#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <libutil.h>
+#include <sys/sysctl.h>
#else
#include <util.h>
#endif
#ifdef __linux__
#include <pty.h>
#include <malloc.h>
-#include <linux/rtc.h>
#include <sys/prctl.h>
-/* For the benefit of older linux systems which don't supply it,
- we use a local copy of hpet.h. */
-/* #include <linux/hpet.h> */
-#include "hpet.h"
-
#include <linux/ppdev.h>
#include <linux/parport.h>
#endif
#ifdef _WIN32
#include <windows.h>
-#include <mmsystem.h>
#endif
#ifdef CONFIG_SDL
#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 "audio/audio.h"
#include "migration.h"
#include "kvm.h"
-#include "balloon.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "qemu-objects.h"
+#ifdef CONFIG_LINUX
+#include "fsdev/qemu-fsdev.h"
+#endif
#include "disas.h"
-#include "exec-all.h"
-
#include "qemu_socket.h"
#include "slirp/libslirp.h"
#include "qemu-queue.h"
+#include "cpus.h"
+#include "arch_init.h"
//#define DEBUG_NET
//#define DEBUG_SLIRP
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
-static DisplayState *display_state;
DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
ram_addr_t ram_size;
+const char *mem_path = NULL;
+#ifdef MAP_POPULATE
+int mem_prealloc = 0; /* force preallocation of physical target memory */
+#endif
int nb_nics;
NICInfo nd_table[MAX_NICS];
int vm_running;
static int rtc_date_offset = -1; /* -1 means no change */
QEMUClock *rtc_clock;
int vga_interface_type = VGA_NONE;
-#ifdef TARGET_SPARC
-int graphic_width = 1024;
-int graphic_height = 768;
-int graphic_depth = 8;
-#else
-int graphic_width = 800;
-int graphic_height = 600;
-int graphic_depth = 15;
-#endif
static int full_screen = 0;
#ifdef CONFIG_SDL
static int no_frame = 0;
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 *option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
-#ifdef TARGET_ARM
int old_param = 0;
-#endif
const char *qemu_name;
int alt_grab = 0;
int ctrl_grab = 0;
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
-#endif
int boot_menu;
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint64_t node_cpumask[MAX_NODES];
-static CPUState *cur_cpu;
-static CPUState *next_cpu;
-static int timer_alarm_pending = 1;
-/* Conversion factor from emulated instructions to virtual clock ticks. */
-static int icount_time_shift;
-/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
-#define MAX_ICOUNT_SHIFT 10
-/* Compensate for varying guest execution speed. */
-static int64_t qemu_icount_bias;
-static QEMUTimer *icount_rt_timer;
-static QEMUTimer *icount_vm_timer;
static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
static QEMUBootSetHandler *boot_set_handler;
static void *boot_set_opaque;
+int kvm_allowed = 0;
+uint32_t xen_domid;
+enum xen_mode xen_mode = XEN_EMULATE;
+
static int default_serial = 1;
static int default_parallel = 1;
static int default_virtcon = 1;
}
/***********************************************************/
-/* x86 ISA bus support */
-
-target_phys_addr_t isa_mem_base = 0;
-PicState2 *isa_pic;
-
-/***********************************************************/
-void hw_error(const char *fmt, ...)
-{
- va_list ap;
- CPUState *env;
-
- va_start(ap, fmt);
- fprintf(stderr, "qemu: hardware error: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- for(env = first_cpu; env != NULL; env = env->next_cpu) {
- fprintf(stderr, "CPU #%d:\n", env->cpu_index);
-#ifdef TARGET_I386
- cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
-#else
- cpu_dump_state(env, stderr, fprintf, 0);
-#endif
- }
- va_end(ap);
- abort();
-}
static void set_proc_name(const char *s)
{
#endif
}
-/***************/
-/* 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;
-}
-
-int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-int qemu_balloon_status(MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-
/***********************************************************/
/* real time host monotonic timer */
return res.ll;
}
-static int64_t get_clock_realtime(void)
+/***********************************************************/
+/* host time/date access */
+void qemu_get_timedate(struct tm *tm, int offset)
{
- struct timeval tv;
-
- gettimeofday(&tv, NULL);
- return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
-}
-
-#ifdef WIN32
-
-static int64_t clock_freq;
+ time_t ti;
+ struct tm *ret;
-static void init_get_clock(void)
-{
- LARGE_INTEGER freq;
- int ret;
- ret = QueryPerformanceFrequency(&freq);
- if (ret == 0) {
- fprintf(stderr, "Could not calibrate ticks\n");
- exit(1);
+ time(&ti);
+ ti += offset;
+ if (rtc_date_offset == -1) {
+ if (rtc_utc)
+ ret = gmtime(&ti);
+ else
+ ret = localtime(&ti);
+ } else {
+ ti -= rtc_date_offset;
+ ret = gmtime(&ti);
}
- clock_freq = freq.QuadPart;
+
+ memcpy(tm, ret, sizeof(struct tm));
}
-static int64_t get_clock(void)
+int qemu_timedate_diff(struct tm *tm)
{
- LARGE_INTEGER ti;
- QueryPerformanceCounter(&ti);
- return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq);
-}
+ time_t seconds;
-#else
+ if (rtc_date_offset == -1)
+ if (rtc_utc)
+ seconds = mktimegm(tm);
+ else
+ seconds = mktime(tm);
+ else
+ seconds = mktimegm(tm) + rtc_date_offset;
-static int use_rt_clock;
+ return seconds - time(NULL);
+}
-static void init_get_clock(void)
+void rtc_change_mon_event(struct tm *tm)
{
- use_rt_clock = 0;
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
- || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- {
- struct timespec ts;
- if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
- use_rt_clock = 1;
- }
- }
-#endif
+ QObject *data;
+
+ data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
+ monitor_protocol_event(QEVENT_RTC_CHANGE, data);
+ qobject_decref(data);
}
-static int64_t get_clock(void)
+static void configure_rtc_date_offset(const char *startdate, int legacy)
{
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
- || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- if (use_rt_clock) {
- struct timespec ts;
- clock_gettime(CLOCK_MONOTONIC, &ts);
- return ts.tv_sec * 1000000000LL + ts.tv_nsec;
- } else
-#endif
- {
- /* XXX: using gettimeofday leads to problems if the date
- changes, so it should be avoided. */
- return get_clock_realtime();
+ time_t rtc_start_date;
+ struct tm tm;
+
+ if (!strcmp(startdate, "now") && legacy) {
+ rtc_date_offset = -1;
+ } else {
+ if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
+ &tm.tm_year,
+ &tm.tm_mon,
+ &tm.tm_mday,
+ &tm.tm_hour,
+ &tm.tm_min,
+ &tm.tm_sec) == 6) {
+ /* OK */
+ } else if (sscanf(startdate, "%d-%d-%d",
+ &tm.tm_year,
+ &tm.tm_mon,
+ &tm.tm_mday) == 3) {
+ tm.tm_hour = 0;
+ tm.tm_min = 0;
+ tm.tm_sec = 0;
+ } else {
+ goto date_fail;
+ }
+ tm.tm_year -= 1900;
+ tm.tm_mon--;
+ rtc_start_date = mktimegm(&tm);
+ if (rtc_start_date == -1) {
+ date_fail:
+ fprintf(stderr, "Invalid date format. Valid formats are:\n"
+ "'2006-06-17T16:01:21' or '2006-06-17'\n");
+ exit(1);
+ }
+ rtc_date_offset = time(NULL) - rtc_start_date;
}
}
-#endif
-/* Return the virtual CPU time, based on the instruction counter. */
-static int64_t cpu_get_icount(void)
+static void configure_rtc(QemuOpts *opts)
{
- int64_t icount;
- CPUState *env = cpu_single_env;;
- icount = qemu_icount;
- if (env) {
- if (!can_do_io(env))
- fprintf(stderr, "Bad clock read\n");
- icount -= (env->icount_decr.u16.low + env->icount_extra);
- }
- return qemu_icount_bias + (icount << icount_time_shift);
-}
-
-/***********************************************************/
-/* guest cycle counter */
-
-typedef struct TimersState {
- int64_t cpu_ticks_prev;
- int64_t cpu_ticks_offset;
- int64_t cpu_clock_offset;
- int32_t cpu_ticks_enabled;
- int64_t dummy;
-} TimersState;
-
-TimersState timers_state;
+ const char *value;
-/* return the host CPU cycle counter and handle stop/restart */
-int64_t cpu_get_ticks(void)
-{
- if (use_icount) {
- return cpu_get_icount();
+ value = qemu_opt_get(opts, "base");
+ if (value) {
+ if (!strcmp(value, "utc")) {
+ rtc_utc = 1;
+ } else if (!strcmp(value, "localtime")) {
+ rtc_utc = 0;
+ } else {
+ configure_rtc_date_offset(value, 0);
+ }
}
- if (!timers_state.cpu_ticks_enabled) {
- return timers_state.cpu_ticks_offset;
- } else {
- int64_t ticks;
- ticks = cpu_get_real_ticks();
- if (timers_state.cpu_ticks_prev > ticks) {
- /* Note: non increasing ticks may happen if the host uses
- software suspend */
- timers_state.cpu_ticks_offset += timers_state.cpu_ticks_prev - ticks;
+ value = qemu_opt_get(opts, "clock");
+ if (value) {
+ if (!strcmp(value, "host")) {
+ rtc_clock = host_clock;
+ } else if (!strcmp(value, "vm")) {
+ rtc_clock = vm_clock;
+ } else {
+ fprintf(stderr, "qemu: invalid option value '%s'\n", value);
+ exit(1);
+ }
+ }
+ value = qemu_opt_get(opts, "driftfix");
+ if (value) {
+ if (!strcmp(value, "slew")) {
+ rtc_td_hack = 1;
+ } else if (!strcmp(value, "none")) {
+ rtc_td_hack = 0;
+ } else {
+ fprintf(stderr, "qemu: invalid option value '%s'\n", value);
+ exit(1);
}
- timers_state.cpu_ticks_prev = ticks;
- return ticks + timers_state.cpu_ticks_offset;
}
}
-/* return the host CPU monotonic timer and handle stop/restart */
-static int64_t cpu_get_clock(void)
+/***********************************************************/
+/* Bluetooth support */
+static int nb_hcis;
+static int cur_hci;
+static struct HCIInfo *hci_table[MAX_NICS];
+
+static struct bt_vlan_s {
+ struct bt_scatternet_s net;
+ int id;
+ struct bt_vlan_s *next;
+} *first_bt_vlan;
+
+/* find or alloc a new bluetooth "VLAN" */
+static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
{
- int64_t ti;
- if (!timers_state.cpu_ticks_enabled) {
- return timers_state.cpu_clock_offset;
- } else {
- ti = get_clock();
