| #!/bin/bash |
| |
| # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Creates a hybrid MBR which points the MBR partition 1 to GPT |
| # partition 12 (ESP). |
| install_hybrid_mbr() { |
| info "Creating hybrid MBR" |
| locate_gpt |
| local start_esp=$(partoffset "$1" 12) |
| local num_esp_sectors=$(partsize "$1" 12) |
| sudo sfdisk "$1" <<EOF |
| unit: sectors |
| |
| disk1 : start= ${start_esp}, size= ${num_esp_sectors}, Id= c, bootable |
| disk2 : start= 1, size= 1, Id= ee |
| EOF |
| } |
| |
| # Downloads and installs the MLO and copies u-boot to the ESP. |
| # This is used combined with a hybrid MBR to allow booting |
| # a Beaglebone from microSD only. |
| install_beaglebone_bootloader() { |
| local efi_offset_sectors=$(partoffset "$1" 12) |
| local efi_size_sectors=$(partsize "$1" 12) |
| local efi_offset=$(( efi_offset_sectors * 512 )) |
| local efi_size=$(( efi_size_sectors * 512 )) |
| local mount_opts=loop,offset=${efi_offset},sizelimit=${efi_size} |
| local efi_dir=$(mktemp -d) |
| |
| sudo mount -o "${mount_opts}" "$1" "${efi_dir}" |
| |
| sudo cp "${BOARD_ROOT}/firmware/u-boot.img" "${efi_dir}/" |
| sudo cp "${BOARD_ROOT}/firmware/MLO" "${efi_dir}/" |
| sudo cp "${BOARD_ROOT}/firmware/uEnv.txt" "${efi_dir}/" |
| |
| sudo umount "${efi_dir}" |
| rmdir "${efi_dir}" |
| } |
| |
| board_setup() { |
| install_beaglebone_bootloader "$1" |
| install_hybrid_mbr "$1" |
| } |
| |
| skip_blacklist_check=1 |
| skip_test_image_content=1 |
