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gerrit-public.fairphone.software / fp2-dev / platform / external / qemu / 2779beecc7410f29102125e87e8174597acb2fe5 / . / vl.c
blob: 3069a9c3e835ffdce6b74a613fb5ff113a725834 [file] [log] [blame]
/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
#include <sys/time.h>
#include <zlib.h>
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
#ifndef _WIN32
#include <libgen.h>
#include <pwd.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <termios.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#if defined(__NetBSD__)
#include <net/if_tap.h>
#endif
#ifdef __linux__
#include <linux/if_tun.h>
#endif
#include <arpa/inet.h>
#include <dirent.h>
#include <netdb.h>
#include <sys/select.h>
#ifdef CONFIG_BSD
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <libutil.h>
#else
#include <util.h>
#endif
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
#include <freebsd/stdlib.h>
#else
#ifdef __linux__
#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>
#endif
#ifdef __sun__
#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
#if defined(__OpenBSD__)
#include <util.h>
#endif
#if defined(CONFIG_VDE)
#include <libvdeplug.h>
#endif
#ifdef _WIN32
#include <windows.h>
#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_SDL
#ifdef __APPLE__
#include <SDL.h>
int qemu_main(int argc, char **argv, char **envp);
int main(int argc, char **argv)
{
qemu_main(argc, argv, NULL);
}
#undef main
#define main qemu_main
#endif
#endif /* CONFIG_SDL */
#ifdef CONFIG_COCOA
#undef main
#define main qemu_main
#endif /* CONFIG_COCOA */
#include "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 "hw/bt.h"
#include "hw/watchdog.h"
#include "hw/smbios.h"
#include "hw/xen.h"
#include "bt-host.h"
#include "net.h"
#include "monitor.h"
#include "console.h"
#include "sysemu.h"
#include "gdbstub.h"
#include "qemu-timer.h"
#include "qemu-char.h"
#include "cache-utils.h"
#include "block.h"
#include "dma.h"
#include "audio/audio.h"
#include "migration.h"
#include "kvm.h"
#include "balloon.h"
#include "qemu-option.h"
#include "disas.h"
#include "exec-all.h"
#include "qemu_socket.h"
#if defined(CONFIG_SLIRP)
#include "libslirp.h"
#endif
#define DEFAULT_RAM_SIZE 128
/* Max number of USB devices that can be specified on the commandline. */
#define MAX_USB_CMDLINE 8
/* Max number of bluetooth switches on the commandline. */
#define MAX_BT_CMDLINE 10
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
static const char *data_dir;
const char *bios_name = NULL;
static void *ioport_opaque[MAX_IOPORTS];
static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
static 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;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
static DisplayState *display_state;
DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
ram_addr_t ram_size;
int nb_nics;
NICInfo nd_table[MAX_NICS];
int vm_running;
static int autostart;
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
int cirrus_vga_enabled = 1;
int std_vga_enabled = 0;
int vmsvga_enabled = 0;
int xenfb_enabled = 0;
QEMUClock *rtc_clock;
#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
static int full_screen = 0;
#ifdef CONFIG_SDL
static int no_frame = 0;
#endif
int no_quit = 0;
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
#ifdef TARGET_I386
int win2k_install_hack = 0;
int rtc_td_hack = 0;
#endif
int usb_enabled = 0;
int singlestep = 0;
int smp_cpus = 1;
const char *vnc_display;
int acpi_enabled = 1;
int no_hpet = 0;
int no_virtio_balloon = 0;
int fd_bootchk = 1;
int no_reboot = 0;
int no_shutdown = 0;
int cursor_hide = 1;
int graphic_rotate = 0;
#ifndef _WIN32
int daemonize = 0;
#endif
WatchdogTimerModel *watchdog = NULL;
int watchdog_action = WDT_RESET;
const char *option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
#ifdef TARGET_ARM
int old_param = 0;
#endif
const char *qemu_name;
int alt_grab = 0;
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
#endif
int nb_drives_opt;
struct drive_opt drives_opt[MAX_DRIVES];
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint64_t node_cpumask[MAX_NODES];
static CPUState *cur_cpu;
static CPUState *next_cpu;
static int timer_alarm_pending = 1;
static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
/***********************************************************/
/* 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
}
/***********************************************************/
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();
}
/***************/
/* ballooning */
static QEMUBalloonEvent *qemu_balloon_event;
void *qemu_balloon_event_opaque;
void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
{
qemu_balloon_event = func;
qemu_balloon_event_opaque = opaque;
}
void qemu_balloon(ram_addr_t target)
{
if (qemu_balloon_event)
qemu_balloon_event(qemu_balloon_event_opaque, target);
}
ram_addr_t qemu_balloon_status(void)
{
if (qemu_balloon_event)
return qemu_balloon_event(qemu_balloon_event_opaque, 0);
return 0;
}
/***********************************************************/
/* real time host monotonic timer */
/* 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 HOST_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;
}
/***********************************************************/
/* 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 _WIN32
static void socket_cleanup(void)
{
WSACleanup();
}
static int socket_init(void)
{
WSADATA Data;
int ret, err;
ret = WSAStartup(MAKEWORD(2,2), &Data);
if (ret != 0) {
err = WSAGetLastError();
fprintf(stderr, "WSAStartup: %d\n", err);
return -1;
}
atexit(socket_cleanup);
return 0;
}
#endif
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;
}
int check_params(char *buf, int buf_size,
const char * const *params, const char *str)
{
const char *p;
int i;
p = str;
while (*p != '\0') {
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;
}
/***********************************************************/
/* Bluetooth support */
static int nb_hcis;
static int cur_hci;
static struct HCIInfo *hci_table[MAX_NICS];
static struct bt_vlan_s {
struct bt_scatternet_s net;
int id;
struct bt_vlan_s *next;
} *first_bt_vlan;
/* find or alloc a new bluetooth "VLAN" */
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
{
struct bt_vlan_s **pvlan, *vlan;
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
if (vlan->id == id)
return &vlan->net;
}
vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
vlan->id = id;
pvlan = &first_bt_vlan;
while (*pvlan != NULL)
pvlan = &(*pvlan)->next;
*pvlan = vlan;
return &vlan->net;
}
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
{
}
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
{
return -ENOTSUP;
}
static struct HCIInfo null_hci = {
.cmd_send = null_hci_send,
.sco_send = null_hci_send,
.acl_send = null_hci_send,
.bdaddr_set = null_hci_addr_set,
};
struct HCIInfo *qemu_next_hci(void)
{
if (cur_hci == nb_hcis)
return &null_hci;
return hci_table[cur_hci++];
}
static struct HCIInfo *hci_init(const char *str)
{
char *endp;
struct bt_scatternet_s *vlan = 0;
if (!strcmp(str, "null"))
/* null */
return &null_hci;
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
/* host[:hciN] */
return bt_host_hci(str[4] ? str + 5 : "hci0");
else if (!strncmp(str, "hci", 3)) {
/* hci[,vlan=n] */
if (str[3]) {
if (!strncmp(str + 3, ",vlan=", 6)) {
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
if (*endp)
vlan = 0;
}
} else
vlan = qemu_find_bt_vlan(0);
if (vlan)
return bt_new_hci(vlan);
}
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
return 0;
}
static int bt_hci_parse(const char *str)
{
struct HCIInfo *hci;
bdaddr_t bdaddr;
if (nb_hcis >= MAX_NICS) {
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
return -1;
}
hci = hci_init(str);
if (!hci)
return -1;
bdaddr.b[0] = 0x52;
bdaddr.b[1] = 0x54;
bdaddr.b[2] = 0x00;
bdaddr.b[3] = 0x12;
bdaddr.b[4] = 0x34;
bdaddr.b[5] = 0x56 + nb_hcis;
hci->bdaddr_set(hci, bdaddr.b);
hci_table[nb_hcis++] = hci;
return 0;
}
static void bt_vhci_add(int vlan_id)
{
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a VHCI to "
"an empty scatternet %i\n", vlan_id);
bt_vhci_init(bt_new_hci(vlan));
}
static struct bt_device_s *bt_device_add(const char *opt)
{
struct bt_scatternet_s *vlan;
int vlan_id = 0;
char *endp = strstr(opt, ",vlan=");
int len = (endp ? endp - opt : strlen(opt)) + 1;
char devname[10];
pstrcpy(devname, MIN(sizeof(devname), len), opt);
if (endp) {
vlan_id = strtol(endp + 6, &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
return 0;
}
}
vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a slave device to "
"an empty scatternet %i\n", vlan_id);
if (!strcmp(devname, "keyboard"))
return bt_keyboard_init(vlan);
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
return 0;
}
static int bt_parse(const char *opt)
{
const char *endp, *p;
int vlan;
if (strstart(opt, "hci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp)
if (!strstart(endp, ",vlan=", 0))
opt = endp + 1;
return bt_hci_parse(opt);
}
} else if (strstart(opt, "vhci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp) {
if (strstart(endp, ",vlan=", &p)) {
vlan = strtol(p, (char **) &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
return 1;
}
} else {
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
return 1;
}
} else
vlan = 0;
bt_vhci_add(vlan);
return 0;
}
} else if (strstart(opt, "device:", &endp))
return !bt_device_add(endp);
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
return 1;
}
/***********************************************************/
/* QEMU Block devices */
#define HD_ALIAS "index=%d,media=disk"
#define CDROM_ALIAS "index=2,media=cdrom"
#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_opt_get_free_idx(void)
{
int index;
for (index = 0; index < MAX_DRIVES; index++)
if (!drives_opt[index].used) {
drives_opt[index].used = 1;
return index;
}
return -1;
}
static int drive_get_free_idx(void)
{
int index;
for (index = 0; index < MAX_DRIVES; index++)
if (!drives_table[index].used) {
drives_table[index].used = 1;
return index;
}
return -1;
}
int drive_add(const char *file, const char *fmt, ...)
