mirror of
https://git.savannah.gnu.org/git/gnuboot.git
synced 2025-01-04 07:17:40 +01:00
89517ed6b9
this is forked from the "libre" branch in osboot, which is itself a libre, deblobbed fork of osboot, a blobbed up fork of libreboot libreboot needed to be purged clean. this is the new libreboot development repository. the old one has been abandoned
454 lines
15 KiB
Bash
Executable file
454 lines
15 KiB
Bash
Executable file
#!/bin/bash
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# helper script: create ROM images for a given mainboard
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#
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# Copyright (C) 2020,2021 Leah Rowe <info@minifree.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This script assumes that the working directory is the root
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# of git or release archive
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[ "x${DEBUG+set}" = 'xset' ] && set -v
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set -u -e
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projectname="$(cat projectname)"
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if (( $# != 1 )); then
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printf "Usage: ./build boot roms boardname\n"
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printf "Example: ./build boot roms x60\n"
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printf "Example: ./build boot roms x60 x200_8mb\n"
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printf "Example: ./build boot roms all\n"
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printf "You need to specify exactly 1 argument\n"
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exit 1
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fi
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board="${1}"
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if [ ! -d "resources/coreboot/${board}" ]; then
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printf "build/roms: Target %s does not exist in the %s build system. Skipping build.\n" "${projectname}" "${board}"
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exit 1
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fi
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if [ ! -f "resources/coreboot/${board}/board.cfg" ]; then
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printf "build/roms: Target %s does not have a board.cfg. Skipping build.\n" "${board}"
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exit 1
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fi
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cbtree="undefined"
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romtype="normal" # optional parameter in board.cfg. "normal" is default
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arch="undefined"
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# Disable all payloads by default.
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# board.cfg files have to specifically enable [a] payload(s)
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payload_grub="n"
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payload_grub_withseabios="n" # seabios chainloaded from grub
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payload_grub_withtianocore="n" # tianocore chainloaded from grub
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payload_seabios="n"
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payload_seabios_withgrub="n" # i386-coreboot grub accessible from SeaBIOS boot menu
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payload_tianocore="n"
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seabios_opromloadonly="0"
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# Override the above defaults using board.cfg
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source "resources/coreboot/${board}/board.cfg"
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if [ "${cbtree}" = "undefined" ]; then
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printf "build/roms: Target %s does not define a coreboot tree. Skipping build.\n" "${board}"
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exit 1
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fi
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if [ "${arch}" = "undefined" ]; then
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printf "build/roms: Target %s does not define a CPU type. Skipping build.\n" "${board}"
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exit 1
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fi
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if [ "${seabios_opromloadonly}" != "0" ] && \
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[ "${seabios_opromloadonly}" != "1" ]; then
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seabios_opromloadonly="0"
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fi
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if [ "${payload_grub_withseabios}" = "y" ] \
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|| [ "${payload_grub_withtianocore}" = "y" ]; then
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payload_grub="y"
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fi
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if [ "${payload_grub_withseabios}" = "y" ]; then
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payload_seabios="y"
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payload_seabios_withgrub="y" # if grub-first works, then seabios-with-grub will also work
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fi
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if [ "${payload_seabios_withgrub}" = "y" ]; then
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payload_seabios="y" # if seabios-with-grub works, then SeaBIOS-alone should also work
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fi
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# NOTE: reverse logic must not be applied. If SeaBIOS-with-GRUB works, that doesn't
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# necessarily mean GRUB-with-SeaBIOS will work nicely. for example, the board might
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# only have an add-on GPU available, where it's recommended to boot SeaBIOS first
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if [ "${payload_grub_withtianocore}" = "y" ]; then
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payload_tianocore="y"
