# Copyright 2018 Marc-Antoine Perennou <keruspe@exherbo.org>
# Distributed under the terms of the GNU General Public License v2

require github [ user=tianocore project=edk2 tag=edk2-stable${PV:0:6} ]

SUMMARY="A modern, feature-rich, cross-platform firmware development environment for the UEFI"
HOMEPAGE+=" https://www.tianocore.org/tianocore-wiki.github.io/"

# See submodules in https://github.com/tianocore/edk2/blob/master/.gitmodules
OPENSSL_VERSION="3.5.1"
MBEDTLS_VERSION="3.6.6"
BROTLI_COMMIT="e230f474b87134e8c6c85b630084c612057f253e"
PUBLIC_MIPI_SYS_T_COMMIT="370b5944c046bab043dd8b133727b2135af7747a"
LIBSPDM_COMMIT="1be116c7b7713fa9003e1bd53b53a34758549eb9"
DOWNLOADS+="
    https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz
    https://github.com/Mbed-TLS/mbedtls/releases/download/mbedtls-${MBEDTLS_VERSION}/mbedtls-${MBEDTLS_VERSION}.tar.bz2
    https://github.com/google/brotli/archive/${BROTLI_COMMIT}.tar.gz
    https://github.com/MIPI-Alliance/public-mipi-sys-t/archive/${PUBLIC_MIPI_SYS_T_COMMIT}.tar.gz
    https://github.com/DMTF/libspdm/archive/${LIBSPDM_COMMIT}.tar.gz
"

LICENCES="BSD-2"
SLOT="0"
PLATFORMS="~amd64"
MYOPTIONS=""

DEPENDENCIES="
    build:
        dev-lang/python:*[>=3.0]
        dev-lang/nasm
        sys-power/iasl
"

OVMF_ARCH="X64"
OVMF_BUILD="RELEASE"

src_prepare() {
    default

    # openssl
    local openssl_dir=CryptoPkg/Library/OpensslLib/openssl
    edo rmdir ${openssl_dir}
    edo ln -s "${WORKBASE}"/openssl-${OPENSSL_VERSION} ${openssl_dir}

    # mbedtls
    local mbedtls_dir=CryptoPkg/Library/MbedTlsLib/mbedtls
    edo rmdir ${mbedtls_dir}
    edo ln -s "${WORKBASE}"/mbedtls-${MBEDTLS_VERSION} ${mbedtls_dir}

    # brotli
    local brotli_dir
    local brotli_dirs=(
        BaseTools/Source/C/BrotliCompress/brotli
        MdeModulePkg/Library/BrotliCustomDecompressLib/brotli
    )
    for brotli_dir in "${brotli_dirs[@]}"; do
        edo rmdir ${brotli_dir}
        edo ln -s "${WORKBASE}"/brotli-${BROTLI_COMMIT} ${brotli_dir}
    done

    # public-mipi-sys-t
    local public_mipi_sys_t_dir=MdePkg/Library/MipiSysTLib/mipisyst
    edo rmdir ${public_mipi_sys_t_dir}
    edo ln -s "${WORKBASE}"/public-mipi-sys-t-${PUBLIC_MIPI_SYS_T_COMMIT} ${public_mipi_sys_t_dir}

    # libspdm
    local libspdm_dir=SecurityPkg/DeviceSecurity/SpdmLib/libspdm
    edo rmdir ${libspdm_dir}
    edo ln -s "${WORKBASE}"/libspdm-${LIBSPDM_COMMIT} ${libspdm_dir}

    # symlink build tools
    local dir="${WORKBASE}"/symlinked-build-tools
    local tool
    edo mkdir -p "${dir}"
    for tool in ar cc g++ gcc gcc-ar ld objcopy; do
        edo ln -s /usr/host/bin/$(exhost --tool-prefix)${tool} "${dir}"/${tool}
    done
    export PATH="${dir}:${PATH}"
}

src_compile() {
    emake BUILD_CC=${CC} BUILD_CXX=${CXX} BUILD_AR=${AR} -C BaseTools
    . edksetup.sh
    edo OvmfPkg/build.sh -a ${OVMF_ARCH} -b ${OVMF_BUILD}
}

src_install() {
    insinto /usr/share/ovmf/${OVMF_ARCH}
    doins Build/Ovmf${OVMF_ARCH}/${OVMF_BUILD}_GCC*/FV/OVMF*.fd
    emagicdocs
}