#!/bin/bash # SPDX-License-Identifier: GPL-3.0+ # Copyright (C) 2019, Martin Kepplinger set -e cd "$(dirname "$0")" source "util/functions.sh" have_input_image=0 request_update=0 verbose=0 usage() { echo "Skulls for the X230" echo " Run this script on the X230 directly." echo "" echo " This flashes the BIOS with the given image." echo " Make sure you booted Linux with iomem=relaxed" echo "" echo "Usage: $0 [-i <4mb_top_image>.rom] [-U] [-h]" echo "Options:" echo " -i path to the image to flash" echo " -U update: check for a new Skulls package online" echo " -v verbose output. prints more information" echo " -h print this help text" } args=$(getopt -o i:hUv -- "$@") if [ $? -ne 0 ] ; then usage exit 1 fi eval set -- "$args" while [ $# -gt 0 ] do case "$1" in -i) INPUT_IMAGE_PATH=$2 have_input_image=1 shift ;; -h) usage exit 1 ;; -U) request_update=1 ;; -v) verbose=1 ;; --) shift break ;; *) echo "Invalid option: $1" exit 1 ;; esac shift done if [ "$request_update" -gt 0 ] ; then warn_not_root command -v curl >/dev/null 2>&1 || { echo -e >&2 "${RED}Please install curl.${NC}"; exit 1; } CURRENT_VERSION=$(head -2 NEWS | egrep -o "([0-9]{1,}\.)+[0-9]{1,}") UPSTREAM_FILE=$(curl -s https://api.github.com/repos/merge/skulls/releases | grep browser_download_url | grep skulls-x230- | cut -d'"' -f4 | cut -d'/' -f9 | head -n 1) UPSTREAM_VERSION=$(curl -s https://api.github.com/repos/merge/skulls/releases | grep browser_download_url | grep skulls-x230- | cut -d'"' -f4 | cut -d'/' -f9 | head -n 1 | egrep -o "([0-9]{1,}\.)+[0-9]{1,}") UPSTREAM_X230=$(echo ${UPSTREAM_FILE} | grep x230) if [[ -z "$UPSTREAM_X230" ]] ; then echo "The latest release didn't include the X230" exit 0 fi if [[ $verbose -gt 0 ]] ; then echo "This is v$CURRENT_VERSION and latest is v$UPSTREAM_VERSION" fi if [[ "$CURRENT_VERSION" = "$UPSTREAM_VERSION" ]] ; then echo -e "${GREEN}You are using the latest version of Skulls for the X230${NC}" exit 0 elif [[ "$CURRENT_VERSION" < "$UPSTREAM_VERSION" ]] ; then echo -e "${RED}You have ${CURRENT_VERSION} but there is version ${UPSTREAM_VERSION} available for the X230. Please update.${NC}" read -r -p "Download it to the parent directory now? [y/N] " response case "$response" in [yY][eE][sS]|[yY]) UPSTREAM_URL=$(curl -s https://api.github.com/repos/merge/skulls/releases | grep browser_download_url | grep skulls-x230- | cut -d'"' -f4 | head -n 1) UPSTREAM_URL_SHA256=$(curl -s https://api.github.com/repos/merge/skulls/releases | grep browser_download_url | grep skulls-x230- | cut -d'"' -f4 | head -n 3 | tail -n 1) cd .. curl -LO ${UPSTREAM_URL} curl -LO ${UPSTREAM_URL_SHA256} sha256sum -c ${UPSTREAM_FILE}.sha256 mkdir skulls-x230-${UPSTREAM_VERSION} tar -xf ${UPSTREAM_FILE} echo "Version ${UPSTREAM_VERSION} extracted to ../skulls-x230-${UPSTREAM_VERSION}/" echo "Please continue in the new directory." ;; *) exit 0 ;; esac else echo "You seem to use a development version. Please use release package skulls-x230 ${UPSTREAM_VERSION} for flashing." fi exit 0 fi force_x230_and_root BIOS_VENDOR=$(${DMIDECODE} -t bios | grep Vendor | cut -d':' -f2) if [[ $BIOS_VENDOR != *"coreboot"* ]] ; then BIOS_VERSION=$(${DMIDECODE} -s bios-version | grep -o '[1-2].