| /* Copyright (C) 2011 The Android Open Source Project |
| ** |
| ** This software is licensed under the terms of the GNU General Public |
| ** License version 2, as published by the Free Software Foundation, and |
| ** may be copied, distributed, and modified under those terms. |
| ** |
| ** This program is distributed in the hope that it will be useful, |
| ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ** GNU General Public License for more details. |
| */ |
| |
| /* This is the source code to the tiny "emulator" launcher program |
| * that is in charge of starting the target-specific emulator binary |
| * for a given AVD, i.e. either 'emulator-arm' or 'emulator-x86' |
| * |
| * This program will be replaced in the future by what is currently |
| * known as 'emulator-ui', but is a good placeholder until this |
| * migration is completed. |
| */ |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <fstream> |
| #include <streambuf> |
| |
| #include "android/avd/scanner.h" |
| #include "android/avd/util.h" |
| #include "android/base/ArraySize.h" |
| #include "android/base/StringView.h" |
| #include "android/base/files/PathUtils.h" |
| #include "android/base/memory/ScopedPtr.h" |
| #include "android/base/system/System.h" |
| #include "android/camera/camera-list.h" |
| #include "android/main-emugl.h" |
| #include "android/main-help.h" |
| #include "android/opengl/emugl_config.h" |
| #include "android/qt/qt_setup.h" |
| #include "android/utils/compiler.h" |
| #include "android/utils/debug.h" |
| #include "android/utils/exec.h" |
| #include "android/utils/host_bitness.h" |
| #include "android/utils/panic.h" |
| #include "android/utils/path.h" |
| #include "android/utils/bufprint.h" |
| #include "android/utils/win32_cmdline_quote.h" |
| #include "android/version.h" |
| |
| #ifdef _WIN32 |
| #include <windows.h> |
| #endif |
| |
| using android::base::PathUtils; |
| using android::base::RunOptions; |
| using android::base::ScopedCPtr; |
| using android::base::StringView; |
| using android::base::System; |
| |
| #define DEBUG 1 |
| |
| #if DEBUG |
| # define D(...) do { if (android_verbose) printf("emulator:" __VA_ARGS__); } while (0) |
| #else |
| # define D(...) do{}while(0) |
| #endif |
| |
| /* The extension used by dynamic libraries on the host platform */ |
| #ifdef _WIN32 |
| # define DLL_EXTENSION ".dll" |
| #elif defined(__APPLE__) |
| # define DLL_EXTENSION ".dylib" |
| #else |
| # define DLL_EXTENSION ".so" |
| #endif |
| |
| // Name of GPU emulation main library for (32-bit and 64-bit versions) |
| #define GLES_EMULATION_LIB "libOpenglRender" DLL_EXTENSION |
| #define GLES_EMULATION_LIB64 "lib64OpenglRender" DLL_EXTENSION |
| |
| /* Forward declarations */ |
| static char* getClassicEmulatorPath(const char* progDir, |
| const char* avdArch, |
| int* wantedBitness); |
| |
| static char* getQemuExecutablePath(const char* programPath, |
| const char* avdArch, |
| int wantedBitness); |
| |
| static void updateLibrarySearchPath(int wantedBitness, bool useSystemLibs, const char* launcherDir); |
| |
| static bool checkAvdSystemDirForKernelRanchu(const char* avdName, |
| const char* avdArch, |
| const char* androidOut); |
| |
| static bool checkForGoogleAPIs(const char* avdName); |
| static int getApiLevel(const char* avdName); |
| static std::string getAvdSystemPath(const char* avdName); |
| |
| #ifdef _WIN32 |
| static const char kExeExtension[] = ".exe"; |
| #else |
| static const char kExeExtension[] = ""; |
| #endif |
| |
| // Return true if string |str| is in |list|, which is an array of string |
| // pointers of |listSize| elements. |
| static bool isStringInList(const char* str, |
| const char* const* list, |
| size_t listSize) { |
| size_t n = 0; |
| for (n = 0; n < listSize; ++n) { |
| if (!strcmp(str, list[n])) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Return true if the CPU architecture |avdArch| is supported by QEMU1, |
