| /* 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. |
| */ |
| #include "android/avd/info.h" |
| #include "android/avd/util.h" |
| #include "android/kernel/kernel_utils.h" |
| #include "android/utils/bufprint.h" |
| #include "android/utils/debug.h" |
| #include "android/utils/eintr_wrapper.h" |
| #include "android/utils/path.h" |
| #include "android/utils/dirscanner.h" |
| #include "android/utils/x86_cpuid.h" |
| #include "android/cpu_accelerator.h" |
| #include "android/main-common.h" |
| #include "android/globals.h" |
| #include "android/resource.h" |
| #include "android/user-config.h" |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <limits.h> |
| #ifdef _WIN32 |
| #include <process.h> |
| #endif |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/time.h> |
| #include <unistd.h> |
| |
| |
| /***********************************************************************/ |
| /***********************************************************************/ |
| /***** *****/ |
| /***** U T I L I T Y R O U T I N E S *****/ |
| /***** *****/ |
| /***********************************************************************/ |
| /***********************************************************************/ |
| |
| #define D(...) do { if (VERBOSE_CHECK(init)) dprint(__VA_ARGS__); } while (0) |
| |
| // TODO(digit): Remove this! |
| bool android_op_wipe_data = false; |
| |
| void reassign_string(char** string, const char* new_value) { |
| free(*string); |
| *string = ASTRDUP(new_value); |
| } |
| |
| unsigned convertBytesToMB( uint64_t size ) |
| { |
| if (size == 0) |
| return 0; |
| |
| size = (size + ONE_MB-1) >> 20; |
| if (size > UINT_MAX) |
| size = UINT_MAX; |
| |
| return (unsigned) size; |
| } |
| |
| uint64_t convertMBToBytes( unsigned megaBytes ) |
| { |
| return ((uint64_t)megaBytes << 20); |
| } |
| |
| /* Return the full file path of |fileName| relative to |rootPath|. |
| * Return a new heap-allocated string to be freed by the caller. Note that |
| * if |fileName| is an absolute path, the function returns a copy and ignores |
| * |rootPath|. |
| */ |
| static char* |
| _getFullFilePath(const char* rootPath, const char* fileName) { |
| if (path_is_absolute(fileName)) { |
| return ASTRDUP(fileName); |
| } else { |
| char temp[PATH_MAX], *p=temp, *end=p+sizeof(temp); |
| |
| p = bufprint(temp, end, "%s/%s", rootPath, fileName); |
| if (p >= end) { |
| return NULL; |
| } |
| return ASTRDUP(temp); |
| } |
| } |
| |
| static uint64_t |
| _adjustPartitionSize( const char* description, |
| uint64_t imageBytes, |
| uint64_t defaultBytes, |
| int inAndroidBuild ) |
| { |
| char temp[64]; |
| unsigned imageMB; |
| unsigned defaultMB; |
| |
| if (imageBytes <= defaultBytes) |
| return defaultBytes; |
| |
| imageMB = convertBytesToMB(imageBytes); |
| defaultMB = convertBytesToMB(defaultBytes); |
| |
| if (imageMB > defaultMB) { |
| snprintf(temp, sizeof temp, "(%d MB > %d MB)", imageMB, defaultMB); |
| } else { |
| snprintf(temp, sizeof temp, "(%" PRIu64 " bytes > %" PRIu64 " bytes)", imageBytes, defaultBytes); |
| } |
| |
| if (inAndroidBuild) { |
| dwarning("%s partition size adjusted to match image file %s\n", description, temp); |
| } |
| |
| return convertMBToBytes(imageMB); |
| } |
| |
| /* this function is used to perform auto-detection of the |
| * system directory in the case of a SDK installation. |
| * |
| * we want to deal with several historical usages, hence |
| * the slightly complicated logic. |
| * |
| * NOTE: the function returns the path to the directory |
| * containing 'fileName'. this is *not* the full |
| * path to 'fileName'. |
| */ |
| static char* |
| _getSdkImagePath( const char* fileName ) |
| { |
| char temp[MAX_PATH]; |
| char* p = temp; |
| char* end = p + sizeof(temp); |
| char* q; |
| char* app; |
| |
| static const char* const searchPaths[] = { |
| "", /* program's directory */ |
