Subversion Repositories HelenOS

Rev

Rev 2927 | Rev 4344 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2927 Rev 3211
Line 55... Line 55...
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 4 GiB. */
- 
 
 67 
#define FRAME_LOW_4_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 
 */