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Diffstat (limited to 'i386/util/idt_inittab.h')
| -rw-r--r-- | i386/util/idt_inittab.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/i386/util/idt_inittab.h b/i386/util/idt_inittab.h new file mode 100644 index 00000000..9cb994fa --- /dev/null +++ b/i386/util/idt_inittab.h @@ -0,0 +1,57 @@ +/* + * 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_ |