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Diffstat (limited to 'i386/i386at/idt.h')
-rw-r--r-- | i386/i386at/idt.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/i386/i386at/idt.h b/i386/i386at/idt.h new file mode 100644 index 00000000..7903310b --- /dev/null +++ b/i386/i386at/idt.h @@ -0,0 +1,37 @@ +/* + * 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_ + +/* On a standard PC, we only need 16 interrupt vectors, + because that's all the PIC hardware supports. */ +/* XX But for some reason we program the PIC + to use vectors 0x40-0x4f rather than 0x20-0x2f. Fix. */ +#define IDTSZ (0x20+0x20+0x10) + +#define PIC_INT_BASE 0x40 + +#include "idt-gen.h" + +#endif _I386AT_IDT_ |