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#!/bin/bash
# SPDX-License-Identifier: GPL-3.0+
# Copyright (C) 2019, Martin Kepplinger <martink@posteo.de>
set -e
cd "$(dirname "$0")"
source "util/functions.sh"
have_input_image=0
request_update=0
verbose=0
usage()
{
echo "Skulls for the X230T"
echo " Run this script on the X230T 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-x230t- | cut -d'"' -f4 | cut -d'/' -f9 | head -n 1)
UPSTREAM_VERSION=$(curl -s https://api.github.com/repos/merge/skulls/releases | grep browser_download_url | grep skulls-x230t- | cut -d'"' -f4 | cut -d'/' -f9 | head -n 1 | egrep -o "([0-9]{1,}\.)+[0-9]{1,}")
UPSTREAM_X230=$(echo ${UPSTREAM_FILE} | grep x230t)
if [[ -z "$UPSTREAM_X230" ]] ; then
echo "The latest release didn't include the X230T"
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 X230T${NC}"
exit 0
elif [[ "$CURRENT_VERSION" < "$UPSTREAM_VERSION" ]] ; then
echo -e "${RED}You have ${CURRENT_VERSION} but there is version ${UPSTREAM_VERSION} available for the X230T. Please update.${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-x230t- | 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-x230t- | cut -d'"' -f4 | head -n 3 | tail -n 1)
cd ..
curl -LO ${UPSTREAM_URL}
curl -LO ${UPSTREAM_URL_SHA256}
sha256sum -c ${UPSTREAM_FILE}.sha256
mkdir skulls-x230t-${UPSTREAM_VERSION}
tar -xf ${UPSTREAM_FILE}
echo "Version ${UPSTREAM_VERSION} extracted to ../skulls-x230t-${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-x230t ${UPSTREAM_VERSION} for flashing."
fi
exit 0
fi
force_x230_and_root
BIOS_VENDOR=$(${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=$(ls -1 | grep x230t_coreboot_seabios || true)
if [ -z "${image_available}" ] ; then
echo "No image file found. Please add -i <file>"
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=( $(find -maxdepth 1 -name "x230t_coreboot_seabios*rom" -print0 | xargs -0) )
PS3="$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