[PATCH 1/9] tests/docker: Add debian-nios2-cross image

[Richard Henderson]

Build the entire cross tool chain from source.
For this reason, default to caching.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tests/docker/Makefile.include                 | 19 ++++
 .../dockerfiles/debian-nios2-cross.docker     | 34 +++++++
 .../build-toolchain.sh                        | 97 +++++++++++++++++++
 3 files changed, 150 insertions(+)
 create mode 100644 tests/docker/dockerfiles/debian-nios2-cross.docker
 create mode 100755 
tests/docker/dockerfiles/debian-nios2-cross.docker.d/build-toolchain.sh

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index ff5d732889..2ccd93caa4 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -168,10 +168,28 @@ docker-image-debian-hexagon-cross: 
$(DOCKER_FILES_DIR)/debian-hexagon-cross.dock
                                qemu/debian-hexagon-cross --add-current-user,   
        \
                        "PREPARE", "debian-hexagon-cross"))
 
+docker-image-debian-nios2-cross: $(DOCKER_FILES_DIR)/debian-nios2-cross.docker
+       $(if $(NOCACHE),                                                        
        \
+               $(call quiet-command,                                           
        \
+                       $(DOCKER_SCRIPT) build -t qemu/debian-nios2-cross -f $< 
        \
+                       $(if $V,,--quiet) --no-cache                            
        \
+                       --registry $(DOCKER_REGISTRY) --extra-files             
        \
+                       
$(DOCKER_FILES_DIR)/debian-nios2-cross.docker.d/build-toolchain.sh, \
+                       "BUILD", "debian-nios2-cross"),                         
        \
+               $(call quiet-command,                                           
        \
+                       $(DOCKER_SCRIPT) fetch $(if $V,,--quiet)                
        \
+                               qemu/debian-nios2-cross $(DOCKER_REGISTRY),     
        \
+                       "FETCH", "debian-nios2-cross")                          
        \
+               $(call quiet-command,                                           
        \
+                       $(DOCKER_SCRIPT) update $(if $V,,--quiet)               
        \
+                               qemu/debian-nios2-cross --add-current-user,     
        \
+                       "PREPARE", "debian-nios2-cross"))
+
 # Specialist build images, sometimes very limited tools
 docker-image-debian-tricore-cross: docker-image-debian10
 docker-image-debian-all-test-cross: docker-image-debian10
 docker-image-debian-arm64-test-cross: docker-image-debian11
+docker-image-debian-nios2-cross: docker-image-debian10
 docker-image-debian-powerpc-test-cross: docker-image-debian11
 
