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-rw-r--r--include/fw/rom.sh460
1 files changed, 460 insertions, 0 deletions
diff --git a/include/fw/rom.sh b/include/fw/rom.sh
new file mode 100644
index 00000000..5bd1c70c
--- /dev/null
+++ b/include/fw/rom.sh
@@ -0,0 +1,460 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Copyright (c) 2014-2016,2020-2021,2023-2025 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) 2023-2024 Riku Viitanen <riku.viitanen@protonmail.com>
+
+grubdata="config/data/grub"
+
+buildser()
+{
+ if [ "$1" = "pico" ]; then
+ x_ cmake -DPICO_BOARD="$2" \
+ -DPICO_SDK_PATH="$picosdk" -B "$sersrc/build" "$sersrc"
+ x_ cmake --build "$sersrc/build"
+ elif [ "$1" = "stm32" ]; then
+ x_ make -C "$sersrc" libopencm3-just-make BOARD=$2
+ x_ make -C "$sersrc" BOARD=$2
+ fi
+
+ x_ mkdir -p "bin/serprog_$1"
+ x_ mv "$serx" "bin/serprog_$1/serprog_$2.${serx##*.}"
+}
+
+copyps1bios()
+{
+ remkdir "bin/playstation"
+ x_ cp src/pcsx-redux/default/src/mips/openbios/openbios.bin \
+ bin/playstation
+
+ printf "MIT License\n\nCopyright (c) 2019-2025 PCSX-Redux authors\n\n" \
+ > bin/playstation/COPYING.txt || \
+ err "can't write PCSX Redux copyright info" "copyps1bios" "$@"
+
+ x_ cat config/snippet/mit >>bin/playstation/COPYING.txt || \
+ err "can't copy MIT license snippet" "copyps1bios" "$@"
+}
+
+mkpayload_grub()
+{
+ eval "`newvar grub_modules grub_install_modules`"
+
+ . "$grubdata/module/$tree" || \
+ err "Can't read '$grubdata/module/$tree'" "mkpayload_grub" "$@"
+
+ x_ rm -f "$srcdir/grub.elf"
+
+ x_ "$srcdir/grub-mkstandalone" \
+ --grub-mkimage="$srcdir/grub-mkimage" \
+ -O i386-coreboot -o "$srcdir/grub.elf" -d "${srcdir}/grub-core/" \
+ --fonts= --themes= --locales= --modules="$grub_modules" \
+ --install-modules="$grub_install_modules" \
+ "/boot/grub/grub_default.cfg=$grubdata/cfg/$tree.config" \
+ "/boot/grub/grub.cfg=$grubdata/memdisk.cfg"; :
+}
+
+corebootpremake()
+{
+ [ "$XBMK_RELEASE" = "y" ] && [ "$release" = "n" ] && \
+ return 0
+
+ [ "$XBMK_RELEASE" = "y" ] && \
+ payload_edk2="" # source-only payload, for now.
+
+ forx 'check_coreboot_util %s' cbfstool ifdtool
+
+ printf "%s\n" "${version%%-*}" > "$srcdir/.coreboot-version" || \
+ err "!mk $srcdir .coreboot-version" "corebootpremake" "$@"
+
+ [ "$target" != "$tree" ] && \
+ x_ "$mk" download "$target"; :
+}
+
+cook_coreboot_config()
+{
+ [ -n "$mode" ] && return 0
+ [ -f "$srcdir/$cfgname" ] || return 0
+
+ [ -n "$payload_edk2" ] && \
+ cook_coreboot_smmstore
+
+ x_ make -C "$srcdir" oldconfig
+}
+
+cook_coreboot_smmstore()
+{
+ # Enable SMMSTORE-related options for EDK2 variable storage.
