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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/generic/include/mm/frame.h @ 2058

  → /trunk/kernel/generic/include/mm/frame.h @ 2059

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2058 → Rev 2059

/trunk/kernel/generic/include/mm/frame.h
53,22 → 53,27
#define STACK_FRAMES ONE_FRAME
#endif
#define ZONES_MAX 16 /**< Maximum number of zones in system */
/** Maximum number of zones in system. */
#define ZONES_MAX 16
#define ZONE_JOIN 0x1 /**< If possible, merge with neighbouring zones */
/** If possible, merge with neighbouring zones. */
#define ZONE_JOIN 0x1
#define FRAME_KA 0x1 /* convert the frame address to kernel va */
#define FRAME_ATOMIC 0x2 /* do not panic and do not sleep on failure */
#define FRAME_NO_RECLAIM 0x4 /* do not start reclaiming when no free memory */
/** Convert the frame address to kernel va. */
#define FRAME_KA 0x1
/** Do not panic and do not sleep on failure. */
#define FRAME_ATOMIC 0x2
/** Do not start reclaiming when no free memory. */
#define FRAME_NO_RECLAIM 0x4
static inline uintptr_t PFN2ADDR(pfn_t frame)
{
return (uintptr_t)(frame << FRAME_WIDTH);
return (uintptr_t) (frame << FRAME_WIDTH);
}
static inline pfn_t ADDR2PFN(uintptr_t addr)
{
return (pfn_t)(addr >> FRAME_WIDTH);
return (pfn_t) (addr >> FRAME_WIDTH);
}
static inline count_t SIZE2FRAMES(size_t size)
75,24 → 80,30
{
if (!size)
return 0;
return (count_t)((size-1) >> FRAME_WIDTH)+1;
return (count_t) ((size - 1) >> FRAME_WIDTH) + 1;
}
#define IS_BUDDY_ORDER_OK(index, order) ((~(((unative_t) -1) << (order)) & (index)) == 0)
#define IS_BUDDY_LEFT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define IS_BUDDY_ORDER_OK(index, order) \
((~(((unative_t) -1) << (order)) & (index)) == 0)
#define IS_BUDDY_LEFT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define frame_alloc(order, flags) frame_alloc_generic(order, flags, NULL)
#define frame_alloc(order, flags) \
frame_alloc_generic(order, flags, NULL)
extern void frame_init(void);
extern void * frame_alloc_generic(uint8_t order, int flags, int *pzone);
extern void *frame_alloc_generic(uint8_t order, int flags, int *pzone);
extern void frame_free(uintptr_t frame);
extern void frame_reference_add(pfn_t pfn);
extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags);
void * frame_get_parent(pfn_t frame, int hint);
void *frame_get_parent(pfn_t frame, int hint);
void frame_set_parent(pfn_t frame, void *data, int hint);
void frame_mark_unavailable(pfn_t start, count_t count);
uintptr_t zone_conf_size(count_t count);