[PULL,07/12] roms: build edk2 firmware binaries and variable store templates

diff --git a/roms/Makefile b/roms/Makefile
index 2e83ececa2..054b432834 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -61,6 +61,7 @@  default:
 	@echo "  skiboot        -- update skiboot.lid"
 	@echo "  u-boot.e500    -- update u-boot.e500"
 	@echo "  u-boot.sam460  -- update u-boot.sam460"
+	@echo "  efi            -- update UEFI (edk2) platform firmware"
 
 bios: build-seabios-config-seabios-128k build-seabios-config-seabios-256k
 	cp seabios/builds/seabios-128k/bios.bin ../pc-bios/bios.bin
@@ -143,6 +144,9 @@  skiboot:
 	$(MAKE) -C skiboot CROSS=$(powerpc64_cross_prefix)
 	cp skiboot/skiboot.lid ../pc-bios/skiboot.lid
 
+efi: edk2-basetools
+	$(MAKE) -f Makefile.edk2
+
 clean:
 	rm -rf seabios/.config seabios/out seabios/builds
 	$(MAKE) -C sgabios clean
@@ -153,3 +157,4 @@  clean:
 	rm -rf u-boot/build.e500
 	$(MAKE) -C u-boot-sam460ex distclean
 	$(MAKE) -C skiboot clean
+	$(MAKE) -f Makefile.edk2 clean
diff --git a/roms/Makefile.edk2 b/roms/Makefile.edk2
new file mode 100644
index 0000000000..e5c3036949
--- /dev/null
+++ b/roms/Makefile.edk2
@@ -0,0 +1,148 @@ 
+# Makefile for building firmware binaries and variable store templates for a
+# number of virtual platforms in edk2.
+#
+# Copyright (C) 2019 Red Hat, Inc.
+#
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License that accompanies this
+# distribution. The full text of the license may be found at
+# <http://opensource.org/licenses/bsd-license.php>.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+SHELL = /bin/bash
+
+toolchain = $(shell source ./edk2-funcs.sh && qemu_edk2_get_toolchain $(1))
+
+licenses := \
+	edk2/License.txt \
+	edk2/OvmfPkg/License.txt \
+	edk2/CryptoPkg/Library/OpensslLib/openssl/LICENSE
+
+# The "edk2-arm-vars.fd" varstore template is suitable for aarch64 as well.
+# Similarly, the "edk2-i386-vars.fd" varstore template is suitable for x86_64
+# as well, independently of "secure" too.
+flashdevs := \
+	aarch64-code \
+	arm-code \
+	i386-code \
+	i386-secure-code \
+	x86_64-code \
+	x86_64-secure-code \
+	\
+	arm-vars \
+	i386-vars
+
+all: $(foreach flashdev,$(flashdevs),../pc-bios/edk2-$(flashdev).fd.xz) \
+	../pc-bios/edk2-licenses.txt
+
+../pc-bios/edk2-%.fd.xz: ../pc-bios/edk2-%.fd
+	xz -9 -e -c $< > $@
+
+# When the build completes, we need not keep the uncompressed flash device
+# files.
+.INTERMEDIATE: $(foreach flashdev,$(flashdevs),../pc-bios/edk2-$(flashdev).fd)
+
+submodules:
+	cd edk2 && git submodule update --init --force
+
+# See notes on the ".NOTPARALLEL" target and the "+" indicator in
+# "tests/uefi-test-tools/Makefile".
+.NOTPARALLEL:
+
+../pc-bios/edk2-aarch64-code.fd: submodules
+	+./edk2-build.sh \
+		aarch64 \
+		--arch=AARCH64 \
+		--platform=ArmVirtPkg/ArmVirtQemu.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE
+	cp edk2/Build/ArmVirtQemu-AARCH64/DEBUG_$(call toolchain,aarch64)/FV/QEMU_EFI.fd \
+		$@
+	truncate --size=64M $@
+
+../pc-bios/edk2-arm-code.fd: submodules
+	+./edk2-build.sh \
+		arm \
+		--arch=ARM \
+		--platform=ArmVirtPkg/ArmVirtQemu.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE
+	cp edk2/Build/ArmVirtQemu-ARM/DEBUG_$(call toolchain,arm)/FV/QEMU_EFI.fd \
+		$@
+	truncate --size=64M $@
+
+../pc-bios/edk2-i386-code.fd: submodules
+	+./edk2-build.sh \
+		i386 \
+		--arch=IA32 \
+		--platform=OvmfPkg/OvmfPkgIa32.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE \
+		-D TLS_ENABLE \
+		-D TPM2_ENABLE \