| "/lib/images", /* this is for SDK 1.0 */ |
| "/../platforms/android-1.1/images", /* this is for SDK 1.1 */ |
| NULL |
| }; |
| |
| app = bufprint_app_dir(temp, end); |
| if (app >= end) |
| return NULL; |
| |
| do { |
| int nn; |
| |
| /* first search a few well-known paths */ |
| for (nn = 0; searchPaths[nn] != NULL; nn++) { |
| p = bufprint(app, end, "%s", searchPaths[nn]); |
| q = bufprint(p, end, "/%s", fileName); |
| if (q < end && path_exists(temp)) { |
| *p = 0; |
| goto FOUND_IT; |
| } |
| } |
| |
| /* hmmm. let's assume that we are in a post-1.1 SDK |
| * scan ../platforms if it exists |
| */ |
| p = bufprint(app, end, "/../platforms"); |
| if (p < end) { |
| DirScanner* scanner = dirScanner_new(temp); |
| if (scanner != NULL) { |
| int found = 0; |
| const char* subdir; |
| |
| for (;;) { |
| subdir = dirScanner_next(scanner); |
| if (!subdir) break; |
| |
| q = bufprint(p, end, "/%s/images/%s", subdir, fileName); |
| if (q >= end || !path_exists(temp)) |
| continue; |
| |
| found = 1; |
| p = bufprint(p, end, "/%s/images", subdir); |
| break; |
| } |
| dirScanner_free(scanner); |
| if (found) |
| break; |
| } |
| } |
| |
| /* I'm out of ideas */ |
| return NULL; |
| |
| } while (0); |
| |
| FOUND_IT: |
| //D("image auto-detection: %s/%s", temp, fileName); |
| return android_strdup(temp); |
| } |
| |
| static char* |
| _getSdkImage( const char* path, const char* file ) |
| { |
| char temp[MAX_PATH]; |
| char *p = temp, *end = p + sizeof(temp); |
| |
| p = bufprint(temp, end, "%s/%s", path, file); |
| if (p >= end || !path_exists(temp)) |
| return NULL; |
| |
| return android_strdup(temp); |
| } |
| |
| static char* |
| _getSdkSystemImage( const char* path, const char* optionName, const char* file ) |
| { |
| char* image = _getSdkImage(path, file); |
| |
| if (image == NULL) { |
| derror("Your system directory is missing the '%s' image file.\n" |
| "Please specify one with the '%s <filepath>' option", |
| file, optionName); |
| exit(2); |
| } |
| return image; |
| } |
| |
| void sanitizeOptions( AndroidOptions* opts ) |
| { |
| /* legacy support: we used to use -system <dir> and -image <file> |
| * instead of -sysdir <dir> and -system <file>, so handle this by checking |
| * whether the options point to directories or files. |
| */ |
| if (opts->image != NULL) { |
| if (opts->system != NULL) { |
| if (opts->sysdir != NULL) { |
| derror( "You can't use -sysdir, -system and -image at the same time.\n" |
| "You should probably use '-sysdir <path> -system <file>'.\n" ); |
| exit(2); |
| } |
| } |
| dwarning( "Please note that -image is obsolete and that -system is now used to point\n" |
| "to the system image. Next time, try using '-sysdir <path> -system <file>' instead.\n" ); |
| opts->sysdir = opts->system; |
| opts->system = opts->image; |
| opts->image = NULL; |
| } |
| else if (opts->system != NULL && path_is_dir(opts->system)) { |
| if (opts->sysdir != NULL) { |
| derror( "Option -system should now be followed by a file path, not a directory one.\n" |
| "Please use '-sysdir <path>' to point to the system directory.\n" ); |
| exit(1); |
| } |
| dwarning( "Please note that the -system option should now be used to point to the initial\n" |
| "system image (like the obsolete -image option). To point to the system directory\n" |
| "please now use '-sysdir <path>' instead.\n" ); |
| |
| opts->sysdir = opts->system; |
| opts->system = NULL; |
| } |
| |
| if (opts->nojni) { |
| opts->no_jni = opts->nojni; |
| opts->nojni = 0; |
| } |
| |
| if (opts->nocache) { |
| opts->no_cache = opts->nocache; |
| opts->nocache = 0; |
| } |
| |
| if (opts->noaudio) { |
| opts->no_audio = opts->noaudio; |
| opts->noaudio = 0; |
| } |
| |
| if (opts->noskin) { |
| opts->no_skin = opts->noskin; |
| opts->noskin = 0; |
| } |
| |
| /* If -no-cache is used, ignore any -cache argument */ |
| if (opts->no_cache) { |
