Auto merge of #43226 - alexcrichton:aarch64-ci, r=aidanhs

Add a disabled builder for aarch64 emulated tests

This commit adds a disabled builder which will run all tests for the standard
library for aarch64 in a QEMU instance. Once we get enough capacity to run this
on Travis this can be used to boost our platform coverage of AArch64
This commit is contained in:
bors 2017-07-26 03:53:46 +00:00
commit bad58f2791
11 changed files with 3240 additions and 16 deletions

1
configure vendored
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@ -490,6 +490,7 @@ valopt musl-root-armhf "" "arm-unknown-linux-musleabihf install directory"
valopt musl-root-armv7 "" "armv7-unknown-linux-musleabihf install directory"
valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
valopt qemu-armhf-rootfs "" "rootfs in qemu testing, you probably don't want to use this"
valopt qemu-aarch64-rootfs "" "rootfs in qemu testing, you probably don't want to use this"
valopt experimental-targets "" "experimental LLVM targets to build"
if [ -e ${CFG_SRC_DIR}.git ]

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@ -636,6 +636,11 @@ impl Config {
let target = self.target_config.entry(target).or_insert(Target::default());
target.qemu_rootfs = Some(parse_configure_path(value));
}
"CFG_QEMU_AARCH64_ROOTFS" if value.len() > 0 => {
let target = INTERNER.intern_str("aarch64-unknown-linux-gnu");
let target = self.target_config.entry(target).or_insert(Target::default());
target.qemu_rootfs = Some(parse_configure_path(value));
}
_ => {}
}
}

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@ -63,11 +63,11 @@ RUN curl http://cdimage.ubuntu.com/ubuntu-base/releases/16.04/release/ubuntu-bas
# Copy over our init script, which starts up our test server and also a few
# other misc tasks.
COPY armhf-gnu/rcS rootfs/etc/init.d/rcS
COPY scripts/qemu-bare-bones-rcS rootfs/etc/init.d/rcS
RUN chmod +x rootfs/etc/init.d/rcS
# Helper to quickly fill the entropy pool in the kernel.
COPY armhf-gnu/addentropy.c /tmp/
COPY scripts/qemu-bare-bones-addentropy.c /tmp/addentropy.c
RUN arm-linux-gnueabihf-gcc addentropy.c -o rootfs/addentropy -static
# TODO: What is this?!

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@ -0,0 +1,85 @@
FROM ubuntu:16.04
RUN apt-get update -y && apt-get install -y --no-install-recommends \
bc \
bzip2 \
ca-certificates \
cmake \
cpio \
curl \
file \
g++ \
gcc-aarch64-linux-gnu \
git \
libc6-dev \
libc6-dev-arm64-cross \
make \
python2.7 \
qemu-system-aarch64 \
xz-utils
ENV ARCH=arm64 \
CROSS_COMPILE=aarch64-linux-gnu-
WORKDIR /build
# Compile the kernel that we're going to run and be emulating with. This is
# basically just done to be compatible with the QEMU target that we're going
# to be using when running tests. If any other kernel works or if any
# other QEMU target works with some other stock kernel, we can use that too!
#
# The `config` config file was a previously generated config file for
# the kernel. This file was generated by running `make defconfig`
# followed by `make menuconfig` and then enabling the IPv6 protocol page.
COPY disabled/aarch64-gnu/config /build/.config
RUN curl https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.4.42.tar.xz | \
tar xJf - && \
cd /build/linux-4.4.42 && \
cp /build/.config . && \
make -j$(nproc) all && \
cp arch/arm64/boot/Image /tmp && \
cd /build && \
rm -rf linux-4.4.42
# Compile an instance of busybox as this provides a lightweight system and init
# binary which we will boot into. Only trick here is configuring busybox to
# build static binaries.
RUN curl https://www.busybox.net/downloads/busybox-1.21.1.tar.bz2 | tar xjf - && \
cd busybox-1.21.1 && \
make defconfig && \
sed -i 's/.*CONFIG_STATIC.*/CONFIG_STATIC=y/' .config && \
make -j$(nproc) && \
make install && \
mv _install /tmp/rootfs && \
cd /build && \
rm -rf busybox-1.12.1
# Download the ubuntu rootfs, which we'll use as a chroot for all our tests.
WORKDIR /tmp
RUN mkdir rootfs/ubuntu
RUN curl http://cdimage.ubuntu.com/ubuntu-base/releases/16.04/release/ubuntu-base-16.04-core-arm64.tar.gz | \
tar xzf - -C rootfs/ubuntu && \
cd rootfs && mkdir proc sys dev etc etc/init.d
# Copy over our init script, which starts up our test server and also a few
# other misc tasks.
COPY scripts/qemu-bare-bones-rcS rootfs/etc/init.d/rcS
RUN chmod +x rootfs/etc/init.d/rcS
# Helper to quickly fill the entropy pool in the kernel.
COPY scripts/qemu-bare-bones-addentropy.c /tmp/addentropy.c
RUN aarch64-linux-gnu-gcc addentropy.c -o rootfs/addentropy -static
COPY scripts/dumb-init.sh /scripts/
RUN sh /scripts/dumb-init.sh
COPY scripts/sccache.sh /scripts/
RUN sh /scripts/sccache.sh
ENTRYPOINT ["/usr/bin/dumb-init", "--"]
ENV RUST_CONFIGURE_ARGS \
--target=aarch64-unknown-linux-gnu \
--qemu-aarch64-rootfs=/tmp/rootfs
ENV SCRIPT python2.7 ../x.py test --target aarch64-unknown-linux-gnu
ENV NO_CHANGE_USER=1

