Subversion Repositories HelenOS

Rev

Rev 2787 | Rev 4377 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2787 Rev 3425
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
 */