Initial import of abandoned HQEMU version 2.5.2HEADmaster

1 files changed, 4711 insertions, 0 deletions

diff --git a/src/vl.c b/src/vl.c
new file mode 100644
index 0000000..0fe3be8
--- /dev/null
+++ b/src/vl.c
@@ -0,0 +1,4711 @@
+/*
+ * 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
+
+#ifdef CONFIG_SDL
+#if defined(__APPLE__) || defined(main)
+#include <SDL.h>
+int qemu_main(int argc, char **argv, char **envp);
+int main(int argc, char **argv)
+{
+    return qemu_main(argc, argv, NULL);
+}
+#undef main
+#define main qemu_main
+#endif
+#endif /* CONFIG_SDL */
+
+#ifdef CONFIG_COCOA
+#undef main
+#define main qemu_main
+#endif /* CONFIG_COCOA */
+
+#include <glib.h>
+
+#include "qemu/error-report.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/smbios/smbios.h"
+#include "hw/xen/xen.h"
+#include "hw/qdev.h"
+#include "hw/loader.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 "sysemu/numa.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 "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"
+#include "exec/semihost.h"
+#include "crypto/init.h"
+#include "sysemu/replay.h"
+#include "qapi/qmp/qerror.h"
+
+#define MAX_VIRTIO_CONSOLES 1
+#define MAX_SCLP_CONSOLES 1
+
+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;
+int request_opengl = -1;
+int display_opengl;
+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;
+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;
+const char *watchdog;
+QEMUOptionRom option_rom[MAX_OPTION_ROMS];
+int nb_option_roms;
+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;
+
+/* 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 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       },
+    { .driver = "virtio-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 = {
+        /*
+         * no elements => accept any
+         * sanity checking will happen later
+         * when setting machine properties
+         */
+        { }
+    },
+};
+
+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,
+        }, {
+            .name = "sleep",
+            .type = QEMU_OPT_BOOL,
+        }, {
+            .name = "rr",
+            .type = QEMU_OPT_STRING,
+        }, {
+            .name = "rrfile",
+            .type = QEMU_OPT_STRING,
+        },
+        { /* end of list */ }
+    },
+};
+
+static QemuOptsList qemu_semihosting_config_opts = {
+    .name = "semihosting-config",
+    .implied_opt_name = "enable",
+    .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
+    .desc = {
+        {
+            .name = "enable",
+            .type = QEMU_OPT_BOOL,
+        }, {
+            .name = "target",
+            .type = QEMU_OPT_STRING,
+        }, {
+            .name = "arg",
+            .type = QEMU_OPT_STRING,
+        },
+        { /* end of list */ }
+    },
+};
+
+static QemuOptsList qemu_fw_cfg_opts = {
+    .name = "fw_cfg",
+    .implied_opt_name = "name",
+    .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
+    .desc = {
+        {
+            .name = "name",
+            .type = QEMU_OPT_STRING,
+            .help = "Sets the fw_cfg name of the blob to be inserted",
+        }, {
+            .name = "file",
+            .type = QEMU_OPT_STRING,
+            .help = "Sets the name of the file from which\n"
+                    "the fw_cfg blob will be loaded",
+        }, {
+            .name = "string",
+            .type = QEMU_OPT_STRING,
+            .help = "Sets content of the blob to be inserted from a string",
+        },
+        { /* end of list */ }
+    },
+};
+
+/**
+ * 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)
+{
+    g_free(boot_splash_filedata);
+    boot_splash_filedata = NULL;
+}
+
+static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
+{
+    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_INTERNAL_ERROR },
+    { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
+    { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
+    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
+    { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
+    { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
+    { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
+    { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
+    { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
+
+    { 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;
+}
+
+bool runstate_store(char *str, size_t size)
+{
+    const char *state = RunState_lookup[current_run_state];
+    size_t len = strlen(state) + 1;
+
+    if (len > size) {
+        return false;
+    }
+    memcpy(str, state, len);
+    return true;
+}
+
+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]) {
+        error_report("invalid runstate transition: '%s' -> '%s'",
+                     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();
+}
+
+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 */
+
+static time_t qemu_time(void)
+{
+    return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
+}
+
+/***********************************************************/
+/* host time/date access */
+void qemu_get_timedate(struct tm *tm, int offset)
+{
+    time_t ti = qemu_time();
+
+    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 - qemu_time();
+}
+
+static void 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:
+            error_report("invalid date format");
+            error_printf("valid formats: "
+                         "'2006-06-17T16:01:21' or '2006-06-17'\n");
+            exit(1);
+        }
+        rtc_date_offset = qemu_time() - rtc_start_date;
+    }
+}
+
+static void 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")) {
+            Error *blocker = NULL;
+            rtc_utc = 0;
+            error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
+                      "-rtc base=localtime");
+            replay_add_blocker(blocker);
+        } else {
+            configure_rtc_date_offset(value, 0);
+        }
+    }
+    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 {
+            error_report("invalid option value '%s'", value);
+            exit(1);
+        }
+    }
+    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 {
+            error_report("invalid option value '%s'", value);
+            exit(1);
+        }
+    }
+}
+
+/***********************************************************/
+/* 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) {
+        error_report("too many bluetooth HCIs (max %i)", 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)
+        error_report("warning: adding a VHCI to an empty scatternet %i",
+                     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) {
+            error_report("unrecognised bluetooth vlan Id");
+            return 0;
+        }
+    }
+
+    vlan = qemu_find_bt_vlan(vlan_id);
+
+    if (!vlan->slave)
+        error_report("warning: adding a slave device to an empty scatternet %i",
+                     vlan_id);
+
+    if (!strcmp(devname, "keyboard"))
+        return bt_keyboard_init(vlan);
+
+    error_report("unsupported bluetooth device '%s'", 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) {
+                        error_report("bad scatternet '%s'", p);
+                        return 1;
+                    }
+                } else {
+                    error_report("bad parameter '%s'", endp + 1);
+                    return 1;
+                }
+            } else
+                vlan = 0;
+
+            bt_vhci_add(vlan);
+            return 0;
+        }
+    } else if (strstart(opt, "device:", &endp))
+        return !bt_device_add(endp);
+
+    error_report("bad bluetooth parameter '%s'", opt);
+    return 1;
+}
+
+static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
+{
+    /* FIXME: change this to true for 1.3 */
+    if (qemu_opt_get_bool(opts, "enable", false)) {
+#ifdef CONFIG_SECCOMP
+        if (seccomp_start() < 0) {
+            error_report("failed to install seccomp syscall filter "
+                         "in the kernel");
+            return -1;
+        }
+#else
+        error_report("seccomp support is disabled");
+        return -1;
+#endif
+    }
+
+    return 0;
+}
+
+static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
+{
+    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 defaults_enabled(void)
+{
+    return has_defaults;
+}
+
+bool usb_enabled(void)
