mirror of https://github.com/hak5/openwrt.git
x86: generate EFI platform bootable images
Add EFI platform bootable images for x86 platforms. These images can also boot from legacy BIOS platform. EFI System Partition need to be fat12/fat16/fat32 (not need to load filesystem drivers), so the first partition of EFI images are not ext4 filesystem any more. GPT partition table has an alternate partition table, we did not generate it. This may cause problems when use these images as qemu disk (kernel can not find rootfs), we pad enough sectors will be ok. Signed-off-by: 李国 <uxgood.org@gmail.com> [part_magic_* refactoring, removed genisoimage checks] Signed-off-by: Petr Štetiar <ynezz@true.cz>master
李国
Petr Štetiar
parent
d9228514cc
commit
a6b7c3e672
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@ -188,19 +188,28 @@ menu "Target Images"
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select PACKAGE_grub2
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default y
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config GRUB_EFI_IMAGES
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bool "Build GRUB EFI images (Linux x86 or x86_64 host only)"
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depends on TARGET_x86
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depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
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select PACKAGE_grub2
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select PACKAGE_grub2-efi
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select PACKAGE_kmod-fs-vfat
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default y
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config GRUB_CONSOLE
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bool "Use Console Terminal (in addition to Serial)"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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default y
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config GRUB_SERIAL
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string "Serial port device"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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default "ttyS0"
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config GRUB_BAUDRATE
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int "Serial port baud rate"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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default 38400 if TARGET_x86_generic
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default 115200
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@ -211,20 +220,20 @@ menu "Target Images"
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config GRUB_BOOTOPTS
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string "Extra kernel boot options"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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help
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If you don't know, just leave it blank.
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config GRUB_TIMEOUT
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string "Seconds to wait before booting the default entry"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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default "5"
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help
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If you don't know, 5 seconds is a reasonable default.
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config GRUB_TITLE
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string "Title for the menu entry in GRUB"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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default "OpenWrt"
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help
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This is the title of the GRUB menu entry.
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@ -233,18 +242,18 @@ menu "Target Images"
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config ISO_IMAGES
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bool "Build LiveCD image (ISO)"
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depends on TARGET_x86
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select GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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config VDI_IMAGES
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bool "Build VirtualBox image files (VDI)"
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depends on TARGET_x86
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select GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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select PACKAGE_kmod-e1000
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config VMDK_IMAGES
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bool "Build VMware image files (VMDK)"
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depends on TARGET_x86
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select GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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select PACKAGE_kmod-e1000
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config TARGET_IMAGES_GZIP
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@ -272,7 +281,7 @@ menu "Target Images"
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config TARGET_ROOTFS_PARTNAME
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string "Root partition on target device"
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depends on GRUB_IMAGES
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depends on GRUB_IMAGES || GRUB_EFI_IMAGES
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help
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Override the root partition on the final device. If left empty,
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it will be mounted by PARTUUID which makes the kernel find the
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@ -45,6 +45,7 @@ IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$
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IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
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IMG_COMBINED:=$(IMG_PREFIX)-combined
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IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
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IMG_PART_DISKGUID:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.{10})../\1-\2-\3-\4-\500/')
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MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
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@ -102,6 +102,24 @@ get_magic_long() {
