auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 9803 deletions

diff --git a/vl.c b/vl.c
deleted file mode 100644
index 99c49bf..0000000
--- a/vl.c
+++ /dev/null
@@ -1,9803 +0,0 @@
-/*
- * 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.
- */
-
-/* the following is needed on Linux to define ptsname() in stdlib.h */
-#if defined(__linux__)
-#define _GNU_SOURCE 1
-#endif
-
-#include "qemu-common.h"
-#include "hw/hw.h"
-#include "hw/boards.h"
-#include "hw/usb.h"
-#include "hw/pcmcia.h"
-#include "hw/pc.h"
-#include "hw/audiodev.h"
-#include "hw/isa.h"
-#include "hw/baum.h"
-#include "net.h"
-#include "console.h"
-#include "sysemu.h"
-#include "gdbstub.h"
-#include "qemu-timer.h"
-#include "qemu-char.h"
-#include "block.h"
-#include "audio/audio.h"
-
-#include "qemu_file.h"
-#include "android/android.h"
-#include "charpipe.h"
-#include "shaper.h"
-#include "modem_driver.h"
-#include "android/gps.h"
-#include "android/qemud.h"
-#include "android/hw-kmsg.h"
-#include "tcpdump.h"
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <time.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <zlib.h>
-
-#ifndef _WIN32
-#include <sys/times.h>
-#include <sys/wait.h>
-#include <termios.h>
-#include <sys/poll.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <dirent.h>
-#include <netdb.h>
-#include <sys/select.h>
-#include <arpa/inet.h>
-#ifdef _BSD
-#include <sys/stat.h>
-#if !defined(__APPLE__) && !defined(__OpenBSD__)
-#include <libutil.h>
-#endif
-#ifdef __OpenBSD__
-#include <net/if.h>
-#endif
-#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
-#include <freebsd/stdlib.h>
-#else
-#ifndef __sun__
-#include <linux/if.h>
-#include <linux/if_tun.h>
-#include <pty.h>
-#include <malloc.h>
-#include <linux/rtc.h>
-
-/* For the benefit of older linux systems which don't supply it,
-   we use a local copy of hpet.h. */
-/* #include <linux/hpet.h> */
-#include "hpet.h"
-
-#include <linux/ppdev.h>
-#include <linux/parport.h>
-#else
-#include <sys/stat.h>
-#include <sys/ethernet.h>
-#include <sys/sockio.h>
-#include <netinet/arp.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h> // must come after ip.h
-#include <netinet/udp.h>
-#include <netinet/tcp.h>
-#include <net/if.h>
-#include <syslog.h>
-#include <stropts.h>
-#endif
-#endif
-#endif
-
-#include "qemu_socket.h"
-
-#if defined(CONFIG_SLIRP)
-#include "libslirp.h"
-#endif
-
-#if defined(__OpenBSD__)
-#include <util.h>
-#endif
-
-#if defined(CONFIG_VDE)
-#include <libvdeplug.h>
-#endif
-
-#ifdef _WIN32
-#include <malloc.h>
-#include <sys/timeb.h>
-#include <mmsystem.h>
-#define getopt_long_only getopt_long
-#define memalign(align, size) malloc(size)
-#endif
-
-
-#ifdef CONFIG_COCOA
-#undef main
-#define main qemu_main
-#endif /* CONFIG_COCOA */
-
-#ifdef CONFIG_SKINS
-#undef main
-#define main qemu_main
-#endif
-
-#include "disas.h"
-
-#include "exec-all.h"
-
-#ifdef CONFIG_TRACE
-#include "trace.h"
-#include "dcache.h"
-#endif
-
-#ifdef CONFIG_NAND
-#include "hw/goldfish_nand.h"
-#endif
-
-#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
-#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
-#ifdef __sun__
-#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
-#else
-#define SMBD_COMMAND "/usr/sbin/smbd"
-#endif
-
-//#define DEBUG_UNUSED_IOPORT
-//#define DEBUG_IOPORT
-
-#ifdef TARGET_PPC
-#define DEFAULT_RAM_SIZE 144
-#else
-#define DEFAULT_RAM_SIZE 128
-#endif
-
-/* Max number of USB devices that can be specified on the commandline.  */
-#define MAX_USB_CMDLINE 8
-
-/* XXX: use a two level table to limit memory usage */
-#define MAX_IOPORTS 65536
-
-const char *bios_dir = CONFIG_QEMU_SHAREDIR;
-const char *bios_name = NULL;
-void *ioport_opaque[MAX_IOPORTS];
-IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
-IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
-/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
-   to store the VM snapshots */
-DriveInfo drives_table[MAX_DRIVES+1];
-int nb_drives;
-/* point to the block driver where the snapshots are managed */
-BlockDriverState *bs_snapshots;
-int vga_ram_size;
-static DisplayState display_state;
-int nographic;
-int curses;
-const char* keyboard_layout = NULL;
-int64_t ticks_per_sec;
-ram_addr_t ram_size;
-int pit_min_timer_count = 0;
-int nb_nics;
-NICInfo nd_table[MAX_NICS];
-int vm_running;
-static int rtc_utc = 1;
-static int rtc_date_offset = -1; /* -1 means no change */
-int cirrus_vga_enabled = 1;
-int vmsvga_enabled = 0;
-#ifdef TARGET_SPARC
-int graphic_width = 1024;
-int graphic_height = 768;
-int graphic_depth = 8;
-#else
-int graphic_width = 800;
-int graphic_height = 600;
-int graphic_depth = 15;
-#endif
-int full_screen = 0;
-int no_frame = 0;
-int no_quit = 0;
-CharDriverState *serial_hds[MAX_SERIAL_PORTS];
-CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
-#ifdef TARGET_I386
-int win2k_install_hack = 0;
-#endif
-int usb_enabled = 0;
-static VLANState *first_vlan;
-int smp_cpus = 1;
-const char *vnc_display;
-#if defined(TARGET_SPARC)
-#define MAX_CPUS 16
-#elif defined(TARGET_I386)
-#define MAX_CPUS 255
-#else
-#define MAX_CPUS 1
-#endif
-int acpi_enabled = 1;
-int fd_bootchk = 1;
-int no_reboot = 0;
-int no_shutdown = 0;
-int cursor_hide = 1;
-int graphic_rotate = 0;
-int daemonize = 0;
-const char *option_rom[MAX_OPTION_ROMS];
-int nb_option_roms;
-int semihosting_enabled = 0;
-int autostart = 1;
-#ifdef TARGET_ARM
-int old_param = 0;
-#endif
-const char *qemu_name;
-int alt_grab = 0;
-#ifdef TARGET_SPARC
-unsigned int nb_prom_envs = 0;
-const char *prom_envs[MAX_PROM_ENVS];
-#endif
-int nb_drives_opt;
-struct drive_opt {
-    const char *file;
-    char opt[1024];
-} drives_opt[MAX_DRIVES];
-
-static CPUState *cur_cpu;
-static CPUState *next_cpu;
-static int event_pending = 1;
-/* Conversion factor from emulated instructions to virtual clock ticks.  */
-static int icount_time_shift;
-/* Arbitrarily pick 1MIPS as the minimum allowable speed.  */
-#define MAX_ICOUNT_SHIFT 10
-/* Compensate for varying guest execution speed.  */
-static int64_t qemu_icount_bias;
-QEMUTimer *icount_rt_timer;
-QEMUTimer *icount_vm_timer;
-
-
-extern int   qemu_cpu_delay;
-extern int   android_audio_enabled;
-extern char* audio_input_source;
-
-extern void  dprint( const char* format, ... );
-
-#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
-
-/***********************************************************/
-/* x86 ISA bus support */
-
-target_phys_addr_t isa_mem_base = 0;
-PicState2 *isa_pic;
-
-static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
-static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
-
-static uint32_t ioport_read(int index, uint32_t address)
-{
-    static IOPortReadFunc *default_func[3] = {
-        default_ioport_readb,
-        default_ioport_readw,
-        default_ioport_readl
-    };
-    IOPortReadFunc *func = ioport_read_table[index][address];
-    if (!func)
-        func = default_func[index];
-    return func(ioport_opaque[address], address);
-}
-
-static void ioport_write(int index, uint32_t address, uint32_t data)
-{
-    static IOPortWriteFunc *default_func[3] = {
-        default_ioport_writeb,
-        default_ioport_writew,
-        default_ioport_writel
-    };
-    IOPortWriteFunc *func = ioport_write_table[index][address];
-    if (!func)
-        func = default_func[index];
-    func(ioport_opaque[address], address, data);
-}
-
-static uint32_t default_ioport_readb(void *opaque, uint32_t address)
-{
-#ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "unused inb: port=0x%04x\n", address);
-#endif
-    return 0xff;
-}
-
-static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
-{
-#ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
-#endif
-}
-
-/* default is to make two byte accesses */
-static uint32_t default_ioport_readw(void *opaque, uint32_t address)
-{
-    uint32_t data;
-    data = ioport_read(0, address);
-    address = (address + 1) & (MAX_IOPORTS - 1);
-    data |= ioport_read(0, address) << 8;
-    return data;
-}
-
-static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
-{
-    ioport_write(0, address, data & 0xff);
-    address = (address + 1) & (MAX_IOPORTS - 1);
-    ioport_write(0, address, (data >> 8) & 0xff);
-}
-
-static uint32_t default_ioport_readl(void *opaque, uint32_t address)
-{
-#ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "unused inl: port=0x%04x\n", address);
-#endif
-    return 0xffffffff;
-}
-
-static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
-{
-#ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
-#endif
-}
-
-/* size is the word size in byte */
-int register_ioport_read(int start, int length, int size,
-                         IOPortReadFunc *func, void *opaque)
-{
-    int i, bsize;
-
-    if (size == 1) {
-        bsize = 0;
-    } else if (size == 2) {
-        bsize = 1;
-    } else if (size == 4) {
-        bsize = 2;
-    } else {
-        hw_error("register_ioport_read: invalid size");
-        return -1;
-    }
-    for(i = start; i < start + length; i += size) {
-        ioport_read_table[bsize][i] = func;
-        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
-            hw_error("register_ioport_read: invalid opaque");
-        ioport_opaque[i] = opaque;
-    }
-    return 0;
-}
-
-/* size is the word size in byte */
-int register_ioport_write(int start, int length, int size,
-                          IOPortWriteFunc *func, void *opaque)
-{
-    int i, bsize;
-
-    if (size == 1) {
-        bsize = 0;
-    } else if (size == 2) {
-        bsize = 1;
-    } else if (size == 4) {
-        bsize = 2;
-    } else {
-        hw_error("register_ioport_write: invalid size");
-        return -1;
-    }
-    for(i = start; i < start + length; i += size) {
-        ioport_write_table[bsize][i] = func;
-        if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
-            hw_error("register_ioport_write: invalid opaque");
-        ioport_opaque[i] = opaque;
-    }
-    return 0;
-}
-
-void isa_unassign_ioport(int start, int length)
-{
-    int i;
-
-    for(i = start; i < start + length; i++) {
-        ioport_read_table[0][i] = default_ioport_readb;
-        ioport_read_table[1][i] = default_ioport_readw;
-        ioport_read_table[2][i] = default_ioport_readl;
-
-        ioport_write_table[0][i] = default_ioport_writeb;
-        ioport_write_table[1][i] = default_ioport_writew;
-        ioport_write_table[2][i] = default_ioport_writel;
-    }
-}
-
-/***********************************************************/
-
-void cpu_outb(CPUState *env, int addr, int val)
-{
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "outb: %04x %02x\n", addr, val);
-#endif
-    ioport_write(0, addr, val);
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-void cpu_outw(CPUState *env, int addr, int val)
-{
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "outw: %04x %04x\n", addr, val);
-#endif
-    ioport_write(1, addr, val);
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-void cpu_outl(CPUState *env, int addr, int val)
-{
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "outl: %04x %08x\n", addr, val);
-#endif
-    ioport_write(2, addr, val);
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-int cpu_inb(CPUState *env, int addr)
-{
-    int val;
-    val = ioport_read(0, addr);
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "inb : %04x %02x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-    return val;
-}
-
-int cpu_inw(CPUState *env, int addr)
-{
-    int val;
-    val = ioport_read(1, addr);
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "inw : %04x %04x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-    return val;
-}
-
-int cpu_inl(CPUState *env, int addr)
-{
-    int val;
-    val = ioport_read(2, addr);
-#ifdef DEBUG_IOPORT
-    if (loglevel & CPU_LOG_IOPORT)
-        fprintf(logfile, "inl : %04x %08x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
-    if (env)
-        env->last_io_time = cpu_get_time_fast();
-#endif
-    return val;
-}
-
-/***********************************************************/
-void hw_error(const char *fmt, ...)
-{
-    va_list ap;
-    CPUState *env;
-
-    va_start(ap, fmt);
-    fprintf(stderr, "qemu: hardware error: ");
-    vfprintf(stderr, fmt, ap);
-    fprintf(stderr, "\n");
-    for(env = first_cpu; env != NULL; env = env->next_cpu) {
-        fprintf(stderr, "CPU #%d:\n", env->cpu_index);
-#ifdef TARGET_I386
-        cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
-#else
-        cpu_dump_state(env, stderr, fprintf, 0);
-#endif
-    }
-    va_end(ap);
-    abort();
-}
-
-/***********************************************************/
-/* keyboard/mouse */
-
-static QEMUPutKBDEvent*  qemu_put_kbd_event;
-static void*             qemu_put_kbd_event_opaque;
-
-static QEMUPutKBDEventN*  qemu_put_kbd_event_n;
-static void*              qemu_put_kbd_event_n_opaque;
-
-
-static QEMUPutGenericEvent*  qemu_put_generic_event;
-static void*                 qemu_put_generic_event_opaque;
-
-static QEMUPutMouseEntry *qemu_put_mouse_event_head;
-static QEMUPutMouseEntry *qemu_put_mouse_event_current;
-
-void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
-{
-    qemu_put_kbd_event_opaque = opaque;
-    qemu_put_kbd_event = func;
-}
-
-void qemu_add_kbd_event_n_handler(QEMUPutKBDEventN *func, void *opaque)
-{
-    qemu_put_kbd_event_n_opaque = opaque;
-    qemu_put_kbd_event_n = func;
-}
-
-#if 0
-void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
-{
-    qemu_put_mouse_event_opaque = opaque;
-    qemu_put_mouse_event = func;
-    qemu_put_mouse_event_absolute = absolute;
-}
-#else
-QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
-                                                void *opaque, int absolute,
-                                                const char *name)
-{
-    QEMUPutMouseEntry *s, *cursor;
-
-    s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
-    if (!s)
-        return NULL;
-
-    s->qemu_put_mouse_event = func;
-    s->qemu_put_mouse_event_opaque = opaque;
-    s->qemu_put_mouse_event_absolute = absolute;
-    s->qemu_put_mouse_event_name = qemu_strdup(name);
-    s->next = NULL;
-
-    if (!qemu_put_mouse_event_head) {
-        qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
-        return s;
-    }
-
-    cursor = qemu_put_mouse_event_head;
-    while (cursor->next != NULL)
-        cursor = cursor->next;
-
-    cursor->next = s;
-    qemu_put_mouse_event_current = s;
-
-    return s;
-}
-
-void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
-{
-    QEMUPutMouseEntry *prev = NULL, *cursor;
-
-    if (!qemu_put_mouse_event_head || entry == NULL)
-        return;
-
-    cursor = qemu_put_mouse_event_head;
-    while (cursor != NULL && cursor != entry) {
-        prev = cursor;
-        cursor = cursor->next;
-    }
-
-    if (cursor == NULL) // does not exist or list empty
-        return;
-    else if (prev == NULL) { // entry is head
-        qemu_put_mouse_event_head = cursor->next;
-        if (qemu_put_mouse_event_current == entry)
-            qemu_put_mouse_event_current = cursor->next;
-        qemu_free(entry->qemu_put_mouse_event_name);
-        qemu_free(entry);
-        return;
-    }
-
-    prev->next = entry->next;
-
-    if (qemu_put_mouse_event_current == entry)
-        qemu_put_mouse_event_current = prev;
-
-    qemu_free(entry->qemu_put_mouse_event_name);
-    qemu_free(entry);
-}
-#endif
-
-void qemu_add_generic_event_handler(QEMUPutGenericEvent *func, void*  opaque)
-{
-    qemu_put_generic_event = func;
-    qemu_put_generic_event_opaque = opaque;
-}
-
-void kbd_put_keycode(int keycode)
-{
-    if (qemu_put_kbd_event) {
-        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
-    }
-}
-
-void kbd_put_keycodes(int*  keycodes, int  count)
-{
-    if (qemu_put_kbd_event_n)
-    {
-        qemu_put_kbd_event_n(qemu_put_kbd_event_n_opaque, keycodes, count);
-    }
-    else if (qemu_put_kbd_event)
-    {
-        int  nn;
-
-        for (nn = 0; nn < count; nn++)
-            qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycodes[nn]);
-    }
-}
-
-
-void  kbd_generic_event(int  type, int code, int  value)
-{
-    if (qemu_put_generic_event)
-        qemu_put_generic_event(qemu_put_generic_event_opaque, type, code, value);
-}
-
-
-void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
-{
-    QEMUPutMouseEvent *mouse_event;
-    void *mouse_event_opaque;
-    int width;
-
-    if (!qemu_put_mouse_event_current) {
-        return;
-    }
-
-    mouse_event =
-        qemu_put_mouse_event_current->qemu_put_mouse_event;
-    mouse_event_opaque =
-        qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
-
-    if (mouse_event) {
-        if (graphic_rotate) {
-            if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
-                width = 0x7fff;
-            else
-                width = graphic_width - 1;
-            mouse_event(mouse_event_opaque,
-                                 width - dy, dx, dz, buttons_state);
-        } else
-            mouse_event(mouse_event_opaque,
-                                 dx, dy, dz, buttons_state);
-    }
-}
-
-int kbd_mouse_is_absolute(void)
-{
-    if (!qemu_put_mouse_event_current)
-        return 0;
-
-    return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
-}
-
-void do_info_mice(void)
-{
-    QEMUPutMouseEntry *cursor;
-    int index = 0;
-
-    if (!qemu_put_mouse_event_head) {
-        term_printf("No mouse devices connected\n");
-        return;
-    }
-
-    term_printf("Mouse devices available:\n");
-    cursor = qemu_put_mouse_event_head;
-    while (cursor != NULL) {
-        term_printf("%c Mouse #%d: %s\n",
-                    (cursor == qemu_put_mouse_event_current ? '*' : ' '),
-                    index, cursor->qemu_put_mouse_event_name);
-        index++;
-        cursor = cursor->next;
-    }
-}
-
-void do_mouse_set(int index)
-{
-    QEMUPutMouseEntry *cursor;
-    int i = 0;
-
-    if (!qemu_put_mouse_event_head) {
-        term_printf("No mouse devices connected\n");
-        return;
-    }
-
-    cursor = qemu_put_mouse_event_head;
-    while (cursor != NULL && index != i) {
-        i++;
-        cursor = cursor->next;
-    }
-
-    if (cursor != NULL)
-        qemu_put_mouse_event_current = cursor;
-    else
-        term_printf("Mouse at given index not found\n");
-}
-
-/* compute with 96 bit intermediate result: (a*b)/c */
-uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
-{
-    union {
-        uint64_t ll;
-        struct {
-#ifdef WORDS_BIGENDIAN
-            uint32_t high, low;
-#else
-            uint32_t low, high;
-#endif
-        } l;
-    } u, res;
-    uint64_t rl, rh;
-
-    u.ll = a;
-    rl = (uint64_t)u.l.low * (uint64_t)b;
-    rh = (uint64_t)u.l.high * (uint64_t)b;
-    rh += (rl >> 32);
-    res.l.high = rh / c;
-    res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
-    return res.ll;
-}
-
-/***********************************************************/
-/* real time host monotonic timer */
-
-#define QEMU_TIMER_BASE 1000000000LL
-
-#ifdef WIN32
-
-static int64_t clock_freq;
-
-static void init_get_clock(void)
-{
-    LARGE_INTEGER freq;
-    int ret;
-    ret = QueryPerformanceFrequency(&freq);
-    if (ret == 0) {
-        fprintf(stderr, "Could not calibrate ticks\n");
-        exit(1);
-    }
-    clock_freq = freq.QuadPart;
-}
-
-static int64_t get_clock(void)
-{
-    LARGE_INTEGER ti;
-    QueryPerformanceCounter(&ti);
-    return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
-}
-
-#else
-
-static int use_rt_clock;
-
-static void init_get_clock(void)
-{
-    use_rt_clock = 0;
-#if defined(__linux__)
-    {
-        struct timespec ts;
-        if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
-            use_rt_clock = 1;
-        }
-    }
-#endif
-}
-
-static int64_t get_clock(void)
-{
-#if defined(__linux__)
-    if (use_rt_clock) {
-        struct timespec ts;
-        clock_gettime(CLOCK_MONOTONIC, &ts);
-        return ts.tv_sec * 1000000000LL + ts.tv_nsec;
-    } else
-#endif
-    {
-        /* XXX: using gettimeofday leads to problems if the date
-           changes, so it should be avoided. */
-        struct timeval tv;
-        gettimeofday(&tv, NULL);
-        return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
-    }
-}
-#endif
-
-/* Return the virtual CPU time, based on the instruction counter.  */
-static int64_t cpu_get_icount(void)
-{
-    int64_t icount;
-    CPUState *env = cpu_single_env;;
-    icount = qemu_icount;
-    if (env) {
-        if (!can_do_io(env))
-            fprintf(stderr, "Bad clock read\n");
-        icount -= (env->icount_decr.u16.low + env->icount_extra);
-    }
-    return qemu_icount_bias + (icount << icount_time_shift);
-}
-
-/***********************************************************/
-/* guest cycle counter */
-
-static int64_t cpu_ticks_prev;
-static int64_t cpu_ticks_offset;
-static int64_t cpu_clock_offset;
-static int cpu_ticks_enabled;
-
-/* return the host CPU cycle counter and handle stop/restart */
-int64_t cpu_get_ticks(void)
-{
-    if (use_icount) {
-        return cpu_get_icount();
-    }
-    if (!cpu_ticks_enabled) {
-        return cpu_ticks_offset;
-    } else {
-        int64_t ticks;
-        ticks = cpu_get_real_ticks();
-        if (cpu_ticks_prev > ticks) {
-            /* Note: non increasing ticks may happen if the host uses
-               software suspend */
-            cpu_ticks_offset += cpu_ticks_prev - ticks;
-        }
-        cpu_ticks_prev = ticks;
-        return ticks + cpu_ticks_offset;
-    }
-}
-
-/* return the host CPU monotonic timer and handle stop/restart */
-static int64_t cpu_get_clock(void)
-{
-    int64_t ti;
-    if (!cpu_ticks_enabled) {
-        return cpu_clock_offset;
-    } else {
-        ti = get_clock();
-        return ti + cpu_clock_offset;
-    }
-}
-
-/* enable cpu_get_ticks() */
-void cpu_enable_ticks(void)
-{
-    if (!cpu_ticks_enabled) {
-        cpu_ticks_offset -= cpu_get_real_ticks();
-        cpu_clock_offset -= get_clock();
-        cpu_ticks_enabled = 1;
-    }
-}
-
-/* disable cpu_get_ticks() : the clock is stopped. You must not call
-   cpu_get_ticks() after that.  */
-void cpu_disable_ticks(void)
-{
-    if (cpu_ticks_enabled) {
-        cpu_ticks_offset = cpu_get_ticks();
-        cpu_clock_offset = cpu_get_clock();
-        cpu_ticks_enabled = 0;
-    }
-}
-
-/***********************************************************/
-/* timers */
-
-#define QEMU_TIMER_REALTIME 0
-#define QEMU_TIMER_VIRTUAL  1
-
-struct QEMUClock {
-    int type;
-    /* XXX: add frequency */
-};
-
-struct QEMUTimer {
-    QEMUClock *clock;
-    int64_t expire_time;
-    QEMUTimerCB *cb;
-    void *opaque;
-    struct QEMUTimer *next;
-};
-
-struct qemu_alarm_timer {
-    char const *name;
-    unsigned int flags;
-
-    int (*start)(struct qemu_alarm_timer *t);
-    void (*stop)(struct qemu_alarm_timer *t);
-    void (*rearm)(struct qemu_alarm_timer *t);
-    void *priv;
-};
-
-#define ALARM_FLAG_DYNTICKS  0x1
-#define ALARM_FLAG_EXPIRED   0x2
-
-static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
-{
-    return t->flags & ALARM_FLAG_DYNTICKS;
-}
-
-static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
-{
-    if (!alarm_has_dynticks(t))
-        return;
-
-    t->rearm(t);
-}
-
-/* TODO: MIN_TIMER_REARM_US should be optimized */
-#define MIN_TIMER_REARM_US 250
-
-static struct qemu_alarm_timer *alarm_timer;
-
-#ifdef _WIN32
-
-struct qemu_alarm_win32 {
-    MMRESULT timerId;
-    HANDLE host_alarm;
-    unsigned int period;
-} alarm_win32_data = {0, NULL, -1};
-
-static int win32_start_timer(struct qemu_alarm_timer *t);
-static void win32_stop_timer(struct qemu_alarm_timer *t);
-static void win32_rearm_timer(struct qemu_alarm_timer *t);
-
-#else
-
-static int unix_start_timer(struct qemu_alarm_timer *t);
-static void unix_stop_timer(struct qemu_alarm_timer *t);
-
-#ifdef __linux__
-
-static int dynticks_start_timer(struct qemu_alarm_timer *t);
-static void dynticks_stop_timer(struct qemu_alarm_timer *t);
-static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
-
-static int hpet_start_timer(struct qemu_alarm_timer *t);
-static void hpet_stop_timer(struct qemu_alarm_timer *t);
-
-static int rtc_start_timer(struct qemu_alarm_timer *t);
-static void rtc_stop_timer(struct qemu_alarm_timer *t);
-
-#endif /* __linux__ */
-
-#endif /* _WIN32 */
-
-/* Correlation between real and virtual time is always going to be
-   fairly approximate, so ignore small variation.
-   When the guest is idle real and virtual time will be aligned in
-   the IO wait loop.  */
-#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
-
-static void icount_adjust(void)
-{
-    int64_t cur_time;
-    int64_t cur_icount;
-    int64_t delta;
-    static int64_t last_delta;
-    /* If the VM is not running, then do nothing.  */
-    if (!vm_running)
-        return;
-
-    cur_time = cpu_get_clock();
-    cur_icount = qemu_get_clock(vm_clock);
-    delta = cur_icount - cur_time;
-    /* FIXME: This is a very crude algorithm, somewhat prone to oscillation.  */
-    if (delta > 0
-        && last_delta + ICOUNT_WOBBLE < delta * 2
-        && icount_time_shift > 0) {
-        /* The guest is getting too far ahead.  Slow time down.  */
-        icount_time_shift--;
-    }
-    if (delta < 0
-        && last_delta - ICOUNT_WOBBLE > delta * 2
-        && icount_time_shift < MAX_ICOUNT_SHIFT) {
-        /* The guest is getting too far behind.  Speed time up.  */
-        icount_time_shift++;
-    }
-    last_delta = delta;
-    qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
-}
-
-static void icount_adjust_rt(void * opaque)
-{
-    qemu_mod_timer(icount_rt_timer,
-                   qemu_get_clock(rt_clock) + 1000);
-    icount_adjust();
-}
-
-static void icount_adjust_vm(void * opaque)
-{
-    qemu_mod_timer(icount_vm_timer,
-                   qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
-    icount_adjust();
-}
-
-static void init_icount_adjust(void)
-{
-    /* Have both realtime and virtual time triggers for speed adjustment.
-       The realtime trigger catches emulated time passing too slowly,
-       the virtual time trigger catches emulated time passing too fast.
