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Guide Building from source for Edgerouter 4 ER 4 MIPS64 ( MIPS32 Binaries )

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Lennar Kivistik edited this page Dec 19, 2021 · 1 revision

Overview - Compiling & running latest version of pixelserv-tls under Debian MIPS64 - Big Endian

How to build from source for the Edgerouter 4 - ER-4 (Debian MIPS64 - Big Endian)

How to check if your system/router is big or little endian

  • lscpu | grep Endian ~ for more recent debians
  • echo -n I | od -to2 | head -n1 | cut -f2 -d" " | cut -c6 ~ for older systems, Big Endian will output zero and little endian will output 1

Install Debian 9.0 "Stretch" on QEMU MIPS32 in a Debian VM.

Step 1: Install QEMU

sudo apt install qemu-system-mips

Step 2: Download Linux kernel and installation image

* Download both files from http://ftp.debian.org/debian/dists/stretch/main/installer-mips/current/images/malta/netboot/
wget http://ftp.debian.org/debian/dists/stretch/main/installer-mips/current/images/malta/netboot/vmlinux-4.9.0-13-4kc-malta
wget http://ftp.debian.org/debian/dists/stretch/main/installer-mips/current/images/malta/netboot/initrd.gz

Step 3: Create a new hard disk

qemu-img create -f qcow2 hda.qcow 8G

Step 4: Install Debian Stretch

qemu-system-mips \
    -M      malta \
    -m      256 \
    -hda    hda.img \
    -kernel vmlinux-4.9.0-13-4kc-malta \
    -initrd initrd.gz \
    -append "console=ttyS0 nokaslr" \
    -nographic

Proceed with the installation to complete, once at the end click C-a x to exit the qemu-emulator, use C-a h to see all the possible commands for qemu emulator.

Step 5: Extract starting image from disk

During installation process, the installer has created a initrd.img that contains all the needed drivers for booting the system. We need to extract this file from the disk. Utility qemu-nbd helps to mount the QEMU disk image.

apt-get install libguestfs-tools
guestmount --add hda.img --mount /dev/sda1 /mnt
cp /mnt/boot/initrd.img-4.9.0-13-4kc-malta .
umount /mnt

Step 6: Boot from disk

qemu-system-mips \
    -M      malta \
    -m      256 \
    -hda    hda.img \
    -kernel vmlinux-4.9.0-13-4kc-malta \
    -initrd initrd.img-4.9.0-13-4kc-malta \
    -append "root=/dev/sda1 console=ttyS0 nokaslr" \
    -net nic,macaddr=52:54:00:fa:ce:07,model=virtio \
    -net user,hostfwd=tcp:127.0.0.1:2022-:22 \
    -nographic

Step 7: Install Build Dependencies

apt-get install git easy-rsa autoconf build-base openssl automake linux-headers openssl-dev -y

Step 8: Build

git clone https://github.com/kvic-z/pixelserv-tls.git
cd pixelserv-tls
autoreconf -i
./configure
make install

References

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