diff --git a/poky/meta/lib/oe/packagedata.py b/poky/meta/lib/oe/packagedata.py
index b2ed8b5..162ff60 100644
--- a/poky/meta/lib/oe/packagedata.py
+++ b/poky/meta/lib/oe/packagedata.py
@@ -6,6 +6,11 @@
 
 import codecs
 import os
+import json
+import bb.compress.zstd
+import oe.path
+
+from glob import glob
 
 def packaged(pkg, d):
     return os.access(get_subpkgedata_fn(pkg, d) + '.packaged', os.R_OK)
@@ -110,3 +115,237 @@
     """Return the recipe name for the given binary package name."""
 
     return pkgmap(d).get(pkg)
+
+def get_package_mapping(pkg, basepkg, d, depversions=None):
+    import oe.packagedata
+
+    data = oe.packagedata.read_subpkgdata(pkg, d)
+    key = "PKG:%s" % pkg
+
+    if key in data:
+        if bb.data.inherits_class('allarch', d) and bb.data.inherits_class('packagegroup', d) and pkg != data[key]:
+            bb.error("An allarch packagegroup shouldn't depend on packages which are dynamically renamed (%s to %s)" % (pkg, data[key]))
+        # Have to avoid undoing the write_extra_pkgs(global_variants...)
+        if bb.data.inherits_class('allarch', d) and not d.getVar('MULTILIB_VARIANTS') \
+            and data[key] == basepkg:
+            return pkg
+        if depversions == []:
+            # Avoid returning a mapping if the renamed package rprovides its original name
+            rprovkey = "RPROVIDES:%s" % pkg
+            if rprovkey in data:
+                if pkg in bb.utils.explode_dep_versions2(data[rprovkey]):
+                    bb.note("%s rprovides %s, not replacing the latter" % (data[key], pkg))
+                    return pkg
+        # Do map to rewritten package name
+        return data[key]
+
+    return pkg
+
+def get_package_additional_metadata(pkg_type, d):
+    base_key = "PACKAGE_ADD_METADATA"
+    for key in ("%s_%s" % (base_key, pkg_type.upper()), base_key):
+        if d.getVar(key, False) is None:
+            continue
+        d.setVarFlag(key, "type", "list")
+        if d.getVarFlag(key, "separator") is None:
+            d.setVarFlag(key, "separator", "\\n")
+        metadata_fields = [field.strip() for field in oe.data.typed_value(key, d)]
+        return "\n".join(metadata_fields).strip()
+
+def runtime_mapping_rename(varname, pkg, d):
+    #bb.note("%s before: %s" % (varname, d.getVar(varname)))
+
+    new_depends = {}
+    deps = bb.utils.explode_dep_versions2(d.getVar(varname) or "")
+    for depend, depversions in deps.items():
+        new_depend = get_package_mapping(depend, pkg, d, depversions)
+        if depend != new_depend:
+            bb.note("package name mapping done: %s -> %s" % (depend, new_depend))
+        new_depends[new_depend] = deps[depend]
+
+    d.setVar(varname, bb.utils.join_deps(new_depends, commasep=False))
+
+    #bb.note("%s after: %s" % (varname, d.getVar(varname)))
+
+def emit_pkgdata(pkgfiles, d):
+    def process_postinst_on_target(pkg, mlprefix):
+        pkgval = d.getVar('PKG:%s' % pkg)
+        if pkgval is None:
+            pkgval = pkg
+
+        defer_fragment = """
+if [ -n "$D" ]; then
+    $INTERCEPT_DIR/postinst_intercept delay_to_first_boot %s mlprefix=%s
+    exit 0
+fi
+""" % (pkgval, mlprefix)
+
+        postinst = d.getVar('pkg_postinst:%s' % pkg)
+        postinst_ontarget = d.getVar('pkg_postinst_ontarget:%s' % pkg)
+
+        if postinst_ontarget:
+            bb.debug(1, 'adding deferred pkg_postinst_ontarget() to pkg_postinst() for %s' % pkg)