-       Realtime triggers occur even when idle, so use them less frequently
-       than VM triggers.  */
-    icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
-    qemu_mod_timer(icount_rt_timer,
-                   qemu_get_clock(rt_clock) + 1000);
-    icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
-    qemu_mod_timer(icount_vm_timer,
-                   qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
-}
-
-static struct qemu_alarm_timer alarm_timers[] = {
-#ifndef _WIN32
-#ifdef __linux__
-    {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
-     dynticks_stop_timer, dynticks_rearm_timer, NULL},
-    /* HPET - if available - is preferred */
-    {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
-    /* ...otherwise try RTC */
-    {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
-#endif
-    {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
-#else
-    {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
-     win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
-    {"win32", 0, win32_start_timer,
-     win32_stop_timer, NULL, &alarm_win32_data},
-#endif
-    {NULL, 0, NULL, NULL, NULL, NULL}
-};
-
-static void show_available_alarms(void)
-{
-    int i;
-
-    printf("Available alarm timers, in order of precedence:\n");
-    for (i = 0; alarm_timers[i].name; i++)
-        printf("%s\n", alarm_timers[i].name);
-}
-
-static void configure_alarms(char const *opt)
-{
-    int i;
-    int cur = 0;
-    int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
-    char *arg;
-    char *name;
-    struct qemu_alarm_timer tmp;
-
-    if (!strcmp(opt, "?")) {
-        show_available_alarms();
-        exit(0);
-    }
-
-    arg = strdup(opt);
-
-    /* Reorder the array */
-    name = strtok(arg, ",");
-    while (name) {
-        for (i = 0; i < count && alarm_timers[i].name; i++) {
-            if (!strcmp(alarm_timers[i].name, name))
-                break;
-        }
-
-        if (i == count) {
-            fprintf(stderr, "Unknown clock %s\n", name);
-            goto next;
-        }
-
-        if (i < cur)
-            /* Ignore */
-            goto next;
-
-	/* Swap */
-        tmp = alarm_timers[i];
-        alarm_timers[i] = alarm_timers[cur];
-        alarm_timers[cur] = tmp;
-
-        cur++;
-next:
-        name = strtok(NULL, ",");
-    }
-
-    free(arg);
-
-    if (cur) {
-        /* Disable remaining timers */
-        for (i = cur; i < count; i++)
-            alarm_timers[i].name = NULL;
-    } else {
-        show_available_alarms();
-        exit(1);
-    }
-}
-
-QEMUClock *rt_clock;
-QEMUClock *vm_clock;
-
-static QEMUTimer *active_timers[2];
-
-static QEMUClock *qemu_new_clock(int type)
-{
-    QEMUClock *clock;
-    clock = qemu_mallocz(sizeof(QEMUClock));
-    if (!clock)
-        return NULL;
-    clock->type = type;
-    return clock;
-}
-
-QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
-{
-    QEMUTimer *ts;
-
-    ts = qemu_mallocz(sizeof(QEMUTimer));
-    ts->clock = clock;
-    ts->cb = cb;
-    ts->opaque = opaque;
-    return ts;
-}
-
-void qemu_free_timer(QEMUTimer *ts)
-{
-    qemu_free(ts);
-}
-
-/* stop a timer, but do not dealloc it */
-void qemu_del_timer(QEMUTimer *ts)
-{
-    QEMUTimer **pt, *t;
-
-    /* NOTE: this code must be signal safe because
-       qemu_timer_expired() can be called from a signal. */
-    pt = &active_timers[ts->clock->type];
-    for(;;) {
-        t = *pt;
-        if (!t)
-            break;
-        if (t == ts) {
-            *pt = t->next;
-            break;
-        }
-        pt = &t->next;
-    }
-}
-
-/* modify the current timer so that it will be fired when current_time
-   >= expire_time. The corresponding callback will be called. */
-void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
-{
-    QEMUTimer **pt, *t;
-
-    qemu_del_timer(ts);
-
-    /* add the timer in the sorted list */
-    /* NOTE: this code must be signal safe because
-       qemu_timer_expired() can be called from a signal. */
-    pt = &active_timers[ts->clock->type];
-    for(;;) {
-        t = *pt;
-        if (!t)
-            break;
-        if (t->expire_time > expire_time)
-            break;
-        pt = &t->next;
-    }
-    ts->expire_time = expire_time;
-    ts->next = *pt;
-    *pt = ts;
-
-    /* Rearm if necessary  */
-    if (pt == &active_timers[ts->clock->type]) {
-        if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
-            qemu_rearm_alarm_timer(alarm_timer);
-        }
-        /* Interrupt execution to force deadline recalculation.  */
-        if (use_icount && cpu_single_env) {
-            cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-        }
-    }
-}
-
-int qemu_timer_pending(QEMUTimer *ts)
-{
-    QEMUTimer *t;
-    for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
-        if (t == ts)
-            return 1;
-    }
-    return 0;
-}
-
-static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
-{
-    if (!timer_head)
-        return 0;
-    return (timer_head->expire_time <= current_time);
-}
-
-static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
-{
-    QEMUTimer *ts;
-
-    for(;;) {
-        ts = *ptimer_head;
-        if (!ts || ts->expire_time > current_time)
-            break;
-        /* remove timer from the list before calling the callback */
-        *ptimer_head = ts->next;
-        ts->next = NULL;
-
-        /* run the callback (the timer list can be modified) */
-        ts->cb(ts->opaque);
-    }
-}
-
-int64_t qemu_get_clock(QEMUClock *clock)
-{
-    switch(clock->type) {
-    case QEMU_TIMER_REALTIME:
-        return get_clock() / 1000000;
-    default:
-    case QEMU_TIMER_VIRTUAL:
-        if (use_icount) {
-            return cpu_get_icount();
-        } else {
-            return cpu_get_clock();
-        }
-    }
-}
-
-static void init_timers(void)
-{
-    init_get_clock();
-    ticks_per_sec = QEMU_TIMER_BASE;
-    rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
-    vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
-}
-
-/* save a timer */
-void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
-{
-    uint64_t expire_time;
-
-    if (qemu_timer_pending(ts)) {
-        expire_time = ts->expire_time;
-    } else {
-        expire_time = -1;
-    }
-    qemu_put_be64(f, expire_time);
-}
-
-void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
-{
-    uint64_t expire_time;
-
-    expire_time = qemu_get_be64(f);
-    if (expire_time != -1) {
-        qemu_mod_timer(ts, expire_time);
-    } else {
-        qemu_del_timer(ts);
-    }
-}
-
-static void timer_save(QEMUFile *f, void *opaque)
-{
-    if (cpu_ticks_enabled) {
-        hw_error("cannot save state if virtual timers are running");
-    }
-    qemu_put_be64(f, cpu_ticks_offset);
-    qemu_put_be64(f, ticks_per_sec);
-    qemu_put_be64(f, cpu_clock_offset);
-}
-
-static int timer_load(QEMUFile *f, void *opaque, int version_id)
-{
-    if (version_id != 1 && version_id != 2)
-        return -EINVAL;
-    if (cpu_ticks_enabled) {
-        return -EINVAL;
-    }
-    cpu_ticks_offset=qemu_get_be64(f);
-    ticks_per_sec=qemu_get_be64(f);
-    if (version_id == 2) {
-        cpu_clock_offset=qemu_get_be64(f);
-    }
-    return 0;
-}
-
-#ifdef _WIN32
-void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
-                                 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
-#else
-static void host_alarm_handler(int host_signum)
-#endif
-{
-#if 0
-#define DISP_FREQ 1000
-    {
-        static int64_t delta_min = INT64_MAX;
-        static int64_t delta_max, delta_cum, last_clock, delta, ti;
-        static int count;
-        ti = qemu_get_clock(vm_clock);
-        if (last_clock != 0) {
-            delta = ti - last_clock;
-            if (delta < delta_min)
-                delta_min = delta;
-            if (delta > delta_max)
-                delta_max = delta;
-            delta_cum += delta;
-            if (++count == DISP_FREQ) {
-                printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
-                       muldiv64(delta_min, 1000000, ticks_per_sec),
-                       muldiv64(delta_max, 1000000, ticks_per_sec),
-                       muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
-                       (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
-                count = 0;
-                delta_min = INT64_MAX;
-                delta_max = 0;
-                delta_cum = 0;
-            }
-        }
-        last_clock = ti;
-    }
-#endif
-    if (alarm_has_dynticks(alarm_timer) ||
-        (!use_icount &&
-            qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
-                               qemu_get_clock(vm_clock))) ||
-        qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
-                           qemu_get_clock(rt_clock))) {
-#ifdef _WIN32
-        struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
-        SetEvent(data->host_alarm);
-#endif
-        CPUState *env = next_cpu;
-
-        alarm_timer->flags |= ALARM_FLAG_EXPIRED;
-
-        if (env) {
-            /* stop the currently executing cpu because a timer occured */
-            cpu_interrupt(env, CPU_INTERRUPT_EXIT);
-#ifdef USE_KQEMU
-            if (env->kqemu_enabled) {
-                kqemu_cpu_interrupt(env);
-            }
-#endif
-        }
-        event_pending = 1;
-    }
-}
-
-static int64_t qemu_next_deadline(void)
-{
-    int64_t delta;
-
-    if (active_timers[QEMU_TIMER_VIRTUAL]) {
-        delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
-                     qemu_get_clock(vm_clock);
-    } else {
-        /* To avoid problems with overflow limit this to 2^32.  */
-        delta = INT32_MAX;
-    }
-
-    if (delta < 0)
-        delta = 0;
-
-    return delta;
-}
-
-#if defined(__linux__) || defined(_WIN32)
-static uint64_t qemu_next_deadline_dyntick(void)
-{
-    int64_t delta;
-    int64_t rtdelta;
-
-    if (use_icount)
-        delta = INT32_MAX;
-    else
-        delta = (qemu_next_deadline() + 999) / 1000;
-
-    if (active_timers[QEMU_TIMER_REALTIME]) {
-        rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
-                 qemu_get_clock(rt_clock))*1000;
-        if (rtdelta < delta)
-            delta = rtdelta;
-    }
-
-    if (delta < MIN_TIMER_REARM_US)
-        delta = MIN_TIMER_REARM_US;
-
-    return delta;
-}
-#endif
-
-#ifndef _WIN32
-
-#if defined(__linux__)
-
-#define RTC_FREQ 1024
-
-static void enable_sigio_timer(int fd)
-{
-    struct sigaction act;
-
-    /* timer signal */
-    sigfillset(&act.sa_mask);
-    act.sa_flags = 0;
-    act.sa_handler = host_alarm_handler;
-
-    sigaction(SIGIO, &act, NULL);
-    fcntl(fd, F_SETFL, O_ASYNC);
-    fcntl(fd, F_SETOWN, getpid());
-}
-
-static int hpet_start_timer(struct qemu_alarm_timer *t)
-{
-    struct hpet_info info;
-    int r, fd;
-
-    fd = open("/dev/hpet", O_RDONLY);
-    if (fd < 0)
-        return -1;
-
-    /* Set frequency */
-    r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
-    if (r < 0) {
-        fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
-                "error, but for better emulation accuracy type:\n"
-                "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
-        goto fail;
-    }
-
-    /* Check capabilities */
-    r = ioctl(fd, HPET_INFO, &info);
-    if (r < 0)
-        goto fail;
-
-    /* Enable periodic mode */
-    r = ioctl(fd, HPET_EPI, 0);
-    if (info.hi_flags && (r < 0))
-        goto fail;
-
-    /* Enable interrupt */
-    r = ioctl(fd, HPET_IE_ON, 0);
-    if (r < 0)
-        goto fail;
-
-    enable_sigio_timer(fd);
-    t->priv = (void *)(long)fd;
-
-    return 0;
-fail:
-    close(fd);
-    return -1;
-}
-
-static void hpet_stop_timer(struct qemu_alarm_timer *t)
-{
-    int fd = (long)t->priv;
-
-    close(fd);
-}
-
-static int rtc_start_timer(struct qemu_alarm_timer *t)
-{
-    int rtc_fd;
-    unsigned long current_rtc_freq = 0;
-
-    TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
-    if (rtc_fd < 0)
-        return -1;
-    ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
-    if (current_rtc_freq != RTC_FREQ &&
-        ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
-        fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
-                "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
-                "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
-        goto fail;
-    }
-    if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
-    fail:
-        close(rtc_fd);
-        return -1;
-    }
-
-    enable_sigio_timer(rtc_fd);
-
-    t->priv = (void *)(long)rtc_fd;
-
-    return 0;
-}
-
-static void rtc_stop_timer(struct qemu_alarm_timer *t)
-{
-    int rtc_fd = (long)t->priv;
-
-    close(rtc_fd);
-}
-
-static int dynticks_start_timer(struct qemu_alarm_timer *t)
-{
-    struct sigevent ev;
-    timer_t host_timer;
-    struct sigaction act;
-
-    sigfillset(&act.sa_mask);
-    act.sa_flags = 0;
-    act.sa_handler = host_alarm_handler;
-
-    sigaction(SIGALRM, &act, NULL);
-
-    ev.sigev_value.sival_int = 0;
-    ev.sigev_notify = SIGEV_SIGNAL;
-    ev.sigev_signo = SIGALRM;
-
-    if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
-        perror("timer_create");
-
-        /* disable dynticks */
-        fprintf(stderr, "Dynamic Ticks disabled\n");
-
-        return -1;
-    }
-
-    t->priv = (void *)host_timer;
-
-    return 0;
-}
-
-static void dynticks_stop_timer(struct qemu_alarm_timer *t)
-{
-    timer_t host_timer = (timer_t)t->priv;
-
-    timer_delete(host_timer);
-}
-
-static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
-{
-    timer_t host_timer = (timer_t)t->priv;
-    struct itimerspec timeout;
-    int64_t nearest_delta_us = INT64_MAX;
-    int64_t current_us;
-
-    if (!active_timers[QEMU_TIMER_REALTIME] &&
-                !active_timers[QEMU_TIMER_VIRTUAL])
-        return;
-
-    nearest_delta_us = qemu_next_deadline_dyntick();
-
-    /* check whether a timer is already running */
-    if (timer_gettime(host_timer, &timeout)) {
-        perror("gettime");
-        fprintf(stderr, "Internal timer error: aborting\n");
-        exit(1);
-    }
-    current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
-    if (current_us && current_us <= nearest_delta_us)
-        return;
-
-    timeout.it_interval.tv_sec = 0;
-    timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
-    timeout.it_value.tv_sec =  nearest_delta_us / 1000000;
-    timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
-    if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
-        perror("settime");
-        fprintf(stderr, "Internal timer error: aborting\n");
-        exit(1);
-    }
-}
-
-#endif /* defined(__linux__) */
-
-static int unix_start_timer(struct qemu_alarm_timer *t)
-{
-    struct sigaction act;
-    struct itimerval itv;
-    int err;
-
-    /* timer signal */
-    sigfillset(&act.sa_mask);
-    act.sa_flags = 0;
-    act.sa_handler = host_alarm_handler;
-
-    sigaction(SIGALRM, &act, NULL);
-
-    itv.it_interval.tv_sec = 0;
-    /* for i386 kernel 2.6 to get 1 ms */
-    itv.it_interval.tv_usec = 999;
-    itv.it_value.tv_sec = 0;
-    itv.it_value.tv_usec = 10 * 1000;
-
-    err = setitimer(ITIMER_REAL, &itv, NULL);
-    if (err)
-        return -1;
-
-    return 0;
-}
-
-static void unix_stop_timer(struct qemu_alarm_timer *t)
-{
-    struct itimerval itv;
-
-    memset(&itv, 0, sizeof(itv));
-    setitimer(ITIMER_REAL, &itv, NULL);
-}
-
-#endif /* !defined(_WIN32) */
-
-#ifdef _WIN32
-
-static int win32_start_timer(struct qemu_alarm_timer *t)
-{
-    TIMECAPS tc;
-    struct qemu_alarm_win32 *data = t->priv;
-    UINT flags;
-
-    data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
-    if (!data->host_alarm) {
-        perror("Failed CreateEvent");
-        return -1;
-    }
-
-    memset(&tc, 0, sizeof(tc));
-    timeGetDevCaps(&tc, sizeof(tc));
-
-    if (data->period < tc.wPeriodMin)
-        data->period = tc.wPeriodMin;
-
-    timeBeginPeriod(data->period);
-
-    flags = TIME_CALLBACK_FUNCTION;
-    if (alarm_has_dynticks(t))
-        flags |= TIME_ONESHOT;
-    else
-        flags |= TIME_PERIODIC;
-
-    data->timerId = timeSetEvent(1,         // interval (ms)
-                        data->period,       // resolution
-                        host_alarm_handler, // function
-                        (DWORD)t,           // parameter
-                        flags);
-
-    if (!data->timerId) {
-        perror("Failed to initialize win32 alarm timer");
-
-        timeEndPeriod(data->period);
-        CloseHandle(data->host_alarm);
-        return -1;
-    }
-
-    qemu_add_wait_object(data->host_alarm, NULL, NULL);
-
-    return 0;
-}
-
-static void win32_stop_timer(struct qemu_alarm_timer *t)
-{
-    struct qemu_alarm_win32 *data = t->priv;
-
-    timeKillEvent(data->timerId);
-    timeEndPeriod(data->period);
-
-    CloseHandle(data->host_alarm);
-}
-
-static void win32_rearm_timer(struct qemu_alarm_timer *t)
-{
-    struct qemu_alarm_win32 *data = t->priv;
-    uint64_t nearest_delta_us;
-
-    if (!active_timers[QEMU_TIMER_REALTIME] &&
-                !active_timers[QEMU_TIMER_VIRTUAL])
-        return;
-
-    nearest_delta_us = qemu_next_deadline_dyntick();
-    nearest_delta_us /= 1000;
-
-    timeKillEvent(data->timerId);
-
-    data->timerId = timeSetEvent(1,
-                        data->period,
-                        host_alarm_handler,
-                        (DWORD)t,
-                        TIME_ONESHOT | TIME_PERIODIC);
-
-    if (!data->timerId) {
-        perror("Failed to re-arm win32 alarm timer");
-
-        timeEndPeriod(data->period);
-        CloseHandle(data->host_alarm);
-        exit(1);
-    }
-}
-
-#endif /* _WIN32 */
-
-static void init_timer_alarm(void)
-{
-    struct qemu_alarm_timer *t;
-    int i, err = -1;
-
-    for (i = 0; alarm_timers[i].name; i++) {
-        t = &alarm_timers[i];
-
-        err = t->start(t);
-        if (!err)
-            break;
-    }
-
-    if (err) {
-        fprintf(stderr, "Unable to find any suitable alarm timer.\n");
-        fprintf(stderr, "Terminating\n");
-        exit(1);
-    }
-
-    alarm_timer = t;
-}
-
-static void quit_timers(void)
-{
-    alarm_timer->stop(alarm_timer);
-    alarm_timer = NULL;
-}
-
-/***********************************************************/
-/* host time/date access */
-void qemu_get_timedate(struct tm *tm, int offset)
-{
-    time_t ti;
-    struct tm *ret;
-
-    time(&ti);
-    ti += offset;
-    if (rtc_date_offset == -1) {
-        if (rtc_utc)
-            ret = gmtime(&ti);
-        else
-            ret = localtime(&ti);
-    } else {
-        ti -= rtc_date_offset;
-        ret = gmtime(&ti);
-    }
-
-    memcpy(tm, ret, sizeof(struct tm));
-}
-
-int qemu_timedate_diff(struct tm *tm)
-{
-    time_t seconds;
-
-    if (rtc_date_offset == -1)
-        if (rtc_utc)
-            seconds = mktimegm(tm);
-        else
-            seconds = mktime(tm);
-    else
-        seconds = mktimegm(tm) + rtc_date_offset;
-
-    return seconds - time(NULL);
-}
-
-
-#ifdef CONFIG_TRACE
-static int tbflush_requested;
-static int exit_requested;
-
-void start_tracing()
-{
-  if (trace_filename == NULL)
-    return;
-  if (!tracing) {
-    fprintf(stderr,"-- start tracing --\n");
-    start_time = Now();
-  }
-  tracing = 1;
-  tbflush_requested = 1;
-  if (cpu_single_env)
-    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-
-void stop_tracing()
-{
-  if (trace_filename == NULL)
-    return;
-  if (tracing) {
-    end_time = Now();
-    elapsed_usecs += end_time - start_time;
-    fprintf(stderr,"-- stop tracing --\n");
-  }
-  tracing = 0;
-  tbflush_requested = 1;
-  if (cpu_single_env)
-    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-
-#ifndef _WIN32
-/* This is the handler for the SIGUSR1 and SIGUSR2 signals.
- * SIGUSR1 turns tracing on.  SIGUSR2 turns tracing off.
- */
-void sigusr_handler(int sig)
-{
-  if (sig == SIGUSR1)
-    start_tracing();
-  else
-    stop_tracing();
-}
-#endif
-
-/* This is the handler to catch control-C so that we can exit cleanly.
- * This is needed when tracing to flush the buffers to disk.
- */
-void sigint_handler(int sig)
-{
-  exit_requested = 1;
-  if (cpu_single_env)
-    cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-#endif /* CONFIG_TRACE */
-
-
-/***********************************************************/
-/* character device */
-
-static void qemu_chr_event(CharDriverState *s, int event)
-{
-    if (!s->chr_event)
-        return;
-    s->chr_event(s->handler_opaque, event);
-}
-
-static void qemu_chr_reset_bh(void *opaque)
-{
-    CharDriverState *s = opaque;
-    qemu_chr_event(s, CHR_EVENT_RESET);
-    qemu_bh_delete(s->bh);
-    s->bh = NULL;
-}
-
-void qemu_chr_reset(CharDriverState *s)
-{
-    if (s->bh == NULL) {
-	s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
-	qemu_bh_schedule(s->bh);
-    }
-}
-
-int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
-{
-    return s->chr_write(s, buf, len);
-}
-
-int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
-{
-    if (!s->chr_ioctl)
-        return -ENOTSUP;
-    return s->chr_ioctl(s, cmd, arg);
-}
-
-int qemu_chr_can_read(CharDriverState *s)
-{
-    if (!s->chr_can_read)
-        return 0;
-    return s->chr_can_read(s->handler_opaque);
-}
-
-void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
-{
-    s->chr_read(s->handler_opaque, buf, len);
-}
-
-void qemu_chr_accept_input(CharDriverState *s)
-{
-    if (s->chr_accept_input)
-        s->chr_accept_input(s);
-}
-
-void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
-{
-    char buf[4096];
-    va_list ap;
-    va_start(ap, fmt);
-    vsnprintf(buf, sizeof(buf), fmt, ap);
-    qemu_chr_write(s, (uint8_t *)buf, strlen(buf));
-    va_end(ap);
-}
-
-void qemu_chr_send_event(CharDriverState *s, int event)
-{
-    if (s->chr_send_event)
-        s->chr_send_event(s, event);
-}
-
-void qemu_chr_add_handlers(CharDriverState *s,
-                           IOCanRWHandler *fd_can_read,
-                           IOReadHandler *fd_read,
-                           IOEventHandler *fd_event,
-                           void *opaque)
-{
-    s->chr_can_read = fd_can_read;
-    s->chr_read = fd_read;
-    s->chr_event = fd_event;
-    s->handler_opaque = opaque;
-    if (s->chr_update_read_handler)
-        s->chr_update_read_handler(s);
-}
-
-static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    return len;
-}
-
-static CharDriverState *qemu_chr_open_null(void)
-{
-    CharDriverState *chr;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    chr->chr_write = null_chr_write;
-    return chr;
-}
-
-/* MUX driver for serial I/O splitting */
-static int term_timestamps;
-static int64_t term_timestamps_start;
-#define MAX_MUX 4
-#define MUX_BUFFER_SIZE 32	/* Must be a power of 2.  */
-#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
-typedef struct {
-    IOCanRWHandler *chr_can_read[MAX_MUX];
-    IOReadHandler *chr_read[MAX_MUX];
-    IOEventHandler *chr_event[MAX_MUX];
-    void *ext_opaque[MAX_MUX];
-    CharDriverState *drv;
-    unsigned char buffer[MUX_BUFFER_SIZE];
-    int prod;
-    int cons;
-    int mux_cnt;
-    int term_got_escape;
-    int max_size;
-} MuxDriver;
-
-
-static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    MuxDriver *d = chr->opaque;
-    int ret;
-    if (!term_timestamps) {
-        ret = d->drv->chr_write(d->drv, buf, len);
-    } else {
-        int i;
-
-        ret = 0;
-        for(i = 0; i < len; i++) {
-            ret += d->drv->chr_write(d->drv, buf+i, 1);
-            if (buf[i] == '\n') {
-                char buf1[64];
-                int64_t ti;
-                int secs;
-
-                ti = get_clock();
-                if (term_timestamps_start == -1)
-                    term_timestamps_start = ti;
-                ti -= term_timestamps_start;
-                secs = ti / 1000000000;
-                snprintf(buf1, sizeof(buf1),
-                         "[%02d:%02d:%02d.%03d] ",
-                         secs / 3600,
-                         (secs / 60) % 60,
-                         secs % 60,
-                         (int)((ti / 1000000) % 1000));
-                d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1));
-            }
-        }
-    }
-    return ret;
-}
-
-static const char * const mux_help[] = {
-    "% h    print this help\n\r",
-    "% x    exit emulator\n\r",
-    "% s    save disk data back to file (if -snapshot)\n\r",
-    "% t    toggle console timestamps\n\r"
-    "% b    send break (magic sysrq)\n\r",
-    "% c    switch between console and monitor\n\r",
-    "% %  sends %\n\r",
-    NULL
-};
-
-static int term_escape_char = 0x01; /* ctrl-a is used for escape */
-static void mux_print_help(CharDriverState *chr)
-{
-    int i, j;
-    char ebuf[15] = "Escape-Char";
-    char cbuf[50] = "\n\r";
-
-    if (term_escape_char > 0 && term_escape_char < 26) {
-        snprintf(cbuf, sizeof(cbuf), "\n\r");
-        snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a');
-    } else {
-        snprintf(cbuf, sizeof(cbuf),
-                 "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
-                 term_escape_char);
-    }
-    chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf));
-    for (i = 0; mux_help[i] != NULL; i++) {
-        for (j=0; mux_help[i][j] != '\0'; j++) {
-            if (mux_help[i][j] == '%')
-                chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf));
-            else
-                chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
-        }
-    }
-}
-
-static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
-{
-    if (d->term_got_escape) {
-        d->term_got_escape = 0;
-        if (ch == term_escape_char)
-            goto send_char;
-        switch(ch) {
-        case '?':
-        case 'h':
-            mux_print_help(chr);
-            break;
-        case 'x':
-            {
-                 const char *term =  "QEMU: Terminated\n\r";
-                 chr->chr_write(chr,(uint8_t *)term,strlen(term));
-                 exit(0);
-                 break;
-            }
-        case 's':
-            {
-                int i;
-                for (i = 0; i < nb_drives; i++) {
-                        bdrv_commit(drives_table[i].bdrv);
-                }
-            }
-            break;
-        case 'b':
-            qemu_chr_event(chr, CHR_EVENT_BREAK);
-            break;
-        case 'c':
-            /* Switch to the next registered device */
-            chr->focus++;
-            if (chr->focus >= d->mux_cnt)
-                chr->focus = 0;
-            break;
-       case 't':
-           term_timestamps = !term_timestamps;
-           term_timestamps_start = -1;
-           break;
-        }
-    } else if (ch == term_escape_char) {
-        d->term_got_escape = 1;
-    } else {
-    send_char:
-        return 1;
-    }
-    return 0;
-}
-
-static void mux_chr_accept_input(CharDriverState *chr)
-{
-    int m = chr->focus;
-    MuxDriver *d = chr->opaque;
-
-    while (d->prod != d->cons &&
-           d->chr_can_read[m] &&
-           d->chr_can_read[m](d->ext_opaque[m])) {
-        d->chr_read[m](d->ext_opaque[m],
-                       &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1);
-    }
-}
-
-static int mux_chr_can_read(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    MuxDriver *d = chr->opaque;
-
-    if ((d->prod - d->cons) < MUX_BUFFER_SIZE)
-        return 1;
-    if (d->chr_can_read[chr->focus])
-        return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
-    return 0;
-}
-
-static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
-{
-    CharDriverState *chr = opaque;
-    MuxDriver *d = chr->opaque;
-    int m = chr->focus;
-    int i;
-
-    mux_chr_accept_input (opaque);
-
-    for(i = 0; i < size; i++)
-        if (mux_proc_byte(chr, d, buf[i])) {
-            if (d->prod == d->cons &&
-                d->chr_can_read[m] &&
-                d->chr_can_read[m](d->ext_opaque[m]))
-                d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
-            else
-                d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i];
-        }
-}
-
-static void mux_chr_event(void *opaque, int event)
-{
-    CharDriverState *chr = opaque;
-    MuxDriver *d = chr->opaque;
-    int i;
-
-    /* Send the event to all registered listeners */
-    for (i = 0; i < d->mux_cnt; i++)
-        if (d->chr_event[i])
-            d->chr_event[i](d->ext_opaque[i], event);
-}
-
-static void mux_chr_update_read_handler(CharDriverState *chr)
-{
-    MuxDriver *d = chr->opaque;
-
-    if (d->mux_cnt >= MAX_MUX) {
-        fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
-        return;
-    }
-    d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
-    d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
-    d->chr_read[d->mux_cnt] = chr->chr_read;
-    d->chr_event[d->mux_cnt] = chr->chr_event;
-    /* Fix up the real driver with mux routines */
-    if (d->mux_cnt == 0) {
-        qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
-                              mux_chr_event, chr);
-    }
-    chr->focus = d->mux_cnt;
-    d->mux_cnt++;
-}
-
-static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
-{
-    CharDriverState *chr;
-    MuxDriver *d;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    d = qemu_mallocz(sizeof(MuxDriver));
-    if (!d) {
-        free(chr);
-        return NULL;
-    }
-
-    chr->opaque = d;
-    d->drv = drv;
-    chr->focus = -1;
-    chr->chr_write = mux_chr_write;
-    chr->chr_update_read_handler = mux_chr_update_read_handler;
-    chr->chr_accept_input = mux_chr_accept_input;
-    return chr;
-}
-
-
-#ifdef _WIN32
-
-static int send_all(int fd, const uint8_t *buf, int len1)
-{
-    int ret, len;
-
-    len = len1;
-    while (len > 0) {
-        ret = socket_send(fd, buf, len);
-        if (ret < 0) {
-            if (errno != EWOULDBLOCK) {
-                return -1;
-            }
-        } else if (ret == 0) {
-            break;
-        } else {
-            buf += ret;
-            len -= ret;
-        }
-    }
-    return len1 - len;
-}
-
-#else
-
-static int unix_write(int fd, const uint8_t *buf, int len1)
-{
-    int ret, len;
-
-    len = len1;
-    while (len > 0) {
-        ret = write(fd, buf, len);
-        if (ret < 0) {
-            if (errno != EINTR && errno != EAGAIN)
-                return -1;
-        } else if (ret == 0) {
-            break;
-        } else {
-            buf += ret;
-            len -= ret;
-        }
-    }
-    return len1 - len;
-}
-
-static inline int send_all(int fd, const uint8_t *buf, int len1)
-{
-    return unix_write(fd, buf, len1);
-}
-#endif /* !_WIN32 */
-
-#ifndef _WIN32
-
-typedef struct {
-    int fd_in, fd_out;
-    int max_size;
-} FDCharDriver;
-
-#define STDIO_MAX_CLIENTS 1
-static int stdio_nb_clients = 0;
-
-static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    FDCharDriver *s = chr->opaque;
-    return unix_write(s->fd_out, buf, len);
-}
-
-static int fd_chr_read_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    FDCharDriver *s = chr->opaque;
-
-    s->max_size = qemu_chr_can_read(chr);
-    return s->max_size;
-}
-
-static void fd_chr_read(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    FDCharDriver *s = chr->opaque;
-    int size, len;
-    uint8_t buf[1024];
-
-    len = sizeof(buf);
-    if (len > s->max_size)
-        len = s->max_size;
-    if (len == 0)
-        return;
-    size = read(s->fd_in, buf, len);
-    if (size == 0) {
-        /* FD has been closed. Remove it from the active list.  */
-        qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
-        return;
-    }
-    if (size > 0) {
-        qemu_chr_read(chr, buf, size);
-    }
-}
-
-static void fd_chr_update_read_handler(CharDriverState *chr)
-{
-    FDCharDriver *s = chr->opaque;
-
-    if (s->fd_in >= 0) {
-        if (nographic && s->fd_in == 0) {
-        } else {
-            qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
-                                 fd_chr_read, NULL, chr);
-        }
-    }
-}
-
-static void fd_chr_close(struct CharDriverState *chr)
-{
-    FDCharDriver *s = chr->opaque;
-
-    if (s->fd_in >= 0) {
-        if (nographic && s->fd_in == 0) {
-        } else {
-            qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
-        }
-    }
-
-    qemu_free(s);
-}
-
-/* open a character device to a unix fd */
-static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
-{
-    CharDriverState *chr;
-    FDCharDriver *s;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    s = qemu_mallocz(sizeof(FDCharDriver));
-    if (!s) {
-        free(chr);
-        return NULL;
-    }
-    s->fd_in = fd_in;
-    s->fd_out = fd_out;
-    chr->opaque = s;
-    chr->chr_write = fd_chr_write;
-    chr->chr_update_read_handler = fd_chr_update_read_handler;
-    chr->chr_close = fd_chr_close;
-
-    qemu_chr_reset(chr);
-
-    return chr;
-}
-
-static CharDriverState *qemu_chr_open_file_out(const char *file_out)
-{
-    int fd_out;
-
-    TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
-    if (fd_out < 0)
-        return NULL;
-    return qemu_chr_open_fd(-1, fd_out);
-}
-
-static CharDriverState *qemu_chr_open_pipe(const char *filename)
-{
-    int fd_in, fd_out;
-    char filename_in[256], filename_out[256];
-
-    snprintf(filename_in, 256, "%s.in", filename);
-    snprintf(filename_out, 256, "%s.out", filename);
-    TFR(fd_in = open(filename_in, O_RDWR | O_BINARY));
-    TFR(fd_out = open(filename_out, O_RDWR | O_BINARY));
-    if (fd_in < 0 || fd_out < 0) {
-	if (fd_in >= 0)
-	    close(fd_in);
-	if (fd_out >= 0)
-	    close(fd_out);
-        TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY));
-        if (fd_in < 0)
-            return NULL;
-    }
-    return qemu_chr_open_fd(fd_in, fd_out);
-}
-
-CharDriverState *qemu_chr_open_fdpair(const char *fd_pair)
-{
-    int fd_in, fd_out;
-    char *endptr;
-
-    /* fd_pair should contain two decimal fd values, separated by
-     * a colon. */
-    endptr = NULL;
-    fd_in = strtol(fd_pair, &endptr, 10);
-    if (endptr == NULL || endptr == fd_pair || *endptr != ':')
-        return NULL;
-    endptr++;   // skip colon
-    fd_pair = endptr;
-    endptr = NULL;
-    fd_out = strtol(fd_pair, &endptr, 10);
-    if (endptr == NULL || endptr == fd_pair || *endptr != '\0')
-        return NULL;
-
-    return qemu_chr_open_fd(fd_in, fd_out);
-}
-
-
-/* for STDIO, we handle the case where several clients use it
-   (nographic mode) */
-
-#define TERM_FIFO_MAX_SIZE 1
-
-static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
-static int term_fifo_size;
-
-static int stdio_read_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-
-    /* try to flush the queue if needed */
-    if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
-        qemu_chr_read(chr, term_fifo, 1);
-        term_fifo_size = 0;
-    }
-    /* see if we can absorb more chars */
-    if (term_fifo_size == 0)
-        return 1;
-    else
-        return 0;
-}
-
-static void stdio_read(void *opaque)
-{
-    int size;
-    uint8_t buf[1];
-    CharDriverState *chr = opaque;
-
-    size = read(0, buf, 1);
-    if (size == 0) {
-        /* stdin has been closed. Remove it from the active list.  */
-        qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
-        return;
-    }
-    if (size > 0) {
-        if (qemu_chr_can_read(chr) > 0) {
-            qemu_chr_read(chr, buf, 1);
-        } else if (term_fifo_size == 0) {
-            term_fifo[term_fifo_size++] = buf[0];
-        }
-    }
-}
-
-/* init terminal so that we can grab keys */
-static struct termios oldtty;
-static int old_fd0_flags;
-static int term_atexit_done;
-
-static void term_exit(void)
-{
-    tcsetattr (0, TCSANOW, &oldtty);
-    fcntl(0, F_SETFL, old_fd0_flags);
-}
-
-static void term_init(void)
-{
-    struct termios tty;
-
-    tcgetattr (0, &tty);
-    oldtty = tty;
-    old_fd0_flags = fcntl(0, F_GETFL);
-
-    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
-                          |INLCR|IGNCR|ICRNL|IXON);
-    tty.c_oflag |= OPOST;
-    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
-    /* if graphical mode, we allow Ctrl-C handling */
-    if (nographic)
-        tty.c_lflag &= ~ISIG;
-    tty.c_cflag &= ~(CSIZE|PARENB);
-    tty.c_cflag |= CS8;
-    tty.c_cc[VMIN] = 1;
-    tty.c_cc[VTIME] = 0;
-
-    tcsetattr (0, TCSANOW, &tty);
-
-    if (!term_atexit_done++)
-        atexit(term_exit);
-
-    fcntl(0, F_SETFL, O_NONBLOCK);
-}
-
-static void qemu_chr_close_stdio(struct CharDriverState *chr)
-{
-    term_exit();
-    stdio_nb_clients--;
-    qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
-    fd_chr_close(chr);
-}
-
-static CharDriverState *qemu_chr_open_stdio(void)
-{
-    CharDriverState *chr;
-
-    if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
-        return NULL;
-    chr = qemu_chr_open_fd(0, 1);
-    chr->chr_close = qemu_chr_close_stdio;
-    qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
-    stdio_nb_clients++;
-    term_init();
-
-    return chr;
-}
-
-#ifdef __sun__
-/* Once Solaris has openpty(), this is going to be removed. */
-int openpty(int *amaster, int *aslave, char *name,
-            struct termios *termp, struct winsize *winp)
-{
-        const char *slave;
-        int mfd = -1, sfd = -1;
-
-        *amaster = *aslave = -1;
-
-        mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
-        if (mfd < 0)
-                goto err;
-
-        if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
-                goto err;
-
-        if ((slave = ptsname(mfd)) == NULL)
-                goto err;
-
-        if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
-                goto err;
-
-        if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
-            (termp != NULL && tcgetattr(sfd, termp) < 0))
-                goto err;
-
-        if (amaster)
-                *amaster = mfd;
-        if (aslave)
-                *aslave = sfd;
-        if (winp)
-                ioctl(sfd, TIOCSWINSZ, winp);
-
-        return 0;
-
-err:
-        if (sfd != -1)
-                close(sfd);
-        close(mfd);
-        return -1;
-}
-
-void cfmakeraw (struct termios *termios_p)
-{
-        termios_p->c_iflag &=
-                ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
-        termios_p->c_oflag &= ~OPOST;
-        termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
-        termios_p->c_cflag &= ~(CSIZE|PARENB);
-        termios_p->c_cflag |= CS8;
-
-        termios_p->c_cc[VMIN] = 0;
-        termios_p->c_cc[VTIME] = 0;
-}
-#endif  /* __sun__ */
-
-#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
-    || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
-
-typedef struct {
-    int fd;
-    int connected;
-    int polling;
-    int read_bytes;
-    QEMUTimer *timer;
-} PtyCharDriver;
-
-static void pty_chr_update_read_handler(CharDriverState *chr);
-static void pty_chr_state(CharDriverState *chr, int connected);
-
-static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    PtyCharDriver *s = chr->opaque;
-
-    if (!s->connected) {
-        /* guest sends data, check for (re-)connect */
-        pty_chr_update_read_handler(chr);
-        return 0;
-    }
-    return unix_write(s->fd, buf, len);
-}
-
-static int pty_chr_read_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    PtyCharDriver *s = chr->opaque;
-
-    s->read_bytes = qemu_chr_can_read(chr);
-    return s->read_bytes;
-}
-
-static void pty_chr_read(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    PtyCharDriver *s = chr->opaque;
-    int size, len;
-    uint8_t buf[1024];
-
-    len = sizeof(buf);
-    if (len > s->read_bytes)
-        len = s->read_bytes;
-    if (len == 0)
-        return;
-    size = read(s->fd, buf, len);
-    if ((size == -1 && errno == EIO) ||
-        (size == 0)) {
-        pty_chr_state(chr, 0);
-        return;
-    }
-    if (size > 0) {
-        pty_chr_state(chr, 1);
-        qemu_chr_read(chr, buf, size);
-    }
-}
-
-static void pty_chr_update_read_handler(CharDriverState *chr)
-{
-    PtyCharDriver *s = chr->opaque;
-
-    qemu_set_fd_handler2(s->fd, pty_chr_read_poll,
-                         pty_chr_read, NULL, chr);
-    s->polling = 1;
-    /*
-     * Short timeout here: just need wait long enougth that qemu makes
-     * it through the poll loop once.  When reconnected we want a
-     * short timeout so we notice it almost instantly.  Otherwise
-     * read() gives us -EIO instantly, making pty_chr_state() reset the
-     * timeout to the normal (much longer) poll interval before the
-     * timer triggers.
