1*0a6a1f1dSLionel Sambuc /* $NetBSD: gdt.h,v 1.13 2008/04/28 20:23:24 martin Exp $ */ 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc /*- 4*0a6a1f1dSLionel Sambuc * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. 5*0a6a1f1dSLionel Sambuc * All rights reserved. 6*0a6a1f1dSLionel Sambuc * 7*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 8*0a6a1f1dSLionel Sambuc * by John T. Kohl and Charles M. Hannum. 9*0a6a1f1dSLionel Sambuc * 10*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without 11*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions 12*0a6a1f1dSLionel Sambuc * are met: 13*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright 14*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer. 15*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution. 18*0a6a1f1dSLionel Sambuc * 19*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 30*0a6a1f1dSLionel Sambuc */ 31*0a6a1f1dSLionel Sambuc 32*0a6a1f1dSLionel Sambuc #if !defined(_LOCORE) 33*0a6a1f1dSLionel Sambuc 34*0a6a1f1dSLionel Sambuc struct proc; 35*0a6a1f1dSLionel Sambuc struct pmap; 36*0a6a1f1dSLionel Sambuc 37*0a6a1f1dSLionel Sambuc void gdt_init(void); 38*0a6a1f1dSLionel Sambuc void gdt_init_cpu(struct cpu_info *); 39*0a6a1f1dSLionel Sambuc void gdt_reload_cpu(struct cpu_info *); 40*0a6a1f1dSLionel Sambuc int gdt_get_slot(void); 41*0a6a1f1dSLionel Sambuc void gdt_put_slot(int); 42*0a6a1f1dSLionel Sambuc void gdt_alloc_cpu(struct cpu_info *); 43*0a6a1f1dSLionel Sambuc int tss_alloc(const struct i386tss *); 44*0a6a1f1dSLionel Sambuc void tss_free(int); 45*0a6a1f1dSLionel Sambuc int ldt_alloc(union descriptor *, size_t); 46*0a6a1f1dSLionel Sambuc void ldt_free(int); 47*0a6a1f1dSLionel Sambuc 48*0a6a1f1dSLionel Sambuc #endif /* LOCORE */ 49*0a6a1f1dSLionel Sambuc 50*0a6a1f1dSLionel Sambuc #define MINGDTSIZ 512 51*0a6a1f1dSLionel Sambuc #define MAXGDTSIZ 8192 52