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fi
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if [ "${payload_grub}" != "y" ] && [ "${payload_seabios}" != "y" ] \
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&& [ "${payload_tianocore}" != "y" ]; then
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while true; do
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for configfile in "resources/coreboot/${board}/config/"*; do
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if [ -f "${configfile}" ]; then
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printf "ERROR build/roms: Target '%s' does not define a payload. Exiting.\n" "${board}"
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exit 1
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fi
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done
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break
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done
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fi
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if [ ! -f "memtest86plus/memtest" ]; then
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./build module memtest86plus
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fi
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romdir="bin/${board}"
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cbdir="coreboot/${board}"
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if [ "${board}" != "${cbtree}" ]; then
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cbdir="coreboot/${cbtree}"
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fi
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cbfstool="${cbdir}/util/cbfstool/cbfstool"
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corebootrom="${cbdir}/build/coreboot.rom"
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seavgabiosrom="payload/seabios/seavgabios.bin"
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tianocoreelf="payload/tianocore/tianocore.elf"
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if [ ! -d "${cbdir}" ]; then
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./download coreboot ${cbtree}
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fi
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if [ "${arch}" = "x86_32" ] || [ "${arch}" = "x86_64" ]; then
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if [ ! -d "${cbdir}/util/crossgcc/xgcc/i386-elf/" ]; then
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(
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cd "${cbdir}"
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make crossgcc-i386 CPUS=$(nproc) # even for 64-bit machines, coreboot builds
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# 32-bit ROM images, so we only need to worry about i386-elf
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)
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fi
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fi
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if [ "${arch}" != "x86_64" ]; then
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payload_tianocore="n"
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payload_grub_withtianocore="n"
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fi
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if [ ! -f "${cbfstool}" ]; then
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./build module cbutils ${cbtree}
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fi
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if [ ! -f "${tianocoreelf}" ]; then
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if [ "${payload_tianocore}" = "y" ]; then
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./build payload tianocore
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elif [ "${payload_grub}" = "y" ] \
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&& [ "${payload_grub_withtianocore}" = "y" ]; then
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./build payload tianocore
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fi
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fi
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if [ ! -f "${seavgabiosrom}" ] \
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|| [ ! -f payload/seabios/seabios_libgfxinit.elf ] \
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|| [ ! -f payload/seabios/seabios_vgarom.elf ]; then
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if [ "${payload_seabios}" = "y" ]; then
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./build payload seabios
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elif [ "${payload_grub}" = "y" ] \
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&& [ "${payload_grub_withseabios}" = "y" ]; then
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./build payload seabios
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fi
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fi
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[ -d "${romdir}/" ] || mkdir -p "${romdir}/"
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rm -f "${romdir}"/*
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if [ "${payload_grub}" = "y" ] || [ "${payload_seabios_withgrub}" = "y" ]; then
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if [ -f "payload/grub/grub_usqwerty.cfg" ]; then
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grubrefchecksum="$(sha1sum resources/grub/config/grub.cfg)"
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grubrefchecksum="${grubrefchecksum% resources/grub/config/grub.cfg}"
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grubbuildchecksum="$(sha1sum payload/grub/grub_usqwerty.cfg)"
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grubbuildchecksum="${grubbuildchecksum% payload/grub/grub_usqwerty.cfg}"
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if [ "${grubrefchecksum}" != "${grubbuildchecksum}" ]; then
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rm -Rf payload/grub/
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printf "Changes detected to GRUB. Re-building now:\n"
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fi
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else
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printf "Required GRUB payloads not yet built. Building now:\n"
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rm -Rf payload/grub/ # just in case
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fi
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for keymapfile in resources/grub/keymap/*; do
