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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
2 | * Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
| 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 | /** @addtogroup arm32mm |
29 | /** @addtogroup arm32mm |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | * @brief Frame related declarations. |
33 | * @brief Frame related declarations. |
| 34 | */ |
34 | */ |
| 35 | 35 | ||
| 36 | #ifndef KERN_arm32_FRAME_H_ |
36 | #ifndef KERN_arm32_FRAME_H_ |
| 37 | #define KERN_arm32_FRAME_H_ |
37 | #define KERN_arm32_FRAME_H_ |
| 38 | 38 | ||
| 39 | #define FRAME_WIDTH 12 /* 4KB frames */ |
39 | #define FRAME_WIDTH 12 /* 4KB frames */ |
| 40 | #define FRAME_SIZE (1 << FRAME_WIDTH) |
40 | #define FRAME_SIZE (1 << FRAME_WIDTH) |
| 41 | 41 | ||
| 42 | #ifdef KERNEL |
42 | #ifdef KERNEL |
| 43 | #ifndef __ASM__ |
43 | #ifndef __ASM__ |
| 44 | 44 | ||
| 45 | #include <arch/types.h> |
45 | #include <arch/types.h> |
| 46 | 46 | ||
| 47 | #define BOOT_PAGE_TABLE_SIZE 0x4000 |
47 | #define BOOT_PAGE_TABLE_SIZE 0x4000 |
| 48 | #define BOOT_PAGE_TABLE_ADDRESS 0x4000 |
48 | #define BOOT_PAGE_TABLE_ADDRESS 0x4000 |
| 49 | 49 | ||
| 50 | #define BOOT_PAGE_TABLE_START_FRAME (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH) |
50 | #define BOOT_PAGE_TABLE_START_FRAME (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH) |
| 51 | #define BOOT_PAGE_TABLE_SIZE_IN_FRAMES (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH) |
51 | #define BOOT_PAGE_TABLE_SIZE_IN_FRAMES (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH) |
| 52 | 52 | ||
| 53 | extern uintptr_t last_frame; |
53 | extern uintptr_t last_frame; |
| 54 | 54 | ||
| 55 | extern void frame_arch_init(void); |
55 | extern void frame_arch_init(void); |
| 56 | extern void boot_page_table_free(void); |
56 | extern void boot_page_table_free(void); |
| 57 | #define physmem_print() |
57 | #define physmem_print() |
| 58 | 58 | ||
| 59 | #endif /* __ASM__ */ |
59 | #endif /* __ASM__ */ |
| 60 | #endif /* KERNEL */ |
60 | #endif /* KERNEL */ |
| 61 | 61 | ||
| 62 | #endif |
62 | #endif |
| 63 | 63 | ||
| 64 | /** @} |
64 | /** @} |
| 65 | */ |
65 | */ |
| 66 | 66 | ||