build: config: Adding build configs for vm and kalama tuivm

Add build related configs for vm and kalama tuivm.

Change-Id: I91dc5d5f423817ff1ba30a98b89bd8e846ab8216
Signed-off-by: Ashish Bhimanpalliwar <abhiman@codeaurora.org>

build.config.msm.kalama.tuivm

@@ -0,0 +1,35 @@
+################################################################################
+## Inheriting configs from ACK
+. ${ROOT_DIR}/common/build.config.common
+. ${ROOT_DIR}/common/build.config.aarch64
+
+################################################################################
+## Variant setup
+HERMETIC_TOOLCHAIN=0
+MSM_ARCH=kalama_tuivm
+VARIANTS=(defconfig debug_defconfig)
+[ -z "${VARIANT}" ] && VARIANT=debug_defconfig
+
+if [ -e "${ROOT_DIR}/msm-kernel" -a "${KERNEL_DIR}" = "common" ]; then
+	KERNEL_DIR="msm-kernel"
+fi
+
+BOOT_IMAGE_HEADER_VERSION=3
+BASE_ADDRESS=0x80000000
+PAGE_SIZE=4096
+DTB_IMG_CREATE=1
+
+################################################################################
+## Define VM parameters
+KERNEL_OFFSET=0xf4400000
+DTB_OFFSET=0xf6400000
+RAMDISK_OFFSET=0xf6500000
+DUMMY_IMG_OFFSET=0xf86f2000
+
+VM_SIZE_EXT4=270000000
+DUMMY_IMG_SIZE=4096
+
+################################################################################
+## Inheriting MSM configs
+. ${KERNEL_DIR}/build.config.msm.common
+. ${KERNEL_DIR}/build.config.msm.vm

build.config.msm.vm

@@ -0,0 +1,49 @@
+################################################################################
+# Common configuration for building kernel for Virtual Machines
+DEFCONFIG="generic_vm_defconfig"
+OPENSSL_DIR=${KERNEL_DIR}/../build/build-tools/path/linux-x86/openssl
+
+append_cmd POST_DEFCONFIG_CMDS 'update_signing_keys_config'
+
+function update_signing_keys_config() {
+	if test -f "${OPENSSL_DIR}"; then
+		${OPENSSL_DIR} req -new -nodes -utf8 -newkey rsa:1024 -days 36500 \
+		             -batch -x509 -config ${KERNEL_DIR}/certs/qcom_x509.genkey \
+		             -outform PEM -out ${OUT_DIR}/verity_cert.pem -keyout ${OUT_DIR}/verity_key.pem
+
+		${OPENSSL_DIR} req -new -nodes -utf8 -sha256 -days 36500 \
+		             -batch -x509 -config ${KERNEL_DIR}/certs/qcom_x509.genkey \
+		             -outform PEM -out ${OUT_DIR}/signing_key.pem -keyout ${OUT_DIR}/signing_key.pem
+
+		${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+		--set-str CONFIG_MODULE_SIG_KEY "${OUT_DIR}/signing_key.pem" \
+		--set-str CONFIG_SYSTEM_TRUSTED_KEYS "${OUT_DIR}/verity_cert.pem"
+
+		(cd ${OUT_DIR} && \
+		make ${CC_LD_ARG} O=${OUT_DIR} ${MAKE_ARGS} olddefconfig)
+	fi
+}
+
+append_cmd POST_KERNEL_BUILD_CMDS 'move_signing_keys'
+
+function move_signing_keys() {
+  cp ${OUT_DIR}/signing_key.pem ${OUT_DIR}/certs
+  cp ${OUT_DIR}/verity_key.pem ${OUT_DIR}/certs
+  cp ${OUT_DIR}/verity_cert.pem ${OUT_DIR}/certs
+}
+
+function build_defconfig_fragments() {
+	if [[ "${VARIANT}" =~ ^(defconfig|debug_defconfig)$ ]]; then
+		apply_defconfig_fragment ${KERNEL_DIR}/arch/${ARCH}/configs/vendor/${MSM_ARCH}.config vendor/${MSM_ARCH}_defconfig
+
+		if [ "${VARIANT}" = defconfig ]; then
+			return
+		fi
+
+		apply_defconfig_fragment ${KERNEL_DIR}/arch/${ARCH}/configs/vendor/${MSM_ARCH}_debug.config vendor/${MSM_ARCH}-debug_defconfig
+	else
+		echo "Variant '${VARIANT}' unsupported by gki"
+		exit 1
+	fi
+}
+build_defconfig_fragments