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(get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
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}
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get_magic_gpt() {
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(get_image "$@" | dd bs=8 count=1 skip=64) 2>/dev/null
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}
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get_magic_vfat() {
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(get_image "$@" | dd bs=1 count=3 skip=54) 2>/dev/null
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}
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part_magic_efi() {
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local magic=$(get_magic_gpt "$@")
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[ "$magic" = "EFI PART" ]
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}
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part_magic_fat() {
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local magic=$(get_magic_vfat "$@")
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[ "$magic" = "FAT" ]
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}
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export_bootdevice() {
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local cmdline bootdisk rootpart uuid blockdev uevent line class
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local MAJOR MINOR DEVNAME DEVTYPE
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@ -136,6 +154,17 @@ export_bootdevice() {
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fi
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done
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;;
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PARTUUID=????????-????-????-????-??????????02)
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uuid="${rootpart#PARTUUID=}"
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uuid="${uuid%02}00"
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for disk in $(find /dev -type b); do
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set -- $(dd if=$disk bs=1 skip=568 count=16 2>/dev/null | hexdump -v -e '8/1 "%02x "" "2/1 "%02x""-"6/1 "%02x"')
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if [ "$4$3$2$1-$6$5-$8$7-$9" = "$uuid" ]; then
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uevent="/sys/class/block/${disk##*/}/uevent"
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break
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fi
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done
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;;
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/dev/*)
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uevent="/sys/class/block/${rootpart##*/}/../uevent"
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;;
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@ -207,6 +236,22 @@ get_partitions() { # <device> <filename>
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rm -f "/tmp/partmap.$filename"
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local part
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part_magic_efi "$disk" && {
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#export_partdevice will fail when partition number is greater than 15, as
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#the partition major device number is not equal to the disk major device number
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for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
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set -- $(hexdump -v -n 48 -s "$((0x380 + $part * 0x80))" -e '4/4 "%08x"" "4/4 "%08x"" "4/4 "0x%08X "' "$disk")
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local type="$1"
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local lba="$(( $(hex_le32_to_cpu $4) * 0x100000000 + $(hex_le32_to_cpu $3) ))"
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local end="$(( $(hex_le32_to_cpu $6) * 0x100000000 + $(hex_le32_to_cpu $5) ))"
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local num="$(( $end - $lba ))"
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[ "$type" = "00000000000000000000000000000000" ] && continue
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printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
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done
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} || {
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for part in 1 2 3 4; do
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set -- $(hexdump -v -n 12 -s "$((0x1B2 + $part * 16))" -e '3/4 "0x%08X "' "$disk")
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@ -218,6 +263,7 @@ get_partitions() { # <device> <filename>
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printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
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done
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}
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fi
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}
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@ -20,7 +20,7 @@ sect=63
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cyl=$(( (KERNELSIZE + ROOTFSSIZE) * 1024 * 1024 / (head * sect * 512)))
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# create partition table
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set $(ptgen -o "$OUTPUT" -h $head -s $sect -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE})
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set $(ptgen -o "$OUTPUT" -h $head -s $sect ${GUID:+-g} -p ${KERNELSIZE}m -p ${ROOTFSSIZE}m ${ALIGN:+-l $ALIGN} ${SIGNATURE:+-S 0x$SIGNATURE} ${GUID:+-G $GUID})
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KERNELOFFSET="$(($1 / 512))"
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KERNELSIZE="$2"
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@ -30,6 +30,12 @@ ROOTFSSIZE="$(($4 / 512))"
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[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc count="$ROOTFSSIZE"
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dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 seek="$ROOTFSOFFSET" conv=notrunc
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make_ext4fs -J -L kernel -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
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if [ -n "$GUID" ]; then
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[ -n "$PADDING" ] && dd if=/dev/zero of="$OUTPUT" bs=512 seek="$(($ROOTFSOFFSET + $ROOTFSSIZE))" conv=notrunc count="$sect"
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mkfs.fat -n kernel -C "$OUTPUT.kernel" -S 512 "$(($KERNELSIZE / 1024))"
