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qemu-android / qemu-android / 6bd10928e498d4bc2bc7b130edd4072d7c6b460a / . / vl.c
blob: ad240dd5ac71e129e22f26253621d2496d02285b [file] [log] [blame]
/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
#include <sys/time.h>
#include "config-host.h"
#ifdef CONFIG_SECCOMP
#include "sysemu/seccomp.h"
#endif
#if defined(CONFIG_VDE)
#include <libvdeplug.h>
#endif
#include <glib.h>
#include "qemu/sockets.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "sysemu/accel.h"
#include "hw/usb.h"
#include "hw/i386/pc.h"
#include "hw/isa/isa.h"
#include "hw/bt.h"
#include "sysemu/watchdog.h"
#include "hw/i386/smbios.h"
#include "hw/xen/xen.h"
#include "hw/qdev.h"
#include "hw/loader.h"
#include "hw/display/goldfish_fb.h"
#include "monitor/qdev.h"
#include "sysemu/bt.h"
#include "net/net.h"
#include "net/slirp.h"
#include "monitor/monitor.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
#include "exec/gdbstub.h"
#include "qemu/timer.h"
#include "sysemu/char.h"
#include "qemu/bitmap.h"
#include "sysemu/blockdev.h"
#include "hw/block/block.h"
#include "migration/block.h"
#include "sysemu/tpm.h"
#include "sysemu/dma.h"
#include "audio/audio.h"
#include "migration/migration.h"
#include "sysemu/kvm.h"
#include "sysemu/hax.h"
#include "qapi/qmp/qjson.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
#include "qemu-options.h"
#include "qmp-commands.h"
#include "qemu/main-loop.h"
#ifdef CONFIG_VIRTFS
#include "fsdev/qemu-fsdev.h"
#endif
#include "sysemu/qtest.h"
#include "disas/disas.h"
#include "slirp/libslirp.h"
#include "trace.h"
#include "trace/control.h"
#include "qemu/queue.h"
#include "sysemu/cpus.h"
#include "sysemu/arch_init.h"
#include "qemu/osdep.h"
#include "ui/qemu-spice.h"
#include "qapi/string-input-visitor.h"
#include "qapi/opts-visitor.h"
#include "qom/object_interfaces.h"
#include "qapi-event.h"
#ifdef CONFIG_ANDROID
#include "config.h"
#include "android/boot-properties.h"
#include "android/error-messages.h"
#include "android/crashreport/crash-handler.h"
#include "android/emulation/bufprint_config_dirs.h"
#include "android/metrics/metrics.h"
#include "android/update-check/update_check.h"
#include "android/utils/async.h"
#include "android/utils/debug.h"
#include "android/utils/path.h"
#include "android/utils/property_file.h"
#include "android/utils/lineinput.h"
#include "android/utils/bufprint.h"
#include "android/utils/filelock.h"
#include "android/utils/ini.h"
#include "android/utils/tempfile.h"
#include "android/utils/timezone.h"
#include "android/skin/winsys.h"
#include "android/main-common.h"
#include "android/multitouch-port.h"
#include "android/network/control.h"
#include "android/network/globals.h"
#include "android/opengl/emugl_config.h"
#include "android/ui-emu-agent.h"
#include "android/globals.h"
#include "android/help.h"
#include "android-qemu2-glue/looper-qemu.h"
#include "android/gps.h"
#include "android/telephony/modem_driver.h"
#include "android/hw-control.h"
#include "android/hw-qemud.h"
#include "android/utils/socket_drainer.h"
#include "android/wear-agent/android_wear_agent.h"
#include "android-qemu2-glue/android_qemud.h"
#include "android-qemu2-glue/qemu-control-impl.h"
#include "android-qemu2-glue/qemu-setup.h"
#include "android/snapshot.h"
#include "android/snaphost-android.h"
#include "android/android.h"
#include "android/camera/camera-service.h"
#include "android/version.h"
#include "hw/input/goldfish_events.h"
// this path has to be relative as AndroidEmu include paths go after the qemu2
// ones, and android/opengles.h resolves to the very same this file
#include "../qemu/android/opengles.h"
#define QEMU_CORE_VERSION "qemu2 " QEMU_VERSION
int android_display_width = 640;
int android_display_height = 480;
/////////////////////////////////////////////////////////////
#define LCD_DENSITY_LDPI 120
#define LCD_DENSITY_MDPI 160
#define LCD_DENSITY_TVDPI 213
#define LCD_DENSITY_HDPI 240
#define LCD_DENSITY_280DPI 280
#define LCD_DENSITY_XHDPI 320
#define LCD_DENSITY_360DPI 360
#define LCD_DENSITY_400DPI 400
#define LCD_DENSITY_420DPI 420
#define LCD_DENSITY_XXHDPI 480
#define LCD_DENSITY_560DPI 560
#define LCD_DENSITY_XXXHDPI 640
extern bool android_op_wipe_data;
#endif // CONFIG_ANDROID
#define DEFAULT_RAM_SIZE 128
#define MAX_VIRTIO_CONSOLES 1
#define MAX_SCLP_CONSOLES 1
#define QCOW2_SUFFIX "qcow2"
static const char *data_dir[16];
static int data_dir_idx;
const char *bios_name = NULL;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
DisplayType display_type = DT_DEFAULT;
static int display_remote;
const char* keyboard_layout = NULL;
ram_addr_t ram_size;
const char *mem_path = NULL;
int mem_prealloc = 0; /* force preallocation of physical target memory */
bool enable_mlock = false;
int nb_nics;
NICInfo nd_table[MAX_NICS];
int autostart;
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
QEMUClockType rtc_clock;
int vga_interface_type = VGA_NONE;
static int full_screen = 0;
static int no_frame = 0;
int no_quit = 0;
#ifdef CONFIG_GTK
static bool grab_on_hover;
#endif
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
int win2k_install_hack = 0;
int singlestep = 0;
int smp_cpus = 1;
int max_cpus = 0;
int smp_cores = 1;
int smp_threads = 1;
#ifdef CONFIG_VNC
const char *vnc_display;
#endif
int acpi_enabled = 1;
int no_hpet = 0;
int fd_bootchk = 1;
static int no_reboot;
int no_shutdown = 0;
int cursor_hide = 1;
int graphic_rotate = 0;
#ifdef CONFIG_ANDROID
char* android_op_dns_server = NULL;
int lcd_density = LCD_DENSITY_MDPI;
extern char* op_http_proxy;
extern char* android_op_ports;
extern int android_op_ports_numbers[2];
extern char* android_op_report_console;
#endif // CONFIG_ANDROID
const char *watchdog;
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
int old_param = 0;
const char *qemu_name;
int alt_grab = 0;
int ctrl_grab = 0;
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
int boot_menu;
bool boot_strict;
uint8_t *boot_splash_filedata;
size_t boot_splash_filedata_size;
uint8_t qemu_extra_params_fw[2];
int icount_align_option;
int nb_numa_nodes;
int max_numa_nodeid;
NodeInfo numa_info[MAX_NODES];
/* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
* little-endian "wire format" described in the SMBIOS 2.6 specification.
*/
uint8_t qemu_uuid[16];
bool qemu_uuid_set;
static QEMUBootSetHandler *boot_set_handler;
static void *boot_set_opaque;
static NotifierList exit_notifiers =
NOTIFIER_LIST_INITIALIZER(exit_notifiers);
static NotifierList machine_init_done_notifiers =
NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
bool xen_allowed;
uint32_t xen_domid;
enum xen_mode xen_mode = XEN_EMULATE;
static int has_defaults = 1;
static int default_serial = 1;
static int default_parallel = 1;
static int default_virtcon = 1;
static int default_sclp = 1;
static int default_monitor = 1;
static int default_floppy = 1;
static int default_cdrom = 1;
static int default_sdcard = 1;
static int default_vga = 1;
static struct {
const char *driver;
int *flag;
} default_list[] = {
{ .driver = "isa-serial", .flag = &default_serial },
{ .driver = "isa-parallel", .flag = &default_parallel },
{ .driver = "isa-fdc", .flag = &default_floppy },
{ .driver = "ide-cd", .flag = &default_cdrom },
{ .driver = "ide-hd", .flag = &default_cdrom },
{ .driver = "ide-drive", .flag = &default_cdrom },
{ .driver = "scsi-cd", .flag = &default_cdrom },
{ .driver = "virtio-serial-pci", .flag = &default_virtcon },
{ .driver = "virtio-serial-s390", .flag = &default_virtcon },
{ .driver = "virtio-serial", .flag = &default_virtcon },
{ .driver = "VGA", .flag = &default_vga },
{ .driver = "isa-vga", .flag = &default_vga },
{ .driver = "cirrus-vga", .flag = &default_vga },
{ .driver = "isa-cirrus-vga", .flag = &default_vga },
{ .driver = "vmware-svga", .flag = &default_vga },
{ .driver = "qxl-vga", .flag = &default_vga },
};
static QemuOptsList qemu_rtc_opts = {
.name = "rtc",
.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
.desc = {
{
.name = "base",
.type = QEMU_OPT_STRING,
},{
.name = "clock",
.type = QEMU_OPT_STRING,
},{
.name = "driftfix",
.type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_sandbox_opts = {
.name = "sandbox",
.implied_opt_name = "enable",
.head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
.desc = {
{
.name = "enable",
.type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_trace_opts = {
.name = "trace",
.implied_opt_name = "trace",
.head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
.desc = {
{
.name = "events",
.type = QEMU_OPT_STRING,
},{
.name = "file",
.type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_option_rom_opts = {
.name = "option-rom",
.implied_opt_name = "romfile",
.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
.desc = {
{
.name = "bootindex",
.type = QEMU_OPT_NUMBER,
}, {
.name = "romfile",
.type = QEMU_OPT_STRING,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_machine_opts = {
.name = "machine",
.implied_opt_name = "type",
.merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
.desc = {
{
.name = "type",
.type = QEMU_OPT_STRING,
.help = "emulated machine"
}, {
.name = "accel",
.type = QEMU_OPT_STRING,
.help = "accelerator list",
}, {
.name = "kernel_irqchip",
.type = QEMU_OPT_BOOL,
.help = "use KVM in-kernel irqchip",
}, {
.name = "kvm_shadow_mem",
.type = QEMU_OPT_SIZE,
.help = "KVM shadow MMU size",
}, {
.name = "kernel",
.type = QEMU_OPT_STRING,
.help = "Linux kernel image file",
}, {
.name = "initrd",
.type = QEMU_OPT_STRING,
.help = "Linux initial ramdisk file",
}, {
.name = "append",
.type = QEMU_OPT_STRING,
.help = "Linux kernel command line",
}, {
.name = "dtb",
.type = QEMU_OPT_STRING,
.help = "Linux kernel device tree file",
}, {
.name = "dumpdtb",
.type = QEMU_OPT_STRING,
.help = "Dump current dtb to a file and quit",
}, {
.name = "phandle_start",
.type = QEMU_OPT_NUMBER,
.help = "The first phandle ID we may generate dynamically",
}, {
.name = "dt_compatible",
.type = QEMU_OPT_STRING,
.help = "Overrides the \"compatible\" property of the dt root node",
}, {
.name = "dump-guest-core",
.type = QEMU_OPT_BOOL,
.help = "Include guest memory in a core dump",
}, {
.name = "mem-merge",
.type = QEMU_OPT_BOOL,
.help = "enable/disable memory merge support",
},{
.name = "usb",
.type = QEMU_OPT_BOOL,
.help = "Set on/off to enable/disable usb",
},{
.name = "firmware",
.type = QEMU_OPT_STRING,
.help = "firmware image",
},{
.name = "kvm-type",
.type = QEMU_OPT_STRING,
.help = "Specifies the KVM virtualization mode (HV, PR)",
},{
.name = PC_MACHINE_MAX_RAM_BELOW_4G,
.type = QEMU_OPT_SIZE,
.help = "maximum ram below the 4G boundary (32bit boundary)",
}, {
.name = PC_MACHINE_VMPORT,
.type = QEMU_OPT_STRING,
.help = "Enable vmport (pc & q35)",
},{
.name = "iommu",
.type = QEMU_OPT_BOOL,
.help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
},
{ /* End of list */ }
},
};
static QemuOptsList qemu_boot_opts = {
.name = "boot-opts",
.implied_opt_name = "order",
.merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
.desc = {
{
.name = "order",
.type = QEMU_OPT_STRING,
}, {
.name = "once",
.type = QEMU_OPT_STRING,
}, {
.name = "menu",
.type = QEMU_OPT_BOOL,
}, {
.name = "splash",
.type = QEMU_OPT_STRING,
}, {
.name = "splash-time",
.type = QEMU_OPT_STRING,
}, {
.name = "reboot-timeout",
.type = QEMU_OPT_STRING,
}, {
.name = "strict",
.type = QEMU_OPT_BOOL,
},
{ /*End of list */ }
},
};
static QemuOptsList qemu_add_fd_opts = {
.name = "add-fd",
.head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
.desc = {
{
.name = "fd",
.type = QEMU_OPT_NUMBER,
.help = "file descriptor of which a duplicate is added to fd set",
},{
.name = "set",
.type = QEMU_OPT_NUMBER,
.help = "ID of the fd set to add fd to",
},{
.name = "opaque",
.type = QEMU_OPT_STRING,
.help = "free-form string used to describe fd",
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_object_opts = {
.name = "object",
.implied_opt_name = "qom-type",
.head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
.desc = {
{ }
},
};
static QemuOptsList qemu_tpmdev_opts = {
.name = "tpmdev",
.implied_opt_name = "type",
.head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
.desc = {
/* options are defined in the TPM backends */
{ /* end of list */ }
},
};
static QemuOptsList qemu_realtime_opts = {
.name = "realtime",
.head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
.desc = {
{
.name = "mlock",
.type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_msg_opts = {
.name = "msg",
.head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
.desc = {
{
.name = "timestamp",
.type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_name_opts = {
.name = "name",
.implied_opt_name = "guest",
.merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
.desc = {
{
.name = "guest",
.type = QEMU_OPT_STRING,
.help = "Sets the name of the guest.\n"
"This name will be displayed in the SDL window caption.\n"
"The name will also be used for the VNC server",
}, {
.name = "process",
.type = QEMU_OPT_STRING,
.help = "Sets the name of the QEMU process, as shown in top etc",
}, {
.name = "debug-threads",
.type = QEMU_OPT_BOOL,
.help = "When enabled, name the individual threads; defaults off.\n"
"NOTE: The thread names are for debugging and not a\n"
"stable API.",
},
{ /* End of list */ }
},
};
static QemuOptsList qemu_mem_opts = {
.name = "memory",
.implied_opt_name = "size",
.head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
.merge_lists = true,
.desc = {
{
.name = "size",
.type = QEMU_OPT_SIZE,
},
{
.name = "slots",
.type = QEMU_OPT_NUMBER,
},
{
.name = "maxmem",
.type = QEMU_OPT_SIZE,
},
{ /* end of list */ }
},
};
static QemuOptsList qemu_icount_opts = {
.name = "icount",
.implied_opt_name = "shift",
.merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
.desc = {
{
.name = "shift",
.type = QEMU_OPT_STRING,
}, {
.name = "align",
.type = QEMU_OPT_BOOL,
},
{ /* end of list */ }
},
};
#ifdef CONFIG_ANDROID
// Save System boot parameters from the command line
#define MAX_N_CMD_PROPS 16
static const char* cmd_props[MAX_N_CMD_PROPS];
static int n_cmd_props = 0;
static void save_cmd_property(const char* propStr) {
if (n_cmd_props >= MAX_N_CMD_PROPS) {
fprintf(stderr, "Too many command-line boot properties. "
"This property is ignored: \"%s\"\n", propStr);
return;
}
cmd_props[n_cmd_props++] = propStr;
}
// Provide the saved System boot parameters from the command line
static void process_cmd_properties(void) {
int idx;
for(idx = 0; idx < n_cmd_props; idx++) {
// The string should be of the form
// "keyname=value"
const char* pkey = cmd_props[idx];
const char* peq = strchr(pkey, '=');
if (peq) {
// Pass ptr and length for both parts
boot_property_add2(pkey, (peq - pkey),
peq + 1, strlen(peq + 1));
}
}
}
#endif // CONFIG_ANDROID
/**
* Get machine options
*
* Returns: machine options (never null).
