lbmk/script/roms

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#!/usr/bin/env sh
# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (c) 2014-2016,2020-2021,2023-2024 Leah Rowe <leah@libreboot.org>
# Copyright (c) 2021-2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
# Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# Copyright (c) 2022-2023 Alper Nebi Yasak <alpernebiyasak@gmail.com>
# Copyright (c) 2023 Riku Viitanen <riku.viitanen@protonmail.com>
set -u -e
. "include/lib.sh"
seavgabiosrom="elf/seabios/default/libgfxinit/vgabios.bin"
cfgsdir="config/coreboot"
rp2040src="src/pico-serprog"
rp2040x="$rp2040src/build/pico_serprog.uf2"
picosdk="src/pico-sdk"
stm32src="src/stm32-vserprog"
stm32x="$stm32src/stm32-vserprog.hex"
tmpcfg="$tmpdir/tmpcfg"
# Disable all payloads by default.
# target.cfg files have to specifically enable [a] payload(s)
pv="payload_uboot payload_grub_withseabios payload_seabios payload_memtest t"
pv="$pv payload_seabios_withgrub payload_seabios_grubonly payload_grub"
v="romdir cbrom initmode displaymode cbcfg targetdir tree release ubootelf"
v="$v grub_timeout board grub_scan_disk uboot_config grubtree grubelf tmpmv"
eval "$(setvars "n" $pv)"
eval "$(setvars "" $v boards targets serprogdir ser)"
main()
{
while [ $# -gt 0 ]; do
[ "$1" = "list" ] && eval "x_ ls -1 config/coreboot; return 0"
[ "$1" = "serprog" ] && shift && eval "mkserprog $@; return 0"
[ "$1" = "all" ] && shift && continue
boards="$1 $boards"; shift 1
done
[ -n "$boards" ] || boards="$(ls -1 config/coreboot)" || \
$err "Cannot generate list of boards for building"
for x in $boards; do
[ -d "config/coreboot/$x/config" ] && configure_target "$x" \
&& build_board && [ -d "bin/$board" ] \
&& targets="$targets, $x"; continue
done
[ -z "$targets" ] && $err "No ROM images were compiled"
printf "Check these ROM directories in bin/: %s\n" "${targets#, }"
printf "DO NOT flash images from elf/ - use bin/ instead. ALSO:\n"
printf "%s\n" "$kbnotice"
}
mkserprog()
{
[ -z "${1+x}" ] && badcmd
[ "$1" != "rp2040" ] && [ "$1" != "stm32" ] && $err "bad command"
[ "$1" = "rp2040" ] && serprogdir="$picosdk/src/boards/include/boards"
[ "$1" = "stm32" ] && serprogdir="$stm32src/boards"
eval "[ -d \"\$${1}src\" ] || x_ ./update trees -f \"\${${1}src##*/}\""
x_ mkdir -p "bin/serprog_$1"
[ $# -gt 1 ] && [ "$2" = "list" ] && serlist "$serprogdir" && return 0
ser="$1" && shift
targets="$@" && [ -z "$targets" ] && targets="$(serlist "$serprogdir")"
for board in $targets; do
mkserprogfw "$ser" "$board"
done
[ "$xbmk_release" = "y" ] && mkrom_tarball "bin/serprog_$1"; return 0
}
mkserprogfw()
{
if [ "$1" = "rp2040" ]; then
x_ cmake -DPICO_BOARD="$2" -DPICO_SDK_PATH="$picosdk" \
-B "$rp2040src/build" "$rp2040src"
x_ cmake --build "$rp2040src/build"
else
x_ make -C "$stm32src" libopencm3-just-make BOARD=$2
x_ make -C "$stm32src" BOARD=$2
fi
eval "x_ mv \"\$${1}x\" \"bin/serprog_$1/serprog_$2.\${${1}x##*.}\""
printf "Look in bin/serprog_%s/ for images\n" "$1"
}
serlist()
{
basename -a -s .h "$1/"*.h || $err "$1: can't list boards"
