WIP: EFI boot support

custom/EFI-grub/.gitignore

@@ -0,0 +1,2 @@
+grub-built
+*.EFI

custom/EFI-grub/build-grub.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+DIR="$(readlink -f .)"
+
+# Dependencies: xfonts-unifont
+
+cd git
+./autogen.sh
+
+./configure --prefix="$DIR/grub-built" --with-platform=efi --enable-grub-mkfont
+
+make -j`nproc`
+
+make install
+
+# Install font
+make unicode.pf2
+cp -v unicode.pf2 ../

custom/EFI-grub/efi-grub.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+set -e
+
+PATH="./grub-built/bin:$PATH"
+
+MODULES="normal"
+MODULES="$MODULES part_gpt part_msdos" # Partition tables
+MODULES="$MODULES fat ntfs exfat iso9660" # Filesystems
+MODULES="$MODULES linux chain" # Boot targets
+MODULES="$MODULES help reboot halt" # Utilities
+MODULES="$MODULES ls search search_fs_file" # Utilities
+MODULES="$MODULES usb_keyboard at_keyboard all_video" # Hardware support
+MODULES="$MODULES gfxterm font" # Graphical terminal
+MODULES="$MODULES configfile sleep" # TEMP - Debugging
+
+grub-mkimage --format=x86_64-efi --output=BOOTX64.EFI --config=embed.cfg --prefix=/EFI/BOOT $MODULES
+
+sizeMB=$(set -- $(du -m BOOTX64.EFI); echo $1)
+
+dd if=/dev/zero of=efiboot.img bs=1M count=$sizeMB
+
+mkdosfs -F 12 efiboot.img
+
+mkdir -p efiboot
+sudo mount -o loop efiboot.img efiboot
+
+sudo mkdir -p efiboot/EFI/BOOT
+
+sudo cp BOOTX64.EFI efiboot/EFI/BOOT/
+
+sudo umount efiboot

custom/EFI-grub/embed.cfg

@@ -0,0 +1,2 @@
+search --set=root --file /dban.bzi
+set prefix=($root)

custom/EFI-grub/grub.cfg

@@ -0,0 +1,13 @@
+set timeout=-1
+
+if loadfont ${prefix}/unicode.pf2
+then
+	insmod gfxterm
+	set gfxmode=auto
+	set gfxpayload=keep
+	terminal_output gfxterm
+fi
+
+menuentry "DBAN (interactive)" {
+	linux /dban.bzi nuke="dwipe" silent
+}

isoroot/i586/SOURCE

@@ -0,0 +1,2 @@
+ISOLINUX source can be obtained here: http://www.syslinux.org/wiki/index.php?title=Download
+We are currently using v6.03

master.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 BR2_CONFIG=buildroot/.config
 
@@ -14,10 +15,9 @@ OUTDIR=isoroot/${BR2_ARCH}/output
 INDIR=isoroot/${BR2_ARCH}/input
 VOLUME="DBAN v$DBAN_VERSION ($BR2_ARCH)"
 
-ISOHYBRID=0
 PRERELEASE=0
 
-GIT_TAG=$(git describe --tags --exact-match 2>/dev/null)
+GIT_TAG=$(git describe --tags --exact-match 2>/dev/null || true)
 if [ -z "$GIT_TAG" -o "${GIT_TAG%/*}" = "nightly" ]; then
 	GIT_VERSION=$(git log -1 --date=format:"%Y%m%d" --pretty=format:"%cd-g%h")
 	VOLUME="DBAN $GIT_VERSION"
@@ -26,16 +26,24 @@ fi
 
 BZIMAGE_DIR=
 
+mkdir -p $OUTDIR
+
+MKISOFS="xorriso -as mkisofs"
 MKISOFS_ARGS=()
 case "${BR2_ARCH}" in
 	i586)
 		test ! -r "$INDIR/isolinux.bin" && echo "$0: $INDIR/isolinux.bin is missing." && exit 3
 		MKISOFS_ARGS+=(-b isolinux.bin -c isolinux.cat -no-emul-boot -boot-load-size 4 -boot-info-table)
 		MKISOFS_ARGS+=(-V "$VOLUME")
-		ISOHYBRID=1
+		# Copy GRUB files
+		for file in efiboot.img grub.cfg unicode.pf2; do
+			cp -v "custom/EFI-grub/$file" "$OUTDIR/"
+		done
+		MKISOFS_ARGS+=(-isohybrid-mbr "$INDIR/../isohdpfx.bin" -isohybrid-gpt-basdat -eltorito-alt-boot -e efiboot.img -no-emul-boot)
 	;;
 	powerpc)
 		test ! -r "$INDIR/ppc/yaboot" && echo "$0: $INDIR/ppc/yaboot is missing." && exit 3
+		MKISOFS="mkisofs"
 		MKISOFS_ARGS+=(-chrp-boot -hfs -no-cache-inodes -no-desktop -part -r)
 		MKISOFS_ARGS+=(-map "$OUTDIR/ppc/map")
 		MKISOFS_ARGS+=(-hfs-bless "$OUTDIR/ppc")
@@ -56,9 +64,8 @@ else
 	OUTNAME="dban-${GIT_VERSION}_linux-${BR2_LINUX_KERNEL_VERSION}_${BR2_ARCH}.iso"
 fi
 
-mkdir -p $OUTDIR
 cp -r isoroot/generic/* $OUTDIR/
 cp -r $INDIR/* $OUTDIR/
-mkisofs -o "$OUTNAME" "${MKISOFS_ARGS[@]}" "$OUTDIR"
-[ "$ISOHYBRID" = "1" ] && ./isohybrid "$OUTNAME"
+echo "> $MKISOFS -o $OUTNAME ${MKISOFS_ARGS[@]} $OUTDIR"
+$MKISOFS -o "$OUTNAME" "${MKISOFS_ARGS[@]}" "$OUTDIR"
 ls -ll "$OUTNAME"