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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-06-29 heyuanjie first version
*/
#ifndef __LWP_H__
#define __LWP_H__
#define LWP_MAGIC 0x5A
#define LWP_TYPE_FIX_ADDR 0x01
#define LWP_TYPE_DYN_ADDR 0x02
#define LWP_ARG_MAX 8
#include <stdint.h>
#include <rtthread.h>
#include <dfs.h>
#include <lwp_memheap.h>
struct rt_lwp
{
uint8_t lwp_type;
uint8_t heap_cnt;
uint8_t reserv[2];
rt_list_t hlist; /**< headp list */
uint8_t *text_entry;
uint32_t text_size;
uint8_t *data;
uint32_t data_size;
uint32_t *kernel_sp; /**< kernel stack point */
struct dfs_fdtable fdt;
void *args;
};
struct lwp_header
{
uint8_t magic;
uint8_t compress_encrypt_algo;
uint16_t reserved;
uint32_t crc32;
};
struct lwp_chunk
{
uint32_t total_len;
char name[4];
uint32_t data_len;
uint32_t data_len_space;
};
extern struct rt_lwp *rt_lwp_self(void);
extern void rt_lwp_mem_init(struct rt_lwp *lwp);
extern void rt_lwp_mem_deinit(struct rt_lwp *lwp);
extern void *rt_lwp_mem_malloc(rt_uint32_t size);
extern void rt_lwp_mem_free(void *addr);
extern void *rt_lwp_mem_realloc(void *rmem, rt_size_t newsize);
#endif
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