Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/kernel-module-split.bbclass b/meta/classes/kernel-module-split.bbclass
new file mode 100644
index 0000000..e1a70e6
--- /dev/null
+++ b/meta/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("/lib/modules/%s/" % d.getVar('KERNEL_VERSION', True) or '', '', 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='/lib/modules', 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()))}'