File diff suppressed because it is too large Load Diff

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@ -469,6 +469,7 @@ mod tests {
// although the reason isn't very clear as to why. For now this test is
// ignored there.
#[cfg_attr(target_arch = "arm", ignore)]
#[cfg_attr(target_arch = "aarch64", ignore)]
fn test_process_mask() {
unsafe {
// Test to make sure that a signal mask does not get inherited.

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@ -533,9 +533,17 @@ mod tests {
assert!(b > a);
assert_eq!(b - a, Duration::new(1, 0));
// let's assume that we're all running computers later than 2000
let thirty_years = Duration::new(1, 0) * 60 * 60 * 24 * 365 * 30;
assert!(a > thirty_years);
// Right now for CI this test is run in an emulator, and apparently the
// aarch64 emulator's sense of time is that we're still living in the
// 70s.
//
// Otherwise let's assume that we're all running computers later than
// 2000.
if !cfg!(target_arch = "aarch64") {
assert!(a > thirty_years);
}
// let's assume that we're all running computers earlier than 2090.
// Should give us ~70 years to fix this!

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@ -11,6 +11,7 @@
// ignore-arm
// ignore-aarch64
// ignore-powerpc
// ignore-aarch64
// ignore-wasm
// ignore-emscripten
// ignore-windows

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@ -66,7 +66,7 @@ fn spawn_emulator(target: &str,
start_android_emulator(server);
} else {
let rootfs = rootfs.as_ref().expect("need rootfs on non-android");
start_qemu_emulator(rootfs, server, tmpdir);
start_qemu_emulator(target, rootfs, server, tmpdir);
}
// Wait for the emulator to come online
@ -120,7 +120,10 @@ fn start_android_emulator(server: &Path) {
.unwrap();
}
fn start_qemu_emulator(rootfs: &Path, server: &Path, tmpdir: &Path) {
fn start_qemu_emulator(target: &str,
rootfs: &Path,
server: &Path,
tmpdir: &Path) {
// Generate a new rootfs image now that we've updated the test server
// executable. This is the equivalent of:
//
@ -143,16 +146,36 @@ fn start_qemu_emulator(rootfs: &Path, server: &Path, tmpdir: &Path) {
assert!(t!(child.wait()).success());
// Start up the emulator, in the background
let mut cmd = Command::new("qemu-system-arm");
cmd.arg("-M").arg("vexpress-a15")
.arg("-m").arg("1024")
.arg("-kernel").arg("/tmp/zImage")
.arg("-initrd").arg(&rootfs_img)
.arg("-dtb").arg("/tmp/vexpress-v2p-ca15-tc1.dtb")
.arg("-append").arg("console=ttyAMA0 root=/dev/ram rdinit=/sbin/init init=/sbin/init")
.arg("-nographic")
.arg("-redir").arg("tcp:12345::12345");
t!(cmd.spawn());
match target {
"arm-unknown-linux-gnueabihf" => {
let mut cmd = Command::new("qemu-system-arm");
cmd.arg("-M").arg("vexpress-a15")
.arg("-m").arg("1024")
.arg("-kernel").arg("/tmp/zImage")
.arg("-initrd").arg(&rootfs_img)
.arg("-dtb").arg("/tmp/vexpress-v2p-ca15-tc1.dtb")
.arg("-append")
.arg("console=ttyAMA0 root=/dev/ram rdinit=/sbin/init init=/sbin/init")
.arg("-nographic")
.arg("-redir").arg("tcp:12345::12345");
t!(cmd.spawn());
}
"aarch64-unknown-linux-gnu" => {
let mut cmd = Command::new("qemu-system-aarch64");
cmd.arg("-machine").arg("virt")
.arg("-cpu").arg("cortex-a57")
.arg("-m").arg("1024")
.arg("-kernel").arg("/tmp/Image")
.arg("-initrd").arg(&rootfs_img)
.arg("-append")
.arg("console=ttyAMA0 root=/dev/ram rdinit=/sbin/init init=/sbin/init")
.arg("-nographic")
.arg("-netdev").arg("user,id=net0,hostfwd=tcp::12345-:12345")
.arg("-device").arg("virtio-net-device,netdev=net0,mac=00:00:00:00:00:00");
t!(cmd.spawn());
}
_ => panic!("cannot start emulator for: {}"< target),
}
fn add_files(w: &mut Write, root: &Path, cur: &Path) {
for entry in t!(cur.read_dir()) {