#include "audio/audio.h"
#include "migration.h"
#include "kvm.h"
+#include "qjson.h"
#include "qemu-option.h"
#include "qemu-config.h"
-#include "qemu-objects.h"
#include "qemu-options.h"
#include "qmp-commands.h"
+#include "main-loop.h"
#ifdef CONFIG_VIRTFS
#include "fsdev/qemu-fsdev.h"
#endif
if (rtc_date_offset == -1)
if (rtc_utc)
seconds = mktimegm(tm);
- else
- seconds = mktime(tm);
+ else {
+ struct tm tmp = *tm;
+ tmp.tm_isdst = -1; /* use timezone to figure it out */
+ seconds = mktime(&tmp);
+ }
else
seconds = mktimegm(tm) + rtc_date_offset;
/* Allowed boot devices are:
* a-b: floppy disk drives
* c-f: IDE disk drives
- * g-m: machine implementation dependant drives
+ * g-m: machine implementation dependent drives
* n-p: network devices
* It's up to each machine implementation to check if the given boot
* devices match the actual hardware implementation and firmware
} else if (devpath) {
bootpath = devpath;
} else {
+ assert(i->suffix);
bootpath = g_strdup(i->suffix);
- assert(bootpath);
}
if (total) {
node_mem[nodenr] = 0;
} else {
int64_t sval;
- sval = strtosz(option, NULL);
- if (sval < 0) {
+ sval = strtosz(option, &endptr);
+ if (sval < 0 || *endptr) {
fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
exit(1);
}
qemu_notify_event();
}
-static GPollFD poll_fds[1024 * 2]; /* this is probably overkill */
-static int n_poll_fds;
-static int max_priority;
+qemu_irq qemu_system_powerdown;
-static void glib_select_fill(int *max_fd, fd_set *rfds, fd_set *wfds,
- fd_set *xfds, struct timeval *tv)
+static bool main_loop_should_exit(void)
{
- GMainContext *context = g_main_context_default();
- int i;
- int timeout = 0, cur_timeout;
-
- g_main_context_prepare(context, &max_priority);
-
- n_poll_fds = g_main_context_query(context, max_priority, &timeout,
- poll_fds, ARRAY_SIZE(poll_fds));
- g_assert(n_poll_fds <= ARRAY_SIZE(poll_fds));
-
- for (i = 0; i < n_poll_fds; i++) {
- GPollFD *p = &poll_fds[i];
-
- if ((p->events & G_IO_IN)) {
- FD_SET(p->fd, rfds);
- *max_fd = MAX(*max_fd, p->fd);
- }
- if ((p->events & G_IO_OUT)) {
- FD_SET(p->fd, wfds);
- *max_fd = MAX(*max_fd, p->fd);
- }
- if ((p->events & G_IO_ERR)) {
- FD_SET(p->fd, xfds);
- *max_fd = MAX(*max_fd, p->fd);
+ RunState r;
+ if (qemu_debug_requested()) {
+ vm_stop(RUN_STATE_DEBUG);
+ }
+ if (qemu_shutdown_requested()) {
+ qemu_kill_report();
+ monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
+ if (no_shutdown) {
+ vm_stop(RUN_STATE_SHUTDOWN);
+ } else {
+ return true;
}
}
-
- cur_timeout = (tv->tv_sec * 1000) + ((tv->tv_usec + 500) / 1000);
- if (timeout >= 0 && timeout < cur_timeout) {
- tv->tv_sec = timeout / 1000;
- tv->tv_usec = (timeout % 1000) * 1000;
- }
-}
-
-static void glib_select_poll(fd_set *rfds, fd_set *wfds, fd_set *xfds,
- bool err)
-{
- GMainContext *context = g_main_context_default();
-
- if (!err) {
- int i;
-
- for (i = 0; i < n_poll_fds; i++) {
- GPollFD *p = &poll_fds[i];
-
- if ((p->events & G_IO_IN) && FD_ISSET(p->fd, rfds)) {
- p->revents |= G_IO_IN;
- }
- if ((p->events & G_IO_OUT) && FD_ISSET(p->fd, wfds)) {
- p->revents |= G_IO_OUT;
- }
- if ((p->events & G_IO_ERR) && FD_ISSET(p->fd, xfds)) {
- p->revents |= G_IO_ERR;
- }
+ if (qemu_reset_requested()) {
+ pause_all_vcpus();
+ cpu_synchronize_all_states();
+ qemu_system_reset(VMRESET_REPORT);
+ resume_all_vcpus();
+ if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
+ runstate_check(RUN_STATE_SHUTDOWN)) {
+ runstate_set(RUN_STATE_PAUSED);
}
}
-
- if (g_main_context_check(context, max_priority, poll_fds, n_poll_fds)) {
- g_main_context_dispatch(context);
- }
-}
-
-int main_loop_wait(int nonblocking)
