Merge "Remove DEXPREOPT_USE_ART_IMAGE; it is no longer needed."
diff --git a/OWNERS b/OWNERS
index 4cac0f5..6e7c0ea 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1 +1,3 @@
 include platform/build/soong:/OWNERS
+
+per-file finalize_branch_for_release.sh = smoreland@google.com
diff --git a/core/Makefile b/core/Makefile
index 2244453..72929bf 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -976,11 +976,14 @@
 
 INTERNAL_INIT_BOOT_IMAGE_ARGS :=
 
-ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
-  ifneq ($(BUILDING_INIT_BOOT_IMAGE),true)
-    INTERNAL_BOOTIMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
-  else
-    INTERNAL_INIT_BOOT_IMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
+# TODO(b/229701033): clean up BOARD_BUILD_GKI_BOOT_IMAGE_WITHOUT_RAMDISK.
+ifneq ($(BOARD_BUILD_GKI_BOOT_IMAGE_WITHOUT_RAMDISK),true)
+  ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
+    ifneq ($(BUILDING_INIT_BOOT_IMAGE),true)
+      INTERNAL_BOOTIMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
+    else
+      INTERNAL_INIT_BOOT_IMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
+    endif
   endif
 endif
 
@@ -1568,7 +1571,6 @@
 # TODO These intermediate NOTICE.txt/NOTICE.html files should go into
 # TARGET_OUT_NOTICE_FILES now that the notice files are gathered from
 # the src subdirectory.
-target_notice_file_txt := $(TARGET_OUT_INTERMEDIATES)/NOTICE.txt
 kernel_notice_file := $(TARGET_OUT_NOTICE_FILES)/src/kernel.txt
 winpthreads_notice_file := $(TARGET_OUT_NOTICE_FILES)/src/winpthreads.txt
 
@@ -2009,6 +2011,8 @@
     $(hide) echo "recovery_as_boot=true" >> $(1))
 $(if $(filter true,$(BOARD_BUILD_SYSTEM_ROOT_IMAGE)),\
     $(hide) echo "system_root_image=true" >> $(1))
+$(if $(filter true,$(BOARD_BUILD_GKI_BOOT_IMAGE_WITHOUT_RAMDISK)),\
+    $(hide) echo "gki_boot_image_without_ramdisk=true" >> $(1))
 $(hide) echo "root_dir=$(TARGET_ROOT_OUT)" >> $(1)
 $(if $(filter true,$(PRODUCT_USE_DYNAMIC_PARTITION_SIZE)),\
     $(hide) echo "use_dynamic_partition_size=true" >> $(1))
@@ -6822,7 +6826,6 @@
 include $(BUILD_SYSTEM)/sdk_font.mk
 
 deps := \
-	$(target_notice_file_txt) \
 	$(OUT_DOCS)/offline-sdk-timestamp \
 	$(SDK_METADATA_FILES) \
 	$(SYMBOLS_ZIP) \
@@ -6882,8 +6885,6 @@
 	        -v "DLL_EXTENSION=$(HOST_SHLIB_SUFFIX)" \
 	        -v "FONT_OUT=$(SDK_FONT_TEMP)" \
 	        -o $(PRIVATE_DIR) && \
-	    cp -f $(target_notice_file_txt) \
-	            $(PRIVATE_DIR)/system-images/android-$(PLATFORM_VERSION)/$(TARGET_CPU_ABI)/NOTICE.txt && \
 	    HOST_OUT_EXECUTABLES=$(HOST_OUT_EXECUTABLES) HOST_OS=$(HOST_OS) \
 	        development/build/tools/sdk_clean.sh $(PRIVATE_DIR) && \
 	    chmod -R ug+rwX $(PRIVATE_DIR) && \
diff --git a/core/OWNERS b/core/OWNERS
index 8794434..8d612e0 100644
--- a/core/OWNERS
+++ b/core/OWNERS
@@ -2,5 +2,5 @@
 per-file verify_uses_libraries.sh = ngeoffray@google.com,calin@google.com,skvadrik@google.com
 
 # For version updates
-per-file version_defaults.mk = aseaton@google.com,elisapascual@google.com,lubomir@google.com,pscovanner@google.com
+per-file version_defaults.mk = aseaton@google.com,lubomir@google.com,pscovanner@google.com,bkhalife@google.com,jainne@google.com
 
