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sakaki- / gentoo-on-rpi-64bit

Bootable 64-bit Gentoo image for the Raspberry Pi4B, 3B & 3B+, with Linux 5.4, OpenRC, Xfce4, VC4/V3D, camera and h/w codec support, weekly-autobuild binhost
GNU General Public License v3.0
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Building Gentoo on RPI3B (64-Bit) with 5.10 kernel #215

Closed embeddedpenguin closed 2 years ago

embeddedpenguin commented 2 years ago

I've been following your guide here: https://github.com/sakaki-/gentoo-on-rpi-64bit/wiki/Build-an-RPi3-64bit-Kernel-on-your-crossdev-PC

I was very curious about this build. It doesn't work for me, but this could be because I'm using 5.10 and not 4.19. I'm about to try 4.19, but I was wondering how your instructions could work without any of the startup or fixup files from the raspberry pi firmware github: https://github.com/raspberrypi/firmware.

I also notice your build lacks bootcode.bin, cmdline.txt, and config.txt. Are these files unnecessary for booting the pi?

I'll add that what happens when I try to boot with the build from your instructions is a black screen and no blinking green LED on the 3B.

embeddedpenguin commented 2 years ago

Update, 4.19 build did not work either.

embeddedpenguin commented 2 years ago

Using the stable branch of https://github.com/raspberrypi/firmware for its bootcode.bin, start files and fix files solves this issue.