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if [ ! -f "${keymapfile}" ]; then
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continue
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fi
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keymap="${keymapfile##*/}"
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keymap="${keymap%.gkb}"
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grubelf="payload/grub/grub_${keymap}.elf"
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grubcfg="payload/grub/grub_${keymap}.cfg"
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grubtestcfg="payload/grub/grub_${keymap}_test.cfg"
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if [ ! -f "${grubelf}" ] || [ ! -f "${grubcfg}" ] || \
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[ ! -f "${grubtestcfg}" ]; then
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./build payload grub
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fi
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done
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fi
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# it is assumed that no other work will be done on the ROM
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# after calling this function. therefore this function is "final"
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moverom() {
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rompath="$1"
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newrompath="$2"
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cuttype="$3"
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printf "\nCreating new ROM image: %s\n" "${newrompath}"
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if [ "${cuttype}" = "4MiB IFD BIOS region" ]; then
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dd if=${rompath} of=${newrompath} bs=1 skip=$[$(stat -c %s ${rompath}) - 0x400000] count=4194304
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else
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cp ${rompath} ${newrompath}
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fi
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for romsize in 4 8 16; do
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if [ "${cuttype}" = "${romsize}MiB ICH9 IFD NOR flash" ]; then
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if [ ! -f "descriptors/ich9m/ich9fdgbe_${romsize}m.bin" ]; then
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./build descriptors ich9m
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fi
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dd if=descriptors/ich9m/ich9fdgbe_${romsize}m.bin of=${newrompath} bs=1 count=12k conv=notrunc
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fi
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if [ "${cuttype}" = "${romsize}MiB ICH9 IFD NOGBE NOR flash" ]; then
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if [ ! -f "descriptors/ich9m/ich9fdnogbe_${romsize}m.bin" ]; then
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./build descriptors ich9m
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fi
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dd if=descriptors/ich9m/ich9fdnogbe_${romsize}m.bin of=${newrompath} bs=1 count=4k conv=notrunc
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fi
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done
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if [ "${cuttype}" = "i945 laptop" ]; then
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dd if=${newrompath} of=top64k.bin bs=1 skip=$[$(stat -c %s ${newrompath}) - 0x10000] count=64k
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dd if=top64k.bin of=${newrompath} bs=1 seek=$[$(stat -c %s ${newrompath}) - 0x20000] count=64k conv=notrunc
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rm -f top64k.bin
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fi
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}
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# expected: configs must not specify a payload
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mkCoreboot() {
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cbdir="${1}" # e.g. coreboot/default
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cbcfgpath="${2}" # e.g. resources/coreboot/x200_8mb/config/libgfxinit_txtmode
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if [ ! -f "${cbcfgpath}" ]; then
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printf "\nmkCoreboot: Coreboot config '%s' does not exist. Skipping build.\n" \
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"${cbcfgpath}"
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return 0
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fi
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printf "%s-%s\n" "$(cat projectname)" "$(cat version)" > "${cbdir}/.coreboot-version"
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(
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cd "${cbdir}"
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make distclean
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)
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cp "${cbcfgpath}" "${cbdir}"/.config
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(
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cd "${cbdir}"
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make -j$(nproc)
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)
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}
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mkRomWithTianocoreOnly() {
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rompath="${1}"
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initmode="${2}"
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if [ "${payload_tianocore}" = "y" ] && [ "${arch}" = "x86_64" ]; then
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# do not include on 32-bit-only machines. this is 64-bit tianocore
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tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
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cp "${corebootrom}" "${tmprom}"
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"${cbfstool}" "${tmprom}" add-payload -f ${tianocoreelf} -n fallback/payload -c lzma
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moverom "${tmprom}" "${romdir}/tianocore_${board}_${initmode}.rom" "${romtype}"
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rm -f "${tmprom}"