diff --git a/core/base_rules.mk b/core/base_rules.mk
index e6b8f20..7ea9b52 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -590,10 +590,18 @@
       my_init_rc := $(foreach rc,$(LOCAL_INIT_RC_$(my_32_64_bit_suffix)) $(LOCAL_INIT_RC),$(LOCAL_PATH)/$(rc))
     endif
     ifneq ($(strip $(my_init_rc)),)
-      # Make doesn't support recovery as an output partition, but some Soong modules installed in recovery
-      # have init.rc files that need to be installed alongside them. Manually handle the case where the
-      # output file is in the recovery partition.
-      my_init_rc_path := $(if $(filter $(TARGET_RECOVERY_ROOT_OUT)/%,$(my_module_path)),$(TARGET_RECOVERY_ROOT_OUT)/system/etc,$(TARGET_OUT$(partition_tag)_ETC))
+      # Make doesn't support recovery or ramdisk as an output partition,
+      # but some Soong modules installed in recovery or ramdisk
+      # have init.rc files that need to be installed alongside them.
+      # Manually handle the case where the
+      # output file is in the recovery or ramdisk partition.
+      ifneq (,$(filter $(TARGET_RECOVERY_ROOT_OUT)/%,$(my_module_path)))
+        my_init_rc_path := $(TARGET_RECOVERY_ROOT_OUT)/system/etc
+      else ifneq (,$(filter $(TARGET_RAMDISK_OUT)/%,$(my_module_path)))
+        my_init_rc_path := $(TARGET_RAMDISK_OUT)/system/etc
+      else
+        my_init_rc_path := $(TARGET_OUT$(partition_tag)_ETC)
+      endif
       my_init_rc_pairs := $(foreach rc,$(my_init_rc),$(rc):$(my_init_rc_path)/init/$(notdir $(rc)))
       my_init_rc_installed := $(foreach rc,$(my_init_rc_pairs),$(call word-colon,2,$(rc)))
 
@@ -713,6 +721,7 @@
 endif
 ifdef LOCAL_MULTILIB
   multi_arch := true
+# These conditionals allow this functionality to be mimicked in Soong
 else ifeq ($(LOCAL_MODULE_MAKEFILE),$(SOONG_ANDROID_MK))
   ifeq ($(LOCAL_MODULE_CLASS),SHARED_LIBRARIES)
     multi_arch := true
diff --git a/core/config.mk b/core/config.mk
index 7af600f..e9dedfd 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -427,21 +427,6 @@
 $(hide) $(HOST_NM) -gP $(1) | cut -f1-2 -d" " | (grep -v U$$ >> $(2) || true)
 endef
 
-GOMA_POOL :=
-RBE_POOL :=
-GOMA_OR_RBE_POOL :=
-# When goma or RBE are enabled, kati will be passed --default_pool=local_pool to put
-# most rules into the local pool.  Explicitly set the pool to "none" for rules that
-# should be run outside the local pool, i.e. with -j500.
-ifneq (,$(filter-out false,$(USE_GOMA)))
-  GOMA_POOL := none
-  GOMA_OR_RBE_POOL := none
-else ifneq (,$(filter-out false,$(USE_RBE)))
-  RBE_POOL := none
-  GOMA_OR_RBE_POOL := none
-endif
-.KATI_READONLY := GOMA_POOL RBE_POOL GOMA_OR_RBE_POOL
-
 ifeq ($(CALLED_FROM_SETUP),true)
 include $(BUILD_SYSTEM)/ccache.mk
 include $(BUILD_SYSTEM)/goma.mk
@@ -1233,6 +1218,39 @@
     $(filter $(ANDROID_WARNING_ALLOWED_PROJECTS),$(1)/)
 endef
 
+GOMA_POOL :=
+RBE_POOL :=
+GOMA_OR_RBE_POOL :=
+# When goma or RBE are enabled, kati will be passed --default_pool=local_pool to put
+# most rules into the local pool.  Explicitly set the pool to "none" for rules that
+# should be run outside the local pool, i.e. with -j500.
+ifneq (,$(filter-out false,$(USE_GOMA)))
+  GOMA_POOL := none
+  GOMA_OR_RBE_POOL := none
+else ifneq (,$(filter-out false,$(USE_RBE)))
+  RBE_POOL := none
+  GOMA_OR_RBE_POOL := none
+endif
+.KATI_READONLY := GOMA_POOL RBE_POOL GOMA_OR_RBE_POOL
+
+JAVAC_NINJA_POOL :=
+R8_NINJA_POOL :=
+D8_NINJA_POOL :=
+
+ifneq ($(filter-out false,$(USE_RBE)),)
+  ifdef RBE_JAVAC
+    JAVAC_NINJA_POOL := $(RBE_POOL)
+  endif
+  ifdef RBE_R8
+    R8_NINJA_POOL := $(RBE_POOL)
+  endif
+  ifdef RBE_D8
+    D8_NINJA_POOL := $(RBE_POOL)
+  endif
+endif
+
+.KATI_READONLY := JAVAC_NINJA_POOL R8_NINJA_POOL D8_NINJA_POOL
+
 # These goals don't need to collect and include Android.mks/CleanSpec.mks
 # in the source tree.
 dont_bother_goals := out product-graph
diff --git a/core/definitions.mk b/core/definitions.mk
index 0d72473..a3f12e7 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2609,7 +2609,7 @@
 @mkdir -p $(dir $@)tmp
 $(hide) rm -f $(dir $@)classes*.dex $(dir $@)d8_input.jar
 $(hide) $(ZIP2ZIP) -j -i $< -o $(dir $@)d8_input.jar "**/*.class"
-$(hide) $(D8_WRAPPER) $(DX_COMMAND) $(DEX_FLAGS) \
+$(hide) $(D8_WRAPPER) $(DX_COMMAND) $(D8_FLAGS) \
     --output $(dir $@)tmp \
     $(addprefix --lib ,$(PRIVATE_D8_LIBS)) \
     --min-api $(PRIVATE_MIN_SDK_VERSION) \
@@ -3213,7 +3213,7 @@
 define transform-jar-to-dex-r8
 @echo R8: $@
 $(hide) rm -f $(PRIVATE_PROGUARD_DICTIONARY)
-$(hide) $(R8_WRAPPER) $(R8_COMPAT_PROGUARD) $(DEX_FLAGS) \
+$(hide) $(R8_WRAPPER) $(R8_COMPAT_PROGUARD) $(R8_FLAGS) \
     -injars '$<' \
     --min-api $(PRIVATE_MIN_SDK_VERSION) \
     --no-data-resources \
diff --git a/core/product_config.rbc b/core/product_config.rbc
index 928cc55..7ee3dc7 100644
--- a/core/product_config.rbc
+++ b/core/product_config.rbc
@@ -104,6 +104,11 @@
     seen = {item: 0 for item in value_list}
     return sorted(seen.keys()) if _options.rearrange == "sort" else seen.keys()
 
