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ttsetcompat is a '#ifdef COMPAT_43' feature.

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Dropping into the debugger when a break comes down the serial line is a
>MISFEATURE (1st class)< and has been put under it's own #ifdef.  This
should be a magic sequence of chars instead.
This commit is contained in:
phk 1995-04-12 22:00:41 +00:00
parent 607cd0b4b3
commit 1ffa98c382
3 changed files with 15 additions and 3 deletions
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6
sys/dev/sio/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.89 1995/04/11 17:58:09 ache Exp $
* $Id: sio.c,v 1.90 1995/04/12 20:48:05 wollman Exp $
*/
#include "sio.h"
@ -1127,12 +1127,14 @@ siointr1(com)
recv_data = inb(com->data_port);
if (line_status & (LSR_PE|LSR_FE|LSR_BI)) {
#ifdef DDB
#ifdef BREAK_TO_DEBUGGER
if ( (line_status & LSR_BI)
&& (COMCONSOLE || boothowto & RB_SERIAL)
&& com->unit == comconsole) {
Debugger("serial console break");
goto cont;
}
#endif
#endif
/*
Don't store PE if IGNPAR and BI if IGNBRK,
@ -1293,10 +1295,12 @@ sioioctl(dev, cmd, data, flag, p)
tp = com->tp;
term = tp->t_termios;
oldcmd = cmd;
#if defined (COMPAT_43)
if ((error = ttsetcompat(tp, &cmd, data, &term)) != 0)
return error;
if (cmd != oldcmd)
data = (caddr_t)&term;
#endif
if (mynor & CONTROL_MASK) {
struct termios *ct;

6
sys/i386/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.89 1995/04/11 17:58:09 ache Exp $
* $Id: sio.c,v 1.90 1995/04/12 20:48:05 wollman Exp $
*/
#include "sio.h"
@ -1127,12 +1127,14 @@ siointr1(com)
recv_data = inb(com->data_port);
if (line_status & (LSR_PE|LSR_FE|LSR_BI)) {
#ifdef DDB
#ifdef BREAK_TO_DEBUGGER
if ( (line_status & LSR_BI)
&& (COMCONSOLE || boothowto & RB_SERIAL)
&& com->unit == comconsole) {
Debugger("serial console break");
goto cont;
}
#endif
#endif
/*
Don't store PE if IGNPAR and BI if IGNBRK,
@ -1293,10 +1295,12 @@ sioioctl(dev, cmd, data, flag, p)
tp = com->tp;
term = tp->t_termios;
oldcmd = cmd;
#if defined (COMPAT_43)
if ((error = ttsetcompat(tp, &cmd, data, &term)) != 0)
return error;
if (cmd != oldcmd)
data = (caddr_t)&term;
#endif
if (mynor & CONTROL_MASK) {
struct termios *ct;

6
sys/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.89 1995/04/11 17:58:09 ache Exp $
* $Id: sio.c,v 1.90 1995/04/12 20:48:05 wollman Exp $
*/
#include "sio.h"
@ -1127,12 +1127,14 @@ siointr1(com)
recv_data = inb(com->data_port);
if (line_status & (LSR_PE|LSR_FE|LSR_BI)) {
#ifdef DDB
#ifdef BREAK_TO_DEBUGGER
if ( (line_status & LSR_BI)
&& (COMCONSOLE || boothowto & RB_SERIAL)
&& com->unit == comconsole) {
Debugger("serial console break");
goto cont;
}
#endif
#endif
/*
Don't store PE if IGNPAR and BI if IGNBRK,
@ -1293,10 +1295,12 @@ sioioctl(dev, cmd, data, flag, p)
tp = com->tp;
term = tp->t_termios;
oldcmd = cmd;
#if defined (COMPAT_43)
if ((error = ttsetcompat(tp, &cmd, data, &term)) != 0)
return error;
if (cmd != oldcmd)
data = (caddr_t)&term;
#endif
if (mynor & CONTROL_MASK) {
struct termios *ct;