#include <sys/time.h>
#include <zlib.h>
-/* Needed early for _BSD etc. */
+/* Needed early for HOST_BSD etc. */
#include "config-host.h"
#ifndef _WIN32
+#include <libgen.h>
#include <pwd.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <dirent.h>
#include <netdb.h>
#include <sys/select.h>
-#ifdef _BSD
+#ifdef HOST_BSD
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <libutil.h>
#endif
#ifdef _WIN32
+#include <windows.h>
#include <malloc.h>
#include <sys/timeb.h>
#include <mmsystem.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 "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"
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
-const char *bios_dir = CONFIG_QEMU_SHAREDIR;
+static const char *data_dir;
const char *bios_name = NULL;
static void *ioport_opaque[MAX_IOPORTS];
static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
to store the VM snapshots */
DriveInfo drives_table[MAX_DRIVES+1];
int nb_drives;
-static int vga_ram_size;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
static DisplayState *display_state;
-int nographic;
-static int curses;
-static int sdl;
+DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
ram_addr_t ram_size;
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 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_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;
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. */
{
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
{
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
{
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);
LOG_IOPORT("inb : %04x %02x\n", addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
int val;
val = ioport_read(1, addr);
LOG_IOPORT("inw : %04x %04x\n", addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
int val;
val = ioport_read(2, addr);
LOG_IOPORT("inl : %04x %08x\n", addr, val);
-#ifdef USE_KQEMU
+#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
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;
-#ifndef _WIN32
-static int alarm_timer_rfd, alarm_timer_wfd;
-#endif
#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);
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;
-
-#ifdef _WIN32
- struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
- SetEvent(data->host_alarm);
-#else
- static const char byte = 0;
- write(alarm_timer_wfd, &byte, sizeof(byte));
-#endif
- 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;
#endif /* !defined(_WIN32) */
-static void try_to_rearm_timer(void *opaque)
-{
- struct qemu_alarm_timer *t = opaque;
-#ifndef _WIN32
- 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);
-#endif
-
- if (t->flags & ALARM_FLAG_EXPIRED) {
- alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
- qemu_rearm_alarm_timer(alarm_timer);
- }
-}
#ifdef _WIN32
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, try_to_rearm_timer, t);
-
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);
}
}
struct qemu_alarm_timer *t = NULL;
int i, err = -1;
-#ifndef _WIN32
- 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];
-#endif
-
for (i = 0; alarm_timers[i].name; i++) {
t = &alarm_timers[i];
goto fail;
}
-#ifndef _WIN32
- qemu_set_fd_handler2(alarm_timer_rfd, NULL,
- try_to_rearm_timer, NULL, t);
-#endif
-
alarm_timer = t;
return 0;
fail:
-#ifndef _WIN32
- close(fds[0]);
- close(fds[1]);
-#endif
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;
}
/***********************************************************/
/* 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"
"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;
}
} else if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
max_devs = 0;
- } else {
+ } 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;
}
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[nb_drives].serial, serial, sizeof(serial));
+ 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) {
case IF_MTD:
case IF_VIRTIO:
break;
+ case IF_COUNT:
+ abort();
}
if (!file[0])
return -2;
return drives_table_idx;
}
+static void numa_add(const char *optarg)
+{
+ char option[128];
+ char *endptr;
+ unsigned long long value, endvalue;
+ int nodenr;
+
+ optarg = get_opt_name(option, 128, optarg, ',') + 1;
+ if (!strcmp(option, "node")) {
+ if (get_param_value(option, 128, "nodeid", optarg) == 0) {
+ nodenr = nb_numa_nodes;
+ } else {
+ nodenr = strtoull(option, NULL, 10);
+ }
+
+ if (get_param_value(option, 128, "mem", optarg) == 0) {
+ node_mem[nodenr] = 0;
+ } else {
+ value = strtoull(option, &endptr, 0);
+ switch (*endptr) {
+ case 0: case 'M': case 'm':
+ value <<= 20;
+ break;
+ case 'G': case 'g':
+ value <<= 30;
+ break;
+ }
+ node_mem[nodenr] = value;
+ }
+ if (get_param_value(option, 128, "cpus", optarg) == 0) {
+ node_cpumask[nodenr] = 0;
+ } else {
+ value = strtoull(option, &endptr, 10);
+ if (value >= 64) {
+ value = 63;
+ fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
+ } else {
+ if (*endptr == '-') {
+ endvalue = strtoull(endptr+1, &endptr, 10);
+ if (endvalue >= 63) {
+ endvalue = 62;
+ fprintf(stderr,
+ "only 63 CPUs in NUMA mode supported.\n");
+ }
+ value = (1 << (endvalue + 1)) - (1 << value);
+ } else {
+ value = 1 << value;
+ }
+ }
+ node_cpumask[nodenr] = value;
+ }
+ nb_numa_nodes++;
+ }
+ return;
+}
+
/***********************************************************/
/* USB devices */
/* 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;
/***********************************************************/
/* register display */
+struct DisplayAllocator default_allocator = {
+ defaultallocator_create_displaysurface,
+ defaultallocator_resize_displaysurface,
+ defaultallocator_free_displaysurface
+};
+
void register_displaystate(DisplayState *ds)
{
DisplayState **s;
return display_state;
}
+DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
+{
