/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
__s32 update_flash_exit(int type)
{
return sprite_flash_exit(type);
}
/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
int private_fetch_from_flash(void)
{
char *mbr_buf;
MBR *mbr_info;
int crc, i;
int size, start;
int ret = -1;
int s_type = 0;
memset(mac_addr_store, 0, 32);
env_flash_dram_base = (char *)ENV_FLASH_DRAM_ADDRESS;
private_flash_dram_base = (char *)PRIVATE_FLASH_DRAM_ADDRESS;
#if 1
if(sprite_flash_init(&s_type))
{
__inf("update flash env err: flash init\n");
return -1;
}
mbr_buf=wBoot_malloc(MBR_SIZE*MBR_COPY_NUM);
if(0 == mbr_buf)
{
__inf("update flash env err: malloc mbr buffer failed!\n");
goto update_flash_env_err;
}
if(sprite_flash_read(0, MBR_SIZE*MBR_COPY_NUM/512, mbr_buf))
{
__inf("update flash env err: read flash error\n");
goto update_flash_env_err;
}
for(i=0;i<MBR_COPY_NUM;i++)
{
mbr_info = (MBR *)(mbr_buf + i * MBR_SIZE);
crc = calc_crc32((void *)&mbr_info->version, sizeof(MBR) - 4);
if(crc == mbr_info->crc32)
{
break;
}
}
if(4 == i)
{
ret = 0;
__inf("update flash env err: cant find good flash mbr\n");
wBoot_free(mbr_buf);
goto update_flash_env_err;
}
for(i=0;i<mbr_info->PartCount;i++)
{
if(!strcmp("env", (const char *)mbr_info->array[i].name))
{
__inf("env part found\n");
start = mbr_info->array[i].addrlo;
size = mbr_info->array[i].lenlo;
memset(env_flash_dram_base, 0, size<<9);
if(sprite_flash_read(start, size, env_flash_dram_base))
{
__inf("update flash env err: read env data error\n");
wBoot_free(mbr_buf);
goto update_flash_env_err;
}
env_exist = 1;
}
else if(!strcmp("private", (const char *)mbr_info->array[i].name))
{
__inf("private part found\n");
start = mbr_info->array[i].addrlo;
size = mbr_info->array[i].lenlo;
memset(private_flash_dram_base, 0, size<<9);
if(sprite_flash_read(start, size, private_flash_dram_base))
{
__inf("update flash private err: read private data error\n");
wBoot_free(mbr_buf);
goto update_flash_env_err;
}
private_flash_flash_size = size<<9;
private_exist = 1;
}
}
ret = 0;
wBoot_free(mbr_buf);
update_flash_env_err:
sprite_flash_exit(s_type);
#endif
// if(!env_exist) //如果在旧的环境变量中没有找到动态数据，则去boot1中寻找
// {
// ret = env_fetch_from_boot1();
// }
return ret;
}
