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Diffstat (limited to 'i386/util/cpu.h')
-rw-r--r-- | i386/util/cpu.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/i386/util/cpu.h b/i386/util/cpu.h deleted file mode 100644 index d90c6f8..0000000 --- a/i386/util/cpu.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (c) 1995-1994 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 _I386_UTIL_CPU_H_ -#define _I386_UTIL_CPU_H_ - -#include <mach/machine/tss.h> - -#include "config.h" -#include "gdt.h" -#include "ldt.h" -#include "idt.h" - -/* - * Multiprocessor i386/i486 systems use a separate copy of the - * GDT, IDT, LDT, and kernel TSS per processor. The first three - * are separate to avoid lock contention: the i386 uses locked - * memory cycles to access the descriptor tables. The TSS is - * separate since each processor needs its own kernel stack, - * and since using a TSS marks it busy. - */ - -/* This structure holds the processor tables for this cpu. */ -struct cpu_tables -{ - struct i386_gate idt[IDTSZ]; - struct i386_descriptor gdt[GDTSZ]; -#ifdef ENABLE_KERNEL_LDT - struct i386_descriptor ldt[LDTSZ]; -#endif -#ifdef ENABLE_KERNEL_TSS - struct i386_tss tss; -#endif -}; - -#include_next "cpu.h" - -#endif _I386_UTIL_CPU_H_ |