*/
QemuOpts *qemu_get_machine_opts(void)
{
return qemu_find_opts_singleton("machine");
}
const char *qemu_get_vm_name(void)
{
return qemu_name;
}
static void res_free(void)
{
if (boot_splash_filedata != NULL) {
g_free(boot_splash_filedata);
boot_splash_filedata = NULL;
}
}
static int default_driver_check(QemuOpts *opts, void *opaque)
{
const char *driver = qemu_opt_get(opts, "driver");
int i;
if (!driver)
return 0;
for (i = 0; i < ARRAY_SIZE(default_list); i++) {
if (strcmp(default_list[i].driver, driver) != 0)
continue;
*(default_list[i].flag) = 0;
}
return 0;
}
/***********************************************************/
/* QEMU state */
static RunState current_run_state = RUN_STATE_PRELAUNCH;
/* We use RUN_STATE_MAX but any invalid value will do */
static RunState vmstop_requested = RUN_STATE_MAX;
static QemuMutex vmstop_lock;
typedef struct {
RunState from;
RunState to;
} RunStateTransition;
static const RunStateTransition runstate_transitions_def[] = {
/* from -> to */
{ RUN_STATE_DEBUG, RUN_STATE_RUNNING },
{ RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
{ RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_PAUSED, RUN_STATE_RUNNING },
{ RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
{ RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
{ RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
{ RUN_STATE_RUNNING, RUN_STATE_DEBUG },
{ RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
{ RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
{ RUN_STATE_RUNNING, RUN_STATE_PAUSED },
{ RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
{ RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
{ RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
{ RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
{ RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
{ RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
{ RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
{ RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
{ RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
{ RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
{ RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
{ RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_MAX, RUN_STATE_MAX },
};
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
bool runstate_check(RunState state)
{
return current_run_state == state;
}
static void runstate_init(void)
{
const RunStateTransition *p;
memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
runstate_valid_transitions[p->from][p->to] = true;
}
qemu_mutex_init(&vmstop_lock);
}
/* This function will abort() on invalid state transitions */
void runstate_set(RunState new_state)
{
assert(new_state < RUN_STATE_MAX);
if (!runstate_valid_transitions[current_run_state][new_state]) {
fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
RunState_lookup[current_run_state],
RunState_lookup[new_state]);
abort();
}
trace_runstate_set(new_state);
current_run_state = new_state;
}
int runstate_is_running(void)
{
return runstate_check(RUN_STATE_RUNNING);
}
bool runstate_needs_reset(void)
{
return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN);
}
StatusInfo *qmp_query_status(Error **errp)
{
StatusInfo *info = g_malloc0(sizeof(*info));
info->running = runstate_is_running();
info->singlestep = singlestep;
info->status = current_run_state;
return info;
}
static bool qemu_vmstop_requested(RunState *r)
{
qemu_mutex_lock(&vmstop_lock);
*r = vmstop_requested;
vmstop_requested = RUN_STATE_MAX;
qemu_mutex_unlock(&vmstop_lock);
return *r < RUN_STATE_MAX;
}
void qemu_system_vmstop_request_prepare(void)
{
qemu_mutex_lock(&vmstop_lock);
}
void qemu_system_vmstop_request(RunState state)
{
vmstop_requested = state;
qemu_mutex_unlock(&vmstop_lock);
qemu_notify_event();
}
#ifdef CONFIG_ANDROID
static int create_qcow2_images() {
/* First, determine if any of the backing images have been altered.
* QCoW2 images won't work in that case, and need to be recreated (this
* will obliterate previous snapshots).
* The most reliable way to do this is to cache some sort of checksum of
* the image files, but we go the easier (and faster) route and cache the
* version number that is specified in build.prop.
*/
const char* avd_data_dir = avdInfo_getContentPath(android_avdInfo);
static const char sysimg_version_number_cache_basename[] =
"version_num.cache";
char* sysimg_version_number_cache_path =
path_join(avd_data_dir, sysimg_version_number_cache_basename);
bool reset_version_number_cache = false;
if (!path_exists(sysimg_version_number_cache_path)) {
/* File with previously saved version number doesn't exist,
* we'll create it later.
*/
reset_version_number_cache = true;
} else {
FILE* vn_cache_file = fopen(sysimg_version_number_cache_path, "r");
int sysimg_version_number = -1;
/* If the file with version number contained an error, or the
* saved version number doesn't match the current one, we'll
* update it later.
*/
reset_version_number_cache =
vn_cache_file == NULL ||
fscanf(vn_cache_file, "%d", &sysimg_version_number) != 1 ||
sysimg_version_number !=
avdInfo_getSysImgIncrementalVersion(android_avdInfo);
if (vn_cache_file) {
fclose(vn_cache_file);
}
}
/* List of paths to all images that can be mounted.*/
const char* const image_paths[] = {
android_hw->disk_systemPartition_initPath,
android_hw->disk_cachePartition_path,
android_hw->disk_dataPartition_path,
android_hw->hw_sdCard_path,
android_hw->disk_encryptionKeyPartition_path,
};
int p;
for (p = 0; p < ARRAY_SIZE(image_paths); p++) {
const char* backing_image_path = image_paths[p];
char* qcow2_image_path = NULL;
if (!backing_image_path ||
*backing_image_path == '\0') {
/* If the path is NULL or empty, just ignore it.*/
continue;
}
if (!strcmp(backing_image_path,
android_hw->disk_systemPartition_initPath)) {
/* System image is a special case, the backing image is
* in the SDK folder, but the QCoW2 image that the emulator
* uses is created on a per-AVD basis and is placed in the
* AVD's data folder.
*/
static const char sysimage_qcow2_basename[] =
"system.img." QCOW2_SUFFIX;
qcow2_image_path =
path_join(avd_data_dir, sysimage_qcow2_basename);
} else {
/* For all the other images except system image,
* just create another file alongside them
* with a 'qcow2' extension
*/
const char qcow2_suffix[] = "." QCOW2_SUFFIX;
size_t path_size = strlen(backing_image_path) + sizeof(qcow2_suffix) + 1;
qcow2_image_path = malloc(path_size);
bufprint(qcow2_image_path, qcow2_image_path + path_size, "%s%s", backing_image_path, qcow2_suffix);
}
Error* img_creation_error = NULL;
if (!path_exists(qcow2_image_path) ||
android_op_wipe_data ||
reset_version_number_cache) {
bdrv_img_create(
qcow2_image_path,
QCOW2_SUFFIX,
backing_image_path,
"raw",
NULL,
-1,
BDRV_O_CACHE_WB,
&img_creation_error,
false);
}
free(qcow2_image_path);
if (img_creation_error) {
error_report("%s", error_get_pretty(img_creation_error));
return 0;
}
}
/* Update version number cache if necessary. */
if (reset_version_number_cache) {
FILE* vn_cache_file = fopen(sysimg_version_number_cache_path, "w");
if (vn_cache_file) {
fprintf(vn_cache_file,
"%d\n",
avdInfo_getSysImgIncrementalVersion(android_avdInfo));
fclose(vn_cache_file);
}
}
free(sysimg_version_number_cache_path);
return 1;
}
#endif // CONFIG_ANDROID
void vm_start(void)
{
RunState requested;
qemu_vmstop_requested(&requested);
if (runstate_is_running() && requested == RUN_STATE_MAX) {
return;
}
/* Ensure that a STOP/RESUME pair of events is emitted if a
* vmstop request was pending. The BLOCK_IO_ERROR event, for
* example, according to documentation is always followed by
* the STOP event.
*/
if (runstate_is_running()) {
qapi_event_send_stop(&error_abort);
} else {
cpu_enable_ticks();
runstate_set(RUN_STATE_RUNNING);
vm_state_notify(1, RUN_STATE_RUNNING);
resume_all_vcpus();
}
qapi_event_send_resume(&error_abort);
}
/***********************************************************/
/* real time host monotonic timer */
/***********************************************************/
/* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset)
{
time_t ti;
time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
gmtime_r(&ti, tm);
else
localtime_r(&ti, tm);
} else {
ti -= rtc_date_offset;
gmtime_r(&ti, tm);
}
}
int qemu_timedate_diff(struct tm *tm)
{
time_t seconds;
if (rtc_date_offset == -1)
if (rtc_utc)
seconds = mktimegm(tm);
else {
struct tm tmp = *tm;
tmp.tm_isdst = -1; /* use timezone to figure it out */
seconds = mktime(&tmp);
}
else
seconds = mktimegm(tm) + rtc_date_offset;
return seconds - time(NULL);
}
static bool configure_rtc_date_offset(const char *startdate, int legacy)
{
time_t rtc_start_date;
struct tm tm;
if (!strcmp(startdate, "now") && legacy) {
rtc_date_offset = -1;
} else {
if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
&tm.tm_year,
&tm.tm_mon,
&tm.tm_mday,
&tm.tm_hour,
&tm.tm_min,
&tm.tm_sec) == 6) {
/* OK */
} else if (sscanf(startdate, "%d-%d-%d",
&tm.tm_year,
&tm.tm_mon,
&tm.tm_mday) == 3) {
tm.tm_hour = 0;
tm.tm_min = 0;
tm.tm_sec = 0;
} else {
goto date_fail;
}
tm.tm_year -= 1900;
tm.tm_mon--;
rtc_start_date = mktimegm(&tm);
if (rtc_start_date == -1) {
date_fail:
fprintf(stderr, "Invalid date format. Valid formats are:\n"
"'2006-06-17T16:01:21' or '2006-06-17'\n");
return false;
}
rtc_date_offset = time(NULL) - rtc_start_date;
}
return true;
}
static bool configure_rtc(QemuOpts *opts)
{
const char *value;
value = qemu_opt_get(opts, "base");
if (value) {
if (!strcmp(value, "utc")) {
rtc_utc = 1;
} else if (!strcmp(value, "localtime")) {
rtc_utc = 0;
} else {
if (!configure_rtc_date_offset(value, 0)) {
return false;
}
}
}
value = qemu_opt_get(opts, "clock");
if (value) {
if (!strcmp(value, "host")) {
rtc_clock = QEMU_CLOCK_HOST;
} else if (!strcmp(value, "rt")) {
rtc_clock = QEMU_CLOCK_REALTIME;
} else if (!strcmp(value, "vm")) {
rtc_clock = QEMU_CLOCK_VIRTUAL;
} else {
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
return false;
}
}
value = qemu_opt_get(opts, "driftfix");
if (value) {
if (!strcmp(value, "slew")) {
static GlobalProperty slew_lost_ticks[] = {
{
.driver = "mc146818rtc",
.property = "lost_tick_policy",
.value = "slew",
},
{ /* end of list */ }
};
qdev_prop_register_global_list(slew_lost_ticks);
} else if (!strcmp(value, "none")) {
/* discard is default */
} else {
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
return false;
}
}
return true;
}
/***********************************************************/
/* Bluetooth support */
static int nb_hcis;
static int cur_hci;
static struct HCIInfo *hci_table[MAX_NICS];
struct HCIInfo *qemu_next_hci(void)
{
if (cur_hci == nb_hcis)
return &null_hci;
return hci_table[cur_hci++];
}
static int bt_hci_parse(const char *str)
{
struct HCIInfo *hci;
bdaddr_t bdaddr;
if (nb_hcis >= MAX_NICS) {
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
return -1;
}
hci = hci_init(str);
if (!hci)
return -1;
bdaddr.b[0] = 0x52;
bdaddr.b[1] = 0x54;
bdaddr.b[2] = 0x00;
bdaddr.b[3] = 0x12;
bdaddr.b[4] = 0x34;
bdaddr.b[5] = 0x56 + nb_hcis;
hci->bdaddr_set(hci, bdaddr.b);
hci_table[nb_hcis++] = hci;
return 0;
}
static void bt_vhci_add(int vlan_id)
{
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a VHCI to "
"an empty scatternet %i\n", vlan_id);
bt_vhci_init(bt_new_hci(vlan));
}
static struct bt_device_s *bt_device_add(const char *opt)
{
struct bt_scatternet_s *vlan;
int vlan_id = 0;
char *endp = strstr(opt, ",vlan=");
int len = (endp ? endp - opt : strlen(opt)) + 1;
char devname[10];
pstrcpy(devname, MIN(sizeof(devname), len), opt);
if (endp) {
vlan_id = strtol(endp + 6, &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
return 0;
}
}
vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a slave device to "
"an empty scatternet %i\n", vlan_id);
if (!strcmp(devname, "keyboard"))
return bt_keyboard_init(vlan);
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
return 0;
}
static int bt_parse(const char *opt)
{
const char *endp, *p;
int vlan;
if (strstart(opt, "hci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp)
if (!strstart(endp, ",vlan=", 0))
opt = endp + 1;
return bt_hci_parse(opt);
}
} else if (strstart(opt, "vhci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp) {
if (strstart(endp, ",vlan=", &p)) {
vlan = strtol(p, (char **) &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
return 1;
}
} else {
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
return 1;
}
} else
vlan = 0;
bt_vhci_add(vlan);
return 0;
}
} else if (strstart(opt, "device:", &endp))
return !bt_device_add(endp);
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
return 1;
}
static int parse_sandbox(QemuOpts *opts, void *opaque)
{
/* FIXME: change this to true for 1.3 */
if (qemu_opt_get_bool(opts, "enable", false)) {
#ifdef CONFIG_SECCOMP
if (seccomp_start() < 0) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"failed to install seccomp syscall filter in the kernel");
return -1;
}
#else
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"sandboxing request but seccomp is not compiled into this build");
return -1;
#endif
}
return 0;
}
static int parse_name(QemuOpts *opts, void *opaque)
{
const char *proc_name;
if (qemu_opt_get(opts, "debug-threads")) {
qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
}
qemu_name = qemu_opt_get(opts, "guest");
proc_name = qemu_opt_get(opts, "process");
if (proc_name) {
os_set_proc_name(proc_name);
}
return 0;
}
bool usb_enabled(bool default_usb)
{
return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
has_defaults && default_usb);
}
#ifndef _WIN32
static int parse_add_fd(QemuOpts *opts, void *opaque)
{
int fd, dupfd, flags;
int64_t fdset_id;
const char *fd_opaque = NULL;
fd = qemu_opt_get_number(opts, "fd", -1);
fdset_id = qemu_opt_get_number(opts, "set", -1);
fd_opaque = qemu_opt_get(opts, "opaque");
if (fd < 0) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"fd option is required and must be non-negative");
return -1;
}
if (fd <= STDERR_FILENO) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"fd cannot be a standard I/O stream");
return -1;
}
/*
* All fds inherited across exec() necessarily have FD_CLOEXEC
* clear, while qemu sets FD_CLOEXEC on all other fds used internally.
