基于扁平设备树的Linux内核启动方式  

Mode of Startup Linux Kernel Based on Flatted Device Tree

作　　者：邱文华[1] 邱珍珍[1] 

机构地区：[1]华南师范大学增城学院

出　　处：《现代计算机》2009年第3期115-118,共4页Modern Computer

摘　　要：Linux系统启动过程中,需要由u-boot(bootloader)向内核传递一些必要的参数,例如kernel地址、initrd地址、cmd_line、内存大小、外围设备信息等内容。以前的传递方式是通过structbd_info这个结构体来实现,但这种方式缺乏灵活性,于是在最新PowerPC的启动过程中采用了基于扁平设备树(flatted device tree)的参数传递方式,这种方式比较灵活,而且是未来的发展趋势。In the process of startup Linux system, the u-boot should transfer some necessary parameters, such as kernel address, initrd address, cmd line, the size of memory and the information of peripheral equipment. The former transfer mode is carried out by struct bd info, but the method is lack of agility. So in the up to date startup process adopts transferring parameters mode based on flatted device tree. The method is agility and would be the intending development direction.

关 键 词：U—Boot 扁平设备树 DTC 

分 类 号：TP316.81[自动化与计算机技术—计算机软件与理论]