/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * 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. */ /* */ /* * Kernel task state segment. * * We don't use the i386 task switch mechanism. We need a TSS * only to hold the kernel stack pointer for the current thread. * * XXX multiprocessor?? */ #include <i386/tss.h> #include <i386/seg.h> #include <mach_kdb.h> struct i386_tss ktss = { 0, /* back link */ 0, /* esp0 */ KERNEL_DS, /* ss0 */ 0, /* esp1 */ 0, /* ss1 */ 0, /* esp2 */ 0, /* ss2 */ 0, /* cr3 */ 0, /* eip */ 0, /* eflags */ 0, /* eax */ 0, /* ecx */ 0, /* edx */ 0, /* ebx */ 0, /* esp */ 0, /* ebp */ 0, /* esi */ 0, /* edi */ 0, /* es */ 0, /* cs */ 0, /* ss */ 0, /* ds */ 0, /* fs */ 0, /* gs */ KERNEL_LDT, /* ldt */ 0, /* trace_trap */ 0x0FFF /* IO bitmap offset - beyond end of TSS segment, so no bitmap */ }; #if MACH_KDB struct i386_tss dbtss = { 0, /* back link */ 0, /* esp0 */ KERNEL_DS, /* ss0 */ 0, /* esp1 */ 0, /* ss1 */ 0, /* esp2 */ 0, /* ss2 */ 0, /* cr3 */ 0, /* eip */ 0, /* eflags */ 0, /* eax */ 0, /* ecx */ 0, /* edx */ 0, /* ebx */ 0, /* esp */ 0, /* ebp */ 0, /* esi */ 0, /* edi */ KERNEL_DS, /* es */ KERNEL_CS, /* cs */ KERNEL_DS, /* ss */ KERNEL_DS, /* ds */ KERNEL_DS, /* fs */ KERNEL_DS, /* gs */ KERNEL_LDT, /* ldt */ 0, /* trace_trap */ 0x0FFF /* IO bitmap offset - beyond end of TSS segment, so no bitmap */ }; #endif /* MACH_KDB */