| // i.e. the 'goldfish' virtual board. |
| static bool isCpuArchSupportedByGoldfish(const char* avdArch) { |
| static const char* const kSupported[] = {"arm", "mips", "x86", "x86_64"}; |
| return isStringInList(avdArch, kSupported, ARRAY_SIZE(kSupported)); |
| } |
| |
| |
| // Return true if the CPU architecture |avdArch| is supported by QEMU2, |
| // i.e. the 'ranchu' virtual board. |
| static bool isCpuArchSupportedByRanchu(const char* avdArch) { |
| static const char* const kSupported[] = |
| {"arm", "arm64", "mips", "mips64", "x86", "x86_64"}; |
| return isStringInList(avdArch, kSupported, ARRAY_SIZE(kSupported)); |
| } |
| |
| static std::string emulator_dirname(const std::string& launcherDir) { |
| char* cstr1 = path_parent(launcherDir.c_str(), 1); |
| char* cstr2 = path_join(cstr1, "emulator"); |
| std::string cppstr(cstr2); |
| free(cstr1); |
| free(cstr2); |
| return cppstr; |
| } |
| |
| static void delete_files(const StringView file_dir, const StringView files_to_delete[], |
| unsigned int num_files) { |
| for (unsigned int i = 0; i < num_files; ++i) { |
| std::string file = PathUtils::join(file_dir, files_to_delete[i]); |
| APosixStatus ret = path_delete_file(file.c_str()); |
| if (ret == 0) { |
| D("Deleting file %s done\n", file.c_str()); |
| } else { |
| D("Deleting file %s failed\n", file.c_str()); |
| } |
| } |
| } |
| |
| static void clean_up_avd_contents_except_config_ini(const char* avd_folder) { |
| // sdcard.img should not be deleted, because it is created by sdk manager |
| // and we dont know how to re-create it from emulator yet |
| // TODO: fixit |
| static constexpr StringView files_to_delete[] = {"system.img.qcow2", "userdata-qemu.img", |
| "userdata-qemu.img.qcow2", "userdata.img", "userdata.img.qcow2", "cache.img", |
| "cache.img.qcow2", "version_num.cache", "sdcard.img.qcow2", "encryptionkey.img", |
| "encryptionkey.img.qcow2", "hardware-qemu.ini", "emulator-user.ini"}; |
| delete_files(avd_folder, files_to_delete, ARRAY_SIZE(files_to_delete)); |
| } |
| |
| static void copy_userdata_img_from_sys_folder(const char* sys_folder, const char* avd_folder) { |
| std::string dest = PathUtils::join(avd_folder, "userdata.img"); |
| std::string src = PathUtils::join(sys_folder, "userdata.img"); |
| APosixStatus ret = path_copy_file(dest.c_str(), src.c_str()); |
| D("Copying %s to %s %s\n", src.c_str(), dest.c_str(), ret == 0 ? "done" : "failed"); |
| } |
| |
| static void clean_up_android_out(const char* android_out) { |
| // note: we should not delete 'userdata.img' otherwise, we will have to run |
| // make again to create it; in avd/ folder, it can be copied from |
| // system-images/.../<arch>/ directory. |
| static constexpr StringView files_to_delete[] = {"system.img.qcow2", "userdata-qemu.img", |
| "userdata-qemu.img.qcow2", "userdata.img.qcow2", "cache.img.qcow2", "version_num.cache", |
| "hardware-qemu.ini", "emulator-user.ini"}; |
| delete_files(android_out, files_to_delete, ARRAY_SIZE(files_to_delete)); |
| } |
| |
| static bool checkOsVersion() { |
| #ifndef _WIN32 |
| return true; |
| #else // _WIN32 |
| // Make sure OS is Win7+ - otherwise the emulation engine just won't start. |
| OSVERSIONINFOW ver = {sizeof(ver)}; |
| if (!::GetVersionExW(&ver)) { |
| const auto err = (unsigned)::GetLastError(); |
| dwarning( |
| "failed to get operating system version.\n" |
| "The Android Emulator may not run properly on Windows Vista and\n" |
| "won't run on Windows XP (error code %d [0x%x]).", |
| err, err); |
| } else { |
| // Windows 7 is 6.1 |
| if (ver.dwMajorVersion < 6 || |
| (ver.dwMajorVersion == 6 && ver.dwMinorVersion < 1)) { |
| derror( |
| "Windows 7 or newer is required to run the Android Emulator.\n" |
| "Please upgrade your operating system."); |
| return false; |
| } |
| } |
| return true; |
| #endif // _WIN32 |
| } |
| |
| /* Main routine */ |
| int main(int argc, char** argv) |
| { |
| const char* avdName = NULL; |
