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Fix the handling of certain devices.

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Previously the foolowing lines would have broken:
controller      fdc0 at isa? disable port ? bio
controller      fdc0 at isa? disable port 0x100 bio

While this would work:
controller      fdc0 at isa? disable port "IO_FD1" bio

The first of the three lines is useful for making placeholder devices
for PCMCIA-floppies, and the second is useful for non-standard hardware.
The failure is a "(null)" string in ioconf.c that the compiler pukes on.

Thanks to:	Bruce Evans (bde@freebsd.org)
This commit is contained in:
Mark Murray 1999-02-04 10:24:45 +00:00
parent ba529ee910
commit b0371ff3ee
1 changed files with 9 additions and 3 deletions
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12
usr.sbin/config/mkioconf.c
View file

@ -36,7 +36,7 @@
static char sccsid[] = "@(#)mkioconf.c 8.2 (Berkeley) 1/21/94";
#endif
static const char rcsid[] =
"$Id: mkioconf.c,v 1.44 1998/10/23 17:05:06 bde Exp $";
"$Id: mkioconf.c,v 1.45 1998/11/15 18:07:35 dfr Exp $";
#endif /* not lint */
#include <err.h>
@ -720,8 +720,14 @@ isa_biotab(fp, table)
if (dp->d_unit == QUES || mp == 0 ||
mp == TO_NEXUS || !eq(mp->d_name, table))
continue;
fprintf(fp, "{ -1, &%3sdriver, %8s,",
mp->d_name, mp->d_port);
fprintf(fp, "{ -1, &%3sdriver, ",
mp->d_name);
if (mp->d_port)
fprintf(fp, " %8s,", mp->d_port);
else if (mp->d_portn == -1)
fprintf(fp, " %d,", mp->d_portn);
else
fprintf(fp, " 0x%04x,", mp->d_portn);
fprintf(fp, "%6s, %2d, C 0x%05X, %5d, 0, %3d, 0x%04X, %5d, 0, 0, 0, %6d, %8d, 0 },\n",
sirq(mp->d_irq), mp->d_drq, mp->d_maddr,
mp->d_msize, dp->d_unit,