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51 lines
2.4 KiB
Bash
51 lines
2.4 KiB
Bash
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#!/bin/sh
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# Copyright 2013 Patrick J. Volkerding, Sebeka, Minnesota, USA
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# All rights reserved.
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#
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# Redistribution and use of this script, with or without modification, is
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of this script must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Create the 64-bit EFI GRUB binary (bootx64.efi) and the El-Torito boot
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# image (efiboot.img) that goes in the /isolinux directory for booting on
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# UEFI systems.
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# First, build bootx64.efi, which will be installed here in /EFI/BOOT:
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grub-mkimage --format=x86_64-efi --output=bootx64.efi --config=grub-embedded.cfg --compression=xz --prefix=/EFI/BOOT part_gpt part_msdos fat ext2 hfs hfsplus iso9660 udf ufs1 ufs2 zfs chain linux boot appleldr ahci configfile normal regexp minicmd reboot halt search search_fs_file search_fs_uuid search_label gfxterm gfxmenu efi_gop efi_uga all_video loadbios gzio echo true probe loadenv bitmap_scale font cat help ls png jpeg tga test at_keyboard usb_keyboard
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# Then, create a FAT formatted image that contains bootx64.efi in the
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# /EFI/BOOT directory. This is used to bootstrap GRUB from the ISO image.
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dd if=/dev/zero of=efiboot.img bs=1K count=1440
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# Format the image as FAT12:
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mkdosfs -F 12 efiboot.img
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# Create a temporary mount point:
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MOUNTPOINT=$(mktemp -d)
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# Mount the image there:
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mount -o loop efiboot.img $MOUNTPOINT
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# Copy the GRUB binary to /EFI/BOOT:
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mkdir -p $MOUNTPOINT/EFI/BOOT
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cp -a bootx64.efi $MOUNTPOINT/EFI/BOOT
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# Unmount and clean up:
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umount $MOUNTPOINT
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rmdir $MOUNTPOINT
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# Move the efiboot.img to ../../isolinux:
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mv efiboot.img ../../isolinux
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echo
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echo "Done building /EFI/BOOT/bootx64.efi and /isolinux/efiboot.img."
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