Tutorial: Install OpenBSD on ROCK64 media board
#28
Sorry, for my late response.

(05-02-2021, 01:19 PM)Enig123 Wrote: BTW, for an already installed disk, is there a way to update u-boot without affecting a working os?

Of course. Simple build U-Boot and copy the two files (idbloader.img and u-boot.itb) to SD/MMC card where OpenBSD is installed:

Code:
dd if=/path/to/idbloader.img of=/dev/sd0c bs=512 seek=64 conv=sync

Code:
dd if=/path/to/u-boot.itb of=/dev/sd0c bs=512 seek=16384 conv=sync
Code:
/* Beware of bugs in the above code; I have only proved it correct, not tried it */
 Original quote by Donald E. Knuth
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Messages In This Thread
RE: Tutorial: Install OpenBSD on ROCK64 media board - by krjdev - 05-05-2021, 02:29 PM

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