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mcopy -s -i "$OUTPUT.kernel" "$KERNELDIR"/* ::/
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else
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make_ext4fs -J -L kernel -l "$KERNELSIZE" "$OUTPUT.kernel" "$KERNELDIR"
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fi
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dd if="$OUTPUT.kernel" of="$OUTPUT" bs=512 seek="$KERNELOFFSET" conv=notrunc
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rm -f "$OUTPUT.kernel"
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@ -2,13 +2,14 @@
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# Copyright (C) 2012-2015 OpenWrt.org
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move_config() {
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local partdev
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local partdev parttype=ext4
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. /lib/upgrade/common.sh
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if export_bootdevice && export_partdevice partdev 1; then
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mkdir -p /boot
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mount -t ext4 -o rw,noatime "/dev/$partdev" /boot
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part_magic_fat "/dev/$partdev" && parttype=vfat
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mount -t $parttype -o rw,noatime "/dev/$partdev" /boot
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if [ -f "/boot/$BACKUP_FILE" ]; then
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mv -f "/boot/$BACKUP_FILE" /
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fi
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@ -6,6 +6,7 @@ upgrade_bootloader() {
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. /lib/upgrade/common.sh
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if [ ! -f /boot/grub/upgraded ] && export_bootdevice && export_partdevice diskdev 0; then
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part_magic_efi "/dev/$diskdev" && return 0
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echo "(hd0) /dev/$diskdev" > /tmp/device.map
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/usr/sbin/grub-bios-setup \
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-m "/tmp/device.map" \
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@ -20,7 +20,7 @@ platform_check_image() {
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get_partitions "/dev/$diskdev" bootdisk
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#extract the boot sector from the image
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get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b 2>/dev/null
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get_image "$@" | dd of=/tmp/image.bs count=63 bs=512b 2>/dev/null
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get_partitions /tmp/image.bs image
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@ -37,29 +37,31 @@ platform_check_image() {
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}
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platform_copy_config() {
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local partdev
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local partdev parttype=ext4
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if export_partdevice partdev 1; then
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mount -t ext4 -o rw,noatime "/dev/$partdev" /mnt
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part_magic_fat "/dev/$partdev" && parttype=vfat
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mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
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cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
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umount /mnt
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fi
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}
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platform_do_bootloader_upgrade() {
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local bootpart
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local bootpart parttable=msdos
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local diskdev="$1"
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if export_partdevice bootpart 1; then
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mkdir -p /tmp/boot
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mount -o rw,noatime "/dev/$bootpart" /tmp/boot
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echo "(hd0) /dev/$diskdev" > /tmp/device.map
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part_magic_efi "/dev/$diskdev" && parttable=gpt
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echo "Upgrading bootloader on /dev/$diskdev..."
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grub-bios-setup \
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-m "/tmp/device.map" \
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-d "/tmp/boot/boot/grub" \
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-r "hd0,msdos1" \
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-r "hd0,${parttable}1" \
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"/dev/$diskdev" \
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&& touch /boot/grub/upgraded
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@ -81,7 +83,7 @@ platform_do_upgrade() {
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get_partitions "/dev/$diskdev" bootdisk
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#extract the boot sector from the image
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get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b
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get_image "$@" | dd of=/tmp/image.bs count=63 bs=512b >/dev/null
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get_partitions /tmp/image.bs image
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@ -106,7 +108,7 @@ platform_do_upgrade() {
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while read part start size; do
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if export_partdevice partdev $part; then
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echo "Writing image to /dev/$partdev..."
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get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync
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get_image "$@" | dd of="/dev/$partdev" ibs=512 obs=1M skip="$start" count="$size" conv=fsync
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else
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echo "Unable to find partition $part device, skipped."