| const char* avdArch = NULL; |
| const char* gpu = NULL; |
| const char* engine = NULL; |
| bool doAccelCheck = false; |
| bool doListAvds = false; |
| bool force32bit = false; |
| bool noWindow = false; |
| bool useSystemLibs = false; |
| bool forceEngineLaunch = false; |
| bool queryVersion = false; |
| bool doListWebcams = false; |
| bool cleanUpAvdContent = false; |
| |
| /* Define ANDROID_EMULATOR_DEBUG to 1 in your environment if you want to |
| * see the debug messages from this launcher program. |
| */ |
| const char* debug = getenv("ANDROID_EMULATOR_DEBUG"); |
| |
| if (debug != NULL && *debug && *debug != '0') { |
| android_verbose = 1; |
| } |
| |
| if (!checkOsVersion()) { |
| return 1; |
| } |
| |
| #ifdef __linux__ |
| /* Define ANDROID_EMULATOR_USE_SYSTEM_LIBS to 1 in your environment if you |
| * want the effect of -use-system-libs to be permanent. |
| */ |
| const char* system_libs = getenv("ANDROID_EMULATOR_USE_SYSTEM_LIBS"); |
| if (system_libs && system_libs[0] && system_libs[0] != '0') { |
| useSystemLibs = true; |
| } |
| #endif // __linux__ |
| |
| /* Parse command-line and look for |
| * 1) an avd name either in the form or '-avd <name>' or '@<name>' |
| * 2) '-force-32bit' which always use 32-bit emulator on 64-bit platforms |
| * 3) '-verbose'/'-debug-all'/'-debug all'/'-debug-init'/'-debug init' |
| * to enable verbose mode. |
| */ |
| for (int nn = 1; nn < argc; nn++) { |
| const char* opt = argv[nn]; |
| |
| if (!strcmp(opt, "-accel-check")) { |
| doAccelCheck = true; |
| continue; |
| } |
| |
| if (!strcmp(opt,"-qemu")) { |
| forceEngineLaunch = true; |
| break; |
| } |
| |
| // NOTE: Process -help options immediately, ignoring all other |
| // parameters. |
| int helpStatus = emulator_parseHelpOption(opt); |
| if (helpStatus >= 0) { |
| return helpStatus; |
| } |
| |
| if (!strcmp(opt, "-version")) { |
| queryVersion = true; |
| continue; |
| } |
| |
| if (!strcmp(opt, "-wipe-data")) { |
| cleanUpAvdContent= true; |
| continue; |
| } |
| |
| if (!strcmp(opt,"-verbose") || !strcmp(opt,"-debug-all") |
| || !strcmp(opt,"-debug-init")) { |
| android_verbose = 1; |
| base_enable_verbose_logs(); |
| continue; |
| } |
| |
| if (!strcmp(opt,"-debug") && nn + 1 < argc && |
| (!strcmp(argv[nn + 1], "all") || !strcmp(argv[nn + 1], "init"))) { |
| android_verbose = 1; |
| base_enable_verbose_logs(); |
| } |
| |
| if (!strcmp(opt,"-gpu") && nn + 1 < argc) { |
| gpu = argv[nn + 1]; |
| nn++; |
| continue; |
| } |
| |
| if (!strcmp(opt,"-ranchu")) { |
| // Nothing: the option is deprecated and defaults to auto-detect. |
| continue; |
| } |
| |
| if (!strcmp(opt, "-engine") && nn + 1 < argc) { |
| engine = argv[nn + 1]; |
| nn++; |
| continue; |
| } |
| |
| if (!strcmp(opt,"-force-32bit")) { |
| force32bit = true; |
| continue; |
| } |
| |
| if (!strcmp(opt,"-no-window")) { |
| noWindow = true; |
| continue; |
| } |
| |
| #ifdef __linux__ |
| if (!strcmp(opt, "-use-system-libs")) { |
| useSystemLibs = true; |
| continue; |
| } |
| #endif // __linux__ |
| |
| if (!strcmp(opt, "-list-avds")) { |
| doListAvds = true; |
| continue; |
| } |
| |
| if (!strcmp(opt, "-webcam-list")) { |
| doListWebcams = true; |
| continue; |
| } |
| |
| if (!avdName) { |
| if (!strcmp(opt,"-avd") && nn+1 < argc) { |
| avdName = argv[nn+1]; |
| } |
| else if (opt[0] == '@' && opt[1] != '\0') { |
| avdName = opt+1; |
| } |
| } |
| } |
| |
| if (doAccelCheck) { |
| // forward the option to our answering machine |
| auto& sys = *System::get(); |
| const auto path = sys.findBundledExecutable("emulator-check"); |
| if (path.empty()) { |
| derror("can't find the emulator-check executable " |
| "(corrupted tools installation?)"); |
| return -1; |
| } |
| |
| System::ProcessExitCode exit_code; |
| bool ret = sys.runCommand( |
| {path, "accel"}, |
| RunOptions::WaitForCompletion | RunOptions::ShowOutput, |
| System::kInfinite, &exit_code); |
| return ret ? exit_code : -1; |
| } |
| |
