this file has not been used for a long time.
This commit is contained in:
mrg
parent
5e7069506f
commit
4bd0bb352b
@ -1,639 +0,0 @@
|
||||
/* $NetBSD: cons.c,v 1.3 2000/03/23 06:45:37 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Lawrence Berkeley Laboratory.
|
||||
*
|
||||
* 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 by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. 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.
|
||||
*
|
||||
* @(#)cons.c 8.3 (Berkeley) 12/14/93
|
||||
*/
|
||||
|
||||
/*
|
||||
* Console (indirect) driver.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/tty.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/conf.h>
|
||||
|
||||
#include <dev/cons.h>
|
||||
|
||||
#include <machine/openfirm.h>
|
||||
#include <machine/bsd_openprom.h>
|
||||
#include <machine/eeprom.h>
|
||||
#include <machine/psl.h>
|
||||
#include <machine/cpu.h>
|
||||
#include <machine/kbd.h>
|
||||
#include <machine/sparc64.h>
|
||||
#include <machine/autoconf.h>
|
||||
#include <machine/conf.h>
|
||||
|
||||
#include "zs.h"
|
||||
|
||||
struct tty *constty = 0; /* virtual console output device */
|
||||
struct tty *fbconstty = 0; /* tty structure for frame buffer console */
|
||||
int rom_console_input; /* when set, hardclock calls cnrom() */
|
||||
|
||||
/* PROM console descriptors */
|
||||
#define printf prom_printf /* Make sure we can see what's printed in here */
|
||||
#define panic prom_printf
|
||||
|
||||
int cons_ocount; /* output byte count */
|
||||
|
||||
/*
|
||||
* The output driver may munge the minor number in cons.t_dev.
|
||||
*/
|
||||
struct tty cons; /* rom console tty device */
|
||||
static void (*fcnstop) __P((struct tty *, int));
|
||||
|
||||
static void cnstart __P((struct tty *));
|
||||
void cnstop __P((struct tty *, int));
|
||||
|
||||
static void cnfbstart __P((struct tty *));
|
||||
static void cnfbstop __P((struct tty *, int));
|
||||
static void cnfbdma __P((void *));
|
||||
static struct tty *xxcntty __P((dev_t));
|
||||
|
||||
extern char char_type[];
|
||||
|
||||
/*XXX*/
|
||||
static struct tty *
|
||||
xxcntty(dev_t dev)
|
||||
{
|
||||
return &cons;
|
||||
}
|
||||
|
||||
void
|
||||
consinit()
|
||||
{
|
||||
register struct tty *tp = &cons;
|
||||
register int in, out;
|
||||
register int node,fd;
|
||||
char buffer[128];
|
||||
register char *cp;
|
||||
extern int fbnode;
|
||||
|
||||
/* Done already? */
|
||||
if (tp->t_param) return;
|
||||
|
||||
/*XXX*/ cdevsw[0].d_tty = xxcntty;
|
||||
tp->t_dev = makedev(0, 0); /* /dev/console */
|
||||
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
|
||||
tp->t_param = (int (*)(struct tty *, struct termios *))nullop;
|
||||
|
||||
/* We need to probe the PROM device tree */
|
||||
|
||||
in = out = -1;
|
||||
|
||||
prom_printf("setting up stdin\r\n");
|
||||
node = OF_instance_to_package(OF_stdin());
|
||||
prom_printf("stdin package = %x\r\n", node);
|
||||
if (OF_getproplen(node,"keyboard") >= 0) {
|
||||
in = PROMDEV_KBD;
|
||||
goto setup_output;
|
||||
}
|
||||
if (strcmp(getpropstring(node,"device_type"),"serial") != 0) {
|
||||
/* not a serial, not keyboard. what is it?!? */
|
||||
in = -1;
|
||||
goto setup_output;
|
||||
}
|
||||
/*
|
||||
* At this point we assume the device path is in the form
|
||||
* ....device@x,y:a for ttya and ...device@x,y:b for ttyb.
