cbmk/script/roms
Leah Rowe 1d866d17d8 better help text on invalid commands
adding help again is a bad idea. code should never
document itself; that's what documentation is for.

so, make the code do a better job telling the user
where to find documentation.

Signed-off-by: Leah Rowe <leah@libreboot.org>
2024-06-03 11:09:39 +01:00

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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"
grub_background="background1280x800.png"
cfgsdir="config/coreboot"
picosrc="src/pico-serprog"
picosdk="src/pico-sdk"
stm32src="src/stm32-vserprog"
# 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="$pv payload_seabios_withgrub payload_seabios_grubonly payload_grub mt86bin"
v="romdir cbrom initmode displaymode cbcfg targetdir tree keymaps release"
v="$v grub_timeout ubdir board grub_scan_disk uboot_config grubtree grubelf"
eval "$(setvars "n" $pv serprog)"
eval "$(setvars "" $v boards _displaymode _payload _keyboard all targets \
serprog_boards_dir _scandisk)"
main()
{
while [ $# -gt 0 ]; do
case "$1" in
list) x_ items config/coreboot; return 0 ;;
serprog) serprog="y"; shift 1; break ;;
-d) _displaymode="$2" ;;
-p) _payload="$2" ;;
-k) _keyboard="$2" ;;
-s) _scandisk="$2" ;;
*)
[ "$1" = "all" ] && all="y"
boards="$1 $boards"
shift && continue ;;
esac
shift 2
done
if [ "$serprog" = "y" ]; then
handle_serprog $@; return 0
else
[ "$all" != "y" ] || boards="$(items config/coreboot)" || \
$err "Cannot generate list of boards for building"
for x in $boards; do
[ -d "config/coreboot/$x/config" ] && \
handle_coreboot_target "$x"; continue
done
fi
x="directories"
[ "$xbmk_release" = "y" ] && x="archives"
[ -z "$targets" ] && $err "No ROM images were compiled"
printf "\nROM images available in these %s:\n" "$x"
eval "printf \"$targets\""
printf "^^ ROM images available in these %s.\n\n" "$x"
printf "DO NOT flash images from elf/ - please use bin/ instead.\n"
}
handle_serprog()
{
[ -z "${1+x}" ] && badcmd
[ "$1" != "rp2040" ] && [ "$1" != "stm32" ] && $err "bad command"
if [ "$1" = "rp2040" ]; then
serprog_boards_dir="$picosdk/src/boards/include/boards"
[ -d "$picosrc" ] || x_ ./update trees -f "pico-serprog"
elif [ "$1" = "stm32" ]; then
serprog_boards_dir="$stm32src/boards"
[ -d "$stm32src" ] || x_ ./update trees -f "stm32-vserprog"
fi
x_ mkdir -p "bin/serprog_$1"
if [ $# -gt 1 ] && [ "$2" = "list" ]; then
list_serprog_boards "$serprog_boards_dir"
return 0
elif [ $# -gt 1 ]; then
build_${1}_rom "$2"
else
list_serprog_boards "$serprog_boards_dir" | \
while read -r board; do
build_${1}_rom "$board"
done
fi
[ "$xbmk_release" = "y" ] && mkrom_tarball "bin/serprog_$1"; return 0
}
build_rp2040_rom()
{
board="$1"
printf "Building pico-serprog for %s\n" "$board"
x_ cmake -DPICO_BOARD="$board" -DPICO_SDK_PATH="$picosdk" \
-B "$picosrc/build" "$picosrc"
x_ cmake --build "$picosrc/build"
x_ mv "$picosrc/build/pico_serprog.uf2" \
"bin/serprog_rp2040/serprog_$board.uf2"
printf "output to bin/serprog_rp2040/serprog_%s.uf2\n" "$board"
}
build_stm32_rom()
{
