image.mk: add a BuildDTB define

[openwrt.git] / include / image.mk

diff --git a/include/image.mk b/include/image.mk
index 36c6c63..a20e090 100644 (file)
--- a/include/image.mk
+++ b/include/image.mk
@@ -126,6 +126,22 @@ define Image/BuildKernel/MkFIT
        PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 endef
 
+# $(1) source dts file
+# $(2) target dtb file
+# $(3) extra CPP flags
+# $(4) extra DTC flags
+define Image/BuildDTB
+       $(CPP) -nostdinc -x assembler-with-cpp \
+               -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts \
+               -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts/include \
+               -undef -D__DTS__ $(3) \
+               -o $(2).tmp $(1)
+       $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
+               -i$(dir $(1)) $(4) \
+               -o $(2) $(2).tmp
+       $(RM) $(2).tmp
+endef
+
 define Image/mkfs/jffs2/sub
                $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
                $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
@@ -224,7 +240,7 @@ ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 endif
 
 define Image/mkfs/cpiogz
-       ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+       ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 endef
 
 define Image/mkfs/targz
@@ -304,6 +320,11 @@ define Build/append-rootfs
        dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 endef
 
+define Build/pad-to
+       dd if=$@ of=$@.new bs=$(1) conv=sync
+       mv $@.new $@
+endef
+
 define Build/pad-rootfs
        $(call prepare_generic_squashfs,$@ $(1))
 endef
@@ -326,6 +347,13 @@ define Build/check-size
        }
 endef
 
+define Build/combined-image
+       -sh $(TOPDIR)/scripts/combined-image.sh \
+               "$(word 1,$^)" \
+               "$@" \
+               "$@.new"
+       @mv $@.new $@
+endef
 
 define Device/Init
   PROFILES := $(PROFILE)
@@ -464,6 +492,9 @@ define BuildImage
     image_prepare: compile
                mkdir -p $(KDIR)/tmp
                $(call Image/Prepare)
+  else
+    image_prepare:
+               mkdir -p $(KDIR)/tmp
   endif
 
   mkfs_prepare: image_prepare