+def __sort_pcm_names(pcm_names):
+    # We have to add an extension back onto the pcm names when sorting,
+    # or else the sort order could be wrong when one is a prefix of another.
+    return [x[:-3] for x in sorted([y + ".mk" for y in pcm_names], reverse=True)]
+
 def _product_configuration(top_pcm_name, top_pcm, input_variables_init):
     """Creates configuration."""
 
@@ -142,7 +147,7 @@
 
         # Run this one, obtaining its configuration and child PCMs.
         if _options.trace_modules:
-            print("#%d: %s" % (n, name))
+            rblf_log("%d: %s" % (n, name))
 
         # Run PCM.
         handle = __h_new()
@@ -162,12 +167,12 @@
         # Now we know everything about this PCM, record it in 'configs'.
         children = handle.inherited_modules
         if _options.trace_modules:
-            print("#   ", "    ".join(children.keys()))
+            rblf_log("   ", "    ".join(children.keys()))
         # Starlark dictionaries are guaranteed to iterate through in insertion order,
         # so children.keys() will be ordered by the inherit() calls
         configs[name] = (pcm, handle.cfg, children.keys(), False)
 
-        for child_name in sorted(children, reverse = True):
+        for child_name in __sort_pcm_names(children.keys()):
             if child_name not in configs:
                 configs[child_name] = (children[child_name], None, [], False)
             pcm_stack.append(child_name)
@@ -202,7 +207,7 @@
         pcm_name, before = pcm_stack.pop()
         if before:
             pcm_stack.append((pcm_name, False))
-            for child in sorted(configs[pcm_name][2], reverse = True):
+            for child in __sort_pcm_names(configs[pcm_name][2]):
                 pcm_stack.append((child, True))
         else:
             configs_postfix.append(pcm_name)
@@ -229,9 +234,9 @@
     configs = cloned_configs
 
     if trace:
-        print("\n#---Postfix---")
+        rblf_log("\n---Postfix---")
         for x in configs_postfix:
-            print("#   ", x)
+            rblf_log("   ", x)
 
     # Traverse the tree from the bottom, evaluating inherited values
     for pcm_name in configs_postfix:
@@ -304,7 +309,7 @@
             old_val = val
             new_val = _value_expand(configs, attr, val)
             if new_val != old_val:
-                print("%s(i): %s=%s (was %s)" % (pcm_name, attr, new_val, old_val))
+                rblf_log("%s(i): %s=%s (was %s)" % (pcm_name, attr, new_val, old_val))
             cfg[attr] = new_val
 
 def _value_expand(configs, attr, values_list):
@@ -358,7 +363,7 @@
 
     for attr in _options.trace_variables:
         if attr in percolated_attrs:
-            print("%s: %s^=%s" % (cfg_name, attr, cfg[attr]))
+            rblf_log("%s: %s^=%s" % (cfg_name, attr, cfg[attr]))
 
 def __move_items(to_list, from_cfg, attr):
     value = from_cfg.get(attr, [])
@@ -400,12 +405,26 @@
     """Gets to the value of the variable in the namespace."""
     return g.get(_soong_config_namespaces_key, {}).get(nsname, {}).get(var, None)
 
-
-def _abspath(path):
+def _abspath(paths):
     """Provided for compatibility, to be removed later."""
-    if type(path) == "list":
-        path = " ".join(path)
-    return rblf_shell("realpath "+path)
+    cwd = rblf_shell('pwd')
+    results = []
+    for path in __words(paths):
+        if path[0] != "/":
+            path = cwd + "/" + path
+
+        resultparts = []
+        for part in path.split('/'):
+            if part == "." or part == "":
+                continue
+            elif part == "..":
+                if resultparts:
+                    resultparts.pop()
+            else:
+                resultparts.append(part)
+        results.append("/" + "/".join(resultparts))
+
+    return " ".join(results)
 
 
 def _addprefix(prefix, string_or_list):
@@ -748,8 +767,11 @@
     That is, removes string's leading and trailing whitespace characters and
     replaces any sequence of whitespace characters with with a single space.
     """
-    if type(s) != "string":
-        return s
+    t = type(s)
+    if t == "list":
+        s = " ".join(s)
+    elif t != "string":
+        fail("Argument to mkstrip must be a string or list.")
     result = ""
     was_space = False
     for ch in s.strip().elems():
diff --git a/core/rbe.mk b/core/rbe.mk
index e399ec1..370d4bd 100644
--- a/core/rbe.mk
+++ b/core/rbe.mk
@@ -14,10 +14,6 @@
 # limitations under the License.
 #
 