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fi
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@ -117,4 +119,15 @@ platform_do_upgrade() {
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get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
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platform_do_bootloader_upgrade "$diskdev"
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local parttype=ext4
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part_magic_efi "/dev/$diskdev" || return 0
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if export_partdevice partdev 1; then
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part_magic_fat "/dev/$partdev" && parttype=vfat
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mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
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set -- $(dd if="/dev/$diskdev" bs=1 skip=1168 count=16 2>/dev/null | hexdump -v -e '8/1 "%02x "" "2/1 "%02x""-"6/1 "%02x"')
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sed -i "s/\(PARTUUID=\)[a-f0-9-]\+/\1$4$3$2$1-$6$5-$8$7-$9/ig" /mnt/boot/grub/grub.cfg
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umount /mnt
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fi
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}
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@ -139,6 +139,7 @@ CONFIG_FB_DEFERRED_IO=y
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CONFIG_FB_EFI=y
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CONFIG_FB_HYPERV=y
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# CONFIG_FB_I810 is not set
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CONFIG_FB_SIMPLE=y
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CONFIG_FB_SYS_COPYAREA=y
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CONFIG_FB_SYS_FILLRECT=y
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CONFIG_FB_SYS_FOPS=y
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@ -139,6 +139,7 @@ CONFIG_FB_DEFERRED_IO=y
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CONFIG_FB_EFI=y
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CONFIG_FB_HYPERV=y
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# CONFIG_FB_I810 is not set
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CONFIG_FB_SIMPLE=y
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CONFIG_FB_SYS_COPYAREA=y
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CONFIG_FB_SYS_FILLRECT=y
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CONFIG_FB_SYS_FOPS=y
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@ -38,6 +38,8 @@ endif
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ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
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ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(IMG_PART_SIGNATURE)-02)
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GPT_ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
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GPT_ROOTPART:=$(if $(GPT_ROOTPART),$(GPT_ROOTPART),PARTUUID=$(shell echo $(IMG_PART_DISKGUID) | sed 's/00$$/02/'))
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GRUB_TIMEOUT:=$(call qstrip,$(CONFIG_GRUB_TIMEOUT))
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GRUB_TITLE:=$(call qstrip,$(CONFIG_GRUB_TITLE))
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@ -47,7 +49,12 @@ BOOTOPTS:=$(call qstrip,$(CONFIG_GRUB_BOOTOPTS))
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define Build/combined
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$(CP) $(KDIR)/$(KERNEL_NAME) $@.boot/boot/vmlinuz
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-$(CP) $(STAGING_DIR_ROOT)/boot/. $@.boot/boot/
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PADDING="1" SIGNATURE="$(IMG_PART_SIGNATURE)" $(SCRIPT_DIR)/gen_image_generic.sh \
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$(if $(filter $(1),efi),
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$(INSTALL_DIR) $@.boot/efi/boot
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$(CP) $(STAGING_DIR_IMAGE)/grub2/boot$(if $(CONFIG_x86_64),x64,ia32).efi $@.boot/efi/boot/
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)
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PADDING="1" SIGNATURE="$(IMG_PART_SIGNATURE)" \
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$(if $(filter $(1),efi),GUID="$(IMG_PART_DISKGUID)") $(SCRIPT_DIR)/gen_image_generic.sh \
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$@ \
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$(CONFIG_TARGET_KERNEL_PARTSIZE) $@.boot \
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$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(IMAGE_ROOTFS) \
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@ -61,6 +68,7 @@ define Build/grub-config
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-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
