论文部分内容阅读
引导程序(BootLoader)的实现是嵌入式系统开发的重要部分之一,因为它是连接硬件系统和操作系统的纽带,并在整个系统的开发中占有很大的比例.该文设计了基于SRAM的ARM系统,并以AT91RM9200处理器为例详细分析了系统各阶段引导程序的源代码以及执行流程.着重阐述了引导程序在基于SRAM的ARM系统上的移植方法,为基于SRAM的ARM系统设计提供了一种有效的技术途径.应用结果表明,移植后的引导程序在目标板上运行稳定可靠,具有较强的实用性.“,”The implementation of BootLoader is an important part of embedded system development, because it connects the hardware with operating system, and accounts for a large proportion of the whole system development. This paper designs the ARM system based on SRAM, and analyzes the source code and execution procedure of BootLoader in detail, by taking AT91RM9200 as an example. It emphatically illustrates the BootLoader transplanting method in ARM system based on SRAM, and provides an effective technical approach for designing ARM system based on SRAM. The experimental result states that transplanted BootLoader is useful, which can run stably and reliably.