diff options
Diffstat (limited to 'classes/uefi-comboapp.bbclass')
| -rw-r--r-- | classes/uefi-comboapp.bbclass | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/classes/uefi-comboapp.bbclass b/classes/uefi-comboapp.bbclass deleted file mode 100644 index 5c3ca8c9..00000000 --- a/classes/uefi-comboapp.bbclass +++ /dev/null @@ -1,151 +0,0 @@ -# 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" |