|
||||
* If it isn't, we defer to the ROM
|
||||
*/
|
||||
if(OF_instance_to_path(OF_stdin(), buffer, sizeof(buffer)) <= 0) {
|
||||
printf("consinit: bogus stdin path.\n");
|
||||
goto setup_output;
|
||||
}
|
||||
cp = buffer;
|
||||
while (*cp)
|
||||
cp++;
|
||||
cp -= 2;
|
||||
#ifdef DEBUG
|
||||
if (cp < buffer)
|
||||
panic("consinit: bad stdin path %s",buffer);
|
||||
#endif
|
||||
/* XXX: only allows tty's a->z, assumes PROMDEV_TTYx contig */
|
||||
if (cp[0]==':' && cp[1] >= 'a' && cp[1] <= 'z')
|
||||
in = PROMDEV_TTYA + (cp[1] - 'a');
|
||||
/* else use rom */
|
||||
setup_output:
|
||||
prom_printf("setting up stdout\r\n");
|
||||
node = OF_instance_to_package(OF_stdout());
|
||||
prom_printf("stdout package = %x\r\n", node);
|
||||
if (strcmp(getpropstring(node,"device_type"),"display") == 0) {
|
||||
/* frame buffer output */
|
||||
out = PROMDEV_SCREEN;
|
||||
fbnode = node;
|
||||
} else if (strcmp(getpropstring(node,"device_type"), "serial")
|
||||
!= 0) {
|
||||
/* not screen, not serial. Whatzit? */
|
||||
out = -1;
|
||||
} else { /* serial console. which? */
|
||||
/*
|
||||
* At this point we assume the device path is in the
|
||||
* form:
|
||||
* ....device@x,y:a for ttya, etc.
|
||||
* If it isn't, we defer to the ROM
|
||||
*/
|
||||
if(OF_instance_to_path(OF_stdout(), buffer, sizeof(buffer)) <= 0) {
|
||||
printf("consinit: bogus stdout path.\n");
|
||||
goto setup_output;
|
||||
}
|
||||
cp = buffer;
|
||||
while (*cp)
|
||||
cp++;
|
||||
cp -= 2;
|
||||
#ifdef DEBUG
|
||||
if (cp < buffer)
|
||||
panic("consinit: bad stdout path %s",buffer);
|
||||
#endif
|
||||
/* XXX: only allows tty's a->z, assumes PROMDEV_TTYx contig */
|
||||
if (cp[0]==':' && cp[1] >= 'a' && cp[1] <= 'z')
|
||||
out = PROMDEV_TTYA + (cp[1] - 'a');
|
||||
else out = -1;
|
||||
}
|
||||
setup_console:
|
||||
switch (in) {
|
||||
#if NZS > 0
|
||||
case PROMDEV_TTYA:
|
||||
zsconsole(tp, 0, 0, NULL);
|
||||
break;
|
||||
|
||||
case PROMDEV_TTYB:
|
||||
zsconsole(tp, 1, 0, NULL);
|
||||
break;
|
||||
#endif
|
||||
|
||||
case PROMDEV_KBD:
|
||||
/*
|
||||
* Tell the keyboard driver to direct ASCII input here.
|
||||
*/
|
||||
kbd_ascii(tp);
|
||||
break;
|
||||
|
||||
default:
|
||||
rom_console_input = 1;
|
||||
printf("unknown console input source %d; using rom\n", in);
|
||||
break;
|
||||
}
|
||||
switch (out) {
|
||||
|
||||
#if NZS > 0
|
||||
case PROMDEV_TTYA:
|
||||
zsconsole(tp, 0, 1, &fcnstop);
|
||||
break;
|
||||
|
||||
case PROMDEV_TTYB:
|
||||
zsconsole(tp, 1, 1, &fcnstop);
|
||||
break;
|
||||
#endif
|
||||
|
||||
case PROMDEV_SCREEN:
|
||||
fbconstty = tp;
|
||||
tp->t_oproc = cnfbstart;
|
||||
fcnstop = cnfbstop;
|
||||
break;
|
||||
|
||||
default:
|
||||
printf("unknown console output sink %d; using rom\n", out);
|
||||
tp->t_oproc = cnstart;
|
||||
fcnstop = (void (*)(struct tty *, int))nullop;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
cnopen(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag, mode;
|
||||
struct proc *p;
|
||||
{
|
||||
register struct tty *tp = &cons;
|
||||
static int firstopen = 1;
|
||||
static int rows = 0, cols = 0;
|
||||
|
||||
if (firstopen) {
|
||||
int i;
|
||||
char *prop;
|
||||
|
||||
clalloc(&tp->t_rawq, 1024, 1);
|
||||
clalloc(&tp->t_canq, 1024, 1);
|
||||
/* output queue doesn't need quoting */
|
||||
clalloc(&tp->t_outq, 1024, 0);
|
||||
tty_attach(tp);
|
||||
/*
|
||||
* get the console struct winsize.
