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 ...

Booting a computer is always more complex than one wants to think. On the PC side, it looks as if BIOS finally is retired and replaced by EFI (I wonder which was the last OS to use BIOS for anything ...

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 ...

Linux, an immensely powerful and versatile operating system, sits at the heart of countless applications, from tiny embedded devices to massive servers. A pivotal aspect for any user, whether a ...

Windows 10 isn’t the only (kind of) free operating system you can install on your computer. Linux can run from just a USB drive without modifying your existing system, but you’ll want to install it on ...

Windows might be your bread and butter, but you can dual-boot it with Linux if you want to tinker, or play around with a wider range of open source software. Whether you're using Windows 10 or Windows ...

The plan was, as James Bottomley, Parallels' CTO of server virtualization and well-known Linux Kernel maintainer, explained on October 10th, 2012, to "obtain a Microsoft Key and sign a small ...

Facepalm: Microsoft recently released its latest batch of monthly security updates for Windows and other software products. However, a bug fix designed to address a Secure Boot vulnerability ...

Taking your first steps into the world of Linux can be a scary proposition. After all, we have a whole new world of terminal commands, desktop environments and applications to learn. Thankfully Linux ...