*/
flags = fcntl(fd, F_GETFD);
if (flags == -1 || (flags & FD_CLOEXEC)) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"fd is not valid or already in use");
return -1;
}
if (fdset_id < 0) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"set option is required and must be non-negative");
return -1;
}
#ifdef F_DUPFD_CLOEXEC
dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
#else
dupfd = dup(fd);
if (dupfd != -1) {
qemu_set_cloexec(dupfd);
}
#endif
if (dupfd == -1) {
qerror_report(ERROR_CLASS_GENERIC_ERROR,
"Error duplicating fd: %s", strerror(errno));
return -1;
}
/* add the duplicate fd, and optionally the opaque string, to the fd set */
monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
fd_opaque, NULL);
return 0;
}
static int cleanup_add_fd(QemuOpts *opts, void *opaque)
{
int fd;
fd = qemu_opt_get_number(opts, "fd", -1);
close(fd);
return 0;
}
#endif
/***********************************************************/
/* QEMU Block devices */
#define HD_OPTS "media=disk"
#define CDROM_OPTS "media=cdrom"
#define FD_OPTS ""
#define PFLASH_OPTS ""
#define MTD_OPTS ""
#define SD_OPTS ""
static int drive_init_func(QemuOpts *opts, void *opaque)
{
BlockInterfaceType *block_default_type = opaque;
return drive_new(opts, *block_default_type) == NULL;
}
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
{
if (qemu_opt_get(opts, "snapshot") == NULL) {
qemu_opt_set(opts, "snapshot", "on");
}
return 0;
}
static bool default_drive(int enable, int snapshot, BlockInterfaceType type,
int index, const char *optstr)
{
QemuOpts *opts;
DriveInfo *dinfo;
if (!enable || drive_get_by_index(type, index)) {
return true;
}
opts = drive_add(type, index, NULL, optstr);
if (snapshot) {
drive_enable_snapshot(opts, NULL);
}
dinfo = drive_new(opts, type);
if (!dinfo) {
return false;
}
dinfo->is_default = true;
return true;
}
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
{
boot_set_handler = func;
boot_set_opaque = opaque;
}
int qemu_boot_set(const char *boot_order)
{
if (!boot_set_handler) {
return -EINVAL;
}
return boot_set_handler(boot_set_opaque, boot_order);
}
static bool validate_bootdevices(const char *devices)
{
/* We just do some generic consistency checks */
const char *p;
int bitmap = 0;
for (p = devices; *p != '\0'; p++) {
/* Allowed boot devices are:
* a-b: floppy disk drives
* c-f: IDE disk drives
* g-m: machine implementation dependent drives
* n-p: network devices
* It's up to each machine implementation to check if the given boot
* devices match the actual hardware implementation and firmware
* features.
*/
if (*p < 'a' || *p > 'p') {
fprintf(stderr, "Invalid boot device '%c'\n", *p);
return false;
}
if (bitmap & (1 << (*p - 'a'))) {
fprintf(stderr, "Boot device '%c' was given twice\n", *p);
return false;
}
bitmap |= 1 << (*p - 'a');
}
return true;
}
static void restore_boot_order(void *opaque)
{
char *normal_boot_order = opaque;
static int first = 1;
/* Restore boot order and remove ourselves after the first boot */
if (first) {
first = 0;
return;
}
qemu_boot_set(normal_boot_order);
qemu_unregister_reset(restore_boot_order, normal_boot_order);
g_free(normal_boot_order);
}
static QemuOptsList qemu_smp_opts = {
.name = "smp-opts",
.implied_opt_name = "cpus",
.merge_lists = true,
.head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
.desc = {
{
.name = "cpus",
.type = QEMU_OPT_NUMBER,
}, {
.name = "sockets",
.type = QEMU_OPT_NUMBER,
}, {
.name = "cores",
.type = QEMU_OPT_NUMBER,
}, {
.name = "threads",
.type = QEMU_OPT_NUMBER,
}, {
.name = "maxcpus",
.type = QEMU_OPT_NUMBER,
},
{ /*End of list */ }
},
};
static bool smp_parse(QemuOpts *opts)
{
if (opts) {
unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
unsigned cores = qemu_opt_get_number(opts, "cores", 0);
unsigned threads = qemu_opt_get_number(opts, "threads", 0);
/* compute missing values, prefer sockets over cores over threads */
if (cpus == 0 || sockets == 0) {
sockets = sockets > 0 ? sockets : 1;
cores = cores > 0 ? cores : 1;
threads = threads > 0 ? threads : 1;
if (cpus == 0) {
cpus = cores * threads * sockets;
}
} else {
if (cores == 0) {
threads = threads > 0 ? threads : 1;
cores = cpus / (sockets * threads);
} else {
threads = cpus / (cores * sockets);
}
}
max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
smp_cpus = cpus;
smp_cores = cores > 0 ? cores : 1;
smp_threads = threads > 0 ? threads : 1;
}
if (max_cpus == 0) {
max_cpus = smp_cpus;
}
if (max_cpus > MAX_CPUMASK_BITS) {
fprintf(stderr, "Unsupported number of maxcpus\n");
return false;
}
if (max_cpus < smp_cpus) {
fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
return false;
}
return true;
}
static bool realtime_init(void)
{
if (enable_mlock) {
if (os_mlock() < 0) {
fprintf(stderr, "qemu: locking memory failed\n");
return false;
}
}
return true;
}
static void configure_msg(QemuOpts *opts)
{
enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
}
/***********************************************************/
/* USB devices */
static int usb_device_add(const char *devname)
{
USBDevice *dev = NULL;
#ifndef CONFIG_LINUX
const char *p;
#endif
if (!usb_enabled(false)) {
return -1;
}
/* drivers with .usbdevice_name entry in USBDeviceInfo */
dev = usbdevice_create(devname);
if (dev)
goto done;
/* the other ones */
#ifndef CONFIG_LINUX
/* only the linux version is qdev-ified, usb-bsd still needs this */
if (strstart(devname, "host:", &p)) {
dev = usb_host_device_open(usb_bus_find(-1), p);
}
#endif
if (!dev)
return -1;
done:
return 0;
}
static int usb_device_del(const char *devname)
{
int bus_num, addr;
const char *p;
if (strstart(devname, "host:", &p)) {
return -1;
}
if (!usb_enabled(false)) {
return -1;
}
p = strchr(devname, '.');
if (!p)
return -1;
bus_num = strtoul(devname, NULL, 0);
addr = strtoul(p + 1, NULL, 0);
return usb_device_delete_addr(bus_num, addr);
}
static int usb_parse(const char *cmdline)
{
int r;
r = usb_device_add(cmdline);
if (r < 0) {
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
}
return r;
}
void do_usb_add(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_add(devname) < 0) {
error_report("could not add USB device '%s'", devname);
}
}
void do_usb_del(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_del(devname) < 0) {
error_report("could not delete USB device '%s'", devname);
}
}
/***********************************************************/
/* machine registration */
MachineState *current_machine;
static void machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
QEMUMachine *qm = data;
mc->family = qm->family;
mc->name = qm->name;
mc->alias = qm->alias;
mc->desc = qm->desc;
mc->init = qm->init;
mc->reset = qm->reset;
mc->hot_add_cpu = qm->hot_add_cpu;
mc->kvm_type = qm->kvm_type;
mc->block_default_type = qm->block_default_type;
mc->units_per_default_bus = qm->units_per_default_bus;
mc->max_cpus = qm->max_cpus;
mc->no_serial = qm->no_serial;
mc->no_parallel = qm->no_parallel;
mc->use_virtcon = qm->use_virtcon;
mc->use_sclp = qm->use_sclp;
mc->no_floppy = qm->no_floppy;
mc->no_cdrom = qm->no_cdrom;
mc->no_sdcard = qm->no_sdcard;
mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
mc->is_default = qm->is_default;
mc->default_machine_opts = qm->default_machine_opts;
mc->default_boot_order = qm->default_boot_order;
mc->default_display = qm->default_display;
mc->compat_props = qm->compat_props;
mc->hw_version = qm->hw_version;
}
int qemu_register_machine(QEMUMachine *m)
{
char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
TypeInfo ti = {
.name = name,
.parent = TYPE_MACHINE,
.class_init = machine_class_init,
.class_data = (void *)m,
};
type_register(&ti);
g_free(name);
return 0;
}
static MachineClass *find_machine(const char *name)
{
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
MachineClass *mc = NULL;
for (el = machines; el; el = el->next) {
MachineClass *temp = el->data;
if (!strcmp(temp->name, name)) {
mc = temp;
break;
}
if (temp->alias &&
!strcmp(temp->alias, name)) {
mc = temp;
break;
}
}
g_slist_free(machines);
return mc;
}
MachineClass *find_default_machine(void)
{
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
MachineClass *mc = NULL;
for (el = machines; el; el = el->next) {
MachineClass *temp = el->data;
if (temp->is_default) {
mc = temp;
break;
}
}
g_slist_free(machines);
return mc;
}
MachineInfoList *qmp_query_machines(Error **errp)
{
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
MachineInfoList *mach_list = NULL;
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
MachineInfoList *entry;
MachineInfo *info;
info = g_malloc0(sizeof(*info));
if (mc->is_default) {
info->has_is_default = true;
info->is_default = true;
}
if (mc->alias) {
info->has_alias = true;
info->alias = g_strdup(mc->alias);
}
info->name = g_strdup(mc->name);
info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
entry = g_malloc0(sizeof(*entry));
entry->value = info;
entry->next = mach_list;
mach_list = entry;
}
g_slist_free(machines);
return mach_list;
}
/***********************************************************/
/* main execution loop */
struct vm_change_state_entry {
VMChangeStateHandler *cb;
void *opaque;
QLIST_ENTRY (vm_change_state_entry) entries;
};
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
void *opaque)
{
VMChangeStateEntry *e;
e = g_malloc0(sizeof (*e));
e->cb = cb;
e->opaque = opaque;
QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
return e;
}
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
{
QLIST_REMOVE (e, entries);
g_free (e);
}
void vm_state_notify(int running, RunState state)
{
VMChangeStateEntry *e, *next;
trace_vm_state_notify(running, state);
QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
e->cb(e->opaque, running, state);
}
}
/* reset/shutdown handler */
typedef struct QEMUResetEntry {
QTAILQ_ENTRY(QEMUResetEntry) entry;
QEMUResetHandler *func;
void *opaque;
} QEMUResetEntry;
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
QTAILQ_HEAD_INITIALIZER(reset_handlers);
static int reset_requested;
static int shutdown_requested, shutdown_signal = -1;
static pid_t shutdown_pid;
static int powerdown_requested;
static int debug_requested;
static int suspend_requested;
static WakeupReason wakeup_reason;
static NotifierList powerdown_notifiers =
NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
static NotifierList suspend_notifiers =
NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
static NotifierList wakeup_notifiers =
NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
int qemu_shutdown_requested_get(void)
{
return shutdown_requested;
}
int qemu_reset_requested_get(void)
{
return reset_requested;
}
static int qemu_shutdown_requested(void)
{
return atomic_xchg(&shutdown_requested, 0);
}
static void qemu_kill_report(void)
{
if (!qtest_driver() && shutdown_signal != -1) {
fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
if (shutdown_pid == 0) {
/* This happens for eg ^C at the terminal, so it's worth
* avoiding printing an odd message in that case.