| opts->cache = 0; |
| } |
| |
| /* the purpose of -no-audio is to disable sound output from the emulator, |
| * not to disable Audio emulation. So simply force the 'none' backends */ |
| if (opts->no_audio) |
| opts->audio = "none"; |
| |
| /* we don't accept -skindir without -skin now |
| * to simplify the autoconfig stuff with virtual devices |
| */ |
| if (opts->no_skin) { |
| opts->skin = "320x480"; |
| opts->skindir = NULL; |
| } |
| |
| if (opts->skindir) { |
| if (!opts->skin) { |
| derror( "the -skindir <path> option requires a -skin <name> option"); |
| exit(1); |
| } |
| } |
| |
| if (opts->bootchart) { |
| char* end; |
| int timeout = strtol(opts->bootchart, &end, 10); |
| if (timeout == 0) |
| opts->bootchart = NULL; |
| else if (timeout < 0 || timeout > 15*60) { |
| derror( "timeout specified for -bootchart option is invalid.\n" |
| "please use integers between 1 and 900\n"); |
| exit(1); |
| } |
| } |
| } |
| |
| AvdInfo* createAVD(AndroidOptions* opts, int* inAndroidBuild) |
| { |
| AvdInfo* ret = NULL; |
| char tmp[MAX_PATH]; |
| char* tmpend = tmp + sizeof(tmp); |
| char* android_build_root = NULL; |
| char* android_build_out = NULL; |
| |
| /* If no AVD name was given, try to find the top of the |
| * Android build tree |
| */ |
| if (opts->avd == NULL) { |
| do { |
| char* out = getenv("ANDROID_PRODUCT_OUT"); |
| |
| if (out == NULL || out[0] == 0) |
| break; |
| |
| if (!path_exists(out)) { |
| derror("Can't access ANDROID_PRODUCT_OUT as '%s'\n" |
| "You need to build the Android system before launching the emulator", |
| out); |
| exit(2); |
| } |
| |
| android_build_root = getenv("ANDROID_BUILD_TOP"); |
| if (android_build_root == NULL || android_build_root[0] == 0) |
| break; |
| |
| if (!path_exists(android_build_root)) { |
| derror("Can't find the Android build root '%s'\n" |
| "Please check the definition of the ANDROID_BUILD_TOP variable.\n" |
| "It should point to the root of your source tree.\n", |
| android_build_root ); |
| exit(2); |
| } |
| android_build_out = out; |
| D( "found Android build root: %s", android_build_root ); |
| D( "found Android build out: %s", android_build_out ); |
| } while (0); |
| } |
| /* if no virtual device name is given, and we're not in the |
| * Android build system, we'll need to perform some auto-detection |
| * magic :-) |
| */ |
| if (opts->avd == NULL && !android_build_out) |
| { |
| if (!opts->sysdir) { |
| opts->sysdir = _getSdkImagePath("system.img"); |
| if (!opts->sysdir) { |
| derror( |
| "You did not specify a virtual device name, and the system\n" |
| "directory could not be found.\n\n" |
| "If you are an Android SDK user, please use '@<name>' or '-avd <name>'\n" |
| "to start a given virtual device (use -list-avds to print available ones).\n\n" |
| |
| "Otherwise, follow the instructions in -help-disk-images to start the emulator\n" |
| ); |
| exit(2); |
| } |
| D("autoconfig: -sysdir %s", opts->sysdir); |
| } |
| |
| if (!opts->system) { |
| opts->system = _getSdkSystemImage(opts->sysdir, "-image", "system.img"); |
| D("autoconfig: -system %s", opts->system); |
| } |
| |
| if (!opts->kernel) { |
| opts->kernel = _getSdkSystemImage(opts->sysdir, "-kernel", "kernel-qemu"); |
| D("autoconfig: -kernel %s", opts->kernel); |
| } |
| |
| if (!opts->ramdisk) { |
| opts->ramdisk = _getSdkSystemImage(opts->sysdir, "-ramdisk", "ramdisk.img"); |
| D("autoconfig: -ramdisk %s", opts->ramdisk); |
| } |
| |
| /* if no data directory is specified, use the system directory */ |
| if (!opts->datadir) { |
| opts->datadir = android_strdup(opts->sysdir); |
| D("autoconfig: -datadir %s", opts->sysdir); |
| } |
| |
| if (!opts->data) { |
| /* check for userdata-qemu.img in the data directory */ |
| bufprint(tmp, tmpend, "%s/userdata-qemu.img", opts->datadir); |
| if (!path_exists(tmp)) { |
| derror( |
| "You did not provide the name of an Android Virtual Device\n" |
