From 68396ea9c0fe4f75ce30b1eba2c44c43c13344bb Mon Sep 17 00:00:00 2001 From: Robert Mustacchi Date: Fri, 24 Jun 2011 13:49:54 -0700 Subject: Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm --- vl.c | 3208 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 3208 insertions(+) create mode 100644 vl.c (limited to 'vl.c') diff --git a/vl.c b/vl.c new file mode 100644 index 0000000..6da06bb --- /dev/null +++ b/vl.c @@ -0,0 +1,3208 @@ +/* + * QEMU System Emulator + * + * Copyright (c) 2003-2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include +#include +#include +#include + +/* Needed early for CONFIG_BSD etc. */ +#include "config-host.h" + +#ifndef _WIN32 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_SIMPLE_TRACE +#include "trace.h" +#endif + +#ifdef CONFIG_BSD +#include +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) +#include +#include +#else +#include +#endif +#else +#ifdef __linux__ +#include +#include + +#include +#include +#endif +#ifdef __sun__ +#include +#include +#include +#include +#include +#include +#include // must come after ip.h +#include +#include +#include +#include +#include +#endif +#endif +#endif + +#if defined(__OpenBSD__) +#include +#endif + +#if defined(CONFIG_VDE) +#include +#endif + +#ifdef _WIN32 +#include +#endif + +#ifdef CONFIG_SDL +#if defined(__APPLE__) || defined(main) +#include +int qemu_main(int argc, char **argv, char **envp); +int main(int argc, char **argv) +{ + return qemu_main(argc, argv, NULL); +} +#undef main +#define main qemu_main +#endif +#endif /* CONFIG_SDL */ + +#ifdef CONFIG_COCOA +#undef main +#define main qemu_main +#endif /* CONFIG_COCOA */ + +#include "hw/hw.h" +#include "hw/boards.h" +#include "hw/usb.h" +#include "hw/pcmcia.h" +#include "hw/pc.h" +#include "hw/isa.h" +#include "hw/baum.h" +#include "hw/bt.h" +#include "hw/watchdog.h" +#include "hw/smbios.h" +#include "hw/xen.h" +#include "hw/qdev.h" +#include "hw/loader.h" +#include "bt-host.h" +#include "net.h" +#include "net/slirp.h" +#include "monitor.h" +#include "console.h" +#include "sysemu.h" +#include "gdbstub.h" +#include "qemu-timer.h" +#include "qemu-char.h" +#include "cache-utils.h" +#include "block.h" +#include "blockdev.h" +#include "block-migration.h" +#include "dma.h" +#include "audio/audio.h" +#include "migration.h" +#include "kvm.h" +#include "qemu-option.h" +#include "qemu-config.h" +#include "qemu-objects.h" +#include "qemu-options.h" +#include "hw/device-assignment.h" +#ifdef CONFIG_VIRTFS +#include "fsdev/qemu-fsdev.h" +#endif + +#include "disas.h" + +#include "qemu_socket.h" + +#include "slirp/libslirp.h" + +#include "trace.h" +#include "qemu-queue.h" +#include "cpus.h" +#include "arch_init.h" + +#include "ui/qemu-spice.h" + +//#define DEBUG_NET +//#define DEBUG_SLIRP + +#define DEFAULT_RAM_SIZE 128 + +#define MAX_VIRTIO_CONSOLES 1 + +static const char *data_dir; +const char *bios_name = NULL; +enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; +DisplayType display_type = DT_DEFAULT; +int display_remote = 0; +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; +int autostart; +int incoming_expected; /* Started with -incoming and waiting for incoming */ +static int rtc_utc = 1; +static int rtc_date_offset = -1; /* -1 means no change */ +QEMUClock *rtc_clock; +int vga_interface_type = VGA_NONE; +static int full_screen = 0; +#ifdef CONFIG_SDL +static int no_frame = 0; +#endif +int no_quit = 0; +CharDriverState *serial_hds[MAX_SERIAL_PORTS]; +CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; +CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; +int win2k_install_hack = 0; +int rtc_td_hack = 0; +int usb_enabled = 0; +int singlestep = 0; +int smp_cpus = 1; +int max_cpus = 0; +int smp_cores = 1; +int smp_threads = 1; +const char *vnc_display; +int acpi_enabled = 1; +int no_hpet = 0; +int fd_bootchk = 1; +int no_reboot = 0; +int no_shutdown = 0; +int cursor_hide = 1; +int graphic_rotate = 0; +uint8_t irq0override = 1; +const char *watchdog; +QEMUOptionRom option_rom[MAX_OPTION_ROMS]; +int nb_option_roms; +int semihosting_enabled = 0; +int time_drift_fix = 0; +unsigned int kvm_shadow_memory = 0; +int old_param = 0; +const char *qemu_name; +int alt_grab = 0; +int ctrl_grab = 0; +unsigned int nb_prom_envs = 0; +const char *prom_envs[MAX_PROM_ENVS]; +const char *nvram = NULL; +int boot_menu; + +typedef struct FWBootEntry FWBootEntry; + +struct FWBootEntry { + QTAILQ_ENTRY(FWBootEntry) link; + int32_t bootindex; + DeviceState *dev; + char *suffix; +}; + +QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order); + +int nb_numa_nodes; +uint64_t node_mem[MAX_NODES]; +uint64_t node_cpumask[MAX_NODES]; + +static QEMUTimer *nographic_timer; + +uint8_t qemu_uuid[16]; + +static QEMUBootSetHandler *boot_set_handler; +static void *boot_set_opaque; + +static NotifierList exit_notifiers = + NOTIFIER_LIST_INITIALIZER(exit_notifiers); + +static NotifierList machine_init_done_notifiers = + NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); + +int kvm_allowed = -1; +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; +static int default_monitor = 1; +static int default_vga = 1; +static int default_floppy = 1; +static int default_cdrom = 1; +static int default_sdcard = 1; + +static struct { + const char *driver; + int *flag; +} default_list[] = { + { .driver = "isa-serial", .flag = &default_serial }, + { .driver = "isa-parallel", .flag = &default_parallel }, + { .driver = "isa-fdc", .flag = &default_floppy }, + { .driver = "ide-drive", .flag = &default_cdrom }, + { .driver = "virtio-serial-pci", .flag = &default_virtcon }, + { .driver = "virtio-serial-s390", .flag = &default_virtcon }, + { .driver = "virtio-serial", .flag = &default_virtcon }, + { .driver = "VGA", .flag = &default_vga }, + { .driver = "cirrus-vga", .flag = &default_vga }, + { .driver = "vmware-svga", .flag = &default_vga }, +}; + +static int default_driver_check(QemuOpts *opts, void *opaque) +{ + const char *driver = qemu_opt_get(opts, "driver"); + int i; + + if (!driver) + return 0; + for (i = 0; i < ARRAY_SIZE(default_list); i++) { + if (strcmp(default_list[i].driver, driver) != 0) + continue; + *(default_list[i].flag) = 0; + } + return 0; +} + +/***********************************************************/ +/* real time host monotonic timer */ + +/***********************************************************/ +/* 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); +} + +void rtc_change_mon_event(struct tm *tm) +{ + QObject *data; + + data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm)); + monitor_protocol_event(QEVENT_RTC_CHANGE, data); + qobject_decref(data); +} + +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); + } + } + 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); + } + } +} + +/***********************************************************/ +/* 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; +} + +static void bt_vhci_add(int vlan_id) +{ + struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); + + if (!vlan->slave) + fprintf(stderr, "qemu: warning: adding a VHCI to " + "an empty scatternet %i\n", vlan_id); + + bt_vhci_init(bt_new_hci(vlan)); +} + +static struct bt_device_s *bt_device_add(const char *opt) +{ + struct bt_scatternet_s *vlan; + int vlan_id = 0; + char *endp = strstr(opt, ",vlan="); + int len = (endp ? endp - opt : strlen(opt)) + 1; + char devname[10]; + + pstrcpy(devname, MIN(sizeof(devname), len), opt); + + if (endp) { + vlan_id = strtol(endp + 6, &endp, 0); + if (*endp) { + fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); + return 0; + } + } + + vlan = qemu_find_bt_vlan(vlan_id); + + if (!vlan->slave) + fprintf(stderr, "qemu: warning: adding a slave device to " + "an empty scatternet %i\n", vlan_id); + + if (!strcmp(devname, "keyboard")) + return bt_keyboard_init(vlan); + + fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); + return 0; +} + +static int bt_parse(const char *opt) +{ + const char *endp, *p; + int vlan; + + if (strstart(opt, "hci", &endp)) { + if (!*endp || *endp == ',') { + if (*endp) + if (!strstart(endp, ",vlan=", 0)) + opt = endp + 1; + + return bt_hci_parse(opt); + } + } else if (strstart(opt, "vhci", &endp)) { + if (!*endp || *endp == ',') { + if (*endp) { + if (strstart(endp, ",vlan=", &p)) { + vlan = strtol(p, (char **) &endp, 0); + if (*endp) { + fprintf(stderr, "qemu: bad scatternet '%s'\n", p); + return 1; + } + } else { + fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); + return 1; + } + } else + vlan = 0; + + bt_vhci_add(vlan); + return 0; + } + } else if (strstart(opt, "device:", &endp)) + return !bt_device_add(endp); + + fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); + return 1; +} + +/***********************************************************/ +/* QEMU Block devices */ + +#define HD_OPTS "media=disk" +#define CDROM_OPTS "media=cdrom" +#define FD_OPTS "" +#define PFLASH_OPTS "" +#define MTD_OPTS "" +#define SD_OPTS "" + +static int drive_init_func(QemuOpts *opts, void *opaque) +{ + int *use_scsi = opaque; + + return drive_init(opts, *use_scsi) == NULL; +} + +static int drive_enable_snapshot(QemuOpts *opts, void *opaque) +{ + if (NULL == qemu_opt_get(opts, "snapshot")) { + qemu_opt_set(opts, "snapshot", "on"); + } + return 0; +} + +static void default_drive(int enable, int snapshot, int use_scsi, + BlockInterfaceType type, int index, + const char *optstr) +{ + QemuOpts *opts; + + if (type == IF_DEFAULT) { + type = use_scsi ? IF_SCSI : IF_IDE; + } + + if (!enable || drive_get_by_index(type, index)) { + return; + } + + opts = drive_add(type, index, NULL, optstr); + if (snapshot) { + drive_enable_snapshot(opts, NULL); + } + if (!drive_init(opts, use_scsi)) { + exit(1); + } +} + +void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) +{ + boot_set_handler = func; + boot_set_opaque = opaque; +} + +int qemu_boot_set(const char *boot_devices) +{ + if (!boot_set_handler) { + return -EINVAL; + } + return boot_set_handler(boot_set_opaque, boot_devices); +} + +static void validate_bootdevices(char *devices) +{ + /* We just do some generic consistency checks */ + const char *p; + int bitmap = 0; + + for (p = devices; *p != '\0'; p++) { + /* Allowed boot devices are: + * a-b: floppy disk drives + * c-f: IDE disk drives + * g-m: machine implementation dependant 