diff options
Diffstat (limited to 'meta/classes-recipe/kernel-module-split.bbclass')
| -rw-r--r-- | meta/classes-recipe/kernel-module-split.bbclass | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/meta/classes-recipe/kernel-module-split.bbclass b/meta/classes-recipe/kernel-module-split.bbclass new file mode 100644 index 0000000000..9487365eb7 --- /dev/null +++ b/meta/classes-recipe/kernel-module-split.bbclass @@ -0,0 +1,188 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: MIT +# + +pkg_postinst:modules () { +if [ -z "$D" ]; then + depmod -a ${KERNEL_VERSION} +else + # image.bbclass will call depmodwrapper after everything is installed, + # no need to do it here as well + : +fi +} + +pkg_postrm:modules () { +if [ -z "$D" ]; then + depmod -a ${KERNEL_VERSION} +else + depmodwrapper -a -b $D ${KERNEL_VERSION} ${KERNEL_PACKAGE_NAME} +fi +} + +autoload_postinst_fragment() { +if [ x"$D" = "x" ]; then + modprobe %s || true +fi +} + +PACKAGE_WRITE_DEPS += "kmod-native depmodwrapper-cross" + +modulesloaddir ??= "${@bb.utils.contains('DISTRO_FEATURES', 'systemd', '${nonarch_libdir}', '${sysconfdir}', d)}/modules-load.d" +modprobedir ??= "${@bb.utils.contains('DISTRO_FEATURES', 'systemd', '${nonarch_base_libdir}', '${sysconfdir}', d)}/modprobe.d" + +KERNEL_SPLIT_MODULES ?= "1" +PACKAGESPLITFUNCS =+ "split_kernel_module_packages" + +KERNEL_MODULES_META_PACKAGE ?= "${@ d.getVar("KERNEL_PACKAGE_NAME") or "kernel" }-modules" + +KERNEL_MODULE_PACKAGE_PREFIX ?= "" +KERNEL_MODULE_PACKAGE_SUFFIX ?= "-${KERNEL_VERSION}" +KERNEL_MODULE_PROVIDE_VIRTUAL ?= "1" + +python split_kernel_module_packages () { + import re + + modinfoexp = re.compile("([^=]+)=(.*)") + + def extract_modinfo(file): + import tempfile, subprocess + tempfile.tempdir = d.getVar("WORKDIR") + compressed = re.match( r'.*\.(gz|xz|zst)$', file) + tf = tempfile.mkstemp() + tmpfile = tf[1] + if compressed: + tmpkofile = tmpfile + ".ko" + if compressed.group(1) == 'gz': + cmd = "gunzip -dc %s > %s" % (file, tmpkofile) + subprocess.check_call(cmd, shell=True) + elif compressed.group(1) == 'xz': + cmd = "xz -dc %s > %s" % (file, tmpkofile) + subprocess.check_call(cmd, shell=True) + elif compressed.group(1) == 'zst': + cmd = "zstd -dc %s > %s" % (file, tmpkofile) + subprocess.check_call(cmd, shell=True) + else: + msg = "Cannot decompress '%s'" % file + raise msg + cmd = "%s -j .modinfo -O binary %s %s" % (d.getVar("OBJCOPY"), tmpkofile, tmpfile) + else: + cmd = "%s -j .modinfo -O binary %s %s" % (d.getVar("OBJCOPY"), file, tmpfile) + subprocess.check_call(cmd, shell=True) + # errors='replace': Some old kernel versions contain invalid utf-8 characters in mod descriptions (like 0xf6, 'รถ') + with open(tmpfile, errors='replace') as f: + l = f.read().split("\000") + os.close(tf[0]) + os.unlink(tmpfile) + if compressed: + os.unlink(tmpkofile) + vals = {} + for i in l: + m = modinfoexp.match(i) + if not m: + continue + vals[m.group(1)] = m.group(2) + return vals + + def frob_metadata(file, pkg, pattern, format, basename): + vals = extract_modinfo(file) + + dvar = d.getVar('PKGD') + + # If autoloading is requested, output ${modulesloaddir}/<name>.conf and append + # appropriate modprobe commands to the postinst + autoloadlist = (d.getVar("KERNEL_MODULE_AUTOLOAD") or "").split() + autoload = d.getVar('module_autoload_%s' % basename) + if autoload and autoload == basename: + bb.warn("module_autoload_%s was replaced by KERNEL_MODULE_AUTOLOAD for cases where basename == module name, please drop it" % basename) + if autoload and basename not in autoloadlist: + bb.warn("module_autoload_%s is defined but '%s' isn't