Add forgotten file, espie@ has checked it compiles

1 files changed, 73 insertions, 0 deletions

diff --git a/sys/arch/amiga/isa/isa_machdep.c b/sys/arch/amiga/isa/isa_machdep.c
new file mode 100644
index 00000000000..bc6e485e2be
--- /dev/null
+++ b/sys/arch/amiga/isa/isa_machdep.c
@@ -0,0 +1,73 @@
+/*	$OpenBSD: isa_machdep.c,v 1.4 1999/03/05 19:17:44 niklas Exp $	*/
+
+/*
+ * Copyright (c) 1999 Niklas Hallqvist
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Niklas Hallqvist.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <machine/intr.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+/*
+ * Just check to see if an IRQ is available/can be shared.
+ * 0 = interrupt not available
+ * 1 = interrupt shareable
+ * 2 = interrupt all to ourself
+ */
+int
+__isa_intr_check(irq, type, intrtype)
+	int irq;
+	int type;
+	int *intrtype;
+{
+	if (type == IST_NONE)
+		return (0);
+
+	switch (intrtype[irq]) {
+	case IST_NONE:
+		return (2);
+		break;
+	case IST_LEVEL:
+		if (type != intrtype[irq])
+			return (0);
+		return (1);
+		break;
+	case IST_EDGE:
+	case IST_PULSE:
+		if (type != IST_NONE)
+			return (0);
+	}
+	return (1);
+}
+