* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#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 "net.h"
-#include "console.h"
-#include "sysemu.h"
-#include "gdbstub.h"
-#include "qemu-timer.h"
-#include "qemu-char.h"
-#include "block.h"
-#include "audio/audio.h"
-#include "migration.h"
-#include "kvm.h"
-
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/time.h>
#include <zlib.h>
+/* Needed early for HOST_BSD etc. */
+#include "config-host.h"
+
#ifndef _WIN32
+#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>
-#include <arpa/inet.h>
-#ifdef _BSD
+#ifdef HOST_BSD
#include <sys/stat.h>
-#if !defined(__APPLE__) && !defined(__OpenBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <libutil.h>
-#endif
-#ifdef __OpenBSD__
-#include <net/if.h>
+#else
+#include <util.h>
#endif
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
#include <freebsd/stdlib.h>
#else
#ifdef __linux__
-#include <linux/if.h>
-#include <linux/if_tun.h>
#include <pty.h>
#include <malloc.h>
#include <linux/rtc.h>
#endif
#endif
-#include "qemu_socket.h"
-
-#if defined(CONFIG_SLIRP)
-#include "libslirp.h"
-#endif
-
#if defined(__OpenBSD__)
#include <util.h>
#endif
#endif
#ifdef _WIN32
+#include <windows.h>
#include <malloc.h>
#include <sys/timeb.h>
#include <mmsystem.h>
#ifdef CONFIG_SDL
#ifdef __APPLE__
#include <SDL/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 */
#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"
-#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
-#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
-#ifdef __sun__
-#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
-#else
-#define SMBD_COMMAND "/usr/sbin/smbd"
+#include "qemu_socket.h"
+
+#if defined(CONFIG_SLIRP)
+#include "libslirp.h"
#endif
//#define DEBUG_UNUSED_IOPORT
//#define DEBUG_NET
//#define DEBUG_SLIRP
-#ifdef TARGET_PPC
-#define DEFAULT_RAM_SIZE 144
+
+#ifdef DEBUG_IOPORT
+# define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
#else
-#define DEFAULT_RAM_SIZE 128
+# define LOG_IOPORT(...) do { } while (0)
#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
to store the VM snapshots */
DriveInfo drives_table[MAX_DRIVES+1];
int nb_drives;
-/* point to the block driver where the snapshots are managed */
-static BlockDriverState *bs_snapshots;
-static int vga_ram_size;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
-DisplayState display_state;
-int nographic;
-static int curses;
+static DisplayState *display_state;
+DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
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;
#ifdef TARGET_SPARC
int graphic_width = 1024;
int graphic_height = 768;
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 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;
#endif
const char *qemu_name;
int alt_grab = 0;
-#ifdef TARGET_SPARC
+#if defined(TARGET_SPARC) || defined(TARGET_PPC)
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
#endif
-static int nb_drives_opt;
-static struct drive_opt {
- const char *file;
- char opt[1024];
-} drives_opt[MAX_DRIVES];
+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 event_pending = 1;
+static int timer_alarm_pending = 1;
/* Conversion factor from emulated instructions to virtual clock ticks. */
static int icount_time_shift;
/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
static int64_t qemu_icount_bias;
static QEMUTimer *icount_rt_timer;
static QEMUTimer *icount_vm_timer;
+static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
ioport_write_table[0][i] = default_ioport_writeb;
ioport_write_table[1][i] = default_ioport_writew;
ioport_write_table[2][i] = default_ioport_writel;
+
+ ioport_opaque[i] = NULL;
}
}
void cpu_outb(CPUState *env, int addr, int val)
{
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "outb: %04x %02x\n", addr, val);
-#endif
+ LOG_IOPORT("outb: %04x %02x\n", addr, val);
ioport_write(0, addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
void cpu_outw(CPUState *env, int addr, int val)
{
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "outw: %04x %04x\n", addr, val);
-#endif
+ LOG_IOPORT("outw: %04x %04x\n", addr, val);
ioport_write(1, addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
void cpu_outl(CPUState *env, int addr, int val)
{
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "outl: %04x %08x\n", addr, val);
-#endif
+ LOG_IOPORT("outl: %04x %08x\n", addr, val);
ioport_write(2, addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
{
int val;
val = ioport_read(0, addr);
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "inb : %04x %02x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
+ LOG_IOPORT("inb : %04x %02x\n", addr, val);
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
{
int val;
val = ioport_read(1, addr);
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "inw : %04x %04x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
+ LOG_IOPORT("inw : %04x %04x\n", addr, val);
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
{
int val;
val = ioport_read(2, addr);
-#ifdef DEBUG_IOPORT
- if (loglevel & CPU_LOG_IOPORT)
- fprintf(logfile, "inl : %04x %08x\n", addr, val);
-#endif
-#ifdef USE_KQEMU
+ LOG_IOPORT("inl : %04x %08x\n", addr, val);
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#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;
+}
/***********************************************************/
/* keyboard/mouse */
QEMUPutMouseEntry *s, *cursor;
s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
- if (!s)
- return NULL;
s->qemu_put_mouse_event = func;
s->qemu_put_mouse_event_opaque = opaque;
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
}
-void do_info_mice(void)
+void do_info_mice(Monitor *mon)
{
QEMUPutMouseEntry *cursor;
int index = 0;
if (!qemu_put_mouse_event_head) {
- term_printf("No mouse devices connected\n");
+ monitor_printf(mon, "No mouse devices connected\n");
return;
}
- term_printf("Mouse devices available:\n");
+ monitor_printf(mon, "Mouse devices available:\n");
cursor = qemu_put_mouse_event_head;
while (cursor != NULL) {
- term_printf("%c Mouse #%d: %s\n",
- (cursor == qemu_put_mouse_event_current ? '*' : ' '),
- index, cursor->qemu_put_mouse_event_name);
+ monitor_printf(mon, "%c Mouse #%d: %s\n",
+ (cursor == qemu_put_mouse_event_current ? '*' : ' '),
+ index, cursor->qemu_put_mouse_event_name);
index++;
cursor = cursor->next;
}
}
-void do_mouse_set(int index)
+void do_mouse_set(Monitor *mon, int index)
{
QEMUPutMouseEntry *cursor;
int i = 0;
if (!qemu_put_mouse_event_head) {
- term_printf("No mouse devices connected\n");
+ monitor_printf(mon, "No mouse devices connected\n");
return;
}
if (cursor != NULL)
qemu_put_mouse_event_current = cursor;
else
- term_printf("Mouse at given index not found\n");
+ monitor_printf(mon, "Mouse at given index not found\n");
}
/* compute with 96 bit intermediate result: (a*b)/c */
static void init_get_clock(void)
{
use_rt_clock = 0;
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
+#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
+ || defined(__DragonFly__)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
static int64_t get_clock(void)
{
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
+#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
+ || defined(__DragonFly__)
if (use_rt_clock) {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
{
- return t->flags & ALARM_FLAG_DYNTICKS;
+ return t && (t->flags & ALARM_FLAG_DYNTICKS);
}
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
#define MIN_TIMER_REARM_US 250
static struct qemu_alarm_timer *alarm_timer;
-static int alarm_timer_rfd, alarm_timer_wfd;
#ifdef _WIN32
struct qemu_alarm_win32 {
MMRESULT timerId;
- HANDLE host_alarm;
unsigned int period;
-} alarm_win32_data = {0, NULL, -1};
+} alarm_win32_data = {0, -1};
static int win32_start_timer(struct qemu_alarm_timer *t);
static void win32_stop_timer(struct qemu_alarm_timer *t);
{
int i;
int cur = 0;
- int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
+ int count = ARRAY_SIZE(alarm_timers) - 1;
char *arg;
char *name;
struct qemu_alarm_timer tmp;
{
QEMUClock *clock;
clock = qemu_mallocz(sizeof(QEMUClock));
- if (!clock)
- return NULL;
clock->type = type;
return clock;
}
qemu_rearm_alarm_timer(alarm_timer);
}
/* Interrupt execution to force deadline recalculation. */
- if (use_icount && cpu_single_env) {
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
- }
+ if (use_icount)
+ qemu_notify_event();
}
}
return 0;
}
+static void qemu_event_increment(void);
+
#ifdef _WIN32
-void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
- DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
+static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
+ DWORD_PTR dwUser, DWORD_PTR dw1,
+ DWORD_PTR dw2)
#else
static void host_alarm_handler(int host_signum)
#endif
qemu_get_clock(vm_clock))) ||
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
qemu_get_clock(rt_clock))) {
- CPUState *env = next_cpu;
- static const char byte = 0;
-
-#ifdef _WIN32
- struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
- SetEvent(data->host_alarm);
-#endif
-
- write(alarm_timer_wfd, &byte, sizeof(byte));
- alarm_timer->flags |= ALARM_FLAG_EXPIRED;
+ qemu_event_increment();
+ if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
- if (env) {
+#ifndef CONFIG_IOTHREAD
+ if (next_cpu) {
/* stop the currently executing cpu because a timer occured */
- cpu_interrupt(env, CPU_INTERRUPT_EXIT);
-#ifdef USE_KQEMU
- if (env->kqemu_enabled) {
- kqemu_cpu_interrupt(env);
+ cpu_exit(next_cpu);
+#ifdef CONFIG_KQEMU
+ if (next_cpu->kqemu_enabled) {
+ kqemu_cpu_interrupt(next_cpu);
}
#endif
}
- event_pending = 1;
+#endif
+ timer_alarm_pending = 1;
+ qemu_notify_event();
}
}
sigaction(SIGALRM, &act, NULL);
+ /*
+ * Initialize ev struct to 0 to avoid valgrind complaining
+ * about uninitialized data in timer_create call
+ */
+ memset(&ev, 0, sizeof(ev));
ev.sigev_value.sival_int = 0;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGALRM;
return -1;
}
- t->priv = (void *)host_timer;
+ t->priv = (void *)(long)host_timer;
return 0;
}
static void dynticks_stop_timer(struct qemu_alarm_timer *t)
{
- timer_t host_timer = (timer_t)t->priv;
+ timer_t host_timer = (timer_t)(long)t->priv;
timer_delete(host_timer);
}
static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
{
- timer_t host_timer = (timer_t)t->priv;
+ timer_t host_timer = (timer_t)(long)t->priv;
struct itimerspec timeout;
int64_t nearest_delta_us = INT64_MAX;
int64_t current_us;
#endif /* !defined(_WIN32) */
+
#ifdef _WIN32
static int win32_start_timer(struct qemu_alarm_timer *t)
struct qemu_alarm_win32 *data = t->priv;
UINT flags;
- data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
- if (!data->host_alarm) {
- perror("Failed CreateEvent");
- return -1;
- }
-
memset(&tc, 0, sizeof(tc));
timeGetDevCaps(&tc, sizeof(tc));
if (!data->timerId) {
perror("Failed to initialize win32 alarm timer");
-
timeEndPeriod(data->period);
- CloseHandle(data->host_alarm);
return -1;
}
- qemu_add_wait_object(data->host_alarm, NULL, NULL);
-
return 0;
}
timeKillEvent(data->timerId);
timeEndPeriod(data->period);
-
- CloseHandle(data->host_alarm);
}
static void win32_rearm_timer(struct qemu_alarm_timer *t)
perror("Failed to re-arm win32 alarm timer");
timeEndPeriod(data->period);
- CloseHandle(data->host_alarm);
exit(1);
}
}
#endif /* _WIN32 */
-static void try_to_rearm_timer(void *opaque)
-{
- struct qemu_alarm_timer *t = opaque;
- ssize_t len;
-
- /* Drain the notify pipe */
- do {
- char buffer[512];
- len = read(alarm_timer_rfd, buffer, sizeof(buffer));
- } while ((len == -1 && errno == EINTR) || len > 0);
-
- /* vm time timers */
- if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
- qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
- qemu_get_clock(vm_clock));
-
- /* real time timers */
- qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
- qemu_get_clock(rt_clock));
-
- if (t->flags & ALARM_FLAG_EXPIRED) {
- alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
- qemu_rearm_alarm_timer(alarm_timer);
- }
-}
-
static int init_timer_alarm(void)
{
struct qemu_alarm_timer *t = NULL;
int i, err = -1;
- 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;
-
- alarm_timer_rfd = fds[0];
- alarm_timer_wfd = fds[1];
for (i = 0; alarm_timers[i].name; i++) {
t = &alarm_timers[i];
goto fail;
}
- qemu_set_fd_handler2(alarm_timer_rfd, NULL,
- try_to_rearm_timer, NULL, t);
-
alarm_timer = t;
return 0;
fail:
- close(fds[0]);
- close(fds[1]);
return err;
}
}
#endif
-const char *get_opt_name(char *buf, int buf_size, const char *p)
-{
- char *q;
-
- q = buf;
- while (*p != '\0' && *p != '=') {
- if (q && (q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (q)
- *q = '\0';
-
- return p;
-}
-
-const char *get_opt_value(char *buf, int buf_size, const char *p)
-{
- char *q;
-
- q = buf;
- while (*p != '\0') {
- if (*p == ',') {
- if (*(p + 1) != ',')
- break;
- p++;
- }
- if (q && (q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (q)
- *q = '\0';
-
- return p;
-}
-
int get_param_value(char *buf, int buf_size,
const char *tag, const char *str)
{
p = str;
for(;;) {
- p = get_opt_name(option, sizeof(option), p);
+ p = get_opt_name(option, sizeof(option), p, '=');
if (*p != '=')
break;
p++;
return 0;
}
-int check_params(char *buf, int buf_size,
- const char * const *params, const char *str)
+int check_params(const char * const *params, const char *str)
{
+ int name_buf_size = 1;
const char *p;
- int i;
+ char *name_buf;
+ int i, len;
+ int ret = 0;
+
+ for (i = 0; params[i] != NULL; i++) {
+ len = strlen(params[i]) + 1;
+ if (len > name_buf_size) {
+ name_buf_size = len;
+ }
+ }
+ name_buf = qemu_malloc(name_buf_size);
p = str;
- for(;;) {
- p = get_opt_name(buf, buf_size, p);
- if (*p != '=')
- return -1;
+ while (*p != '\0') {
+ p = get_opt_name(name_buf, name_buf_size, p, '=');
+ if (*p != '=') {
+ ret = -1;
+ break;
+ }
p++;
for(i = 0; params[i] != NULL; i++)
- if (!strcmp(params[i], buf))
+ if (!strcmp(params[i], name_buf))
break;
- if (params[i] == NULL)
- return -1;
+ if (params[i] == NULL) {
+ ret = -1;
+ break;
+ }
p = get_opt_value(NULL, 0, p);
if (*p != ',')
break;
p++;
}
- return 0;
+
+ qemu_free(name_buf);
+ return ret;
}
/***********************************************************/
static int nb_hcis;
static int cur_hci;
static struct HCIInfo *hci_table[MAX_NICS];
-#if 0
+
static struct bt_vlan_s {
struct bt_scatternet_s net;
int id;
*pvlan = vlan;
return &vlan->net;
}
-#endif
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
{
return hci_table[cur_hci++];
}
-/***********************************************************/
-/* QEMU Block devices */
-
-#define HD_ALIAS "index=%d,media=disk"
-#ifdef TARGET_PPC
-#define CDROM_ALIAS "index=1,media=cdrom"
-#else
-#define CDROM_ALIAS "index=2,media=cdrom"
-#endif
-#define FD_ALIAS "index=%d,if=floppy"
-#define PFLASH_ALIAS "if=pflash"
-#define MTD_ALIAS "if=mtd"
-#define SD_ALIAS "index=0,if=sd"
-
-static int drive_add(const char *file, const char *fmt, ...)
