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support multiple kernels, boot.img output 

In order to enable the delivery of multiple kernel variants with
a platform build, add support for generating boot.img files from
multiple kernels.

The BOARD_KERNEL_BINARIES macro may be defined as a list of kernel
binaries to be used (if not, the original behavior and assumption of a
single kernel binary is preserved). Each kernel binary filename
must begin with "kernel". Any extra text in the filename is appended
to the boot.img name, so "kernel-gz" would generate "boot-gz.img".

Bug: 151094943
Change-Id: Icbbf227e9561f4aa11ce10db8d7aa81c7a81eb5b
This commit is contained in:
Steve Muckle 2020-03-11 16:03:07 -07:00
parent 3363a0b8d6
commit b3dda77f2a
1 changed files with 83 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

148
core/Makefile
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@ -1001,7 +1001,12 @@ else
INSTALLED_2NDBOOTLOADER_TARGET := INSTALLED_2NDBOOTLOADER_TARGET :=
endif # TARGET_NO_BOOTLOADER endif # TARGET_NO_BOOTLOADER
ifneq ($(strip $(TARGET_NO_KERNEL)),true) ifneq ($(strip $(TARGET_NO_KERNEL)),true)
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
INSTALLED_KERNEL_TARGET := $(foreach k,$(BOARD_KERNEL_BINARIES), \
$(PRODUCT_OUT)/$(k))
else
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
endif
else else
INSTALLED_KERNEL_TARGET := INSTALLED_KERNEL_TARGET :=
endif endif
@ -1073,7 +1078,12 @@ endif # BUILDING_RAMDISK_IMAGE
# This is defined here since we may be building recovery as boot # This is defined here since we may be building recovery as boot
# below and only want to define this once # below and only want to define this once
BUILT_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
BUILT_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,boot,$(BOARD_KERNEL_BINARIES)), $(PRODUCT_OUT)/$(k).img)
else
BUILT_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
endif
ifneq ($(strip $(TARGET_NO_KERNEL)),true) ifneq ($(strip $(TARGET_NO_KERNEL)),true)
INTERNAL_BOOTIMAGE_ARGS := \ INTERNAL_BOOTIMAGE_ARGS := \
@ -2038,7 +2048,7 @@ endif
else # INSTALLED_VENDOR_BOOTIMAGE_TARGET not defined else # INSTALLED_VENDOR_BOOTIMAGE_TARGET not defined
INTERNAL_RECOVERYIMAGE_ARGS := \ INTERNAL_RECOVERYIMAGE_ARGS := \
$(addprefix --second ,$(INSTALLED_2NDBOOTLOADER_TARGET)) \ $(addprefix --second ,$(INSTALLED_2NDBOOTLOADER_TARGET)) \
--kernel $(recovery_kernel) --ramdisk $(recovery_ramdisk) --ramdisk $(recovery_ramdisk)
# Assumes this has already been stripped # Assumes this has already been stripped
ifdef INTERNAL_KERNEL_CMDLINE ifdef INTERNAL_KERNEL_CMDLINE
INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(INTERNAL_KERNEL_CMDLINE)" INTERNAL_RECOVERYIMAGE_ARGS += --cmdline "$(INTERNAL_KERNEL_CMDLINE)"
@ -2064,38 +2074,53 @@ ifdef BOARD_INCLUDE_DTB_IN_BOOTIMG
endif endif
endif # INSTALLED_VENDOR_BOOTIMAGE_TARGET not defined endif # INSTALLED_VENDOR_BOOTIMAGE_TARGET not defined
$(recovery_ramdisk): $(MKBOOTFS) $(MINIGZIP) \
$(INTERNAL_ROOT_FILES) \
$(INSTALLED_RAMDISK_TARGET) \
$(INTERNAL_RECOVERYIMAGE_FILES) \
$(recovery_sepolicy) \
$(INSTALLED_2NDBOOTLOADER_TARGET) \
$(INSTALLED_RECOVERY_BUILD_PROP_TARGET) \
$(recovery_resource_deps) \
$(recovery_fstab)
# Making recovery image
mkdir -p $(TARGET_RECOVERY_OUT)
mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/sdcard $(TARGET_RECOVERY_ROOT_OUT)/tmp