-     */
-    qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10);
-}
-
-static void pty_chr_state(CharDriverState *chr, int connected)
-{
-    PtyCharDriver *s = chr->opaque;
-
-    if (!connected) {
-        qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
-        s->connected = 0;
-        s->polling = 0;
-        /* (re-)connect poll interval for idle guests: once per second.
-         * We check more frequently in case the guests sends data to
-         * the virtual device linked to our pty. */
-        qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000);
-    } else {
-        if (!s->connected)
-            qemu_chr_reset(chr);
-        s->connected = 1;
-    }
-}
-
-static void pty_chr_timer(void *opaque)
-{
-    struct CharDriverState *chr = opaque;
-    PtyCharDriver *s = chr->opaque;
-
-    if (s->connected)
-        return;
-    if (s->polling) {
-        /* If we arrive here without polling being cleared due
-         * read returning -EIO, then we are (re-)connected */
-        pty_chr_state(chr, 1);
-        return;
-    }
-
-    /* Next poll ... */
-    pty_chr_update_read_handler(chr);
-}
-
-static void pty_chr_close(struct CharDriverState *chr)
-{
-    PtyCharDriver *s = chr->opaque;
-
-    qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
-    close(s->fd);
-    qemu_free(s);
-}
-
-static CharDriverState *qemu_chr_open_pty(void)
-{
-    CharDriverState *chr;
-    PtyCharDriver *s;
-    struct termios tty;
-    int slave_fd;
-#if defined(__OpenBSD__)
-    char pty_name[PATH_MAX];
-#define q_ptsname(x) pty_name
-#else
-    char *pty_name = NULL;
-#define q_ptsname(x) ptsname(x)
-#endif
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    s = qemu_mallocz(sizeof(PtyCharDriver));
-    if (!s) {
-        qemu_free(chr);
-        return NULL;
-    }
-
-    if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) {
-        return NULL;
-    }
-
-    /* Set raw attributes on the pty. */
-    cfmakeraw(&tty);
-    tcsetattr(slave_fd, TCSAFLUSH, &tty);
-    close(slave_fd);
-
-    fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
-
-    chr->opaque = s;
-    chr->chr_write = pty_chr_write;
-    chr->chr_update_read_handler = pty_chr_update_read_handler;
-    chr->chr_close = pty_chr_close;
-
-    s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr);
-
-    return chr;
-}
-#endif /* __linux__ || __sun__ || __xxxBSD__ */
-
-static void tty_serial_init(int fd, int speed,
-                            int parity, int data_bits, int stop_bits)
-{
-    struct termios tty;
-    speed_t spd;
-
-#if 0
-    printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
-           speed, parity, data_bits, stop_bits);
-#endif
-    tcgetattr (fd, &tty);
-
-#define MARGIN 1.1
-    if (speed <= 50 * MARGIN)
-        spd = B50;
-    else if (speed <= 75 * MARGIN)
-        spd = B75;
-    else if (speed <= 300 * MARGIN)
-        spd = B300;
-    else if (speed <= 600 * MARGIN)
-        spd = B600;
-    else if (speed <= 1200 * MARGIN)
-        spd = B1200;
-    else if (speed <= 2400 * MARGIN)
-        spd = B2400;
-    else if (speed <= 4800 * MARGIN)
-        spd = B4800;
-    else if (speed <= 9600 * MARGIN)
-        spd = B9600;
-    else if (speed <= 19200 * MARGIN)
-        spd = B19200;
-    else if (speed <= 38400 * MARGIN)
-        spd = B38400;
-    else if (speed <= 57600 * MARGIN)
-        spd = B57600;
-    else if (speed <= 115200 * MARGIN)
-        spd = B115200;
-    else
-        spd = B115200;
-
-    cfsetispeed(&tty, spd);
-    cfsetospeed(&tty, spd);
-
-    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
-                          |INLCR|IGNCR|ICRNL|IXON);
-    tty.c_oflag |= OPOST;
-    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
-    tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
-    switch(data_bits) {
-    default:
-    case 8:
-        tty.c_cflag |= CS8;
-        break;
-    case 7:
-        tty.c_cflag |= CS7;
-        break;
-    case 6:
-        tty.c_cflag |= CS6;
-        break;
-    case 5:
-        tty.c_cflag |= CS5;
-        break;
-    }
-    switch(parity) {
-    default:
-    case 'N':
-        break;
-    case 'E':
-        tty.c_cflag |= PARENB;
-        break;
-    case 'O':
-        tty.c_cflag |= PARENB | PARODD;
-        break;
-    }
-    if (stop_bits == 2)
-        tty.c_cflag |= CSTOPB;
-
-    tcsetattr (fd, TCSANOW, &tty);
-}
-
-static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
-{
-    FDCharDriver *s = chr->opaque;
-
-    switch(cmd) {
-    case CHR_IOCTL_SERIAL_SET_PARAMS:
-        {
-            QEMUSerialSetParams *ssp = arg;
-            tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
-                            ssp->data_bits, ssp->stop_bits);
-        }
-        break;
-    case CHR_IOCTL_SERIAL_SET_BREAK:
-        {
-            int enable = *(int *)arg;
-            if (enable)
-                tcsendbreak(s->fd_in, 1);
-        }
-        break;
-    case CHR_IOCTL_SERIAL_GET_TIOCM:
-        {
-            int sarg = 0;
-            int *targ = (int *)arg;
-            ioctl(s->fd_in, TIOCMGET, &sarg);
-            *targ = 0;
-            if (sarg | TIOCM_CTS)
-                *targ |= CHR_TIOCM_CTS;
-            if (sarg | TIOCM_CAR)
-                *targ |= CHR_TIOCM_CAR;
-            if (sarg | TIOCM_DSR)
-                *targ |= CHR_TIOCM_DSR;
-            if (sarg | TIOCM_RI)
-                *targ |= CHR_TIOCM_RI;
-            if (sarg | TIOCM_DTR)
-                *targ |= CHR_TIOCM_DTR;
-            if (sarg | TIOCM_RTS)
-                *targ |= CHR_TIOCM_RTS;
-        }
-        break;
-    case CHR_IOCTL_SERIAL_SET_TIOCM:
-        {
-            int sarg = *(int *)arg;
-            int targ = 0;
-            if (sarg | CHR_TIOCM_DTR)
-                targ |= TIOCM_DTR;
-            if (sarg | CHR_TIOCM_RTS)
-                targ |= TIOCM_RTS;
-            ioctl(s->fd_in, TIOCMSET, &targ);
-        }
-        break;
-    default:
-        return -ENOTSUP;
-    }
-    return 0;
-}
-
-static CharDriverState *qemu_chr_open_tty(const char *filename)
-{
-    CharDriverState *chr;
-    int fd;
-
-    TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
-    tty_serial_init(fd, 115200, 'N', 8, 1);
-    chr = qemu_chr_open_fd(fd, fd);
-    if (!chr) {
-        close(fd);
-        return NULL;
-    }
-    chr->chr_ioctl = tty_serial_ioctl;
-    qemu_chr_reset(chr);
-    return chr;
-}
-
-#if defined(__linux__)
-typedef struct {
-    int fd;
-    int mode;
-} ParallelCharDriver;
-
-static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
-{
-    if (s->mode != mode) {
-	int m = mode;
-        if (ioctl(s->fd, PPSETMODE, &m) < 0)
-            return 0;
-	s->mode = mode;
-    }
-    return 1;
-}
-
-static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
-{
-    ParallelCharDriver *drv = chr->opaque;
-    int fd = drv->fd;
-    uint8_t b;
-
-    switch(cmd) {
-    case CHR_IOCTL_PP_READ_DATA:
-        if (ioctl(fd, PPRDATA, &b) < 0)
-            return -ENOTSUP;
-        *(uint8_t *)arg = b;
-        break;
-    case CHR_IOCTL_PP_WRITE_DATA:
-        b = *(uint8_t *)arg;
-        if (ioctl(fd, PPWDATA, &b) < 0)
-            return -ENOTSUP;
-        break;
-    case CHR_IOCTL_PP_READ_CONTROL:
-        if (ioctl(fd, PPRCONTROL, &b) < 0)
-            return -ENOTSUP;
-	/* Linux gives only the lowest bits, and no way to know data
-	   direction! For better compatibility set the fixed upper
-	   bits. */
-        *(uint8_t *)arg = b | 0xc0;
-        break;
-    case CHR_IOCTL_PP_WRITE_CONTROL:
-        b = *(uint8_t *)arg;
-        if (ioctl(fd, PPWCONTROL, &b) < 0)
-            return -ENOTSUP;
-        break;
-    case CHR_IOCTL_PP_READ_STATUS:
-        if (ioctl(fd, PPRSTATUS, &b) < 0)
-            return -ENOTSUP;
-        *(uint8_t *)arg = b;
-        break;
-    case CHR_IOCTL_PP_DATA_DIR:
-        if (ioctl(fd, PPDATADIR, (int *)arg) < 0)
-            return -ENOTSUP;
-        break;
-    case CHR_IOCTL_PP_EPP_READ_ADDR:
-	if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
-	    struct ParallelIOArg *parg = arg;
-	    int n = read(fd, parg->buffer, parg->count);
-	    if (n != parg->count) {
-		return -EIO;
-	    }
-	}
-        break;
-    case CHR_IOCTL_PP_EPP_READ:
-	if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
-	    struct ParallelIOArg *parg = arg;
-	    int n = read(fd, parg->buffer, parg->count);
-	    if (n != parg->count) {
-		return -EIO;
-	    }
-	}
-        break;
-    case CHR_IOCTL_PP_EPP_WRITE_ADDR:
-	if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
-	    struct ParallelIOArg *parg = arg;
-	    int n = write(fd, parg->buffer, parg->count);
-	    if (n != parg->count) {
-		return -EIO;
-	    }
-	}
-        break;
-    case CHR_IOCTL_PP_EPP_WRITE:
-	if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
-	    struct ParallelIOArg *parg = arg;
-	    int n = write(fd, parg->buffer, parg->count);
-	    if (n != parg->count) {
-		return -EIO;
-	    }
-	}
-        break;
-    default:
-        return -ENOTSUP;
-    }
-    return 0;
-}
-
-static void pp_close(CharDriverState *chr)
-{
-    ParallelCharDriver *drv = chr->opaque;
-    int fd = drv->fd;
-
-    pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
-    ioctl(fd, PPRELEASE);
-    close(fd);
-    qemu_free(drv);
-}
-
-static CharDriverState *qemu_chr_open_pp(const char *filename)
-{
-    CharDriverState *chr;
-    ParallelCharDriver *drv;
-    int fd;
-
-    TFR(fd = open(filename, O_RDWR));
-    if (fd < 0)
-        return NULL;
-
-    if (ioctl(fd, PPCLAIM) < 0) {
-        close(fd);
-        return NULL;
-    }
-
-    drv = qemu_mallocz(sizeof(ParallelCharDriver));
-    if (!drv) {
-        close(fd);
-        return NULL;
-    }
-    drv->fd = fd;
-    drv->mode = IEEE1284_MODE_COMPAT;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr) {
-	qemu_free(drv);
-        close(fd);
-        return NULL;
-    }
-    chr->chr_write = null_chr_write;
-    chr->chr_ioctl = pp_ioctl;
-    chr->chr_close = pp_close;
-    chr->opaque = drv;
-
-    qemu_chr_reset(chr);
-
-    return chr;
-}
-#endif /* __linux__ */
-
-#else /* _WIN32 */
-
-typedef struct {
-    int max_size;
-    HANDLE hcom, hrecv, hsend;
-    OVERLAPPED orecv, osend;
-    BOOL fpipe;
-    DWORD len;
-} WinCharState;
-
-#define NSENDBUF 2048
-#define NRECVBUF 2048
-#define MAXCONNECT 1
-#define NTIMEOUT 5000
-
-static int win_chr_poll(void *opaque);
-static int win_chr_pipe_poll(void *opaque);
-
-static void win_chr_close(CharDriverState *chr)
-{
-    WinCharState *s = chr->opaque;
-
-    if (s->hsend) {
-        CloseHandle(s->hsend);
-        s->hsend = NULL;
-    }
-    if (s->hrecv) {
-        CloseHandle(s->hrecv);
-        s->hrecv = NULL;
-    }
-    if (s->hcom) {
-        CloseHandle(s->hcom);
-        s->hcom = NULL;
-    }
-    if (s->fpipe)
-        qemu_del_polling_cb(win_chr_pipe_poll, chr);
-    else
-        qemu_del_polling_cb(win_chr_poll, chr);
-}
-
-static int win_chr_init(CharDriverState *chr, const char *filename)
-{
-    WinCharState *s = chr->opaque;
-    COMMCONFIG comcfg;
-    COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
-    COMSTAT comstat;
-    DWORD size;
-    DWORD err;
-
-    s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
-    if (!s->hsend) {
-        fprintf(stderr, "Failed CreateEvent\n");
-        goto fail;
-    }
-    s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
-    if (!s->hrecv) {
-        fprintf(stderr, "Failed CreateEvent\n");
-        goto fail;
-    }
-
-    s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
-                      OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
-    if (s->hcom == INVALID_HANDLE_VALUE) {
-        fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
-        s->hcom = NULL;
-        goto fail;
-    }
-
-    if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
-        fprintf(stderr, "Failed SetupComm\n");
-        goto fail;
-    }
-
-    ZeroMemory(&comcfg, sizeof(COMMCONFIG));
-    size = sizeof(COMMCONFIG);
-    GetDefaultCommConfig(filename, &comcfg, &size);
-    comcfg.dcb.DCBlength = sizeof(DCB);
-    CommConfigDialog(filename, NULL, &comcfg);
-
-    if (!SetCommState(s->hcom, &comcfg.dcb)) {
-        fprintf(stderr, "Failed SetCommState\n");
-        goto fail;
-    }
-
-    if (!SetCommMask(s->hcom, EV_ERR)) {
-        fprintf(stderr, "Failed SetCommMask\n");
-        goto fail;
-    }
-
-    cto.ReadIntervalTimeout = MAXDWORD;
-    if (!SetCommTimeouts(s->hcom, &cto)) {
-        fprintf(stderr, "Failed SetCommTimeouts\n");
-        goto fail;
-    }
-
-    if (!ClearCommError(s->hcom, &err, &comstat)) {
-        fprintf(stderr, "Failed ClearCommError\n");
-        goto fail;
-    }
-    qemu_add_polling_cb(win_chr_poll, chr);
-    return 0;
-
- fail:
-    win_chr_close(chr);
-    return -1;
-}
-
-static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
-{
-    WinCharState *s = chr->opaque;
-    DWORD len, ret, size, err;
-
-    len = len1;
-    ZeroMemory(&s->osend, sizeof(s->osend));
-    s->osend.hEvent = s->hsend;
-    while (len > 0) {
-        if (s->hsend)
-            ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
-        else
-            ret = WriteFile(s->hcom, buf, len, &size, NULL);
-        if (!ret) {
-            err = GetLastError();
-            if (err == ERROR_IO_PENDING) {
-                ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
-                if (ret) {
-                    buf += size;
-                    len -= size;
-                } else {
-                    break;
-                }
-            } else {
-                break;
-            }
-        } else {
-            buf += size;
-            len -= size;
-        }
-    }
-    return len1 - len;
-}
-
-static int win_chr_read_poll(CharDriverState *chr)
-{
-    WinCharState *s = chr->opaque;
-
-    s->max_size = qemu_chr_can_read(chr);
-    return s->max_size;
-}
-
-static void win_chr_readfile(CharDriverState *chr)
-{
-    WinCharState *s = chr->opaque;
-    int ret, err;
-    uint8_t buf[1024];
-    DWORD size;
-
-    ZeroMemory(&s->orecv, sizeof(s->orecv));
-    s->orecv.hEvent = s->hrecv;
-    ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
-    if (!ret) {
-        err = GetLastError();
-        if (err == ERROR_IO_PENDING) {
-            ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
-        }
-    }
-
-    if (size > 0) {
-        qemu_chr_read(chr, buf, size);
-    }
-}
-
-static void win_chr_read(CharDriverState *chr)
-{
-    WinCharState *s = chr->opaque;
-
-    if (s->len > s->max_size)
-        s->len = s->max_size;
-    if (s->len == 0)
-        return;
-
-    win_chr_readfile(chr);
-}
-
-static int win_chr_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    WinCharState *s = chr->opaque;
-    COMSTAT status;
-    DWORD comerr;
-
-    ClearCommError(s->hcom, &comerr, &status);
-    if (status.cbInQue > 0) {
-        s->len = status.cbInQue;
-        win_chr_read_poll(chr);
-        win_chr_read(chr);
-        return 1;
-    }
-    return 0;
-}
-
-static CharDriverState *qemu_chr_open_win(const char *filename)
-{
-    CharDriverState *chr;
-    WinCharState *s;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    s = qemu_mallocz(sizeof(WinCharState));
-    if (!s) {
-        free(chr);
-        return NULL;
-    }
-    chr->opaque = s;
-    chr->chr_write = win_chr_write;
-    chr->chr_close = win_chr_close;
-
-    if (win_chr_init(chr, filename) < 0) {
-        free(s);
-        free(chr);
-        return NULL;
-    }
-    qemu_chr_reset(chr);
-    return chr;
-}
-
-static int win_chr_pipe_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    WinCharState *s = chr->opaque;
-    DWORD size;
-
-    PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
-    if (size > 0) {
-        s->len = size;
-        win_chr_read_poll(chr);
-        win_chr_read(chr);
-        return 1;
-    }
-    return 0;
-}
-
-static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
-{
-    WinCharState *s = chr->opaque;
-    OVERLAPPED ov;
-    int ret;
-    DWORD size;
-    char openname[256];
-
-    s->fpipe = TRUE;
-
-    s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
-    if (!s->hsend) {
-        fprintf(stderr, "Failed CreateEvent\n");
-        goto fail;
-    }
-    s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
-    if (!s->hrecv) {
-        fprintf(stderr, "Failed CreateEvent\n");
-        goto fail;
-    }
-
-    snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
-    s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
-                              PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
-                              PIPE_WAIT,
-                              MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
-    if (s->hcom == INVALID_HANDLE_VALUE) {
-        fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
-        s->hcom = NULL;
-        goto fail;
-    }
-
-    ZeroMemory(&ov, sizeof(ov));
-    ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
-    ret = ConnectNamedPipe(s->hcom, &ov);
-    if (ret) {
-        fprintf(stderr, "Failed ConnectNamedPipe\n");
-        goto fail;
-    }
-
-    ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
-    if (!ret) {
-        fprintf(stderr, "Failed GetOverlappedResult\n");
-        if (ov.hEvent) {
-            CloseHandle(ov.hEvent);
-            ov.hEvent = NULL;
-        }
-        goto fail;
-    }
-
-    if (ov.hEvent) {
-        CloseHandle(ov.hEvent);
-        ov.hEvent = NULL;
-    }
-    qemu_add_polling_cb(win_chr_pipe_poll, chr);
-    return 0;
-
- fail:
-    win_chr_close(chr);
-    return -1;
-}
-
-
-static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
-{
-    CharDriverState *chr;
-    WinCharState *s;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    s = qemu_mallocz(sizeof(WinCharState));
-    if (!s) {
-        free(chr);
-        return NULL;
-    }
-    chr->opaque = s;
-    chr->chr_write = win_chr_write;
-    chr->chr_close = win_chr_close;
-
-    if (win_chr_pipe_init(chr, filename) < 0) {
-        free(s);
-        free(chr);
-        return NULL;
-    }
-    qemu_chr_reset(chr);
-    return chr;
-}
-
-static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
-{
-    CharDriverState *chr;
-    WinCharState *s;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        return NULL;
-    s = qemu_mallocz(sizeof(WinCharState));
-    if (!s) {
-        free(chr);
-        return NULL;
-    }
-    s->hcom = fd_out;
-    chr->opaque = s;
-    chr->chr_write = win_chr_write;
-    qemu_chr_reset(chr);
-    return chr;
-}
-
-static CharDriverState *qemu_chr_open_win_con(const char *filename)
-{
-    return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
-}
-
-static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
-{
-    HANDLE fd_out;
-
-    fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
-                        OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (fd_out == INVALID_HANDLE_VALUE)
-        return NULL;
-
-    return qemu_chr_open_win_file(fd_out);
-}
-#endif /* !_WIN32 */
-
-/***********************************************************/
-/* UDP Net console */
-
-typedef struct {
-    int fd;
-    SockAddress daddr;
-    uint8_t buf[1024];
-    int bufcnt;
-    int bufptr;
-    int max_size;
-} NetCharDriver;
-
-static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    NetCharDriver *s = chr->opaque;
-
-    return socket_sendto(s->fd, buf, len, &s->daddr);
-}
-
-static int udp_chr_read_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    NetCharDriver *s = chr->opaque;
-
-    s->max_size = qemu_chr_can_read(chr);
-
-    /* If there were any stray characters in the queue process them
-     * first
-     */
-    while (s->max_size > 0 && s->bufptr < s->bufcnt) {
-        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
-        s->bufptr++;
-        s->max_size = qemu_chr_can_read(chr);
-    }
-    return s->max_size;
-}
-
-static void udp_chr_read(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    NetCharDriver *s = chr->opaque;
-
-    if (s->max_size == 0)
-        return;
-    s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
-    s->bufptr = s->bufcnt;
-    if (s->bufcnt <= 0)
-        return;
-
-    s->bufptr = 0;
-    while (s->max_size > 0 && s->bufptr < s->bufcnt) {
-        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
-        s->bufptr++;
-        s->max_size = qemu_chr_can_read(chr);
-    }
-}
-
-static void udp_chr_update_read_handler(CharDriverState *chr)
-{
-    NetCharDriver *s = chr->opaque;
-
-    if (s->fd >= 0) {
-        qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
-                             udp_chr_read, NULL, chr);
-    }
-}
-
-int parse_host_port(SockAddress *saddr, const char *str);
-int parse_host_src_port(SockAddress *haddr,
-                        SockAddress *saddr,
-                        const char *str);
-#ifndef _WIN32
-static int parse_unix_path(SockAddress  *uaddr, const char*  str);
-#endif
-
-static CharDriverState *qemu_chr_open_udp(const char *def)
-{
-    CharDriverState *chr = NULL;
-    NetCharDriver *s = NULL;
-    int fd = -1;
-    SockAddress saddr;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        goto return_err;
-    s = qemu_mallocz(sizeof(NetCharDriver));
-    if (!s)
-        goto return_err;
-
-    fd = socket(PF_INET, SOCK_DGRAM, 0);
-    if (fd < 0) {
-        perror("socket(PF_INET, SOCK_DGRAM)");
-        goto return_err;
-    }
-
-    if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
-        printf("Could not parse: %s\n", def);
-        goto return_err;
-    }
-
-    if (socket_bind(fd, &saddr) < 0)
-    {
-        perror("bind");
-        goto return_err;
-    }
-
-    s->fd = fd;
-    s->bufcnt = 0;
-    s->bufptr = 0;
-    chr->opaque = s;
-    chr->chr_write = udp_chr_write;
-    chr->chr_update_read_handler = udp_chr_update_read_handler;
-    return chr;
-
-return_err:
-    if (chr)
-        free(chr);
-    if (s)
-        free(s);
-    if (fd >= 0)
-        closesocket(fd);
-    return NULL;
-}
-
-/***********************************************************/
-/* TCP Net console */
-
-typedef struct {
-    int fd, listen_fd;
-    int connected;
-    int max_size;
-    int do_telnetopt;
-    int do_nodelay;
-    int is_unix;
-} TCPCharDriver;
-
-static void tcp_chr_accept(void *opaque);
-
-static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    TCPCharDriver *s = chr->opaque;
-    if (s->connected) {
-        return send_all(s->fd, buf, len);
-    } else {
-        /* XXX: indicate an error ? */
-        return len;
-    }
-}
-
-static int tcp_chr_read_poll(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    TCPCharDriver *s = chr->opaque;
-    if (!s->connected)
-        return 0;
-    s->max_size = qemu_chr_can_read(chr);
-    return s->max_size;
-}
-
-#define IAC 255
-#define IAC_BREAK 243
-static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
-                                      TCPCharDriver *s,
-                                      uint8_t *buf, int *size)
-{
-    /* Handle any telnet client's basic IAC options to satisfy char by
-     * char mode with no echo.  All IAC options will be removed from
-     * the buf and the do_telnetopt variable will be used to track the
-     * state of the width of the IAC information.
-     *
-     * IAC commands come in sets of 3 bytes with the exception of the
-     * "IAC BREAK" command and the double IAC.
-     */
-
-    int i;
-    int j = 0;
-
-    for (i = 0; i < *size; i++) {
-        if (s->do_telnetopt > 1) {
-            if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
-                /* Double IAC means send an IAC */
-                if (j != i)
-                    buf[j] = buf[i];
-                j++;
-                s->do_telnetopt = 1;
-            } else {
-                if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
-                    /* Handle IAC break commands by sending a serial break */
-                    qemu_chr_event(chr, CHR_EVENT_BREAK);
-                    s->do_telnetopt++;
-                }
-                s->do_telnetopt++;
-            }
-            if (s->do_telnetopt >= 4) {
-                s->do_telnetopt = 1;
-            }
-        } else {
-            if ((unsigned char)buf[i] == IAC) {
-                s->do_telnetopt = 2;
-            } else {
-                if (j != i)
-                    buf[j] = buf[i];
-                j++;
-            }
-        }
-    }
-    *size = j;
-}
-
-static void tcp_chr_read(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    TCPCharDriver *s = chr->opaque;
-    uint8_t buf[1024];
-    int len, size;
-
-    if (!s->connected || s->max_size <= 0)
-        return;
-    len = sizeof(buf);
-    if (len > s->max_size)
-        len = s->max_size;
-    size = socket_recv(s->fd, buf, len);
-    if (size == 0) {
-        /* connection closed */
-        s->connected = 0;
-        if (s->listen_fd >= 0) {
-            qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
-        }
-        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
-        socket_close(s->fd);
-        s->fd = -1;
-    } else if (size > 0) {
-        if (s->do_telnetopt)
-            tcp_chr_process_IAC_bytes(chr, s, buf, &size);
-        if (size > 0)
-            qemu_chr_read(chr, buf, size);
-    }
-}
-
-static void tcp_chr_connect(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    TCPCharDriver *s = chr->opaque;
-
-    s->connected = 1;
-    qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
-                         tcp_chr_read, NULL, chr);
-    qemu_chr_reset(chr);
-}
-
-#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
-static void tcp_chr_telnet_init(int fd)
-{
-    char buf[3];
-    /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
-    IACSET(buf, 0xff, 0xfb, 0x01);  /* IAC WILL ECHO */
-    socket_send(fd, (char *)buf, 3);
-    IACSET(buf, 0xff, 0xfb, 0x03);  /* IAC WILL Suppress go ahead */
-    socket_send(fd, (char *)buf, 3);
-    IACSET(buf, 0xff, 0xfb, 0x00);  /* IAC WILL Binary */
-    socket_send(fd, (char *)buf, 3);
-    IACSET(buf, 0xff, 0xfd, 0x00);  /* IAC DO Binary */
-    socket_send(fd, (char *)buf, 3);
-}
-
-static void tcp_chr_accept(void *opaque)
-{
-    CharDriverState *chr = opaque;
-    TCPCharDriver *s = chr->opaque;
-    int fd;
-
-    for(;;) {
-        fd = socket_accept(s->listen_fd, NULL);
-        if (fd < 0) {
-            return;
-        } else if (fd >= 0) {
-            if (s->do_telnetopt)
-                tcp_chr_telnet_init(fd);
-            break;
-        }
-    }
-    socket_set_nonblock(fd);
-    if (s->do_nodelay)
-        socket_set_nodelay(fd);
-    s->fd = fd;
-    qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
-    tcp_chr_connect(chr);
-}
-
-static void tcp_chr_close(CharDriverState *chr)
-{
-    TCPCharDriver *s = chr->opaque;
-    if (s->fd >= 0)
-        closesocket(s->fd);
-    if (s->listen_fd >= 0)
-        closesocket(s->listen_fd);
-    qemu_free(s);
-}
-
-static CharDriverState *qemu_chr_open_tcp(const char *host_str,
-                                          int is_telnet,
-					  int is_unix)
-{
-    CharDriverState *chr = NULL;
-    TCPCharDriver *s = NULL;
-    int fd = -1, ret, err;
-    int is_listen = 0;
-    int is_waitconnect = 1;
-    int do_nodelay = 0;
-    const char *ptr;
-    SockAddress saddr;
-
-#ifndef _WIN32
-    if (is_unix) {
-	if (parse_unix_path(&saddr, host_str) < 0)
-	    goto fail;
-    } else
-#endif
-    {
-	if (parse_host_port(&saddr, host_str) < 0)
-	    goto fail;
-    }
-
-    ptr = host_str;
-    while((ptr = strchr(ptr,','))) {
-        ptr++;
-        if (!strncmp(ptr,"server",6)) {
-            is_listen = 1;
-        } else if (!strncmp(ptr,"nowait",6)) {
-            is_waitconnect = 0;
-        } else if (!strncmp(ptr,"nodelay",6)) {
-            do_nodelay = 1;
-        } else {
-            printf("Unknown option: %s\n", ptr);
-            goto fail;
-        }
-    }
-    if (!is_listen)
-        is_waitconnect = 0;
-
-    chr = qemu_mallocz(sizeof(CharDriverState));
-    if (!chr)
-        goto fail;
-    s = qemu_mallocz(sizeof(TCPCharDriver));
-    if (!s)
-        goto fail;
-
-#ifndef _WIN32
-    if (is_unix)
-        fd = socket_create( SOCKET_UNIX, SOCKET_STREAM );
-    else
-#endif
-        fd = socket_create_inet( SOCKET_STREAM );
-
-    if (fd < 0)
-        goto fail;
-
-    if (!is_waitconnect)
-        socket_set_nonblock(fd);
-
-    s->connected = 0;
-    s->fd = -1;
-    s->listen_fd = -1;
-    s->is_unix = is_unix;
-    s->do_nodelay = do_nodelay && !is_unix;
-
-    chr->opaque = s;
-    chr->chr_write = tcp_chr_write;
-    chr->chr_close = tcp_chr_close;
-
-    if (is_listen) {
-        /* allow fast reuse */
-#ifndef _WIN32
-    if (is_unix) {
-        unlink( sock_address_get_path(&saddr) );
-    } else
-#endif
-        socket_set_xreuseaddr(fd);
-
-        if (socket_bind(fd, &saddr) < 0 ||
-            socket_listen(fd, 0) < 0)
-            goto fail;
-
-        s->listen_fd = fd;
-        qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
-        if (is_telnet)
-            s->do_telnetopt = 1;
-    } else {
-        for(;;) {
-            ret = socket_connect(fd, &saddr);
-            if (ret < 0) {
-                err = errno;
-                if (err == EINTR || err == EWOULDBLOCK) {
-                } else if (err == EINPROGRESS) {
-                    break;
-#ifdef _WIN32
-                } else if (err == EALREADY) {
-                    break;
-#endif
-                } else {
-                    goto fail;
-                }
-            } else {
-                s->connected = 1;
-                break;
-            }
-        }
-        s->fd = fd;
-        socket_set_nodelay(fd);
-        if (s->connected)
-            tcp_chr_connect(chr);
-        else
-            qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
-    }
-
-    if (is_listen && is_waitconnect) {
-        printf("QEMU waiting for connection on: %s\n", host_str);
-        tcp_chr_accept(chr);
-        socket_set_nonblock(s->listen_fd);
-    }
-
-    return chr;
- fail:
-    if (fd >= 0)
-        socket_close(fd);
-    qemu_free(s);
-    qemu_free(chr);
-    return NULL;
-}
-
-CharDriverState *qemu_chr_open(const char *filename)
-{
-    const char *p;
-
-    if (!strcmp(filename, "vc")) {
-        return text_console_init(&display_state, 0);
-    } else if (strstart(filename, "vc:", &p)) {
-        return text_console_init(&display_state, p);
-    } else if (!strcmp(filename, "null")) {
-        return qemu_chr_open_null();
-    } else
-    if (strstart(filename, "tcp:", &p)) {
-        return qemu_chr_open_tcp(p, 0, 0);
-    } else
-    if (strstart(filename, "telnet:", &p)) {
-        return qemu_chr_open_tcp(p, 1, 0);
-    } else
-    if (strstart(filename, "udp:", &p)) {
-        return qemu_chr_open_udp(p);
-    } else
-    if (strstart(filename, "mon:", &p)) {
-        CharDriverState *drv = qemu_chr_open(p);
-        if (drv) {
-            drv = qemu_chr_open_mux(drv);
-            monitor_init(drv, !nographic);
-            return drv;
-        }
-        printf("Unable to open driver: %s\n", p);
-        return 0;
-    } else
-#ifndef _WIN32
-    if (strstart(filename, "unix:", &p)) {
-	return qemu_chr_open_tcp(p, 0, 1);
-    } else if (strstart(filename, "file:", &p)) {
-        return qemu_chr_open_file_out(p);
-    } else if (strstart(filename, "pipe:", &p)) {
-        return qemu_chr_open_pipe(p);
-    } else if (!strcmp(filename, "pty")) {
-        return qemu_chr_open_pty();
-    } else if (!strcmp(filename, "stdio")) {
-        return qemu_chr_open_stdio();
-    } else if (strstart(filename, "fdpair:", &p)) {
-        return qemu_chr_open_fdpair(p);
-    } else
-#endif
-#if defined(__linux__)
-    if (strstart(filename, "/dev/parport", NULL)) {
-        return qemu_chr_open_pp(filename);
-    } else
-#endif
-#ifndef _WIN32
-    if (strstart(filename, "/dev/", NULL)) {
-        return qemu_chr_open_tty(filename);
-    } else
-#endif
-    if (!strcmp(filename, "android-modem")) {
-        CharDriverState*  cs;
-        qemu_chr_open_charpipe( &cs, &android_modem_cs );
-        return cs;
-    } else if (!strcmp(filename, "android-gps")) {
-        CharDriverState*  cs;
-        qemu_chr_open_charpipe( &cs, &android_gps_cs );
-        return cs;
-    } else if (!strcmp(filename, "android-kmsg")) {
-        return android_kmsg_get_cs();
-    } else if (!strcmp(filename, "android-qemud")) {
-        return android_qemud_get_cs();
-    } else
-#if defined(__linux__)
-    if (strstart(filename, "/dev/parport", NULL)) {
-        return qemu_chr_open_pp(filename);
-    } else
-#endif
-#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
-    || defined(__NetBSD__) || defined(__OpenBSD__)
-    if (strstart(filename, "/dev/", NULL)) {
-        return qemu_chr_open_tty(filename);
-    } else
-#endif
-#ifdef _WIN32
-    if (strstart(filename, "COM", NULL)) {
-        return qemu_chr_open_win(filename);
-    } else
-    if (strstart(filename, "pipe:", &p)) {
-        return qemu_chr_open_win_pipe(p);
-    } else
-    if (strstart(filename, "con:", NULL)) {
-        return qemu_chr_open_win_con(filename);
-    } else
-    if (strstart(filename, "file:", &p)) {
-        return qemu_chr_open_win_file_out(p);
-    } else
-#endif
-#ifdef CONFIG_BRLAPI
-    if (!strcmp(filename, "braille")) {
-        return chr_baum_init();
-    } else
-#endif
-    {
-        return NULL;
-    }
-}
-
-void qemu_chr_close(CharDriverState *chr)
-{
-    if (chr->chr_close)
-        chr->chr_close(chr);
-    qemu_free(chr);
-}
-
-/***********************************************************/
-/* network device redirectors */
-
-__attribute__ (( unused ))
-static void hex_dump(FILE *f, const uint8_t *buf, int size)
-{
-    int len, i, j, c;
-
-    for(i=0;i<size;i+=16) {
-        len = size - i;
-        if (len > 16)
-            len = 16;
-        fprintf(f, "%08x ", i);
-        for(j=0;j<16;j++) {
-            if (j < len)
-                fprintf(f, " %02x", buf[i+j]);
-            else
-                fprintf(f, "   ");
-        }
-        fprintf(f, " ");
-        for(j=0;j<len;j++) {
-            c = buf[i+j];
-            if (c < ' ' || c > '~')
-                c = '.';
-            fprintf(f, "%c", c);
-        }
-        fprintf(f, "\n");
-    }
-}
-
-static int parse_macaddr(uint8_t *macaddr, const char *p)
-{
-    int i;
-    char *last_char;
-    long int offset;
-
-    errno = 0;
-    offset = strtol(p, &last_char, 0);    
-    if (0 == errno && '\0' == *last_char &&
-            offset >= 0 && offset <= 0xFFFFFF) {
-        macaddr[3] = (offset & 0xFF0000) >> 16;
-        macaddr[4] = (offset & 0xFF00) >> 8;
-        macaddr[5] = offset & 0xFF;
-        return 0;
-    } else {
-        for(i = 0; i < 6; i++) {
-            macaddr[i] = strtol(p, (char **)&p, 16);
-            if (i == 5) {
-                if (*p != '\0')
-                    return -1;
-            } else {
-                if (*p != ':' && *p != '-')
-                    return -1;
-                p++;
-            }
-        }
-        return 0;    
-    }
-
-    return -1;
-}
-
-static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
-{
-    const char *p, *p1;
-    int len;
-    p = *pp;
-    p1 = strchr(p, sep);
-    if (!p1)
-        return -1;
-    len = p1 - p;
-    p1++;
-    if (buf_size > 0) {
-        if (len > buf_size - 1)
-            len = buf_size - 1;
-        memcpy(buf, p, len);
-        buf[len] = '\0';
-    }
-    *pp = p1;
-    return 0;
-}
-
-int parse_host_src_port(SockAddress *haddr,
-                        SockAddress *saddr,
-                        const char *input_str)
-{
-    char *str = strdup(input_str);
-    char *host_str = str;
-    char *src_str;
-    const char *src_str2;
-    char *ptr;
-
-    /*
-     * Chop off any extra arguments at the end of the string which
-     * would start with a comma, then fill in the src port information
-     * if it was provided else use the "any address" and "any port".
