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Fixed bug with lost characters in DDB output.

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This commit is contained in:
ragge 1998-05-23 12:49:30 +00:00
parent 492ee1399e
commit b28c99b245
3 changed files with 23 additions and 14 deletions
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5
sys/arch/vax/uba/dz.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: dz.c,v 1.8 1998/05/21 13:02:21 ragge Exp $ */
/* $NetBSD: dz.c,v 1.9 1998/05/23 12:49:30 ragge Exp $ */
/*
* Copyright (c) 1996 Ken C. Wellsch. All rights reserved.
* Copyright (c) 1992, 1993
@ -182,8 +182,7 @@ dzrint(cntlr)
cc |= TTY_PE;
#if DDB && (VAX410 || VAX43)
#define DZMAJOR 1 /* XXX */
if (makedev(DZMAJOR, line + NDZLINE*cntlr) == cn_tab->cn_dev) {
if (tp->t_dev == cn_tab->cn_dev) {
int j = kdbrint(cc);
if (j == 1) /* Escape received, just return */

27
sys/arch/vax/vsa/dz_vsbus.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: dz_vsbus.c,v 1.2 1998/05/21 13:02:21 ragge Exp $ */
/* $NetBSD: dz_vsbus.c,v 1.3 1998/05/23 12:49:31 ragge Exp $ */
/*
* Copyright (c) 1998 Ludd, University of Lule}, Sweden.
* All rights reserved.
@ -138,6 +138,10 @@ dzcngetc(dev)
dev_t dev;
{
int c;
u_char mask;
mask = vs_cpu->vc_intmsk; /* save old state */
vs_cpu->vc_intmsk = 0; /* disable all interrupts */
do {
while ((dz->csr & 0x80) == 0)
@ -147,6 +151,10 @@ dzcngetc(dev)
if (c == 13)
c = 10;
vs_cpu->vc_intclr = 0x80; /* clear te interrupt request */
vs_cpu->vc_intmsk = mask; /* restore interrupt mask */
return (c);
}
@ -195,14 +203,24 @@ dzcnputc(dev,ch)
int ch;
{
int timeout = 1<<15; /* don't hang the machine! */
u_short tcr;
u_char mask;
if (mfpr(PR_MAPEN) == 0)
return;
mask = vs_cpu->vc_intmsk; /* save old state */
vs_cpu->vc_intmsk = 0; /* disable all interrupts */
tcr = dz->tcr; /* remember which lines to scan */
dz->tcr = 8; /* XXX */
while ((dz->csr & 0x8000) == 0) /* Wait until ready */
if (--timeout < 0)
break;
dz->tdr = ch; /* Put the character */
dz->tcr = tcr;
vs_cpu->vc_intmsk = mask; /* restore interrupt mask */
}
void
@ -210,11 +228,4 @@ dzcnpollc(dev, pollflag)
dev_t dev;
int pollflag;
{
if (pollflag) {
vsbus_intr_disable(INR_SR);
vsbus_intr_disable(INR_ST);
} else {
vsbus_intr_enable(INR_SR);
vsbus_intr_enable(INR_ST);
}
}

5
sys/dev/dec/qbus/dz.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: dz.c,v 1.8 1998/05/21 13:02:21 ragge Exp $ */
/* $NetBSD: dz.c,v 1.9 1998/05/23 12:49:30 ragge Exp $ */
/*
* Copyright (c) 1996 Ken C. Wellsch. All rights reserved.
* Copyright (c) 1992, 1993
@ -182,8 +182,7 @@ dzrint(cntlr)
cc |= TTY_PE;
#if DDB && (VAX410 || VAX43)
#define DZMAJOR 1 /* XXX */
if (makedev(DZMAJOR, line + NDZLINE*cntlr) == cn_tab->cn_dev) {
if (tp->t_dev == cn_tab->cn_dev) {
int j = kdbrint(cc);
if (j == 1) /* Escape received, just return */