diff options
Diffstat (limited to 'classes/kernel-module-split.bbclass')
| -rw-r--r-- | classes/kernel-module-split.bbclass | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/classes/kernel-module-split.bbclass b/classes/kernel-module-split.bbclass new file mode 100644 index 0000000..172b8df --- /dev/null +++ b/classes/kernel-module-split.bbclass @@ -0,0 +1,203 @@ +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 ${KERNEL_VERSION} +fi +} + +autoload_postinst_fragment() { +if [ x"$D" = "x" ]; then + modprobe %s || true +fi +} + +do_install_append() { + install -d ${D}${sysconfdir}/modules-load.d/ ${D}${sysconfdir}/modprobe.d/ +} + +PACKAGESPLITFUNCS_prepend = "split_kernel_module_packages " + +KERNEL_MODULES_META_PACKAGE ?= "kernel-modules" + +python split_kernel_module_packages () { + import re + + modinfoexp = re.compile("([^=]+)=(.*)") + kerverrexp = re.compile('^(.*-hh.*)[\.\+].*$') + depmodpat0 = re.compile("^(.*\.k?o):..*$") + depmodpat1 = re.compile("^(.*\.k?o):\s*(.*\.k?o)\s*$") + depmodpat2 = re.compile("^(.*\.k?o):\s*(.*\.k?o)\s*\\\$") + depmodpat3 = re.compile("^\t(.*\.k?o)\s*\\\$") + depmodpat4 = re.compile("^\t(.*\.k?o)\s*$") + + def extract_modinfo(file): + import tempfile, subprocess + tempfile.tempdir = d.getVar("WORKDIR", True) + tf = tempfile.mkstemp() + tmpfile = tf[1] + cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX", True) or "", file, tmpfile) + subprocess.call(cmd, shell=True) + f = open(tmpfile) + l = f.read().split("\000") + f.close() + os.close(tf[0]) + os.unlink(tmpfile) + vals = {} + for i in l: + m = modinfoexp.match(i) + if not m: + continue + vals[m.group(1)] = m.group(2) + return vals + + def parse_depmod(): + + dvar = d.getVar('PKGD', True) + + kernelver = d.getVar('KERNEL_VERSION', True) + kernelver_stripped = kernelver + m = kerverrexp.match(kernelver) + if m: + kernelver_stripped = m.group(1) + staging_kernel_dir = d.getVar("STAGING_KERNEL_BUILDDIR", True) + system_map_file = "%s/boot/System.map-%s" % (dvar, kernelver) + if not os.path.exists(system_map_file): + system_map_file = "%s/System.map-%s" % (staging_kernel_dir, kernelver) + if not os.path.exists(system_map_file): + bb.fatal("System.map-%s does not exist in '%s/boot' nor STAGING_KERNEL_BUILDDIR '%s'" % (kernelver, dvar, staging_kernel_dir)) + + cmd = "depmod -n -a -b %s -F %s %s" % (dvar, system_map_file, kernelver_stripped) + f = os.popen(cmd, 'r') + + deps = {} + line = f.readline() + while line: + if not depmodpat0.match(line): + line = f.readline() + continue + m1 = depmodpat1.match(line) + if m1: + deps[m1.group(1)] = m1.group(2).split() + else: + m2 = depmodpat2.match(line) + if m2: + deps[m2.group(1)] = m2.group(2).split() + line = f.readline() + m3 = depmodpat3.match(line) + while m3: + deps[m2.group(1)].extend(m3.group(1).split()) + line = f.readline() + m3 = depmodpat3.match(line) + m4 = depmodpat4.match(line) + deps[m2.group(1)].extend(m4.group(1).split()) + line = f.readline() + f.close() + return deps + + def get_dependencies(file, pattern, format): + # file no longer includes PKGD + file = file.replace(d.getVar('PKGD', True) or '', '', 1) + # instead is prefixed with /lib/modules/${KERNEL_VERSION} + file = file.replace("%s/modules/%s/" % (d.getVar('base_libdir', True), d.getVar('KERNEL_VERSION', True)), '', 1) + + if file in module_deps: + dependencies = [] + for i in module_deps[file]: + m = re.match(pattern, os.path.basename(i)) + if not m: + continue + on = legitimize_package_name(m.group(1)) + dependency_pkg = format % on + dependencies.append(dependency_pkg) + return dependencies + return [] + + def frob_metadata(file, pkg, pattern, format, basename): + vals = extract_modinfo(file) + + dvar = d.getVar('PKGD', True) + + # If autoloading is requested, output /etc/modules-load.d/<name>.conf and append + # appropriate modprobe commands to the postinst + autoloadlist = (d.getVar("KERNEL_MODULE_AUTOLOAD", True) or "").split() + autoload = d.getVar('module_autoload_%s' % basename, True) + 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: + name = '%s/etc/modules-load.d/%s.conf' % (dvar, basename) + f = open(name, 'w') + if autoload: + for m in autoload.split(): + f.write('%s\n' % m) + else: + f.write('%s\n' % basename) + f.close() + postinst = d.getVar('pkg_postinst_%s' % pkg, True) + if not postinst: + bb.fatal("pkg_postinst_%s not defined" % pkg) + postinst += d.getVar('autoload_postinst_fragment', True) % (autoload or basename) + d.setVar('pkg_postinst_%s' % pkg, postinst) + + # Write out any modconf fragment + modconflist = (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split() + modconf = d.getVar('module_conf_%s' % basename, True) + if modconf and basename in modconflist: + name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename) + f = open(name, 'w') + f.write("%s\n" % modconf) + f.close() + elif modconf: + bb.error("Please ensure module %s is listed in KERNEL_MODULE_PROBECONF since module_conf_%s is set" % (basename, basename)) + + files = d.getVar('FILES_%s' % pkg, True) + files = "%s /etc/modules-load.d/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename) + d.setVar('FILES_%s' % pkg, files) + + if "description" in vals: + old_desc = d.getVar('DESCRIPTION_' + pkg, True) or "" + d.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"]) + + rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg, True) or "") + for dep in get_dependencies(file, pattern, format): + 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) + + module_deps = parse_depmod() + module_regex = '^(.*)\.k?o$' + module_pattern = 'kernel-module-%s' + + postinst = d.getVar('pkg_postinst_modules', True) + postrm = d.getVar('pkg_postrm_modules', True) + + modules = do_split_packages(d, root='%s/modules' % d.getVar('base_libdir', True), file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='kernel-%s' % (d.getVar("KERNEL_VERSION", True))) + if modules: + metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE', True) + d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(modules)) + + # If modules-load.d and modprobe.d are empty at this point, remove them to + # avoid warnings. removedirs only raises an OSError if an empty + # directory cannot be removed. + dvar = d.getVar('PKGD', True) + for dir in ["%s/etc/modprobe.d" % (dvar), "%s/etc/modules-load.d" % (dvar), "%s/etc" % (dvar)]: + if len(os.listdir(dir)) == 0: + os.rmdir(dir) +} + +do_package[vardeps] += '${@" ".join(map(lambda s: "module_conf_" + s, (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split()))}' |