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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
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: |
Line 28... | Line 28... | ||
28 | 28 | ||
29 | /** @addtogroup arm32mm |
29 | /** @addtogroup arm32mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
- | 33 | * @brief Frame related functions. |
|
33 | */ |
34 | */ |
34 | 35 | ||
35 | #include <mm/frame.h> |
36 | #include <mm/frame.h> |
- | 37 | #include <arch/mm/frame.h> |
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- | 38 | #include <config.h> |
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- | 39 | #include <arch/debug/print.h> |
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36 | 40 | ||
- | 41 | /** Address of the last frame in the memory. */ |
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- | 42 | uintptr_t last_frame = 0; |
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- | 43 | ||
37 | /** Create memory zones. */ |
44 | /** Creates memory zones. */ |
38 | void frame_arch_init(void) |
45 | void frame_arch_init(void) |
39 | { |
46 | { |
- | 47 | /* all memory as one zone */ |
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- | 48 | zone_create(0, ADDR2PFN(config.memory_size), |
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- | 49 | BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0); |
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- | 50 | last_frame = config.memory_size; |
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- | 51 | ||
- | 52 | /* blacklist boot page table */ |
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- | 53 | frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME, |
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- | 54 | BOOT_PAGE_TABLE_SIZE_IN_FRAMES); |
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- | 55 | } |
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- | 56 | ||
- | 57 | /** Frees the boot page table. */ |
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- | 58 | void boot_page_table_free(void) |
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- | 59 | { |
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40 | /* TODO */ |
60 | int i; |
- | 61 | for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) { |
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- | 62 | frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS); |
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- | 63 | } |
|
41 | } |
64 | } |
42 | 65 | ||
43 | /** @} |
66 | /** @} |
44 | */ |
67 | */ |