# Copying baseline ramdisk...
# Use rsync because "cp -Rf" fails to overwrite broken symlinks on Mac.
rsync -a --exclude=sdcard $(IGNORE_RECOVERY_SEPOLICY) $(IGNORE_CACHE_LINK) $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT)
# Modifying ramdisk contents...
$(if $(filter true,$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)),, \
ln -sf /system/bin/init $(TARGET_RECOVERY_ROOT_OUT)/init)
# Removes $(TARGET_RECOVERY_ROOT_OUT)/init*.rc EXCEPT init.recovery*.rc.
find $(TARGET_RECOVERY_ROOT_OUT) -maxdepth 1 -name 'init*.rc' -type f -not -name "init.recovery.*.rc" | xargs rm -f
cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/ 2> /dev/null || true # Ignore error when the src file doesn't exist.
mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
$(foreach recovery_text_file,$(generated_recovery_text_files), \
cp -rf $(recovery_text_file) $(TARGET_RECOVERY_ROOT_OUT)/res/images/ &&) true
cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
$(foreach item,$(TARGET_PRIVATE_RES_DIRS), \
cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/$(newline))
$(foreach item,$(recovery_fstab), \
cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/system/etc/recovery.fstab)
$(if $(strip $(recovery_wipe)), \
cp -f $(recovery_wipe) $(TARGET_RECOVERY_ROOT_OUT)/system/etc/recovery.wipe)
ln -sf prop.default $(TARGET_RECOVERY_ROOT_OUT)/default.prop
$(BOARD_RECOVERY_IMAGE_PREPARE)
$(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_RECOVERY_ROOT_OUT) | $(MINIGZIP) > $(recovery_ramdisk)
# $(1): output file # $(1): output file
# $(2): kernel file
define build-recoveryimage-target define build-recoveryimage-target
# Making recovery image
$(hide) mkdir -p $(TARGET_RECOVERY_OUT)
$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/sdcard $(TARGET_RECOVERY_ROOT_OUT)/tmp
# Copying baseline ramdisk...
# Use rsync because "cp -Rf" fails to overwrite broken symlinks on Mac.
$(hide) rsync -a --exclude=sdcard $(IGNORE_RECOVERY_SEPOLICY) $(IGNORE_CACHE_LINK) $(TARGET_ROOT_OUT) $(TARGET_RECOVERY_OUT)
# Modifying ramdisk contents...
$(if $(filter true,$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)),, \
$(hide) ln -sf /system/bin/init $(TARGET_RECOVERY_ROOT_OUT)/init)
# Removes $(TARGET_RECOVERY_ROOT_OUT)/init*.rc EXCEPT init.recovery*.rc.
$(hide) find $(TARGET_RECOVERY_ROOT_OUT) -maxdepth 1 -name 'init*.rc' -type f -not -name "init.recovery.*.rc" | xargs rm -f
$(hide) cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/ 2> /dev/null || true # Ignore error when the src file doesn't exist.