- return ti + timers_state.cpu_clock_offset;
+ struct bt_vlan_s **pvlan, *vlan;
+ for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
+ if (vlan->id == id)
+ return &vlan->net;
}
+ vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
+ vlan->id = id;
+ pvlan = &first_bt_vlan;
+ while (*pvlan != NULL)
+ pvlan = &(*pvlan)->next;
+ *pvlan = vlan;
+ return &vlan->net;
}
-/* enable cpu_get_ticks() */
-void cpu_enable_ticks(void)
+static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
{
- if (!timers_state.cpu_ticks_enabled) {
- timers_state.cpu_ticks_offset -= cpu_get_real_ticks();
- timers_state.cpu_clock_offset -= get_clock();
- timers_state.cpu_ticks_enabled = 1;
- }
}
-/* disable cpu_get_ticks() : the clock is stopped. You must not call
- cpu_get_ticks() after that. */
-void cpu_disable_ticks(void)
+static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
{
- if (timers_state.cpu_ticks_enabled) {
- timers_state.cpu_ticks_offset = cpu_get_ticks();
- timers_state.cpu_clock_offset = cpu_get_clock();
- timers_state.cpu_ticks_enabled = 0;
- }
+ return -ENOTSUP;
}
-/***********************************************************/
-/* timers */
-
-#define QEMU_CLOCK_REALTIME 0
-#define QEMU_CLOCK_VIRTUAL 1
-#define QEMU_CLOCK_HOST 2
-
-struct QEMUClock {
- int type;
- /* XXX: add frequency */
+static struct HCIInfo null_hci = {
+ .cmd_send = null_hci_send,
+ .sco_send = null_hci_send,
+ .acl_send = null_hci_send,
+ .bdaddr_set = null_hci_addr_set,
};
-struct QEMUTimer {
- QEMUClock *clock;
- int64_t expire_time;
- QEMUTimerCB *cb;
- void *opaque;
- struct QEMUTimer *next;
-};
+struct HCIInfo *qemu_next_hci(void)
+{
+ if (cur_hci == nb_hcis)
+ return &null_hci;
-struct qemu_alarm_timer {
- char const *name;
- unsigned int flags;
+ return hci_table[cur_hci++];
+}
- int (*start)(struct qemu_alarm_timer *t);
- void (*stop)(struct qemu_alarm_timer *t);
- void (*rearm)(struct qemu_alarm_timer *t);
- void *priv;
-};
+static struct HCIInfo *hci_init(const char *str)
+{
+ char *endp;
+ struct bt_scatternet_s *vlan = 0;
+
+ if (!strcmp(str, "null"))
+ /* null */
+ return &null_hci;
+ else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
+ /* host[:hciN] */
+ return bt_host_hci(str[4] ? str + 5 : "hci0");
+ else if (!strncmp(str, "hci", 3)) {
+ /* hci[,vlan=n] */
+ if (str[3]) {
+ if (!strncmp(str + 3, ",vlan=", 6)) {
+ vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
+ if (*endp)
+ vlan = 0;
+ }
+ } else
+ vlan = qemu_find_bt_vlan(0);
+ if (vlan)
+ return bt_new_hci(vlan);
+ }
-#define ALARM_FLAG_DYNTICKS 0x1
-#define ALARM_FLAG_EXPIRED 0x2
+ fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
-static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
-{
- return t && (t->flags & ALARM_FLAG_DYNTICKS);
+ return 0;
}
-static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
+static int bt_hci_parse(const char *str)
{
- if (!alarm_has_dynticks(t))
- return;
+ struct HCIInfo *hci;
+ bdaddr_t bdaddr;
- t->rearm(t);
-}
+ if (nb_hcis >= MAX_NICS) {
+ fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
+ return -1;
+ }
-/* TODO: MIN_TIMER_REARM_US should be optimized */
-#define MIN_TIMER_REARM_US 250
+ hci = hci_init(str);
+ if (!hci)
+ return -1;
-static struct qemu_alarm_timer *alarm_timer;
+ 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);
-#ifdef _WIN32
+ hci_table[nb_hcis++] = hci;
-struct qemu_alarm_win32 {
- MMRESULT timerId;
- unsigned int period;
-} 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);
-static void win32_rearm_timer(struct qemu_alarm_timer *t);
-
-#else
-
-static int unix_start_timer(struct qemu_alarm_timer *t);
-static void unix_stop_timer(struct qemu_alarm_timer *t);
-
-#ifdef __linux__
-
-static int dynticks_start_timer(struct qemu_alarm_timer *t);
-static void dynticks_stop_timer(struct qemu_alarm_timer *t);
-static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
-
-static int hpet_start_timer(struct qemu_alarm_timer *t);
-static void hpet_stop_timer(struct qemu_alarm_timer *t);
-
-static int rtc_start_timer(struct qemu_alarm_timer *t);
-static void rtc_stop_timer(struct qemu_alarm_timer *t);
-
-#endif /* __linux__ */
-
-#endif /* _WIN32 */
-
-/* Correlation between real and virtual time is always going to be
- fairly approximate, so ignore small variation.
- When the guest is idle real and virtual time will be aligned in
- the IO wait loop. */
-#define ICOUNT_WOBBLE (get_ticks_per_sec() / 10)
-
-static void icount_adjust(void)
-{
- int64_t cur_time;
- int64_t cur_icount;
- int64_t delta;
- static int64_t last_delta;
- /* If the VM is not running, then do nothing. */
- if (!vm_running)
- return;
-
- cur_time = cpu_get_clock();
- cur_icount = qemu_get_clock(vm_clock);
- delta = cur_icount - cur_time;
- /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
- if (delta > 0
- && last_delta + ICOUNT_WOBBLE < delta * 2
- && icount_time_shift > 0) {
- /* The guest is getting too far ahead. Slow time down. */
- icount_time_shift--;
- }
- if (delta < 0
- && last_delta - ICOUNT_WOBBLE > delta * 2
- && icount_time_shift < MAX_ICOUNT_SHIFT) {
- /* The guest is getting too far behind. Speed time up. */
- icount_time_shift++;
- }
- last_delta = delta;
- qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
-}
-
-static void icount_adjust_rt(void * opaque)
-{
- qemu_mod_timer(icount_rt_timer,
- qemu_get_clock(rt_clock) + 1000);
- icount_adjust();
-}
-
-static void icount_adjust_vm(void * opaque)
-{
- qemu_mod_timer(icount_vm_timer,
- qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10);
- icount_adjust();
-}
-
-static void init_icount_adjust(void)
-{
- /* Have both realtime and virtual time triggers for speed adjustment.
- The realtime trigger catches emulated time passing too slowly,
- the virtual time trigger catches emulated time passing too fast.
- Realtime triggers occur even when idle, so use them less frequently
- than VM triggers. */
- icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
- qemu_mod_timer(icount_rt_timer,
- qemu_get_clock(rt_clock) + 1000);
- icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
- qemu_mod_timer(icount_vm_timer,
- qemu_get_clock(vm_clock) + get_ticks_per_sec() / 10);
-}
-
-static struct qemu_alarm_timer alarm_timers[] = {
-#ifndef _WIN32
-#ifdef __linux__
- {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
- dynticks_stop_timer, dynticks_rearm_timer, NULL},
- /* HPET - if available - is preferred */
- {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
- /* ...otherwise try RTC */
- {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
-#endif
- {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
-#else
- {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
- win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
- {"win32", 0, win32_start_timer,
- win32_stop_timer, NULL, &alarm_win32_data},
-#endif
- {NULL, }
-};
-
-static void show_available_alarms(void)
-{
- int i;
-
- printf("Available alarm timers, in order of precedence:\n");
- for (i = 0; alarm_timers[i].name; i++)
- printf("%s\n", alarm_timers[i].name);
-}
-
-static void configure_alarms(char const *opt)
-{
- int i;
- int cur = 0;
- int count = ARRAY_SIZE(alarm_timers) - 1;
- char *arg;
- char *name;
- struct qemu_alarm_timer tmp;
-
- if (!strcmp(opt, "?")) {
- show_available_alarms();
- exit(0);
- }
-
- arg = qemu_strdup(opt);
-
- /* Reorder the array */
- name = strtok(arg, ",");
- while (name) {
- for (i = 0; i < count && alarm_timers[i].name; i++) {
- if (!strcmp(alarm_timers[i].name, name))
- break;
- }
-
- if (i == count) {
- fprintf(stderr, "Unknown clock %s\n", name);
- goto next;
- }
-
- if (i < cur)
- /* Ignore */
- goto next;
-
- /* Swap */
- tmp = alarm_timers[i];
- alarm_timers[i] = alarm_timers[cur];
- alarm_timers[cur] = tmp;
-
- cur++;
-next:
- name = strtok(NULL, ",");
- }
-
- qemu_free(arg);
-
- if (cur) {
- /* Disable remaining timers */
- for (i = cur; i < count; i++)
- alarm_timers[i].name = NULL;
- } else {
- show_available_alarms();
- exit(1);
- }
-}
-
-#define QEMU_NUM_CLOCKS 3
-
-QEMUClock *rt_clock;
-QEMUClock *vm_clock;
-QEMUClock *host_clock;
-
-static QEMUTimer *active_timers[QEMU_NUM_CLOCKS];
-
-static QEMUClock *qemu_new_clock(int type)
-{
- QEMUClock *clock;
- clock = qemu_mallocz(sizeof(QEMUClock));
- clock->type = type;
- return clock;
-}
-
-QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
-{
- QEMUTimer *ts;
-
- ts = qemu_mallocz(sizeof(QEMUTimer));
- ts->clock = clock;
- ts->cb = cb;
- ts->opaque = opaque;
- return ts;
-}
-
-void qemu_free_timer(QEMUTimer *ts)
-{
- qemu_free(ts);
-}
-
-/* stop a timer, but do not dealloc it */
-void qemu_del_timer(QEMUTimer *ts)
-{
- QEMUTimer **pt, *t;
-
- /* NOTE: this code must be signal safe because
- qemu_timer_expired() can be called from a signal. */
- pt = &active_timers[ts->clock->type];
- for(;;) {
- t = *pt;
- if (!t)
- break;
- if (t == ts) {
- *pt = t->next;
- break;
- }
- pt = &t->next;
- }
-}
-
-/* modify the current timer so that it will be fired when current_time
- >= expire_time. The corresponding callback will be called. */
-void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
-{
- QEMUTimer **pt, *t;
-
- qemu_del_timer(ts);
-
- /* add the timer in the sorted list */
- /* NOTE: this code must be signal safe because
- qemu_timer_expired() can be called from a signal. */
- pt = &active_timers[ts->clock->type];
- for(;;) {
- t = *pt;
- if (!t)
- break;
- if (t->expire_time > expire_time)
- break;
- pt = &t->next;
- }
- ts->expire_time = expire_time;
- ts->next = *pt;
- *pt = ts;
-
- /* Rearm if necessary */
- if (pt == &active_timers[ts->clock->type]) {