{
va_list ap;
int index = drive_opt_get_free_idx();
if (nb_drives_opt >= MAX_DRIVES || index == -1) {
fprintf(stderr, "qemu: too many drives\n");
return -1;
}
drives_opt[index].file = file;
va_start(ap, fmt);
vsnprintf(drives_opt[index].opt,
sizeof(drives_opt[0].opt), fmt, ap);
va_end(ap);
nb_drives_opt++;
return index;
}
void drive_remove(int index)
{
drives_opt[index].used = 0;
nb_drives_opt--;
}
int drive_get_index(BlockInterfaceType type, int bus, int unit)
{
int index;
/* seek interface, bus and unit */
for (index = 0; index < MAX_DRIVES; index++)
if (drives_table[index].type == type &&
drives_table[index].bus == bus &&
drives_table[index].unit == unit &&
drives_table[index].used)
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;
}
const char *drive_get_serial(BlockDriverState *bdrv)
{
int index;
for (index = 0; index < nb_drives; index++)
if (drives_table[index].bdrv == bdrv)
return drives_table[index].serial;
return "\0";
}
BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
{
int index;
for (index = 0; index < nb_drives; index++)
if (drives_table[index].bdrv == bdrv)
return drives_table[index].onerror;
return BLOCK_ERR_STOP_ENOSPC;
}
static void bdrv_format_print(void *opaque, const char *name)
{
fprintf(stderr, " %s", name);
}
void drive_uninit(BlockDriverState *bdrv)
{
int i;
for (i = 0; i < MAX_DRIVES; i++)
if (drives_table[i].bdrv == bdrv) {
drives_table[i].bdrv = NULL;
drives_table[i].used = 0;
drive_remove(drives_table[i].drive_opt_idx);
nb_drives--;
break;
}
}
int drive_init(struct drive_opt *arg, int snapshot, void *opaque)
{
char buf[128];
char file[1024];
char devname[128];
char serial[21];
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;
QEMUMachine *machine = opaque;
int max_devs;
int index;
int cache;
int bdrv_flags, onerror;
int drives_table_idx;
char *str = arg->opt;
static const char * const params[] = { "bus", "unit", "if", "index",
"cyls", "heads", "secs", "trans",
"media", "snapshot", "file",
"cache", "format", "serial", "werror",
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 = 3;
if (machine->use_scsi) {
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 if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
max_devs = 0;
} else if (!strcmp(buf, "xen")) {
type = IF_XEN;
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") || !strcmp(buf, "none"))
cache = 0;
else if (!strcmp(buf, "writethrough"))
cache = 1;
else if (!strcmp(buf, "writeback"))
cache = 2;
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);
if (!get_param_value(serial, sizeof(serial), "serial", str))
memset(serial, 0, sizeof(serial));
onerror = BLOCK_ERR_STOP_ENOSPC;
if (get_param_value(buf, sizeof(serial), "werror", str)) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
fprintf(stderr, "werror is no supported by this format\n");
return -1;
}
if (!strcmp(buf, "ignore"))
onerror = BLOCK_ERR_IGNORE;
else if (!strcmp(buf, "enospc"))
onerror = BLOCK_ERR_STOP_ENOSPC;
else if (!strcmp(buf, "stop"))
onerror = BLOCK_ERR_STOP_ANY;
else if (!strcmp(buf, "report"))
onerror = BLOCK_ERR_REPORT;
else {
fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
return -1;
}
}
/* 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 -2;
/* 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_idx = drive_get_free_idx();
drives_table[drives_table_idx].bdrv = bdrv;
drives_table[drives_table_idx].type = type;
drives_table[drives_table_idx].bus = bus_id;
drives_table[drives_table_idx].unit = unit_id;
drives_table[drives_table_idx].onerror = onerror;
drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt;
strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial));
nb_drives++;
switch(type) {
case IF_IDE:
case IF_SCSI:
case IF_XEN:
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:
case IF_VIRTIO:
break;
case IF_COUNT:
abort();
}
if (!file[0])
return -2;
bdrv_flags = 0;
if (snapshot) {
bdrv_flags |= BDRV_O_SNAPSHOT;
cache = 2; /* always use write-back with snapshot */
}
if (cache == 0) /* no caching */
bdrv_flags |= BDRV_O_NOCACHE;
else if (cache == 2) /* write-back */
bdrv_flags |= BDRV_O_CACHE_WB;
else if (cache == 3) /* not specified */
bdrv_flags |= BDRV_O_CACHE_DEF;
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s\n",
file);
return -1;
}
if (bdrv_key_required(bdrv))
autostart = 0;
return drives_table_idx;
}
static void numa_add(const char *optarg)
{
char option[128];
char *endptr;
unsigned long long value, endvalue;
int nodenr;
optarg = get_opt_name(option, 128, optarg, ',') + 1;
if (!strcmp(option, "node")) {
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
nodenr = nb_numa_nodes;
} else {
nodenr = strtoull(option, NULL, 10);
}
if (get_param_value(option, 128, "mem", optarg) == 0) {
node_mem[nodenr] = 0;
} else {
value = strtoull(option, &endptr, 0);
switch (*endptr) {
case 0: case 'M': case 'm':
value <<= 20;
break;
case 'G': case 'g':
value <<= 30;
break;
}
node_mem[nodenr] = value;
}
if (get_param_value(option, 128, "cpus", optarg) == 0) {
node_cpumask[nodenr] = 0;
} else {
value = strtoull(option, &endptr, 10);
if (value >= 64) {
value = 63;
fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
} else {
if (*endptr == '-') {
endvalue = strtoull(endptr+1, &endptr, 10);
if (endvalue >= 63) {
endvalue = 62;
fprintf(stderr,
"only 63 CPUs in NUMA mode supported.\n");
}
value = (1 << (endvalue + 1)) - (1 << value);
} else {
value = 1 << value;
}
}
node_cpumask[nodenr] = value;
}
nb_numa_nodes++;
}
return;
}
/***********************************************************/
/* 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 void usb_msd_password_cb(void *opaque, int err)
{
USBDevice *dev = opaque;
if (!err)
usb_device_add_dev(dev);
else
dev->handle_destroy(dev);
}
static int usb_device_add(const char *devname, int is_hotplug)
{
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)) {
BlockDriverState *bs;
dev = usb_msd_init(p);
if (!dev)
return -1;
bs = usb_msd_get_bdrv(dev);
if (bdrv_key_required(bs)) {
autostart = 0;
if (is_hotplug) {
monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb,
dev);
return 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(NULL, "nic", p) < 0)
return -1;
nd_table[nic].model = "usb";
dev = usb_net_init(&nd_table[nic]);
} else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
dev = usb_bt_init(devname[2] ? hci_init(p) :
bt_new_hci(qemu_find_bt_vlan(0)));
} 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(Monitor *mon, const char *devname)
{
usb_device_add(devname, 1);
}
void do_usb_del(Monitor *mon, const char *devname)
{
usb_device_del(devname);
}
void usb_info(Monitor *mon)
{
USBDevice *dev;
USBPort *port;
const char *speed_str;
if (!usb_enabled) {
monitor_printf(mon, "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;
}
monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n",
0, dev->addr, speed_str, dev->devname);
}
}
/***********************************************************/
/* PCMCIA/Cardbus */
static struct pcmcia_socket_entry_s {
PCMCIASocket *socket;
struct pcmcia_socket_entry_s *next;
} *pcmcia_sockets = 0;
void pcmcia_socket_register(PCMCIASocket *socket)
{
struct pcmcia_socket_entry_s *entry;
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
entry->socket = socket;
entry->next = pcmcia_sockets;
pcmcia_sockets = entry;
}
void pcmcia_socket_unregister(PCMCIASocket *socket)
{
struct pcmcia_socket_entry_s *entry, **ptr;
ptr = &pcmcia_sockets;
for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
if (entry->socket == socket) {
*ptr = entry->next;
qemu_free(entry);
}
}
void pcmcia_info(Monitor *mon)
{
struct pcmcia_socket_entry_s *iter;
if (!pcmcia_sockets)
monitor_printf(mon, "No PCMCIA sockets\n");
for (iter = pcmcia_sockets; iter; iter = iter->next)
monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
iter->socket->attached ? iter->socket->card_string :
"Empty");
}
/***********************************************************/
/* register display */
struct DisplayAllocator default_allocator = {
defaultallocator_create_displaysurface,
defaultallocator_resize_displaysurface,
defaultallocator_free_displaysurface
};
void register_displaystate(DisplayState *ds)
{
DisplayState **s;
s = &display_state;
while (*s != NULL)
s = &(*s)->next;
ds->next = NULL;
*s = ds;
}
DisplayState *get_displaystate(void)
{
return display_state;
}
DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
{
if(ds->allocator == &default_allocator) ds->allocator = da;
return ds->allocator;
}
/* dumb display */
static void dumb_display_init(void)
{
DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
ds->allocator = &default_allocator;
ds->surface = qemu_create_displaysurface(ds, 640, 480);
register_displaystate(ds);
}
/***********************************************************/
/* I/O handling */
typedef struct IOHandlerRecord {
int fd;
IOCanReadHandler *fd_read_poll;
IOHandler *fd_read;
IOHandler *fd_write;
int deleted;
void *opaque;
/* temporary data */
struct pollfd *ufd;
QLIST_ENTRY(IOHandlerRecord) next;
} IOHandlerRecord;
static QLIST_HEAD(, IOHandlerRecord) io_handlers =
QLIST_HEAD_INITIALIZER(io_handlers);
/* 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,
IOCanReadHandler *fd_read_poll,
IOHandler *fd_read,
IOHandler *fd_write,
void *opaque)
{
IOHandlerRecord *ioh;
if (!fd_read && !fd_write) {
QLIST_FOREACH(ioh, &io_handlers, next) {
if (ioh->fd == fd) {
ioh->deleted = 1;
break;
}
}
} else {
QLIST_FOREACH(ioh, &io_handlers, next) {
if (ioh->fd == fd)
goto found;
}
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
QLIST_INSERT_HEAD(&io_handlers, ioh, next);
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);
}
#ifdef _WIN32
/***********************************************************/
/* 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));
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;
}
}
}
/***********************************************************/
/* 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
/***********************************************************/
/* ram save/restore */
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;
}
if (qemu_file_has_error(f))
return -EIO;
return 0;
}
static int ram_load_v1(QEMUFile *f, void *opaque)
{
int ret;
ram_addr_t i;
if (qemu_get_be32(f) != last_ram_offset)
return -EINVAL;
for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) {
ret = ram_get_page(f, qemu_get_ram_ptr(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 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);
}
#define RAM_SAVE_FLAG_FULL 0x01
#define RAM_SAVE_FLAG_COMPRESS 0x02
#define RAM_SAVE_FLAG_MEM_SIZE 0x04
#define RAM_SAVE_FLAG_PAGE 0x08
#define RAM_SAVE_FLAG_EOS 0x10
static int is_dup_page(uint8_t *page, uint8_t ch)
{
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
uint32_t *array = (uint32_t *)page;
int i;
for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
if (array[i] != val)
return 0;
}
return 1;
}
static int ram_save_block(QEMUFile *f)
{
static ram_addr_t current_addr = 0;
ram_addr_t saved_addr = current_addr;
ram_addr_t addr = 0;
int found = 0;
while (addr < last_ram_offset) {
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
uint8_t *p;
cpu_physical_memory_reset_dirty(current_addr,
current_addr + TARGET_PAGE_SIZE,
MIGRATION_DIRTY_FLAG);
p = qemu_get_ram_ptr(current_addr);
if (is_dup_page(p, *p)) {
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
qemu_put_byte(f, *p);
} else {
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
}
found = 1;
break;
}
addr += TARGET_PAGE_SIZE;
current_addr = (saved_addr + addr) % last_ram_offset;
}
return found;
}
static uint64_t bytes_transferred;
static ram_addr_t ram_save_remaining(void)
{
ram_addr_t addr;
ram_addr_t count = 0;
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
count++;
}
return count;
}
uint64_t ram_bytes_remaining(void)
{
return ram_save_remaining() * TARGET_PAGE_SIZE;
}
uint64_t ram_bytes_transferred(void)
{
return bytes_transferred;
}
uint64_t ram_bytes_total(void)
{
return last_ram_offset;
}
static int ram_save_live(QEMUFile *f, int stage, void *opaque)
{
ram_addr_t addr;
uint64_t bytes_transferred_last;
double bwidth = 0;
uint64_t expected_time = 0;
if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
qemu_file_set_error(f);
return 0;
}
if (stage == 1) {
bytes_transferred = 0;
/* Make sure all dirty bits are set */
for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
cpu_physical_memory_set_dirty(addr);
}
/* Enable dirty memory tracking */
cpu_physical_memory_set_dirty_tracking(1);
qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
}
bytes_transferred_last = bytes_transferred;
bwidth = qemu_get_clock_ns(rt_clock);
while (!qemu_file_rate_limit(f)) {
int ret;
ret = ram_save_block(f);
bytes_transferred += ret * TARGET_PAGE_SIZE;
if (ret == 0) /* no more blocks */
break;
}
bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
/* if we haven't transferred anything this round, force expected_time to a
* a very high value, but without crashing */
if (bwidth == 0)
bwidth = 0.000001;
/* try transferring iterative blocks of memory */
if (stage == 3) {
/* flush all remaining blocks regardless of rate limiting */
while (ram_save_block(f) != 0) {
bytes_transferred += TARGET_PAGE_SIZE;
}
cpu_physical_memory_set_dirty_tracking(0);
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
return (stage == 2) && (expected_time <= migrate_max_downtime());
}
static int ram_load_dead(QEMUFile *f, void *opaque)
{
RamDecompressState s1, *s = &s1;
uint8_t buf[10];
ram_addr_t i;
if (ram_decompress_open(s, f) < 0)
return -EINVAL;
for(i = 0; i < last_ram_offset; 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, qemu_get_ram_ptr(i),
BDRV_HASH_BLOCK_SIZE) < 0) {
fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
goto error;
}
} else {
error:
printf("Error block header\n");
return -EINVAL;
}
}
ram_decompress_close(s);
return 0;
}
static int ram_load(QEMUFile *f, void *opaque, int version_id)
{
ram_addr_t addr;
int flags;
if (version_id == 1)
return ram_load_v1(f, opaque);
if (version_id == 2) {
if (qemu_get_be32(f) != last_ram_offset)
return -EINVAL;
return ram_load_dead(f, opaque);
}
if (version_id != 3)
return -EINVAL;
do {
addr = qemu_get_be64(f);
flags = addr & ~TARGET_PAGE_MASK;
addr &= TARGET_PAGE_MASK;
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
if (addr != last_ram_offset)
return -EINVAL;
}
if (flags & RAM_SAVE_FLAG_FULL) {
if (ram_load_dead(f, opaque) < 0)
return -EINVAL;
}
if (flags & RAM_SAVE_FLAG_COMPRESS) {
uint8_t ch = qemu_get_byte(f);
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
} else if (flags & RAM_SAVE_FLAG_PAGE)
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
} while (!(flags & RAM_SAVE_FLAG_EOS));
return 0;
}
void qemu_service_io(void)
{
qemu_notify_event();
}
/***********************************************************/
/* bottom halves (can be seen as timers which expire ASAP) */
struct QEMUBH {
QEMUBHFunc *cb;
void *opaque;
int scheduled;
int idle;
int deleted;
QEMUBH *next;
};
static QEMUBH *first_bh = NULL;
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
{
QEMUBH *bh;
bh = qemu_mallocz(sizeof(QEMUBH));
bh->cb = cb;
bh->opaque = opaque;
bh->next = first_bh;
first_bh = bh;
return bh;
}
int qemu_bh_poll(void)
{
QEMUBH *bh, **bhp;
int ret;
ret = 0;
for (bh = first_bh; bh; bh = bh->next) {
if (!bh->deleted && bh->scheduled) {
bh->scheduled = 0;
if (!bh->idle)
ret = 1;
bh->idle = 0;
bh->cb(bh->opaque);
}
}
/* remove deleted bhs */