-JAVAC_NINJA_POOL :=
-R8_NINJA_POOL :=
-D8_NINJA_POOL :=
-
 # Notice: this works only with Google's RBE service.
 ifneq ($(filter-out false,$(USE_RBE)),)
   ifdef RBE_DIR
@@ -88,20 +84,16 @@
 
   ifdef RBE_JAVAC
     JAVAC_WRAPPER := $(strip $(JAVAC_WRAPPER) $(RBE_WRAPPER) --labels=type=compile,lang=java,compiler=javac --exec_strategy=$(javac_exec_strategy) --platform=$(java_r8_d8_platform))
-    JAVAC_NINJA_POOL := $(RBE_POOL)
   endif
 
   ifdef RBE_R8
     R8_WRAPPER := $(strip $(RBE_WRAPPER) --labels=type=compile,compiler=r8 --exec_strategy=$(r8_exec_strategy) --platform=$(java_r8_d8_platform) --inputs=out/soong/host/linux-x86/framework/r8-compat-proguard.jar,build/make/core/proguard_basic_keeps.flags --toolchain_inputs=prebuilts/jdk/jdk11/linux-x86/bin/java)
-    R8_NINJA_POOL := $(RBE_POOL)
   endif
 
   ifdef RBE_D8
     D8_WRAPPER := $(strip $(RBE_WRAPPER) --labels=type=compile,compiler=d8 --exec_strategy=$(d8_exec_strategy) --platform=$(java_r8_d8_platform) --inputs=out/soong/host/linux-x86/framework/d8.jar --toolchain_inputs=prebuilts/jdk/jdk11/linux-x86/bin/java)
-    D8_NINJA_POOL := $(RBE_POOL)
   endif
 
   rbe_dir :=
 endif
 
-.KATI_READONLY := JAVAC_NINJA_POOL R8_NINJA_POOL D8_NINJA_POOL
diff --git a/core/soong_cc_rust_prebuilt.mk b/core/soong_cc_rust_prebuilt.mk
index 7a177ff..07e577a 100644
--- a/core/soong_cc_rust_prebuilt.mk
+++ b/core/soong_cc_rust_prebuilt.mk
@@ -260,6 +260,9 @@
 installed_static_library_notice_file_targets += \
     $(foreach lib,$(LOCAL_RLIB_LIBRARIES), \
       NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-RLIB_LIBRARIES-$(lib))
+installed_static_library_notice_file_targets += \
+    $(foreach lib,$(LOCAL_PROC_MACRO_LIBRARIES), \
+      NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-PROC_MACRO_LIBRARIES-$(lib))
 
 $(notice_target): | $(installed_static_library_notice_file_targets)
 $(LOCAL_INSTALLED_MODULE): | $(notice_target)
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 32675f2..d03b687 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -33,6 +33,7 @@
 $(call add_json_str,  Platform_security_patch,           $(PLATFORM_SECURITY_PATCH))
 $(call add_json_str,  Platform_preview_sdk_version,      $(PLATFORM_PREVIEW_SDK_VERSION))
 $(call add_json_str,  Platform_base_os,                  $(PLATFORM_BASE_OS))
+$(call add_json_str,  Platform_version_last_stable,      $(PLATFORM_VERSION_LAST_STABLE))
 
 $(call add_json_str,  Platform_min_supported_target_sdk_version, $(PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION))
 
diff --git a/core/tasks/tools/compatibility.mk b/core/tasks/tools/compatibility.mk
index add580d..4b8bd16 100644
--- a/core/tasks/tools/compatibility.mk
+++ b/core/tasks/tools/compatibility.mk
@@ -132,6 +132,9 @@
 $(call declare-0p-target,$(test_suite_notice_html))
 $(call declare-0p-target,$(test_suite_notice_txt))
 
+$(call declare-1p-copy-files,$(test_suite_dynamic_config),)
+$(call declare-1p-copy-files,$(test_suite_prebuilt_tools),)
+
 # Reset all input variables
 test_suite_name :=
 test_suite_tradefed :=
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c8b381d..d129aa4 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -40,10 +40,10 @@
   include $(INTERNAL_BUILD_ID_MAKEFILE)
 endif
 
-DEFAULT_PLATFORM_VERSION := TP1A
+DEFAULT_PLATFORM_VERSION := UP1A
 .KATI_READONLY := DEFAULT_PLATFORM_VERSION
 MIN_PLATFORM_VERSION := TP1A
-MAX_PLATFORM_VERSION := TP1A
+MAX_PLATFORM_VERSION := UP1A
 