*/
fputc('\n', stderr);
} else {
fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
}
shutdown_signal = -1;
}
}
static int qemu_reset_requested(void)
{
int r = reset_requested;
reset_requested = 0;
return r;
}
static int qemu_suspend_requested(void)
{
int r = suspend_requested;
suspend_requested = 0;
return r;
}
static WakeupReason qemu_wakeup_requested(void)
{
return wakeup_reason;
}
static int qemu_powerdown_requested(void)
{
int r = powerdown_requested;
powerdown_requested = 0;
return r;
}
static int qemu_debug_requested(void)
{
int r = debug_requested;
debug_requested = 0;
return r;
}
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
}
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry *re;
QTAILQ_FOREACH(re, &reset_handlers, entry) {
if (re->func == func && re->opaque == opaque) {
QTAILQ_REMOVE(&reset_handlers, re, entry);
g_free(re);
return;
}
}
}
void qemu_devices_reset(void)
{
QEMUResetEntry *re, *nre;
/* reset all devices */
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
re->func(re->opaque);
}
}
void qemu_system_reset(bool report)
{
MachineClass *mc;
mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
if (mc && mc->reset) {
mc->reset();
} else {
qemu_devices_reset();
}
if (report) {
qapi_event_send_reset(&error_abort);
}
cpu_synchronize_all_post_reset();
}
void qemu_system_reset_request(void)
{
if (no_reboot) {
shutdown_requested = 1;
} else {
reset_requested = 1;
}
cpu_stop_current();
qemu_notify_event();
}
static void qemu_system_suspend(void)
{
pause_all_vcpus();
notifier_list_notify(&suspend_notifiers, NULL);
runstate_set(RUN_STATE_SUSPENDED);
qapi_event_send_suspend(&error_abort);
}
void qemu_system_suspend_request(void)
{
if (runstate_check(RUN_STATE_SUSPENDED)) {
return;
}
suspend_requested = 1;
cpu_stop_current();
qemu_notify_event();
}
void qemu_register_suspend_notifier(Notifier *notifier)
{
notifier_list_add(&suspend_notifiers, notifier);
}
void qemu_system_wakeup_request(WakeupReason reason)
{
trace_system_wakeup_request(reason);
if (!runstate_check(RUN_STATE_SUSPENDED)) {
return;
}
if (!(wakeup_reason_mask & (1 << reason))) {
return;
}
runstate_set(RUN_STATE_RUNNING);
wakeup_reason = reason;
qemu_notify_event();
}
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
{
if (enabled) {
wakeup_reason_mask |= (1 << reason);
} else {
wakeup_reason_mask &= ~(1 << reason);
}
}
void qemu_register_wakeup_notifier(Notifier *notifier)
{
notifier_list_add(&wakeup_notifiers, notifier);
}
void qemu_system_killed(int signal, pid_t pid)
{
shutdown_signal = signal;
shutdown_pid = pid;
no_shutdown = 0;
qemu_system_shutdown_request();
}
void qemu_system_shutdown_request(void)
{
trace_qemu_system_shutdown_request();
shutdown_requested = 1;
qemu_notify_event();
}
static void qemu_system_powerdown(void)
{
qapi_event_send_powerdown(&error_abort);
notifier_list_notify(&powerdown_notifiers, NULL);
}
void qemu_system_powerdown_request(void)
{
trace_qemu_system_powerdown_request();
powerdown_requested = 1;
qemu_notify_event();
}
void qemu_register_powerdown_notifier(Notifier *notifier)
{
notifier_list_add(&powerdown_notifiers, notifier);
}
void qemu_system_debug_request(void)
{
debug_requested = 1;
qemu_notify_event();
}
static bool main_loop_should_exit(void)
{
RunState r;
if (qemu_debug_requested()) {
vm_stop(RUN_STATE_DEBUG);
}
if (qemu_suspend_requested()) {
qemu_system_suspend();
}
if (qemu_shutdown_requested()) {
qemu_kill_report();
qapi_event_send_shutdown(&error_abort);
if (no_shutdown) {
vm_stop(RUN_STATE_SHUTDOWN);
} else {
return true;
}
}
if (qemu_reset_requested()) {
pause_all_vcpus();
cpu_synchronize_all_states();
qemu_system_reset(VMRESET_REPORT);
resume_all_vcpus();
if (runstate_needs_reset()) {
runstate_set(RUN_STATE_PAUSED);
}
}
if (qemu_wakeup_requested()) {
pause_all_vcpus();
cpu_synchronize_all_states();
qemu_system_reset(VMRESET_SILENT);
notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
wakeup_reason = QEMU_WAKEUP_REASON_NONE;
resume_all_vcpus();
qapi_event_send_wakeup(&error_abort);
}
if (qemu_powerdown_requested()) {
qemu_system_powerdown();
}
if (qemu_vmstop_requested(&r)) {
vm_stop(r);
}
return false;
}
static void main_loop(void)
{
bool nonblocking;
int last_io = 0;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
if (hax_sync_vcpus() < 0) {
fprintf(stderr, "Internal error: hax sync failed\n");
return;
}
do {
nonblocking = !kvm_enabled() && !xen_enabled() && !hax_enabled() && last_io > 0;
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
last_io = main_loop_wait(nonblocking);
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
} while (!main_loop_should_exit());
}
static void version(void)
{
printf("QEMU emulator version " QEMU_VERSION " " QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
}
static void help(void)
{
version();
printf("usage: %s [options] [disk_image]\n\n"
"'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
error_get_progname());
#define QEMU_OPTIONS_GENERATE_HELP
#include "qemu-options-wrapper.h"
printf("\nDuring emulation, the following keys are useful:\n"
"ctrl-alt-f toggle full screen\n"
"ctrl-alt-n switch to virtual console 'n'\n"
"ctrl-alt toggle mouse and keyboard grab\n"
"\n"
"When using -nographic, press 'ctrl-a h' to get some help.\n");
}
#define HAS_ARG 0x0001
typedef struct QEMUOption {
const char *name;
int flags;
int index;
uint32_t arch_mask;
} QEMUOption;
static const QEMUOption qemu_options[] = {
{ "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
#define QEMU_OPTIONS_GENERATE_OPTIONS
#include "qemu-options-wrapper.h"
{ NULL },
};
static bool vga_available(void)
{
return object_class_by_name("VGA") || object_class_by_name("isa-vga");
}
static bool cirrus_vga_available(void)
{
return object_class_by_name("cirrus-vga")
|| object_class_by_name("isa-cirrus-vga");
}
static bool vmware_vga_available(void)
{
return object_class_by_name("vmware-svga");
}
static bool qxl_vga_available(void)
{
return object_class_by_name("qxl-vga");
}
static bool tcx_vga_available(void)
{
return object_class_by_name("SUNW,tcx");
}
static bool cg3_vga_available(void)
{
return object_class_by_name("cgthree");
}
static bool select_vgahw (const char *p)
{
const char *opts;
assert(vga_interface_type == VGA_NONE);
if (strstart(p, "std", &opts)) {
if (vga_available()) {
vga_interface_type = VGA_STD;
} else {
fprintf(stderr, "Error: standard VGA not available\n");
return false;
}
} else if (strstart(p, "cirrus", &opts)) {
if (cirrus_vga_available()) {
vga_interface_type = VGA_CIRRUS;
} else {
fprintf(stderr, "Error: Cirrus VGA not available\n");
return false;
}
} else if (strstart(p, "vmware", &opts)) {
if (vmware_vga_available()) {
vga_interface_type = VGA_VMWARE;
} else {
fprintf(stderr, "Error: VMWare SVGA not available\n");
return false;
}
} else if (strstart(p, "xenfb", &opts)) {
vga_interface_type = VGA_XENFB;
} else if (strstart(p, "qxl", &opts)) {
if (qxl_vga_available()) {
vga_interface_type = VGA_QXL;
} else {
fprintf(stderr, "Error: QXL VGA not available\n");
return false;
}
} else if (strstart(p, "tcx", &opts)) {
if (tcx_vga_available()) {
vga_interface_type = VGA_TCX;
} else {
fprintf(stderr, "Error: TCX framebuffer not available\n");
return false;
}
} else if (strstart(p, "cg3", &opts)) {
if (cg3_vga_available()) {
vga_interface_type = VGA_CG3;
} else {
fprintf(stderr, "Error: CG3 framebuffer not available\n");
return false;
}
} else if (!strstart(p, "none", &opts)) {
invalid_vga:
fprintf(stderr, "Unknown vga type: %s\n", p);
return false;
}
while (*opts) {
const char *nextopt;
if (strstart(opts, ",retrace=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "dumb", &nextopt))
vga_retrace_method = VGA_RETRACE_DUMB;
else if (strstart(opts, "precise", &nextopt))
vga_retrace_method = VGA_RETRACE_PRECISE;
else goto invalid_vga;
} else goto invalid_vga;
opts = nextopt;
}
return true;
}
static DisplayType select_display(const char *p)
{
const char *opts;
DisplayType display = DT_DEFAULT;
if (strstart(p, "sdl", &opts)) {
#if defined(CONFIG_SDL) || defined(CONFIG_ANDROID)
display = DT_SDL;
while (*opts) {
const char *nextopt;
if (strstart(opts, ",frame=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "on", &nextopt)) {
no_frame = 0;
} else if (strstart(opts, "off", &nextopt)) {
no_frame = 1;
} else {
goto invalid_sdl_args;
}
} else if (strstart(opts, ",alt_grab=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "on", &nextopt)) {
alt_grab = 1;
} else if (strstart(opts, "off", &nextopt)) {
alt_grab = 0;
} else {
goto invalid_sdl_args;
}
} else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "on", &nextopt)) {
ctrl_grab = 1;
} else if (strstart(opts, "off", &nextopt)) {
ctrl_grab = 0;
} else {
goto invalid_sdl_args;
}
} else if (strstart(opts, ",window_close=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "on", &nextopt)) {
no_quit = 0;
} else if (strstart(opts, "off", &nextopt)) {
no_quit = 1;
} else {
goto invalid_sdl_args;
}
} else {
invalid_sdl_args:
fprintf(stderr, "Invalid SDL option string: %s\n", p);
return -1;
}
opts = nextopt;
}
#else
fprintf(stderr, "SDL support is disabled\n");
return -1;
#endif
} else if (strstart(p, "vnc", &opts)) {
#ifdef CONFIG_VNC
display_remote++;
if (*opts) {
const char *nextopt;
if (strstart(opts, "=", &nextopt)) {
vnc_display = nextopt;
}
}
if (!vnc_display) {
fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
return -1;
}
#else
fprintf(stderr, "VNC support is disabled\n");
return -1;
#endif
} else if (strstart(p, "curses", &opts)) {
#ifdef CONFIG_CURSES
display = DT_CURSES;
#else
fprintf(stderr, "Curses support is disabled\n");
return -1;
#endif
} else if (strstart(p, "gtk", &opts)) {
#ifdef CONFIG_GTK
display = DT_GTK;
while (*opts) {
const char *nextopt;
if (strstart(opts, ",grab_on_hover=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "on", &nextopt)) {
grab_on_hover = true;
} else if (strstart(opts, "off", &nextopt)) {
grab_on_hover = false;
} else {
goto invalid_gtk_args;
}
} else {
invalid_gtk_args:
fprintf(stderr, "Invalid GTK option string: %s\n", p);
return -1;
}
opts = nextopt;
}
#else
fprintf(stderr, "GTK support is disabled\n");
return -1;
#endif
} else if (strstart(p, "none", &opts)) {
display = DT_NONE;
} else {
fprintf(stderr, "Unknown display type: %s\n", p);
return -1;
}
return display;
}
static int balloon_parse(const char *arg)
{
QemuOpts *opts;
if (strcmp(arg, "none") == 0) {
return 0;
}
if (!strncmp(arg, "virtio", 6)) {
if (arg[6] == ',') {
/* have params -> parse them */
opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
if (!opts)
return -1;
} else {
/* create empty opts */
opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
&error_abort);
}
qemu_opt_set(opts, "driver", "virtio-balloon");
return 0;
}
return -1;
}
char *qemu_find_file(int type, const char *name)
{
int i;
const char *subdir;
char *buf;
/* Try the name as a straight path first */
if (access(name, R_OK) == 0) {
trace_load_file(name, name);
return g_strdup(name);
}
switch (type) {
case QEMU_FILE_TYPE_BIOS:
subdir = "";
break;
case QEMU_FILE_TYPE_KEYMAP:
subdir = "keymaps/";
break;
default:
abort();
}
for (i = 0; i < data_dir_idx; i++) {
buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
if (access(buf, R_OK) == 0) {
trace_load_file(name, buf);
return buf;
}
g_free(buf);
}
return NULL;
}
static int device_help_func(QemuOpts *opts, void *opaque)
{
return qdev_device_help(opts);
}
static int device_init_func(QemuOpts *opts, void *opaque)
{
DeviceState *dev;
dev = qdev_device_add(opts);
if (!dev)
return -1;
object_unref(OBJECT(dev));
return 0;
}
static int chardev_init_func(QemuOpts *opts, void *opaque)
{
Error *local_err = NULL;
qemu_chr_new_from_opts(opts, NULL, &local_err);
if (local_err) {
error_report("%s", error_get_pretty(local_err));
error_free(local_err);
return -1;
}
return 0;
}
#ifdef CONFIG_VIRTFS
static int fsdev_init_func(QemuOpts *opts, void *opaque)
{
int ret;
ret = qemu_fsdev_add(opts);
return ret;
}
#endif
static int mon_init_func(QemuOpts *opts, void *opaque)
{
CharDriverState *chr;
const char *chardev;
const char *mode;
int flags;
mode = qemu_opt_get(opts, "mode");
if (mode == NULL) {
mode = "readline";
}
if (strcmp(mode, "readline") == 0) {
flags = MONITOR_USE_READLINE;
} else if (strcmp(mode, "control") == 0) {
flags = MONITOR_USE_CONTROL;
} else {
fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
return 1;
}
if (qemu_opt_get_bool(opts, "pretty", 0))
flags |= MONITOR_USE_PRETTY;
if (qemu_opt_get_bool(opts, "default", 0))
flags |= MONITOR_IS_DEFAULT;
chardev = qemu_opt_get(opts, "chardev");
chr = qemu_chr_find(chardev);
if (chr == NULL) {
fprintf(stderr, "chardev \"%s\" not found\n", chardev);
return 1;
}
qemu_chr_fe_claim_no_fail(chr);
monitor_init(chr, flags);
return 0;
}
static bool monitor_parse(const char *optarg, const char *mode)
{
static int monitor_device_index = 0;
QemuOpts *opts;
const char *p;
char label[32];
int def = 0;
if (strstart(optarg, "chardev:", &p)) {
snprintf(label, sizeof(label), "%s", p);
} else {
snprintf(label, sizeof(label), "compat_monitor%d",
monitor_device_index);
if (monitor_device_index == 0) {
def = 1;
}
opts = qemu_chr_parse_compat(label, optarg);
if (!opts) {
fprintf(stderr, "parse error: %s\n", optarg);
return false;
}
}
opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
if (!opts) {
fprintf(stderr, "duplicate chardev: %s\n", label);
return false;
}
qemu_opt_set(opts, "mode", mode);
qemu_opt_set(opts, "chardev", label);
if (def)
qemu_opt_set(opts, "default", "on");
monitor_device_index++;
return true;
}
struct device_config {
enum {
DEV_USB, /* -usbdevice */
DEV_BT, /* -bt */
DEV_SERIAL, /* -serial */
DEV_PARALLEL, /* -parallel */
DEV_VIRTCON, /* -virtioconsole */
DEV_DEBUGCON, /* -debugcon */
DEV_GDB, /* -gdb, -s */
DEV_SCLP, /* s390 sclp */
} type;
const char *cmdline;
Location loc;
QTAILQ_ENTRY(device_config) next;
};
static QTAILQ_HEAD(, device_config) device_configs =
QTAILQ_HEAD_INITIALIZER(device_configs);
static void add_device_config(int type, const char *cmdline)
{
struct device_config *conf;
conf = g_malloc0(sizeof(*conf));
conf->type = type;
conf->cmdline = cmdline;
loc_save(&conf->loc);
QTAILQ_INSERT_TAIL(&device_configs, conf, next);
}
static int foreach_device_config(int type, int (*func)(const char *cmdline))
{
struct device_config *conf;
int rc;
QTAILQ_FOREACH(conf, &device_configs, next) {
if (conf->type != type)
continue;
loc_push_restore(&conf->loc);
rc = func(conf->cmdline);
loc_pop(&conf->loc);
if (rc) {
return rc;
}
}
return 0;
}
static int serial_parse(const char *devname)
{
static int index = 0;
char label[32];
if (strcmp(devname, "none") == 0)
return 0;
if (index == MAX_SERIAL_PORTS) {
fprintf(stderr, "qemu: too many serial ports\n");
return -1;
}
snprintf(label, sizeof(label), "serial%d", index);
serial_hds[index] = qemu_chr_new(label, devname, NULL);
if (!serial_hds[index]) {
fprintf(stderr, "qemu: could not connect serial device"
" to character backend '%s'\n", devname);
return -1;
}
index++;
return 0;
}
static int parallel_parse(const char *devname)
{
static int index = 0;
char label[32];
if (strcmp(devname, "none") == 0)
return 0;
if (index == MAX_PARALLEL_PORTS) {
fprintf(stderr, "qemu: too many parallel ports\n");
return -1;
}
snprintf(label, sizeof(label), "parallel%d", index);
parallel_hds[index] = qemu_chr_new(label, devname, NULL);
if (!parallel_hds[index]) {
fprintf(stderr, "qemu: could not connect parallel device"
" to character backend '%s'\n", devname);
return -1;
}
index++;
return 0;
}
static int virtcon_parse(const char *devname)
{
QemuOptsList *device = qemu_find_opts("device");
static int index = 0;
char label[32];
QemuOpts *bus_opts, *dev_opts;
if (strcmp(devname, "none") == 0)
return 0;
if (index == MAX_VIRTIO_CONSOLES) {
fprintf(stderr, "qemu: too many virtio consoles\n");
return -1;
}
bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
if (arch_type == QEMU_ARCH_S390X) {
qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
} else {
qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
}
dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
qemu_opt_set(dev_opts, "driver", "virtconsole");
snprintf(label, sizeof(label), "virtcon%d", index);
virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
if (!virtcon_hds[index]) {
fprintf(stderr, "qemu: could not connect virtio console"
" to character backend '%s'\n", devname);
return -1;
}
qemu_opt_set(dev_opts, "chardev", label);
index++;
return 0;
}
static int sclp_parse(const char *devname)
{
QemuOptsList *device = qemu_find_opts("device");
static int index = 0;
char label[32];
QemuOpts *dev_opts;
if (strcmp(devname, "none") == 0) {
return 0;
}
if (index == MAX_SCLP_CONSOLES) {
fprintf(stderr, "qemu: too many sclp consoles\n");
return -1;
}
assert(arch_type == QEMU_ARCH_S390X);
dev_opts = qemu_opts_create(device, NULL, 0, NULL);
qemu_opt_set(dev_opts, "driver", "sclpconsole");
snprintf(label, sizeof(label), "sclpcon%d", index);
sclp_hds[index] = qemu_chr_new(label, devname, NULL);
if (!sclp_hds[index]) {
fprintf(stderr, "qemu: could not connect sclp console"
" to character backend '%s'\n", devname);
return -1;
}
qemu_opt_set(dev_opts, "chardev", label);
index++;
return 0;
}
static int debugcon_parse(const char *devname)
{
QemuOpts *opts;
if (!qemu_chr_new("debugcon", devname, NULL)) {
return -1;
}
opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
if (!opts) {
fprintf(stderr, "qemu: already have a debugcon device\n");
return -1;
}
qemu_opt_set(opts, "driver", "isa-debugcon");
qemu_opt_set(opts, "chardev", "debugcon");
return 0;
}
static gint machine_class_cmp(gconstpointer a, gconstpointer b)
{
const MachineClass *mc1 = a, *mc2 = b;
int res;
if (mc1->family == NULL) {
if (mc2->family == NULL) {
/* Compare standalone machine types against each other; they sort
* in increasing order.
