1 files changed, 64 insertions, 0 deletions
diff --git a/create_stage1_cdrom.sh b/create_stage1_cdrom.sh
new file mode 100755
index 0000000..d2330bb
--- /dev/null
+++ b/create_stage1_cdrom.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+# shellcheck source=./default.conf
+. "./default.conf"
+
+# builds a small ISO image for installing a stage 1 system:
+# no ramdisk, no modules, no fancy startup, just a shell script
+
+sudo rm -rf $STAGE1_ISOLINUX
+
+# copy chroot to ISOlinux dir
+mkdir $STAGE1_ISOLINUX
+sudo cp -a $STAGE1_CHROOT/* $STAGE1_ISOLINUX/.
+sudo chown -R cross:cross $STAGE1_ISOLINUX/.
+cd $STAGE1_ISOLINUX || exit 1
+
+# simple ISOlinux menu, with options for fast choosing a root device
+mkdir boot/isolinux
+cat >boot/isolinux/isolinux.cfg <<EOF
+UI menu.c32
+TIMEOUT 300
+PROMPT 1
+LABEL hda
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/hda init=/sbin/init console=ttyS0 console=tty0'
+LABEL hdb
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/hdb init=/sbin/init console=ttyS0 console=tty0'
+LABEL hdc
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/hdc init=/sbin/init console=ttyS0 console=tty0'
+LABEL hdd
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/hdd init=/sbin/init console=ttyS0 console=tty0'
+LABEL sr0
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/sr0 init=/sbin/init console=ttyS0 console=tty0'
+LABEL sr1
+	KERNEL /boot/vmlinuz-linux
+	APPEND root=/dev/sr1 init=/sbin/init console=ttyS0 console=tty0'
+EOF
+sudo chown cross:cross boot/isolinux/isolinux.cfg
+
+mkdir -p etc/init
+
+cat >etc/init/boot <<EOF
+#!/bin/sh
+mount -t proc proc /proc
+ln -s /proc/self/fd /dev/fd
+mount -t sysfs sys /sys
+mount -t tmpfs nodev,nosuid,size=4M /tmp
+exec /usr/bin/bash
+EOF
+sudo chown -R root:root .
+sudo chmod 0775 etc/init/boot
+sudo cp /usr/lib/syslinux/bios/ldlinux.c32 boot/isolinux/.
+sudo cp /usr/lib/syslinux/bios/menu.c32 boot/isolinux/.
+sudo cp /usr/lib/syslinux/bios/libutil.c32 boot/isolinux/.
+sudo cp /usr/lib/syslinux/bios/isolinux.bin boot/isolinux/.
+sudo genisoimage -J -r -o ../arch486.iso -b boot/isolinux/isolinux.bin \
+	-c boot/isolinux/boot.cat -input-charset UTF-8 -no-emul-boot \
+	-boot-load-size 4 -boot-info-table -joliet-long .
+cd .. || exit 1
+