| "with the '-avd <name>' option. Read -help-avd for more information.\n\n" |
| |
| "If you *really* want to *NOT* run an AVD, consider using '-data <file>'\n" |
| "to specify a data partition image file (I hope you know what you're doing).\n" |
| ); |
| exit(2); |
| } |
| |
| opts->data = android_strdup(tmp); |
| D("autoconfig: -data %s", opts->data); |
| } |
| |
| if (!opts->snapstorage && opts->datadir) { |
| bufprint(tmp, tmpend, "%s/snapshots.img", opts->datadir); |
| if (path_exists(tmp)) { |
| opts->snapstorage = android_strdup(tmp); |
| D("autoconfig: -snapstorage %s", opts->snapstorage); |
| } |
| } |
| } |
| |
| /* setup the virtual device differently depending on whether |
| * we are in the Android build system or not |
| */ |
| if (opts->avd != NULL) |
| { |
| ret = avdInfo_new( opts->avd, android_avdParams ); |
| if (ret == NULL) { |
| /* an error message has already been printed */ |
| dprint("could not find virtual device named '%s'", opts->avd); |
| exit(1); |
| } |
| } |
| else |
| { |
| if (!android_build_out) { |
| android_build_out = android_build_root = opts->sysdir; |
| } |
| ret = avdInfo_newForAndroidBuild( |
| android_build_root, |
| android_build_out, |
| android_avdParams ); |
| |
| if(ret == NULL) { |
| D("could not start virtual device\n"); |
| exit(1); |
| } |
| } |
| |
| if (android_build_out) { |
| *inAndroidBuild = 1; |
| } else { |
| *inAndroidBuild = 0; |
| } |
| |
| return ret; |
| } |
| |
| void handleCommonEmulatorOptions(AndroidOptions* opts, |
| AndroidHwConfig* hw, |
| AvdInfo* avd) { |
| int forceArmv7 = 0; |
| |
| // Kernel options |
| { |
| char* kernelFile = opts->kernel; |
| int kernelFileLen; |
| |
| if (kernelFile == NULL) { |
| kernelFile = avdInfo_getKernelPath(avd); |
| if (kernelFile == NULL) { |
| derror( "This AVD's configuration is missing a kernel file!!" ); |
| const char* sdkRootDir = getenv("ANDROID_SDK_ROOT"); |
| if (sdkRootDir) { |
| derror( "ANDROID_SDK_ROOT is defined (%s) but cannot find kernel file in " |
| "%s" PATH_SEP "system-images" PATH_SEP |
| " sub directories", sdkRootDir, sdkRootDir); |
| } else { |
| derror( "ANDROID_SDK_ROOT is undefined"); |
| } |
| exit(2); |
| } |
| D("autoconfig: -kernel %s", kernelFile); |
| } |
| if (!path_exists(kernelFile)) { |
| derror( "Invalid or missing kernel image file: %s", kernelFile ); |
| exit(2); |
| } |
| |
| hw->kernel_path = kernelFile; |
| |
| /* If the kernel image name ends in "-armv7", then change the cpu |
| * type automatically. This is a poor man's approach to configuration |
| * management, but should allow us to get past building ARMv7 |
| * system images with dex preopt pass without introducing too many |
| * changes to the emulator sources. |
| * |
| * XXX: |
| * A 'proper' change would require adding some sort of hardware-property |
| * to each AVD config file, then automatically determine its value for |
| * full Android builds (depending on some environment variable), plus |
| * some build system changes. I prefer not to do that for now for reasons |
| * of simplicity. |
| */ |
| kernelFileLen = strlen(kernelFile); |
| if (kernelFileLen > 6 && !memcmp(kernelFile + kernelFileLen - 6, "-armv7", 6)) { |
| forceArmv7 = 1; |
| } |
| } |
| |
| /* If the target ABI is armeabi-v7a, we can auto-detect the cpu model |
| * as a cortex-a8, instead of the default (arm926) which only emulates |
| * an ARMv5TE CPU. |
| */ |
| if (!forceArmv7 && hw->hw_cpu_model[0] == '\0') |
| { |
| char* abi = avdInfo_getTargetAbi(avd); |
| if (abi != NULL) { |
| if (!strcmp(abi, "armeabi-v7a")) { |
| forceArmv7 = 1; |
| } |
| AFREE(abi); |
| } |
| } |
| |
| if (forceArmv7 != 0) { |
| reassign_string(&hw->hw_cpu_model, "cortex-a8"); |
| D("Auto-config: -qemu -cpu %s", hw->hw_cpu_model); |
| } |
| |
| char versionString[256]; |
| if (!android_pathProbeKernelVersionString(hw->kernel_path, |