+{
+    return machine_usb(current_machine);
+}
+
+#ifndef _WIN32
+static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
+{
+    int fd, dupfd, flags;
+    int64_t fdset_id;
+    const char *fd_opaque = NULL;
+    AddfdInfo *fdinfo;
+
+    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) {
+        error_report("fd option is required and must be non-negative");
+        return -1;
+    }
+
+    if (fd <= STDERR_FILENO) {
+        error_report("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)) {
+        error_report("fd is not valid or already in use");
+        return -1;
+    }
+
+    if (fdset_id < 0) {
+        error_report("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) {
+        error_report("error duplicating fd: %s", strerror(errno));
+        return -1;
+    }
+
+    /* add the duplicate fd, and optionally the opaque string, to the fd set */
+    fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
+                                  &error_abort);
+    g_free(fdinfo);
+
+    return 0;
+}
+
+static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
+{
+    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(void *opaque, QemuOpts *opts, Error **errp)
+{
+    BlockInterfaceType *block_default_type = opaque;
+
+    return drive_new(opts, *block_default_type) == NULL;
+}
+
+static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
+{
+    if (qemu_opt_get(opts, "snapshot") == NULL) {
+        qemu_opt_set(opts, "snapshot", "on", &error_abort);
+    }
+    return 0;
+}
+
+static void 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;
+    }
+
+    opts = drive_add(type, index, NULL, optstr);
+    if (snapshot) {
+        drive_enable_snapshot(NULL, opts, NULL);
+    }
+
+    dinfo = drive_new(opts, type);
+    if (!dinfo) {
+        exit(1);
+    }
+    dinfo->is_default = true;
+
+}
+
+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 void 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 if (threads == 0) {
+            threads = cpus / (cores * sockets);
+        } else if (sockets * cores * threads < cpus) {
+            error_report("cpu topology: "
+                         "sockets (%u) * cores (%u) * threads (%u) < "
+                         "smp_cpus (%u)",
+                         sockets, cores, threads, cpus);
+            exit(1);
+        }
+
+        max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
+        if (sockets * cores * threads > max_cpus) {
+            error_report("cpu topology: "
+                         "sockets (%u) * cores (%u) * threads (%u) > "
+                         "maxcpus (%u)",
+                         sockets, cores, threads, max_cpus);
+            exit(1);
+        }
+
+        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) {
+        error_report("unsupported number of maxcpus");
+        exit(1);
+    }
+    if (max_cpus < smp_cpus) {
+        error_report("maxcpus must be equal to or greater than smp");
+        exit(1);
+    }
+
+    if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
+        Error *blocker = NULL;
+        error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
+        replay_add_blocker(blocker);
+    }
+}
+
+static void realtime_init(void)
+{
+    if (enable_mlock) {
+        if (os_mlock() < 0) {
+            error_report("locking memory failed");
+            exit(1);
+        }
+    }
+}
+
+
+static void configure_msg(QemuOpts *opts)
+{
+    enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
+}
+
+/***********************************************************/
+/* Semihosting */
+
+typedef struct SemihostingConfig {
+    bool enabled;
+    SemihostingTarget target;
+    const char **argv;
+    int argc;
+    const char *cmdline; /* concatenated argv */
+} SemihostingConfig;
+
+static SemihostingConfig semihosting;
+
+bool semihosting_enabled(void)
+{
+    return semihosting.enabled;
+}
+
+SemihostingTarget semihosting_get_target(void)
+{
+    return semihosting.target;
+}
+
+const char *semihosting_get_arg(int i)
+{
+    if (i >= semihosting.argc) {
+        return NULL;
+    }
+    return semihosting.argv[i];
+}
+
+int semihosting_get_argc(void)
+{
+    return semihosting.argc;
+}
+
+const char *semihosting_get_cmdline(void)
+{
+    if (semihosting.cmdline == NULL && semihosting.argc > 0) {
+        semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
+    }
+    return semihosting.cmdline;
+}
+
+static int add_semihosting_arg(void *opaque,
+                               const char *name, const char *val,
+                               Error **errp)
+{
+    SemihostingConfig *s = opaque;
+    if (strcmp(name, "arg") == 0) {
+        s->argc++;
+        /* one extra element as g_strjoinv() expects NULL-terminated array */
+        s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
+        s->argv[s->argc - 1] = val;
+        s->argv[s->argc] = NULL;
+    }
+    return 0;
+}
+
+/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
+static inline void semihosting_arg_fallback(const char *file, const char *cmd)
+{
+    char *cmd_token;
+
+    /* argv[0] */
+    add_semihosting_arg(&semihosting, "arg", file, NULL);
+
+    /* split -append and initialize argv[1..n] */
+    cmd_token = strtok(g_strdup(cmd), " ");
+    while (cmd_token) {
+        add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
+        cmd_token = strtok(NULL, " ");
+    }
+}
+
+/* Now we still need this for compatibility with XEN. */
+bool has_igd_gfx_passthru;
+static void igd_gfx_passthru(void)
+{
+    has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
+}
+
+/***********************************************************/
+/* USB devices */
+
+static int usb_device_add(const char *devname)
+{
+    USBDevice *dev = NULL;
+#ifndef CONFIG_LINUX
+    const char *p;
+#endif
+
+    if (!usb_enabled()) {
+        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()) {
+        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) {
+        error_report("could not add USB device '%s'", cmdline);
+    }
+    return r;
+}
+
+void hmp_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 hmp_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 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;
+}
+
+static int machine_help_func(QemuOpts *opts, MachineState *machine)
+{
+    ObjectProperty *prop;
+    ObjectPropertyIterator *iter;
+
+    if (!qemu_opt_has_help_opt(opts)) {
+        return 0;
+    }
+
+    iter = object_property_iter_init(OBJECT(machine));
+    while ((prop = object_property_iter_next(iter))) {
+        if (!prop->set) {
+            continue;
+        }
+
+        error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
+                     prop->name, prop->type);
+        if (prop->description) {
+            error_printf(" (%s)\n", prop->description);
+        } else {
+            error_printf("\n");
+        }
+    }
+    object_property_iter_free(iter);
+
+    return 1;
+}
+
+/***********************************************************/
+/* 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) {
+        if (shutdown_pid == 0) {
+            /* This happens for eg ^C at the terminal, so it's worth
+             * avoiding printing an odd message in that case.
+             */
+            error_report("terminating on signal %d", shutdown_signal);
+        } else {
+            error_report("terminating on signal %d from pid " FMT_pid,
+                         shutdown_signal, shutdown_pid);
+        }
+        shutdown_signal = -1;
+    }
+}
+
+static int qemu_reset_requested(void)
+{
+    int r = reset_requested;
+    if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
+        reset_requested = 0;
+        return r;
+    }
+    return false;
+}
+
+static int qemu_suspend_requested(void)
+{
+    int r = suspend_requested;
+    if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
+        suspend_requested = 0;
+        return r;
+    }
+    return false;
+}
+
+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_guest_panicked(void)
+{
+    if (current_cpu) {
+        current_cpu->crash_occurred = true;
+    }
+    qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
+    vm_stop(RUN_STATE_GUEST_PANICKED);
+}
+
+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;
+
+    /* Cannot call qemu_system_shutdown_request directly because
+     * we are in a signal handler.
