1 files changed, 53 insertions, 0 deletions
diff --git a/i386/i386at/idt.h b/i386/i386at/idt.h
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+++ b/i386/i386at/idt.h
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+/*
+ * Copyright (c) 1994 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ *
+ *      Author: Bryan Ford, University of Utah CSL
+ */
+
+#ifndef _I386AT_IDT_
+#define _I386AT_IDT_
+
+/* There are 256 interrupt vectors on x86,
+ * the first 32 are taken by cpu faults */
+#define IDTSZ (0x100)
+
+/* PIC sits at 0x20-0x2f */
+#define PIC_INT_BASE 0x20
+
+/* IOAPIC sits at 0x30-0x47 */
+#define IOAPIC_INT_BASE 0x30
+
+/* IOAPIC spurious interrupt vector set to 0xff */
+#define IOAPIC_SPURIOUS_BASE 0xff
+
+/* Remote -> local AST requests */
+#define CALL_AST_CHECK 0xfa
+
+/* Currently for TLB shootdowns */
+#define CALL_PMAP_UPDATE 0xfb
+
+#include <i386/idt-gen.h>
+
+#ifndef __ASSEMBLER__
+extern void idt_init (void);
+extern void ap_idt_init (int cpu);
+#endif /* __ASSEMBLER__ */
+
+#endif /* _I386AT_IDT_ */