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 ($(CONFIG_JFFS2_LZMA),y)
  42   JFFS2OPTS += -x lzma
  43 endif
  44
  45 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  46 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  47   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  48 endif
  49 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  50   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
  51 endif
  52
  53 JFFS2_BLOCKSIZE ?= 64k 128k
  54
  55 define add_jffs2_mark
  56         echo -ne '\xde\xad\xc0\xde' >> $(1)
  57 endef
  58
  59 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  60 define prepare_generic_squashfs
  61         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  62         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  63         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  64         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  65         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  66         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  67         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  68         $(call add_jffs2_mark,$(1))
  69         rm -f $(KDIR)/tmpfile.*
  70 endef
  71
  72
  73 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  74
  75   define Image/BuildKernel
  76                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  77                 $(call Image/Build/Initramfs)
  78   endef
  79
  80 else
  81
  82   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  83     define Image/mkfs/jffs2/sub
  84                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  85                 $(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 '/^.+$$$$/'
  86                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  87                 $(call Image/Build,jffs2-$(1))
  88     endef
  89     define Image/mkfs/jffs2
  90                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  91     endef
  92   endif
  93
  94   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
  95     define Image/mkfs/squashfs
  96                 @mkdir -p $(TARGET_DIR)/overlay
  97                 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
  98                 $(call Image/Build,squashfs)
  99     endef
 100   endif
 101
 102   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 103     define Image/mkfs/ubifs
 104                 $(CP) ./ubinize.cfg $(KDIR)
 105                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
 106                 (cd $(KDIR); \
 107                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 108                 $(call Image/Build,ubi)
 109     endef
 110   endif
 111
 112 endif
 113
 114 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 115   define Image/mkfs/cpiogz
 116                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 117   endef
 118 endif
 119
 120 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 121   define Image/mkfs/targz
 122                 # Preserve permissions (-p) when building as non-root user
 123                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 124   endef
 125 endif
 126
 127 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 128   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 129
 130   define Image/mkfs/ext4
 131 # generate an ext2 fs
 132         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
 133 # convert it to ext4
 134         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 135 # fix it up
 136         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 137         $(call Image/Build,ext4)
 138   endef
 139 endif
 140
 141 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 142   define Image/mkfs/iso
 143                 $(call Image/Build,iso)
 144   endef
 145 endif
 146
 147
 148 define Image/mkfs/prepare/default
 149         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 150         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
 151         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 152         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 153         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 154         chmod 0777 $(TARGET_DIR)/tmp
 155 endef
 156
 157 define Image/mkfs/prepare
 158         $(call Image/mkfs/prepare/default)
 159 endef
 160
 161
 162 define Image/Checksum
 163         ( cd ${BIN_DIR} ; \
 164                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 165                 md5sum --binary > md5sums \
 166         )
 167 endef
 168
 169
 170 define BuildImage
 171
 172   download:
 173   prepare:
 174
 175   ifeq ($(IB),)
 176     compile: compile-targets FORCE
 177                 $(call Build/Compile)
 178   else
 179     compile:
 180   endif
 181
 182   ifeq ($(IB),)
 183     install: compile install-targets FORCE
 184                 $(call Image/Prepare)
 185                 $(call Image/mkfs/prepare)
 186                 $(call Image/BuildKernel)
 187                 $(call Image/mkfs/cpiogz)
 188                 $(call Image/mkfs/targz)
 189                 $(call Image/mkfs/ext4)
 190                 $(call Image/mkfs/iso)
 191                 $(call Image/mkfs/jffs2)
 192                 $(call Image/mkfs/squashfs)
 193                 $(call Image/mkfs/ubifs)
 194                 $(call Image/Checksum)
 195   else
 196     install: compile install-targets
 197                 $(call Image/BuildKernel)
 198                 $(call Image/mkfs/cpiogz)
 199                 $(call Image/mkfs/targz)
 200                 $(call Image/mkfs/ext4)
 201                 $(call Image/mkfs/iso)
 202                 $(call Image/mkfs/jffs2)
 203                 $(call Image/mkfs/squashfs)
 204                 $(call Image/mkfs/ubifs)
 205                 $(call Image/Checksum)
 206   endif
 207
 208   ifeq ($(IB),)
 209     clean: clean-targets
 210                 $(call Build/Clean)
 211   else
 212     clean:
 213   endif
 214
 215   compile-targets:
 216   install-targets:
 217   clean-targets:
 218
 219 endef