+static struct HCIInfo *hci_init(const char *str)
{
- va_list ap;
+ char *endp;
+ struct bt_scatternet_s *vlan = 0;
- if (nb_drives_opt >= MAX_DRIVES) {
- fprintf(stderr, "qemu: too many drives\n");
- exit(1);
+ 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);
}
- drives_opt[nb_drives_opt].file = file;
- va_start(ap, fmt);
- vsnprintf(drives_opt[nb_drives_opt].opt,
- sizeof(drives_opt[0].opt), fmt, ap);
- va_end(ap);
+ fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
- return nb_drives_opt++;
+ return 0;
}
-int drive_get_index(BlockInterfaceType type, int bus, int unit)
+static int bt_hci_parse(const char *str)
{
- int index;
+ struct HCIInfo *hci;
+ bdaddr_t bdaddr;
- /* seek interface, bus and unit */
+ if (nb_hcis >= MAX_NICS) {
+ fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
+ return -1;
+ }
- for (index = 0; index < nb_drives; index++)
- if (drives_table[index].type == type &&
- drives_table[index].bus == bus &&
- drives_table[index].unit == unit)
- return index;
+ hci = hci_init(str);
+ if (!hci)
+ return -1;
- 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);
-int drive_get_max_bus(BlockInterfaceType type)
-{
- int max_bus;
- int index;
+ hci_table[nb_hcis++] = hci;
- 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;
+ return 0;
}
-static void bdrv_format_print(void *opaque, const char *name)
+static void bt_vhci_add(int vlan_id)
{
- fprintf(stderr, " %s", name);
+ 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 int drive_init(struct drive_opt *arg, int snapshot,
- QEMUMachine *machine)
+static struct bt_device_s *bt_device_add(const char *opt)
{
- char buf[128];
- char file[1024];
- char devname[128];
- const char *mediastr = "";
+ 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;
+ 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", NULL };
+ "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);
+ if (check_params(params, str) < 0) {
+ fprintf(stderr, "qemu: unknown parameter in '%s'\n", str);
return -1;
}
unit_id = -1;
translation = BIOS_ATA_TRANSLATION_AUTO;
index = -1;
- cache = 1;
+ cache = 3;
if (machine->use_scsi) {
type = IF_SCSI;
} 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;
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 (drive_get_index(type, bus_id, unit_id) != -1)
- return 0;
+ return -2;
/* init */
snprintf(buf, sizeof(buf), "%s%s%i",
devname, mediastr, unit_id);
bdrv = bdrv_new(buf);
- drives_table[nb_drives].bdrv = bdrv;
- drives_table[nb_drives].type = type;
- drives_table[nb_drives].bus = bus_id;
- drives_table[nb_drives].unit = unit_id;
+ 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) {
break;
case IF_PFLASH:
case IF_MTD:
+ case IF_VIRTIO:
break;
+ case IF_COUNT:
+ abort();
}
if (!file[0])
- return 0;
+ return -2;
bdrv_flags = 0;
if (snapshot) {
bdrv_flags |= BDRV_O_SNAPSHOT;
bdrv_flags |= BDRV_O_NOCACHE;
else if (cache == 2) /* write-back */
bdrv_flags |= BDRV_O_CACHE_WB;
- if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
+ 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;
}
- return 0;
+ 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;
}
/***********************************************************/
return 0;
}
-static int usb_device_add(const char *devname)
+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;
} 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)) {
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;
}
return usb_device_del_addr(bus_num, addr);
}
-void do_usb_add(const char *devname)
+void do_usb_add(Monitor *mon, const char *devname)
{
- usb_device_add(devname);
+ usb_device_add(devname, 1);
}
-void do_usb_del(const char *devname)
+void do_usb_del(Monitor *mon, const char *devname)
{
usb_device_del(devname);
}
-void usb_info(void)
+void usb_info(Monitor *mon)
{
USBDevice *dev;
USBPort *port;
const char *speed_str;
if (!usb_enabled) {
- term_printf("USB support not enabled\n");
+ monitor_printf(mon, "USB support not enabled\n");
return;
}
speed_str = "?";
break;
}
- term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
- 0, dev->addr, speed_str, dev->devname);
+ 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 {
- struct pcmcia_socket_s *socket;
+ PCMCIASocket *socket;
struct pcmcia_socket_entry_s *next;
} *pcmcia_sockets = 0;
-void pcmcia_socket_register(struct pcmcia_socket_s *socket)
+void pcmcia_socket_register(PCMCIASocket *socket)
{
struct pcmcia_socket_entry_s *entry;
pcmcia_sockets = entry;
}
-void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
+void pcmcia_socket_unregister(PCMCIASocket *socket)
{
struct pcmcia_socket_entry_s *entry, **ptr;
}
}
-void pcmcia_info(void)
+void pcmcia_info(Monitor *mon)
{
struct pcmcia_socket_entry_s *iter;
+
if (!pcmcia_sockets)
- term_printf("No PCMCIA sockets\n");
+ monitor_printf(mon, "No PCMCIA sockets\n");
for (iter = pcmcia_sockets; iter; iter = iter->next)
- term_printf("%s: %s\n", iter->socket->slot_string,
- iter->socket->attached ? iter->socket->card_string :
- "Empty");
+ monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
+ iter->socket->attached ? iter->socket->card_string :
+ "Empty");
}
/***********************************************************/
-/* dumb display */
+/* 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;
+}
-static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
+DisplayState *get_displaystate(void)
{
+ return display_state;
}
-static void dumb_resize(DisplayState *ds, int w, int h)
+DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
{
+ if(ds->allocator == &default_allocator) ds->allocator = da;
+ return ds->allocator;
}
-static void dumb_display_init(DisplayState *ds)
+/* dumb display */
+
+static void dumb_display_init(void)
{
- ds->data = NULL;
- ds->linesize = 0;
- ds->depth = 0;
- ds->dpy_update = dumb_update;
- ds->dpy_resize = dumb_resize;
- ds->dpy_refresh = NULL;
- ds->gui_timer_interval = 0;
- ds->idle = 1;
+ DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
+ ds->allocator = &default_allocator;
+ ds->surface = qemu_create_displaysurface(ds, 640, 480);
+ register_displaystate(ds);
}
/***********************************************************/
/* I/O handling */
-#define MAX_IO_HANDLERS 64
-
typedef struct IOHandlerRecord {
int fd;
IOCanRWHandler *fd_read_poll;
goto found;
}
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
- if (!ioh)
- return -1;
ioh->next = first_io_handler;
first_io_handler = ioh;
found:
{
PollingEntry **ppe, *pe;
pe = qemu_mallocz(sizeof(PollingEntry));
- if (!pe)
- return -1;
pe->func = func;
pe->opaque = opaque;
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
}
#endif
-#define SELF_ANNOUNCE_ROUNDS 5
-#define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
-//#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
-#define EXPERIMENTAL_MAGIC 0xf1f23f4f
+/***********************************************************/
+/* ram save/restore */
-static int announce_self_create(uint8_t *buf,
- uint8_t *mac_addr)
+static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
{
- uint32_t magic = EXPERIMENTAL_MAGIC;
- uint16_t proto = htons(ETH_P_EXPERIMENTAL);
+ int v;
- /* FIXME: should we send a different packet (arp/rarp/ping)? */
+ 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;
+ }
- memset(buf, 0xff, 6); /* h_dst */
- memcpy(buf + 6, mac_addr, 6); /* h_src */
- memcpy(buf + 12, &proto, 2); /* h_proto */
- memcpy(buf + 14, &magic, 4); /* magic */
+ if (qemu_file_has_error(f))
+ return -EIO;
- return 18; /* len */
+ return 0;
}
-void qemu_announce_self(void)
+static int ram_load_v1(QEMUFile *f, void *opaque)
{
- int i, j, len;
- VLANState *vlan;
- VLANClientState *vc;
- uint8_t buf[256];
+ int ret;
+ ram_addr_t i;
- for (i = 0; i < nb_nics; i++) {
- len = announce_self_create(buf, nd_table[i].macaddr);
- vlan = nd_table[i].vlan;
- for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
- for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
- vc->fd_read(vc->opaque, buf, len);
- }
+ 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;
}
-}
-
-/***********************************************************/
-/* savevm/loadvm support */
-
-#define IO_BUF_SIZE 32768
-
-struct QEMUFile {
- QEMUFilePutBufferFunc *put_buffer;
- QEMUFileGetBufferFunc *get_buffer;
- QEMUFileCloseFunc *close;
- QEMUFileRateLimit *rate_limit;
- void *opaque;
- int is_write;
-
- int64_t buf_offset; /* start of buffer when writing, end of buffer
- when reading */
- int buf_index;
- int buf_size; /* 0 when writing */
- uint8_t buf[IO_BUF_SIZE];
-
- int has_error;
-};
-
-typedef struct QEMUFileSocket
-{
- int fd;
- QEMUFile *file;
-} QEMUFileSocket;
-
-static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
-{
- QEMUFileSocket *s = opaque;
- ssize_t len;
-
- do {
- len = recv(s->fd, buf, size, 0);
- } while (len == -1 && socket_error() == EINTR);
-
- if (len == -1)
- len = -socket_error();
-
- return len;
-}
-
-static int socket_close(void *opaque)
-{
- QEMUFileSocket *s = opaque;
- qemu_free(s);
return 0;
}
-QEMUFile *qemu_fopen_socket(int fd)
-{
- QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
-
- if (s == NULL)
- return NULL;
-
- s->fd = fd;
- s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL);
- return s->file;
-}
+#define BDRV_HASH_BLOCK_SIZE 1024
+#define IOBUF_SIZE 4096
+#define RAM_CBLOCK_MAGIC 0xfabe
-typedef struct QEMUFileStdio
-{
- FILE *outfile;
-} QEMUFileStdio;
+typedef struct RamDecompressState {
+ z_stream zstream;
+ QEMUFile *f;
+ uint8_t buf[IOBUF_SIZE];
+} RamDecompressState;
-static int file_put_buffer(void *opaque, const uint8_t *buf,
- int64_t pos, int size)
+static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
{