| if (doListAvds) { |
| AvdScanner* scanner = avdScanner_new(NULL); |
| for (;;) { |
| const char* name = avdScanner_next(scanner); |
| if (!name) { |
| break; |
| } |
| printf("%s\n", name); |
| } |
| avdScanner_free(scanner); |
| return 0; |
| } |
| |
| if (doListWebcams) { |
| android_camera_list_webcams(); |
| return 0; |
| } |
| |
| /* If ANDROID_EMULATOR_FORCE_32BIT is set to 'true' or '1' in the |
| * environment, set -force-32bit automatically. |
| */ |
| { |
| const char kEnvVar[] = "ANDROID_EMULATOR_FORCE_32BIT"; |
| const char* val = getenv(kEnvVar); |
| if (val && (!strcmp(val, "true") || !strcmp(val, "1"))) { |
| if (!force32bit) { |
| D("Auto-config: -force-32bit (%s=%s)\n", kEnvVar, val); |
| force32bit = true; |
| } |
| } |
| } |
| |
| int hostBitness = android_getHostBitness(); |
| int wantedBitness = hostBitness; |
| |
| #if defined(__linux__) |
| if (!force32bit && hostBitness == 32) { |
| fprintf(stderr, |
| "ERROR: 32-bit Linux Android emulator binaries are DEPRECATED, to use them\n" |
| " you will have to do at least one of the following:\n" |
| "\n" |
| " - Use the '-force-32bit' option when invoking 'emulator'.\n" |
| " - Set ANDROID_EMULATOR_FORCE_32BIT to 'true' in your environment.\n" |
| "\n" |
| " Either one will allow you to use the 32-bit binaries, but please be\n" |
| " aware that these will disappear in a future Android SDK release.\n" |
| " Consider moving to a 64-bit Linux system before that happens.\n" |
| "\n" |
| ); |
| return 1; |
| } |
| #endif // __linux__ |
| |
| if (force32bit) { |
| wantedBitness = 32; |
| } |
| |
| #if defined(__APPLE__) |
| // Not sure when the android_getHostBitness will break again |
| // but we are not shiping 32bit for OSX long time ago. |
| // https://code.google.com/p/android/issues/detail?id=196779 |
| if (force32bit) { |
| fprintf(stderr, |
| "WARNING: 32-bit OSX Android emulator binaries are not supported, use 64bit.\n"); |
| } |
| wantedBitness = 64; |
| #endif |
| |
| // When running in a platform build environment, point to the output |
| // directory where image partition files are located. |
| const char* androidOut = NULL; |
| |
| // print a version string and build id for easier debugging |
| #if defined ANDROID_SDK_TOOLS_BUILD_NUMBER |
| D("Android emulator version %s\n", EMULATOR_VERSION_STRING |
| " (build_id " STRINGIFY(ANDROID_SDK_TOOLS_BUILD_NUMBER) ")"); |
| #endif |
| /* If there is an AVD name, we're going to extract its target architecture |
| * by looking at its config.ini |
| */ |
| if (avdName != NULL) { |
| D("Found AVD name '%s'\n", avdName); |
| avdArch = path_getAvdTargetArch(avdName); |
| D("Found AVD target architecture: %s\n", avdArch); |
| } else { |
| /* Otherwise, using the ANDROID_PRODUCT_OUT directory */ |
| androidOut = getenv("ANDROID_PRODUCT_OUT"); |
| |
| if (androidOut != NULL) { |
| D("Found ANDROID_PRODUCT_OUT: %s\n", androidOut); |
| avdArch = path_getBuildTargetArch(androidOut); |
| D("Found build target architecture: %s\n", |
| avdArch ? avdArch : "<NULL>"); |
| } |
| } |
| |
| if (!avdName && !androidOut && !forceEngineLaunch && !queryVersion) { |
| derror("No AVD specified. Use '@foo' or '-avd foo' to launch a virtual" |
| " device named 'foo'\n"); |
| return 1; |
| } |
| |
| if (cleanUpAvdContent) { |
| if (avdName) { |
| char* avd_folder = path_getAvdContentPath(avdName); |
| if (avd_folder) { |
| clean_up_avd_contents_except_config_ini(avd_folder); |
| std::string systemPath = getAvdSystemPath(avdName); |
| if (!systemPath.empty()) { |
| copy_userdata_img_from_sys_folder(systemPath.c_str(), avd_folder); |
| } |
| free(avd_folder); |
| } |
| } else if (androidOut) { |
| clean_up_android_out(androidOut); |
| } |
| } |
| |
| if (avdArch == NULL) { |
| avdArch = "x86"; |
| D("Can't determine target AVD architecture: defaulting to %s\n", avdArch); |
| } |
| |
| /* Find program directory. */ |
| const auto progDirSystem = android::base::System::get()->getProgramDirectory(); |
