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Tag: u-boot

modifying u-boot environment in kernel init

I’m trying to modify a u-boot env arg within the kernel code. I’ve found boot_command_line var in main.c and setup.c, which contains an arg, so that made me think it is possible, however, I coudn’t find where this var is being updated with the u-boot env arg value, or how to get a different arg and then write it back

How to print memory variable in U-boot?

i have the following lines in my U-boot environment: The comparison works. But how can i echo the contents of the memory address 10e00000? I tried to print in the failure handler: but when i print the environment i can see that it has replaced the variable with the memory address: How can i print the contents of the memory

How u-boot start instruction is found by ROM Code

I am trying to understand ARM Linux Boot Process. These are the things I understood: When reset button is pressed in any processor, it jumps to the reset vector or address, in case of ARM it is either 0x00 or 0xFFFF0000. This location contains the start up code or ROM Code or Boot ROM Code My query is how this

How can I build a Linux distro? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 6 years ago. Improve this question Disclaimer: This is my first time delving into the embedded Linux world (Ubuntu and Debian), despite being a Linux user

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