board="$1"
printf "Building stm32-vserprog for %s\n" "$board"
x_ make -C "$stm32src" libopencm3-just-make BOARD=$board
x_ make -C "$stm32src" BOARD=$board
x_ mv "$stm32src/stm32-vserprog.hex" \
"bin/serprog_stm32/serprog_$board.hex"
printf "output to bin/serprog_stm32/serprog_%s.hex\n" "$board"
}
list_serprog_boards()
{
basename -a -s .h "$1/"*.h || $err "$1: can't list boards"
}
handle_coreboot_target()
{
eval "$(setvars "n" $pv) $(setvars "" $v)"
grub_background="background1280x800.png"
board="$1"
configure_target
[ "$board" = "$tree" ] && return 0
[ "$xbmk_release" = "y" ] && [ "$release" = "n" ] && return 0
build_payloads
build_target_mainboard
[ -d "bin/$board" ] || return 0
[ "$xbmk_release" = "y" ] || targets="* bin/$board\n$targets"
[ "$xbmk_release" = "y" ] && mkrom_tarball "bin/$board" && \
targets="* bin/${relname}_$board.tar.xz\n$targets"; return 0
}
configure_target()
{
targetdir="$cfgsdir/$board"
[ -f "$targetdir/target.cfg" ] || $err "$board: target.cfg missing"
# Override the above defaults using target.cfg
. "$targetdir/target.cfg"
[ -n "$_scandisk" ] && grub_scan_disk="$_scandisk"
[ -z "$grub_scan_disk" ] && grub_scan_disk="nvme ahci ata"
_ata=""
_ahci=""
_nvme=""
_grub_scan_disk=""
for _disk in $grub_scan_disk; do
[ "$_disk" != "nvme" ] && [ "$_disk" != "ahci" ] && \
[ "$_disk" != "ata" ] && _grub_scan_disk="nvme ahci ata" \
&& break
[ -n "$_ata" ] && [ "$_disk" = "ata" ] && continue
[ -n "$_ahci" ] && [ "$_disk" = "ahci" ] && continue
[ -n "$_nvme" ] && [ "$_disk" = "nvme" ] && continue
eval "_$_disk=\"$_disk\""
_grub_scan_disk="$_grub_scan_disk $_disk"
done
[ -z "$_grub_scan_disk" ] && _grub_scan_disk="nvme ahci ata"
grub_scan_disk="${_grub_scan_disk# }"
[ -n "$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"
[ "$payload_grub_withseabios" = "y" ] && payload_grub="y"
[ "$payload_grub_withseabios" = "y" ] && \
eval "$(setvars "y" payload_seabios payload_seabios_withgrub)"
[ "$payload_seabios_withgrub" = "y" ] && payload_seabios="y"
[ "$payload_seabios_grubonly" = "y" ] && payload_seabios="y"
[ "$payload_seabios_grubonly" = "y" ] && payload_seabios_withgrub="y"
# 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"
[ "$payload_uboot" != "n" ] && [ "$payload_uboot" != "y" ] && \
payload_uboot="n"
[ "$payload_uboot" = "y" ] && [ -z "$uboot_config" ] && \
uboot_config="default"
# Override all payload directives with cmdline args
[ -z "$_payload" ] && return 0
eval "$(setvars "n" payload_grub payload_memtest payload_seabios \
payload_seabios_withgrub payload_uboot payload_grub_withseabios \
payload_seabios_grubonly)"
eval "payload_$_payload=y"
}
build_payloads()
{
romdir="bin/$board"
cbdir="src/coreboot/$board"
[ "$board" = "$tree" ] || cbdir="src/coreboot/$tree"
cbfstool="cbutils/$tree/cbfstool"
cbrom="$cbdir/build/coreboot.rom"
[ -f "$cbfstool" ] || x_ ./update trees -b coreboot utils $tree
mt86bin="memtest86plus/build64/memtest.bin"
[ "$payload_memtest" != "y" ] || [ -f "src/$mt86bin" ] || \
x_ ./update trees -b memtest86plus
