diff options
Diffstat (limited to 'poky/meta/classes/kernel-module-split.bbclass')
-rw-r--r-- | poky/meta/classes/kernel-module-split.bbclass | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/poky/meta/classes/kernel-module-split.bbclass b/poky/meta/classes/kernel-module-split.bbclass new file mode 100644 index 0000000000..67ab4161da --- /dev/null +++ b/poky/meta/classes/kernel-module-split.bbclass @@ -0,0 +1,158 @@ +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 +} + +PACKAGE_WRITE_DEPS += "kmod-native depmodwrapper-cross" + +do_install_append() { + install -d ${D}${sysconfdir}/modules-load.d/ ${D}${sysconfdir}/modprobe.d/ +} + +PACKAGESPLITFUNCS_prepend = "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") + tf = tempfile.mkstemp() + tmpfile = tf[1] + cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX") or "", file, tmpfile) + subprocess.check_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 frob_metadata(file, pkg, pattern, format, basename): + vals = extract_modinfo(file) + + dvar = d.getVar('PKGD') + + # 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") 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: + 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) + 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: + 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) + 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) 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") + + module_regex = '^(.*)\.k?o$' + + module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX') + module_pattern_suffix = d.getVar('KERNEL_MODULE_PACKAGE_SUFFIX') + module_pattern = module_pattern_prefix + kernel_package_name + '-module-%s' + module_pattern_suffix + + postinst = d.getVar('pkg_postinst_modules') + postrm = d.getVar('pkg_postrm_modules') + + modules = do_split_packages(d, root='${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: + metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE') + 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') + 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") or "").split()))}' |