Annotation of sys/arch/amd64/include/gdt.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: gdt.h,v 1.2 2004/05/20 21:06:46 nordin Exp $ */
! 2: /* $NetBSD: gdt.h,v 1.1 2003/04/26 18:39:40 fvdl Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by John T. Kohl and Charles M. Hannum.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #ifndef _LOCORE
! 41: struct proc;
! 42: struct pmap;
! 43:
! 44: void gdt_init(void);
! 45: void gdt_init_cpu(struct cpu_info *);
! 46: void gdt_reload_cpu(struct cpu_info *);
! 47: void gdt_alloc_cpu(struct cpu_info *);
! 48:
! 49: int tss_alloc(struct pcb *);
! 50: void tss_free(int);
! 51:
! 52: void ldt_alloc(struct pmap *, char *, size_t);
! 53: void ldt_free(struct pmap *);
! 54:
! 55: void set_mem_gdt(struct mem_segment_descriptor *, void *, size_t,
! 56: int, int, int, int, int);
! 57: void set_sys_gdt(struct sys_segment_descriptor *, void *, size_t, int, int,
! 58: int);
! 59: #endif
! 60:
! 61: /* MINGDTSIZ must be a multiple of PAGE_SIZE or gdt_grow breaks */
! 62: #define MINGDTSIZ PAGE_SIZE
! 63: #define MAXGDTSIZ 65536
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