Some progress

2026-06-19 14:24:09 -05:00
parent 4e491d8332
commit 1f67e817ae
55 changed files with 2033 additions and 12 deletions
@@ -0,0 +1,248 @@
+FROM ubuntu:22.04
+
+LABEL org.opencontainers.image.description="Dusk Engine — Sega Saturn build environment (sh2eb-elf cross-compiler + Yaul SDK)"
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV YAUL_INSTALL_ROOT=/opt/yaul
+
+# All variables required by Yaul's env.mk
+ENV YAUL_ARCH_SH_PREFIX=sh2eb-elf
+ENV YAUL_PROG_SH_PREFIX=sh2eb-elf
+ENV YAUL_ARCH_M68K_PREFIX=m68keb-elf
+ENV YAUL_BUILD_ROOT=/tmp/yaul-build
+ENV YAUL_BUILD=build
+ENV YAUL_OPTION_MALLOC_IMPL=tlsf
+
+ENV PATH="${YAUL_INSTALL_ROOT}/bin:${PATH}"
+
+# Toolchain source versions
+ARG BINUTILS_VER=2.40
+ARG GCC_VER=12.3.0
+ARG NEWLIB_VER=4.3.0.20230120
+
+# ---------------------------------------------------------------------------
+# 1. Host build tools
+# ---------------------------------------------------------------------------
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    git \
+    wget \
+    curl \
+    xz-utils \
+    python3 \
+    python3-pip \
+    python3-polib \
+    python3-pil \
+    python3-dotenv \
+    texinfo \
+    bison \
+    flex \
+    libgmp-dev \
+    libmpfr-dev \
+    libmpc-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN mkdir -p "${YAUL_INSTALL_ROOT}"
+
+# ---------------------------------------------------------------------------
+# 2. Download cross-compiler sources
+# ---------------------------------------------------------------------------
+RUN cd /tmp && \
+    wget -q "https://ftp.gnu.org/gnu/binutils/binutils-${BINUTILS_VER}.tar.xz" && \
+    wget -q "https://ftp.gnu.org/gnu/gcc/gcc-${GCC_VER}/gcc-${GCC_VER}.tar.xz" && \
+    wget -q "ftp://sourceware.org/pub/newlib/newlib-${NEWLIB_VER}.tar.gz" && \
+    tar xf "binutils-${BINUTILS_VER}.tar.xz" && \
+    tar xf "gcc-${GCC_VER}.tar.xz" && \
+    tar xf "newlib-${NEWLIB_VER}.tar.gz" && \
+    rm "binutils-${BINUTILS_VER}.tar.xz" "gcc-${GCC_VER}.tar.xz" "newlib-${NEWLIB_VER}.tar.gz"
+
+# Download GCC prerequisites (gmp, mpfr, mpc if not packaged)
+RUN cd /tmp/gcc-${GCC_VER} && contrib/download_prerequisites
+
+# ---------------------------------------------------------------------------
+# 3. sh2eb-elf binutils (SH-2 big-endian)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-sh-binutils && cd /tmp/build-sh-binutils && \
+    /tmp/binutils-${BINUTILS_VER}/configure \
+        --target=sh2eb-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --disable-nls \
+        --disable-multilib \
+        --disable-werror \
+    && make -j"$(nproc)" && make install && \
+    rm -rf /tmp/build-sh-binutils
+
+# ---------------------------------------------------------------------------
+# 4. sh2eb-elf GCC stage 1 (compiler only, no C library yet)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-sh-gcc1 && cd /tmp/build-sh-gcc1 && \
+    /tmp/gcc-${GCC_VER}/configure \
+        --target=sh2eb-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --enable-languages=c,c++ \
+        --without-headers \
+        --with-newlib \
+        --disable-nls \
+        --disable-shared \
