Initial source

1 files changed, 68 insertions, 0 deletions

diff --git a/i386/i386at/pic_isa.c b/i386/i386at/pic_isa.c
new file mode 100644
index 0000000..49eff4d
--- /dev/null
+++ b/i386/i386at/pic_isa.c
@@ -0,0 +1,68 @@
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#include <sys/types.h>
+#include <i386/ipl.h>
+#include <i386/pic.h>
+#include <rc.h>
+
+
+/* These interrupts are always present */
+extern intnull(), fpintr(), hardclock(), kdintr();
+extern prtnull();
+
+int (*ivect[NINTR])() = {
+	/* 00 */	hardclock,	/* always */
+#if RCLINE < 0
+	/* 01 */	kdintr,		/* kdintr, ... */
+#else
+	/* 01 */	intnull,	/* kdintr, ... */
+#endif
+	/* 02 */	intnull,
+	/* 03 */	intnull,	/* lnpoll, comintr, ... */
+
+	/* 04 */	intnull,	/* comintr, ... */
+	/* 05 */	intnull,	/* comintr, wtintr, ... */
+	/* 06 */	intnull,	/* fdintr, ... */
+	/* 07 */	prtnull,	/* qdintr, ... */
+
+	/* 08 */	intnull,
+	/* 09 */	intnull,	/* ether */
+	/* 10 */	intnull,
+	/* 11 */	intnull,
+
+	/* 12 */	intnull,
+	/* 13 */	fpintr,		/* always */
+	/* 14 */	intnull,	/* hdintr, ... */
+	/* 15 */	intnull,	/* ??? */
+};
+
+int intpri[NINTR] = {
+	/* 00 */   	0,	SPL6,	0,	0,
+	/* 04 */	0,	0,	0,	0,
+	/* 08 */	0,	0,	0,	0,
+	/* 12 */	0,	SPL1,	0,	0,
+};