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| 55 | #endif |
55 | #endif |
| 56 | 56 | ||
| 57 | /** Maximum number of zones in system. */ |
57 | /** Maximum number of zones in system. */ |
| 58 | #define ZONES_MAX 16 |
58 | #define ZONES_MAX 16 |
| 59 | 59 | ||
| 60 | /** If possible, merge with neighbouring zones. */ |
- | |
| 61 | #define ZONE_JOIN 0x1 |
- | |
| 62 | - | ||
| 63 | /** Convert the frame address to kernel va. */ |
60 | /** Convert the frame address to kernel va. */ |
| 64 | #define FRAME_KA 0x1 |
61 | #define FRAME_KA 0x1 |
| 65 | /** Do not panic and do not sleep on failure. */ |
62 | /** Do not panic and do not sleep on failure. */ |
| 66 | #define FRAME_ATOMIC 0x2 |
63 | #define FRAME_ATOMIC 0x2 |
| 67 | /** Do not start reclaiming when no free memory. */ |
64 | /** Do not start reclaiming when no free memory. */ |
| 68 | #define FRAME_NO_RECLAIM 0x4 |
65 | #define FRAME_NO_RECLAIM 0x4 |
| - | 66 | /** Do not allocate above 16GiB. */ |
|
| - | 67 | #define FRAME_LOW_16_GiB 0x8 |
|
| 69 | 68 | ||
| 70 | static inline uintptr_t PFN2ADDR(pfn_t frame) |
69 | static inline uintptr_t PFN2ADDR(pfn_t frame) |
| 71 | { |
70 | { |
| 72 | return (uintptr_t) (frame << FRAME_WIDTH); |
71 | return (uintptr_t) (frame << FRAME_WIDTH); |
| 73 | } |
72 | } |
| Line 88... | Line 87... | ||
| 88 | { |
87 | { |
| 89 | return (size_t) (frames << FRAME_WIDTH); |
88 | return (size_t) (frames << FRAME_WIDTH); |
| 90 | } |
89 | } |
| 91 | 90 | ||
| 92 | #define IS_BUDDY_ORDER_OK(index, order) \ |
91 | #define IS_BUDDY_ORDER_OK(index, order) \ |
| 93 | ((~(((unative_t) -1) << (order)) & (index)) == 0) |
92 | ((~(((unative_t) -1) << (order)) & (index)) == 0) |
| 94 | #define IS_BUDDY_LEFT_BLOCK(zone, frame) \ |
93 | #define IS_BUDDY_LEFT_BLOCK(zone, frame) \ |
| 95 | (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
94 | (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
| 96 | #define IS_BUDDY_RIGHT_BLOCK(zone, frame) \ |
95 | #define IS_BUDDY_RIGHT_BLOCK(zone, frame) \ |
| 97 | (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
96 | (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
| 98 | #define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \ |
97 | #define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \ |
| 99 | (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
98 | (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
| 100 | #define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \ |
99 | #define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \ |
| 101 | (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
100 | (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
| 102 | 101 | ||
| 103 | #define frame_alloc(order, flags) \ |
102 | #define frame_alloc(order, flags) \ |
| 104 | frame_alloc_generic(order, flags, NULL) |
103 | frame_alloc_generic(order, flags, NULL) |
| 105 | 104 | ||
| 106 | extern void frame_init(void); |
105 | extern void frame_init(void); |
| 107 | extern void *frame_alloc_generic(uint8_t order, int flags, unsigned int *pzone); |
106 | extern void *frame_alloc_generic(uint8_t, int, unsigned int *); |
| 108 | extern void frame_free(uintptr_t frame); |
107 | extern void frame_free(uintptr_t); |
| 109 | extern void frame_reference_add(pfn_t pfn); |
108 | extern void frame_reference_add(pfn_t); |
| 110 | 109 | ||
| 111 | extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags); |
110 | extern int zone_create(pfn_t, count_t, pfn_t, int); |
| 112 | extern void *frame_get_parent(pfn_t frame, unsigned int hint); |
111 | extern void *frame_get_parent(pfn_t, unsigned int); |
| 113 | extern void frame_set_parent(pfn_t frame, void *data, unsigned int hint); |
112 | extern void frame_set_parent(pfn_t, void *, unsigned int); |
| 114 | extern void frame_mark_unavailable(pfn_t start, count_t count); |
113 | extern void frame_mark_unavailable(pfn_t, count_t); |
| 115 | extern uintptr_t zone_conf_size(count_t count); |
114 | extern uintptr_t zone_conf_size(count_t); |
| 116 | extern void zone_merge(unsigned int z1, unsigned int z2); |
115 | extern void zone_merge(unsigned int, unsigned int); |
| 117 | extern void zone_merge_all(void); |
116 | extern void zone_merge_all(void); |
| 118 | extern uint64_t zone_total_size(void); |
117 | extern uint64_t zone_total_size(void); |
| 119 | 118 | ||
| 120 | /* |
119 | /* |
| 121 | * Console functions |
120 | * Console functions |
| 122 | */ |
121 | */ |
| 123 | extern void zone_print_list(void); |
122 | extern void zone_print_list(void); |
| 124 | extern void zone_print_one(unsigned int znum); |
123 | extern void zone_print_one(unsigned int); |
| 125 | 124 | ||
| 126 | #endif |
125 | #endif |
| 127 | 126 | ||
| 128 | /** @} |
127 | /** @} |
| 129 | */ |
128 | */ |