+     */
+    shutdown_requested = 1;
+    qemu_notify_event();
+}
+
+void qemu_system_shutdown_request(void)
+{
+    trace_qemu_system_shutdown_request();
+    replay_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
+    do {
+        nonblocking = !kvm_enabled() && !xen_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(int exitcode)
+{
+    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");
+
+    exit(exitcode);
+}
+
+#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 virtio_vga_available(void)
+{
+    return object_class_by_name("virtio-vga");
+}
+
+static void 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 {
+            error_report("standard VGA not available");
+            exit(0);
+        }
+    } else if (strstart(p, "cirrus", &opts)) {
+        if (cirrus_vga_available()) {
+            vga_interface_type = VGA_CIRRUS;
+        } else {
+            error_report("Cirrus VGA not available");
+            exit(0);
+        }
+    } else if (strstart(p, "vmware", &opts)) {
+        if (vmware_vga_available()) {
+            vga_interface_type = VGA_VMWARE;
+        } else {
+            error_report("VMWare SVGA not available");
+            exit(0);
+        }
+    } else if (strstart(p, "virtio", &opts)) {
+        if (virtio_vga_available()) {
+            vga_interface_type = VGA_VIRTIO;
+        } else {
+            error_report("Virtio VGA not available");
+            exit(0);
+        }
+    } 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 {
+            error_report("QXL VGA not available");
+            exit(0);
+        }
+    } else if (strstart(p, "tcx", &opts)) {
+        if (tcx_vga_available()) {
+            vga_interface_type = VGA_TCX;
+        } else {
+            error_report("TCX framebuffer not available");
+            exit(0);
+        }
+    } else if (strstart(p, "cg3", &opts)) {
+        if (cg3_vga_available()) {
+            vga_interface_type = VGA_CG3;
+        } else {
+            error_report("CG3 framebuffer not available");
+            exit(0);
+        }
+    } else if (!strstart(p, "none", &opts)) {
+    invalid_vga:
+        error_report("unknown vga type: %s", p);
+        exit(1);
+    }
+    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;
+    }
+}
+
+static DisplayType select_display(const char *p)
+{
+    const char *opts;
+    DisplayType display = DT_DEFAULT;
+
+    if (strstart(p, "sdl", &opts)) {
+#ifdef CONFIG_SDL
+        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 if (strstart(opts, ",gl=", &nextopt)) {
+                opts = nextopt;
+                if (strstart(opts, "on", &nextopt)) {
+                    request_opengl = 1;
+                } else if (strstart(opts, "off", &nextopt)) {
+                    request_opengl = 0;
+                } else {
+                    goto invalid_sdl_args;
+                }
+            } else {
+            invalid_sdl_args:
+                error_report("invalid SDL option string");
+                exit(1);
+            }
+            opts = nextopt;
+        }
+#else
+        error_report("SDL support is disabled");
+        exit(1);
+#endif
+    } else if (strstart(p, "vnc", &opts)) {
+#ifdef CONFIG_VNC
+        if (*opts == '=') {
+            Error *err = NULL;
+            if (vnc_parse(opts + 1, &err) == NULL) {
+                error_report_err(err);
+                exit(1);
+            }
+        } else {
+            error_report("VNC requires a display argument vnc=<display>");
+            exit(1);
+        }
+#else
+        error_report("VNC support is disabled");
+        exit(1);
+#endif
+    } else if (strstart(p, "curses", &opts)) {
+#ifdef CONFIG_CURSES
+        display = DT_CURSES;
+#else
+        error_report("curses support is disabled");
+        exit(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 if (strstart(opts, ",gl=", &nextopt)) {
+                opts = nextopt;
+                if (strstart(opts, "on", &nextopt)) {
+                    request_opengl = 1;
+                } else if (strstart(opts, "off", &nextopt)) {
+                    request_opengl = 0;
+                } else {
+                    goto invalid_gtk_args;
+                }
+            } else {
+            invalid_gtk_args:
+                error_report("invalid GTK option string");
+                exit(1);
+            }
+            opts = nextopt;
+        }
+#else
+        error_report("GTK support is disabled");
+        exit(1);
+#endif
+    } else if (strstart(p, "none", &opts)) {
+        display = DT_NONE;
+    } else {
+        error_report("unknown display type");
+        exit(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_noisily(qemu_find_opts("device"), arg + 7,
+                                           false);
+            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", &error_abort);
+        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 inline bool nonempty_str(const char *str)
+{
+    return str && *str;
+}
+
+static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
+{
+    gchar *buf;
+    size_t size;
+    const char *name, *file, *str;
+
+    if (opaque == NULL) {
+        error_report("fw_cfg device not available");
+        return -1;
+    }
+    name = qemu_opt_get(opts, "name");
+    file = qemu_opt_get(opts, "file");
+    str = qemu_opt_get(opts, "string");
+
+    /* we need name and either a file or the content string */
+    if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
+        error_report("invalid argument(s)");
+        return -1;
+    }
+    if (nonempty_str(file) && nonempty_str(str)) {
+        error_report("file and string are mutually exclusive");
+        return -1;
+    }
+    if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
+        error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
+        return -1;
+    }
+    if (strncmp(name, "opt/", 4) != 0) {
+        error_report("warning: externally provided fw_cfg item names "
+                     "should be prefixed with \"opt/\"");
+    }
+    if (nonempty_str(str)) {
+        size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
+        buf = g_memdup(str, size);
+    } else {
+        if (!g_file_get_contents(file, &buf, &size, NULL)) {
+            error_report("can't load %s", file);
+            return -1;
+        }
+    }
+    fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
+    return 0;
+}
+
+static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
+{
+    return qdev_device_help(opts);
+}
+
+static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
+{
+    Error *err = NULL;
+    DeviceState *dev;
+
+    dev = qdev_device_add(opts, &err);
+    if (!dev) {
+        error_report_err(err);
+        return -1;
+    }
+    object_unref(OBJECT(dev));
+    return 0;
+}
+
+static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
+{
+    Error *local_err = NULL;
+
+    qemu_chr_new_from_opts(opts, NULL, &local_err);
+    if (local_err) {
+        error_report_err(local_err);
+        return -1;
+    }
+    return 0;
+}
+
+#ifdef CONFIG_VIRTFS
+static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
