* chips/lk201.h: Likewise.
	* chips/mc_clock.c: Likewise.
	* chips/mc_clock.h: Likewise.
	* chips/mouse.c: Likewise.
	* chips/nc.c: Likewise.
	* chips/nc.h: Likewise.
	* chips/nw.h: Likewise.
	* chips/nw_mk.c: Likewise.
	* chips/nw_mk.h: Likewise.
	* chips/pm_defs.h: Likewise.
	* chips/pm_hdw.c: Likewise.
	* chips/pm_misc.c: Likewise.
	* chips/scc_8530.h: Likewise.
	* chips/scc_8530_hdw.c: Likewise.
	* chips/screen.c: Likewise.
	* chips/screen.h: Likewise.
	* chips/screen_defs.h: Likewise.
	* chips/screen_switch.c: Likewise.
	* chips/screen_switch.h: Likewise.
	* chips/serial_console.c: Likewise.
	* chips/serial_defs.h: Likewise.
	* chips/sfb_hdw.c: Likewise.
	* chips/sfb_misc.c: Likewise.
	* chips/spans.c: Likewise.
	* chips/spans.h: Likewise.
	* chips/tca100.c: Likewise.
	* chips/tca100.h: Likewise.
	* chips/tca100_if.c: Likewise.
	* chips/tca100_if.h: Likewise.
	* chips/vs42x_rb.h: Likewise.
	* chips/xcfb_hdw.c: Likewise.
	* chips/xcfb_misc.c: Likewise.
	* chips/xcfb_monitor.h: Likewise.
	* Makefile.in (chips-files): Only contain `busses.c' and `busses.h'.
	* kern/syscall_sw.c: Don't include <chips/nw_mk.h> anymore.

1 files changed, 0 insertions, 694 deletions

diff --git a/chips/serial_console.c b/chips/serial_console.c
deleted file mode 100644
index 7b15dd4..0000000
--- a/chips/serial_console.c
+++ /dev/null
@@ -1,694 +0,0 @@
-/* 
- * Mach Operating System
- * Copyright (c) 1991,1990,1989 Carnegie Mellon University
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-/*
- *	File: serial_console.c
- * 	Author: Alessandro Forin, Carnegie Mellon University
- *	Date:	7/91
- *
- *	Console driver for serial-line based consoles.
- */
-
-#include <constty.h>
-#if	NCONSTTY > 0
-#include <bm.h>
-#include <platforms.h>
-
-#include <mach_kdb.h>
-
-#include <machine/machspl.h>		/* spl definitions */
-#include <device/io_req.h>
-#include <device/tty.h>
-#include <sys/syslog.h>
-
-#include <chips/busses.h>
-#include <chips/screen_defs.h>
-#include <chips/serial_defs.h>
-
-#ifdef	DECSTATION
-#include <mips/prom_interface.h>
-#define	find_rconsole(p)	dec_check_rcline(p)
-#define	CONSOLE_SERIAL_LINE_NO	3
-#endif	/*DECSTATION*/
-
-#ifdef	VAXSTATION
-#define	find_rconsole(p)
-#define cnputc ser_putc
-#define cngetc ser_getc
-#define cnpollc ser_pollc
-#define cnmaygetc ser_maygetc
-#define	CONSOLE_SERIAL_LINE_NO	3
-#endif	/*VAXSTATION*/
-
-#ifdef	FLAMINGO
-#define	CONSOLE_SERIAL_LINE_NO	3
-#endif
-
-#ifndef	CONSOLE_SERIAL_LINE_NO
-#define	CONSOLE_SERIAL_LINE_NO	0
-#endif
-
-/* Size this as max possible number of lines in any serial chip we might use */
-static struct tty 	console_tty_data[NCONSTTY];
-struct tty		*console_tty[NCONSTTY];	/* exported */
-
-#define	DEFAULT_SPEED	B9600
-#define	DEFAULT_FLAGS	(TF_EVENP|TF_ODDP|TF_ECHO)
-
-
-/*
- * A machine MUST have a console.  In our case
- * things are a little complicated by the graphic
- * display: people expect it to be their "console",
- * but we'd like to be able to live without it.
- * This is not to be confused with the "rconsole" thing:
- * that just duplicates the console I/O to
- * another place (for debugging/logging purposes).
