download_gki: Modify BASE_TARGET to kernel_aarch64

GKI prebuilt boot.img are now released from the kernel AB builder
directly. Needs to modify download_gki.sh to fit for this change.

Bug: 255962463
Change-Id: I15b1a28d2ed412f0551de71f94aabd5e9a2ef7b2
Signed-off-by: Robin Peng <[email protected]>

download_gki.sh

@@ -16,15 +16,16 @@ GKI_FILES=(
   vmlinux.symvers
   modules.builtin
   modules.builtin.modinfo
-  boot-5.10-lz4.img
+  boot-lz4.img
+  Image.lz4
 )
 GKI_PREBUILTS_DIR=${2:-${CUR_DIR}/prebuilts/boot-artifacts/kernel/}
 GKI_BUILD=$1
 ALLOW_PREBUILTS_MISMATCH=${ALLOW_PREBUILTS_MISMATCH:-0}
 USE_UNSIGNED_USER_IMG=${USE_UNSIGNED_USER_IMG:-0}
-BASE_TARGET="gki_arm64"
+BASE_TARGET="kernel_aarch64"
 FETCH_ARTIFACT_CMD="/google/data/ro/projects/android/fetch_artifact"
-IMG_ZIP_BASE="${BASE_TARGET}-img-${GKI_BUILD}"
+IMG_TAR_FILE="certified-boot-img-${GKI_BUILD}.tar.gz"
 
 if [ -z "${GKI_BUILD}" ]; then
   echo "No GKI build number provided."
@@ -37,55 +38,34 @@ TEMP_DIR=$(mktemp -d)
 cd ${TEMP_DIR}
 echo "Downloading GKI binaries from build ab/${GKI_BUILD} via fetch_artifact..."
 if [ "${USE_UNSIGNED_USER_IMG}" = "0" ]; then
-  file="signed/signed-${IMG_ZIP_BASE}.zip"
-  echo "Taking signed user image."
-else
-  file="${IMG_ZIP_BASE}.zip"
-  echo "Taking unsigned user image."
+  file="signed/${IMG_TAR_FILE}"
+  echo "Downloading signed boot.img..."
+  ${FETCH_ARTIFACT_CMD} \
+      --bid ${GKI_BUILD} \
+      --target ${BASE_TARGET} ${file}
+  exit_and_clean_if_error $? "Unable to download signed boot image"
 fi
-echo "Downloading -user variant boot.img..."
-${FETCH_ARTIFACT_CMD} \
-    --bid ${GKI_BUILD} \
-    --target ${BASE_TARGET}-user ${file}
-exit_and_clean_if_error $? "Unable to download -user boot image"
-mv *${IMG_ZIP_BASE}.zip ${IMG_ZIP_BASE}-user.zip
 
-echo "Downloading -userdebug prebuilts..."
+echo "Downloading prebuilts..."
 for file in "${GKI_FILES[@]}"; do
   if grep -q "boot.*\.img" <<< ${file} ; then
     BOOT_IMG_NAME=${file}
-    file="${IMG_ZIP_BASE}.zip"
-  else
-    file="kernel/5.10/${file}"
   fi
   ${FETCH_ARTIFACT_CMD} \
       --bid ${GKI_BUILD} \
-      --target ${BASE_TARGET}-userdebug ${file}
+      --target ${BASE_TARGET} ${file}
   exit_and_clean_if_error $? "Error downloading ${file}"
 done
 
-for file in $(ls ./*.zip); do
-  if grep -q "user" <<< ${file} ; then
-    USER_IMG_DIR=${TEMP_DIR}/user_images/
-    mkdir ${USER_IMG_DIR}
-    unzip ${file} ${BOOT_IMG_NAME} -d ${USER_IMG_DIR}
-  else
-    unzip ${file} ${BOOT_IMG_NAME}
-  fi
-done
+if [ "${USE_UNSIGNED_USER_IMG}" = "0" ]; then
+  tar -zxvf ${IMG_TAR_FILE}
+  exit_and_clean_if_error $? "Failed to extract ${IMG_TAR_FILE}"
+fi
 
-if [ -f "${BOOT_IMG_NAME}" ]; then
-  UNPACKED_BOOT_DIR=${TEMP_DIR}/boot_img_unpacked/
-  ${CUR_DIR}/tools/mkbootimg/unpack_bootimg.py --boot_img ${BOOT_IMG_NAME} \
-            --out ${UNPACKED_BOOT_DIR}
-  exit_and_clean_if_error $? "Unable to unpack ${BOOT_IMG_NAME}"
-  mv ${UNPACKED_BOOT_DIR}/kernel ./Image.lz4
-  lz4 -d ./Image.lz4 ./Image
-  SHA_FILE="Image"
-elif [ -f "vmlinux" ]; then
+if [ -f "vmlinux" ]; then
   SHA_FILE="vmlinux"
 else
-  exit_and_clean_if_error 1 "No vmlinux or boot image downloaded"
+  exit_and_clean_if_error 1 "No vmlinux downloaded"
 fi
 
 echo "Checking if GKI binaries match the current aosp/ revision..."
@@ -107,17 +87,11 @@ fi
 echo "Copying GKI files to ${GKI_PREBUILTS_DIR}..."
 mv -v ${GKI_FILES[@]} ${GKI_PREBUILTS_DIR}
 exit_and_clean_if_error $? "Unable to copy all files"
-if [ -f ${USER_IMG_DIR}/${BOOT_IMG_NAME} ]; then
-  mv ${USER_IMG_DIR}/${BOOT_IMG_NAME} ${GKI_PREBUILTS_DIR}/boot-user.img
-  echo "Copied user variant ${BOOT_IMG_NAME} to boot-user.img."
-fi
 
 cd ${GKI_PREBUILTS_DIR}
 if [ -n "${BOOT_IMG_NAME}" -a -f "${BOOT_IMG_NAME}" ]; then
   mv ${BOOT_IMG_NAME} boot.img
-  echo "Copied userdebug variant ${BOOT_IMG_NAME} to boot.img."
-  mv ${TEMP_DIR}/Image.lz4 ./
-  echo "Copied Image.lz4 unpacked from ${BOOT_IMG_NAME}."
+  echo "Copied ${BOOT_IMG_NAME} to boot.img."
 fi
 echo "Update the GKI binaries to ab/${GKI_BUILD}