From 73f39a96c8786cf9491c06e8ba60edd63863dac1 Mon Sep 17 00:00:00 2001
From: wrzosik <mia@miangie.dev>
Date: Sun, 30 Nov 2025 15:21:08 +0100
Subject: experiment: Leave initramfs

Added experiment on booting past initramfs. It uses Makefile to build initramfs.
---
 experiments/03_20251130_leaving_initramfs/init | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 experiments/03_20251130_leaving_initramfs/init

(limited to 'experiments/03_20251130_leaving_initramfs/init')

diff --git a/experiments/03_20251130_leaving_initramfs/init b/experiments/03_20251130_leaving_initramfs/init
new file mode 100644
index 0000000..27fcc61
--- /dev/null
+++ b/experiments/03_20251130_leaving_initramfs/init
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+echo "creating new root..."
+busybox mkdir /new_root
+busybox mount -t tmpfs tmpfs /new_root
+
+busybox cp -r bin etc init lib lib64 sbin usr var /new_root
+
+busybox mkdir /new_root/dev
+busybox mkdir /new_root/proc
+busybox mkdir /new_root/sys
+
+echo "mounting special filesystems..."
+busybox mount -t devtmpfs 	udev  	/new_root/dev
+busybox mount -t proc     	proc  	/new_root/proc
+busybox mount -t sysfs    	sysfs 	/new_root/sys
+
+echo "the cake is a lie!" > /new_root/cake
+
+echo "it's time to try 'switch_root' command and enter new_root"
+echo "look for /cake to verify it worked"
+
+exec busybox switch_root /new_root /bin/busybox sh
-- 
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