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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __mips_PAGE_H__ |
29 | #ifndef __mips_PAGE_H__ |
30 | #define __mips_PAGE_H__ |
30 | #define __mips_PAGE_H__ |
31 | 31 | ||
32 | #include <arch/mm/frame.h> |
32 | #include <arch/mm/frame.h> |
- | 33 | #include <arch/types.h> |
|
33 | 34 | ||
34 | #define PAGE_SIZE FRAME_SIZE |
35 | #define PAGE_SIZE FRAME_SIZE |
35 | 36 | ||
36 | #define KA2PA(x) ((x) - 0x80000000) |
37 | #define KA2PA(x) ((x) - 0x80000000) |
37 | #define PA2KA(x) ((x) + 0x80000000) |
38 | #define PA2KA(x) ((x) + 0x80000000) |
38 | 39 | ||
39 | #define page_arch_init() ; |
40 | #define page_arch_init() ; |
40 | 41 | ||
- | 42 | /* |
|
- | 43 | * Implementation of generic 4-level page table interface. |
|
- | 44 | * TODO: this is a fake implementation provided to satisfy the compiler |
|
- | 45 | */ |
|
- | 46 | #define PTL0_INDEX_ARCH(vaddr) 0 |
|
- | 47 | #define PTL1_INDEX_ARCH(vaddr) 0 |
|
- | 48 | #define PTL2_INDEX_ARCH(vaddr) 0 |
|
- | 49 | #define PTL3_INDEX_ARCH(vaddr) 0 |
|
- | 50 | ||
- | 51 | #define GET_PTL0_ADDRESS_ARCH() ((pte_t *) 0) |
|
- | 52 | #define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t *) 0) |
|
- | 53 | #define GET_PTL2_ADDRESS_ARCH(ptl1, i) ((pte_t *) 0) |
|
- | 54 | #define GET_PTL3_ADDRESS_ARCH(ptl2, i) ((pte_t *) 0) |
|
- | 55 | #define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((pte_t *) 0) |
|
- | 56 | ||
- | 57 | #define SET_PTL0_ADDRESS_ARCH(ptl0) |
|
- | 58 | #define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) |
|
- | 59 | #define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
|
- | 60 | #define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
|
- | 61 | #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) |
|
- | 62 | ||
- | 63 | #define GET_PTL1_FLAGS_ARCH(ptl0, i) 0 |
|
- | 64 | #define GET_PTL2_FLAGS_ARCH(ptl1, i) 0 |
|
- | 65 | #define GET_PTL3_FLAGS_ARCH(ptl2, i) 0 |
|
- | 66 | #define GET_FRAME_FLAGS_ARCH(ptl3, i) 0 |
|
- | 67 | ||
- | 68 | #define SET_PTL1_FLAGS_ARCH(ptl0, i, x) |
|
- | 69 | #define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
|
- | 70 | #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
|
- | 71 | #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) |
|
- | 72 | ||
- | 73 | typedef __u32 pte_t; |
|
- | 74 | ||
41 | #endif |
75 | #endif |
42 | 76 |