kmalloc.c File Reference

#include "kmalloc.h"
#include "managers.h"
#include "utils/common.h"
#include "utils/native.h"

Include dependency graph for kmalloc.c:

Data Structures
struct	kmalloc_info

Macros
#define	IS_FREE(x)   ((x->pointer & 1) == 0)
#define	IS_USED(x)   ((x->pointer & 1) == 1)
#define	MARK_FREE(x)   (x->pointer = CLEAR_BIT(x->pointer, 0))
#define	MARK_USED(x)   (x->pointer = SET_BIT(x->pointer, 0))
#define	GET_ADDR(x)   (x->pointer & ~1)
#define	SET_ADDR(x, val)   (x->pointer = val | (x->pointer & 1))
#define	STORE_SIZE   MB(128)

Functions
void	kmalloc_init ()
	Initialize the kernel memory allocator. More...
void	kcompact ()
	Compact the kernel memory allocation table. More...
void *	kmalloc (size_t size)
	kernel malloc More...
void	kfree (void *addr)
	kernel free More...

Variables
void *	k_pages_base_addr
int	max_allocs = 0
uint32_t	free_space = 0
kmalloc_info *	allocation_info = NULL
kmalloc_info *	next_free_block = NULL
bool	retry = FALSE

Macro Definition Documentation

#define GET_ADDR

(

x

)

(x->pointer & ~1)

#define IS_FREE

(

x

)

((x->pointer & 1) == 0)

#define IS_USED

(

x

)

((x->pointer & 1) == 1)

#define MARK_FREE

(

x

)

(x->pointer = CLEAR_BIT(x->pointer, 0))

#define MARK_USED

(

x

)

(x->pointer = SET_BIT(x->pointer, 0))

#define SET_ADDR	(		x,
			val
	)		(x->pointer = val | (x->pointer & 1))

#define STORE_SIZE   MB(128)

Variable Documentation

kmalloc_info* allocation_info = NULL

uint32_t free_space = 0

void* k_pages_base_addr

int max_allocs = 0

kmalloc_info * next_free_block = NULL

bool retry = FALSE