Add build rules for crosvm.img prebuilt
Check in download script from Cuttlefish GitHub and add a build rule
which uses it to download Cuttlefish host tools (includes CrosVM) and
packages it into a ext4 image in prebuilts/.
Change-Id: Ia3b9bc59ea081a2b03af262204ae577096dc236e
diff --git a/Makefile b/Makefile
index ca0dd53..a243d98 100644
--- a/Makefile
+++ b/Makefile
@@ -238,17 +238,31 @@
.PHONY:update-prebuilts
update-prebuilts: \
- prebuilts/linux-aarch64/images \
+ prebuilts/linux-aarch64/images/crosvm.ext4 \
+ prebuilts/linux-aarch64/images/efi-virtio.rom \
+ prebuilts/linux-aarch64/images/rootfs.ext4 \
prebuilts/linux-x86/qemu
-# The rootfs and rom images for qemu
-.PHONY:prebuilts/linux-aarch64/images
-prebuilts/linux-aarch64/images: buildroot
- - rm -rf $@
- mkdir -p $@
+prebuilts/linux-aarch64/images/rootfs.ext4: buildroot
+ mkdir -p $(shell dirname $@)
cp $(BR_OUT)/images/rootfs.ext4 $@
+
+prebuilts/linux-aarch64/images/efi-virtio.rom: buildroot
+ mkdir -p $(shell dirname $@)
cp $(BR_OUT)/per-package/host-qemu/host/share/qemu/efi-virtio.rom $@
+CF_DOWNLOAD_AOSP_SH := $(ROOT_DIR)/build/cuttlefish/download-aosp.sh
+CROSVM_IMG_SIZE_MB := 1024
+
+prebuilts/linux-aarch64/images/crosvm.ext4: TMP_DIR := $(shell mktemp -d)
+prebuilts/linux-aarch64/images/crosvm.ext4: $(CF_DOWNLOAD_AOSP_SH)
+ mkdir -p $(shell dirname $@)
+ cd $(TMP_DIR) && $(CF_DOWNLOAD_AOSP_SH) -a arm64 -C
+ dd if=/dev/zero of=$@.tmp bs=1M count=$(CROSVM_IMG_SIZE_MB)
+ mkfs.ext4 -d $(TMP_DIR) $@.tmp
+ rm -rf $(TMP_DIR)
+ mv $@.tmp $@
+
# The qemu binary
.PHONY:prebuilts/linux-x86/qemu
prebuilts/linux-x86/qemu:
diff --git a/cuttlefish/download-aosp.sh b/cuttlefish/download-aosp.sh
new file mode 100755
index 0000000..9bbf271
--- /dev/null
+++ b/cuttlefish/download-aosp.sh
@@ -0,0 +1,111 @@
+#!/bin/bash
+##
+## Copied from:
+## https://github.com/google/android-cuttlefish/blob/main/download-aosp.sh
+##
+
+set -o errexit
+
+function print_help {
+ echo " $0 <options>"
+ echo " Options:"
+ echo " -a | --arch : architecture to download for: x86, x86_64, arm64"
+ echo " -A | --android : download the Android OS images (by default disabled)"
+ echo " -C | --cuttlefish : download the Cuttlefish host images (by default disabled)"
+ echo " -h | --help : print this help message"
+}
+
+function parse_opts() {
+ local help=0
+ local params
+
+ if params=$(getopt -o 'a:ACh' -l 'arch:,android,cuttlefish,help' --name "$0" -- "$@"); then
+ eval set -- "${params}"
+ while true; do
+ case "$1" in
+ -a|--arch)
+ ARCH=$2
+ case "${ARCH}" in
+ x86)
+ THROTTLED=
+ ;;
+ x86_64)
+ THROTTLED='-throttled'
+ ;;
+ arm64|aarch64)
+ ARCH='arm64'
+ THROTTLED='-throttled'
+ ;;
+ *)
+ echo "Uknown architecture ${ARCH}" 1>&2
+ help=1
+ ;;
+ esac
+ shift 2
+ ;;
+ -A|--android)
+ DOWNLOAD_ANDROID=1
+ shift
+ ;;
+ -C|--cuttlefish)
+ DOWNLOAD_CF=1
+ shift
+ ;;
+ -h|--help)
+ help=1
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ esac
+ done
+ fi
+
+ if [ -z "${ARCH}" ]; then
+ echo "You must specify an architecture." 1>&2
+ help=1
+ fi
+
+ if [[ "${DOWNLOAD_ANDROID}" -eq 0 && "${DOWNLOAD_CF}" -eq 0 ]]; then
+ echo "You are not downloading anything. Select -A and/or -C" 1>&2
+ help=1
+ fi
+
+ if [ "${help}" -eq 1 ]; then
+ print_help
+ exit 1
+ fi
+}
+
+DOWNLOAD_ANDROID=0
+DOWNLOAD_CF=0
+
+parse_opts $*
+
+URL=https://ci.android.com/builds/latest/branches/aosp-master${THROTTLED}/targets/aosp_cf_${ARCH}_phone-userdebug/view/BUILD_INFO
+RURL=$(curl -Ls -o /dev/null -w %{url_effective} ${URL})
+
+if [ "${DOWNLOAD_ANDROID}" -eq 1 ]; then
+ echo "#"
+ echo "# Downloading the latest Android images from AOSP"
+ echo "#"
+ set -x
+ IMG=aosp_cf_${ARCH}_phone-img-$(echo $RURL | awk -F\/ '{print $6}').zip
+ wget -nv ${RURL%/view/BUILD_INFO}/raw/${IMG}
+ unzip "${IMG}"
+ rm -v "${IMG}"
+ set +x
+fi
+
+if [ "${DOWNLOAD_CF}" -eq 1 ]; then
+ echo "#"
+ echo "# Downloading the latest Cuttlefish images from AOSP"
+ echo "#"
+ set -x
+ wget -nv ${RURL%/view/BUILD_INFO}/raw/cvd-host_package.tar.gz
+ tar xzvf cvd-host_package.tar.gz
+ rm -v cvd-host_package.tar.gz
+ set +x
+fi
