Dockerfile

# Copyright Cartesi and individual authors (see AUTHORS)
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

ARG TOOLCHAIN_REPOSITORY=cartesi/toolchain
ARG TOOLCHAIN_VERSION=latest
FROM ${TOOLCHAIN_REPOSITORY}:${TOOLCHAIN_VERSION}

ENV DEBIAN_FRONTEND=noninteractive

ENV OLDPATH=$PATH

ENV BUILD_BASE=$BASE/rootfs

ARG RISCV_ARCH=rv64gc
ARG RISCV_ABI=lp64d
ENV RISCV_ARCH $RISCV_ARCH
ENV RISCV_ABI $RISCV_ABI
ARG ROOTFS_FILENAME=rootfs.ext2

ENV RISCV "$BASE/riscv64-cartesi-linux-gnu"
ENV PATH "$RISCV/bin:${OLDPATH}"

RUN \
    mkdir -p $BUILD_BASE/artifacts

RUN \
    chown -R developer:developer $BUILD_BASE && \
    chmod o+w $BUILD_BASE

USER developer

RUN \
    cd $BUILD_BASE && \
    git clone --branch 2022.02.3 --depth 1 \
        https://github.com/buildroot/buildroot.git

COPY --chown=developer:developer external/tools/skel $BUILD_BASE/buildroot/skel
COPY --chown=developer:developer cartesi-buildroot-config $BUILD_BASE/buildroot
COPY --chown=developer:developer cartesi-busybox-fragment $BUILD_BASE/buildroot
COPY --chown=developer:developer patches $BUILD_BASE/buildroot/patches
COPY --chown=developer:developer external $BUILD_BASE/buildroot/external
COPY --chown=developer:developer local.mk $BUILD_BASE/buildroot/local.mk

# Never use -jN with buildroot
RUN \
    mkdir -p $BUILD_BASE/buildroot/work && \
    cd $BUILD_BASE/buildroot && \
    git pull && \
    git apply patches/* && \
    cp cartesi-buildroot-config work/.config && \
    cp local.mk work/local.mk && \
    make BR2_EXTERNAL=$BUILD_BASE/buildroot/external O=work olddefconfig && \
    make -C work && \
    cp work/images/rootfs.ext2 $BUILD_BASE/artifacts/$ROOTFS_FILENAME && \
    truncate -s %4096 $BUILD_BASE/artifacts/$ROOTFS_FILENAME

USER root

WORKDIR $BASE

CMD ["/bin/bash", "-l"]