+ if(ds->allocator == &default_allocator) ds->allocator = da;
+ return ds->allocator;
+}
+
/* dumb display */
static void dumb_display_init(void)
{
DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
- ds->surface = qemu_create_displaysurface(640, 480, 32, 640 * 4);
+ 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;
int ret;
ram_addr_t i;
- if (qemu_get_be32(f) != phys_ram_size)
+ if (qemu_get_be32(f) != last_ram_offset)
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);
+ 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;
}
ram_addr_t addr = 0;
int found = 0;
- while (addr < phys_ram_size) {
+ while (addr < last_ram_offset) {
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
- uint8_t ch;
+ uint8_t *p;
cpu_physical_memory_reset_dirty(current_addr,
current_addr + TARGET_PAGE_SIZE,
MIGRATION_DIRTY_FLAG);
- ch = *(phys_ram_base + current_addr);
+ p = qemu_get_ram_ptr(current_addr);
- if (is_dup_page(phys_ram_base + current_addr, ch)) {
+ if (is_dup_page(p, *p)) {
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
- qemu_put_byte(f, ch);
+ qemu_put_byte(f, *p);
} else {
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
- qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
+ qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
}
found = 1;
break;
}
addr += TARGET_PAGE_SIZE;
- current_addr = (saved_addr + addr) % phys_ram_size;
+ current_addr = (saved_addr + addr) % last_ram_offset;
}
return found;
}
static ram_addr_t ram_save_threshold = 10;
+static uint64_t bytes_transferred = 0;
static ram_addr_t ram_save_remaining(void)
{
ram_addr_t addr;
ram_addr_t count = 0;
- for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
+ for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
count++;
}
return count;
}
+uint64_t ram_bytes_remaining(void)
+{
+ return ram_save_remaining() * TARGET_PAGE_SIZE;
+}
+
+uint64_t ram_bytes_transferred(void)
+{
+ return bytes_transferred;
+}
+
+uint64_t ram_bytes_total(void)
+{
+ return last_ram_offset;
+}
+
static int ram_save_live(QEMUFile *f, int stage, void *opaque)
{
ram_addr_t addr;
+ if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
+ qemu_file_set_error(f);
+ return 0;
+ }
+
if (stage == 1) {
/* Make sure all dirty bits are set */
- for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
+ for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
cpu_physical_memory_set_dirty(addr);
}
-
+
/* Enable dirty memory tracking */
cpu_physical_memory_set_dirty_tracking(1);
- qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
+ qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
}
while (!qemu_file_rate_limit(f)) {
int ret;
ret = ram_save_block(f);
+ bytes_transferred += ret * TARGET_PAGE_SIZE;
if (ret == 0) /* no more blocks */
break;
}
/* try transferring iterative blocks of memory */
if (stage == 3) {
- cpu_physical_memory_set_dirty_tracking(0);
/* flush all remaining blocks regardless of rate limiting */
- while (ram_save_block(f) != 0);
+ while (ram_save_block(f) != 0) {
+ bytes_transferred += TARGET_PAGE_SIZE;
+ }
+ cpu_physical_memory_set_dirty_tracking(0);
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
if (ram_decompress_open(s, f) < 0)
return -EINVAL;
- for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
+ 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, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 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;
}
return ram_load_v1(f, opaque);
if (version_id == 2) {
- if (qemu_get_be32(f) != phys_ram_size)
+ if (qemu_get_be32(f) != last_ram_offset)
return -EINVAL;
return ram_load_dead(f, opaque);
}
addr &= TARGET_PAGE_MASK;
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
- if (addr != phys_ram_size)
+ if (addr != last_ram_offset)
return -EINVAL;
}
if (flags & RAM_SAVE_FLAG_COMPRESS) {
uint8_t ch = qemu_get_byte(f);
- memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
+ memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
} else if (flags & RAM_SAVE_FLAG_PAGE)
- qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
+ qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
} while (!(flags & RAM_SAVE_FLAG_EOS));
return 0;
void qemu_service_io(void)
{
- CPUState *env = cpu_single_env;
- if (env) {
- cpu_interrupt(env, CPU_INTERRUPT_EXIT);
-#ifdef USE_KQEMU
- if (env->kqemu_enabled) {
- kqemu_cpu_interrupt(env);
- }
-#endif
- }
+ qemu_notify_event();
}
/***********************************************************/
void qemu_bh_schedule(QEMUBH *bh)
{
- 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);
- }
+ qemu_notify_event();
}
void qemu_bh_cancel(QEMUBH *bh)
return NULL;
}
+static QEMUMachine *find_default_machine(void)
+{
+ QEMUMachine *m;
+
+ for(m = first_machine; m != NULL; m = m->next) {
+ if (m->is_default) {
+ return m;
+ }
+ }
+ return NULL;
+}
+
/***********************************************************/
/* main execution loop */
}
}
+static void resume_all_vcpus(void);
+static void pause_all_vcpus(void);
+
void vm_start(void)
{
if (!vm_running) {
vm_running = 1;
vm_state_notify(1, 0);
qemu_rearm_alarm_timer(alarm_timer);
- }
-}
-
-void vm_stop(int reason)
-{
- if (vm_running) {
- cpu_disable_ticks();
- vm_running = 0;
- vm_state_notify(0, reason);
+ resume_all_vcpus();
}
}
typedef struct QEMUResetEntry {
QEMUResetHandler *func;
void *opaque;
+ int order;
struct QEMUResetEntry *next;
} QEMUResetEntry;
static int reset_requested;
static int shutdown_requested;
static int powerdown_requested;
+static int debug_requested;
+static int vmstop_requested;
int qemu_shutdown_requested(void)
{
return r;
}
-void qemu_register_reset(QEMUResetHandler *func, void *opaque)
+static int qemu_debug_requested(void)
+{
+ int r = debug_requested;
+ debug_requested = 0;
+ return r;
+}
+
+static int qemu_vmstop_requested(void)
+{
+ int r = vmstop_requested;
+ vmstop_requested = 0;