- if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
- qemu_rearm_alarm_timer(alarm_timer);
- }
- /* Interrupt execution to force deadline recalculation. */
- if (use_icount)
- qemu_notify_event();
- }
-}
-
-int qemu_timer_pending(QEMUTimer *ts)
-{
- QEMUTimer *t;
- for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
- if (t == ts)
- return 1;
- }
- return 0;
-}
-
-int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
-{
- if (!timer_head)
- return 0;
- return (timer_head->expire_time <= current_time);
-}
-
-static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
-{
- QEMUTimer *ts;
-
- for(;;) {
- ts = *ptimer_head;
- if (!ts || ts->expire_time > current_time)
- break;
- /* remove timer from the list before calling the callback */
- *ptimer_head = ts->next;
- ts->next = NULL;
-
- /* run the callback (the timer list can be modified) */
- ts->cb(ts->opaque);
- }
-}
-
-int64_t qemu_get_clock(QEMUClock *clock)
-{
- switch(clock->type) {
- case QEMU_CLOCK_REALTIME:
- return get_clock() / 1000000;
- default:
- case QEMU_CLOCK_VIRTUAL:
- if (use_icount) {
- return cpu_get_icount();
- } else {
- return cpu_get_clock();
- }
- case QEMU_CLOCK_HOST:
- return get_clock_realtime();
- }
-}
-
-int64_t qemu_get_clock_ns(QEMUClock *clock)
-{
- switch(clock->type) {
- case QEMU_CLOCK_REALTIME:
- return get_clock();
- default:
- case QEMU_CLOCK_VIRTUAL:
- if (use_icount) {
- return cpu_get_icount();
- } else {
- return cpu_get_clock();
- }
- case QEMU_CLOCK_HOST:
- return get_clock_realtime();
- }
-}
-
-static void init_clocks(void)
-{
- init_get_clock();
- rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
- vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL);
- host_clock = qemu_new_clock(QEMU_CLOCK_HOST);
-
- rtc_clock = host_clock;
-}
-
-/* save a timer */
-void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
-{
- uint64_t expire_time;
-
- if (qemu_timer_pending(ts)) {
- expire_time = ts->expire_time;
- } else {
- expire_time = -1;
- }
- qemu_put_be64(f, expire_time);
-}
-
-void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
-{
- uint64_t expire_time;
-
- expire_time = qemu_get_be64(f);
- if (expire_time != -1) {
- qemu_mod_timer(ts, expire_time);
- } else {
- qemu_del_timer(ts);
- }
-}
-
-static const VMStateDescription vmstate_timers = {
- .name = "timer",
- .version_id = 2,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField []) {
- VMSTATE_INT64(cpu_ticks_offset, TimersState),
- VMSTATE_INT64(dummy, TimersState),
- VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void qemu_event_increment(void);
-
-#ifdef _WIN32
-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
-{
-#if 0
-#define DISP_FREQ 1000
- {
- static int64_t delta_min = INT64_MAX;
- static int64_t delta_max, delta_cum, last_clock, delta, ti;
- static int count;
- ti = qemu_get_clock(vm_clock);
- if (last_clock != 0) {
- delta = ti - last_clock;
- if (delta < delta_min)
- delta_min = delta;
- if (delta > delta_max)
- delta_max = delta;
- delta_cum += delta;
- if (++count == DISP_FREQ) {
- printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
- muldiv64(delta_min, 1000000, get_ticks_per_sec()),
- muldiv64(delta_max, 1000000, get_ticks_per_sec()),
- muldiv64(delta_cum, 1000000 / DISP_FREQ, get_ticks_per_sec()),
- (double)get_ticks_per_sec() / ((double)delta_cum / DISP_FREQ));
- count = 0;
- delta_min = INT64_MAX;
- delta_max = 0;
- delta_cum = 0;
- }
- }
- last_clock = ti;
- }
-#endif
- if (alarm_has_dynticks(alarm_timer) ||
- (!use_icount &&
- qemu_timer_expired(active_timers[QEMU_CLOCK_VIRTUAL],
- qemu_get_clock(vm_clock))) ||
- qemu_timer_expired(active_timers[QEMU_CLOCK_REALTIME],
- qemu_get_clock(rt_clock)) ||
- qemu_timer_expired(active_timers[QEMU_CLOCK_HOST],
- qemu_get_clock(host_clock))) {
- qemu_event_increment();
- if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
-
-#ifndef CONFIG_IOTHREAD
- if (next_cpu) {
- /* stop the currently executing cpu because a timer occured */
- cpu_exit(next_cpu);
- }
-#endif
- timer_alarm_pending = 1;
- qemu_notify_event();
- }
-}
-
-static int64_t qemu_next_deadline(void)
-{
- /* To avoid problems with overflow limit this to 2^32. */
- int64_t delta = INT32_MAX;
-
- if (active_timers[QEMU_CLOCK_VIRTUAL]) {
- delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time -
- qemu_get_clock(vm_clock);
- }
- if (active_timers[QEMU_CLOCK_HOST]) {
- int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time -
- qemu_get_clock(host_clock);
- if (hdelta < delta)
- delta = hdelta;
- }
-
- if (delta < 0)
- delta = 0;
-
- return delta;
-}
-
-#if defined(__linux__)
-static uint64_t qemu_next_deadline_dyntick(void)
-{
- int64_t delta;
- int64_t rtdelta;
-
- if (use_icount)
- delta = INT32_MAX;
- else
- delta = (qemu_next_deadline() + 999) / 1000;
-
- if (active_timers[QEMU_CLOCK_REALTIME]) {
- rtdelta = (active_timers[QEMU_CLOCK_REALTIME]->expire_time -
- qemu_get_clock(rt_clock))*1000;
- if (rtdelta < delta)
- delta = rtdelta;
- }
-
- if (delta < MIN_TIMER_REARM_US)
- delta = MIN_TIMER_REARM_US;
-
- return delta;
-}
-#endif
-
-#ifndef _WIN32
-
-/* Sets a specific flag */
-static int fcntl_setfl(int fd, int flag)
-{
- int flags;
-
- flags = fcntl(fd, F_GETFL);
- if (flags == -1)
- return -errno;
-
- if (fcntl(fd, F_SETFL, flags | flag) == -1)
- return -errno;
-
- return 0;
-}
-
-#if defined(__linux__)
-
-#define RTC_FREQ 1024
-
-static void enable_sigio_timer(int fd)
-{
- struct sigaction act;
-
- /* timer signal */
- sigfillset(&act.sa_mask);
- act.sa_flags = 0;
- act.sa_handler = host_alarm_handler;
-
- sigaction(SIGIO, &act, NULL);
- fcntl_setfl(fd, O_ASYNC);
- fcntl(fd, F_SETOWN, getpid());
-}
-
-static int hpet_start_timer(struct qemu_alarm_timer *t)
-{
- struct hpet_info info;
- int r, fd;
-
- fd = qemu_open("/dev/hpet", O_RDONLY);
- if (fd < 0)
- return -1;
-
- /* Set frequency */
- r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
- if (r < 0) {
- fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
- "error, but for better emulation accuracy type:\n"
- "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
- goto fail;
- }
-
- /* Check capabilities */
- r = ioctl(fd, HPET_INFO, &info);
- if (r < 0)
- goto fail;
-
- /* Enable periodic mode */
- r = ioctl(fd, HPET_EPI, 0);
- if (info.hi_flags && (r < 0))
- goto fail;
-
- /* Enable interrupt */
- r = ioctl(fd, HPET_IE_ON, 0);
- if (r < 0)
- goto fail;
-
- enable_sigio_timer(fd);
- t->priv = (void *)(long)fd;
-
- return 0;
-fail:
- close(fd);
- return -1;
-}
-
-static void hpet_stop_timer(struct qemu_alarm_timer *t)
-{
- int fd = (long)t->priv;
-
- close(fd);
-}
-
-static int rtc_start_timer(struct qemu_alarm_timer *t)
-{
- int rtc_fd;
- unsigned long current_rtc_freq = 0;
-
- TFR(rtc_fd = qemu_open("/dev/rtc", O_RDONLY));
- if (rtc_fd < 0)
- return -1;
- ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq);
- if (current_rtc_freq != RTC_FREQ &&
- ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
- fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
- "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
- "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
- goto fail;
- }
- if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
- fail:
- close(rtc_fd);
- return -1;
- }
-
- enable_sigio_timer(rtc_fd);
-
- t->priv = (void *)(long)rtc_fd;
-
- return 0;
-}
-
-static void rtc_stop_timer(struct qemu_alarm_timer *t)
-{
- int rtc_fd = (long)t->priv;
-
- close(rtc_fd);
-}
-
-static int dynticks_start_timer(struct qemu_alarm_timer *t)
-{
- struct sigevent ev;
- timer_t host_timer;
- struct sigaction act;
-
- sigfillset(&act.sa_mask);
- act.sa_flags = 0;
- act.sa_handler = host_alarm_handler;
-
- sigaction(SIGALRM, &act, NULL);
-
- /*
- * 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;
-
- if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
- perror("timer_create");
-
- /* disable dynticks */
- fprintf(stderr, "Dynamic Ticks disabled\n");
-
- return -1;
- }
-
- t->priv = (void *)(long)host_timer;
-
- return 0;
-}
-
-static void dynticks_stop_timer(struct qemu_alarm_timer *t)
-{
- 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)(long)t->priv;
- struct itimerspec timeout;
- int64_t nearest_delta_us = INT64_MAX;
- int64_t current_us;
-
- if (!active_timers[QEMU_CLOCK_REALTIME] &&
- !active_timers[QEMU_CLOCK_VIRTUAL] &&
- !active_timers[QEMU_CLOCK_HOST])
- return;
-
- nearest_delta_us = qemu_next_deadline_dyntick();
-
- /* check whether a timer is already running */
- if (timer_gettime(host_timer, &timeout)) {
- perror("gettime");
- fprintf(stderr, "Internal timer error: aborting\n");
- exit(1);
- }
- current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
- if (current_us && current_us <= nearest_delta_us)
- return;
-
- timeout.it_interval.tv_sec = 0;
- timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
- timeout.it_value.tv_sec = nearest_delta_us / 1000000;
- timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
- if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
- perror("settime");
- fprintf(stderr, "Internal timer error: aborting\n");
- exit(1);
- }
-}
-
-#endif /* defined(__linux__) */
-
-static int unix_start_timer(struct qemu_alarm_timer *t)
-{
- struct sigaction act;
- struct itimerval itv;
- int err;
-
- /* timer signal */
- sigfillset(&act.sa_mask);
- act.sa_flags = 0;
- act.sa_handler = host_alarm_handler;
-
- sigaction(SIGALRM, &act, NULL);
-
- itv.it_interval.tv_sec = 0;
- /* for i386 kernel 2.6 to get 1 ms */
- itv.it_interval.tv_usec = 999;
- itv.it_value.tv_sec = 0;
- itv.it_value.tv_usec = 10 * 1000;
-
- err = setitimer(ITIMER_REAL, &itv, NULL);
- if (err)
- return -1;
-
- return 0;
-}
-
