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1 | jermar | 1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
11 | jermar | 29 | #ifndef __ia32_PAGE_H__ |
30 | #define __ia32_PAGE_H__ |
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1 | jermar | 31 | |
32 | #include <arch/types.h> |
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33 | #include <arch/mm/frame.h> |
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34 | |||
35 | #define PAGE_SIZE FRAME_SIZE |
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36 | |||
37 | #define KA2PA(x) (x) |
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38 | #define PA2KA(x) (x) |
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39 | |||
40 | struct page_specifier { |
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41 | unsigned present : 1; |
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42 | unsigned writeable : 1; |
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43 | unsigned uaccessible : 1; |
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44 | unsigned page_write_through : 1; |
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45 | unsigned page_cache_disable : 1; |
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46 | unsigned accessed : 1; |
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47 | unsigned dirty : 1; |
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48 | unsigned : 2; |
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49 | unsigned avl : 3; |
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50 | unsigned frame_address : 20; |
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51 | } __attribute__ ((packed)); |
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52 | |||
53 | extern void page_arch_init(void); |
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54 | |||
55 | #endif |