| versionString, |
| sizeof(versionString))) { |
| derror("Can't find 'Linux version ' string in kernel image file: %s", |
| hw->kernel_path); |
| exit(2); |
| } |
| |
| KernelVersion kernelVersion = 0; |
| if (!android_parseLinuxVersionString(versionString, &kernelVersion)) { |
| derror("Can't parse 'Linux version ' string in kernel image file: '%s'", |
| versionString); |
| exit(2); |
| } |
| |
| // Auto-detect kernel device naming scheme if needed. |
| if (androidHwConfig_getKernelDeviceNaming(hw) < 0) { |
| const char* newDeviceNaming = "no"; |
| if (kernelVersion >= KERNEL_VERSION_3_10_0) { |
| D("Auto-detect: Kernel image requires new device naming scheme."); |
| newDeviceNaming = "yes"; |
| } else { |
| D("Auto-detect: Kernel image requires legacy device naming scheme."); |
| } |
| reassign_string(&hw->kernel_newDeviceNaming, newDeviceNaming); |
| } |
| |
| // Auto-detect YAFFS2 partition support if needed. |
| if (androidHwConfig_getKernelYaffs2Support(hw) < 0) { |
| // Essentially, anything before API level 20 supports Yaffs2 |
| const char* newYaffs2Support = "no"; |
| if (avdInfo_getApiLevel(avd) < 20) { |
| newYaffs2Support = "yes"; |
| D("Auto-detect: Kernel does support YAFFS2 partitions."); |
| } else { |
| D("Auto-detect: Kernel does not support YAFFS2 partitions."); |
| } |
| reassign_string(&hw->kernel_supportsYaffs2, newYaffs2Support); |
| } |
| |
| /* opts->ramdisk is never NULL (see createAVD) here */ |
| if (opts->ramdisk) { |
| reassign_string(&hw->disk_ramdisk_path, opts->ramdisk); |
| } |
| else if (!hw->disk_ramdisk_path[0]) { |
| hw->disk_ramdisk_path = avdInfo_getRamdiskPath(avd); |
| D("autoconfig: -ramdisk %s", hw->disk_ramdisk_path); |
| } |
| |
| /* -partition-size is used to specify the max size of both the system |
| * and data partition sizes. |
| */ |
| uint64_t defaultPartitionSize = convertMBToBytes(200); |
| |
| if (opts->partition_size) { |
| char* end; |
| long sizeMB = strtol(opts->partition_size, &end, 0); |
| long minSizeMB = 10; |
| long maxSizeMB = LONG_MAX / ONE_MB; |
| |
| if (sizeMB < 0 || *end != 0) { |
| derror( "-partition-size must be followed by a positive integer" ); |
| exit(1); |
| } |
| if (sizeMB < minSizeMB || sizeMB > maxSizeMB) { |
| derror( "partition-size (%d) must be between %dMB and %dMB", |
| sizeMB, minSizeMB, maxSizeMB ); |
| exit(1); |
| } |
| defaultPartitionSize = (uint64_t) sizeMB * ONE_MB; |
| } |
| |
| |
| /** SYSTEM PARTITION **/ |
| |
| if (opts->sysdir == NULL) { |
| if (avdInfo_inAndroidBuild(avd)) { |
| opts->sysdir = ASTRDUP(avdInfo_getContentPath(avd)); |
| D("autoconfig: -sysdir %s", opts->sysdir); |
| } |
| } |
| |
| if (opts->sysdir != NULL) { |
| if (!path_exists(opts->sysdir)) { |
| derror("Directory does not exist: %s", opts->sysdir); |
| exit(1); |
| } |
| } |
| |
| { |
| char* rwImage = NULL; |
| char* initImage = NULL; |
| |
| do { |
| if (opts->system == NULL) { |
| /* If -system is not used, try to find a runtime system image |
| * (i.e. system-qemu.img) in the content directory. |
| */ |
| rwImage = avdInfo_getSystemImagePath(avd); |
| if (rwImage != NULL) { |
| break; |
| } |
| /* Otherwise, try to find the initial system image */ |
| initImage = avdInfo_getSystemInitImagePath(avd); |
| if (initImage == NULL) { |
| derror("No initial system image for this configuration!"); |
| exit(1); |
| } |
| break; |
| } |
| |
| /* If -system <name> is used, use it to find the initial image */ |
| if (opts->sysdir != NULL && !path_exists(opts->system)) { |
| initImage = _getFullFilePath(opts->sysdir, opts->system); |
| } else { |
| initImage = ASTRDUP(opts->system); |
| } |
| if (!path_exists(initImage)) { |
| derror("System image file doesn't exist: %s", initImage); |
| exit(1); |
| } |
| |
| } while (0); |
| |
| if (rwImage != NULL) { |
| /* Use the read/write image file directly */ |