-static void unix_stop_timer(struct qemu_alarm_timer *t)
-{
- struct itimerval itv;
-
- memset(&itv, 0, sizeof(itv));
- setitimer(ITIMER_REAL, &itv, NULL);
-}
-
-#endif /* !defined(_WIN32) */
-
-
-#ifdef _WIN32
-
-static int win32_start_timer(struct qemu_alarm_timer *t)
-{
- TIMECAPS tc;
- struct qemu_alarm_win32 *data = t->priv;
- UINT flags;
-
- memset(&tc, 0, sizeof(tc));
- timeGetDevCaps(&tc, sizeof(tc));
-
- if (data->period < tc.wPeriodMin)
- data->period = tc.wPeriodMin;
-
- timeBeginPeriod(data->period);
-
- flags = TIME_CALLBACK_FUNCTION;
- if (alarm_has_dynticks(t))
- flags |= TIME_ONESHOT;
- else
- flags |= TIME_PERIODIC;
-
- data->timerId = timeSetEvent(1, // interval (ms)
- data->period, // resolution
- host_alarm_handler, // function
- (DWORD)t, // parameter
- flags);
-
- if (!data->timerId) {
- fprintf(stderr, "Failed to initialize win32 alarm timer: %ld\n",
- GetLastError());
- timeEndPeriod(data->period);
- return -1;
- }
-
- return 0;
-}
-
-static void win32_stop_timer(struct qemu_alarm_timer *t)
-{
- struct qemu_alarm_win32 *data = t->priv;
-
- timeKillEvent(data->timerId);
- timeEndPeriod(data->period);
-}
-
-static void win32_rearm_timer(struct qemu_alarm_timer *t)
-{
- struct qemu_alarm_win32 *data = t->priv;
-
- if (!active_timers[QEMU_CLOCK_REALTIME] &&
- !active_timers[QEMU_CLOCK_VIRTUAL] &&
- !active_timers[QEMU_CLOCK_HOST])
- return;
-
- timeKillEvent(data->timerId);
-
- data->timerId = timeSetEvent(1,
- data->period,
- host_alarm_handler,
- (DWORD)t,
- TIME_ONESHOT | TIME_PERIODIC);
-
- if (!data->timerId) {
- fprintf(stderr, "Failed to re-arm win32 alarm timer %ld\n",
- GetLastError());
-
- timeEndPeriod(data->period);
- exit(1);
- }
-}
-
-#endif /* _WIN32 */
-
-static int init_timer_alarm(void)
-{
- struct qemu_alarm_timer *t = NULL;
- int i, err = -1;
-
- for (i = 0; alarm_timers[i].name; i++) {
- t = &alarm_timers[i];
-
- err = t->start(t);
- if (!err)
- break;
- }
-
- if (err) {
- err = -ENOENT;
- goto fail;
- }
-
- alarm_timer = t;
-
- return 0;
-
-fail:
- return err;
-}
-
-static void quit_timers(void)
-{
- alarm_timer->stop(alarm_timer);
- alarm_timer = NULL;
-}
-
-/***********************************************************/
-/* host time/date access */
-void qemu_get_timedate(struct tm *tm, int offset)
-{
- time_t ti;
- struct tm *ret;
-
- time(&ti);
- ti += offset;
- if (rtc_date_offset == -1) {
- if (rtc_utc)
- ret = gmtime(&ti);
- else
- ret = localtime(&ti);
- } else {
- ti -= rtc_date_offset;
- ret = gmtime(&ti);
- }
-
- memcpy(tm, ret, sizeof(struct tm));
-}
-
-int qemu_timedate_diff(struct tm *tm)
-{
- time_t seconds;
-
- if (rtc_date_offset == -1)
- if (rtc_utc)
- seconds = mktimegm(tm);
- else
- seconds = mktime(tm);
- else
- seconds = mktimegm(tm) + rtc_date_offset;
-
- return seconds - time(NULL);
-}
-
-static void configure_rtc_date_offset(const char *startdate, int legacy)
-{
- time_t rtc_start_date;
- struct tm tm;
-
- if (!strcmp(startdate, "now") && legacy) {
- rtc_date_offset = -1;
- } else {
- if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
- &tm.tm_year,
- &tm.tm_mon,
- &tm.tm_mday,
- &tm.tm_hour,
- &tm.tm_min,
- &tm.tm_sec) == 6) {
- /* OK */
- } else if (sscanf(startdate, "%d-%d-%d",
- &tm.tm_year,
- &tm.tm_mon,
- &tm.tm_mday) == 3) {
- tm.tm_hour = 0;
- tm.tm_min = 0;
- tm.tm_sec = 0;
- } else {
- goto date_fail;
- }
- tm.tm_year -= 1900;
- tm.tm_mon--;
- rtc_start_date = mktimegm(&tm);
- if (rtc_start_date == -1) {
- date_fail:
- fprintf(stderr, "Invalid date format. Valid formats are:\n"
- "'2006-06-17T16:01:21' or '2006-06-17'\n");
- exit(1);
- }
- rtc_date_offset = time(NULL) - rtc_start_date;
- }
-}
-
-static void configure_rtc(QemuOpts *opts)
-{
- const char *value;
-
- value = qemu_opt_get(opts, "base");
- if (value) {
- if (!strcmp(value, "utc")) {
- rtc_utc = 1;
- } else if (!strcmp(value, "localtime")) {
- rtc_utc = 0;
- } else {
- configure_rtc_date_offset(value, 0);
- }
- }
- value = qemu_opt_get(opts, "clock");
- if (value) {
- if (!strcmp(value, "host")) {
- rtc_clock = host_clock;
- } else if (!strcmp(value, "vm")) {
- rtc_clock = vm_clock;
- } else {
- fprintf(stderr, "qemu: invalid option value '%s'\n", value);
- exit(1);
- }
- }
-#ifdef CONFIG_TARGET_I386
- value = qemu_opt_get(opts, "driftfix");
- if (value) {
- if (!strcmp(buf, "slew")) {
- rtc_td_hack = 1;
- } else if (!strcmp(buf, "none")) {
- rtc_td_hack = 0;
- } else {
- fprintf(stderr, "qemu: invalid option value '%s'\n", value);
- exit(1);
- }
- }
-#endif
-}
-
-#ifdef _WIN32
-static void socket_cleanup(void)
-{
- WSACleanup();
-}
-
-static int socket_init(void)
-{
- WSADATA Data;
- int ret, err;
-
- ret = WSAStartup(MAKEWORD(2,2), &Data);
- if (ret != 0) {
- err = WSAGetLastError();
- fprintf(stderr, "WSAStartup: %d\n", err);
- return -1;
- }
- atexit(socket_cleanup);
- return 0;
-}
-#endif
-
-/***********************************************************/
-/* Bluetooth support */
-static int nb_hcis;
-static int cur_hci;
-static struct HCIInfo *hci_table[MAX_NICS];
-
-static struct bt_vlan_s {
- struct bt_scatternet_s net;
- int id;
- struct bt_vlan_s *next;
-} *first_bt_vlan;
-
-/* find or alloc a new bluetooth "VLAN" */
-static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
-{
- struct bt_vlan_s **pvlan, *vlan;
- for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
- if (vlan->id == id)
- return &vlan->net;
- }
- vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
- vlan->id = id;
- pvlan = &first_bt_vlan;
- while (*pvlan != NULL)
- pvlan = &(*pvlan)->next;
- *pvlan = vlan;
- return &vlan->net;
-}
-
-static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
-{
-}
-
-static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
-{
- return -ENOTSUP;
-}
-
-static struct HCIInfo null_hci = {
- .cmd_send = null_hci_send,
- .sco_send = null_hci_send,
- .acl_send = null_hci_send,
- .bdaddr_set = null_hci_addr_set,
-};
-
-struct HCIInfo *qemu_next_hci(void)
-{
- if (cur_hci == nb_hcis)
- return &null_hci;
-
- return hci_table[cur_hci++];
-}
-
-static struct HCIInfo *hci_init(const char *str)
-{
- char *endp;
- struct bt_scatternet_s *vlan = 0;
-
- if (!strcmp(str, "null"))
- /* null */
- return &null_hci;
- else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
- /* host[:hciN] */
- return bt_host_hci(str[4] ? str + 5 : "hci0");
- else if (!strncmp(str, "hci", 3)) {
- /* hci[,vlan=n] */
- if (str[3]) {
- if (!strncmp(str + 3, ",vlan=", 6)) {
- vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
- if (*endp)
- vlan = 0;
- }
- } else
- vlan = qemu_find_bt_vlan(0);
- if (vlan)
- return bt_new_hci(vlan);
- }
-
- fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
-
- return 0;
-}
-
-static int bt_hci_parse(const char *str)
-{
- struct HCIInfo *hci;
- bdaddr_t bdaddr;
-
- if (nb_hcis >= MAX_NICS) {
- fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
- return -1;
- }
-
- hci = hci_init(str);
- if (!hci)
- return -1;
-
- bdaddr.b[0] = 0x52;
- bdaddr.b[1] = 0x54;
- bdaddr.b[2] = 0x00;
- bdaddr.b[3] = 0x12;
- bdaddr.b[4] = 0x34;
- bdaddr.b[5] = 0x56 + nb_hcis;
- hci->bdaddr_set(hci, bdaddr.b);
-
- hci_table[nb_hcis++] = hci;
-
- return 0;
-}
+ return 0;
+}
static void bt_vhci_add(int vlan_id)
{
vsnprintf(optstr, sizeof(optstr), fmt, ap);
va_end(ap);
- opts = qemu_opts_parse(&qemu_drive_opts, optstr, NULL);
+ opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
if (!opts) {
- fprintf(stderr, "%s: huh? duplicate? (%s)\n",
- __FUNCTION__, optstr);
return NULL;
}
if (file)
QEMUMachine *machine = opaque;
int max_devs;
int index;
- int cache;
- int aio = 0;
int ro = 0;
- int bdrv_flags;
+ int bdrv_flags = 0;
int on_read_error, on_write_error;
const char *devaddr;
DriveInfo *dinfo;
*fatal_error = 1;
translation = BIOS_ATA_TRANSLATION_AUTO;
- cache = 1;
if (machine && machine->use_scsi) {
type = IF_SCSI;
}
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
- if (!strcmp(buf, "off") || !strcmp(buf, "none"))
- cache = 0;
- else if (!strcmp(buf, "writethrough"))
- cache = 1;
- else if (!strcmp(buf, "writeback"))
- cache = 2;
- else {
+ if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
+ bdrv_flags |= BDRV_O_NOCACHE;
+ } else if (!strcmp(buf, "writeback")) {
+ bdrv_flags |= BDRV_O_CACHE_WB;
+ } else if (!strcmp(buf, "writethrough")) {
+ /* this is the default */
+ } else {
fprintf(stderr, "qemu: invalid cache option\n");
return NULL;
}
#ifdef CONFIG_LINUX_AIO
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
- if (!strcmp(buf, "threads"))
- aio = 0;
- else if (!strcmp(buf, "native"))
- aio = 1;
- else {
+ if (!strcmp(buf, "native")) {
+ bdrv_flags |= BDRV_O_NATIVE_AIO;
+ } else if (!strcmp(buf, "threads")) {
+ /* this is the default */
+ } else {
fprintf(stderr, "qemu: invalid aio option\n");
return NULL;
}
*fatal_error = 0;
return NULL;
}
- bdrv_flags = 0;
if (snapshot) {
- bdrv_flags |= BDRV_O_SNAPSHOT;
- cache = 2; /* always use write-back with snapshot */
- }
- if (cache == 0) /* no caching */
- bdrv_flags |= BDRV_O_NOCACHE;
- else if (cache == 2) /* write-back */
- bdrv_flags |= BDRV_O_CACHE_WB;
-
- if (aio == 1) {
- bdrv_flags |= BDRV_O_NATIVE_AIO;
- } else {
- bdrv_flags &= ~BDRV_O_NATIVE_AIO;
+ /* always use write-back with snapshot */
+ bdrv_flags &= ~BDRV_O_CACHE_MASK;
+ bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB);
}
- if (ro == 1) {
+ if (media == MEDIA_CDROM) {
+ /* CDROM is fine for any interface, don't check. */
+ ro = 1;
+ } else if (ro == 1) {
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
return NULL;
}
}
- /*
- * cdrom is read-only. Set it now, after above interface checking
- * since readonly attribute not explicitly required, so no error.