[ "$payload_seabios" = "y" ] && x_ ./update trees -b seabios
if [ "$payload_grub" = "y" ] || [ "$payload_seabios_withgrub" = "y" ] \
|| [ "$payload_seabios_grubonly" = "y" ]; then build_grub_payload
fi
[ "$payload_uboot" = "y" ] && build_uboot_payload; return 0
}
build_grub_payload()
{
for keymapfile in "$grubdata/keymap/"*.gkb; do
[ -f "$keymapfile" ] && keymaps="$keymaps $keymapfile"
done
[ -z "$_keyboard" ] || [ -f "$grubdata/keymap/$_keyboard.gkb" ] || \
$err "build_grub_payload: $_keyboard layout not defined"
[ -n "$_keyboard" ] && keymaps="$grubdata/keymap/$_keyboard.gkb"
[ -f "$grubelf" ] || x_ ./update trees -b grub $grubtree; return 0
}
build_uboot_payload()
{
x_ ./update trees -b u-boot $board
ubdir="elf/u-boot/$board/$uboot_config"
ubootelf="$ubdir/u-boot.elf"
[ ! -f "$ubootelf" ] && [ -f "$ubdir/u-boot" ] && \
ubootelf="$ubdir/u-boot"
[ -f "$ubootelf" ] || $err "$board: Can't find u-boot"; return 0
}
build_target_mainboard()
{
x_ rm -Rf "$romdir"
for x in "normal" "vgarom" "libgfxinit"; do
initmode="$x"
hmode="vesafb"
[ "$initmode" = "vgarom" ] || hmode="corebootfb"
modes="$hmode txtmode"
[ -z "$_displaymode" ] || modes="$_displaymode"
for y in $modes; do
displaymode="$y"
[ "$initmode" = "normal" ] && \
[ "$displaymode" != "txtmode" ] && continue
cbcfg="$targetdir/config/${initmode}_$displaymode"
[ "$initmode" = "normal" ] && cbcfg="${cbcfg%_*}"
build_roms "$cbcfg"; x_ rm -f "$cbrom"
done
done
}
build_roms()
{
cbcfg="$1"
e "$cbcfg" f not && return 0
x_ ./update trees -b coreboot $board
_cbrom="elf/coreboot_nopayload_DO_NOT_FLASH"
_cbrom="$_cbrom/$board/${initmode}_$displaymode"
[ "$initmode" = "normal" ] && _cbrom="${_cbrom%"_$displaymode"}"
_cbrom="$_cbrom/coreboot.rom"
cbrom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$_cbrom" "$cbrom"
[ "$payload_memtest" != "y" ] || x_ "$cbfstool" "$cbrom" add-payload \
-f "src/$mt86bin" -n img/memtest -c lzma
[ "$payload_seabios" = "y" ] && build_seabios_roms
[ "$payload_grub" != "y" ] || x_ 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"
x_ 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"
x_ cprom "$t" "$newrom.rom"
fi
x_ rm -f "$t"
}
# Make separate ROM images with GRUB payload, for each supported keymap
build_grub_roms()
{
tmprom="$1"
payload1="$2" # allow values: grub, seabios, seabios_withgrub
grub_cbfs="fallback/payload"
if [ "$payload1" = "grub" ] && [ "$payload_grub_withseabios" = "y" ]
then
_tmpmvrom="$(mkSeabiosRom "$tmprom" "seabios.elf")" || \
$err "build_grub_roms 1 $board: can't build tmprom"
x_ mv "$_tmpmvrom" "$tmprom"
elif [ "$payload1" != "grub" ] && [ "$payload_seabios_withgrub" = "y" ]
then
grub_cbfs="img/grub2"
_tmpmvrom="$(mkSeabiosRom "$tmprom" fallback/payload)" || \
$err "build_grub_roms 2 $board: can't build tmprom"
x_ mv "$_tmpmvrom" "$tmprom"
fi
# we only need insert grub.elf once, for each coreboot config:
x_ "$cbfstool" "$tmprom" add-payload -f "$grubelf" \
-n "$grub_cbfs" -c lzma
# we only need insert background.png once, for each coreboot config:
if [ "$displaymode" = "vesafb" ] || \
