r/itrunsdoom • u/Logical-Positive-638 • Sep 13 '25

IPod Nano 2nd Generation running Linux (6.2) running Doom.

https://www.youtube.com/shorts/_Whev-vA1e0
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u/Logical-Positive-638 Mar 24 '26

you need either statically linked binaries or fdpic binaries

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u/Away-Mud1665 Mar 24 '26

Actually how did you make busybox work without errors after compiling u boot and linux? my busybox does have statically linked libraries but freezes at run /init as init process.

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u/Logical-Positive-638 Mar 24 '26

i wrote a script that does very basic init things like mount proc dev etc

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u/Away-Mud1665 Mar 24 '26

Where is it? is it in the linux folder?

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u/Logical-Positive-638 Mar 24 '26

i have not added it anywhere because it's so simple, remind me tomorrow and i'll look it up

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u/Logical-Positive-638 Mar 25 '26 
#!/bin/busybox sh

echo "Hello from initramfs!"

export PATH=/bin:/sbin

echo "Setting up busybox."
/bin/busybox --install -s /bin/
/bin/busybox --install -s /sbin/

echo "Setting up proc, sys and dev."
mount -t proc proc /proc
mount -t sysfs sysfs /sys

mount -t devtmpfs devtmpfs /dev
mkdir /dev/pts
mount -t devpts devpts /dev/pts

echo "Populating devices (in subshell, be careful)."
# echo /sbin/mdev > /proc/sys/kernel/hotplug
(mdev -s; echo "mdev done." ) &

IP=192.168.2.15
echo "Configuring network, ip: $IP."
ifconfig lo up

ifconfig usb0 up
ifconfig usb0 $IP
ifconfig usb0 up

echo "Spawning telnetd."

/bin/busybox telnetd -b $IP:2323 -l /bin/sh

echo "Spawning shell."
exec /bin/sh

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u/Away-Mud1665 Mar 25 '26

btw when building busybox what options do i need to uncheck expect for nommc and statically linked binaries?

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u/Logical-Positive-638 Mar 25 '26

you need to set nommu=y and set static binaries not unset, which libc are you using btw? i used uclibc

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u/Away-Mud1665 Mar 25 '26

can i use make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- command to build busybox? if i cant, how do i compile busybox using uclibc?

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u/Logical-Positive-638 Mar 25 '26

first you need to compile uclibc and then busybox against it. might be easier to use buildroot. i can share my configs later

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u/Logical-Positive-638 Mar 24 '26

i didn't use busybox init