*/
return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
object_class_get_name(OBJECT_CLASS(mc2)));
}
/* Standalone machine types sort after families. */
return 1;
}
if (mc2->family == NULL) {
/* Families sort before standalone machine types. */
return -1;
}
/* Families sort between each other alphabetically increasingly. */
res = strcmp(mc1->family, mc2->family);
if (res != 0) {
return res;
}
/* Within the same family, machine types sort in decreasing order. */
return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
object_class_get_name(OBJECT_CLASS(mc1)));
}
static MachineClass *machine_parse(const char *name)
{
MachineClass *mc = NULL;
GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
if (name) {
mc = find_machine(name);
}
if (mc) {
return mc;
}
if (name && !is_help_option(name)) {
error_report("Unsupported machine type");
error_printf("Use -machine help to list supported machines!\n");
} else {
printf("Supported machines are:\n");
machines = g_slist_sort(machines, machine_class_cmp);
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
if (mc->alias) {
printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
}
printf("%-20s %s%s\n", mc->name, mc->desc,
mc->is_default ? " (default)" : "");
}
}
g_slist_free(machines);
return NULL;
}
void qemu_add_exit_notifier(Notifier *notify)
{
notifier_list_add(&exit_notifiers, notify);
}
void qemu_remove_exit_notifier(Notifier *notify)
{
notifier_remove(notify);
}
static void qemu_run_exit_notifiers(void)
{
notifier_list_notify(&exit_notifiers, NULL);
}
void qemu_add_machine_init_done_notifier(Notifier *notify)
{
notifier_list_add(&machine_init_done_notifiers, notify);
}
static void qemu_run_machine_init_done_notifiers(void)
{
notifier_list_notify(&machine_init_done_notifiers, NULL);
}
static const QEMUOption *lookup_opt(int argc, const char **argv,
const char **poptarg, int *poptind)
{
const QEMUOption *popt;
int optind = *poptind;
const char *r = argv[optind];
const char *optarg;
loc_set_cmdline(argv, optind, 1);
optind++;
/* Treat --foo the same as -foo. */
if (r[1] == '-')
r++;
popt = qemu_options;
for(;;) {
if (!popt->name) {
error_report("invalid option");
return NULL;
}
if (!strcmp(popt->name, r + 1))
break;
popt++;
}
if (popt->flags & HAS_ARG) {
if (optind >= argc) {
error_report("requires an argument");
return NULL;
}
optarg = argv[optind++];
loc_set_cmdline(argv, optind - 2, 2);
} else {
optarg = NULL;
}
*poptarg = optarg;
*poptind = optind;
return popt;
}
static gpointer malloc_and_trace(gsize n_bytes)
{
void *ptr = malloc(n_bytes);
trace_g_malloc(n_bytes, ptr);
return ptr;
}
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
{
void *ptr = realloc(mem, n_bytes);
trace_g_realloc(mem, n_bytes, ptr);
return ptr;
}
static void free_and_trace(gpointer mem)
{
trace_g_free(mem);
free(mem);
}
static int machine_set_property(const char *name, const char *value,
void *opaque)
{
Object *obj = OBJECT(opaque);
StringInputVisitor *siv;
Error *local_err = NULL;
char *c, *qom_name;
if (strcmp(name, "type") == 0) {
return 0;
}
qom_name = g_strdup(name);
c = qom_name;
while (*c++) {
if (*c == '_') {
*c = '-';
}
}
siv = string_input_visitor_new(value);
object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
string_input_visitor_cleanup(siv);
g_free(qom_name);
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
return -1;
}
return 0;
}
static int object_create(QemuOpts *opts, void *opaque)
{
Error *err = NULL;
char *type = NULL;
char *id = NULL;
void *dummy = NULL;
OptsVisitor *ov;
QDict *pdict;
ov = opts_visitor_new(opts);
pdict = qemu_opts_to_qdict(opts, NULL);
visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
if (err) {
goto out;
}
qdict_del(pdict, "qom-type");
visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
if (err) {
goto out;
}
qdict_del(pdict, "id");
visit_type_str(opts_get_visitor(ov), &id, "id", &err);
if (err) {
goto out;
}
object_add(type, id, pdict, opts_get_visitor(ov), &err);
if (err) {
goto out;
}
visit_end_struct(opts_get_visitor(ov), &err);
if (err) {
qmp_object_del(id, NULL);
}
out:
opts_visitor_cleanup(ov);
QDECREF(pdict);
g_free(id);
g_free(type);
g_free(dummy);
if (err) {
qerror_report_err(err);
error_free(err);
return -1;
}
return 0;
}
#if !defined(CONFIG_ANDROID)
// We don't use the AndroidEmu library in the original qemu2 build,
// so let's return their main function back
#define run_qemu_main main
// To avoid compiler warning about missing prototype when main is a macro
// for SDL_main.
extern int run_qemu_main(int, const char**);
#else /* CONFIG_ANDROID */
static int is_opengl_alive = 1;
static void android_check_for_updates()
{
android_checkForUpdates(QEMU_CORE_VERSION);
}
static void android_init_metrics()
{
android_metrics_start(EMULATOR_VERSION_STRING,
EMULATOR_FULL_VERSION_STRING,
QEMU_VERSION,
android_base_port);
android_metrics_report_common_info(is_opengl_alive);
}
static bool android_reporting_setup(void)
{
android_init_metrics();
if (!is_opengl_alive) {
derror("Could not initialize OpenglES emulation, "
"use '-gpu off' to disable it.");
return false;
}
android_check_for_updates();
return true;
}
static void android_reporting_teardown(void)
{
android_metrics_stop();
}
#endif /* CONFIG_ANDROID */
int run_qemu_main(int argc, const char **argv)
{
int i;
int snapshot, linux_boot;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
const char *boot_order;
DisplayState *ds;
int cyls, heads, secs, translation;
QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
QemuOptsList *olist;
int optind;
const char *optarg;
const char *loadvm = NULL;
MachineClass *machine_class;
const char *cpu_model;
const char *vga_model = NULL;
const char *qtest_chrdev = NULL;
const char *qtest_log = NULL;
const char *pid_file = NULL;
const char *incoming = NULL;
#ifdef CONFIG_VNC
int show_vnc_port = 0;
#endif
bool defconfig = true;
bool userconfig = true;
const char *log_mask = NULL;
const char *log_file = NULL;
GMemVTable mem_trace = {
.malloc = malloc_and_trace,
.realloc = realloc_and_trace,
.free = free_and_trace,
};
const char *trace_events = NULL;
const char *trace_file = NULL;
const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
1024 * 1024;
ram_addr_t maxram_size = default_ram_size;
uint64_t ram_slots = 0;
FILE *vmstate_dump_file = NULL;
Error *main_loop_err = NULL;
#ifdef CONFIG_ANDROID
char* additional_kernel_params = NULL;
const char* android_hw_file = NULL;
#endif
int adb_auth = 1;
atexit(qemu_run_exit_notifiers);
error_set_progname(argv[0]);
qemu_init_exec_dir(argv[0]);
g_mem_set_vtable(&mem_trace);
module_call_init(MODULE_INIT_QOM);
qemu_add_opts(&qemu_drive_opts);
qemu_add_drive_opts(&qemu_legacy_drive_opts);
qemu_add_drive_opts(&qemu_common_drive_opts);
qemu_add_drive_opts(&qemu_drive_opts);
qemu_add_opts(&qemu_chardev_opts);
qemu_add_opts(&qemu_device_opts);
qemu_add_opts(&qemu_netdev_opts);
qemu_add_opts(&qemu_net_opts);
qemu_add_opts(&qemu_rtc_opts);
qemu_add_opts(&qemu_global_opts);
qemu_add_opts(&qemu_mon_opts);
qemu_add_opts(&qemu_trace_opts);
qemu_add_opts(&qemu_option_rom_opts);
qemu_add_opts(&qemu_machine_opts);
qemu_add_opts(&qemu_mem_opts);
qemu_add_opts(&qemu_smp_opts);
qemu_add_opts(&qemu_boot_opts);
qemu_add_opts(&qemu_sandbox_opts);
qemu_add_opts(&qemu_add_fd_opts);
qemu_add_opts(&qemu_object_opts);
qemu_add_opts(&qemu_tpmdev_opts);
qemu_add_opts(&qemu_realtime_opts);
qemu_add_opts(&qemu_msg_opts);
qemu_add_opts(&qemu_name_opts);
qemu_add_opts(&qemu_numa_opts);
qemu_add_opts(&qemu_icount_opts);
runstate_init();
rtc_clock = QEMU_CLOCK_HOST;
QLIST_INIT (&vm_change_state_head);
os_setup_early_signal_handling();
module_call_init(MODULE_INIT_MACHINE);
machine_class = find_default_machine();
cpu_model = NULL;
ram_size = default_ram_size;
snapshot = 0;
cyls = heads = secs = 0;
translation = BIOS_ATA_TRANSLATION_AUTO;
for (i = 0; i < MAX_NODES; i++) {
numa_info[i].node_mem = 0;
numa_info[i].present = false;
bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
}
nb_numa_nodes = 0;
max_numa_nodeid = 0;
nb_nics = 0;
bdrv_init_with_whitelist();
autostart = 1;
/* first pass of option parsing */
optind = 1;
while (optind < argc) {
if (argv[optind][0] != '-') {
/* disk image */
optind++;
} else {
const QEMUOption *popt;
popt = lookup_opt(argc, argv, &optarg, &optind);
if (!popt) {
return 1;
}
switch (popt->index) {
case QEMU_OPTION_nodefconfig:
defconfig = false;
break;
case QEMU_OPTION_nouserconfig:
userconfig = false;
break;
}
}
}
if (defconfig) {
int ret;
ret = qemu_read_default_config_files(userconfig);
if (ret < 0) {
return 1;
}
}
/* second pass of option parsing */
optind = 1;
for(;;) {
if (optind >= argc)
break;
if (argv[optind][0] != '-') {
hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
} else {
const QEMUOption *popt;
popt = lookup_opt(argc, argv, &optarg, &optind);
if (!popt) {
return 1;
}
if (!(popt->arch_mask & arch_type)) {
printf("Option %s not supported for this target\n", popt->name);
return 1;
}
switch(popt->index) {
case QEMU_OPTION_M:
machine_class = machine_parse(optarg);
if (!machine_class) {
return 1;
}
break;
case QEMU_OPTION_no_kvm_irqchip: {
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "kernel_irqchip=off", 0);
break;
}
case QEMU_OPTION_cpu:
/* hw initialization will check this */
cpu_model = optarg;
break;
case QEMU_OPTION_hda:
{
char buf[256];
if (cyls == 0)
snprintf(buf, sizeof(buf), "%s", HD_OPTS);
else
snprintf(buf, sizeof(buf),
"%s,cyls=%d,heads=%d,secs=%d%s",
HD_OPTS , cyls, heads, secs,
translation == BIOS_ATA_TRANSLATION_LBA ?
",trans=lba" :
translation == BIOS_ATA_TRANSLATION_NONE ?
