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Startup process of uboot:
2022-07-05 11:15:00 【XXXX chasing the wind】
uboot Startup process :
The first stage : Hardware initialization For loading bootloader Get ready RAM Space Copy the code to the second stage RAM Space Set the stack Jump to the second stage C entry point
The second stage : Hardware equipment used in the initial stage Detect system memory mapping Put the kernel , The root file system is from FLASH Read RAM Set the boot parameters for the kernel Call kernel
Reference resources :https://blog.51cto.com/u_14653665/5114138
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