-     */
-    if ((ptr = strchr(str,',')))
-        *ptr = '\0';
-
-    if ((src_str = strchr(input_str,'@'))) {
-        *src_str = '\0';
-        src_str++;
-    }
-
-    if (parse_host_port(haddr, host_str) < 0)
-        goto fail;
-
-    src_str2 = src_str;
-    if (!src_str || *src_str == '\0')
-        src_str2 = ":0";
-
-    if (parse_host_port(saddr, src_str2) < 0)
-        goto fail;
-
-    free(str);
-    return(0);
-
-fail:
-    free(str);
-    return -1;
-}
-
-int parse_host_port(SockAddress  *saddr, const char *str)
-{
-    char buf[512];
-    const char *p, *r;
-    uint16_t  port;
-
-    p = str;
-    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
-        return -1;
-
-    port = strtol(p, (char **)&r, 0);
-    if (r == p)
-        return -1;
-
-    if (buf[0] == '\0') {
-        sock_address_init_inet( saddr, SOCK_ADDRESS_INET_ANY, port );
-    } else {
-        if (sock_address_init_resolve( saddr, buf, port, 0 ) < 0)
-            return -1;
-    }
-    return 0;
-}
-
-#ifndef _WIN32
-static int
-parse_unix_path(SockAddress*  uaddr, const char *str)
-{
-    char  temp[109];
-    const char *p;
-    int len;
-
-    len = MIN(108, strlen(str));
-    p = strchr(str, ',');
-    if (p)
-        len = MIN(len, p - str);
-
-    memcpy(temp, str, len);
-    temp[len] = 0;
-
-    sock_address_init_unix( uaddr, temp );
-    return 0;
-}
-#endif
-
-/* find or alloc a new VLAN */
-VLANState *qemu_find_vlan(int id)
-{
-    VLANState **pvlan, *vlan;
-    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
-        if (vlan->id == id)
-            return vlan;
-    }
-    vlan = qemu_mallocz(sizeof(VLANState));
-    if (!vlan)
-        return NULL;
-    vlan->id = id;
-    vlan->next = NULL;
-    pvlan = &first_vlan;
-    while (*pvlan != NULL)
-        pvlan = &(*pvlan)->next;
-    *pvlan = vlan;
-    return vlan;
-}
-
-VLANClientState *qemu_new_vlan_client(VLANState *vlan,
-                                      IOReadHandler *fd_read,
-                                      IOCanRWHandler *fd_can_read,
-                                      void *opaque)
-{
-    VLANClientState *vc, **pvc;
-    vc = qemu_mallocz(sizeof(VLANClientState));
-    if (!vc)
-        return NULL;
-    vc->fd_read = fd_read;
-    vc->fd_can_read = fd_can_read;
-    vc->opaque = opaque;
-    vc->vlan = vlan;
-
-    vc->next = NULL;
-    pvc = &vlan->first_client;
-    while (*pvc != NULL)
-        pvc = &(*pvc)->next;
-    *pvc = vc;
-    return vc;
-}
-
-void qemu_del_vlan_client(VLANClientState *vc)
-{
-    VLANClientState **pvc = &vc->vlan->first_client;
-
-    while (*pvc != NULL)
-        if (*pvc == vc) {
-            *pvc = vc->next;
-            free(vc);
-            break;
-        } else
-            pvc = &(*pvc)->next;
-}
-
-int qemu_can_send_packet(VLANClientState *vc1)
-{
-    VLANState *vlan = vc1->vlan;
-    VLANClientState *vc;
-
-    for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
-        if (vc != vc1) {
-            if (vc->fd_can_read && vc->fd_can_read(vc->opaque))
-                return 1;
-        }
-    }
-    return 0;
-}
-
-void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
-{
-    VLANState *vlan = vc1->vlan;
-    VLANClientState *vc;
-
-#if 0
-    printf("vlan %d send:\n", vlan->id);
-    hex_dump(stdout, buf, size);
-#endif
-    for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
-        if (vc != vc1) {
-            vc->fd_read(vc->opaque, buf, size);
-        }
-    }
-}
-
-#if defined(CONFIG_SLIRP)
-
-/* slirp network adapter */
-
-int slirp_inited;
-static VLANClientState *slirp_vc;
-
-double   qemu_net_upload_speed   = 0.;
-double   qemu_net_download_speed = 0.;
-int      qemu_net_min_latency = 0;
-int      qemu_net_max_latency = 0;
-int      qemu_net_disable = 0;
-
-int
-ip_packet_is_internal( const uint8_t*  data, size_t  size )
-{
-    const uint8_t*  end = data + size;
-
-    /* must have room for Mac + IP header */
-    if (data + 40 > end)
-        return 0;
-
-    if (data[12] != 0x08 || data[13] != 0x00 )
-        return 0;
-
-    /* must have valid IP header */
-    data += 14;
-    if ((data[0] >> 4) != 4 || (data[0] & 15) < 5)
-        return 0;
-
-    /* internal if both source and dest addresses are in 10.x.x.x */
-    return ( data[12] == 10 && data[16] == 10);
-}
-
-#ifdef CONFIG_SHAPER
-
-/* see http://en.wikipedia.org/wiki/List_of_device_bandwidths or a complete list */
-const NetworkSpeed  android_netspeeds[] = {
-    { "gsm", "GSM/CSD", 14400, 14400 },
-    { "hscsd", "HSCSD", 14400, 43200 },
-    { "gprs", "GPRS", 40000, 80000 },
-    { "edge", "EDGE/EGPRS", 118400, 236800 },
-    { "umts", "UMTS/3G", 128000, 1920000 },
-    { "hsdpa", "HSDPA", 348000, 14400000 },
-    { "full", "no limit", 0, 0 },
-    { NULL, NULL, 0, 0 }
-};
-
-const NetworkLatency  android_netdelays[] = {
-    /* FIXME: these numbers are totally imaginary */
-    { "gprs", "GPRS", 150, 550 },
-    { "edge", "EDGE/EGPRS", 80, 400 },
-    { "umts", "UMTS/3G", 35, 200 },
-    { "none", "no latency", 0, 0 },
-    { NULL, NULL, 0, 0 }
-};
-
-
-NetShaper  slirp_shaper_in;
-NetShaper  slirp_shaper_out;
-NetDelay   slirp_delay_in;
-
-static void
-slirp_delay_in_cb( void*   data,
-                   size_t  size,
-                   void*   opaque )
-{
-    slirp_input( (const uint8_t*)data, (int)size );
-    opaque = opaque;
-}
-
-static void
-slirp_shaper_in_cb( void*   data,
-                    size_t  size,
-                    void*   opaque )
-{
-    netdelay_send_aux( slirp_delay_in, data, size, opaque );
-}
-
-static void
-slirp_shaper_out_cb( void*   data,
-                     size_t  size,
-                     void*   opaque )
-{
-    qemu_send_packet( slirp_vc, (const uint8_t*)data, (int)size );
-}
-
-void
-slirp_init_shapers( void )
-{
-    slirp_delay_in   = netdelay_create( slirp_delay_in_cb );
-    slirp_shaper_in  = netshaper_create( 1, slirp_shaper_in_cb );
-    slirp_shaper_out = netshaper_create( 1, slirp_shaper_out_cb );
-
-    netdelay_set_latency( slirp_delay_in, qemu_net_min_latency, qemu_net_max_latency );
-    netshaper_set_rate( slirp_shaper_out, qemu_net_download_speed );
-    netshaper_set_rate( slirp_shaper_in,  qemu_net_upload_speed  );
-}
-
-#endif /* CONFIG_SHAPER */
-
-int slirp_can_output(void)
-{
-#ifdef CONFIG_SHAPER
-    return !slirp_vc                                ||
-           ( netshaper_can_send( slirp_shaper_out ) &&
-             qemu_can_send_packet(slirp_vc) );
-#else
-    return !slirp_vc || qemu_can_send_packet(slirp_vc);
-#endif
-}
-
-
-
-void slirp_output(const uint8_t *pkt, int pkt_len)
-{
-#if 0
-    printf("slirp output:\n");
-    hex_dump(stdout, pkt, pkt_len);
-#endif
-    if (!slirp_vc)
-        return;
-
-    if (qemu_tcpdump_active)
-        qemu_tcpdump_packet(pkt, pkt_len);
-
-    /* always send internal packets */
-    if ( ip_packet_is_internal( pkt, pkt_len ) ) {
-        qemu_send_packet( slirp_vc, pkt, pkt_len );
-        return;
-    }
-
-    if ( qemu_net_disable )
-        return;
-
-#ifdef CONFIG_SHAPER
-    netshaper_send( slirp_shaper_out, (void*)pkt, pkt_len );
-#else
-    qemu_send_packet(slirp_vc, pkt, pkt_len);
-#endif
-}
-
-static void slirp_receive(void *opaque, const uint8_t *buf, int size)
-{
-#if 0
-    printf("slirp input:\n");
-    hex_dump(stdout, buf, size);
-#endif
-    if (qemu_tcpdump_active)
-        qemu_tcpdump_packet(buf, size);
-
-    if ( ip_packet_is_internal( buf, size ) ) {
-        slirp_input(buf, size);
-        return;
-    }
-
-    if (qemu_net_disable)
-        return;
-
-#ifdef CONFIG_SHAPER
-    netshaper_send( slirp_shaper_in, (char*)buf, size );
-#else
-    slirp_input(buf, size);
-#endif
-}
-
-static int net_slirp_init(VLANState *vlan)
-{
-    if (!slirp_inited) {
-        slirp_inited = 1;
-        slirp_init();
-    }
-    slirp_vc = qemu_new_vlan_client(vlan,
-                                    slirp_receive, NULL, NULL);
-    snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
-    return 0;
-}
-
-static void net_slirp_redir(const char *redir_str)
-{
-    int is_udp;
-    char buf[256], *r;
-    const char *p;
-    uint32_t  guest_ip;
-    int host_port, guest_port;
-
-    if (!slirp_inited) {
-        slirp_inited = 1;
-        slirp_init();
-    }
-
-    p = redir_str;
-    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
-        goto fail;
-    if (!strcmp(buf, "tcp")) {
-        is_udp = 0;
-    } else if (!strcmp(buf, "udp")) {
-        is_udp = 1;
-    } else {
-        goto fail;
-    }
-
-    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
-        goto fail;
-    host_port = strtol(buf, &r, 0);
-    if (r == buf)
-        goto fail;
-
-    if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
-        goto fail;
-    if (buf[0] == '\0') {
-        pstrcpy(buf, sizeof(buf), "10.0.2.15");
-    }
-    if (inet_strtoip(buf, &guest_ip) < 0)
-        goto fail;
-
-    guest_port = strtol(p, &r, 0);
-    if (r == p)
-        goto fail;
-
-    if (slirp_redir(is_udp, host_port, guest_ip, guest_port) < 0) {
-        fprintf(stderr, "qemu: could not set up redirection\n");
-        exit(1);
-    }
-    return;
- fail:
-    fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
-    exit(1);
-}
-
-#if 0  /* ANDROID disabled */
-
-char smb_dir[1024];
-
-static void erase_dir(char *dir_name)
-{
-    DIR *d;
-    struct dirent *de;
-    char filename[1024];
-
-    /* erase all the files in the directory */
-    if ((d = opendir(dir_name)) != 0) {
-        for(;;) {
-            de = readdir(d);
-            if (!de)
-                break;
-            if (strcmp(de->d_name, ".") != 0 &&
-                strcmp(de->d_name, "..") != 0) {
-                snprintf(filename, sizeof(filename), "%s/%s",
-                         smb_dir, de->d_name);
-                if (unlink(filename) != 0)  /* is it a directory? */
-                    erase_dir(filename);
-            }
-        }
-        closedir(d);
-        rmdir(dir_name);
-    }
-}
-
-/* automatic user mode samba server configuration */
-static void smb_exit(void)
-{
-    erase_dir(smb_dir);
-}
-
-/* automatic user mode samba server configuration */
-static void net_slirp_smb(const char *exported_dir)
-{
-    char smb_conf[1024];
-    char smb_cmdline[1024];
-    FILE *f;
-
-    if (!slirp_inited) {
-        slirp_inited = 1;
-        slirp_init();
-    }
-
-    /* XXX: better tmp dir construction */
-    snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
-    if (mkdir(smb_dir, 0700) < 0) {
-        fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
-        exit(1);
-    }
-    snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
-
-    f = fopen(smb_conf, "w");
-    if (!f) {
-        fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
-        exit(1);
-    }
-    fprintf(f,
-            "[global]\n"
-            "private dir=%s\n"
-            "smb ports=0\n"
-            "socket address=127.0.0.1\n"
-            "pid directory=%s\n"
-            "lock directory=%s\n"
-            "log file=%s/log.smbd\n"
-            "smb passwd file=%s/smbpasswd\n"
-            "security = share\n"
-            "[qemu]\n"
-            "path=%s\n"
-            "read only=no\n"
-            "guest ok=yes\n",
-            smb_dir,
-            smb_dir,
-            smb_dir,
-            smb_dir,
-            smb_dir,
-            exported_dir
-            );
-    fclose(f);
-    atexit(smb_exit);
-
-    snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
-             SMBD_COMMAND, smb_conf);
-
-    slirp_add_exec(0, smb_cmdline, 4, 139);
-}
-
-#endif /* !defined(_WIN32) */
-
-#endif /* CONFIG_SLIRP */
-
-#if !defined(_WIN32)
-
-typedef struct TAPState {
-    VLANClientState *vc;
-    int fd;
-    char down_script[1024];
-} TAPState;
-
-static void tap_receive(void *opaque, const uint8_t *buf, int size)
-{
-    TAPState *s = opaque;
-    int ret;
-    for(;;) {
-        ret = write(s->fd, buf, size);
-        if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
-        } else {
-            break;
-        }
-    }
-}
-
-static void tap_send(void *opaque)
-{
-    TAPState *s = opaque;
-    uint8_t buf[4096];
-    int size;
-
-#ifdef __sun__
-    struct strbuf sbuf;
-    int f = 0;
-    sbuf.maxlen = sizeof(buf);
-    sbuf.buf = buf;
-    size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
-#else
-    size = read(s->fd, buf, sizeof(buf));
-#endif
-    if (size > 0) {
-        qemu_send_packet(s->vc, buf, size);
-    }
-}
-
-/* fd support */
-
-static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
-{
-    TAPState *s;
-
-    s = qemu_mallocz(sizeof(TAPState));
-    if (!s)
-        return NULL;
-    s->fd = fd;
-    s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
-    qemu_set_fd_handler(s->fd, tap_send, NULL, s);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
-    return s;
-}
-
-#if defined (_BSD) || defined (__FreeBSD_kernel__)
-static int tap_open(char *ifname, int ifname_size)
-{
-    int fd;
-    char *dev;
-    struct stat s;
-
-    TFR(fd = open("/dev/tap", O_RDWR));
-    if (fd < 0) {
-        fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
-        return -1;
-    }
-
-    fstat(fd, &s);
-    dev = devname(s.st_rdev, S_IFCHR);
-    pstrcpy(ifname, ifname_size, dev);
-
-    fcntl(fd, F_SETFL, O_NONBLOCK);
-    return fd;
-}
-#elif defined(__sun__)
-#define TUNNEWPPA       (('T'<<16) | 0x0001)
-/*
- * Allocate TAP device, returns opened fd.
- * Stores dev name in the first arg(must be large enough).
- */
-int tap_alloc(char *dev, size_t dev_size)
-{
-    int tap_fd, if_fd, ppa = -1;
-    static int ip_fd = 0;
-    char *ptr;
-
-    static int arp_fd = 0;
-    int ip_muxid, arp_muxid;
-    struct strioctl  strioc_if, strioc_ppa;
-    int link_type = I_PLINK;;
-    struct lifreq ifr;
-    char actual_name[32] = "";
-
-    memset(&ifr, 0x0, sizeof(ifr));
-
-    if( *dev ){
-       ptr = dev;
-       while( *ptr && !isdigit((int)*ptr) ) ptr++;
-       ppa = atoi(ptr);
-    }
-
-    /* Check if IP device was opened */
-    if( ip_fd )
-       close(ip_fd);
-
-    TFR(ip_fd = open("/dev/udp", O_RDWR, 0));
-    if (ip_fd < 0) {
-       syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
-       return -1;
-    }
-
-    TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
-    if (tap_fd < 0) {
-       syslog(LOG_ERR, "Can't open /dev/tap");
-       return -1;
-    }
-
-    /* Assign a new PPA and get its unit number. */
-    strioc_ppa.ic_cmd = TUNNEWPPA;
-    strioc_ppa.ic_timout = 0;
-    strioc_ppa.ic_len = sizeof(ppa);
-    strioc_ppa.ic_dp = (char *)&ppa;
-    if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
-       syslog (LOG_ERR, "Can't assign new interface");
-
-    TFR(if_fd = open("/dev/tap", O_RDWR, 0));
-    if (if_fd < 0) {
-       syslog(LOG_ERR, "Can't open /dev/tap (2)");
-       return -1;
-    }
-    if(ioctl(if_fd, I_PUSH, "ip") < 0){
-       syslog(LOG_ERR, "Can't push IP module");
-       return -1;
-    }
-
-    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
-	syslog(LOG_ERR, "Can't get flags\n");
-
-    snprintf (actual_name, 32, "tap%d", ppa);
-    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
-
-    ifr.lifr_ppa = ppa;
-    /* Assign ppa according to the unit number returned by tun device */
-
-    if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
-        syslog (LOG_ERR, "Can't set PPA %d", ppa);
-    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
-        syslog (LOG_ERR, "Can't get flags\n");
-    /* Push arp module to if_fd */
-    if (ioctl (if_fd, I_PUSH, "arp") < 0)
-        syslog (LOG_ERR, "Can't push ARP module (2)");
-
-    /* Push arp module to ip_fd */
-    if (ioctl (ip_fd, I_POP, NULL) < 0)
-        syslog (LOG_ERR, "I_POP failed\n");
-    if (ioctl (ip_fd, I_PUSH, "arp") < 0)
-        syslog (LOG_ERR, "Can't push ARP module (3)\n");
-    /* Open arp_fd */
-    TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
-    if (arp_fd < 0)
-       syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
-
-    /* Set ifname to arp */
-    strioc_if.ic_cmd = SIOCSLIFNAME;
-    strioc_if.ic_timout = 0;
-    strioc_if.ic_len = sizeof(ifr);
-    strioc_if.ic_dp = (char *)&ifr;
-    if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
-        syslog (LOG_ERR, "Can't set ifname to arp\n");
-    }
-
-    if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
-       syslog(LOG_ERR, "Can't link TAP device to IP");
-       return -1;
-    }
-
-    if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
-        syslog (LOG_ERR, "Can't link TAP device to ARP");
-
-    close (if_fd);
-
-    memset(&ifr, 0x0, sizeof(ifr));
-    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
-    ifr.lifr_ip_muxid  = ip_muxid;
-    ifr.lifr_arp_muxid = arp_muxid;
-
-    if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
-    {
-      ioctl (ip_fd, I_PUNLINK , arp_muxid);
-      ioctl (ip_fd, I_PUNLINK, ip_muxid);
-      syslog (LOG_ERR, "Can't set multiplexor id");
-    }
-
-    snprintf(dev, dev_size, "tap%d", ppa);
-    return tap_fd;
-}
-
-static int tap_open(char *ifname, int ifname_size)
-{
-    char  dev[10]="";
-    int fd;
-    if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){
-       fprintf(stderr, "Cannot allocate TAP device\n");
-       return -1;
-    }
-    pstrcpy(ifname, ifname_size, dev);
-    fcntl(fd, F_SETFL, O_NONBLOCK);
-    return fd;
-}
-#else
-static int tap_open(char *ifname, int ifname_size)
-{
-    struct ifreq ifr;
-    int fd, ret;
-
-    TFR(fd = open("/dev/net/tun", O_RDWR));
-    if (fd < 0) {
-        fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
-        return -1;
-    }
-    memset(&ifr, 0, sizeof(ifr));
-    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
-    if (ifname[0] != '\0')
-        pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
-    else
-        pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
-    ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
-    if (ret != 0) {
-        fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
-        close(fd);
-        return -1;
-    }
-    pstrcpy(ifname, ifname_size, ifr.ifr_name);
-    fcntl(fd, F_SETFL, O_NONBLOCK);
-    return fd;
-}
-#endif
-
-static int launch_script(const char *setup_script, const char *ifname, int fd)
-{
-    int pid, status;
-    char *args[3];
-    char **parg;
-
-        /* try to launch network script */
-        pid = fork();
-        if (pid >= 0) {
-            if (pid == 0) {
-                int open_max = sysconf (_SC_OPEN_MAX), i;
-                for (i = 0; i < open_max; i++)
-                    if (i != STDIN_FILENO &&
-                        i != STDOUT_FILENO &&
-                        i != STDERR_FILENO &&
-                        i != fd)
-                        close(i);
-
-                parg = args;
-                *parg++ = (char *)setup_script;
-                *parg++ = (char *)ifname;
-                *parg++ = NULL;
-                execv(setup_script, args);
-                _exit(1);
-            }
-            while (waitpid(pid, &status, 0) != pid);
-            if (!WIFEXITED(status) ||
-                WEXITSTATUS(status) != 0) {
-                fprintf(stderr, "%s: could not launch network script\n",
-                        setup_script);
-                return -1;
-            }
-        }
-    return 0;
-}
-
-static int net_tap_init(VLANState *vlan, const char *ifname1,
-                        const char *setup_script, const char *down_script)
-{
-    TAPState *s;
-    int fd;
-    char ifname[128];
-
-    if (ifname1 != NULL)
-        pstrcpy(ifname, sizeof(ifname), ifname1);
-    else
-        ifname[0] = '\0';
-    TFR(fd = tap_open(ifname, sizeof(ifname)));
-    if (fd < 0)
-        return -1;
-
-    if (!setup_script || !strcmp(setup_script, "no"))
-        setup_script = "";
-    if (setup_script[0] != '\0') {
-	if (launch_script(setup_script, ifname, fd))
-	    return -1;
-    }
-    s = net_tap_fd_init(vlan, fd);
-    if (!s)
-        return -1;
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "tap: ifname=%s setup_script=%s", ifname, setup_script);
-    if (down_script && strcmp(down_script, "no"))
-        snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
-    return 0;
-}
-
-#endif /* !_WIN32 */
-
-#if defined(CONFIG_VDE)
-typedef struct VDEState {
-    VLANClientState *vc;
-    VDECONN *vde;
-} VDEState;
-
-static void vde_to_qemu(void *opaque)
-{
-    VDEState *s = opaque;
-    uint8_t buf[4096];
-    int size;
-
-    size = vde_recv(s->vde, buf, sizeof(buf), 0);
-    if (size > 0) {
-        qemu_send_packet(s->vc, buf, size);
-    }
-}
-
-static void vde_from_qemu(void *opaque, const uint8_t *buf, int size)
-{
-    VDEState *s = opaque;
-    int ret;
-    for(;;) {
-        ret = vde_send(s->vde, buf, size, 0);
-        if (ret < 0 && errno == EINTR) {
-        } else {
-            break;
-        }
-    }
-}
-
-static int net_vde_init(VLANState *vlan, const char *sock, int port,
-                        const char *group, int mode)
-{
-    VDEState *s;
-    char *init_group = strlen(group) ? (char *)group : NULL;
-    char *init_sock = strlen(sock) ? (char *)sock : NULL;
-
-    struct vde_open_args args = {
-        .port = port,
-        .group = init_group,
-        .mode = mode,
-    };
-
-    s = qemu_mallocz(sizeof(VDEState));
-    if (!s)
-        return -1;
-    s->vde = vde_open(init_sock, "QEMU", &args);
-    if (!s->vde){
-        free(s);
-        return -1;
-    }
-    s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s);
-    qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d",
-             sock, vde_datafd(s->vde));
-    return 0;
-}
-#endif
-
-/* network connection */
-typedef struct NetSocketState {
-    VLANClientState *vc;
-    int fd;
-    int state; /* 0 = getting length, 1 = getting data */
-    int index;
-    int packet_len;
-    uint8_t buf[4096];
-    SockAddress dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
-} NetSocketState;
-
-typedef struct NetSocketListenState {
-    VLANState *vlan;
-    int fd;
-} NetSocketListenState;
-
-/* XXX: we consider we can send the whole packet without blocking */
-static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
-{
-    NetSocketState *s = opaque;
-    uint32_t len;
-    len = htonl(size);
-
-    send_all(s->fd, (const uint8_t *)&len, sizeof(len));
-    send_all(s->fd, buf, size);
-}
-
-static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
-{
-    NetSocketState *s = opaque;
-    socket_sendto(s->fd, buf, size, &s->dgram_dst);
-}
-
-static void net_socket_send(void *opaque)
-{
-    NetSocketState *s = opaque;
-    int l, size, err;
-    uint8_t buf1[4096];
-    const uint8_t *buf;
-
-    size = socket_recv(s->fd, buf1, sizeof(buf1));
-    if (size < 0) {
-        err = errno;
-        if (err != EWOULDBLOCK)
-            goto eoc;
-    } else if (size == 0) {
-        /* end of connection */
-    eoc:
-        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
-        socket_close(s->fd);
-        return;
-    }
-    buf = buf1;
-    while (size > 0) {
-        /* reassemble a packet from the network */
-        switch(s->state) {
-        case 0:
-            l = 4 - s->index;
-            if (l > size)
-                l = size;
-            memcpy(s->buf + s->index, buf, l);
-            buf += l;
-            size -= l;
-            s->index += l;
-            if (s->index == 4) {
-                /* got length */
-                s->packet_len = ntohl(*(uint32_t *)s->buf);
-                s->index = 0;
-                s->state = 1;
-            }
-            break;
-        case 1:
-            l = s->packet_len - s->index;
-            if (l > size)
-                l = size;
-            memcpy(s->buf + s->index, buf, l);
-            s->index += l;
-            buf += l;
-            size -= l;
-            if (s->index >= s->packet_len) {
-                qemu_send_packet(s->vc, s->buf, s->packet_len);
-                s->index = 0;
-                s->state = 0;
-            }
-            break;
-        }
-    }
-}
-
-static void net_socket_send_dgram(void *opaque)
-{
-    NetSocketState *s = opaque;
-    int size;
-
-    size = socket_recv(s->fd, s->buf, sizeof(s->buf));
-    if (size < 0)
-        return;
-    if (size == 0) {
-        /* end of connection */
-        qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
-        return;
-    }
-    qemu_send_packet(s->vc, s->buf, size);
-}
-
-static int net_socket_mcast_create(SockAddress*  mcastaddr)
-{
-    uint32_t   mcast_ip = (uint32_t) sock_address_get_ip(mcastaddr);
-
-    int fd, ret;
-
-    if (!IN_MULTICAST(mcast_ip)) {
-        fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" does not contain a multicast address\n",
-                sock_address_to_string(mcastaddr));
-        return -1;
-
-    }
-    fd = socket_create_inet( SOCKET_DGRAM );
-    if (fd < 0) {
-        perror("socket(PF_INET, SOCK_DGRAM)");
-        return -1;
-    }
-
-#if 0
-    val = 1;
-    ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
-                   (const char *)&val, sizeof(val));
-#else
-    ret=socket_set_xreuseaddr(fd);
-#endif
-    if (ret < 0) {
-	perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
-	goto fail;
-    }
-
-    if (socket_bind(fd, mcastaddr) < 0) {
-        perror("bind");
-        goto fail;
-    }
-
-    /* Add host to multicast group */
-    if (socket_mcast_inet_add_membership(fd, mcast_ip) < 0) {
-        perror("setsockopt(IP_ADD_MEMBERSHIP)");
-        goto fail;
-    }
-
-    /* Force mcast msgs to loopback (eg. several QEMUs in same host */
-    if (socket_mcast_inet_set_loop(fd, 1) < 0) {
-        perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
-        goto fail;
-    }
-
-    socket_set_nonblock(fd);
-    return fd;
-fail:
-    if (fd >= 0)
-        closesocket(fd);
-    return -1;
-}
-
-static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
-                                          int is_connected)
-{
-    SockAddress  saddr;
-    int newfd;
-    NetSocketState *s;
-
-    /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
-     * Because this may be "shared" socket from a "master" process, datagrams would be recv()
-     * by ONLY ONE process: we must "clone" this dgram socket --jjo
-     */
-
-    if (is_connected) {
-	if (socket_get_address(fd, &saddr) == 0) {
-	    /* must be bound */
-	    if (sock_address_get_ip(&saddr) == 0) {
-		fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
-			fd);
-		return NULL;
-	    }
-	    /* clone dgram socket */
-	    newfd = net_socket_mcast_create(&saddr);
-	    if (newfd < 0) {
-		/* error already reported by net_socket_mcast_create() */
-		close(fd);
-		return NULL;
-	    }
-	    /* clone newfd to fd, close newfd */
-	    dup2(newfd, fd);
-	    close(newfd);
-
-	} else {
-	    fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
-		    fd, errno_str);
-	    return NULL;
-	}
-    }
-
-    s = qemu_mallocz(sizeof(NetSocketState));
-    if (!s)
-        return NULL;
-    s->fd = fd;
-
-    s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
-    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
-
-    /* mcast: save bound address as dst */
-    if (is_connected) s->dgram_dst=saddr;
-
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-	    "socket: fd=%d (%s mcast=%s)",
-	    fd, is_connected? "cloned" : "",
-	    sock_address_to_string(&saddr));
-    return s;
-}
-
-static void net_socket_connect(void *opaque)
-{
-    NetSocketState *s = opaque;
-    qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
-}
-
-static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
-                                          int is_connected)
-{
-    NetSocketState *s;
-    s = qemu_mallocz(sizeof(NetSocketState));
-    if (!s)
-        return NULL;
-    s->fd = fd;
-    s->vc = qemu_new_vlan_client(vlan,
-                                 net_socket_receive, NULL, s);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "socket: fd=%d", fd);
-    if (is_connected) {
-        net_socket_connect(s);
-    } else {
-        qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
-    }
-    return s;
-}
-
-static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
-                                          int is_connected)
-{
-    SocketType  so_type;
-
-    so_type = socket_get_type(fd);
-    switch(so_type) {
-    case SOCKET_DGRAM:
-        return net_socket_fd_init_dgram(vlan, fd, is_connected);
-    case SOCKET_STREAM:
-        return net_socket_fd_init_stream(vlan, fd, is_connected);
-    default:
-        /* who knows ... this could be a eg. a pty, do warn and continue as stream */
-        fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
-        return net_socket_fd_init_stream(vlan, fd, is_connected);
-    }
-    return NULL;
-}
-
-static void net_socket_accept(void *opaque)
-{
-    NetSocketListenState *s = opaque;
-    NetSocketState *s1;
-    SockAddress   saddr;
-    int fd;
-
-    fd = socket_accept(s->fd, &saddr);
-    if (fd < 0)
-        return;
-
-    s1 = net_socket_fd_init(s->vlan, fd, 1);
-    if (!s1) {
-        closesocket(fd);
-    } else {
-        snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
-                 "socket: connection from %s",
-                 sock_address_to_string(&saddr));
-    }
-    sock_address_done(&saddr);
-}
-
-static int net_socket_listen_init(VLANState *vlan, const char *host_str)
-{
-    NetSocketListenState *s;
-    int fd, ret;
-    SockAddress saddr;
-
-    if (parse_host_port(&saddr, host_str) < 0)
-        return -1;
-
-    s = qemu_mallocz(sizeof(NetSocketListenState));
-    if (!s)
-        return -1;
-
-    fd = socket_create_inet( SOCKET_STREAM );
-    if (fd < 0) {
-        perror("socket");
-        return -1;
-    }
-    socket_set_nonblock(fd);
-#if 0
-    /* allow fast reuse */
-    val = 1;
-    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
-#else
-    socket_set_xreuseaddr(fd);
-#endif
-
-    ret = socket_bind(fd, &saddr);
-    if (ret < 0) {
-        perror("bind");
-        socket_close(fd);
-        return -1;
-    }