 # The last stable version name of the platform that was released.  During
 # development, this stays at that previous version, while the codename indicates
@@ -54,6 +54,7 @@
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".
 PLATFORM_VERSION_CODENAME.TP1A := Tiramisu
+PLATFORM_VERSION_CODENAME.UP1A := UpsideDownCake
 
 # This is the user-visible version.  In a final release build it should
 # be empty to use PLATFORM_VERSION as the user-visible version.  For
@@ -85,8 +86,13 @@
 PLATFORM_BASE_SDK_EXTENSION_VERSION := 1
 .KATI_READONLY := PLATFORM_BASE_SDK_EXTENSION_VERSION
 
-# This is are all known codenames starting from Q.
-PLATFORM_VERSION_KNOWN_CODENAMES := Q R S Sv2 Tiramisu
+# This are all known codenames.
+PLATFORM_VERSION_KNOWN_CODENAMES := \
+Base Base11 Cupcake Donut Eclair Eclair01 EclairMr1 Froyo Gingerbread GingerbreadMr1 \
+Honeycomb HoneycombMr1 HoneycombMr2 IceCreamSandwich IceCreamSandwichMr1 \
+JellyBean JellyBeanMr1 JellyBeanMr2 Kitkat KitkatWatch Lollipop LollipopMr1 M N NMr1 O OMr1 P \
+Q R S Sv2 Tiramisu UpsideDownCake
+
 # Convert from space separated list to comma separated
 PLATFORM_VERSION_KNOWN_CODENAMES := \
   $(call normalize-comma-list,$(PLATFORM_VERSION_KNOWN_CODENAMES))
diff --git a/finalize_branch_for_release.sh b/finalize_branch_for_release.sh
new file mode 100755
index 0000000..972ada1
--- /dev/null
+++ b/finalize_branch_for_release.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+
+source "$(dirname "$0")"/envsetup.sh
+
+# default target to modify tree and build SDK
+lunch aosp_arm64-userdebug
+
+set -x
+
+# This script is WIP and only finalizes part of the Android branch for release.
+# The full process can be found at (INTERNAL) go/android-sdk-finalization.
+
+# VNDK snapshot (TODO)
+# SDK snapshots (TODO)
+# Update references in the codebase to new API version (TODO)
+# ...
+
+AIDL_TRANSITIVE_FREEZE=true m aidl-freeze-api
+
+m check-vndk-list || update-vndk-list.sh # for new versions of AIDL interfaces
+
+# TODO(b/229413853): test while simulating 'rel' for more requirements AIDL_FROZEN_REL=true
+m # test build
+
+# Build SDK (TODO)
+# lunch sdk...
+# m ...
diff --git a/target/board/BoardConfigGsiCommon.mk b/target/board/BoardConfigGsiCommon.mk
index 45cd515..53714a8 100644
--- a/target/board/BoardConfigGsiCommon.mk
+++ b/target/board/BoardConfigGsiCommon.mk
@@ -38,6 +38,12 @@
 #   updating the last seen rollback index in the tamper-evident storage.
 BOARD_AVB_ROLLBACK_INDEX := 0
 
+# The chained vbmeta settings for boot images.
+BOARD_AVB_BOOT_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
+BOARD_AVB_BOOT_ALGORITHM := SHA256_RSA4096
+BOARD_AVB_BOOT_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
+BOARD_AVB_BOOT_ROLLBACK_INDEX_LOCATION := 2
+
 # Enable AVB chained partition for system.
 # https://android.googlesource.com/platform/external/avb/+/master/README.md
 BOARD_AVB_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
diff --git a/target/board/linux_bionic/BoardConfig.mk b/target/board/linux_bionic/BoardConfig.mk
new file mode 100644
index 0000000..7938bdb
--- /dev/null
+++ b/target/board/linux_bionic/BoardConfig.mk
@@ -0,0 +1,24 @@
+# Copyright (C) 2020 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This "device" is only intended to be used for host Bionic build targets, so
+# (device) target architectures are irrelevant. However, the build system isn't
+# prepared to handle no target architectures at all, so pick something
+# arbitrarily.
+TARGET_ARCH_SUITE := ndk
+
+HOST_CROSS_OS := linux_bionic
+HOST_CROSS_ARCH := x86_64
+HOST_CROSS_2ND_ARCH :=
diff --git a/target/board/linux_bionic/README.md b/target/board/linux_bionic/README.md
new file mode 100644
index 0000000..8db77f2
--- /dev/null
+++ b/target/board/linux_bionic/README.md
@@ -0,0 +1,6 @@
+This "device" is suitable for Soong-only builds to create Bionic binaries for
+Linux hosts:
+
+```
+build/soong/soong_ui.bash --make-mode --soong-only TARGET_PRODUCT=linux_bionic ...
+```
diff --git a/target/product/AndroidProducts.mk b/target/product/AndroidProducts.mk
index ee702e5..67b0b17 100644
--- a/target/product/AndroidProducts.mk
+++ b/target/product/AndroidProducts.mk
@@ -74,6 +74,7 @@
 endif
 