| hw->disk_systemPartition_path = rwImage; |
| hw->disk_systemPartition_initPath = NULL; |
| D("Using direct system image: %s", rwImage); |
| } else if (initImage != NULL) { |
| hw->disk_systemPartition_path = NULL; |
| hw->disk_systemPartition_initPath = initImage; |
| D("Using initial system image: %s", initImage); |
| } |
| |
| /* Check the size of the system partition image. |
| * If we have an AVD, it must be smaller than |
| * the disk.systemPartition.size hardware property. |
| * |
| * Otherwise, we need to adjust the systemPartitionSize |
| * automatically, and print a warning. |
| * |
| */ |
| const char* systemImage = hw->disk_systemPartition_path; |
| uint64_t systemBytes; |
| |
| if (systemImage == NULL) |
| systemImage = hw->disk_systemPartition_initPath; |
| |
| if (path_get_size(systemImage, &systemBytes) < 0) { |
| derror("Missing system image: %s", systemImage); |
| exit(1); |
| } |
| |
| hw->disk_systemPartition_size = |
| _adjustPartitionSize("system", systemBytes, defaultPartitionSize, |
| avdInfo_inAndroidBuild(avd)); |
| } |
| |
| /** DATA PARTITION **/ |
| |
| if (opts->datadir) { |
| if (!path_exists(opts->datadir)) { |
| derror("Invalid -datadir directory: %s", opts->datadir); |
| } |
| } |
| |
| { |
| char* dataImage = NULL; |
| char* initImage = NULL; |
| |
| do { |
| if (!opts->data) { |
| dataImage = avdInfo_getDataImagePath(avd); |
| if (dataImage != NULL) { |
| D("autoconfig: -data %s", dataImage); |
| break; |
| } |
| dataImage = avdInfo_getDefaultDataImagePath(avd); |
| if (dataImage == NULL) { |
| derror("No data image path for this configuration!"); |
| exit (1); |
| } |
| opts->wipe_data = 1; |
| break; |
| } |
| |
| if (opts->datadir) { |
| dataImage = _getFullFilePath(opts->datadir, opts->data); |
| } else { |
| dataImage = ASTRDUP(opts->data); |
| } |
| } while (0); |
| |
| if (opts->initdata != NULL) { |
| initImage = ASTRDUP(opts->initdata); |
| if (!path_exists(initImage)) { |
| derror("Invalid initial data image path: %s", initImage); |
| exit(1); |
| } |
| } else { |
| initImage = avdInfo_getDataInitImagePath(avd); |
| D("autoconfig: -initdata %s", initImage); |
| } |
| |
| hw->disk_dataPartition_path = dataImage; |
| if (opts->wipe_data) { |
| hw->disk_dataPartition_initPath = initImage; |
| } else { |
| hw->disk_dataPartition_initPath = NULL; |
| } |
| android_op_wipe_data = opts->wipe_data; |
| |
| uint64_t defaultBytes = |
| hw->disk_dataPartition_size == 0 ? |
| defaultPartitionSize : |
| hw->disk_dataPartition_size; |
| uint64_t dataBytes; |
| const char* dataPath = hw->disk_dataPartition_initPath; |
| |
| if (dataPath == NULL) |
| dataPath = hw->disk_dataPartition_path; |
| |
| path_get_size(dataPath, &dataBytes); |
| |
| hw->disk_dataPartition_size = |
| _adjustPartitionSize("data", dataBytes, defaultBytes, |
| avdInfo_inAndroidBuild(avd)); |
| } |
| |
| /** CACHE PARTITION **/ |
| |
| if (opts->no_cache) { |
| /* No cache partition at all */ |
| hw->disk_cachePartition = 0; |
| } |
| else if (!hw->disk_cachePartition) { |
| if (opts->cache) { |
| dwarning( "Emulated hardware doesn't support a cache partition. -cache option ignored!" ); |
| opts->cache = NULL; |
| } |
| } |
| else |
| { |
| if (!opts->cache) { |
| /* Find the current cache partition file */ |
| opts->cache = avdInfo_getCachePath(avd); |
| if (opts->cache == NULL) { |
| /* The file does not exists, we will force its creation |
| * if we are not in the Android build system. Otherwise, |
| * a temporary file will be used. |
| */ |
| if (!avdInfo_inAndroidBuild(avd)) { |
| opts->cache = avdInfo_getDefaultCachePath(avd); |
| } |
| } |
| if (opts->cache) { |
| D("autoconfig: -cache %s", opts->cache); |
| } |
| } |
| |
| if (opts->cache) { |
| hw->disk_cachePartition_path = ASTRDUP(opts->cache); |
| } |
| } |
| |
| if (hw->disk_cachePartition_path && opts->cache_size) { |