- *
- * There is then another historical kludge: if
- * there is a graphic display it is assumed that
- * the minor "1" is the mouse, with some more
- * magic attached to it.  And again, one might like to
- * use the serial line 1 as a regular one.
- *
- */
-#define	user_console	0
-
-int	console = 0;
-
-int	(*console_probe)() = 0,
-	(*console_param)() = 0,
-	(*console_start)() = 0,
-	(*console_putc)() = 0,
-	(*console_getc)() = 0,
-	(*console_pollc)() = 0,
-	(*console_mctl)() = 0,
-	(*console_softCAR)() = 0;
-
-/*
- * Lower-level (internal) interfaces, for printf and gets
- */
-int cnunit = 0;		/* which unit owns the 'console' */
-int cnline = 0;		/* which line of that unit */
-int rcline = 3;		/* alternate, "remote console" line */
-
-rcoff()
-{
-	spl_t s = splhigh();
-	cnpollc(FALSE);
-	rcline = 0;
-	cnpollc(TRUE);
-	splx(s);
-}
-
-rcputc(c)
-{
-	if (rcline)
-		(*console_putc)( cnunit, rcline, c);
-}
-
-cnputc(c)
-{
-#if	NBM > 0
-	if (SCREEN_ISA_CONSOLE()) {
-		/* this does its own rcputc */
-		screen_blitc(SCREEN_CONS_UNIT(), c);
-	} else
-#endif	NBM > 0
-	       {
-		rcputc(c);
-		(*console_putc)( cnunit, cnline, c);/* insist on a console still */
-	}
-	if (c == '\n')
-		cnputc('\r');
-}
-
-cngetc()
-{
-	return (*console_getc)( cnunit, cnline, TRUE, FALSE);
-}
-
-cnpollc(bool)
-{
-	(*console_pollc)(cnunit, bool);
-}
-
- 
-/* Debugger support */
-cnmaygetc()
-{
-	return (*console_getc)( cnunit, cnline, FALSE, FALSE);
-}
-
-
-#if	NBM > 0
-boolean_t
-screen_captures(line)
-	register int	line;
-{
-	return (SCREEN_ISA_CONSOLE() &&
-		((line == SCREEN_LINE_KEYBOARD) ||
-		 (line == SCREEN_LINE_POINTER)));
-}
-#endif
-
-/*
- * Higher level (external) interface, for GP use
- */
-
-
-/*
- * This is basically a special form of autoconf,
- * to get printf() going before true autoconf.
- */
-cons_find(tube)
-	boolean_t tube;
-{
-	static struct bus_device d;
-	register int		 i;
-	struct tty		*tp;
-
-	for (i = 0; i < NCONSTTY; i++)
-		console_tty[i] = &console_tty_data[i];
-	/* the hardware device will set tp->t_addr for valid ttys */
-
-	d.unit = 0;
-
-	if ((console_probe == 0) ||
-	    ((*console_probe)(0, &d) == 0)) {
-		/* we have no console, but maybe that's ok */
-#if	defined(DECSTATION) || defined(FLAMINGO)
-		/* no, it is not */
-		dprintf("%s", "no console!\n");
-		halt();
-#endif
-		return 0;
-	}
-
-	/*
-	 * Remote console line
-	 */
-	find_rconsole(&rcline);
-
-	/*
-	 * Console always on unit 0. Fix if you need to
-	 */
-	cnunit = 0;
-
-#if	NBM > 0
-	if (tube && screen_probe(0)) {
-
-		/* associate screen to console iff */
-		if (console == user_console)
-			screen_console = cnunit | SCREEN_CONS_ENBL;
-		cnline = SCREEN_LINE_KEYBOARD;
-
-		/* mouse and keybd */
-		tp = console_tty[SCREEN_LINE_KEYBOARD];
-		tp->t_ispeed = B4800;
-		tp->t_ospeed = B4800;
-		tp->t_flags = TF_LITOUT|TF_EVENP|TF_ECHO|TF_XTABS|TF_CRMOD;
-		tp->t_dev = SCREEN_LINE_KEYBOARD;
-		(*console_param)(tp, SCREEN_LINE_KEYBOARD);
-
-		tp = console_tty[SCREEN_LINE_POINTER];
-		tp->t_ispeed = B4800;
-		tp->t_ospeed = B4800;
-		tp->t_flags = TF_LITOUT|TF_ODDP;
-		tp->t_dev = SCREEN_LINE_POINTER;
-		(*console_param)(tp, SCREEN_LINE_POINTER);
-		/* console_scan will turn on carrier */
-
-	} else {
-#endif	NBM > 0
