scripts/hikey-efi-boot-image

#!/usr/bin/env bash

# Copyright 2017 The Fuchsia Authors
#
# Use of this source code is governed by a MIT-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/MIT

# Uploads boot image (kernel+ramdisk) into RAM of a hikey960 which is in fastboot
#  mode, and then executes image. Requires that the hikey be equiped with UEFI
#  bootloader.
#  Assumes this is run from the zircon source directory.

set -e

function HELP() {
    echo "Usage: hikey-efi-boot-image [options] <tools-images-hikey960>"
    echo "  See: /docs/targets/hikey960-uefi.md for more info"
    echo
    echo "  -b build-dir    Use specified build directory"
    echo "  -r ramdisk      Use specified ramdisk file"
    echo "  -m              Add mexec option to command line"
    echo "  -f              Flash image, then boot image"
    echo "  -h              For help"
    exit 1
}

ZIRCON_SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
ZIRCON_DIR="${ZIRCON_SCRIPTS_DIR}/.."

MEMBASE=0x00000000
KERNEL_OFFSET=0x00080000
RAMDISK_OFFSET=0x07c00000
DT_OFFSET=0x07a00000

CMDLINE="TERM=uart"

while getopts "b:r:mfh" FLAG; do
    case $FLAG in
        b) BUILD_DIR="${OPTARG}";;
        r) RAMDISK="${OPTARG}";;
        m) CMDLINE+=" netsvc.netboot=true";;
        f) FLASH="flash";;
        h) HELP;;
        \?)
            echo unrecognized option
            HELP
            ;;
    esac
done
shift $((OPTIND - 1))

if [ "$#" -lt 1 ]; then
    echo "not enough arguments"
    HELP
fi

BUILD_DIR="${BUILD_DIR:-/build-zircon-hikey960-arm64}"
KERNEL="${BUILD_DIR}/zircon.bin-dtb"
RAMDISK="${RAMDISK:-${BUILD_DIR}/bootdata.bin}"

OUT_IMAGE="${BUILD_DIR}/boot.img"
DTB_FILE="${ZIRCON_DIR}/kernel/target/hikey960/device-tree.dtb"
DT_IMAGE="${BUILD_DIR}/dt.img"

MKBOOTIMG="${1}/build-from-source/mkbootimg"

if [ ! -e "${MKBOOTIMG}" ]; then
    echo "mkbootimg not found at path ${MKBOOTIMG}"
    HELP
fi

# tools-images-hikey960 found at:
# https://github.com/96boards-hikey/tools-images-hikey960

echo using mkbootimg at ${MKBOOTIMG}
"${MKBOOTIMG}" --kernel $KERNEL \
--kernel_offset $KERNEL_OFFSET \
--base $MEMBASE \
--ramdisk_offset $RAMDISK_OFFSET \
--ramdisk "${RAMDISK}" \
--tags_offset $DT_OFFSET \
--cmdline "${CMDLINE}" \
-o $OUT_IMAGE

fastboot $FLASH boot $OUT_IMAGE
if [ -n "${FLASH}" ]; then
    # Can't guarantee that the target has written image to flash before the
    # fastboot command completes, so short delay here before reboot.
    sleep 1
    fastboot reboot
fi