image.mk: add a BuildDTB define

[openwrt/svn-archive/archive.git] / include / image.mk

diff --git a/include/image.mk b/include/image.mk
index a6237ff2e251ea66bd8ee4d7565df661449a4c6d..a20e090fe73f65148a46500ec4c3e189239eb860 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
@@ -321,11 +342,18 @@ endef
 
 define Build/check-size
        @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
-               echo "WARNING: Image file $@ is too big"; \
+               echo "WARNING: Image file $@ is too big" >&2; \
                rm -f $@; \
        }
 endef
 
+define Build/combined-image
+       -sh $(TOPDIR)/scripts/combined-image.sh \
+               "$(word 1,$^)" \
+               "$@" \
+               "$@.new"
+       @mv $@.new $@
+endef
 
 define Device/Init
   PROFILES := $(PROFILE)
@@ -359,50 +387,67 @@ endef
 
 define Device/Check
   _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
+  _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES))),compile,compile-disabled)
 endef
 
+ifndef IB
 define Device/Build/initramfs
   $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 
-  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_IMAGE)
+  $(KDIR)/$$(KERNEL_NAME)-initramfs: image_prepare
+  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
        cp $$^ $$@
 
-  $(KDIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_NAME)-initramfs
+  $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_NAME)-initramfs
        @rm -f $$@
        $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 endef
+endif
 
 define Device/Build/check_size
        @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
-               echo "WARNING: Image file $@ is too big"; \
+               echo "WARNING: Image file $@ is too big" >&2; \
                rm -f $@; \
        }
 endef
 
+define Device/Build/compile
+  $$(_COMPILE_TARGET): $(KDIR)/$(1)
+  $(eval $(call Device/Export,$(KDIR)/$(1)))
+  $(KDIR)/$(1):
+       $$(call concat_cmd,$(COMPILE/$(1)))
+
+endef
+
 define Device/Build/kernel
   _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
   $(KDIR)/$$(KERNEL_NAME): image_prepare
   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
   $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
        cp $$^ $$@
-  $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME)
+  ifndef IB
+    ifdef CONFIG_IB
+      install: $(KDIR)/$$(KERNEL_IMAGE)
+    endif
+    $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME)
        @rm -f $$@
        $$(call concat_cmd,$$(KERNEL))
        $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
+  endif
 endef
 
 define Device/Build/image
   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
   $(eval $(call Device/Export,$(KDIR)/$(KERNEL_IMAGE),$(1)))
-  $(eval $(call Device/Export,$(KDIR)/$(KERNEL_INITRAMFS_IMAGE),$(1)))
-  $(eval $(call Device/Export,$(KDIR)/$(call IMAGE_NAME,$(1),$(2)),$(1)))
-  $(KDIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(KERNEL_INITRAMFS_IMAGE),$(1)))
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
+  $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
        @rm -f $$@
        [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
        $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 
   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
-  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$(call IMAGE_NAME,$(1),$(2))
+  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
        cp $$^ $$@
 
 endef
@@ -411,6 +456,9 @@ define Device/Build
   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
   $(call Device/Build/kernel,$(1))
 
+  $$(eval $$(foreach compile,$$(COMPILE), \
+    $$(call Device/Build/compile,$$(compile),$(1))))
+
   $$(eval $$(foreach image,$$(IMAGES), \
     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
@@ -442,7 +490,11 @@ define BuildImage
                $(call Build/Clean)
 
     image_prepare: compile
+               mkdir -p $(KDIR)/tmp
                $(call Image/Prepare)
+  else
+    image_prepare:
+               mkdir -p $(KDIR)/tmp
   endif
 
   mkfs_prepare: image_prepare
@@ -450,7 +502,7 @@ define BuildImage
 
   kernel_prepare: mkfs_prepare
        $(call Image/BuildKernel)
-       $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
+       $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
        $(call Image/InstallKernel)
 
   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))