| D("argv[0]: '%s'; program directory: '%s'\n", argv[0], progDirSystem.c_str()); |
| |
| enum RanchuState { |
| RANCHU_AUTODETECT, |
| RANCHU_ON, |
| RANCHU_OFF, |
| } ranchu = RANCHU_AUTODETECT; |
| |
| bool isSnapshotPresent = false; |
| |
| if (engine) { |
| if (!strcmp(engine, "auto")) { |
| if (isSnapshotPresent) { |
| fprintf(stderr, "WARNING: only classic engine supports snapshot, option 'auto' ignored.\n"); |
| } else { |
| ranchu = RANCHU_AUTODETECT; |
| } |
| } else if (!strcmp(engine, "classic")) { |
| ranchu = RANCHU_OFF; |
| } else if (!strcmp(engine, "qemu2")) { |
| if (isSnapshotPresent) { |
| fprintf(stderr, "WARNING: qemu2 does not support snapshot, option 'qemu2' ignored.\n"); |
| } else { |
| ranchu = RANCHU_ON; |
| } |
| } else { |
| APANIC("Invalid -engine value '%s', please use one of: auto, classic, qemu2\n", |
| engine); |
| } |
| } |
| |
| if (ranchu == RANCHU_AUTODETECT) { |
| if (!avdName) { |
| ranchu = RANCHU_ON; |
| } else { |
| // Auto-detect which emulation engine to launch. |
| bool cpuHasRanchu = isCpuArchSupportedByRanchu(avdArch); |
| bool cpuHasGoldfish = isCpuArchSupportedByGoldfish(avdArch); |
| |
| if (cpuHasRanchu) { |
| if (cpuHasGoldfish) { |
| // Need to auto-detect the default engine. |
| // TODO: Deal with -kernel <file>, -systemdir <dir> and platform |
| // builds appropriately. For now this only works reliably for |
| // regular SDK AVD configurations. |
| if (checkAvdSystemDirForKernelRanchu(avdName, avdArch, |
| androidOut)) { |
| D("Auto-config: -engine qemu2 (based on configuration)\n"); |
| ranchu = RANCHU_ON; |
| } else { |
| D("Auto-config: -engine classic (based on configuration)\n"); |
| ranchu = RANCHU_OFF; |
| } |
| } else { |
| D("Auto-config: -engine qemu2 (%s default)\n", avdArch); |
| ranchu = RANCHU_ON; |
| } |
| } else if (cpuHasGoldfish) { |
| D("Auto-config: -engine classic (%s default)\n", avdArch); |
| ranchu = RANCHU_OFF; |
| } else { |
| APANIC("CPU architecture '%s' is not supported\n", avdArch); |
| } |
| } |
| } |
| |
| // Sanity checks. |
| if (avdName) { |
| if (ranchu == RANCHU_OFF && !isCpuArchSupportedByGoldfish(avdArch)) { |
| APANIC("CPU Architecture '%s' is not supported by the classic emulator", |
| avdArch); |
| } |
| if (ranchu == RANCHU_ON && !isCpuArchSupportedByRanchu(avdArch)) { |
| APANIC("CPU Architecture '%s' is not supported by the QEMU2 emulator", |
| avdArch); |
| } |
| std::string systemPath = getAvdSystemPath(avdName); |
| if (systemPath.empty()) { |
| const char* env = getenv("ANDROID_SDK_ROOT"); |
| if (!env || !env[0]) { |
| APANIC("Cannot find AVD system path. Please define " |
| "ANDROID_SDK_ROOT\n"); |
| } else { |
| APANIC("Broken AVD system path. Check your ANDROID_SDK_ROOT " |
| "value [%s]!\n", |
| env); |
| } |
| } |
| } |
| #ifdef _WIN32 |
| // Windows version of Qemu1 works only in x86 mode |
| if (ranchu == RANCHU_OFF) { |
| wantedBitness = 32; |
| } |
| #endif |
| |
| char* c_argv0_dir_name = path_dirname(argv[0]); |
| std::string argv0DirName(c_argv0_dir_name); |
| free(c_argv0_dir_name); |
| |
| std::string emuDirName = emulator_dirname(argv0DirName); |
| |
| const StringView candidates[] = {progDirSystem, argv0DirName, emuDirName}; |
| char* emulatorPath = nullptr; |
| StringView progDir; |
| for (unsigned int i = 0; i < ARRAY_SIZE(candidates); ++i) { |
| D("try dir %s\n", candidates[i].c_str()); |
| progDir = candidates[i]; |
| if (ranchu == RANCHU_ON) { |
| emulatorPath = getQemuExecutablePath(progDir.c_str(), |
| avdArch, |
| wantedBitness); |
| } else { |
| emulatorPath = getClassicEmulatorPath(progDir.c_str(), |
| avdArch, |
| &wantedBitness); |
| } |
| if (path_exists(emulatorPath)) { |
| break; |
| } |
| } |
| D("Found target-specific %d-bit emulator binary: %s\n", wantedBitness, emulatorPath); |
| |
| /* Replace it in our command-line */ |
| argv[0] = emulatorPath; |
| |
| /* setup launcher dir */ |
