11d7bc52df
mmap_rnd_compat_bits is for address space randomization of 32-bit applications on 64-bit system. Configuring it is not only unnecessary for 64-bit "only" builds, but also can cause a boot failure if the kernel is built without CONFIG_COMPAT which is the case for Microdroid. Use ro.product.abilist32 to determine whether 32-bit applications are supported and if not, don't configure it, but mmap_rnd_bits. Bug: 237950549 Test: run Microdroid with the kernel built with aosp/2153639 Change-Id: Ifca6fa02f14ad4c7d8f9b2ab8852494c12945c3a
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <chrono>
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#include <functional>
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#include <string>
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#include <vector>
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#include <android-base/chrono_utils.h>
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#include "fscrypt_init_extensions.h"
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#include "result.h"
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using android::base::boot_clock;
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namespace android {
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namespace init {
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enum mount_mode {
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MOUNT_MODE_DEFAULT = 0,
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MOUNT_MODE_EARLY = 1,
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MOUNT_MODE_LATE = 2,
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};
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static const char kColdBootDoneProp[] = "ro.cold_boot_done";
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extern void (*trigger_shutdown)(const std::string& command);
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Result<int> CreateSocket(const std::string& name, int type, bool passcred, mode_t perm, uid_t uid,
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gid_t gid, const std::string& socketcon);
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Result<std::string> ReadFile(const std::string& path);
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Result<void> WriteFile(const std::string& path, const std::string& content);
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Result<uid_t> DecodeUid(const std::string& name);
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bool mkdir_recursive(const std::string& pathname, mode_t mode);
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int wait_for_file(const char *filename, std::chrono::nanoseconds timeout);
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void ImportKernelCmdline(const std::function<void(const std::string&, const std::string&)>&);
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void ImportBootconfig(const std::function<void(const std::string&, const std::string&)>&);
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bool make_dir(const std::string& path, mode_t mode);
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bool is_dir(const char* pathname);
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Result<std::string> ExpandProps(const std::string& src);
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// Returns the platform's Android DT directory as specified in the kernel cmdline.
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// If the platform does not configure a custom DT path, returns the standard one (based in procfs).
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const std::string& get_android_dt_dir();
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// Reads or compares the content of device tree file under the platform's Android DT directory.
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bool read_android_dt_file(const std::string& sub_path, std::string* dt_content);
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bool is_android_dt_value_expected(const std::string& sub_path, const std::string& expected_content);
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bool IsLegalPropertyName(const std::string& name);
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Result<void> IsLegalPropertyValue(const std::string& name, const std::string& value);
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std::string CleanDirPath(const std::string& path);
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struct MkdirOptions {
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std::string target;
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mode_t mode;
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uid_t uid;
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gid_t gid;
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FscryptAction fscrypt_action;
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std::string ref_option;
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};
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Result<MkdirOptions> ParseMkdir(const std::vector<std::string>& args);
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struct MountAllOptions {
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std::vector<std::string> rc_paths;
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std::string fstab_path;
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mount_mode mode;
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bool import_rc;
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};
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Result<MountAllOptions> ParseMountAll(const std::vector<std::string>& args);
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Result<std::pair<int, std::vector<std::string>>> ParseRestorecon(
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const std::vector<std::string>& args);
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Result<std::string> ParseSwaponAll(const std::vector<std::string>& args);
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Result<std::string> ParseUmountAll(const std::vector<std::string>& args);
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void SetStdioToDevNull(char** argv);
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void InitKernelLogging(char** argv);
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bool IsRecoveryMode();
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bool IsDefaultMountNamespaceReady();
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void SetDefaultMountNamespaceReady();
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bool IsMicrodroid();
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bool Has32BitAbi();
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} // namespace init
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} // namespace android
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