- */
- if (media == MEDIA_CDROM) {
- ro = 1;
- }
+
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
- if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
+ if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
file, strerror(errno));
return NULL;
return boot_set_handler(boot_set_opaque, boot_devices);
}
-static int parse_bootdevices(char *devices)
+static void validate_bootdevices(char *devices)
{
/* We just do some generic consistency checks */
const char *p;
}
bitmap |= 1 << (*p - 'a');
}
- return bitmap;
}
static void restore_boot_devices(void *opaque)
{
char *standard_boot_devices = opaque;
+ static int first = 1;
+
+ /* Restore boot order and remove ourselves after the first boot */
+ if (first) {
+ first = 0;
+ return;
+ }
qemu_boot_set(standard_boot_devices);
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_add(devname, 1) < 0) {
- qemu_error("could not add USB device '%s'\n", devname);
+ error_report("could not add USB device '%s'", devname);
}
}
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_del(devname) < 0) {
- qemu_error("could not delete USB device '%s'\n", devname);
+ error_report("could not delete USB device '%s'", devname);
}
}
"Empty");
}
-/***********************************************************/
-/* register display */
-
-struct DisplayAllocator default_allocator = {
- defaultallocator_create_displaysurface,
- defaultallocator_resize_displaysurface,
- defaultallocator_free_displaysurface
-};
-
-void register_displaystate(DisplayState *ds)
-{
- DisplayState **s;
- s = &display_state;
- while (*s != NULL)
- s = &(*s)->next;
- ds->next = NULL;
- *s = ds;
-}
-
-DisplayState *get_displaystate(void)
-{
- return display_state;
-}
-
-DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
-{
- if(ds->allocator == &default_allocator) ds->allocator = da;
- return ds->allocator;
-}
-
-/* dumb display */
-
-static void dumb_display_init(void)
-{
- DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
- ds->allocator = &default_allocator;
- ds->surface = qemu_create_displaysurface(ds, 640, 480);
- register_displaystate(ds);
-}
-
/***********************************************************/
/* I/O handling */
typedef struct IOHandlerRecord {
int fd;
- IOCanRWHandler *fd_read_poll;
+ IOCanReadHandler *fd_read_poll;
IOHandler *fd_read;
IOHandler *fd_write;
int deleted;
void *opaque;
/* temporary data */
struct pollfd *ufd;
- struct IOHandlerRecord *next;
+ QLIST_ENTRY(IOHandlerRecord) next;
} IOHandlerRecord;
-static IOHandlerRecord *first_io_handler;
+static QLIST_HEAD(, IOHandlerRecord) io_handlers =
+ QLIST_HEAD_INITIALIZER(io_handlers);
+
/* XXX: fd_read_poll should be suppressed, but an API change is
necessary in the character devices to suppress fd_can_read(). */
int qemu_set_fd_handler2(int fd,
- IOCanRWHandler *fd_read_poll,
+ IOCanReadHandler *fd_read_poll,
IOHandler *fd_read,
IOHandler *fd_write,
void *opaque)
{
- IOHandlerRecord **pioh, *ioh;
+ IOHandlerRecord *ioh;
if (!fd_read && !fd_write) {
- pioh = &first_io_handler;
- for(;;) {
- ioh = *pioh;
- if (ioh == NULL)
- break;
+ QLIST_FOREACH(ioh, &io_handlers, next) {
if (ioh->fd == fd) {
ioh->deleted = 1;
break;
}
- pioh = &ioh->next;
}
} else {
- for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ QLIST_FOREACH(ioh, &io_handlers, next) {
if (ioh->fd == fd)
goto found;
}
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
- ioh->next = first_io_handler;
- first_io_handler = ioh;
+ QLIST_INSERT_HEAD(&io_handlers, ioh, next);
found:
ioh->fd = fd;
ioh->fd_read_poll = fd_read_poll;
}
}
-/***********************************************************/
-/* Wait objects support */
-typedef struct WaitObjects {
- int num;
- HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
- WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
- void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
-} WaitObjects;
-
-static WaitObjects wait_objects = {0};
-
-int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
-{
- WaitObjects *w = &wait_objects;
-
- if (w->num >= MAXIMUM_WAIT_OBJECTS)
- return -1;
- w->events[w->num] = handle;
- w->func[w->num] = func;
- w->opaque[w->num] = opaque;
- w->num++;
- return 0;
-}
-
-void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
-{
- int i, found;
- WaitObjects *w = &wait_objects;
-
- found = 0;
- for (i = 0; i < w->num; i++) {
- if (w->events[i] == handle)
- found = 1;
- if (found) {
- w->events[i] = w->events[i + 1];
- w->func[i] = w->func[i + 1];
- w->opaque[i] = w->opaque[i + 1];
- }
- }
- if (found)
- w->num--;
-}
-#endif
-
-/***********************************************************/
-/* ram save/restore */
-
-#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
-#define RAM_SAVE_FLAG_COMPRESS 0x02
-#define RAM_SAVE_FLAG_MEM_SIZE 0x04
-#define RAM_SAVE_FLAG_PAGE 0x08
-#define RAM_SAVE_FLAG_EOS 0x10
-
-static int is_dup_page(uint8_t *page, uint8_t ch)
-{
- uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
- uint32_t *array = (uint32_t *)page;
- int i;
-
- for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
- if (array[i] != val)
- return 0;
- }
-
- return 1;
-}
-
-static int ram_save_block(QEMUFile *f)
-{
- static ram_addr_t current_addr = 0;
- ram_addr_t saved_addr = current_addr;
- ram_addr_t addr = 0;
- int found = 0;
-
- while (addr < last_ram_offset) {
- if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
- uint8_t *p;
-
- cpu_physical_memory_reset_dirty(current_addr,
- current_addr + TARGET_PAGE_SIZE,
- MIGRATION_DIRTY_FLAG);
-
- p = qemu_get_ram_ptr(current_addr);
-
- if (is_dup_page(p, *p)) {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
- qemu_put_byte(f, *p);
- } else {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
- qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
- }
-
- found = 1;
- break;
- }
- addr += TARGET_PAGE_SIZE;
- current_addr = (saved_addr + addr) % last_ram_offset;
- }
-
- return found;
-}
-
-static uint64_t bytes_transferred;
-
-static ram_addr_t ram_save_remaining(void)
-{
- ram_addr_t addr;
- ram_addr_t count = 0;
-
- for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
- if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
- count++;
- }
-
- return count;
-}
-
-uint64_t ram_bytes_remaining(void)
-{
- return ram_save_remaining() * TARGET_PAGE_SIZE;
-}
-
-uint64_t ram_bytes_transferred(void)
-{
- return bytes_transferred;
-}
-
-uint64_t ram_bytes_total(void)
-{
- return last_ram_offset;
-}
-
-static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
-{
- ram_addr_t addr;
- uint64_t bytes_transferred_last;
- double bwidth = 0;
- uint64_t expected_time = 0;
-
- if (stage < 0) {
- cpu_physical_memory_set_dirty_tracking(0);
- return 0;
- }
-
- if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
- qemu_file_set_error(f);
- return 0;
- }
-
- if (stage == 1) {
- bytes_transferred = 0;
-
- /* Make sure all dirty bits are set */
- for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
- if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
- cpu_physical_memory_set_dirty(addr);
- }
-
- /* Enable dirty memory tracking */
- cpu_physical_memory_set_dirty_tracking(1);
-
- qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
- }
-
- bytes_transferred_last = bytes_transferred;
- bwidth = qemu_get_clock_ns(rt_clock);
-
- while (!qemu_file_rate_limit(f)) {
- int ret;
-
- ret = ram_save_block(f);
- bytes_transferred += ret * TARGET_PAGE_SIZE;
- if (ret == 0) /* no more blocks */
- break;
- }
-
- bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
- bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
-
- /* if we haven't transferred anything this round, force expected_time to a
- * a very high value, but without crashing */
- if (bwidth == 0)
- bwidth = 0.000001;
-
- /* try transferring iterative blocks of memory */
- if (stage == 3) {
- /* flush all remaining blocks regardless of rate limiting */
- while (ram_save_block(f) != 0) {
- bytes_transferred += TARGET_PAGE_SIZE;
- }
- cpu_physical_memory_set_dirty_tracking(0);
- }
-
- qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
-
- expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
-
- return (stage == 2) && (expected_time <= migrate_max_downtime());
-}
-
-static int ram_load(QEMUFile *f, void *opaque, int version_id)
-{
- ram_addr_t addr;
- int flags;
-
- if (version_id != 3)
- return -EINVAL;
-
- do {
- addr = qemu_get_be64(f);
-
- flags = addr & ~TARGET_PAGE_MASK;
- addr &= TARGET_PAGE_MASK;
+/***********************************************************/
+/* Wait objects support */
+typedef struct WaitObjects {
+ int num;
+ HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
+ WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
+ void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
+} WaitObjects;
- if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
- if (addr != last_ram_offset)
- return -EINVAL;
- }
+static WaitObjects wait_objects = {0};
- if (flags & RAM_SAVE_FLAG_COMPRESS) {
- uint8_t ch = qemu_get_byte(f);
- memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
-#ifndef _WIN32
- if (ch == 0 &&
- (!kvm_enabled() || kvm_has_sync_mmu())) {
- madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
- }
-#endif
- } else if (flags & RAM_SAVE_FLAG_PAGE) {
- qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
- }
- if (qemu_file_has_error(f)) {
- return -EIO;
- }
- } while (!(flags & RAM_SAVE_FLAG_EOS));
+int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
+{
+ WaitObjects *w = &wait_objects;
+ if (w->num >= MAXIMUM_WAIT_OBJECTS)
+ return -1;
+ w->events[w->num] = handle;
+ w->func[w->num] = func;
+ w->opaque[w->num] = opaque;
+ w->num++;
return 0;
}
-void qemu_service_io(void)