+        --disable-multilib \
+        --disable-decimal-float \
+        --disable-threads \
+        --disable-libatomic \
+        --disable-libgomp \
+        --disable-libquadmath \
+        --disable-libssp \
+        --disable-libvtv \
+        --disable-libstdcxx \
+    && make -j"$(nproc)" all-gcc all-target-libgcc \
+    && make install-gcc install-target-libgcc && \
+    rm -rf /tmp/build-sh-gcc1
+
+# ---------------------------------------------------------------------------
+# 5. newlib for sh2eb-elf (C runtime for embedded SH-2)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-sh-newlib && cd /tmp/build-sh-newlib && \
+    /tmp/newlib-${NEWLIB_VER}/configure \
+        --target=sh2eb-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --disable-newlib-supplied-syscalls \
+        --enable-newlib-reent-small \
+    && make -j"$(nproc)" && make install && \
+    rm -rf /tmp/build-sh-newlib
+
+# ---------------------------------------------------------------------------
+# 6. sh2eb-elf GCC stage 2 (full build with newlib)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-sh-gcc2 && cd /tmp/build-sh-gcc2 && \
+    /tmp/gcc-${GCC_VER}/configure \
+        --target=sh2eb-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --enable-languages=c,c++ \
+        --with-newlib \
+        --disable-nls \
+        --disable-shared \
+        --disable-multilib \
+        --disable-libssp \
+        --disable-libgomp \
+        --disable-libquadmath \
+    && make -j"$(nproc)" && make install && \
+    rm -rf /tmp/build-sh-gcc2
+
+# ---------------------------------------------------------------------------
+# 7. m68k-elf binutils (Saturn 68EC000 sound CPU)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-m68k-binutils && cd /tmp/build-m68k-binutils && \
+    /tmp/binutils-${BINUTILS_VER}/configure \
+        --target=m68k-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --disable-nls \
+        --disable-multilib \
+        --disable-werror \
+    && make -j"$(nproc)" && make install && \
+    rm -rf /tmp/build-m68k-binutils
+
+# ---------------------------------------------------------------------------
+# 8. m68k-elf GCC (compiler only; Yaul provides its own sound startup)
+# ---------------------------------------------------------------------------
+RUN mkdir -p /tmp/build-m68k-gcc && cd /tmp/build-m68k-gcc && \
+    /tmp/gcc-${GCC_VER}/configure \
+        --target=m68k-elf \
+        --prefix="${YAUL_INSTALL_ROOT}" \
+        --enable-languages=c \
+        --without-headers \
+        --with-newlib \
+        --disable-nls \
+        --disable-shared \
+        --disable-multilib \
+        --disable-libssp \
+    && make -j"$(nproc)" all-gcc && make install-gcc && \
+    rm -rf /tmp/build-m68k-gcc
+
+# Clean up source tarballs/trees
+RUN rm -rf /tmp/binutils-${BINUTILS_VER} /tmp/gcc-${GCC_VER} /tmp/newlib-${NEWLIB_VER}
+
+# ---------------------------------------------------------------------------
+# 9. Create m68keb-elf symlinks
+#    Yaul expects YAUL_ARCH_M68K_PREFIX=m68keb-elf but we built m68k-elf.
+#    m68k is always big-endian, so m68k-elf == m68keb-elf semantically.
