diff options
Diffstat (limited to 'scripts/lib/wic/plugins/source/bootimg-efi.py')
| -rw-r--r-- | scripts/lib/wic/plugins/source/bootimg-efi.py | 271 |
1 files changed, 239 insertions, 32 deletions
diff --git a/scripts/lib/wic/plugins/source/bootimg-efi.py b/scripts/lib/wic/plugins/source/bootimg-efi.py index 2cfdc10ecd..13a9cddf4e 100644 --- a/scripts/lib/wic/plugins/source/bootimg-efi.py +++ b/scripts/lib/wic/plugins/source/bootimg-efi.py @@ -12,7 +12,11 @@ import logging import os +import tempfile import shutil +import re + +from glob import glob from wic import WicError from wic.engine import get_custom_config @@ -31,6 +35,26 @@ class BootimgEFIPlugin(SourcePlugin): name = 'bootimg-efi' @classmethod + def _copy_additional_files(cls, hdddir, initrd, dtb): + bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") + if not bootimg_dir: + raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting") + + if initrd: + initrds = initrd.split(';') + for rd in initrds: + cp_cmd = "cp %s/%s %s" % (bootimg_dir, rd, hdddir) + exec_cmd(cp_cmd, True) + else: + logger.debug("Ignoring missing initrd") + + if dtb: + if ';' in dtb: + raise WicError("Only one DTB supported, exiting") + cp_cmd = "cp %s/%s %s" % (bootimg_dir, dtb, hdddir) + exec_cmd(cp_cmd, True) + + @classmethod def do_configure_grubefi(cls, hdddir, creator, cr_workdir, source_params): """ Create loader-specific (grub-efi) config @@ -49,18 +73,9 @@ class BootimgEFIPlugin(SourcePlugin): "get it from %s." % configfile) initrd = source_params.get('initrd') + dtb = source_params.get('dtb') - if initrd: - bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") - if not bootimg_dir: - raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting") - - initrds = initrd.split(';') - for rd in initrds: - cp_cmd = "cp %s/%s %s" % (bootimg_dir, rd, hdddir) - exec_cmd(cp_cmd, True) - else: - logger.debug("Ignoring missing initrd") + cls._copy_additional_files(hdddir, initrd, dtb) if not custom_cfg: # Create grub configuration using parameters from wks file @@ -94,6 +109,9 @@ class BootimgEFIPlugin(SourcePlugin): grubefi_conf += " /%s" % rd grubefi_conf += "\n" + if dtb: + grubefi_conf += "devicetree /%s\n" % dtb + grubefi_conf += "}\n" logger.debug("Writing grubefi config %s/hdd/boot/EFI/BOOT/grub.cfg", @@ -115,24 +133,18 @@ class BootimgEFIPlugin(SourcePlugin): bootloader = creator.ks.bootloader + unified_image = source_params.get('create-unified-kernel-image') == "true" + loader_conf = "" - loader_conf += "default boot\n" + if not unified_image: + loader_conf += "default boot\n" loader_conf += "timeout %d\n" % bootloader.timeout initrd = source_params.get('initrd') + dtb = source_params.get('dtb') - if initrd: - # obviously we need to have a common common deploy var - bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") - if not bootimg_dir: - raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting") - - initrds = initrd.split(';') - for rd in initrds: - cp_cmd = "cp %s/%s %s" % (bootimg_dir, rd, hdddir) - exec_cmd(cp_cmd, True) - else: - logger.debug("Ignoring missing initrd") + if not unified_image: + cls._copy_additional_files(hdddir, initrd, dtb) logger.debug("Writing systemd-boot config " "%s/hdd/boot/loader/loader.conf", cr_workdir) @@ -180,11 +192,15 @@ class BootimgEFIPlugin(SourcePlugin): for rd in initrds: boot_conf += "initrd /%s\n" % rd - logger.debug("Writing systemd-boot config " - "%s/hdd/boot/loader/entries/boot.conf", cr_workdir) - cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w") - cfg.write(boot_conf) - cfg.close() + if dtb: + boot_conf += "devicetree /%s\n" % dtb + + if not unified_image: + logger.debug("Writing systemd-boot config " + "%s/hdd/boot/loader/entries/boot.conf", cr_workdir) + cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w") + cfg.write(boot_conf) + cfg.close() @classmethod @@ -204,11 +220,64 @@ class BootimgEFIPlugin(SourcePlugin): cls.do_configure_grubefi(hdddir, creator, cr_workdir, source_params) elif source_params['loader'] == 'systemd-boot': cls.do_configure_systemdboot(hdddir, creator, cr_workdir, source_params) + elif