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_21)$(CONFIG_LINUX_2_6_25)$(CONFIG_LINUX_2_6_28),)
  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 else
  90   define Image/BuildKernel
  91         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
  92         $(call Image/Build/Initramfs)
  93   endef
  94 endif
  95
  96 define Image/Checksum
  97         ( cd ${BIN_DIR} ; \
  98                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | xargs \
  99                 md5sum --binary > md5sums \
 100         )
 101 endef
 102
 103
 104 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
 105   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
 106
 107   define Image/mkfs/ext2
 108                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 109                 $(call Image/Build,ext2)
 110   endef
 111 endif
 112
 113 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
 114   define Image/mkfs/iso
 115                 $(call Image/Build,iso)
 116   endef
 117 endif
 118
 119
 120 define Image/mkfs/prepare/default
 121         - find $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
 122         - find $(TARGET_DIR) -type f -perm +0100 | $(XARGS) chmod 0755
 123         - find $(TARGET_DIR) -type d | $(XARGS) chmod 0755
 124         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 125         chmod 0777 $(TARGET_DIR)/tmp
 126 endef
 127
 128 define Image/mkfs/prepare
 129         $(call Image/mkfs/prepare/default)
 130 endef
 131
 132 define BuildImage
 133 download:
 134 prepare:
 135 ifneq ($(IB),1)
 136   compile: compile-targets FORCE
 137         $(call Build/Compile)
 138 else
 139   compile:
 140 endif
 141
 142 ifneq ($(IB),1)
 143   install: compile install-targets FORCE
 144         $(call Image/Prepare)
 145         $(call Image/mkfs/prepare)
 146         $(call Image/BuildKernel)
 147         $(call Image/mkfs/jffs2)
 148         $(call Image/mkfs/squashfs)
 149         $(call Image/mkfs/tgz)
 150         $(call Image/mkfs/cpiogz)
 151         $(call Image/mkfs/ext2)
 152         $(call Image/mkfs/iso)
 153         $(call Image/Checksum)
 154 else
 155   install: compile install-targets
 156         $(call Image/BuildKernel)
 157         $(call Image/mkfs/jffs2)
 158         $(call Image/mkfs/squashfs)
 159         $(call Image/mkfs/tgz)
 160         $(call Image/mkfs/cpiogz)
 161         $(call Image/mkfs/ext2)
 162         $(call Image/mkfs/iso)
 163         $(call Image/Checksum)
 164 endif
 165
 166 ifneq ($(IB),1)
 167   clean: clean-targets
 168         $(call Build/Clean)
 169 else
 170   clean:
 171 endif
 172
 173 compile-targets:
 174 install-targets:
 175 clean-targets:
 176 endef
 177
 178