",trans=none" : "");
drive_add(IF_DEFAULT, 0, optarg, buf);
break;
}
case QEMU_OPTION_hdb:
case QEMU_OPTION_hdc:
case QEMU_OPTION_hdd:
drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
HD_OPTS);
break;
case QEMU_OPTION_drive:
if (drive_def(optarg) == NULL) {
return 1;
}
break;
case QEMU_OPTION_set:
if (qemu_set_option(optarg) != 0)
return 1;
break;
case QEMU_OPTION_global:
if (qemu_global_option(optarg) != 0)
return 1;
break;
case QEMU_OPTION_mtdblock:
drive_add(IF_MTD, -1, optarg, MTD_OPTS);
break;
case QEMU_OPTION_sd:
drive_add(IF_SD, -1, optarg, SD_OPTS);
break;
case QEMU_OPTION_pflash:
drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
break;
case QEMU_OPTION_snapshot:
snapshot = 1;
break;
case QEMU_OPTION_hdachs:
{
const char *p;
p = optarg;
cyls = strtol(p, (char **)&p, 0);
if (cyls < 1 || cyls > 16383)
goto chs_fail;
if (*p != ',')
goto chs_fail;
p++;
heads = strtol(p, (char **)&p, 0);
if (heads < 1 || heads > 16)
goto chs_fail;
if (*p != ',')
goto chs_fail;
p++;
secs = strtol(p, (char **)&p, 0);
if (secs < 1 || secs > 63)
goto chs_fail;
if (*p == ',') {
p++;
if (!strcmp(p, "large")) {
translation = BIOS_ATA_TRANSLATION_LARGE;
} else if (!strcmp(p, "rechs")) {
translation = BIOS_ATA_TRANSLATION_RECHS;
} else if (!strcmp(p, "none")) {
translation = BIOS_ATA_TRANSLATION_NONE;
} else if (!strcmp(p, "lba")) {
translation = BIOS_ATA_TRANSLATION_LBA;
} else if (!strcmp(p, "auto")) {
translation = BIOS_ATA_TRANSLATION_AUTO;
} else {
goto chs_fail;
}
} else if (*p != '\0') {
chs_fail:
fprintf(stderr, "qemu: invalid physical CHS format\n");
return 1;
}
if (hda_opts != NULL) {
char num[16];
snprintf(num, sizeof(num), "%d", cyls);
qemu_opt_set(hda_opts, "cyls", num);
snprintf(num, sizeof(num), "%d", heads);
qemu_opt_set(hda_opts, "heads", num);
snprintf(num, sizeof(num), "%d", secs);
qemu_opt_set(hda_opts, "secs", num);
if (translation == BIOS_ATA_TRANSLATION_LARGE) {
qemu_opt_set(hda_opts, "trans", "large");
} else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
qemu_opt_set(hda_opts, "trans", "rechs");
} else if (translation == BIOS_ATA_TRANSLATION_LBA) {
qemu_opt_set(hda_opts, "trans", "lba");
} else if (translation == BIOS_ATA_TRANSLATION_NONE) {
qemu_opt_set(hda_opts, "trans", "none");
}
}
}
break;
case QEMU_OPTION_numa:
opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_display:
display_type = select_display(optarg);
if (display_type < 0) {
return 1;
}
break;
case QEMU_OPTION_nographic:
display_type = DT_NOGRAPHIC;
break;
case QEMU_OPTION_curses:
#ifdef CONFIG_CURSES
display_type = DT_CURSES;
#else
fprintf(stderr, "Curses support is disabled\n");
return 1;
#endif
break;
case QEMU_OPTION_portrait:
graphic_rotate = 90;
break;
case QEMU_OPTION_rotate:
graphic_rotate = strtol(optarg, (char **) &optarg, 10);
if (graphic_rotate != 0 && graphic_rotate != 90 &&
graphic_rotate != 180 && graphic_rotate != 270) {
fprintf(stderr,
"qemu: only 90, 180, 270 deg rotation is available\n");
return 1;
}
break;
case QEMU_OPTION_kernel:
qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
break;
case QEMU_OPTION_initrd:
qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
break;
case QEMU_OPTION_append:
qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
break;
case QEMU_OPTION_dtb:
qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
break;
case QEMU_OPTION_cdrom:
drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
break;
case QEMU_OPTION_boot:
opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_fda:
case QEMU_OPTION_fdb:
drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
optarg, FD_OPTS);
break;
case QEMU_OPTION_no_fd_bootchk:
fd_bootchk = 0;
break;
case QEMU_OPTION_netdev:
if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
return 1;
}
break;
case QEMU_OPTION_net:
if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
return 1;
}
break;
#ifdef CONFIG_LIBISCSI
case QEMU_OPTION_iscsi:
opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
if (!opts) {
return 1;
}
break;
#endif
#ifdef CONFIG_SLIRP
case QEMU_OPTION_tftp:
legacy_tftp_prefix = optarg;
break;
case QEMU_OPTION_bootp:
legacy_bootp_filename = optarg;
break;
case QEMU_OPTION_redir:
if (net_slirp_redir(optarg) < 0)
return 1;
break;
#endif
case QEMU_OPTION_bt:
add_device_config(DEV_BT, optarg);
break;
case QEMU_OPTION_audio_help:
AUD_help ();
return (0);
break;
case QEMU_OPTION_audio_none:
setenv("QEMU_AUDIO_DRV", "none", 1);
break;
case QEMU_OPTION_soundhw:
select_soundhw (optarg);
break;
case QEMU_OPTION_h:
help();
return 0;
break;
case QEMU_OPTION_version:
version();
return 0;
break;
case QEMU_OPTION_m: {
uint64_t sz;
const char *mem_str;
const char *maxmem_str, *slots_str;
opts = qemu_opts_parse(qemu_find_opts("memory"),
optarg, 1);
if (!opts) {
return EXIT_FAILURE;
}
mem_str = qemu_opt_get(opts, "size");
if (!mem_str) {
error_report("invalid -m option, missing 'size' option");
return EXIT_FAILURE;
}
if (!*mem_str) {
error_report("missing 'size' option value");
return EXIT_FAILURE;
}
sz = qemu_opt_get_size(opts, "size", ram_size);
/* Fix up legacy suffix-less format */
if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
uint64_t overflow_check = sz;
sz <<= 20;
if ((sz >> 20) != overflow_check) {
error_report("too large 'size' option value");
return EXIT_FAILURE;
}
}
/* backward compatibility behaviour for case "-m 0" */
if (sz == 0) {
sz = default_ram_size;
}
sz = QEMU_ALIGN_UP(sz, 8192);
ram_size = sz;
if (ram_size != sz) {
error_report("ram size too large");
return EXIT_FAILURE;
}
maxram_size = ram_size;
maxmem_str = qemu_opt_get(opts, "maxmem");
slots_str = qemu_opt_get(opts, "slots");
if (maxmem_str && slots_str) {
uint64_t slots;
sz = qemu_opt_get_size(opts, "maxmem", 0);
if (sz < ram_size) {
error_report("invalid -m option value: maxmem "
"(0x%" PRIx64 ") <= initial memory (0x"
RAM_ADDR_FMT ")", sz, ram_size);
return EXIT_FAILURE;
}
slots = qemu_opt_get_number(opts, "slots", 0);
if ((sz > ram_size) && !slots) {
error_report("invalid -m option value: maxmem "
"(0x%" PRIx64 ") more than initial memory (0x"
RAM_ADDR_FMT ") but no hotplug slots where "
"specified", sz, ram_size);
return EXIT_FAILURE;
}
if ((sz <= ram_size) && slots) {
error_report("invalid -m option value: %"
PRIu64 " hotplug slots where specified but "
"maxmem (0x%" PRIx64 ") <= initial memory (0x"
RAM_ADDR_FMT ")", slots, sz, ram_size);
return EXIT_FAILURE;
}
maxram_size = sz;
ram_slots = slots;
} else if ((!maxmem_str && slots_str) ||
(maxmem_str && !slots_str)) {
error_report("invalid -m option value: missing "
"'%s' option", slots_str ? "maxmem" : "slots");
return EXIT_FAILURE;
}
break;
}
#ifdef CONFIG_TPM
case QEMU_OPTION_tpmdev:
if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
return 1;
}
break;
#endif
case QEMU_OPTION_mempath:
mem_path = optarg;
break;
case QEMU_OPTION_mem_prealloc:
mem_prealloc = 1;
break;
case QEMU_OPTION_d:
log_mask = optarg;
break;
case QEMU_OPTION_D:
log_file = optarg;
break;
case QEMU_OPTION_s:
add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
break;
case QEMU_OPTION_gdb:
add_device_config(DEV_GDB, optarg);
break;
case QEMU_OPTION_L:
if (data_dir_idx < ARRAY_SIZE(data_dir)) {
data_dir[data_dir_idx++] = optarg;
}
break;
case QEMU_OPTION_bios:
qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
break;
case QEMU_OPTION_singlestep:
singlestep = 1;
break;
case QEMU_OPTION_S:
autostart = 0;
break;
case QEMU_OPTION_k:
keyboard_layout = optarg;
break;
case QEMU_OPTION_localtime:
rtc_utc = 0;
break;
case QEMU_OPTION_vga:
vga_model = optarg;
default_vga = 0;
break;
case QEMU_OPTION_g:
{
const char *p;
int w, h, depth;
p = optarg;
w = strtol(p, (char **)&p, 10);
if (w <= 0) {
graphic_error:
fprintf(stderr, "qemu: invalid resolution or depth\n");
return 1;
}
if (*p != 'x')
goto graphic_error;
p++;
h = strtol(p, (char **)&p, 10);
if (h <= 0)
goto graphic_error;
if (*p == 'x') {
p++;
depth = strtol(p, (char **)&p, 10);
if (depth != 8 && depth != 15 && depth != 16 &&
depth != 24 && depth != 32)
goto graphic_error;
} else if (*p == '\0') {
depth = graphic_depth;
} else {
goto graphic_error;
}
graphic_width = w;
graphic_height = h;
graphic_depth = depth;
}
break;
case QEMU_OPTION_echr:
{
char *r;
term_escape_char = strtol(optarg, &r, 0);
if (r == optarg)
printf("Bad argument to echr\n");
break;
}
case QEMU_OPTION_monitor:
default_monitor = 0;
if (strncmp(optarg, "none", 4)) {
if (!monitor_parse(optarg, "readline")) {
return 1;
}
}
break;
case QEMU_OPTION_qmp:
if (!monitor_parse(optarg, "control")) {
return 1;
}
default_monitor = 0;
break;
case QEMU_OPTION_mon:
opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
if (!opts) {
return 1;
}
default_monitor = 0;
break;
case QEMU_OPTION_chardev:
opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_fsdev:
olist = qemu_find_opts("fsdev");
if (!olist) {
fprintf(stderr, "fsdev is not supported by this qemu build.\n");
return 1;
}
opts = qemu_opts_parse(olist, optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_virtfs: {
QemuOpts *fsdev;
QemuOpts *device;
const char *writeout, *sock_fd, *socket;
olist = qemu_find_opts("virtfs");
if (!olist) {
fprintf(stderr, "virtfs is not supported by this qemu build.\n");
return 1;
}
opts = qemu_opts_parse(olist, optarg, 1);
if (!opts) {
return 1;
}
if (qemu_opt_get(opts, "fsdriver") == NULL ||
qemu_opt_get(opts, "mount_tag") == NULL) {
fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
return 1;
}
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
qemu_opt_get(opts, "mount_tag"),
1, NULL);
if (!fsdev) {
fprintf(stderr, "duplicate fsdev id: %s\n",
qemu_opt_get(opts, "mount_tag"));
return 1;
}
writeout = qemu_opt_get(opts, "writeout");
if (writeout) {
#ifdef CONFIG_SYNC_FILE_RANGE
qemu_opt_set(fsdev, "writeout", writeout);
#else
fprintf(stderr, "writeout=immediate not supported on "
"this platform\n");
return 1;
#endif
}
qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
qemu_opt_set(fsdev, "security_model",
qemu_opt_get(opts, "security_model"));
socket = qemu_opt_get(opts, "socket");
if (socket) {
qemu_opt_set(fsdev, "socket", socket);
}
sock_fd = qemu_opt_get(opts, "sock_fd");
if (sock_fd) {
qemu_opt_set(fsdev, "sock_fd", sock_fd);
}
qemu_opt_set_bool(fsdev, "readonly",
qemu_opt_get_bool(opts, "readonly", 0));
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
&error_abort);
qemu_opt_set(device, "driver", "virtio-9p-pci");
qemu_opt_set(device, "fsdev",
qemu_opt_get(opts, "mount_tag"));
qemu_opt_set(device, "mount_tag",
qemu_opt_get(opts, "mount_tag"));
break;
}
case QEMU_OPTION_virtfs_synth: {
QemuOpts *fsdev;
QemuOpts *device;
fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
1, NULL);
if (!fsdev) {
fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
return 1;
}
qemu_opt_set(fsdev, "fsdriver", "synth");
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
&error_abort);
qemu_opt_set(device, "driver", "virtio-9p-pci");
qemu_opt_set(device, "fsdev", "v_synth");
qemu_opt_set(device, "mount_tag", "v_synth");
break;
}
case QEMU_OPTION_serial:
add_device_config(DEV_SERIAL, optarg);
default_serial = 0;
if (strncmp(optarg, "mon:", 4) == 0) {
default_monitor = 0;
}
break;
case QEMU_OPTION_watchdog:
if (watchdog) {
fprintf(stderr,
"qemu: only one watchdog option may be given\n");
return 1;
}
watchdog = optarg;
break;
case QEMU_OPTION_watchdog_action:
if (select_watchdog_action(optarg) == -1) {
fprintf(stderr, "Unknown -watchdog-action parameter\n");
return 1;
}
break;
case QEMU_OPTION_virtiocon:
add_device_config(DEV_VIRTCON, optarg);
default_virtcon = 0;
if (strncmp(optarg, "mon:", 4) == 0) {
default_monitor = 0;
}
break;
case QEMU_OPTION_parallel:
add_device_config(DEV_PARALLEL, optarg);
default_parallel = 0;
if (strncmp(optarg, "mon:", 4) == 0) {
default_monitor = 0;
}
break;
case QEMU_OPTION_debugcon:
add_device_config(DEV_DEBUGCON, optarg);
break;
case QEMU_OPTION_loadvm:
loadvm = optarg;
break;
case QEMU_OPTION_full_screen:
full_screen = 1;
break;
case QEMU_OPTION_no_frame:
no_frame = 1;
break;
case QEMU_OPTION_alt_grab:
alt_grab = 1;
break;
case QEMU_OPTION_ctrl_grab:
ctrl_grab = 1;
break;
case QEMU_OPTION_no_quit:
no_quit = 1;
break;
case QEMU_OPTION_sdl:
#if defined(CONFIG_SDL) || defined(CONFIG_ANDROID)
display_type = DT_SDL;
#else
fprintf(stderr, "SDL support is disabled\n");
return 1;
#endif
break;
case QEMU_OPTION_pidfile:
pid_file = optarg;
break;
case QEMU_OPTION_win2k_hack:
win2k_install_hack = 1;
break;
case QEMU_OPTION_rtc_td_hack: {
static GlobalProperty slew_lost_ticks[] = {
{
.driver = "mc146818rtc",
.property = "lost_tick_policy",
.value = "slew",
},
{ /* end of list */ }
};
qdev_prop_register_global_list(slew_lost_ticks);
break;
}
case QEMU_OPTION_acpitable:
opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
if (!opts) {
return 1;
}
do_acpitable_option(opts);
break;
case QEMU_OPTION_smbios:
opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
if (!opts) {
return 1;
}
do_smbios_option(opts);
break;
case QEMU_OPTION_enable_kvm:
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "accel=kvm", 0);
break;
case QEMU_OPTION_enable_hax:
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "accel=hax", 0);
hax_disable(0);
break;
case QEMU_OPTION_machine:
olist = qemu_find_opts("machine");
opts = qemu_opts_parse(olist, optarg, 1);
if (!opts) {
return 1;
}
optarg = qemu_opt_get(opts, "type");
if (optarg) {
machine_class = machine_parse(optarg);
if (!machine_class) {
return 1;
}
}
break;
case QEMU_OPTION_no_kvm:
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "accel=tcg", 0);
break;
case QEMU_OPTION_no_kvm_pit: {
fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
"separately.\n");
break;
}
case QEMU_OPTION_no_kvm_pit_reinjection: {
static GlobalProperty kvm_pit_lost_tick_policy[] = {
{
.driver = "kvm-pit",
.property = "lost_tick_policy",
.value = "discard",
},
{ /* end of list */ }
};
fprintf(stderr, "Warning: option deprecated, use "
"lost_tick_policy property of kvm-pit instead.\n");
qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
break;
}
case QEMU_OPTION_usb:
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "usb=on", 0);
break;
case QEMU_OPTION_usbdevice:
olist = qemu_find_opts("machine");
qemu_opts_parse(olist, "usb=on", 0);
add_device_config(DEV_USB, optarg);
break;
case QEMU_OPTION_device:
if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
return 1;
}
break;
case QEMU_OPTION_smp:
if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
return 1;
}
break;
case QEMU_OPTION_vnc:
#ifdef CONFIG_VNC
display_remote++;
vnc_display = optarg;
#else
fprintf(stderr, "VNC support is disabled\n");
return 1;
#endif
break;
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
break;
case QEMU_OPTION_no_hpet:
no_hpet = 1;
break;
case QEMU_OPTION_balloon:
if (balloon_parse(optarg) < 0) {
fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
return 1;
}
break;
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
case QEMU_OPTION_no_shutdown:
no_shutdown = 1;
break;
case QEMU_OPTION_show_cursor:
cursor_hide = 0;
break;
case QEMU_OPTION_uuid:
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
fprintf(stderr, "Fail to parse UUID string."
" Wrong format.\n");
return 1;
}
qemu_uuid_set = true;
break;
case QEMU_OPTION_option_rom:
if (nb_option_roms >= MAX_OPTION_ROMS) {
fprintf(stderr, "Too many option ROMs\n");
return 1;
}
opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
if (!opts) {
return 1;
}
option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
option_rom[nb_option_roms].bootindex =
qemu_opt_get_number(opts, "bootindex", -1);
if (!option_rom[nb_option_roms].name) {
fprintf(stderr, "Option ROM file is not specified\n");
return 1;
}
nb_option_roms++;
break;
case QEMU_OPTION_semihosting:
semihosting_enabled = 1;
break;
case QEMU_OPTION_tdf:
fprintf(stderr, "Warning: user space PIT time drift fix "
"is no longer supported.\n");
break;
case QEMU_OPTION_name:
opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_prom_env:
if (nb_prom_envs >= MAX_PROM_ENVS) {
fprintf(stderr, "Too many prom variables\n");
return 1;
}
prom_envs[nb_prom_envs] = optarg;
nb_prom_envs++;
break;
case QEMU_OPTION_old_param:
old_param = 1;
break;
case QEMU_OPTION_clock:
/* Clock options no longer exist. Keep this option for
* backward compatibility.