- QEMUFileStdio *s = opaque;
- fseek(s->outfile, pos, SEEK_SET);
- fwrite(buf, 1, size, s->outfile);
- return size;
+ int ret;
+ memset(s, 0, sizeof(*s));
+ s->f = f;
+ ret = inflateInit(&s->zstream);
+ if (ret != Z_OK)
+ return -1;
+ return 0;
}
-static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
+static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
{
- QEMUFileStdio *s = opaque;
- fseek(s->outfile, pos, SEEK_SET);
- return fread(buf, 1, size, s->outfile);
-}
+ int ret, clen;
-static int file_close(void *opaque)
-{
- QEMUFileStdio *s = opaque;
- fclose(s->outfile);
- qemu_free(s);
+ 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;
}
-QEMUFile *qemu_fopen(const char *filename, const char *mode)
+static void ram_decompress_close(RamDecompressState *s)
{
- QEMUFileStdio *s;
-
- s = qemu_mallocz(sizeof(QEMUFileStdio));
- if (!s)
- return NULL;
-
- s->outfile = fopen(filename, mode);
- if (!s->outfile)
- goto fail;
-
- if (!strcmp(mode, "wb"))
- return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
- else if (!strcmp(mode, "rb"))
- return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
-
-fail:
- if (s->outfile)
- fclose(s->outfile);
- qemu_free(s);
- return NULL;
+ inflateEnd(&s->zstream);
}
-typedef struct QEMUFileBdrv
-{
- BlockDriverState *bs;
- int64_t base_offset;
-} QEMUFileBdrv;
+#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 bdrv_put_buffer(void *opaque, const uint8_t *buf,
- int64_t pos, int size)
+static int is_dup_page(uint8_t *page, uint8_t ch)
{
- QEMUFileBdrv *s = opaque;
- bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
- return size;
-}
+ uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
+ uint32_t *array = (uint32_t *)page;
+ int i;
-static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
-{
- QEMUFileBdrv *s = opaque;
- return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
-}
+ for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
+ if (array[i] != val)
+ return 0;
+ }
-static int bdrv_fclose(void *opaque)
-{
- QEMUFileBdrv *s = opaque;
- qemu_free(s);
- return 0;
+ return 1;
}
-static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
+static int ram_save_block(QEMUFile *f)
{
- QEMUFileBdrv *s;
-
- s = qemu_mallocz(sizeof(QEMUFileBdrv));
- if (!s)
- return NULL;
-
- s->bs = bs;
- s->base_offset = offset;
+ static ram_addr_t current_addr = 0;
+ ram_addr_t saved_addr = current_addr;
+ ram_addr_t addr = 0;
+ int found = 0;
- if (is_writable)
- return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
+ while (addr < last_ram_offset) {
+ if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
+ uint8_t *p;
- return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
-}
+ cpu_physical_memory_reset_dirty(current_addr,
+ current_addr + TARGET_PAGE_SIZE,
+ MIGRATION_DIRTY_FLAG);
-QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
- QEMUFileGetBufferFunc *get_buffer,
- QEMUFileCloseFunc *close,
- QEMUFileRateLimit *rate_limit)
-{
- QEMUFile *f;
+ p = qemu_get_ram_ptr(current_addr);
- f = qemu_mallocz(sizeof(QEMUFile));
- if (!f)
- return NULL;
+ 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);
+ }
- f->opaque = opaque;
- f->put_buffer = put_buffer;
- f->get_buffer = get_buffer;
- f->close = close;
- f->rate_limit = rate_limit;
- f->is_write = 0;
+ found = 1;
+ break;
+ }
+ addr += TARGET_PAGE_SIZE;
+ current_addr = (saved_addr + addr) % last_ram_offset;
+ }
- return f;
+ return found;
}
-int qemu_file_has_error(QEMUFile *f)
-{
- return f->has_error;
-}
+static ram_addr_t ram_save_threshold = 10;
+static uint64_t bytes_transferred = 0;
-void qemu_fflush(QEMUFile *f)
+static ram_addr_t ram_save_remaining(void)
{
- if (!f->put_buffer)
- return;
-
- if (f->is_write && f->buf_index > 0) {
- int len;
+ ram_addr_t addr;
+ ram_addr_t count = 0;
- len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
- if (len > 0)
- f->buf_offset += f->buf_index;
- else
- f->has_error = 1;
- f->buf_index = 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;
}
-static void qemu_fill_buffer(QEMUFile *f)
+uint64_t ram_bytes_remaining(void)
{
- int len;
-
- if (!f->get_buffer)
- return;
-
- if (f->is_write)
- abort();
-
- len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
- if (len > 0) {
- f->buf_index = 0;
- f->buf_size = len;
- f->buf_offset += len;
- } else if (len != -EAGAIN)
- f->has_error = 1;
+ return ram_save_remaining() * TARGET_PAGE_SIZE;
}
-int qemu_fclose(QEMUFile *f)
+uint64_t ram_bytes_transferred(void)
{
- int ret = 0;
- qemu_fflush(f);
- if (f->close)
- ret = f->close(f->opaque);
- qemu_free(f);
- return ret;
+ return bytes_transferred;
}
-void qemu_file_put_notify(QEMUFile *f)
+uint64_t ram_bytes_total(void)
{
- f->put_buffer(f->opaque, NULL, 0, 0);
+ return last_ram_offset;
}
-void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
+static int ram_save_live(QEMUFile *f, int stage, void *opaque)
{
- int l;
+ ram_addr_t addr;
- if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
- fprintf(stderr,
- "Attempted to write to buffer while read buffer is not empty\n");
- abort();
+ if (cpu_physical_sync_dirty_bitmap(0, last_ram_offset) != 0) {
+ qemu_file_set_error(f);
+ return 0;
}
- while (!f->has_error && size > 0) {
- l = IO_BUF_SIZE - f->buf_index;
- if (l > size)
- l = size;
- memcpy(f->buf + f->buf_index, buf, l);
- f->is_write = 1;
- f->buf_index += l;
- buf += l;
- size -= l;
- if (f->buf_index >= IO_BUF_SIZE)
- qemu_fflush(f);
- }
-}
+ if (stage == 1) {
+ /* 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);
+ }
-void qemu_put_byte(QEMUFile *f, int v)
-{
- if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
- fprintf(stderr,
- "Attempted to write to buffer while read buffer is not empty\n");
- abort();
+ /* Enable dirty memory tracking */
+ cpu_physical_memory_set_dirty_tracking(1);
+
+ qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
}
- f->buf[f->buf_index++] = v;
- f->is_write = 1;
- if (f->buf_index >= IO_BUF_SIZE)
- qemu_fflush(f);
-}
+ while (!qemu_file_rate_limit(f)) {
+ int ret;
-int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
-{
- int size, l;
+ ret = ram_save_block(f);
+ bytes_transferred += ret * TARGET_PAGE_SIZE;
+ if (ret == 0) /* no more blocks */
+ break;
+ }
- if (f->is_write)
- abort();
+ /* try transferring iterative blocks of memory */
- size = size1;
- while (size > 0) {
- l = f->buf_size - f->buf_index;
- if (l == 0) {
- qemu_fill_buffer(f);
- l = f->buf_size - f->buf_index;
- if (l == 0)
- break;
+ if (stage == 3) {
+
+ /* flush all remaining blocks regardless of rate limiting */
+ while (ram_save_block(f) != 0) {
+ bytes_transferred += TARGET_PAGE_SIZE;
}
- if (l > size)
- l = size;
- memcpy(buf, f->buf + f->buf_index, l);
- f->buf_index += l;
- buf += l;
- size -= l;
+ cpu_physical_memory_set_dirty_tracking(0);
}
- return size1 - size;
-}
-int qemu_get_byte(QEMUFile *f)
-{
- if (f->is_write)
- abort();
+ qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
- if (f->buf_index >= f->buf_size) {
- qemu_fill_buffer(f);
- if (f->buf_index >= f->buf_size)
- return 0;
- }
- return f->buf[f->buf_index++];
+ return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
}
-int64_t qemu_ftell(QEMUFile *f)
+static int ram_load_dead(QEMUFile *f, void *opaque)
{
- return f->buf_offset - f->buf_size + f->buf_index;
-}
+ RamDecompressState s1, *s = &s1;
+ uint8_t buf[10];
+ ram_addr_t i;
-int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
-{
- if (whence == SEEK_SET) {
- /* nothing to do */
- } else if (whence == SEEK_CUR) {
- pos += qemu_ftell(f);
- } else {
- /* SEEK_END not supported */
- return -1;
- }
- if (f->put_buffer) {
- qemu_fflush(f);
- f->buf_offset = pos;
- } else {
- f->buf_offset = pos;
- f->buf_index = 0;
- f->buf_size = 0;
+ 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;
+ }
}
- return pos;
-}
-
-int qemu_file_rate_limit(QEMUFile *f)
-{
- if (f->rate_limit)
- return f->rate_limit(f->opaque);
+ ram_decompress_close(s);
return 0;
}
-void qemu_put_be16(QEMUFile *f, unsigned int v)
+static int ram_load(QEMUFile *f, void *opaque, int version_id)
{
- qemu_put_byte(f, v >> 8);
- qemu_put_byte(f, v);
-}
+ ram_addr_t addr;
+ int flags;
-void qemu_put_be32(QEMUFile *f, unsigned int v)
-{
- qemu_put_byte(f, v >> 24);
- qemu_put_byte(f, v >> 16);
- qemu_put_byte(f, v >> 8);
- qemu_put_byte(f, v);
-}
+ if (version_id == 1)
+ return ram_load_v1(f, opaque);
-void qemu_put_be64(QEMUFile *f, uint64_t v)
-{
- qemu_put_be32(f, v >> 32);
- qemu_put_be32(f, v);
-}
+ if (version_id == 2) {
+ if (qemu_get_be32(f) != last_ram_offset)
+ return -EINVAL;
+ return ram_load_dead(f, opaque);
+ }
-unsigned int qemu_get_be16(QEMUFile *f)
-{
- unsigned int v;
- v = qemu_get_byte(f) << 8;
- v |= qemu_get_byte(f);
- return v;
-}
+ if (version_id != 3)
+ return -EINVAL;
-unsigned int qemu_get_be32(QEMUFile *f)
-{
- unsigned int v;
- v = qemu_get_byte(f) << 24;
- v |= qemu_get_byte(f) << 16;
- v |= qemu_get_byte(f) << 8;
- v |= qemu_get_byte(f);
- return v;
-}
+ do {
+ addr = qemu_get_be64(f);
-uint64_t qemu_get_be64(QEMUFile *f)
-{
- uint64_t v;
- v = (uint64_t)qemu_get_be32(f) << 32;
- v |= qemu_get_be32(f);
- return v;
-}
+ flags = addr & ~TARGET_PAGE_MASK;
+ addr &= TARGET_PAGE_MASK;
-typedef struct SaveStateEntry {
- char idstr[256];
- int instance_id;
- int version_id;
- int section_id;
- SaveLiveStateHandler *save_live_state;
- SaveStateHandler *save_state;
- LoadStateHandler *load_state;
- void *opaque;
- struct SaveStateEntry *next;
-} SaveStateEntry;
-
-static SaveStateEntry *first_se;
-
-/* TODO: Individual devices generally have very little idea about the rest
- of the system, so instance_id should be removed/replaced.
