L i n u x b o o t p r o c e s s
Update the kenel from the USB stick to the memory and write it to flash memory.
#run update_kernel_usb
Linux boot process
The command “bootm” uncompress the kernel and runs the function start_kernel(). Once the kernel is started, several options are given to the kernel: machine type, command line and ATAG list. The kernel itself does some basic initialization;
MMU
Machine Type
Interrupt Handler
Timer
Loading drivers
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