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krata: rework cross-compilation

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This commit is contained in:
Alex Zenla
2024-03-21 21:31:10 +00:00
parent 332a1bba26
commit 0191e5b2c1
27 changed files with 321 additions and 131 deletions
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33
hack/os/build.sh
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@ -7,20 +7,31 @@ cd "$(dirname "${REAL_SCRIPT}")/../.."
./hack/dist/apk.sh
KRATA_VERSION="$(./hack/dist/version.sh)"
TARGET_ARCH="$(./hack/build/arch.sh)"
TARGET_ARCH_ALT="$(KRATA_ARCH_KERNEL_NAME=1 ./hack/build/arch.sh)"
CROSS_COMPILE="$(./hack/build/cross-compile.sh)"
TARGET_DIR="${PWD}/target"
TARGET_OS_DIR="${TARGET_DIR}/os"
mkdir -p "${TARGET_OS_DIR}"
cp "${TARGET_DIR}/dist/krata_${KRATA_VERSION}_${TARGET_ARCH}.apk" "${TARGET_OS_DIR}/krata.apk"
cp "${TARGET_DIR}/dist/krata_${KRATA_VERSION}_${TARGET_ARCH}.apk" "${TARGET_OS_DIR}/krata-${TARGET_ARCH}.apk"
DOCKER_INTERACTIVE_FLAGS=""
DOCKER_FLAGS=""
if [ -t 0 ]
then
DOCKER_INTERACTIVE_FLAGS="-it"
DOCKER_FLAGS="-it"
fi
docker run --rm --privileged -v "${PWD}:/mnt" ${DOCKER_INTERACTIVE_FLAGS} alpine:latest "/mnt/os/internal/stage1.sh"
sudo chown "${USER}:${GROUP}" "${TARGET_OS_DIR}/rootfs.tar"
if [ "${CROSS_COMPILE}" = "1" ]
then
DOCKER_FLAGS="${DOCKER_FLAGS} --platform linux/${TARGET_ARCH_ALT}"
docker run --privileged --rm tonistiigi/binfmt --install all
fi
ROOTFS="${TARGET_OS_DIR}/rootfs-${TARGET_ARCH}.tar"
# shellcheck disable=SC2086
docker run --rm --privileged -v "${PWD}:/mnt" ${DOCKER_FLAGS} alpine:latest "/mnt/os/internal/stage1.sh" "${TARGET_ARCH}"
sudo chown "${USER}:${GROUP}" "${ROOTFS}"
sudo modprobe nbd
next_nbd_device() {
@ -42,10 +53,10 @@ then
exit 1
fi
OS_IMAGE="${TARGET_OS_DIR}/krata.qcow2"
OS_IMAGE="${TARGET_OS_DIR}/krata-${TARGET_ARCH}.qcow2"
EFI_PART="${NBD_DEVICE}p1"
ROOT_PART="${NBD_DEVICE}p2"
ROOT_DIR="${TARGET_OS_DIR}/root"
ROOT_DIR="${TARGET_OS_DIR}/root-${TARGET_ARCH}"
EFI_DIR="${ROOT_DIR}/boot/efi"
cleanup() {
@ -58,7 +69,7 @@ cleanup() {
}
rm -f "${OS_IMAGE}"
qemu-img create -f qcow2 "${TARGET_OS_DIR}/krata.qcow2" "2G"
qemu-img create -f qcow2 "${OS_IMAGE}" "2G"
trap cleanup EXIT HUP INT TERM
sudo qemu-nbd --connect="${NBD_DEVICE}" --cache=writeback -f qcow2 "${OS_IMAGE}"
@ -75,7 +86,7 @@ sudo mount -t ext4 "${ROOT_PART}" "${ROOT_DIR}"
sudo mkdir -p "${EFI_DIR}"
sudo mount -t vfat "${EFI_PART}" "${EFI_DIR}"
sudo tar xf "${TARGET_OS_DIR}/rootfs.tar" -C "${ROOT_DIR}"
sudo tar xf "${ROOTFS}" -C "${ROOT_DIR}"
ROOT_UUID="$(sudo blkid "${ROOT_PART}" | sed -En 's/.*\bUUID="([^"]+)".*/\1/p')"
EFI_UUID="$(sudo blkid "${EFI_PART}" | sed -En 's/.*\bUUID="([^"]+)".*/\1/p')"
echo "${ROOT_UUID}"
@ -89,7 +100,7 @@ sudo mount --make-private "${ROOT_DIR}/sys"
sudo cp "${PWD}/os/internal/stage2.sh" "${ROOT_DIR}/stage2.sh"
echo "${ROOT_UUID}" | sudo tee "${ROOT_DIR}/root-uuid" > /dev/null
sudo chroot "${ROOT_DIR}" /bin/sh -c "/stage2.sh"
sudo chroot "${ROOT_DIR}" /bin/sh -c "/stage2.sh ${TARGET_ARCH} ${TARGET_ARCH_ALT}"
sudo rm -f "${ROOT_DIR}/stage2.sh"
sudo rm -f "${ROOT_DIR}/root-uuid"
@ -101,6 +112,6 @@ sudo rm -f "${ROOT_DIR}/root-uuid"
cleanup
OS_SMALL_IMAGE="${TARGET_OS_DIR}/krata.small.qcow2"
OS_SMALL_IMAGE="${TARGET_OS_DIR}/krata-${TARGET_ARCH}.small.qcow2"
qemu-img convert -O qcow2 "${OS_IMAGE}" "${OS_SMALL_IMAGE}"
mv -f "${OS_SMALL_IMAGE}" "${OS_IMAGE}"