target/linux/x86/image/Makefile

   1 #
   2 # Copyright (C) 2006-2012 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 export PATH=$(TARGET_PATH):/sbin
  11
  12 GRUB2_MODULES = biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
  13 GRUB2_MODULES_ISO = biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial vga
  14 GRUB_TERMINALS =
  15 GRUB_SERIAL_CONFIG =
  16 GRUB_TERMINAL_CONFIG =
  17 GRUB_CONSOLE_CMDLINE =
  18 GRUB_ROOT = hd0,msdos1
  19
  20 USE_ATKBD = generic 64
  21
  22 ifneq ($(strip $(foreach subtarget,$(USE_ATKBD),$(CONFIG_TARGET_x86_$(subtarget)))),)
  23   GRUB2_MODULES += at_keyboard
  24   GRUB2_MODULES_ISO += at_keyboard
  25 endif
  26
  27 ifneq ($(CONFIG_GRUB_CONSOLE),)
  28   GRUB_CONSOLE_CMDLINE += console=tty0
  29   GRUB_TERMINALS += console
  30 endif
  31
  32 GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
  33
  34 ifneq ($(GRUB_SERIAL),)
  35   GRUB_CONSOLE_CMDLINE += console=$(GRUB_SERIAL),$(CONFIG_GRUB_BAUDRATE)n8
  36   GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1 --rtscts=off
  37   GRUB_TERMINALS += serial
  38 endif
  39
  40 ifneq ($(GRUB_TERMINALS),)
  41   GRUB_TERMINAL_CONFIG := terminal_input $(GRUB_TERMINALS); terminal_output $(GRUB_TERMINALS)
  42 endif
  43
  44 SIGNATURE:=$(shell perl -e 'printf("%08x", rand(0xFFFFFFFF))')
  45 ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
  46 ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(SIGNATURE)-02)
  47
  48 GRUB_TIMEOUT:=$(call qstrip,$(CONFIG_GRUB_TIMEOUT))
  49
  50 ifneq ($(CONFIG_TARGET_x86_xen_domu),)
  51   GRUB_ROOT = xen/xvda,msdos1
  52 endif
  53
  54 ifneq ($(CONFIG_GRUB_IMAGES),)
  55
  56   BOOTOPTS:=$(call qstrip,$(CONFIG_GRUB_BOOTOPTS))
  57
  58   define Image/cmdline/ext4
  59     root=$(ROOTPART) rootfstype=ext4 rootwait
  60   endef
  61
  62   define Image/cmdline/squashfs
  63     root=$(ROOTPART) rootfstype=squashfs rootwait
  64   endef
  65
  66   define Image/Build/grub2
  67         # left here because the image builder doesnt need these
  68         $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
  69         $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
  70         grub-mkimage \
  71                 -p /boot/grub \
  72                 -d $(STAGING_DIR_HOST)/lib/grub/i386-pc \
  73                 -o $(KDIR)/grub2/core.img \
  74                 -O i386-pc \
  75                 -c ./grub-early.cfg \
  76                 $(GRUB2_MODULES)
  77         $(CP) $(STAGING_DIR_HOST)/lib/grub/i386-pc/*.img $(KDIR)/grub2/
  78         echo '(hd0) $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img' > $(KDIR)/grub2/device.map
  79         sed \
  80                 -e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
  81                 -e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
  82                 -e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
  83                 -e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
  84                 -e 's#@ROOT@#$(GRUB_ROOT)#g' \
  85                 ./grub.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
  86         PADDING="$(CONFIG_TARGET_IMAGES_PAD)" SIGNATURE="$(SIGNATURE)" PATH="$(TARGET_PATH)" ./gen_image_generic.sh \
  87                 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
  88                 $(CONFIG_TARGET_KERNEL_PARTSIZE) $(KDIR)/root.grub \
  89                 $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
  90                 256
  91         grub-bios-setup \
  92                 --device-map="$(KDIR)/grub2/device.map" \
  93                 -d "$(KDIR)/grub2" \
  94                 -r "hd0,msdos1" \
  95                 "$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img"
  96         $(call Image/Build/grub/$(1))
  97   endef
  98 endif
  99
 100 define Image/Build/squashfs
 101         dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
 102 endef
 103
 104 define Image/Build/iso
 105         $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
 106         $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
 107         grub-mkimage \
 108                 -p /boot/grub \
 109                 -d $(STAGING_DIR_HOST)/lib/grub/i386-pc \
 110                 -o $(KDIR)/grub2/eltorito.img \
 111                 -O i386-pc \
 112                 -c ./grub-early.cfg \
 113                 $(GRUB2_MODULES_ISO)
 114         cat \
 115                 $(STAGING_DIR_HOST)/lib/grub/i386-pc/cdboot.img \
 116                 $(KDIR)/grub2/eltorito.img \
 117                 > $(KDIR)/root.grub/boot/grub/eltorito.img
 118         sed \
 119                 -e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
 120                 -e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
 121                 -e 's#@CMDLINE@#root=/dev/sr0 rootfstype=iso9660 rootwait $(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
 122                 -e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
 123                 ./grub-iso.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
 124         $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
 125         mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
 126                 -o $(KDIR)/root.iso $(KDIR)/root.grub $(TARGET_DIR)
 127 endef
 128
 129 ifneq ($(CONFIG_VDI_IMAGES),)
 130   define Image/Build/vdi
 131         rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi || true
 132         qemu-img convert -f raw -O vdi \
 133                 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
 134                 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi
 135         # XXX: VBoxManage insists on setting perms to 0600
 136         chmod 0644 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi
 137   endef
 138 endif
 139
 140 ifneq ($(CONFIG_VMDK_IMAGES),)
 141   define Image/Build/vmdk
 142         rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vmdk || true
 143         qemu-img convert -f raw -O vmdk \
 144                 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
 145                 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vmdk
 146   endef
 147 endif
 148
 149 define Image/Build/gzip
 150         gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
 151         gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
 152 endef
 153
 154 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 155   define Image/Build/gzip/ext4
 156         $(call Image/Build/gzip,ext4)
 157   endef
 158   ifneq ($(CONFIG_TARGET_IMAGES_PAD),)
 159     define Image/Build/gzip/squashfs
 160         $(call Image/Build/gzip,squashfs)
 161     endef
 162   endif
 163 endif
 164
 165 define Image/BuildKernel
 166         $(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz
 167 endef
 168
 169 define Image/Prepare
 170         $(call Image/Prepare/grub2)
 171 endef
 172
 173 define Image/Build/Initramfs
 174         $(CP) $(KDIR)/bzImage-initramfs $(BIN_DIR)/$(IMG_PREFIX)-ramfs.bzImage
 175 endef
 176
 177 define Image/Build
 178         $(call Image/Build/$(1))
 179   ifneq ($(1),iso)
 180         $(call Image/Build/grub2,$(1))
 181         $(call Image/Build/vdi,$(1))
 182         $(call Image/Build/vmdk,$(1))
 183         $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
 184   else
 185         $(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso
 186   endif
 187         $(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz
 188         $(call Image/Build/gzip/$(1))
 189 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 190         $(call Image/Build/Initramfs)
 191 endif
 192 endef
 193
 194 $(eval $(call BuildImage))