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Break into debugger by typing `+++++',

This commit is contained in:
eeh 2000-07-10 20:24:23 +00:00
parent b71bddab49
commit f10d7699fc
2 changed files with 32 additions and 6 deletions
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10
sys/arch/sparc64/dev/consinit.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: consinit.c,v 1.6 2000/06/24 04:20:58 eeh Exp $ */
/* $NetBSD: consinit.c,v 1.7 2000/07/10 20:24:23 eeh Exp $ */
/*-
* Copyright (c) 1999 Eduardo E. Horvath
@ -107,9 +107,17 @@ prom_cngetc(dev)
{
unsigned char ch = '\0';
int l;
#ifdef DDB
static int nplus = 0;
#endif
while ((l = OF_read(stdin, &ch, 1)) != 1)
/* void */;
#ifdef DDB
if (ch == '+') {
if (nplus++ > 3) Debugger();
} else nplus = 0;
#endif
if (ch == '\r')
ch = '\n';
return ch;

28
sys/arch/sparc64/dev/pcons.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pcons.c,v 1.2 2000/06/24 16:51:36 eeh Exp $ */
/* $NetBSD: pcons.c,v 1.3 2000/07/10 20:24:23 eeh Exp $ */
/*-
* Copyright (c) 2000 Eduardo E. Horvath
@ -273,13 +273,25 @@ pcons_poll(aux)
struct pconssoftc *sc = aux;
struct tty *tp = sc->of_tty;
char ch;
static int nas = 0;
#ifdef DDB
static int nplus = 0;
#endif
while (OF_read(stdin, &ch, 1) > 0) {
if (ch == 'a') {
if (nas++ > 3) Debugger();
} else nas = 0;
#ifdef DDB
if (ch == '+') {
if (nplus++ > 3) {
extern int db_active;
if (!db_active)
Debugger();
else
/* Debugger is probably hozed */
callrom();
}
} else nplus = 0;
#endif
if (tp && (tp->t_state & TS_ISOPEN))
(*linesw[tp->t_line].l_rint)(ch, tp);
}
@ -318,3 +330,9 @@ pcons_cnpollc(dev, on)
}
}
}
void pcons_dopoll __P((void));
void
pcons_dopoll() {
pcons_poll((void*)pcons_cd.cd_devs[0]);
}