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#
# Copyright (C) 2006-2020 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
GRUB2_VARIANT =
GRUB_TERMINALS =
GRUB_SERIAL_CONFIG =
GRUB_TERMINAL_CONFIG =
GRUB_CONSOLE_CMDLINE =
ifneq ($(strip $(foreach subtarget,$(USE_ATKBD),$(CONFIG_TARGET_x86_$(subtarget)))),)
GRUB2_VARIANT := generic
else
GRUB2_VARIANT := legacy
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 $(GRUB_TERMINALS)
endif
ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(IMG_PART_SIGNATURE)-02)
GRUB_TIMEOUT:=$(call qstrip,$(CONFIG_GRUB_TIMEOUT))
GRUB_TITLE:=$(call qstrip,$(CONFIG_GRUB_TITLE))
BOOTOPTS:=$(call qstrip,$(CONFIG_GRUB_BOOTOPTS))
define Build/combined
$(CP) $(KDIR)/$(KERNEL_NAME) $@.boot/boot/vmlinuz
-$(CP) $(STAGING_DIR_ROOT)/boot/. $@.boot/boot/
PADDING="$(CONFIG_TARGET_IMAGES_PAD)" SIGNATURE="$(IMG_PART_SIGNATURE)" $(SCRIPT_DIR)/gen_image_generic.sh \
$@ \
$(CONFIG_TARGET_KERNEL_PARTSIZE) $@.boot \
$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(IMAGE_ROOTFS) \
256
endef
define Build/grub-config
rm -fR $@.boot
$(INSTALL_DIR) $@.boot/boot/grub
sed \
-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
-e 's#@ROOTPART@#root=$(ROOTPART) rootwait#g' \
-e 's#@CMDLINE@#$(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE)#g' \
-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
-e 's#@TITLE@#$(GRUB_TITLE)#g' \
./grub-$(1).cfg > $@.boot/boot/grub/grub.cfg
endef
define Build/grub-install
rm -fR $@.grub2
$(INSTALL_DIR) $@.grub2
$(CP) $(STAGING_DIR_HOST)/lib/grub/i386-pc/*.img \
$(STAGING_DIR_HOST)/lib/grub/grub2-$(GRUB2_VARIANT)/core.img \
$@.grub2/
echo '(hd0) $@' > $@.grub2/device.map
$(STAGING_DIR_HOST)/bin/grub-bios-setup \
-m "$@.grub2/device.map" \
-d "$@.grub2" \
-r "hd0,msdos1" \
$@
endef
define Build/iso
$(CP) $(KDIR)/$(KERNEL_NAME) $@.boot/boot/vmlinuz
cat \
$(STAGING_DIR_HOST)/lib/grub/i386-pc/cdboot.img \
$(STAGING_DIR_HOST)/lib/grub/grub2-iso/eltorito.img \
> $@.boot/boot/grub/eltorito.img
-$(CP) $(STAGING_DIR_ROOT)/boot/. $@.boot/boot/
mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
-o $@ $@.boot $(TARGET_DIR)
endef
DEVICE_VARS += GRUB2_VARIANT
define Device/Default
ARTIFACT/image.iso := grub-config iso | iso
IMAGES := combined.img.gz
IMAGE/combined.img.gz := append-rootfs | pad-extra 128k | grub-config pc | combined | grub-install | gzip
IMAGE/combined.vdi := append-rootfs | pad-extra 128k | grub-config pc | combined | grub-install | qemu-image vdi
IMAGE/combined.vmdk := append-rootfs | pad-extra 128k | grub-config pc | combined | grub-install | qemu-image vmdk
KERNEL := kernel-bin
KERNEL_INSTALL := 1
KERNEL_NAME := bzImage
ifeq ($(CONFIG_ISO_IMAGES),y)
ARTIFACTS := image.iso
endif
ifeq ($(CONFIG_VDI_IMAGES),y)
IMAGES += combined.vdi
endif
ifeq ($(CONFIG_VMDK_IMAGES),y)
IMAGES += combined.vmdk
endif
endef
$(eval $(call Image/gzip-ext4-padded-squashfs))
ifeq ($(SUBTARGET),64)
include 64.mk
endif
ifeq ($(SUBTARGET),generic)
include generic.mk
endif
ifeq ($(SUBTARGET),legacy)
include legacy.mk
endif
$(eval $(call BuildImage))
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