+{
+    int ret;
+    ret = qemu_fsdev_add(opts);
+
+    return ret;
+}
+#endif
+
+static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
+{
+    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 {
+        error_report("unknown monitor mode \"%s\"", mode);
+        exit(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) {
+        error_report("chardev \"%s\" not found", chardev);
+        exit(1);
+    }
+
+    qemu_chr_fe_claim_no_fail(chr);
+    monitor_init(chr, flags);
+    return 0;
+}
+
+static void monitor_parse(const char *optarg, const char *mode, bool pretty)
+{
+    static int monitor_device_index = 0;
+    Error *local_err = NULL;
+    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) {
+            error_report("parse error: %s", optarg);
+            exit(1);
+        }
+    }
+
+    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
+    if (!opts) {
+        error_report_err(local_err);
+        exit(1);
+    }
+    qemu_opt_set(opts, "mode", mode, &error_abort);
+    qemu_opt_set(opts, "chardev", label, &error_abort);
+    qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
+    if (def)
+        qemu_opt_set(opts, "default", "on", &error_abort);
+    monitor_device_index++;
+}
+
+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) {
+        error_report("too many serial ports");
+        exit(1);
+    }
+    snprintf(label, sizeof(label), "serial%d", index);
+    serial_hds[index] = qemu_chr_new(label, devname, NULL);
+    if (!serial_hds[index]) {
+        error_report("could not connect serial device"
+                     " to character backend '%s'", 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) {
+        error_report("too many parallel ports");
+        exit(1);
+    }
+    snprintf(label, sizeof(label), "parallel%d", index);
+    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
+    if (!parallel_hds[index]) {
+        error_report("could not connect parallel device"
+                     " to character backend '%s'", 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) {
+        error_report("too many virtio consoles");
+        exit(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", &error_abort);
+    } else {
+        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
+    }
+
+    dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
+    qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
+
+    snprintf(label, sizeof(label), "virtcon%d", index);
+    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
+    if (!virtcon_hds[index]) {
+        error_report("could not connect virtio console"
+                     " to character backend '%s'", devname);
+        return -1;
+    }
+    qemu_opt_set(dev_opts, "chardev", label, &error_abort);
+
+    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) {
+        error_report("too many sclp consoles");
+        exit(1);
+    }
+
+    assert(arch_type == QEMU_ARCH_S390X);
+
+    dev_opts = qemu_opts_create(device, NULL, 0, NULL);
+    qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
+
+    snprintf(label, sizeof(label), "sclpcon%d", index);
+    sclp_hds[index] = qemu_chr_new(label, devname, NULL);
+    if (!sclp_hds[index]) {
+        error_report("could not connect sclp console"
+                     " to character backend '%s'", devname);
+        return -1;
+    }
+    qemu_opt_set(dev_opts, "chardev", label, &error_abort);
+
+    index++;
+    return 0;
+}
+
+static int debugcon_parse(const char *devname)
+{
+    QemuOpts *opts;
+
+    if (!qemu_chr_new("debugcon", devname, NULL)) {
+        exit(1);
+    }
+    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
+    if (!opts) {
+        error_report("already have a debugcon device");
+        exit(1);
+    }
+    qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
+    qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
+    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) {
+        g_slist_free(machines);
+        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);
+    exit(!name || !is_help_option(name));
+}
+
+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);
+}
+
+static bool machine_init_done;
+
+void qemu_add_machine_init_done_notifier(Notifier *notify)
+{
+    notifier_list_add(&machine_init_done_notifiers, notify);
+    if (machine_init_done) {
+        notify->notify(notify, NULL);
+    }
+}
+
+static void qemu_run_machine_init_done_notifiers(void)
+{
+    notifier_list_notify(&machine_init_done_notifiers, NULL);
+    machine_init_done = true;
+}
+
+static const QEMUOption *lookup_opt(int argc, char **argv,
+                                    const char **poptarg, int *poptind)
+{
+    const QEMUOption *popt;
+    int optind = *poptind;
+    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");
+            exit(1);
+        }
+        if (!strcmp(popt->name, r + 1))
+            break;
+        popt++;
+    }
+    if (popt->flags & HAS_ARG) {
+        if (optind >= argc) {
+            error_report("requires an argument");
+            exit(1);
+        }
+        optarg = argv[optind++];
+        loc_set_cmdline(argv, optind - 2, 2);
+    } else {
+        optarg = NULL;
+    }
+
+    *poptarg = optarg;
+    *poptind = optind;
+
+    return popt;
+}
+
+static void set_machine_options(MachineClass **machine_class)
+{
+    const char *optarg;
+    QemuOpts *opts;
+    Location loc;
+
+    loc_push_none(&loc);
+
+    opts = qemu_get_machine_opts();
+    qemu_opts_loc_restore(opts);
+
+    optarg = qemu_opt_get(opts, "type");
+    if (optarg) {
+        *machine_class = machine_parse(optarg);
+    }
+
+    if (*machine_class == NULL) {
+        error_report("No machine specified, and there is no default");
+        error_printf("Use -machine help to list supported machines\n");
+        exit(1);
+    }
+
+    loc_pop(&loc);
+}
+
+static int machine_set_property(void *opaque,
+                                const char *name, const char *value,
+                                Error **errp)
+{
+    Object *obj = OBJECT(opaque);
+    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 = '-';
+        }
+    }
+
+    object_property_parse(obj, value, qom_name, &local_err);
+    g_free(qom_name);
+
+    if (local_err) {
+        error_report_err(local_err);
+        return -1;
+    }
+
+    return 0;
+}
+
+
+/*
+ * Initial object creation happens before all other
+ * QEMU data types are created. The majority of objects
+ * can be created at this point. The rng-egd object
+ * cannot be created here, as it depends on the chardev
+ * already existing.
+ */
+static bool object_create_initial(const char *type)
+{
+    if (g_str_equal(type, "rng-egd")) {
+        return false;
+    }
+
+    /*
+     * return false for concrete netfilters since
+     * they depend on netdevs already existing
+     */
+    if (g_str_equal(type, "filter-buffer") ||
+        g_str_equal(type, "filter-dump")) {
+        return false;
+    }
+
+    return true;
+}
+
+
+/*
+ * The remainder of object creation happens after the
+ * creation of chardev, fsdev, net clients and device data types.