-    ret = socket_listen(fd, 0);
-    if (ret < 0) {
-        perror("listen");
-        socket_close(fd);
-        return -1;
-    }
-    s->vlan = vlan;
-    s->fd   = fd;
-    qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
-    return 0;
-}
-
-static int net_socket_connect_init(VLANState *vlan, const char *host_str)
-{
-    NetSocketState *s;
-    int fd, connected, ret, err;
-    SockAddress  saddr;
-
-    if (parse_host_port(&saddr, host_str) < 0)
-        return -1;
-
-    fd = socket_create_inet( SOCKET_STREAM );
-    if (fd < 0) {
-        perror("socket");
-        return -1;
-    }
-    socket_set_nonblock(fd);
-
-    connected = 0;
-    for(;;) {
-        ret = socket_connect(fd, &saddr);
-        if (ret < 0) {
-            err = errno;
-            if (err == EINTR || err == EWOULDBLOCK) {
-            } else if (err == EINPROGRESS) {
-                break;
-#ifdef _WIN32
-            } else if (err == EALREADY) {
-                break;
-#endif
-            } else {
-                perror("connect");
-                socket_close(fd);
-                return -1;
-            }
-        } else {
-            connected = 1;
-            break;
-        }
-    }
-    s = net_socket_fd_init(vlan, fd, connected);
-    if (!s)
-        return -1;
-
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "socket: connect to %s", sock_address_to_string(&saddr));
-    return 0;
-}
-
-static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
-{
-    NetSocketState *s;
-    int fd;
-    SockAddress  saddr;
-
-    if (parse_host_port(&saddr, host_str) < 0)
-        return -1;
-
-
-    fd = net_socket_mcast_create(&saddr);
-    if (fd < 0)
-	return -1;
-
-    s = net_socket_fd_init(vlan, fd, 0);
-    if (!s)
-        return -1;
-
-    s->dgram_dst = saddr;
-
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "socket: mcast=%s", sock_address_to_string(&saddr));
-    return 0;
-
-}
-
-static const char *get_opt_name(char *buf, int buf_size, const char *p)
-{
-    char *q;
-
-    q = buf;
-    while (*p != '\0' && *p != '=') {
-        if (q && (q - buf) < buf_size - 1)
-            *q++ = *p;
-        p++;
-    }
-    if (q)
-        *q = '\0';
-
-    return p;
-}
-
-static const char *get_opt_value(char *buf, int buf_size, const char *p)
-{
-    char *q;
-
-    q = buf;
-    while (*p != '\0') {
-        if (*p == ',') {
-            if (*(p + 1) != ',')
-                break;
-            p++;
-        }
-        if (q && (q - buf) < buf_size - 1)
-            *q++ = *p;
-        p++;
-    }
-    if (q)
-        *q = '\0';
-
-    return p;
-}
-
-static int get_param_value(char *buf, int buf_size,
-                           const char *tag, const char *str)
-{
-    const char *p;
-    char option[128];
-
-    p = str;
-    for(;;) {
-        p = get_opt_name(option, sizeof(option), p);
-        if (*p != '=')
-            break;
-        p++;
-        if (!strcmp(tag, option)) {
-            (void)get_opt_value(buf, buf_size, p);
-            return strlen(buf);
-        } else {
-            p = get_opt_value(NULL, 0, p);
-        }
-        if (*p != ',')
-            break;
-        p++;
-    }
-    return 0;
-}
-
-static int check_params(char *buf, int buf_size,
-                        const char * const *params, const char *str)
-{
-    const char *p;
-    int i;
-
-    p = str;
-    for(;;) {
-        p = get_opt_name(buf, buf_size, p);
-        if (*p != '=')
-            return -1;
-        p++;
-        for(i = 0; params[i] != NULL; i++)
-            if (!strcmp(params[i], buf))
-                break;
-        if (params[i] == NULL)
-            return -1;
-        p = get_opt_value(NULL, 0, p);
-        if (*p != ',')
-            break;
-        p++;
-    }
-    return 0;
-}
-
-static int net_client_init(const char *device, const char *p)
-{
-    char buf[1024];
-    int vlan_id, ret;
-    VLANState *vlan;
-
-    vlan_id = 0;
-    if (get_param_value(buf, sizeof(buf), "vlan", p)) {
-        vlan_id = strtol(buf, NULL, 0);
-    }
-    vlan = qemu_find_vlan(vlan_id);
-    if (!vlan) {
-        fprintf(stderr, "Could not create vlan %d\n", vlan_id);
-        return -1;
-    }
-    if (!strcmp(device, "nic")) {
-        NICInfo *nd;
-        uint8_t *macaddr;
-
-        if (nb_nics >= MAX_NICS) {
-            fprintf(stderr, "Too Many NICs\n");
-            return -1;
-        }
-        nd = &nd_table[nb_nics];
-        macaddr = nd->macaddr;
-        macaddr[0] = 0x52;
-        macaddr[1] = 0x54;
-        macaddr[2] = 0x00;
-        macaddr[3] = 0x12;
-        macaddr[4] = 0x34;
-        macaddr[5] = 0x56 + nb_nics;
-
-        if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
-            if (parse_macaddr(macaddr, buf) < 0) {
-                fprintf(stderr, "invalid syntax for ethernet address\n");
-                return -1;
-            }
-        }
-        if (get_param_value(buf, sizeof(buf), "model", p)) {
-            nd->model = strdup(buf);
-        }
-        nd->vlan = vlan;
-        nb_nics++;
-        vlan->nb_guest_devs++;
-        ret = 0;
-    } else
-    if (!strcmp(device, "none")) {
-        /* does nothing. It is needed to signal that no network cards
-           are wanted */
-#if 1 /* ANDROID */
-        fprintf(stderr, "sorry, you need to enable the network to use the Android emulator\n");
-        return -1;
-#else
-        ret = 0;
-#endif
-    } else
-#ifdef CONFIG_SLIRP
-    if (!strcmp(device, "user")) {
-        if (get_param_value(buf, sizeof(buf), "hostname", p)) {
-            pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
-        }
-        vlan->nb_host_devs++;
-        ret = net_slirp_init(vlan);
-    } else
-#endif
-#ifdef _WIN32
-#if 0
-    if (!strcmp(device, "tap")) {
-        char ifname[64];
-        if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
-            fprintf(stderr, "tap: no interface name\n");
-            return -1;
-        }
-        vlan->nb_host_devs++;
-        ret = tap_win32_init(vlan, ifname);
-    } else
-#endif
-#else
-    if (!strcmp(device, "tap")) {
-        char ifname[64];
-        char setup_script[1024], down_script[1024];
-        int fd;
-        vlan->nb_host_devs++;
-        if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
-            fd = strtol(buf, NULL, 0);
-            socket_set_nonblock(fd);
-            ret = -1;
-            if (net_tap_fd_init(vlan, fd))
-                ret = 0;
-        } else {
-            if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
-                ifname[0] = '\0';
-            }
-            if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
-                pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
-            }
-            if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
-                pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
-            }
-            ret = net_tap_init(vlan, ifname, setup_script, down_script);
-        }
-    } else
-#endif
-    if (!strcmp(device, "socket")) {
-        if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
-            int fd;
-            fd = strtol(buf, NULL, 0);
-            ret = -1;
-            if (net_socket_fd_init(vlan, fd, 1))
-                ret = 0;
-        } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
-            ret = net_socket_listen_init(vlan, buf);
-        } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
-            ret = net_socket_connect_init(vlan, buf);
-        } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
-            ret = net_socket_mcast_init(vlan, buf);
-        } else {
-            fprintf(stderr, "Unknown socket options: %s\n", p);
-            return -1;
-        }
-        vlan->nb_host_devs++;
-    } else
-#ifdef CONFIG_VDE
-    if (!strcmp(device, "vde")) {
-        char vde_sock[1024], vde_group[512];
-	int vde_port, vde_mode;
-        vlan->nb_host_devs++;
-        if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) {
-	    vde_sock[0] = '\0';
-	}
-	if (get_param_value(buf, sizeof(buf), "port", p) > 0) {
-	    vde_port = strtol(buf, NULL, 10);
-	} else {
-	    vde_port = 0;
-	}
-	if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) {
-	    vde_group[0] = '\0';
-	}
-	if (get_param_value(buf, sizeof(buf), "mode", p) > 0) {
-	    vde_mode = strtol(buf, NULL, 8);
-	} else {
-	    vde_mode = 0700;
-	}
-	ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode);
-    } else
-#endif
-    {
-        fprintf(stderr, "Unknown network device: %s\n", device);
-        return -1;
-    }
-    if (ret < 0) {
-        fprintf(stderr, "Could not initialize device '%s'\n", device);
-    }
-
-    return ret;
-}
-
-static int net_client_parse(const char *str)
-{
-    const char *p;
-    char *q;
-    char device[64];
-
-    p = str;
-    q = device;
-    while (*p != '\0' && *p != ',') {
-        if ((q - device) < sizeof(device) - 1)
-            *q++ = *p;
-        p++;
-    }
-    *q = '\0';
-    if (*p == ',')
-        p++;
-
-    return net_client_init(device, p);
-}
-
-void do_info_network(void)
-{
-    VLANState *vlan;
-    VLANClientState *vc;
-
-    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
-        term_printf("VLAN %d devices:\n", vlan->id);
-        for(vc = vlan->first_client; vc != NULL; vc = vc->next)
-            term_printf("  %s\n", vc->info_str);
-    }
-}
-
-#define HD_ALIAS "index=%d,media=disk"
-#ifdef TARGET_PPC
-#define CDROM_ALIAS "index=1,media=cdrom"
-#else
-#define CDROM_ALIAS "index=2,media=cdrom"
-#endif
-#define FD_ALIAS "index=%d,if=floppy"
-#define PFLASH_ALIAS "if=pflash"
-#define MTD_ALIAS "if=mtd"
-#define SD_ALIAS "index=0,if=sd"
-
-static int drive_add(const char *file, const char *fmt, ...)
-{
-    va_list ap;
-
-    if (nb_drives_opt >= MAX_DRIVES) {
-        fprintf(stderr, "qemu: too many drives\n");
-        exit(1);
-    }
-
-    drives_opt[nb_drives_opt].file = file;
-    va_start(ap, fmt);
-    vsnprintf(drives_opt[nb_drives_opt].opt,
-              sizeof(drives_opt[0].opt), fmt, ap);
-    va_end(ap);
-
-    return nb_drives_opt++;
-}
-
-int drive_get_index(BlockInterfaceType type, int bus, int unit)
-{
-    int index;
-
-    /* seek interface, bus and unit */
-
-    for (index = 0; index < nb_drives; index++)
-        if (drives_table[index].type == type &&
-	    drives_table[index].bus == bus &&
-	    drives_table[index].unit == unit)
-        return index;
-
-    return -1;
-}
-
-int drive_get_max_bus(BlockInterfaceType type)
-{
-    int max_bus;
-    int index;
-
-    max_bus = -1;
-    for (index = 0; index < nb_drives; index++) {
-        if(drives_table[index].type == type &&
-           drives_table[index].bus > max_bus)
-            max_bus = drives_table[index].bus;
-    }
-    return max_bus;
-}
-
-static void bdrv_format_print(void *opaque, const char *name)
-{
-    fprintf(stderr, " %s", name);
-}
-
-static int drive_init(struct drive_opt *arg, int snapshot,
-                      QEMUMachine *machine)
-{
-    char buf[128];
-    char file[1024];
-    char devname[128];
-    const char *mediastr = "";
-    BlockInterfaceType type;
-    enum { MEDIA_DISK, MEDIA_CDROM } media;
-    int bus_id, unit_id;
-    int cyls, heads, secs, translation;
-    BlockDriverState *bdrv;
-    BlockDriver *drv = NULL;
-    int max_devs;
-    int index;
-    int cache;
-    int bdrv_flags;
-    char *str = arg->opt;
-    static const char * const params[] = { "bus", "unit", "if", "index",
-                                           "cyls", "heads", "secs", "trans",
-                                           "media", "snapshot", "file",
-                                           "cache", "format", NULL };
-
-    if (check_params(buf, sizeof(buf), params, str) < 0) {
-         fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
-                         buf, str);
-         return -1;
-    }
-
-    file[0] = 0;
-    cyls = heads = secs = 0;
-    bus_id = 0;
-    unit_id = -1;
-    translation = BIOS_ATA_TRANSLATION_AUTO;
-    index = -1;
-    cache = 1;
-
-    if (!strcmp(machine->name, "realview") ||
-        !strcmp(machine->name, "SS-5") ||
-        !strcmp(machine->name, "SS-10") ||
-        !strcmp(machine->name, "SS-600MP") ||
-        !strcmp(machine->name, "versatilepb") ||
-        !strcmp(machine->name, "versatileab")) {
-        type = IF_SCSI;
-        max_devs = MAX_SCSI_DEVS;
-        pstrcpy(devname, sizeof(devname), "scsi");
-    } else {
-        type = IF_IDE;
-        max_devs = MAX_IDE_DEVS;
-        pstrcpy(devname, sizeof(devname), "ide");
-    }
-    media = MEDIA_DISK;
-
-    /* extract parameters */
-
-    if (get_param_value(buf, sizeof(buf), "bus", str)) {
-        bus_id = strtol(buf, NULL, 0);
-	if (bus_id < 0) {
-	    fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "unit", str)) {
-        unit_id = strtol(buf, NULL, 0);
-	if (unit_id < 0) {
-	    fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "if", str)) {
-        pstrcpy(devname, sizeof(devname), buf);
-        if (!strcmp(buf, "ide")) {
-	    type = IF_IDE;
-            max_devs = MAX_IDE_DEVS;
-        } else if (!strcmp(buf, "scsi")) {
-	    type = IF_SCSI;
-            max_devs = MAX_SCSI_DEVS;
-        } else if (!strcmp(buf, "floppy")) {
-	    type = IF_FLOPPY;
-            max_devs = 0;
-        } else if (!strcmp(buf, "pflash")) {
-	    type = IF_PFLASH;
-            max_devs = 0;
-	} else if (!strcmp(buf, "mtd")) {
-	    type = IF_MTD;
-            max_devs = 0;
-	} else if (!strcmp(buf, "sd")) {
-	    type = IF_SD;
-            max_devs = 0;
-	} else {
-            fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
-            return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "index", str)) {
-        index = strtol(buf, NULL, 0);
-	if (index < 0) {
-	    fprintf(stderr, "qemu: '%s' invalid index\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "cyls", str)) {
-        cyls = strtol(buf, NULL, 0);
-    }
-
-    if (get_param_value(buf, sizeof(buf), "heads", str)) {
-        heads = strtol(buf, NULL, 0);
-    }
-
-    if (get_param_value(buf, sizeof(buf), "secs", str)) {
-        secs = strtol(buf, NULL, 0);
-    }
-
-    if (cyls || heads || secs) {
-        if (cyls < 1 || cyls > 16383) {
-            fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
-	    return -1;
-	}
-        if (heads < 1 || heads > 16) {
-            fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
-	    return -1;
-	}
-        if (secs < 1 || secs > 63) {
-            fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "trans", str)) {
-        if (!cyls) {
-            fprintf(stderr,
-                    "qemu: '%s' trans must be used with cyls,heads and secs\n",
-                    str);
-            return -1;
-        }
-        if (!strcmp(buf, "none"))
-            translation = BIOS_ATA_TRANSLATION_NONE;
-        else if (!strcmp(buf, "lba"))
-            translation = BIOS_ATA_TRANSLATION_LBA;
-        else if (!strcmp(buf, "auto"))
-            translation = BIOS_ATA_TRANSLATION_AUTO;
-	else {
-            fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "media", str)) {
-        if (!strcmp(buf, "disk")) {
-	    media = MEDIA_DISK;
-	} else if (!strcmp(buf, "cdrom")) {
-            if (cyls || secs || heads) {
-                fprintf(stderr,
-                        "qemu: '%s' invalid physical CHS format\n", str);
-	        return -1;
-            }
-	    media = MEDIA_CDROM;
-	} else {
-	    fprintf(stderr, "qemu: '%s' invalid media\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
-        if (!strcmp(buf, "on"))
-	    snapshot = 1;
-        else if (!strcmp(buf, "off"))
-	    snapshot = 0;
-	else {
-	    fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
-	    return -1;
-	}
-    }
-
-    if (get_param_value(buf, sizeof(buf), "cache", str)) {
-        if (!strcmp(buf, "off"))
-            cache = 0;
-        else if (!strcmp(buf, "on"))
-            cache = 1;
-        else {
-           fprintf(stderr, "qemu: invalid cache option\n");
-           return -1;
-        }
-    }
-
-    if (get_param_value(buf, sizeof(buf), "format", str)) {
-       if (strcmp(buf, "?") == 0) {
-            fprintf(stderr, "qemu: Supported formats:");
-            bdrv_iterate_format(bdrv_format_print, NULL);
-            fprintf(stderr, "\n");
-	    return -1;
-        }
-        drv = bdrv_find_format(buf);
-        if (!drv) {
-            fprintf(stderr, "qemu: '%s' invalid format\n", buf);
-            return -1;
-        }
-    }
-
-    if (arg->file == NULL)
-        get_param_value(file, sizeof(file), "file", str);
-    else
-        pstrcpy(file, sizeof(file), arg->file);
-
-    /* compute bus and unit according index */
-
-    if (index != -1) {
-        if (bus_id != 0 || unit_id != -1) {
-            fprintf(stderr,
-                    "qemu: '%s' index cannot be used with bus and unit\n", str);
-            return -1;
-        }
-        if (max_devs == 0)
-        {
-            unit_id = index;
-            bus_id = 0;
-        } else {
-            unit_id = index % max_devs;
-            bus_id = index / max_devs;
-        }
-    }
-
-    /* if user doesn't specify a unit_id,
-     * try to find the first free
-     */
-
-    if (unit_id == -1) {
-       unit_id = 0;
-       while (drive_get_index(type, bus_id, unit_id) != -1) {
-           unit_id++;
-           if (max_devs && unit_id >= max_devs) {
-               unit_id -= max_devs;
-               bus_id++;
-           }
-       }
-    }
-
-    /* check unit id */
-
-    if (max_devs && unit_id >= max_devs) {
-        fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
-                        str, unit_id, max_devs - 1);
-        return -1;
-    }
-
-    /*
-     * ignore multiple definitions
-     */
-
-    if (drive_get_index(type, bus_id, unit_id) != -1)
-        return 0;
-
-    /* init */
-
-    if (type == IF_IDE || type == IF_SCSI)
-        mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
-    if (max_devs)
-        snprintf(buf, sizeof(buf), "%s%i%s%i",
-                 devname, bus_id, mediastr, unit_id);
-    else
-        snprintf(buf, sizeof(buf), "%s%s%i",
-                 devname, mediastr, unit_id);
-    bdrv = bdrv_new(buf);
-    drives_table[nb_drives].bdrv = bdrv;
-    drives_table[nb_drives].type = type;
-    drives_table[nb_drives].bus = bus_id;
-    drives_table[nb_drives].unit = unit_id;
-    nb_drives++;
-
-    switch(type) {
-    case IF_IDE:
-    case IF_SCSI:
-        switch(media) {
-	case MEDIA_DISK:
-            if (cyls != 0) {
-                bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
-                bdrv_set_translation_hint(bdrv, translation);
-            }
-	    break;
-	case MEDIA_CDROM:
-            bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
-	    break;
-	}
-        break;
-    case IF_SD:
-        /* FIXME: This isn't really a floppy, but it's a reasonable
-           approximation.  */
-    case IF_FLOPPY:
-        bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
-        break;
-    case IF_PFLASH:
-    case IF_MTD:
-        break;
-    }
-    if (!file[0])
-        return 0;
-    bdrv_flags = 0;
-    if (snapshot)
-        bdrv_flags |= BDRV_O_SNAPSHOT;
-    if (!cache)
-        bdrv_flags |= BDRV_O_DIRECT;
-    if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
-        fprintf(stderr, "qemu: could not open disk image %s\n",
-                        file);
-        return -1;
-    }
-    return 0;
-}
-
-/***********************************************************/
-/* USB devices */
-
-static USBPort *used_usb_ports;
-static USBPort *free_usb_ports;
-
-/* ??? Maybe change this to register a hub to keep track of the topology.  */
-void qemu_register_usb_port(USBPort *port, void *opaque, int index,
-                            usb_attachfn attach)
-{
-    port->opaque = opaque;
-    port->index = index;
-    port->attach = attach;
-    port->next = free_usb_ports;
-    free_usb_ports = port;
-}
-
-int usb_device_add_dev(USBDevice *dev)
-{
-    USBPort *port;
-
-    /* Find a USB port to add the device to.  */
-    port = free_usb_ports;
-    if (!port->next) {
-        USBDevice *hub;
-
-        /* Create a new hub and chain it on.  */
-        free_usb_ports = NULL;
-        port->next = used_usb_ports;
-        used_usb_ports = port;
-
-        hub = usb_hub_init(VM_USB_HUB_SIZE);
-        usb_attach(port, hub);
-        port = free_usb_ports;
-    }
-
-    free_usb_ports = port->next;
-    port->next = used_usb_ports;
-    used_usb_ports = port;
-    usb_attach(port, dev);
-    return 0;
-}
-
-static int usb_device_add(const char *devname)
-{
-    const char *p;
-    USBDevice *dev;
-
-    if (!free_usb_ports)
-        return -1;
-
-    if (strstart(devname, "host:", &p)) {
-        dev = usb_host_device_open(p);
-    } else if (!strcmp(devname, "mouse")) {
-        dev = usb_mouse_init();
-    } else if (!strcmp(devname, "tablet")) {
-        dev = usb_tablet_init();
-    } else if (!strcmp(devname, "keyboard")) {
-        dev = usb_keyboard_init();
-    } else if (strstart(devname, "disk:", &p)) {
-        dev = usb_msd_init(p);
-#if 0
-    } else if (!strcmp(devname, "wacom-tablet")) {
-        dev = usb_wacom_init();
-    } else if (strstart(devname, "serial:", &p)) {
-        dev = usb_serial_init(p);
-#ifdef CONFIG_BRLAPI
-    } else if (!strcmp(devname, "braille")) {
-        dev = usb_baum_init();
-#endif
-    } else if (strstart(devname, "net:", &p)) {
-        int nic = nb_nics;
-
-        if (net_client_init("nic", p) < 0)
-            return -1;
-        nd_table[nic].model = "usb";
-        dev = usb_net_init(&nd_table[nic]);
-#endif
-    } else {
-        return -1;
-    }
-    if (!dev)
-        return -1;
-
-    return usb_device_add_dev(dev);
-}
-
-int usb_device_del_addr(int bus_num, int addr)
-{
-    USBPort *port;
-    USBPort **lastp;
-    USBDevice *dev;
-
-    if (!used_usb_ports)
-        return -1;
-
-    if (bus_num != 0)
-        return -1;
-
-    lastp = &used_usb_ports;
-    port = used_usb_ports;
-    while (port && port->dev->addr != addr) {
-        lastp = &port->next;
-        port = port->next;
-    }
-
-    if (!port)
-        return -1;
-
-    dev = port->dev;
-    *lastp = port->next;
-    usb_attach(port, NULL);
-    dev->handle_destroy(dev);
-    port->next = free_usb_ports;
-    free_usb_ports = port;
-    return 0;
-}
-
-static int usb_device_del(const char *devname)
-{
-    int bus_num, addr;
-    const char *p;
-
-    if (strstart(devname, "host:", &p))
-        return usb_host_device_close(p);
-
-    if (!used_usb_ports)
-        return -1;
-
-    p = strchr(devname, '.');
-    if (!p)
-        return -1;
-    bus_num = strtoul(devname, NULL, 0);
-    addr = strtoul(p + 1, NULL, 0);
-
-    return usb_device_del_addr(bus_num, addr);
-}
-
-void do_usb_add(const char *devname)
-{
-    usb_device_add(devname);
-}
-
-void do_usb_del(const char *devname)
-{
-    usb_device_del(devname);
-}
-
-void usb_info(void)
-{
-    USBDevice *dev;
-    USBPort *port;
-    const char *speed_str;
-
-    if (!usb_enabled) {
-        term_printf("USB support not enabled\n");
-        return;
-    }
-
-    for (port = used_usb_ports; port; port = port->next) {
-        dev = port->dev;
-        if (!dev)
-            continue;
-        switch(dev->speed) {
-        case USB_SPEED_LOW:
-            speed_str = "1.5";
-            break;
-        case USB_SPEED_FULL:
-            speed_str = "12";
-            break;
-        case USB_SPEED_HIGH:
-            speed_str = "480";
-            break;
-        default:
-            speed_str = "?";
-            break;
-        }
-        term_printf("  Device %d.%d, Speed %s Mb/s, Product %s\n",
-                    0, dev->addr, speed_str, dev->devname);
-    }
-}
-
-/***********************************************************/
-/* pid file */
-
-static char *pid_filename;
-
-/* Remove PID file. Called on normal exit */
-
-static void remove_pidfile(void)
-{
-    unlink (pid_filename);
-}
-
-static void create_pidfile(const char *filename)
-{
-    struct stat pidstat;
-    FILE *f;
-
-    /* Try to write our PID to the named file */
-    if (stat(filename, &pidstat) < 0) {
-        if (errno == ENOENT) {
-            if ((f = fopen (filename, "w")) == NULL) {
-                perror("Opening pidfile");
-                exit(1);
-            }
-            fprintf(f, "%d\n", getpid());
-            fclose(f);
-            pid_filename = qemu_strdup(filename);
-            if (!pid_filename) {
-                fprintf(stderr, "Could not save PID filename");
-                exit(1);
-            }
-            atexit(remove_pidfile);
-        }
-    } else {
-        fprintf(stderr, "%s already exists. Remove it and try again.\n",
-                filename);
-        exit(1);
-    }
-}
-
-/***********************************************************/
-/* dumb display */
-
-static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
-{
-}
-
-static void dumb_resize(DisplayState *ds, int w, int h)
-{
-}
-
-static void dumb_refresh(DisplayState *ds)
-{
-#if defined(CONFIG_SDL)
-    vga_hw_update();
-#endif
-}
-
-static void dumb_display_init(DisplayState *ds)
-{
-    ds->data = NULL;
-    ds->linesize = 0;
-    ds->depth = 0;
-    ds->dpy_update = dumb_update;
-    ds->dpy_resize = dumb_resize;
-    ds->dpy_refresh = dumb_refresh;
-    ds->gui_timer_interval = 500;
-    ds->idle = 1;
-}
-
-/***********************************************************/
-/* I/O handling */
-
-#define MAX_IO_HANDLERS 64
-
-typedef struct IOHandlerRecord {
-    int fd;
-    IOCanRWHandler *fd_read_poll;
-    IOHandler *fd_read;
-    IOHandler *fd_write;
-    int deleted;
-    void *opaque;
-    /* temporary data */
-    struct pollfd *ufd;
-    struct IOHandlerRecord *next;
-} IOHandlerRecord;
-
-static IOHandlerRecord *first_io_handler;
-
-/* XXX: fd_read_poll should be suppressed, but an API change is
-   necessary in the character devices to suppress fd_can_read(). */
-int qemu_set_fd_handler2(int fd,
-                         IOCanRWHandler *fd_read_poll,
-                         IOHandler *fd_read,
-                         IOHandler *fd_write,
-                         void *opaque)
-{
-    IOHandlerRecord **pioh, *ioh;
-
-    if (!fd_read && !fd_write) {
-        pioh = &first_io_handler;
-        for(;;) {
-            ioh = *pioh;
-            if (ioh == NULL)
-                break;
-            if (ioh->fd == fd) {
-                ioh->deleted = 1;
-                break;
-            }
-            pioh = &ioh->next;
-        }
-    } else {
-        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
-            if (ioh->fd == fd)
-                goto found;
-        }
-        ioh = qemu_mallocz(sizeof(IOHandlerRecord));
-        if (!ioh)
-            return -1;
-        ioh->next = first_io_handler;
-        first_io_handler = ioh;
-    found:
-        ioh->fd = fd;
-        ioh->fd_read_poll = fd_read_poll;
-        ioh->fd_read = fd_read;
-        ioh->fd_write = fd_write;
-        ioh->opaque = opaque;
-        ioh->deleted = 0;
-    }
-    return 0;
-}
-
-int qemu_set_fd_handler(int fd,
-                        IOHandler *fd_read,
-                        IOHandler *fd_write,
-                        void *opaque)
-{
-    return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
-}
-
-/***********************************************************/
-/* Polling handling */
-
-typedef struct PollingEntry {
-    PollingFunc *func;
-    void *opaque;
-    struct PollingEntry *next;
-} PollingEntry;
-
-static PollingEntry *first_polling_entry;
-
-int qemu_add_polling_cb(PollingFunc *func, void *opaque)
-{
-    PollingEntry **ppe, *pe;
-    pe = qemu_mallocz(sizeof(PollingEntry));
-    if (!pe)
-        return -1;
-    pe->func = func;
-    pe->opaque = opaque;
-    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
-    *ppe = pe;
-    return 0;
-}
-
-void qemu_del_polling_cb(PollingFunc *func, void *opaque)
-{
-    PollingEntry **ppe, *pe;
-    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
-        pe = *ppe;
-        if (pe->func == func && pe->opaque == opaque) {
-            *ppe = pe->next;
-            qemu_free(pe);
-            break;
-        }
-    }
-}
-
-#ifdef _WIN32
-/***********************************************************/
-/* Wait objects support */
-typedef struct WaitObjects {
-    int num;
-    HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
-    WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
-    void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
-} WaitObjects;
-
-static WaitObjects wait_objects = {0};
-
-int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
-{
-    WaitObjects *w = &wait_objects;
-
-    if (w->num >= MAXIMUM_WAIT_OBJECTS)
-        return -1;
-    w->events[w->num] = handle;
-    w->func[w->num] = func;
-    w->opaque[w->num] = opaque;
-    w->num++;
-    return 0;
-}
-
-void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
-{
-    int i, found;
-    WaitObjects *w = &wait_objects;
-
-    found = 0;
-    for (i = 0; i < w->num; i++) {
-        if (w->events[i] == handle)
-            found = 1;
-        if (found) {
-            w->events[i] = w->events[i + 1];
-            w->func[i] = w->func[i + 1];
-            w->opaque[i] = w->opaque[i + 1];
-        }
-    }
-    if (found)
-        w->num--;
-}
-#endif
-
-/***********************************************************/
-/* savevm/loadvm support */
-
-#define IO_BUF_SIZE 32768
-
-struct QEMUFile {
-    FILE *outfile;
-    BlockDriverState *bs;
-    int is_file;
-    int is_writable;
-    int64_t base_offset;
-    int64_t buf_offset; /* start of buffer when writing, end of buffer
-                           when reading */
-    int buf_index;
-    int buf_size; /* 0 when writing */
-    uint8_t buf[IO_BUF_SIZE];
-};
-
-QEMUFile *qemu_fopen(const char *filename, const char *mode)
-{
-    QEMUFile *f;
-
-    f = qemu_mallocz(sizeof(QEMUFile));
-    if (!f)
-        return NULL;
-    if (!strcmp(mode, "wb")) {
-        f->is_writable = 1;
-    } else if (!strcmp(mode, "rb")) {