 PRODUCT_MAKEFILES += \
+    $(LOCAL_DIR)/linux_bionic.mk \
     $(LOCAL_DIR)/mainline_sdk.mk \
     $(LOCAL_DIR)/module_arm.mk \
     $(LOCAL_DIR)/module_arm64.mk \
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index f9c1f3d..fd86d87 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -101,6 +101,7 @@
 VNDK-core: android.hardware.security.sharedsecret-V1-ndk.so
 VNDK-core: android.hardware.soundtrigger@2.0-core.so
 VNDK-core: android.hardware.soundtrigger@2.0.so
+VNDK-core: android.hardware.usb-V1-ndk.so
 VNDK-core: android.hardware.vibrator-V2-ndk.so
 VNDK-core: android.hardware.weaver-V1-ndk.so
 VNDK-core: android.hardware.wifi.hostapd-V1-ndk.so
diff --git a/target/product/linux_bionic.mk b/target/product/linux_bionic.mk
new file mode 100644
index 0000000..da6b890
--- /dev/null
+++ b/target/product/linux_bionic.mk
@@ -0,0 +1,18 @@
+# Copyright (C) 2022 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+PRODUCT_NAME := linux_bionic
+PRODUCT_BRAND := Android
+PRODUCT_DEVICE := linux_bionic
diff --git a/tests/prefixed_sort_order/base-secondary.rbc b/tests/prefixed_sort_order/base-secondary.rbc
new file mode 100644
index 0000000..5446e8f
--- /dev/null
+++ b/tests/prefixed_sort_order/base-secondary.rbc
@@ -0,0 +1,21 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+
+  g.setdefault("MY_VAR", [])
+  g["MY_VAR"] += ["foo"]
diff --git a/tests/prefixed_sort_order/base.rbc b/tests/prefixed_sort_order/base.rbc
new file mode 100644
index 0000000..05b0d5d
--- /dev/null
+++ b/tests/prefixed_sort_order/base.rbc
@@ -0,0 +1,21 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+
+  g.setdefault("MY_VAR", [])
+  g["MY_VAR"] += ["bar"]
diff --git a/tests/prefixed_sort_order/product.rbc b/tests/prefixed_sort_order/product.rbc
new file mode 100644
index 0000000..619b2c0
--- /dev/null
+++ b/tests/prefixed_sort_order/product.rbc
@@ -0,0 +1,29 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("//build/make/core:product_config.rbc", "rblf")
+load(":base.rbc", _base_init = "init")
+load(":base-secondary.rbc", _base_secondary_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+
+  # It's important that base-secondary uses a dash, an underscore won't expose the sort order issue:
+  # >>> sorted(["base", "base-secondary"])
+  # ['base', 'base-secondary']
+  # >>> sorted(["base.mk", "base-secondary.mk"])
+  # ['base-secondary.mk', 'base.mk']
+
+  rblf.inherit(handle, "base", _base_init)
+  rblf.inherit(handle, "base-secondary", _base_secondary_init)
diff --git a/tests/prefixed_sort_order/test.rbc b/tests/prefixed_sort_order/test.rbc
new file mode 100644
index 0000000..e59a509
--- /dev/null
+++ b/tests/prefixed_sort_order/test.rbc
@@ -0,0 +1,26 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("//build/make/core:product_config.rbc", "rblf")
+load("//build/make/tests/input_variables.rbc", input_variables_init = "init")
+load(":product.rbc", "init")
+
+
+def assert_eq(expected, actual):
+    if expected != actual:
+        fail("Expected '%s', got '%s'" % (expected, actual))
+
+def test():
+    (globals, globals_base) = rblf.product_configuration("test/device", init, input_variables_init)
+    assert_eq(["foo", "bar"], globals["MY_VAR"])
diff --git a/tests/run.rbc b/tests/run.rbc
index 56ba394..2d35e85 100644
--- a/tests/run.rbc
+++ b/tests/run.rbc
@@ -27,6 +27,7 @@
 load(":board_input_vars.rbc", board_input_vars_init = "init")
 load("//build/make/tests/single_value_inheritance:test.rbc", test_single_value_inheritance = "test")
 load("//build/make/tests/artifact_path_requirements:test.rbc", test_artifact_path_requirements = "test")
+load("//build/make/tests/prefixed_sort_order:test.rbc", test_prefixed_sort_order = "test")
 
 def assert_eq(expected, actual):
     if expected != actual:
@@ -72,6 +73,14 @@
 assert_eq("", rblf.notdir("/"))
 assert_eq("", rblf.notdir(""))
 