+void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
{
- qemu_notify_event();
+ int i, found;
+ WaitObjects *w = &wait_objects;
+
+ found = 0;
+ for (i = 0; i < w->num; i++) {
+ if (w->events[i] == handle)
+ found = 1;
+ if (found) {
+ w->events[i] = w->events[i + 1];
+ w->func[i] = w->func[i + 1];
+ w->opaque[i] = w->opaque[i + 1];
+ }
+ }
+ if (found)
+ w->num--;
}
+#endif
/***********************************************************/
/* machine registration */
qemu_free (e);
}
-static void vm_state_notify(int running, int reason)
+void vm_state_notify(int running, int reason)
{
VMChangeStateEntry *e;
}
}
-static void resume_all_vcpus(void);
-static void pause_all_vcpus(void);
-
void vm_start(void)
{
if (!vm_running) {
cpu_enable_ticks();
vm_running = 1;
vm_state_notify(1, 0);
- qemu_rearm_alarm_timer(alarm_timer);
resume_all_vcpus();
+ monitor_protocol_event(QEVENT_RESUME, NULL);
}
}
static int reset_requested;
static int shutdown_requested;
static int powerdown_requested;
-static int debug_requested;
-static int vmstop_requested;
+int debug_requested;
+int vmstop_requested;
+static int exit_requested;
int qemu_shutdown_requested(void)
{
return r;
}
+int qemu_exit_requested(void)
+{
+ /* just return it, we'll exit() anyway */
+ return exit_requested;
+}
+
static int qemu_debug_requested(void)
{
int r = debug_requested;
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, void *opaque)
{
QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
re->func(re->opaque);
}
+ monitor_protocol_event(QEVENT_RESET, NULL);
+ cpu_synchronize_all_post_reset();
}
void qemu_system_reset_request(void)
qemu_notify_event();
}
-#ifdef CONFIG_IOTHREAD
-static void qemu_system_vmstop_request(int reason)
+void qemu_system_exit_request(void)
{
- vmstop_requested = reason;
+ exit_requested = 1;
qemu_notify_event();
}
-#endif
-
-#ifndef _WIN32
-static int io_thread_fd = -1;
-
-static void qemu_event_increment(void)
-{
- static const char byte = 0;
- ssize_t ret;
-
- if (io_thread_fd == -1)
- return;
-
- do {
- ret = write(io_thread_fd, &byte, sizeof(byte));
- } while (ret < 0 && errno == EINTR);
-
- /* EAGAIN is fine, a read must be pending. */
- if (ret < 0 && errno != EAGAIN) {
- fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
- strerror(errno));
- exit (1);
- }
-}
-
-static void qemu_event_read(void *opaque)
-{
- int fd = (unsigned long)opaque;
- ssize_t len;
- char buffer[512];
-
- /* Drain the notify pipe */
- do {
- len = read(fd, buffer, sizeof(buffer));
- } while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
-}
-
-static int qemu_event_init(void)
-{
- int err;
- int fds[2];
-
- err = qemu_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) {
- fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError());
- return -1;
- }
- qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
- return 0;
-}
-
-static void qemu_event_increment(void)
-{
- if (!SetEvent(qemu_event_handle)) {
- fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n",
- GetLastError());
- exit (1);
- }
-}
-#endif
-
-static int cpu_can_run(CPUState *env)
-{
- if (env->stop)
- return 0;
- if (env->stopped)
- return 0;
- if (!vm_running)
- return 0;
- return 1;
-}
-
-#ifndef CONFIG_IOTHREAD
-static int qemu_init_main_loop(void)
-{
- return qemu_event_init();
-}
-
-void qemu_init_vcpu(void *_env)
-{
- CPUState *env = _env;
-
- env->nr_cores = smp_cores;
- env->nr_threads = smp_threads;
- 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);
- }
-}
-
-void qemu_mutex_lock_iothread(void) {}
-void qemu_mutex_unlock_iothread(void) {}
-
-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);
- if (kvm_enabled())
- kvm_init_vcpu(env);
-
- /* 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)
-{
- CPUState *env = _env;
- QemuThread this;
-
- qemu_thread_self(&this);
-
- return qemu_thread_equal(&this, env->thread);
-}
-
-static void cpu_signal(int sig)
-{
- if (cpu_single_env)
- cpu_exit(cpu_single_env);
-}
-
-static void block_io_signals(void)
-{
- sigset_t set;
- struct sigaction sigact;
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR2);
- sigaddset(&set, SIGIO);
- sigaddset(&set, SIGALRM);
- pthread_sigmask(SIG_BLOCK, &set, NULL);
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR1);
- pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-
- memset(&sigact, 0, sizeof(sigact));
- sigact.sa_handler = cpu_signal;
- sigaction(SIGUSR1, &sigact, NULL);
-}
-
-static void unblock_io_signals(void)
-{
- sigset_t set;
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR2);
- sigaddset(&set, SIGIO);
- sigaddset(&set, SIGALRM);
- pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR1);
- pthread_sigmask(SIG_BLOCK, &set, NULL);
-}
-
-static void qemu_signal_lock(unsigned int msecs)
-{
- qemu_mutex_lock(&qemu_fair_mutex);
-
- while (qemu_mutex_trylock(&qemu_global_mutex)) {
- qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
- if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
- break;
- }
- qemu_mutex_unlock(&qemu_fair_mutex);
-}
-
-void qemu_mutex_lock_iothread(void)
-{
- if (kvm_enabled()) {
- qemu_mutex_lock(&qemu_fair_mutex);
- qemu_mutex_lock(&qemu_global_mutex);
- qemu_mutex_unlock(&qemu_fair_mutex);
- } else
- qemu_signal_lock(100);
-}
-
-void qemu_mutex_unlock_iothread(void)
-{
- qemu_mutex_unlock(&qemu_global_mutex);
-}
-
-static int all_vcpus_paused(void)
-{
- CPUState *penv = first_cpu;
-
- while (penv) {
- if (!penv->stopped)
- return 0;
- penv = (CPUState *)penv->next_cpu;
- }
-
- return 1;
-}
-
-static void pause_all_vcpus(void)
-{
- CPUState *penv = first_cpu;
-
- while (penv) {
- penv->stop = 1;
- qemu_thread_signal(penv->thread, SIGUSR1);
- qemu_cpu_kick(penv);
- penv = (CPUState *)penv->next_cpu;
- }
-
- while (!all_vcpus_paused()) {
- qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
- penv = first_cpu;
- while (penv) {
- qemu_thread_signal(penv->thread, SIGUSR1);
- penv = (CPUState *)penv->next_cpu;
- }
- }
-}
-
-static void resume_all_vcpus(void)
-{
- CPUState *penv = first_cpu;
-
- while (penv) {
- penv->stop = 0;
- penv->stopped = 0;
- qemu_thread_signal(penv->thread, SIGUSR1);
- qemu_cpu_kick(penv);
- penv = (CPUState *)penv->next_cpu;
- }
-}
-
-static void tcg_init_vcpu(void *_env)
-{
- CPUState *env = _env;
- /* share a single thread for all cpus with TCG */
- if (!tcg_cpu_thread) {
- env->thread = qemu_mallocz(sizeof(QemuThread));
- env->halt_cond = qemu_mallocz(sizeof(QemuCond));
- qemu_cond_init(env->halt_cond);
- qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
- while (env->created == 0)
- qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
- tcg_cpu_thread = env->thread;
- tcg_halt_cond = env->halt_cond;
- } else {
- env->thread = tcg_cpu_thread;
- env->halt_cond = tcg_halt_cond;
- }
-}
-
-static void kvm_start_vcpu(CPUState *env)
-{
- 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;
-
- env->nr_cores = smp_cores;
- env->nr_threads = smp_threads;
- 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)
}
#endif
-void main_loop_wait(int timeout)
+void main_loop_wait(int nonblocking)
{
IOHandlerRecord *ioh;
fd_set rfds, wfds, xfds;
int ret, nfds;
struct timeval tv;
+ int timeout;
- qemu_bh_update_timeout(&timeout);
+ if (nonblocking)
+ timeout = 0;
+ else {
+ timeout = qemu_calculate_timeout();
+ qemu_bh_update_timeout(&timeout);
+ }
host_main_loop_wait(&timeout);
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&xfds);
- for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ QLIST_FOREACH(ioh, &io_handlers, next) {
if (ioh->deleted)
continue;
if (ioh->fd_read &&
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
qemu_mutex_lock_iothread();
if (ret > 0) {
- IOHandlerRecord **pioh;
+ IOHandlerRecord *pioh;
- for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
- if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
+ QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
+ if (ioh->deleted) {
+ QLIST_REMOVE(ioh, next);
+ qemu_free(ioh);
+ continue;
+ }
+ if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
ioh->fd_read(ioh->opaque);
}
- if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
+ if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
ioh->fd_write(ioh->opaque);
}
}
-
- /* remove deleted IO handlers */
- pioh = &first_io_handler;
- while (*pioh) {
- ioh = *pioh;
- if (ioh->deleted) {
- *pioh = ioh->next;
- qemu_free(ioh);
- } else
- pioh = &ioh->next;
- }
}
slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
- /* 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_CLOCK_VIRTUAL],
- qemu_get_clock(vm_clock));
- }
-
- /* real time timers */
- qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME],
- qemu_get_clock(rt_clock));
-
- qemu_run_timers(&active_timers[QEMU_CLOCK_HOST],
- qemu_get_clock(host_clock));
+ qemu_run_all_timers();
/* Check bottom-halves last in case any of the earlier events triggered
them. */
}
-static int qemu_cpu_exec(CPUState *env)
-{
- int ret;
-#ifdef CONFIG_PROFILER
- int64_t ti;
-#endif
-
-#ifdef CONFIG_PROFILER
- ti = profile_getclock();
-#endif
- if (use_icount) {
- int64_t count;
- int decr;
- qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
- env->icount_decr.u16.low = 0;
- env->icount_extra = 0;
- count = qemu_next_deadline();
- count = (count + (1 << icount_time_shift) - 1)
- >> icount_time_shift;
- qemu_icount += count;
- decr = (count > 0xffff) ? 0xffff : count;
- count -= decr;
- env->icount_decr.u16.low = decr;
- env->icount_extra = count;
- }
- ret = cpu_exec(env);
-#ifdef CONFIG_PROFILER
- qemu_time += profile_getclock() - ti;
-#endif
- if (use_icount) {
- /* Fold pending instructions back into the
- instruction counter, and clear the interrupt flag. */
- qemu_icount -= (env->icount_decr.u16.low