-		/* use non-graphic console as console */
-		cnline = CONSOLE_SERIAL_LINE_NO;
-
-		tp = console_tty[cnline];
-		tp->t_ispeed = B9600;
-		tp->t_ospeed = B9600;
-		tp->t_flags = TF_LITOUT|TF_EVENP|TF_ECHO|TF_XTABS|TF_CRMOD;
-		(*console_softCAR)(cnunit, cnline, TRUE);
-		console = cnline;
-		tp->t_dev = console;
-		(*console_param)(tp, SCREEN_LINE_OTHER);
-#if	NBM > 0
-	}
-
-	/*
-	 * Enable rconsole interrupts for KDB
-	 */
-	if (tube && rcline != cnline) {
-		tp = console_tty[rcline];
-		tp->t_ispeed = B9600;
-		tp->t_ospeed = B9600;
-		tp->t_flags = TF_LITOUT|TF_EVENP|TF_ECHO|TF_XTABS|TF_CRMOD;
-		tp->t_dev = rcline;
-		(*console_softCAR)(cnunit, rcline, TRUE);
-		(*console_param)(tp, SCREEN_LINE_OTHER);
-	} else
-	 	rcline = 0;
-#endif	NBM > 0
-}
-
-/*
- * Open routine
- */
-extern int
-	cons_start(struct tty *),
-	cons_stop(struct tty *, int),
-	cons_mctl(struct tty *, int, int);
-
-cons_open(dev, flag, ior)
-	int	dev;
-	int	flag;
-	io_req_t ior;
-{
-	register struct tty	*tp;
-	register int		ttyno;
- 
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-	if (ttyno >= NCONSTTY)
-		return D_NO_SUCH_DEVICE;
-	tp = console_tty[ttyno];
-
-	/* But was it there at probe time */
-	if (tp->t_addr == 0)
-		return D_NO_SUCH_DEVICE;
-
-	tp->t_start	= cons_start;
-	tp->t_stop	= cons_stop;
-	tp->t_mctl	= cons_mctl;
-
-#if	NBM > 0
-	if (screen_captures(ttyno))
-		screen_open(SCREEN_CONS_UNIT(), ttyno==SCREEN_LINE_KEYBOARD);
-#endif	NBM > 0
-
-	if ((tp->t_state & TS_ISOPEN) == 0) {
-		if (tp->t_ispeed == 0) {
-			tp->t_ispeed = DEFAULT_SPEED;
-			tp->t_ospeed = DEFAULT_SPEED;
-			tp->t_flags = DEFAULT_FLAGS;
-		}
-		tp->t_dev = dev;
-		(*console_param)(tp, ttyno);
-	}
-
-	return (char_open(dev, tp, flag, ior));
-}
-
-
-/*
- * Close routine
- */
-cons_close(dev, flag)
-	int dev;
-{
-	register struct tty	*tp;
-	register int		ttyno;
-	spl_t s;
- 
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-
-#if	NBM > 0
-	if (screen_captures(ttyno))
-		screen_close(SCREEN_CONS_UNIT(), ttyno==SCREEN_LINE_KEYBOARD);
-#endif	NBM > 0
-
-	tp = console_tty[ttyno];
-
-	s = spltty();
-	simple_lock(&tp->t_lock);
-
-	ttyclose(tp);
-
-	simple_unlock(&tp->t_lock);
-	splx(s);
-}
-
-cons_read(dev, ior)
-	int			dev;
-	register io_req_t	ior;
-{
-	register struct tty	*tp;
-	register 		ttyno;
- 
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-#if	NBM > 0
-	if (SCREEN_ISA_CONSOLE() && (ttyno == SCREEN_LINE_POINTER))
-		return screen_read(SCREEN_CONS_UNIT(), ior);
-#endif	NBM > 0
-
-	tp = console_tty[ttyno];
-	return char_read(tp, ior);
-}
- 
-
-cons_write(dev, ior)
-	int			dev;
-	register io_req_t	ior;
-{
-	register struct tty	*tp;
-	register		ttyno;
-
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-#if	NBM > 0
-	if (screen_captures(ttyno))
-		return screen_write(SCREEN_CONS_UNIT(), ior);
-#endif	NBM > 0
-
-	tp = console_tty[ttyno];
-	return char_write(tp, ior);
-}
-
-/*
- * Start output on a line
- */
-cons_start(tp)
-	register struct tty *tp;
-{
-	spl_t			s;
- 
-	s = spltty();
-	if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))
-		goto out;
-
-	if (tp->t_outq.c_cc == 0)
-		goto out;
-
-	tp->t_state |= TS_BUSY;
-
-	(*console_start)(tp);
-
-out:
-	splx(s);
-}
-
-/*
- * Stop output on a line.
