OS Kernel

title: [Writing an OS Kernel from Scratch] 336 – U-Boot Porting: Getting Your Dev Board Running from Zero category: os tag: [u-boot, embedded, arm, porting] source: https://github.com/golang12306/os-kernel-from-scratch [Writing an OS Kernel from Scratch] 336 – U-Boot Porting: Getting Your Dev Board Running from Zero 1. The Essence of U-Boot Porting U-Boot porting is essentially making... » read more

355 | Virtual Memory: From CR3 to Complete Page Table Setup Key Insight: Without virtual memory, the kernel cannot even protect itself. The security foundation of the entire modern OS rests on a single register — CR3. 1. There Must First Be Someone, Then There Is a Virtual Address The previous article covered how the... » read more

Writing an OS Kernel from Scratch | MBR Partition: How Disks Are Sliced Into Blocks and How Multi-Boot Systems Coexist Have you ever had this experience: You buy a new hard drive, plug it into your computer, open the disk management tool, and see a blank slate with “Unallocated” written on it — then you... » read more