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Commit 7cb240d7 authored by Tom Cherry's avatar Tom Cherry Committed by android-build-merger
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Merge "init: clean up the 1st/2nd stage init split" am: 3ecaf2e7 

am: 8f1c2fc8

Change-Id: I9b862f104d5caa4708ac57c4a2336920213b20fa
parents 782068bc 8f1c2fc8

init/Android.bp

+3 −0
Original line number Diff line number Diff line
@@ -79,6 +79,7 @@ cc_defaults { 
        "libkeyutils",

        "liblog",

        "liblogwrap",

        "liblp",

        "libselinux",

        "libutils",

    ],
@@ -99,6 +100,7 @@ cc_library_static { 
        "devices.cpp",

        "epoll.cpp",

        "firmware_handler.cpp",

        "first_stage_init.cpp",

        "first_stage_mount.cpp",

        "import_parser.cpp",

        "init.cpp",
@@ -117,6 +119,7 @@ cc_library_static { 
        "sigchld_handler.cpp",

        "subcontext.cpp",

        "subcontext.proto",

        "switch_root.cpp",

        "rlimit_parser.cpp",

        "tokenizer.cpp",

        "uevent_listener.cpp",

init/Android.mk

+7 −9
Original line number Diff line number Diff line
@@ -39,12 +39,15 @@ init_cflags += \ 


# --



# Do not build this even with mmma if we're system-as-root, otherwise it will overwrite the symlink.

ifneq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)

include $(CLEAR_VARS)

LOCAL_CPPFLAGS := $(init_cflags)

LOCAL_SRC_FILES := \

    devices.cpp \

    first_stage_init.cpp \

    first_stage_main.cpp \

    first_stage_mount.cpp \

    init_first_stage.cpp \

    reboot_utils.cpp \

    selinux.cpp \

    switch_root.cpp \
@@ -93,19 +96,16 @@ LOCAL_SANITIZE := signed-integer-overflow 
# First stage init is weird: it may start without stdout/stderr, and no /proc.

LOCAL_NOSANITIZE := hwaddress

include $(BUILD_EXECUTABLE)

endif



include $(CLEAR_VARS)



LOCAL_MODULE := init_system

ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)

LOCAL_REQUIRED_MODULES := \

   init_first_stage \

   init_second_stage \



else

LOCAL_REQUIRED_MODULES := \

   init_second_stage \



ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)

LOCAL_POST_INSTALL_CMD := ln -sf /system/bin/init $(TARGET_ROOT_OUT)/init

endif

include $(BUILD_PHONY_PACKAGE)
@@ -118,5 +118,3 @@ LOCAL_REQUIRED_MODULES := \ 


endif

include $(BUILD_PHONY_PACKAGE)

init/init_first_stage.cpp→init/first_stage_init.cpp

+4 −6
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
 * limitations under the License.

 */



#include "first_stage_init.h"



#include <dirent.h>

#include <fcntl.h>

#include <paths.h>
@@ -94,7 +96,7 @@ bool ForceNormalBoot() { 


}  // namespace



int main(int argc, char** argv) {

int FirstStageMain(int argc, char** argv) {

    if (REBOOT_BOOTLOADER_ON_PANIC) {

        InstallRebootSignalHandlers();

    }
@@ -214,7 +216,7 @@ int main(int argc, char** argv) { 
    setenv("INIT_STARTED_AT", std::to_string(start_ms).c_str(), 1);



    const char* path = "/system/bin/init";

    const char* args[] = {path, nullptr};

    const char* args[] = {path, "selinux_setup", nullptr};

    execv(path, const_cast<char**>(args));



    // execv() only returns if an error happened, in which case we
@@ -226,7 +228,3 @@ int main(int argc, char** argv) { 


}  // namespace init

}  // namespace android
 


int main(int argc, char** argv) {

    return android::init::main(argc, argv);

}

init/first_stage_init.h

0 → 100644
+25 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2018 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.

 */



#pragma once



namespace android {

namespace init {



int FirstStageMain(int argc, char** argv);



}  // namespace init

}  // namespace android

init/first_stage_main.cpp

0 → 100644
+21 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2018 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.

 */



#include "first_stage_init.h"



int main(int argc, char** argv) {

    return android::init::FirstStageMain(argc, argv);

}