kernel: Support copying modules to recovery

Change-Id: Iac275cfbea368d47f9cc8e756649ab094d9c57c5

build/tasks/kernel.mk

@@ -405,6 +405,12 @@ KERNEL_VENDOR_RAMDISK_DEPMOD_STAGING_DIR := $(KERNEL_BUILD_OUT_PREFIX)$(call int
 $(INTERNAL_VENDOR_RAMDISK_TARGET): $(TARGET_PREBUILT_INT_KERNEL)
 endif
 
+ifneq ($(RECOVERY_KERNEL_MODULES),)
+KERNEL_RECOVERY_DEPMOD_STAGING_DIR := $(KERNEL_BUILD_OUT_PREFIX)$(call intermediates-dir-for,PACKAGING,depmod_recovery)
+KERNEL_RECOVERY_MODULES_OUT := $(TARGET_RECOVERY_ROOT_OUT)
+$(recovery_uncompressed_ramdisk): $(TARGET_PREBUILT_INT_KERNEL)
+endif
+
 $(KERNEL_OUT):
 	mkdir -p $(KERNEL_OUT)
 
@@ -447,6 +453,14 @@ $(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_CONFIG) $(DEPMOD) $(DTC) $(PAHOLE)
 				[ $$? -ne 0 ] && exit 1; \
 				($(call build-image-kernel-modules-custom,$$vendor_boot_modules,$(KERNEL_VENDOR_RAMDISK_MODULES_OUT),/,$(KERNEL_VENDOR_RAMDISK_DEPMOD_STAGING_DIR),$(BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD))); \
 			) \
+			$(if $(RECOVERY_KERNEL_MODULES),\
+				recovery_modules=$$(for m in $(RECOVERY_KERNEL_MODULES); do \
+					p=$$(find $$kernel_modules_dir -type f -name $$m); \
+					if [ -n "$$p" ]; then echo $$p; else echo "ERROR: $$m from RECOVERY_KERNEL_MODULES was not found" 1>&2 && exit 1; fi; \
+				done); \
+				[ $$? -ne 0 ] && exit 1; \
+				($(call build-image-kernel-modules-lineage,$$recovery_modules,$(KERNEL_RECOVERY_MODULES_OUT),/,$(KERNEL_RECOVERY_DEPMOD_STAGING_DIR),$(BOARD_RECOVERY_RAMDISK_KERNEL_MODULES_LOAD))); \
+			) \
 		fi
 
 .PHONY: kerneltags