| /* Set cache partition size per user options. */ |
| char* end; |
| long sizeMB = strtol(opts->cache_size, &end, 0); |
| |
| if (sizeMB < 0 || *end != 0) { |
| derror( "-cache-size must be followed by a positive integer" ); |
| exit(1); |
| } |
| hw->disk_cachePartition_size = (uint64_t) sizeMB * ONE_MB; |
| } |
| |
| /** SD CARD PARTITION */ |
| |
| if (!hw->hw_sdCard) { |
| /* No SD Card emulation, so -sdcard will be ignored */ |
| if (opts->sdcard) { |
| dwarning( "Emulated hardware doesn't support SD Cards. -sdcard option ignored." ); |
| opts->sdcard = NULL; |
| } |
| } else { |
| /* Auto-configure -sdcard if it is not available */ |
| if (!opts->sdcard) { |
| do { |
| /* If -datadir <path> is used, look for a sdcard.img file here */ |
| if (opts->datadir) { |
| char tmp[PATH_MAX], *tmpend = tmp + sizeof(tmp); |
| bufprint(tmp, tmpend, "%s/%s", opts->datadir, "system.img"); |
| if (path_exists(tmp)) { |
| opts->sdcard = strdup(tmp); |
| break; |
| } |
| } |
| |
| /* Otherwise, look at the AVD's content */ |
| opts->sdcard = avdInfo_getSdCardPath(avd); |
| if (opts->sdcard != NULL) { |
| break; |
| } |
| |
| /* Nothing */ |
| } while (0); |
| |
| if (opts->sdcard) { |
| D("autoconfig: -sdcard %s", opts->sdcard); |
| } |
| } |
| } |
| |
| if(opts->sdcard) { |
| uint64_t size; |
| if (path_get_size(opts->sdcard, &size) == 0) { |
| /* see if we have an sdcard image. get its size if it exists */ |
| /* due to what looks like limitations of the MMC protocol, one has |
| * to use an SD Card image that is equal or larger than 9 MB |
| */ |
| if (size < 9*1024*1024ULL) { |
| fprintf(stderr, "### WARNING: SD Card files must be at least 9MB, ignoring '%s'\n", opts->sdcard); |
| } else { |
| hw->hw_sdCard_path = ASTRDUP(opts->sdcard); |
| } |
| } else { |
| dwarning("no SD Card image at '%s'", opts->sdcard); |
| } |
| } |
| |
| if (opts->selinux) { |
| if ((strcmp(opts->selinux, "permissive") != 0) |
| && (strcmp(opts->selinux, "disabled") != 0)) { |
| derror("-selinux must be \"disabled\" or \"permissive\""); |
| exit(1); |
| } |
| |
| // SELinux 'disabled' mode is no longer supported starting with M. |
| // See https://android-review.googlesource.com/#/c/148538/ |
| const int kSELinuxWithoutDisabledApiLevel = 23; |
| if (!strcmp(opts->selinux, "disabled") && |
| avdInfo_getApiLevel(avd) >= kSELinuxWithoutDisabledApiLevel) { |
| dwarning("SELinux 'disabled' is no longer supported starting " |
| "with API level %d, switching to 'permissive'", |
| kSELinuxWithoutDisabledApiLevel); |
| opts->selinux = "permissive"; |
| } |
| } |
| |
| if (opts->memory) { |
| char* end; |
| long ramSize = strtol(opts->memory, &end, 0); |
| if (ramSize < 0 || *end != 0) { |
| derror( "-memory must be followed by a positive integer" ); |
| exit(1); |
| } |
| if (ramSize < 32 || ramSize > 4096) { |
| derror( "physical memory size must be between 32 and 4096 MB" ); |
| exit(1); |
| } |
| hw->hw_ramSize = ramSize; |
| } else { |
| int ramSize = hw->hw_ramSize; |
| if (ramSize <= 0) { |
| /* Compute the default RAM size based on the size of screen. |
| * This is only used when the skin doesn't provide the ram |
| * size through its hardware.ini (i.e. legacy ones) or when |
| * in the full Android build system. |
| */ |
| int64_t pixels = hw->hw_lcd_width * hw->hw_lcd_height; |
| /* The following thresholds are a bit liberal, but we |
| * essentially want to ensure the following mappings: |
| * |
| * 320x480 -> 96 |
| * 800x600 -> 128 |
| * 1024x768 -> 256 |
| * |
| * These are just simple heuristics, they could change in |
| * the future. |
| */ |
| if (pixels <= 250000) |
| ramSize = 96; |
| else if (pixels <= 500000) |
| ramSize = 128; |
| else |
| ramSize = 256; |
| } |
| hw->hw_ramSize = ramSize; |
| } |
| |
| // For recent system versions, ensure a minimum of 1GB or memory, anything |
| // lower is very painful during the boot process and after that. |
