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authorJason Downs <downsj@cvs.openbsd.org>1997-12-25 06:13:05 +0000
committerJason Downs <downsj@cvs.openbsd.org>1997-12-25 06:13:05 +0000
commit6b3c52bee9cb02b6dc9e77b5af1a53db17addf33 (patch)
tree1fc07794048c737e0495ec6f4e6714256bcd69f4 /sys/arch
parentbf8ae27fd2ae21d646d632fc534600f20b787ec0 (diff)
isa_has_been_seen; NetBSD
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/i386/isa/isa_machdep.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/arch/i386/isa/isa_machdep.c b/sys/arch/i386/isa/isa_machdep.c
index 25cf63fb31d..2eff3895446 100644
--- a/sys/arch/i386/isa/isa_machdep.c
+++ b/sys/arch/i386/isa/isa_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: isa_machdep.c,v 1.24 1997/12/21 14:44:32 downsj Exp $ */
+/* $OpenBSD: isa_machdep.c,v 1.25 1997/12/25 06:13:04 downsj Exp $ */
/* $NetBSD: isa_machdep.c,v 1.14 1996/05/12 23:06:18 mycroft Exp $ */
/*-
@@ -454,7 +454,15 @@ isa_attach_hook(parent, self, iba)
struct device *parent, *self;
struct isabus_attach_args *iba;
{
- /* Nothing to do. */
+ extern int isa_has_been_seen;
+
+ /*
+ * Notify others that might need to know that the ISA bus
+ * has now been attached.
+ */
+ if (isa_has_been_seen)
+ panic("isaattach: ISA bus already seen!");
+ isa_has_been_seen = 1;
}
/*