bhp = &first_bh;
while (*bhp) {
bh = *bhp;
if (bh->deleted) {
*bhp = bh->next;
qemu_free(bh);
} else
bhp = &bh->next;
}
return ret;
}
void qemu_bh_schedule_idle(QEMUBH *bh)
{
if (bh->scheduled)
return;
bh->scheduled = 1;
bh->idle = 1;
}
void qemu_bh_schedule(QEMUBH *bh)
{
if (bh->scheduled)
return;
bh->scheduled = 1;
bh->idle = 0;
/* stop the currently executing CPU to execute the BH ASAP */
qemu_notify_event();
}
void qemu_bh_cancel(QEMUBH *bh)
{
bh->scheduled = 0;
}
void qemu_bh_delete(QEMUBH *bh)
{
bh->scheduled = 0;
bh->deleted = 1;
}
void qemu_bh_update_timeout(int *timeout)
{
QEMUBH *bh;
for (bh = first_bh; bh; bh = bh->next) {
if (!bh->deleted && bh->scheduled) {
if (bh->idle) {
/* idle bottom halves will be polled at least
* every 10ms */
*timeout = MIN(10, *timeout);
} else {
/* non-idle bottom halves will be executed
* immediately */
*timeout = 0;
break;
}
}
}
}
/***********************************************************/
/* machine registration */
static QEMUMachine *first_machine = NULL;
QEMUMachine *current_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;
}
static QEMUMachine *find_default_machine(void)
{
QEMUMachine *m;
for(m = first_machine; m != NULL; m = m->next) {
if (m->is_default) {
return m;
}
}
return NULL;
}
/***********************************************************/
/* main execution loop */
static void gui_update(void *opaque)
{
uint64_t interval = GUI_REFRESH_INTERVAL;
DisplayState *ds = opaque;
DisplayChangeListener *dcl = ds->listeners;
dpy_refresh(ds);
while (dcl != NULL) {
if (dcl->gui_timer_interval &&
dcl->gui_timer_interval < interval)
interval = dcl->gui_timer_interval;
dcl = dcl->next;
}
qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
}
static void nographic_update(void *opaque)
{
uint64_t interval = GUI_REFRESH_INTERVAL;
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
}
struct vm_change_state_entry {
VMChangeStateHandler *cb;
void *opaque;
QLIST_ENTRY (vm_change_state_entry) entries;
};
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
void *opaque)
{
VMChangeStateEntry *e;
e = qemu_mallocz(sizeof (*e));
e->cb = cb;
e->opaque = opaque;
QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
return e;
}
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
{
QLIST_REMOVE (e, entries);
qemu_free (e);
}
static void vm_state_notify(int running, int reason)
{
VMChangeStateEntry *e;
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
e->cb(e->opaque, running, reason);
}
}
static void resume_all_vcpus(void);
static void pause_all_vcpus(void);
void vm_start(void)
{
if (!vm_running) {
cpu_enable_ticks();
vm_running = 1;
vm_state_notify(1, 0);
//qemu_rearm_alarm_timer(alarm_timer);
resume_all_vcpus();
}
}
/* reset/shutdown handler */
typedef struct QEMUResetEntry {
QTAILQ_ENTRY(QEMUResetEntry) entry;
QEMUResetHandler *func;
void *opaque;
} QEMUResetEntry;
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
QTAILQ_HEAD_INITIALIZER(reset_handlers);
static int reset_requested;
static int shutdown_requested;
static int powerdown_requested;
static int debug_requested;
static int vmstop_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;
}
static int qemu_debug_requested(void)
{
int r = debug_requested;
debug_requested = 0;
return r;
}
static int qemu_vmstop_requested(void)
{
int r = vmstop_requested;
vmstop_requested = 0;
return r;
}
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
}
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry *re;
QTAILQ_FOREACH(re, &reset_handlers, entry) {
if (re->func == func && re->opaque == opaque) {
QTAILQ_REMOVE(&reset_handlers, re, entry);
qemu_free(re);
return;
}
}
}
static void do_vm_stop(int reason)
{
if (vm_running) {
cpu_disable_ticks();
vm_running = 0;
pause_all_vcpus();
vm_state_notify(0, reason);
}
}
void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque)
{
QEMUResetEntry **pre, *re;
pre = &first_reset_entry;
while (*pre != NULL && (*pre)->order >= order) {
pre = &(*pre)->next;
}
re = qemu_mallocz(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
re->order = order;
re->next = NULL;
*pre = re;
}
void qemu_system_reset(void)
{
QEMUResetEntry *re;
/* reset all devices */
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
re->func(re->opaque);
}
}
void qemu_system_reset_request(void)
{
if (no_reboot) {
shutdown_requested = 1;
} else {
reset_requested = 1;
}
qemu_notify_event();
}
void qemu_system_shutdown_request(void)
{
shutdown_requested = 1;
qemu_notify_event();
}
void qemu_system_powerdown_request(void)
{
powerdown_requested = 1;
qemu_notify_event();
}
#ifdef CONFIG_IOTHREAD
static void qemu_system_vmstop_request(int reason)
{
vmstop_requested = reason;
qemu_notify_event();
}
#endif
#ifndef _WIN32
static int io_thread_fd = -1;
static void qemu_event_increment(void)
{
static const char byte = 0;
if (io_thread_fd == -1)
return;
write(io_thread_fd, &byte, sizeof(byte));
}
static void qemu_event_read(void *opaque)
{
int fd = (unsigned long)opaque;
ssize_t len;
/* Drain the notify pipe */
do {
char buffer[512];
len = read(fd, buffer, sizeof(buffer));
} while ((len == -1 && errno == EINTR) || len > 0);
}
static int qemu_event_init(void)
{
int err;
int fds[2];
err = pipe(fds);
if (err == -1)
return -errno;
err = fcntl_setfl(fds[0], O_NONBLOCK);
if (err < 0)
goto fail;
err = fcntl_setfl(fds[1], O_NONBLOCK);
if (err < 0)
goto fail;
qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
(void *)(unsigned long)fds[0]);
io_thread_fd = fds[1];
return 0;
fail:
close(fds[0]);
close(fds[1]);
return err;
}
#else
HANDLE qemu_event_handle;
static void dummy_event_handler(void *opaque)
{
}
static int qemu_event_init(void)
{
qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!qemu_event_handle) {
perror("Failed CreateEvent");
return -1;
}
qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
return 0;
}
static void qemu_event_increment(void)
{
SetEvent(qemu_event_handle);
}
#endif
static int cpu_can_run(CPUState *env)
{
if (env->stop)
return 0;
if (env->stopped)
return 0;
if (!vm_running)
return 0;
return 1;
}
#ifndef CONFIG_IOTHREAD
static int qemu_init_main_loop(void)
{
return qemu_event_init();
}
void qemu_init_vcpu(void *_env)
{
CPUState *env = _env;
if (kvm_enabled())
kvm_init_vcpu(env);
return;
}
int qemu_cpu_self(void *env)
{
return 1;
}
static void resume_all_vcpus(void)
{
}
static void pause_all_vcpus(void)
{
}
void qemu_cpu_kick(void *env)
{
return;
}
void qemu_notify_event(void)
{
CPUState *env = cpu_single_env;
if (env) {
cpu_exit(env);
}
}
#define qemu_mutex_lock_iothread() do { } while (0)
#define qemu_mutex_unlock_iothread() do { } while (0)
void vm_stop(int reason)
{
do_vm_stop(reason);
}
#else /* CONFIG_IOTHREAD */
#include "qemu-thread.h"
QemuMutex qemu_global_mutex;
static QemuMutex qemu_fair_mutex;
static QemuThread io_thread;
static QemuThread *tcg_cpu_thread;
static QemuCond *tcg_halt_cond;
static int qemu_system_ready;
/* cpu creation */
static QemuCond qemu_cpu_cond;
/* system init */
static QemuCond qemu_system_cond;
static QemuCond qemu_pause_cond;
static void block_io_signals(void);
static void unblock_io_signals(void);
static int tcg_has_work(void);
static int qemu_init_main_loop(void)
{
int ret;
ret = qemu_event_init();
if (ret)
return ret;
qemu_cond_init(&qemu_pause_cond);
qemu_mutex_init(&qemu_fair_mutex);
qemu_mutex_init(&qemu_global_mutex);
qemu_mutex_lock(&qemu_global_mutex);
unblock_io_signals();
qemu_thread_self(&io_thread);
return 0;
}
static void qemu_wait_io_event(CPUState *env)
{
while (!tcg_has_work())
qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
qemu_mutex_unlock(&qemu_global_mutex);
/*
* Users of qemu_global_mutex can be starved, having no chance
* to acquire it since this path will get to it first.
