Fix custom initramfs generation

ftCommunity · Jul 23, 2018 · d64af48 · d64af48
1 parent ef26ffd
commit d64af48
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Showing 2 changed files with 19 additions and 3 deletions.
diff --git a/fs/initramfs/initramfs.mk b/fs/initramfs/initramfs.mk
@@ -4,6 +4,12 @@
 #
 ################################################################################
 
+ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS_ROOTFS),y)
+ROOTFS_INITRAMFS_DEPENDENCIES += rootfs-cpio
+endif
+
+ROOTFS_INITRAMFS_DEPENDENCIES += $(BINARIES_DIR)/initramfs.cpio
+
 # The generic fs infrastructure isn't very useful here.
 #
 # The initramfs image does not actually build an image; its only purpose is:
@@ -26,6 +32,16 @@ rootfs-initramfs-show-depends:
 
 .PHONY: rootfs-initramfs rootfs-initramfs-show-depends
 
+ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS_ROOTFS),y)
+$(BINARIES_DIR)/initramfs.cpio: rootfs-cpio
+	ln -sf rootfs.cpio $(BINARIES_DIR)/initramfs.cpio
+endif
+
+ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS_CUSTOM),y)
+$(BINARIES_DIR)/initramfs.cpio: target-finalize $(call qstrip,$(BR2_TARGET_ROOTFS_INITRAMFS_CUSTOM_CONTENTS))
+	$(LINUX_DIR)/usr/gen_init_cpio $(BR2_TARGET_ROOTFS_INITRAMFS_CUSTOM_CONTENTS) > $(BINARIES_DIR)/initramfs.cpio
+endif
+
 ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
 TARGETS_ROOTFS += rootfs-initramfs
 endif
diff --git a/linux/linux.mk b/linux/linux.mk
@@ -278,8 +278,8 @@ define LINUX_KCONFIG_FIXUP_CMDS
 	# replaced later by the real cpio archive, and the kernel will be
 	# rebuilt using the linux-rebuild-with-initramfs target.
 	$(if $(BR2_TARGET_ROOTFS_INITRAMFS),
-		touch $(BINARIES_DIR)/rootfs.cpio
-		$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,"$${BR_BINARIES_DIR}/rootfs.cpio",$(@D)/.config)
+		touch $(BINARIES_DIR)/initramfs.cpio
+		$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,"$${BR_BINARIES_DIR}/initramfs.cpio",$(@D)/.config)
 		$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_UID,0,$(@D)/.config)
 		$(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_GID,0,$(@D)/.config))
 	$(if $(BR2_ROOTFS_DEVICE_CREATION_STATIC),,
@@ -505,7 +505,7 @@ $(eval $(kconfig-package))
 .PHONY: linux-rebuild-with-initramfs
 linux-rebuild-with-initramfs: $(LINUX_DIR)/.stamp_target_installed
 linux-rebuild-with-initramfs: $(LINUX_DIR)/.stamp_images_installed
-linux-rebuild-with-initramfs: rootfs-cpio
+linux-rebuild-with-initramfs: $(BINARIES_DIR)/initramfs.cpio
 linux-rebuild-with-initramfs:
 	@$(call MESSAGE,"Rebuilding kernel with initramfs")
 	# Build the kernel.