-        f->is_writable = 0;
-    } else {
-        goto fail;
-    }
-    f->outfile = fopen(filename, mode);
-    if (!f->outfile)
-        goto fail;
-    f->is_file = 1;
-    return f;
- fail:
-    if (f->outfile)
-        fclose(f->outfile);
-    qemu_free(f);
-    return NULL;
-}
-
-static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
-{
-    QEMUFile *f;
-
-    f = qemu_mallocz(sizeof(QEMUFile));
-    if (!f)
-        return NULL;
-    f->is_file = 0;
-    f->bs = bs;
-    f->is_writable = is_writable;
-    f->base_offset = offset;
-    return f;
-}
-
-void qemu_fflush(QEMUFile *f)
-{
-    if (!f->is_writable)
-        return;
-    if (f->buf_index > 0) {
-        if (f->is_file) {
-            fseek(f->outfile, f->buf_offset, SEEK_SET);
-            fwrite(f->buf, 1, f->buf_index, f->outfile);
-        } else {
-            bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
-                        f->buf, f->buf_index);
-        }
-        f->buf_offset += f->buf_index;
-        f->buf_index = 0;
-    }
-}
-
-static void qemu_fill_buffer(QEMUFile *f)
-{
-    int len;
-
-    if (f->is_writable)
-        return;
-    if (f->is_file) {
-        fseek(f->outfile, f->buf_offset, SEEK_SET);
-        len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
-        if (len < 0)
-            len = 0;
-    } else {
-        len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
-                         f->buf, IO_BUF_SIZE);
-        if (len < 0)
-            len = 0;
-    }
-    f->buf_index = 0;
-    f->buf_size = len;
-    f->buf_offset += len;
-}
-
-void qemu_fclose(QEMUFile *f)
-{
-    if (f->is_writable)
-        qemu_fflush(f);
-    if (f->is_file) {
-        fclose(f->outfile);
-    }
-    qemu_free(f);
-}
-
-void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
-{
-    int l;
-    while (size > 0) {
-        l = IO_BUF_SIZE - f->buf_index;
-        if (l > size)
-            l = size;
-        memcpy(f->buf + f->buf_index, buf, l);
-        f->buf_index += l;
-        buf += l;
-        size -= l;
-        if (f->buf_index >= IO_BUF_SIZE)
-            qemu_fflush(f);
-    }
-}
-
-void qemu_put_byte(QEMUFile *f, int v)
-{
-    f->buf[f->buf_index++] = v;
-    if (f->buf_index >= IO_BUF_SIZE)
-        qemu_fflush(f);
-}
-
-int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
-{
-    int size, l;
-
-    size = size1;
-    while (size > 0) {
-        l = f->buf_size - f->buf_index;
-        if (l == 0) {
-            qemu_fill_buffer(f);
-            l = f->buf_size - f->buf_index;
-            if (l == 0)
-                break;
-        }
-        if (l > size)
-            l = size;
-        memcpy(buf, f->buf + f->buf_index, l);
-        f->buf_index += l;
-        buf += l;
-        size -= l;
-    }
-    return size1 - size;
-}
-
-int qemu_get_byte(QEMUFile *f)
-{
-    if (f->buf_index >= f->buf_size) {
-        qemu_fill_buffer(f);
-        if (f->buf_index >= f->buf_size)
-            return 0;
-    }
-    return f->buf[f->buf_index++];
-}
-
-int64_t qemu_ftell(QEMUFile *f)
-{
-    return f->buf_offset - f->buf_size + f->buf_index;
-}
-
-int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
-{
-    if (whence == SEEK_SET) {
-        /* nothing to do */
-    } else if (whence == SEEK_CUR) {
-        pos += qemu_ftell(f);
-    } else {
-        /* SEEK_END not supported */
-        return -1;
-    }
-    if (f->is_writable) {
-        qemu_fflush(f);
-        f->buf_offset = pos;
-    } else {
-        f->buf_offset = pos;
-        f->buf_index = 0;
-        f->buf_size = 0;
-    }
-    return pos;
-}
-
-void qemu_put_be16(QEMUFile *f, unsigned int v)
-{
-    qemu_put_byte(f, v >> 8);
-    qemu_put_byte(f, v);
-}
-
-void qemu_put_be32(QEMUFile *f, unsigned int v)
-{
-    qemu_put_byte(f, v >> 24);
-    qemu_put_byte(f, v >> 16);
-    qemu_put_byte(f, v >> 8);
-    qemu_put_byte(f, v);
-}
-
-void qemu_put_be64(QEMUFile *f, uint64_t v)
-{
-    qemu_put_be32(f, v >> 32);
-    qemu_put_be32(f, v);
-}
-
-unsigned int qemu_get_be16(QEMUFile *f)
-{
-    unsigned int v;
-    v = qemu_get_byte(f) << 8;
-    v |= qemu_get_byte(f);
-    return v;
-}
-
-unsigned int qemu_get_be32(QEMUFile *f)
-{
-    unsigned int v;
-    v = qemu_get_byte(f) << 24;
-    v |= qemu_get_byte(f) << 16;
-    v |= qemu_get_byte(f) << 8;
-    v |= qemu_get_byte(f);
-    return v;
-}
-
-uint64_t qemu_get_be64(QEMUFile *f)
-{
-    uint64_t v;
-    v = (uint64_t)qemu_get_be32(f) << 32;
-    v |= qemu_get_be32(f);
-    return v;
-}
-
-void  qemu_put_struct(QEMUFile*  f, const QField*  fields, const void*  s)
-{
-    const QField*  qf = fields;
-
-    for (;;) {
-        uint8_t*  p = (uint8_t*)s + qf->offset;
-
-        switch (qf->type) {
-            case Q_FIELD_END:
-                break;
-            case Q_FIELD_BYTE:
-                qemu_put_byte(f, p[0]);
-                break;
-            case Q_FIELD_INT16:
-                qemu_put_be16(f, ((uint16_t*)p)[0]);
-                break;
-            case Q_FIELD_INT32:
-                qemu_put_be32(f, ((uint32_t*)p)[0]);
-                break;
-            case Q_FIELD_INT64:
-                qemu_put_be64(f, ((uint64_t*)p)[0]);
-                break;
-            case Q_FIELD_BUFFER:
-                if (fields[1].type != Q_FIELD_BUFFER_SIZE ||
-                    fields[2].type != Q_FIELD_BUFFER_SIZE)
-                {
-                    fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument. aborting\n",
-                            __FUNCTION__ );
-                    exit(1);
-                }
-                else
-                {
-                    uint32_t  size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset;
-
-                    qemu_put_buffer(f, p, size);
-                    qf += 2;
-                }
-                break;
-            default:
-                fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__);
-                exit(1);
-        }
-        qf++;
-    }
-}
-
-int   qemu_get_struct(QEMUFile*  f, const QField*  fields, void*  s)
-{
-    const QField*  qf = fields;
-
-    for (;;) {
-        uint8_t*  p = (uint8_t*)s + qf->offset;
-
-        switch (qf->type) {
-            case Q_FIELD_END:
-                break;
-            case Q_FIELD_BYTE:
-                p[0] = qemu_get_byte(f);
-                break;
-            case Q_FIELD_INT16:
-                ((uint16_t*)p)[0] = qemu_get_be16(f);
-                break;
-            case Q_FIELD_INT32:
-                ((uint32_t*)p)[0] = qemu_get_be32(f);
-                break;
-            case Q_FIELD_INT64:
-                ((uint64_t*)p)[0] = qemu_get_be64(f);
-                break;
-            case Q_FIELD_BUFFER:
-                if (fields[1].type != Q_FIELD_BUFFER_SIZE ||
-                    fields[2].type != Q_FIELD_BUFFER_SIZE)
-                {
-                    fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument.\n",
-                            __FUNCTION__ );
-                    return -1;
-                }
-                else
-                {
-                    uint32_t  size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset;
-                    int       ret  = qemu_get_buffer(f, p, size);
-
-                    if (ret != size) {
-                        fprintf(stderr, "%s: not enough bytes to load structure\n", __FUNCTION__);
-                        return -1;
-                    }
-                    qf += 2;
-                }
-                break;
-            default:
-                fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__);
-                exit(1);
-        }
-        qf++;
-    }
-    return 0;
-}
-
-typedef struct SaveStateEntry {
-    char idstr[256];
-    int instance_id;
-    int version_id;
-    SaveStateHandler *save_state;
-    LoadStateHandler *load_state;
-    void *opaque;
-    struct SaveStateEntry *next;
-} SaveStateEntry;
-
-static SaveStateEntry *first_se;
-
-/* TODO: Individual devices generally have very little idea about the rest
-   of the system, so instance_id should be removed/replaced.
-   Meanwhile pass -1 as instance_id if you do not already have a clearly
-   distinguishing id for all instances of your device class. */
-int register_savevm(const char *idstr,
-                    int instance_id,
-                    int version_id,
-                    SaveStateHandler *save_state,
-                    LoadStateHandler *load_state,
-                    void *opaque)
-{
-    SaveStateEntry *se, **pse;
-
-    se = qemu_malloc(sizeof(SaveStateEntry));
-    if (!se)
-        return -1;
-    pstrcpy(se->idstr, sizeof(se->idstr), idstr);
-    se->instance_id = (instance_id == -1) ? 0 : instance_id;
-    se->version_id = version_id;
-    se->save_state = save_state;
-    se->load_state = load_state;
-    se->opaque = opaque;
-    se->next = NULL;
-
-    /* add at the end of list */
-    pse = &first_se;
-    while (*pse != NULL) {
-        if (instance_id == -1
-                && strcmp(se->idstr, (*pse)->idstr) == 0
-                && se->instance_id <= (*pse)->instance_id)
-            se->instance_id = (*pse)->instance_id + 1;
-        pse = &(*pse)->next;
-    }
-    *pse = se;
-    return 0;
-}
-
-#define QEMU_VM_FILE_MAGIC   0x5145564d
-#define QEMU_VM_FILE_VERSION 0x00000002
-
-static int qemu_savevm_state(QEMUFile *f)
-{
-    SaveStateEntry *se;
-    int len, ret;
-    int64_t cur_pos, len_pos, total_len_pos;
-
-    qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
-    qemu_put_be32(f, QEMU_VM_FILE_VERSION);
-    total_len_pos = qemu_ftell(f);
-    qemu_put_be64(f, 0); /* total size */
-
-    for(se = first_se; se != NULL; se = se->next) {
-	if (se->save_state == NULL)
-	    /* this one has a loader only, for backwards compatibility */
-	    continue;
-
-        /* ID string */
-        len = strlen(se->idstr);
-        qemu_put_byte(f, len);
-        qemu_put_buffer(f, (uint8_t *)se->idstr, len);
-
-        qemu_put_be32(f, se->instance_id);
-        qemu_put_be32(f, se->version_id);
-
-        /* record size: filled later */
-        len_pos = qemu_ftell(f);
-        qemu_put_be32(f, 0);
-        se->save_state(f, se->opaque);
-
-        /* fill record size */
-        cur_pos = qemu_ftell(f);
-        len = cur_pos - len_pos - 4;
-        qemu_fseek(f, len_pos, SEEK_SET);
-        qemu_put_be32(f, len);
-        qemu_fseek(f, cur_pos, SEEK_SET);
-    }
-    cur_pos = qemu_ftell(f);
-    qemu_fseek(f, total_len_pos, SEEK_SET);
-    qemu_put_be64(f, cur_pos - total_len_pos - 8);
-    qemu_fseek(f, cur_pos, SEEK_SET);
-
-    ret = 0;
-    return ret;
-}
-
-static SaveStateEntry *find_se(const char *idstr, int instance_id)
-{
-    SaveStateEntry *se;
-
-    for(se = first_se; se != NULL; se = se->next) {
-        if (!strcmp(se->idstr, idstr) &&
-            instance_id == se->instance_id)
-            return se;
-    }
-    return NULL;
-}
-
-static int qemu_loadvm_state(QEMUFile *f)
-{
-    SaveStateEntry *se;
-    int len, ret, instance_id, record_len, version_id;
-    int64_t total_len, end_pos, cur_pos;
-    unsigned int v;
-    char idstr[256];
-
-    v = qemu_get_be32(f);
-    if (v != QEMU_VM_FILE_MAGIC)
-        goto fail;
-    v = qemu_get_be32(f);
-    if (v != QEMU_VM_FILE_VERSION) {
-    fail:
-        ret = -1;
-        goto the_end;
-    }
-    total_len = qemu_get_be64(f);
-    end_pos = total_len + qemu_ftell(f);
-    for(;;) {
-        if (qemu_ftell(f) >= end_pos)
-            break;
-        len = qemu_get_byte(f);
-        qemu_get_buffer(f, (uint8_t *)idstr, len);
-        idstr[len] = '\0';
-        instance_id = qemu_get_be32(f);
-        version_id = qemu_get_be32(f);
-        record_len = qemu_get_be32(f);
-#if 0
-        printf("idstr=%s instance=0x%x version=%d len=%d\n",
-               idstr, instance_id, version_id, record_len);
-#endif
-        cur_pos = qemu_ftell(f);
-        se = find_se(idstr, instance_id);
-        if (!se) {
-            fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
-                    instance_id, idstr);
-        } else {
-            ret = se->load_state(f, se->opaque, version_id);
-            if (ret < 0) {
-                fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
-                        instance_id, idstr);
-            }
-        }
-        /* always seek to exact end of record */
-        qemu_fseek(f, cur_pos + record_len, SEEK_SET);
-    }
-    ret = 0;
- the_end:
-    return ret;
-}
-
-/* device can contain snapshots */
-static int bdrv_can_snapshot(BlockDriverState *bs)
-{
-    return (bs &&
-            !bdrv_is_removable(bs) &&
-            !bdrv_is_read_only(bs));
-}
-
-/* device must be snapshots in order to have a reliable snapshot */
-static int bdrv_has_snapshot(BlockDriverState *bs)
-{
-    return (bs &&
-            !bdrv_is_removable(bs) &&
-            !bdrv_is_read_only(bs));
-}
-
-static BlockDriverState *get_bs_snapshots(void)
-{
-    BlockDriverState *bs;
-    int i;
-
-    if (bs_snapshots)
-        return bs_snapshots;
-    for(i = 0; i <= nb_drives; i++) {
-        bs = drives_table[i].bdrv;
-        if (bdrv_can_snapshot(bs))
-            goto ok;
-    }
-    return NULL;
- ok:
-    bs_snapshots = bs;
-    return bs;
-}
-
-static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
-                              const char *name)
-{
-    QEMUSnapshotInfo *sn_tab, *sn;
-    int nb_sns, i, ret;
-
-    ret = -ENOENT;
-    nb_sns = bdrv_snapshot_list(bs, &sn_tab);
-    if (nb_sns < 0)
-        return ret;
-    for(i = 0; i < nb_sns; i++) {
-        sn = &sn_tab[i];
-        if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
-            *sn_info = *sn;
-            ret = 0;
-            break;
-        }
-    }
-    qemu_free(sn_tab);
-    return ret;
-}
-
-void do_savevm(const char *name)
-{
-    BlockDriverState *bs, *bs1;
-    QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
-    int must_delete, ret, i;
-    BlockDriverInfo bdi1, *bdi = &bdi1;
-    QEMUFile *f;
-    int saved_vm_running;
-#ifdef _WIN32
-    struct _timeb tb;
-#else
-    struct timeval tv;
-#endif
-
-    bs = get_bs_snapshots();
-    if (!bs) {
-        term_printf("No block device can accept snapshots\n");
-        return;
-    }
-
-    /* ??? Should this occur after vm_stop?  */
-    qemu_aio_flush();
-
-    saved_vm_running = vm_running;
-    vm_stop(0);
-
-    must_delete = 0;
-    if (name) {
-        ret = bdrv_snapshot_find(bs, old_sn, name);
-        if (ret >= 0) {
-            must_delete = 1;
-        }
-    }
-    memset(sn, 0, sizeof(*sn));
-    if (must_delete) {
-        pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
-        pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
-    } else {
-        if (name)
-            pstrcpy(sn->name, sizeof(sn->name), name);
-    }
-
-    /* fill auxiliary fields */
-#ifdef _WIN32
-    _ftime(&tb);
-    sn->date_sec = tb.time;
-    sn->date_nsec = tb.millitm * 1000000;
-#else
-    gettimeofday(&tv, NULL);
-    sn->date_sec = tv.tv_sec;
-    sn->date_nsec = tv.tv_usec * 1000;
-#endif
-    sn->vm_clock_nsec = qemu_get_clock(vm_clock);
-
-    if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
-        term_printf("Device %s does not support VM state snapshots\n",
-                    bdrv_get_device_name(bs));
-        goto the_end;
-    }
-
-    /* save the VM state */
-    f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
-    if (!f) {
-        term_printf("Could not open VM state file\n");
-        goto the_end;
-    }
-    ret = qemu_savevm_state(f);
-    sn->vm_state_size = qemu_ftell(f);
-    qemu_fclose(f);
-    if (ret < 0) {
-        term_printf("Error %d while writing VM\n", ret);
-        goto the_end;
-    }
-
-    /* create the snapshots */
-
-    for(i = 0; i < nb_drives; i++) {
-        bs1 = drives_table[i].bdrv;
-        if (bdrv_has_snapshot(bs1)) {
-            if (must_delete) {
-                ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
-                if (ret < 0) {
-                    term_printf("Error while deleting snapshot on '%s'\n",
-                                bdrv_get_device_name(bs1));
-                }
-            }
-            ret = bdrv_snapshot_create(bs1, sn);
-            if (ret < 0) {
-                term_printf("Error while creating snapshot on '%s'\n",
-                            bdrv_get_device_name(bs1));
-            }
-        }
-    }
-
- the_end:
-    if (saved_vm_running)
-        vm_start();
-}
-
-void do_loadvm(const char *name)
-{
-    BlockDriverState *bs, *bs1;
-    BlockDriverInfo bdi1, *bdi = &bdi1;
-    QEMUFile *f;
-    int i, ret;
-    int saved_vm_running;
-
-    bs = get_bs_snapshots();
-    if (!bs) {
-        term_printf("No block device supports snapshots\n");
-        return;
-    }
-
-    /* Flush all IO requests so they don't interfere with the new state.  */
-    qemu_aio_flush();
-
-    saved_vm_running = vm_running;
-    vm_stop(0);
-
-    for(i = 0; i <= nb_drives; i++) {
-        bs1 = drives_table[i].bdrv;
-        if (bdrv_has_snapshot(bs1)) {
-            ret = bdrv_snapshot_goto(bs1, name);
-            if (ret < 0) {
-                if (bs != bs1)
-                    term_printf("Warning: ");
-                switch(ret) {
-                case -ENOTSUP:
-                    term_printf("Snapshots not supported on device '%s'\n",
-                                bdrv_get_device_name(bs1));
-                    break;
-                case -ENOENT:
-                    term_printf("Could not find snapshot '%s' on device '%s'\n",
-                                name, bdrv_get_device_name(bs1));
-                    break;
-                default:
-                    term_printf("Error %d while activating snapshot on '%s'\n",
-                                ret, bdrv_get_device_name(bs1));
-                    break;
-                }
-                /* fatal on snapshot block device */
-                if (bs == bs1)
-                    goto the_end;
-            }
-        }
-    }
-
-    if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
-        term_printf("Device %s does not support VM state snapshots\n",
-                    bdrv_get_device_name(bs));
-        return;
-    }
-
-    /* restore the VM state */
-    f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
-    if (!f) {
-        term_printf("Could not open VM state file\n");
-        goto the_end;
-    }
-    ret = qemu_loadvm_state(f);
-    qemu_fclose(f);
-    if (ret < 0) {
-        term_printf("Error %d while loading VM state\n", ret);
-    }
- the_end:
-    if (saved_vm_running)
-        vm_start();
-}
-
-void do_delvm(const char *name)
-{
-    BlockDriverState *bs, *bs1;
-    int i, ret;
-
-    bs = get_bs_snapshots();
-    if (!bs) {
-        term_printf("No block device supports snapshots\n");
-        return;
-    }
-
-    for(i = 0; i <= nb_drives; i++) {
-        bs1 = drives_table[i].bdrv;
-        if (bdrv_has_snapshot(bs1)) {
-            ret = bdrv_snapshot_delete(bs1, name);
-            if (ret < 0) {
-                if (ret == -ENOTSUP)
-                    term_printf("Snapshots not supported on device '%s'\n",
-                                bdrv_get_device_name(bs1));
-                else
-                    term_printf("Error %d while deleting snapshot on '%s'\n",
-                                ret, bdrv_get_device_name(bs1));
-            }
-        }
-    }
-}
-
-void do_info_snapshots(void)
-{
-    BlockDriverState *bs, *bs1;
-    QEMUSnapshotInfo *sn_tab, *sn;
-    int nb_sns, i;
-    char buf[256];
-
-    bs = get_bs_snapshots();
-    if (!bs) {
-        term_printf("No available block device supports snapshots\n");
-        return;
-    }
-    term_printf("Snapshot devices:");
-    for(i = 0; i <= nb_drives; i++) {
-        bs1 = drives_table[i].bdrv;
-        if (bdrv_has_snapshot(bs1)) {
-            if (bs == bs1)
-                term_printf(" %s", bdrv_get_device_name(bs1));
-        }
-    }
-    term_printf("\n");
-
-    nb_sns = bdrv_snapshot_list(bs, &sn_tab);
-    if (nb_sns < 0) {
-        term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
-        return;
-    }
-    term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
-    term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
-    for(i = 0; i < nb_sns; i++) {
-        sn = &sn_tab[i];
-        term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
-    }
-    qemu_free(sn_tab);
-}
-
-/***********************************************************/
-/* ram save/restore */
-/* we just avoid storing empty pages */
-static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
-{
-    int i, v;
-
-    v = buf[0];
-    for(i = 1; i < len; i++) {
-        if (buf[i] != v)
-            goto normal_save;
-    }
-    qemu_put_byte(f, 1);
-    qemu_put_byte(f, v);
-    return;
- normal_save:
-    qemu_put_byte(f, 0);
-    qemu_put_buffer(f, buf, len);
-}
-
-static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
-{
-    int v;
-
-    v = qemu_get_byte(f);
-    switch(v) {
-    case 0:
-        if (qemu_get_buffer(f, buf, len) != len)
-            return -EIO;
-        break;
-    case 1:
-        v = qemu_get_byte(f);
-        memset(buf, v, len);
-        break;
-    default:
-        return -EINVAL;
-    }
-    return 0;
-}
-
-static int ram_load_v1(QEMUFile *f, void *opaque)
-{
-    int ret;
-    ram_addr_t i;
-
-    if (qemu_get_be32(f) != phys_ram_size)
-        return -EINVAL;
-    for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
-        ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
-        if (ret)
-            return ret;
-    }
-    return 0;
-}
-
-#define BDRV_HASH_BLOCK_SIZE 1024
-#define IOBUF_SIZE 4096
-#define RAM_CBLOCK_MAGIC 0xfabe
-
-typedef struct RamCompressState {
-    z_stream zstream;
-    QEMUFile *f;
-    uint8_t buf[IOBUF_SIZE];
-} RamCompressState;
-
-static int ram_compress_open(RamCompressState *s, QEMUFile *f)
-{
-    int ret;
-    memset(s, 0, sizeof(*s));
-    s->f = f;
-    ret = deflateInit2(&s->zstream, 1,
-                       Z_DEFLATED, 15,
-                       9, Z_DEFAULT_STRATEGY);
-    if (ret != Z_OK)
-        return -1;
-    s->zstream.avail_out = IOBUF_SIZE;
-    s->zstream.next_out = s->buf;
-    return 0;
-}
-
-static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
-{
-    qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
-    qemu_put_be16(s->f, len);
-    qemu_put_buffer(s->f, buf, len);
-}
-
-static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
-{
-    int ret;
-
-    s->zstream.avail_in = len;
-    s->zstream.next_in = (uint8_t *)buf;
-    while (s->zstream.avail_in > 0) {
-        ret = deflate(&s->zstream, Z_NO_FLUSH);
-        if (ret != Z_OK)
-            return -1;
-        if (s->zstream.avail_out == 0) {
-            ram_put_cblock(s, s->buf, IOBUF_SIZE);
-            s->zstream.avail_out = IOBUF_SIZE;
-            s->zstream.next_out = s->buf;
-        }
-    }
-    return 0;
-}
-
-static void ram_compress_close(RamCompressState *s)
-{
-    int len, ret;
-
-    /* compress last bytes */
-    for(;;) {
-        ret = deflate(&s->zstream, Z_FINISH);
-        if (ret == Z_OK || ret == Z_STREAM_END) {
-            len = IOBUF_SIZE - s->zstream.avail_out;
-            if (len > 0) {
-                ram_put_cblock(s, s->buf, len);
-            }
-            s->zstream.avail_out = IOBUF_SIZE;
-            s->zstream.next_out = s->buf;
-            if (ret == Z_STREAM_END)
-                break;
-        } else {
-            goto fail;
-        }
-    }
-fail:
-    deflateEnd(&s->zstream);
-}
-
-typedef struct RamDecompressState {
-    z_stream zstream;
-    QEMUFile *f;
-    uint8_t buf[IOBUF_SIZE];
-} RamDecompressState;
-
-static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
-{
-    int ret;
-    memset(s, 0, sizeof(*s));
-    s->f = f;
-    ret = inflateInit(&s->zstream);
-    if (ret != Z_OK)
-        return -1;
-    return 0;
-}
-
-static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
-{
-    int ret, clen;
-
-    s->zstream.avail_out = len;
-    s->zstream.next_out = buf;
-    while (s->zstream.avail_out > 0) {
-        if (s->zstream.avail_in == 0) {
-            if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
-                return -1;
-            clen = qemu_get_be16(s->f);
-            if (clen > IOBUF_SIZE)
-                return -1;
-            qemu_get_buffer(s->f, s->buf, clen);
-            s->zstream.avail_in = clen;
-            s->zstream.next_in = s->buf;
-        }
-        ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
-        if (ret != Z_OK && ret != Z_STREAM_END) {
-            return -1;
-        }
-    }
-    return 0;
-}
-
-static void ram_decompress_close(RamDecompressState *s)
-{
-    inflateEnd(&s->zstream);
-}
-
-static void ram_save(QEMUFile *f, void *opaque)
-{
-    ram_addr_t i;
-    RamCompressState s1, *s = &s1;
-    uint8_t buf[10];
-
-    qemu_put_be32(f, phys_ram_size);
-    if (ram_compress_open(s, f) < 0)
-        return;
-    for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
-#if 0
-        if (tight_savevm_enabled) {
-            int64_t sector_num;
-            int j;
-
-            /* find if the memory block is available on a virtual
-               block device */
-            sector_num = -1;
-            for(j = 0; j < nb_drives; j++) {
-                sector_num = bdrv_hash_find(drives_table[j].bdrv,
-                                            phys_ram_base + i,
-					    BDRV_HASH_BLOCK_SIZE);
-                if (sector_num >= 0)
-                    break;
-            }
-            if (j == nb_drives)
-                goto normal_compress;
-            buf[0] = 1;
-            buf[1] = j;
-            cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
-            ram_compress_buf(s, buf, 10);
-        } else
-#endif
-        {
-            //        normal_compress:
-            buf[0] = 0;
-            ram_compress_buf(s, buf, 1);
-            ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
-        }
-    }
-    ram_compress_close(s);
-}
-
-static int ram_load(QEMUFile *f, void *opaque, int version_id)
-{
-    RamDecompressState s1, *s = &s1;
-    uint8_t buf[10];
-    ram_addr_t i;
-
-    if (version_id == 1)
-        return ram_load_v1(f, opaque);
-    if (version_id != 2)
-        return -EINVAL;
-    if (qemu_get_be32(f) != phys_ram_size)
-        return -EINVAL;
-    if (ram_decompress_open(s, f) < 0)
-        return -EINVAL;
-    for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
-        if (ram_decompress_buf(s, buf, 1) < 0) {
-            fprintf(stderr, "Error while reading ram block header\n");
-            goto error;
-        }
-        if (buf[0] == 0) {
-            if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
-                fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
-                goto error;
-            }
-        } else
-#if 0
-        if (buf[0] == 1) {
-            int bs_index;
-            int64_t sector_num;
-
-            ram_decompress_buf(s, buf + 1, 9);
-            bs_index = buf[1];
-            sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
-            if (bs_index >= nb_drives) {
-                fprintf(stderr, "Invalid block device index %d\n", bs_index);
-                goto error;
-            }
-            if (bdrv_read(drives_table[bs_index].bdrv, sector_num,
-	                  phys_ram_base + i,
-                          BDRV_HASH_BLOCK_SIZE / 512) < 0) {
-                fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
-                        bs_index, sector_num);
-                goto error;
-            }
-        } else
-#endif
-        {
-        error:
-            printf("Error block header\n");
-            return -EINVAL;
-        }
-    }
-    ram_decompress_close(s);
-    return 0;
-}
-
-/***********************************************************/
-/* bottom halves (can be seen as timers which expire ASAP) */
-
-struct QEMUBH {
-    QEMUBHFunc *cb;
-    void *opaque;
-    int scheduled;
-    QEMUBH *next;
-};
-
-static QEMUBH *first_bh = NULL;
-
-QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
-{
-    QEMUBH *bh;
-    bh = qemu_mallocz(sizeof(QEMUBH));
-    if (!bh)
-        return NULL;
-    bh->cb = cb;
-    bh->opaque = opaque;
-    return bh;
-}
-
-int qemu_bh_poll(void)
-{
-    QEMUBH *bh, **pbh;
-    int ret;
-
-    ret = 0;
-    for(;;) {
-        pbh = &first_bh;
-        bh = *pbh;
-        if (!bh)
-            break;
-        ret = 1;
-        *pbh = bh->next;
-        bh->scheduled = 0;
-        bh->cb(bh->opaque);
-    }
-    return ret;
-}
-
-void qemu_bh_schedule(QEMUBH *bh)
-{
-    CPUState *env = cpu_single_env;
-    if (bh->scheduled)
-        return;
-    bh->scheduled = 1;
-    bh->next = first_bh;
-    first_bh = bh;
-
-    /* stop the currently executing CPU to execute the BH ASAP */
-    if (env) {
-        cpu_interrupt(env, CPU_INTERRUPT_EXIT);
-    }
-}
-
-void qemu_bh_cancel(QEMUBH *bh)
-{
-    QEMUBH **pbh;
-    if (bh->scheduled) {
-        pbh = &first_bh;
-        while (*pbh != bh)
-            pbh = &(*pbh)->next;
-        *pbh = bh->next;
-        bh->scheduled = 0;
-    }
-}
-
-void qemu_bh_delete(QEMUBH *bh)
-{
-    qemu_bh_cancel(bh);
-    qemu_free(bh);
-}
-
-/***********************************************************/
-/* machine registration */
-
-QEMUMachine *first_machine = NULL;
-
-int qemu_register_machine(QEMUMachine *m)
-{
-    QEMUMachine **pm;
-    pm = &first_machine;
-    while (*pm != NULL)
-        pm = &(*pm)->next;
-    m->next = NULL;
-    *pm = m;
-    return 0;
-}
-
-static QEMUMachine *find_machine(const char *name)
-{
-    QEMUMachine *m;
-
-    for(m = first_machine; m != NULL; m = m->next) {
-        if (!strcmp(m->name, name))
-            return m;
-    }
-    return NULL;
-}
-
-/***********************************************************/
-/* main execution loop */
-
-static void gui_update(void *opaque)
-{
-    DisplayState *ds = opaque;
-    ds->dpy_refresh(ds);
-    qemu_mod_timer(ds->gui_timer,
-        (ds->gui_timer_interval ?
