mtd_shellcmd.c 文件参考

浏览源代码.

函数
INT32	osShellCmdPartitionShow (INT32 argc, const CHAR **argv)
	SHELLCMD_ENTRY (partition_shellcmd, CMD_TYPE_EX, "partition", XARGS,(CmdCallBackFunc) osShellCmdPartitionShow)

函数说明

osShellCmdPartitionShow()

INT32 osShellCmdPartitionShow	(	INT32	argc,
		const CHAR **	argv
	)

在文件 mtd_shellcmd.c 第 55 行定义.

{
    mtd_partition *node = NULL;
    const CHAR *fs = NULL;
    partition_param *param = NULL;
 
    if (argc != 1) {//只接受一个参数
        PRINT_ERR("partition [nand/spinor]\n");
        return -EPERM;
    } else {
        fs = argv[0];
    }
 
    if (strcmp(fs, "nand") == 0) { // #partition nand
        param = GetNandPartParam(); //获取 nand flash 信息
    } else if (strcmp(fs, "spinor") == 0) { // #partition spinor
        param = GetSpinorPartParam(); //获取 spi nor flash 信息
    } else {
        PRINT_ERR("not supported!\n");
        return -EINVAL;
    }
 
    if ((param == NULL) || (param->flash_mtd == NULL)) {
        PRINT_ERR("no partition!\n");
        return -EINVAL;
    }
 
    LOS_DL_LIST_FOR_EACH_ENTRY(node, &param->partition_head->node_info, mtd_partition, node_info) {
        PRINTK("%s partition num:%u, blkdev name:%s, mountpt:%s, startaddr:0x%08x, length:0x%08x\n",
            fs, node->patitionnum, node->blockdriver_name, node->mountpoint_name,
            (node->start_block * param->block_size),
            ((node->end_block - node->start_block) + 1) * param->block_size);
    }
    return ENOERR;
}

函数调用图:

SHELLCMD_ENTRY()

SHELLCMD_ENTRY	(	partition_shellcmd	,
		CMD_TYPE_EX	,
		"partition"	,
		XARGS	,
		(CmdCallBackFunc)	osShellCmdPartitionShow
	)