info for initramfs added

Author: programmersd21

README.md

@@ -274,6 +274,12 @@ sudo modprobe bfq
 sudo modprobe zram
 ```
 
+### Generate initramfs
+
+Before booting the kernel, generate the initramfs:
+
+./scripts/generate-initramfs.sh
+
 ### Installing a DKMS Module (example: v4l2loopback)
 
 ```bash

scripts/generate-initramfs.sh

@@ -0,0 +1,88 @@
+#!/bin/bash
+
+set -e
+
+echo "=== Hyperion BusyBox RootFS Builder ==="
+
+WORKDIR=~/hyperion-rootfs
+OUTFILE=~/rootfs.cpio.gz
+
+echo "[0/7] Installing required dependencies..."
+
+sudo apt update
+sudo apt install -y \
+busybox-static \
+cpio \
+gzip
+
+echo "[1/7] Cleaning previous build..."
+
+rm -rf $WORKDIR
+mkdir -p $WORKDIR
+cd $WORKDIR
+
+echo "[2/7] Creating filesystem structure..."
+
+mkdir -p \
+bin \
+sbin \
+proc \
+sys \
+dev \
+etc \
+tmp \
+usr/bin \
+usr/sbin \
+mnt \
+root
+
+echo "[3/7] Installing BusyBox..."
+
+cp /bin/busybox bin/
+
+echo "[4/7] Enabling ALL BusyBox commands..."
+
+cd bin
+./busybox --install -s .
+cd ..
+
+echo "[5/7] Creating init script..."
+
+cat << 'EOF' > init
+#!/bin/sh
+
+echo
+echo "Hyperion Initramfs Booting..."
+echo
+
+mount -t proc none /proc
+mount -t sysfs none /sys
+mount -t devtmpfs none /dev
+
+echo
+echo "Welcome to Hyperion Kernel!"
+echo
+
+exec /bin/sh
+EOF
+
+chmod +x init
+
+echo "[6/7] Creating device nodes..."
+
+sudo mknod -m 622 dev/console c 5 1 || true
+sudo mknod -m 666 dev/null c 1 3 || true
+
+echo "[7/7] Packing initramfs..."
+
+find . | cpio -o -H newc 2>/dev/null | gzip > $OUTFILE
+
+echo
+echo "=== Done! ==="
+echo
+echo "RootFS created:"
+echo "$OUTFILE"
+echo
+echo "Copy to Windows artifacts folder:"
+echo
+echo "cp $OUTFILE /mnt/c/Users/(USERNAME)/path/to/wherever/you/like/it"