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 define add_jffs2_mark
  22         echo -ne '\xde\xad\xc0\xde' >> $(1)
  23 endef
  24
  25 # pad to 64k and add jffs2 end-of-filesystem mark
  26 # do this twice to make sure that this works with 128k blocksize as well
  27 define prepare_generic_squashfs
  28         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  29         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  30         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  31         $(call add_jffs2_mark,$(1))
  32 endef
  33
  34 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  35   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  36     define Image/mkfs/jffs2
  37                 rm -rf $(BUILD_DIR)/root/jffs
  38
  39                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x10000 -o $(KDIR)/root.jffs2-64k -d $(BUILD_DIR)/root
  40                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x20000 -o $(KDIR)/root.jffs2-128k -d $(BUILD_DIR)/root
  41                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x40000 -o $(KDIR)/root.jffs2-256k -d $(BUILD_DIR)/root
  42
  43
  44                 # add End-of-Filesystem markers
  45                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-64k)
  46                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-128k)
  47                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-256k)
  48
  49                 $(call Image/Build,jffs2-64k)
  50                 $(call Image/Build,jffs2-128k)
  51                 $(call Image/Build,jffs2-256k)
  52     endef
  53   endif
  54
  55   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  56     define Image/mkfs/squashfs
  57                 @mkdir -p $(BUILD_DIR)/root/jffs
  58                 $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  59                 $(call Image/Build,squashfs)
  60     endef
  61   endif
  62
  63   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  64     define Image/mkfs/tgz
  65                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
  66     endef
  67   endif
  68 else
  69   define Image/BuildKernel
  70         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf
  71         $(call Image/Build/Initramfs)
  72   endef
  73 endif
  74
  75
  76 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  77   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  78
  79   define Image/mkfs/ext2
  80                 $(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
  81                 $(call Image/Build,ext2)
  82   endef
  83 endif
  84
  85
  86 define Image/mkfs/prepare/default
  87         find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
  88         find $(BUILD_DIR)/root -type f -perm +0100 | $(XARGS) chmod 0755
  89         find $(BUILD_DIR)/root -type d | $(XARGS) chmod 0755
  90         mkdir -p $(BUILD_DIR)/root/tmp
  91         chmod 0777 $(BUILD_DIR)/root/tmp
  92 endef
  93
  94 define Image/mkfs/prepare
  95         $(call Image/mkfs/prepare/default)
  96 endef
  97
  98 define BuildImage
  99 download:
 100 prepare:
 101 ifneq ($(IB),1)
 102   compile: compile-targets
 103         $(call Build/Compile)
 104 else
 105   compile:
 106 endif
 107
 108 ifneq ($(IB),1)
 109   install: compile install-targets
 110         $(call Image/Prepare)
 111         $(call Image/mkfs/prepare)
 112         $(call Image/BuildKernel)
 113         $(call Image/mkfs/jffs2)
 114         $(call Image/mkfs/squashfs)
 115         $(call Image/mkfs/tgz)
 116         $(call Image/mkfs/ext2)
 117 else
 118   install: compile install-targets
 119         $(call Image/BuildKernel)
 120         $(call Image/mkfs/jffs2)
 121         $(call Image/mkfs/squashfs)
 122         $(call Image/mkfs/tgz)
 123         $(call Image/mkfs/ext2)
 124 endif
 125
 126 ifneq ($(IB),1)
 127   clean: clean-targets
 128         $(call Build/Clean)
 129 else
 130   clean:
 131 endif
 132
 133 compile-targets:
 134 install-targets:
 135 clean-targets:
 136 endef
 137
 138