一种掉电安全的嵌入式文件系统设计方法  

Design Method of Secure File System on Embedded System

作　　者：凌特利 徐云松 沈沉 张荣良 Ling Teli;Xu Yunsong;Shen Chen;Zhang Rongliang(Xuchang Xuji Software Technology Limited Company,Xuchang 461000,China)

机构地区：[1]许昌许继软件技术有限公司,许昌461000

出　　处：《单片机与嵌入式系统应用》2019年第5期33-36,共4页Microcontrollers & Embedded Systems

摘　　要：提出一种适用于嵌入式系统的安全文件系统设计方法,该文件系统支持大容量,具有安全、高效特性,特别适用于eMMC等芯片。阐述了该文件系统适用的存储芯片、文件系统的具体设计方法、控制器驱动设计、设计实例和性能优化方法,最后给出了测试数据,说明该文件系统具有安全、高效特性。本设计方法简单实用,具有一定的借鉴价值。In the paper,a design method of secure file system on embedded system is introduced.This method is secure and high performance,supports mass storage,and is suitable for eMMC chip particularly.The detailed content is discussed,including storage chip applicable to the file system,the detailed design method,the controller driver design,a design example and the performance optimization methods.Finally,the test data is given.It is stated that this file system is secure and high performance.The design method is simple and practical,it has certain applications and reference value.

关 键 词：安全文件系统 FAT 大容量存储 eMMC 

分 类 号：TP333.5[自动化与计算机技术—计算机系统结构]