# Maintainer : Keshav Padram Amburay <(the.ridikulus.rat) (aatt) (gemmaeiil) (ddoott) (ccoomm)>
# Contributor: Andre Osku Schmidt (oskude) <(andre.osku.schmidt) (aatt) (gemmaeiil) (ddoott) (ccoomm)>

#######
_TIANOCORE_SVN_URL="https://svn.code.sf.net/p/edk2/code/trunk/edk2"
_TIANO_DIR_="tianocore-edk2-svn"
#######

#######
_TIANOCORE_PKG="OvmfX64"
_UDK_TARGET="OvmfPkg/OvmfPkgX64.dsc"
_TIANOCORE_TARGET="RELEASE"
_COMPILER="GCC47"
#######

#######
_OPENSSL_VERSION="0.9.8w"
#######

_pkgname="ovmf"
pkgname="${_pkgname}-svn"

pkgver=14601
pkgrel=1
pkgdesc="UEFI Firmware (OVMF) with Secure Boot Support - for Virtual Machines (QEMU) - from Tianocore EDK2 - SVN Version"
url="http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=OVMF"
arch=('x86_64')
license=('BSD')

makedepends=('subversion' 'python2' 'iasl')

options=('!strip' 'docs' '!makeflags')

conflicts=('ovmf' 'ovmf-tianocore-edk2' 'ovmf-tianocore-edk2-svn')
provides=('ovmf' 'ovmf-tianocore-edk2' 'ovmf-tianocore-edk2-svn')

install="${_pkgname}.install"

source=("http://www.openssl.org/source/openssl-${_OPENSSL_VERSION}.tar.gz")

for _DIR_ in BaseTools MdePkg MdeModulePkg IntelFrameworkPkg IntelFrameworkModulePkg ; do
	source+=("${_TIANO_DIR_}/${_DIR_}::svn+${_TIANOCORE_SVN_URL}/${_DIR_}")
done

for _DIR_ in PcAtChipsetPkg UefiCpuPkg OptionRomPkg CryptoPkg SecurityPkg ShellPkg FatBinPkg OvmfPkg ; do
	source+=("${_TIANO_DIR_}/${_DIR_}::svn+${_TIANOCORE_SVN_URL}/${_DIR_}")
done

sha1sums=('6dd276534f87aaca4bee679537fef3aaa6b43069'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP'
          'SKIP')

noextract=("openssl-${_OPENSSL_VERSION}.tar.gz")

pkgver() {
	cd "${srcdir}/OvmfPkg/"
	echo "$(svnversion)" | tr -d [A-z]
}

_bail_out() {
	
	if [[ "${CARCH}" != "x86_64" ]]; then
		echo "${pkgname} package can be built only in a x86_64 system. Exiting."
		exit 1
	fi
	
}

_setup_env_vars() {
	
	msg "Setup UDK PATH ENV variables"
	export _UDK_DIR="${srcdir}/${_TIANO_DIR_}_build"
	export EDK_TOOLS_PATH="${_UDK_DIR}/BaseTools"
	
}

_prepare_tianocore_sources() {
	
	msg "Delete old UDK BUILD dir"
	rm -rf "${_UDK_DIR}/" || true
	
	msg "Create UDK BUILD dir"
	mkdir -p "${_UDK_DIR}/"
	
	for _DIR_ in BaseTools MdePkg MdeModulePkg IntelFrameworkPkg IntelFrameworkModulePkg ; do
		mv "${srcdir}/${_DIR_}" "${_UDK_DIR}/${_DIR_}"
	done
	
	for _DIR_ in PcAtChipsetPkg UefiCpuPkg OptionRomPkg CryptoPkg SecurityPkg ShellPkg FatBinPkg OvmfPkg ; do
		mv "${srcdir}/${_DIR_}" "${_UDK_DIR}/${_DIR_}"
	done
	
	cd "${_UDK_DIR}/"
	
	msg "Cleanup UDK config files"
	rm -rf "${_UDK_DIR}/Build/" || true
	rm -rf "${_UDK_DIR}/Conf/" || true
	mkdir -p "${_UDK_DIR}/Conf/"
	mkdir -p "${_UDK_DIR}/Build/"
	
	msg "Use python2 for UDK BaseTools"
	sed 's|python |python2 |g' -i "${EDK_TOOLS_PATH}/BinWrappers/PosixLike"/* || true
	sed 's|python |python2 |g' -i "${EDK_TOOLS_PATH}/Tests/GNUmakefile"
	
