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 ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
  27 USE_SQUASHFS3 := y
  28 endif
  29
  30 ifneq ($(USE_SQUASHFS3),)
  31 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
  32 else
  33 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
  34 SQUASHFS_OPTS  := -comp lzma -processors 1
  35 endif
  36
  37 JFFS2_BLOCKSIZE ?= 64k 128k
  38
  39 define add_jffs2_mark
  40         echo -ne '\xde\xad\xc0\xde' >> $(1)
  41 endef
  42
  43 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  44 define prepare_generic_squashfs
  45         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  46         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  47         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  48         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  49         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  50         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  51         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  52         $(call add_jffs2_mark,$(1))
  53         rm -f $(KDIR)/tmpfile.*
  54 endef
  55
  56 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  57   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  58     define Image/mkfs/jffs2/sub
  59                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  60                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
  61                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  62                 $(call Image/Build,jffs2-$(1))
  63     endef
  64     define Image/mkfs/jffs2
  65                 rm -rf $(TARGET_DIR)/jffs
  66                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  67     endef
  68   endif
  69
  70   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  71     define Image/mkfs/squashfs
  72                 @mkdir -p $(TARGET_DIR)/jffs
  73                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  74                 $(call Image/Build,squashfs)
  75     endef
  76   endif
  77
  78   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  79     define Image/mkfs/tgz
  80                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
  81     endef
  82   endif
  83
  84   ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
  85     define Image/mkfs/cpiogz
  86                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/openwrt-$(BOARD)-rootfs.cpio.gz )
  87     endef
  88   endif
  89   ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
  90     define Image/mkfs/ubifs
  91                 $(CP) ./ubinize.cfg $(KDIR)
  92                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
  93                 (cd $(KDIR); \
  94                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
  95                 $(call Image/Build,ubi)
  96     endef
  97   endif
  98 else
  99   define Image/BuildKernel
 100         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
 101         $(call Image/Build/Initramfs)
 102   endef
 103 endif
 104
 105 define Image/Checksum
 106         ( cd ${BIN_DIR} ; \
 107                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | xargs \
 108                 md5sum --binary > md5sums \
 109         )
 110 endef
 111
 112
 113 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
 114   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
 115
 116   define Image/mkfs/ext2
 117                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 118                 $(call Image/Build,ext2)
 119   endef
 120 endif
 121
 122 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
 123   define Image/mkfs/iso
 124                 $(call Image/Build,iso)
 125   endef
 126 endif
 127
 128
 129 define Image/mkfs/prepare/default
 130         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 131         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 132         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 133         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 134         chmod 0777 $(TARGET_DIR)/tmp
 135 endef
 136
 137 define Image/mkfs/prepare
 138         $(call Image/mkfs/prepare/default)
 139 endef
 140
 141 define BuildImage
 142 download:
 143 prepare:
 144 ifneq ($(IB),1)
 145   compile: compile-targets FORCE
 146         $(call Build/Compile)
 147 else
 148   compile:
 149 endif
 150
 151 ifneq ($(IB),1)
 152   install: compile install-targets FORCE
 153         $(call Image/Prepare)
 154         $(call Image/mkfs/prepare)
 155         $(call Image/BuildKernel)
 156         $(call Image/mkfs/jffs2)
 157         $(call Image/mkfs/squashfs)
 158         $(call Image/mkfs/tgz)
 159         $(call Image/mkfs/cpiogz)
 160         $(call Image/mkfs/ext2)
 161         $(call Image/mkfs/iso)
 162         $(call Image/mkfs/ubifs)
 163         $(call Image/Checksum)
 164 else
 165   install: compile install-targets
 166         $(call Image/BuildKernel)
 167         $(call Image/mkfs/jffs2)
 168         $(call Image/mkfs/squashfs)
 169         $(call Image/mkfs/tgz)
 170         $(call Image/mkfs/cpiogz)
 171         $(call Image/mkfs/ext2)
 172         $(call Image/mkfs/iso)
 173         $(call Image/mkfs/ubifs)
 174         $(call Image/Checksum)
 175 endif
 176
 177 ifneq ($(IB),1)
 178   clean: clean-targets
 179         $(call Build/Clean)
 180 else
 181   clean:
 182 endif
 183
 184 compile-targets:
 185 install-targets:
 186 clean-targets:
 187 endef
 188
 189