- Meanwhile pass -1 as instance_id if you do not already have a clearly
- distinguishing id for all instances of your device class. */
-int register_savevm_live(const char *idstr,
- int instance_id,
- int version_id,
- SaveLiveStateHandler *save_live_state,
- SaveStateHandler *save_state,
- LoadStateHandler *load_state,
- void *opaque)
-{
- SaveStateEntry *se, **pse;
- static int global_section_id;
+ 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));
- se = qemu_malloc(sizeof(SaveStateEntry));
- if (!se)
- return -1;
- pstrcpy(se->idstr, sizeof(se->idstr), idstr);
- se->instance_id = (instance_id == -1) ? 0 : instance_id;
- se->version_id = version_id;
- se->section_id = global_section_id++;
- se->save_live_state = save_live_state;
- se->save_state = save_state;
- se->load_state = load_state;
- se->opaque = opaque;
- se->next = NULL;
-
- /* add at the end of list */
- pse = &first_se;
- while (*pse != NULL) {
- if (instance_id == -1
- && strcmp(se->idstr, (*pse)->idstr) == 0
- && se->instance_id <= (*pse)->instance_id)
- se->instance_id = (*pse)->instance_id + 1;
- pse = &(*pse)->next;
- }
- *pse = se;
return 0;
}
-int register_savevm(const char *idstr,
- int instance_id,
- int version_id,
- SaveStateHandler *save_state,
- LoadStateHandler *load_state,
- void *opaque)
+void qemu_service_io(void)
{
- return register_savevm_live(idstr, instance_id, version_id,
- NULL, save_state, load_state, opaque);
+ qemu_notify_event();
}
-#define QEMU_VM_FILE_MAGIC 0x5145564d
-#define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
-#define QEMU_VM_FILE_VERSION 0x00000003
-
-#define QEMU_VM_EOF 0x00
-#define QEMU_VM_SECTION_START 0x01
-#define QEMU_VM_SECTION_PART 0x02
-#define QEMU_VM_SECTION_END 0x03
-#define QEMU_VM_SECTION_FULL 0x04
-
-int qemu_savevm_state_begin(QEMUFile *f)
-{
- SaveStateEntry *se;
-
- qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
- qemu_put_be32(f, QEMU_VM_FILE_VERSION);
-
- for (se = first_se; se != NULL; se = se->next) {
- int len;
-
- if (se->save_live_state == NULL)
- continue;
-
- /* Section type */
- qemu_put_byte(f, QEMU_VM_SECTION_START);
- qemu_put_be32(f, se->section_id);
-
- /* ID string */
- len = strlen(se->idstr);
- qemu_put_byte(f, len);
- qemu_put_buffer(f, (uint8_t *)se->idstr, len);
-
- qemu_put_be32(f, se->instance_id);
- qemu_put_be32(f, se->version_id);
+/***********************************************************/
+/* bottom halves (can be seen as timers which expire ASAP) */
- se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
- }
+struct QEMUBH {
+ QEMUBHFunc *cb;
+ void *opaque;
+ int scheduled;
+ int idle;
+ int deleted;
+ QEMUBH *next;
+};
- if (qemu_file_has_error(f))
- return -EIO;
+static QEMUBH *first_bh = NULL;
- return 0;
+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_savevm_state_iterate(QEMUFile *f)
+int qemu_bh_poll(void)
{
- SaveStateEntry *se;
- int ret = 1;
-
- for (se = first_se; se != NULL; se = se->next) {
- if (se->save_live_state == NULL)
- continue;
-
- /* Section type */
- qemu_put_byte(f, QEMU_VM_SECTION_PART);
- qemu_put_be32(f, se->section_id);
+ QEMUBH *bh, **bhp;
+ int ret;
- ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
+ 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);
+ }
}
- if (ret)
- return 1;
-
- if (qemu_file_has_error(f))
- return -EIO;
+ /* remove deleted bhs */
+ bhp = &first_bh;
+ while (*bhp) {
+ bh = *bhp;
+ if (bh->deleted) {
+ *bhp = bh->next;
+ qemu_free(bh);
+ } else
+ bhp = &bh->next;
+ }
- return 0;
+ return ret;
}
-int qemu_savevm_state_complete(QEMUFile *f)
+void qemu_bh_schedule_idle(QEMUBH *bh)
{
- SaveStateEntry *se;
-
- for (se = first_se; se != NULL; se = se->next) {
- if (se->save_live_state == NULL)
- continue;
-
- /* Section type */
- qemu_put_byte(f, QEMU_VM_SECTION_END);
- qemu_put_be32(f, se->section_id);
-
- se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
- }
-
- for(se = first_se; se != NULL; se = se->next) {
- int len;
-
- if (se->save_state == NULL)
- continue;
-
- /* Section type */
- qemu_put_byte(f, QEMU_VM_SECTION_FULL);
- qemu_put_be32(f, se->section_id);
-
- /* ID string */
- len = strlen(se->idstr);
- qemu_put_byte(f, len);
- qemu_put_buffer(f, (uint8_t *)se->idstr, len);
-
- qemu_put_be32(f, se->instance_id);
- qemu_put_be32(f, se->version_id);
-
- se->save_state(f, se->opaque);
- }
-
- qemu_put_byte(f, QEMU_VM_EOF);
-
- if (qemu_file_has_error(f))
- return -EIO;
-
- return 0;
+ if (bh->scheduled)
+ return;
+ bh->scheduled = 1;
+ bh->idle = 1;
}
-int qemu_savevm_state(QEMUFile *f)
+void qemu_bh_schedule(QEMUBH *bh)
{
- int saved_vm_running;
- int ret;
-
- saved_vm_running = vm_running;
- vm_stop(0);
-
- bdrv_flush_all();
-
- ret = qemu_savevm_state_begin(f);
- if (ret < 0)
- goto out;
-
- do {
- ret = qemu_savevm_state_iterate(f);
- if (ret < 0)
- goto out;
- } while (ret == 0);
-
- ret = qemu_savevm_state_complete(f);
-
-out:
- if (qemu_file_has_error(f))
- ret = -EIO;
-
- if (!ret && saved_vm_running)
- vm_start();
-
- return ret;
+ if (bh->scheduled)
+ return;
+ bh->scheduled = 1;
+ bh->idle = 0;
+ /* stop the currently executing CPU to execute the BH ASAP */
+ qemu_notify_event();
}
-static SaveStateEntry *find_se(const char *idstr, int instance_id)
+void qemu_bh_cancel(QEMUBH *bh)
{
- SaveStateEntry *se;
-
- for(se = first_se; se != NULL; se = se->next) {
- if (!strcmp(se->idstr, idstr) &&
- instance_id == se->instance_id)
- return se;
- }
- return NULL;
+ bh->scheduled = 0;
}
-typedef struct LoadStateEntry {
- SaveStateEntry *se;
- int section_id;
- int version_id;
- struct LoadStateEntry *next;
-} LoadStateEntry;
-
-static int qemu_loadvm_state_v2(QEMUFile *f)
+void qemu_bh_delete(QEMUBH *bh)
{
- SaveStateEntry *se;
- int len, ret, instance_id, record_len, version_id;
- int64_t total_len, end_pos, cur_pos;
- char idstr[256];
-
- total_len = qemu_get_be64(f);
- end_pos = total_len + qemu_ftell(f);
- for(;;) {
- if (qemu_ftell(f) >= end_pos)
- break;
- len = qemu_get_byte(f);
- qemu_get_buffer(f, (uint8_t *)idstr, len);
- idstr[len] = '\0';
- instance_id = qemu_get_be32(f);
- version_id = qemu_get_be32(f);
- record_len = qemu_get_be32(f);
- cur_pos = qemu_ftell(f);
- se = find_se(idstr, instance_id);
- if (!se) {
- fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
- instance_id, idstr);
- } else {
- ret = se->load_state(f, se->opaque, version_id);
- if (ret < 0) {
- fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
- instance_id, idstr);
- }
- }
- /* always seek to exact end of record */
- qemu_fseek(f, cur_pos + record_len, SEEK_SET);
- }
-
- if (qemu_file_has_error(f))
- return -EIO;
-
- return 0;
+ bh->scheduled = 0;
+ bh->deleted = 1;
}
-int qemu_loadvm_state(QEMUFile *f)
+static void qemu_bh_update_timeout(int *timeout)
{
- LoadStateEntry *first_le = NULL;
- uint8_t section_type;
- unsigned int v;
- int ret;
-
- v = qemu_get_be32(f);
- if (v != QEMU_VM_FILE_MAGIC)
- return -EINVAL;
-
- v = qemu_get_be32(f);
- if (v == QEMU_VM_FILE_VERSION_COMPAT)
- return qemu_loadvm_state_v2(f);
- if (v != QEMU_VM_FILE_VERSION)
- return -ENOTSUP;
-
- while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
- uint32_t instance_id, version_id, section_id;
- LoadStateEntry *le;
- SaveStateEntry *se;
- char idstr[257];
- int len;
-
- switch (section_type) {
- case QEMU_VM_SECTION_START:
- case QEMU_VM_SECTION_FULL:
- /* Read section start */
- section_id = qemu_get_be32(f);
- len = qemu_get_byte(f);
- qemu_get_buffer(f, (uint8_t *)idstr, len);
- idstr[len] = 0;
- instance_id = qemu_get_be32(f);
- version_id = qemu_get_be32(f);
-
- /* Find savevm section */
- se = find_se(idstr, instance_id);
- if (se == NULL) {
- fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
- ret = -EINVAL;
- goto out;
- }
-
- /* Validate version */
- if (version_id > se->version_id) {
- fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
- version_id, idstr, se->version_id);
- ret = -EINVAL;
- goto out;
- }
-
- /* Add entry */
- le = qemu_mallocz(sizeof(*le));
- if (le == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- le->se = se;
- le->section_id = section_id;
- le->version_id = version_id;
- le->next = first_le;
- first_le = le;
+ QEMUBH *bh;
- le->se->load_state(f, le->se->opaque, le->version_id);
- break;
- case QEMU_VM_SECTION_PART:
- case QEMU_VM_SECTION_END:
- section_id = qemu_get_be32(f);
-
- for (le = first_le; le && le->section_id != section_id; le = le->next);
- if (le == NULL) {
- fprintf(stderr, "Unknown savevm section %d\n", section_id);
- ret = -EINVAL;
- goto out;
+ 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;
}
-
- le->se->load_state(f, le->se->opaque, le->version_id);
- break;
- default:
- fprintf(stderr, "Unknown savevm section type %d\n", section_type);
- ret = -EINVAL;
- goto out;
}
}
-
- ret = 0;
-
-out:
- while (first_le) {
- LoadStateEntry *le = first_le;
- first_le = first_le->next;
- qemu_free(le);
- }
-
- if (qemu_file_has_error(f))
- ret = -EIO;
-
- return ret;
}
-/* device can contain snapshots */
-static int bdrv_can_snapshot(BlockDriverState *bs)
-{
- return (bs &&
- !bdrv_is_removable(bs) &&
- !bdrv_is_read_only(bs));
-}
+/***********************************************************/
+/* machine registration */
-/* device must be snapshots in order to have a reliable snapshot */
-static int bdrv_has_snapshot(BlockDriverState *bs)
+static QEMUMachine *first_machine = NULL;
+QEMUMachine *current_machine = NULL;
+
+int qemu_register_machine(QEMUMachine *m)
{
- return (bs &&
- !bdrv_is_removable(bs) &&
- !bdrv_is_read_only(bs));
+ QEMUMachine **pm;
+ pm = &first_machine;
+ while (*pm != NULL)
+ pm = &(*pm)->next;
+ m->next = NULL;
+ *pm = m;
+ return 0;
}
-static BlockDriverState *get_bs_snapshots(void)
+static QEMUMachine *find_machine(const char *name)
{
- BlockDriverState *bs;
- int i;
+ QEMUMachine *m;
- if (bs_snapshots)
- return bs_snapshots;
- for(i = 0; i <= nb_drives; i++) {
- bs = drives_table[i].bdrv;
- if (bdrv_can_snapshot(bs))
- goto ok;
+ for(m = first_machine; m != NULL; m = m->next) {
+ if (!strcmp(m->name, name))
+ return m;
}
return NULL;
- ok:
- bs_snapshots = bs;
- return bs;
}
-static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
- const char *name)
+static QEMUMachine *find_default_machine(void)
{
- QEMUSnapshotInfo *sn_tab, *sn;
- int nb_sns, i, ret;
+ QEMUMachine *m;
- ret = -ENOENT;
- nb_sns = bdrv_snapshot_list(bs, &sn_tab);
- if (nb_sns < 0)
- return ret;
- for(i = 0; i < nb_sns; i++) {
- sn = &sn_tab[i];
- if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
- *sn_info = *sn;
- ret = 0;
- break;
+ for(m = first_machine; m != NULL; m = m->next) {
+ if (m->is_default) {
+ return m;
}
}
- qemu_free(sn_tab);
- return ret;
+ return NULL;
}
-void do_savevm(const char *name)
-{
- BlockDriverState *bs, *bs1;
- QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
- int must_delete, ret, i;
- BlockDriverInfo bdi1, *bdi = &bdi1;
- QEMUFile *f;
- int saved_vm_running;
-#ifdef _WIN32
- struct _timeb tb;
-#else
- struct timeval tv;
-#endif
-
- bs = get_bs_snapshots();
- if (!bs) {
- term_printf("No block device can accept snapshots\n");
- return;
- }
-
- /* ??? Should this occur after vm_stop? */
- qemu_aio_flush();
+/***********************************************************/
+/* main execution loop */
- saved_vm_running = vm_running;
- vm_stop(0);
+static void gui_update(void *opaque)
+{
+ uint64_t interval = GUI_REFRESH_INTERVAL;
+ DisplayState *ds = opaque;
+ DisplayChangeListener *dcl = ds->listeners;
- must_delete = 0;
- if (name) {
- ret = bdrv_snapshot_find(bs, old_sn, name);
- if (ret >= 0) {
- must_delete = 1;
- }
- }
- memset(sn, 0, sizeof(*sn));
- if (must_delete) {
- pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
- pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
- } else {
- if (name)
- pstrcpy(sn->name, sizeof(sn->name), name);
- }
+ dpy_refresh(ds);
- /* fill auxiliary fields */
-#ifdef _WIN32
- _ftime(&tb);
- sn->date_sec = tb.time;
- sn->date_nsec = tb.millitm * 1000000;
-#else
- gettimeofday(&tv, NULL);
- sn->date_sec = tv.tv_sec;
- sn->date_nsec = tv.tv_usec * 1000;
-#endif
- sn->vm_clock_nsec = qemu_get_clock(vm_clock);
-
- if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
- term_printf("Device %s does not support VM state snapshots\n",
- bdrv_get_device_name(bs));
- goto the_end;
- }
-
- /* save the VM state */
- f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
- if (!f) {
- term_printf("Could not open VM state file\n");
- goto the_end;
- }
- ret = qemu_savevm_state(f);
- sn->vm_state_size = qemu_ftell(f);
- qemu_fclose(f);
- if (ret < 0) {
- term_printf("Error %d while writing VM\n", ret);
- goto the_end;
- }
-
- /* create the snapshots */
-
- for(i = 0; i < nb_drives; i++) {
- bs1 = drives_table[i].bdrv;
- if (bdrv_has_snapshot(bs1)) {
- if (must_delete) {
- ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
- if (ret < 0) {
- term_printf("Error while deleting snapshot on '%s'\n",
- bdrv_get_device_name(bs1));
- }
- }
- ret = bdrv_snapshot_create(bs1, sn);
- if (ret < 0) {
- term_printf("Error while creating snapshot on '%s'\n",
- bdrv_get_device_name(bs1));
- }
- }
+ while (dcl != NULL) {
+ if (dcl->gui_timer_interval &&
+ dcl->gui_timer_interval < interval)
+ interval = dcl->gui_timer_interval;
+ dcl = dcl->next;
}
-
- the_end:
- if (saved_vm_running)
- vm_start();
+ qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
}
-void do_loadvm(const char *name)
+static void nographic_update(void *opaque)
{
- BlockDriverState *bs, *bs1;
- BlockDriverInfo bdi1, *bdi = &bdi1;
- QEMUFile *f;
- int i, ret;
- int saved_vm_running;
+ uint64_t interval = GUI_REFRESH_INTERVAL;
- bs = get_bs_snapshots();
- if (!bs) {
- term_printf("No block device supports snapshots\n");
- return;
- }
+ qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
+}
- /* Flush all IO requests so they don't interfere with the new state. */
- qemu_aio_flush();
+struct vm_change_state_entry {
+ VMChangeStateHandler *cb;
+ void *opaque;
+ LIST_ENTRY (vm_change_state_entry) entries;
+};
- saved_vm_running = vm_running;
- vm_stop(0);
+static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
- for(i = 0; i <= nb_drives; i++) {
- bs1 = drives_table[i].bdrv;
- if (bdrv_has_snapshot(bs1)) {
- ret = bdrv_snapshot_goto(bs1, name);
- if (ret < 0) {
- if (bs != bs1)