+ return r;
+}
+
+static void do_vm_stop(int reason)
+{
+ if (vm_running) {
+ cpu_disable_ticks();
+ vm_running = 0;
+ pause_all_vcpus();
+ vm_state_notify(0, reason);
+ }
+}
+
+void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque)
{
QEMUResetEntry **pre, *re;
pre = &first_reset_entry;
- while (*pre != NULL)
+ while (*pre != NULL && (*pre)->order >= order) {
pre = &(*pre)->next;
+ }
re = qemu_mallocz(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
+ re->order = order;
re->next = NULL;
*pre = re;
}
} else {
reset_requested = 1;
}
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+ qemu_notify_event();
}
void qemu_system_shutdown_request(void)
{
shutdown_requested = 1;
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+ qemu_notify_event();
}
void qemu_system_powerdown_request(void)
{
powerdown_requested = 1;
- if (cpu_single_env)
- cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+ qemu_notify_event();
}
-#ifdef _WIN32
-static void host_main_loop_wait(int *timeout)
+#ifdef CONFIG_IOTHREAD
+static void qemu_system_vmstop_request(int reason)
{
- int ret, ret2, i;
- PollingEntry *pe;
-
-
- /* XXX: need to suppress polling by better using win32 events */
- ret = 0;
- for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
- ret |= pe->func(pe->opaque);
- }
- if (ret == 0) {
- int err;
- WaitObjects *w = &wait_objects;
+ vmstop_requested = reason;
+ qemu_notify_event();
+}
+#endif
- ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
- if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
- if (w->func[ret - WAIT_OBJECT_0])
- w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
+#ifndef _WIN32
+static int io_thread_fd = -1;
- /* Check for additional signaled events */
- for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
+static void qemu_event_increment(void)
+{
+ static const char byte = 0;
- /* Check if event is signaled */
- ret2 = WaitForSingleObject(w->events[i], 0);
- if(ret2 == WAIT_OBJECT_0) {
- if (w->func[i])
- w->func[i](w->opaque[i]);
- } else if (ret2 == WAIT_TIMEOUT) {
- } else {
- err = GetLastError();
- fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
- }
- }
- } else if (ret == WAIT_TIMEOUT) {
- } else {
- err = GetLastError();
- fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
- }
- }
+ if (io_thread_fd == -1)
+ return;
- *timeout = 0;
+ write(io_thread_fd, &byte, sizeof(byte));
}
-#else
-static void host_main_loop_wait(int *timeout)
+
+static void qemu_event_read(void *opaque)
{
+ int fd = (unsigned long)opaque;
+ ssize_t len;
+
+ /* Drain the notify pipe */
+ do {
+ char buffer[512];
+ len = read(fd, buffer, sizeof(buffer));
+ } while ((len == -1 && errno == EINTR) || len > 0);
}
-#endif
-void main_loop_wait(int timeout)
+static int qemu_event_init(void)
{
- IOHandlerRecord *ioh;
- fd_set rfds, wfds, xfds;
- int ret, nfds;
- struct timeval tv;
+ int err;
+ int fds[2];
- qemu_bh_update_timeout(&timeout);
+ err = pipe(fds);
+ if (err == -1)
+ return -errno;
+
+ err = fcntl_setfl(fds[0], O_NONBLOCK);
+ if (err < 0)
+ goto fail;
+
+ err = fcntl_setfl(fds[1], O_NONBLOCK);
+ if (err < 0)
+ goto fail;
+
+ qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
+ (void *)(unsigned long)fds[0]);
+
+ io_thread_fd = fds[1];
+ return 0;
+
+fail:
+ close(fds[0]);
+ close(fds[1]);
+ return err;
+}
+#else
+HANDLE qemu_event_handle;
+
+static void dummy_event_handler(void *opaque)
+{
+}
+
+static int qemu_event_init(void)
+{
+ qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
+ if (!qemu_event_handle) {
+ perror("Failed CreateEvent");
+ return -1;
+ }
+ qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
+ return 0;
+}
+
+static void qemu_event_increment(void)
+{
+ SetEvent(qemu_event_handle);
+}
+#endif
+
+static int cpu_can_run(CPUState *env)
+{
+ if (env->stop)
+ return 0;
+ if (env->stopped)
+ return 0;
+ return 1;
+}
+
+#ifndef CONFIG_IOTHREAD
+static int qemu_init_main_loop(void)
+{
+ return qemu_event_init();
+}
+
+void qemu_init_vcpu(void *_env)
+{
+ CPUState *env = _env;
+
+ if (kvm_enabled())
+ kvm_init_vcpu(env);
+ return;
+}
+
+int qemu_cpu_self(void *env)
+{
+ return 1;
+}
+
+static void resume_all_vcpus(void)
+{
+}
+
+static void pause_all_vcpus(void)
+{
+}
+
+void qemu_cpu_kick(void *env)
+{
+ return;
+}
+
+void qemu_notify_event(void)
+{
+ CPUState *env = cpu_single_env;
+
+ if (env) {
+ cpu_exit(env);
+#ifdef USE_KQEMU
+ if (env->kqemu_enabled)
+ kqemu_cpu_interrupt(env);
+#endif
+ }
+}
+
+#define qemu_mutex_lock_iothread() do { } while (0)
+#define qemu_mutex_unlock_iothread() do { } while (0)
+
+void vm_stop(int reason)
+{
+ do_vm_stop(reason);
+}
+
+#else /* CONFIG_IOTHREAD */
+
+#include "qemu-thread.h"
+
+QemuMutex qemu_global_mutex;
+static QemuMutex qemu_fair_mutex;
+
+static QemuThread io_thread;
+
+static QemuThread *tcg_cpu_thread;
+static QemuCond *tcg_halt_cond;
+
+static int qemu_system_ready;
+/* cpu creation */
+static QemuCond qemu_cpu_cond;
+/* system init */
+static QemuCond qemu_system_cond;
+static QemuCond qemu_pause_cond;
+
+static void block_io_signals(void);
+static void unblock_io_signals(void);
+static int tcg_has_work(void);
+
+static int qemu_init_main_loop(void)
+{
+ int ret;
+
+ ret = qemu_event_init();
+ if (ret)
+ return ret;
+
+ qemu_cond_init(&qemu_pause_cond);
+ qemu_mutex_init(&qemu_fair_mutex);
+ qemu_mutex_init(&qemu_global_mutex);
+ qemu_mutex_lock(&qemu_global_mutex);
+
+ unblock_io_signals();
+ qemu_thread_self(&io_thread);
+
+ return 0;
+}
+
+static void qemu_wait_io_event(CPUState *env)
+{
+ while (!tcg_has_work())
+ qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
+
+ qemu_mutex_unlock(&qemu_global_mutex);
+
+ /*
+ * Users of qemu_global_mutex can be starved, having no chance
+ * to acquire it since this path will get to it first.
+ * So use another lock to provide fairness.