-{
- fd_set rfds, wfds, xfds;
- int ret, nfds;
- struct timeval tv;
- int timeout;
-
- if (nonblocking)
- timeout = 0;
- else {
- timeout = qemu_calculate_timeout();
- qemu_bh_update_timeout(&timeout);
+ if (qemu_powerdown_requested()) {
+ monitor_protocol_event(QEVENT_POWERDOWN, NULL);
+ qemu_irq_raise(qemu_system_powerdown);
}
-
- os_host_main_loop_wait(&timeout);
-
- tv.tv_sec = timeout / 1000;
- tv.tv_usec = (timeout % 1000) * 1000;
-
- /* poll any events */
- /* XXX: separate device handlers from system ones */
- nfds = -1;
- FD_ZERO(&rfds);
- FD_ZERO(&wfds);
- FD_ZERO(&xfds);
-
- qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
- slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
- glib_select_fill(&nfds, &rfds, &wfds, &xfds, &tv);
-
- if (timeout > 0) {
- qemu_mutex_unlock_iothread();
+ if (qemu_vmstop_requested(&r)) {
+ vm_stop(r);
}
-
- ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
-
- if (timeout > 0) {
- qemu_mutex_lock_iothread();
- }
-
- qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
- slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
- glib_select_poll(&rfds, &wfds, &xfds, (ret < 0));
-
- qemu_run_all_timers();
-
- /* Check bottom-halves last in case any of the earlier events triggered
- them. */
- qemu_bh_poll();
-
- return ret;
+ return false;
}
-qemu_irq qemu_system_powerdown;
-
static void main_loop(void)
{
bool nonblocking;
- int last_io __attribute__ ((unused)) = 0;
+ int last_io = 0;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
- RunState r;
-
- qemu_main_loop_start();
-
- for (;;) {
+ do {
nonblocking = !kvm_enabled() && last_io > 0;
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
-
- if (qemu_debug_requested()) {
- vm_stop(RUN_STATE_DEBUG);
- }
- if (qemu_shutdown_requested()) {
- qemu_kill_report();
- monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
- if (no_shutdown) {
- vm_stop(RUN_STATE_SHUTDOWN);
- } else
- break;
- }
- if (qemu_reset_requested()) {
- pause_all_vcpus();
- cpu_synchronize_all_states();
- qemu_system_reset(VMRESET_REPORT);
- resume_all_vcpus();
- if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
- runstate_check(RUN_STATE_SHUTDOWN)) {
- runstate_set(RUN_STATE_PAUSED);
- }
- }
- if (qemu_powerdown_requested()) {
- monitor_protocol_event(QEVENT_POWERDOWN, NULL);
- qemu_irq_raise(qemu_system_powerdown);
- }
- if (qemu_vmstop_requested(&r)) {
- vm_stop(r);
- }
- }
- bdrv_close_all();
- pause_all_vcpus();
+ } while (!main_loop_should_exit());
}
static void version(void)
static void help(int exitcode)
{
- const char *options_help =
-#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
- opt_help
-#define DEFHEADING(text) stringify(text) "\n"
-#include "qemu-options.def"
-#undef DEF
-#undef DEFHEADING
-#undef GEN_DOCS
- ;
version();
- printf("usage: %s [options] [disk_image]\n"
- "\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"
+ printf("usage: %s [options] [disk_image]\n\n"
+ "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
+ error_get_progname());
+
+#define QEMU_OPTIONS_GENERATE_HELP
+#include "qemu-options-wrapper.h"
+
+ printf("\nDuring emulation, the following keys are useful:\n"
"ctrl-alt-f toggle full screen\n"
"ctrl-alt-n switch to virtual console 'n'\n"
"ctrl-alt toggle mouse and keyboard grab\n"
"\n"
- "When using -nographic, press 'ctrl-a h' to get some help.\n",
- "qemu",
- options_help);
+ "When using -nographic, press 'ctrl-a h' to get some help.\n");
+
exit(exitcode);
}
static const QEMUOption qemu_options[] = {
{ "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.def"
-#undef DEF
-#undef DEFHEADING
