select PACKAGE_grub2
default y
+ config EFI_IMAGES
+ bool "Build EFI GRUB images (Linux x86 or x86_64 host only)"
+ depends on TARGET_x86
+ depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_ISO || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
+ select PACKAGE_grub2
+ select PACKAGE_grub2-efi
+ default y
+
config GRUB_CONSOLE
bool "Use Console Terminal (in addition to Serial)"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
default y
config GRUB_SERIAL
string "Serial port device"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
default "ttyS0"
config GRUB_BAUDRATE
int "Serial port baud rate"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
default 38400 if TARGET_x86_generic
default 115200
config GRUB_BOOTOPTS
string "Extra kernel boot options"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
help
If you don't know, just leave it blank.
config GRUB_TIMEOUT
string "Seconds to wait before booting the default entry"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
default "5"
help
If you don't know, 5 seconds is a reasonable default.
config VDI_IMAGES
bool "Build VirtualBox image files (VDI)"
depends on TARGET_x86
- select GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
select PACKAGE_kmod-e1000
config VMDK_IMAGES
bool "Build VMware image files (VMDK)"
depends on TARGET_x86
- select GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
select PACKAGE_kmod-e1000
config TARGET_IMAGES_GZIP
config TARGET_KERNEL_PARTSIZE
int "Kernel partition size (in MB)"
- depends on GRUB_IMAGES || USES_BOOT_PART
+ depends on GRUB_IMAGES || EFI_IMAGES || USES_BOOT_PART
default 8 if TARGET_apm821xx_sata
default 64 if TARGET_brcm2708
default 16
config TARGET_ROOTFS_PARTSIZE
int "Root filesystem partition size (in MB)"
- depends on GRUB_IMAGES || USES_ROOTFS_PART || TARGET_ROOTFS_EXT4FS || TARGET_omap || TARGET_rb532 || TARGET_sunxi || TARGET_uml
+ depends on GRUB_IMAGES || EFI_IMAGES || USES_ROOTFS_PART || TARGET_ROOTFS_EXT4FS || TARGET_omap || TARGET_rb532 || TARGET_sunxi || TARGET_uml
default 128
help
Select the root filesystem partition size.
config TARGET_ROOTFS_PARTNAME
string "Root partition on target device"
- depends on GRUB_IMAGES
+ depends on GRUB_IMAGES || EFI_IMAGES
help
Override the root partition on the final device. If left empty,
it will be mounted by PARTUUID which makes the kernel find the
esac
case "$rootpart" in
+ PARTUUID=[A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9]-[A-F0-9][A-F0-9][A-F0-9][A-F0-9]-[A-F0-9][A-F0-9][A-F0-9][A-F0-9]-[A-F0-9][A-F0-9][A-F0-9][A-F0-9]-[A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9][A-F0-9]0002)
+ uuid="${rootpart#PARTUUID=}"
+ uuid="${uuid%0002}0002"
+ for blockdev in $(find /dev -type b); do
+ set -- $(dd if=$blockdev bs=1 skip=$((2*512+256+128+16)) count=16 2>/dev/null | hexdump -v -e '4/1 "%02x"' | awk '{ \
+ for(i=1;i<9;i=i+2) first=substr($0,i,1) substr($0,i+1,1) first; \
+ for(i=9;i<13;i=i+2) second=substr($0,i,1) substr($0,i+1,1) second; \
+ for(i=13;i<16;i=i+2) third=substr($0,i,1) substr($0,i+1,1) third; \
+ fourth = substr($0,17,4); \
+ five = substr($0,21,12); \
+ } END { print toupper(first"-"second"-"third"-"fourth"-"five) }')
+ if [ "$1" = "$uuid" ]; then
+ uevent="/sys/class/block/${blockdev##*/}/uevent"
+ export SAVE_PARTITIONS=0
+ break
+ fi
+ done
+ ;;
PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-[a-f0-9][a-f0-9])
uuid="${rootpart#PARTUUID=}"
uuid="${uuid%-[a-f0-9][a-f0-9]}"
+++ /dev/null
-#
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=grub
-PKG_CPE_ID:=cpe:/a:gnu:grub2
-PKG_VERSION:=2.02
-PKG_RELEASE:=3
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=@GNU/grub
-PKG_HASH:=810b3798d316394f94096ec2797909dbf23c858e48f7b3830826b8daa06b7b0f
-
-PKG_FIXUP:=autoreconf
-HOST_BUILD_PARALLEL:=1
-PKG_BUILD_DEPENDS:=grub2/host
-
-PKG_SSP:=0
-
-PKG_FLAGS:=nonshared
-
-include $(INCLUDE_DIR)/host-build.mk
-include $(INCLUDE_DIR)/package.mk
-
-define Package/grub2
- CATEGORY:=Boot Loaders
- SECTION:=boot
- TITLE:=GRand Unified Bootloader
- URL:=http://www.gnu.org/software/grub/
- DEPENDS:=@TARGET_x86
-endef
-
-define Package/grub2-editenv
- CATEGORY:=Utilities
- SECTION:=utils
- SUBMENU:=Boot Loaders
- TITLE:=Grub2 Environment editor
- URL:=http://www.gnu.org/software/grub/
- DEPENDS:=@TARGET_x86
-endef
-
-define Package/grub2-editenv/description
- Edit grub2 environment files.