+ */
+ qemu_mutex_lock(&qemu_fair_mutex);
+ qemu_mutex_unlock(&qemu_fair_mutex);
+
+ qemu_mutex_lock(&qemu_global_mutex);
+ if (env->stop) {
+ env->stop = 0;
+ env->stopped = 1;
+ qemu_cond_signal(&qemu_pause_cond);
+ }
+}
+
+static int qemu_cpu_exec(CPUState *env);
+
+static void *kvm_cpu_thread_fn(void *arg)
+{
+ CPUState *env = arg;
+
+ block_io_signals();
+ qemu_thread_self(env->thread);
+
+ /* signal CPU creation */
+ qemu_mutex_lock(&qemu_global_mutex);
+ env->created = 1;
+ qemu_cond_signal(&qemu_cpu_cond);
+
+ /* and wait for machine initialization */
+ while (!qemu_system_ready)
+ qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
+
+ while (1) {
+ if (cpu_can_run(env))
+ qemu_cpu_exec(env);
+ qemu_wait_io_event(env);
+ }
+
+ return NULL;
+}
+
+static void tcg_cpu_exec(void);
+
+static void *tcg_cpu_thread_fn(void *arg)
+{
+ CPUState *env = arg;
+
+ block_io_signals();
+ qemu_thread_self(env->thread);
+
+ /* signal CPU creation */
+ qemu_mutex_lock(&qemu_global_mutex);
+ for (env = first_cpu; env != NULL; env = env->next_cpu)
+ env->created = 1;
+ qemu_cond_signal(&qemu_cpu_cond);
+
+ /* and wait for machine initialization */
+ while (!qemu_system_ready)
+ qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
+
+ while (1) {
+ tcg_cpu_exec();
+ qemu_wait_io_event(cur_cpu);
+ }
+
+ return NULL;
+}
+
+void qemu_cpu_kick(void *_env)
+{
+ CPUState *env = _env;
+ qemu_cond_broadcast(env->halt_cond);
+ if (kvm_enabled())
+ qemu_thread_signal(env->thread, SIGUSR1);
+}
+
+int qemu_cpu_self(void *env)
+{
+ return (cpu_single_env != NULL);
+}
+
+static void cpu_signal(int sig)
+{
+ if (cpu_single_env)
+ cpu_exit(cpu_single_env);
+}
+
+static void block_io_signals(void)
+{
+ sigset_t set;
+ struct sigaction sigact;
+
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR2);
+ sigaddset(&set, SIGIO);
+ sigaddset(&set, SIGALRM);
+ pthread_sigmask(SIG_BLOCK, &set, NULL);
+
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR1);
+ pthread_sigmask(SIG_UNBLOCK, &set, NULL);
+
+ memset(&sigact, 0, sizeof(sigact));
+ sigact.sa_handler = cpu_signal;
+ sigaction(SIGUSR1, &sigact, NULL);
+}
+
+static void unblock_io_signals(void)
+{
+ sigset_t set;
+
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR2);
+ sigaddset(&set, SIGIO);
+ sigaddset(&set, SIGALRM);
+ pthread_sigmask(SIG_UNBLOCK, &set, NULL);
+
+ sigemptyset(&set);
+ sigaddset(&set, SIGUSR1);
+ pthread_sigmask(SIG_BLOCK, &set, NULL);
+}
+
+static void qemu_signal_lock(unsigned int msecs)
+{
+ qemu_mutex_lock(&qemu_fair_mutex);
+
+ while (qemu_mutex_trylock(&qemu_global_mutex)) {
+ qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
+ if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
+ break;
+ }
+ qemu_mutex_unlock(&qemu_fair_mutex);
+}
+
+static void qemu_mutex_lock_iothread(void)
+{
+ if (kvm_enabled()) {
+ qemu_mutex_lock(&qemu_fair_mutex);
+ qemu_mutex_lock(&qemu_global_mutex);
+ qemu_mutex_unlock(&qemu_fair_mutex);
+ } else
+ qemu_signal_lock(100);
+}
+
+static void qemu_mutex_unlock_iothread(void)
+{
+ qemu_mutex_unlock(&qemu_global_mutex);
+}
+
+static int all_vcpus_paused(void)
+{
+ CPUState *penv = first_cpu;
+
+ while (penv) {
+ if (!penv->stopped)
+ return 0;
+ penv = (CPUState *)penv->next_cpu;
+ }
+
+ return 1;
+}
+
+static void pause_all_vcpus(void)
+{
+ CPUState *penv = first_cpu;
+
+ while (penv) {
+ penv->stop = 1;
+ qemu_thread_signal(penv->thread, SIGUSR1);
+ qemu_cpu_kick(penv);
+ penv = (CPUState *)penv->next_cpu;
+ }
+
+ while (!all_vcpus_paused()) {
+ qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
+ penv = first_cpu;
+ while (penv) {
+ qemu_thread_signal(penv->thread, SIGUSR1);
+ penv = (CPUState *)penv->next_cpu;
+ }
+ }
+}
+
+static void resume_all_vcpus(void)
+{
+ CPUState *penv = first_cpu;
+
+ while (penv) {
+ penv->stop = 0;
+ penv->stopped = 0;
+ qemu_thread_signal(penv->thread, SIGUSR1);
+ qemu_cpu_kick(penv);
+ penv = (CPUState *)penv->next_cpu;
+ }
+}
+
+static void tcg_init_vcpu(void *_env)
+{
+ CPUState *env = _env;
+ /* share a single thread for all cpus with TCG */
+ if (!tcg_cpu_thread) {
+ env->thread = qemu_mallocz(sizeof(QemuThread));
+ env->halt_cond = qemu_mallocz(sizeof(QemuCond));
+ qemu_cond_init(env->halt_cond);
+ qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
+ while (env->created == 0)
+ qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
+ tcg_cpu_thread = env->thread;
+ tcg_halt_cond = env->halt_cond;
+ } else {
+ env->thread = tcg_cpu_thread;
+ env->halt_cond = tcg_halt_cond;
+ }
+}
+
+static void kvm_start_vcpu(CPUState *env)
+{
+ kvm_init_vcpu(env);
+ env->thread = qemu_mallocz(sizeof(QemuThread));
+ env->halt_cond = qemu_mallocz(sizeof(QemuCond));
+ qemu_cond_init(env->halt_cond);
+ qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
+ while (env->created == 0)
+ qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
+}
+
+void qemu_init_vcpu(void *_env)
+{
+ CPUState *env = _env;
+
+ if (kvm_enabled())
+ kvm_start_vcpu(env);
+ else
+ tcg_init_vcpu(env);
+}
+
+void qemu_notify_event(void)
+{
+ qemu_event_increment();
+}
+
+void vm_stop(int reason)
+{
+ QemuThread me;
+ qemu_thread_self(&me);
+
+ if (!qemu_thread_equal(&me, &io_thread)) {
+ qemu_system_vmstop_request(reason);
+ /*
+ * FIXME: should not return to device code in case
+ * vm_stop() has been requested.
