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143 lines
3.4 KiB
143 lines
3.4 KiB
#!/bin/bash
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# SPDX-License-Identifier: GPL-3.0+
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# Copyright (C) 2018, Martin Kepplinger <martink@posteo.de>
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set -e
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source functions.sh
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have_input_image=0
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usage()
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{
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echo "Skulls for the X230"
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echo " Run this script on the X230 directly."
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echo ""
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echo " This flashes the BIOS with the given image."
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echo " Make sure you booted Linux with iomem=relaxed"
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echo ""
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echo "Usage: $0 -i <4mb_top_image>.rom"
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}
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args=$(getopt -o i:h -- "$@")
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if [ $? -ne 0 ] ; then
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usage
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exit 1
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fi
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eval set -- "$args"
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while [ $# -gt 0 ]
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do
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case "$1" in
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-i)
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INPUT_IMAGE_PATH=$2
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have_input_image=1
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shift
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;;
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-h)
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usage
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exit 1
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;;
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--)
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shift
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break
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;;
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*)
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echo "Invalid option: $1"
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exit 1
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;;
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esac
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shift
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done
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force_x230_and_root
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BIOS_VENDOR=$(dmidecode -t bios | grep Vendor | cut -d':' -f2)
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if [[ $BIOS_VENDOR != *"coreboot"* ]] ; then
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BIOS_VERSION=$(dmidecode -s bios-version | grep -o '[1-2].[0-7][0-9]')
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bios_major=$(echo "$BIOS_VERSION" | cut -d. -f1)
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bios_minor=$(echo "$BIOS_VERSION" | cut -d. -f2)
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if [ "${bios_minor}" -ge "60" ] ; then
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echo "Ready to use external_install_bottom.sh and external_install_top.sh"
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echo "Please run both scripts from a different computer with a"
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echo "hardware SPI flasher."
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else
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echo -e "The installed original BIOS is very old."
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echo -e "${RED}Please upgrade${NC} from lenovo.com before installing coreboot."
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fi
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exit 0
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fi
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if [ ! "$have_input_image" -gt 0 ] ; then
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image_available=$(ls -1 | grep x230_coreboot_seabios || true)
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if [ -z "${image_available}" ] ; then
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echo "No image file found. Please add -i <file>"
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echo ""
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usage
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exit 1
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fi
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prompt="file not specified. Please select a file to flash. Please read the README for details about the differences:"
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options=( $(find -maxdepth 1 -name "x230_coreboot_seabios*rom" -print0 | xargs -0) )
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PS3="$prompt "
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select INPUT_IMAGE_PATH in "${options[@]}" "Quit" ; do
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if (( REPLY == 1 + ${#options[@]} )) ; then
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exit
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elif (( REPLY > 0 && REPLY <= ${#options[@]} )) ; then
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break
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else
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echo "Invalid option. Try another one."
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fi
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done
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fi
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OUTPUT_PATH=output
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INPUT_IMAGE_NAME=$(basename "${INPUT_IMAGE_PATH}")
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OUTPUT_IMAGE_NAME=${INPUT_IMAGE_NAME%%.*}_prepared_12mb.rom
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OUTPUT_IMAGE_PATH=${OUTPUT_PATH}/${OUTPUT_IMAGE_NAME}
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echo -e "input: ${INPUT_IMAGE_NAME}"
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echo -e "output: ${OUTPUT_IMAGE_PATH}"
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input_filesize=$(wc -c <"$INPUT_IMAGE_PATH")
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reference_filesize=4194304
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if [ ! "$input_filesize" -eq "$reference_filesize" ] ; then
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echo "Error: input file must be 4MB of size"
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exit 1
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fi
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rm -rf ${OUTPUT_PATH}
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mkdir ${OUTPUT_PATH}
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dd if=/dev/zero of="${OUTPUT_IMAGE_PATH}" bs=4M count=2 status=none
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dd if="${INPUT_IMAGE_PATH}" oflag=append conv=notrunc of="${OUTPUT_IMAGE_PATH}" bs=4M status=none
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LAYOUT_FILENAME="x230-layout.txt"
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echo "0x00000000:0x007fffff ifdmegbe" > ${OUTPUT_PATH}/${LAYOUT_FILENAME}
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echo "0x00800000:0x00bfffff bios" >> ${OUTPUT_PATH}/${LAYOUT_FILENAME}
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echo -e "${YELLOW}WARNING${NC}: Make sure not to power off your computer or interrupt this process in any way!"
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echo -e " Interrupting this process may result in irreparable damage to your computer!"
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check_battery
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while true; do
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read -r -p "Flash the BIOS now? y/N: " yn
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case $yn in
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[Yy]* ) cd output && flashrom -p internal --layout ${LAYOUT_FILENAME} --image bios -w "${OUTPUT_IMAGE_NAME}"; break;;
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[Nn]* ) exit;;
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* ) exit;;
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esac
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done
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while true; do
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read -r -p "Reboot now? (please do!) Y/n: " yn
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case $yn in
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[Yy]* ) reboot ;;
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[Nn]* ) exit;;
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* ) reboot;;
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esac
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done
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