+ */
+static bool object_create_delayed(const char *type)
+{
+    return !object_create_initial(type);
+}
+
+
+static int object_create(void *opaque, QemuOpts *opts, Error **errp)
+{
+    Error *err = NULL;
+    char *type = NULL;
+    char *id = NULL;
+    void *dummy = NULL;
+    OptsVisitor *ov;
+    QDict *pdict;
+    bool (*type_predicate)(const char *) = opaque;
+
+    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;
+    }
+    if (!type_predicate(type)) {
+        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) {
+        error_report_err(err);
+        return -1;
+    }
+    return 0;
+}
+
+static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
+                               MachineClass *mc)
+{
+    uint64_t sz;
+    const char *mem_str;
+    const char *maxmem_str, *slots_str;
+    const ram_addr_t default_ram_size = mc->default_ram_size;
+    QemuOpts *opts = qemu_find_opts_singleton("memory");
+
+    sz = 0;
+    mem_str = qemu_opt_get(opts, "size");
+    if (mem_str) {
+        if (!*mem_str) {
+            error_report("missing 'size' option value");
+            exit(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");
+                exit(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");
+        exit(EXIT_FAILURE);
+    }
+
+    /* store value for the future use */
+    qemu_opt_set_number(opts, "size", ram_size, &error_abort);
+    *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);
+        slots = qemu_opt_get_number(opts, "slots", 0);
+        if (sz < ram_size) {
+            error_report("invalid value of -m option maxmem: "
+                         "maximum memory size (0x%" PRIx64 ") must be at least "
+                         "the initial memory size (0x" RAM_ADDR_FMT ")",
+                         sz, ram_size);
+            exit(EXIT_FAILURE);
+        } else if (sz > ram_size) {
+            if (!slots) {
+                error_report("invalid value of -m option: maxmem was "
+                             "specified, but no hotplug slots were specified");
+                exit(EXIT_FAILURE);
+            }
+        } else if (slots) {
+            error_report("invalid value of -m option maxmem: "
+                         "memory slots were specified but maximum memory size "
+                         "(0x%" PRIx64 ") is equal to the initial memory size "
+                         "(0x" RAM_ADDR_FMT ")", sz, ram_size);
+            exit(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");
+        exit(EXIT_FAILURE);
+    }
+}
+
+int main(int argc, char **argv, char **envp)
+{
+    int i;
+    int snapshot, linux_boot;
+    const char *initrd_filename;
+    const char *kernel_filename, *kernel_cmdline;
+    const char *boot_order = NULL;
+    const char *boot_once = NULL;
+    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;
+    const char *trace_events = NULL;
+    const char *trace_file = NULL;
+    ram_addr_t maxram_size;
+    uint64_t ram_slots = 0;
+    FILE *vmstate_dump_file = NULL;
+    Error *main_loop_err = NULL;
+    Error *err = NULL;
+
+    qemu_init_cpu_loop();
+    qemu_mutex_lock_iothread();
+
+    atexit(qemu_run_exit_notifiers);
+    error_set_progname(argv[0]);
+    qemu_init_exec_dir(argv[0]);
+
+    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);
+    qemu_add_opts(&qemu_semihosting_config_opts);
+    qemu_add_opts(&qemu_fw_cfg_opts);
+
+    runstate_init();
+
+    if (qcrypto_init(&err) < 0) {
+        error_report("cannot initialize crypto: %s", error_get_pretty(err));
+        exit(1);
+    }
+    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;
+    snapshot = 0;
+    cyls = heads = secs = 0;
+    translation = BIOS_ATA_TRANSLATION_AUTO;
+
+    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);
+            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) {
+            exit(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->arch_mask & arch_type)) {
+                printf("Option %s not supported for this target\n", popt->name);
+                exit(1);
+            }
+            switch(popt->index) {
+            case QEMU_OPTION_no_kvm_irqchip: {
+                olist = qemu_find_opts("machine");
+                qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
+                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) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_set:
+                if (qemu_set_option(optarg) != 0)
+                    exit(1);
+                break;
+            case QEMU_OPTION_global:
+                if (qemu_global_option(optarg) != 0)
+                    exit(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:
+                        error_report("invalid physical CHS format");
+                        exit(1);
+                    }
+                    if (hda_opts != NULL) {
+                        qemu_opt_set_number(hda_opts, "cyls", cyls,
+                                            &error_abort);
+                        qemu_opt_set_number(hda_opts, "heads", heads,
+                                            &error_abort);
+                        qemu_opt_set_number(hda_opts, "secs", secs,
+                                            &error_abort);
+                        if (translation == BIOS_ATA_TRANSLATION_LARGE) {
+                            qemu_opt_set(hda_opts, "trans", "large",
+                                         &error_abort);
+                        } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
+                            qemu_opt_set(hda_opts, "trans", "rechs",
+                                         &error_abort);
+                        } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
+                            qemu_opt_set(hda_opts, "trans", "lba",
+                                         &error_abort);
+                        } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
+                            qemu_opt_set(hda_opts, "trans", "none",
+                                         &error_abort);
+                        }
+                    }
+                }
+                break;
+            case QEMU_OPTION_numa:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_display:
+                display_type = select_display(optarg);
+                break;
+            case QEMU_OPTION_nographic:
+                display_type = DT_NOGRAPHIC;
+                break;
+            case QEMU_OPTION_curses:
+#ifdef CONFIG_CURSES
+                display_type = DT_CURSES;
+#else
+                error_report("curses support is disabled");
+                exit(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) {
+                    error_report("only 90, 180, 270 deg rotation is available");
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_kernel:
+                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
+                              &error_abort);
+                break;
+            case QEMU_OPTION_initrd:
+                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
+                              &error_abort);
+                break;
+            case QEMU_OPTION_append:
+                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
+                              &error_abort);
+                break;
+            case QEMU_OPTION_dtb:
+                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
+                              &error_abort);
+                break;
+            case QEMU_OPTION_cdrom:
+                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
+                break;
+            case QEMU_OPTION_boot:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(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) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_net:
+                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
+                    exit(1);
+                }
+                break;
+#ifdef CONFIG_LIBISCSI
+            case QEMU_OPTION_iscsi:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(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)
+                    exit(1);
+                break;
+#endif
+            case QEMU_OPTION_bt:
+                add_device_config(DEV_BT, optarg);
+                break;
+            case QEMU_OPTION_audio_help:
+                AUD_help ();
+                exit (0);
+                break;
+            case QEMU_OPTION_soundhw:
+                select_soundhw (optarg);
+                break;
+            case QEMU_OPTION_h:
+                help(0);
+                break;
+            case QEMU_OPTION_version:
+                version();
+                exit(0);
+                break;
+            case QEMU_OPTION_m:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(EXIT_FAILURE);
+                }
+                break;
+#ifdef CONFIG_TPM
+            case QEMU_OPTION_tpmdev:
+                if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
+                    exit(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,
+                              &error_abort);
+                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:
+                        error_report("invalid resolution or depth");
+                        exit(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)) {
+                    monitor_parse(optarg, "readline", false);
+                }
+                break;
+            case QEMU_OPTION_qmp:
+                monitor_parse(optarg, "control", false);
+                default_monitor = 0;
+                break;
