testing: add support for creating efi live images

TODO: full uefi support in installer

Makefile

@@ -11,6 +11,9 @@ release:
 image:
 	./scripts/image mkimage
 
+image-efi:
+	./scripts/image mkimage efi
+
 noobs:
 	./scripts/image noobs
 

scripts/image

@@ -278,6 +278,9 @@ IMAGE_NAME="$DISTRONAME-$TARGET_VERSION"
 
     # create image files if requested
       if [ "$1" = "mkimage" -a -n "$BOOTLOADER" ]; then
+        if [ "$2" == "efi" ] ; then
+          UEFI=yes
+        fi
         # variables used in image script must be passed
         sudo env \
           PATH="$PATH" \
@@ -289,6 +292,7 @@ IMAGE_NAME="$DISTRONAME-$TARGET_VERSION"
           RELEASE_DIR="$RELEASE_DIR" \
           UUID_SYSTEM="$(uuidgen)" \
           UUID_STORAGE="$(uuidgen)" \
+          UEFI="$UEFI" \
           $SCRIPTS/mkimage
       fi
 

scripts/mkimage

@@ -49,6 +49,14 @@
 
 trap cleanup SIGINT
 
+# generate volume id for fat partition
+if [ "$UEFI" = "yes" ] ; then
+  UUID_1=$(date '+%d%m')
+  UUID_2=$(date '+%M%S')
+  FAT_VOL_ID="${UUID_1}${UUID_2}"
+  UUID_SYSTEM="${UUID_1}-${UUID_2}"
+fi
+
 # ensure loopX not in use
   umount "$OE_TMP" &>/dev/null || :
   umount "$LOOP" &>/dev/null >/dev/null || :
@@ -62,29 +70,46 @@ trap cleanup SIGINT
 # write a disklabel
   echo "image: creating partition table on $DISK..."
   losetup "$LOOP" "$DISK"
-  parted -s "$LOOP" mklabel msdos
+  if [ "$UEFI" = "yes" ] ; then
+    parted -s "$LOOP" mklabel gpt
+  else
+    parted -s "$LOOP" mklabel msdos
+  fi
   sync
 
 # create part1
   echo "image: creating part1 on $DISK..."
   SYSTEM_PART_END=$(( $SYSTEM_SIZE * 1024 * 1024 / 512 + 2048 ))
   if [ "$BOOTLOADER" = "syslinux" ]; then
-    parted -s "$LOOP" -a min unit s mkpart primary ext4 2048 $SYSTEM_PART_END
+    if [ "$UEFI" = "yes" ] ; then
+      parted -s "$LOOP" -a min unit s mkpart primary fat32 2048 $SYSTEM_PART_END
+    else
+      parted -s "$LOOP" -a min unit s mkpart primary ext4 2048 $SYSTEM_PART_END
+    fi
   elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
     parted -s "$LOOP" -a min unit s mkpart primary fat32 2048 $SYSTEM_PART_END
   fi
-  parted -s "$LOOP" set 1 boot on
+  if [ "$UEFI" = "yes" ] ; then
+    parted -s "$LOOP" set 1 legacy_boot on
+  else
+    parted -s "$LOOP" set 1 boot on
+  fi
 
 # create part2
   echo "image: creating part2 on $DISK..."
   STORAGE_PART_START=$(( $SYSTEM_PART_END + 2048 ))
-  parted -s "$LOOP" -a min unit s mkpart primary ext4 $STORAGE_PART_START 100%
+  STORAGE_PART_END=$(( $STORAGE_PART_START + (( $STORAGE_SIZE * 1024 * 1024 / 512 )) ))
+  parted -s "$LOOP" -a min unit s mkpart primary ext4 $STORAGE_PART_START $STORAGE_PART_END
   sync
 