- */
-cons_stop(tp, flag)
-	register struct tty *tp;
-{
-	register spl_t s;
-
-	s = spltty();
-	if (tp->t_state & TS_BUSY) {
-		if ((tp->t_state&TS_TTSTOP)==0)
-			tp->t_state |= TS_FLUSH;
-	}
-	splx(s);
-}
- 
-
-/*
- * Modem control
- */
-cons_mctl(
-	struct tty	*tp,
-	int		bits,
-	int		how)
-{
-	return (*console_mctl)(tp->t_dev, bits, how);
-}
-
-/*
- * Abnormal close
- */
-cons_portdeath(dev, port)
-	int	dev;
-	mach_port_t port;
-{
-	if (dev == user_console)
-		dev = console;
-	return (tty_portdeath(console_tty[dev], port));
-}
-
-/*
- * Get/Set status rotuines
- */
-io_return_t
-cons_get_status(dev, flavor, data, status_count)
-	int		dev;
-	dev_flavor_t	flavor;
-	int *		data;		/* pointer to OUT array */
-	unsigned int	*status_count;		/* out */
-{
-	register struct tty *tp;
-	register int	ttyno;
-
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-
-#if	NBM > 0
-	if (screen_captures(ttyno) &&
-	    (screen_get_status(SCREEN_CONS_UNIT(),
-			flavor, data, status_count) == D_SUCCESS))
-		return D_SUCCESS;
-#endif	NBM > 0
-
-	tp = console_tty[ttyno];
-
-	switch (flavor) {
-	    case TTY_MODEM:
-		/* Take all bits */
-		*data = (*console_mctl)(dev, -1, DMGET);
-		*status_count = 1;
-		break;
-	    default:
-		return (tty_get_status(tp, flavor, data, status_count));
-	}
-	return (D_SUCCESS);
-}
-
-io_return_t
-cons_set_status(dev, flavor, data, status_count)
-	int		dev;
-	dev_flavor_t	flavor;
-	int *		data;
-	unsigned int	status_count;
-{
-	register struct tty *tp;
-	register int	ttyno;
-
-	if (dev == user_console)
-		dev = console;
-
-	ttyno = dev;
-
-#if	NBM > 0
-	if (screen_captures(ttyno) &&
-	    (screen_set_status(SCREEN_CONS_UNIT(),
-			flavor, data, status_count) == D_SUCCESS))
-		return D_SUCCESS;
-#endif	NBM > 0
-
-	tp  = console_tty[ttyno];
-
-	switch (flavor) {
-	    case TTY_MODEM:
-		if (status_count < TTY_MODEM_COUNT)
-		    return (D_INVALID_OPERATION);
-		(void) (*console_mctl)(dev, *data, DMSET);
-		break;
-
-	    case TTY_SET_BREAK:
-		(void) (*console_mctl)(dev, TM_BRK, DMBIS);
-		break;
-
-	    case TTY_CLEAR_BREAK:
-		(void) (*console_mctl)(dev, TM_BRK, DMBIC);
-		break;
-
-	    case TTY_STATUS:
-	    {
-		register int error = D_SUCCESS;
-		struct tty_status *tsp;
-
-		/*
-		 * Defend from noise. The cshell...
-		 */
-		tsp = (struct tty_status *)data;
-		if ((tsp->tt_ispeed != tp->t_ispeed) ||
-		    (tsp->tt_ospeed != tp->t_ospeed) ||
-		    (tsp->tt_breakc != tp->t_breakc) ||
-		    ((tsp->tt_flags & ~TF_HUPCLS) != tp->t_flags)) {
-
-			error = tty_set_status(tp, flavor, data, status_count);
-			if (error == 0) {
-			    spl_t s = spltty();
-			    tp->t_state &= ~(TS_BUSY|TS_FLUSH);
-			    (*console_param)(tp, ttyno);
-			    splx(s);
-			}
-		} else
-		if (tsp->tt_flags & TF_HUPCLS)
-			tp->t_state |= TS_HUPCLS;
-		return (error);
-	    }
-	    default:
-		return (tty_set_status(tp, flavor, data, status_count));
-	}
-	return (D_SUCCESS);
-}
-
-
-/*
- * A simple scheme to dispatch interrupts.