- term_printf("Warning: ");
- switch(ret) {
- case -ENOTSUP:
- term_printf("Snapshots not supported on device '%s'\n",
- bdrv_get_device_name(bs1));
- break;
- case -ENOENT:
- term_printf("Could not find snapshot '%s' on device '%s'\n",
- name, bdrv_get_device_name(bs1));
- break;
- default:
- term_printf("Error %d while activating snapshot on '%s'\n",
- ret, bdrv_get_device_name(bs1));
- break;
- }
- /* fatal on snapshot block device */
- if (bs == bs1)
- goto the_end;
- }
- }
- }
+VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
+ void *opaque)
+{
+ VMChangeStateEntry *e;
- if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
- term_printf("Device %s does not support VM state snapshots\n",
- bdrv_get_device_name(bs));
- return;
- }
+ e = qemu_mallocz(sizeof (*e));
- /* restore the VM state */
- f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
- if (!f) {
- term_printf("Could not open VM state file\n");
- goto the_end;
- }
- ret = qemu_loadvm_state(f);
- qemu_fclose(f);
- if (ret < 0) {
- term_printf("Error %d while loading VM state\n", ret);
- }
- the_end:
- if (saved_vm_running)
- vm_start();
+ e->cb = cb;
+ e->opaque = opaque;
+ LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
+ return e;
}
-void do_delvm(const char *name)
+void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
{
- BlockDriverState *bs, *bs1;
- int i, ret;
-
- bs = get_bs_snapshots();
- if (!bs) {
- term_printf("No block device supports snapshots\n");
- return;
- }
-
- for(i = 0; i <= nb_drives; i++) {
- bs1 = drives_table[i].bdrv;
- if (bdrv_has_snapshot(bs1)) {
- ret = bdrv_snapshot_delete(bs1, name);
- if (ret < 0) {
- if (ret == -ENOTSUP)
- term_printf("Snapshots not supported on device '%s'\n",
- bdrv_get_device_name(bs1));
- else
- term_printf("Error %d while deleting snapshot on '%s'\n",
- ret, bdrv_get_device_name(bs1));
- }
- }
- }
+ LIST_REMOVE (e, entries);
+ qemu_free (e);
}
-void do_info_snapshots(void)
+static void vm_state_notify(int running, int reason)
{
- BlockDriverState *bs, *bs1;
- QEMUSnapshotInfo *sn_tab, *sn;
- int nb_sns, i;
- char buf[256];
-
- bs = get_bs_snapshots();
- if (!bs) {
- term_printf("No available block device supports snapshots\n");
- return;
- }
- term_printf("Snapshot devices:");
- for(i = 0; i <= nb_drives; i++) {
- bs1 = drives_table[i].bdrv;
- if (bdrv_has_snapshot(bs1)) {
- if (bs == bs1)
- term_printf(" %s", bdrv_get_device_name(bs1));
- }
- }
- term_printf("\n");
+ VMChangeStateEntry *e;
- nb_sns = bdrv_snapshot_list(bs, &sn_tab);
- if (nb_sns < 0) {
- term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
- return;
- }
- term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
- term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
- for(i = 0; i < nb_sns; i++) {
- sn = &sn_tab[i];
- term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
+ for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
+ e->cb(e->opaque, running, reason);
}
- qemu_free(sn_tab);
}
-/***********************************************************/
-/* ram save/restore */
+static void resume_all_vcpus(void);
+static void pause_all_vcpus(void);
-static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
+void vm_start(void)
{
- 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 (!vm_running) {
+ cpu_enable_ticks();
+ vm_running = 1;
+ vm_state_notify(1, 0);
+ qemu_rearm_alarm_timer(alarm_timer);
+ resume_all_vcpus();
}
-
- 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) != phys_ram_size)
- return -EINVAL;
- for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
- ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
- if (ret)
- return ret;
- }
- return 0;
-}
+/* reset/shutdown handler */
-#define BDRV_HASH_BLOCK_SIZE 1024
-#define IOBUF_SIZE 4096
-#define RAM_CBLOCK_MAGIC 0xfabe
+typedef struct QEMUResetEntry {
+ QEMUResetHandler *func;
+ void *opaque;
+ int order;
+ struct QEMUResetEntry *next;
+} QEMUResetEntry;
-typedef struct RamDecompressState {
- z_stream zstream;
- QEMUFile *f;
- uint8_t buf[IOBUF_SIZE];
-} RamDecompressState;
+static QEMUResetEntry *first_reset_entry;
+static int reset_requested;
+static int shutdown_requested;
+static int powerdown_requested;
+static int debug_requested;
+static int vmstop_requested;
-static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
+int qemu_shutdown_requested(void)
{
- int ret;
- memset(s, 0, sizeof(*s));
- s->f = f;
- ret = inflateInit(&s->zstream);
- if (ret != Z_OK)
- return -1;
- return 0;
+ int r = shutdown_requested;
+ shutdown_requested = 0;
+ return r;
}
-static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
+int qemu_reset_requested(void)
{
- 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;
+ int r = reset_requested;
+ reset_requested = 0;
+ return r;
}
-static void ram_decompress_close(RamDecompressState *s)
+int qemu_powerdown_requested(void)
{
- inflateEnd(&s->zstream);
+ int r = powerdown_requested;
+ powerdown_requested = 0;
+ return r;
}
-#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 qemu_debug_requested(void)
+{
+ int r = debug_requested;
+ debug_requested = 0;
+ return r;
+}
-static int is_dup_page(uint8_t *page, uint8_t ch)
+static int qemu_vmstop_requested(void)
{
- uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
- uint32_t *array = (uint32_t *)page;
- int i;
+ int r = vmstop_requested;
+ vmstop_requested = 0;
+ return r;
+}
- for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
- if (array[i] != val)
- return 0;
+static void do_vm_stop(int reason)
+{
+ if (vm_running) {
+ cpu_disable_ticks();
+ vm_running = 0;
+ pause_all_vcpus();
+ vm_state_notify(0, reason);
}
-
- return 1;
}
-static int ram_save_block(QEMUFile *f)
+void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque)
{
- static ram_addr_t current_addr = 0;
- ram_addr_t saved_addr = current_addr;
- ram_addr_t addr = 0;
- int found = 0;
-
- while (addr < phys_ram_size) {
- if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
- uint8_t ch;
-
- cpu_physical_memory_reset_dirty(current_addr,
- current_addr + TARGET_PAGE_SIZE,
- MIGRATION_DIRTY_FLAG);
-
- ch = *(phys_ram_base + current_addr);
-
- if (is_dup_page(phys_ram_base + current_addr, ch)) {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
- qemu_put_byte(f, ch);
- } else {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
- qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
- }
+ QEMUResetEntry **pre, *re;
- found = 1;
- break;
- }
- addr += TARGET_PAGE_SIZE;
- current_addr = (saved_addr + addr) % phys_ram_size;
+ pre = &first_reset_entry;
+ while (*pre != NULL && (*pre)->order >= order) {
+ pre = &(*pre)->next;
}
-
- return found;
+ re = qemu_mallocz(sizeof(QEMUResetEntry));
+ re->func = func;
+ re->opaque = opaque;
+ re->order = order;
+ re->next = NULL;
+ *pre = re;
}
-static ram_addr_t ram_save_threshold = 10;
-
-static ram_addr_t ram_save_remaining(void)
+void qemu_system_reset(void)
{
- ram_addr_t addr;
- ram_addr_t count = 0;
+ QEMUResetEntry *re;
- for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
- if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
- count++;
+ /* reset all devices */
+ for(re = first_reset_entry; re != NULL; re = re->next) {
+ re->func(re->opaque);
}
-
- return count;
}
-static int ram_save_live(QEMUFile *f, int stage, void *opaque)
+void qemu_system_reset_request(void)
{
- ram_addr_t addr;
-
- if (stage == 1) {
- /* Make sure all dirty bits are set */
- for (addr = 0; addr < phys_ram_size; 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, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
+ if (no_reboot) {
+ shutdown_requested = 1;
+ } else {
+ reset_requested = 1;
}
+ qemu_notify_event();
+}
- while (!qemu_file_rate_limit(f)) {
- int ret;
+void qemu_system_shutdown_request(void)
+{
+ shutdown_requested = 1;
+ qemu_notify_event();
+}
- ret = ram_save_block(f);
- if (ret == 0) /* no more blocks */
- break;
- }
+void qemu_system_powerdown_request(void)
+{
+ powerdown_requested = 1;
+ qemu_notify_event();
+}
- /* try transferring iterative blocks of memory */
+#ifdef CONFIG_IOTHREAD
+static void qemu_system_vmstop_request(int reason)
+{
+ vmstop_requested = reason;
+ qemu_notify_event();
+}
+#endif
- if (stage == 3) {
- cpu_physical_memory_set_dirty_tracking(0);
+#ifndef _WIN32
+static int io_thread_fd = -1;
- /* flush all remaining blocks regardless of rate limiting */
- while (ram_save_block(f) != 0);
- }
+static void qemu_event_increment(void)
+{
+ static const char byte = 0;
- qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
+ if (io_thread_fd == -1)
+ return;
- return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
+ write(io_thread_fd, &byte, sizeof(byte));
}
-static int ram_load_dead(QEMUFile *f, void *opaque)
+static void qemu_event_read(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 < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
- if (ram_decompress_buf(s, buf, 1) < 0) {
- fprintf(stderr, "Error while reading ram block header\n");
- goto error;
- }
- if (buf[0] == 0) {
- if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
- fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
- goto error;
- }
- } else {
- error:
- printf("Error block header\n");
- return -EINVAL;
- }
- }
- ram_decompress_close(s);
+ int fd = (unsigned long)opaque;
+ ssize_t len;
- return 0;
+ /* Drain the notify pipe */
+ do {
+ char buffer[512];
+ len = read(fd, buffer, sizeof(buffer));
+ } while ((len == -1 && errno == EINTR) || len > 0);
}
-static int ram_load(QEMUFile *f, void *opaque, int version_id)
+static int qemu_event_init(void)
{
- ram_addr_t addr;
- int flags;
+ int err;
+ int fds[2];
- if (version_id == 1)
- return ram_load_v1(f, opaque);
+ err = pipe(fds);
+ if (err == -1)
+ return -errno;
- if (version_id == 2) {
- if (qemu_get_be32(f) != phys_ram_size)
- return -EINVAL;
- return ram_load_dead(f, opaque);
- }
+ err = fcntl_setfl(fds[0], O_NONBLOCK);
+ if (err < 0)
+ goto fail;
- if (version_id != 3)
- return -EINVAL;
+ err = fcntl_setfl(fds[1], O_NONBLOCK);
+ if (err < 0)
+ goto fail;
- do {
- addr = qemu_get_be64(f);
+ qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
+ (void *)(unsigned long)fds[0]);
- flags = addr & ~TARGET_PAGE_MASK;
- addr &= TARGET_PAGE_MASK;
+ io_thread_fd = fds[1];
+ return 0;
- if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
- if (addr != phys_ram_size)
- return -EINVAL;
- }
+fail:
+ close(fds[0]);
+ close(fds[1]);
+ return err;
+}
+#else
+HANDLE qemu_event_handle;
- 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(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
- } else if (flags & RAM_SAVE_FLAG_PAGE)
- qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
- } while (!(flags & RAM_SAVE_FLAG_EOS));
+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;
}
-void qemu_service_io(void)
+static void qemu_event_increment(void)
{
- CPUState *env = cpu_single_env;
- if (env) {
- cpu_interrupt(env, CPU_INTERRUPT_EXIT);
-#ifdef USE_KQEMU
- if (env->kqemu_enabled) {
- kqemu_cpu_interrupt(env);
- }
+ SetEvent(qemu_event_handle);
+}
#endif
- }
+
+static int cpu_can_run(CPUState *env)
+{
+ if (env->stop)
+ return 0;
+ if (env->stopped)
+ return 0;
+ return 1;
}
-/***********************************************************/
-/* bottom halves (can be seen as timers which expire ASAP) */
+#ifndef CONFIG_IOTHREAD
+static int qemu_init_main_loop(void)
+{
+ return qemu_event_init();
+}
-struct QEMUBH {
- QEMUBHFunc *cb;
- void *opaque;
- int scheduled;
- int idle;
- int deleted;
- QEMUBH *next;
-};
+void qemu_init_vcpu(void *_env)
+{
+ CPUState *env = _env;
-static QEMUBH *first_bh = NULL;
+ if (kvm_enabled())
+ kvm_init_vcpu(env);
+ return;
+}
-QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
+int qemu_cpu_self(void *env)
{
- QEMUBH *bh;
- bh = qemu_mallocz(sizeof(QEMUBH));
- if (!bh)
- return NULL;
- bh->cb = cb;
- bh->opaque = opaque;
- bh->next = first_bh;
- first_bh = bh;
- return bh;
+ return 1;
}
-int qemu_bh_poll(void)
+static void resume_all_vcpus(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;
+static void pause_all_vcpus(void)
+{
}
-void qemu_bh_schedule_idle(QEMUBH *bh)
+void qemu_cpu_kick(void *env)
{
- if (bh->scheduled)
- return;
- bh->scheduled = 1;
- bh->idle = 1;
+ return;
}
-void qemu_bh_schedule(QEMUBH *bh)
+void qemu_notify_event(void)
{
CPUState *env = cpu_single_env;
- if (bh->scheduled)
- return;
- bh->scheduled = 1;
- bh->idle = 0;
- /* stop the currently executing CPU to execute the BH ASAP */
+
if (env) {
- cpu_interrupt(env, CPU_INTERRUPT_EXIT);
- }
+ cpu_exit(env);
+#ifdef USE_KQEMU
+ if (env->kqemu_enabled)
+ kqemu_cpu_interrupt(env);
+#endif
+ }
}
-void qemu_bh_cancel(QEMUBH *bh)
-{
- bh->scheduled = 0;
-}
+#define qemu_mutex_lock_iothread() do { } while (0)
+#define qemu_mutex_unlock_iothread() do { } while (0)
-void qemu_bh_delete(QEMUBH *bh)
+void vm_stop(int reason)
{
- bh->scheduled = 0;
- bh->deleted = 1;
+ do_vm_stop(reason);
}
-static void qemu_bh_update_timeout(int *timeout)
-{
- QEMUBH *bh;
+#else /* CONFIG_IOTHREAD */
- 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;
- }
- }
- }
-}
+#include "qemu-thread.h"
-/***********************************************************/
-/* machine registration */
+QemuMutex qemu_global_mutex;
+static QemuMutex qemu_fair_mutex;
-static QEMUMachine *first_machine = NULL;
+static QemuThread io_thread;
-int qemu_register_machine(QEMUMachine *m)
+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)
{
- QEMUMachine **pm;
- pm = &first_machine;
- while (*pm != NULL)
- pm = &(*pm)->next;
- m->next = NULL;
- *pm = m;
+ 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 QEMUMachine *find_machine(const char *name)
+static void qemu_wait_io_event(CPUState *env)
{
- QEMUMachine *m;
+ while (!tcg_has_work())
+ qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
- for(m = first_machine; m != NULL; m = m->next) {
- if (!strcmp(m->name, name))
- return m;
+ 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);
}
- return NULL;
}
-/***********************************************************/
-/* main execution loop */
+static int qemu_cpu_exec(CPUState *env);
-static void gui_update(void *opaque)
+static void *kvm_cpu_thread_fn(void *arg)
{
- DisplayState *ds = opaque;
- ds->dpy_refresh(ds);
- qemu_mod_timer(ds->gui_timer,
- (ds->gui_timer_interval ?