|
||||
*/
|
||||
if ((prop = getpropstring(optionsnode, "screen-#rows"))) {
|
||||
i = 0;
|
||||
while (*prop != '\0')
|
||||
i = i * 10 + *prop++ - '0';
|
||||
rows = (unsigned short)i;
|
||||
}
|
||||
if ((prop = getpropstring(optionsnode, "screen-#columns"))) {
|
||||
i = 0;
|
||||
while (*prop != '\0')
|
||||
i = i * 10 + *prop++ - '0';
|
||||
cols = (unsigned short)i;
|
||||
}
|
||||
firstopen = 0;
|
||||
}
|
||||
|
||||
if ((tp->t_state & TS_ISOPEN) == 0) {
|
||||
/*
|
||||
* Leave baud rate alone!
|
||||
*/
|
||||
ttychars(tp);
|
||||
tp->t_iflag = TTYDEF_IFLAG;
|
||||
tp->t_oflag = TTYDEF_OFLAG;
|
||||
tp->t_lflag = TTYDEF_LFLAG;
|
||||
tp->t_cflag = TTYDEF_CFLAG;
|
||||
tp->t_state = TS_ISOPEN | TS_CARR_ON;
|
||||
(void)(*tp->t_param)(tp, &tp->t_termios);
|
||||
ttsetwater(tp);
|
||||
tp->t_winsize.ws_row = rows;
|
||||
tp->t_winsize.ws_col = cols;
|
||||
} else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
|
||||
return (EBUSY);
|
||||
return ((*linesw[tp->t_line].l_open)(dev, tp));
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
cnclose(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag, mode;
|
||||
struct proc *p;
|
||||
{
|
||||
register struct tty *tp = &cons;
|
||||
|
||||
(*linesw[tp->t_line].l_close)(tp, flag);
|
||||
ttyclose(tp);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
cnread(dev, uio, flag)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flag;
|
||||
{
|
||||
register struct tty *tp = &cons;
|
||||
|
||||
return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
cnwrite(dev, uio, flag)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flag;
|
||||
{
|
||||
register struct tty *tp;
|
||||
|
||||
if ((tp = constty) == NULL ||
|
||||
(tp->t_state & (TS_CARR_ON|TS_ISOPEN)) != (TS_CARR_ON|TS_ISOPEN))
|
||||
tp = &cons;
|
||||
return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
|
||||
}
|
||||
|
||||
int
|
||||
cnioctl(dev, cmd, data, flag, p)
|
||||
dev_t dev;
|
||||
u_long cmd;
|
||||
caddr_t data;
|
||||
int flag;
|
||||
struct proc *p;
|
||||
{
|
||||
register struct tty *tp;
|
||||
int error;
|
||||
|
||||
/*
|
||||
* Superuser can always use this to wrest control of console
|
||||
* output from the "virtual" console.
|
||||
*/
|
||||
if (cmd == TIOCCONS && constty) {
|
||||
error = suser(p->p_ucred, (u_short *)NULL);
|
||||
if (error)
|
||||
return (error);
|
||||
constty = NULL;
|
||||
return (0);
|
||||
}
|
||||
tp = &cons;
|
||||
if ((error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, p)) >= 0)
|
||||
return (error);
|
||||
if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
|
||||
return (error);
|
||||
return (ENOTTY);
|
||||
}
|
||||
|
||||
int
|
||||
cnpoll(dev, events, p)
|
||||
dev_t dev;
|
||||
int events;
|
||||
struct proc *p;
|
||||
{
|
||||
|
||||
return (ttpoll(makedev(major(dev), 0), events, p));
|
||||
}
|
||||
|
||||
/*
|
||||
* The rest of this code is run only when we are using the ROM vectors.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Generic output. We just call putchar. (Very bad for performance.)
