bootloader

从零开始写一个简单的bootloader（1）

UBOOT启动流程中的BL0,BL1,BL2 https://blog.csdn.net/qq_49864684/article/details/118897622

https://github.com/milisarge/awesome-littlekernel?tab=readme-ov-file

什麼是 Little Kernel ？

• 用于嵌入式操作系统的微内核

  • https://github.com/littlekernel/lk
  • Android 的 LK: https://android.googlesource.com/kernel/lk/
  • 高通的 chipset 用的 LK 是 fork 自 littlekernel/lk，來作為 Android 裝置的 bootloader(Aboot)

• Booting process of Android devices

  • As of 2018, 90% of the SoCs of the Android market are supplied by either Qualcomm, Samsung or MediaTek.[1] Other vendors include UNISOC, Rockchip, Marvell, Nvidia and previously Texas Instruments.
  • stage 1: Primary Bootloader (PBL) (Boot ROM)
    • space is limited, usually less than 16 KB
  • stage 2: Secondary Bootloader (SBL) (e.g., Little Kernel

• Boot ROM