-endef
-
-HOST_BUILD_PREFIX := $(STAGING_DIR_HOST)
-
-CONFIGURE_VARS += \
- grub_build_mkfont_excuse="don't want fonts"
-
-CONFIGURE_ARGS += \
- --target=$(REAL_GNU_TARGET_NAME) \
- --disable-werror \
- --disable-nls \
- --disable-device-mapper \
- --disable-libzfs \
- --disable-grub-mkfont \
- --with-platform=none
-
-HOST_CONFIGURE_VARS += \
- grub_build_mkfont_excuse="don't want fonts"
-
-HOST_CONFIGURE_ARGS += \
- --disable-grub-mkfont \
- --target=$(REAL_GNU_TARGET_NAME) \
- --sbindir="$(STAGING_DIR_HOST)/bin" \
- --disable-werror \
- --disable-libzfs \
- --disable-nls
-
-HOST_MAKE_FLAGS += \
- TARGET_RANLIB=$(TARGET_RANLIB) \
- LIBLZMA=$(STAGING_DIR_HOST)/lib/liblzma.a
-
-define Host/Configure
- $(SED) 's,(RANLIB),(TARGET_RANLIB),' $(HOST_BUILD_DIR)/grub-core/Makefile.in
- $(Host/Configure/Default)
-endef
-
-define Package/grub2-editenv/install
- $(INSTALL_DIR) $(1)/usr/sbin
- $(INSTALL_BIN) $(PKG_BUILD_DIR)/grub-editenv $(1)/usr/sbin/
-endef
-
-$(eval $(call HostBuild))
-$(eval $(call BuildPackage,grub2))
-$(eval $(call BuildPackage,grub2-editenv))
--- /dev/null
+#
+# Copyright (C) 2006-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_CPE_ID:=cpe:/a:gnu:grub2
+PKG_VERSION:=2.02
+PKG_RELEASE:=3
+
+PKG_SOURCE:=grub-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@GNU/grub
+PKG_HASH:=810b3798d316394f94096ec2797909dbf23c858e48f7b3830826b8daa06b7b0f
+
+PKG_FIXUP:=autoreconf
+HOST_BUILD_PARALLEL:=1
+
+PKG_SSP:=0
+
+PKG_FLAGS:=nonshared
+
+PATCH_DIR := ../patches
+HOST_PATCH_DIR := ../patches
+HOST_BUILD_DIR := $(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+define Package/grub2/Default
+ CATEGORY:=Boot Loaders
+ SECTION:=boot
+ TITLE:=GRand Unified Bootloader
+ URL:=http://www.gnu.org/software/grub/
+ DEPENDS:=@TARGET_x86
+endef
+
+HOST_BUILD_PREFIX := $(STAGING_DIR_HOST)
+
+CONFIGURE_VARS += \
+ grub_build_mkfont_excuse="don't want fonts"
+
+CONFIGURE_ARGS += \
+ --target=$(REAL_GNU_TARGET_NAME) \
+ --disable-werror \
+ --disable-nls \
+ --disable-device-mapper \
+ --disable-libzfs \
+ --disable-grub-mkfont \
+ --with-platform=none
+
+HOST_CONFIGURE_VARS += \
+ grub_build_mkfont_excuse="don't want fonts"
+
+HOST_CONFIGURE_ARGS += \
+ --disable-grub-mkfont \
+ --target=$(REAL_GNU_TARGET_NAME) \
+ --sbindir="$(STAGING_DIR_HOST)/bin" \
+ --disable-werror \
+ --disable-libzfs \
+ --disable-nls
+
+HOST_MAKE_FLAGS += \
+ TARGET_RANLIB=$(TARGET_RANLIB) \
+ LIBLZMA=$(STAGING_DIR_HOST)/lib/liblzma.a
+
+define Host/Configure
+ $(SED) 's,(RANLIB),(TARGET_RANLIB),' $(HOST_BUILD_DIR)/grub-core/Makefile.in
+ $(Host/Configure/Default)
+endef
+
--- /dev/null
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=grub-efi
+
+include ../common.mk
+
+TAR_OPTIONS:= --transform 's/grub-${PKG_VERSION}/${PKG_NAME}-${PKG_VERSION}/' $(TAR_OPTIONS)
+
+PKG_BUILD_DEPENDS:=grub2-efi/host
+
+CONFIGURE_ARGS += --with-platform=efi