[ "$displaymode" = "corebootfb" ]; then
backgroundfile="$grubdata/background/$grub_background"
"$cbfstool" "$tmprom" add -f "$backgroundfile" -n \
background.png -t raw || $err "!bg, $backgroundfile"
fi
tmpcfg="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
printf "set grub_scan_disk=\"%s\"\n" "$grub_scan_disk" > "$tmpcfg" || \
$err "set grub_scandisk, $grub_scan_disk, $tmpcfg"
x_ "$cbfstool" "$tmprom" add -f "$tmpcfg" -n scan.cfg -t raw
printf "set timeout=%s\n" "$grub_timeout" > "$tmpcfg" || \
$err "set timeout, $grub_timeout, $tmpcfg"
[ -z "$grub_timeout" ] || x_ "$cbfstool" "$tmprom" add \
-f "$tmpcfg" -n timeout.cfg -t raw
x_ rm -f "$tmpcfg"
for keymapfile in $keymaps; do
[ -f "$keymapfile" ] || continue
keymap="${keymapfile##*/}"
keymap="${keymap%.gkb}"
tmpgrubrom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$tmprom" "$tmpgrubrom"
x_ "$cbfstool" "$tmpgrubrom" add -f "$keymapfile" \
-n keymap.gkb -t raw
newrom="$romdir/${payload1}_${board}_${initmode}_"
newrom="$newrom${displaymode}_$keymap.rom"
[ "$initmode" = "normal" ] && newrom="$romdir/${payload1}_" \
&& newrom="$newrom${board}_${initmode}_$keymap.rom"
x_ cprom "$tmpgrubrom" "$newrom"
if [ "$payload_seabios_withgrub" = "y" ] && \
[ "$payload1" != "grub" ]; then
x_ "$cbfstool" "$tmpgrubrom" add \
-f "$grubdata/bootorder" -n bootorder -t raw
x_ cprom "$tmpgrubrom" "${newrom%.rom}_grubfirst.rom"
if [ "$payload_seabios_grubonly" = "y" ]; then
x_ "$cbfstool" "$tmpgrubrom" add-int -i 0 \
-n etc/show-boot-menu
x_ cprom "$tmpgrubrom" \
"${newrom%.rom}_grubonly.rom"
fi
fi
x_ rm -f "$tmpgrubrom"
done
}
# make a rom in /tmp/ and then print the path of that ROM
mkSeabiosRom() {
_cbrom="$1" # rom to insert seabios in. will not be touched
# (a tmpfile will be made instead)
_seabios_cbfs_path="$2" # e.g. fallback/payload
_seabioself="elf/seabios/default/$initmode/bios.bin.elf"
tmprom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$_cbrom" "$tmprom"
x_ "$cbfstool" "$tmprom" add-payload -f "$_seabioself" \
-n "$_seabios_cbfs_path" -c lzma
x_ "$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" ] || x_ "$cbfstool" "$tmprom" add -f \
"$seavgabiosrom" -n vgaroms/seavgabios.bin -t raw
printf "%s\n" "$tmprom"
}
build_uboot_roms()
{
tmprom="$(mkUbootRom "$cbrom" "fallback/payload")" || \
$err "build_uboot_roms $board: could not create tmprom"
newrom="$romdir/uboot_payload_${board}_${initmode}_$displaymode.rom"
x_ cprom "$tmprom" "$newrom"
x_ rm -f "$tmprom"
}
# make a rom in /tmp/ and then print the path of that ROM
mkUbootRom() {
_cbrom="$1"
_uboot_cbfs_path="$2"
_ubdir="elf/u-boot/$board/$uboot_config"
_ubootelf="$_ubdir/u-boot.elf"
[ -f "$_ubootelf" ] || _ubootelf="$_ubdir/u-boot"
[ -f "$_ubootelf" ] || $err "mkUbootRom: $board: cant find u-boot"
tmprom="$(mktemp -t coreboot_rom.XXXXXXXXXX)"
x_ cp "$_cbrom" "$tmprom"
x_ "$cbfstool" "$tmprom" add-payload -f "$_ubootelf" \
-n "$_uboot_cbfs_path" -c lzma
printf "%s\n" "$tmprom"
}
cprom()
{
printf "Creating target image: %s\n" "$2"
x_ mkdir -p "${2%/*}"
x_ cp "$1" "$2"
}
main $@