-	    ds->gui_timer_interval :
-	    GUI_REFRESH_INTERVAL)
-	+ qemu_get_clock(rt_clock));
-}
-
-struct vm_change_state_entry {
-    VMChangeStateHandler *cb;
-    void *opaque;
-    LIST_ENTRY (vm_change_state_entry) entries;
-};
-
-static LIST_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 = qemu_mallocz(sizeof (*e));
-    if (!e)
-        return NULL;
-
-    e->cb = cb;
-    e->opaque = opaque;
-    LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
-    return e;
-}
-
-void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
-{
-    LIST_REMOVE (e, entries);
-    qemu_free (e);
-}
-
-static void vm_state_notify(int running)
-{
-    VMChangeStateEntry *e;
-
-    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
-        e->cb(e->opaque, running);
-    }
-}
-
-/* XXX: support several handlers */
-static VMStopHandler *vm_stop_cb;
-static void *vm_stop_opaque;
-
-int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
-{
-    vm_stop_cb = cb;
-    vm_stop_opaque = opaque;
-    return 0;
-}
-
-void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
-{
-    vm_stop_cb = NULL;
-}
-
-void vm_start(void)
-{
-    if (!vm_running) {
-        cpu_enable_ticks();
-        vm_running = 1;
-        vm_state_notify(1);
-        qemu_rearm_alarm_timer(alarm_timer);
-    }
-}
-
-void vm_stop(int reason)
-{
-    if (vm_running) {
-        cpu_disable_ticks();
-        vm_running = 0;
-        if (reason != 0) {
-            if (vm_stop_cb) {
-                vm_stop_cb(vm_stop_opaque, reason);
-            }
-        }
-        vm_state_notify(0);
-    }
-}
-
-/* reset/shutdown handler */
-
-typedef struct QEMUResetEntry {
-    QEMUResetHandler *func;
-    void *opaque;
-    struct QEMUResetEntry *next;
-} QEMUResetEntry;
-
-static QEMUResetEntry *first_reset_entry;
-static int reset_requested;
-static int shutdown_requested;
-static int powerdown_requested;
-
-int qemu_shutdown_requested(void)
-{
-    int r = shutdown_requested;
-    shutdown_requested = 0;
-    return r;
-}
-
-int qemu_reset_requested(void)
-{
-    int r = reset_requested;
-    reset_requested = 0;
-    return r;
-}
-
-int qemu_powerdown_requested(void)
-{
-    int r = powerdown_requested;
-    powerdown_requested = 0;
-    return r;
-}
-
-void qemu_register_reset(QEMUResetHandler *func, void *opaque)
-{
-    QEMUResetEntry **pre, *re;
-
-    pre = &first_reset_entry;
-    while (*pre != NULL)
-        pre = &(*pre)->next;
-    re = qemu_mallocz(sizeof(QEMUResetEntry));
-    re->func = func;
-    re->opaque = opaque;
-    re->next = NULL;
-    *pre = re;
-}
-
-void qemu_system_reset(void)
-{
-    QEMUResetEntry *re;
-
-    /* reset all devices */
-    for(re = first_reset_entry; re != NULL; re = re->next) {
-        re->func(re->opaque);
-    }
-}
-
-void qemu_system_reset_request(void)
-{
-    if (no_reboot) {
-        shutdown_requested = 1;
-    } else {
-        reset_requested = 1;
-    }
-    if (cpu_single_env)
-        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-
-#ifdef HAS_AUDIO
-extern void  AUD_cleanup();
-#endif
-
-void qemu_system_shutdown_request(void)
-{
-    shutdown_requested = 1;
-    if (cpu_single_env)
-        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-
-void qemu_system_powerdown_request(void)
-{
-    powerdown_requested = 1;
-    if (cpu_single_env)
-        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
-}
-
-#define  MAIN_LOOP_STATS  0
-
-#if  MAIN_LOOP_STATS
-typedef struct {
-    int         counter;
-	int64_t     reset_time;       // time when counter is reset
-    int64_t     spent_time_total; // total time spent since last counter reset
-	int64_t     spent_time_min;   // minimum time spent in call
-	int64_t     spent_time_max;   // maximum time spent in call
-	int64_t     wait_time_total;  // total time spent waiting for select()
-} MainLoopStats;
-
-static __inline__ int64_t
-mainloopstats_now( void )
-{
-	return  qemu_get_clock( vm_clock );
-}
-
-static __inline__ double
-mainloopstats_to_ms( int64_t  duration )
-{
-	return duration / 1000000.;
-}
-
-static void
-mainloopstats_reset( MainLoopStats*  s )
-{
-	int64_t   now = qemu_get_clock( vm_clock );
-
-	s->counter          = 0;
-	s->reset_time       = now;
-	s->spent_time_total = 0;
-	s->wait_time_total  = 0;
-	s->spent_time_min   = INT_MAX;
-	s->spent_time_max   = 0;
-}
-
-static MainLoopStats   main_loop_stats;
-#endif  /* MAIN_LOOP_STATS */
-
-void main_loop_wait(int timeout)
-{
-    IOHandlerRecord *ioh;
-    fd_set rfds, wfds, xfds;
-    int ret, nfds;
-#ifdef _WIN32
-    int ret2, i;
-#endif
-    struct timeval tv;
-    PollingEntry *pe;
-
-#if MAIN_LOOP_STATS
-	int64   time_before = mainloopstats_now();
-	int64   time_after_select;
-#endif
-
-    /* XXX: need to suppress polling by better using win32 events */
-    ret = 0;
-    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
-        ret |= pe->func(pe->opaque);
-    }
-#ifdef _WIN32
-    if (ret == 0) {
-        int err;
-        WaitObjects *w = &wait_objects;
-
-        ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
-        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
-            if (w->func[ret - WAIT_OBJECT_0])
-                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
-
-            /* Check for additional signaled events */
-            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
-
-                /* Check if event is signaled */
-                ret2 = WaitForSingleObject(w->events[i], 0);
-                if(ret2 == WAIT_OBJECT_0) {
-                    if (w->func[i])
-                        w->func[i](w->opaque[i]);
-                } else if (ret2 == WAIT_TIMEOUT) {
-                } else {
-                    err = GetLastError();
-                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
-                }
-            }
-        } else if (ret == WAIT_TIMEOUT) {
-        } else {
-            err = GetLastError();
-            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
-        }
-    }
-#endif
-    /* poll any events */
-    /* XXX: separate device handlers from system ones */
-    nfds = -1;
-    FD_ZERO(&rfds);
-    FD_ZERO(&wfds);
-    FD_ZERO(&xfds);
-    for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
-        if (ioh->deleted)
-            continue;
-        if (ioh->fd_read &&
-            (!ioh->fd_read_poll ||
-             ioh->fd_read_poll(ioh->opaque) != 0)) {
-            FD_SET(ioh->fd, &rfds);
-            if (ioh->fd > nfds)
-                nfds = ioh->fd;
-        }
-        if (ioh->fd_write) {
-            FD_SET(ioh->fd, &wfds);
-            if (ioh->fd > nfds)
-                nfds = ioh->fd;
-        }
-    }
-
-    tv.tv_sec = 0;
-#ifdef _WIN32
-    tv.tv_usec = 0;
-#else
-    tv.tv_usec = timeout * 1000;
-#endif
-#if defined(CONFIG_SLIRP)
-    if (slirp_inited) {
-        slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
-    }
-#endif
-    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
-#if MAIN_LOOP_STATS
-	time_after_select = mainloopstats_now();
-#endif
-    if (ret > 0) {
-        IOHandlerRecord **pioh;
-
-        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
-            if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
-                ioh->fd_read(ioh->opaque);
-            }
-            if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
-                ioh->fd_write(ioh->opaque);
-            }
-        }
-
-	/* remove deleted IO handlers */
-	pioh = &first_io_handler;
-	while (*pioh) {
-            ioh = *pioh;
-            if (ioh->deleted) {
-                *pioh = ioh->next;
-                qemu_free(ioh);
-            } else
-                pioh = &ioh->next;
-        }
-    }
-#if defined(CONFIG_SLIRP)
-    if (slirp_inited) {
-        if (ret < 0) {
-            FD_ZERO(&rfds);
-            FD_ZERO(&wfds);
-            FD_ZERO(&xfds);
-        }
-        slirp_select_poll(&rfds, &wfds, &xfds);
-    }
-#endif
-    charpipe_poll();
-
-    if (vm_running) {
-        if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
-        qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
-                        qemu_get_clock(vm_clock));
-        /* run dma transfers, if any */
-        DMA_run();
-    }
-
-    /* real time timers */
-    qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
-                    qemu_get_clock(rt_clock));
-
-    if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
-        alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
-        qemu_rearm_alarm_timer(alarm_timer);
-    }
-
-    /* Check bottom-halves last in case any of the earlier events triggered
-       them.  */
-    qemu_bh_poll();
-
-#if MAIN_LOOP_STATS
-	{
-		MainLoopStats*  s = &main_loop_stats;
-		int64_t         time_after = mainloopstats_now();
-		int64_t         time_diff  = time_after - time_before;
-
-		s->spent_time_total += time_diff;
-		if (time_diff < s->spent_time_min)
-			s->spent_time_min = time_diff;
-	    if (time_diff > s->spent_time_max)
-		    s->spent_time_max = time_diff;
-
-		time_diff = time_after_select - time_before;
-		s->wait_time_total += time_diff;
-
-		if (++s->counter == 1000) {
-			double  period        = time_after - s->reset_time;
-			double  average_spent = s->spent_time_total * 1. / s->counter;
-			double  average_wait  = s->wait_time_total * 1. / s->counter;
-
-			printf( "main loop stats:  iterations: %8ld,  period: %10.2f ms, avg wait time: %10.2f ms  (%.3f %%), avg exec time %10.2f ms (%.3f %%)\n",
-			        s->counter,
-					mainloopstats_to_ms(period),
-					mainloopstats_to_ms(average_wait),
-					s->wait_time_total * 100. / period,
-					mainloopstats_to_ms(average_spent),
-					s->spent_time_total * 100. / period );
-
-			mainloopstats_reset( s );
-		}
-	}
-#endif  /* MAIN_LOOP_STATS */
-}
-
-static int main_loop(void)
-{
-    int ret, timeout;
-#ifdef CONFIG_PROFILER
-    int64_t ti;
-#endif
-    CPUState *env;
-
-    cur_cpu = first_cpu;
-    next_cpu = cur_cpu->next_cpu ?: first_cpu;
-    for(;;) {
-        if (vm_running) {
-
-            for(;;) {
-                /* get next cpu */
-                env = next_cpu;
-#ifdef CONFIG_PROFILER
-                ti = profile_getclock();
-#endif
-                if (use_icount) {
-                    int64_t count;
-                    int decr;
-                    qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
-                    env->icount_decr.u16.low = 0;
-                    env->icount_extra = 0;
-                    count = qemu_next_deadline();
-                    count = (count + (1 << icount_time_shift) - 1)
-                            >> icount_time_shift;
-                    qemu_icount += count;
-                    decr = (count > 0xffff) ? 0xffff : count;
-                    count -= decr;
-                    env->icount_decr.u16.low = decr;
-                    env->icount_extra = count;
-                }
-                ret = cpu_exec(env);
-#ifdef CONFIG_PROFILER
-                qemu_time += profile_getclock() - ti;
-#endif
-                if (use_icount) {
-                    /* Fold pending instructions back into the
-                       instruction counter, and clear the interrupt flag.  */
-                    qemu_icount -= (env->icount_decr.u16.low
-                                    + env->icount_extra);
-                    env->icount_decr.u32 = 0;
-                    env->icount_extra = 0;
-                }
-                next_cpu = env->next_cpu ?: first_cpu;
-                if (event_pending && likely(ret != EXCP_DEBUG)) {
-                    ret = EXCP_INTERRUPT;
-                    event_pending = 0;
-                    break;
-                }
-                if (ret == EXCP_HLT) {
-                    /* Give the next CPU a chance to run.  */
-                    cur_cpu = env;
-                    continue;
-                }
-                if (ret != EXCP_HALTED)
-                    break;
-                /* all CPUs are halted ? */
-                if (env == cur_cpu)
-                    break;
-            }
-            cur_cpu = env;
-
-#ifdef CONFIG_TRACE
-            if (tbflush_requested) {
-                tbflush_requested = 0;
-                tb_flush(env);
-                ret = EXCP_INTERRUPT;
-            } else if (exit_requested)
-				goto ExitRequested;
-#endif
-
-            if (shutdown_requested) {
-                ret = EXCP_INTERRUPT;
-                if (no_shutdown) {
-                    vm_stop(0);
-                    no_shutdown = 0;
-                }
-                else
-                    break;
-            }
-            if (reset_requested) {
-                reset_requested = 0;
-                qemu_system_reset();
-                ret = EXCP_INTERRUPT;
-            }
-            if (powerdown_requested) {
-                powerdown_requested = 0;
-		qemu_system_powerdown();
-                ret = EXCP_INTERRUPT;
-            }
-            if (unlikely(ret == EXCP_DEBUG)) {
-                vm_stop(EXCP_DEBUG);
-            }
-            /* If all cpus are halted then wait until the next IRQ */
-            /* XXX: use timeout computed from timers */
-            if (ret == EXCP_HALTED) {
-                if (use_icount) {
-                    int64_t add;
-                    int64_t delta;
-                    /* Advance virtual time to the next event.  */
-                    if (use_icount == 1) {
-                        /* When not using an adaptive execution frequency
-                           we tend to get badly out of sync with real time,
-                           so just delay for a reasonable amount of time.  */
-                        delta = 0;
-                    } else {
-                        delta = cpu_get_icount() - cpu_get_clock();
-                    }
-                    if (delta > 0) {
-                        /* If virtual time is ahead of real time then just
-                           wait for IO.  */
-                        timeout = (delta / 1000000) + 1;
-                    } else {
-                        /* Wait for either IO to occur or the next
-                           timer event.  */
-                        add = qemu_next_deadline();
-                        /* We advance the timer before checking for IO.
-                           Limit the amount we advance so that early IO
-                           activity won't get the guest too far ahead.  */
-                        if (add > 10000000)
-                            add = 10000000;
-                        delta += add;
-                        add = (add + (1 << icount_time_shift) - 1)
-                              >> icount_time_shift;
-                        qemu_icount += add;
-                        timeout = delta / 1000000;
-                        if (timeout < 0)
-                            timeout = 0;
-                    }
-                } else {
-                    timeout = 10;
-                }
-            } else {
-                timeout = 0;
-            }
-        } else {
-            if (shutdown_requested)
-                break;
-            timeout = 10;
-        }
-#ifdef CONFIG_PROFILER
-        ti = profile_getclock();
-#endif
-        main_loop_wait(timeout);
-#ifdef CONFIG_PROFILER
-        dev_time += profile_getclock() - ti;
-#endif
-    }
-    cpu_disable_ticks();
-    return ret;
-
-#ifdef CONFIG_TRACE
-ExitRequested:
-#  ifdef HAS_AUDIO
-    AUD_cleanup();
-#  endif
-    exit(1);
-	return 0;
-#endif
-}
-
-static void help(int exitcode)
-{
-    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
-           "usage: %s [options] [disk_image]\n"
-           "\n"
-           "'disk_image' is a raw hard image image for IDE hard disk 0\n"
-           "\n"
-           "Standard options:\n"
-           "-M machine      select emulated machine (-M ? for list)\n"
-           "-cpu cpu        select CPU (-cpu ? for list)\n"
-           "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
-           "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
-           "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
-           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
-	   "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
-           "       [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
-           "       [,cache=on|off][,format=f]\n"
-	   "                use 'file' as a drive image\n"
-           "-mtdblock file  use 'file' as on-board Flash memory image\n"
-           "-sd file        use 'file' as SecureDigital card image\n"
-           "-pflash file    use 'file' as a parallel flash image\n"
-           "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
-           "-snapshot       write to temporary files instead of disk image files\n"
-#ifdef CONFIG_SDL
-           "-no-frame       open SDL window without a frame and window decorations\n"
-           "-alt-grab       use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
-           "-no-quit        disable SDL window close capability\n"
-#endif
-#ifdef TARGET_I386
-           "-no-fd-bootchk  disable boot signature checking for floppy disks\n"
-#endif
-           "-m megs         set virtual RAM size to megs MB [default=%d]\n"
-           "-smp n          set the number of CPUs to 'n' [default=1]\n"
-           "-nographic      disable graphical output and redirect serial I/Os to console\n"
-           "-portrait       rotate graphical output 90 deg left (only PXA LCD)\n"
-#ifndef _WIN32
-           "-k language     use keyboard layout (for example \"fr\" for French)\n"
-#endif
-#ifdef HAS_AUDIO
-           "-audio-help     print list of audio drivers and their options\n"
-           "-soundhw c1,... enable audio support\n"
-           "                and only specified sound cards (comma separated list)\n"
-           "                use -soundhw ? to get the list of supported cards\n"
-           "                use -soundhw all to enable all of them\n"
-#endif
-           "-localtime      set the real time clock to local time [default=utc]\n"
-           "-full-screen    start in full screen\n"
-#ifdef TARGET_I386
-           "-win2k-hack     use it when installing Windows 2000 to avoid a disk full bug\n"
-#endif
-           "-usb            enable the USB driver (will be the default soon)\n"
-           "-usbdevice name add the host or guest USB device 'name'\n"
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
-           "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
-#endif
-           "-name string    set the name of the guest\n"
-           "\n"
-           "Network options:\n"
-           "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
-           "                create a new Network Interface Card and connect it to VLAN 'n'\n"
-#ifdef CONFIG_SLIRP
-           "-net user[,vlan=n][,hostname=host]\n"
-           "                connect the user mode network stack to VLAN 'n' and send\n"
-           "                hostname 'host' to DHCP clients\n"
-#endif
-#ifdef _WIN32
-           "-net tap[,vlan=n],ifname=name\n"
-           "                connect the host TAP network interface to VLAN 'n'\n"
-#else
-           "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
-           "                connect the host TAP network interface to VLAN 'n' and use the\n"
-           "                network scripts 'file' (default=%s)\n"
-           "                and 'dfile' (default=%s);\n"
-           "                use '[down]script=no' to disable script execution;\n"
-           "                use 'fd=h' to connect to an already opened TAP interface\n"
-#endif
-           "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
-           "                connect the vlan 'n' to another VLAN using a socket connection\n"
-           "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
-           "                connect the vlan 'n' to multicast maddr and port\n"
-           "-net none       use it alone to have zero network devices; if no -net option\n"
-           "                is provided, the default is '-net nic -net user'\n"
-           "\n"
-#ifdef CONFIG_SLIRP
-           "-tftp dir       allow tftp access to files in dir [-net user]\n"
-           "-bootp file     advertise file in BOOTP replies\n"
-#ifndef _WIN32
-           "-smb dir        allow SMB access to files in 'dir' [-net user]\n"
-#endif
-           "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
-           "                redirect TCP or UDP connections from host to guest [-net user]\n"
-#endif
-           "\n"
-           "Linux boot specific:\n"
-           "-kernel bzImage use 'bzImage' as kernel image\n"
-           "-append cmdline use 'cmdline' as kernel command line\n"
-           "-initrd file    use 'file' as initial ram disk\n"
-           "\n"
-           "Debug/Expert options:\n"
-           "-monitor dev    redirect the monitor to char device 'dev'\n"
-           "-serial dev     redirect the serial port to char device 'dev'\n"
-           "-parallel dev   redirect the parallel port to char device 'dev'\n"
-           "-pidfile file   Write PID to 'file'\n"
-           "-S              freeze CPU at startup (use 'c' to start execution)\n"
-           "-s              wait gdb connection to port\n"
-           "-p port         set gdb connection port [default=%s]\n"
-           "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
-           "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
-           "                translation (t=none or lba) (usually qemu can guess them)\n"
-           "-L path         set the directory for the BIOS, VGA BIOS and keymaps\n"
-#ifdef USE_KQEMU
-           "-kernel-kqemu   enable KQEMU full virtualization (default is user mode only)\n"
-           "-no-kqemu       disable KQEMU kernel module usage\n"
-#endif
-#ifdef TARGET_I386
-           "-std-vga        simulate a standard VGA card with VESA Bochs Extensions\n"
-           "                (default is CL-GD5446 PCI VGA)\n"
-           "-no-acpi        disable ACPI\n"
-#endif
-#ifdef CONFIG_CURSES
-           "-curses         use a curses/ncurses interface instead of SDL\n"
-#endif
-           "-no-reboot      exit instead of rebooting\n"
-           "-no-shutdown    stop before shutdown\n"
-           "-loadvm [tag|id]  start right away with a saved state (loadvm in monitor)\n"
-	   "-vnc display    start a VNC server on display\n"
-#ifdef CONFIG_TRACE
-	   "-trace file     create an execution trace in 'file' (implies -tracing on)\n"
-	   "-tracing off    start with tracing off\n"
-	   "-trace_miss     include tracing of cache miss addresses\n"
-	   "-trace_addr     include tracing of all load/store addresses\n"
-	   "-dcache_load_miss cycles\n"
-           "                set the dcache load miss penalty to 'cycles'\n"
-	   "-dcache_store_miss cycles\n"
-           "                set the dcache store miss penalty to 'cycles'\n"
-#endif
-#ifdef CONFIG_NAND
-           "-nand name[,readonly][,size=size][,pagesize=size][,extrasize=size][,erasepages=pages][,initfile=file][,file=file]"
-#endif
-#ifndef _WIN32
-	   "-daemonize      daemonize QEMU after initializing\n"
-#endif
-	   "-option-rom rom load a file, rom, into the option ROM space\n"
-#ifdef TARGET_SPARC
-           "-prom-env variable=value  set OpenBIOS nvram variables\n"
-#endif
-           "-clock          force the use of the given methods for timer alarm.\n"
-           "                To see what timers are available use -clock ?\n"
-           "-startdate      select initial date of the clock\n"
-           "-icount [N|auto]\n"
-           "                Enable virtual instruction counter with 2^N clock ticks per instruction\n"
-           "\n"
-           "During 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"
-           ,
-           "qemu",
-           DEFAULT_RAM_SIZE,
-#ifndef _WIN32
-           DEFAULT_NETWORK_SCRIPT,
-           DEFAULT_NETWORK_DOWN_SCRIPT,
-#endif
-           DEFAULT_GDBSTUB_PORT,
-           "/tmp/qemu.log");
-    exit(exitcode);
-}
-
-#define HAS_ARG 0x0001
-
-enum {
-    QEMU_OPTION_h,
-
-    QEMU_OPTION_M,
-    QEMU_OPTION_cpu,
-    QEMU_OPTION_fda,
-    QEMU_OPTION_fdb,
-    QEMU_OPTION_hda,
-    QEMU_OPTION_hdb,
-    QEMU_OPTION_hdc,
-    QEMU_OPTION_hdd,
-    QEMU_OPTION_drive,
-    QEMU_OPTION_cdrom,
-    QEMU_OPTION_mtdblock,
-    QEMU_OPTION_sd,
-    QEMU_OPTION_pflash,
-    QEMU_OPTION_boot,
-    QEMU_OPTION_snapshot,
-#ifdef TARGET_I386
-    QEMU_OPTION_no_fd_bootchk,
-#endif
-    QEMU_OPTION_m,
-    QEMU_OPTION_nographic,
-    QEMU_OPTION_portrait,
-#ifdef HAS_AUDIO
-    QEMU_OPTION_audio_help,
-    QEMU_OPTION_soundhw,
-#endif
-
-    QEMU_OPTION_net,
-    QEMU_OPTION_tftp,
-    QEMU_OPTION_bootp,
-    QEMU_OPTION_smb,
-    QEMU_OPTION_redir,
-
-    QEMU_OPTION_kernel,
-    QEMU_OPTION_append,
-    QEMU_OPTION_initrd,
-
-    QEMU_OPTION_S,
-    QEMU_OPTION_s,
-    QEMU_OPTION_p,
-    QEMU_OPTION_d,
-    QEMU_OPTION_hdachs,
-    QEMU_OPTION_L,
-    QEMU_OPTION_bios,
-    QEMU_OPTION_k,
-    QEMU_OPTION_localtime,
-    QEMU_OPTION_cirrusvga,
-    QEMU_OPTION_vmsvga,
-    QEMU_OPTION_g,
-    QEMU_OPTION_std_vga,
-    QEMU_OPTION_echr,
-    QEMU_OPTION_monitor,
-    QEMU_OPTION_serial,
-    QEMU_OPTION_parallel,
-    QEMU_OPTION_loadvm,
-    QEMU_OPTION_full_screen,
-    QEMU_OPTION_no_frame,
-    QEMU_OPTION_alt_grab,
-    QEMU_OPTION_no_quit,
-    QEMU_OPTION_pidfile,
-    QEMU_OPTION_no_kqemu,
-    QEMU_OPTION_kernel_kqemu,
-    QEMU_OPTION_win2k_hack,
-    QEMU_OPTION_usb,
-    QEMU_OPTION_usbdevice,
-    QEMU_OPTION_smp,
-    QEMU_OPTION_vnc,
-    QEMU_OPTION_no_acpi,
-    QEMU_OPTION_curses,
-    QEMU_OPTION_no_reboot,
-    QEMU_OPTION_no_shutdown,
-    QEMU_OPTION_show_cursor,
-    QEMU_OPTION_daemonize,
-    QEMU_OPTION_option_rom,
-    QEMU_OPTION_semihosting,
-    QEMU_OPTION_name,
-    QEMU_OPTION_prom_env,
-    QEMU_OPTION_old_param,
-    QEMU_OPTION_noaudio,
-    QEMU_OPTION_mic,
-#ifdef CONFIG_TRACE
-    QEMU_OPTION_trace_file,
-    QEMU_OPTION_tracing,
-    QEMU_OPTION_trace_miss,
-    QEMU_OPTION_trace_addr,
-    QEMU_OPTION_dcache_load_miss,
-    QEMU_OPTION_dcache_store_miss,
-#endif
-#ifdef CONFIG_NAND
-    QEMU_OPTION_nand,
-#endif
-    QEMU_OPTION_clock,
-    QEMU_OPTION_startdate,
-    QEMU_OPTION_tb_size,
-    QEMU_OPTION_icount,
-};
-
-typedef struct QEMUOption {
-    const char *name;
-    int flags;
-    int index;
-} QEMUOption;
-
-const QEMUOption qemu_options[] = {
-    { "h", 0, QEMU_OPTION_h },
-    { "help", 0, QEMU_OPTION_h },
-
-    { "M", HAS_ARG, QEMU_OPTION_M },
-    { "cpu", HAS_ARG, QEMU_OPTION_cpu },
-    { "fda", HAS_ARG, QEMU_OPTION_fda },
-    { "fdb", HAS_ARG, QEMU_OPTION_fdb },
-    { "hda", HAS_ARG, QEMU_OPTION_hda },
-    { "hdb", HAS_ARG, QEMU_OPTION_hdb },
-    { "hdc", HAS_ARG, QEMU_OPTION_hdc },
-    { "hdd", HAS_ARG, QEMU_OPTION_hdd },
-    { "drive", HAS_ARG, QEMU_OPTION_drive },
-    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
-    { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
-    { "sd", HAS_ARG, QEMU_OPTION_sd },
-    { "pflash", HAS_ARG, QEMU_OPTION_pflash },
-    { "boot", HAS_ARG, QEMU_OPTION_boot },
-    { "snapshot", 0, QEMU_OPTION_snapshot },
-#ifdef TARGET_I386
-    { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
-#endif
-    { "m", HAS_ARG, QEMU_OPTION_m },
-    { "nographic", 0, QEMU_OPTION_nographic },
-    { "portrait", 0, QEMU_OPTION_portrait },
-    { "k", HAS_ARG, QEMU_OPTION_k },
-#ifdef HAS_AUDIO
-    { "audio-help", 0, QEMU_OPTION_audio_help },
-    { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
-#endif
-
-    { "net", HAS_ARG, QEMU_OPTION_net},
-#ifdef CONFIG_SLIRP
-    { "tftp", HAS_ARG, QEMU_OPTION_tftp },
-    { "bootp", HAS_ARG, QEMU_OPTION_bootp },
-#ifndef _WIN32
-    { "smb", HAS_ARG, QEMU_OPTION_smb },
-#endif
-    { "redir", HAS_ARG, QEMU_OPTION_redir },
-#endif
-
-    { "kernel", HAS_ARG, QEMU_OPTION_kernel },
-    { "append", HAS_ARG, QEMU_OPTION_append },
-    { "initrd", HAS_ARG, QEMU_OPTION_initrd },
-
-    { "S", 0, QEMU_OPTION_S },
-    { "s", 0, QEMU_OPTION_s },
-    { "p", HAS_ARG, QEMU_OPTION_p },
-    { "d", HAS_ARG, QEMU_OPTION_d },
-    { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
-    { "L", HAS_ARG, QEMU_OPTION_L },
-    { "bios", HAS_ARG, QEMU_OPTION_bios },
-#ifdef USE_KQEMU
-    { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
-    { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
-#endif
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
-    { "g", HAS_ARG, QEMU_OPTION_g },
-#endif
-    { "localtime", 0, QEMU_OPTION_localtime },
-    { "std-vga", 0, QEMU_OPTION_std_vga },
-    { "echr", HAS_ARG, QEMU_OPTION_echr },
-    { "monitor", HAS_ARG, QEMU_OPTION_monitor },
-    { "serial", HAS_ARG, QEMU_OPTION_serial },
-    { "parallel", HAS_ARG, QEMU_OPTION_parallel },
-    { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
-    { "full-screen", 0, QEMU_OPTION_full_screen },
-#ifdef CONFIG_SDL
-    { "no-frame", 0, QEMU_OPTION_no_frame },
-    { "alt-grab", 0, QEMU_OPTION_alt_grab },
-    { "no-quit", 0, QEMU_OPTION_no_quit },
-#endif
-    { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
-    { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
-    { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
-    { "smp", HAS_ARG, QEMU_OPTION_smp },
-    { "vnc", HAS_ARG, QEMU_OPTION_vnc },
-#ifdef CONFIG_CURSES
-    { "curses", 0, QEMU_OPTION_curses },
-#endif
-
-    /* temporary options */
-    { "usb", 0, QEMU_OPTION_usb },
-    { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
-    { "vmwarevga", 0, QEMU_OPTION_vmsvga },
-    { "no-acpi", 0, QEMU_OPTION_no_acpi },
-    { "no-reboot", 0, QEMU_OPTION_no_reboot },
-    { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
-    { "show-cursor", 0, QEMU_OPTION_show_cursor },
-    { "daemonize", 0, QEMU_OPTION_daemonize },
-    { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
-    { "semihosting", 0, QEMU_OPTION_semihosting },
-#endif
-    { "name", HAS_ARG, QEMU_OPTION_name },
-#if defined(TARGET_SPARC)
-    { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
-#endif
-#if defined(TARGET_ARM)
-    { "old-param", 0, QEMU_OPTION_old_param },
-#endif
-
-    /* android stuff */
-    { "noaudio", 0, QEMU_OPTION_noaudio },
-    { "mic", HAS_ARG, QEMU_OPTION_mic },
-#ifdef CONFIG_TRACE
-    { "trace", HAS_ARG, QEMU_OPTION_trace_file },
-    { "tracing", HAS_ARG, QEMU_OPTION_tracing },
-    { "trace_miss", 0, QEMU_OPTION_trace_miss },
-    { "trace_addr", 0, QEMU_OPTION_trace_addr },
-    { "dcache_load_miss", HAS_ARG, QEMU_OPTION_dcache_load_miss },
-    { "dcache_store_miss", HAS_ARG, QEMU_OPTION_dcache_store_miss },
-#endif
-#ifdef CONFIG_NAND
-    { "nand", HAS_ARG, QEMU_OPTION_nand },
-#endif
-    { "clock", HAS_ARG, QEMU_OPTION_clock },
-    { NULL, 0, 0 },
-};
-
-/* password input */
-
-int qemu_key_check(BlockDriverState *bs, const char *name)
-{
-    char password[256];
-    int i;
-
-    if (!bdrv_is_encrypted(bs))
-        return 0;
-
-    term_printf("%s is encrypted.\n", name);
-    for(i = 0; i < 3; i++) {
-        monitor_readline("Password: ", 1, password, sizeof(password));
-        if (bdrv_set_key(bs, password) == 0)
-            return 0;
-        term_printf("invalid password\n");
-    }
-    return -EPERM;
-}
-
-static BlockDriverState *get_bdrv(int index)
-{
-    if (index > nb_drives)
-        return NULL;
-    return drives_table[index].bdrv;
-}
-
-static void read_passwords(void)
-{
-    BlockDriverState *bs;
-    int i;
-
-    for(i = 0; i < 6; i++) {
-        bs = get_bdrv(i);
-        if (bs)
-            qemu_key_check(bs, bdrv_get_device_name(bs));
-    }
-}
-
-#ifdef HAS_AUDIO
-struct soundhw soundhw[] = {
-#if 0  /* ANDROID */
-#ifdef TARGET_I386
-    {
-        "pcspk",
-        "PC speaker",
-        0,
-        1,
-        { .init_isa = pcspk_audio_init }
-    },
-#endif
-    {
-        "sb16",
-        "Creative Sound Blaster 16",
-        0,
-        1,
-        { .init_isa = SB16_init }
-    },
-
-#ifdef CONFIG_CS4231A
-    {
-        "cs4231a",
-        "CS4231A",
-        0,
-        1,
-        { .init_isa = cs4231a_init }
-    },
-#endif
-
-#ifdef CONFIG_ADLIB
-    {
-        "adlib",
-#ifdef HAS_YMF262
-        "Yamaha YMF262 (OPL3)",
-#else
-        "Yamaha YM3812 (OPL2)",
-#endif
-        0,
-        1,
-        { .init_isa = Adlib_init }
-    },
-#endif
-
-#ifdef CONFIG_GUS
-    {
-        "gus",
-        "Gravis Ultrasound GF1",
-        0,
-        1,
-        { .init_isa = GUS_init }
-    },
-#endif
-
-#ifdef CONFIG_AC97
-    {
-        "ac97",
-        "Intel 82801AA AC97 Audio",
-        0,
-        0,
-        { .init_pci = ac97_init }
-    },
-#endif
-
-    {
-        "es1370",
-        "ENSONIQ AudioPCI ES1370",
-        0,
-        0,
-        { .init_pci = es1370_init }
-    },
-#endif /* ANDROID */
-
-    { NULL, NULL, 0, 0, { NULL } }
-};
-
-static void select_soundhw (const char *optarg)
-{
-    struct soundhw *c;
-
-    if (*optarg == '?') {
-    show_valid_cards:
-
-        printf ("Valid sound card names (comma separated):\n");
-        for (c = soundhw; c->name; ++c) {
-            printf ("%-11s %s\n", c->name, c->descr);
-        }
-        printf ("\n-soundhw all will enable all of the above\n");
-        exit (*optarg != '?');
-    }
-    else {
-        size_t l;
-        const char *p;
-        char *e;
-        int bad_card = 0;
-
-        if (!strcmp (optarg, "all")) {
-            for (c = soundhw; c->name; ++c) {
-                c->enabled = 1;
-            }
-            return;
-        }
-
-        p = optarg;
-        while (*p) {
-            e = strchr (p, ',');
-            l = !e ? strlen (p) : (size_t) (e - p);
-
-            for (c = soundhw; c->name; ++c) {
-                if (!strncmp (c->name, p, l)) {
-                    c->enabled = 1;
-                    break;
-                }
-            }
-
-            if (!c->name) {
-                if (l > 80) {
-                    fprintf (stderr,
-                             "Unknown sound card name (too big to show)\n");
-                }
-                else {
-                    fprintf (stderr, "Unknown sound card name `%.*s'\n",
-                             (int) l, p);
-                }
-                bad_card = 1;
-            }
-            p += l + (e != NULL);
-        }
-
-        if (bad_card)
-            goto show_valid_cards;
-    }
-}
-#endif
-
-#ifdef _WIN32
-static BOOL WINAPI qemu_ctrl_handler(DWORD type)
-{
-    exit(STATUS_CONTROL_C_EXIT);
-    return TRUE;
-}
-#endif
-
-#define MAX_NET_CLIENTS 32
-
-#ifndef _WIN32
-
-static void termsig_handler(int signal)
-{
-    qemu_system_shutdown_request();
-}
-
-static void termsig_setup(void)
-{
-    struct sigaction act;
-
-    memset(&act, 0, sizeof(act));
-    act.sa_handler = termsig_handler;
-    sigaction(SIGINT,  &act, NULL);
-    sigaction(SIGHUP,  &act, NULL);
-    sigaction(SIGTERM, &act, NULL);
-}
-
-#endif
-
-int main(int argc, char **argv)
-{
-#ifdef CONFIG_GDBSTUB
-    int use_gdbstub;
-    const char *gdbstub_port;
-#endif
-    uint32_t boot_devices_bitmap = 0;
-    int i;
-    int snapshot, linux_boot, net_boot;
-    const char *initrd_filename;
-    const char *kernel_filename, *kernel_cmdline;
-    const char *boot_devices = "";
-    DisplayState *ds = &display_state;
-    int cyls, heads, secs, translation;
-    const char *net_clients[MAX_NET_CLIENTS];
-    int nb_net_clients;
-    int hda_index;
-    int optind;
-    const char *r, *optarg;
-    CharDriverState *monitor_hd;
-    const char *monitor_device;
-    const char *serial_devices[MAX_SERIAL_PORTS];
-    int serial_device_index;
-    const char *parallel_devices[MAX_PARALLEL_PORTS];
-    int parallel_device_index;
-    const char *loadvm = NULL;
-    QEMUMachine *machine;
-    const char *cpu_model;
-    const char *usb_devices[MAX_USB_CMDLINE];
-    int usb_devices_index;
-    int fds[2];
-    int tb_size;
-    const char *pid_file = NULL;
-    VLANState *vlan;
-
-    LIST_INIT (&vm_change_state_head);
-#ifndef _WIN32
-    {
-        struct sigaction act;
-        sigfillset(&act.sa_mask);
-        act.sa_flags = 0;
-        act.sa_handler = SIG_IGN;
-        sigaction(SIGPIPE, &act, NULL);
-    }
-#else
-    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
-    /* Note: cpu_interrupt() is currently not SMP safe, so we force
-       QEMU to run on a single CPU */
-    {
-        HANDLE h;
-        DWORD mask, smask;
-        int i;
-        h = GetCurrentProcess();
-        if (GetProcessAffinityMask(h, &mask, &smask)) {
-            for(i = 0; i < 32; i++) {
-                if (mask & (1 << i))
-                    break;
-            }
-            if (i != 32) {
-                mask = 1 << i;
-                SetProcessAffinityMask(h, mask);
-            }
-        }
-    }
-#endif
-
-    register_machines();
-    machine = first_machine;
-    cpu_model = NULL;
-    initrd_filename = NULL;
-    ram_size = 0;
-    vga_ram_size = VGA_RAM_SIZE;
-#ifdef CONFIG_GDBSTUB
-    use_gdbstub = 0;
-    gdbstub_port = DEFAULT_GDBSTUB_PORT;
-#endif
-    snapshot = 0;
-    nographic = 0;
-    curses = 0;
-    kernel_filename = NULL;
-    kernel_cmdline = "";
-    cyls = heads = secs = 0;
-    translation = BIOS_ATA_TRANSLATION_AUTO;
-    monitor_device = "vc";
-
-    serial_devices[0] = "vc:80Cx24C";
-    for(i = 1; i < MAX_SERIAL_PORTS; i++)
-        serial_devices[i] = NULL;
-    serial_device_index = 0;
-
-    parallel_devices[0] = "vc:640x480";
-    for(i = 1; i < MAX_PARALLEL_PORTS; i++)
-        parallel_devices[i] = NULL;
-    parallel_device_index = 0;
-
-    usb_devices_index = 0;
-
-    nb_net_clients = 0;
-    nb_drives = 0;
-    nb_drives_opt = 0;
-    hda_index = -1;
-
-    nb_nics = 0;
-
-    tb_size = 0;
-	android_audio_enabled = 1;
-
-    optind = 1;
-    for(;;) {
-        if (optind >= argc)
-            break;
-        r = argv[optind];
-        if (r[0] != '-') {
-	    hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
-        } else {
-            const QEMUOption *popt;
-
-            optind++;
-            /* Treat --foo the same as -foo.  */
-            if (r[1] == '-')
-                r++;
-            popt = qemu_options;
-            for(;;) {
-                if (!popt->name) {
-                    fprintf(stderr, "%s: invalid option -- '%s'\n",
-                            argv[0], r);
-                    exit(1);
-                }
-                if (!strcmp(popt->name, r + 1))
-                    break;
-                popt++;
-            }
-            if (popt->flags & HAS_ARG) {
-                if (optind >= argc) {
-                    fprintf(stderr, "%s: option '%s' requires an argument\n",
-                            argv[0], r);
-                    exit(1);
-                }
-                optarg = argv[optind++];
-            } else {
-                optarg = NULL;
-            }
-
-            switch(popt->index) {
-            case QEMU_OPTION_M:
-                machine = find_machine(optarg);
-                if (!machine) {
-                    QEMUMachine *m;
-                    printf("Supported machines are:\n");
-                    for(m = first_machine; m != NULL; m = m->next) {
-                        printf("%-10s %s%s\n",
-                               m->name, m->desc,
-                               m == first_machine ? " (default)" : "");
-                    }
-                    exit(*optarg != '?');
-                }
-                break;
-            case QEMU_OPTION_cpu:
-                /* hw initialization will check this */
-                if (*optarg == '?') {
-/* XXX: implement xxx_cpu_list for targets that still miss it */
-#if defined(cpu_list)
-                    cpu_list(stdout, &fprintf);
-#endif
-                    exit(0);
-                } else {
-                    cpu_model = optarg;
-                }
-                break;
-            case QEMU_OPTION_initrd:
-                initrd_filename = optarg;
-                break;
-            case QEMU_OPTION_hda:
-                if (cyls == 0)
-                    hda_index = drive_add(optarg, HD_ALIAS, 0);
-                else
-                    hda_index = drive_add(optarg, HD_ALIAS
-			     ",cyls=%d,heads=%d,secs=%d%s",
-                             0, cyls, heads, secs,
-                             translation == BIOS_ATA_TRANSLATION_LBA ?