+            case QEMU_OPTION_qmp_pretty:
+                monitor_parse(optarg, "control", true);
+                default_monitor = 0;
+                break;
+            case QEMU_OPTION_mon:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
+                                               true);
+                if (!opts) {
+                    exit(1);
+                }
+                default_monitor = 0;
+                break;
+            case QEMU_OPTION_chardev:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_fsdev:
+                olist = qemu_find_opts("fsdev");
+                if (!olist) {
+                    error_report("fsdev support is disabled");
+                    exit(1);
+                }
+                opts = qemu_opts_parse_noisily(olist, optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_virtfs: {
+                QemuOpts *fsdev;
+                QemuOpts *device;
+                const char *writeout, *sock_fd, *socket;
+
+                olist = qemu_find_opts("virtfs");
+                if (!olist) {
+                    error_report("virtfs support is disabled");
+                    exit(1);
+                }
+                opts = qemu_opts_parse_noisily(olist, optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+
+                if (qemu_opt_get(opts, "fsdriver") == NULL ||
+                    qemu_opt_get(opts, "mount_tag") == NULL) {
+                    error_report("Usage: -virtfs fsdriver,mount_tag=tag");
+                    exit(1);
+                }
+                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
+                                         qemu_opt_get(opts, "mount_tag"),
+                                         1, NULL);
+                if (!fsdev) {
+                    error_report("duplicate fsdev id: %s",
+                                 qemu_opt_get(opts, "mount_tag"));
+                    exit(1);
+                }
+
+                writeout = qemu_opt_get(opts, "writeout");
+                if (writeout) {
+#ifdef CONFIG_SYNC_FILE_RANGE
+                    qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
+#else
+                    error_report("writeout=immediate not supported "
+                                 "on this platform");
+                    exit(1);
+#endif
+                }
+                qemu_opt_set(fsdev, "fsdriver",
+                             qemu_opt_get(opts, "fsdriver"), &error_abort);
+                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
+                             &error_abort);
+                qemu_opt_set(fsdev, "security_model",
+                             qemu_opt_get(opts, "security_model"),
+                             &error_abort);
+                socket = qemu_opt_get(opts, "socket");
+                if (socket) {
+                    qemu_opt_set(fsdev, "socket", socket, &error_abort);
+                }
+                sock_fd = qemu_opt_get(opts, "sock_fd");
+                if (sock_fd) {
+                    qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
+                }
+
+                qemu_opt_set_bool(fsdev, "readonly",
+                                  qemu_opt_get_bool(opts, "readonly", 0),
+                                  &error_abort);
+                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
+                                          &error_abort);
+                qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
+                qemu_opt_set(device, "fsdev",
+                             qemu_opt_get(opts, "mount_tag"), &error_abort);
+                qemu_opt_set(device, "mount_tag",
+                             qemu_opt_get(opts, "mount_tag"), &error_abort);
+                break;
+            }
+            case QEMU_OPTION_virtfs_synth: {
+                QemuOpts *fsdev;
+                QemuOpts *device;
+
+                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
+                                         1, NULL);
+                if (!fsdev) {
+                    error_report("duplicate option: %s", "virtfs_synth");
+                    exit(1);
+                }
+                qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
+
+                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
+                                          &error_abort);
+                qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
+                qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
+                qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
+                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) {
+                    error_report("only one watchdog option may be given");
+                    return 1;
+                }
+                watchdog = optarg;
+                break;
+            case QEMU_OPTION_watchdog_action:
+                if (select_watchdog_action(optarg) == -1) {
+                    error_report("unknown -watchdog-action parameter");
+                    exit(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:
+#ifdef CONFIG_SDL
+                display_type = DT_SDL;
+                break;
+#else
+                error_report("SDL support is disabled");
+                exit(1);
+#endif
+            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_noisily(qemu_find_opts("acpi"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                do_acpitable_option(opts);
+                break;
+            case QEMU_OPTION_smbios:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(1);
+                }
+                do_smbios_option(opts);
+                break;
+            case QEMU_OPTION_fwcfg:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
+                                               optarg, true);
+                if (opts == NULL) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_enable_kvm:
+                olist = qemu_find_opts("machine");
+                qemu_opts_parse_noisily(olist, "accel=kvm", false);
+                break;
+            case QEMU_OPTION_M:
+            case QEMU_OPTION_machine:
+                olist = qemu_find_opts("machine");
+                opts = qemu_opts_parse_noisily(olist, optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+             case QEMU_OPTION_no_kvm:
+                olist = qemu_find_opts("machine");
+                qemu_opts_parse_noisily(olist, "accel=tcg", false);
+                break;
+            case QEMU_OPTION_no_kvm_pit: {
+                error_report("warning: ignoring deprecated option");
+                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 */ }
+                };
+
+                error_report("warning: deprecated, replaced by "
+                             "-global kvm-pit.lost_tick_policy=discard");
+                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
+                break;
+            }
+            case QEMU_OPTION_usb:
+                olist = qemu_find_opts("machine");
+                qemu_opts_parse_noisily(olist, "usb=on", false);
+                break;
+            case QEMU_OPTION_usbdevice:
+                olist = qemu_find_opts("machine");
+                qemu_opts_parse_noisily(olist, "usb=on", false);
+                add_device_config(DEV_USB, optarg);
+                break;
+            case QEMU_OPTION_device:
+                if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
+                                             optarg, true)) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_smp:
+                if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
+                                             optarg, true)) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_vnc:
+            {
+#ifdef CONFIG_VNC
+                Error *local_err = NULL;
+
+                if (vnc_parse(optarg, &local_err) == NULL) {
+                    error_report_err(local_err);
+                    exit(1);
+                }
+#else
+                error_report("VNC support is disabled");
+                exit(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) {
+                    error_report("unknown -balloon argument %s", optarg);
+                    exit(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) {
+                    error_report("failed to parse UUID string: wrong format");
+                    exit(1);
+                }
+                qemu_uuid_set = true;
+                break;
+            case QEMU_OPTION_option_rom:
+                if (nb_option_roms >= MAX_OPTION_ROMS) {
+                    error_report("too many option ROMs");
+                    exit(1);
+                }
+                opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(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) {
+                    error_report("Option ROM file is not specified");
+                    exit(1);
+                }
+                nb_option_roms++;
+                break;
+            case QEMU_OPTION_semihosting:
+                semihosting.enabled = true;
+                semihosting.target = SEMIHOSTING_TARGET_AUTO;
+                break;
+            case QEMU_OPTION_semihosting_config:
+                semihosting.enabled = true;
+                opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
+                                               optarg, false);
+                if (opts != NULL) {
+                    semihosting.enabled = qemu_opt_get_bool(opts, "enable",
+                                                            true);
