/* * Copyright (c) 2006 Jakub Jermar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup kernel_genarch_mm * @{ */ /** @file */ #ifndef KERN_AS_HT_H_ #define KERN_AS_HT_H_ #include <mm/mm.h> #include <adt/hash_table.h> #include <typedefs.h> typedef struct { } as_genarch_t; struct as; typedef struct pte { ht_link_t link; /**< Page hash table link. */ struct as *as; /**< Address space. */ uintptr_t page; /**< Virtual memory page. */ uintptr_t frame; /**< Physical memory frame. */ unsigned g : 1; /**< Global page. */ unsigned x : 1; /**< Execute. */ unsigned w : 1; /**< Writable. */ unsigned k : 1; /**< Kernel privileges required. */ unsigned c : 1; /**< Cacheable. */ unsigned a : 1; /**< Accessed. */ unsigned d : 1; /**< Dirty. */ unsigned p : 1; /**< Present. */ } pte_t; #endif /** @} */