* So use another lock to provide fairness.
*/
qemu_mutex_lock(&qemu_fair_mutex);
qemu_mutex_unlock(&qemu_fair_mutex);
qemu_mutex_lock(&qemu_global_mutex);
if (env->stop) {
env->stop = 0;
env->stopped = 1;
qemu_cond_signal(&qemu_pause_cond);
}
}
static int qemu_cpu_exec(CPUState *env);
static void *kvm_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
block_io_signals();
qemu_thread_self(env->thread);
/* signal CPU creation */
qemu_mutex_lock(&qemu_global_mutex);
env->created = 1;
qemu_cond_signal(&qemu_cpu_cond);
/* and wait for machine initialization */
while (!qemu_system_ready)
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
while (1) {
if (cpu_can_run(env))
qemu_cpu_exec(env);
qemu_wait_io_event(env);
}
return NULL;
}
static void tcg_cpu_exec(void);
static void *tcg_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
block_io_signals();
qemu_thread_self(env->thread);
/* signal CPU creation */
qemu_mutex_lock(&qemu_global_mutex);
for (env = first_cpu; env != NULL; env = env->next_cpu)
env->created = 1;
qemu_cond_signal(&qemu_cpu_cond);
/* and wait for machine initialization */
while (!qemu_system_ready)
qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
while (1) {
tcg_cpu_exec();
qemu_wait_io_event(cur_cpu);
}
return NULL;
}
void qemu_cpu_kick(void *_env)
{
CPUState *env = _env;
qemu_cond_broadcast(env->halt_cond);
if (kvm_enabled())
qemu_thread_signal(env->thread, SIGUSR1);
}
int qemu_cpu_self(void *env)
{
return (cpu_single_env != NULL);
}
static void cpu_signal(int sig)
{
if (cpu_single_env)
cpu_exit(cpu_single_env);
}
static void block_io_signals(void)
{
sigset_t set;
struct sigaction sigact;
sigemptyset(&set);
sigaddset(&set, SIGUSR2);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigemptyset(&set);
sigaddset(&set, SIGUSR1);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = cpu_signal;
sigaction(SIGUSR1, &sigact, NULL);
}
static void unblock_io_signals(void)
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGUSR2);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
sigemptyset(&set);
sigaddset(&set, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &set, NULL);
}
static void qemu_signal_lock(unsigned int msecs)
{
qemu_mutex_lock(&qemu_fair_mutex);
while (qemu_mutex_trylock(&qemu_global_mutex)) {
qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
break;
}
qemu_mutex_unlock(&qemu_fair_mutex);
}
void qemu_mutex_lock_iothread(void)
{
if (kvm_enabled()) {
qemu_mutex_lock(&qemu_fair_mutex);
qemu_mutex_lock(&qemu_global_mutex);
qemu_mutex_unlock(&qemu_fair_mutex);
} else
qemu_signal_lock(100);
}
void qemu_mutex_unlock_iothread(void)
{
qemu_mutex_unlock(&qemu_global_mutex);
}
static int all_vcpus_paused(void)
{
CPUState *penv = first_cpu;
while (penv) {
if (!penv->stopped)
return 0;
penv = (CPUState *)penv->next_cpu;
}
return 1;
}
static void pause_all_vcpus(void)
{
CPUState *penv = first_cpu;
while (penv) {
penv->stop = 1;
qemu_thread_signal(penv->thread, SIGUSR1);
qemu_cpu_kick(penv);
penv = (CPUState *)penv->next_cpu;
}
while (!all_vcpus_paused()) {
qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
penv = first_cpu;
while (penv) {
qemu_thread_signal(penv->thread, SIGUSR1);
penv = (CPUState *)penv->next_cpu;
}
}
}
static void resume_all_vcpus(void)
{
CPUState *penv = first_cpu;
while (penv) {
penv->stop = 0;
penv->stopped = 0;
qemu_thread_signal(penv->thread, SIGUSR1);
qemu_cpu_kick(penv);
penv = (CPUState *)penv->next_cpu;
}
}
static void tcg_init_vcpu(void *_env)
{
CPUState *env = _env;
/* share a single thread for all cpus with TCG */
if (!tcg_cpu_thread) {
env->thread = qemu_mallocz(sizeof(QemuThread));
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
qemu_cond_init(env->halt_cond);
qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
while (env->created == 0)
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
tcg_cpu_thread = env->thread;
tcg_halt_cond = env->halt_cond;
} else {
env->thread = tcg_cpu_thread;
env->halt_cond = tcg_halt_cond;
}
}
static void kvm_start_vcpu(CPUState *env)
{
kvm_init_vcpu(env);
env->thread = qemu_mallocz(sizeof(QemuThread));
env->halt_cond = qemu_mallocz(sizeof(QemuCond));
qemu_cond_init(env->halt_cond);
qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
while (env->created == 0)
qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
}
void qemu_init_vcpu(void *_env)
{
CPUState *env = _env;
if (kvm_enabled())
kvm_start_vcpu(env);
else
tcg_init_vcpu(env);
}
void qemu_notify_event(void)
{
qemu_event_increment();
}
void vm_stop(int reason)
{
QemuThread me;
qemu_thread_self(&me);
if (!qemu_thread_equal(&me, &io_thread)) {
qemu_system_vmstop_request(reason);
/*
* FIXME: should not return to device code in case
* vm_stop() has been requested.