+                    const char *target = qemu_opt_get(opts, "target");
+                    if (target != NULL) {
+                        if (strcmp("native", target) == 0) {
+                            semihosting.target = SEMIHOSTING_TARGET_NATIVE;
+                        } else if (strcmp("gdb", target) == 0) {
+                            semihosting.target = SEMIHOSTING_TARGET_GDB;
+                        } else  if (strcmp("auto", target) == 0) {
+                            semihosting.target = SEMIHOSTING_TARGET_AUTO;
+                        } else {
+                            error_report("unsupported semihosting-config %s",
+                                         optarg);
+                            exit(1);
+                        }
+                    } else {
+                        semihosting.target = SEMIHOSTING_TARGET_AUTO;
+                    }
+                    /* Set semihosting argument count and vector */
+                    qemu_opt_foreach(opts, add_semihosting_arg,
+                                     &semihosting, NULL);
+                } else {
+                    error_report("unsupported semihosting-config %s", optarg);
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_tdf:
+                error_report("warning: ignoring deprecated option");
+                break;
+            case QEMU_OPTION_name:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_prom_env:
+                if (nb_prom_envs >= MAX_PROM_ENVS) {
+                    error_report("too many prom variables");
+                    exit(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:
+                configure_rtc_date_offset(optarg, 1);
+                break;
+            case QEMU_OPTION_rtc:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
+                                               false);
+                if (!opts) {
+                    exit(1);
+                }
+                configure_rtc(opts);
+                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_noisily(qemu_find_opts("icount"),
+                                                      optarg, true);
+                if (!icount_opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_incoming:
+                if (!incoming) {
+                    runstate_set(RUN_STATE_INMIGRATE);
+                }
+                incoming = optarg;
+                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);
+                    exit(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);
+                    exit(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);
+                    exit(1);
+                }
+                xen_mode = XEN_ATTACH;
+                break;
+            case QEMU_OPTION_trace:
+            {
+                opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(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) {
+                        error_report("read config %s: %s", optarg,
+                                     strerror(-ret));
+                        exit(1);
+                    }
+                    break;
+                }
+            case QEMU_OPTION_spice:
+                olist = qemu_find_opts("spice");
+                if (!olist) {
+                    error_report("spice support is disabled");
+                    exit(1);
+                }
+                opts = qemu_opts_parse_noisily(olist, optarg, false);
+                if (!opts) {
+                    exit(1);
+                }
+                display_remote++;
+                break;
+            case QEMU_OPTION_writeconfig:
+                {
+                    FILE *fp;
+                    if (strcmp(optarg, "-") == 0) {
+                        fp = stdout;
+                    } else {
+                        fp = fopen(optarg, "w");
+                        if (fp == NULL) {
+                            error_report("open %s: %s", optarg,
+                                         strerror(errno));
+                            exit(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_noisily(qemu_find_opts("sandbox"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_add_fd:
+#ifndef _WIN32
+                opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(1);
+                }
+#else
+                error_report("File descriptor passing is disabled on this "
+                             "platform");
+                exit(1);
+#endif
+                break;
+            case QEMU_OPTION_object:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
+                                               optarg, true);
+                if (!opts) {
+                    exit(1);
+                }
+                break;
+            case QEMU_OPTION_realtime:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(1);
+                }
+                enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
+                break;
+            case QEMU_OPTION_msg:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
+                                               false);
+                if (!opts) {
+                    exit(1);
+                }
+                configure_msg(opts);
+                break;
+            case QEMU_OPTION_dump_vmstate:
+                if (vmstate_dump_file) {
+                    error_report("only one '-dump-vmstate' "
+                                 "option may be given");
+                    exit(1);
+                }
+                vmstate_dump_file = fopen(optarg, "w");
+                if (vmstate_dump_file == NULL) {
+                    error_report("open %s: %s", optarg, strerror(errno));
+                    exit(1);
+                }
+                break;
+            default:
+                os_parse_cmd_args(popt->index, optarg);
+            }
+        }
+    }
+
+    replay_configure(icount_opts);
+
+    set_machine_options(&machine_class);
+
+    set_memory_options(&ram_slots, &maxram_size, machine_class);
+
+    loc_set_none();
+
+    os_daemonize();
+
+    if (qemu_init_main_loop(&main_loop_err)) {
+        error_report_err(main_loop_err);
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("sandbox"),
+                          parse_sandbox, NULL, NULL)) {
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("name"),
+                          parse_name, NULL, NULL)) {
+        exit(1);
+    }
+
+#ifndef _WIN32
+    if (qemu_opts_foreach(qemu_find_opts("add-fd"),
+                          parse_add_fd, NULL, NULL)) {
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("add-fd"),
+                          cleanup_add_fd, NULL, NULL)) {
+        exit(1);
+    }
+#endif
+
+    current_machine = MACHINE(object_new(object_class_get_name(
+                          OBJECT_CLASS(machine_class))));
+    if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
+        exit(0);
+    }
+    object_property_add_child(object_get_root(), "machine",
+                              OBJECT(current_machine), &error_abort);
+    cpu_exec_init_all();
+
+    if (machine_class->hw_version) {
+        qemu_set_hw_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);
+        exit(0);
+    }
+
+    /* Open the logfile at this point and set the log mask if necessary.
+     */
+    if (log_file) {
+        qemu_set_log_filename(log_file);
+    }
+
+    if (log_mask) {
+        int mask;
+        mask = qemu_str_to_log_mask(log_mask);
+        if (!mask) {
+            qemu_print_log_usage(stdout);
+            exit(1);
+        }
+        qemu_set_log(mask);
+    }
+
+    if (!is_daemonized()) {
+        if (!trace_init_backends(trace_events, trace_file)) {
+            exit(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;
+    }
+
+    smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
+
+    machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
+    if (max_cpus > machine_class->max_cpus) {
+        error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
+                     "supported by machine '%s' (%d)", max_cpus,
+                     machine_class->name, machine_class->max_cpus);
+        exit(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, NULL);
+    qemu_opts_foreach(qemu_find_opts("global"),
+                      default_driver_check, NULL, NULL);
+
+    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)) {
+            error_report("-nographic cannot be used with -daemonize");
+            exit(1);
+        }
+#ifdef CONFIG_CURSES
+        if (display_type == DT_CURSES) {
+            error_report("curses display cannot be used with -daemonize");
+            exit(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)
+                monitor_parse("stdio", "readline", false);
+        }
+    } else {
+        if (default_serial)
+            add_device_config(DEV_SERIAL, "vc:80Cx24C");
+        if (default_parallel)
+            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
+        if (default_monitor)
+            monitor_parse("vc:80Cx24C", "readline", false);
+        if (default_virtcon)
+            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
+        if (default_sclp) {
+            add_device_config(DEV_SCLP, "vc:80Cx24C");
+        }
+    }
+
+#if defined(CONFIG_VNC)
+    if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
+        display_remote++;
+    }
+#endif
+    if (display_type == DT_DEFAULT && !display_remote) {
+#if defined(CONFIG_GTK)
+        display_type = DT_GTK;
+#elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
+        display_type = DT_SDL;