*/
break;
case QEMU_OPTION_startdate:
if (!configure_rtc_date_offset(optarg, 1)) {
return 1;
}
break;
case QEMU_OPTION_rtc:
opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
if (!opts) {
return 1;
}
if (!configure_rtc(opts)) {
return 1;
}
break;
case QEMU_OPTION_tb_size:
tcg_tb_size = strtol(optarg, NULL, 0);
if (tcg_tb_size < 0) {
tcg_tb_size = 0;
}
break;
case QEMU_OPTION_icount:
icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
optarg, 1);
if (!icount_opts) {
return 1;
}
break;
case QEMU_OPTION_incoming:
incoming = optarg;
runstate_set(RUN_STATE_INMIGRATE);
break;
case QEMU_OPTION_nodefaults:
has_defaults = 0;
break;
case QEMU_OPTION_xen_domid:
if (!(xen_available())) {
printf("Option %s not supported for this target\n", popt->name);
return 1;
}
xen_domid = atoi(optarg);
break;
case QEMU_OPTION_xen_create:
if (!(xen_available())) {
printf("Option %s not supported for this target\n", popt->name);
return 1;
}
xen_mode = XEN_CREATE;
break;
case QEMU_OPTION_xen_attach:
if (!(xen_available())) {
printf("Option %s not supported for this target\n", popt->name);
return 1;
}
xen_mode = XEN_ATTACH;
break;
case QEMU_OPTION_trace:
{
opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
if (!opts) {
return 1;
}
trace_events = qemu_opt_get(opts, "events");
trace_file = qemu_opt_get(opts, "file");
break;
}
case QEMU_OPTION_readconfig:
{
int ret = qemu_read_config_file(optarg);
if (ret < 0) {
fprintf(stderr, "read config %s: %s\n", optarg,
strerror(-ret));
return 1;
}
break;
}
case QEMU_OPTION_spice:
olist = qemu_find_opts("spice");
if (!olist) {
fprintf(stderr, "spice is not supported by this qemu build.\n");
return 1;
}
opts = qemu_opts_parse(olist, optarg, 0);
if (!opts) {
return 1;
}
display_remote++;
break;
case QEMU_OPTION_writeconfig:
{
FILE *fp;
if (strcmp(optarg, "-") == 0) {
fp = stdout;
} else {
fp = fopen(optarg, "w");
if (fp == NULL) {
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
return 1;
}
}
qemu_config_write(fp);
if (fp != stdout) {
fclose(fp);
}
break;
}
case QEMU_OPTION_qtest:
qtest_chrdev = optarg;
break;
case QEMU_OPTION_qtest_log:
qtest_log = optarg;
break;
case QEMU_OPTION_sandbox:
opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_add_fd:
#ifndef _WIN32
opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
if (!opts) {
return 1;
}
#else
error_report("File descriptor passing is disabled on this "
"platform");
return 1;
#endif
break;
case QEMU_OPTION_object:
opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
if (!opts) {
return 1;
}
break;
case QEMU_OPTION_realtime:
opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
if (!opts) {
return 1;
}
enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
break;
case QEMU_OPTION_msg:
opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
if (!opts) {
return 1;
}
configure_msg(opts);
break;
case QEMU_OPTION_dump_vmstate:
if (vmstate_dump_file) {
fprintf(stderr, "qemu: only one '-dump-vmstate' "
"option may be given\n");
return 1;
}
vmstate_dump_file = fopen(optarg, "w");
if (vmstate_dump_file == NULL) {
fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
return 1;
}
break;
#ifdef CONFIG_ANDROID
case QEMU_OPTION_boot_property:
save_cmd_property((char*)optarg);
break;
case QEMU_OPTION_lcd_density:
lcd_density = strtol(optarg, (char **) &optarg, 10);
switch (lcd_density) {
case LCD_DENSITY_LDPI:
case LCD_DENSITY_MDPI:
case LCD_DENSITY_TVDPI:
case LCD_DENSITY_HDPI:
case LCD_DENSITY_280DPI:
case LCD_DENSITY_XHDPI:
case LCD_DENSITY_360DPI:
case LCD_DENSITY_400DPI:
case LCD_DENSITY_420DPI:
case LCD_DENSITY_XXHDPI:
case LCD_DENSITY_560DPI:
case LCD_DENSITY_XXXHDPI:
break;
default:
fprintf(stderr, "qemu: available lcd densities are: "
"120, 160, 213, 240, 280, 320, 360, 400, 420, 480, 560, 640\n");
return 1;
}
break;
case QEMU_OPTION_dns_server:
android_op_dns_server = (char*)optarg;
break;
case QEMU_OPTION_http_proxy:
op_http_proxy = (char*)optarg;
break;
case QEMU_OPTION_android_hw:
android_hw_file = optarg;
break;
case QEMU_OPTION_android_ports:
android_op_ports = (char*)optarg;
if (!android_parse_ports_option(android_op_ports,
&android_op_ports_numbers[0],
&android_op_ports_numbers[1])) {
return 1;
}
break;
case QEMU_OPTION_android_report_console:
android_op_report_console = (char*)optarg;
break;
case QEMU_OPTION_android_skip_adb_auth:
adb_auth = 0;
break;
case QEMU_OPTION_timezone:
if (timezone_set((char*)optarg)) {
fprintf(stderr, "emulator: it seems the timezone '%s' is not in zoneinfo format\n",
(char*)optarg);
}
break;
#endif // CONFIG_ANDROID
default:
os_parse_cmd_args(popt->index, optarg);
}
}
}
loc_set_none();
os_daemonize();
if (qemu_init_main_loop(&main_loop_err)) {
error_report("%s", error_get_pretty(main_loop_err));
return 1;
}
#ifdef CONFIG_ANDROID
/* At this point, both block drivers and main loop have been initialized
* which means we can create the QCoW2 images to boot from.
* The QCoW2 images are backed by the "raw" images specified in the AVD
* config, and contain diffs to the backing image. Snapshot data is also
* written to QCoW2 images.*/
if(!create_qcow2_images()) {
return 1;
}
/* Ensure Looper implementation for this thread is based on the QEMU
* main loop. */
qemu_looper_setForThread();
/* make sure qemud is initialized before any calls to it */
android_qemu2_qemud_init();
boot_property_init_service();
android_hw_control_init();
socket_drainer_start(looper_getForThread());
android_wear_agent_start(looper_getForThread());
if (!android_hw_file) {
error_report("Missing -android-hw <file> option!");
return 1;
}
CIniFile* hw_ini = iniFile_newFromFile(android_hw_file);
if (hw_ini == NULL) {
error_report("Could not find %s file.", android_hw_file);
return 1;
}
androidHwConfig_init(android_hw, 0);
androidHwConfig_read(android_hw, hw_ini);
/* If we're loading VM from a snapshot, make sure that the current HW config
* matches the one with which the VM has been saved. */
if (loadvm && *loadvm && !snaphost_match_configs(hw_ini, loadvm)) {
error_report("HW config doesn't match the one in the snapshot");
return 0;
}
iniFile_free(hw_ini);
{
int width = android_hw->hw_lcd_width;
int height = android_hw->hw_lcd_height;
int depth = android_hw->hw_lcd_depth;
/* A bit of sanity checking */
if (width <= 0 || height <= 0 ||
(depth != 16 && depth != 32) ||
((width & 1) != 0) )
{
error_report("Invalid display configuration (%d,%d,%d)",
width, height, depth);
return 1;
}
android_display_width = width;
android_display_height = height;
goldfish_fb_set_display_depth(depth);
}
/* Initialize camera */
android_camera_service_init();
/* Initialize multi-touch emulation. */
if (androidHwConfig_isScreenMultiTouch(android_hw)) {
mts_port_create(NULL, gQAndroidUserEventAgent, gQAndroidDisplayAgent);
}
/* qemu.gles will be read by the OpenGL ES emulation libraries.
* If set to 0, the software GL ES renderer will be used as a fallback.
* If the parameter is undefined, this means the system image runs
* inside an emulator that doesn't support GPU emulation at all.
*
* The GL ES renderer cannot start properly if GPU emulation is disabled
* because this requires changing the LD_LIBRARY_PATH before launching
* the emulation engine. */
int qemu_gles = 0;
is_opengl_alive = 1;
if (android_hw->hw_gpu_enabled) {
if (strcmp(android_hw->hw_gpu_mode, "guest") != 0) {
if (android_initOpenglesEmulation() != 0 ||
android_startOpenglesRenderer(android_hw->hw_lcd_width,
android_hw->hw_lcd_height) != 0) {
is_opengl_alive = 0;
} else {
goldfish_fb_set_use_host_gpu(1);
qemu_gles = 1; // Using emugl
}
} else {
qemu_gles = 2; // Using guest
}
}
if (qemu_gles) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "%d", 0x20000);
boot_property_add("ro.opengles.version", tmp);
}
/* Set the VM's max heap size, passed as a boot property */
if (android_hw->vm_heapSize > 0) {
char temp[64];
snprintf(temp, sizeof(temp), "%dm", android_hw->vm_heapSize);
boot_property_add("dalvik.vm.heapsize",temp);
}
/* From API 19 and above, the platform provides an explicit property for low memory devices. */
if (android_hw->hw_ramSize <= 512) {
boot_property_add("ro.config.low_ram", "true");
}
/* Initialize presence of hardware nav button */
boot_property_add("qemu.hw.mainkeys", android_hw->hw_mainKeys ? "1" : "0");
/* Bypass adb security or not. */
boot_property_add("qemu.adb.secure", adb_auth ? "1": "0");
if (android_hw->hw_gsmModem) {
if (android_qemud_get_channel(ANDROID_QEMUD_GSM,
&android_modem_serial_line) < 0) {
error_report("could not initialize qemud 'gsm' channel");
return 1;
}
}
if (android_hw->hw_gps) {
if (android_qemud_get_channel(ANDROID_QEMUD_GPS,
&android_gps_serial_line) < 0) {
error_report("could not initialize qemud 'gps' channel");
return 1;
}
}
if (lcd_density) {
char temp[8];
snprintf(temp, sizeof(temp), "%d", lcd_density);
boot_property_add("qemu.sf.lcd_density", temp);
}
int dns_count = 0;
if (android_op_dns_server) {
dns_count = slirp_parse_dns_servers(android_op_dns_server);
if (dns_count == -2) {
// Special case for better user feedback on this error message
fprintf(stderr,
"too many servers specified in -dns-server-parameter "
"argument '%s'. A maximum of %d is supported.\n",
android_op_dns_server,
slirp_get_max_dns_servers());
return 1;
} else if (dns_count < 0) {
fprintf(stderr, "invalid -dns-server parameter '%s'\n",
android_op_dns_server);
return 1;
}
if (dns_count == 0) {
printf("### WARNING: will use system default DNS server\n");
}
}
if (dns_count == 0) {
dns_count = slirp_get_system_dns_servers();
if (dns_count < 0) {
printf("### WARNING: unable to configure any DNS servers, "
"name resolution will not work\n");
}
}
if (dns_count > 1) {
additional_kernel_params = g_strdup_printf("ndns=%d", dns_count);
}
#endif // CONFIG_ANDROID
if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
return 1;
}
if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
return 1;
}
#ifndef _WIN32
if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
return 1;
}
if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
return 1;
}
#endif
if (machine_class == NULL) {
fprintf(stderr, "No machine specified, and there is no default.\n"
"Use -machine help to list supported machines!\n");
return 1;
}
current_machine = MACHINE(object_new(object_class_get_name(
OBJECT_CLASS(machine_class))));
object_property_add_child(object_get_root(), "machine",
OBJECT(current_machine), &error_abort);
cpu_exec_init_all();
if (machine_class->hw_version) {
qemu_set_version(machine_class->hw_version);
}
/* Init CPU def lists, based on config
* - Must be called after all the qemu_read_config_file() calls
* - Must be called before list_cpus()
* - Must be called before machine->init()
*/
cpudef_init();
if (cpu_model && is_help_option(cpu_model)) {
list_cpus(stdout, &fprintf, cpu_model);
return 0;
}
/* Open the logfile at this point, if necessary. We can't open the logfile
* when encountering either of the logging options (-d or -D) because the
* other one may be encountered later on the command line, changing the
* location or level of logging.
*/
if (log_mask) {
int mask;
if (log_file) {
qemu_set_log_filename(log_file);
}
mask = qemu_str_to_log_mask(log_mask);
if (!mask) {
qemu_print_log_usage(stdout);
return 1;
}
qemu_set_log(mask);
}
if (!is_daemonized()) {
if (!trace_init_backends(trace_events, trace_file)) {
return 1;
}
}
/* If no data_dir is specified then try to find it relative to the
executable path. */
if (data_dir_idx < ARRAY_SIZE(data_dir)) {
data_dir[data_dir_idx] = os_find_datadir();
if (data_dir[data_dir_idx] != NULL) {
data_dir_idx++;
}
}
/* If all else fails use the install path specified when building. */
if (data_dir_idx < ARRAY_SIZE(data_dir)) {
data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
}
if (!smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL))) {
return false;
}
machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
if (smp_cpus > machine_class->max_cpus) {
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
"supported by machine `%s' (%d)\n", smp_cpus,
machine_class->name, machine_class->max_cpus);
return 1;
}
/*
* Get the default machine options from the machine if it is not already
* specified either by the configuration file or by the command line.
*/
if (machine_class->default_machine_opts) {
qemu_opts_set_defaults(qemu_find_opts("machine"),
machine_class->default_machine_opts, 0);
}
qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
if (!vga_model && !default_vga) {
vga_interface_type = VGA_DEVICE;
}
if (!has_defaults || machine_class->no_serial) {
default_serial = 0;
}
if (!has_defaults || machine_class->no_parallel) {
default_parallel = 0;
}
if (!has_defaults || !machine_class->use_virtcon) {
default_virtcon = 0;
}
if (!has_defaults || !machine_class->use_sclp) {
default_sclp = 0;
}
if (!has_defaults || machine_class->no_floppy) {
default_floppy = 0;
}
if (!has_defaults || machine_class->no_cdrom) {
default_cdrom = 0;
}
if (!has_defaults || machine_class->no_sdcard) {
default_sdcard = 0;
}
if (!has_defaults) {
default_monitor = 0;
default_net = 0;
default_vga = 0;
}
if (is_daemonized()) {
/* According to documentation and historically, -nographic redirects
* serial port, parallel port and monitor to stdio, which does not work
* with -daemonize. We can redirect these to null instead, but since
* -nographic is legacy, let's just error out.
* We disallow -nographic only if all other ports are not redirected
* explicitly, to not break existing legacy setups which uses
* -nographic _and_ redirects all ports explicitly - this is valid
* usage, -nographic is just a no-op in this case.
