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Rev 2001 Rev 2059
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#define STACK_FRAMES ARCH_STACK_FRAMES
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#define STACK_FRAMES ARCH_STACK_FRAMES
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#else
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#else
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#define STACK_FRAMES ONE_FRAME
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#define STACK_FRAMES ONE_FRAME
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#endif
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#endif
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#define ZONES_MAX       16      /**< Maximum number of zones in system */
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/** Maximum number of zones in system. */
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#define ZONES_MAX           16
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#define ZONE_JOIN       0x1 /**< If possible, merge with neighbouring zones */
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/** If possible, merge with neighbouring zones. */
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#define ZONE_JOIN           0x1
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#define FRAME_KA        0x1 /* convert the frame address to kernel va */
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/** Convert the frame address to kernel va. */
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#define FRAME_KA        0x1
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#define FRAME_ATOMIC            0x2 /* do not panic and do not sleep on failure */
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/** Do not panic and do not sleep on failure. */
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#define FRAME_ATOMIC            0x2
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#define FRAME_NO_RECLAIM        0x4     /* do not start reclaiming when no free memory */
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/** Do not start reclaiming when no free memory. */
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#define FRAME_NO_RECLAIM        0x4
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static inline uintptr_t PFN2ADDR(pfn_t frame)
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static inline uintptr_t PFN2ADDR(pfn_t frame)
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{
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{
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    return (uintptr_t)(frame << FRAME_WIDTH);
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    return (uintptr_t) (frame << FRAME_WIDTH);
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}
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}
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static inline pfn_t ADDR2PFN(uintptr_t addr)
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static inline pfn_t ADDR2PFN(uintptr_t addr)
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{
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{
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    return (pfn_t)(addr >> FRAME_WIDTH);
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    return (pfn_t) (addr >> FRAME_WIDTH);
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}
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}
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static inline count_t SIZE2FRAMES(size_t size)
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static inline count_t SIZE2FRAMES(size_t size)
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{
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{
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    if (!size)
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    if (!size)
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        return 0;
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        return 0;
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    return (count_t)((size-1) >> FRAME_WIDTH)+1;
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    return (count_t) ((size - 1) >> FRAME_WIDTH) + 1;
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}
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}
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#define IS_BUDDY_ORDER_OK(index, order)     \
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#define IS_BUDDY_ORDER_OK(index, order)     ((~(((unative_t) -1) << (order)) & (index)) == 0)
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    ((~(((unative_t) -1) << (order)) & (index)) == 0)
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#define IS_BUDDY_LEFT_BLOCK(zone, frame)    \
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#define IS_BUDDY_LEFT_BLOCK(zone, frame)    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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#define IS_BUDDY_RIGHT_BLOCK(zone, frame)   \
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#define IS_BUDDY_RIGHT_BLOCK(zone, frame)   (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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    (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame)    \
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#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame)    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
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#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame)   \
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#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame)   (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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    (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
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#define frame_alloc(order, flags)       \
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#define frame_alloc(order, flags)       frame_alloc_generic(order, flags, NULL)
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    frame_alloc_generic(order, flags, NULL)
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extern void frame_init(void);
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extern void frame_init(void);
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extern void * frame_alloc_generic(uint8_t order, int flags, int *pzone);
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extern void *frame_alloc_generic(uint8_t order, int flags, int *pzone);
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extern void frame_free(uintptr_t frame);
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extern void frame_free(uintptr_t frame);
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extern void frame_reference_add(pfn_t pfn);
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extern void frame_reference_add(pfn_t pfn);
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extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags);
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extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags);
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void * frame_get_parent(pfn_t frame, int hint);
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void *frame_get_parent(pfn_t frame, int hint);
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void frame_set_parent(pfn_t frame, void *data, int hint);
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void frame_set_parent(pfn_t frame, void *data, int hint);
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void frame_mark_unavailable(pfn_t start, count_t count);
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void frame_mark_unavailable(pfn_t start, count_t count);
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uintptr_t zone_conf_size(count_t count);
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uintptr_t zone_conf_size(count_t count);
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void zone_merge(int z1, int z2);
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void zone_merge(int z1, int z2);
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void zone_merge_all(void);
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void zone_merge_all(void);