 if [ "$BOOTLOADER" = "syslinux" ]; then
   # write mbr
     echo "image: writing mbr..."
-    MBR="$ROOT/$TOOLCHAIN/share/syslinux/mbr.bin"
+    if [ "$UEFI" = "yes" ] ; then
+      MBR="$ROOT/$TOOLCHAIN/share/syslinux/gptmbr.bin"
+    else
+      MBR="$ROOT/$TOOLCHAIN/share/syslinux/mbr.bin"
+    fi
     if [ -n "$MBR" ]; then
       dd bs=440 count=1 conv=notrunc if="$MBR" of="$LOOP"
     fi
@@ -98,9 +123,13 @@ fi
   SIZELIMIT=$(( $SYSTEM_SIZE * 1024 * 1024 ))
   losetup -o $OFFSET --sizelimit $SIZELIMIT "$LOOP" "$DISK"
   if [ "$BOOTLOADER" = "syslinux" ]; then
-    mke2fs -q -t ext4 -m 0 "$LOOP"
+    if [ "$UEFI" = "yes" ] ; then
-    tune2fs -U $UUID_SYSTEM "$LOOP"
+      mkfs.vfat -i "$FAT_VOL_ID" "$LOOP"
-    e2fsck -n "$LOOP"
+    else
+      mke2fs -q -t ext4 -m 0 "$LOOP"
+      tune2fs -U $UUID_SYSTEM "$LOOP"
+      e2fsck -n "$LOOP"
+    fi
   elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
     mkfs.vfat "$LOOP"
   fi
@@ -156,7 +185,11 @@ EOF
 
   # install extlinux
     echo "image: installing extlinux to part1..."
-    extlinux --heads=4 --sector=32 -i "$OE_TMP"
+    if [ "$UEFI" = "yes" ] ; then
+      syslinux --heads=4 --sector=32 -i "$LOOP"
+    else
+      extlinux --heads=4 --sector=32 -i "$OE_TMP"
+    fi
 
   # copy files
     echo "image: copying files to part1..."
@@ -166,7 +199,26 @@ EOF
     cp $ROOT/$TOOLCHAIN/share/syslinux/vesamenu.c32 "$OE_TMP"
     cp $ROOT/$TOOLCHAIN/share/syslinux/libcom32.c32 "$OE_TMP"
     cp $ROOT/$TOOLCHAIN/share/syslinux/libutil.c32 "$OE_TMP"
+    if [ "$UEFI" = "yes" ] ; then
+      mkdir -p "$OE_TMP/EFI/BOOT"
+      cp $RELEASE_DIR/splash.png "$OE_TMP/EFI/BOOT"
+      cp $ROOT/$TOOLCHAIN/share/syslinux/vesamenu.c32 "$OE_TMP/EFI/BOOT"
+      cp $ROOT/$TOOLCHAIN/share/syslinux/libcom32.c32 "$OE_TMP/EFI/BOOT"
+      cp $ROOT/$TOOLCHAIN/share/syslinux/libutil.c32 "$OE_TMP/EFI/BOOT"
+      cp $ROOT/$TOOLCHAIN/share/syslinux/syslinux.efi "$OE_TMP/EFI/BOOT/bootx64.efi"
+      cp $ROOT/$TOOLCHAIN/share/syslinux/ldlinux.e64 "$OE_TMP/EFI/BOOT"
+      cat << EOF > "$OE_TMP"/EFI/BOOT/syslinux.cfg
+DEFAULT live
 
+LABEL installer
+  KERNEL /KERNEL
+  APPEND boot=UUID=$UUID_SYSTEM installer quiet tty vga=current
+
+LABEL live
+  KERNEL /KERNEL
+  APPEND boot=UUID=$UUID_SYSTEM disk=UUID=$UUID_STORAGE quiet vga=current
+EOF
+    fi
 elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
   # create bootloader configuration
     echo "image: creating bootloader configuration..."
@@ -204,8 +256,10 @@ fi # bootloader
   mount "$LOOP" "$OE_TMP"
 
 # add resize mark
-  touch "$OE_TMP/.please_resize_me"
+  if [ "$UEFI" != "yes" ] ; then
-  sync
+    touch "$OE_TMP/.please_resize_me"
+    sync
+  fi
 
 # unmount part2
   echo "image: unmounting part2..."