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openwrtv4/target/linux/x86/image/Makefile
Felix Fietkau 7887a46f45 build: enable gzipping of images on x86 even if ext4 is disabled 
There is lots of padding between the boot partition and the rootfs, so
gzipping is helpful here

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-07-06 11:30:33 +02:00

190 lines
5.8 KiB
Makefile
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#
# Copyright (C) 2006-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
export PATH=$(TARGET_PATH):/sbin
GRUB2_MODULES = biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
GRUB2_MODULES_ISO = biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial vga
GRUB_TERMINALS =
GRUB_SERIAL_CONFIG =
GRUB_TERMINAL_CONFIG =
GRUB_CONSOLE_CMDLINE =
GRUB_ROOT = hd0,msdos1
USE_ATKBD = generic 64
ifneq ($(strip $(foreach subtarget,$(USE_ATKBD),$(CONFIG_TARGET_x86_$(subtarget)))),)
GRUB2_MODULES += at_keyboard
GRUB2_MODULES_ISO += at_keyboard
endif
ifneq ($(CONFIG_GRUB_CONSOLE),)
GRUB_CONSOLE_CMDLINE += console=tty0
GRUB_TERMINALS += console
endif
GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
ifneq ($(GRUB_SERIAL),)
GRUB_CONSOLE_CMDLINE += console=$(GRUB_SERIAL),$(CONFIG_GRUB_BAUDRATE)n8$(if $(CONFIG_GRUB_FLOWCONTROL),r,)
GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1 --rtscts=$(if $(CONFIG_GRUB_FLOWCONTROL),on,off)
GRUB_TERMINALS += serial
endif
ifneq ($(GRUB_TERMINALS),)
GRUB_TERMINAL_CONFIG := terminal_input $(GRUB_TERMINALS); terminal_output $(GRUB_TERMINALS)
endif
SIGNATURE:=$(shell perl -e 'printf("%08x", rand(0xFFFFFFFF))')
ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(SIGNATURE)-02)
GRUB_TIMEOUT:=$(call qstrip,$(CONFIG_GRUB_TIMEOUT))
ifneq ($(CONFIG_TARGET_x86_xen_domu),)
GRUB_ROOT = xen/xvda,msdos1
endif
ifneq ($(CONFIG_GRUB_IMAGES),)
BOOTOPTS:=$(call qstrip,$(CONFIG_GRUB_BOOTOPTS))
define Image/cmdline/ext4
root=$(ROOTPART) rootfstype=ext4 rootwait
endef
define Image/cmdline/squashfs
root=$(ROOTPART) rootfstype=squashfs rootwait
endef
define Image/Build/grub2
# left here because the image builder doesnt need these
$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
grub-mkimage \
-p /boot/grub \
-d $(STAGING_DIR_HOST)/lib/grub/i386-pc \
-o $(KDIR)/grub2/core.img \
-O i386-pc \
-c ./grub-early.cfg \
$(GRUB2_MODULES)
$(CP) $(STAGING_DIR_HOST)/lib/grub/i386-pc/*.img $(KDIR)/grub2/
echo '(hd0) $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img' > $(KDIR)/grub2/device.map
sed \
-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
-e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
-e 's#@ROOT@#$(GRUB_ROOT)#g' \
./grub.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
PADDING="$(CONFIG_TARGET_IMAGES_PAD)" SIGNATURE="$(SIGNATURE)" PATH="$(TARGET_PATH)" ./gen_image_generic.sh \
$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
$(CONFIG_TARGET_KERNEL_PARTSIZE) $(KDIR)/root.grub \
$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
256
grub-bios-setup \
--device-map="$(KDIR)/grub2/device.map" \
-d "$(KDIR)/grub2" \
-r "hd0,msdos1" \
"$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img"
endef
endif
define Image/Build/squashfs
dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
endef
define Image/Build/iso
$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
grub-mkimage \
-p /boot/grub \
-d $(STAGING_DIR_HOST)/lib/grub/i386-pc \
-o $(KDIR)/grub2/eltorito.img \
-O i386-pc \
-c ./grub-early.cfg \
$(GRUB2_MODULES_ISO)
cat \
$(STAGING_DIR_HOST)/lib/grub/i386-pc/cdboot.img \
$(KDIR)/grub2/eltorito.img \
> $(KDIR)/root.grub/boot/grub/eltorito.img
sed \
-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
-e 's#@CMDLINE@#root=/dev/sr0 rootfstype=iso9660 rootwait $(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
./grub-iso.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
-o $(KDIR)/root.iso $(KDIR)/root.grub $(TARGET_DIR)
endef
ifneq ($(CONFIG_VDI_IMAGES),)
define Image/Build/vdi
rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi || true
qemu-img convert -f raw -O vdi \
$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi
# XXX: VBoxManage insists on setting perms to 0600
chmod 0644 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vdi
endef
endif
ifneq ($(CONFIG_VMDK_IMAGES),)
define Image/Build/vmdk
rm $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vmdk || true
qemu-img convert -f raw -O vmdk \
$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img \
$(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).vmdk
endef
endif
define Image/Build/gzip
gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
endef
ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
define Image/Build/gzip/ext4
$(call Image/Build/gzip,ext4)
endef
define Image/Build/gzip/squashfs
$(call Image/Build/gzip,squashfs)
endef
endif
define Image/BuildKernel
$(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz
endef
define Image/Prepare
$(call Image/Prepare/grub2)
endef
define Image/Build/Initramfs
$(CP) $(KDIR)/bzImage-initramfs $(BIN_DIR)/$(IMG_PREFIX)-ramfs.bzImage
endef
define Image/Build
$(call Image/Build/$(1))
ifneq ($(1),iso)
$(call Image/Build/grub2,$(1))
$(call Image/Build/vdi,$(1))
$(call Image/Build/vmdk,$(1))
$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
else
$(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso
endif
$(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz
$(call Image/Build/gzip/$(1))
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
$(call Image/Build/Initramfs)
endif
endef
$(eval $(call BuildImage))
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