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Commit 16a71451 authored by Steve Muckle's avatar Steve Muckle Committed by Automerger Merge Worker
Browse files

refactor kernel module build, add version support am: f6ce461f 

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/11712421

Change-Id: I74af6ae8b8cec28c99324c569eb9e22f1c1c63ed
parents c1e13a0c f6ce461f

core/Makefile

+57 −52
Original line number Diff line number Diff line
@@ -732,6 +732,7 @@ endef 
# $(6): module load list filename

# $(7): module archive

# $(8): staging dir for stripped modules

# $(9): module directory name

# Returns the a list of src:dest pairs to install the modules using copy-many-files.

define build-image-kernel-modules

  $(foreach module,$(1), \
@@ -739,12 +740,12 @@ define build-image-kernel-modules 
    $(if $(8), \

      $(eval _src := $(8)/$(notdir $(module))) \

      $(eval $(call copy-and-strip-kernel-module,$(module),$(_src)))) \

    $(_src):$(2)/lib/modules/$(notdir $(module))) \

  $(eval $(call build-image-kernel-modules-depmod,$(1),$(3),$(4),$(5),$(6),$(7),$(2))) \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.dep:$(2)/lib/modules/modules.dep \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.alias:$(2)/lib/modules/modules.alias \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.softdep:$(2)/lib/modules/modules.softdep \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/$(6):$(2)/lib/modules/$(6)

    $(_src):$(2)/lib/modules/$(9)/$(notdir $(module))) \

  $(eval $(call build-image-kernel-modules-depmod,$(1),$(3),$(4),$(5),$(6),$(7),$(2),$(9))) \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.dep:$(2)/lib/modules/$(9)/modules.dep \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.alias:$(2)/lib/modules/$(9)/modules.alias \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/modules.softdep:$(2)/lib/modules/$(9)/modules.softdep \

  $(4)/$(DEPMOD_STAGING_SUBDIR)/$(6):$(2)/lib/modules/$(9)/$(6)

endef



# $(1): modules list
@@ -754,6 +755,7 @@ endef 
# $(5): module load list filename

# $(6): module archive

# $(7): output dir

# $(8): module directory name

# TODO(b/144844424): If a module archive is being used, this step (which

# generates obj/PACKAGING/.../modules.dep) also unzips the module archive into

# the output directory. This should be moved to a module with a
@@ -764,7 +766,7 @@ $(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: .KATI_IMPLICIT_OUTPUTS := $(3)/$(DEPM 
$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: $(DEPMOD)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_MODULES := $(1)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_MOUNT_POINT := $(2)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_MODULE_DIR := $(3)/$(DEPMOD_STAGING_SUBDIR)/$(2)/lib/modules

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_MODULE_DIR := $(3)/$(DEPMOD_STAGING_SUBDIR)/$(2)/lib/modules/$(8)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_STAGING_DIR := $(3)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_LOAD_MODULES := $(4)

$(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: PRIVATE_LOAD_FILE := $(3)/$(DEPMOD_STAGING_SUBDIR)/$(5)
@@ -777,7 +779,7 @@ $(3)/$(DEPMOD_STAGING_SUBDIR)/modules.dep: $(1) $(6) 
	$(if $(6),\

	  unzip -qo -d $$(PRIVATE_MODULE_DIR) $$(PRIVATE_MODULE_ARCHIVE); \

	  mkdir -p $$(PRIVATE_OUTPUT_DIR)/lib; \

	  cp -r $$(PRIVATE_MODULE_DIR) $$(PRIVATE_OUTPUT_DIR)/lib/; \

	  cp -r  $(3)/$(DEPMOD_STAGING_SUBDIR)/$(2)/lib/modules $$(PRIVATE_OUTPUT_DIR)/lib/; \

	  find $$(PRIVATE_MODULE_DIR) -type f -name *.ko | xargs basename -a > $$(PRIVATE_LOAD_FILE); \

	)

	$(if $(1),\
@@ -813,6 +815,43 @@ $(1)/$(DEPMOD_STAGING_SUBDIR)/$(4): $(2) 
	@echo '$$(strip $$(notdir $$(PRIVATE_LOAD_MODULES)))' | tr ' ' '\n' > $$(@)

endef



# $(1): image name

# $(2): build output directory (TARGET_OUT_VENDOR, TARGET_RECOVERY_ROOT_OUT, etc)

# $(3): mount point

# $(4): module load filename

# $(5): stripped staging directory

# $(6): kernel module directory name (top is an out of band value for no directory)

define build-image-kernel-modules-dir

$(if $(filter top,$(6)),\

  $(eval _kver :=)$(eval _sep :=),\

  $(eval _kver := $(6))$(eval _sep :=_))\

$(if $(5),\

  $(eval _stripped_staging_dir := $(5)$(_sep)$(_kver)),\

  $(eval _stripped_staging_dir :=))\

$(if $(strip $(BOARD_$(1)_KERNEL_MODULES$(_sep)$(_kver))$(BOARD_$(1)_KERNEL_MODULES_ARCHIVE$(_sep)$(_kver))),\

