Save bootargs from 1st stage bootloader like linux does

Dzmitry Sankouski dsankouski at gmail.com
Mon Jan 10 16:10:42 CET 2022


Seems like this is already supported with save_boot_params function

пн, 10 янв. 2022 г. в 18:01, Dzmitry Sankouski <dsankouski at gmail.com>:

> I'm working on a project to bring mainline linux kernels to android phones.
> I'm planning to use u-boot as a secondary stage bootloader packed in
> android boot image,
> so that linux kernel is replaced with u-boot, and initramfs is replaced
> with FIT image.
>
> This approach allows to use u-boot on a phone without much pain with
> storage drivers.
>
> Obviously, u-boot should know initramfs load address. It can be obtained
> from initrd-start
> device tree option. However, on arm64 address to the right device tree is
> provided in x0 CPU
> register.
>
> Would you accept a patch to preserve boot args on arm64?
>
>
>


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