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fi
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}
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# make a rom in /tmp/ and then print the path of that ROM
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make_seabios_rom() {
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target_cbrom="${1}" # rom to insert seabios in. this rom won't be touched
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# a tmpfile will be made instead
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target_seabios_cbfs_path="${2}" # e.g. fallback/payload
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target_opromloadonly="${3}" # 0 or 1. if 1, only load but don't execute oproms
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target_initmode="${4}" # e.g. libgfxinit
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cbfstool_path="${5}"
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if [ "${target_initmode}" = "normal" ]; then
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target_seabioself="payload/seabios/seabios_vgarom.elf"
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# if normal, etc/pci-optionrom-exec will be set to 2
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else
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target_seabioself="payload/seabios/seabios_${target_initmode}.elf"
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# if libgfxinit, etc/pci-optionrom-exec will be set to 2
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# if vgarom, etc/pci-optionrom-exec will be set to 0
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fi
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target_seavgabios_rom="payload/seabios/seavgabios.bin"
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tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
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cp "${target_cbrom}" "${tmprom}"
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"${cbfstool}" "${tmprom}" add-payload -f "${target_seabioself}" -n ${target_seabios_cbfs_path} -c lzma
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"${cbfstool}" "${tmprom}" add-int -i 3000 -n etc/ps2-keyboard-spinup
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if [ "${target_initmode}" = "normal" ] || [ "${target_initmode}" = "libgfxinit" ]; then
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"${cbfstool}" "${tmprom}" add-int -i 2 -n etc/pci-optionrom-exec
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elif [ "${target_initmode}" = "vgarom" ]; then
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"${cbfstool}" "${tmprom}" add-int -i 0 -n etc/pci-optionrom-exec
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fi # for undefined modes, don't add this integer. rely on SeaBIOS defaults
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"${cbfstool}" "${tmprom}" add-int -i 0 -n etc/optionroms-checksum
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"${cbfstool}" "${tmprom}" add-int -i ${target_opromloadonly} -n etc/only-load-option-roms
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if [ "${target_initmode}" = "libgfxinit" ]; then
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"${cbfstool_path}" "${tmprom}" add -f "${target_seavgabios_rom}" -n vgaroms/seavgabios.bin -t raw
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fi
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printf "%s\n" "${tmprom}"
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}
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# make a rom in /tmp/ and then print the path of that ROM
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make_grubrom_from_keymap() {
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target_keymap="${1}"
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target_cbrom="${2}"
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cbfstool_path="${3}"
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target_grubelf_cbfs_path="${4}" # e.g. fallback/payload
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grubelf="payload/grub/grub_${target_keymap}.elf"
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grubcfg="payload/grub/grub_${target_keymap}.cfg"
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grubtestcfg="payload/grub/grub_${target_keymap}_test.cfg"
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tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
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cp "${target_cbrom}" "${tmprom}"
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"${cbfstool_path}" "${tmprom}" add-payload -f "${grubelf}" -n ${target_grubelf_cbfs_path} -c lzma
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"${cbfstool_path}" "${tmprom}" add -f "${grubcfg}" -n grub.cfg -t raw
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"${cbfstool_path}" "${tmprom}" add -f "${grubtestcfg}" -n grubtest.cfg -t raw
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printf "%s\n" "${tmprom}"
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}
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# Make separate ROM images with GRUB payload, for each supported keymap
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mkRomsWithGrub() {
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tmprompath="${1}"
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initmode="${2}"
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displaymode="${3}"
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firstpayloadname="${4}" # allow values: grub, seabios, seabios_withgrub, seabios_grubfirst
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if [ "${payload_grub_withtianocore}" = "y" ] && [ "${firstpayloadname}" = "grub" ]; then
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"${cbfstool}" "${tmprompath}" add-payload -f ${tianocoreelf} -n tianocore.elf -c lzma
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fi
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if [ "${payload_grub_withseabios}" = "y" ] && [ "${firstpayloadname}" = "grub" ]; then
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mv "$(make_seabios_rom "${tmprompath}" "seabios.elf" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")" "${tmprompath}"
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elif [ "${payload_seabios_withgrub}" ] && [ "${firstpayloadname}" != "grub" ]; then
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mv "$(make_seabios_rom "${tmprompath}" "fallback/payload" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")" "${tmprompath}"