*/
if (cpu_single_env) {
cpu_exit(cpu_single_env);
cpu_single_env->stop = 1;
}
return;
}
do_vm_stop(reason);
}
#endif
#ifdef _WIN32
static void host_main_loop_wait(int *timeout)
{
int ret, ret2, i;
PollingEntry *pe;
/* 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);
}
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);
}
}
*timeout = 0;
}
#else
static void host_main_loop_wait(int *timeout)
{
}
#endif
void main_loop_wait(int timeout)
{
IOHandlerRecord *ioh;
fd_set rfds, wfds, xfds;
int ret, nfds;
struct timeval tv;
qemu_bh_update_timeout(&timeout);
host_main_loop_wait(&timeout);
/* poll any events */
/* XXX: separate device handlers from system ones */
nfds = -1;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&xfds);
QLIST_FOREACH(ioh, &io_handlers, 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 = timeout / 1000;
tv.tv_usec = (timeout % 1000) * 1000;
#if defined(CONFIG_SLIRP)
if (slirp_is_inited()) {
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
}
#endif
qemu_mutex_unlock_iothread();
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
qemu_mutex_lock_iothread();
if (ret > 0) {
IOHandlerRecord *pioh;
QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
if (ioh->deleted) {
QLIST_REMOVE(ioh, next);
qemu_free(ioh);
continue;
}
if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
ioh->fd_read(ioh->opaque);
}
if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
ioh->fd_write(ioh->opaque);
}
}
#if defined(CONFIG_SLIRP)
if (slirp_is_inited()) {
if (ret < 0) {
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&xfds);
}
slirp_select_poll(&rfds, &wfds, &xfds);
}
#endif
qemu_run_all_timers();
/* Check bottom-halves last in case any of the earlier events triggered
them. */
qemu_bh_poll();
}
static int qemu_cpu_exec(CPUState *env)
{
int ret;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
#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;
}
return ret;
}
static void tcg_cpu_exec(void)
{
int ret = 0;
if (next_cpu == NULL)
next_cpu = first_cpu;
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
CPUState *env = cur_cpu = next_cpu;
if (timer_alarm_pending) {
timer_alarm_pending = 0;
break;
}
if (cpu_can_run(env))
ret = qemu_cpu_exec(env);
else if (env->stop)
break;
if (ret == EXCP_DEBUG) {
gdb_set_stop_cpu(env);
debug_requested = 1;
break;
}
}
}
#if 0
static int cpu_has_work(CPUState *env)
{
if (env->stop)
return 1;
if (env->stopped)
return 0;
if (!env->halted)
return 1;
if (qemu_cpu_has_work(env))
return 1;
return 0;
}
static int tcg_has_work(void)
{
CPUState *env;
for (env = first_cpu; env != NULL; env = env->next_cpu)
if (cpu_has_work(env))
return 1;
return 0;
}
#endif
static int vm_can_run(void)
{
if (powerdown_requested)
return 0;
if (reset_requested)
return 0;
if (shutdown_requested)
return 0;
if (debug_requested)
return 0;
return 1;
}
static void main_loop(void)
{
int r;
#ifdef CONFIG_IOTHREAD
qemu_system_ready = 1;
qemu_cond_broadcast(&qemu_system_cond);
#endif
for (;;) {
do {
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
#ifndef CONFIG_IOTHREAD
tcg_cpu_exec();
#endif
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
main_loop_wait(qemu_calculate_timeout());
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
} while (vm_can_run());
if (qemu_debug_requested())
vm_stop(EXCP_DEBUG);
if (qemu_shutdown_requested()) {
if (no_shutdown) {
vm_stop(0);
no_shutdown = 0;
} else
break;
}
if (qemu_reset_requested()) {
pause_all_vcpus();
qemu_system_reset();
resume_all_vcpus();
}
if (qemu_powerdown_requested())
qemu_system_powerdown();
if ((r = qemu_vmstop_requested()))
vm_stop(r);
}
pause_all_vcpus();
}
static void version(void)
{
printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
}
static void help(int exitcode)
{
version();
printf("usage: %s [options] [disk_image]\n"
"\n"
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
"\n"
#define DEF(option, opt_arg, opt_enum, opt_help) \
opt_help
#define DEFHEADING(text) stringify(text) "\n"
#include "qemu-options.h"
#undef DEF
#undef DEFHEADING
#undef GEN_DOCS
"\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 {
#define DEF(option, opt_arg, opt_enum, opt_help) \
opt_enum,
#define DEFHEADING(text)
#include "qemu-options.h"
#undef DEF
#undef DEFHEADING
#undef GEN_DOCS
};
typedef struct QEMUOption {
const char *name;
int flags;
int index;
} QEMUOption;
static const QEMUOption qemu_options[] = {
{ "h", 0, QEMU_OPTION_h },
#define DEF(option, opt_arg, opt_enum, opt_help) \
{ option, opt_arg, opt_enum },
#define DEFHEADING(text)
#include "qemu-options.h"
#undef DEF
#undef DEFHEADING
#undef GEN_DOCS
{ NULL },
};
#ifdef HAS_AUDIO
struct soundhw soundhw[] = {
#ifdef HAS_AUDIO_CHOICE
#if defined(TARGET_I386) || defined(TARGET_MIPS)
{
"pcspk",
"PC speaker",
0,
1,
{ .init_isa = pcspk_audio_init }
},
#endif
#ifdef CONFIG_SB16
{
"sb16",
"Creative Sound Blaster 16",
0,
1,
{ .init_isa = SB16_init }
},
#endif
#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
#ifdef CONFIG_ES1370
{
"es1370",
"ENSONIQ AudioPCI ES1370",
0,
0,
{ .init_pci = es1370_init }
},
#endif
#endif /* HAS_AUDIO_CHOICE */
{ 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
static void select_vgahw (const char *p)
{
const char *opts;
cirrus_vga_enabled = 0;
std_vga_enabled = 0;
vmsvga_enabled = 0;
xenfb_enabled = 0;
if (strstart(p, "std", &opts)) {
std_vga_enabled = 1;
} else if (strstart(p, "cirrus", &opts)) {
cirrus_vga_enabled = 1;
} else if (strstart(p, "vmware", &opts)) {
vmsvga_enabled = 1;
} else if (strstart(p, "xenfb", &opts)) {
xenfb_enabled = 1;
} else if (!strstart(p, "none", &opts)) {
invalid_vga:
fprintf(stderr, "Unknown vga type: %s\n", p);
exit(1);
}
while (*opts) {
const char *nextopt;
if (strstart(opts, ",retrace=", &nextopt)) {
opts = nextopt;
if (strstart(opts, "dumb", &nextopt))
vga_retrace_method = VGA_RETRACE_DUMB;
else if (strstart(opts, "precise", &nextopt))
vga_retrace_method = VGA_RETRACE_PRECISE;
else goto invalid_vga;
} else goto invalid_vga;
opts = nextopt;
}
}
#ifdef _WIN32
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
{
exit(STATUS_CONTROL_C_EXIT);
return TRUE;
}
#endif
int qemu_uuid_parse(const char *str, uint8_t *uuid)
{
int ret;
if(strlen(str) != 36)
return -1;
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
if(ret != 16)
return -1;
#ifdef TARGET_I386
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
#endif
return 0;
}
#define MAX_NET_CLIENTS 32
#ifndef _WIN32
static void termsig_handler(int signal)
{
qemu_system_shutdown_request();
}
static void sigchld_handler(int signal)
{
waitpid(-1, NULL, WNOHANG);
}
static void sighandler_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);
act.sa_handler = sigchld_handler;
act.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &act, NULL);
}
#endif
#ifdef _WIN32
/* Look for support files in the same directory as the executable. */
static char *find_datadir(const char *argv0)
{
char *p;
char buf[MAX_PATH];
DWORD len;
len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
if (len == 0) {
return NULL;
}
buf[len] = 0;
p = buf + len - 1;
while (p != buf && *p != '\\')
p--;
*p = 0;
if (access(buf, R_OK) == 0) {
return qemu_strdup(buf);
}
return NULL;
}
#else /* !_WIN32 */
/* Find a likely location for support files using the location of the binary.