- ds->gui_timer_interval :
- GUI_REFRESH_INTERVAL)
- + qemu_get_clock(rt_clock));
-}
+ CPUState *env = arg;
-struct vm_change_state_entry {
- VMChangeStateHandler *cb;
- void *opaque;
- LIST_ENTRY (vm_change_state_entry) entries;
-};
+ block_io_signals();
+ qemu_thread_self(env->thread);
-static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
+ /* signal CPU creation */
+ qemu_mutex_lock(&qemu_global_mutex);
+ env->created = 1;
+ qemu_cond_signal(&qemu_cpu_cond);
-VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
- void *opaque)
-{
- VMChangeStateEntry *e;
+ /* and wait for machine initialization */
+ while (!qemu_system_ready)
+ qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
- e = qemu_mallocz(sizeof (*e));
- if (!e)
- return NULL;
+ while (1) {
+ if (cpu_can_run(env))
+ qemu_cpu_exec(env);
+ qemu_wait_io_event(env);
+ }
- e->cb = cb;
- e->opaque = opaque;
- LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
- return e;
+ return NULL;
}
-void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
-{
- LIST_REMOVE (e, entries);
- qemu_free (e);
-}
+static void tcg_cpu_exec(void);
-static void vm_state_notify(int running)
+static void *tcg_cpu_thread_fn(void *arg)
{
- VMChangeStateEntry *e;
+ CPUState *env = arg;
- for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
- e->cb(e->opaque, running);
+ 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);
}
-}
-/* XXX: support several handlers */
-static VMStopHandler *vm_stop_cb;
-static void *vm_stop_opaque;
+ return NULL;
+}
-int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
+void qemu_cpu_kick(void *_env)
{
- vm_stop_cb = cb;
- vm_stop_opaque = opaque;
- return 0;
+ CPUState *env = _env;
+ qemu_cond_broadcast(env->halt_cond);
+ if (kvm_enabled())
+ qemu_thread_signal(env->thread, SIGUSR1);
}
-void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
+int qemu_cpu_self(void *env)
{
- vm_stop_cb = NULL;
+ return (cpu_single_env != NULL);
}
-void vm_start(void)
+static void cpu_signal(int sig)
{
- if (!vm_running) {
- cpu_enable_ticks();
- vm_running = 1;
- vm_state_notify(1);
- qemu_rearm_alarm_timer(alarm_timer);
- }
+ if (cpu_single_env)
+ cpu_exit(cpu_single_env);
}
-void vm_stop(int reason)
+static void block_io_signals(void)
{
- if (vm_running) {
- cpu_disable_ticks();
- vm_running = 0;
- if (reason != 0) {
- if (vm_stop_cb) {
- vm_stop_cb(vm_stop_opaque, reason);
- }
- }
- vm_state_notify(0);
- }
+ 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);
}
-/* reset/shutdown handler */
+static void unblock_io_signals(void)
+{
+ sigset_t set;
-typedef struct QEMUResetEntry {
- QEMUResetHandler *func;
- void *opaque;
- struct QEMUResetEntry *next;
-} QEMUResetEntry;
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR2);
+ sigaddset(&set, SIGIO);
+ sigaddset(&set, SIGALRM);
+ pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-static QEMUResetEntry *first_reset_entry;
-static int reset_requested;
-static int shutdown_requested;
-static int powerdown_requested;
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR1);
+ pthread_sigmask(SIG_BLOCK, &set, NULL);
+}
-int qemu_shutdown_requested(void)
+static void qemu_signal_lock(unsigned int msecs)
{
- int r = shutdown_requested;
- shutdown_requested = 0;
- return r;
+ 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);
}
-int qemu_reset_requested(void)
+static void qemu_mutex_lock_iothread(void)
{
- int r = reset_requested;
- reset_requested = 0;
- return r;
+ 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);
+}
+
+static void qemu_mutex_unlock_iothread(void)
+{
+ qemu_mutex_unlock(&qemu_global_mutex);
}
-int qemu_powerdown_requested(void)
-{
- int r = powerdown_requested;
- powerdown_requested = 0;
- return r;
+static int all_vcpus_paused(void)
+{
+ CPUState *penv = first_cpu;
+
+ while (penv) {
+ if (!penv->stopped)
+ return 0;
+ penv = (CPUState *)penv->next_cpu;
+ }
+
+ return 1;
}
-void qemu_register_reset(QEMUResetHandler *func, void *opaque)
+static void pause_all_vcpus(void)
{
- QEMUResetEntry **pre, *re;
+ CPUState *penv = first_cpu;
- pre = &first_reset_entry;
- while (*pre != NULL)
- pre = &(*pre)->next;
- re = qemu_mallocz(sizeof(QEMUResetEntry));
- re->func = func;
- re->opaque = opaque;
- re->next = NULL;
- *pre = re;
+ 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;
+ }
+ }
}
-void qemu_system_reset(void)
+static void resume_all_vcpus(void)
{
- QEMUResetEntry *re;
+ CPUState *penv = first_cpu;
- /* reset all devices */
- for(re = first_reset_entry; re != NULL; re = re->next) {
- re->func(re->opaque);
+ while (penv) {
+ penv->stop = 0;
+ penv->stopped = 0;
+ qemu_thread_signal(penv->thread, SIGUSR1);
+ qemu_cpu_kick(penv);
+ penv = (CPUState *)penv->next_cpu;
}
}
-void qemu_system_reset_request(void)
+static void tcg_init_vcpu(void *_env)
{
- if (no_reboot) {
- shutdown_requested = 1;
+ 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 {
- reset_requested = 1;
+ env->thread = tcg_cpu_thread;
+ env->halt_cond = tcg_halt_cond;
}
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
}
-void qemu_system_shutdown_request(void)
+static void kvm_start_vcpu(CPUState *env)
{
- shutdown_requested = 1;
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+ 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_system_powerdown_request(void)
+void qemu_init_vcpu(void *_env)
{
- powerdown_requested = 1;
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+ 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
-void host_main_loop_wait(int *timeout)
+static void host_main_loop_wait(int *timeout)
{
int ret, ret2, i;
PollingEntry *pe;
*timeout = 0;
}
#else
-void host_main_loop_wait(int *timeout)
+static void host_main_loop_wait(int *timeout)
{
}
#endif
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;
}
#endif
+ /* rearm timer, if not periodic */
+ if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
+ alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
+ qemu_rearm_alarm_timer(alarm_timer);
+ }
+
+ /* vm time timers */
+ if (vm_running) {
+ if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
+ qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock));
+ }
+
+ /* real time timers */
+ qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock));
+
/* Check bottom-halves last in case any of the earlier events triggered
them. */
qemu_bh_poll();
}
-static int main_loop(void)
+static int qemu_cpu_exec(CPUState *env)
{
- int ret, timeout;
+ int ret;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
- CPUState *env;
- cur_cpu = first_cpu;
- next_cpu = cur_cpu->next_cpu ?: first_cpu;
- for(;;) {
- if (vm_running) {
-
- for(;;) {
- /* get next cpu */
- env = next_cpu;
#ifdef CONFIG_PROFILER
- ti = profile_getclock();
+ 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);
+ 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;
+ qemu_time += profile_getclock() - ti;
#endif
- if (use_icount) {
- /* Fold pending instructions back into the
- instruction counter, and clear the interrupt flag. */
- qemu_icount -= (env->icount_decr.u16.low
- + env->icount_extra);
- env->icount_decr.u32 = 0;
- env->icount_extra = 0;
- }
- next_cpu = env->next_cpu ?: first_cpu;
- if (event_pending && likely(ret != EXCP_DEBUG)) {
- ret = EXCP_INTERRUPT;
- event_pending = 0;
- break;
- }
- if (ret == EXCP_HLT) {
- /* Give the next CPU a chance to run. */
- cur_cpu = env;
- continue;
- }
- if (ret != EXCP_HALTED)
- break;
- /* all CPUs are halted ? */
- if (env == cur_cpu)
- break;
- }
- cur_cpu = env;
+ 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;
+}
- if (shutdown_requested) {
- ret = EXCP_INTERRUPT;
- if (no_shutdown) {
- vm_stop(0);
- no_shutdown = 0;
- }
- else
- break;
- }
- if (reset_requested) {
- reset_requested = 0;
- qemu_system_reset();
- ret = EXCP_INTERRUPT;
- }
- if (powerdown_requested) {
- powerdown_requested = 0;
- qemu_system_powerdown();
- ret = EXCP_INTERRUPT;
- }
- if (unlikely(ret == EXCP_DEBUG)) {
- vm_stop(EXCP_DEBUG);
- }
- /* If all cpus are halted then wait until the next IRQ */
- /* XXX: use timeout computed from timers */
- if (ret == EXCP_HALTED) {
- if (use_icount) {
- int64_t add;
- int64_t delta;
- /* Advance virtual time to the next event. */
- if (use_icount == 1) {
- /* When not using an adaptive execution frequency
- we tend to get badly out of sync with real time,
- so just delay for a reasonable amount of time. */
- delta = 0;
- } else {
- delta = cpu_get_icount() - cpu_get_clock();
- }
- if (delta > 0) {
- /* If virtual time is ahead of real time then just
- wait for IO. */
- timeout = (delta / 1000000) + 1;
- } else {
- /* Wait for either IO to occur or the next
- timer event. */
- add = qemu_next_deadline();
- /* We advance the timer before checking for IO.
- Limit the amount we advance so that early IO
- activity won't get the guest too far ahead. */
- if (add > 10000000)
- add = 10000000;
- delta += add;
- add = (add + (1 << icount_time_shift) - 1)
- >> icount_time_shift;
- qemu_icount += add;
- timeout = delta / 1000000;
- if (timeout < 0)
- timeout = 0;
- }
- } else {
- timeout = 5000;
- }
- } else {
- timeout = 0;
- }
+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 (!vm_running)
+ break;
+ if (timer_alarm_pending) {
+ timer_alarm_pending = 0;
+ break;
+ }
+ if (cpu_can_run(env))
+ ret = qemu_cpu_exec(env);
+ if (ret == EXCP_DEBUG) {
+ gdb_set_stop_cpu(env);
+ debug_requested = 1;
+ break;
+ }
+ }
+}
+
+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;
+}
+
+static int qemu_calculate_timeout(void)
+{
+ int timeout;
+
+ if (!vm_running)
+ timeout = 5000;
+ else if (tcg_has_work())
+ timeout = 0;
+ else if (!use_icount)
+ timeout = 5000;
+ else {
+ /* XXX: use timeout computed from timers */
+ int64_t add;
+ int64_t delta;
+ /* Advance virtual time to the next event. */
+ if (use_icount == 1) {
+ /* When not using an adaptive execution frequency
+ we tend to get badly out of sync with real time,
+ so just delay for a reasonable amount of time. */
+ delta = 0;
} else {
- if (shutdown_requested) {
- ret = EXCP_INTERRUPT;
- break;
- }
- timeout = 5000;
+ delta = cpu_get_icount() - cpu_get_clock();
+ }
+ if (delta > 0) {
+ /* If virtual time is ahead of real time then just
+ wait for IO. */
+ timeout = (delta / 1000000) + 1;
+ } else {
+ /* Wait for either IO to occur or the next
+ timer event. */
+ add = qemu_next_deadline();
+ /* We advance the timer before checking for IO.