+cwd = rblf_shell('pwd')
+assert_eq(cwd+"/foo/bar", rblf.abspath("foo/bar"))
+assert_eq(cwd+"/bar", rblf.abspath("foo/.././bar"))
+assert_eq(cwd+"/bar", rblf.abspath("foo/..////bar//"))
+assert_eq("/foo/baz", rblf.abspath("/foo/bar/../baz"))
+assert_eq(cwd+"/foo/bar "+cwd+"/foo/baz", rblf.abspath("foo/bar foo/baz"))
+assert_eq("/baz", rblf.abspath("/../../../../../../../../../../../../../../../../baz"))
+
 assert_eq(
     ["build/make/tests/board.rbc", "build/make/tests/board_input_vars.rbc"],
     rblf.expand_wildcard("build/make/tests/board*.rbc")
@@ -142,3 +151,4 @@
 
 test_single_value_inheritance()
 test_artifact_path_requirements()
+test_prefixed_sort_order()
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index e3db161..09f69d0 100644
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -871,7 +871,7 @@
 
   if has_vendor_kernel_boot:
     banner("vendor_kernel_boot")
-    vendor_kernel_boot_image = common.GetVendorBootImage(
+    vendor_kernel_boot_image = common.GetVendorKernelBootImage(
         "IMAGES/vendor_kernel_boot.img", "vendor_kernel_boot.img", OPTIONS.input_tmp,
         "VENDOR_KERNEL_BOOT")
     if vendor_kernel_boot_image:
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 9049622..7fdf4ba 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -814,16 +814,18 @@
 
 
 def main(argv):
-  if len(argv) != 4:
+  args = common.ParseOptions(argv, __doc__)
+
+  if len(args) != 4:
     print(__doc__)
     sys.exit(1)
 
   common.InitLogging()
 
-  in_dir = argv[0]
-  glob_dict_file = argv[1]
-  out_file = argv[2]
-  target_out = argv[3]
+  in_dir = args[0]
+  glob_dict_file = args[1]
+  out_file = args[2]
+  target_out = args[3]
 
   glob_dict = LoadGlobalDict(glob_dict_file)
   if "mount_point" in glob_dict:
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index bd3af68..5f74e2b 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -114,7 +114,7 @@
 # AVB_FOOTER_ARGS_BY_PARTITION in sign_target_files_apks need to be updated
 # accordingly.
 AVB_PARTITIONS = ('boot', 'init_boot', 'dtbo', 'odm', 'product', 'pvmfw', 'recovery',
-                  'system', 'system_ext', 'vendor', 'vendor_boot',
+                  'system', 'system_ext', 'vendor', 'vendor_boot', 'vendor_kernel_boot',
                   'vendor_dlkm', 'odm_dlkm', 'system_dlkm')
 
 # Chained VBMeta partitions.
@@ -1782,6 +1782,9 @@
   if info_dict.get("recovery_as_boot") == "true":
     return True  # the recovery-as-boot boot.img has a RECOVERY ramdisk.
 
+  if info_dict.get("gki_boot_image_without_ramdisk") == "true":
+    return False  # A GKI boot.img has no ramdisk since Android-13.
+
   if info_dict.get("system_root_image") == "true":
     # The ramdisk content is merged into the system.img, so there is NO
     # ramdisk in the boot.img or boot-<kernel version>.img.
@@ -1838,7 +1841,7 @@
   return None
 
 
-def _BuildVendorBootImage(sourcedir, info_dict=None):
+def _BuildVendorBootImage(sourcedir, partition_name, info_dict=None):
   """Build a vendor boot image from the specified sourcedir.
 
   Take a ramdisk, dtb, and vendor_cmdline from the input (in 'sourcedir'), and
@@ -1863,8 +1866,13 @@
 
   fn = os.path.join(sourcedir, "dtb")
   if os.access(fn, os.F_OK):
-    cmd.append("--dtb")
-    cmd.append(fn)
+    has_vendor_kernel_boot = (info_dict.get("vendor_kernel_boot", "").lower() == "true")
+
+    # Pack dtb into vendor_kernel_boot if building vendor_kernel_boot.
+    # Otherwise pack dtb into vendor_boot.
+    if not has_vendor_kernel_boot or partition_name == "vendor_kernel_boot":
+      cmd.append("--dtb")
+      cmd.append(fn)
 
   fn = os.path.join(sourcedir, "vendor_cmdline")
   if os.access(fn, os.F_OK):
@@ -1924,11 +1932,11 @@
   # AVB: if enabled, calculate and add hash.
   if info_dict.get("avb_enable") == "true":
     avbtool = info_dict["avb_avbtool"]
-    part_size = info_dict["vendor_boot_size"]
+    part_size = info_dict[f'{partition_name}_size']
     cmd = [avbtool, "add_hash_footer", "--image", img.name,
-           "--partition_size", str(part_size), "--partition_name", "vendor_boot"]
-    AppendAVBSigningArgs(cmd, "vendor_boot")
-    args = info_dict.get("avb_vendor_boot_add_hash_footer_args")
+           "--partition_size", str(part_size), "--partition_name", partition_name]
+    AppendAVBSigningArgs(cmd, partition_name)
+    args = info_dict.get(f'avb_{partition_name}_add_hash_footer_args')
     if args and args.strip():
       cmd.extend(shlex.split(args))
     RunAndCheckOutput(cmd)
@@ -1962,7 +1970,31 @@
     info_dict = OPTIONS.info_dict
 
