kheap.h File Reference

#include <stddef.h>
#include <stdint.h>

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Functions
int	kheap_init (void *start_address, uint32_t size)
	Initializes kernel heap.
void *	kmalloc (size_t size)
	Allocates specified size in heap.
void *	kzalloc (size_t size)
	Allocated specified size in heap and zeroes it.
void	kfree (void *ptr)
	Frees specified pointer.

Function Documentation

kfree()

void kfree

(

void *

ptr

)

Frees specified pointer.

Parameters

ptr	Pointer to free

References heap_free(), and kernel_heap.

kheap_init()

int kheap_init	(	void *	start_address,
		uint32_t	size
	)

Initializes kernel heap.

Parameters

start_address	Starting address for heap allocation
size	Size of heap in bytes

Returns

int Status

References heap_table::entries, HEAP_BLOCK_SIZE, heap_create(), HEAP_TABLE_ADDRESS, kernel_heap, kernel_heap_table, size, start_address, and heap_table::total.

kmalloc()

void * kmalloc

(

size_t

size

)

Allocates specified size in heap.

Parameters

size	Requested allocation size

Returns

void* Pointer to allocated memory, 0 if errored

References heap_malloc(), kernel_heap, and size.

kzalloc()

void * kzalloc

(

size_t

size

)

Allocated specified size in heap and zeroes it.

Parameters

size	Requested allocation swize

Returns

void* Pointer to allocated memory, 0 if errored

References kmalloc(), memset(), and size.