include/image.mk

   1 #
   2 # Copyright (C) 2006 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 include $(INCLUDE_DIR)/prereq.mk
   9 include $(INCLUDE_DIR)/kernel.mk
  10 include $(INCLUDE_DIR)/host.mk
  11 KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  12
  13 ifneq ($(CONFIG_BIG_ENDIAN),y)
  14 JFFS2OPTS     :=  --pad --little-endian --squash
  15 SQUASHFS_OPTS :=  -le
  16 else
  17 JFFS2OPTS     :=  --pad --big-endian --squash
  18 SQUASHFS_OPTS :=  -be
  19 endif
  20
  21 define add_jffs2_mark
  22         echo -ne '\xde\xad\xc0\xde' >> $(1)
  23 endef
  24
  25 # pad to 64k and add jffs2 end-of-filesystem mark
  26 # do this twice to make sure that this works with 128k blocksize as well
  27 define prepare_generic_squashfs
  28         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  29         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  30         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  31         $(call add_jffs2_mark,$(1))
  32 endef
  33
  34 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  35   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  36     define Image/mkfs/jffs2
  37                 rm -rf $(BUILD_DIR)/root/jffs
  38
  39                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x10000 -o $(KDIR)/root.jffs2-64k -d $(BUILD_DIR)/root
  40                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x20000 -o $(KDIR)/root.jffs2-128k -d $(BUILD_DIR)/root
  41
  42
  43                 # add End-of-Filesystem markers
  44                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-64k)
  45                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-128k)
  46
  47                 $(call Image/Build,jffs2-64k)
  48                 $(call Image/Build,jffs2-128k)
  49     endef
  50   endif
  51
  52   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  53     define Image/mkfs/squashfs
  54                 @mkdir -p $(BUILD_DIR)/root/jffs
  55                 $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  56                 $(call Image/Build,squashfs)
  57     endef
  58   endif
  59
  60   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  61     define Image/mkfs/tgz
  62                 tar -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
  63     endef
  64   endif
  65 else
  66   define Image/BuildKernel
  67         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf
  68   endef
  69 endif
  70
  71
  72 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  73   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  74
  75   define Image/mkfs/ext2
  76                 $(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
  77                 $(call Image/Build,ext2)
  78   endef
  79 endif
  80
  81
  82 define Image/mkfs/prepare/default
  83         find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
  84         find $(BUILD_DIR)/root -type f -perm +0100 | $(XARGS) chmod 0755
  85         find $(BUILD_DIR)/root -type d | $(XARGS) chmod 0755
  86         mkdir -p $(BUILD_DIR)/root/tmp
  87         chmod 0777 $(BUILD_DIR)/root/tmp
  88 endef
  89
  90 define Image/mkfs/prepare
  91         $(call Image/mkfs/prepare/default)
  92 endef
  93
  94 define BuildImage
  95 download:
  96 prepare:
  97 ifneq ($(IB),1)
  98   compile: compile-targets
  99         $(call Build/Compile)
 100 else
 101   compile:
 102 endif
 103
 104 ifneq ($(IB),1)
 105   install: compile install-targets
 106         $(call Image/Prepare)
 107         $(call Image/mkfs/prepare)
 108         $(call Image/BuildKernel)
 109         $(call Image/mkfs/jffs2)
 110         $(call Image/mkfs/squashfs)
 111         $(call Image/mkfs/tgz)
 112         $(call Image/mkfs/ext2)
 113 else
 114   install: compile install-targets
 115         $(call Image/BuildKernel)
 116         $(call Image/mkfs/jffs2)
 117         $(call Image/mkfs/squashfs)
 118         $(call Image/mkfs/tgz)
 119         $(call Image/mkfs/ext2)
 120 endif
 121
 122 ifneq ($(IB),1)
 123   clean: clean-targets
 124         $(call Build/Clean)
 125 else
 126   clean:
 127 endif
 128
 129 compile-targets:
 130 install-targets:
 131 clean-targets:
 132 endef
 133
 134