+ */
+ if (cpu_single_env) {
+ cpu_exit(cpu_single_env);
+ cpu_single_env->stop = 1;
+ }
+ return;
+ }
+ do_vm_stop(reason);
+}
+
+#endif
+
+
+#ifdef _WIN32
+static void host_main_loop_wait(int *timeout)
+{
+ int ret, ret2, i;
+ PollingEntry *pe;
+
+
+ /* XXX: need to suppress polling by better using win32 events */
+ ret = 0;
+ for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
+ ret |= pe->func(pe->opaque);
+ }
+ if (ret == 0) {
+ int err;
+ WaitObjects *w = &wait_objects;
+
+ ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
+ if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
+ if (w->func[ret - WAIT_OBJECT_0])
+ w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
+
+ /* Check for additional signaled events */
+ for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
+
+ /* Check if event is signaled */
+ ret2 = WaitForSingleObject(w->events[i], 0);
+ if(ret2 == WAIT_OBJECT_0) {
+ if (w->func[i])
+ w->func[i](w->opaque[i]);
+ } else if (ret2 == WAIT_TIMEOUT) {
+ } else {
+ err = GetLastError();
+ fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
+ }
+ }
+ } else if (ret == WAIT_TIMEOUT) {
+ } else {
+ err = GetLastError();
+ fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
+ }
+ }
+
+ *timeout = 0;
+}
+#else
+static void host_main_loop_wait(int *timeout)
+{
+}
+#endif
+
+void main_loop_wait(int timeout)
+{
+ IOHandlerRecord *ioh;
+ fd_set rfds, wfds, xfds;
+ int ret, nfds;
+ struct timeval tv;
+
+ qemu_bh_update_timeout(&timeout);
host_main_loop_wait(&timeout);
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 && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
- qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
- qemu_get_clock(vm_clock));
+ 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],
}
-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)) {
- gdb_set_stop_cpu(cur_cpu);
- 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)
{
- /* Please keep in synch with QEMU_OPTION_ enums, qemu_options[]
- and qemu-doc.texi */
- 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"
- "-h or -help display this help and exit\n"
- "-M machine select emulated machine (-M ? for list)\n"
- "-cpu cpu select CPU (-cpu ? for list)\n"
- "-smp n set the number of CPUs to 'n' [default=1]\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][,serial=s]\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"
- "-m megs set virtual RAM size to megs MB [default=%d]\n"
-#ifndef _WIN32
- "-k language use keyboard layout (for example \"fr\" for French)\n"
-#endif
-#ifdef HAS_AUDIO
- "-audio-help print list of audio drivers and their options\n"
- "-soundhw c1,... enable audio support\n"
- " and only specified sound cards (comma separated list)\n"
- " use -soundhw ? to get the list of supported cards\n"
- " use -soundhw all to enable all of them\n"
-#endif
- "-usb enable the USB driver (will be the default soon)\n"
- "-usbdevice name add the host or guest USB device 'name'\n"
- "-name string set the name of the guest\n"
- "-uuid %%08x-%%04x-%%04x-%%04x-%%012x\n"
- " specify machine UUID\n"
- "\n"
- "Display options:\n"
- "-nographic disable graphical output and redirect serial I/Os to console\n"
-#ifdef CONFIG_CURSES
- "-curses use a curses/ncurses interface instead of SDL\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
-#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"
- "-sdl enable SDL\n"
+
+ for (;;) {
+ do {
+#ifdef CONFIG_PROFILER
+ int64_t ti;
#endif
- "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
- "-vga [std|cirrus|vmware|none]\n"
- " select video card type\n"
- "-full-screen start in full screen\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
- "-vnc display start a VNC server on display\n"
- "\n"
- "Network options:\n"
- "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n"
- " create a new Network Interface Card and connect it to VLAN 'n'\n"
-#ifdef CONFIG_SLIRP
- "-net user[,vlan=n][,name=str][,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][,name=str],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][,name=str][,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][,name=str][,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][,name=str][,fd=h][,mcast=maddr:port]\n"
- " connect the vlan 'n' to multicast maddr and port\n"
-#ifdef CONFIG_VDE
- "-net vde[,vlan=n][,name=str][,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"
+ main_loop_wait(qemu_calculate_timeout());
#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"
-#ifdef CONFIG_SLIRP
- "-tftp dir allow tftp access to files in dir [-net user]\n"
- "-bootp file advertise file in BOOTP replies\n"
-#ifndef _WIN32
- "-smb dir allow SMB access to files in 'dir' [-net user]\n"
-#endif
- "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
- " redirect TCP or UDP connections from host to guest [-net user]\n"
+#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"
- "-bt hci,null dumb bluetooth HCI - doesn't respond to commands\n"
- "-bt hci,host[:id]\n"
- " use host's HCI with the given name\n"
- "-bt hci[,vlan=n]\n"
- " emulate a standard HCI in virtual scatternet 'n'\n"
- "-bt vhci[,vlan=n]\n"
- " add host computer to virtual scatternet 'n' using VHCI\n"
- "-bt device:dev[,vlan=n]\n"
- " emulate a bluetooth device 'dev' in scatternet 'n'\n"
- "\n"
-#ifdef TARGET_I386
- "\n"
- "i386 target only:\n"
- "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
- "-rtc-td-hack use it to fix time drift in Windows ACPI HAL\n"
- "-no-fd-bootchk disable boot signature checking for floppy disks\n"
