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diff --git a/classes/uefi-comboapp.bbclass b/classes/uefi-comboapp.bbclass
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+++ b/classes/uefi-comboapp.bbclass
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+# This class brings a more generic version of the UEFI combo app from refkit to meta-intel.
+# It uses a combo file, containing kernel, initramfs and
+# command line, presented to the BIOS as UEFI application, by prepending
+# it with the efi stub obtained from systemd-boot.
+
+# Don't add syslinux or build an ISO
+PCBIOS_forcevariable = "0"
+NOISO_forcevariable  = "1"
+
+# image-live.bbclass will default INITRD_LIVE to the image INITRD_IMAGE creates.
+# We want behavior to be consistent whether or not "live" is in IMAGE_FSTYPES, so
+# we default INITRD_LIVE to the INITRD_IMAGE as well.
+INITRD_IMAGE ?= "core-image-minimal-initramfs"
+INITRD_LIVE ?= " ${@ ('${DEPLOY_DIR_IMAGE}/' + d.getVar('INITRD_IMAGE', expand=True) + '-${MACHINE}.cpio.gz') if d.getVar('INITRD_IMAGE', True) else ''}"
+
+do_uefiapp[depends] += " \
+                         intel-microcode:do_deploy \
+                         systemd-boot:do_deploy \
+                         virtual/kernel:do_deploy \
+                       "
+
+# INITRD_IMAGE is added to INITRD_LIVE, which we use to create our initrd, so depend on it if it is set
+do_uefiapp[depends] += "${@ '${INITRD_IMAGE}:do_image_complete' if d.getVar('INITRD_IMAGE') else ''}"
+
+# The image does without traditional bootloader.
+# In its place, instead, it uses a single UEFI executable binary, which is
+# composed by:
+#   - an UEFI stub
+#     The linux kernel can generate a UEFI stub, however the one from systemd-boot can fetch
+#     the command line from a separate section of the EFI application, avoiding the need to
+#     rebuild the kernel.
+#   - the kernel
+#   - an initramfs (optional)
+
+def create_uefiapp(d, uuid=None, app_suffix=''):
+    import glob, re
+    from subprocess import check_call
+
+    build_dir = d.getVar('B')
+    deploy_dir_image = d.getVar('DEPLOY_DIR_IMAGE')
+    image_link_name = d.getVar('IMAGE_LINK_NAME')
+
+    cmdline = '%s/cmdline.txt' % build_dir
+    linux = '%s/%s' % (deploy_dir_image, d.getVar('KERNEL_IMAGETYPE'))
+    initrd = '%s/initrd' % build_dir
+
+    stub_path = '%s/linux*.efi.stub' % deploy_dir_image
+    stub = glob.glob(stub_path)[0]
+    m = re.match(r"\S*(ia32|x64)(.efi)\S*", os.path.basename(stub))
+    app = "boot%s%s%s" % (m.group(1), app_suffix, m.group(2))
+    executable = '%s/%s.%s' % (deploy_dir_image, image_link_name, app)
+
+    if d.getVar('INITRD_LIVE'):
+        with open(initrd, 'wb') as dst:
+            for cpio in d.getVar('INITRD_LIVE').split():
+                with open(cpio, 'rb') as src:
+                    dst.write(src.read())
+        initrd_cmd = "--add-section .initrd=%s --change-section-vma .initrd=0x3000000 " % initrd
+    else:
+        initrd_cmd = ""
+
+    root = 'root=PARTUUID=%s' % uuid if uuid else ''
+
+    with open(cmdline, 'w') as f:
+        f.write('%s %s' % (d.getVar('APPEND'), root))
+
+    objcopy_cmd = ("objcopy "
+        "--add-section .cmdline=%s --change-section-vma .cmdline=0x30000 "
+        "--add-section .linux=%s --change-section-vma .linux=0x40000 "
+        "%s %s %s") % \
+        (cmdline, linux, initrd_cmd, stub, executable)
+
+    check_call(objcopy_cmd, shell=True)
+
+python create_uefiapps () {
+    # We must clean up anything that matches the expected output pattern, to ensure that
+    # the next steps do not accidentally use old files.
+    import glob
+    pattern = d.expand('${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.boot*.efi')
+    for old_efi in glob.glob(pattern):
+        os.unlink(old_efi)
+    uuid = d.getVar('DISK_SIGNATURE_UUID')
+    create_uefiapp(d, uuid=uuid)
+}
+
+# This is intentionally split into different parts. This way, derived
+# classes or images can extend the individual parts. We can also use
+# whatever language (shell script or Python) is more suitable.
+python do_uefiapp() {
+    bb.build.exec_func('create_uefiapps', d)
+}
+
+do_uefiapp[vardeps] += "APPEND DISK_SIGNATURE_UUID INITRD_LIVE KERNEL_IMAGETYPE IMAGE_LINK_NAME"
+
+uefiapp_deploy_at() {
+    dest=$1
+    for i in ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.boot*.efi; do
+        target=`basename $i`
+        target=`echo $target | sed -e 's/${IMAGE_LINK_NAME}.//'`
+        cp  --preserve=timestamps -r $i $dest/$target
+    done
+}
+
+do_uefiapp_deploy() {
+    rm -rf ${IMAGE_ROOTFS}/boot/*
+    dest=${IMAGE_ROOTFS}/boot/EFI/BOOT
+    mkdir -p $dest
+    uefiapp_deploy_at $dest
+}
+
+do_uefiapp_deploy[depends] += "${PN}:do_uefiapp"
+
+
+# This decides when/how we add our tasks to the image
+python () {
+    image_fstypes = d.getVar('IMAGE_FSTYPES', True)
+    initramfs_fstypes = d.getVar('INITRAMFS_FSTYPES', True)
+
+    # Don't add any of these tasks to initramfs images
+    if initramfs_fstypes not in image_fstypes:
+        bb.build.addtask('uefiapp', 'do_image', 'do_rootfs', d)
+        bb.build.addtask('uefiapp_deploy', 'do_image', 'do_rootfs', d)
+}
+
+SIGN_AFTER ?= "do_uefiapp"
+SIGN_BEFORE ?= "do_uefiapp_deploy"
+SIGNING_DIR ?= "${DEPLOY_DIR_IMAGE}"
+SIGNING_BINARIES ?= "${IMAGE_LINK_NAME}.boot*.efi"
+inherit uefi-sign
+
+# Legacy hddimg support below this line
+efi_hddimg_populate() {
+    uefiapp_deploy_at "$1"
+}
+
+build_efi_cfg() {
+    # The command line is built into the combo app, so this is a null op
+    :
+}
+
+populate_kernel_append() {
+    # The kernel and initrd are built into the app, so we don't need these
+    if [ -f $dest/initrd ]; then
+        rm $dest/initrd
+    fi
+    if [ -f $dest/vmlinuz ]; then
+        rm $dest/vmlinuz
+    fi
+}
+
+IMAGE_FEATURES[validitems] += "secureboot"