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 + * features. + */ + if (*p < 'a' || *p > 'p') { + fprintf(stderr, "Invalid boot device '%c'\n", *p); + exit(1); + } + if (bitmap & (1 << (*p - 'a'))) { + fprintf(stderr, "Boot device '%c' was given twice\n", *p); + exit(1); + } + bitmap |= 1 << (*p - 'a'); + } +} + +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); + + qemu_unregister_reset(restore_boot_devices, standard_boot_devices); + qemu_free(standard_boot_devices); +} + +void add_boot_device_path(int32_t bootindex, DeviceState *dev, + const char *suffix) +{ + FWBootEntry *node, *i; + + if (bootindex < 0) { + return; + } + + assert(dev != NULL || suffix != NULL); + + node = qemu_mallocz(sizeof(FWBootEntry)); + node->bootindex = bootindex; + node->suffix = suffix ? qemu_strdup(suffix) : NULL; + node->dev = dev; + + QTAILQ_FOREACH(i, &fw_boot_order, link) { + if (i->bootindex == bootindex) { + fprintf(stderr, "Two devices with same boot index %d\n", bootindex); + exit(1); + } else if (i->bootindex < bootindex) { + continue; + } + QTAILQ_INSERT_BEFORE(i, node, link); + return; + } + QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); +} + +/* + * This function returns null terminated string that consist of new line + * separated device pathes. + * + * memory pointed by "size" is assigned total length of the array in bytes + * + */ +char *get_boot_devices_list(uint32_t *size) +{ + FWBootEntry *i; + uint32_t total = 0; + char *list = NULL; + + QTAILQ_FOREACH(i, &fw_boot_order, link) { + char *devpath = NULL, *bootpath; + int len; + + if (i->dev) { + devpath = qdev_get_fw_dev_path(i->dev); + assert(devpath); + } + + if (i->suffix && devpath) { + size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1; + + bootpath = qemu_malloc(bootpathlen); + snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix); + qemu_free(devpath); + } else if (devpath) { + bootpath = devpath; + } else { + bootpath = qemu_strdup(i->suffix); + assert(bootpath); + } + + if (total) { + list[total-1] = '\n'; + } + len = strlen(bootpath) + 1; + list = qemu_realloc(list, total + len); + memcpy(&list[total], bootpath, len); + total += len; + qemu_free(bootpath); + } + + *size = total; + + return list; +} + +static void numa_add(const char *optarg) +{ + char option[128]; + char *endptr; + unsigned long long value, endvalue; + int nodenr; + + optarg = get_opt_name(option, 128, optarg, ',') + 1; + if (!strcmp(option, "node")) { + if (get_param_value(option, 128, "nodeid", optarg) == 0) { + nodenr = nb_numa_nodes; + } else { + nodenr = strtoull(option, NULL, 10); + } + + if (get_param_value(option, 128, "mem", optarg) == 0) { + node_mem[nodenr] = 0; + } else { + int64_t sval; + sval = strtosz(option, NULL); + if (sval < 0) { + fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg); + exit(1); + } + node_mem[nodenr] = sval; + } + if (get_param_value(option, 128, "cpus", optarg) == 0) { + node_cpumask[nodenr] = 0; + } else { + value = strtoull(option, &endptr, 10); + if (value >= 64) { + value = 63; + fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n"); + } else { + if (*endptr == '-') { + endvalue = strtoull(endptr+1, &endptr, 10); + if (endvalue >= 63) { + endvalue = 62; + fprintf(stderr, + "only 63 CPUs in NUMA mode supported.\n"); + } + value = (2ULL << endvalue) - (1ULL << value); + } else { + value = 1ULL << value; + } + } + node_cpumask[nodenr] = value; + } + nb_numa_nodes++; + } + return; +} + +static void smp_parse(const char *optarg) +{ + int smp, sockets = 0, threads = 0, cores = 0; + char *endptr; + char option[128]; + + smp = strtoul(optarg, &endptr, 10); + if (endptr != optarg) { + if (*endptr == ',') { + endptr++; + } + } + if (get_param_value(option, 128, "sockets", endptr) != 0) + sockets = strtoull(option, NULL, 10); + if (get_param_value(option, 128, "cores", endptr) != 0) + cores = strtoull(option, NULL, 10); + if (get_param_value(option, 128, "threads", endptr) != 0) + threads = strtoull(option, NULL, 10); + if (get_param_value(option, 128, "maxcpus", endptr) != 0) + max_cpus = strtoull(option, NULL, 10); + + /* compute missing values, prefer sockets over cores over threads */ + if (smp == 0 || sockets == 0) { + sockets = sockets > 0 ? sockets : 1; + cores = cores > 0 ? cores : 1; + threads = threads > 0 ? threads : 1; + if (smp == 0) { + smp = cores * threads * sockets; + } + } else { + if (cores == 0) { + threads = threads > 0 ? threads : 1; + cores = smp / (sockets * threads); + } else { + threads = smp / (cores * sockets); + } + } + smp_cpus = smp; + smp_cores = cores > 0 ? cores : 1; + smp_threads = threads > 0 ? threads : 1; + if (max_cpus == 0) + max_cpus = smp_cpus; +} + +/***********************************************************/ +/* USB devices */ + +static int usb_device_add(const char *devname) +{ + const char *p; + USBDevice *dev = NULL; + + if (!usb_enabled) + return -1; + + /* drivers with .usbdevice_name entry in USBDeviceInfo */ + dev = usbdevice_create(devname); + if (dev) + goto done; + + /* the other ones */ + if (strstart(devname, "host:", &p)) { + dev = usb_host_device_open(p); + } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { + dev = usb_bt_init(devname[2] ? hci_init(p) : + bt_new_hci(qemu_find_bt_vlan(0))); + } else { + return -1; + } + if (!dev) + return -1; + +done: + return 0; +} + +static int usb_device_del(const char *devname) +{ + int bus_num, addr; + const char *p; + + if (strstart(devname, "host:", &p)) + return usb_host_device_close(p); + + if (!usb_enabled) + return -1; + + p = strchr(devname, '.'); + if (!p) + return -1; + bus_num = strtoul(devname, NULL, 0); + addr = strtoul(p + 1, NULL, 0); + + return usb_device_delete_addr(bus_num, addr); +} + +static int usb_parse(const char *cmdline) +{ + int r; + r = usb_device_add(cmdline); + if (r < 0) { + fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); + } + return r; +} + +void do_usb_add(Monitor *mon, const QDict *qdict) +{ + const char *devname = qdict_get_str(qdict, "devname"); + if (usb_device_add(devname) < 0) { + error_report("could not add USB device '%s'", devname); + } +} + +void do_usb_del(Monitor *mon, const QDict *qdict) +{ + const char *devname = qdict_get_str(qdict, "devname"); + if (usb_device_del(devname) < 0) { + error_report("could not delete USB device '%s'", devname); + } +} + +/***********************************************************/ +/* PCMCIA/Cardbus */ + +static struct pcmcia_socket_entry_s { + PCMCIASocket *socket; + struct pcmcia_socket_entry_s *next; +} *pcmcia_sockets = 0; + +void pcmcia_socket_register(PCMCIASocket *socket) +{ + struct pcmcia_socket_entry_s *entry; + + entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); + entry->socket = socket; + entry->next = pcmcia_sockets; + pcmcia_sockets = entry; +} + +void pcmcia_socket_unregister(PCMCIASocket *socket) +{ + struct pcmcia_socket_entry_s *entry, **ptr; + + ptr = &pcmcia_sockets; + for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) + if (entry->socket == socket) { + *ptr = entry->next; + qemu_free(entry); + } +} + +void pcmcia_info(Monitor *mon) +{ + struct pcmcia_socket_entry_s *iter; + + if (!pcmcia_sockets) + monitor_printf(mon, "No PCMCIA sockets\n"); + + for (iter = pcmcia_sockets; iter; iter = iter->next) + monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, + iter->socket->attached ? iter->socket->card_string : + "Empty"); +} + +/***********************************************************/ +/* I/O handling */ + +typedef struct IOHandlerRecord { + int fd; + IOCanReadHandler *fd_read_poll; + IOHandler *fd_read; + IOHandler *fd_write; + int deleted; + void *opaque; + /* temporary data */ + struct pollfd *ufd; + QLIST_ENTRY(IOHandlerRecord) next; +} IOHandlerRecord; + +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, + IOCanReadHandler *fd_read_poll, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque) +{ + IOHandlerRecord *ioh; + + if (!fd_read && !fd_write) { + QLIST_FOREACH(ioh, &io_handlers, next) { + if (ioh->fd == fd) { + ioh->deleted = 1; + break; + } + } + } else { + QLIST_FOREACH(ioh, &io_handlers, next) { + if (ioh->fd == fd) + goto found; + } + ioh = qemu_mallocz(sizeof(IOHandlerRecord)); + QLIST_INSERT_HEAD(&io_handlers, ioh, next); + found: + ioh->fd = fd; + ioh->fd_read_poll = fd_read_poll; + ioh->fd_read = fd_read; + ioh->fd_write = fd_write; + ioh->opaque = opaque; + ioh->deleted = 0; + } + qemu_notify_event(); + return 0; +} + +int qemu_set_fd_handler(int fd, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque) +{ + return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); +} + +/***********************************************************/ +/* machine registration */ + +static QEMUMachine *first_machine = NULL; +QEMUMachine *current_machine = NULL; + +int qemu_register_machine(QEMUMachine *m) +{ + QEMUMachine **pm; + pm = &first_machine; + while (*pm != NULL) + pm = &(*pm)->next; + m->next = NULL; + *pm = m; + return 0; +} + +static QEMUMachine *find_machine(const char *name) +{ + QEMUMachine *m; + + for(m = first_machine; m != NULL; m = m->next) { + if (!strcmp(m->name, name)) + return m; + if (m->alias && !strcmp(m->alias, name)) + return m; + } + return NULL; +} + +static QEMUMachine *find_default_machine(void) +{ + QEMUMachine *m; + + for(m = first_machine; m != NULL; m = m->next) { + if (m->is_default) { + return m; + } + } + return NULL; +} + +/***********************************************************/ +/* main execution loop */ + +static void gui_update(void *opaque) +{ + uint64_t interval = GUI_REFRESH_INTERVAL; + DisplayState *ds = opaque; + DisplayChangeListener *dcl = ds->listeners; + + qemu_flush_coalesced_mmio_buffer(); + dpy_refresh(ds); + + while (dcl != NULL) { + if (dcl->gui_timer_interval && + dcl->gui_timer_interval < interval) + interval = dcl->gui_timer_interval; + dcl = dcl->next; + } + qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock)); +} + +static void nographic_update(void *opaque) +{ + uint64_t interval = GUI_REFRESH_INTERVAL; + + qemu_flush_coalesced_mmio_buffer(); + qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock)); +} + +struct vm_change_state_entry { + VMChangeStateHandler *cb; + void *opaque; + QLIST_ENTRY (vm_change_state_entry) entries; +}; + +static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; + +VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, + void *opaque) +{ + VMChangeStateEntry *e; + + e = qemu_mallocz(sizeof (*e)); + + e->cb = cb; + e->opaque = opaque; + QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); + return e; +} + +void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) +{ + QLIST_REMOVE (e, entries); + qemu_free (e); +} + +void vm_state_notify(int running, int reason) +{ + VMChangeStateEntry *e; + + trace_vm_state_notify(running, reason); + + for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { + e->cb(e->opaque, running, reason); + } +} + +void vm_start(void) +{ + if (!vm_running) { + cpu_enable_ticks(); + vm_running = 1; + vm_state_notify(1, 0); + resume_all_vcpus(); + monitor_protocol_event(QEVENT_RESUME, NULL); + } +} + +/* reset/shutdown handler */ + +typedef struct QEMUResetEntry { + QTAILQ_ENTRY(QEMUResetEntry) entry; + QEMUResetHandler *func; + void *opaque; +} QEMUResetEntry; + +static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = + QTAILQ_HEAD_INITIALIZER(reset_handlers); +static int reset_requested; +static int shutdown_requested; +static int powerdown_requested; +int debug_requested; +int vmstop_requested; + +int qemu_no_shutdown(void) +{ + int r = no_shutdown; + no_shutdown = 0; + return r; +} + +int qemu_shutdown_requested(void) +{ + int r = shutdown_requested; + shutdown_requested = 0; + return r; +} + +int qemu_reset_requested(void) +{ + int r = reset_requested; + reset_requested = 0; + return r; +} + +int qemu_powerdown_requested(void) +{ + int r = powerdown_requested; + powerdown_requested = 0; + return r; +} + +static int qemu_debug_requested(void) +{ + int r = debug_requested; + debug_requested = 0; + return r; +} + +static int qemu_vmstop_requested(void) +{ + int r = vmstop_requested; + vmstop_requested = 0; + return r; +} + +void qemu_register_reset(QEMUResetHandler *func, void *opaque) +{ + QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); + + re->func = func; + re->opaque = opaque; + QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); +} + +void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) +{ + QEMUResetEntry *re; + + QTAILQ_FOREACH(re, &reset_handlers, entry) { + if (re->func == func && re->opaque == opaque) { + QTAILQ_REMOVE(&reset_handlers, re, entry); + qemu_free(re); + return; + } + } +} + +void qemu_system_reset(void) +{ + QEMUResetEntry *re, *nre; + + /* reset all devices */ + 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) +{ + if (no_reboot) { + shutdown_requested = 1; + } else { + reset_requested = 1; + } + if (cpu_single_env) { + cpu_single_env->stopped = 1; + cpu_exit(cpu_single_env); + } + qemu_notify_event(); +} + +void qemu_system_shutdown_request(void) +{ + shutdown_requested = 1; + qemu_notify_event(); +} + +void qemu_system_powerdown_request(void) +{ + powerdown_requested = 1; + qemu_notify_event(); +} + +void main_loop_wait(int nonblocking) +{ + IOHandlerRecord *ioh; + 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); + } + + os_host_main_loop_wait(&timeout); + + /* poll any events */ + /* XXX: separate device handlers from system ones */ + nfds = -1; + FD_ZERO(&rfds); + FD_ZERO(&wfds); + FD_ZERO(&xfds); + QLIST_FOREACH(ioh, &io_handlers, next) { + if (ioh->deleted) + continue; + if (ioh->fd_read && + (!ioh->fd_read_poll || + ioh->fd_read_poll(ioh->opaque) != 0)) { + FD_SET(ioh->fd, &rfds); + if (ioh->fd > nfds) + nfds = ioh->fd; + } + if (ioh->fd_write) { + FD_SET(ioh->fd, &wfds); + if (ioh->fd > nfds) + nfds = ioh->fd; + } + } + + tv.tv_sec = timeout / 1000; + tv.tv_usec = (timeout % 1000) * 1000; + + slirp_select_fill(&nfds, &rfds, &wfds, &xfds); + + qemu_mutex_unlock_iothread(); + ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); + qemu_mutex_lock_iothread(); + if (ret > 0) { + IOHandlerRecord *pioh; + + QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) { + if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { + ioh->fd_read(ioh->opaque); + if (!(ioh->fd_read_poll && ioh->fd_read_poll(ioh->opaque))) + FD_CLR(ioh->fd, &rfds); + } + if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { + ioh->fd_write(ioh->opaque); + } + + /* Do this last in case read/write handlers marked it for deletion */ + if (ioh->deleted) { + QLIST_REMOVE(ioh, next); + qemu_free(ioh); + } + } + } + + slirp_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(); + +} + +static int vm_can_run(void) +{ + if (powerdown_requested) + return 0; + if (reset_requested) + return 0; + if (shutdown_requested) + return 0; + if (debug_requested) + return 0; + return 1; +} + +qemu_irq qemu_system_powerdown; + +static void main_loop(void) +{ + int r; + + if (kvm_enabled()) { + kvm_main_loop(); + cpu_disable_ticks(); + return; + } + + qemu_main_loop_start(); + + for (;;) { + do { + bool nonblocking = false; +#ifdef CONFIG_PROFILER + int64_t ti; +#endif +#ifndef CONFIG_IOTHREAD + nonblocking = cpu_exec_all(); +#endif +#ifdef CONFIG_PROFILER + ti = profile_getclock(); +#endif + main_loop_wait(nonblocking); +#ifdef CONFIG_PROFILER + dev_time += profile_getclock() - ti; +#endif + } while (vm_can_run()); + + if ((r = qemu_debug_requested())) { + vm_stop(r); + } + if (qemu_shutdown_requested()) { + monitor_protocol_event(QEVENT_SHUTDOWN, NULL); + if (no_shutdown) { + vm_stop(0); + no_shutdown = 0; + } else + break; + } + if (qemu_reset_requested()) { + pause_all_vcpus(); + qemu_system_reset(); + resume_all_vcpus(); + } + if (qemu_powerdown_requested()) { + monitor_protocol_event(QEVENT_POWERDOWN, NULL); + qemu_irq_raise(qemu_system_powerdown); + } + if ((r = qemu_vmstop_requested())) { + vm_stop(r); + } + } + bdrv_close_all(); + pause_all_vcpus(); +} + +static void version(void) +{ + 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, 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" + "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); + exit(exitcode); +} + +#define HAS_ARG 0x0001 + +typedef struct QEMUOption { + const char *name; + int flags; + int index; + uint32_t arch_mask; +} QEMUOption; + +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 + { NULL }, +}; +static void select_vgahw (const char *p) +{ + const char *opts; + + default_vga = 0; + vga_interface_type = VGA_NONE; + if (strstart(p, "std", &opts)) { + vga_interface_type = VGA_STD; + } else if (strstart(p, "cirrus", &opts)) { + vga_interface_type = VGA_CIRRUS; + } else if (strstart(p, "vmware", &opts)) { + vga_interface_type = VGA_VMWARE; + } else if (strstart(p, "xenfb", &opts)) { + vga_interface_type = VGA_XENFB; + } else if (strstart(p, "qxl", &opts)) { + vga_interface_type = VGA_QXL; + } else if (!strstart(p, "none", &opts)) { + invalid_vga: + fprintf(stderr, "Unknown vga type: %s\n", p); + exit(1); + } + while (*opts) { + const char *nextopt; + + if (strstart(opts, ",retrace=", &nextopt)) { + opts = nextopt; + if (strstart(opts, "dumb", &nextopt)) + vga_retrace_method = VGA_RETRACE_DUMB; + else if (strstart(opts, "precise", &nextopt)) + vga_retrace_method = VGA_RETRACE_PRECISE; + else goto invalid_vga; + } else goto invalid_vga; + opts = nextopt; + } +} + +static int balloon_parse(const char *arg) +{ + QemuOpts *opts; + + if (strcmp(arg, "none") == 0) { + return 0; + } + + if (!strncmp(arg, "virtio", 6)) { + if (arg[6] == ',') { + /* have params -> parse them */ + opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0); + if (!opts) + return -1; + } else { + /* create empty opts */ + opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0); + } + qemu_opt_set(opts, "driver", "virtio-balloon-pci"); + return 0; + } + + return -1; +} + +char *qemu_find_file(int type, const char *name) +{ + int len; + const char *subdir; + char *buf; + + /* If name contains path separators then try it as a straight path. */ + if ((strchr(name, '/') || strchr(name, '\\')) + && access(name, R_OK) == 0) { + return qemu_strdup(name); + } + switch (type) { + case QEMU_FILE_TYPE_BIOS: + subdir = ""; + break; + case QEMU_FILE_TYPE_KEYMAP: + subdir = "keymaps/"; + break; + default: + abort(); + } + len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2; + buf = qemu_mallocz(len); + snprintf(buf, len, "%s/%s%s", data_dir, subdir, name); + if (access(buf, R_OK)) { + qemu_free(buf); + return NULL; + } + return buf; +} + +static int device_help_func(QemuOpts *opts, void *opaque) +{ + return qdev_device_help(opts); +} + +static int device_init_func(QemuOpts *opts, void *opaque) +{ + DeviceState *dev; + + dev = qdev_device_add(opts); + if (!dev) + return -1; + return 0; +} + +static int chardev_init_func(QemuOpts *opts, void *opaque) +{ + CharDriverState *chr; + + chr = qemu_chr_open_opts(opts, NULL); + if (!chr) + return -1; + return 0; +} + +#ifdef CONFIG_VIRTFS +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; + const char *chardev; + const char *mode; + int flags; + + mode = qemu_opt_get(opts, "mode"); + if (mode == NULL) { + mode = "readline"; + } + if (strcmp(mode, "readline") == 0) { + flags = MONITOR_USE_READLINE; + } else if (strcmp(mode, "control") == 0) { + flags = MONITOR_USE_CONTROL; + } else { + fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); + exit(1); + } + + if (qemu_opt_get_bool(opts, "pretty", 0)) + flags |= MONITOR_USE_PRETTY; + + if (qemu_opt_get_bool(opts, "default", 0)) + flags |= MONITOR_IS_DEFAULT; + + chardev = qemu_opt_get(opts, "chardev"); + chr = qemu_chr_find(chardev); + if (chr == NULL) { + fprintf(stderr, "chardev \"%s\" not found\n", chardev); + exit(1); + } + + monitor_init(chr, flags); + return 0; +} + +static void monitor_parse(const char *optarg, const char *mode) +{ + static int monitor_device_index = 0; + QemuOpts *opts; + const char *p; + char label[32]; + int def = 0; + + if (strstart(optarg, "chardev:", &p)) { + snprintf(label, sizeof(label), "%s", p); + } else { + snprintf(label, sizeof(label), "compat_monitor%d", + monitor_device_index); + if (monitor_device_index == 0) { + def = 1; + } + opts = qemu_chr_parse_compat(label, optarg); + if (!opts) { + fprintf(stderr, "parse error: %s\n", optarg); + exit(1); + } + } + + opts = qemu_opts_create(qemu_find_opts("mon"), label, 1); + if (!opts) { + fprintf(stderr, "duplicate chardev: %s\n", label); + exit(1); + } + qemu_opt_set(opts, "mode", mode); + qemu_opt_set(opts, "chardev", label); + if (def) + qemu_opt_set(opts, "default", "on"); + monitor_device_index++; +} + +struct