*/
if (display_type == DT_NOGRAPHIC
&& (default_parallel || default_serial
|| default_monitor || default_virtcon)) {
fprintf(stderr, "-nographic can not be used with -daemonize\n");
return 1;
}
#ifdef CONFIG_CURSES
if (display_type == DT_CURSES) {
fprintf(stderr, "curses display can not be used with -daemonize\n");
return 1;
}
#endif
}
if (display_type == DT_NOGRAPHIC) {
if (default_parallel)
add_device_config(DEV_PARALLEL, "null");
if (default_serial && default_monitor) {
add_device_config(DEV_SERIAL, "mon:stdio");
} else if (default_virtcon && default_monitor) {
add_device_config(DEV_VIRTCON, "mon:stdio");
} else if (default_sclp && default_monitor) {
add_device_config(DEV_SCLP, "mon:stdio");
} else {
if (default_serial)
add_device_config(DEV_SERIAL, "stdio");
if (default_virtcon)
add_device_config(DEV_VIRTCON, "stdio");
if (default_sclp) {
add_device_config(DEV_SCLP, "stdio");
}
if (default_monitor) {
if (!monitor_parse("stdio", "readline")) {
return 1;
}
}
}
} else {
if (default_serial)
add_device_config(DEV_SERIAL, "vc:80Cx24C");
if (default_parallel)
add_device_config(DEV_PARALLEL, "vc:80Cx24C");
if (default_monitor) {
if (!monitor_parse("vc:80Cx24C", "readline")) {
return 1;
}
}
if (default_virtcon)
add_device_config(DEV_VIRTCON, "vc:80Cx24C");
if (default_sclp) {
add_device_config(DEV_SCLP, "vc:80Cx24C");
}
}
if (display_type == DT_DEFAULT && !display_remote) {
#if defined(CONFIG_GTK)
display_type = DT_GTK;
#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA) || defined(CONFIG_ANDROID)
display_type = DT_SDL;
#elif defined(CONFIG_VNC)
vnc_display = "localhost:0,to=99";
show_vnc_port = 1;
#else
display_type = DT_NONE;
#endif
}
if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
"for SDL, ignoring option\n");
}
if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
"ignoring option\n");
}
#if defined(CONFIG_GTK)
if (display_type == DT_GTK) {
early_gtk_display_init();
}
#endif
#ifndef CONFIG_ANDROID
// When using AndroidEmu, this "main" is no longer the entry point on the
// main thread. It is in fact called on a secondary thread, and socket
// initialization is long finished (See android-qemu2-glue/main.cpp).
socket_init();
#endif
if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
return 1;
#ifdef CONFIG_VIRTFS
if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
return 1;
}
#endif
if (pid_file && qemu_create_pidfile(pid_file) != 0) {
fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
return 1;
}
#if defined(CONFIG_HAX)
uint64_t hax_max_ram = 0;
if (hax_get_max_ram(&hax_max_ram) == 0 && hax_max_ram > 0) {
#ifdef CONFIG_ANDROID
char str[32] = {0};
snprintf(str, sizeof(str) - 1, "%"PRIu64, hax_max_ram);
crashhandler_add_string("hax_max_ram.txt", str);
#endif
// current haxm cannot handle more than 3G memory
// b.android.com/214422
if (hax_max_ram > 3072LL * 1024 * 1024) {
hax_max_ram = 3072LL * 1024 * 1024;
}
if (ram_size > hax_max_ram) {
const int requested_meg = ram_size / (1024 * 1024);
const int actual_meg = hax_max_ram / (1024 * 1024);
fprintf(stderr, "Warning: requested ram_size %dM too big, reduced to %dM\n",
requested_meg, actual_meg);
ram_size = hax_max_ram;
}
}
#endif /* CONFIG_HAX */
/* store value for the future use */
qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
hax_pre_init(ram_size);
if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
!= 0) {
return 0;
}
if (qemu_opts_foreach(qemu_find_opts("object"),
object_create, NULL, 0) != 0) {
return 1;
}
machine_opts = qemu_get_machine_opts();
if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
1) < 0) {
object_unref(OBJECT(current_machine));
return 1;
}
if (configure_accelerator(current_machine)) {
return 1;
}
if (qtest_chrdev) {
Error *local_err = NULL;
qtest_init(qtest_chrdev, qtest_log, &local_err);
if (local_err) {
error_report("%s", error_get_pretty(local_err));
error_free(local_err);
return 1;
}
}
machine_opts = qemu_get_machine_opts();
kernel_filename = qemu_opt_get(machine_opts, "kernel");
initrd_filename = qemu_opt_get(machine_opts, "initrd");
kernel_cmdline = qemu_opt_get(machine_opts, "append");
bios_name = qemu_opt_get(machine_opts, "firmware");
boot_order = machine_class->default_boot_order;
opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
if (opts) {
char *normal_boot_order;
const char *order, *once;
order = qemu_opt_get(opts, "order");
if (order) {
if (!validate_bootdevices(order)) {
return 1;
}
boot_order = order;
}
once = qemu_opt_get(opts, "once");
if (once) {
if (!validate_bootdevices(once)) {
return 1;
}
normal_boot_order = g_strdup(boot_order);
boot_order = once;
qemu_register_reset(restore_boot_order, normal_boot_order);
}
boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
boot_strict = qemu_opt_get_bool(opts, "strict", false);
}
current_machine->kernel_cmdline =
g_strdup(kernel_cmdline ? kernel_cmdline : "");
#ifdef CONFIG_ANDROID
if (additional_kernel_params) {
char* combined = g_strdup_printf("%s %s",
current_machine->kernel_cmdline,
additional_kernel_params);
g_free(additional_kernel_params);
additional_kernel_params = NULL;
g_free(current_machine->kernel_cmdline);
current_machine->kernel_cmdline = combined;
}
#endif // CONFIG_ANDROID
linux_boot = (kernel_filename != NULL);
if (!linux_boot && *current_machine->kernel_cmdline != '\0') {
fprintf(stderr, "-append only allowed with -kernel option\n");
return 1;
}
if (!linux_boot && initrd_filename != NULL) {
fprintf(stderr, "-initrd only allowed with -kernel option\n");
return 1;
}
if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
fprintf(stderr, "-dtb only allowed with -kernel option\n");
return 1;
}
os_set_line_buffering();
qemu_init_cpu_loop();
qemu_mutex_lock_iothread();
#ifdef CONFIG_SPICE
/* spice needs the timers to be initialized by this point */
qemu_spice_init();
#endif
cpu_ticks_init();
if (icount_opts) {
if (kvm_enabled() || xen_enabled() || hax_enabled()) {
fprintf(stderr, "-icount is not allowed with kvm or xen or hax\n");
return 1;
}
configure_icount(icount_opts, &error_abort);
qemu_opts_del(icount_opts);
}
/* clean up network at qemu process termination */
atexit(&net_cleanup);
if (net_init_clients() < 0) {
return 1;
}
#ifdef CONFIG_TPM
if (tpm_init() < 0) {
return 1;
}
#endif
/* init the bluetooth world */
if (foreach_device_config(DEV_BT, bt_parse))
return 1;
if (!xen_enabled()) {
/* On 32-bit hosts, QEMU is limited by virtual address space */
if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
return 1;
}
}
blk_mig_init();
ram_mig_init();
/* If the currently selected machine wishes to override the units-per-bus
* property of its default HBA interface type, do so now. */
if (machine_class->units_per_default_bus) {
override_max_devs(machine_class->block_default_type,
machine_class->units_per_default_bus);
}
/* open the virtual block devices */
if (snapshot)
qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
&machine_class->block_default_type, 1) != 0) {
return 1;
}
if (!default_drive(default_cdrom, snapshot,
machine_class->block_default_type, 2, CDROM_OPTS)) {
return 1;
}
if (!default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS)) {
return 1;
}
if (!default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS)) {
return 1;
}
if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
NULL, 1) != 0) {
return 1;
}
set_numa_nodes();
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
return 1;
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
return 1;
if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
return 1;
if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
return 1;
}
if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
return 1;
/* If no default VGA is requested, the default is "none". */
if (default_vga) {
if (machine_class->default_display) {
vga_model = machine_class->default_display;
} else if (cirrus_vga_available()) {
vga_model = "cirrus";
} else if (vga_available()) {
vga_model = "std";
}
}
if (vga_model) {
select_vgahw(vga_model);
}
if (watchdog) {
i = select_watchdog(watchdog);
if (i > 0)
return (i == 1 ? 1 : 0);
}
if (machine_class->compat_props) {
qdev_prop_register_global_list(machine_class->compat_props);
}
#if defined(CONFIG_ANDROID)
/* Configure goldfish events device */
{
bool have_multitouch = androidHwConfig_isScreenMultiTouch(android_hw);
/* TODO(digit): Should we set this up as command-line parameters
* in android-qemu2-glue/main.cpp:main() instead? as in:
*
* -set device.goldfish-events.have-dpad=<value>
* -set device.goldfish-events.have-trackball=<value>
* ...
*/
// The GlobalProperty values are directly added to a global linked list
// so store them in a static array instead of the stack to ensure they
// have the proper lifecycle. We then initialize the array with
// values computed dynamically.
#define LIST_GOLDFISH_EVENT_PROPS(X) \
X("have-dpad", android_hw->hw_dPad) \
X("have-trackball", android_hw->hw_trackBall) \
X("have-camera", \
strcmp(android_hw->hw_camera_back, "none") || \
strcmp(android_hw->hw_camera_front, "none")) \
X("have-keyboard", android_hw->hw_keyboard) \
X("have-lidswitch", android_hw->hw_keyboard_lid) \
X("have-touch", androidHwConfig_isScreenTouch(android_hw)) \
X("have-multitouch", have_multitouch)
#define GOLDFISH_DECLARE_PROP(name, value) \
{ \
.driver = "goldfish-events", \
.property = name, \
},
static GlobalProperty goldfish_events_properties[] = {
LIST_GOLDFISH_EVENT_PROPS(GOLDFISH_DECLARE_PROP) \
{ /* end of list */ }
};
// Then initialize them.
#define GOLDFISH_INIT_PROP(name, val) \
goldfish_events_properties[n].value = (val) ? "true" : "false"; \
VERBOSE_PRINT(init, \
"goldfish_events.%s: %s", \
goldfish_events_properties[n].property, \
goldfish_events_properties[n].value); \
n++;
int n = 0;
LIST_GOLDFISH_EVENT_PROPS(GOLDFISH_INIT_PROP)
#undef GOLDFISH_INIT_PROP
#undef GOLDFISH_DECLARE_PROP
qdev_prop_register_global_list(goldfish_events_properties);
if (have_multitouch) {
// in android-qemu2-glue/qemu-user-event-agent-impl.c
extern const GoldfishEventMultitouchFuncs
qemu2_goldfish_event_multitouch_funcs;
goldfish_events_enable_multitouch(
&qemu2_goldfish_event_multitouch_funcs);
}
}
#endif // CONFIG_ANDROID
qemu_add_globals();
qdev_machine_init();
current_machine->ram_size = ram_size;
current_machine->maxram_size = maxram_size;
current_machine->ram_slots = ram_slots;
current_machine->boot_order = boot_order;
current_machine->cpu_model = cpu_model;
machine_class->init(current_machine);
#ifdef CONFIG_ANDROID
if (android_init_error_occurred()) {
// Something went wrong when initializing the virtual machine
return 1;
}
#endif
if (!realtime_init()) {
return 1;
}
if (!audio_init()) {
return 1;
}
cpu_synchronize_all_post_init();
set_numa_modes();
if (hax_enabled()) {
if (hax_sync_vcpus() < 0) {
fprintf(stderr, "Internal error: initial hax sync failed\n");
return 1;
}
}
/* init USB devices */
if (usb_enabled(false)) {
if (foreach_device_config(DEV_USB, usb_parse) < 0)
return 1;
}
/* init generic devices */
if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
return 1;
/* Did we create any drives that we failed to create a device for? */
drive_check_orphaned();
net_check_clients();
#if defined(CONFIG_ANDROID)
/* call android-specific setup function */
if (!qemu_android_emulation_setup()) {
return 1;
}
extern void android_emulator_set_base_port(int);
android_emulator_set_base_port(android_base_port);
#endif // CONFIG_ANDROID
ds = init_displaystate();
/* init local displays */
switch (display_type) {
case DT_NOGRAPHIC:
(void)ds; /* avoid warning if no display is configured */
break;
#if defined(CONFIG_CURSES)
case DT_CURSES:
curses_display_init(ds, full_screen);
break;
#endif
#if defined(CONFIG_SDL) || defined(CONFIG_ANDROID)
case DT_SDL:
if (!sdl_display_init(ds, full_screen, no_frame)) {
return 1;
}
break;
#elif defined(CONFIG_COCOA)
case DT_SDL:
cocoa_display_init(ds, full_screen);
break;
#endif
#if defined(CONFIG_GTK)
case DT_GTK:
gtk_display_init(ds, full_screen, grab_on_hover);
break;
#endif
default:
break;
}
/* must be after terminal init, SDL library changes signal handlers */
os_setup_signal_handling();
#ifdef CONFIG_VNC
/* init remote displays */
if (vnc_display) {
Error *local_err = NULL;
vnc_display_init(ds);
vnc_display_open(ds, vnc_display, &local_err);
if (local_err != NULL) {
error_report("Failed to start VNC server on `%s': %s",
vnc_display, error_get_pretty(local_err));
error_free(local_err);
return 1;
}
if (show_vnc_port) {
printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
}
}
#endif
#ifdef CONFIG_SPICE
if (using_spice) {
qemu_spice_display_init();
}
#endif
if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
return 1;
}
qdev_machine_creation_done();
if (rom_load_all() != 0) {
fprintf(stderr, "rom loading failed\n");
return 1;
}
if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
return 1;
}
#ifdef CONFIG_ANDROID
// Parse the System boot parameters from the command line last,
// so they take precedence
process_cmd_properties();
#endif // CONFIG_ANDROID
/* TODO: once all bus devices are qdevified, this should be done
* when bus is created by qdev.c */
qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
qemu_run_machine_init_done_notifiers();
/* Done notifiers can load ROMs */
rom_load_done();
qemu_system_reset(VMRESET_SILENT);
if (loadvm) {
if (load_vmstate(loadvm) < 0) {
autostart = 0;
}
}
qdev_prop_check_globals();
if (vmstate_dump_file) {
/* dump and return */
dump_vmstate_json_to_file(vmstate_dump_file);
return 0;
}
if (incoming) {
Error *local_err = NULL;
qemu_start_incoming_migration(incoming, &local_err);
if (local_err) {
error_report("-incoming %s: %s", incoming,
error_get_pretty(local_err));
error_free(local_err);
return 1;
}
} else if (autostart) {
vm_start();
}
os_setup_post();
if (is_daemonized()) {
if (!trace_init_backends(trace_events, trace_file)) {
return 1;
}
}
#ifdef CONFIG_ANDROID
// Initialize reporting right before entering main loop.
// We want to track performance of a running emulator, ignoring any early
// exits as a result of incorrect setup.
if (!android_reporting_setup()) {
return 1;
}
#endif
main_loop();
#ifdef CONFIG_ANDROID
crashhandler_exitmode("after main_loop");
android_wear_agent_stop();
socket_drainer_stop();
#endif
bdrv_close_all();
pause_all_vcpus();
res_free();
#ifdef CONFIG_TPM
tpm_cleanup();
#endif
#ifdef CONFIG_ANDROID
android_reporting_teardown();
#endif
return 0;
}