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 include $(INCLUDE_DIR)/prereq.mk
   9 include $(INCLUDE_DIR)/kernel.mk
  10 include $(INCLUDE_DIR)/host.mk
  11 KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  12
  13 ifneq ($(CONFIG_BIG_ENDIAN),y)
  14 JFFS2OPTS     :=  --pad --little-endian --squash
  15 SQUASHFS_OPTS :=  -le
  16 else
  17 JFFS2OPTS     :=  --pad --big-endian --squash
  18 SQUASHFS_OPTS :=  -be
  19 endif
  20
  21 JFFS2_BLOCKSIZE ?= 64k 128k
  22
  23 define add_jffs2_mark
  24         echo -ne '\xde\xad\xc0\xde' >> $(1)
  25 endef
  26
  27 # pad to 64k and add jffs2 end-of-filesystem mark
  28 # do this twice to make sure that this works with 128k blocksize as well
  29 define prepare_generic_squashfs
  30         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  31         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  32         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  33         $(call add_jffs2_mark,$(1))
  34 endef
  35
  36 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  37   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  38     define Image/mkfs/jffs2
  39                 rm -rf $(BUILD_DIR)/root/jffs
  40
  41                 $(foreach SZ,$(JFFS2_BLOCKSIZE),\
  42                         $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(SZ)) -o $(KDIR)/root.jffs2-$(SZ) -d $(BUILD_DIR)/root; \
  43                         $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(SZ)); \
  44                         $(call Image/Build,jffs2-$(SZ)) \
  45                 )
  46     endef
  47   endif
  48
  49   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  50     define Image/mkfs/squashfs
  51                 @mkdir -p $(BUILD_DIR)/root/jffs
  52                 $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  53                 $(call Image/Build,squashfs)
  54     endef
  55   endif
  56
  57   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  58     define Image/mkfs/tgz
  59                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
  60     endef
  61   endif
  62 else
  63   define Image/BuildKernel
  64         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf
  65         $(call Image/Build/Initramfs)
  66   endef
  67 endif
  68
  69
  70 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  71   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  72
  73   define Image/mkfs/ext2
  74                 $(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
  75                 $(call Image/Build,ext2)
  76   endef
  77 endif
  78
  79
  80 define Image/mkfs/prepare/default
  81         find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
  82         find $(BUILD_DIR)/root -type f -perm +0100 | $(XARGS) chmod 0755
  83         find $(BUILD_DIR)/root -type d | $(XARGS) chmod 0755
  84         mkdir -p $(BUILD_DIR)/root/tmp
  85         chmod 0777 $(BUILD_DIR)/root/tmp
  86 endef
  87
  88 define Image/mkfs/prepare
  89         $(call Image/mkfs/prepare/default)
  90 endef
  91
  92 define BuildImage
  93 download:
  94 prepare:
  95 ifneq ($(IB),1)
  96   compile: compile-targets
  97         $(call Build/Compile)
  98 else
  99   compile:
 100 endif
 101
 102 ifneq ($(IB),1)
 103   install: compile install-targets
 104         $(call Image/Prepare)
 105         $(call Image/mkfs/prepare)
 106         $(call Image/BuildKernel)
 107         $(call Image/mkfs/jffs2)
 108         $(call Image/mkfs/squashfs)
 109         $(call Image/mkfs/tgz)
 110         $(call Image/mkfs/ext2)
 111 else
 112   install: compile install-targets
 113         $(call Image/BuildKernel)
 114         $(call Image/mkfs/jffs2)
 115         $(call Image/mkfs/squashfs)
 116         $(call Image/mkfs/tgz)
 117         $(call Image/mkfs/ext2)
 118 endif
 119
 120 ifneq ($(IB),1)
 121   clean: clean-targets
 122         $(call Build/Clean)
 123 else
 124   clean:
 125 endif
 126
 127 compile-targets:
 128 install-targets:
 129 clean-targets:
 130 endef
 131
 132