linux-wiki/coreboot/arch_coreboot.txt

sudo pacman -S base-devel curl git gcc-ada ncurses zlib nasm sharutils unzip flashrom
git clone https://review.coreboot.org/coreboot 
git submodule update --init --checkout
cd coreboot/util/ifdtool && make
./ifdtool -x original.rom
make crossgcc-i386 CPUS=4

for ChromeOS (T440p)
cd coreboot
make -C util/cbfstool
cd util/chromeos
./crosfirmware.sh peppy
../cbfstool/cbfstool coreboot-*.bin extract -f mrc.bin -n mrc.bin -r RO_SECTION


Extract VGA BIOS - UEFITool
git clone https://github.com/LongSoft/UEFITool.git
cd ./UEFITool

Build UEFITool
/usr/lib/x86_64-linux-gnu/qt5/bin/qmake /uefitool.pro
make release

Launch UEFITool

    Open the bios file (original_bios.bin) - File -> Open image file…
    Search for text "VGA Compatible BIOS" (uncheck unicode) - File -> Search
    Double click search the search result. This will highlight the raw section.
    Right click highlighted raw section and select Extract Body.... Save the extracted file. This is your extracted vga bios - 'vga_bios.img'.

Desabilitar Intel_ME
me_cleaner
python me_cleaner.py -S -O modified_image.bin original_dump.bin