- + env->icount_extra);
- env->icount_decr.u32 = 0;
- env->icount_extra = 0;
- }
- return ret;
-}
-
-static void tcg_cpu_exec(void)
-{
- int ret = 0;
-
- if (next_cpu == NULL)
- next_cpu = first_cpu;
- for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
- CPUState *env = cur_cpu = next_cpu;
-
- if (timer_alarm_pending) {
- timer_alarm_pending = 0;
- break;
- }
- if (cpu_can_run(env))
- ret = qemu_cpu_exec(env);
- else if (env->stop)
- break;
-
- if (ret == EXCP_DEBUG) {
- gdb_set_stop_cpu(env);
- debug_requested = 1;
- break;
- }
- }
-}
-
-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)
-{
-#ifndef CONFIG_IOTHREAD
- 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 {
- 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;
- }
- }
-
- return timeout;
-#else /* CONFIG_IOTHREAD */
- return 1000;
-#endif
-}
-
static int vm_can_run(void)
{
if (powerdown_requested)
return 0;
if (debug_requested)
return 0;
+ if (exit_requested)
+ return 0;
return 1;
}
{
int r;
-#ifdef CONFIG_IOTHREAD
- qemu_system_ready = 1;
- qemu_cond_broadcast(&qemu_system_cond);
-#endif
+ qemu_main_loop_start();
for (;;) {
do {
+ bool nonblocking = false;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
#ifndef CONFIG_IOTHREAD
- tcg_cpu_exec();
+ nonblocking = tcg_cpu_exec();
#endif
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
- main_loop_wait(qemu_calculate_timeout());
+ main_loop_wait(nonblocking);
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
} while (vm_can_run());
- if (qemu_debug_requested()) {
- monitor_protocol_event(QEVENT_DEBUG, NULL);
- vm_stop(EXCP_DEBUG);
+ if ((r = qemu_debug_requested())) {
+ vm_stop(r);
}
if (qemu_shutdown_requested()) {
monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
break;
}
if (qemu_reset_requested()) {
- monitor_protocol_event(QEVENT_RESET, NULL);
pause_all_vcpus();
qemu_system_reset();
resume_all_vcpus();
qemu_irq_raise(qemu_system_powerdown);
}
if ((r = qemu_vmstop_requested())) {
- monitor_protocol_event(QEVENT_STOP, NULL);
vm_stop(r);
}
+ if (qemu_exit_requested()) {
+ exit(0);
+ }
}
pause_all_vcpus();
}
static void version(void)
{
- printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
+ printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
}
static void help(int exitcode)
{
const char *options_help =
-#define DEF(option, opt_arg, opt_enum, opt_help) \
- opt_help
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ opt_help
#define DEFHEADING(text) stringify(text) "\n"
#include "qemu-options.h"
#undef DEF
version();
printf("usage: %s [options] [disk_image]\n"
"\n"
- "'disk_image' is a raw hard image image for IDE hard disk 0\n"
+ "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
"\n"
"%s\n"
"During emulation, the following keys are useful:\n"
#define HAS_ARG 0x0001
enum {
-#define DEF(option, opt_arg, opt_enum, opt_help) \
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
opt_enum,
#define DEFHEADING(text)
#include "qemu-options.h"
const char *name;
int flags;
int index;
+ uint32_t arch_mask;
} 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 },
+ { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ { option, opt_arg, opt_enum, arch_mask },
#define DEFHEADING(text)
#include "qemu-options.h"
#undef DEF
#undef GEN_DOCS
{ NULL },
};
-
-#ifdef HAS_AUDIO
-struct soundhw soundhw[] = {
-#ifdef HAS_AUDIO_CHOICE
-#if defined(TARGET_I386) || defined(TARGET_MIPS)
- {
- "pcspk",
- "PC speaker",
- 0,
- 1,
- { .init_isa = pcspk_audio_init }
- },
-#endif
-
-#ifdef CONFIG_SB16
- {
- "sb16",
- "Creative Sound Blaster 16",
- 0,
- 1,
- { .init_isa = SB16_init }
- },
-#endif
-
-#ifdef CONFIG_CS4231A
- {
- "cs4231a",
- "CS4231A",
- 0,
- 1,
- { .init_isa = cs4231a_init }
- },
-#endif
-
-#ifdef CONFIG_ADLIB
- {
- "adlib",
-#ifdef HAS_YMF262
- "Yamaha YMF262 (OPL3)",
-#else
- "Yamaha YM3812 (OPL2)",
-#endif
- 0,
- 1,
- { .init_isa = Adlib_init }
- },
-#endif
-
-#ifdef CONFIG_GUS
- {
- "gus",
- "Gravis Ultrasound GF1",
- 0,
- 1,
- { .init_isa = GUS_init }
- },
-#endif
-
-#ifdef CONFIG_AC97
- {
- "ac97",
- "Intel 82801AA AC97 Audio",
- 0,
- 0,
- { .init_pci = ac97_init }
- },
-#endif
-
-#ifdef CONFIG_ES1370
- {
- "es1370",
- "ENSONIQ AudioPCI ES1370",
- 0,
- 0,
- { .init_pci = es1370_init }
- },
-#endif
-
-#endif /* HAS_AUDIO_CHOICE */
-
- { NULL, NULL, 0, 0, { NULL } }
-};
-
-static void select_soundhw (const char *optarg)
-{
- struct soundhw *c;
-
- if (*optarg == '?') {
- show_valid_cards:
-
- printf ("Valid sound card names (comma separated):\n");
- for (c = soundhw; c->name; ++c) {
- printf ("%-11s %s\n", c->name, c->descr);
- }
- printf ("\n-soundhw all will enable all of the above\n");
- exit (*optarg != '?');
- }
- else {
- size_t l;
- const char *p;
- char *e;
- int bad_card = 0;
-
- if (!strcmp (optarg, "all")) {
- for (c = soundhw; c->name; ++c) {
- c->enabled = 1;
- }
- return;
- }
-
- p = optarg;
- while (*p) {
- e = strchr (p, ',');
- l = !e ? strlen (p) : (size_t) (e - p);
-
- for (c = soundhw; c->name; ++c) {
- if (!strncmp (c->name, p, l) && !c->name[l]) {
- c->enabled = 1;
- break;
- }
- }
-
- if (!c->name) {
- if (l > 80) {
- fprintf (stderr,
- "Unknown sound card name (too big to show)\n");
- }
- else {
- fprintf (stderr, "Unknown sound card name `%.*s'\n",
- (int) l, p);
- }
- bad_card = 1;
- }
- p += l + (e != NULL);
- }
-
- if (bad_card)
- goto show_valid_cards;
- }
-}
-#endif
-
static void select_vgahw (const char *p)
{
const char *opts;
}
}
-#ifdef TARGET_I386
static int balloon_parse(const char *arg)
{
QemuOpts *opts;
if (!strncmp(arg, "virtio", 6)) {
if (arg[6] == ',') {
/* have params -> parse them */
- opts = qemu_opts_parse(&qemu_device_opts, arg+7, NULL);
+ opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
if (!opts)
return -1;
} else {
return -1;
}
-#endif
#ifdef _WIN32
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
}
#endif
-int qemu_uuid_parse(const char *str, uint8_t *uuid)
-{
- int ret;
-
- if(strlen(str) != 36)
- return -1;
-
- ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
- &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
- &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
-
- if(ret != 16)
- return -1;
-
-#ifdef TARGET_I386
- smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
-#endif
-
- return 0;
-}
-
#ifndef _WIN32
static void termsig_handler(int signal)
}
#elif defined(__FreeBSD__)
{
- int len;
- len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
- if (len > 0) {
- buf[len] = 0;
+ static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+ size_t len = sizeof(buf) - 1;
+
+ *buf = '\0';
+ if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
+ *buf) {
+ buf[sizeof(buf) - 1] = '\0';
p = buf;
}
}
return 0;
}
+#ifdef CONFIG_LINUX
+static int fsdev_init_func(QemuOpts *opts, void *opaque)
+{
+ int ret;
+ ret = qemu_fsdev_add(opts);
+
+ return ret;
+}
+#endif
+
static int mon_init_func(QemuOpts *opts, void *opaque)
{
CharDriverState *chr;
if (strstart(optarg, "chardev:", &p)) {
snprintf(label, sizeof(label), "%s", p);
} else {
- if (monitor_device_index) {
- snprintf(label, sizeof(label), "monitor%d",
- monitor_device_index);
- } else {
- snprintf(label, sizeof(label), "monitor");
+ snprintf(label, sizeof(label), "compat_monitor%d",
+ monitor_device_index);
+ if (monitor_device_index == 0) {
def = 1;
}
opts = qemu_chr_parse_compat(label, optarg);
char *r = argv[optind];
const char *optarg;
+ loc_set_cmdline(argv, optind, 1);
optind++;
/* Treat --foo the same as -foo. */
if (r[1] == '-')
popt = qemu_options;
for(;;) {
if (!popt->name) {
- fprintf(stderr, "%s: invalid option -- '%s'\n",
- argv[0], r);
+ error_report("invalid option");
exit(1);
}
if (!strcmp(popt->name, r + 1))
}
if (popt->flags & HAS_ARG) {
if (optind >= argc) {
- fprintf(stderr, "%s: option '%s' requires an argument\n",
- argv[0], r);
+ error_report("requires an argument");
exit(1);
}
optarg = argv[optind++];
+ loc_set_cmdline(argv, optind - 2, 2);
} else {
optarg = NULL;
}
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;
+ int snapshot, linux_boot;
+ const char *icount_option = NULL;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
const char *chroot_dir = NULL;
const char *run_as = NULL;
#endif
- CPUState *env;
int show_vnc_port = 0;
int defconfig = 1;
+ error_set_progname(argv[0]);
+
init_clocks();
- qemu_errors_to_file(stderr);
qemu_cache_utils_init(envp);
QLIST_INIT (&vm_change_state_head);
}
if (defconfig) {
- FILE *fp;
- fp = fopen(CONFIG_QEMU_CONFDIR "/qemu.conf", "r");
- if (fp) {
- if (qemu_config_parse(fp) != 0) {
- exit(1);
- }
- fclose(fp);
+ int ret;
+
+ ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
+ if (ret == -EINVAL) {
+ exit(1);
}
- fp = fopen(CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", "r");
- if (fp) {
- if (qemu_config_parse(fp) != 0) {
- exit(1);
- }
- fclose(fp);
+ ret = qemu_read_config_file(arch_config_name);
+ if (ret == -EINVAL) {
+ exit(1);
}
}
+ cpudef_init();
/* second pass of option parsing */
optind = 1;
const QEMUOption *popt;
popt = lookup_opt(argc, argv, &optarg, &optind);
+ if (!(popt->arch_mask & arch_type)) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
switch(popt->index) {
case QEMU_OPTION_M:
machine = find_machine(optarg);
case QEMU_OPTION_cpu:
/* hw initialization will check this */
if (*optarg == '?') {
-/* XXX: implement xxx_cpu_list for targets that still miss it */
-#if defined(cpu_list)
- cpu_list(stdout, &fprintf);
-#endif
+ list_cpus(stdout, &fprintf, optarg);
exit(0);
} else {
cpu_model = optarg;
if (legacy ||
get_param_value(buf, sizeof(buf), "order", optarg)) {
- boot_devices_bitmap = parse_bootdevices(buf);
+ validate_bootdevices(buf);
pstrcpy(boot_devices, sizeof(boot_devices), buf);
}
