Heap management functions. More...

#include <ppu-types.h>

Data Structures
struct	_heap_block_t

struct	_heap_cntrl_t

Macros
#define	CPU_ALIGNMENT PPU_ALIGNMENT

#define	HEAP_BLOCK_PREV_USED ((uintptr_t) 1)

#define	HEAP_BLOCK_ALLOC_BONUS (sizeof(uintptr_t))

#define	HEAP_BLOCK_HEADER_SIZE (2*sizeof(uintptr_t))

Typedefs
typedef struct _heap_block_t	heap_block

typedef struct _heap_cntrl_t	heap_cntrl

Functions
struct _heap_block_t	__attribute__ ((packed))

uintptr_t	heapInit (heap_cntrl theheap, void start_addr, uintptr_t size)

void *	heapAllocate (heap_cntrl *theheap, uintptr_t size)

void *	heapAllocateAligned (heap_cntrl *theheap, uintptr_t size, uintptr_t alignment)

bool	heapFree (heap_cntrl theheap, void ptr)

Variables
uintptr_t	prev_size

uintptr_t	size

heap_block *	next

heap_block *	prev

struct _heap_cntrl_t	__attribute__

Detailed Description

Heap management functions.

Definition in file heap.h.

Macro Definition Documentation

◆ CPU_ALIGNMENT

#define CPU_ALIGNMENT PPU_ALIGNMENT

Definition at line 10 of file heap.h.

◆ HEAP_BLOCK_ALLOC_BONUS

#define HEAP_BLOCK_ALLOC_BONUS (sizeof(uintptr_t))

Definition at line 13 of file heap.h.

◆ HEAP_BLOCK_HEADER_SIZE

#define HEAP_BLOCK_HEADER_SIZE (2*sizeof(uintptr_t))

Definition at line 14 of file heap.h.

◆ HEAP_BLOCK_PREV_USED

#define HEAP_BLOCK_PREV_USED ((uintptr_t) 1)

Definition at line 12 of file heap.h.

Typedef Documentation

◆ heap_block

typedef struct _heap_block_t heap_block

Definition at line 20 of file heap.h.

◆ heap_cntrl

typedef struct _heap_cntrl_t heap_cntrl

Definition at line 21 of file heap.h.

Function Documentation

◆ attribute()

struct _heap_block_t __attribute__ ( (packed) )

◆ heapAllocate()

void * heapAllocate	(	heap_cntrl *	theheap,
		uintptr_t	size
	)

◆ heapAllocateAligned()

void * heapAllocateAligned	(	heap_cntrl *	theheap,
		uintptr_t	size,
		uintptr_t	alignment
	)

◆ heapFree()

bool heapFree	(	heap_cntrl *	theheap,
		void *	ptr
	)

◆ heapInit()

uintptr_t heapInit	(	heap_cntrl *	theheap,
		void *	start_addr,
		uintptr_t	size
	)

Variable Documentation

◆ attribute

__attribute__

◆ next

heap_block* next

Definition at line 2 of file heap.h.

◆ prev

heap_block* prev

Definition at line 3 of file heap.h.

◆ prev_size

uintptr_t prev_size

Definition at line 0 of file heap.h.

◆ size

uintptr_t size

Definition at line 1 of file heap.h.

Data Structures

Macros

Typedefs

Functions

Variables