For installed binaries this will be "$bindir/../share/qemu". When
running from the build tree this will be "$bindir/../pc-bios". */
#define SHARE_SUFFIX "/share/qemu"
#define BUILD_SUFFIX "/pc-bios"
static char *find_datadir(const char *argv0)
{
char *dir;
char *p = NULL;
char *res;
#ifdef PATH_MAX
char buf[PATH_MAX];
#endif
size_t max_len;
#if defined(__linux__)
{
int len;
len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
if (len > 0) {
buf[len] = 0;
p = buf;
}
}
#elif defined(__FreeBSD__)
{
int len;
len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
if (len > 0) {
buf[len] = 0;
p = buf;
}
}
#endif
/* If we don't have any way of figuring out the actual executable
location then try argv[0]. */
if (!p) {
#ifdef PATH_MAX
p = buf;
#endif
p = realpath(argv0, p);
if (!p) {
return NULL;
}
}
dir = dirname(p);
dir = dirname(dir);
max_len = strlen(dir) +
MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
res = qemu_mallocz(max_len);
snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
if (access(res, R_OK)) {
snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
if (access(res, R_OK)) {
qemu_free(res);
res = NULL;
}
}
#ifndef PATH_MAX
free(p);
#endif
return res;
}
#undef SHARE_SUFFIX
#undef BUILD_SUFFIX
#endif
char *qemu_find_file(int type, const char *name)
{
int len;
const char *subdir;
char *buf;
/* If name contains path separators then try it as a straight path. */
if ((strchr(name, '/') || strchr(name, '\\'))
&& access(name, R_OK) == 0) {
return qemu_strdup(name);
}
switch (type) {
case QEMU_FILE_TYPE_BIOS:
subdir = "";
break;
case QEMU_FILE_TYPE_KEYMAP:
subdir = "keymaps/";
break;
default:
abort();
}
len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
buf = qemu_mallocz(len);
snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
if (access(buf, R_OK)) {
qemu_free(buf);
return NULL;
}
return buf;
}
int main(int argc, char **argv, char **envp)
{
const char *gdbstub_dev = NULL;
uint32_t boot_devices_bitmap = 0;
int i;
int snapshot, linux_boot, net_boot;
const char *icount_option = NULL;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
const char *boot_devices = "";
DisplayState *ds;
DisplayChangeListener *dcl;
int cyls, heads, secs, translation;
const char *net_clients[MAX_NET_CLIENTS];
int nb_net_clients;
const char *bt_opts[MAX_BT_CMDLINE];
int nb_bt_opts;
int hda_index;
int optind;
const char *r, *optarg;
CharDriverState *monitor_hd = NULL;
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 *virtio_consoles[MAX_VIRTIO_CONSOLES];
int virtio_console_index;
const char *loadvm = NULL;
QEMUMachine *machine;
const char *cpu_model;
const char *usb_devices[MAX_USB_CMDLINE];
int usb_devices_index;
#ifndef _WIN32
int fds[2];
#endif
int tb_size;
const char *pid_file = NULL;
const char *incoming = NULL;
#ifndef _WIN32
int fd = 0;
struct passwd *pwd = NULL;
const char *chroot_dir = NULL;
const char *run_as = NULL;
#endif
CPUState *env;
int show_vnc_port = 0;
init_clocks();
qemu_cache_utils_init(envp);
QLIST_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
module_call_init(MODULE_INIT_MACHINE);
machine = find_default_machine();
cpu_model = NULL;
initrd_filename = NULL;
ram_size = 0;
snapshot = 0;
kernel_filename = NULL;
kernel_cmdline = "";
cyls = heads = secs = 0;
translation = BIOS_ATA_TRANSLATION_AUTO;
monitor_device = "vc:80Cx24C";
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:80Cx24C";
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
parallel_devices[i] = NULL;
parallel_device_index = 0;
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++)
virtio_consoles[i] = NULL;
virtio_console_index = 0;
for (i = 0; i < MAX_NODES; i++) {
node_mem[i] = 0;
node_cpumask[i] = 0;
}
usb_devices_index = 0;
nb_net_clients = 0;
nb_bt_opts = 0;
nb_drives = 0;
nb_drives_opt = 0;
nb_numa_nodes = 0;
hda_index = -1;
nb_nics = 0;
tb_size = 0;
autostart= 1;
register_watchdogs();
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->is_default ? " (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_numa:
if (nb_numa_nodes >= MAX_NODES) {
fprintf(stderr, "qemu: too many NUMA nodes\n");
exit(1);
}
numa_add(optarg);
break;
case QEMU_OPTION_nographic:
display_type = DT_NOGRAPHIC;
break;
#ifdef CONFIG_CURSES
case QEMU_OPTION_curses:
display_type = DT_CURSES;
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;
#ifndef _WIN32
case QEMU_OPTION_smb:
net_slirp_smb(optarg);
break;
#endif
case QEMU_OPTION_redir:
net_slirp_redir(NULL, optarg, NULL);
break;
#endif
case QEMU_OPTION_bt:
if (nb_bt_opts >= MAX_BT_CMDLINE) {
fprintf(stderr, "qemu: too many bluetooth options\n");
exit(1);
}
bt_opts[nb_bt_opts++] = optarg;
break;
#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_version:
version();
exit(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) && HOST_LONG_BITS == 32) {
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;
const 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;
case QEMU_OPTION_s:
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
break;
case QEMU_OPTION_gdb:
gdbstub_dev = optarg;
break;
case QEMU_OPTION_L:
data_dir = optarg;
break;
case QEMU_OPTION_bios:
bios_name = optarg;
break;
case QEMU_OPTION_singlestep:
singlestep = 1;
break;
case QEMU_OPTION_S:
autostart = 0;
break;
#ifndef _WIN32
case QEMU_OPTION_k:
keyboard_layout = optarg;
break;
#endif
case QEMU_OPTION_localtime:
rtc_utc = 0;
break;
case QEMU_OPTION_vga:
select_vgahw (optarg);
break;
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
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;
#endif
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_watchdog:
i = select_watchdog(optarg);
if (i > 0)
exit (i == 1 ? 1 : 0);
break;
case QEMU_OPTION_watchdog_action:
if (select_watchdog_action(optarg) == -1) {
fprintf(stderr, "Unknown -watchdog-action parameter\n");
exit(1);
}
break;
case QEMU_OPTION_virtiocon:
if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
fprintf(stderr, "qemu: too many virtio consoles\n");
exit(1);
}
virtio_consoles[virtio_console_index] = optarg;
virtio_console_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;
case QEMU_OPTION_sdl:
display_type = DT_SDL;
break;
#endif
case QEMU_OPTION_pidfile:
pid_file = optarg;
break;
#ifdef TARGET_I386
case QEMU_OPTION_win2k_hack:
win2k_install_hack = 1;
break;
case QEMU_OPTION_rtc_td_hack:
rtc_td_hack = 1;
break;
case QEMU_OPTION_acpitable:
if(acpi_table_add(optarg) < 0) {
fprintf(stderr, "Wrong acpi table provided\n");
exit(1);
}
break;
case QEMU_OPTION_smbios:
if(smbios_entry_add(optarg) < 0) {
fprintf(stderr, "Wrong smbios provided\n");
exit(1);
}
break;
#endif
#ifdef CONFIG_KQEMU
case QEMU_OPTION_no_kqemu:
kqemu_allowed = 0;
break;
case QEMU_OPTION_kernel_kqemu:
kqemu_allowed = 2;
break;
#endif
#ifdef CONFIG_KVM
case QEMU_OPTION_enable_kvm:
kvm_allowed = 1;
#ifdef CONFIG_KQEMU
kqemu_allowed = 0;
#endif
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) {
fprintf(stderr, "Invalid number of CPUs\n");
exit(1);
}
break;
case QEMU_OPTION_vnc:
display_type = DT_VNC;
vnc_display = optarg;
break;
#ifdef TARGET_I386
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
break;
case QEMU_OPTION_no_hpet:
no_hpet = 1;
break;
case QEMU_OPTION_no_virtio_balloon:
no_virtio_balloon = 1;
break;
#endif
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
case QEMU_OPTION_no_shutdown:
no_shutdown = 1;
break;
case QEMU_OPTION_show_cursor:
cursor_hide = 0;
break;
case QEMU_OPTION_uuid:
if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
fprintf(stderr, "Fail to parse UUID string."
