working image

Author: drorgl

Dockerfile

@@ -0,0 +1,41 @@
+FROM ubuntu:20.04
+
+RUN apt-get update
+RUN apt install -y software-properties-common
+RUN add-apt-repository ppa:apt-fast/stable
+RUN apt-get update
+RUN apt-get -y install apt-fast
+
+WORKDIR /root
+
+# Install dependencies.
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive\
+    apt-get install -y build-essential libncurses5-dev rsync cpio python unzip bc wget axel aria2
+
+# Install Buildroot.
+RUN axel -n 10 https://buildroot.org/downloads/buildroot-2022.05.tar.gz &&\
+    tar xf buildroot-*.tar* &&\
+    rm buildroot-*.tar* &&\
+    ln -s buildroot-* buildroot &&\
+    mkdir -v buildroot/patches
+
+# Create rootfs overlay.
+RUN mkdir -vpm775 buildroot/rootfs_overlay
+COPY ./overlay buildroot/rootfs_overlay
+
+WORKDIR /root/buildroot
+
+# Patch wget so it will work with axel and aria2c
+COPY wget-o.patch ./
+RUN patch -p1 < wget-o.patch
+
+ENV ARCH=riscv
+
+RUN make qemu_riscv32_virt_defconfig
+RUN sed -i -e '/BR2_WGET=/ s/=.*/="axel -n 10  "/' .config
+
+COPY buildroot_config/linux_rv32_config ./linux_rv32_config
+COPY buildroot_config/buildroot_rv32_config ./
+COPY buildroot_config/busybox_config ./
+
+RUN make defconfig BR2_DEFCONFIG=buildroot_rv32_config