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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2020 OpenWrt.org
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
GRUB2_VARIANT =
GRUB_TERMINALS =
GRUB_SERIAL_CONFIG =
GRUB_TERMINAL_CONFIG =
GRUB_CONSOLE_CMDLINE =
ifneq ($(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=$(IMG_PART_SIGNATURE)-02)
GPT_ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
GPT_ROOTPART:=$(if $(GPT_ROOTPART),$(GPT_ROOTPART),PARTUUID=$(shell echo $(IMG_PART_DISKGUID) | sed 's/00$$/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/
$(CP) $(STAGING_DIR_IMAGE)/grub2/boot.img $@.boot/boot/grub/
$(CP) $(STAGING_DIR_IMAGE)/grub2/$(if $(filter $(1),efi),gpt,$(GRUB2_VARIANT))-core.img \
$@.boot/boot/grub/core.img
$(if $(filter $(1),efi),
$(INSTALL_DIR) $@.boot/efi/boot
$(CP) $(STAGING_DIR_IMAGE)/grub2/boot$(if $(CONFIG_x86_64),x64,ia32).efi $@.boot/efi/boot/
)
PADDING="1" SIGNATURE="$(IMG_PART_SIGNATURE)" \
$(if $(filter $(1),efi),GUID="$(IMG_PART_DISKGUID)") $(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#@GPT_ROOTPART@#root=$(GPT_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_IMAGE)/grub2/boot.img $@.grub2/
$(CP) $(STAGING_DIR_IMAGE)/grub2/$(if $(filter $(1),efi),gpt,$(GRUB2_VARIANT))-core.img $@.grub2/core.img
echo '(hd0) $@' > $@.grub2/device.map
$(STAGING_DIR_HOST)/bin/grub-bios-setup \
-m "$@.grub2/device.map" \
-d "$@.grub2" \
-r "hd0,$(if $(filter $(1),efi),gpt1,msdos1)" \
$@
endef
define Build/iso
$(CP) $(KDIR)/$(KERNEL_NAME) $@.boot/boot/vmlinuz
cat \
$(STAGING_DIR_IMAGE)/grub2/cdboot.img \
$(STAGING_DIR_IMAGE)/grub2/eltorito.img \
> $@.boot/boot/grub/eltorito.img
-$(CP) $(STAGING_DIR_ROOT)/boot/. $@.boot/boot/
$(if $(filter $(1),efi),
mkfs.fat -C $@.boot/boot/grub/isoboot.img -S 512 1440
mmd -i $@.boot/boot/grub/isoboot.img ::/efi ::/efi/boot
mcopy -i $@.boot/boot/grub/isoboot.img \
$(STAGING_DIR_IMAGE)/grub2/iso-boot$(if $(CONFIG_x86_64),x64,ia32).efi \
::/efi/boot/boot$(if $(CONFIG_x86_64),x64,ia32).efi
)
mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
$(if $(filter $(1),efi),-boot-load-size 4 -c boot.cat -eltorito-alt-boot -b boot/grub/isoboot.img -no-emul-boot) \
-o $@ $@.boot $(TARGET_DIR)
endef
DEVICE_VARS += GRUB2_VARIANT
define Device/Default
ARTIFACT/image.iso := grub-config iso | iso
IMAGE/combined.img := grub-config pc | combined | grub-install | append-metadata
IMAGE/combined.img.gz := grub-config pc | combined | grub-install | gzip | append-metadata
IMAGE/combined.vdi := grub-config pc | combined | grub-install | qemu-image vdi
IMAGE/combined.vmdk := grub-config pc | combined | grub-install | qemu-image vmdk
IMAGE/rootfs.img := append-rootfs | pad-to $(ROOTFS_PARTSIZE)
IMAGE/rootfs.img.gz := append-rootfs | pad-to $(ROOTFS_PARTSIZE) | gzip
ARTIFACT/image-efi.iso := grub-config iso | iso efi
IMAGE/combined-efi.img := grub-config efi | combined efi | grub-install efi | append-metadata
IMAGE/combined-efi.img.gz := grub-config efi | combined efi | grub-install efi | gzip | append-metadata
IMAGE/combined-efi.vdi := grub-config efi | combined efi | grub-install efi | qemu-image vdi
IMAGE/combined-efi.vmdk := grub-config efi | combined efi | grub-install efi | qemu-image vmdk
ifeq ($(CONFIG_TARGET_IMAGES_GZIP),y)
IMAGES-y := rootfs.img.gz
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.img.gz
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.img.gz
else
IMAGES-y := rootfs.img
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.img
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.img
endif
KERNEL := kernel-bin
KERNEL_INSTALL := 1
KERNEL_NAME := bzImage
ifeq ($(CONFIG_ISO_IMAGES),y)
ARTIFACTS-$$(CONFIG_GRUB_IMAGES) += image.iso
ARTIFACTS-$$(CONFIG_GRUB_EFI_IMAGES) += image-efi.iso
endif
ifeq ($(CONFIG_VDI_IMAGES),y)
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.vdi
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.vdi
endif
ifeq ($(CONFIG_VMDK_IMAGES),y)
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.vmdk
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.vmdk
endif
IMAGES := $$(IMAGES-y)
ARTIFACTS := $$(ARTIFACTS-y)
SUPPORTED_DEVICES :=
endef
include $(SUBTARGET).mk
$(eval $(call BuildImage))
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