+# ---------------------------------------------------------------------------
+RUN for tool in "${YAUL_INSTALL_ROOT}/bin/m68k-elf-"*; do \
+        base="$(basename "$tool")"; \
+        newname="${YAUL_INSTALL_ROOT}/bin/m68keb-elf-${base#m68k-elf-}"; \
+        ln -sf "$tool" "$newname"; \
+    done
+
+# ---------------------------------------------------------------------------
+# 10. Clone and install libyaul
+# ---------------------------------------------------------------------------
+RUN git clone --depth 1 --recurse-submodules \
+        https://github.com/yaul-org/libyaul.git /tmp/yaul && \
+    cd /tmp/yaul && \
+    YAUL_INSTALL_ROOT="${YAUL_INSTALL_ROOT}" \
+    YAUL_ARCH_SH_PREFIX=sh2eb-elf \
+    YAUL_PROG_SH_PREFIX=sh2eb-elf \
+    YAUL_ARCH_M68K_PREFIX=m68keb-elf \
+    YAUL_BUILD_ROOT=/tmp/yaul-build \
+    YAUL_BUILD=build \
+    YAUL_OPTION_MALLOC_IMPL=tlsf \
+    make install && \
+    rm -rf /tmp/yaul /tmp/yaul-build
+
+# ---------------------------------------------------------------------------
+# 11. Cross-compile zlib for sh2eb-elf
+#     Install into ${YAUL_INSTALL_ROOT}/sh2eb-elf/ to match the Yaul sysroot
+#     layout: headers at .../sh2eb-elf/include, libs at .../sh2eb-elf/lib.
+# ---------------------------------------------------------------------------
+RUN wget -q https://zlib.net/zlib-1.3.1.tar.gz -O /tmp/zlib.tar.gz && \
+    tar xf /tmp/zlib.tar.gz -C /tmp && \
+    cd /tmp/zlib-1.3.1 && \
+    CC="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-gcc" \
+    AR="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ar" \
+    RANLIB="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ranlib" \
+    CFLAGS="-m2 -mb -fno-builtin -O2" \
+    ./configure \
+        --prefix="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
+        --static \
+    && make -j"$(nproc)" && make install && \
+    rm -rf /tmp/zlib-1.3.1 /tmp/zlib.tar.gz
+
+# ---------------------------------------------------------------------------
+# 12. Cross-compile libzip for sh2eb-elf
+# ---------------------------------------------------------------------------
+RUN printf '%s\n' \
+    'set(CMAKE_SYSTEM_NAME Generic)' \
+    'set(CMAKE_SYSTEM_PROCESSOR sh2)' \
+    "set(CMAKE_C_COMPILER  \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-gcc\")" \
+    "set(CMAKE_AR          \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ar\")" \
+    "set(CMAKE_RANLIB      \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ranlib\")" \
+    'set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)' \
+    'set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)' \
+    'set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)' \
+    'set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)' \
+    > /tmp/sat-xc.cmake
+
+RUN wget -q https://libzip.org/download/libzip-1.10.1.tar.gz -O /tmp/libzip.tar.gz && \
+    tar xf /tmp/libzip.tar.gz -C /tmp && \
+    cmake -S /tmp/libzip-1.10.1 -B /tmp/libzip-build \
+        -DCMAKE_TOOLCHAIN_FILE=/tmp/sat-xc.cmake \
+        -DCMAKE_INSTALL_PREFIX="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
+        -DCMAKE_FIND_ROOT_PATH="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
+        -DCMAKE_C_FLAGS="-m2 -mb -fno-builtin -O2" \
+        -DZLIB_LIBRARY="${YAUL_INSTALL_ROOT}/sh2eb-elf/lib/libz.a" \
+        -DZLIB_INCLUDE_DIR="${YAUL_INSTALL_ROOT}/sh2eb-elf/include" \
+        -DENABLE_BZIP2=OFF \
+        -DENABLE_LZMA=OFF \
+        -DENABLE_ZSTD=OFF \
+        -DENABLE_OPENSSL=OFF \
+        -DENABLE_GNUTLS=OFF \
+        -DBUILD_SHARED_LIBS=OFF \
+        -DBUILD_EXAMPLES=OFF \
+        -DBUILD_DOCUMENTATION=OFF \
+        -DBUILD_REGRESS=OFF \
+        -DBUILD_TOOLS=OFF \
+    && cmake --build /tmp/libzip-build -- -j"$(nproc)" \
+    && cmake --install /tmp/libzip-build \
+    && rm -rf /tmp/libzip-1.10.1 /tmp/libzip.tar.gz /tmp/libzip-build /tmp/sat-xc.cmake
+
+WORKDIR /workdir
+VOLUME ["/workdir"]