}
configure_target()
{
eval "$(setvars "n" $pv) $(setvars "" $v)"
board="$1"
targetdir="$cfgsdir/$board"
[ -f "$targetdir/target.cfg" ] || $err "$board: target.cfg missing"
# Override the above defaults using target.cfg
. "$targetdir/target.cfg"
[ -z "$grub_scan_disk" ] && grub_scan_disk="nvme ahci ata"
[ -n "$grubtree" ] || grubtree="default"
grubelf="elf/grub/$grubtree/payload/grub.elf"
[ -z "$tree" ] && $err "$board: tree not defined"
[ "$payload_memtest" != "y" ] && payload_memtest="n"
[ "$(uname -m)" = "x86_64" ] || payload_memtest="n"
[ "$payload_grub_withseabios" = "y" ] && eval "$(setvars "y" \
payload_grub payload_seabios payload_seabios_withgrub)"
[ "$payload_seabios_withgrub" = "y" ] && payload_seabios="y"
[ "$payload_seabios_grubonly" = "y" ] && \
eval "$(setvars "y" payload_seabios payload_seabios_withgrub)"
# The reverse logic must not be applied. If SeaBIOS-with-GRUB works,
# that doesn't mean GRUB-with-SeaBIOS will, e.g. VGA ROM execution
[ "$payload_grub" != "y" ] && [ "$payload_seabios" != "y" ] && \
[ "$payload_uboot" != "y" ] && $err "'$board' defines no payload"
[ "$payload_uboot" = "y" ] || payload_uboot="n"
[ -n "$uboot_config" ] || uboot_config="default"
romdir="bin/$board"
cbdir="src/coreboot/$board"
[ "$board" = "$tree" ] || cbdir="src/coreboot/$tree"
cbfstool="elf/cbfstool/$tree/cbfstool"
cbrom="$cbdir/build/coreboot.rom"
[ -f "$cbfstool" ] || x_ ./update trees -b coreboot utils $tree
[ "$xbmk_release" = "y" ] && [ "$release" = "n" ] && return 1
[ "$board" = "$tree" ] && return 1; return 0
}
build_board()
{
x_ rm -Rf "$romdir"
for it in "normal" "vgarom" "libgfxinit"; do
initmode="$it"
hmode="vesafb"
[ "$initmode" = "vgarom" ] || hmode="corebootfb"
modes="$hmode txtmode"
for y in $modes; do
displaymode="$y"
[ "$initmode" = "normal" ] && \
[ "$displaymode" != "txtmode" ] && continue
cbcfg="$targetdir/config/${initmode}_$displaymode"
[ "$initmode" = "normal" ] && cbcfg="${cbcfg%_*}"
e "$cbcfg" f not || build_roms; x_ rm -f "$cbrom"
done
done
}
build_roms()
{
x_ ./update trees -b coreboot $board
_cbrom="$cbelfdir/$board/${initmode}_$displaymode"
[ "$initmode" = "normal" ] && _cbrom="${_cbrom%"_$displaymode"}"
_cbrom="$_cbrom/coreboot.rom"
cbrom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$_cbrom" "$cbrom"
[ "$payload_memtest" = "y" ] && x_ ./update trees -b memtest86plus && \
cbfs "$cbrom" "elf/memtest86plus/memtest.bin" img/memtest
[ "$payload_seabios" = "y" ] && build_seabios_roms
[ "$payload_grub" != "y" ] || build_grub_roms "$cbrom" "grub"
[ "$payload_uboot" = "y" ] || return 0
x_ cp "$_cbrom" "$cbrom"
build_uboot_roms
}
build_seabios_roms()
{
if [ "$payload_seabios_withgrub" = "y" ]; then
t="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$cbrom" "$t"
build_grub_roms "$t" "seabios_withgrub"
else
t="$(mkSeabiosRom "$cbrom" "fallback/payload")" || \
$err "build_seabios_roms: cannot build tmprom"
newrom="$romdir/seabios_${board}_${initmode}_$displaymode"
[ "$initmode" = "normal" ] && newrom="$romdir/seabios" \
