#include <string.h>
#include "uffs/uffs_types.h"
#include "uffs/uffs_public.h"
#include "uffs/uffs_os.h"
#include "uffs/uffs_mem.h"
Go to the source code of this file.
Defines | |
#define | ALLOC_OFFSET 12 |
#define | ALLOC_PAGE_BIT_OFFSET 5 |
#define | ALLOC_PAGE_MASK (ALLOC_PAGE_SIZE - 1) |
#define | ALLOC_PAGE_SIZE (1 << ALLOC_PAGE_BIT_OFFSET) |
#define | ALLOC_THRESHOLD (ALLOC_PAGE_SIZE * 1) |
#define | HEAP_MAGIC_SIZE 8 |
#define | HEAP_NODE_ALLOCED 0xaa551234 |
#define | HEAP_NODE_FREE 0x123455aa |
#define | K_HEAP_ALLOCK_BEST_FIT |
#define | PFX "mem:" |
Typedefs | |
typedef _HEAPNODE | HEAPNODE |
Functions | |
void | uffs_InitHeapMemory (void *addr, int size) |
Add a new memory region to the free heap. | |
URET | uffs_initNativeMemAllocator (uffs_Device *dev) |
int | uffs_releaseNativeMemAllocator (uffs_Device *dev) |
Definition in file uffs_mem.c.
#define ALLOC_OFFSET 12 |
Definition at line 39 of file uffs_mem.c.
#define ALLOC_PAGE_BIT_OFFSET 5 |
Definition at line 30 of file uffs_mem.c.
#define ALLOC_PAGE_MASK (ALLOC_PAGE_SIZE - 1) |
Definition at line 32 of file uffs_mem.c.
#define ALLOC_PAGE_SIZE (1 << ALLOC_PAGE_BIT_OFFSET) |
#define ALLOC_THRESHOLD (ALLOC_PAGE_SIZE * 1) |
Definition at line 33 of file uffs_mem.c.
#define HEAP_MAGIC_SIZE 8 |
Definition at line 18 of file uffs_mem.c.
#define HEAP_NODE_ALLOCED 0xaa551234 |
#define HEAP_NODE_FREE 0x123455aa |
#define K_HEAP_ALLOCK_BEST_FIT |
Definition at line 26 of file uffs_mem.c.
#define PFX "mem:" |
Definition at line 15 of file uffs_mem.c.
typedef struct _HEAPNODE HEAPNODE |
void uffs_InitHeapMemory | ( | void * | addr, | |
int | size | |||
) |
Add a new memory region to the free heap.
This function is called during initialization.
Applications typically do not call this function.
addr | Start address of the memory region. | |
size | Number of bytes of the memory region. |
Definition at line 483 of file uffs_mem.c.
References ALLOC_PAGE_SIZE, HEAP_NODE_ALLOCED, HEAP_NODE_FREE, NULL, uffs_CriticalEnter(), and uffs_CriticalExit().
Referenced by InitFileSystem().
URET uffs_initNativeMemAllocator | ( | uffs_Device * | dev | ) |
Definition at line 786 of file uffs_mem.c.
References uffs_memAllocatorSt::calloc, uffs_memAllocatorSt::free, uffs_memAllocatorSt::malloc, uffs_DeviceSt::mem, NULL, uffs_memAllocatorSt::realloc, uffs_memAllocatorSt::tbl, U_FAIL, and U_SUCC.
int uffs_releaseNativeMemAllocator | ( | uffs_Device * | dev | ) |
Definition at line 809 of file uffs_mem.c.
References uffs_DeviceSt::mem, and uffs_memAllocatorSt::tbl.