 # These images may be good enough for building tests but not for test builds
@@ -180,6 +198,7 @@ DOCKER_PARTIAL_IMAGES += debian-arm64-test-cross
 DOCKER_PARTIAL_IMAGES += debian-powerpc-test-cross
 DOCKER_PARTIAL_IMAGES += debian-hppa-cross
 DOCKER_PARTIAL_IMAGES += debian-m68k-cross debian-mips64-cross
+DOCKER_PARTIAL_IMAGES += debian-nios2-cross
 DOCKER_PARTIAL_IMAGES += debian-riscv64-cross
 DOCKER_PARTIAL_IMAGES += debian-sh4-cross debian-sparc64-cross
 DOCKER_PARTIAL_IMAGES += debian-tricore-cross
diff --git a/tests/docker/dockerfiles/debian-nios2-cross.docker 
b/tests/docker/dockerfiles/debian-nios2-cross.docker
new file mode 100644
index 0000000000..208737fc5e
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-nios2-cross.docker
@@ -0,0 +1,34 @@
+#
+# Docker NIOS2 cross-compiler target
+#
+# This docker target is used for building tests. As it also needs to be
+# able to build QEMU itself in CI we include it's build-deps. It is also
+# a "stand-alone" image so as not to be triggered by re-builds on other
+# base images given it takes a long time to build.
+#
+FROM qemu/debian10
+
+# Install build utilities for building gcc and glibc.
+# ??? The build-dep isn't working, missing a number of
+# minimal build dependiencies, e.g. libmpc.
+
+RUN apt update && \
+    DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \
+    DEBIAN_FRONTEND=noninteractive eatmydata \
+    apt install -y --no-install-recommends \
+        bison \
+        flex \
+        gawk \
+        libmpc-dev \
+        libmpfr-dev \
+        rsync \
+        texinfo \
+        wget \
+        $(apt-get -s build-dep --arch-only gcc | egrep ^Inst | fgrep '[all]' | 
cut -d\  -f2) \
+        $(apt-get -s build-dep --arch-only glibc | egrep ^Inst | fgrep '[all]' 
| cut -d\  -f2)
+
+ADD build-toolchain.sh /root/build-toolchain.sh
+
+RUN cd /root && ./build-toolchain.sh
+
+ENV PATH $PATH:/usr/local/bin/
diff --git 
a/tests/docker/dockerfiles/debian-nios2-cross.docker.d/build-toolchain.sh 
b/tests/docker/dockerfiles/debian-nios2-cross.docker.d/build-toolchain.sh
new file mode 100755
index 0000000000..d8cb428dab
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-nios2-cross.docker.d/build-toolchain.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+
+set -e
+
+TARGET=nios2-linux-gnu
+LINUX_ARCH=nios2
+
+J=$(expr $(nproc) / 2)
+TOOLCHAIN_INSTALL=/usr/local
+TOOLCHAIN_BIN=${TOOLCHAIN_INSTALL}/bin
+CROSS_SYSROOT=${TOOLCHAIN_INSTALL}/$TARGET/sys-root
+
+export PATH=${TOOLCHAIN_BIN}:$PATH
+
+mkdir cross
+cd cross
+
+#
+# Grab all of the source for the toolchain bootstrap.
+#
+
+wget https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz
+wget https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz
+wget https://ftp.gnu.org/gnu/glibc/glibc-2.34.tar.xz
+wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.70.tar.xz
+
+tar axf binutils-2.37.tar.xz
+tar axf gcc-11.2.0.tar.xz
+tar axf glibc-2.34.tar.xz
+tar axf linux-5.10.70.tar.xz
+
+mv binutils-2.37 src-binu
+mv gcc-11.2.0 src-gcc
+mv glibc-2.34 src-glibc
+mv linux-5.10.70 src-linux
+
+mkdir -p bld-hdr bld-binu bld-gcc bld-glibc
+mkdir -p ${CROSS_SYSROOT}/usr/include
+
+#
+# Install kernel and glibc headers
+#
+
+cd src-linux
+make headers_install ARCH=${LINUX_ARCH} INSTALL_HDR_PATH=${CROSS_SYSROOT}/usr
+cd ..
+
+cd bld-hdr
+../src-glibc/configure --prefix=/usr --host=${TARGET}
+make install-headers DESTDIR=${CROSS_SYSROOT}
+touch ${CROSS_SYSROOT}/usr/include/gnu/stubs.h
+cd ..
+
+#
+# Build binutils
+#
+
+cd bld-binu
+../src-binu/configure --disable-werror \
+  --prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET}
+make -j${J}
+make install
+cd ..
+
+#
+# Build gcc, without shared libraries, because we do not yet
+# have a shared libc against which to link.
+#
+
+cd bld-gcc
+../src-gcc/configure --disable-werror --disable-shared \
+  --prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET} \
+  --enable-languages=c --disable-libssp --disable-libsanitizer \
+  --disable-libatomic --disable-libgomp --disable-libquadmath
+make -j${J}
+make install
+cd ..
+
+#
+# Build glibc
+# There are a few random things that use c++ but we didn't build that
+# cross-compiler.  We can get away without them.  Disable CXX so that
+# glibc doesn't try to use the host c++ compiler.
+#
+
+cd bld-glibc
+CXX=false ../src-glibc/configure --prefix=/usr --host=${TARGET}
+make -j${j}
+make install DESTDIR=${CROSS_SYSROOT}
+cd ..
+
+#
+# Clean up
+#
+
+cd ..
+rm -rf cross build-toolchain.sh
-- 
2.25.1