+ # Because edk2 is source-only (release=n) in lbmk, we don't
+ # enable this in the configs themselves. Instead, we add it
+ # when building a board with EDK2 support in lbmk.git
+
+ # TODO: this relpaces the option backend. i need to make
+ # coreboot always use a cbfs backend, and set all
+ # boards universally that way, before starting edk2
+
+ ecfg="CONFIG_SMMSTORE_BLOCK_SIZE=65536 \
+ CONFIG_DRIVERS_EFI_VARIABLE_STORE=y \
+ CONFIG_SMMSTORE=y \
+ CONFIG_SMMSTORE_SIZE=0x80000 \
+ CONFIG_SPI_FLASH_SMM=y \
+ CONFIG_DRIVERS_GENERIC_CFR_ASSET_TAG=y \
+ CONFIG_USE_UEFI_VARIABLE_STORE=y" # replace option backend
+
+ for ecfgval in $ecfg; do
+ printf "%s\n" "$ecfgval" >> "$srcdir/$cfgname"
+ done
+}
+
+check_coreboot_util()
+{
+ e "elf/coreboot/$tree/$1" f && \
+ return 0
+
+ utilelfdir="elf/coreboot/$tree"
+ utilsrcdir="src/coreboot/$tree/util/$1"
+
+ utilmode=""
+ [ -n "$mode" ] && \
+ utilmode="clean"
+
+ x_ make -C "$utilsrcdir" $utilmode -j$XBMK_THREADS $makeargs
+
+ if [ -n "$mode" ]; then
+ x_ rm -Rf "$utilelfdir"
+ return 0
+ elif [ -n "$mode" ] || [ -f "$utilelfdir/$1" ]; then
+ return 0
+ fi
+
+ x_ mkdir -p "$utilelfdir"
+ x_ cp "$utilsrcdir/$1" "$utilelfdir"
+
+ [ "$1" = "cbfstool" ] && \
+ x_ cp "$utilsrcdir/rmodtool" "$utilelfdir"; :
+}
+
+coreboot_pad_one_byte()
+{
+ [ "$XBMK_RELEASE" = "y" ] && [ "$release" = "n" ] && \
+ return 0
+
+ $if_not_skip_build pad_one_byte "$srcdir/build/coreboot.rom"
+}
+
+mkcorebootbin()
+{
+ [ "$XBMK_RELEASE" = "y" ] && [ "$release" = "n" ] && \
+ return 0
+
+ for y in "$defscan"/*; do
+ buildcfg="$y"
+ $if_not_skip_build mkcorebootbin_real
+ done
+
+ $if_not_skip_build mkcoreboottar
+}
+
+mkcorebootbin_real()
+{
+ [ "$target" = "$tree" ] && return 0
+
+ tmprom="$xbtmp/coreboot.rom"
+
+ initmode="${buildcfg##*/}"
+ displaymode="${initmode##*_}"
+ if [ "$displaymode" = "$initmode" ]; then
+ # blank it for "normal" or "fspgop" configs:
+
+ displaymode=""
+ fi
+ initmode="${initmode%%_*}"
+ cbfstool="elf/coreboot/$tree/cbfstool"
+
+ # cbfstool option backends, if they exist
+ cbfscfg="config/module/coreboot/$target/cbfs.cfg"
+
+ elfrom="elf/coreboot/$tree/$target/$initmode"
+ [ -n "$displaymode" ] && \
+ elfrom="${elfrom}_$displaymode"
+ elfrom="$elfrom/coreboot.rom"
+
+ [ -n "$payload_uboot" ] && [ "$payload_uboot" != "amd64" ] && \
+ [ "$payload_uboot" != "i386" ] && [ "$payload_uboot" != "arm64" ] \
+ && err "'$target' defines bad u-boot type '$payload_uboot'" \
+ "mkcorebootbin_real" "$@"
+
+ [ -n "$payload_uboot" ] && [ "$payload_uboot" != "arm64" ] && \
+ payload_seabios="y"
+
+ [ -z "$uboot_config" ] && \
+ uboot_config="default"
+ [ "$payload_grub" = "y" ] && \
+ payload_seabios="y"
+ [ "$payload_seabios" = "y" ] && [ "$payload_uboot" = "arm64" ] && \
+ err "$target: U-Boot arm / SeaBIOS/GRUB both enabled" \
+ "mkcorebootbin_real" "$@"
+
+ [ -z "$grub_scan_disk" ] && \
+ grub_scan_disk="nvme ahci ata"
+ [ -z "$grubtree" ] && \
+ grubtree="default"
+ grubelf="elf/grub/$grubtree/$grubtree/noconfig/grub.elf"
+
+ [ "$payload_memtest" != "y" ] && \
+ payload_memtest="n"
+ [ "$(uname -m)" != "x86_64" ] && \
+ payload_memtest="n"
+
+ [ "$payload_grubsea" = "y" ] && [ "$initmode" = "normal" ] && \