| System::get()->envSet("ANDROID_EMULATOR_LAUNCHER_DIR", progDir); |
| |
| /* Setup library paths so that bundled standard shared libraries are picked |
| * up by the re-exec'ed emulator |
| */ |
| updateLibrarySearchPath(wantedBitness, useSystemLibs, progDir.c_str()); |
| |
| /* We need to find the location of the GLES emulation shared libraries |
| * and modify either LD_LIBRARY_PATH or PATH accordingly |
| */ |
| |
| // Detect if this is google API's |
| bool googleApis = checkForGoogleAPIs(avdName); |
| int apiLevel = getApiLevel(avdName); |
| EmuglConfig config; |
| |
| if (!androidEmuglConfigInit(&config, |
| avdName, |
| avdArch, |
| apiLevel, |
| googleApis, |
| gpu, |
| wantedBitness, |
| noWindow)) { |
| fprintf(stderr, "ERROR: %s\n", config.status); |
| return 1; |
| } |
| D("%s\n", config.status); |
| |
| emuglConfig_setupEnv(&config); |
| |
| /* Add <lib>/qt/ to the library search path. */ |
| androidQtSetupEnv(wantedBitness, progDir.c_str()); |
| |
| #ifdef _WIN32 |
| // Take care of quoting all parameters before sending them to execv(). |
| // See the "Eveyone quotes command line arguments the wrong way" on |
| // MSDN. |
| int n; |
| for (n = 0; n < argc; ++n) { |
| // Technically, this leaks the quoted strings, but we don't care |
| // since this process will terminate after the execv() anyway. |
| argv[n] = win32_cmdline_quote(argv[n]); |
| D("Quoted param: [%s]\n", argv[n]); |
| } |
| #endif |
| |
| if (android_verbose) { |
| int i; |
| printf("emulator: Running :%s\n", emulatorPath); |
| for(i = 0; i < argc; i++) { |
| printf("emulator: qemu backend: argv[%02d] = \"%s\"\n", i, argv[i]); |
| } |
| /* Dump final command-line parameters to make debugging easier */ |
| printf("emulator: Concatenated backend parameters:\n"); |
| for (i = 0; i < argc; i++) { |
| /* To make it easier to copy-paste the output to a command-line, |
| * quote anything that contains spaces. |
| */ |
| if (strchr(argv[i], ' ') != NULL) { |
| printf(" '%s'", argv[i]); |
| } else { |
| printf(" %s", argv[i]); |
| } |
| } |
| printf("\n"); |
| } |
| |
| // Launch it with the same set of options ! |
| // Note that on Windows, the first argument must _not_ be quoted or |
| // Windows will fail to find the program. |
| safe_execv(emulatorPath, argv); |
| |
| /* We could not launch the program ! */ |
| fprintf(stderr, "Could not launch '%s': %s\n", emulatorPath, strerror(errno)); |
| return errno; |
| } |
| |
| static char* bufprint_emulatorName(char* p, |
| char* end, |
| const char* progDir, |
| const char* prefix, |
| const char* archSuffix) { |
| if (progDir) { |
| p = bufprint(p, end, "%s/", progDir); |
| } |
| p = bufprint(p, end, "%s%s%s", prefix, archSuffix, kExeExtension); |
| return p; |
| } |
| |
| /* Probe the filesystem to check if an emulator executable named like |
| * <progDir>/<prefix><arch> exists. |
| * |
| * |progDir| is an optional program directory. If NULL, the executable |
| * will be searched in the current directory. |
| * |archSuffix| is an architecture-specific suffix, like "arm", or 'x86" |
| * |wantedBitness| points to an integer describing the wanted bitness of |
| * the program. The function might modify it, in the case where it is 64 |
| * but only 32-bit versions of the executables are found (in this case, |
| * |*wantedBitness| is set to 32). |
| * On success, returns the path of the executable (string must be freed by |
| * the caller). On failure, return NULL. |
| */ |
| static char* probeTargetEmulatorPath(const char* progDir, |
| const char* archSuffix, |
| int* wantedBitness) { |
| char path[PATH_MAX], *pathEnd = path + sizeof(path), *p; |
| |
| static const char kEmulatorPrefix[] = "emulator-"; |
| static const char kEmulator64Prefix[] = "emulator64-"; |
| |
| // First search for the 64-bit emulator binary. |
| if (*wantedBitness == 64) { |
| p = bufprint_emulatorName(path, |
| pathEnd, |
| progDir, |
| kEmulator64Prefix, |
| archSuffix); |
