]> git.proxmox.com Git - mirror_qemu.git/blobdiff - vl.c
softfloat: Specialize udiv_qrnnd for s390x
[mirror_qemu.git] / vl.c
diff --git a/vl.c b/vl.c
index d451f45dc59834df5edb3ec67232597dc69c0313..a867c9c4d9eb4b119fca8fc3ae47a0d49728f1d8 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 #include "qapi/error.h"
 #include "qemu-version.h"
 #include "qemu/cutils.h"
@@ -142,6 +143,7 @@ ram_addr_t ram_size;
 const char *mem_path = NULL;
 int mem_prealloc = 0; /* force preallocation of physical target memory */
 bool enable_mlock = false;
+bool enable_cpu_pm = false;
 int nb_nics;
 NICInfo nd_table[MAX_NICS];
 int autostart;
@@ -390,6 +392,22 @@ static QemuOptsList qemu_realtime_opts = {
     },
 };
 
+static QemuOptsList qemu_overcommit_opts = {
+    .name = "overcommit",
+    .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
+    .desc = {
+        {
+            .name = "mem-lock",
+            .type = QEMU_OPT_BOOL,
+        },
+        {
+            .name = "cpu-pm",
+            .type = QEMU_OPT_BOOL,
+        },
+        { /* end of list */ }
+    },
+};
+
 static QemuOptsList qemu_msg_opts = {
     .name = "msg",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
@@ -805,44 +823,33 @@ int qemu_timedate_diff(struct tm *tm)
     return seconds - qemu_time();
 }
 
-static void configure_rtc_date_offset(const char *startdate, int legacy)
+static void configure_rtc_date_offset(const char *startdate)
 {
     time_t rtc_start_date;
     struct tm tm;
 
-    if (!strcmp(startdate, "now") && legacy) {
-        rtc_date_offset = -1;
+    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 {
-        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:
-            error_report("invalid date format");
-            error_printf("valid formats: "
-                         "'2006-06-17T16:01:21' or '2006-06-17'\n");
-            exit(1);
-        }
-        rtc_date_offset = qemu_time() - rtc_start_date;
+        goto date_fail;
+    }
+    tm.tm_year -= 1900;
+    tm.tm_mon--;
+    rtc_start_date = mktimegm(&tm);
+    if (rtc_start_date == -1) {
+    date_fail:
+        error_report("invalid date format");
+        error_printf("valid formats: "
+                     "'2006-06-17T16:01:21' or '2006-06-17'\n");
+        exit(1);
     }
+    rtc_date_offset = qemu_time() - rtc_start_date;
 }
 
 static void configure_rtc(QemuOpts *opts)
@@ -860,7 +867,7 @@ static void configure_rtc(QemuOpts *opts)
                       "-rtc base=localtime");
             replay_add_blocker(blocker);
         } else {
-            configure_rtc_date_offset(value, 0);
+            configure_rtc_date_offset(value);
         }
     }
     value = qemu_opt_get(opts, "clock");
@@ -1628,9 +1635,8 @@ void qemu_system_reset(ShutdownCause reason)
     } else {
         qemu_devices_reset();
     }
-    if (reason) {
-        qapi_event_send_reset(shutdown_caused_by_guest(reason),
-                              &error_abort);
+    if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
+        qapi_event_send_reset(shutdown_caused_by_guest(reason));
     }
     cpu_synchronize_all_post_reset();
 }
@@ -1643,11 +1649,11 @@ void qemu_system_guest_panicked(GuestPanicInformation *info)
         current_cpu->crash_occurred = true;
     }
     qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
-                                   !!info, info, &error_abort);
+                                   !!info, info);
     vm_stop(RUN_STATE_GUEST_PANICKED);
     if (!no_shutdown) {
         qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
-                                       !!info, info, &error_abort);
+                                       !!info, info);
         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
     }
 
@@ -1674,7 +1680,7 @@ void qemu_system_guest_panicked(GuestPanicInformation *info)
 
 void qemu_system_reset_request(ShutdownCause reason)
 {
-    if (no_reboot) {
+    if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
         shutdown_requested = reason;
     } else {
         reset_requested = reason;
@@ -1688,7 +1694,7 @@ static void qemu_system_suspend(void)
     pause_all_vcpus();
     notifier_list_notify(&suspend_notifiers, NULL);
     runstate_set(RUN_STATE_SUSPENDED);
-    qapi_event_send_suspend(&error_abort);
+    qapi_event_send_suspend();
 }
 
 void qemu_system_suspend_request(void)
@@ -1758,7 +1764,7 @@ void qemu_system_shutdown_request(ShutdownCause reason)
 
 static void qemu_system_powerdown(void)
 {
-    qapi_event_send_powerdown(&error_abort);
+    qapi_event_send_powerdown();
     notifier_list_notify(&powerdown_notifiers, NULL);
 }
 