+HOST_CONFIGURE_ARGS += --with-platform=efi --program-suffix=-efi
+HOST_BUILD_DIR := $(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)
+
+define Package/grub2-efi
+$(call Package/grub2/Default)
+HIDDEN:=1
+TITLE += (with EFI support)
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,grub2-efi))
--- /dev/null
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=grub
+
+include ../common.mk
+
+PKG_BUILD_DEPENDS:=grub2/host
+
+define Package/grub2
+$(call Package/grub2/Default)
+endef
+
+define Package/grub2-editenv
+ CATEGORY:=Utilities
+ SECTION:=utils
+ TITLE:=Grub2 Environment editor
+ URL:=http://www.gnu.org/software/grub/
+ DEPENDS:=@TARGET_x86
+endef
+
+define Package/grub2-editenv/description
+ Edit grub2 environment files.
+endef
+
+define Package/grub2-editenv/install
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/grub-editenv $(1)/usr/sbin/
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,grub2))
+$(eval $(call BuildPackage,grub2-editenv))
export PATH=$(TARGET_PATH):/sbin
GRUB2_MODULES = biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial test vga
+GRUB2_MODULES_LEGACY = $(GRUB2_MODULES)
+GRUB2_MODULES_LEGACY += part_gpt search fat exfat
+GRUB2_MODULES_EFI = boot chain configfile ext2 linux ls part_msdos reboot serial part_gpt part_msdos search fat exfat ext2 efi_gop efi_uga gfxterm
GRUB2_MODULES_ISO = biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial test vga
GRUB_TERMINALS =
GRUB_SERIAL_CONFIG =
endif
SIGNATURE:=$(shell perl -e 'printf("%08x", rand(0xFFFFFFFF))')
+EFI_SIGNATURE:=$(strip $(shell uuidgen | sed "s/[a-zA-Z0-9][a-zA-Z0-9][a-zA-Z0-9][a-zA-Z0-9]$$/0002/" | tr '[a-z]' '[A-Z]'))
ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(SIGNATURE)-02)
GRUB_TIMEOUT:=$(call qstrip,$(CONFIG_GRUB_TIMEOUT))
GRUB_TITLE:=$(call qstrip,$(CONFIG_GRUB_TITLE))
-ifneq ($(CONFIG_GRUB_IMAGES),)
+ifneq ($(CONFIG_GRUB_IMAGES)$(CONFIG_EFI_IMAGES),)
BOOTOPTS:=$(call qstrip,$(CONFIG_GRUB_BOOTOPTS))
root=$(ROOTPART) rootfstype=squashfs rootwait
endef
+ ifneq ($(CONFIG_EFI_IMAGES),)
+
+ define Image/cmdline/efi
+ $(subst $(SIGNATURE)-02,$2,$(call Image/cmdline/$(1)))
+ endef
+
+ define Image/Build/efi
+ # left here because the image builder doesnt need these
+ rm -rf $(KDIR)/root.grub/ || true
+ $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
+ $(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
+ echo '(hd0) $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(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 $(call Image/cmdline/efi,$(1),$(EFI_SIGNATURE)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
+ -e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
+ -e 's#set root.*#search --file /boot/grub/$(SIGNATURE).cfg --set=root#g' \
+ ./grub.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
+ $(CP) $(KDIR)/root.grub/boot/grub/grub.cfg $(KDIR)/root.grub/boot/grub/$(SIGNATURE).cfg
