mem_man.h

实现在ARM上的ICP/IP功能的源代码。

/*
 * Author: Li Zhanglin <[e-mail]>
 *
 */

#define TCPIP_BUF_SIZE	1024*62
/* use pNext and pPre mem blocks are linked in chain */
struct SMemHead
{
	struct SMemHead  *pNext;	/* next mem block */
	struct SMemHead  *pPre;	/* previous mem block */
	u32_t used;				/* if in using */
	u32_t pad_len;
	u8_t *pStart;			/* the start address of valid data */
	u8_t *pEnd;
};
void MemInit(void);
struct SMemHead *MemAllocate(u16_t size);
void MemFree(struct SMemHead * MemHead) ;
u32_t MemFreeSize(void);
/*AT: arm_cpu.h HAVE TO BE INCLUDED BEFORE INCLUDE MEM_MAN.H*/