- *
- * This deals with the fairly common case where we get an
- * interrupt on each rx/tx character.  A more elaborate
- * scheme [someday here too..] would handle instead many
- * characters per interrupt, perhaps using a DMA controller
- * or a large SILO.  Note that it is also possible to simulate
- * a DMA chip with 'pseudo-dma' code that runs directly down
- * in the interrupt routine.
- */
- 
-/*
- * We just received a character, ship it up for further processing.
- * Arguments are the tty number for which it is meant, a flag that
- * indicates a keyboard or mouse is potentially attached to that
- * tty (-1 if not), the character proper stripped down to 8 bits,
- * and an indication of any error conditions associated with the
- * receipt of the character.
- * We deal here with rconsole input handling and dispatching to
- * mouse or keyboard translation routines. cons_input() does
- * the rest.
- */
-#if	MACH_KDB
-int	l3break = 0x10;		/* dear old ^P, we miss you so bad. */
-#endif	MACH_KDB
-
-cons_simple_rint(ttyno, line, c, err)
-	int		line;
-	int		c;
-{
-	/*
-	 * Rconsole. Drop in the debugger on break or ^P.
-	 * Otherwise pretend input came from keyboard.
-	 */
-	if (rcline && ttyno == rcline) {
-#if	MACH_KDB
-		if ((err & CONS_ERR_BREAK) ||
-		    ((c & 0x7f) == l3break))
-			return gimmeabreak();
-#endif	/* MACH_KDB */
-		ttyno = console;
-		goto process_it;
-	}
-
-#if	NBM > 0
-	if (screen_captures(line)) {
-		if (line == SCREEN_LINE_POINTER)
-			return mouse_input(SCREEN_CONS_UNIT(), c);
-		if (line == SCREEN_LINE_KEYBOARD) {
-			c = lk201_rint(SCREEN_CONS_UNIT(), c, FALSE, FALSE);
-			if (c == -1)
-				return; /* shift or bad char */
-		}
-	}
-#endif	NBM > 0
-process_it:
-	cons_input(ttyno, c, err);
-}
-
-/*
- * Send along a character on a tty.  If we were waiting for
- * this char to complete the open procedure do so; check
- * for errors; if all is well proceed to ttyinput().
- */
-cons_input(ttyno, c, err)
-{
-	register struct tty *tp;
-
-	tp  = console_tty[ttyno];
-
-	if ((tp->t_state & TS_ISOPEN) == 0) {
-		tt_open_wakeup(tp);
-		return;
-	}
-	if (err) {
-		if (err & CONS_ERR_OVERRUN)
-			log(LOG_WARNING, "sl%d: silo overflow\n", ttyno);
-
-		if (err & CONS_ERR_PARITY)	
-			if (((tp->t_flags & (TF_EVENP|TF_ODDP)) == TF_EVENP)
-			  || ((tp->t_flags & (TF_EVENP|TF_ODDP)) == TF_ODDP))
-				return;
-		if (err & CONS_ERR_BREAK)	/* XXX autobaud XXX */
-			c = tp->t_breakc;
-	}
-	ttyinput(c, tp);
-}
- 
-/*
- * Transmission of a character is complete.
- * Return the next character or -1 if none.
- */
-cons_simple_tint(ttyno, all_sent)
-	boolean_t	all_sent;
-{
-	register struct tty *tp;
- 
-	tp = console_tty[ttyno];
-	if ((tp->t_addr == 0) || /* not probed --> stray */
-	    (tp->t_state & TS_TTSTOP))
-		return -1;
-
-	if (all_sent) {
-		tp->t_state &= ~TS_BUSY;
-		if (tp->t_state & TS_FLUSH)
-			tp->t_state &= ~TS_FLUSH;
-
-		cons_start(tp);
-	}
-
-	if (tp->t_outq.c_cc == 0 || (tp->t_state&TS_BUSY)==0)
-		return -1;
-
-	return getc(&tp->t_outq);
-}
-
- 
-
-
-
-#endif	/*NCONSTTY > 0*/