| D("Probing program: %s\n", path); |
| if (p < pathEnd && path_exists(path)) { |
| return strdup(path); |
| } |
| } |
| |
| // Then for the 32-bit one. |
| p = bufprint_emulatorName(path, |
| pathEnd, |
| progDir, |
| kEmulatorPrefix, |
| archSuffix); |
| D("Probing program: %s\n", path); |
| if (p < pathEnd && path_exists(path)) { |
| *wantedBitness = 32; |
| return strdup(path); |
| } |
| |
| return NULL; |
| } |
| |
| // Find the path to the classic emulator binary that supports CPU architecture |
| // |avdArch|. |progDir| is the program's directory. |
| static char* getClassicEmulatorPath(const char* progDir, |
| const char* avdArch, |
| int* wantedBitness) { |
| const char* emulatorSuffix = emulator_getBackendSuffix(avdArch); |
| if (!emulatorSuffix) { |
| APANIC("This emulator cannot emulate %s CPUs!\n", avdArch); |
| } |
| D("Looking for emulator-%s to emulate '%s' CPU\n", emulatorSuffix, |
| avdArch); |
| |
| char* result = probeTargetEmulatorPath(progDir, |
| emulatorSuffix, |
| wantedBitness); |
| if (!result) { |
| APANIC("Missing emulator engine program for '%s' CPU.\n", avdArch); |
| } |
| D("return result: %s\n", result); |
| return result; |
| } |
| |
| // Convert an emulator-specific CPU architecture name |avdArch| into the |
| // corresponding QEMU one. Return NULL if unknown. |
| static const char* getQemuArch(const char* avdArch) { |
| static const struct { |
| const char* arch; |
| const char* qemuArch; |
| } kQemuArchs[] = { |
| {"arm", "armel"}, |
| {"arm64", "aarch64"}, |
| {"mips", "mipsel"}, |
| {"mips64", "mips64el"}, |
| {"x86","i386"}, |
| {"x86_64","x86_64"}, |
| }; |
| size_t n; |
| for (n = 0; n < ARRAY_SIZE(kQemuArchs); ++n) { |
| if (!strcmp(avdArch, kQemuArchs[n].arch)) { |
| return kQemuArchs[n].qemuArch; |
| } |
| } |
| return NULL; |
| } |
| |
| // Return the path of the QEMU executable. |progDir| is the directory |
| // containing the current program. |avdArch| is the CPU architecture name. |
| // of the current program (i.e. the 'emulator' launcher). |
| // Return NULL in case of error. |
| static char* getQemuExecutablePath(const char* progDir, |
| const char* avdArch, |
| int wantedBitness) { |
| // The host operating system name. |
| #ifdef __linux__ |
| static const char kHostOs[] = "linux"; |
| #elif defined(__APPLE__) |
| static const char kHostOs[] = "darwin"; |
| #elif defined(_WIN32) |
| static const char kHostOs[] = "windows"; |
| #endif |
| const char* hostArch = (wantedBitness == 64) ? "x86_64" : "x86"; |
| const char* qemuArch = getQemuArch(avdArch); |
| if (!qemuArch) { |
| APANIC("QEMU2 emulator does not support %s CPU architecture", avdArch); |
| } |
| |
| char fullPath[PATH_MAX]; |
| char* fullPathEnd = fullPath + sizeof(fullPath); |
| char* tail = bufprint(fullPath, |
| fullPathEnd, |
| "%s/qemu/%s-%s/qemu-system-%s%s", |
| progDir, |
| kHostOs, |
| hostArch, |
| qemuArch, |
| kExeExtension); |
| if (tail >= fullPathEnd) { |
| APANIC("QEMU executable path too long (clipped) [%s]. " |
| "Can not use QEMU2 emulator. ", fullPath); |
| } |
| return strdup(fullPath); |
| } |
| |
| static void updateLibrarySearchPath(int wantedBitness, bool useSystemLibs, const char* launcherDir) { |
| const char* libSubDir = (wantedBitness == 64) ? "lib64" : "lib"; |
| char fullPath[PATH_MAX]; |
| char* tail = fullPath; |
| |
| tail = bufprint(fullPath, fullPath + sizeof(fullPath), "%s/%s", launcherDir, |
| libSubDir); |
| |
| if (tail >= fullPath + sizeof(fullPath)) { |
| APANIC("Custom library path too long (clipped) [%s]. " |
| "Can not use bundled libraries. ", |
| fullPath); |
| } |
| |
| D("Adding library search path: '%s'\n", fullPath); |
| add_library_search_dir(fullPath); |
| |
| #ifdef __linux__ |
| if (!useSystemLibs) { |
| // Use bundled libstdc++ |
| tail = bufprint(fullPath, fullPath + sizeof(fullPath), |
| "%s/%s/libstdc++", launcherDir, libSubDir); |
| |
| if (tail >= fullPath + sizeof(fullPath)) { |
