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2089 decky 1
/*
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 * Copyright (c) 2007 Martin Decky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup genericmm
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_MM_H_
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#define KERN_MM_H_
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#define PAGE_CACHEABLE_SHIFT        0
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#define PAGE_NOT_CACHEABLE_SHIFT    PAGE_CACHEABLE_SHIFT
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#define PAGE_PRESENT_SHIFT      1
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#define PAGE_NOT_PRESENT_SHIFT      PAGE_PRESENT_SHIFT
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#define PAGE_USER_SHIFT         2
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#define PAGE_KERNEL_SHIFT       PAGE_USER_SHIFT
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#define PAGE_READ_SHIFT         3
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#define PAGE_WRITE_SHIFT        4
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#define PAGE_EXEC_SHIFT         5
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#define PAGE_GLOBAL_SHIFT       6
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#define PAGE_NOT_CACHEABLE      (0 << PAGE_CACHEABLE_SHIFT)
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#define PAGE_CACHEABLE          (1 << PAGE_CACHEABLE_SHIFT)
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#define PAGE_PRESENT            (0 << PAGE_PRESENT_SHIFT)
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#define PAGE_NOT_PRESENT        (1 << PAGE_PRESENT_SHIFT)
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#define PAGE_USER           (1 << PAGE_USER_SHIFT)
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#define PAGE_KERNEL         (0 << PAGE_USER_SHIFT)
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#define PAGE_READ           (1 << PAGE_READ_SHIFT)
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#define PAGE_WRITE          (1 << PAGE_WRITE_SHIFT)
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#define PAGE_EXEC           (1 << PAGE_EXEC_SHIFT)
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#define PAGE_GLOBAL         (1 << PAGE_GLOBAL_SHIFT)
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#endif
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/** @}
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 */