+ payload_grubsea="n"
+ [ "$payload_grub" != "y" ] && \
+ payload_grubsea="n"
+
+ if [ "$initmode" != "libgfxinit" ] || \
+ [ "$displaymode" != "corebootfb" ]; then
+ [ "$initmode" != "fspgop" ] && [ "$initmode" != "normal" ] && \
+ payload_edk2="" # disable on txtmode
+ fi
+
+ $if_not_skip_build prep_tmprom
+
+ if grep "CONFIG_PAYLOAD_NONE=y" "$buildcfg"; then
+ if [ -n "$payload_edk2" ]; then
+ pname="edk2"
+ $if_not_skip_build add_edk2 "fallback/payload"
+ $if_not_skip_build cprom # standalone edk2
+
+ $if_not_skip_build prep_tmprom
+ fi
+ if [ "$payload_seabios" = "y" ]; then
+ pname="seabios"
+ $if_not_skip_build add_seabios
+ fi
+ if [ "$payload_uboot" = "arm64" ]; then
+ pname="uboot"
+ $if_not_skip_build add_uboot "" fallback/payload \
+ default "$target" u-boot.elf
+ fi
+ else
+ pname="custom"
+ $if_not_skip_build cprom
+ fi; :
+}
+
+prep_tmprom()
+{
+ x_ cp "$elfrom" "$tmprom"
+ unpad_one_byte "$tmprom"
+
+ [ -f "$cbfscfg" ] && \
+ dx_ add_cbfs_option "$cbfscfg"; :
+}
+
+# options for cbfs backend (as opposed to nvram/smmstore):
+
+add_cbfs_option()
+{
+ op_name="`printf "%s\n" "$1" | awk '{print $1}'`"
+ op_arg="`printf "%s\n" "$1" | awk '{print $2}'`"
+
+ if [ -z "$op_name" ] || [ -z "$op_arg" ]; then
+ return 0
+ fi
+
+ ( x_ "$cbfstool" "$tmprom" remove -n "option/$op_name" 1>/dev/null \
+ 2>/dev/null ) || :
+
+ x_ "$cbfstool" "$tmprom" add-int -i "$op_arg" -n "option/$op_name"
+}
+
+add_edk2()
+{
+ edk2dir="elf/coreboot/default/$payload_edk2"
+ edk2="$edk2dir/libgfxinit_corebootfb/UEFIPAYLOAD.fd"
+
+ cbfs "$tmprom" "$edk2" "$1"
+}
+
+# in our design, SeaBIOS is also responsible for starting either
+# a GRUB or U-Boot payload. this is because SeaBIOS is generally
+# a more reliable codebase, so it's less likely to cause a brick
+# during testing and development, or user configuration. if one
+# of the u-boot or grub payloads fails, the user still has a
+# functional SeaBIOS setup to fall back on. watch:
+
+add_seabios()
+{
+ [ -n "$payload_uboot" ] && [ "$payload_uboot" != "arm64" ] && \
+ [ "$displaymode" != "txtmode" ] && [ "$initmode" != "normal" ] && \
+ add_uboot_x86 # u-boot first, due to fixed cbfs offset
+
+ _seabioself="elf/seabios/default/build/$initmode/bios.bin.elf"
+ [ "$initmode" = "fspgop" ] && \
+ _seabioself="elf/seabios/default/build/libgfxinit/bios.bin.elf"
+
+ _seaname="fallback/payload"
+ [ "$payload_grubsea" = "y" ] && \
+ _seaname="seabios.elf"
+
+ cbfs "$tmprom" "$_seabioself" "$_seaname"
+
+ x_ "$cbfstool" "$tmprom" add-int -i 3000 -n etc/ps2-keyboard-spinup
+
+ opexec="2"
+ [ "$initmode" = "vgarom" ] && \
+ opexec="0"
+ x_ "$cbfstool" "$tmprom" add-int -i $opexec -n etc/pci-optionrom-exec
+
+ x_ "$cbfstool" "$tmprom" add-int -i 0 -n etc/optionroms-checksum
+ if [ "$initmode" = "libgfxinit" ] || [ "$initmode" = "fspgop" ]; then
+ cbfs "$tmprom" "$seavgabiosrom" vgaroms/seavgabios.bin raw
+ fi
+
+ [ "$payload_memtest" = "y" ] && \
+ cbfs "$tmprom" \
+ "elf/memtest86plus/default/default/noconfig/memtest.bin" \
+ img/memtest
+
+ [ "$payload_grub" = "y" ] && \
+ add_grub
+
+ [ -n "$payload_edk2" ] && \
+ add_edk2 "img/edk2"
+
+ [ "$payload_grubsea" != "y" ] && \
+ cprom # seabios, but don't load grub/u-boot first