-                                 ",trans=lba" :
-                             translation == BIOS_ATA_TRANSLATION_NONE ?
-                                 ",trans=none" : "");
-                 break;
-            case QEMU_OPTION_hdb:
-            case QEMU_OPTION_hdc:
-            case QEMU_OPTION_hdd:
-                drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
-                break;
-            case QEMU_OPTION_drive:
-                drive_add(NULL, "%s", optarg);
-	        break;
-            case QEMU_OPTION_mtdblock:
-                drive_add(optarg, MTD_ALIAS);
-                break;
-            case QEMU_OPTION_sd:
-                drive_add(optarg, SD_ALIAS);
-                break;
-            case QEMU_OPTION_pflash:
-                drive_add(optarg, PFLASH_ALIAS);
-                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, "none"))
-                            translation = BIOS_ATA_TRANSLATION_NONE;
-                        else if (!strcmp(p, "lba"))
-                            translation = BIOS_ATA_TRANSLATION_LBA;
-                        else if (!strcmp(p, "auto"))
-                            translation = BIOS_ATA_TRANSLATION_AUTO;
-                        else
-                            goto chs_fail;
-                    } else if (*p != '\0') {
-                    chs_fail:
-                        fprintf(stderr, "qemu: invalid physical CHS format\n");
-                        exit(1);
-                    }
-		    if (hda_index != -1)
-                        snprintf(drives_opt[hda_index].opt,
-                                 sizeof(drives_opt[hda_index].opt),
-                                 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
-                                 0, cyls, heads, secs,
-			         translation == BIOS_ATA_TRANSLATION_LBA ?
-			     	    ",trans=lba" :
-			         translation == BIOS_ATA_TRANSLATION_NONE ?
-			             ",trans=none" : "");
-                }
-                break;
-            case QEMU_OPTION_nographic:
-                nographic = 1;
-                break;
-#ifdef CONFIG_CURSES
-            case QEMU_OPTION_curses:
-                curses = 1;
-                break;
-#endif
-            case QEMU_OPTION_portrait:
-                graphic_rotate = 1;
-                break;
-            case QEMU_OPTION_kernel:
-                kernel_filename = optarg;
-                break;
-            case QEMU_OPTION_append:
-                kernel_cmdline = optarg;
-                break;
-            case QEMU_OPTION_cdrom:
-                drive_add(optarg, CDROM_ALIAS);
-                break;
-            case QEMU_OPTION_boot:
-                boot_devices = optarg;
-                /* We just do some generic consistency checks */
-                {
-                    /* Could easily be extended to 64 devices if needed */
-                    const char *p;
-                    
-                    boot_devices_bitmap = 0;
-                    for (p = boot_devices; *p != '\0'; p++) {
-                        /* Allowed boot devices are:
-                         * a b     : floppy disk drives
-                         * c ... f : IDE disk drives
-                         * g ... m : machine implementation dependant drives
-                         * n ... p : network devices
-                         * It's up to each machine implementation to check
-                         * if the given boot devices match the actual hardware
-                         * implementation and firmware features.
-                         */
-                        if (*p < 'a' || *p > 'q') {
-                            fprintf(stderr, "Invalid boot device '%c'\n", *p);
-                            exit(1);
-                        }
-                        if (boot_devices_bitmap & (1 << (*p - 'a'))) {
-                            fprintf(stderr,
-                                    "Boot device '%c' was given twice\n",*p);
-                            exit(1);
-                        }
-                        boot_devices_bitmap |= 1 << (*p - 'a');
-                    }
-                }
-                break;
-            case QEMU_OPTION_fda:
-            case QEMU_OPTION_fdb:
-                drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
-                break;
-#ifdef TARGET_I386
-            case QEMU_OPTION_no_fd_bootchk:
-                fd_bootchk = 0;
-                break;
-#endif
-            case QEMU_OPTION_net:
-                if (nb_net_clients >= MAX_NET_CLIENTS) {
-                    fprintf(stderr, "qemu: too many network clients\n");
-                    exit(1);
-                }
-                net_clients[nb_net_clients] = optarg;
-                nb_net_clients++;
-                break;
-#ifdef CONFIG_SLIRP
-            case QEMU_OPTION_tftp:
-		tftp_prefix = optarg;
-                break;
-            case QEMU_OPTION_bootp:
-                bootp_filename = optarg;
-                break;
-#if 0  /* ANDROID disabled */
-            case QEMU_OPTION_smb:
-		net_slirp_smb(optarg);
-                break;
-#endif
-            case QEMU_OPTION_redir:
-                net_slirp_redir(optarg);
-                break;
-#endif
-#ifdef HAS_AUDIO
-            case QEMU_OPTION_audio_help:
-                AUD_help ();
-                exit (0);
-                break;
-            case QEMU_OPTION_soundhw:
-                select_soundhw (optarg);
-                break;
-#endif
-            case QEMU_OPTION_h:
-                help(0);
-                break;
-            case QEMU_OPTION_m: {
-                uint64_t value;
-                char *ptr;
-
-                value = strtoul(optarg, &ptr, 10);
-                switch (*ptr) {
-                case 0: case 'M': case 'm':
-                    value <<= 20;
-                    break;
-                case 'G': case 'g':
-                    value <<= 30;
-                    break;
-                default:
-                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
-                    exit(1);
-                }
-
-                /* On 32-bit hosts, QEMU is limited by virtual address space */
-                if (value > (2047 << 20)
-#ifndef USE_KQEMU
-                    && HOST_LONG_BITS == 32
-#endif
-                    ) {
-                    fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
-                    exit(1);
-                }
-                if (value != (uint64_t)(ram_addr_t)value) {
-                    fprintf(stderr, "qemu: ram size too large\n");
-                    exit(1);
-                }
-                ram_size = value;
-                break;
-            }
-            case QEMU_OPTION_d:
-                {
-                    int mask;
-                    CPULogItem *item;
-
-                    mask = cpu_str_to_log_mask(optarg);
-                    if (!mask) {
-                        printf("Log items (comma separated):\n");
-                    for(item = cpu_log_items; item->mask != 0; item++) {
-                        printf("%-10s %s\n", item->name, item->help);
-                    }
-                    exit(1);
-                    }
-                    cpu_set_log(mask);
-                }
-                break;
-#ifdef CONFIG_GDBSTUB
-            case QEMU_OPTION_s:
-                use_gdbstub = 1;
-                break;
-            case QEMU_OPTION_p:
-                gdbstub_port = optarg;
-                break;
-#endif
-            case QEMU_OPTION_L:
-                bios_dir = optarg;
-                break;
-            case QEMU_OPTION_S:
-#if 1  /* ANDROID */
-                fprintf(stderr, "Sorry, stopped launch is not supported in the Android emulator\n" );
-                exit(1);
-#else
-                autostart = 0;
-                break;
-#endif
-	    case QEMU_OPTION_k:
-		keyboard_layout = optarg;
-		break;
-            case QEMU_OPTION_localtime:
-                rtc_utc = 0;
-                break;
-            case QEMU_OPTION_cirrusvga:
-                cirrus_vga_enabled = 1;
-                vmsvga_enabled = 0;
-                break;
-            case QEMU_OPTION_vmsvga:
-                cirrus_vga_enabled = 0;
-                vmsvga_enabled = 1;
-                break;
-            case QEMU_OPTION_std_vga:
-                cirrus_vga_enabled = 0;
-                vmsvga_enabled = 0;
-                break;
-            case QEMU_OPTION_g:
-                {
-                    const char *p;
-                    int w, h, depth;
-                    p = optarg;
-                    w = strtol(p, (char **)&p, 10);
-                    if (w <= 0) {
-                    graphic_error:
-                        fprintf(stderr, "qemu: invalid resolution or depth\n");
-                        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:
-                monitor_device = optarg;
-                break;
-            case QEMU_OPTION_serial:
-                if (serial_device_index >= MAX_SERIAL_PORTS) {
-                    fprintf(stderr, "qemu: too many serial ports\n");
-                    exit(1);
-                }
-                serial_devices[serial_device_index] = optarg;
-                serial_device_index++;
-                break;
-            case QEMU_OPTION_parallel:
-                if (parallel_device_index >= MAX_PARALLEL_PORTS) {
-                    fprintf(stderr, "qemu: too many parallel ports\n");
-                    exit(1);
-                }
-                parallel_devices[parallel_device_index] = optarg;
-                parallel_device_index++;
-                break;
-	    case QEMU_OPTION_loadvm:
-		loadvm = optarg;
-		break;
-            case QEMU_OPTION_full_screen:
-                full_screen = 1;
-                break;
-#ifdef CONFIG_SDL
-            case QEMU_OPTION_no_frame:
-                no_frame = 1;
-                break;
-            case QEMU_OPTION_alt_grab:
-                alt_grab = 1;
-                break;
-            case QEMU_OPTION_no_quit:
-                no_quit = 1;
-                break;
-#endif
-            case QEMU_OPTION_pidfile:
-                pid_file = optarg;
-                break;
-#ifdef TARGET_I386
-            case QEMU_OPTION_win2k_hack:
-                win2k_install_hack = 1;
-                break;
-#endif
-#ifdef USE_KQEMU
-            case QEMU_OPTION_no_kqemu:
-                kqemu_allowed = 0;
-                break;
-            case QEMU_OPTION_kernel_kqemu:
-                kqemu_allowed = 2;
-                break;
-#endif
-            case QEMU_OPTION_usb:
-                usb_enabled = 1;
-                break;
-            case QEMU_OPTION_usbdevice:
-                usb_enabled = 1;
-                if (usb_devices_index >= MAX_USB_CMDLINE) {
-                    fprintf(stderr, "Too many USB devices\n");
-                    exit(1);
-                }
-                usb_devices[usb_devices_index] = optarg;
-                usb_devices_index++;
-                break;
-            case QEMU_OPTION_smp:
-                smp_cpus = atoi(optarg);
-                if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
-                    fprintf(stderr, "Invalid number of CPUs\n");
-                    exit(1);
-                }
-                break;
-	    case QEMU_OPTION_vnc:
-		vnc_display = optarg;
-		break;
-            case QEMU_OPTION_no_acpi:
-                acpi_enabled = 0;
-                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_daemonize:
-		daemonize = 1;
-		break;
-	    case QEMU_OPTION_option_rom:
-		if (nb_option_roms >= MAX_OPTION_ROMS) {
-		    fprintf(stderr, "Too many option ROMs\n");
-		    exit(1);
-		}
-		option_rom[nb_option_roms] = optarg;
-		nb_option_roms++;
-		break;
-            case QEMU_OPTION_semihosting:
-                semihosting_enabled = 1;
-                break;
-            case QEMU_OPTION_name:
-                qemu_name = optarg;
-                break;
-#ifdef TARGET_SPARC
-            case QEMU_OPTION_prom_env:
-                if (nb_prom_envs >= MAX_PROM_ENVS) {
-                    fprintf(stderr, "Too many prom variables\n");
-                    exit(1);
-                }
-                prom_envs[nb_prom_envs] = optarg;
-                nb_prom_envs++;
-                break;
-#endif
-#ifdef TARGET_ARM
-            case QEMU_OPTION_old_param:
-                old_param = 1;
-                break;
-#endif
-            case QEMU_OPTION_clock:
-                configure_alarms(optarg);
-                break;
-            case QEMU_OPTION_startdate:
-                {
-                    struct tm tm;
-                    time_t rtc_start_date;
-                    if (!strcmp(optarg, "now")) {
-                        rtc_date_offset = -1;
-                    } else {
-                        if (sscanf(optarg, "%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(optarg, "%d-%d-%d",
-                                          &tm.tm_year,
-                                          &tm.tm_mon,
-                                          &tm.tm_mday) == 3) {
-                            tm.tm_hour = 0;
-                            tm.tm_min = 0;
-                            tm.tm_sec = 0;
-                        } else {
-                            goto date_fail;
-                        }
-                        tm.tm_year -= 1900;
-                        tm.tm_mon--;
-                        rtc_start_date = mktimegm(&tm);
-                        if (rtc_start_date == -1) {
-                        date_fail:
-                            fprintf(stderr, "Invalid date format. Valid format are:\n"
-                                    "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
-                            exit(1);
-                        }
-                        rtc_date_offset = time(NULL) - rtc_start_date;
-                    }
-                }
-                break;
-            case QEMU_OPTION_tb_size:
-                tb_size = strtol(optarg, NULL, 0);
-                if (tb_size < 0)
-                    tb_size = 0;
-                break;
-            case QEMU_OPTION_icount:
-                use_icount = 1;
-                if (strcmp(optarg, "auto") == 0) {
-                    icount_time_shift = -1;
-                } else {
-                    icount_time_shift = strtol(optarg, NULL, 0);
-                }
-                break;
-
-            case QEMU_OPTION_noaudio:
-                android_audio_enabled = 0;
-                break;
-            case QEMU_OPTION_mic:
-                audio_input_source = (char*)optarg;
-                break;
-#ifdef CONFIG_TRACE
-            case QEMU_OPTION_trace_file:
-                trace_filename = optarg;
-                tracing = 1;
-                break;
-            case QEMU_OPTION_trace_miss:
-                trace_cache_miss = 1;
-                break;
-            case QEMU_OPTION_trace_addr:
-                trace_all_addr = 1;
-                break;
-            case QEMU_OPTION_tracing:
-                if (strcmp(optarg, "off") == 0)
-                    tracing = 0;
-                else if (strcmp(optarg, "on") == 0 && trace_filename)
-                    tracing = 1;
-                else {
-                    fprintf(stderr, "Unexpected option to -tracing ('%s')\n",
-                            optarg);
-                    exit(1);
-                }
-                break;
-            case QEMU_OPTION_dcache_load_miss:
-                dcache_load_miss_penalty = atoi(optarg);
-                break;
-            case QEMU_OPTION_dcache_store_miss:
-                dcache_store_miss_penalty = atoi(optarg);
-                break;
-#endif
-#ifdef CONFIG_NAND
-            case QEMU_OPTION_nand:
-                nand_add_dev(optarg);
-                break;
-#endif
-            }
-        }
-    }
-
-    if (nographic) {
-       if (serial_device_index == 0)
-           serial_devices[0] = "stdio";
-       if (parallel_device_index == 0)
-           parallel_devices[0] = "null";
-       if (strncmp(monitor_device, "vc", 2) == 0)
-           monitor_device = "stdio";
-    }
-
-#ifndef _WIN32
-    if (daemonize) {
-	pid_t pid;
-
-	if (pipe(fds) == -1)
-	    exit(1);
-
-	pid = fork();
-	if (pid > 0) {
-	    uint8_t status;
-	    ssize_t len;
-
-	    close(fds[1]);
-
-	again:
-            len = read(fds[0], &status, 1);
-            if (len == -1 && (errno == EINTR))
-                goto again;
-
-            if (len != 1)
-                exit(1);
-            else if (status == 1) {
-                fprintf(stderr, "Could not acquire pidfile\n");
-                exit(1);
-            } else
-                exit(0);
-	} else if (pid < 0)
-            exit(1);
-
-	setsid();
-
-	pid = fork();
-	if (pid > 0)
-	    exit(0);
-	else if (pid < 0)
-	    exit(1);
-
-	umask(027);
-
-        signal(SIGTSTP, SIG_IGN);
-        signal(SIGTTOU, SIG_IGN);
-        signal(SIGTTIN, SIG_IGN);
-    }
-#endif
-
-    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
-        if (daemonize) {
-            uint8_t status = 1;
-            write(fds[1], &status, 1);
-        } else
-            fprintf(stderr, "Could not acquire pid file\n");
-        exit(1);
-    }
-
-#ifdef USE_KQEMU
-    if (smp_cpus > 1)
-        kqemu_allowed = 0;
-#endif
-    linux_boot = (kernel_filename != NULL);
-    net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
-
-    if (!linux_boot && net_boot == 0 &&
-        !machine->nodisk_ok && nb_drives_opt == 0)
-        help(1);
-
-    if (!linux_boot && *kernel_cmdline != '\0') {
-        fprintf(stderr, "-append only allowed with -kernel option\n");
-        exit(1);
-    }
-
-    if (!linux_boot && initrd_filename != NULL) {
-        fprintf(stderr, "-initrd only allowed with -kernel option\n");
-        exit(1);
-    }
-
-    /* boot to floppy or the default cd if no hard disk defined yet */
-    if (!boot_devices[0]) {
-        boot_devices = "cad";
-    }
-    setvbuf(stdout, NULL, _IOLBF, 0);
-
-    init_timers();
-    init_timer_alarm();
-    qemu_aio_init();
-    if (use_icount && icount_time_shift < 0) {
-        use_icount = 2;
-        /* 125MIPS seems a reasonable initial guess at the guest speed.
-           It will be corrected fairly quickly anyway.  */
-        icount_time_shift = 3;
-        init_icount_adjust();
-    }
-
-#ifdef _WIN32
-    socket_init();
-#endif
-
-    /* init network clients */
-    if (nb_net_clients == 0) {
-        /* if no clients, we use a default config */
-        net_clients[nb_net_clients++] = "nic";
-#ifdef CONFIG_SLIRP
-        net_clients[nb_net_clients++] = "user";
-#endif
-    }
-
-    for(i = 0;i < nb_net_clients; i++) {
-        if (net_client_parse(net_clients[i]) < 0)
-            exit(1);
-    }
-    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
-        if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0)
-            continue;
-        if (vlan->nb_guest_devs == 0)
-            fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
-        if (vlan->nb_host_devs == 0)
-            fprintf(stderr,
-                    "Warning: vlan %d is not connected to host network\n",
-                    vlan->id);
-    }
-
-#ifdef TARGET_I386
-    /* XXX: this should be moved in the PC machine instantiation code */
-    if (net_boot != 0) {
-        int netroms = 0;
-	for (i = 0; i < nb_nics && i < 4; i++) {
-	    const char *model = nd_table[i].model;
-	    char buf[1024];
-            if (net_boot & (1 << i)) {
-                if (model == NULL)
-                    model = "ne2k_pci";
-                snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
-                if (get_image_size(buf) > 0) {
-                    if (nb_option_roms >= MAX_OPTION_ROMS) {
-                        fprintf(stderr, "Too many option ROMs\n");
-                        exit(1);
-                    }
-                    option_rom[nb_option_roms] = strdup(buf);
-                    nb_option_roms++;
-                    netroms++;
-                }
-            }
-	}
-	if (netroms == 0) {
-	    fprintf(stderr, "No valid PXE rom found for network device\n");
-	    exit(1);
-	}
-    }
-#endif
-
-    /* init the memory */
-    phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
-
-    if (machine->ram_require & RAMSIZE_FIXED) {
-        if (ram_size > 0) {
-            if (ram_size < phys_ram_size) {
-                fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
-                                machine->name, (unsigned long long) phys_ram_size);
-                exit(-1);
-            }
-
-            phys_ram_size = ram_size;
-        } else
-            ram_size = phys_ram_size;
-    } else {
-        if (ram_size == 0)
-            ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
-
-        phys_ram_size += ram_size;
-    }
-
-    phys_ram_base = qemu_vmalloc(phys_ram_size);
-    if (!phys_ram_base) {
-        fprintf(stderr, "Could not allocate physical memory\n");
-        exit(1);
-    }
-
-    /* init the dynamic translator */
-    cpu_exec_init_all(tb_size * 1024 * 1024);
-
-    bdrv_init();
-
-    /* we always create the cdrom drive, even if no disk is there */
-
-    if (nb_drives_opt < MAX_DRIVES)
-        drive_add(NULL, CDROM_ALIAS);
-
-    /* we always create at least one floppy */
-
-    if (nb_drives_opt < MAX_DRIVES)
-        drive_add(NULL, FD_ALIAS, 0);
-
-    /* we always create one sd slot, even if no card is in it */
-
-    if (nb_drives_opt < MAX_DRIVES)
-        drive_add(NULL, SD_ALIAS);
-
-    /* open the virtual block devices */
-
-    for(i = 0; i < nb_drives_opt; i++)
-        if (drive_init(&drives_opt[i], snapshot, machine) == -1)
-	    exit(1);
-
-    register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
-    register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
-
-    /* terminal init */
-    memset(&display_state, 0, sizeof(display_state));
-    if (nographic) {
-        if (curses) {
-            fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
-            exit(1);
-        }
-        /* nearly nothing to do */
-        dumb_display_init(ds);
-    } else if (vnc_display != NULL) {
-        vnc_display_init(ds);
-        if (vnc_display_open(ds, vnc_display) < 0)
-            exit(1);
-    } else
-#if defined(CONFIG_CURSES)
-    if (curses) {
-        curses_display_init(ds, full_screen);
-    } else
-#endif
-    {
-#if defined(CONFIG_SDL)
-        sdl_display_init(ds, full_screen, no_frame);
-#elif defined(CONFIG_COCOA)
-        cocoa_display_init(ds, full_screen);
-#else
-        dumb_display_init(ds);
-#endif
-    }
-
-#ifndef _WIN32
-    /* must be after terminal init, SDL library changes signal handlers */
-    termsig_setup();
-#endif
-
-    /* Maintain compatibility with multiple stdio monitors */
-    if (!strcmp(monitor_device,"stdio")) {
-        for (i = 0; i < MAX_SERIAL_PORTS; i++) {
-            const char *devname = serial_devices[i];
-            if (devname && !strcmp(devname,"mon:stdio")) {
-                monitor_device = NULL;
-                break;
-            } else if (devname && !strcmp(devname,"stdio")) {
-                monitor_device = NULL;
-                serial_devices[i] = "mon:stdio";
-                break;
-            }
-        }
-    }
-    if (monitor_device) {
-        monitor_hd = qemu_chr_open(monitor_device);
-        if (!monitor_hd) {
-            fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
-            exit(1);
-        }
-        monitor_init(monitor_hd, !nographic);
-    }
-
-    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
-        const char *devname = serial_devices[i];
-        if (devname && strcmp(devname, "none")) {
-            serial_hds[i] = qemu_chr_open(devname);
-            if (!serial_hds[i]) {
-                fprintf(stderr, "qemu: could not open serial device '%s'\n",
-                        devname);
-                exit(1);
-            }
-            if (strstart(devname, "vc", 0))
-                qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
-        }
-    }
-
-    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
-        const char *devname = parallel_devices[i];
-        if (devname && strcmp(devname, "none")) {
-            parallel_hds[i] = qemu_chr_open(devname);
-            if (!parallel_hds[i]) {
-                fprintf(stderr, "qemu: could not open parallel device '%s'\n",
-                        devname);
-                exit(1);
-            }
-            if (strstart(devname, "vc", 0))
-                qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
-        }
-    }
-
-#ifdef CONFIG_TRACE
-    if (trace_filename) {
-        trace_init(trace_filename);
-        dcache_init(dcache_size, dcache_ways, dcache_line_size,
-                    dcache_replace_policy, dcache_load_miss_penalty,
-                    dcache_store_miss_penalty);
-        fprintf(stderr, "-- When done tracing, exit the emulator. --\n");
-    }
-#endif
-
-    machine->init(ram_size, vga_ram_size, boot_devices, ds,
-                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
-
-    /* init USB devices */
-    if (usb_enabled) {
-        for(i = 0; i < usb_devices_index; i++) {
-            if (usb_device_add(usb_devices[i]) < 0) {
-                fprintf(stderr, "Warning: could not add USB device %s\n",
-                        usb_devices[i]);
-            }
-        }
-    }
-
-    if (display_state.dpy_refresh) {
-        display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
-        qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
-    }
-
-#ifdef CONFIG_GDBSTUB
-    if (use_gdbstub) {
-        /* XXX: use standard host:port notation and modify options
-           accordingly. */
-        if (gdbserver_start(gdbstub_port) < 0) {
-            fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
-                    gdbstub_port);
-            exit(1);
-        }
-    }
-#endif
-
-    if (loadvm)
-        do_loadvm(loadvm);
-
-    /* call android-specific setup function */
-    android_emulation_setup();
-
-    {
-        /* XXX: simplify init */
-        read_passwords();
-        if (autostart) {
-            vm_start();
-        }
-    }
-
-    if (daemonize) {
-	uint8_t status = 0;
-	ssize_t len;
-	int fd;
-
-    again1:
-	len = write(fds[1], &status, 1);
-	if (len == -1 && (errno == EINTR))
-	    goto again1;
-
-	if (len != 1)
-	    exit(1);
-
-	chdir("/");
-	TFR(fd = open("/dev/null", O_RDWR));
-	if (fd == -1)
-	    exit(1);
-
-	dup2(fd, 0);
-	dup2(fd, 1);
-	dup2(fd, 2);
-
-	close(fd);
-    }
-
-    main_loop();
-    quit_timers();
-
-#if !defined(_WIN32)
-    /* close network clients */
-    for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
-        VLANClientState *vc;
-
-        for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
-            if (vc->fd_read == tap_receive) {
-                char ifname[64];
-                TAPState *s = vc->opaque;
-
-                if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
-                    s->down_script[0])
-                    launch_script(s->down_script, ifname, s->fd);
-            }
-#if defined(CONFIG_VDE)
-            if (vc->fd_read == vde_from_qemu) {
-                VDEState *s = vc->opaque;
-                vde_close(s->vde);
-            }
-#endif
-        }
-    }
-#endif
-
-    android_emulation_teardown();
-    return 0;
-}