Subversion Repositories Kolibri OS

Rev

Rev 888 | Rev 890 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 888 Rev 889
1 
typedef struct
 1 
typedef struct
2 
{
 2 
{
3 
  link_t buddy_link;        /**< link to the next free block inside one  order */
 3 
  link_t buddy_link;        /**< link to the next free block inside one  order */
4 
  count_t refcount;         /**< tracking of shared frames  */
 4 
  count_t refcount;         /**< tracking of shared frames  */
5 
  u32_t buddy_order;        /**< buddy system block order */
 5 
  u32_t buddy_order;        /**< buddy system block order */
6 
  void *parent;             /**< If allocated by slab, this points there */
 6 
  void *parent;             /**< If allocated by slab, this points there */
7 
} frame_t;
 7 
} frame_t;
8 
 
 8 
 
9 
typedef struct {
 9 
typedef struct {
10 
  SPINLOCK_DECLARE(lock);   /**< this lock protects everything below */
 10 
  SPINLOCK_DECLARE(lock);   /**< this lock protects everything below */
11 
  pfn_t base;               /**< frame_no of the first frame in the frames array */
 11 
  pfn_t base;               /**< frame_no of the first frame in the frames array */
12 
  count_t count;            /**< Size of zone */
 12 
  count_t count;            /**< Size of zone */
13 
 
 13 
 
14 
  frame_t *frames;          /**< array of frame_t structures in this zone */
 14 
  frame_t *frames;          /**< array of frame_t structures in this zone */
15 
  count_t free_count;       /**< number of free frame_t structures */
 15 
  count_t free_count;       /**< number of free frame_t structures */
16 
  count_t busy_count;       /**< number of busy frame_t structures */
 16 
  count_t busy_count;       /**< number of busy frame_t structures */
17 
 
 17 
 
18 
  u32_t max_order;
 18 
  u32_t max_order;
19 
  link_t order[21];
 19 
  link_t order[21];
20 
 
 20 
 
21 
	int flags;
 21 
	int flags;
22 
} zone_t;
 22 
} zone_t;
23 
 
 23 
 
- 
 
 24 
 
24 
typedef struct
 25 
typedef struct
25 
{
 26 
{
26 
   count_t count;
 27 
    link_t  link;
- 
 
 28 
    link_t  adj;
27 
   addr_t  frames[18];
 29 
    addr_t  base;
- 
 
 30 
    size_t  size;
- 
 
 31 
    void   *parent;
- 
 
 32 
    u32_t   state;
28 
}phismem_t;
 33 
}md_t;
29 
 
 34 
 
30 
 
 35 
 
31 
#define PG_MAP        1
 36 
#define PG_MAP        1
32 
 
 37 
#define PG_WRITE      2
- 
 
 38 
#define PG_USER       4
- 
 
 39 
 
- 
 
 40 
#define PG_SW         3
- 
 
 41 
#define PG_UW         7
- 
 
 42 
 
- 
 
 43 
 
33 
 
 44 
 
34 
#define PAGE_SIZE    4096
 45 
#define PAGE_SIZE    4096
35 
#define FRAME_WIDTH  12
 46 
#define FRAME_WIDTH  12
36 
 
 47 
 
37 
#define BUDDY_SYSTEM_INNER_BLOCK  0xff
 48 
#define BUDDY_SYSTEM_INNER_BLOCK  0xff
38 
 
 49 
 
39 
 
 50 
 
40 
# define PA2KA(x) (((addr_t) (x)) + OS_BASE)
 51 
# define PA2KA(x) (((addr_t) (x)) + OS_BASE)
41 
# define KA2PA(x) (((addr_t) (x)) - OS_BASE)
 52 
# define KA2PA(x) (((addr_t) (x)) - OS_BASE)
42 
 
 53 
 
43 
static inline count_t SIZE2FRAMES(size_t size)
 54 
static inline count_t SIZE2FRAMES(size_t size)
44 
{
 55 
{
45 
	if (!size)
 56 
	if (!size)
46 
		return 0;
 57 
		return 0;
47 
  return (count_t) ((size - 1) >> FRAME_WIDTH) + 1;
 58 
  return (count_t) ((size - 1) >> FRAME_WIDTH) + 1;
48 
}
 59 
}
49 
 
 60 
 
50 
static inline addr_t PFN2ADDR(pfn_t frame)
 61 
static inline addr_t PFN2ADDR(pfn_t frame)
51 
{
 62 
{
52 
  return (addr_t) (frame << FRAME_WIDTH);
 63 
  return (addr_t) (frame << FRAME_WIDTH);
53 
}
 64 
}
54 
 
 65 
 
55 
static inline pfn_t ADDR2PFN(addr_t addr)
 66 
static inline pfn_t ADDR2PFN(addr_t addr)
56 
{
 67 
{
57 
	return (pfn_t) (addr >> FRAME_WIDTH);
 68 
	return (pfn_t) (addr >> FRAME_WIDTH);
58 
};
 69 
};
59 
 
 70 
 
60 
void init_mm();
 71 
void init_mm();
61 
 
 72 
 
- 
 
 73 
void* __fastcall frame_get_parent(pfn_t pfn);
- 
 
 74 
void  __fastcall frame_set_parent(pfn_t pfn, void *data);
- 
 
 75 
 
- 
 
 76 
void frame_free(pfn_t frame);
- 
 
 77 
 
- 
 
 78 
 
62 
addr_t __fastcall core_alloc(u32_t order);
 79 
addr_t __fastcall core_alloc(u32_t order);
63 
void __fastcall core_free(addr_t frame);
 80 
void   __fastcall core_free(addr_t frame);
64 
 
 81 
 
65 
pfn_t alloc_page() __attribute__ ((deprecated));
 82 
pfn_t alloc_page() __attribute__ ((deprecated));
66 
pfn_t __stdcall alloc_pages(count_t count) __asm__ ("_alloc_pages") __attribute__ ((deprecated));
 83 
 
67 
 
 - 
 
68 
void frame_free(pfn_t frame);
 - 
 
69 
 
 - 
 
70 
void __fastcall frame_set_parent(pfn_t pfn, void *data);
 - 
 
71 
void* __fastcall frame_get_parent(pfn_t pfn);
 - 
 
- 
 
 84 
 
72 
 
 85 
md_t* __fastcall md_alloc(size_t size, u32_t flags);
- 
 
 86 
void* __fastcall mem_alloc(size_t size, u32_t flags);
- 
 
 87 
void  __fastcall mem_free(void *mem);
73 
void* __fastcall mem_alloc(size_t size, u32_t flags) ;
 -