allocator.c File Reference

#include <memory/physmem.h>
#include <memory/paging.h>
#include <util/util.h>
#include <util/list.h>

Include dependency graph for allocator.c:

Go to the source code of this file.

Classes
struct	heapEntry

Macros
#define	HEAP_ALIGN_SIZE   16
#define	HEAP_ALIGN_MASK   (HEAP_ALIGN_SIZE - 1)
#define	SMALL_HEAP_MAGIC   0xFEEFABB1
#define	LARGE_HEAP_MAGIC   0xFEEFABB2
#define	VALIDATE_UNUSED_LIST(unused_list)

Functions
void *	heapAlloc (uint32_t length)
	Allocates a block of kernel memory. More...
void	heapFree (void *addr)
	Deallocates a block of kernel memory. More...
uint32_t	heapSize (void *addr)
	Determines the size of a specific kernel memory block. More...
void *	heapReAlloc (void *addr, uint32_t length)
	Resizes a block of kernel memory. More...
void	heapVerify ()
	Runs some internal checks to ensure that the heap is still valid. More...

Macro Definition Documentation

VALIDATE_UNUSED_LIST

#define VALIDATE_UNUSED_LIST

(

unused_list

)

Value:

do \
        { \
            LL_FOR_EACH(heap, unused_list, struct heapEntry, entry) \
            { \
                assert(((uint32_t)heap & HEAP_ALIGN_MASK) == 0); \
                assert(heap->heapMagic == SMALL_HEAP_MAGIC); \
                assert(heap->length >= sizeof(struct heapEntry) + 16); \
                assert(!heap->reserved); \
            } \
        } \
        while(0)