DM642引导加载方式研究及其C语言实现

摘要

详细阐述了DM642的二级bootloader基本原理、加载过程及其C语言实现方案,并验证了该方案的可行性与稳定性,为开发基于DM642的多媒体系统提供了新思路、新途径,具有很大的实用性.%This paper describes the basic principle and loading process of secondary bootloader and its implementation with C for DM642.The feasibility and stability of this scheme has been verified.A new idea and way for developing multimedia processing system based on DM642 is provided.It has great practical significance.