source_params['loader'] == 'uefi-kernel': + pass else: raise WicError("unrecognized bootimg-efi loader: %s" % source_params['loader']) except KeyError: raise WicError("bootimg-efi requires a loader, none specified") + if get_bitbake_var("IMAGE_EFI_BOOT_FILES") is None: + logger.debug('No boot files defined in IMAGE_EFI_BOOT_FILES') + else: + boot_files = None + for (fmt, id) in (("_uuid-%s", part.uuid), ("_label-%s", part.label), (None, None)): + if fmt: + var = fmt % id + else: + var = "" + + boot_files = get_bitbake_var("IMAGE_EFI_BOOT_FILES" + var) + if boot_files: + break + + logger.debug('Boot files: %s', boot_files) + + # list of tuples (src_name, dst_name) + deploy_files = [] + for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files): + if ';' in src_entry: + dst_entry = tuple(src_entry.split(';')) + if not dst_entry[0] or not dst_entry[1]: + raise WicError('Malformed boot file entry: %s' % src_entry) + else: + dst_entry = (src_entry, src_entry) + + logger.debug('Destination entry: %r', dst_entry) + deploy_files.append(dst_entry) + + cls.install_task = []; + for deploy_entry in deploy_files: + src, dst = deploy_entry + if '*' in src: + # by default install files under their basename + entry_name_fn = os.path.basename + if dst != src: + # unless a target name was given, then treat name + # as a directory and append a basename + entry_name_fn = lambda name: \ + os.path.join(dst, + os.path.basename(name)) + + srcs = glob(os.path.join(kernel_dir, src)) + + logger.debug('Globbed sources: %s', ', '.join(srcs)) + for entry in srcs: + src = os.path.relpath(entry, kernel_dir) + entry_dst_name = entry_name_fn(entry) + cls.install_task.append((src, entry_dst_name)) + else: + cls.install_task.append((src, dst)) @classmethod def do_prepare_partition(cls, part, source_params, creator, cr_workdir, @@ -234,10 +303,114 @@ class BootimgEFIPlugin(SourcePlugin): kernel = "%s-%s.bin" % \ (get_bitbake_var("KERNEL_IMAGETYPE"), get_bitbake_var("INITRAMFS_LINK_NAME")) - install_cmd = "install -m 0644 %s/%s %s/%s" % \ - (staging_kernel_dir, kernel, hdddir, kernel) - exec_cmd(install_cmd) + if source_params.get('create-unified-kernel-image') == "true": + initrd = source_params.get('initrd') + if not initrd: + raise WicError("initrd= must be specified when create-unified-kernel-image=true, exiting") + + deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") + efi_stub = glob("%s/%s" % (deploy_dir, "linux*.efi.stub")) + if len(efi_stub) == 0: + raise WicError("Unified Kernel Image EFI stub not found, exiting") + efi_stub = efi_stub[0] + with tempfile.TemporaryDirectory() as tmp_dir: + label = source_params.get('label') + label_conf = "root=%s" % creator.rootdev + if label: + label_conf = "LABEL=%s" % label + + bootloader = creator.ks.bootloader + cmdline = open("%s/cmdline" % tmp_dir, "w") + cmdline.write("%s %s" % (label_conf, bootloader.append)) + cmdline.close() + + initrds = initrd.split(';') + initrd = open("%s/initrd" % tmp_dir, "wb") + for f in initrds: + with open("%s/%s" % (deploy_dir, f), 'rb') as in_file: + shutil.copyfileobj(in_file, initrd) + initrd.close() + + # Searched by systemd-boot: + # https://systemd.io/BOOT_LOADER_SPECIFICATION/#type-2-efi-unified-kernel-images + install_cmd = "install -d %s/EFI/Linux" % hdddir + exec_cmd(install_cmd) + + staging_dir_host = get_bitbake_var("STAGING_DIR_HOST") + target_sys = get_bitbake_var("TARGET_SYS") + + objdump_cmd = "%s-objdump" % target_sys + objdump_cmd += " -p %s" % efi_stub + objdump_cmd += " | awk '{ if ($1 == \"SectionAlignment\"){print $2} }'" + + ret, align_str = exec_native_cmd(objdump_cmd, native_sysroot) + align = int(align_str, 16) + + objdump_cmd = "%s-objdump" % target_sys + objdump_cmd += " -h %s | tail -2" % efi_stub + ret, output = exec_native_cmd(objdump_cmd, native_sysroot) + + offset = int(output.split()[2], 16) + int(output.split()[3], 16) + + osrel_off = offset + align - offset % align + osrel_path = "%s/usr/lib/os-release" % staging_dir_host + osrel_sz = os.stat(osrel_path).st_size + + cmdline_off = osrel_off + osrel_sz + cmdline_off = cmdline_off + align - cmdline_off % align + cmdline_sz = os.stat(cmdline.name).st_size + + dtb_off = cmdline_off + cmdline_sz + dtb_off = dtb_off + align - dtb_off % align + + dtb = source_params.get('dtb') + if dtb: + if ';' in dtb: + raise WicError("Only one DTB supported, exiting") + dtb_path = "%s/%s" % (deploy_dir, dtb) + dtb_params = '--add-section .dtb=%s --change-section-vma .dtb=0x%x' % \ + (dtb_path, dtb_off) + linux_off = dtb_off + os.stat(dtb_path).st_size + linux_off = linux_off + align - linux_off % align + else: + dtb_params = '' + linux_off = dtb_off + + linux_path = "%s/%s" % (staging_kernel_dir, kernel) + linux_sz = os.stat(linux_path).st_size + + initrd_off = linux_off + linux_sz + initrd_off = initrd_off + align - initrd_off % align + + # https://www.freedesktop.org/software/systemd/man/systemd-stub.html + objcopy_cmd = "%s-objcopy" % target_sys + objcopy_cmd += " --enable-deterministic-archives" + objcopy_cmd += " --preserve-dates" + objcopy_cmd += " --add-section .osrel=%s" % osrel_path + objcopy_cmd += " --change-section-vma .osrel=0x%x" % osrel_off + objcopy_cmd += " --add-section .cmdline=%s" % cmdline.name + objcopy_cmd += " --change-section-vma .cmdline=0x%x" % cmdline_off + objcopy_cmd += dtb_params + objcopy_cmd += " --add-section .linux=%s" % linux_path + objcopy_cmd += " --change-section-vma .linux=0x%x" % linux_off + objcopy_cmd += " --add-section .initrd=%s" % initrd.name + objcopy_cmd += " --change-section-vma .initrd=0x%x" % initrd_off + objcopy_cmd += " %s %s/EFI/Linux/linux.efi" % (efi_stub, hdddir) + + exec_native_cmd(objcopy_cmd, native_sysroot) + else: + if source_params.get('install-kernel-into-boot-dir') != 'false': + install_cmd = "install -m 0644 %s/%s %s/%s" % \ + (staging_kernel_dir, kernel, hdddir, kernel) + exec_cmd(install_cmd) + + if get_bitbake_var("IMAGE_EFI_BOOT_FILES"): + for src_path, dst_path in cls.install_task: + install_cmd = "install -m 0644 -D %s %s" \ + % (os.path.join(kernel_dir, src_path), + os.path.join(hdddir, dst_path)) + exec_cmd(install_cmd) try: if source_params['loader'] == 'grub-efi': @@ -252,6 +425,28 @@ class BootimgEFIPlugin(SourcePlugin): for mod in [x for x in os.listdir(kernel_dir) if x.startswith("systemd-")]: cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, mod[8:]) exec_cmd(cp_cmd, True) + elif source_params['loader'] == 'uefi-kernel': + kernel = get_bitbake_var("KERNEL_IMAGETYPE") + if not kernel: + raise WicError("Empty KERNEL_IMAGETYPE %s\n" % target) + target = get_bitbake_var("TARGET_SYS") + if not target: + raise WicError("Unknown arch (TARGET_SYS) %s\n" % target) + + if re.match("x86_64", target): + kernel_efi_image = "bootx64.efi" + elif re.match('i.86', target): + kernel_efi_image = "bootia32.efi" + elif re.match('aarch64', target): + kernel_efi_image = "bootaa64.efi" + elif re.match('arm', target): + kernel_efi_image = "bootarm.efi" + else: + raise WicError("UEFI stub kernel is incompatible with target %s" % target) + + for mod in [x for x in os.listdir(kernel_dir) if x.startswith(kernel)]: + cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, kernel_efi_image) + exec_cmd(cp_cmd, True) else: raise WicError("unrecognized bootimg-efi loader: %s" % source_params['loader']) @@ -263,6 +458,11 @@ class BootimgEFIPlugin(SourcePlugin): cp_cmd = "cp %s %s/" % (startup, hdddir) exec_cmd(cp_cmd, True) + for paths in part.include_path or []: + for path in paths: + cp_cmd = "cp -r %s %s/" % (path, hdddir) + exec_cmd(cp_cmd, True) + du_cmd = "du -bks %s" % hdddir out = exec_cmd(du_cmd) blocks = int(out.split()[0]) @@ -277,6 +477,13 @@ class BootimgEFIPlugin(SourcePlugin): logger.debug("Added %d extra blocks to %s to get to %d total blocks", extra_blocks, part.mountpoint, blocks) + # required for compatibility with certain devices expecting file system + # block count to be equal to partition block count + if blocks < part.fixed_size: + blocks = part.fixed_size + logger.debug("Overriding %s to %d total blocks for compatibility", + part.mountpoint, blocks) + # dosfs image, created by mkdosfs bootimg = "%s/boot.img" % cr_workdir |