- "-no-acpi disable ACPI\n"
- "-no-hpet disable HPET\n"
- "-acpitable [sig=str][,rev=n][,oem_id=str][,oem_table_id=str][,oem_rev=n][,asl_compiler_id=str][,asl_compiler_rev=n][,data=file1[:file2]...]\n"
- " ACPI table description\n"
-#endif
- "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"
- "-serial dev redirect the serial port to char device 'dev'\n"
- "-parallel dev redirect the parallel port to char device 'dev'\n"
- "-monitor dev redirect the monitor 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]\n"
- " 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"
- "-bios file set the filename for the BIOS\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
- "-no-reboot exit instead of rebooting\n"
- "-no-shutdown stop before shutdown\n"
- "-loadvm [tag|id]\n"
- " start right away with a saved state (loadvm in monitor)\n"
-#ifndef _WIN32
- "-daemonize daemonize QEMU after initializing\n"
-#endif
- "-option-rom rom load a file, rom, into the option ROM space\n"
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
- "-prom-env variable=value\n"
- " 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"
- "-localtime set the real time clock to local time [default=utc]\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"
- "-echr chr set terminal escape character instead of ctrl-a\n"
- "-virtioconsole c\n"
- " set virtio console\n"
- "-show-cursor show cursor\n"
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
- "-semihosting semihosting mode\n"
-#endif
-#if defined(TARGET_ARM)
- "-old-param old param mode\n"
-#endif
- "-tb-size n set TB size\n"
- "-incoming p prepare for incoming migration, listen on port p\n"
-#ifndef _WIN32
- "-chroot dir Chroot to dir just before starting the VM.\n"
- "-runas user Change to user id user just before starting the VM.\n"
-#endif
+#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"
#define HAS_ARG 0x0001
enum {
- /* Please keep in synch with help, qemu_options[] and
- qemu-doc.texi */
- /* Standard options: */
- QEMU_OPTION_h,
- QEMU_OPTION_M,
- QEMU_OPTION_cpu,
- QEMU_OPTION_smp,
- QEMU_OPTION_fda,
- QEMU_OPTION_fdb,
- QEMU_OPTION_hda,
- QEMU_OPTION_hdb,
- QEMU_OPTION_hdc,
- QEMU_OPTION_hdd,
- QEMU_OPTION_cdrom,
- QEMU_OPTION_drive,
- QEMU_OPTION_mtdblock,
- QEMU_OPTION_sd,
- QEMU_OPTION_pflash,
- QEMU_OPTION_boot,
- QEMU_OPTION_snapshot,
- QEMU_OPTION_m,
- QEMU_OPTION_k,
- QEMU_OPTION_audio_help,
- QEMU_OPTION_soundhw,
- QEMU_OPTION_usb,
- QEMU_OPTION_usbdevice,
- QEMU_OPTION_name,
- QEMU_OPTION_uuid,
-
- /* Display options: */
- QEMU_OPTION_nographic,
- QEMU_OPTION_curses,
- QEMU_OPTION_no_frame,
- QEMU_OPTION_alt_grab,
- QEMU_OPTION_no_quit,
- QEMU_OPTION_sdl,
- QEMU_OPTION_portrait,
- QEMU_OPTION_vga,
- QEMU_OPTION_full_screen,
- QEMU_OPTION_g,
- QEMU_OPTION_vnc,
-
- /* Network options: */
- QEMU_OPTION_net,
- QEMU_OPTION_tftp,
- QEMU_OPTION_bootp,
- QEMU_OPTION_smb,
- QEMU_OPTION_redir,
- QEMU_OPTION_bt,
-
- /* i386 target only: */
- QEMU_OPTION_win2k_hack,
- QEMU_OPTION_rtc_td_hack,
- QEMU_OPTION_no_fd_bootchk,
- QEMU_OPTION_no_acpi,
- QEMU_OPTION_no_hpet,
- QEMU_OPTION_acpitable,
-
- /* Linux boot specific: */
- QEMU_OPTION_kernel,
- QEMU_OPTION_append,
- QEMU_OPTION_initrd,
-
- /* Debug/Expert options: */
- QEMU_OPTION_serial,
- QEMU_OPTION_parallel,
- QEMU_OPTION_monitor,
- QEMU_OPTION_pidfile,
- QEMU_OPTION_S,
- QEMU_OPTION_s,
- QEMU_OPTION_p,
- QEMU_OPTION_d,
- QEMU_OPTION_hdachs,
- QEMU_OPTION_L,
- QEMU_OPTION_bios,
- QEMU_OPTION_kernel_kqemu,
- QEMU_OPTION_no_kqemu,
- QEMU_OPTION_enable_kvm,
- QEMU_OPTION_no_reboot,
- QEMU_OPTION_no_shutdown,
- QEMU_OPTION_loadvm,
- QEMU_OPTION_daemonize,
- QEMU_OPTION_option_rom,
- QEMU_OPTION_prom_env,
- QEMU_OPTION_clock,
- QEMU_OPTION_localtime,
- QEMU_OPTION_startdate,
- QEMU_OPTION_icount,
- QEMU_OPTION_echr,
- QEMU_OPTION_virtiocon,
- QEMU_OPTION_show_cursor,
- QEMU_OPTION_semihosting,
- QEMU_OPTION_old_param,
- QEMU_OPTION_tb_size,
- QEMU_OPTION_incoming,
- QEMU_OPTION_chroot,
- QEMU_OPTION_runas,
+#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 {
} QEMUOption;
static const QEMUOption qemu_options[] = {
- /* Please keep in synch with help, QEMU_OPTION_ enums, and
- qemu-doc.texi */
- /* Standard options: */
{ "h", 0, QEMU_OPTION_h },
- { "help", 0, QEMU_OPTION_h },
- { "M", HAS_ARG, QEMU_OPTION_M },
- { "cpu", HAS_ARG, QEMU_OPTION_cpu },
- { "smp", HAS_ARG, QEMU_OPTION_smp },
- { "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 },
- { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
- { "drive", HAS_ARG, QEMU_OPTION_drive },
- { "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 },
- { "m", HAS_ARG, QEMU_OPTION_m },
-#ifndef _WIN32
- { "k", HAS_ARG, QEMU_OPTION_k },
-#endif
-#ifdef HAS_AUDIO
- { "audio-help", 0, QEMU_OPTION_audio_help },
- { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
-#endif
- { "usb", 0, QEMU_OPTION_usb },
- { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
- { "name", HAS_ARG, QEMU_OPTION_name },
- { "uuid", HAS_ARG, QEMU_OPTION_uuid },
-
- /* Display options: */
- { "nographic", 0, QEMU_OPTION_nographic },
-#ifdef CONFIG_CURSES
- { "curses", 0, QEMU_OPTION_curses },
-#endif
-#ifdef CONFIG_SDL
- { "no-frame", 0, QEMU_OPTION_no_frame },
- { "alt-grab", 0, QEMU_OPTION_alt_grab },
- { "no-quit", 0, QEMU_OPTION_no_quit },
- { "sdl", 0, QEMU_OPTION_sdl },
-#endif
- { "portrait", 0, QEMU_OPTION_portrait },
- { "vga", HAS_ARG, QEMU_OPTION_vga },
- { "full-screen", 0, QEMU_OPTION_full_screen },
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