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-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
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-e 's#@ROOTPART@#root=$(ROOTPART) rootwait#g' \
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-e 's#@GPT_ROOTPART@#root=$(GPT_ROOTPART) rootwait#g' \
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-e 's#@CMDLINE@#$(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE)#g' \
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-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
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-e 's#@TITLE@#$(GRUB_TITLE)#g' \
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@ -71,12 +79,12 @@ define Build/grub-install
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rm -fR $@.grub2
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$(INSTALL_DIR) $@.grub2
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$(CP) $(STAGING_DIR_IMAGE)/grub2/boot.img $@.grub2/
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$(CP) $(STAGING_DIR_IMAGE)/grub2/$(GRUB2_VARIANT)-core.img $@.grub2/core.img
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$(CP) $(STAGING_DIR_IMAGE)/grub2/$(if $(filter $(1),efi),gpt,$(GRUB2_VARIANT))-core.img $@.grub2/core.img
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echo '(hd0) $@' > $@.grub2/device.map
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$(STAGING_DIR_HOST)/bin/grub-bios-setup \
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-m "$@.grub2/device.map" \
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-d "$@.grub2" \
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-r "hd0,msdos1" \
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-r "hd0,$(if $(filter $(1),efi),gpt1,msdos1)" \
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$@
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endef
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@ -87,7 +95,15 @@ define Build/iso
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$(STAGING_DIR_IMAGE)/grub2/eltorito.img \
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> $@.boot/boot/grub/eltorito.img
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-$(CP) $(STAGING_DIR_ROOT)/boot/. $@.boot/boot/
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$(if $(filter $(1),efi),
|
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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
|
||||
|
||||
|
|
@ -100,23 +116,37 @@ define Device/Default
|
|||
IMAGE/combined.vmdk := grub-config pc | combined | grub-install | qemu-image vmdk
|
||||
IMAGE/rootfs.img := append-rootfs
|
||||
IMAGE/rootfs.img.gz := append-rootfs | gzip
|
||||
ARTIFACT/image-efi.iso := grub-config iso | iso efi
|
||||
IMAGE/combined-efi.img := grub-config efi | combined efi | grub-install efi
|
||||
IMAGE/combined-efi.img.gz := grub-config efi | combined efi | grub-install efi | gzip
|
||||
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 := combined.img.gz rootfs.img.gz
|
||||
IMAGES-y := rootfs.img.gz
|
||||
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.img.gz
|
||||
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.img.gz
|
||||
else
|
||||
IMAGES := combined.img rootfs.img
|
||||
IMAGES-y := rootfs.img
|
||||
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.img
|
||||
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.img
|
||||
endif
|
||||
KERNEL := kernel-bin
|
||||
KERNEL_INSTALL := 1
|
||||
KERNEL_NAME := bzImage
|
||||
ifeq ($(CONFIG_ISO_IMAGES),y)
|
||||
ARTIFACTS := image.iso
|
||||
ARTIFACTS-$$(CONFIG_GRUB_IMAGES) += image.iso
|
||||
ARTIFACTS-$$(CONFIG_GRUB_EFI_IMAGES) += image-efi.iso
|
||||
endif
|
||||
ifeq ($(CONFIG_VDI_IMAGES),y)
|
||||
IMAGES += combined.vdi
|
||||
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.vdi
|
||||
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.vdi
|
||||
endif
|
||||
ifeq ($(CONFIG_VMDK_IMAGES),y)
|
||||
IMAGES += combined.vmdk
|
||||
IMAGES-$$(CONFIG_GRUB_IMAGES) += combined.vmdk
|
||||
IMAGES-$$(CONFIG_GRUB_EFI_IMAGES) += combined-efi.vmdk
|
||||
endif
|
||||
IMAGES := $$(IMAGES-y)
|
||||
ARTIFACTS := $$(ARTIFACTS-y)
|
||||
endef
|
||||
|
||||
$(eval $(call Image/gzip-ext4-padded-squashfs))
|
||||
|
|
|
|||
|
|
@ -0,0 +1,13 @@
|
|||
@SERIAL_CONFIG@
|
||||
@TERMINAL_CONFIG@
|
||||
|
||||
set default="0"
|
||||
set timeout="@TIMEOUT@"
|
||||
set root='(hd0,gpt1)'
|
||||
|
||||
menuentry "@TITLE@" {
|
||||
linux /boot/vmlinuz @GPT_ROOTPART@ @CMDLINE@ noinitrd
|
||||
}
|
||||
menuentry "@TITLE@ (failsafe)" {
|
||||
linux /boot/vmlinuz failsafe=true @GPT_ROOTPART@ @CMDLINE@ noinitrd
|
||||
}
|
||||
|
|
@ -3,7 +3,12 @@
|
|||
|
||||
set default="0"
|
||||
set timeout="@TIMEOUT@"
|
||||
set root='(cd)'
|
||||
|
||||
if [ "${grub_platform}" = "efi" ]; then
|
||||
set root='(cd0)'
|
||||
else
|
||||
set root='(cd)'
|
||||
fi
|
||||
|
||||
menuentry "@TITLE@" {
|
||||
linux /boot/vmlinuz root=/dev/sr0 rootfstype=iso9660 rootwait @CMDLINE@ noinitrd
|
||||
|
|
|
|||
Loading…
Reference in New Issue