@@ -1801,8 +1807,7 @@ static bool main_loop_should_exit(void)
     request = qemu_shutdown_requested();
     if (request) {
         qemu_kill_report();
-        qapi_event_send_shutdown(shutdown_caused_by_guest(request),
-                                 &error_abort);
+        qapi_event_send_shutdown(shutdown_caused_by_guest(request));
         if (no_shutdown) {
             vm_stop(RUN_STATE_SHUTDOWN);
         } else {
@@ -1825,7 +1830,7 @@ static bool main_loop_should_exit(void)
         notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
         wakeup_reason = QEMU_WAKEUP_REASON_NONE;
         resume_all_vcpus();
-        qapi_event_send_wakeup(&error_abort);
+        qapi_event_send_wakeup();
     }
     if (qemu_powerdown_requested()) {
         qemu_system_powerdown();
@@ -2109,36 +2114,6 @@ static void parse_display(const char *p)
     }
 }
 
-static int balloon_parse(const char *arg)
-{
-    QemuOpts *opts;
-
-    warn_report("This option is deprecated. "
-                "Use '--device virtio-balloon' to enable the balloon device.");
-
-    if (strcmp(arg, "none") == 0) {
-        return 0;
-    }
-
-    if (!strncmp(arg, "virtio", 6)) {
-        if (arg[6] == ',') {
-            /* have params -> parse them */
-            opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
-                                           false);
-            if (!opts)
-                return  -1;
-        } else {
-            /* create empty opts */
-            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
-                                    &error_abort);
-        }
-        qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
-        return 0;
-    }
-
-    return -1;
-}
-
 char *qemu_find_file(int type, const char *name)
 {
     int i;
@@ -2335,7 +2310,7 @@ static void monitor_parse(const char *optarg, const char *mode, bool pretty)
     } else {
         snprintf(label, sizeof(label), "compat_monitor%d",
                  monitor_device_index);
-        opts = qemu_chr_parse_compat(label, optarg);
+        opts = qemu_chr_parse_compat(label, optarg, true);
         if (!opts) {
             error_report("parse error: %s", optarg);
             exit(1);
@@ -2407,7 +2382,7 @@ static int serial_parse(const char *devname)
     snprintf(label, sizeof(label), "serial%d", index);
     serial_hds = g_renew(Chardev *, serial_hds, index + 1);
 
-    serial_hds[index] = qemu_chr_new(label, devname);
+    serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
     if (!serial_hds[index]) {
         error_report("could not connect serial device"
                      " to character backend '%s'", devname);
@@ -2443,7 +2418,7 @@ static int parallel_parse(const char *devname)
         exit(1);
     }
     snprintf(label, sizeof(label), "parallel%d", index);
-    parallel_hds[index] = qemu_chr_new(label, devname);
+    parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
     if (!parallel_hds[index]) {
         error_report("could not connect parallel device"
                      " to character backend '%s'", devname);
@@ -2474,7 +2449,7 @@ static int virtcon_parse(const char *devname)
     qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
 
     snprintf(label, sizeof(label), "virtcon%d", index);
-    virtcon_hds[index] = qemu_chr_new(label, devname);
+    virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
     if (!virtcon_hds[index]) {
         error_report("could not connect virtio console"
                      " to character backend '%s'", devname);
@@ -2490,7 +2465,7 @@ static int debugcon_parse(const char *devname)
 {
     QemuOpts *opts;
 
-    if (!qemu_chr_new("debugcon", devname)) {
+    if (!qemu_chr_new_mux_mon("debugcon", devname)) {
         exit(1);
     }
     opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
@@ -2560,8 +2535,9 @@ static gint machine_class_cmp(gconstpointer a, gconstpointer b)
             if (mc->alias) {
                 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
             }
-            printf("%-20s %s%s\n", mc->name, mc->desc,
-                   mc->is_default ? " (default)" : "");
+            printf("%-20s %s%s%s\n", mc->name, mc->desc,
+                   mc->is_default ? " (default)" : "",
+                   mc->deprecation_reason ? " (deprecated)" : "");
         }
     }
 
@@ -2584,6 +2560,16 @@ static void qemu_run_exit_notifiers(void)
     notifier_list_notify(&exit_notifiers, NULL);
 }
 