- { "g", 1, QEMU_OPTION_g },
-#endif
- { "vnc", HAS_ARG, QEMU_OPTION_vnc },
-
- /* Network options: */
- { "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
- { "bt", HAS_ARG, QEMU_OPTION_bt },
-#ifdef TARGET_I386
- /* i386 target only: */
- { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
- { "rtc-td-hack", 0, QEMU_OPTION_rtc_td_hack },
- { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
- { "no-acpi", 0, QEMU_OPTION_no_acpi },
- { "no-hpet", 0, QEMU_OPTION_no_hpet },
- { "acpitable", HAS_ARG, QEMU_OPTION_acpitable },
-#endif
-
- /* Linux boot specific: */
- { "kernel", HAS_ARG, QEMU_OPTION_kernel },
- { "append", HAS_ARG, QEMU_OPTION_append },
- { "initrd", HAS_ARG, QEMU_OPTION_initrd },
-
- /* Debug/Expert options: */
- { "serial", HAS_ARG, QEMU_OPTION_serial },
- { "parallel", HAS_ARG, QEMU_OPTION_parallel },
- { "monitor", HAS_ARG, QEMU_OPTION_monitor },
- { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
- { "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
- { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
- { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
-#endif
-#ifdef CONFIG_KVM
- { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
-#endif
- { "no-reboot", 0, QEMU_OPTION_no_reboot },
- { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
- { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
- { "daemonize", 0, QEMU_OPTION_daemonize },
- { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
- { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
-#endif
- { "clock", HAS_ARG, QEMU_OPTION_clock },
- { "localtime", 0, QEMU_OPTION_localtime },
- { "startdate", HAS_ARG, QEMU_OPTION_startdate },
- { "icount", HAS_ARG, QEMU_OPTION_icount },
- { "echr", HAS_ARG, QEMU_OPTION_echr },
- { "virtioconsole", HAS_ARG, QEMU_OPTION_virtiocon },
- { "show-cursor", 0, QEMU_OPTION_show_cursor },
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
- { "semihosting", 0, QEMU_OPTION_semihosting },
-#endif
-#if defined(TARGET_ARM)
- { "old-param", 0, QEMU_OPTION_old_param },
-#endif
- { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
- { "incoming", HAS_ARG, QEMU_OPTION_incoming },
- { "chroot", HAS_ARG, QEMU_OPTION_chroot },
- { "runas", HAS_ARG, QEMU_OPTION_runas },
+#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 },
};
{
const char *opts;
+ cirrus_vga_enabled = 0;
+ std_vga_enabled = 0;
+ vmsvga_enabled = 0;
+ xenfb_enabled = 0;
if (strstart(p, "std", &opts)) {
std_vga_enabled = 1;
- cirrus_vga_enabled = 0;
- vmsvga_enabled = 0;
} else if (strstart(p, "cirrus", &opts)) {
cirrus_vga_enabled = 1;
- std_vga_enabled = 0;
- vmsvga_enabled = 0;
} else if (strstart(p, "vmware", &opts)) {
- cirrus_vga_enabled = 0;
- std_vga_enabled = 0;
vmsvga_enabled = 1;
- } else if (strstart(p, "none", &opts)) {
- cirrus_vga_enabled = 0;
- std_vga_enabled = 0;
- vmsvga_enabled = 0;
- } 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, char **envp)
+#ifdef _WIN32
+/* Look for support files in the same directory as the executable. */
+static char *find_datadir(const char *argv0)
+{
+ char *p;
+ char buf[MAX_PATH];
+ DWORD len;
+
+ len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+ if (len == 0) {
+ return len;
+ }
+
+ buf[len] = 0;
+ p = buf + len - 1;
+ while (p != buf && *p != '\\')
+ p--;
+ *p = 0;
+ if (access(buf, R_OK) == 0) {
+ return qemu_strdup(buf);
+ }
+ return NULL;
+}
+#else /* !_WIN32 */
+
+/* Find a likely location for support files using the location of the binary.
+ For installed binaries this will be "$bindir/../share/qemu". When
+ running from the build tree this will be "$bindir/../pc-bios". */
+#define SHARE_SUFFIX "/share/qemu"
+#define BUILD_SUFFIX "/pc-bios"
+static char *find_datadir(const char *argv0)
{
-#ifdef CONFIG_GDBSTUB
- int use_gdbstub;
- const char *gdbstub_port;
+ char *dir;
+ char *p = NULL;
+ char *res;
+#ifdef PATH_MAX
+ char buf[PATH_MAX];
+#endif
+
+#if defined(__linux__)
+ {
+ int len;
+ len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#elif defined(__FreeBSD__)
+ {
+ int len;
+ len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#endif
+ /* If we don't have any way of figuring out the actual executable
+ location then try argv[0]. */
+ if (!p) {
+#ifdef PATH_MAX
+ p = buf;
+#endif
+ p = realpath(argv0, p);
+ if (!p) {
+ return NULL;
+ }
+ }
+ dir = dirname(p);
+ dir = dirname(dir);
+
+ res = qemu_mallocz(strlen(dir) +
+ MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1);
+ sprintf(res, "%s%s", dir, SHARE_SUFFIX);
+ if (access(res, R_OK)) {
+ sprintf(res, "%s%s", dir, BUILD_SUFFIX);
+ if (access(res, R_OK)) {
+ qemu_free(res);
+ res = NULL;
+ }
+ }
+#ifndef PATH_MAX
+ free(p);
#endif
+ return res;
+}
+#undef SHARE_SUFFIX
+#undef BUILD_SUFFIX
+#endif
+
+char *qemu_find_file(int type, const char *name)
+{
+ int len;
+ const char *subdir;
+ char *buf;
+
+ /* If name contains path separators then try it as a straight path. */
+ if ((strchr(name, '/') || strchr(name, '\\'))
+ && access(name, R_OK) == 0) {
+ return strdup(name);
+ }
+ switch (type) {
+ case QEMU_FILE_TYPE_BIOS:
+ subdir = "";
+ break;
+ case QEMU_FILE_TYPE_KEYMAP:
+ subdir = "keymaps/";
+ break;
+ default:
+ abort();
+ }
+ len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
+ buf = qemu_mallocz(len);
+ sprintf(buf, "%s/%s%s", data_dir, subdir, name);
+ if (access(buf, R_OK)) {
+ qemu_free(buf);
+ return NULL;
+ }
+ return buf;
+}
+
+int main(int argc, char **argv, char **envp)
+{
+ const char *gdbstub_dev = NULL;
uint32_t boot_devices_bitmap = 0;
int i;