+            if not postinst:
+                postinst = '#!/bin/sh\n'
+            postinst += defer_fragment
+            postinst += postinst_ontarget
+            d.setVar('pkg_postinst:%s' % pkg, postinst)
+
+    def add_set_e_to_scriptlets(pkg):
+        for scriptlet_name in ('pkg_preinst', 'pkg_postinst', 'pkg_prerm', 'pkg_postrm'):
+            scriptlet = d.getVar('%s:%s' % (scriptlet_name, pkg))
+            if scriptlet:
+                scriptlet_split = scriptlet.split('\n')
+                if scriptlet_split[0].startswith("#!"):
+                    scriptlet = scriptlet_split[0] + "\nset -e\n" + "\n".join(scriptlet_split[1:])
+                else:
+                    scriptlet = "set -e\n" + "\n".join(scriptlet_split[0:])
+            d.setVar('%s:%s' % (scriptlet_name, pkg), scriptlet)
+
+    def write_if_exists(f, pkg, var):
+        def encode(str):
+            import codecs
+            c = codecs.getencoder("unicode_escape")
+            return c(str)[0].decode("latin1")
+
+        val = d.getVar('%s:%s' % (var, pkg))
+        if val:
+            f.write('%s:%s: %s\n' % (var, pkg, encode(val)))
+            return val
+        val = d.getVar('%s' % (var))
+        if val:
+            f.write('%s: %s\n' % (var, encode(val)))
+        return val
+
+    def write_extra_pkgs(variants, pn, packages, pkgdatadir):
+        for variant in variants:
+            with open("%s/%s-%s" % (pkgdatadir, variant, pn), 'w') as fd:
+                fd.write("PACKAGES: %s\n" % ' '.join(
+                            map(lambda pkg: '%s-%s' % (variant, pkg), packages.split())))
+
+    def write_extra_runtime_pkgs(variants, packages, pkgdatadir):
+        for variant in variants:
+            for pkg in packages.split():
+                ml_pkg = "%s-%s" % (variant, pkg)
+                subdata_file = "%s/runtime/%s" % (pkgdatadir, ml_pkg)
+                with open(subdata_file, 'w') as fd:
+                    fd.write("PKG:%s: %s" % (ml_pkg, pkg))
+
+    packages = d.getVar('PACKAGES')
+    pkgdest = d.getVar('PKGDEST')
+    pkgdatadir = d.getVar('PKGDESTWORK')
+
+    data_file = pkgdatadir + d.expand("/${PN}")
+    with open(data_file, 'w') as fd:
+        fd.write("PACKAGES: %s\n" % packages)
+
+    pkgdebugsource = d.getVar("PKGDEBUGSOURCES") or []
+
+    pn = d.getVar('PN')
+    global_variants = (d.getVar('MULTILIB_GLOBAL_VARIANTS') or "").split()
+    variants = (d.getVar('MULTILIB_VARIANTS') or "").split()
+
+    if bb.data.inherits_class('kernel', d) or bb.data.inherits_class('module-base', d):
+        write_extra_pkgs(variants, pn, packages, pkgdatadir)
+
+    if bb.data.inherits_class('allarch', d) and not variants \
+        and not bb.data.inherits_class('packagegroup', d):
+        write_extra_pkgs(global_variants, pn, packages, pkgdatadir)
+
+    workdir = d.getVar('WORKDIR')
+
+    for pkg in packages.split():
+        pkgval = d.getVar('PKG:%s' % pkg)
+        if pkgval is None:
+            pkgval = pkg
+            d.setVar('PKG:%s' % pkg, pkg)
+
+        extended_data = {
+            "files_info": {}
+        }
+
+        pkgdestpkg = os.path.join(pkgdest, pkg)
+        files = {}
+        files_extra = {}
+        total_size = 0
+        seen = set()
+        for f in pkgfiles[pkg]:
+            fpath = os.sep + os.path.relpath(f, pkgdestpkg)
+
+            fstat = os.lstat(f)
+            files[fpath] = fstat.st_size
+