|
||||
*/
|
||||
static void
|
||||
cnstart(tp)
|
||||
register struct tty *tp;
|
||||
{
|
||||
register int c, s;
|
||||
|
||||
s = spltty();
|
||||
if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
|
||||
splx(s);
|
||||
return;
|
||||
}
|
||||
while (tp->t_outq.c_cc) {
|
||||
unsigned char c0;
|
||||
c = getc(&tp->t_outq);
|
||||
/*
|
||||
* *%&!*& ROM monitor console putchar is not reentrant!
|
||||
* splhigh/tty around it so as not to run so long with
|
||||
* clock interrupts blocked.
|
||||
*/
|
||||
c0 = c & 0177;
|
||||
(void) splhigh();
|
||||
OF_write(OF_stdout(), &c0, 1);
|
||||
(void) spltty();
|
||||
}
|
||||
if (tp->t_state & TS_ASLEEP) { /* can't happen? */
|
||||
tp->t_state &= ~TS_ASLEEP;
|
||||
wakeup((caddr_t)&tp->t_outq);
|
||||
}
|
||||
selwakeup(&tp->t_wsel);
|
||||
splx(s);
|
||||
}
|
||||
|
||||
void
|
||||
cnstop(tp, flag)
|
||||
register struct tty *tp;
|
||||
int flag;
|
||||
{
|
||||
|
||||
(*fcnstop)(tp, flag);
|
||||
}
|
||||
|
||||
/*
|
||||
* Frame buffer output.
|
||||
* We use pseudo-DMA, via the ROM `write string' function, called from
|
||||
* software clock interrupts.
|
||||
*/
|
||||
static void
|
||||
cnfbstart(tp)
|
||||
register struct tty *tp;
|
||||
{
|
||||
register int s;
|
||||
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstart:start\r\n");
|
||||
#endif
|
||||
s = spltty(); /* paranoid: splsoftclock should suffice */
|
||||
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
|
||||
splx(s);
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstart:busy state:%x\r\n", tp->t_state);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
/*
|
||||
* If there are sleepers, and output has drained below low
|
||||
* water mark, awaken.
|
||||
*/
|
||||
if (tp->t_outq.c_cc <= tp->t_lowat) {
|
||||
if (tp->t_state & TS_ASLEEP) {
|
||||
tp->t_state &= ~TS_ASLEEP;
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstart: wakeup\r\n");
|
||||
#endif
|
||||
wakeup((caddr_t)&tp->t_outq);
|
||||
}
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstart: selwakeup\r\n");
|
||||
#endif
|
||||
selwakeup(&tp->t_wsel);
|
||||
}
|
||||
if (tp->t_outq.c_cc) {
|
||||
tp->t_state |= TS_BUSY;
|
||||
if (s == 0) {
|
||||
(void) spllowersoftclock();
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstart: cnfbdma\r\n");
|
||||
#endif
|
||||
cnfbdma((void *)tp);
|
||||
} else {
|
||||
#ifdef NOTDEF_DEBUG
|
||||
/* printspl = 1;*/
|
||||
prom_printf("cnfbstart: timeout\r\n");
|
||||
#endif
|
||||
callout_reset(&tp->t_rstrt_ch, 1, cnfbdma, tp);
|
||||
}
|
||||
}
|
||||
splx(s);
|
||||
}
|
||||
|
||||
/*
|
||||
* Stop frame buffer output: just assert TS_FLUSH if necessary.
|
||||
*/
|
||||
static void
|
||||
cnfbstop(tp, flag)
|
||||
register struct tty *tp;
|
||||
int flag;
|
||||
{
|
||||
register int s = spltty(); /* paranoid */
|
||||
|
||||
if ((tp->t_state & (TS_BUSY | TS_TTSTOP)) == TS_BUSY)
|
||||
tp->t_state |= TS_FLUSH;
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbstop\r\n");
|
||||
#endif
|
||||
splx(s);
|
||||
}
|
||||
|
||||
/*
|
||||
* Do pseudo-dma (called from software interrupt).