	msg "Fix GCC Warning as error"
	sed 's|-Werror |-Wno-error -Wno-unused-but-set-variable |g' -i "${EDK_TOOLS_PATH}/Source/C/Makefiles/header.makefile" || true
	sed 's|-Werror |-Wno-error -Wno-unused-but-set-variable |g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	
	msg "Fix GCC >=4.7 error - gcc: error: unrecognized command line option '-melf_x86_64'"
	sed 's| -m64 --64 -melf_x86_64| -m64|g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	sed 's|--64 | |g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	sed 's| -m64 -melf_x86_64| -m64|g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	
	msg "Remove GCC -g debug option and add -0s -mabi=ms"
	sed 's|DEFINE GCC_ALL_CC_FLAGS            = -g |DEFINE GCC_ALL_CC_FLAGS            = -Os -mabi=ms |g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	sed 's|DEFINE GCC44_ALL_CC_FLAGS            = -g |DEFINE GCC44_ALL_CC_FLAGS            = -Os -mabi=ms |g' -i "${EDK_TOOLS_PATH}/Conf/tools_def.template" || true
	
	msg "Fix UDK Target Platform"
	sed "s|ACTIVE_PLATFORM       = Nt32Pkg/Nt32Pkg.dsc|ACTIVE_PLATFORM       = ${_UDK_TARGET}|g" -i "${EDK_TOOLS_PATH}/Conf/target.template" || true
	sed "s|TARGET                = DEBUG|TARGET                = ${_TIANOCORE_TARGET}|g" -i "${EDK_TOOLS_PATH}/Conf/target.template" || true
	sed "s|TOOL_CHAIN_TAG        = MYTOOLS|TOOL_CHAIN_TAG        = ${_COMPILER}|g" -i "${EDK_TOOLS_PATH}/Conf/target.template" || true
	sed "s|IA32|X64|g" -i "${EDK_TOOLS_PATH}/Conf/target.template" || true
	
	chmod 0755 "${_UDK_DIR}/BaseTools/BuildEnv"
	
}

_prepare_openssl_udk_dir() {
	
	cd "${_UDK_DIR}/"
	
	msg "Download OpenSSL ${_OPENSSL_VERSION} Sources"
	bsdtar -C "${_UDK_DIR}/CryptoPkg/Library/OpensslLib/" -xf "${srcdir}/openssl-${_OPENSSL_VERSION}.tar.gz"
	echo
	
	msg "Apply EDK2 Patch for OpenSSL ${_OPENSSL_VERSION}"
	cd "${_UDK_DIR}/CryptoPkg/Library/OpensslLib/openssl-${_OPENSSL_VERSION}/"
	patch -p0 -i "${_UDK_DIR}/CryptoPkg/Library/OpensslLib/EDKII_openssl-${_OPENSSL_VERSION}.patch"
	echo
	
	msg "Setup OpenSSL ${_OPENSSL_VERSION} headers in EDK2 dir"
	cd "${_UDK_DIR}/CryptoPkg/Library/OpensslLib/"
	chmod 0755 "${_UDK_DIR}/CryptoPkg/Library/OpensslLib/Install.sh"
	"${_UDK_DIR}/CryptoPkg/Library/OpensslLib/Install.sh"
	
}

prepare() {
	
	_bail_out
	
	_setup_env_vars
	
	msg "Prepare Tianocore Sources"
	_prepare_tianocore_sources
	echo
	
	msg "Prepare OpenSSL ${_OPENSSL_VERSION} Sources"
	_prepare_openssl_udk_dir
	echo
	
}

build() {
	
	_bail_out
	
	_setup_env_vars
	
	cd "${_UDK_DIR}/"
	
	msg "Unset all compiler FLAGS"
	unset CFLAGS
	unset CPPFLAGS
	unset CXXFLAGS
	unset LDFLAGS
	unset MAKEFLAGS
	
	msg "Setup UDK Environment"
	source "${_UDK_DIR}/BaseTools/BuildEnv" BaseTools
	echo
	
	msg "Compile UDK BaseTools"
	make -C "${EDK_TOOLS_PATH}"
	echo
	
	msg "Compile OVMF binary"
	"${_UDK_DIR}/OvmfPkg/build.sh" -a "X64" -b "${_TIANOCORE_TARGET}" -t "${_COMPILER}" -D "SECURE_BOOT_ENABLE=TRUE" -D "BUILD_NEW_SHELL"
	echo
	
}

package() {
	
	_setup_env_vars
	
	msg "Install the OVMF X64 image as bios.bin for QEMU"
	install -d "${pkgdir}/usr/share/ovmf/x86_64"
	install -D -m0644 "${_UDK_DIR}/Build/${_TIANOCORE_PKG}/${_TIANOCORE_TARGET}_${_COMPILER}/FV/OVMF.fd" "${pkgdir}/usr/share/ovmf/x86_64/bios.bin"
	
}