$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
$(hide) rm -rf $(TARGET_RECOVERY_ROOT_OUT)/res/*
$(hide) cp -rf $(recovery_resources_common)/* $(TARGET_RECOVERY_ROOT_OUT)/res
$(hide) $(foreach recovery_text_file,$(generated_recovery_text_files), \
cp -rf $(recovery_text_file) $(TARGET_RECOVERY_ROOT_OUT)/res/images/ &&) true
$(hide) cp -f $(recovery_font) $(TARGET_RECOVERY_ROOT_OUT)/res/images/font.png
$(hide) $(foreach item,$(TARGET_PRIVATE_RES_DIRS), \
cp -rf $(item) $(TARGET_RECOVERY_ROOT_OUT)/$(newline))
$(hide) $(foreach item,$(recovery_fstab), \
cp -f $(item) $(TARGET_RECOVERY_ROOT_OUT)/system/etc/recovery.fstab)
$(if $(strip $(recovery_wipe)), \
$(hide) cp -f $(recovery_wipe) $(TARGET_RECOVERY_ROOT_OUT)/system/etc/recovery.wipe)
$(hide) ln -sf prop.default $(TARGET_RECOVERY_ROOT_OUT)/default.prop
$(BOARD_RECOVERY_IMAGE_PREPARE)
$(hide) $(MKBOOTFS) -d $(TARGET_OUT) $(TARGET_RECOVERY_ROOT_OUT) | $(MINIGZIP) > $(recovery_ramdisk)
$(if $(filter true,$(PRODUCT_SUPPORTS_VBOOT)), \ $(if $(filter true,$(PRODUCT_SUPPORTS_VBOOT)), \
$(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(1).unsigned, \ $(MKBOOTIMG) --kernel $(2) $(MKBOOTIMG_KERNEL_ARG) $(INTERNAL_RECOVERYIMAGE_ARGS) \
$(hide) $(MKBOOTIMG) $(INTERNAL_RECOVERYIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(1)) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) \
--output $(1).unsigned, \
$(MKBOOTIMG) --kernel $(2) $(MKBOOTIMG_KERNEL_ARG) $(INTERNAL_RECOVERYIMAGE_ARGS) \
$(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) \
--output $(1))
$(if $(filter true,$(PRODUCT_SUPPORTS_BOOT_SIGNER)),\ $(if $(filter true,$(PRODUCT_SUPPORTS_BOOT_SIGNER)),\
$(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\ $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\
$(BOOT_SIGNER) /boot $(1) $(PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCT_VERITY_SIGNING_KEY).x509.pem $(1),\ $(BOOT_SIGNER) /boot $(1) $(PRODUCT_VERITY_SIGNING_KEY).pk8 $(PRODUCT_VERITY_SIGNING_KEY).x509.pem $(1),\
@ -2105,12 +2130,12 @@ define build-recoveryimage-target
$(if $(filter true,$(PRODUCT_SUPPORTS_VBOOT)), \ $(if $(filter true,$(PRODUCT_SUPPORTS_VBOOT)), \
$(VBOOT_SIGNER) $(FUTILITY) $(1).unsigned $(PRODUCT_VBOOT_SIGNING_KEY).vbpubk $(PRODUCT_VBOOT_SIGNING_KEY).vbprivk $(PRODUCT_VBOOT_SIGNING_SUBKEY).vbprivk $(1).keyblock $(1)) $(VBOOT_SIGNER) $(FUTILITY) $(1).unsigned $(PRODUCT_VBOOT_SIGNING_KEY).vbpubk $(PRODUCT_VBOOT_SIGNING_KEY).vbprivk $(PRODUCT_VBOOT_SIGNING_SUBKEY).vbprivk $(1).keyblock $(1))
$(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \ $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \
$(hide) $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_BOOTIMAGE_PARTITION_SIZE))), \ $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_BOOTIMAGE_PARTITION_SIZE))), \
$(hide) $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)))) $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE))))
$(if $(filter true,$(BOARD_AVB_ENABLE)), \ $(if $(filter true,$(BOARD_AVB_ENABLE)), \
$(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \ $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \
