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Implement promcncheckc.

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This commit is contained in:
Doug Rabson 1998-07-12 16:15:06 +00:00
parent a85c203100
commit 2895b128c7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=37589
3 changed files with 12 additions and 14 deletions
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18
sys/alpha/alpha/prom.c
View file

@ -50,7 +50,7 @@
#include <machine/cons.h>
/* XXX this is to fake out the console routines, while booting. */
struct consdev promcons = { NULL, NULL, promcngetc, NULL, promcnputc,
struct consdev promcons = { NULL, NULL, promcngetc, promcncheckc, promcnputc,
NULL, makedev(97,0), CN_NORMAL };
struct rpb *hwrpb;
@ -231,14 +231,13 @@ promcngetc(dev)
}
/*
* promcnlookc:
* promcncheckc
*
* See if prom has a real char and pass it back.
* If a char is ready, return it, otherwise return -1.
*/
int
promcnlookc(dev, cp)
promcncheckc(dev)
dev_t dev;
char *cp;
{
prom_return_t ret;
int s;
@ -246,11 +245,10 @@ promcnlookc(dev, cp)
s = enter_prom();
ret.bits = prom_getc(alpha_console);
leave_prom(s);
if (ret.u.status == 0 || ret.u.status == 1) {
*cp = ret.u.retval;
return 1;
} else
return 0;
if (ret.u.status == 0 || ret.u.status == 1)
return (ret.u.retval);
else
return (-1);
}
int

6
sys/alpha/alpha/promcons.c
View file

@ -1,4 +1,4 @@
/* $Id$ */
/* $Id: promcons.c,v 1.2 1998/07/05 11:59:44 dfr Exp $ */
/* $NetBSD: promcons.c,v 1.13 1998/03/21 22:52:59 mycroft Exp $ */
/*
@ -245,9 +245,9 @@ promtimeout(v)
void *v;
{
struct tty *tp = v;
u_char c;
int c;
while (promcnlookc(tp->t_dev, &c)) {
while ((c = promcncheckc(tp->t_dev)) != -1) {
if (tp->t_state & TS_ISOPEN)
(*linesw[tp->t_line].l_rint)(c, tp);
}

2
sys/alpha/include/prom.h
View file

@ -95,7 +95,7 @@ int prom_getenv __P((int, char *, int));
#ifdef KERNEL
void promcnputc __P((dev_t, int));
int promcngetc __P((dev_t));
int promcnlookc __P((dev_t, char *));
int promcncheckc __P((dev_t));
u_int64_t prom_dispatch __P((u_int64_t, u_int64_t, u_int64_t, u_int64_t,
u_int64_t));