+ grub-mkimage \
+ -d $(STAGING_DIR_HOST)/lib/grub/i386-pc \
+ -o $(KDIR)/grub2/core.img \
+ -O i386-pc \
+ -p '(hd0,gpt1)/boot/grub' \
+ -c $(KDIR)/root.grub/boot/grub/grub.cfg \
+ $(GRUB2_MODULES_LEGACY)
+ $(CP) $(STAGING_DIR_HOST)/lib/grub/i386-pc/*.img $(KDIR)/grub2/
+
+ # Build the efi grub version
+ rm -rf $(KDIR)/grub2.efi/ || true
+ $(INSTALL_DIR) $(KDIR)/grub2.efi/efi/boot/
+
+ # Generate the grub search root config (grub will search for the $(SIGNATURE).cfg file placed on the boot partition as grub does not support search of GPT UUID yet)
+ echo "search --file /boot/grub/$(SIGNATURE).cfg --set=root" > $(KDIR)/grub2.efi/efi/boot/grub.cfg
+ echo "configfile /boot/grub/grub.cfg" >> $(KDIR)/grub2.efi/efi/boot/grub.cfg
+
+ # Create the EFI grub binary
+ grub-mkimage-efi \
+ -d $(STAGING_DIR_HOST)/lib/grub/x86_64-efi \
+ -o $(KDIR)/grub2.efi/efi/boot/bootx64.efi \
+ -O x86_64-efi \
+ -p /efi/boot \
+ -c $(KDIR)/grub2.efi/efi/boot/grub.cfg \
+ $(GRUB2_MODULES_EFI)
+
+ # Generate the EFI VFAT bootfs
+ rm $(KDIR)/kernel.efi || true
+ mkfs.fat -C $(KDIR)/kernel.efi -S 512 1024
+ mcopy -s -i "$(KDIR)/kernel.efi" $(KDIR)/grub2.efi/* ::/
+
+ SIGNATURE="$(SIGNATURE)" PATH="$(TARGET_PATH)" ./gen_image_efi.sh \
+ $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img \
+ $(CONFIG_TARGET_KERNEL_PARTSIZE) $(KDIR)/root.grub \
+ 1 $(KDIR)/kernel.efi \
+ 1 \
+ $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
+ 256
+
+ # Setup legacy bios for hybrid MBR (optional)
+ grub-bios-setup \
+ --device-map="$(KDIR)/grub2/device.map" \
+ -d "$(KDIR)/grub2" \
+ -r "hd0,msdos1" \
+ "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+
+ # Convert the MBR partition to GPT and set EFI ROOTFS signature
+ dd if=/dev/zero of="$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img" bs=512 count=33 conv=notrunc oflag=append
+ sgdisk -g "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+ sgdisk -t 2:EF00 "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+ sgdisk -t 3:EF02 "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+ sgdisk -u 4:$(EFI_SIGNATURE) "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+ sgdisk -h "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+
+ # Setup EFI grub
+ grub-bios-setup-efi \
+ --device-map="$(KDIR)/grub2/device.map" \
+ -d "$(KDIR)/grub2" \
+ -r "hd0,gpt1" \
+ "$(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img"
+ endef
+ endif
+
+ ifneq ($(CONFIG_GRUB_IMAGES),)
define Image/Build/grub2
# left here because the image builder doesnt need these
$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
-r "hd0,msdos1" \
"$(BIN_DIR)/$(IMG_COMBINED)-$(1).img"
endef
+ endif
+
endif
define Image/Build/iso
$(BIN_DIR)/$(IMG_COMBINED)-$(1).img \
$(BIN_DIR)/$(IMG_COMBINED)-$(1).vdi
endef
+ define Image/Build/vdi_efi