+            extended_data["files_info"].setdefault(fpath, {})
+            extended_data["files_info"][fpath]['size'] = fstat.st_size
+
+            if fstat.st_ino not in seen:
+                seen.add(fstat.st_ino)
+                total_size += fstat.st_size
+
+            if fpath in pkgdebugsource:
+                extended_data["files_info"][fpath]['debugsrc'] = pkgdebugsource[fpath]
+                del pkgdebugsource[fpath]
+
+        d.setVar('FILES_INFO:' + pkg , json.dumps(files, sort_keys=True))
+
+        process_postinst_on_target(pkg, d.getVar("MLPREFIX"))
+        add_set_e_to_scriptlets(pkg)
+
+        subdata_file = pkgdatadir + "/runtime/%s" % pkg
+        with open(subdata_file, 'w') as sf:
+            for var in (d.getVar('PKGDATA_VARS') or "").split():
+                val = write_if_exists(sf, pkg, var)
+
+            write_if_exists(sf, pkg, 'FILERPROVIDESFLIST')
+            for dfile in sorted((d.getVar('FILERPROVIDESFLIST:' + pkg) or "").split()):
+                write_if_exists(sf, pkg, 'FILERPROVIDES:' + dfile)
+
+            write_if_exists(sf, pkg, 'FILERDEPENDSFLIST')
+            for dfile in sorted((d.getVar('FILERDEPENDSFLIST:' + pkg) or "").split()):
+                write_if_exists(sf, pkg, 'FILERDEPENDS:' + dfile)
+
+            sf.write('%s:%s: %d\n' % ('PKGSIZE', pkg, total_size))
+
+        subdata_extended_file = pkgdatadir + "/extended/%s.json.zstd" % pkg
+        num_threads = int(d.getVar("BB_NUMBER_THREADS"))
+        with bb.compress.zstd.open(subdata_extended_file, "wt", encoding="utf-8", num_threads=num_threads) as f:
+            json.dump(extended_data, f, sort_keys=True, separators=(",", ":"))
+
+        # Symlinks needed for rprovides lookup
+        rprov = d.getVar('RPROVIDES:%s' % pkg) or d.getVar('RPROVIDES')
+        if rprov:
+            for p in bb.utils.explode_deps(rprov):
+                subdata_sym = pkgdatadir + "/runtime-rprovides/%s/%s" % (p, pkg)
+                bb.utils.mkdirhier(os.path.dirname(subdata_sym))
+                oe.path.symlink("../../runtime/%s" % pkg, subdata_sym, True)
+
+        allow_empty = d.getVar('ALLOW_EMPTY:%s' % pkg)
+        if not allow_empty:
+            allow_empty = d.getVar('ALLOW_EMPTY')
+        root = "%s/%s" % (pkgdest, pkg)
+        os.chdir(root)
+        g = glob('*')
+        if g or allow_empty == "1":
+            # Symlinks needed for reverse lookups (from the final package name)
+            subdata_sym = pkgdatadir + "/runtime-reverse/%s" % pkgval
+            oe.path.symlink("../runtime/%s" % pkg, subdata_sym, True)
+
+            packagedfile = pkgdatadir + '/runtime/%s.packaged' % pkg
+            open(packagedfile, 'w').close()
+
+    if bb.data.inherits_class('kernel', d) or bb.data.inherits_class('module-base', d):
+        write_extra_runtime_pkgs(variants, packages, pkgdatadir)
+
+    if bb.data.inherits_class('allarch', d) and not variants \
+        and not bb.data.inherits_class('packagegroup', d):
+        write_extra_runtime_pkgs(global_variants, packages, pkgdatadir)
+
+def mapping_rename_hook(d):
+    """
+    Rewrite variables to account for package renaming in things
+    like debian.bbclass or manual PKG variable name changes
+    """
+    pkg = d.getVar("PKG")
+    oe.packagedata.runtime_mapping_rename("RDEPENDS", pkg, d)
+    oe.packagedata.runtime_mapping_rename("RRECOMMENDS", pkg, d)
+    oe.packagedata.runtime_mapping_rename("RSUGGESTS", pkg, d)