-#undef GEN_DOCS
+#define QEMU_OPTIONS_GENERATE_OPTIONS
+#include "qemu-options-wrapper.h"
{ NULL },
};
static void select_vgahw (const char *p)
error_set_progname(argv[0]);
g_mem_set_vtable(&mem_trace);
- g_thread_init(NULL);
+ if (!g_thread_supported()) {
+ g_thread_init(NULL);
+ }
runstate_init();
init_clocks();
+ rtc_clock = host_clock;
qemu_cache_utils_init(envp);
break;
case QEMU_OPTION_m: {
int64_t value;
+ char *end;
- value = strtosz(optarg, NULL);
- if (value < 0) {
+ value = strtosz(optarg, &end);
+ if (value < 0 || *end) {
fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
exit(1);
}
case QEMU_OPTION_virtfs: {
QemuOpts *fsdev;
QemuOpts *device;
+ const char *writeout;
olist = qemu_find_opts("virtfs");
if (!olist) {
exit(1);
}
- if (qemu_opt_get(opts, "fstype") == NULL ||
+ if (qemu_opt_get(opts, "fsdriver") == NULL ||
qemu_opt_get(opts, "mount_tag") == NULL ||
- qemu_opt_get(opts, "path") == NULL ||
- qemu_opt_get(opts, "security_model") == NULL) {
- fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
- "security_model=[mapped|passthrough|none],"
+ qemu_opt_get(opts, "path") == NULL) {
+ fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
+ "[security_model={mapped|passthrough|none}],"
"mount_tag=tag.\n");
exit(1);
}
-
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
qemu_opt_get(opts, "mount_tag"), 1);
if (!fsdev) {
qemu_opt_get(opts, "mount_tag"));
exit(1);
}
- qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
+
+ writeout = qemu_opt_get(opts, "writeout");
+ if (writeout) {
+#ifdef CONFIG_SYNC_FILE_RANGE
+ qemu_opt_set(fsdev, "writeout", writeout);
+#else
+ fprintf(stderr, "writeout=immediate not supported on "
+ "this platform\n");
+ exit(1);
+#endif
+ }
+ qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
qemu_opt_set(fsdev, "security_model",
qemu_opt_get(opts, "security_model"));
+ qemu_opt_set_bool(fsdev, "readonly",
+ qemu_opt_get_bool(opts, "readonly", 0));
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
qemu_opt_set(device, "driver", "virtio-9p-pci");
qemu_opt_set(device, "fsdev",
qemu_opt_get(opts, "mount_tag"));
break;
}
+ case QEMU_OPTION_virtfs_synth: {
+ QemuOpts *fsdev;
+ QemuOpts *device;
+
+ fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
+ if (!fsdev) {
+ fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
+ exit(1);
+ }
+ qemu_opt_set(fsdev, "fsdriver", "synth");
+ qemu_opt_set(fsdev, "path", "/"); /* ignored */
+
+ device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
+ qemu_opt_set(device, "driver", "virtio-9p-pci");
+ qemu_opt_set(device, "fsdev", "v_synth");
+ qemu_opt_set(device, "mount_tag", "v_synth");
+ break;
+ }
case QEMU_OPTION_serial:
add_device_config(DEV_SERIAL, optarg);
default_serial = 0;
data_dir = CONFIG_QEMU_DATADIR;
}
+ if (machine == NULL) {
+ fprintf(stderr, "No machine found.\n");
+ exit(1);
+ }
+
/*
* Default to max_cpus = smp_cpus, in case the user doesn't
* specify a max_cpus value.
configure_accelerator();
+ qemu_init_cpu_loop();
if (qemu_init_main_loop()) {
fprintf(stderr, "qemu_init_main_loop failed\n");
exit(1);
fprintf(stderr, "could not initialize alarm timer\n");
exit(1);
}
+
+ if (icount_option && (kvm_enabled() || xen_enabled())) {
+ fprintf(stderr, "-icount is not allowed with kvm or xen\n");
+ exit(1);
+ }
configure_icount(icount_option);
if (net_init_clients() < 0) {
}
qemu_add_globals();
+ qdev_machine_init();
+
machine->init(ram_size, boot_devices,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
os_setup_post();
+ resume_all_vcpus();
main_loop();
- quit_timers();
+ bdrv_close_all();
+ pause_all_vcpus();
net_cleanup();
res_free();