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 override TARGET_BUILD=
   9 include $(INCLUDE_DIR)/prereq.mk
  10 include $(INCLUDE_DIR)/kernel.mk
  11 include $(INCLUDE_DIR)/host.mk
  12
  13 .NOTPARALLEL:
  14 override MAKEFLAGS=
  15 override MAKE:=$(SUBMAKE)
  16 KDIR=$(KERNEL_BUILD_DIR)
  17
  18 ifneq ($(CONFIG_BIG_ENDIAN),y)
  19 JFFS2OPTS     :=  --pad --little-endian --squash
  20 SQUASHFS_OPTS :=  -le
  21 else
  22 JFFS2OPTS     :=  --pad --big-endian --squash
  23 SQUASHFS_OPTS :=  -be
  24 endif
  25
  26 JFFS2_BLOCKSIZE ?= 64k 128k
  27
  28 define add_jffs2_mark
  29         echo -ne '\xde\xad\xc0\xde' >> $(1)
  30 endef
  31
  32 # pad to 64k and add jffs2 end-of-filesystem mark
  33 # do this twice to make sure that this works with 128k blocksize as well
  34 define prepare_generic_squashfs
  35         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  36         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  37         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  38         $(call add_jffs2_mark,$(1))
  39 endef
  40
  41 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  42   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  43     define Image/mkfs/jffs2/sub
  44                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  45                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
  46                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  47                 $(call Image/Build,jffs2-$(1))
  48     endef
  49     define Image/mkfs/jffs2
  50                 rm -rf $(TARGET_DIR)/jffs
  51                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  52     endef
  53   endif
  54
  55   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  56     define Image/mkfs/squashfs
  57                 @mkdir -p $(TARGET_DIR)/jffs
  58                 $(STAGING_DIR_HOST)/bin/mksquashfs-lzma $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  59                 $(call Image/Build,squashfs)
  60     endef
  61   endif
  62
  63   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  64     define Image/mkfs/tgz
  65                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-rootfs.tgz --owner=root --group=root -C $(TARGET_DIR)/ .
  66     endef
  67   endif
  68
  69   ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
  70     define Image/mkfs/cpiogz
  71                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/openwrt-$(BOARD)-rootfs.cpio.gz )
  72     endef
  73   endif
  74 else
  75   define Image/BuildKernel
  76         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
  77         $(call Image/Build/Initramfs)
  78   endef
  79 endif
  80
  81 define Image/Checksum
  82         ( cd ${BIN_DIR} ; \
  83                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | xargs \
  84                 md5sum > md5sums \
  85         )
  86 endef
  87
  88
  89 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  90   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  91
  92   define Image/mkfs/ext2
  93                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
  94                 $(call Image/Build,ext2)
  95   endef
  96 endif
  97
  98 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
  99   define Image/mkfs/iso
 100                 $(call Image/Build,iso)
 101   endef
 102 endif
 103
 104
 105 define Image/mkfs/prepare/default
 106         find $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
 107         find $(TARGET_DIR) -type f -perm +0100 | $(XARGS) chmod 0755
 108         find $(TARGET_DIR) -type d | $(XARGS) chmod 0755
 109         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 110         chmod 0777 $(TARGET_DIR)/tmp
 111 endef
 112
 113 define Image/mkfs/prepare
 114         $(call Image/mkfs/prepare/default)
 115 endef
 116
 117 define BuildImage
 118 download:
 119 prepare:
 120 ifneq ($(IB),1)
 121   compile: compile-targets FORCE
 122         $(call Build/Compile)
 123 else
 124   compile:
 125 endif
 126
 127 ifneq ($(IB),1)
 128   install: compile install-targets FORCE
 129         $(call Image/Prepare)
 130         $(call Image/mkfs/prepare)
 131         $(call Image/BuildKernel)
 132         $(call Image/mkfs/jffs2)
 133         $(call Image/mkfs/squashfs)
 134         $(call Image/mkfs/tgz)
 135         $(call Image/mkfs/cpiogz)
 136         $(call Image/mkfs/ext2)
 137         $(call Image/mkfs/iso)
 138         $(call Image/Checksum)
 139 else
 140   install: compile install-targets
 141         $(call Image/BuildKernel)
 142         $(call Image/mkfs/jffs2)
 143         $(call Image/mkfs/squashfs)
 144         $(call Image/mkfs/tgz)
 145         $(call Image/mkfs/cpiogz)
 146         $(call Image/mkfs/ext2)
 147         $(call Image/mkfs/iso)
 148         $(call Image/Checksum)
 149 endif
 150
 151 ifneq ($(IB),1)
 152   clean: clean-targets
 153         $(call Build/Clean)
 154 else
 155   clean:
 156 endif
 157
 158 compile-targets:
 159 install-targets:
 160 clean-targets:
 161 endef
 162
 163