[0-7][0-9]') bios_major=$(echo "$BIOS_VERSION" | cut -d. -f1) bios_minor=$(echo "$BIOS_VERSION" | cut -d. -f2) if [ "${bios_minor}" -ge "61" ] ; then echo "Ready to use external_install_bottom.sh and external_install_top.sh" echo "Please run both scripts from a different computer with a" echo "hardware SPI flasher." else echo -e "The installed original BIOS is very old." echo -e "${RED}Please upgrade${NC} from lenovo.com before installing coreboot." fi exit 0 fi if [[ "$verbose" -gt 0 ]] ; then if [ -d "/sys/class/power_supply/BAT0" ] ; then bat_last_full=$(cat /sys/class/power_supply/BAT0/charge_full) bat_design_cap=$(cat /sys/class/power_supply/BAT0/charge_full_design) bat_health=$(echo "scale=2 ; $bat_last_full/$bat_design_cap" | bc | sed 's/^\./0./') echo "INFO: Battery hardware health is $bat_health%" fi fi if [ ! "$have_input_image" -gt 0 ] ; then image_available=$(ls -1 | grep x230_coreboot_seabios || true) if [ -z "${image_available}" ] ; then echo "No image file found. Please add -i " echo "" usage exit 1 fi prompt="file not specified. Please select a file to flash. Please read the README for details about the differences:" options=( $(find -maxdepth 1 -name "x230_coreboot_seabios*rom" -print0 | xargs -0) ) PS3="$prompt " select INPUT_IMAGE_PATH in "${options[@]}" "Quit" ; do if (( REPLY == 1 + ${#options[@]} )) ; then exit elif (( REPLY > 0 && REPLY <= ${#options[@]} )) ; then break else echo "Invalid option. Try another one." fi done fi OUTPUT_PATH=output INPUT_IMAGE_NAME=$(basename "${INPUT_IMAGE_PATH}") OUTPUT_IMAGE_NAME=${INPUT_IMAGE_NAME%%.*}_prepared_12mb.rom OUTPUT_IMAGE_PATH=${OUTPUT_PATH}/${OUTPUT_IMAGE_NAME} echo -e "input: ${INPUT_IMAGE_NAME}" echo -e "output: ${OUTPUT_IMAGE_PATH}" input_filesize=$(wc -c <"$INPUT_IMAGE_PATH") reference_filesize=4194304 if [ ! "$input_filesize" -eq "$reference_filesize" ] ; then echo "Error: input file must be 4MB of size" exit 1 fi rm -rf ${OUTPUT_PATH} mkdir ${OUTPUT_PATH} dd if=/dev/zero of="${OUTPUT_IMAGE_PATH}" bs=4M count=2 status=none dd if="${INPUT_IMAGE_PATH}" oflag=append conv=notrunc of="${OUTPUT_IMAGE_PATH}" bs=4M status=none LAYOUT_FILENAME="x230-layout.txt" echo "0x00000000:0x00000fff ifd" > ${OUTPUT_PATH}/${LAYOUT_FILENAME} echo "0x00001000:0x00002fff gbe" >> ${OUTPUT_PATH}/${LAYOUT_FILENAME} echo "0x00003000:0x004fffff me" >> ${OUTPUT_PATH}/${LAYOUT_FILENAME} echo "0x00500000:0x007fffff unused" >> ${OUTPUT_PATH}/${LAYOUT_FILENAME} echo "0x00800000:0x00bfffff bios" >> ${OUTPUT_PATH}/${LAYOUT_FILENAME} echo -e "${YELLOW}WARNING${NC}: Make sure not to power off your computer or interrupt this process in any way!" echo -e " Interrupting this process may result in irreparable damage to your computer!" check_battery while true; do read -r -p "Flash the BIOS now? y/N: " yn case $yn in [Yy]* ) cd ${OUTPUT_PATH} && ${FLASHROM} --force --noverify-all -p internal --layout ${LAYOUT_FILENAME} --image bios -w "${OUTPUT_IMAGE_NAME}"; break;; [Nn]* ) exit;; * ) exit;; esac done rm -rf ${OUTPUT_PATH} while true; do read -r -p "Power off now? (please do!) Y/n: " yn case $yn in [Yy]* ) poweroff ;; [Nn]* ) exit;; * ) poweroff ;; esac done