+static const char *pid_file;
+static Notifier qemu_unlink_pidfile_notifier;
+
+static void qemu_unlink_pidfile(Notifier *n, void *data)
+{
+    if (pid_file) {
+        unlink(pid_file);
+    }
+}
+
 bool machine_init_done;
 
 void qemu_add_machine_init_done_notifier(Notifier *notify)
@@ -2790,8 +2776,8 @@ static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
         if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
             uint64_t overflow_check = sz;
 
-            sz <<= 20;
-            if ((sz >> 20) != overflow_check) {
+            sz *= MiB;
+            if (sz / MiB != overflow_check) {
                 error_report("too large 'size' option value");
                 exit(EXIT_FAILURE);
             }
@@ -2908,7 +2894,6 @@ int main(int argc, char **argv, char **envp)
     const char *vga_model = NULL;
     const char *qtest_chrdev = NULL;
     const char *qtest_log = NULL;
-    const char *pid_file = NULL;
     const char *incoming = NULL;
     bool userconfig = true;
     bool nographic = false;
@@ -2968,6 +2953,7 @@ int main(int argc, char **argv, char **envp)
     qemu_add_opts(&qemu_object_opts);
     qemu_add_opts(&qemu_tpmdev_opts);
     qemu_add_opts(&qemu_realtime_opts);
+    qemu_add_opts(&qemu_overcommit_opts);
     qemu_add_opts(&qemu_msg_opts);
     qemu_add_opts(&qemu_name_opts);
     qemu_add_opts(&qemu_numa_opts);
@@ -3009,7 +2995,6 @@ int main(int argc, char **argv, char **envp)
 
             popt = lookup_opt(argc, argv, &optarg, &optind);
             switch (popt->index) {
-            case QEMU_OPTION_nodefconfig:
             case QEMU_OPTION_nouserconfig:
                 userconfig = false;
                 break;
@@ -3189,24 +3174,6 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 break;
-#endif
-#ifdef CONFIG_SLIRP
-            case QEMU_OPTION_tftp:
-                error_report("The -tftp option is deprecated. "
-                             "Please use '-netdev user,tftp=...' instead.");
-                legacy_tftp_prefix = optarg;
-                break;
-            case QEMU_OPTION_bootp:
-                error_report("The -bootp option is deprecated. "
-                             "Please use '-netdev user,bootfile=...' instead.");
-                legacy_bootp_filename = optarg;
-                break;
-            case QEMU_OPTION_redir:
-                error_report("The -redir option is deprecated. "
-                             "Please use '-netdev user,hostfwd=...' instead.");
-                if (net_slirp_redir(optarg) < 0)
-                    exit(1);
-                break;
 #endif
             case QEMU_OPTION_bt:
                 add_device_config(DEV_BT, optarg);
@@ -3280,11 +3247,6 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_k:
                 keyboard_layout = optarg;
                 break;
-            case QEMU_OPTION_localtime:
-                rtc_utc = 0;
-                warn_report("This option is deprecated, "
-                            "use '-rtc base=localtime' instead.");
-                break;
             case QEMU_OPTION_vga:
                 vga_model = optarg;
                 default_vga = 0;
@@ -3537,18 +3499,6 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_win2k_hack:
                 win2k_install_hack = 1;
                 break;
-            case QEMU_OPTION_rtc_td_hack: {
-                static GlobalProperty slew_lost_ticks = {
-                    .driver   = "mc146818rtc",
-                    .property = "lost_tick_policy",
-                    .value    = "slew",
-                };
-
-                qdev_prop_register_global(&slew_lost_ticks);
-                warn_report("This option is deprecated, "
-                            "use '-rtc driftfix=slew' instead.");
-                break;
-            }
             case QEMU_OPTION_acpitable:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
                                                optarg, true);
@@ -3580,6 +3530,7 @@ int main(int argc, char **argv, char **envp)
                 qemu_opts_parse_noisily(olist, "accel=kvm", false);
                 break;
             case QEMU_OPTION_enable_hax:
+                warn_report("Option is deprecated, use '-accel hax' instead");
                 olist = qemu_find_opts("machine");
                 qemu_opts_parse_noisily(olist, "accel=hax", false);
                 break;
@@ -3639,12 +3590,6 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_no_hpet:
                 no_hpet = 1;
                 break;
-            case QEMU_OPTION_balloon:
-                if (balloon_parse(optarg) < 0) {
-                    error_report("unknown -balloon argument %s", optarg);
-                    exit(1);
-                }
-                break;
             case QEMU_OPTION_no_reboot:
                 no_reboot = 1;
                 break;
@@ -3739,10 +3684,6 @@ int main(int argc, char **argv, char **envp)
                  */
                 warn_report("This option is ignored and will be removed soon");
                 break;
-            case QEMU_OPTION_startdate:
-                warn_report("This option is deprecated, use '-rtc base=' instead.");
-                configure_rtc_date_offset(optarg, 1);
-                break;
             case QEMU_OPTION_rtc:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
                                                false);
@@ -3904,7 +3845,20 @@ int main(int argc, char **argv, char **envp)
                 if (!opts) {
                     exit(1);
                 }
-                enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
+                /* Don't override the -overcommit option if set */
+                enable_mlock = enable_mlock ||
+                    qemu_opt_get_bool(opts, "mlock", true);
+                break;
+            case QEMU_OPTION_overcommit:
+                opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
+                                               optarg, false);
+                if (!opts) {
+                    exit(1);
+                }
+                /* Don't override the -realtime option if set */
+                enable_mlock = enable_mlock ||
+                    qemu_opt_get_bool(opts, "mem-lock", false);
+                enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
                 break;
             case QEMU_OPTION_msg:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
@@ -3926,7 +3880,9 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 break;
-            case QEMU_OPTION_nodefconfig:
+            case QEMU_OPTION_enable_sync_profile:
+                qsp_enable();
+                break;
             case QEMU_OPTION_nouserconfig:
                 /* Nothing to be parsed here. Especially, do not error out below. */
                 break;
@@ -3959,19 +3915,22 @@ int main(int argc, char **argv, char **envp)
     os_daemonize();
     rcu_disable_atfork();
 
