inc/kernelheap.h

   1 // Kernel heap
   2
   3 #ifndef __KERNEL__KHEAP___HEADER____
   4 #define __KERNEL__KHEAP___HEADER____
   5
   6 #include "types.h"
   7 #include "ord_array.h"
   8
   9
  10
  11 extern const UINT KHEAP_start;
  12 extern const UINT KHEAP_size;
  13 extern const UINT KHEAP_indexsize;
  14 extern const UINT KHEAP_MAGIC;
  15
  16
  17 typedef struct
  18 {
  19         UINT magic;
  20         UINT8 is_hole;
  21         UINT size;
  22 } HEAP_header;
  23
  24 typedef struct
  25 {
  26         UINT magic;
  27         HEAP_header *header;
  28 } HEAP_footer;
  29
  30 typedef struct
  31 {
  32         OrdArray index;
  33         UINT start_address;
  34         UINT end_address;
  35         UINT8 supervisor;
  36         UINT8 readonly;
  37 } Heap;
  38
  39
  40 extern INT8 create_heap (Heap *, UINT, UINT, UINT8, UINT8);
  41 extern void *alloc(UINT, UINT8, Heap*);
  42 extern void *kalloc(UINT, UINT8);
  43 extern void free(void *, Heap*);
  44 extern void kfree(void *);
  45
  46 extern Heap KHeap;
  47
  48 #endif //(__KERNEL__KHEAP___HEADER____)
  49