+
+ # now make seauboot(u-boot loaded by seabios) and SeaGRUB (GRUB loaded
+ # by SeaBIOS) images; users can bypass via ESC to boot from SeaBIOS
+
+ if [ "$payload_uboot" = "amd64" ] && \
+ [ "$displaymode" != "txtmode" ] && \
+ [ "$initmode" != "normal" ] && [ "$payload_grubsea" != "y" ]; then
+ pname="seauboot"
+ cprom "seauboot"
+ fi
+
+ if [ "$payload_grub" = "y" ]; then
+ pname="seagrub"
+ mkseagrub
+ fi
+}
+
+add_grub()
+{
+ # path in CBFS for the GRUB payload
+ _grubname="img/grub2"
+ [ "$payload_grubsea" = "y" ] && \
+ _grubname="fallback/payload"
+
+ cbfs "$tmprom" "$grubelf" "$_grubname"
+
+ printf "set grub_scan_disk=\"%s\"\n" "$grub_scan_disk" \
+ > "$xbtmp/tmpcfg" || \
+ err "$target: !insert scandisk" "add_grub" "$@"
+
+ cbfs "$tmprom" "$xbtmp/tmpcfg" scan.cfg raw
+
+ [ "$initmode" != "normal" ] && [ "$displaymode" != "txtmode" ] && \
+ cbfs "$tmprom" "$grubdata/background/background1280x800.png" \
+ "background.png" raw; :
+}
+
+mkseagrub()
+{
+ if [ "$payload_grubsea" = "y" ]; then
+ pname="grub"
+ else
+ cbfs "$tmprom" "$grubdata/bootorder" bootorder raw
+ fi
+
+ fx_ cprom x_ find "$grubdata/keymap" -type f -name "*.gkb"
+}
+
+add_uboot_x86()
+{
+ [ "$payload_uboot" = "amd64" ] && \
+ add_uboot "-l 0x1110000 -e 0x1110000" "img/u-boot" \
+ "x86_64" "amd64coreboot" "u-boot-x86-with-spl.bin"
+ [ "$payload_uboot" = "i386" ] && \
+ add_uboot "-l 0x1110000 -e 0x1110000" "u-boot" "x86" \
+ "i386coreboot" "u-boot-dtb.bin"; :
+}
+
+add_uboot()
+{
+ ubootelf="elf/u-boot/$3/$4/$uboot_config/$5"
+ [ ! -f "$ubootelf" ] && \
+ ubootelf="${ubootelf%.elf}" # hack (fix arm64 build)
+
+ cbfs "$tmprom" "$ubootelf" "$2" $1
+ [ "$payload_seabios" != "y" ] && \
+ cprom; :
+}
+
+# prepare the final image in bin/ for user installation:
+cprom()
+{
+ cpcmd="cp"
+
+ tmpnew=""
+ newrom="bin/$target/${pname}_${target}_$initmode.rom"
+
+ [ -n "$displaymode" ] && \
+ newrom="${newrom%.rom}_$displaymode.rom"
+ if [ $# -gt 0 ] && [ "${1%.gkb}" != "$1" ]; then
+ tmpnew="${1##*/}"
+ newrom="${newrom%.rom}_${tmpnew%.gkb}.rom"
+ fi
+
+ irom="$tmprom"
+
+ if [ $# -gt 0 ]; then
+ irom="$(mktemp || err "!mk irom, $(echo "$@")")" || \
+ err "can't copy rom" "cprom" "$@"
+
+ x_ cp "$tmprom" "$irom" && cpcmd="mv"
+
+ if [ "${1%.gkb}" != "$1" ]; then
+ cbfs "$irom" "$grubdata/keymap/$tmpnew" keymap.gkb raw
+ elif [ "$1" = "seauboot" ]; then
+ cbfs "$irom" "$grubdata/bootorder_uboot" bootorder raw
+ fi
+ fi
+
+ printf "Creating new %s image: '%s'\n" "$projectname" "$newrom"
+
+ x_ mkdir -p "bin/$target"
+ x_ $cpcmd "$irom" "$newrom"
+}
+
+cbfs()
+{
+ ccmd="add-payload"
+ lzma="-c lzma"
+
+ if [ $# -gt 3 ] && [ $# -lt 5 ]; then
+ ccmd="add"
+ lzma="-t $4"
+ elif [ $# -gt 4 ] && [ "$5" = "0x1110000" ]; then
+ ccmd="add-flat-binary" && \
+ lzma="-c lzma -l 0x1110000 -e 0x1110000"
+ fi
+
+ x_ "$cbfstool" "$1" $ccmd -f "$2" -n "$3" $lzma
+}
+
+# for release files:
+
+mkcoreboottar()
+{
+ if [ "$target" = "$tree" ] || [ "$XBMK_RELEASE" != "y" ] || \
+ [ "$release" = "n" ]; then
+ return 0
+ fi
+
+ mkrom_tarball "bin/$target"
+ x_ "$mk" inject "bin/${relname}_${target}.tar.xz" nuke
+}
generated by cgit v1.2.1 (git 2.18.0) at 2026-09-23 10:28:53 +0000