los_memory.h 文件参考

#include "los_config.h"
#include "los_base.h"
#include "los_toolchain.h"
#include "los_membox.h"

los_memory.h 的引用(Include)关系图:

此图展示该文件直接或间接的被哪些文件引用了:

浏览源代码.

结构体
struct	LOS_MEM_POOL_STATUS

宏定义
#define	OS_MEM_ALIGN(p, alignSize)   (((UINTPTR)(p) + (alignSize) - 1) & ~((UINTPTR)((alignSize) - 1)))
#define	OS_MEM_ALIGN_SIZE   (sizeof(UINTPTR))
#define	MEM_MODULE_MAX   0x20
#define	LOS_MEM_INIT_ATTR_SLAB_POS   0U
#define	LOS_MEM_INIT_ATTR_SLAB_MSK   1U /* << LOS_MEM_INIT_ATTR_SLAB_POS */
#define	LOS_MEM_CHECK_LEVEL_LOW   0
#define	LOS_MEM_CHECK_LEVEL_HIGH   1
#define	LOS_MEM_CHECK_LEVEL_DISABLE   0xff
#define	LOS_MEM_CHECK_LEVEL_DEFAULT   LOS_MEM_CHECK_LEVEL_DISABLE
#define	LOS_ERRNO_MEMCHECK_PARA_NULL   LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x1)
#define	LOS_ERRNO_MEMCHECK_OUTSIDE   LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x2)
#define	LOS_ERRNO_MEMCHECK_NO_HEAD   LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x3)
#define	LOS_ERRNO_MEMCHECK_WRONG_LEVEL   LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x4)
#define	LOS_ERRNO_MEMCHECK_DISABLED   LOS_ERRNO_OS_ERROR(LOS_MOD_MEM, 0x5)

类型定义
typedef void(*	MALLOC_HOOK) (void)
	Define the type of the customized tuning function when calling the API LOS_MemAlloc to allocate memory.

函数
void *	LOS_MemMalloc (void *pool, UINT32 size, UINT32 moduleId)
	Allocate dynamic memory.
void *	LOS_MemMallocAlign (void *pool, UINT32 size, UINT32 boundary, UINT32 moduleId)
	Allocate aligned memory.
UINT32	LOS_MemMfree (void *pool, void *ptr, UINT32 moduleId)
	Free dynamic memory.
void *	LOS_MemMrealloc (void *pool, void *ptr, UINT32 size, UINT32 moduleId)
	Re-allocate a memory block.
UINT32	LOS_MemMusedGet (UINT32 moduleId)
	get the used memory size of the specified module.
UINT32	LOS_MemDeInit (void *pool)
	Deinitialize dynamic memory.
UINT32	LOS_MemPoolList (void)
	Print information about all pools.
UINT32	LOS_MemPoolInit (void *pool, UINT32 size, UINT32 attr)
	Initialize dynamic memory.
UINT32	LOS_MemInit (void *pool, UINT32 size)
	Initialize dynamic memory.
void *	LOS_MemAlloc (void *pool, UINT32 size)
	Allocate dynamic memory.
UINT32	LOS_MemFree (void *pool, void *ptr)
	Free dynamic memory.
void *	LOS_MemRealloc (void *pool, void *ptr, UINT32 size)
	Re-allocate a memory block.
void *	LOS_MemAllocAlign (void *pool, UINT32 size, UINT32 boundary)
	Allocate aligned memory.
UINT32	LOS_MemPoolSizeGet (const void *pool)
	Get the size of memory pool's size.
UINT32	LOS_MemTotalUsedGet (void *pool)
	Get the size of memory totally used.
UINT32	LOS_MemFreeBlksGet (void *pool)
	Get the number of free memory nodes.
UINT32	LOS_MemUsedBlksGet (void *pool)
	Get the number of used memory nodes.
UINT32	LOS_MemTaskIdGet (const void *ptr)
	Get the task ID of a used memory node.
UINTPTR	LOS_MemLastUsedGet (void *pool)
	Get the address of the next byte of the last used byte.
UINT32	LOS_MemInfoGet (void *pool, LOS_MEM_POOL_STATUS *poolStatus)
	Get the information of memory pool.
UINT32	LOS_MemFreeNodeShow (void *pool)
	Get the number of free node in every size.
UINT32	LOS_MemIntegrityCheck (const void *pool)
	Check the memory pool integrity.

变量
MALLOC_HOOK	g_MALLOC_HOOK
UINT8 *	m_aucSysMem0
UINT8 *	m_aucSysMem1

宏定义说明

LOS_MEM_INIT_ATTR_SLAB_MSK

#define LOS_MEM_INIT_ATTR_SLAB_MSK   1U /* << LOS_MEM_INIT_ATTR_SLAB_POS */

OS_MEM_ALIGN

#define OS_MEM_ALIGN	(		p,
			alignSize
	)		(((UINTPTR)(p) + (alignSize) - 1) & ~((UINTPTR)((alignSize) - 1)))

OS_MEM_ALIGN_SIZE

#define OS_MEM_ALIGN_SIZE   (sizeof(UINTPTR))