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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/generic/include/mm/frame.h @ 532

  → /SPARTAN/trunk/generic/include/mm/frame.h @ 533

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 532 → Rev 533

/SPARTAN/trunk/generic/include/mm/frame.h
42,11 → 42,12
#define FRAME2ADDR(zone, frame) ((zone)->base + ((frame) - (zone)->frames) * FRAME_SIZE)
#define ADDR2FRAME(zone, addr) (&((zone)->frames[((addr) - (zone)->base) / FRAME_SIZE]))
#define FRAME_INDEX(zone, frame) ((count_t)((frame) - (zone)->frames))
#define IS_BUDDY_LEFT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 >> ((frame)->buddy_order + 1))) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 >> ((frame)->buddy_order + 1))) == (1 >> (frame)->buddy_order))
#define FRAME_INDEX_VALID(zone, index) (((index) >= 0) && ((index) < ((zone)->free_count + (zone)->busy_count)))
#define IS_BUDDY_LEFT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 << ((frame)->buddy_order + 1))) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) ((FRAME_INDEX((zone), (frame)) % (1 << ((frame)->buddy_order + 1))) == (1 << (frame)->buddy_order))
#define ZONE_BLACKLIST_SIZE 3
struct zone {
link_t link; /**< link to previous and next zone */
68,6 → 69,16
link_t buddy_link; /**< link to the next free block inside one order*/
};
struct region {
__address base;
size_t size;
};
extern region_t zone_blacklist[];
extern count_t zone_blacklist_count;
extern void frame_region_not_free(__address base, size_t size);
extern void zone_create_in_region(__address base, size_t size);
extern spinlock_t zone_head_lock; /**< this lock protects zone_head list */
extern link_t zone_head; /**< list of all zones in the system */
77,10 → 88,8
extern void frame_init(void);
extern void frame_initialize(frame_t *frame, zone_t *zone);
__address frame_alloc(int flags);
__address frame_alloc(int flags, __u8 order);
extern void frame_free(__address addr);
extern void frame_not_free(__address addr);
extern void frame_region_not_free(__address start, __address stop);
zone_t * get_zone_by_frame(frame_t * frame);
/*
91,10 → 100,8
link_t * zone_buddy_coalesce(buddy_system_t *b, link_t * buddy_l, link_t * buddy_r);
void zone_buddy_set_order(buddy_system_t *b, link_t * block, __u8 order);
__u8 zone_buddy_get_order(buddy_system_t *b, link_t * block);
void zone_buddy_mark_busy(buddy_system_t *b, link_t * block);
__address zone_buddy_frame_alloc(int flags, __u8 order);
void zone_buddy_frame_free(__address addr);
/*
* TODO: Implement the following functions.
*/