meta-arm: Add UEFI EDK2 support for Arm platforms

EDK2 Project is a modern, feature-rich, cross-platform
firmware development environment for the UEFI specifications
from www.uefi.org.

This patch adds a new recipe to fetch, configure and build
UEFI EDK2 firmware for Arm platforms.

Change-Id: Icfb157e5b68d87accfd4290f522fc529fe4e849e
Issue-Id: PLATFORMS-3134
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
Reviewed-by: Diego Sueiro <diego.sueiro@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm/recipes-bsp/uefi/edk2-firmware.inc

@@ -0,0 +1,81 @@
+SUMMARY = "UEFI EDK2 Firmware"
+
+PROVIDES += "virtual/uefi-firmware"
+
+EDK2_BUILD_RELEASE   ?= "0"
+EDK2_PLATFORM        ?= "invalid"
+EDK2_PLATFORM_DSC    ?= ""
+EDK2_BIN_NAME        ?= ""
+EDK2_ARCH            ?= ""
+
+EDK2_BUILD_MODE = "${@bb.utils.contains('EDK2_BUILD_RELEASE', '1', 'RELEASE', 'DEBUG', d)}"
+
+DEPENDS += "util-linux-native iasl-native"
+
+inherit python3native
+inherit deploy
+
+B = "${WORKDIR}/build"
+S = "${WORKDIR}/git"
+
+COMPATIBLE_MACHINE ?= "invalid"
+
+LDFLAGS[unexport] = "1"
+
+# No configure
+do_configure[noexec] = "1"
+
+# Set variables as per envsetup
+export GCC5_AARCH64_PREFIX = "${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}"
+export PACKAGES_PATH       = "${S}/edk2:${S}/edk2/edk2-platforms"
+export WORKSPACE           = "${S}/edk2"
+export EDK_TOOLS_PATH      = "${WORKSPACE}/BaseTools"
+export PYTHON_COMMAND      = "${PYTHON}"
+export CONF_PATH           = "${WORKSPACE}/Conf"
+
+export BTOOLS_PATH = "${EDK_TOOLS_PATH}/BinWrappers/PosixLike"
+
+python __anonymous() {
+    # If GCC Version is greater than 4 then pass GCC5
+    # set GCC5 by default
+    d.setVar('GCC_VER', 'GCC5')
+
+    # Otherwise pass the corresponding version
+    G = d.getVar('GCCVERSION',True).split(".")
+    gcc_vlist = ['1', '2', '3', '4']
+    if G[0] in gcc_vlist:
+        d.setVar('GCC_VER', 'GCC'+G[0])
+}
+
+do_compile() {
+    # Copy the templates as we don't run envsetup
+    cp ${EDK_TOOLS_PATH}/Conf/build_rule.template ${WORKSPACE}/Conf/build_rule.txt
+    cp ${EDK_TOOLS_PATH}/Conf/tools_def.template ${WORKSPACE}/Conf/tools_def.txt
+    cp ${EDK_TOOLS_PATH}/Conf/target.template ${WORKSPACE}/Conf/target.txt
+
+    # Build basetools
+    oe_runmake -C ${S}/edk2/BaseTools
+
+    PATH="${WORKSPACE}:${BTOOLS_PATH}:$PATH" \
+    "${S}/edk2/BaseTools/BinWrappers/PosixLike/build" \
+       -a "${EDK2_ARCH}" \
+       -b ${EDK2_BUILD_MODE} \
+       -t ${GCC_VER} \
+       -p "${S}/edk2/edk2-platforms/Platform/ARM/${EDK2_PLATFORM_DSC}"
+}
+
+do_install() {
+    install -d ${D}/firmware
+    install "${S}/edk2/Build/${EDK2_PLATFORM}/${EDK2_BUILD_MODE}_${GCC_VER}/FV/${EDK2_BIN_NAME}" "${D}/firmware/uefi.bin"
+}
+
+FILES_${PN} = "/firmware"
+SYSROOT_DIRS += "/firmware"
+# Skip QA check for relocations in .text of elf binaries
+INSANE_SKIP_${PN} = "textrel"
+
+do_deploy() {
+    # Copy the images to deploy directory
+    cp -rf ${D}/firmware/* ${DEPLOYDIR}/
+}
+addtask deploy after do_install

meta-arm/recipes-bsp/uefi/edk2-firmware_git.bb

@@ -0,0 +1,19 @@
+DESCRIPTION = "UEFI EDK2 Firmware for Arm reference platforms"
+HOMEPAGE = "https://github.com/tianocore/edk2"
+
+LICENSE = "BSD-2-Clause-Patent"
+
+# EDK2
+LIC_FILES_CHKSUM = "file://edk2/License.txt;md5=2b415520383f7964e96700ae12b4570a"
+# EDK2 Platforms
+LIC_FILES_CHKSUM += "file://edk2/edk2-platforms/License.txt;md5=2b415520383f7964e96700ae12b4570a"
+
+SRC_URI ?= "\
+    git://github.com/tianocore/edk2.git;name=edk2;destsuffix=${S}/edk2;nobranch=1 \
+    git://github.com/tianocore/edk2-platforms.git;name=edk2-platforms;destsuffix=${S}/edk2/edk2-platforms;nobranch=1 \
+"
+SRCREV_edk2           ?= "6ff7c838d09224dd4e4c9b5b93152d8db1b19740"
+SRCREV_edk2-platforms ?= "ed4cc8059ec551032f0d8b8c172e9ec19214a638"
+SRCREV_FORMAT         = "edk2_edk2-platforms"
+
+require edk2-firmware.inc