&& newrom="${newrom}_${board}_$initmode"
cprom cp "$t" "$newrom.rom"
fi
x_ rm -f "$t"
}
# Make separate ROM images with GRUB payload
build_grub_roms()
{
tmprom="$1"
payload1="$2" # allow values: grub, seabios, seabios_withgrub
x_ ./update trees -b grub $grubtree
grub_cbfs="fallback/payload"
if [ "$payload1" = "grub" ] && [ "$payload_grub_withseabios" = "y" ]
then
tmpmv="$(mkSeabiosRom "$tmprom" "seabios.elf")" || \
$err "build_grub_roms 1 $board: can't build tmprom"
elif [ "$payload1" != "grub" ] && [ "$payload_seabios_withgrub" = "y" ]
then
grub_cbfs="img/grub2"
tmpmv="$(mkSeabiosRom "$tmprom" fallback/payload)" || \
$err "build_grub_roms 2 $board: can't build tmprom"
fi
[ -n "$tmpmv" ] && [ -f "$tmpmv" ] && x_ mv "$tmpmv" "$tmprom"
# we only need insert grub.elf once, for each coreboot config:
cbfs "$tmprom" "$grubelf" "$grub_cbfs"
printf "set grub_scan_disk=\"%s\"\n" "$grub_scan_disk" > "$tmpcfg" || \
$err "set grub_scan_disk, $grub_scan_disk, $tmpcfg"
cbfs "$tmprom" "$tmpcfg" scan.cfg raw
printf "set timeout=%s\n" "$grub_timeout" > "$tmpcfg" || $err "!time"
[ -z "$grub_timeout" ] || cbfs "$tmprom" "$tmpcfg" timeout.cfg raw
newrom="$romdir/${payload1}_${board}_${initmode}_$displaymode.rom"
[ "$initmode" = "normal" ] && newrom="$romdir/${payload1}_" \
&& newrom="$newrom${board}_$initmode.rom"
cprom cp "$tmprom" "$newrom"
if [ "$payload_seabios_withgrub" = "y" ] && \
[ "$payload1" != "grub" ]; then
cbfs "$tmprom" "$grubdata/bootorder" bootorder raw
cprom cp "$tmprom" "${newrom%.rom}_grubfirst.rom"
if [ "$payload_seabios_grubonly" = "y" ]; then
x_ "$cbfstool" "$tmprom" add-int -i 0 \
-n etc/show-boot-menu
cprom cp "$tmprom" "${newrom%.rom}_grubonly.rom"
fi
fi
}
# make a rom in /tmp/ and then print the path of that ROM
mkSeabiosRom() {
tmprom="$(mktemp -t coreboot_rom.XXXXXXXXXX)" # 1=cbrom, 2=cbfs path
_seabioself="elf/seabios/default/$initmode/bios.bin.elf"
x_ ./update trees -b seabios
x_ cp "$1" "$tmprom"
cbfs "$tmprom" "$_seabioself" "$2"
x_ "$cbfstool" "$tmprom" add-int -i 3000 -n etc/ps2-keyboard-spinup
z="2"; [ "$initmode" = "vgarom" ] && z="0"
x_ "$cbfstool" "$tmprom" add-int -i $z -n etc/pci-optionrom-exec
x_ "$cbfstool" "$tmprom" add-int -i 0 -n etc/optionroms-checksum
[ "$initmode" != "libgfxinit" ] || cbfs "$tmprom" "$seavgabiosrom" \
vgaroms/seavgabios.bin raw
printf "%s\n" "$tmprom"
}
build_uboot_roms()
{
x_ ./update trees -b u-boot $board
ubdir="elf/u-boot/$board/$uboot_config"
ubootelf="$ubdir/u-boot.elf" && [ ! -f "$ubootelf" ] && \
ubootelf="$ubdir/u-boot"
[ -f "$ubootelf" ] || $err "$board: Can't find u-boot"
tmprom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
newrom="$romdir/uboot_payload_${board}_${initmode}_$displaymode.rom"
x_ cp "$cbrom" "$tmprom"
cbfs "$tmprom" "$ubootelf" "fallback/payload"
cprom mv "$tmprom" "$newrom"
}
cprom()
{
printf "Creating target image: %s\n" "$3"
x_ mkdir -p "${3%/*}"
x_ $1 "$2" "$3"
[ "$xbmk_release" = "y" ] && mksha512sum "$3" "vendorhashes" && \
x_ ./vendor inject -r "$3" -b "$board" -n nuke; return 0
}
main $@