| if (hw->hw_ramSize < 1024 && avdInfo_getApiLevel(avd) >= 21) { |
| dwarning("Increasing RAM size to 1GB"); |
| hw->hw_ramSize = 1024; |
| } |
| |
| D("Physical RAM size: %dMB\n", hw->hw_ramSize); |
| } |
| |
| bool handleCpuAcceleration(AndroidOptions* opts, AvdInfo* avd, |
| CpuAccelMode* accel_mode, char* accel_status) { |
| /* Handle CPU acceleration options. */ |
| if (opts->no_accel) { |
| if (opts->accel) { |
| if (strcmp(opts->accel, "off") != 0) { |
| derror("You cannot use -no-accel and '-accel %s' at the same time", |
| opts->accel); |
| exit(1); |
| } |
| } else { |
| reassign_string(&opts->accel, "off"); |
| } |
| } |
| |
| *accel_mode = ACCEL_AUTO; |
| if (opts->accel) { |
| if (!strcmp(opts->accel, "off")) { |
| *accel_mode = ACCEL_OFF; |
| } else if (!strcmp(opts->accel, "on")) { |
| *accel_mode = ACCEL_ON; |
| } else if (!strcmp(opts->accel, "auto")) { |
| *accel_mode = ACCEL_AUTO; |
| } else { |
| derror("Invalid '-accel %s' parameter, valid values are: on off auto\n", |
| opts->accel); |
| exit(1); |
| } |
| } |
| |
| bool accel_ok = android_hasCpuAcceleration(&accel_status); |
| // Dump CPU acceleration status. |
| if (VERBOSE_CHECK(init)) { |
| const char* accel_str = "DISABLED"; |
| if (accel_ok) { |
| if (*accel_mode == ACCEL_OFF) { |
| accel_str = "working, but disabled by user"; |
| } else { |
| accel_str = "working"; |
| } |
| } |
| dprint("CPU Acceleration: %s", accel_str); |
| dprint("CPU Acceleration status: %s", accel_status); |
| } |
| |
| // Special case: x86/x86_64 emulation currently requires hardware |
| // acceleration, so refuse to start in 'auto' mode if it is not |
| // available. |
| { |
| char* abi = avdInfo_getTargetAbi(avd); |
| if (!strncmp(abi, "x86", 3)) { |
| if (!accel_ok && *accel_mode != ACCEL_OFF) { |
| derror("%s emulation currently requires hardware acceleration!\n" |
| "Please ensure %s is properly installed and usable.\n" |
| "CPU acceleration status: %s", |
| abi, kAccelerator, accel_status); |
| exit(1); |
| } |
| else if (*accel_mode == ACCEL_OFF) { |
| // '-no-accel' of '-accel off' was used explicitly. Warn about |
| // the issue but do not exit. |
| dwarning("%s emulation may not work without hardware acceleration!", abi); |
| } |
| else { |
| /* CPU acceleration is enabled and working, but if the host CPU |
| * does not support all instruction sets specified in the x86/ |
| * x86_64 ABI, emulation may fail on unsupported instructions. |
| * Therefore, check the capabilities of the host CPU and warn |
| * the user if any required features are missing. */ |
| uint32_t ecx = 0; |
| char buf[64], *p = buf, * const end = p + sizeof(buf); |
| |
| /* Execute CPUID instruction with EAX=1 and ECX=0 to get CPU |
| * feature bits (stored in EDX, ECX and EBX). */ |
| android_get_x86_cpuid(1, 0, NULL, NULL, &ecx, NULL); |
| |
| /* Theoretically, MMX and SSE/2/3 should be checked as well, but |
| * CPU models that do not support them are probably too old to |
| * run Android emulator. */ |
| if (!(ecx & CPUID_ECX_SSSE3)) { |
| p = bufprint(p, end, " SSSE3"); |
| } |
| if (!strcmp(abi, "x86_64")) { |
| if (!(ecx & CPUID_ECX_SSE41)) { |
| p = bufprint(p, end, " SSE4.1"); |
| } |
| if (!(ecx & CPUID_ECX_SSE42)) { |
| p = bufprint(p, end, " SSE4.2"); |
| } |
| if (!(ecx & CPUID_ECX_POPCNT)) { |
| p = bufprint(p, end, " POPCNT"); |
| } |
| } |
| |
| if (p > buf) { |
| /* Using dwarning(..) would cause this message to be written |
| * to stdout and filtered out by AVD Manager. But we want |
| * the AVD Manager user to see this warning, so we resort to |
| * fprintf(..). */ |
| fprintf(stderr, "emulator: WARNING: Host CPU is missing the" |
| " following feature(s) required for %s emulation:%s" |
| "\nHardware-accelerated emulation may not work" |
| " properly!\n", abi, buf); |
| } |
| } |
| } |
| AFREE(abi); |
| } |
| return accel_ok; |
| } |