   data = _BuildVendorBootImage(
-      os.path.join(unpack_dir, tree_subdir), info_dict)
+      os.path.join(unpack_dir, tree_subdir), "vendor_boot", info_dict)
+  if data:
+    return File(name, data)
+  return None
+
+
+def GetVendorKernelBootImage(name, prebuilt_name, unpack_dir, tree_subdir,
+                       info_dict=None):
+  """Return a File object with the desired vendor kernel boot image.
+
+  Look for it under 'unpack_dir'/IMAGES, otherwise construct it from
+  the source files in 'unpack_dir'/'tree_subdir'."""
+
+  prebuilt_path = os.path.join(unpack_dir, "IMAGES", prebuilt_name)
+  if os.path.exists(prebuilt_path):
+    logger.info("using prebuilt %s from IMAGES...", prebuilt_name)
+    return File.FromLocalFile(name, prebuilt_path)
+
+  logger.info("building image from target_files %s...", tree_subdir)
+
+  if info_dict is None:
+    info_dict = OPTIONS.info_dict
+
+  data = _BuildVendorBootImage(
+      os.path.join(unpack_dir, tree_subdir), "vendor_kernel_boot", info_dict)
   if data:
     return File(name, data)
   return None
diff --git a/tools/releasetools/merge/merge_target_files.py b/tools/releasetools/merge/merge_target_files.py
index c06fd4c..c95cead 100755
--- a/tools/releasetools/merge/merge_target_files.py
+++ b/tools/releasetools/merge/merge_target_files.py
@@ -149,6 +149,13 @@
 OPTIONS.vendor_dexpreopt_config = None
 
 
+def move_only_exists(source, destination):
+  """Judge whether the file exists and then move the file."""
+
+  if os.path.exists(source):
+    shutil.move(source, destination)
+
+
 def create_merged_package(temp_dir):
   """Merges two target files packages into one target files structure.
 
@@ -286,9 +293,8 @@
   shutil.move(
       os.path.join(vendor_target_files_dir, 'IMAGES', partition_img),
       os.path.join(target_files_dir, 'IMAGES', partition_img))
-  shutil.move(
-      os.path.join(vendor_target_files_dir, 'IMAGES', partition_map),
-      os.path.join(target_files_dir, 'IMAGES', partition_map))
+  move_only_exists(os.path.join(vendor_target_files_dir, 'IMAGES', partition_map),
+        os.path.join(target_files_dir, 'IMAGES', partition_map))
 
   def copy_recovery_file(filename):
     for subdir in ('VENDOR', 'SYSTEM/vendor'):
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index c803340..f363afd 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -226,6 +226,7 @@
     'pvmfw': 'avb_pvmfw_add_hash_footer_args',
     'vendor': 'avb_vendor_add_hashtree_footer_args',
     'vendor_boot': 'avb_vendor_boot_add_hash_footer_args',
+    'vendor_kernel_boot': 'avb_vendor_kernel_boot_add_hash_footer_args',
     'vendor_dlkm': "avb_vendor_dlkm_add_hashtree_footer_args",
     'vbmeta': 'avb_vbmeta_args',
     'vbmeta_system': 'avb_vbmeta_system_args',
@@ -1354,12 +1355,13 @@
     vendor_misc_info["no_boot"] = "true"  # boot
     vendor_misc_info["vendor_boot"] = "false"  # vendor_boot
     vendor_misc_info["no_recovery"] = "true"  # recovery
+    vendor_misc_info["avb_enable"] = "false"  # vbmeta
 
   vendor_misc_info["board_bpt_enable"] = "false"  # partition-table
   vendor_misc_info["has_dtbo"] = "false"  # dtbo
   vendor_misc_info["has_pvmfw"] = "false"  # pvmfw
   vendor_misc_info["avb_custom_images_partition_list"] = ""  # custom images
-  vendor_misc_info["avb_enable"] = "false"  # vbmeta
+  vendor_misc_info["avb_building_vbmeta_image"] = "false" # skip building vbmeta
   vendor_misc_info["use_dynamic_partitions"] = "false"  # super_empty
   vendor_misc_info["build_super_partition"] = "false"  # super split
   with open(vendor_misc_info_path, "w") as output:
@@ -1414,8 +1416,12 @@
       map_file_path = "IMAGES/{}.map".format(p)
       common.ZipWrite(output_zip, os.path.join(vendor_tempdir, img_file_path), img_file_path)
       common.ZipWrite(output_zip, os.path.join(vendor_tempdir, map_file_path), map_file_path)
-    # copy recovery patch & install.sh
+    # copy recovery.img, boot.img, recovery patch & install.sh
     if OPTIONS.rebuild_recovery:
+      recovery_img = "IMAGES/recovery.img"
+      boot_img = "IMAGES/boot.img"
+      common.ZipWrite(output_zip, os.path.join(vendor_tempdir, recovery_img), recovery_img)
+      common.ZipWrite(output_zip, os.path.join(vendor_tempdir, boot_img), boot_img)
       recovery_patch_path = "VENDOR/recovery-from-boot.p"
       recovery_sh_path = "VENDOR/bin/install-recovery.sh"
       common.ZipWrite(output_zip, os.path.join(vendor_tempdir, recovery_patch_path), recovery_patch_path)