Rev 1066 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
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| 9 | 9 | ||
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| 10 | 10 | ||
| 11 | typedef struct |
11 | typedef struct |
| 12 | { |
12 | { |
| 13 | link_t buddy_link; /**< link to the next free block inside one order */ |
13 | link_t buddy_link; /**< link to the next free block inside one order */ |
| 14 | u16_t refcount; /**< tracking of shared frames */ |
14 | u16_t refcount; /**< tracking of shared frames */ |
| 15 | u16_t buddy_order; /**< buddy system block order */ |
15 | u16_t buddy_order; /**< buddy system block order */ |
| 16 | void *parent; /**< If allocated by slab, this points there */ |
16 | void *parent; /**< If allocated by slab, this points there */ |
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| - | 17 | } frame_t; |
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| 17 | } frame_t; |
18 | |
| 18 | 19 | ||
| 19 | typedef struct |
20 | typedef struct |
| 20 | { |
21 | { |
| 21 | SPINLOCK_DECLARE(lock); /**< this lock protects everything below */ |
22 | SPINLOCK_DECLARE(lock); /**< this lock protects everything below */ |
| 22 | pfn_t base; /**< frame_no of the first frame in the frames array */ |
23 | pfn_t base; /**< frame_no of the first frame in the frames array */ |
| 23 | count_t count; /**< Size of zone */ |
24 | count_t count; /**< Size of zone */ |
| 24 | 25 | ||
| 25 | frame_t *frames; /**< array of frame_t structures in this zone */ |
26 | frame_t *frames; /**< array of frame_t structures in this zone */ |
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| 26 | count_t free_count; /**< number of free frame_t structures */ |
27 | count_t free_count; /**< number of free frame_t structures */ |
| 27 | count_t busy_count; /**< number of busy frame_t structures */ |
28 | count_t busy_count; /**< number of busy frame_t structures */ |
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| 28 | 29 | ||
| 29 | u32_t max_order; |
30 | u32_t max_order; |
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| 30 | link_t order[21]; |
31 | link_t order[21]; |
| 31 | 32 | ||
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| 43 | u32_t state; |
44 | u32_t state; |
| 44 | }md_t; |
45 | }md_t; |
| 45 | 46 | ||
| Line 46... | Line 47... | ||
| 46 | 47 | ||
| 47 | #define PG_MAP 1 |
48 | #define PG_MAP 1 |
| 48 | #define PG_WRITE 2 |
49 | #define PG_WRITE 2 |
| 49 | #define PG_USER 4 |
- | |
| 50 | - | ||
| 51 | #define PG_SW 3 |
- | |
| Line -... | Line 50... | ||
| - | 50 | #define PG_USER 4 |
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| - | 51 | ||
| Line 52... | Line 52... | ||
| 52 | #define PG_UW 7 |
52 | #define PG_SW 3 |
| 53 | 53 | #define PG_UW 7 |
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| Line 61... | Line 61... | ||
| 61 | # define KA2PA(x) (((addr_t) (x)) - OS_BASE) |
61 | # define KA2PA(x) (((addr_t) (x)) - OS_BASE) |
| 62 | 62 | ||
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| 63 | static inline count_t SIZE2FRAMES(size_t size) |
63 | static inline count_t SIZE2FRAMES(size_t size) |
| 64 | { |
64 | { |
| 65 | if (!size) |
65 | if (!size) |
| 66 | return 0; |
66 | return 0; |
| 67 | return (count_t) ((size - 1) >> PAGE_WIDTH) + 1; |
67 | return (count_t) ((size - 1) >> PAGE_WIDTH) + 1; |
| 68 | } |
68 | } |
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| 69 | 69 | ||
| 70 | static inline addr_t PFN2ADDR(pfn_t frame) |
70 | static inline addr_t PFN2ADDR(pfn_t frame) |