+#elif defined(CONFIG_VNC)
+        vnc_parse("localhost:0,to=99,id=default", &error_abort);
+        show_vnc_port = 1;
+#else
+        display_type = DT_NONE;
+#endif
+    }
+
+    if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
+        error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
+                     "for SDL, ignoring option");
+    }
+    if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
+        error_report("-no-quit is only valid for GTK and SDL, "
+                     "ignoring option");
+    }
+
+#if defined(CONFIG_GTK)
+    if (display_type == DT_GTK) {
+        early_gtk_display_init(request_opengl);
+    }
+#endif
+#if defined(CONFIG_SDL)
+    if (display_type == DT_SDL) {
+        sdl_display_early_init(request_opengl);
+    }
+#endif
+    if (request_opengl == 1 && display_opengl == 0) {
+#if defined(CONFIG_OPENGL)
+        error_report("OpenGL is not supported by the display");
+#else
+        error_report("OpenGL support is disabled");
+#endif
+        exit(1);
+    }
+
+    page_size_init();
+    socket_init();
+
+    if (qemu_opts_foreach(qemu_find_opts("object"),
+                          object_create,
+                          object_create_initial, NULL)) {
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("chardev"),
+                          chardev_init_func, NULL, NULL)) {
+        exit(1);
+    }
+
+#ifdef CONFIG_VIRTFS
+    if (qemu_opts_foreach(qemu_find_opts("fsdev"),
+                          fsdev_init_func, NULL, NULL)) {
+        exit(1);
+    }
+#endif
+
+    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
+        error_report("could not acquire pid file: %s", strerror(errno));
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("device"),
+                          device_help_func, NULL, NULL)) {
+        exit(0);
+    }
+
+    machine_opts = qemu_get_machine_opts();
+    if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
+                         NULL)) {
+        object_unref(OBJECT(current_machine));
+        exit(1);
+    }
+
+    configure_accelerator(current_machine);
+
+    if (qtest_chrdev) {
+        Error *local_err = NULL;
+        qtest_init(qtest_chrdev, qtest_log, &local_err);
+        if (local_err) {
+            error_report_err(local_err);
+            exit(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");
+
+    opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
+    if (opts) {
+        Error *local_err = NULL;
+
+        boot_order = qemu_opt_get(opts, "order");
+        if (boot_order) {
+            validate_bootdevices(boot_order, &local_err);
+            if (local_err) {
+                error_report_err(local_err);
+                exit(1);
+            }
+        }
+
+        boot_once = qemu_opt_get(opts, "once");
+        if (boot_once) {
+            validate_bootdevices(boot_once, &local_err);
+            if (local_err) {
+                error_report_err(local_err);
+                exit(1);
+            }
+        }
+
+        boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
+        boot_strict = qemu_opt_get_bool(opts, "strict", false);
+    }
+
+    if (!boot_order) {
+        boot_order = machine_class->default_boot_order;
+    }
+
+    if (!kernel_cmdline) {
+        kernel_cmdline = "";
+        current_machine->kernel_cmdline = (char *)kernel_cmdline;
+    }
+
+    linux_boot = (kernel_filename != NULL);
+
+    if (!linux_boot && *kernel_cmdline != '\0') {
+        error_report("-append only allowed with -kernel option");
+        exit(1);
+    }
+
+    if (!linux_boot && initrd_filename != NULL) {
+        error_report("-initrd only allowed with -kernel option");
+        exit(1);
+    }
+
+    if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
+        error_report("-dtb only allowed with -kernel option");
+        exit(1);
+    }
+
+    if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
+        /* fall back to the -kernel/-append */
+        semihosting_arg_fallback(kernel_filename, kernel_cmdline);
+    }
+
+    os_set_line_buffering();
+
+#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()) {
+            error_report("-icount is not allowed with kvm or xen");
+            exit(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) {
+        exit(1);
+    }
+
+    if (qemu_opts_foreach(qemu_find_opts("object"),
+                          object_create,
+                          object_create_delayed, NULL)) {
+        exit(1);
+    }
+
+#ifdef CONFIG_TPM
+    if (tpm_init() < 0) {
+        exit(1);
+    }
+#endif
+
+    /* init the bluetooth world */
+    if (foreach_device_config(DEV_BT, bt_parse))
+        exit(1);
+
+    if (!xen_enabled()) {
+        /* On 32-bit hosts, QEMU is limited by virtual address space */
+        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
+            error_report("at most 2047 MB RAM can be simulated");
+            exit(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 || replay_mode != REPLAY_MODE_NONE) {
+        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
+                          NULL, NULL);
+    }
+    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
+                          &machine_class->block_default_type, NULL)) {
+        exit(1);
+    }
+
+    default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
+                  CDROM_OPTS);
+    default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
+    default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
+
+    parse_numa_opts(machine_class);
+
+    if (qemu_opts_foreach(qemu_find_opts("mon"),
+                          mon_init_func, NULL, NULL)) {
+        exit(1);
+    }
+
+    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
+        exit(1);
+    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
+        exit(1);
+    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
+        exit(1);
+    if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
+        exit(1);
+    }
+    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
+        exit(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)
+            exit (i == 1 ? 1 : 0);
+    }
+
+    if (machine_class->compat_props) {
+        qdev_prop_register_global_list(machine_class->compat_props);
+    }
+    qemu_add_globals();
+
+    /* This checkpoint is required by replay to separate prior clock
+       reading from the other reads, because timer polling functions query
+       clock values from the log. */
+    replay_checkpoint(CHECKPOINT_INIT);
+    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);
+
+    realtime_init();
+
+    audio_init();
+
+    cpu_synchronize_all_post_init();
+
+    numa_post_machine_init();
+
+    if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
+                          parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
+        exit(1);
+    }
+
+    /* init USB devices */
+    if (usb_enabled()) {
+        if (foreach_device_config(DEV_USB, usb_parse) < 0)
+            exit(1);
+    }
+
+    /* Check if IGD GFX passthrough. */
+    igd_gfx_passthru();
+
+    /* init generic devices */
+    if (qemu_opts_foreach(qemu_find_opts("device"),
+                          device_init_func, NULL, NULL)) {
+        exit(1);
+    }
+
+    /* Did we create any drives that we failed to create a device for? */
+    drive_check_orphaned();
+
+    net_check_clients();
+
+    if (boot_once) {
+        Error *local_err = NULL;
+        qemu_boot_set(boot_once, &local_err);
+        if (local_err) {
+            error_report("%s", error_get_pretty(local_err));
+            exit(1);
+        }
+        qemu_register_reset(restore_boot_order, g_strdup(boot_order));
+    }
+
+    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)
+    case DT_SDL:
+        sdl_display_init(ds, full_screen, no_frame);
+        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 */
+    qemu_opts_foreach(qemu_find_opts("vnc"),
+                      vnc_init_func, NULL, NULL);
+    if (show_vnc_port) {
+        char *ret = vnc_display_local_addr("default");
+        printf("VNC server running on '%s'\n", ret);
+        g_free(ret);
+    }
+#endif
+#ifdef CONFIG_SPICE
+    if (using_spice) {
+        qemu_spice_display_init();
+    }
+#endif
+
+    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
+        exit(1);
+    }
+
+    qdev_machine_creation_done();
+
+    /* 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();
+
+    if (rom_check_and_register_reset() != 0) {
+        error_report("rom check and register reset failed");
+        exit(1);
+    }
+
+    replay_start();
+
+    /* This checkpoint is required by replay to separate prior clock
+       reading from the other reads, because timer polling functions query
+       clock values from the log. */
+    replay_checkpoint(CHECKPOINT_RESET);
+    qemu_system_reset(VMRESET_SILENT);
+    register_global_state();
+    if (loadvm) {
+        if (load_vmstate(loadvm) < 0) {
+            autostart = 0;
+        }
+    }
+
+    qdev_prop_check_globals();
+    if (vmstate_dump_file) {
+        /* dump and exit */
+        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);
+            exit(1);
+        }
+    } else if (autostart) {
+        vm_start();
+    }
+
+    os_setup_post();
+
+    if (is_daemonized()) {
+        if (!trace_init_backends(trace_events, trace_file)) {
+            exit(1);
+        }
+    }
+
+    main_loop();
+    replay_disable_events();
+
+    bdrv_close_all();
+    pause_all_vcpus();
+    res_free();
+#ifdef CONFIG_TPM
+    tpm_cleanup();
+#endif
+    qemu_end_cpu_loop();
+
+    return 0;
+}