From 140666b0971089ef34fb910313d0e42811dc0603 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Thu, 8 Feb 2018 20:28:28 +0100
Subject: added the qemu-img build script

---
 create_hdd.sh | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100755 create_hdd.sh

(limited to 'create_hdd.sh')

diff --git a/create_hdd.sh b/create_hdd.sh
new file mode 100755
index 0000000..d35f6bc
--- /dev/null
+++ b/create_hdd.sh
@@ -0,0 +1,103 @@
+#!/bin/sh
+
+. "./default.conf"
+
+# builds a hard disk image for a stage 1 system:
+# no ramdisk, no modules, no fancy startup, just a shell script
+
+cd $CROSS_HOME
+
+umount mnt
+sudo /sbin/losetup -d /dev/loop2
+rmdir mnt
+sudo rm -f arch486.img
+
+# prepare a plain image
+
+qemu-img create arch486.img 4g
+chmod 666 arch486.img
+sudo /sbin/losetup /dev/loop2 arch486.img
+sudo dd if=/dev/zero of=/dev/loop2 bs=512 count=32130
+echo ';' | sudo /sbin/sfdisk --no-reread /dev/loop2
+sudo sfdisk -A /dev/loop2 1
+sudo partx --show /dev/loop2
+sudo partx -v --add /dev/loop2
+sudo mkfs.ext4 -O ^64bit /dev/loop2p1
+mkdir mnt
+sudo mount /dev/loop2p1 mnt
+sudo cp -a i486-root/* mnt/.
+
+sudo chown -R cross:cross mnt/.
+cd mnt
+mkdir boot/syslinux
+echo 'default /boot/vmlinuz-linux root=/dev/hda1 init=/sbin/init console=ttyS0 console=tty0' \
+	> boot/syslinux/syslinux.cfg
+sudo dd bs=440 count=1 if=/usr/lib/syslinux/bios/mbr.bin of=/dev/loop2
+cp /usr/lib/syslinux/bios/*.c32 boot/syslinux/.
+sudo extlinux --install boot/syslinux/
+mkdir -p etc/init
+cat >etc/init/boot <<EOF
+#!/bin/sh
+mount -t proc proc /proc
+ln -s /proc/self/fd /dev/fd
+mkdir /dev/pts
+mount -t devpts devpts /dev/pts
+mount -t sysfs sys /sys
+mount -o remount,rw /
+ip link set up dev eth0
+ip addr add 192.168.1.127/24 dev eth0
+ip route add default via 192.168.1.1 dev eth0
+/usr/sbin/sshd
+exec /usr/bin/bash
+EOF
+cat > etc/resolv.conf <<EOF
+nameserver 192.168.1.1
+EOF
+cat >> etc/group <<EOF
+nobody:x:99:
+EOF
+cat >> etc/passwd <<EOF
+nobody:x:99:99:nobody:/:/usr/bin/nologin
+EOF
+cat >> etc/ssh/sshd_config <<EOF
+PermitRootLogin yes
+EOF
+ssh-keygen -b 2048 -t rsa -f etc/ssh/ssh_host_rsa_key -N ''
+ssh-keygen -b 1024 -t dsa -f etc/ssh/ssh_host_dsa_key -N ''
+ssh-keygen -b 521 -t ecdsa -f etc/ssh/ssh_host_ecdsa_key -N ''
+ssh-keygen -b 2048 -t ed25519 -f etc/ssh/ssh_host_ed25519_key -N ''
+chmod 0400 etc/ssh/ssh_host_*_key
+mkdir root/.ssh
+cp $HOME/.ssh/id_rsa.pub root/.ssh/authorized_keys
+chmod 0700 root/.ssh
+sudo chown -R root:root .
+sudo chmod 0775 etc/init/boot
+cd ..
+sudo umount mnt
+sudo partx -v --delete /dev/loop2
+sudo losetup -d /dev/loop2
+
+
+cat > mnt/test.c <<EOF
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main( int argc, char *argv[] )
+{
+    puts( "hello" );
+    exit( EXIT_SUCCESS );
+}
+EOF
+
+cat > mnt/test.cpp <<EOF
+#include <iostream>
+#include <cstdlib>
+
+int main( void )
+{
+    std::cout << "hello" << std::endl;
+    std::exit( EXIT_FAILURE );
+}
+EOF
+
-- 
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