Updated Bullseye release

Bullseye/.gitignore

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+debian-files/*
+output/*
+payload/*

Bullseye/generate_images.sh

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+#!/bin/bash
+
+##RUN THIS AS SUDO OR ROOT
+
+##requires gzip, rsync, wget, cpio, grub2, xorriso, gawk
+##sudo apt-get install gzip rsync wget cpio grub2 xorriso gawk -y
+
+distro="bullseye"
+
+####Prepare output directories####
+mkdir debian-files output
+rm -r payload/
+mkdir -p payload/source
+
+####Clear tempfiles if applicable####
+cd debian-files
+if [ -d "tmp" ]; then
+   rm -r "tmp/"
+fi
+
+####Download the latest distro netboot installer ISO####
+wget -N "http://ftp.nl.debian.org/debian/dists/$distro/main/installer-amd64/current/images/netboot/mini.iso"
+cd ..
+
+####Bring prerequisite files into the payload build directory####
+cp preseed.cfg payload/
+cp startup.nsh payload/
+#cp ../../../*.sh payload/source/
+#cp ../../../*.service payload/source/
+#cp ../../../it8721.conf payload/source/
+#cp -r ../../../micon_scripts payload/source/
+#cp ../../../micro-evtd payload/source/
+#cp -r ../../../Tools/modules payload/source/
+
+####Extract the netboot installer ISO####
+xorriso -osirrox on -indev debian-files/mini.iso -extract / iso/
+cp iso/initrd.gz .
+if [ $? -ne 0 ]; then
+        echo "failed to retrieve initrd.gz, quitting"
+        exit
+fi
+
+####Get the netboot installer kernel version####
+kernel_ver="$(zcat initrd.gz | cpio -t | grep -m 1 lib/modules/ | gawk -F/ '{print $3}')"
+
+####Extract the initial ramdisk of the netboot installer####
+gunzip initrd.gz
+if [ $? -ne 0 ]; then
+        echo "failed to unpack initrd.gz, quitting"
+        exit
+fi
+
+####Modify the initial ramdisk####
+cd payload
+find . | cpio -v -H newc -o -A -F ../initrd
+if [ $? -ne 0 ]; then
+        echo "failed to patch initrd.gz, quitting"
+        exit
+fi
+
+####Repack the new initial ramdisk####
+cd ..
+gzip initrd
+#cat initrd | xz --check=crc32 -9 > initrd.xz
+if [ $? -ne 0 ]; then
+        echo "failed to pack initrd, quitting"
+        exit
+fi
+
+####Remove original GRUB files####
+#rm -r iso/boot/grub/*
+
+####Assemble some files for the new ISO####
+cp initrd.gz iso/
+cp grub.cfg iso/boot/grub/
+#mkdir iso/EFI
+#cp startup.nsh iso/EFI
+
+####Clear the final output directory####
+rm output/*
+
+####Build the new ISO using GRUB####
+#grub-mkrescue -o "output/dx4000-$distro-installer.iso" iso/
+
+####Make a GRUB image####
+#BOOT_IMG_DATA=$(mktemp -d)
+#BOOT_IMG=$(mktemp -d)/efi.img
+
+#mkdir -p $(dirname $BOOT_IMG)
+
+#truncate -s 8M $BOOT_IMG
+#mkfs.vfat $BOOT_IMG
+#mount $BOOT_IMG $BOOT_IMG_DATA
+#mkdir -p $BOOT_IMG_DATA/efi/boot
+
+#grub-mkimage \
+#    -C xz \
+#    -O x86_64-efi \
+#    -p /boot/grub \
+#    -o $BOOT_IMG_DATA/efi/boot/bootx64.efi \
+#    boot linux search normal configfile \
+#    part_gpt btrfs ext2 fat iso9660 loopback \
+#    test keystatus gfxmenu regexp probe \
+#    efi_gop efi_uga all_video gfxterm font \
+#    echo read ls cat png jpeg halt reboot
+
+#umount $BOOT_IMG_DATA
+#cp $BOOT_IMG .
+#rm -rf $BOOT_IMG_DATA
+
+####Extract Debian's unused EFI raw image####
+mkdir efimount
+mount debian-files/mini.iso efimount
+cp efimount/boot/grub/efi.img .
+umount efimount
+rmdir efimount
+
+####Assemble ISO####
+xorriso -as mkisofs \
+    -iso-level 3 \
+    -r -V "dx4000-$distro-installer" \
+    -J -joliet-long \
+    -append_partition 2 0xef efi.img \
+    -partition_cyl_align all \
+    -o "output/dx4000-$distro-installer.iso" \
+    iso/
+
+####Delete byproducts####
+rm -r iso/
+rm efi.img
+rm initrd.gz

Bullseye/grub.cfg

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+set timeout=5
+set default=0
+
+terminal_output gfxterm console
+
+menuentry "DX4000 Debian Installer" {
+    linux /linux --- console=ttyS1,115200n8
+    initrd /initrd.gz
+    boot
+}