$(hide) $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(BOARD_BOOTIMAGE_PARTITION_SIZE) --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS),\ $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(BOARD_BOOTIMAGE_PARTITION_SIZE) --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS),\
$(hide) $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(BOARD_RECOVERYIMAGE_PARTITION_SIZE) --partition_name recovery $(INTERNAL_AVB_RECOVERY_SIGNING_ARGS) $(BOARD_AVB_RECOVERY_ADD_HASH_FOOTER_ARGS))) $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(BOARD_RECOVERYIMAGE_PARTITION_SIZE) --partition_name recovery $(INTERNAL_AVB_RECOVERY_SIGNING_ARGS) $(BOARD_AVB_RECOVERY_ADD_HASH_FOOTER_ARGS)))
endef endef
ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true) ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
@ -2137,18 +2162,10 @@ ifdef BOARD_INCLUDE_DTB_IN_BOOTIMG
$(INSTALLED_BOOTIMAGE_TARGET): $(INSTALLED_DTBIMAGE_TARGET) $(INSTALLED_BOOTIMAGE_TARGET): $(INSTALLED_DTBIMAGE_TARGET)
endif endif
$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTFS) $(MKBOOTIMG) $(MINIGZIP) \ $(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(recovery_ramdisk) \
$(INTERNAL_ROOT_FILES) \ $(recovery_kernel)
$(INSTALLED_RAMDISK_TARGET) \
$(INTERNAL_RECOVERYIMAGE_FILES) \
$(recovery_sepolicy) $(recovery_kernel) \
$(INSTALLED_2NDBOOTLOADER_TARGET) \
$(INSTALLED_RECOVERY_BUILD_PROP_TARGET) \
$(recovery_resource_deps) \
$(recovery_fstab)
$(call pretty,"Target boot image from recovery: $@") $(call pretty,"Target boot image from recovery: $@")
$(call build-recoveryimage-target, $@) $(call build-recoveryimage-target, $@, $(PRODUCT_OUT)/$(subst .img,,$(subst boot,kernel,$(notdir $@))))
$(INSTALLED_BOOTIMAGE_TARGET): .KATI_IMPLICIT_OUTPUTS += $(recovery_ramdisk)
endif # BOARD_USES_RECOVERY_AS_BOOT endif # BOARD_USES_RECOVERY_AS_BOOT
ifdef BOARD_INCLUDE_RECOVERY_DTBO ifdef BOARD_INCLUDE_RECOVERY_DTBO
@ -2165,17 +2182,9 @@ ifdef BOARD_INCLUDE_DTB_IN_BOOTIMG
$(INSTALLED_RECOVERYIMAGE_TARGET): $(INSTALLED_DTBIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET): $(INSTALLED_DTBIMAGE_TARGET)
endif endif
$(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTFS) $(MKBOOTIMG) $(MINIGZIP) \ $(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTIMG) $(recovery_ramdisk) \
$(INTERNAL_ROOT_FILES) \ $(recovery_kernel)
$(INSTALLED_RAMDISK_TARGET) \ $(call build-recoveryimage-target, $@, $(recovery_kernel))
$(INSTALLED_BOOTIMAGE_TARGET) \
$(INTERNAL_RECOVERYIMAGE_FILES) \
$(recovery_sepolicy) $(recovery_kernel) \
$(INSTALLED_2NDBOOTLOADER_TARGET) \
$(INSTALLED_RECOVERY_BUILD_PROP_TARGET) \
$(recovery_resource_deps) \
$(recovery_fstab)
$(call build-recoveryimage-target, $@)
ifdef RECOVERY_RESOURCE_ZIP ifdef RECOVERY_RESOURCE_ZIP
$(RECOVERY_RESOURCE_ZIP): $(INSTALLED_RECOVERYIMAGE_TARGET) | $(ZIPTIME) $(RECOVERY_RESOURCE_ZIP): $(INSTALLED_RECOVERYIMAGE_TARGET) | $(ZIPTIME)
@ -2286,8 +2295,12 @@ endif # BUILDING_RAMDISK_IMAGE
# Note: it's intentional to skip signing for boot-debug.img, because it # Note: it's intentional to skip signing for boot-debug.img, because it
# can only be used if the device is unlocked with verification error. # can only be used if the device is unlocked with verification error.