" Wrong format.\n");
exit(1);
}
break;
#ifndef _WIN32
case QEMU_OPTION_daemonize:
daemonize = 1;
break;
#endif
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;
#if defined(TARGET_ARM) || defined(TARGET_M68K)
case QEMU_OPTION_semihosting:
semihosting_enabled = 1;
break;
#endif
case QEMU_OPTION_name:
qemu_name = optarg;
break;
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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:
icount_option = optarg;
break;
case QEMU_OPTION_incoming:
incoming = optarg;
break;
#ifndef _WIN32
case QEMU_OPTION_chroot:
chroot_dir = optarg;
break;
case QEMU_OPTION_runas:
run_as = optarg;
break;
#endif
#ifdef CONFIG_XEN
case QEMU_OPTION_xen_domid:
xen_domid = atoi(optarg);
break;
case QEMU_OPTION_xen_create:
xen_mode = XEN_CREATE;
break;
case QEMU_OPTION_xen_attach:
xen_mode = XEN_ATTACH;
break;
#endif
}
}
}
/* If no data_dir is specified then try to find it relative to the
executable path. */
if (!data_dir) {
data_dir = find_datadir(argv[0]);
}
/* If all else fails use the install patch specified when building. */
if (!data_dir) {
data_dir = CONFIG_QEMU_SHAREDIR;
}
#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
if (kvm_allowed && kqemu_allowed) {
fprintf(stderr,
"You can not enable both KVM and kqemu at the same time\n");
exit(1);
}
#endif
machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
if (smp_cpus > machine->max_cpus) {
fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
"supported by machine `%s' (%d)\n", smp_cpus, machine->name,
machine->max_cpus);
exit(1);
}
if (display_type == DT_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);
}
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);
}
#endif
#ifdef CONFIG_KQEMU
if (smp_cpus > 1)
kqemu_allowed = 0;
#endif
if (qemu_init_main_loop()) {
fprintf(stderr, "qemu_init_main_loop failed\n");
exit(1);
}
linux_boot = (kernel_filename != NULL);
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
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);
if (init_timer_alarm() < 0) {
fprintf(stderr, "could not initialize alarm timer\n");
exit(1);
}
configure_icount(icount_option);
#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);
}
net_client_check();
#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];
char *filename;
if (net_boot & (1 << i)) {
if (model == NULL)
model = "ne2k_pci";
snprintf(buf, sizeof(buf), "pxe-%s.bin", model);
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf);
if (filename && get_image_size(filename) > 0) {
if (nb_option_roms >= MAX_OPTION_ROMS) {
fprintf(stderr, "Too many option ROMs\n");
exit(1);
}
option_rom[nb_option_roms] = qemu_strdup(buf);
nb_option_roms++;
netroms++;
}
if (filename) {
qemu_free(filename);
}
}
}
if (netroms == 0) {
fprintf(stderr, "No valid PXE rom found for network device\n");
exit(1);
}
}
#endif
/* init the bluetooth world */
for (i = 0; i < nb_bt_opts; i++)
if (bt_parse(bt_opts[i]))
exit(1);
/* init the memory */
if (ram_size == 0)
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
#ifdef CONFIG_KQEMU
/* FIXME: This is a nasty hack because kqemu can't cope with dynamic
guest ram allocation. It needs to go away. */
if (kqemu_allowed) {
kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024;
kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size);
if (!kqemu_phys_ram_base) {
fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
}
}
#endif
/* 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_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
sighandler_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 (nb_numa_nodes > 0) {
int i;
if (nb_numa_nodes > smp_cpus) {
nb_numa_nodes = smp_cpus;
}
/* If no memory size if given for any node, assume the default case
* and distribute the available memory equally across all nodes
*/
for (i = 0; i < nb_numa_nodes; i++) {
if (node_mem[i] != 0)
break;
}
if (i == nb_numa_nodes) {
uint64_t usedmem = 0;
/* On Linux, the each node's border has to be 8MB aligned,
* the final node gets the rest.
*/
for (i = 0; i < nb_numa_nodes - 1; i++) {
node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
usedmem += node_mem[i];
}
node_mem[i] = ram_size - usedmem;
}
for (i = 0; i < nb_numa_nodes; i++) {
if (node_cpumask[i] != 0)
break;
}
/* assigning the VCPUs round-robin is easier to implement, guest OSes
* must cope with this anyway, because there are BIOSes out there in
* real machines which also use this scheme.
*/
if (i == nb_numa_nodes) {
for (i = 0; i < smp_cpus; i++) {
node_cpumask[i % nb_numa_nodes] |= 1 << i;
}
}
}
if (kvm_enabled()) {
int ret;
ret = kvm_init(smp_cpus);
if (ret < 0) {
fprintf(stderr, "failed to initialize KVM\n");
exit(1);
}
}
if (monitor_device) {
monitor_hd = qemu_chr_open("monitor", monitor_device, NULL);
if (!monitor_hd) {
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
exit(1);
}
}
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
const char *devname = serial_devices[i];
if (devname && strcmp(devname, "none")) {
char label[32];
snprintf(label, sizeof(label), "serial%d", i);
serial_hds[i] = qemu_chr_open(label, devname, NULL);
if (!serial_hds[i]) {
fprintf(stderr, "qemu: could not open serial device '%s'\n",
devname);
exit(1);
}
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
const char *devname = parallel_devices[i];
if (devname && strcmp(devname, "none")) {
char label[32];
snprintf(label, sizeof(label), "parallel%d", i);
parallel_hds[i] = qemu_chr_open(label, devname, NULL);
if (!parallel_hds[i]) {
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
devname);
exit(1);
}
}
}
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
const char *devname = virtio_consoles[i];
if (devname && strcmp(devname, "none")) {
char label[32];
snprintf(label, sizeof(label), "virtcon%d", i);
virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
if (!virtcon_hds[i]) {
fprintf(stderr, "qemu: could not open virtio console '%s'\n",
devname);
exit(1);
}
}
}
module_call_init(MODULE_INIT_DEVICE);
machine->init(ram_size, boot_devices,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
for (i = 0; i < nb_numa_nodes; i++) {
if (node_cpumask[i] & (1 << env->cpu_index)) {
env->numa_node = i;
}
}
}
current_machine = machine;
/* Set KVM's vcpu state to qemu's initial CPUState. */
if (kvm_enabled()) {
int ret;
ret = kvm_sync_vcpus();
if (ret < 0) {
fprintf(stderr, "failed to initialize vcpus\n");
exit(1);
}
}
/* init USB devices */
if (usb_enabled) {
for(i = 0; i < usb_devices_index; i++) {
if (usb_device_add(usb_devices[i], 0) < 0) {
fprintf(stderr, "Warning: could not add USB device %s\n",
usb_devices[i]);
}
}
}
if (!display_state)
dumb_display_init();
/* just use the first displaystate for the moment */
ds = display_state;
if (display_type == DT_DEFAULT) {
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
display_type = DT_SDL;
#else
display_type = DT_VNC;
vnc_display = "localhost:0,to=99";
show_vnc_port = 1;
#endif
}
switch (display_type) {
case DT_NOGRAPHIC:
break;
#if defined(CONFIG_CURSES)
case DT_CURSES:
curses_display_init(ds, full_screen);
break;
#endif
#if defined(CONFIG_SDL)
case DT_SDL:
sdl_display_init(ds, full_screen, no_frame);
break;
#elif defined(CONFIG_COCOA)
case DT_SDL:
cocoa_display_init(ds, full_screen);
break;
#endif
case DT_VNC:
vnc_display_init(ds);
if (vnc_display_open(ds, vnc_display) < 0)
exit(1);
if (show_vnc_port) {
printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
}
break;
default:
break;
}
dpy_resize(ds);
dcl = ds->listeners;
while (dcl != NULL) {
if (dcl->dpy_refresh != NULL) {
ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
}
dcl = dcl->next;
}
if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
}
text_consoles_set_display(display_state);
qemu_chr_initial_reset();
if (monitor_device && monitor_hd)
monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT);
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
const char *devname = serial_devices[i];
if (devname && strcmp(devname, "none")) {
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")) {
if (strstart(devname, "vc", 0))
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
}
}
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
const char *devname = virtio_consoles[i];
if (virtcon_hds[i] && devname) {
if (strstart(devname, "vc", 0))
qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
}
}
if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
gdbstub_dev);
exit(1);
}
if (loadvm)
do_loadvm(cur_mon, loadvm);
if (incoming) {
autostart = 0; /* fixme how to deal with -daemonize */
qemu_start_incoming_migration(incoming);
}
if (autostart)
vm_start();
#ifndef _WIN32
if (daemonize) {
uint8_t status = 0;
ssize_t len;
again1:
len = write(fds[1], &status, 1);
if (len == -1 && (errno == EINTR))
goto again1;
if (len != 1)
exit(1);
if (chdir("/")) {
perror("not able to chdir to /");
exit(1);
}
TFR(fd = qemu_open("/dev/null", O_RDWR));
if (fd == -1)
exit(1);
}
if (run_as) {
pwd = getpwnam(run_as);
if (!pwd) {
fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
exit(1);
}
}
if (chroot_dir) {
if (chroot(chroot_dir) < 0) {
fprintf(stderr, "chroot failed\n");
exit(1);
}
if (chdir("/")) {
perror("not able to chdir to /");
exit(1);
}
}
if (run_as) {
if (setgid(pwd->pw_gid) < 0) {
fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
exit(1);
}
if (setuid(pwd->pw_uid) < 0) {
fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
exit(1);
}
if (setuid(0) != -1) {
fprintf(stderr, "Dropping privileges failed\n");
exit(1);
}
}
if (daemonize) {
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
close(fd);
}
#endif
main_loop();
quit_timers();
net_cleanup();
return 0;
}