replace-edk2-logo.sh

replace-edk2-logo.sh

#!/bin/bash

# Example:
# cd edk2
# ../edk2-logo-replacement/replace-logo.sh ~/storage/dev/edk2-logo-replacement/out-alt/share/qemu/OVMF_CODE.4MB.fd ../edk2-logo-replacement/edk2-0002-logo-alt.bmp ../edk2-logo-replacement/output.4MB.fd
# ../edk2-logo-replacement/replace-logo.sh /usr/share/ovmf/OVMF.fd ../edk2-logo-replacement/edk2-0002-logo-alt.bmp ../edk2-logo-replacement/output.4MB.fd

set -ex

# must be run from edk2 tree
[ -f "edksetup.sh" ]

#cd ~/storage/dev/edk2

SOURCE_FD="$1"
shift
SOURCE_BMP="$1"
shift
TARGET_FD="$1"
shift

[ "${TARGET_FD}" != "${SOURCE_FD}" ]

rm -f "${TARGET_FD}"

cp "${SOURCE_BMP}" MdeModulePkg/Logo/Logo.bmp

# Arch-specific logic
ARCH="X64"
PKG="OvmfPkg/OvmfPkgX64.dsc"
if [ "$(uname -m)" = "aarch64" ]; then
    ARCH="AARCH64"
    PKG="ArmVirtPkg/ArmVirtQemu.dsc"
fi

# see edk2/MdeModulePkg/Logo/LogoDxe.inf
LOGO_DXE_GUID="F74D20EE-37E7-48FC-97F7-9B1047749C69"

. ./edksetup.sh
make -C BaseTools ARCH=${ARCH}
build -m MdeModulePkg/Logo/LogoDxe.inf \
      -a ${ARCH} -t GCC5 -b RELEASE -p ${PKG}

LOGO_DXE_FFS=Build/*/*/FV/Ffs/${LOGO_DXE_GUID}LogoDxe/${LOGO_DXE_GUID}.ffs

#file ${LOGO_DXE_FFS}

export PYTHONPATH=$(pwd)/BaseTools/Source/Python

# Extract the existing LogoDxe module from the firmware
# python3 BaseTools/Source/Python/FMMT/FMMT.py -e "${SOURCE_FD}" "${LOGO_DXE_GUID}" LogoDxe.extracted.ffs

# ls -lah LogoDxe.extracted.ffs
# ls -lah ${LOGO_DXE_FFS}

# Replace the LogoDxe module in the firmware
python3 BaseTools/Source/Python/FMMT/FMMT.py -r "${SOURCE_FD}" "${LOGO_DXE_GUID}" ${LOGO_DXE_FFS} "${TARGET_FD}"

# Ensure that we can unpack the modified firmware
# python3 BaseTools/Source/Python/FMMT/FMMT.py -v "${TARGET_FD}"