+ Limit the amount we advance so that early IO
+ activity won't get the guest too far ahead. */
+ if (add > 10000000)
+ add = 10000000;
+ delta += add;
+ add = (add + (1 << icount_time_shift) - 1)
+ >> icount_time_shift;
+ qemu_icount += add;
+ timeout = delta / 1000000;
+ if (timeout < 0)
+ timeout = 0;
}
-#ifdef CONFIG_PROFILER
- ti = profile_getclock();
-#endif
- main_loop_wait(timeout);
-#ifdef CONFIG_PROFILER
- dev_time += profile_getclock() - ti;
-#endif
}
- cpu_disable_ticks();
- return ret;
+
+ return timeout;
}
-static void help(int exitcode)
+static int vm_can_run(void)
{
- printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
- "usage: %s [options] [disk_image]\n"
- "\n"
- "'disk_image' is a raw hard image image for IDE hard disk 0\n"
- "\n"
- "Standard options:\n"
- "-M machine select emulated machine (-M ? for list)\n"
- "-cpu cpu select CPU (-cpu ? for list)\n"
- "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
- "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
- "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
- "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
- "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
- " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
- " [,cache=writethrough|writeback|none][,format=f]\n"
- " use 'file' as a drive image\n"
- "-mtdblock file use 'file' as on-board Flash memory image\n"
- "-sd file use 'file' as SecureDigital card image\n"
- "-pflash file use 'file' as a parallel flash image\n"
- "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
- "-snapshot write to temporary files instead of disk image files\n"
-#ifdef CONFIG_SDL
- "-no-frame open SDL window without a frame and window decorations\n"
- "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
- "-no-quit disable SDL window close capability\n"
-#endif
-#ifdef TARGET_I386
- "-no-fd-bootchk disable boot signature checking for floppy disks\n"
-#endif
- "-m megs set virtual RAM size to megs MB [default=%d]\n"
- "-smp n set the number of CPUs to 'n' [default=1]\n"
- "-nographic disable graphical output and redirect serial I/Os to console\n"
- "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
-#ifndef _WIN32
- "-k language use keyboard layout (for example \"fr\" for French)\n"
-#endif
-#ifdef HAS_AUDIO
- "-audio-help print list of audio drivers and their options\n"
- "-soundhw c1,... enable audio support\n"
- " and only specified sound cards (comma separated list)\n"
- " use -soundhw ? to get the list of supported cards\n"
- " use -soundhw all to enable all of them\n"
+ 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
- "-vga [std|cirrus|vmware]\n"
- " select video card type\n"
- "-localtime set the real time clock to local time [default=utc]\n"
- "-full-screen start in full screen\n"
-#ifdef TARGET_I386
- "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
+
+ for (;;) {
+ do {
+#ifdef CONFIG_PROFILER
+ int64_t ti;
#endif
- "-usb enable the USB driver (will be the default soon)\n"
- "-usbdevice name add the host or guest USB device 'name'\n"
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
- "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
+#ifndef CONFIG_IOTHREAD
+ tcg_cpu_exec();
#endif
- "-name string set the name of the guest\n"
- "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
- "\n"
- "Network options:\n"
- "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
- " create a new Network Interface Card and connect it to VLAN 'n'\n"
-#ifdef CONFIG_SLIRP
- "-net user[,vlan=n][,hostname=host]\n"
- " connect the user mode network stack to VLAN 'n' and send\n"
- " hostname 'host' to DHCP clients\n"
+#ifdef CONFIG_PROFILER
+ ti = profile_getclock();
#endif
-#ifdef _WIN32
- "-net tap[,vlan=n],ifname=name\n"
- " connect the host TAP network interface to VLAN 'n'\n"
+#ifdef CONFIG_IOTHREAD
+ main_loop_wait(1000);
#else
- "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
- " connect the host TAP network interface to VLAN 'n' and use the\n"
- " network scripts 'file' (default=%s)\n"
- " and 'dfile' (default=%s);\n"
- " use '[down]script=no' to disable script execution;\n"
- " use 'fd=h' to connect to an already opened TAP interface\n"
-#endif
- "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
- " connect the vlan 'n' to another VLAN using a socket connection\n"
- "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
- " connect the vlan 'n' to multicast maddr and port\n"
-#ifdef CONFIG_VDE
- "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
- " connect the vlan 'n' to port 'n' of a vde switch running\n"
- " on host and listening for incoming connections on 'socketpath'.\n"
- " Use group 'groupname' and mode 'octalmode' to change default\n"
- " ownership and permissions for communication port.\n"
-#endif
- "-net none use it alone to have zero network devices; if no -net option\n"
- " is provided, the default is '-net nic -net user'\n"
- "\n"
-#ifdef CONFIG_SLIRP
- "-tftp dir allow tftp access to files in dir [-net user]\n"
- "-bootp file advertise file in BOOTP replies\n"
-#ifndef _WIN32
- "-smb dir allow SMB access to files in 'dir' [-net user]\n"
+ main_loop_wait(qemu_calculate_timeout());
#endif
- "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
- " redirect TCP or UDP connections from host to guest [-net user]\n"
+#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"
- "Linux boot specific:\n"
- "-kernel bzImage use 'bzImage' as kernel image\n"
- "-append cmdline use 'cmdline' as kernel command line\n"
- "-initrd file use 'file' as initial ram disk\n"
+ "'disk_image' is a raw hard image image for IDE hard disk 0\n"
"\n"
- "Debug/Expert options:\n"
- "-monitor dev redirect the monitor to char device 'dev'\n"
- "-serial dev redirect the serial port to char device 'dev'\n"
- "-parallel dev redirect the parallel port to char device 'dev'\n"
- "-pidfile file Write PID to 'file'\n"
- "-S freeze CPU at startup (use 'c' to start execution)\n"
- "-s wait gdb connection to port\n"
- "-p port set gdb connection port [default=%s]\n"
- "-d item1,... output log to %s (use -d ? for a list of log items)\n"
- "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
- " translation (t=none or lba) (usually qemu can guess them)\n"
- "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
-#ifdef USE_KQEMU
- "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
- "-no-kqemu disable KQEMU kernel module usage\n"
-#endif
-#ifdef CONFIG_KVM
- "-enable-kvm enable KVM full virtualization support\n"
-#endif
-#ifdef TARGET_I386
- "-no-acpi disable ACPI\n"
-#endif
-#ifdef CONFIG_CURSES
- "-curses use a curses/ncurses interface instead of SDL\n"
-#endif
- "-no-reboot exit instead of rebooting\n"
- "-no-shutdown stop before shutdown\n"
- "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
- "-vnc display start a VNC server on display\n"
-#ifndef _WIN32
- "-daemonize daemonize QEMU after initializing\n"
-#endif
- "-option-rom rom load a file, rom, into the option ROM space\n"
-#ifdef TARGET_SPARC
- "-prom-env variable=value set OpenBIOS nvram variables\n"
-#endif
- "-clock force the use of the given methods for timer alarm.\n"
- " To see what timers are available use -clock ?\n"
- "-startdate select initial date of the clock\n"
- "-icount [N|auto]\n"
- " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
+#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"
exit(exitcode);
}
-#define HAS_ARG 0x0001
-
-enum {
- QEMU_OPTION_h,
-
- QEMU_OPTION_M,
- QEMU_OPTION_cpu,
- QEMU_OPTION_fda,
- QEMU_OPTION_fdb,
- QEMU_OPTION_hda,
- QEMU_OPTION_hdb,
- QEMU_OPTION_hdc,
- QEMU_OPTION_hdd,
- QEMU_OPTION_drive,
- QEMU_OPTION_cdrom,
- QEMU_OPTION_mtdblock,
- QEMU_OPTION_sd,
- QEMU_OPTION_pflash,
- QEMU_OPTION_boot,
- QEMU_OPTION_snapshot,
-#ifdef TARGET_I386
- QEMU_OPTION_no_fd_bootchk,
-#endif
- QEMU_OPTION_m,
- QEMU_OPTION_nographic,
- QEMU_OPTION_portrait,
-#ifdef HAS_AUDIO
- QEMU_OPTION_audio_help,
- QEMU_OPTION_soundhw,
-#endif
-
- QEMU_OPTION_net,
- QEMU_OPTION_tftp,
- QEMU_OPTION_bootp,
- QEMU_OPTION_smb,
- QEMU_OPTION_redir,
-
- QEMU_OPTION_kernel,
- QEMU_OPTION_append,
- QEMU_OPTION_initrd,
-
- QEMU_OPTION_S,
- QEMU_OPTION_s,
- QEMU_OPTION_p,
- QEMU_OPTION_d,
- QEMU_OPTION_hdachs,
- QEMU_OPTION_L,
- QEMU_OPTION_bios,
- QEMU_OPTION_k,
- QEMU_OPTION_localtime,
- QEMU_OPTION_g,
- QEMU_OPTION_vga,
- QEMU_OPTION_echr,
- QEMU_OPTION_monitor,
- QEMU_OPTION_serial,
- QEMU_OPTION_parallel,
- QEMU_OPTION_loadvm,
- QEMU_OPTION_full_screen,
- QEMU_OPTION_no_frame,
- QEMU_OPTION_alt_grab,
- QEMU_OPTION_no_quit,
- QEMU_OPTION_pidfile,
- QEMU_OPTION_no_kqemu,
- QEMU_OPTION_kernel_kqemu,
- QEMU_OPTION_enable_kvm,
- QEMU_OPTION_win2k_hack,
- QEMU_OPTION_usb,
- QEMU_OPTION_usbdevice,
- QEMU_OPTION_smp,
- QEMU_OPTION_vnc,
- QEMU_OPTION_no_acpi,
- QEMU_OPTION_curses,
- QEMU_OPTION_no_reboot,
- QEMU_OPTION_no_shutdown,
- QEMU_OPTION_show_cursor,
- QEMU_OPTION_daemonize,
- QEMU_OPTION_option_rom,
- QEMU_OPTION_semihosting,
- QEMU_OPTION_name,
- QEMU_OPTION_prom_env,
- QEMU_OPTION_old_param,
- QEMU_OPTION_clock,
- QEMU_OPTION_startdate,
- QEMU_OPTION_tb_size,
- QEMU_OPTION_icount,
- QEMU_OPTION_uuid,
- QEMU_OPTION_incoming,
-};
-
-typedef struct QEMUOption {
- const char *name;
- int flags;
- int index;
-} QEMUOption;
-
-static const QEMUOption qemu_options[] = {
- { "h", 0, QEMU_OPTION_h },
- { "help", 0, QEMU_OPTION_h },
-
- { "M", HAS_ARG, QEMU_OPTION_M },
- { "cpu", HAS_ARG, QEMU_OPTION_cpu },
- { "fda", HAS_ARG, QEMU_OPTION_fda },
- { "fdb", HAS_ARG, QEMU_OPTION_fdb },
- { "hda", HAS_ARG, QEMU_OPTION_hda },
- { "hdb", HAS_ARG, QEMU_OPTION_hdb },
- { "hdc", HAS_ARG, QEMU_OPTION_hdc },
- { "hdd", HAS_ARG, QEMU_OPTION_hdd },
- { "drive", HAS_ARG, QEMU_OPTION_drive },
- { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
- { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
- { "sd", HAS_ARG, QEMU_OPTION_sd },
- { "pflash", HAS_ARG, QEMU_OPTION_pflash },
- { "boot", HAS_ARG, QEMU_OPTION_boot },
- { "snapshot", 0, QEMU_OPTION_snapshot },
-#ifdef TARGET_I386
- { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
-#endif
- { "m", HAS_ARG, QEMU_OPTION_m },
- { "nographic", 0, QEMU_OPTION_nographic },
- { "portrait", 0, QEMU_OPTION_portrait },
- { "k", HAS_ARG, QEMU_OPTION_k },
-#ifdef HAS_AUDIO
- { "audio-help", 0, QEMU_OPTION_audio_help },
- { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
-#endif
-
- { "net", HAS_ARG, QEMU_OPTION_net},
-#ifdef CONFIG_SLIRP
- { "tftp", HAS_ARG, QEMU_OPTION_tftp },
- { "bootp", HAS_ARG, QEMU_OPTION_bootp },
-#ifndef _WIN32
- { "smb", HAS_ARG, QEMU_OPTION_smb },
-#endif
- { "redir", HAS_ARG, QEMU_OPTION_redir },
-#endif
-
- { "kernel", HAS_ARG, QEMU_OPTION_kernel },
- { "append", HAS_ARG, QEMU_OPTION_append },
- { "initrd", HAS_ARG, QEMU_OPTION_initrd },
-
- { "S", 0, QEMU_OPTION_S },
- { "s", 0, QEMU_OPTION_s },
- { "p", HAS_ARG, QEMU_OPTION_p },
- { "d", HAS_ARG, QEMU_OPTION_d },
- { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
- { "L", HAS_ARG, QEMU_OPTION_L },
- { "bios", HAS_ARG, QEMU_OPTION_bios },
-#ifdef USE_KQEMU
- { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
- { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
-#endif
-#ifdef CONFIG_KVM
- { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
-#endif
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
- { "g", 1, QEMU_OPTION_g },
-#endif
- { "localtime", 0, QEMU_OPTION_localtime },
- { "vga", HAS_ARG, QEMU_OPTION_vga },
- { "echr", HAS_ARG, QEMU_OPTION_echr },
- { "monitor", HAS_ARG, QEMU_OPTION_monitor },
- { "serial", HAS_ARG, QEMU_OPTION_serial },
- { "parallel", HAS_ARG, QEMU_OPTION_parallel },
- { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
- { "full-screen", 0, QEMU_OPTION_full_screen },
-#ifdef CONFIG_SDL
- { "no-frame", 0, QEMU_OPTION_no_frame },
- { "alt-grab", 0, QEMU_OPTION_alt_grab },
- { "no-quit", 0, QEMU_OPTION_no_quit },
-#endif
- { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
- { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
- { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
- { "smp", HAS_ARG, QEMU_OPTION_smp },
- { "vnc", HAS_ARG, QEMU_OPTION_vnc },
-#ifdef CONFIG_CURSES
- { "curses", 0, QEMU_OPTION_curses },
-#endif
- { "uuid", HAS_ARG, QEMU_OPTION_uuid },
-
- /* temporary options */
- { "usb", 0, QEMU_OPTION_usb },
- { "no-acpi", 0, QEMU_OPTION_no_acpi },
- { "no-reboot", 0, QEMU_OPTION_no_reboot },
- { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
- { "show-cursor", 0, QEMU_OPTION_show_cursor },
- { "daemonize", 0, QEMU_OPTION_daemonize },
- { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
- { "semihosting", 0, QEMU_OPTION_semihosting },
-#endif
- { "name", HAS_ARG, QEMU_OPTION_name },
-#if defined(TARGET_SPARC)
- { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
-#endif
-#if defined(TARGET_ARM)
- { "old-param", 0, QEMU_OPTION_old_param },
-#endif
- { "clock", HAS_ARG, QEMU_OPTION_clock },
- { "startdate", HAS_ARG, QEMU_OPTION_startdate },
- { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
- { "icount", HAS_ARG, QEMU_OPTION_icount },
- { "incoming", HAS_ARG, QEMU_OPTION_incoming },
- { NULL },
-};
-
-/* password input */
-
-int qemu_key_check(BlockDriverState *bs, const char *name)
-{
- char password[256];
- int i;
-
- if (!bdrv_is_encrypted(bs))
- return 0;
-
- term_printf("%s is encrypted.\n", name);
- for(i = 0; i < 3; i++) {
- monitor_readline("Password: ", 1, password, sizeof(password));
- if (bdrv_set_key(bs, password) == 0)
- return 0;
- term_printf("invalid password\n");
- }
- return -EPERM;
-}
-
-static BlockDriverState *get_bdrv(int index)
-{
- if (index > nb_drives)
- return NULL;
- return drives_table[index].bdrv;
-}
-
-static void read_passwords(void)
-{
- BlockDriverState *bs;
- int i;
+#define HAS_ARG 0x0001
- for(i = 0; i < 6; i++) {
- bs = get_bdrv(i);
- if (bs)
- qemu_key_check(bs, bdrv_get_device_name(bs));
- }
-}
+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[] = {
{ .init_isa = pcspk_audio_init }
},
#endif
+
+#ifdef CONFIG_SB16
{
"sb16",
"Creative Sound Blaster 16",
1,
{ .init_isa = SB16_init }
},
+#endif
#ifdef CONFIG_CS4231A
{
},
#endif
+#ifdef CONFIG_ES1370
{
"es1370",
"ENSONIQ AudioPCI ES1370",
},
#endif
+#endif /* HAS_AUDIO_CHOICE */
+
{ NULL, NULL, 0, 0, { NULL } }
};
{
const char *opts;
+ cirrus_vga_enabled = 0;
+ std_vga_enabled = 0;
+ vmsvga_enabled = 0;
+ xenfb_enabled = 0;
if (strstart(p, "std", &opts)) {
- cirrus_vga_enabled = 0;
- vmsvga_enabled = 0;
+ std_vga_enabled = 1;
} else if (strstart(p, "cirrus", &opts)) {
cirrus_vga_enabled = 1;
- vmsvga_enabled = 0;
} else if (strstart(p, "vmware", &opts)) {
- cirrus_vga_enabled = 0;
vmsvga_enabled = 1;
- } else {
+ } 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);
}
#endif
-static int qemu_uuid_parse(const char *str, uint8_t *uuid)
+int qemu_uuid_parse(const char *str, uint8_t *uuid)
{
int ret;
if(ret != 16)
return -1;
+#ifdef TARGET_I386
+ smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
+#endif
+
return 0;
}
#endif
-int main(int argc, char **argv)
+int main(int argc, char **argv, char **envp)
{
-#ifdef CONFIG_GDBSTUB
- int use_gdbstub;
- const char *gdbstub_port;
-#endif
+ const char *gdbstub_dev = NULL;
uint32_t boot_devices_bitmap = 0;
int i;
int snapshot, linux_boot, net_boot;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
const char *boot_devices = "";
- DisplayState *ds = &display_state;
+ 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;
+ 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;
- int autostart;
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;
+
+ qemu_cache_utils_init(envp);
LIST_INIT (&vm_change_state_head);
#ifndef _WIN32
}
#endif
- register_machines();
- machine = first_machine;
+ module_call_init(MODULE_INIT_MACHINE);
+ machine = find_default_machine();
cpu_model = NULL;
initrd_filename = NULL;
ram_size = 0;
- vga_ram_size = VGA_RAM_SIZE;
-#ifdef CONFIG_GDBSTUB
- use_gdbstub = 0;
- gdbstub_port = DEFAULT_GDBSTUB_PORT;
-#endif
snapshot = 0;
- nographic = 0;
- curses = 0;
kernel_filename = NULL;
kernel_cmdline = "";
cyls = heads = secs = 0;
translation = BIOS_ATA_TRANSLATION_AUTO;
- monitor_device = "vc";
+ 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:640x480";
+ 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)
for(m = first_machine; m != NULL; m = m->next) {
printf("%-10s %s%s\n",
m->name, m->desc,
- m == first_machine ? " (default)" : "");
+ m->is_default ? " (default)" : "");
}
exit(*optarg != '?');
}
",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:
- nographic = 1;
+ display_type = DT_NOGRAPHIC;
break;
#ifdef CONFIG_CURSES
case QEMU_OPTION_curses:
- curses = 1;
+ display_type = DT_CURSES;
break;
#endif
case QEMU_OPTION_portrait:
break;
#endif
case QEMU_OPTION_redir:
- net_slirp_redir(optarg);
+ net_slirp_redir(NULL, optarg);
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 ();
case QEMU_OPTION_h:
help(0);
break;
+ case QEMU_OPTION_version:
+ version();
+ exit(0);
+ break;
case QEMU_OPTION_m: {
uint64_t value;
char *ptr;
/* On 32-bit hosts, QEMU is limited by virtual address space */
if (value > (2047 << 20)
-#ifndef USE_KQEMU
+#ifndef CONFIG_KQEMU
&& HOST_LONG_BITS == 32
#endif
) {
cpu_set_log(mask);
}
break;
-#ifdef CONFIG_GDBSTUB
case QEMU_OPTION_s:
- use_gdbstub = 1;
+ gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
break;
- case QEMU_OPTION_p:
- gdbstub_port = optarg;
+ case QEMU_OPTION_gdb:
+ gdbstub_dev = optarg;
break;
-#endif
case QEMU_OPTION_L:
bios_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;
graphic_depth = depth;
}
break;
+#endif
case QEMU_OPTION_echr:
{
char *r;
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");
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;
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 USE_KQEMU
+#ifdef CONFIG_KQEMU
case QEMU_OPTION_no_kqemu:
kqemu_allowed = 0;
break;
#ifdef CONFIG_KVM
case QEMU_OPTION_enable_kvm:
kvm_allowed = 1;
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
kqemu_allowed = 0;
#endif
break;
}
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;
+#endif
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
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");
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;
-#ifdef TARGET_SPARC
+#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");
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 defined(CONFIG_KVM) && defined(USE_KQEMU)
+#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);
}
- if (nographic) {
+ if (display_type == DT_NOGRAPHIC) {
if (serial_device_index == 0)
serial_devices[0] = "stdio";
if (parallel_device_index == 0)
signal(SIGTTOU, SIG_IGN);
signal(SIGTTIN, SIG_IGN);
}
-#endif
if (pid_file && qemu_create_pidfile(pid_file) != 0) {
if (daemonize) {
fprintf(stderr, "Could not acquire pid file\n");
exit(1);
}
+#endif
-#ifdef USE_KQEMU
+#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 && net_boot == 0 &&
- !machine->nodisk_ok && nb_drives_opt == 0)
- help(1);
-
if (!linux_boot && *kernel_cmdline != '\0') {
fprintf(stderr, "-append only allowed with -kernel option\n");
exit(1);
}
#endif
- /* init the memory */
- phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
-
- if (machine->ram_require & RAMSIZE_FIXED) {
- if (ram_size > 0) {
- if (ram_size < phys_ram_size) {
- fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
- machine->name, (unsigned long long) phys_ram_size);
- exit(-1);
- }
-
- phys_ram_size = ram_size;
- } else
- ram_size = phys_ram_size;
- } else {
- if (ram_size == 0)
- ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
-
- phys_ram_size += ram_size;
- }
+ /* init the bluetooth world */
+ for (i = 0; i < nb_bt_opts; i++)
+ if (bt_parse(bt_opts[i]))
+ exit(1);
- phys_ram_base = qemu_vmalloc(phys_ram_size);
- if (!phys_ram_base) {
- fprintf(stderr, "Could not allocate physical memory\n");
- 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);
register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
- /* terminal init */
- memset(&display_state, 0, sizeof(display_state));
- if (nographic) {
- if (curses) {
- fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
- exit(1);
- }
- /* nearly nothing to do */
- dumb_display_init(ds);
- } else if (vnc_display != NULL) {
- vnc_display_init(ds);
- if (vnc_display_open(ds, vnc_display) < 0)
- exit(1);
- } else
-#if defined(CONFIG_CURSES)
- if (curses) {
- curses_display_init(ds, full_screen);
- } else
-#endif
- {
-#if defined(CONFIG_SDL)
- sdl_display_init(ds, full_screen, no_frame);
-#elif defined(CONFIG_COCOA)
- cocoa_display_init(ds, full_screen);
-#else
- dumb_display_init(ds);
-#endif
- }
-
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
termsig_setup();
}
}
}
+
+ 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);
+ 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);
}
- monitor_init(monitor_hd, !nographic);
}
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
if (devname && strcmp(devname, "none")) {
char label[32];
snprintf(label, sizeof(label), "serial%d", i);
- serial_hds[i] = qemu_chr_open(label, devname);
+ 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);
}
- if (strstart(devname, "vc", 0))
- qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
}
}
if (devname && strcmp(devname, "none")) {
char label[32];
snprintf(label, sizeof(label), "parallel%d", i);
- parallel_hds[i] = qemu_chr_open(label, devname);
+ 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);
}
- 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 (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_init(smp_cpus);
+ ret = kvm_sync_vcpus();
if (ret < 0) {
- fprintf(stderr, "failed to initialize KVM\n");
+ fprintf(stderr, "failed to initialize vcpus\n");
exit(1);
}
}
- machine->init(ram_size, vga_ram_size, boot_devices, ds,
- kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
-
/* init USB devices */
if (usb_enabled) {
for(i = 0; i < usb_devices_index; i++) {
- if (usb_device_add(usb_devices[i]) < 0) {
+ 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.dpy_refresh) {
- display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
- qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
+ 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
}
+
-#ifdef CONFIG_GDBSTUB
- if (use_gdbstub) {
- /* XXX: use standard host:port notation and modify options
- accordingly. */
- if (gdbserver_start(gdbstub_port) < 0) {
- fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
- gdbstub_port);
+ 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")) {
+ char label[32];
+ snprintf(label, sizeof(label), "serial%d", i);
+ 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")) {
+ char label[32];
+ snprintf(label, sizeof(label), "parallel%d", i);
+ if (strstart(devname, "vc", 0))
+ qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
}
}
-#endif
+
+ for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
+ const char *devname = virtio_consoles[i];
+ if (virtcon_hds[i] && devname) {
+ char label[32];
+ snprintf(label, sizeof(label), "virtcon%d", i);
+ 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(loadvm);
+ do_loadvm(cur_mon, loadvm);
if (incoming) {
autostart = 0; /* fixme how to deal with -daemonize */
qemu_start_incoming_migration(incoming);
}
- {
- /* XXX: simplify init */
- read_passwords();
- if (autostart) {
- vm_start();
- }
- }
+ if (autostart)
+ vm_start();
+#ifndef _WIN32
if (daemonize) {
uint8_t status = 0;
ssize_t len;
- int fd;
again1:
len = write(fds[1], &status, 1);
TFR(fd = 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);
+ }
+ chdir("/");
+ }
+
+ 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);
+ }
+ }
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
+ if (daemonize) {
+ dup2(fd, 0);
+ dup2(fd, 1);
+ dup2(fd, 2);
- close(fd);
+ close(fd);
}
+#endif
main_loop();
quit_timers();
projects / qemu / blobdiff