ifneq ($(strip $(TARGET_NO_KERNEL)),true) ifneq ($(strip $(TARGET_NO_KERNEL)),true)
ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot-debug.img INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,boot-debug,$(BOARD_KERNEL_BINARIES)), \
$(PRODUCT_OUT)/$(k).img)
else
INSTALLED_DEBUG_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot-debug.img
endif
# Replace ramdisk.img in $(MKBOOTIMG) ARGS with ramdisk-debug.img to build boot-debug.img # Replace ramdisk.img in $(MKBOOTIMG) ARGS with ramdisk-debug.img to build boot-debug.img
ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true) ifeq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
@ -2317,17 +2330,22 @@ $(AVBTOOL) add_hash_footer \
$(call assert-max-image-size,$(1),$(BOARD_BOOTIMAGE_PARTITION_SIZE)) $(call assert-max-image-size,$(1),$(BOARD_BOOTIMAGE_PARTITION_SIZE))
endef endef
# $(1): output file
define build-debug-bootimage-target
$(MKBOOTIMG) --kernel $(PRODUCT_OUT)/$(subst .img,,$(subst boot-debug,kernel,$(notdir $(1)))) \
$(INTERNAL_DEBUG_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $1
$(if $(BOARD_AVB_BOOT_KEY_PATH),$(call test-key-sign-bootimage,$1))
endef
# Depends on original boot.img and ramdisk-debug.img, to build the new boot-debug.img # Depends on original boot.img and ramdisk-debug.img, to build the new boot-debug.img
$(INSTALLED_DEBUG_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_DEBUG_RAMDISK_TARGET) $(INSTALLED_DEBUG_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_DEBUG_RAMDISK_TARGET)
$(call pretty,"Target boot debug image: $@") $(call pretty,"Target boot debug image: $@")
$(MKBOOTIMG) $(INTERNAL_DEBUG_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@ $(call build-debug-bootimage-target, $@)
$(if $(BOARD_AVB_BOOT_KEY_PATH),$(call test-key-sign-bootimage,$@))
.PHONY: bootimage_debug-nodeps .PHONY: bootimage_debug-nodeps
bootimage_debug-nodeps: $(MKBOOTIMG) bootimage_debug-nodeps: $(MKBOOTIMG)
echo "make $@: ignoring dependencies" echo "make $@: ignoring dependencies"
$(MKBOOTIMG) $(INTERNAL_DEBUG_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_DEBUG_BOOTIMAGE_TARGET) $(foreach b,$(INSTALLED_DEBUG_BOOTIMAGE_TARGET),$(call build-debug-bootimage-target,$b))
$(if $(BOARD_AVB_BOOT_KEY_PATH),$(call test-key-sign-bootimage,$(INSTALLED_DEBUG_BOOTIMAGE_TARGET)))
endif # TARGET_NO_KERNEL endif # TARGET_NO_KERNEL
@ -4279,7 +4297,7 @@ ifneq (,$(INSTALLED_RECOVERYIMAGE_TARGET)$(filter true,$(BOARD_USES_RECOVERY_AS_
$(hide) $(call package_files-copy-root, \ $(hide) $(call package_files-copy-root, \
$(TARGET_RECOVERY_ROOT_OUT),$(zip_root)/$(PRIVATE_RECOVERY_OUT)/RAMDISK) $(TARGET_RECOVERY_ROOT_OUT),$(zip_root)/$(PRIVATE_RECOVERY_OUT)/RAMDISK)
ifdef INSTALLED_KERNEL_TARGET ifdef INSTALLED_KERNEL_TARGET
cp $(INSTALLED_KERNEL_TARGET) $(zip_root)/$(PRIVATE_RECOVERY_OUT)/kernel cp $(INSTALLED_KERNEL_TARGET) $(zip_root)/$(PRIVATE_RECOVERY_OUT)/
endif endif
ifdef INSTALLED_VENDOR_BOOTIMAGE_TARGET ifdef INSTALLED_VENDOR_BOOTIMAGE_TARGET
echo "$(GENERIC_KERNEL_CMDLINE)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/cmdline echo "$(GENERIC_KERNEL_CMDLINE)" > $(zip_root)/$(PRIVATE_RECOVERY_OUT)/cmdline