target/jffs2/jffs2root.mk

   1 #############################################################
   2 #
   3 # Build the jffs2 root filesystem image
   4 #
   5 #############################################################
   6
   7 JFFS2_OPTS := -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
   8 SUMTOOL_OPTS := $(JFFS2_OPTS)
   9
  10 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_PAD),y)
  11 ifneq ($(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE)),0x0)
  12 JFFS2_OPTS += --pad=$(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE))
  13 else
  14 JFFS2_OPTS += -p
  15 endif
  16 SUMTOOL_OPTS += -p
  17 endif
  18
  19 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_LE),y)
  20 JFFS2_OPTS += -l
  21 SUMTOOL_OPTS += -l
  22 endif
  23
  24 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_BE),y)
  25 JFFS2_OPTS += -b
  26 SUMTOOL_OPTS += -b
  27 endif
  28
  29 JFFS2_OPTS += -s $(BR2_TARGET_ROOTFS_JFFS2_PAGESIZE)
  30 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER),y)
  31 JFFS2_OPTS += -n
  32 SUMTOOL_OPTS += -n
  33 endif
  34
  35 JFFS2_TARGET := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_JFFS2_OUTPUT)))
  36 #"))
  37 ifneq ($(TARGET_DEVICE_TABLE),)
  38 JFFS2_OPTS += -D $(TARGET_DEVICE_TABLE)
  39 endif
  40
  41
  42 #
  43 # mtd-host is a dependency which builds a local copy of mkfs.jffs2 if it is needed.
  44 # the actual build is done from package/mtd/mtd.mk and it sets the
  45 # value of MKFS_JFFS2 to either the previously installed copy or the one
  46 # just built.
  47 #
  48 $(JFFS2_TARGET): host-fakeroot makedevs mtd-host
  49         # Use fakeroot to pretend all target binaries are owned by root
  50         rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  51         touch $(PROJECT_BUILD_DIR)/.fakeroot.00000
  52         cat $(PROJECT_BUILD_DIR)/.fakeroot* > $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  53         echo "chown -R 0:0 $(TARGET_DIR)" >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  54 ifneq ($(TARGET_DEVICE_TABLE),)
  55         # Use fakeroot to pretend to create all needed device nodes
  56         echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
  57                 >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  58 endif
  59         # Use fakeroot so mkfs.jffs2 believes the previous fakery
  60 ifneq ($(BR2_TARGET_ROOTFS_JFFS2_SUMMARY),)
  61         echo "$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $(JFFS2_TARGET).nosummary && " \
  62                 "$(SUMTOOL) $(SUMTOOL_OPTS) -i $(JFFS2_TARGET).nosummary -o $(JFFS2_TARGET) && " \
  63                 "rm $(JFFS2_TARGET).nosummary" \
  64                 >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  65 else
  66         echo "$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $(JFFS2_TARGET)" \
  67                 >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  68 endif
  69         chmod a+x $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  70         $(HOST_DIR)/usr/bin/fakeroot -- $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  71         -@rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(JFFS2_TARGET))
  72         @ls -l $(JFFS2_TARGET)
  73 ifeq ($(BR2_JFFS2_TARGET_SREC),y)
  74         $(TARGET_CROSS)objcopy -I binary -O srec --adjust-vma 0xa1000000 $(JFFS2_TARGET) $(JFFS2_TARGET).srec
  75         @ls -l $(JFFS2_TARGET).srec
  76 endif
  77
  78 JFFS2_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_JFFS2_COPYTO)))
  79 #"))
  80
  81 jffs2root: $(JFFS2_TARGET)
  82 ifneq ($(JFFS2_COPYTO),)
  83         @cp -f $(JFFS2_TARGET) $(JFFS2_COPYTO)
  84 endif
  85
  86 jffs2root-source: mtd-host-source
  87
  88 jffs2root-clean: mtd-host-clean
  89         -rm -f $(JFFS2_TARGET)
  90
  91 jffs2root-dirclean: mtd-host-dirclean
  92         -rm -f $(JFFS2_TARGET)
  93
  94 #############################################################
  95 #
  96 # Toplevel Makefile options
  97 #
  98 #############################################################
  99 ifeq ($(BR2_TARGET_ROOTFS_JFFS2),y)
 100 TARGETS+=jffs2root
 101 endif