+ rm $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).vdi || true
+ qemu-img convert -f raw -O vdi \
+ $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img \
+ $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).vdi
+ # XXX: VBoxManage insists on setting perms to 0600
+ chmod 0644 $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).vdi
+ endef
endif
ifneq ($(CONFIG_VMDK_IMAGES),)
$(BIN_DIR)/$(IMG_COMBINED)-$(1).img \
$(BIN_DIR)/$(IMG_COMBINED)-$(1).vmdk
endef
+ define Image/Build/vmdk_efi
+ rm $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).vmdk || true
+ qemu-img convert -f raw -O vmdk \
+ $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img \
+ $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).vmdk
+ endef
endif
define Image/Build/gzip
- gzip -f9n $(BIN_DIR)/$(IMG_COMBINED)-$(1).img
gzip -f9n $(BIN_DIR)/$(IMG_ROOTFS)-$(1).img
+ifneq ($(CONFIG_GRUB_IMAGES),)
+ gzip -f9n $(BIN_DIR)/$(IMG_COMBINED)-$(1).img
+endif
+ifneq ($(CONFIG_EFI_IMAGES),)
+ gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-uefi-gpt-$(1).img
+endif
endef
$(eval $(call Image/gzip-ext4-padded-squashfs))
$(call Image/Build/$(1))
ifneq ($(1),iso)
$(call Image/Build/grub2,$(1))
+ $(call Image/Build/efi,$(1))
+ifneq ($(CONFIG_GRUB_IMAGES),)
$(call Image/Build/vdi,$(1))
$(call Image/Build/vmdk,$(1))
+endif
+ifneq ($(CONFIG_EFI_IMAGES),)
+ $(call Image/Build/vdi_efi,$(1))
+ $(call Image/Build/vmdk_efi,$(1))
+endif
$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_ROOTFS)-$(1).img
else
$(CP) $(KDIR)/root.iso $(BIN_DIR)/$(IMG_PREFIX).iso
--- /dev/null
+#!/usr/bin/env bash
+set -x
+[ $# == 8 -o $# == 9 ] || {
+ echo "SYNTAX: $0 <file> <kernel size> <kernel directory> <efi size> <efi image> <efigrubmodule size> <rootfs size> <rootfs image> [<align>]"
+ exit 1
+}
+
+OUTPUT="$1"
+KERNELSIZE="$2"
+KERNELDIR="$3"
+EFISIZE="$4"
+EFIIMAGE="$5"
+EFIGRUBSIZE="$6"
+ROOTFSSIZE="$7"
+ROOTFSIMAGE="$8"
+ALIGN="$9"
+
+rm -f "$OUTPUT"
+
+head=16
+sect=63
+cyl=$(( ($KERNELSIZE + $EFISIZE + $EFIGRUBSIZE + $ROOTFSSIZE) * 1024 * 1024 / ($head * $sect * 512) ))
+
+# create partition table
+set `ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${EFISIZE}m -p ${EFIGRUBSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE}`
+
+KERNELOFFSET="$(($1 / 512))"
+KERNELSIZE="$2"
+EFIOFFSET="$(($3 / 512))"
+EFISIZE="$(($4 / 512))"
+EFIGRUBOFFSET="$(($5 / 512))"
+EFIGRUBSIZE="$(($6 / 512))"
+ROOTFSOFFSET="$(($7 / 512))"
+ROOTFSSIZE="$(($8 / 512))"
+
+dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
+dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
+dd if="$EFIIMAGE" of="$OUTPUT" bs=512 seek="$EFIOFFSET" conv=notrunc
+
+[ -n "$NOGRUB" ] && exit 0
+
+make_ext4fs -J -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
+dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
+rm -f "$OUTPUT.kernel"
projects / openwrt / staging / jow.git / commitdiff