| APANIC("Custom library path too long (clipped) [%s]. " |
| "Can not use bundled libraries. ", |
| fullPath); |
| } |
| |
| D("Adding library search path: '%s'\n", fullPath); |
| add_library_search_dir(fullPath); |
| } |
| #else // !__linux__ |
| (void)useSystemLibs; |
| #endif // !__linux__ |
| } |
| |
| // Return the system directory path of a given AVD named |avdName|. |
| // Return empty string on failure. |
| static std::string getAvdSystemPath(const char* avdName) { |
| std::string result; |
| if (!avdName) { |
| return result; |
| } |
| char* sdkRootPath = path_getSdkRoot(); |
| if (!sdkRootPath) { |
| return result; |
| } |
| char* systemPath = path_getAvdSystemPath(avdName, sdkRootPath); |
| if (systemPath != nullptr) { |
| result = systemPath; |
| AFREE(systemPath); |
| } |
| AFREE(sdkRootPath); |
| return result; |
| } |
| |
| // Verify and AVD's system image directory to see if it supports ranchu. |
| static bool checkAvdSystemDirForKernelRanchu(const char* avdName, |
| const char* avdArch, |
| const char* androidOut) { |
| bool result = false; |
| char* kernel_file = NULL; |
| |
| // For now, just check that a kernel-ranchu file exists. All official |
| // system images should have that if they support ranchu. |
| if (androidOut) { |
| // This is running inside an Android platform build. |
| const char* androidBuildTop = getenv("ANDROID_BUILD_TOP"); |
| if (!androidBuildTop || !androidBuildTop[0]) { |
| D("Cannot find Android build top directory, assume no ranchu " |
| "support!\n"); |
| return false; |
| } |
| D("Found ANDROID_BUILD_TOP: %s\n", androidBuildTop); |
| if (!path_exists(androidBuildTop)) { |
| D("Invalid Android build top: %s\n", androidBuildTop); |
| return false; |
| } |
| asprintf(&kernel_file, "%s/prebuilts/qemu-kernel/%s/%s", |
| androidBuildTop, avdArch, "kernel-ranchu"); |
| } else { |
| // This is a regular SDK AVD launch. |
| std::string systemImagePath = getAvdSystemPath(avdName); |
| if (systemImagePath.empty()) { |
| D("Cannot find system image path. Please define " |
| "ANDROID_SDK_ROOT\n"); |
| return false; |
| } |
| asprintf(&kernel_file, "%s/%s", systemImagePath.c_str(), |
| "kernel-ranchu"); |
| } |
| result = path_exists(kernel_file); |
| D("Probing for %s: file %s\n", kernel_file, result ? "exists" : "missing"); |
| |
| AFREE(kernel_file); |
| return result; |
| } |
| |
| static std::string getAvdBuildProperty(const char* avdName, const char* key) { |
| std::string result; |
| // Running without an avd (inside android build folder, for instance). |
| if (!avdName) { |
| return result; |
| } |
| |
| std::string systemImagePath = getAvdSystemPath(avdName); |
| if (systemImagePath.empty()) { |
| return result; |
| } |
| |
| std::string buildprop_file = std::string(systemImagePath) + "/build.prop"; |
| |
| std::ifstream file(buildprop_file); |
| std::string temp; |
| while (std::getline(file, temp)) { |
| size_t keypos = temp.find(key); |
| if (keypos != std::string::npos) { |
| keypos = temp.find("="); |
| if (keypos == std::string::npos) { |
| // build.prop key without =, crazy! |
| continue; |
| } |
| result = temp.substr(keypos + 1, temp.length() + 1); |
| } |
| } |
| return result; |
| } |
| |
| static bool checkForGoogleAPIs(const char* avdName) { |
| std::string api_type = getAvdBuildProperty(avdName, "ro.product.name"); |
| return (api_type.find("sdk_google") != std::string::npos) || |
| (api_type.find("google_sdk") != std::string::npos); |
| } |
| |
| static int getApiLevel(const char* avdName) { |
| std::string api_level = |
| getAvdBuildProperty(avdName, "ro.build.version.sdk"); |
| if (api_level.empty()) { |
| return -1; |
| } |
| |
| // for api 10 arm system images, there is no "ro.build.version.sdk" |
| // so, return -1; |
| try { |
| return std::stoi(api_level); |
| } catch (const std::exception& e) { |
| D("Warning: Cannot find the api level for this AVD: %s\n", e.what()); |
| return -1; |
| } |
| } |
