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Avoid attempting to auto configure NEXUS devices

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This commit is contained in:
Mark Pizzolato 2012-12-28 15:48:43 -08:00
parent 2471f3fc73
commit 95f4a075ba
1 changed files with 10 additions and 2 deletions
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12
PDP11/pdp11_io_lib.c
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@ -546,6 +546,13 @@ AUTO_CON auto_tab[] = {/*c #v am vm fxa fxv */
{ { NULL }, -1 } /* end table */
};
#if !defined(DEV_NEXUS)
#if defined(DEV_MBUS)
#define DEV_NEXUS DEV_MBUS
#else
#define DEV_NEXUS 0
#endif
#endif
t_stat auto_config (char *name, int32 nctrl)
{
uint32 csr = IOPAGEBASE + AUTO_CSRBASE;
@ -577,8 +584,9 @@ for (autp = auto_tab; autp->numc >= 0; autp++) { /* loop thru table */
if (autp->dnam[j] == NULL) /* no device? */
break;
dptr = find_dev (autp->dnam[j]); /* find ctrl */
if ((dptr == NULL) || /* enabled, floating? */
(dptr->flags & DEV_DIS))
if ((dptr == NULL) || /* enabled, not nexus? */
(dptr->flags & DEV_DIS) ||
(dptr->flags & DEV_NEXUS) )
continue;
dibp = (DIB *) dptr->ctxt; /* get DIB */
if (dibp == NULL) /* not there??? */