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

Add build related configs for vm and pineapple tuivm.

This is just snapshot of kalama's vm build config from
'commit 5beb98404269 ("Merge "i3c: i3c-master-msm-geni: Fix
IBI for invalid device OR handler"")'from msm-5.15 branch.

Change-Id: Ib50008461b1a22d4018e74185375f06acf93ffd3
Signed-off-by: Peng Yang <quic_penyan@quicinc.com>

build.config.msm.common

@@ -207,6 +207,18 @@ if [ ! -z $DTB_IMG_CREATE ] && [ ! $DTB_IMG_CREATE -eq "0" ]; then
   append_cmd DIST_CMDS 'make_dtb_img'
 fi
 
+################################################################################
+## Cating all the DTBs and create a dtb.img for a virtual machine
+function make_vm_dtb_img() {
+  mkdir -p ${DIST_DIR}/
+  for i in "${!MKDTIMGDTBS[@]}"; do
+    mkdtboimg.py create ${DIST_DIR}/${i}-dtb.img --page_size=${PAGE_SIZE} ${DIST_DIR}/${MKDTIMGDTBS[$i]}*.dtb
+  done
+}
+if [ -n "$VM_DTB_IMG_CREATE" ] && [ ! "$VM_DTB_IMG_CREATE" -eq "0" ]; then
+  append_cmd DIST_CMDS 'make_vm_dtb_img'
+fi
+
 ################################################################################
 ## Miscellaneous
 if [ -n "${EXTRA_CONFIGS}" ]; then

build.config.msm.pineapple.tuivm

@@ -0,0 +1,9 @@
+################################################################################
+## Inheriting MSM configs
+. ${KERNEL_DIR}/build.config.msm.pineapple.vm
+################################################################################
+
+MKDTIMGDTBS=()
+MKDTIMGDTBS["pineapple_tuivm"]="pineapple-vm"
+
+################################################################################

build.config.msm.pineapple.vm

@@ -0,0 +1,45 @@
+################################################################################
+## Inheriting configs from ACK
+. ${ROOT_DIR}/common/build.config.common
+. ${ROOT_DIR}/common/build.config.aarch64
+
+################################################################################
+## Variant setup
+MSM_ARCH=pineapple_tuivm
+VARIANTS=(defconfig debug_defconfig)
+[ -z "${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
+VM_DTB_IMG_CREATE=1
+
+declare -A MKDTIMGDTBS
+
+################################################################################
+## Define TUI VM parameters
+TUIVM_KERNEL_OFFSET=0x0
+TUIVM_DTB_OFFSET=0x2000000
+TUIVM_RAMDISK_OFFSET=0x2100000
+
+MKDTIMGDTBS["pineapple_tuivm"]="pineapple-vm"
+
+################################################################################
+## Define OEM VM parameters
+OEMVM_KERNEL_OFFSET=0x0
+OEMVM_DTB_OFFSET=0x2000000
+OEMVM_RAMDISK_OFFSET=0x2100000
+
+MKDTIMGDTBS["pineapple_oemvm"]="pineapple-oemvm"
+
+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