Initial source

1 files changed, 57 insertions, 0 deletions

diff --git a/i386/util/idt_inittab.h b/i386/util/idt_inittab.h
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+++ b/i386/util/idt_inittab.h
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+/* 
+ * 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.
+ */
+#ifndef _I386_UTIL_IDT_INITTAB_H_
+
+
+
+/* We'll be using macros to fill in a table in data hunk 2
+   while writing trap entrypoint routines at the same time.
+   Here's the header that comes before everything else.  */
+#define IDT_INITTAB_BEGIN	\
+	.data	2		;\
+ENTRY(idt_inittab)		;\
+	.text
+
+/*
+ * Interrupt descriptor table and code vectors for it.
+ */
+#define	IDT_ENTRY(n,entry,type) \
+	.data	2		;\
+	.long	entry		;\
+	.word	n		;\
+	.word	type		;\
+	.text
+
+/*
+ * Terminator for the end of the table.
+ */
+#define IDT_INITTAB_END		\
+	.data	2		;\
+	.long	0		;\
+	.text
+
+
+#endif _I386_UTIL_IDT_INITTAB_H_