-    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
-        error_report("could not acquire pid file: %s", strerror(errno));
+    if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
+        error_reportf_err(err, "cannot create PID file: ");
         exit(1);
     }
 
+    qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
+    qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
+
     if (qemu_init_main_loop(&main_loop_err)) {
         error_report_err(main_loop_err);
         exit(1);
     }
 
 #ifdef CONFIG_SECCOMP
-    if (qemu_opts_foreach(qemu_find_opts("sandbox"),
-                          parse_sandbox, NULL, NULL)) {
+    olist = qemu_find_opts_err("sandbox", NULL);
+    if (olist && qemu_opts_foreach(olist, parse_sandbox, NULL, NULL)) {
         exit(1);
     }
 #endif
@@ -4134,6 +4093,12 @@ int main(int argc, char **argv, char **envp)
     }
 
     if (is_daemonized()) {
+        if (!preconfig_exit_requested) {
+            error_report("'preconfig' and 'daemonize' options are "
+                         "mutually exclusive");
+            exit(EXIT_FAILURE);
+        }
+
         /* According to documentation and historically, -nographic redirects
          * serial port, parallel port and monitor to stdio, which does not work
          * with -daemonize.  We can redirect these to null instead, but since
@@ -4257,6 +4222,11 @@ int main(int argc, char **argv, char **envp)
 
     configure_accelerator(current_machine);
 
+    if (!qtest_enabled() && machine_class->deprecation_reason) {
+        error_report("Machine type '%s' is deprecated: %s",
+                     machine_class->name, machine_class->deprecation_reason);
+    }
+
     /*
      * Register all the global properties, including accel properties,
      * machine properties, and user-specified ones.
@@ -4515,11 +4485,10 @@ int main(int argc, char **argv, char **envp)
      * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
      * sets up a nic that isn't connected to anything.
      */
-    if (!default_net) {
+    if (!default_net && (!qtest_enabled() || has_defaults)) {
         net_check_clients();
     }
 
-
     if (boot_once) {
         qemu_boot_set(boot_once, &error_fatal);
         qemu_register_reset(restore_boot_order, g_strdup(boot_order));
@@ -4566,15 +4535,17 @@ int main(int argc, char **argv, char **envp)
     replay_checkpoint(CHECKPOINT_RESET);
     qemu_system_reset(SHUTDOWN_CAUSE_NONE);
     register_global_state();
-    if (replay_mode != REPLAY_MODE_NONE) {
-        replay_vmstate_init();
-    } else if (loadvm) {
+    if (loadvm) {
         Error *local_err = NULL;
         if (load_snapshot(loadvm, &local_err) < 0) {
             error_report_err(local_err);
             autostart = 0;
+            exit(1);
         }
     }
+    if (replay_mode != REPLAY_MODE_NONE) {
+        replay_vmstate_init();
+    }
 
     qdev_prop_check_globals();
     if (vmstate_dump_file) {