|
||||
*/
|
||||
static void
|
||||
cnfbdma(tpaddr)
|
||||
void *tpaddr;
|
||||
{
|
||||
register struct tty *tp = tpaddr;
|
||||
register unsigned char *p, *q;
|
||||
register int n, c, s;
|
||||
|
||||
s = spltty(); /* paranoid */
|
||||
if (tp->t_state & TS_FLUSH) {
|
||||
tp->t_state &= ~(TS_BUSY | TS_FLUSH);
|
||||
splx(s);
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbdma: flush\r\n");
|
||||
#endif
|
||||
} else {
|
||||
tp->t_state &= ~TS_BUSY;
|
||||
splx(s);
|
||||
p = tp->t_outq.c_cf;
|
||||
n = ndqb(&tp->t_outq, 0);
|
||||
for (q = p, c = n; --c >= 0; q++)
|
||||
if (*q & 0200) /* high bits seem to be bad */
|
||||
*q &= ~0200;
|
||||
#ifdef NOTDEF_DEBUG
|
||||
prom_printf("cnfbdma: write\r\n");
|
||||
#endif
|
||||
OF_write(OF_stdout(), p, n);
|
||||
ndflush(&tp->t_outq, n);
|
||||
}
|
||||
if (tp->t_line)
|
||||
(*linesw[tp->t_line].l_start)(tp);
|
||||
else
|
||||
cnfbstart(tp);
|
||||
}
|
||||
|
||||
/*
|
||||
* The following is for rom console input. The rom will not call
|
||||
* an `interrupt' routine on console input ready, so we must poll.
|
||||
* This is all rather sad.
|
||||
*/
|
||||
volatile int cn_rxc = -1; /* XXX receive `silo' */
|
||||
|
||||
/* called from hardclock, which is above spltty, so no tty calls! */
|
||||
int
|
||||
cnrom()
|
||||
{
|
||||
unsigned char c0;
|
||||
|
||||
if (cn_rxc >= 0)
|
||||
return (1);
|
||||
if(OF_read(OF_stdin(), &c0, 1) <= 0)
|
||||
return (0);
|
||||
cn_rxc = c0;
|
||||
return (1);
|
||||
}
|
||||
|
||||
/* pseudo console software interrupt scheduled when cnrom() returns 1 */
|
||||
void
|
||||
cnrint()
|
||||
{
|
||||
register struct tty *tp;
|
||||
register int c, s;
|
||||
|
||||
s = splclock();
|
||||
c = cn_rxc;
|
||||
cn_rxc = -1;
|
||||
splx(s);
|
||||
if (c < 0)
|
||||
return;
|
||||
tp = &cons;
|
||||
if ((tp->t_cflag & CSIZE) == CS7) {
|
||||
/* XXX this should be done elsewhere, if at all */
|
||||
if (tp->t_cflag & PARENB)
|
||||
if (tp->t_cflag & PARODD ?
|
||||
(char_type[c & 0177] & 0200) == (c & 0200) :
|
||||
(char_type[c & 0177] & 0200) != (c & 0200))
|
||||
c |= TTY_PE;
|
||||
c &= ~0200;
|
||||
}
|
||||
(*linesw[tp->t_line].l_rint)(c, tp);
|
||||
}
|
||||
|
||||
int
|
||||
cngetc()
|
||||
{
|
||||
register int s, c;
|
||||
register int n = 0;
|
||||
unsigned char c0;
|
||||
s = splhigh();
|
||||
while (n <= 0) {
|
||||
n = OF_read(OF_stdin(), &c0, 1);
|
||||
}
|
||||
splx(s);
|
||||
c = c0;
|
||||
if (c == '\r')
|
||||
c = '\n';
|
||||
return (c);
|
||||
}
|
||||
|
||||
void
|
||||
cnputc(c)
|
||||
register int c;
|
||||
{
|
||||
register int s;
|
||||
unsigned char c0;
|
||||
|
||||
if (c == '\n')
|
||||
cnputc('\r');
|
||||
c0 = c;
|
||||
s = splhigh();
|
||||
OF_write(OF_stdout(), &c0, 1);
|
||||
splx(s);
|
||||
}
|
||||
|
||||
int swallow_zsintrs;
|
||||
|
||||
void
|
||||
cnpollc(on)
|
||||
int on;
|
||||
{
|
||||
/*
|
||||
* Need to tell zs driver to acknowledge all interrupts or we get
|
||||
* annoying spurious interrupt messages.
|
||||
*/
|
||||
|
||||
if (on) swallow_zsintrs++;
|
||||
else swallow_zsintrs--;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user