included in KERNEL_MODULE_AUTOLOAD, please add it there" % (basename, basename)) + if basename in autoloadlist: + conf = '%s/%s.conf' % (d.getVar('modulesloaddir'), basename) + name = '%s%s' % (dvar, conf) + os.makedirs(os.path.dirname(name), exist_ok=True) + with open(name, 'w') as f: + if autoload: + for m in autoload.split(): + f.write('%s\n' % m) + else: + f.write('%s\n' % basename) + conf2append = ' %s' % conf + d.appendVar('FILES:%s' % pkg, conf2append) + d.appendVar('CONFFILES:%s' % pkg, conf2append) + postinst = d.getVar('pkg_postinst:%s' % pkg) + if not postinst: + bb.fatal("pkg_postinst:%s not defined" % pkg) + postinst += d.getVar('autoload_postinst_fragment') % (autoload or basename) + d.setVar('pkg_postinst:%s' % pkg, postinst) + + # Write out any modconf fragment + modconflist = (d.getVar("KERNEL_MODULE_PROBECONF") or "").split() + modconf = d.getVar('module_conf_%s' % basename) + if modconf and basename in modconflist: + conf = '%s/%s.conf' % (d.getVar('modprobedir'), basename) + name = '%s%s' % (dvar, conf) + os.makedirs(os.path.dirname(name), exist_ok=True) + with open(name, 'w') as f: + f.write("%s\n" % modconf) + conf2append = ' %s' % conf + d.appendVar('FILES:%s' % pkg, conf2append) + d.appendVar('CONFFILES:%s' % pkg, conf2append) + + elif modconf: + bb.error("Please ensure module %s is listed in KERNEL_MODULE_PROBECONF since module_conf_%s is set" % (basename, basename)) + + if "description" in vals: + old_desc = d.getVar('DESCRIPTION:' + pkg) or "" + d.setVar('DESCRIPTION:' + pkg, old_desc + "; " + vals["description"]) + + rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS:' + pkg) or "") + modinfo_deps = [] + if "depends" in vals and vals["depends"] != "": + for dep in vals["depends"].split(","): + on = legitimize_package_name(dep) + dependency_pkg = format % on + modinfo_deps.append(dependency_pkg) + for dep in modinfo_deps: + if not dep in rdepends: + rdepends[dep] = [] + d.setVar('RDEPENDS:' + pkg, bb.utils.join_deps(rdepends, commasep=False)) + + # Avoid automatic -dev recommendations for modules ending with -dev. + d.setVarFlag('RRECOMMENDS:' + pkg, 'nodeprrecs', 1) + + # Provide virtual package without postfix + providevirt = d.getVar('KERNEL_MODULE_PROVIDE_VIRTUAL') + if providevirt == "1": + postfix = format.split('%s')[1] + d.setVar('RPROVIDES:' + pkg, pkg.replace(postfix, '')) + + kernel_package_name = d.getVar("KERNEL_PACKAGE_NAME") or "kernel" + kernel_version = d.getVar("KERNEL_VERSION") + + metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE') + splitmods = d.getVar('KERNEL_SPLIT_MODULES') + postinst = d.getVar('pkg_postinst:modules') + postrm = d.getVar('pkg_postrm:modules') + + if splitmods != '1': + d.appendVar('FILES:' + metapkg, '%s %s %s/modules' % + (d.getVar('modulesloaddir'), d.getVar('modprobedir'), d.getVar("nonarch_base_libdir"))) + d.appendVar('pkg_postinst:%s' % metapkg, postinst) + d.prependVar('pkg_postrm:%s' % metapkg, postrm); + return + + module_regex = r'^(.*)\.k?o(?:\.(gz|xz|zst))?$' + + module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX') + module_pattern_suffix = d.getVar('KERNEL_MODULE_PACKAGE_SUFFIX') + module_pattern = module_pattern_prefix + kernel_package_name + '-module-%s' + module_pattern_suffix + + modules = do_split_packages(d, root='${nonarch_base_libdir}/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='%s-%s' % (kernel_package_name, kernel_version)) + if modules: + d.appendVar('RDEPENDS:' + metapkg, ' '+' '.join(modules)) +} + +do_package[vardeps] += '${@" ".join(map(lambda s: "module_conf_" + s, (d.getVar("KERNEL_MODULE_PROBECONF") or "").split()))}' |