if (!legacy) {
if (get_param_value(buf, sizeof(buf),
"once", optarg)) {
- boot_devices_bitmap |= parse_bootdevices(buf);
+ validate_bootdevices(buf);
standard_boot_devices = qemu_strdup(boot_devices);
pstrcpy(boot_devices, sizeof(boot_devices), buf);
qemu_register_reset(restore_boot_devices,
case QEMU_OPTION_fdb:
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
break;
-#ifdef TARGET_I386
case QEMU_OPTION_no_fd_bootchk:
fd_bootchk = 0;
break;
-#endif
case QEMU_OPTION_netdev:
if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
exit(1);
case QEMU_OPTION_bt:
add_device_config(DEV_BT, optarg);
break;
-#ifdef HAS_AUDIO
case QEMU_OPTION_audio_help:
+ if (!(audio_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
AUD_help ();
exit (0);
break;
case QEMU_OPTION_soundhw:
+ if (!(audio_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
select_soundhw (optarg);
break;
-#endif
case QEMU_OPTION_h:
help(0);
break;
ram_size = value;
break;
}
+ case QEMU_OPTION_mempath:
+ mem_path = optarg;
+ break;
+#ifdef MAP_POPULATE
+ case QEMU_OPTION_mem_prealloc:
+ mem_prealloc = 1;
+ break;
+#endif
case QEMU_OPTION_d:
- {
- int mask;
- const CPULogItem *item;
-
- mask = cpu_str_to_log_mask(optarg);
- if (!mask) {
- printf("Log items (comma separated):\n");
- for(item = cpu_log_items; item->mask != 0; item++) {
- printf("%-10s %s\n", item->name, item->help);
- }
- exit(1);
- }
- cpu_set_log(mask);
- }
+ set_cpu_log(optarg);
break;
case QEMU_OPTION_s:
gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
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;
default_monitor = 0;
break;
case QEMU_OPTION_mon:
- opts = qemu_opts_parse(&qemu_mon_opts, optarg, "chardev");
+ opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
if (!opts) {
- fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
default_monitor = 0;
break;
case QEMU_OPTION_chardev:
- opts = qemu_opts_parse(&qemu_chardev_opts, optarg, "backend");
+ opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
+ if (!opts) {
+ exit(1);
+ }
+ break;
+#ifdef CONFIG_LINUX
+ case QEMU_OPTION_fsdev:
+ opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
+ if (!opts) {
+ fprintf(stderr, "parse error: %s\n", optarg);
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_virtfs: {
+ char *arg_fsdev = NULL;
+ char *arg_9p = NULL;
+ int len = 0;
+
+ opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
if (!opts) {
fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
+
+ len = strlen(",id=,path=");
+ len += strlen(qemu_opt_get(opts, "fstype"));
+ len += strlen(qemu_opt_get(opts, "mount_tag"));
+ len += strlen(qemu_opt_get(opts, "path"));
+ arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
+
+ if (!arg_fsdev) {
+ fprintf(stderr, "No memory to parse -fsdev for %s\n",
+ optarg);
+ exit(1);
+ }
+
+ sprintf(arg_fsdev, "%s,id=%s,path=%s",
+ qemu_opt_get(opts, "fstype"),
+ qemu_opt_get(opts, "mount_tag"),
+ qemu_opt_get(opts, "path"));
+
+ len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
+ len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
+ arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
+
+ if (!arg_9p) {
+ fprintf(stderr, "No memory to parse -device for %s\n",
+ optarg);
+ exit(1);
+ }
+
+ sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
+ qemu_opt_get(opts, "mount_tag"),
+ qemu_opt_get(opts, "mount_tag"));
+
+ if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
+ fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
+ exit(1);
+ }
+
+ if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
+ fprintf(stderr, "parse error [device]: %s\n", optarg);
+ exit(1);
+ }
+
+ qemu_free(arg_fsdev);
+ qemu_free(arg_9p);
break;
+ }
+#endif
case QEMU_OPTION_serial:
add_device_config(DEV_SERIAL, optarg);
default_serial = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_watchdog:
if (watchdog) {
case QEMU_OPTION_virtiocon:
add_device_config(DEV_VIRTCON, optarg);
default_virtcon = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_parallel:
add_device_config(DEV_PARALLEL, optarg);
default_parallel = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_debugcon:
add_device_config(DEV_DEBUGCON, optarg);
case QEMU_OPTION_pidfile:
pid_file = optarg;
break;
-#ifdef TARGET_I386
case QEMU_OPTION_win2k_hack:
win2k_install_hack = 1;
break;
rtc_td_hack = 1;
break;
case QEMU_OPTION_acpitable:
- if(acpi_table_add(optarg) < 0) {
- fprintf(stderr, "Wrong acpi table provided\n");
- exit(1);
- }
+ do_acpitable_option(optarg);
break;
case QEMU_OPTION_smbios:
- if(smbios_entry_add(optarg) < 0) {
- fprintf(stderr, "Wrong smbios provided\n");
- exit(1);
- }
+ do_smbios_option(optarg);
break;
-#endif
-#ifdef CONFIG_KVM
case QEMU_OPTION_enable_kvm:
kvm_allowed = 1;
break;
-#endif
case QEMU_OPTION_usb:
usb_enabled = 1;
break;
add_device_config(DEV_USB, optarg);
break;
case QEMU_OPTION_device:
- if (!qemu_opts_parse(&qemu_device_opts, optarg, "driver")) {
+ if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
exit(1);
}
break;
display_type = DT_VNC;
vnc_display = optarg;
break;
-#ifdef TARGET_I386
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
break;
exit(1);
}
break;
-#endif
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
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 = qemu_strdup(optarg);
{
}
}
break;
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
case QEMU_OPTION_prom_env:
if (nb_prom_envs >= MAX_PROM_ENVS) {
fprintf(stderr, "Too many prom variables\n");
prom_envs[nb_prom_envs] = optarg;
nb_prom_envs++;
break;
-#endif
-#ifdef TARGET_ARM
case QEMU_OPTION_old_param:
old_param = 1;
break;
-#endif
case QEMU_OPTION_clock:
configure_alarms(optarg);
break;
configure_rtc_date_offset(optarg, 1);
break;
case QEMU_OPTION_rtc:
- opts = qemu_opts_parse(&qemu_rtc_opts, optarg, NULL);
+ opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
if (!opts) {
- fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
configure_rtc(opts);
tb_size = 0;
break;
case QEMU_OPTION_icount:
- use_icount = 1;
- if (strcmp(optarg, "auto") == 0) {
- icount_time_shift = -1;
- } else {
- icount_time_shift = strtol(optarg, NULL, 0);
- }
+ icount_option = optarg;
break;
case QEMU_OPTION_incoming:
incoming = optarg;
run_as = optarg;
break;
#endif
-#ifdef CONFIG_XEN
case QEMU_OPTION_xen_domid:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_domid = atoi(optarg);
break;
case QEMU_OPTION_xen_create:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_mode = XEN_CREATE;
break;
case QEMU_OPTION_xen_attach:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_mode = XEN_ATTACH;
break;
-#endif
case QEMU_OPTION_readconfig:
{
- FILE *fp;
- fp = fopen(optarg, "r");
- if (fp == NULL) {
- fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
+ int ret = qemu_read_config_file(optarg);
+ if (ret < 0) {
+ fprintf(stderr, "read config %s: %s\n", optarg,
+ strerror(-ret));
exit(1);
}
- if (qemu_config_parse(fp) != 0) {
- exit(1);
- }
- fclose(fp);
break;
}
case QEMU_OPTION_writeconfig:
}
}
}
+ loc_set_none();
/* If no data_dir is specified then try to find it relative to the
executable path. */
if (default_vga)
vga_interface_type = VGA_CIRRUS;
+ socket_init();
+
if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
exit(1);
+#ifdef CONFIG_LINUX
+ if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
+ exit(1);
+ }
+#endif
#ifndef _WIN32
if (daemonize) {
exit(1);
}
- if (kvm_enabled()) {
- int ret;
-
- ret = kvm_init(smp_cpus);
+ if (kvm_allowed) {
+ int ret = kvm_init(smp_cpus);
if (ret < 0) {
- fprintf(stderr, "failed to initialize KVM\n");
+ if (!kvm_available()) {
+ printf("KVM not supported for this target\n");
+ } else {
+ fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
+ }
exit(1);
}
}
fprintf(stderr, "could not initialize alarm timer\n");
exit(1);
}
- if (use_icount && icount_time_shift < 0) {
- use_icount = 2;
- /* 125MIPS seems a reasonable initial guess at the guest speed.
- It will be corrected fairly quickly anyway. */
- icount_time_shift = 3;
- init_icount_adjust();
- }
-
-#ifdef _WIN32
- socket_init();
-#endif
+ configure_icount(icount_option);
if (net_init_clients() < 0) {
exit(1);
}
- net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
- net_set_boot_mask(net_boot);
-
/* init the bluetooth world */
if (foreach_device_config(DEV_BT, bt_parse))
exit(1);
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
exit(1);
- vmstate_register(0, &vmstate_timers ,&timers_state);
register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
ram_load, NULL);
}
}
+ if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
+ exit(1);
+ }
+
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
exit(1);
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
machine->init(ram_size, boot_devices,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
+ cpu_synchronize_all_post_init();
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
sighandler_setup();
#endif
- 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;
- }
- }
- }
+ set_numa_modes();
current_machine = machine;
if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
exit(1);
- if (!display_state)
- dumb_display_init();
+ net_check_clients();
+
/* just use the first displaystate for the moment */
- ds = display_state;
+ ds = get_displaystate();
if (display_type == DT_DEFAULT) {
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
}
- text_consoles_set_display(display_state);
-
- if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0)
- exit(1);
+ text_consoles_set_display(ds);
if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
qemu_system_reset();
if (loadvm) {
- if (load_vmstate(cur_mon, loadvm) < 0) {
+ if (load_vmstate(loadvm) < 0) {
autostart = 0;
}
}
projects / qemu.git / blobdiff