  $(if $(BOARD_$(1)_KERNEL_MODULES_LOAD$(_sep)$(_kver)),,\

    $(eval BOARD_$(1)_KERNEL_MODULES_LOAD$(_sep)$(_kver) := $(BOARD_$(1)_KERNEL_MODULES$(_sep)$(_kver)))) \

  $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_$(1)_KERNEL_MODULES$(_sep)$(_kver)),$(2),$(3),$(call intermediates-dir-for,PACKAGING,depmod_$(1)$(_sep)$(_kver)),$(BOARD_$(1)_KERNEL_MODULES_LOAD$(_sep)$(_kver)),$(4),$(BOARD_$(1)_KERNEL_MODULES_ARCHIVE$(_sep)$(_kver)),$(_stripped_staging_dir),$(_kver))))

endef



# $(1): kernel module directory name (top is an out of band value for no directory)

define build-recovery-as-boot-load

$(if $(filter top,$(1)),\

  $(eval _kver :=)$(eval _sep :=),\

  $(eval _kver := $(1))$(eval _sep :=_))\

  $(if $(BOARD_GENERIC_RAMDISK_KERNEL_MODULES_LOAD$(_sep)$(_kver)),\

    $(call copy-many-files,$(call module-load-list-copy-paths,$(call intermediates-dir-for,PACKAGING,ramdisk_module_list$(_sep)$(_kver)),$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES$(_sep)$(_kver)),$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES_LOAD$(_sep)$(_kver)),modules.load,$(TARGET_RECOVERY_ROOT_OUT))))

endef



# $(1): kernel module directory name (top is an out of band value for no directory)

define build-vendor-ramdisk-recovery-load

$(if $(filter top,$(1)),\

  $(eval _kver :=)$(eval _sep :=),\

  $(eval _kver := $(1))$(eval _sep :=_))\

  $(if $(BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD$(_sep)$(_kver)),\

    $(call copy-many-files,$(call module-load-list-copy-paths,$(call intermediates-dir-for,PACKAGING,vendor_ramdisk_recovery_module_list$(_sep)$(_kver)),$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES$(_sep)$(_kver)),$(BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD$(_sep)$(_kver)),modules.load.recovery,$(TARGET_VENDOR_RAMDISK_OUT))))

endef



ifneq ($(BUILDING_VENDOR_BOOT_IMAGE),true)

  # If there is no vendor boot partition, store vendor ramdisk kernel modules in the

  # boot ramdisk.
@@ -830,56 +869,22 @@ ifneq ($(strip $(BOARD_GENERIC_RAMDISK_KERNEL_MODULES)),) 
  endif

endif



ifneq ($(strip $(BOARD_RECOVERY_KERNEL_MODULES))$(strip $(BOARD_RECOVERY_KERNEL_MODULES_ARCHIVE)),)

  ifeq ($(BOARD_RECOVERY_KERNEL_MODULES_LOAD),)

    BOARD_RECOVERY_KERNEL_MODULES_LOAD := $(BOARD_RECOVERY_KERNEL_MODULES)

  endif

  ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_RECOVERY_KERNEL_MODULES),$(TARGET_RECOVERY_ROOT_OUT),,$(call intermediates-dir-for,PACKAGING,depmod_recovery),$(BOARD_RECOVERY_KERNEL_MODULES_LOAD),modules.load.recovery,$(BOARD_RECOVERY_KERNEL_MODULES_ARCHIVE),))

endif

ifeq ($(BOARD_USES_RECOVERY_AS_BOOT), true)

  ifdef BOARD_GENERIC_RAMDISK_KERNEL_MODULES_LOAD

    ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call module-load-list-copy-paths,$(call intermediates-dir-for,PACKAGING,ramdisk_modules),$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES),$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES_LOAD),modules.load,$(TARGET_RECOVERY_ROOT_OUT)))

  endif

endif



ifneq ($(strip $(BOARD_VENDOR_RAMDISK_KERNEL_MODULES))$(strip $(BOARD_VENDOR_RAMDISK_KERNEL_MODULES_ARCHIVE)),)

  ifeq ($(BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD),)

    BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD := $(BOARD_VENDOR_RAMDISK_KERNEL_MODULES)

  endif

  ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES),$(TARGET_VENDOR_RAMDISK_OUT),,$(call intermediates-dir-for,PACKAGING,depmod_vendor_ramdisk),$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD),modules.load,$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES_ARCHIVE),$(call intermediates-dir-for,PACKAGING,depmod_vendor_ramdisk_stripped)))

endif

ifneq (,$(BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD))

  # BOARD_VENDOR_RAMDISK_KERNEL_MODULES must be the full set, or super set,

  # of copied modules represented by BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD

  # and BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD which are mined

  # from modules.load which will contain relative paths, represent load order.

  ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call module-load-list-copy-paths,$(call intermediates-dir-for,PACKAGING,depmod_vendor_recovery_ramdisk),$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES),$(BOARD_VENDOR_RAMDISK_RECOVERY_KERNEL_MODULES_LOAD),modules.load.recovery,$(TARGET_VENDOR_RAMDISK_OUT)))

endif



ifneq ($(BOARD_USES_RECOVERY_AS_BOOT), true)

  ifneq ($(strip $(BOARD_GENERIC_RAMDISK_KERNEL_MODULES)),)

    ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES),$(TARGET_RAMDISK_OUT),,$(call intermediates-dir-for,PACKAGING,depmod_ramdisk),$(BOARD_GENERIC_RAMDISK_KERNEL_MODULES_LOAD),modules.load,,))

  endif

endif



ifneq ($(BOARD_DO_NOT_STRIP_VENDOR_MODULES),true)

	VENDOR_STRIPPED_MODULE_STAGING_DIR := $(call intermediates-dir-for,PACKAGING,depmod_vendor_stripped)

else

	VENDOR_STRIPPED_MODULE_STAGING_DIR :=

endif

ifneq ($(strip $(BOARD_VENDOR_KERNEL_MODULES)$(strip $(BOARD_VENDOR_KERNEL_MODULES_ARCHIVE))),)

  ifeq ($(BOARD_VENDOR_KERNEL_MODULES_LOAD),)

    BOARD_VENDOR_KERNEL_MODULES_LOAD := $(BOARD_VENDOR_KERNEL_MODULES)

  endif

  ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_VENDOR_KERNEL_MODULES),$(TARGET_OUT_VENDOR),vendor,$(call intermediates-dir-for,PACKAGING,depmod_vendor),$(BOARD_VENDOR_KERNEL_MODULES_LOAD),modules.load,$(BOARD_VENDOR_KERNEL_MODULES_ARCHIVE),$(VENDOR_STRIPPED_MODULE_STAGING_DIR)))

endif



ifneq ($(strip $(BOARD_ODM_KERNEL_MODULES))$(strip $(BOARD_ODM_KERNEL_MODULES_ARCHIVE)),)

  ifeq ($(BOARD_ODM_KERNEL_MODULES_LOAD),)

    BOARD_ODM_KERNEL_MODULES_LOAD := $(BOARD_ODM_KERNEL_MODULES)

  endif

  ALL_DEFAULT_INSTALLED_MODULES += $(call copy-many-files,$(call build-image-kernel-modules,$(BOARD_ODM_KERNEL_MODULES),$(TARGET_OUT_ODM),odm,$(call intermediates-dir-for,PACKAGING,depmod_odm),$(BOARD_ODM_KERNEL_MODULES_LOAD),modules.load,$(BOARD_ODM_KERNEL_MODULES_ARCHIVE),))

endif

BOARD_KERNEL_MODULE_DIRS += top

$(foreach dir,$(BOARD_KERNEL_MODULE_DIRS), \

  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,RECOVERY,$(TARGET_RECOVERY_ROOT_OUT),,modules.load.recovery,,$(dir))) \

  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,VENDOR_RAMDISK,$(TARGET_VENDOR_RAMDISK_OUT),,modules.load,$(call intermediates-dir-for,PACKAGING,depmod_vendor_ramdisk_stripped),$(dir))) \

  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-vendor-ramdisk-recovery-load,$(dir))) \

  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,VENDOR,$(TARGET_OUT_VENDOR),vendor,modules.load,$(VENDOR_STRIPPED_MODULE_STAGING_DIR),$(dir))) \

  $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,ODM,$(TARGET_OUT_ODM),odm,modules.load,,$(dir))) \

  $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)),\

    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-recovery-as-boot-load,$(dir))),\

    $(eval ALL_DEFAULT_INSTALLED_MODULES += $(call build-image-kernel-modules-dir,GENERIC_RAMDISK,$(TARGET_RAMDISK_OUT),,modules.load,,$(dir)))))



# -----------------------------------------------------------------

# Cert-to-package mapping.  Used by the post-build signing tools.