int snapshot, linux_boot, net_boot;
const char *cpu_model;
const char *usb_devices[MAX_USB_CMDLINE];
int usb_devices_index;
+#ifndef _WIN32
int fds[2];
+#endif
int tb_size;
const char *pid_file = NULL;
const char *incoming = NULL;
+#ifndef _WIN32
int fd = 0;
struct passwd *pwd = NULL;
const char *chroot_dir = NULL;
const char *run_as = NULL;
+#endif
+ CPUState *env;
+ int show_vnc_port = 0;
qemu_cache_utils_init(envp);
}
#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;
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, NULL);
break;
#endif
case QEMU_OPTION_bt:
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;
+ data_dir = optarg;
break;
case QEMU_OPTION_bios:
bios_name = optarg;
break;
+ case QEMU_OPTION_singlestep:
+ singlestep = 1;
+ break;
case QEMU_OPTION_S:
autostart = 0;
break;
+#ifndef _WIN32
case QEMU_OPTION_k:
keyboard_layout = optarg;
break;
+#endif
case QEMU_OPTION_localtime:
rtc_utc = 0;
break;
case QEMU_OPTION_vga:
select_vgahw (optarg);
break;
+#if defined(TARGET_PPC) || defined(TARGET_SPARC)
case QEMU_OPTION_g:
{
const char *p;
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");
no_quit = 1;
break;
case QEMU_OPTION_sdl:
- sdl = 1;
+ display_type = DT_SDL;
break;
#endif
case QEMU_OPTION_pidfile:
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;
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 no data_dir is specified then try to find it relative to the
+ executable path. */
+ if (!data_dir) {
+ data_dir = find_datadir(argv[0]);
+ }
+ /* If all else fails use the install patch specified when building. */
+ if (!data_dir) {
+ data_dir = CONFIG_QEMU_SHAREDIR;
+ }
+
+#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
if (kvm_allowed && kqemu_allowed) {
fprintf(stderr,
"You can not enable both KVM and kqemu at the same time\n");
exit(1);
}
- 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);
for (i = 0; i < nb_nics && i < 4; i++) {
const char *model = nd_table[i].model;
char buf[1024];
+ char *filename;
if (net_boot & (1 << i)) {
if (model == NULL)
model = "ne2k_pci";
- snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
- if (get_image_size(buf) > 0) {
+ snprintf(buf, sizeof(buf), "pxe-%s.bin", model);
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf);
+ if (filename && get_image_size(filename) > 0) {
if (nb_option_roms >= MAX_OPTION_ROMS) {
fprintf(stderr, "Too many option ROMs\n");
exit(1);
}
- option_rom[nb_option_roms] = strdup(buf);
+ option_rom[nb_option_roms] = qemu_strdup(buf);
nb_option_roms++;
netroms++;
}
+ if (filename) {
+ qemu_free(filename);
+ }
}
}
if (netroms == 0) {
exit(1);
/* init the memory */
- phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
-
- if (machine->ram_require & RAMSIZE_FIXED) {
- if (ram_size > 0) {
- if (ram_size < phys_ram_size) {
- fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
- machine->name, (unsigned long long) phys_ram_size);
- exit(-1);
- }
-
- phys_ram_size = ram_size;
- } else
- ram_size = phys_ram_size;
- } else {
- if (ram_size == 0)
- ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
-
- phys_ram_size += ram_size;
- }
-
- phys_ram_base = qemu_vmalloc(phys_ram_size);
- if (!phys_ram_base) {
- fprintf(stderr, "Could not allocate physical memory\n");
- exit(1);
+ 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);
}
}
+ 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;
}
}
- machine->init(ram_size, vga_ram_size, boot_devices,
+ 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. */
dumb_display_init();
/* just use the first displaystate for the moment */
ds = display_state;
- /* terminal init */
- if (nographic) {
- if (curses) {
- fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
- exit(1);
- }
- } else {
+
+ if (display_type == DT_DEFAULT) {
+#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
+ display_type = DT_SDL;
+#else
+ display_type = DT_VNC;
+ vnc_display = "localhost:0,to=99";
+ show_vnc_port = 1;
+#endif
+ }
+
+
+ switch (display_type) {
+ case DT_NOGRAPHIC:
+ break;
#if defined(CONFIG_CURSES)
- if (curses) {
- /* At the moment curses cannot be used with other displays */
- curses_display_init(ds, full_screen);
- } else
+ case DT_CURSES:
+ curses_display_init(ds, full_screen);
+ break;
#endif
- {
- if (vnc_display != NULL) {
- vnc_display_init(ds);
- if (vnc_display_open(ds, vnc_display) < 0)
- exit(1);
- }
#if defined(CONFIG_SDL)
- if (sdl || !vnc_display)
- sdl_display_init(ds, full_screen, no_frame);
+ case DT_SDL:
+ sdl_display_init(ds, full_screen, no_frame);
+ break;
#elif defined(CONFIG_COCOA)
- if (sdl || !vnc_display)
- cocoa_display_init(ds, full_screen);
+ 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 = dcl->next;
}
- if (nographic || (vnc_display && !sdl)) {
+ 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));
}
}
}
-#ifdef CONFIG_GDBSTUB
- if (use_gdbstub) {
- /* XXX: use standard host:port notation and modify options
- accordingly. */
- if (gdbserver_start(gdbstub_port) < 0) {
- fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
- gdbstub_port);
- exit(1);
- }
+ if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
+ fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
+ gdbstub_dev);
+ exit(1);
}
-#endif
if (loadvm)
do_loadvm(cur_mon, loadvm);
if (autostart)
vm_start();
+#ifndef _WIN32
if (daemonize) {
uint8_t status = 0;
ssize_t len;
exit(1);
}
-#ifndef _WIN32
if (run_as) {
pwd = getpwnam(run_as);
if (!pwd) {
exit(1);
}
}
-#endif
if (daemonize) {
dup2(fd, 0);
close(fd);
}
+#endif
main_loop();
quit_timers();
projects / qemu / blobdiff