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if [ "${firstpayloadname}" = "seabios_grubfirst" ]; then
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tmpbootorder=$(mktemp -t coreboot_rom.XXXXXXXXXX)
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printf "/rom@img/grub2\n" > "${tmpbootorder}"
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"${cbfstool}" "${tmprompath}" add -f "${tmpbootorder}" -n bootorder -t raw
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rm -f "${tmpbootorder}"
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"${cbfstool}" "${tmprompath}" add-int -i 0 -n etc/show-boot-menu
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fi
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fi
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for keymapfile in resources/grub/keymap/*; do
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if [ ! -f "${keymapfile}" ]; then
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continue
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fi
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keymap="${keymapfile##*/}"
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keymap="${keymap%.gkb}"
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grub_path_in_cbfs="fallback/payload"
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if [ "${firstpayloadname}" != "grub" ]; then
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grub_path_in_cbfs="img/grub2"
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fi
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tmpgrubrom="$(make_grubrom_from_keymap "${keymap}" "${tmprompath}" "${cbfstool}" "${grub_path_in_cbfs}")"
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if [ "${initmode}" = "normal" ]; then
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newrompath="${romdir}/${firstpayloadname}_${board}_${initmode}_${keymap}.rom"
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else
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newrompath="${romdir}/${firstpayloadname}_${board}_${initmode}_${displaymode}_${keymap}.rom"
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fi
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moverom "${tmpgrubrom}" "${newrompath}" "${romtype}"
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rm -f "${tmpgrubrom}"
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done
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}
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# Main ROM building function. This calls all other functions
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mkRoms() {
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tianocoreRequiredDisplayMode="${1}"
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cbcfgpath="${2}"
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displaymode="${3}"
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initmode="${4}"
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if [ ! -f "${cbcfgpath}" ]; then
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printf "'%s' does not exist. Skipping build for %s %s %s\n" \
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"${cbcfgpath}" "${board}" "${displaymode}" "${initmode}"
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return 0
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fi
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mkCoreboot "${cbdir}" "${cbcfgpath}"
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if [ "${displaymode}" = "${tianocoreRequiredDisplayMode}" ]; then
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mkRomWithTianocoreOnly "${corebootrom}" "${initmode}"
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fi
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if [ "${displaymode}" = "txtmode" ]; then
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"${cbfstool}" "${corebootrom}" add-payload -f memtest86plus/memtest -n img/memtest -c lzma
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fi
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if [ "${payload_seabios}" = "y" ]; then
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if [ "${payload_seabios_withgrub}" = "n" ]; then
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tmpseabiosrom="$(make_seabios_rom "${corebootrom}" "fallback/payload" "${seabios_opromloadonly}" "${initmode}" "${cbfstool}")"
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if [ "${initmode}" = "normal" ]; then
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newrompath="${romdir}/seabios_${board}_${initmode}.rom"
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else
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newrompath="${romdir}/seabios_${board}_${initmode}_${displaymode}.rom"
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fi
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moverom "${tmpseabiosrom}" "${newrompath}" "${romtype}"
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rm -f "${tmpseabiosrom}"
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else
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tmprom=$(mktemp -t coreboot_rom.XXXXXXXXXX)
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cp "${corebootrom}" "${tmprom}"
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mkRomsWithGrub "${tmprom}" "${initmode}" "${displaymode}" "seabios_withgrub"
|
|
cp "${corebootrom}" "${tmprom}"
|
|
mkRomsWithGrub "${tmprom}" "${initmode}" "${displaymode}" "seabios_grubfirst"
|
|
rm -f "${tmprom}"
|
|
fi
|
|
fi
|
|
|
|
if [ "${payload_grub}" = "y" ]; then
|
|
mkRomsWithGrub "${corebootrom}" "${initmode}" "${displaymode}" "grub"
|
|
fi
|
|
}
|
|
|
|
initmode="libgfxinit"
|
|
tianocoreRequiredDisplayMode="corebootfb"
|
|
for displaymode in corebootfb txtmode; do
|
|
cbcfgpath="resources/coreboot/${board}/config/${initmode}_${displaymode}"
|
|
mkRoms "${tianocoreRequiredDisplayMode}" "${cbcfgpath}" "${displaymode}" "${initmode}"
|
|
done
|
|
|
|
initmode="vgarom"
|
|
tianocoreRequiredDisplayMode="vesafb"
|
|
for displaymode in vesafb txtmode; do
|
|
cbcfgpath="resources/coreboot/${board}/config/${initmode}_${displaymode}"
|
|
mkRoms "${tianocoreRequiredDisplayMode}" "${cbcfgpath}" "${displaymode}" "${initmode}"
|
|
done
|
|
|
|
initmode="normal"
|
|
displaymode="txtmode"
|
|
tianocoreRequiredDisplayMode="unsupported"
|
|
cbcfgpath="resources/coreboot/${board}/config/${initmode}"
|
|
mkRoms "${tianocoreRequiredDisplayMode}" "${cbcfgpath}" "${displaymode}" "${initmode}"
|
|
|
|
(
|
|
cd "${cbdir}"
|
|
make distclean
|
|
)
|