KR260首先从QSPI加载BOOT.BIN启动U-BOOT，U-BOOT再从SD（TF）卡的第1个分区（sda1）启动Linux内核，Linux内核再把SD（TF）卡的第2个分区（sda2）加载为根文件系统。BOOT.BIN包含FSBL、U-BOOT。Linux的启动文件包括boot.scr,Image,ramdisk.cpio.gz.u-boot,system.dtb,system-zynqm ...

本文基于 armv8 架构来对 u-boot 进行启动流程分析，u-boot版本为2022-01。 首先引用wiki上的简介：u-boot 是一个主要用于嵌入式系统的引导加载程序，可以支持多种不同的计算机系统结构。 u-boot最先是由德国DENX软件中心团队开发，后续众多有志于开放源码bootloader移植 ...

It is no secret that Linux has won the race in the embedded device marketplace. Tremendous advantages in Linux have broken almost every barrier to entry for using Linux on embedded systems across a ...

Embedded developers working on kernels or bare-metal programs often go through several development cycles. Each time the developer modifies the code, the code has to be compiled, the ELF (Executable ...

IT security researchers have discovered several security vulnerabilities in the Universal Boot Manager U-Boot. They allow attackers to circumvent the chain of trust and inject and execute arbitrary ...