+		-D TPM2_CONFIG_ENABLE
+	cp edk2/Build/OvmfIa32/DEBUG_$(call toolchain,i386)/FV/OVMF_CODE.fd $@
+
+../pc-bios/edk2-i386-secure-code.fd: submodules
+	+./edk2-build.sh \
+		i386 \
+		--arch=IA32 \
+		--platform=OvmfPkg/OvmfPkgIa32.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE \
+		-D TLS_ENABLE \
+		-D TPM2_ENABLE \
+		-D TPM2_CONFIG_ENABLE \
+		-D SECURE_BOOT_ENABLE \
+		-D SMM_REQUIRE
+	cp edk2/Build/OvmfIa32/DEBUG_$(call toolchain,i386)/FV/OVMF_CODE.fd $@
+
+../pc-bios/edk2-x86_64-code.fd: submodules
+	+./edk2-build.sh \
+		x86_64 \
+		--arch=X64 \
+		--platform=OvmfPkg/OvmfPkgX64.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE \
+		-D TLS_ENABLE \
+		-D TPM2_ENABLE \
+		-D TPM2_CONFIG_ENABLE
+	cp edk2/Build/OvmfX64/DEBUG_$(call toolchain,x86_64)/FV/OVMF_CODE.fd $@
+
+../pc-bios/edk2-x86_64-secure-code.fd: submodules
+	+./edk2-build.sh \
+		x86_64 \
+		--arch=IA32 \
+		--arch=X64 \
+		--platform=OvmfPkg/OvmfPkgIa32X64.dsc \
+		-D NETWORK_IP6_ENABLE \
+		-D HTTP_BOOT_ENABLE \
+		-D TLS_ENABLE \
+		-D TPM2_ENABLE \
+		-D TPM2_CONFIG_ENABLE \
+		-D SECURE_BOOT_ENABLE \
+		-D SMM_REQUIRE
+	cp edk2/Build/Ovmf3264/DEBUG_$(call toolchain,x86_64)/FV/OVMF_CODE.fd $@
+
+../pc-bios/edk2-arm-vars.fd: ../pc-bios/edk2-arm-code.fd
+	cp edk2/Build/ArmVirtQemu-ARM/DEBUG_$(call toolchain,arm)/FV/QEMU_VARS.fd \
+		$@
+	truncate --size=64M $@
+
+../pc-bios/edk2-i386-vars.fd: ../pc-bios/edk2-i386-code.fd
+	cp edk2/Build/OvmfIa32/DEBUG_$(call toolchain,i386)/FV/OVMF_VARS.fd $@
+
+# The license file accumulates several individual licenses from under edk2,
+# prefixing each individual license with a header (generated by "tail") that
+# states its pathname.
+../pc-bios/edk2-licenses.txt: submodules
+	tail -n $(shell cat $(licenses) | wc -l) $(licenses) > $@
+	dos2unix $@
+
+clean:
+	rm -rf edk2/Build
+	cd edk2/Conf && \
+		rm -rf .cache BuildEnv.sh build_rule.txt target.txt \
+			tools_def.txt
diff --git a/roms/edk2-build.sh b/roms/edk2-build.sh
new file mode 100755
index 0000000000..4f46f8a6a2
--- /dev/null
+++ b/roms/edk2-build.sh
@@ -0,0 +1,55 @@ 
+#!/bin/bash
+
+# Wrapper shell script for building a  virtual platform firmware in edk2.
+#
+# Copyright (C) 2019 Red Hat, Inc.
+#
+# This program and the accompanying materials are licensed and made available
+# under the terms and conditions of the BSD License that accompanies this
+# distribution. The full text of the license may be found at
+# <http://opensource.org/licenses/bsd-license.php>.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+set -e -u -C
+
+# Save the command line arguments. We need to reset $# to 0 before sourcing
+# "edksetup.sh", as it will inherit $@.
+emulation_target=$1
+shift
+num_args=0
+args=()
+for arg in "$@"; do
+  args[num_args++]="$arg"
+done
+shift $num_args
+
+cd edk2
+
+# Work around <https://bugzilla.tianocore.org/show_bug.cgi?id=1607>.
+export PYTHON_COMMAND=python2
+
+# Source "edksetup.sh" carefully.
+set +e +u +C
+source ./edksetup.sh
+ret=$?
+set -e -u -C
+if [ $ret -ne 0 ]; then
+  exit $ret
+fi
+
+# Fetch some option arguments, and set the cross-compilation environment (if
+# any), for the edk2 "build" utility.
+source ../edk2-funcs.sh
+edk2_toolchain=$(qemu_edk2_get_toolchain "$emulation_target")
+edk2_thread_count=$(qemu_edk2_get_thread_count "$MAKEFLAGS")
+qemu_edk2_set_cross_env "$emulation_target"
+
+# Build the platform firmware.
+build \
+  --cmd-len=65536 \
+  -n "$edk2_thread_count" \
+  --buildtarget=DEBUG \
+  --tagname="$edk2_toolchain" \
+  "${args[@]}"