0,0 → 1,67 |
/* |
* Copyright (c) 2007 Martin Decky |
* 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 genericmm |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_MM_H_ |
#define KERN_MM_H_ |
|
#define PAGE_CACHEABLE_SHIFT 0 |
#define PAGE_NOT_CACHEABLE_SHIFT PAGE_CACHEABLE_SHIFT |
#define PAGE_PRESENT_SHIFT 1 |
#define PAGE_NOT_PRESENT_SHIFT PAGE_PRESENT_SHIFT |
#define PAGE_USER_SHIFT 2 |
#define PAGE_KERNEL_SHIFT PAGE_USER_SHIFT |
#define PAGE_READ_SHIFT 3 |
#define PAGE_WRITE_SHIFT 4 |
#define PAGE_EXEC_SHIFT 5 |
#define PAGE_GLOBAL_SHIFT 6 |
|
#define PAGE_NOT_CACHEABLE (0 << PAGE_CACHEABLE_SHIFT) |
#define PAGE_CACHEABLE (1 << PAGE_CACHEABLE_SHIFT) |
|
#define PAGE_PRESENT (0 << PAGE_PRESENT_SHIFT) |
#define PAGE_NOT_PRESENT (1 << PAGE_PRESENT_SHIFT) |
|
#define PAGE_USER (1 << PAGE_USER_SHIFT) |
#define PAGE_KERNEL (0 << PAGE_USER_SHIFT) |
|
#define PAGE_READ (1 << PAGE_READ_SHIFT) |
#define PAGE_WRITE (1 << PAGE_WRITE_SHIFT) |
#define PAGE_EXEC (1 << PAGE_EXEC_SHIFT) |
|
#define PAGE_GLOBAL (1 << PAGE_GLOBAL_SHIFT) |
|
#endif |
|
/** @} |
*/ |