44 lines
1.3 KiB
C
Executable File
44 lines
1.3 KiB
C
Executable File
#pragma once
|
|
|
|
#include "types.h"
|
|
#include "util.h"
|
|
#include "assert.h"
|
|
#include "spinlock.h"
|
|
#include "kobject.h"
|
|
#define MAGIC_NUM 0xFEDCBA98 //!< mm的幻数
|
|
#define MEM_HEAP_NAME KOBJ_NAME_SIZE //!< 名字长度
|
|
|
|
typedef struct mem_heap
|
|
{
|
|
char name[MEM_HEAP_NAME];
|
|
struct mem_heap *next;
|
|
struct mem_heap *prev;
|
|
umword_t size; // 可用的大小
|
|
uint32_t used;
|
|
uint32_t magic;
|
|
} mem_heap_t;
|
|
|
|
#define MEM_HEAP_STRUCT_SIZE ALIGN(sizeof(struct mem_heap), 4) //!< 对齐大小
|
|
|
|
typedef struct mem
|
|
{
|
|
struct mem_heap *heap_start; //!< 开始位置
|
|
struct mem_heap *heap_end; //!< 结束位置
|
|
struct mem_heap *l_heap; //!< 空闲位置
|
|
spinlock_t lock;
|
|
} mem_t;
|
|
|
|
void mem_init(mem_t *_this);
|
|
void mem_free(mem_t *_this, void *mem);
|
|
void *mem_alloc(mem_t *_this, uint32_t size);
|
|
int mem_heap_add(mem_t *_this, void *mem, uint32_t size);
|
|
void *mem_split(mem_t *_this, void *mem, uint32_t size);
|
|
void *mem_alloc_align(mem_t *_this, uint32_t size, uint32_t align);
|
|
void mem_free_align(mem_t *_this, void *f_mem);
|
|
size_t mem_get_free_size(mem_t *_this);
|
|
struct mem_heap *mem_get_free(mem_t *_this, struct mem_heap *next,
|
|
int32_t hope_size, uint32_t *ret_addr);
|
|
|
|
void mem_trace(mem_t *_this);
|
|
void mem_info(mem_t *_this, size_t *total, size_t *free);
|