include/image.mk

   1 #
   2 # Copyright (C) 2006-2010 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=$(KERNEL_BUILD_DIR)
  17
  18 IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  19
  20 ifneq ($(CONFIG_BIG_ENDIAN),)
  21   JFFS2OPTS     :=  --pad --big-endian --squash -v
  22 else
  23   JFFS2OPTS     :=  --pad --little-endian --squash -v
  24 endif
  25
  26 ifeq ($(CONFIG_JFFS2_RTIME),y)
  27   JFFS2OPTS += -X rtime
  28 endif
  29 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  30   JFFS2OPTS += -X zlib
  31 endif
  32 ifeq ($(CONFIG_JFFS2_LZMA),y)
  33   JFFS2OPTS += -X lzma --compression-mode=size
  34 endif
  35 ifneq ($(CONFIG_JFFS2_RTIME),y)
  36   JFFS2OPTS +=  -x rtime
  37 endif
  38 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  39   JFFS2OPTS += -x zlib
  40 endif
  41 ifneq ($(CONFIG_JFFS2_LZMA),y)
  42   JFFS2OPTS += -x lzma
  43 endif
  44
  45 SQUASHFSCOMP := gzip
  46 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  47 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  48   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  49 endif
  50 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  51   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
  52 endif
  53
  54 JFFS2_BLOCKSIZE ?= 64k 128k
  55
  56 define add_jffs2_mark
  57         echo -ne '\xde\xad\xc0\xde' >> $(1)
  58 endef
  59
  60 # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
  61 define prepare_generic_squashfs
  62         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
  63 endef
  64
  65
  66 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  67
  68   define Image/BuildKernel
  69                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  70                 $(call Image/Build/Initramfs)
  71   endef
  72
  73 else
  74
  75   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  76     define Image/mkfs/jffs2/sub
  77                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  78                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
  79                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  80                 $(call Image/Build,jffs2-$(1))
  81     endef
  82     define Image/mkfs/jffs2
  83                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  84     endef
  85   endif
  86
  87   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
  88     define Image/mkfs/squashfs
  89                 @mkdir -p $(TARGET_DIR)/overlay
  90                 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
  91                 $(call Image/Build,squashfs)
  92     endef
  93   endif
  94
  95   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
  96     define Image/mkfs/ubifs
  97                 $(CP) ./ubinize.cfg $(KDIR)
  98                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
  99                 (cd $(KDIR); \
 100                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 101                 $(call Image/Build,ubi)
 102     endef
 103   endif
 104
 105 endif
 106
 107 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 108   define Image/mkfs/cpiogz
 109                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 110   endef
 111 endif
 112
 113 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 114   define Image/mkfs/targz
 115                 # Preserve permissions (-p) when building as non-root user
 116                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 117   endef
 118 endif
 119
 120 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 121   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 122
 123   define Image/mkfs/ext4
 124 # generate an ext2 fs
 125         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
 126 # convert it to ext4
 127         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 128 # fix it up
 129         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 130         $(call Image/Build,ext4)
 131   endef
 132 endif
 133
 134 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 135   define Image/mkfs/iso
 136                 $(call Image/Build,iso)
 137   endef
 138 endif
 139
 140
 141 define Image/mkfs/prepare/default
 142         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 143         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
 144         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 145         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 146         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 147         chmod 0777 $(TARGET_DIR)/tmp
 148 endef
 149
 150 define Image/mkfs/prepare
 151         $(call Image/mkfs/prepare/default)
 152 endef
 153
 154
 155 define Image/Checksum
 156         ( cd ${BIN_DIR} ; \
 157                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 158                 md5sum --binary > md5sums \
 159         )
 160 endef
 161
 162
 163 define BuildImage
 164
 165   download:
 166   prepare:
 167
 168   ifeq ($(IB),)
 169     compile: compile-targets FORCE
 170                 $(call Build/Compile)
 171   else
 172     compile:
 173   endif
 174
 175   ifeq ($(IB),)
 176     install: compile install-targets FORCE
 177                 $(call Image/Prepare)
 178                 $(call Image/mkfs/prepare)
 179                 $(call Image/BuildKernel)
 180                 $(call Image/mkfs/cpiogz)
 181                 $(call Image/mkfs/targz)
 182                 $(call Image/mkfs/ext4)
 183                 $(call Image/mkfs/iso)
 184                 $(call Image/mkfs/jffs2)
 185                 $(call Image/mkfs/squashfs)
 186                 $(call Image/mkfs/ubifs)
 187                 $(call Image/Checksum)
 188   else
 189     install: compile install-targets
 190                 $(call Image/BuildKernel)
 191                 $(call Image/mkfs/cpiogz)
 192                 $(call Image/mkfs/targz)
 193                 $(call Image/mkfs/ext4)
 194                 $(call Image/mkfs/iso)
 195                 $(call Image/mkfs/jffs2)
 196                 $(call Image/mkfs/squashfs)
 197                 $(call Image/mkfs/ubifs)
 198                 $(call Image/Checksum)
 199   endif
 200
 201   ifeq ($(IB),)
 202     clean: clean-targets
 203                 $(call Build/Clean)
 204   else
 205     clean:
 206   endif
 207
 208   compile-targets:
 209   install-targets:
 210   clean-targets:
 211
 212 endef