device_config { + enum { + DEV_USB, /* -usbdevice */ + DEV_BT, /* -bt */ + DEV_SERIAL, /* -serial */ + DEV_PARALLEL, /* -parallel */ + DEV_VIRTCON, /* -virtioconsole */ + DEV_DEBUGCON, /* -debugcon */ + } type; + const char *cmdline; + QTAILQ_ENTRY(device_config) next; +}; +QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs); + +static void add_device_config(int type, const char *cmdline) +{ + struct device_config *conf; + + conf = qemu_mallocz(sizeof(*conf)); + conf->type = type; + conf->cmdline = cmdline; + QTAILQ_INSERT_TAIL(&device_configs, conf, next); +} + +static int foreach_device_config(int type, int (*func)(const char *cmdline)) +{ + struct device_config *conf; + int rc; + + QTAILQ_FOREACH(conf, &device_configs, next) { + if (conf->type != type) + continue; + rc = func(conf->cmdline); + if (0 != rc) + return rc; + } + return 0; +} + +static int serial_parse(const char *devname) +{ + static int index = 0; + char label[32]; + + if (strcmp(devname, "none") == 0) + return 0; + if (index == MAX_SERIAL_PORTS) { + fprintf(stderr, "qemu: too many serial ports\n"); + exit(1); + } + snprintf(label, sizeof(label), "serial%d", index); + serial_hds[index] = qemu_chr_open(label, devname, NULL); + if (!serial_hds[index]) { + fprintf(stderr, "qemu: could not open serial device '%s': %s\n", + devname, strerror(errno)); + return -1; + } + index++; + return 0; +} + +static int parallel_parse(const char *devname) +{ + static int index = 0; + char label[32]; + + if (strcmp(devname, "none") == 0) + return 0; + if (index == MAX_PARALLEL_PORTS) { + fprintf(stderr, "qemu: too many parallel ports\n"); + exit(1); + } + snprintf(label, sizeof(label), "parallel%d", index); + parallel_hds[index] = qemu_chr_open(label, devname, NULL); + if (!parallel_hds[index]) { + fprintf(stderr, "qemu: could not open parallel device '%s': %s\n", + devname, strerror(errno)); + return -1; + } + index++; + return 0; +} + +static int virtcon_parse(const char *devname) +{ + QemuOptsList *device = qemu_find_opts("device"); + static int index = 0; + char label[32]; + QemuOpts *bus_opts, *dev_opts; + + if (strcmp(devname, "none") == 0) + return 0; + if (index == MAX_VIRTIO_CONSOLES) { + fprintf(stderr, "qemu: too many virtio consoles\n"); + exit(1); + } + + bus_opts = qemu_opts_create(device, NULL, 0); + qemu_opt_set(bus_opts, "driver", "virtio-serial"); + + dev_opts = qemu_opts_create(device, NULL, 0); + qemu_opt_set(dev_opts, "driver", "virtconsole"); + + snprintf(label, sizeof(label), "virtcon%d", index); + virtcon_hds[index] = qemu_chr_open(label, devname, NULL); + if (!virtcon_hds[index]) { + fprintf(stderr, "qemu: could not open virtio console '%s': %s\n", + devname, strerror(errno)); + return -1; + } + qemu_opt_set(dev_opts, "chardev", label); + + index++; + return 0; +} + +static int debugcon_parse(const char *devname) +{ + QemuOpts *opts; + + if (!qemu_chr_open("debugcon", devname, NULL)) { + exit(1); + } + opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1); + if (!opts) { + fprintf(stderr, "qemu: already have a debugcon device\n"); + exit(1); + } + qemu_opt_set(opts, "driver", "isa-debugcon"); + qemu_opt_set(opts, "chardev", "debugcon"); + return 0; +} + +void qemu_add_exit_notifier(Notifier *notify) +{ + notifier_list_add(&exit_notifiers, notify); +} + +void qemu_remove_exit_notifier(Notifier *notify) +{ + notifier_list_remove(&exit_notifiers, notify); +} + +static void qemu_run_exit_notifiers(void) +{ + notifier_list_notify(&exit_notifiers); +} + +void qemu_add_machine_init_done_notifier(Notifier *notify) +{ + notifier_list_add(&machine_init_done_notifiers, notify); +} + +static void qemu_run_machine_init_done_notifiers(void) +{ + notifier_list_notify(&machine_init_done_notifiers); +} + +static const QEMUOption *lookup_opt(int argc, char **argv, + const char **poptarg, int *poptind) +{ + const QEMUOption *popt; + int optind = *poptind; + char *r = argv[optind]; + const char *optarg; + + loc_set_cmdline(argv, optind, 1); + optind++; + /* Treat --foo the same as -foo. */ + if (r[1] == '-') + r++; + popt = qemu_options; + for(;;) { + if (!popt->name) { + error_report("invalid option"); + exit(1); + } + if (!strcmp(popt->name, r + 1)) + break; + popt++; + } + if (popt->flags & HAS_ARG) { + if (optind >= argc) { + error_report("requires an argument"); + exit(1); + } + optarg = argv[optind++]; + loc_set_cmdline(argv, optind - 2, 2); + } else { + optarg = NULL; + } + + *poptarg = optarg; + *poptind = optind; + + return popt; +} + +int main(int argc, char **argv, char **envp) +{ + const char *gdbstub_dev = NULL; + int i; + 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 */ + DisplayState *ds; + DisplayChangeListener *dcl; + int cyls, heads, secs, translation; + QemuOpts *hda_opts = NULL, *opts; + QemuOptsList *olist; + int optind; + const char *optarg; + const char *loadvm = NULL; + QEMUMachine *machine; + const char *cpu_model; + int tb_size; + const char *pid_file = NULL; + const char *incoming = NULL; + int show_vnc_port = 0; + int defconfig = 1; + +#ifdef CONFIG_SIMPLE_TRACE + const char *trace_file = NULL; +#endif + atexit(qemu_run_exit_notifiers); + error_set_progname(argv[0]); + + init_clocks(); + + qemu_cache_utils_init(envp); + + QLIST_INIT (&vm_change_state_head); + os_setup_early_signal_handling(); + + module_call_init(MODULE_INIT_MACHINE); + machine = find_default_machine(); + cpu_model = NULL; + initrd_filename = NULL; + ram_size = 0; + snapshot = 0; + kernel_filename = NULL; + kernel_cmdline = ""; + cyls = heads = secs = 0; + translation = BIOS_ATA_TRANSLATION_AUTO; + + for (i = 0; i < MAX_NODES; i++) { + node_mem[i] = 0; + node_cpumask[i] = 0; + } + + nb_numa_nodes = 0; + nb_nics = 0; + + tb_size = 0; + autostart= 1; + + /* first pass of option parsing */ + optind = 1; + while (optind < argc) { + if (argv[optind][0] != '-') { + /* disk image */ + optind++; + continue; + } else { + const QEMUOption *popt; + + popt = lookup_opt(argc, argv, &optarg, &optind); + switch (popt->index) { + case QEMU_OPTION_nodefconfig: + defconfig=0; + break; + } + } + } + + if (defconfig) { + int ret; + + ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf"); + if (ret < 0 && ret != -ENOENT) { + exit(1); + } + + ret = qemu_read_config_file(arch_config_name); + if (ret < 0 && ret != -ENOENT) { + exit(1); + } + } + cpudef_init(); + + /* second pass of option parsing */ + optind = 1; + for(;;) { + if (optind >= argc) + break; + if (argv[optind][0] != '-') { + hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); + } else { + 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); + if (!machine) { + QEMUMachine *m; + printf("Supported machines are:\n"); + for(m = first_machine; m != NULL; m = m->next) { + if (m->alias) + printf("%-10s %s (alias of %s)\n", + m->alias, m->desc, m->name); + printf("%-10s %s%s\n", + m->name, m->desc, + m->is_default ? " (default)" : ""); + } + exit(*optarg != '?'); + } + break; + case QEMU_OPTION_cpu: + /* hw initialization will check this */ + if (*optarg == '?') { + list_cpus(stdout, &fprintf, optarg); + exit(0); + } else { + cpu_model = optarg; + } + break; + case QEMU_OPTION_initrd: + initrd_filename = optarg; + break; + case QEMU_OPTION_hda: + { + char buf[256]; + if (cyls == 0) + snprintf(buf, sizeof(buf), "%s", HD_OPTS); + else + snprintf(buf, sizeof(buf), + "%s,cyls=%d,heads=%d,secs=%d%s", + HD_OPTS , cyls, heads, secs, + translation == BIOS_ATA_TRANSLATION_LBA ? + ",trans=lba" : + translation == BIOS_ATA_TRANSLATION_NONE ? + ",trans=none" : ""); + drive_add(IF_DEFAULT, 0, optarg, buf); + break; + } + case QEMU_OPTION_hdb: + case QEMU_OPTION_hdc: + case QEMU_OPTION_hdd: + drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, + HD_OPTS); + break; + case QEMU_OPTION_drive: + if (drive_def(optarg) == NULL) { + exit(1); + } + break; + case QEMU_OPTION_set: + if (qemu_set_option(optarg) != 0) + exit(1); + break; + case QEMU_OPTION_global: + if (qemu_global_option(optarg) != 0) + exit(1); + break; + case QEMU_OPTION_mtdblock: + drive_add(IF_MTD, -1, optarg, MTD_OPTS); + break; + case QEMU_OPTION_sd: + drive_add(IF_SD, 0, optarg, SD_OPTS); + break; + case QEMU_OPTION_pflash: + drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); + break; + case QEMU_OPTION_snapshot: + snapshot = 1; + break; + case QEMU_OPTION_hdachs: + { + const char *p; + p = optarg; + cyls = strtol(p, (char **)&p, 0); + if (cyls < 1 || cyls > 16383) + goto chs_fail; + if (*p != ',') + goto chs_fail; + p++; + heads = strtol(p, (char **)&p, 0); + if (heads < 1 || heads > 16) + goto chs_fail; + if (*p != ',') + goto chs_fail; + p++; + secs = strtol(p, (char **)&p, 0); + if (secs < 1 || secs > 63) + goto chs_fail; + if (*p == ',') { + p++; + if (!strcmp(p, "none")) + translation = BIOS_ATA_TRANSLATION_NONE; + else if (!strcmp(p, "lba")) + translation = BIOS_ATA_TRANSLATION_LBA; + else if (!strcmp(p, "auto")) + translation = BIOS_ATA_TRANSLATION_AUTO; + else + goto chs_fail; + } else if (*p != '\0') { + chs_fail: + fprintf(stderr, "qemu: invalid physical CHS format\n"); + exit(1); + } + if (hda_opts != NULL) { + char num[16]; + snprintf(num, sizeof(num), "%d", cyls); + qemu_opt_set(hda_opts, "cyls", num); + snprintf(num, sizeof(num), "%d", heads); + qemu_opt_set(hda_opts, "heads", num); + snprintf(num, sizeof(num), "%d", secs); + qemu_opt_set(hda_opts, "secs", num); + if (translation == BIOS_ATA_TRANSLATION_LBA) + qemu_opt_set(hda_opts, "trans", "lba"); + if (translation == BIOS_ATA_TRANSLATION_NONE) + qemu_opt_set(hda_opts, "trans", "none"); + } + } + break; + case QEMU_OPTION_numa: + if (nb_numa_nodes >= MAX_NODES) { + fprintf(stderr, "qemu: too many NUMA nodes\n"); + exit(1); + } + numa_add(optarg); + break; + case QEMU_OPTION_nographic: + display_type = DT_NOGRAPHIC; + break; +#ifdef CONFIG_CURSES + case QEMU_OPTION_curses: + display_type = DT_CURSES; + break; +#endif + case QEMU_OPTION_portrait: + graphic_rotate = 1; + break; + case QEMU_OPTION_kernel: + kernel_filename = optarg; + break; + case QEMU_OPTION_append: + kernel_cmdline = optarg; + break; + case QEMU_OPTION_cdrom: + drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); + break; + case QEMU_OPTION_boot: + { + static const char * const params[] = { + "order", "once", "menu", NULL + }; + char buf[sizeof(boot_devices)]; + char *standard_boot_devices; + int legacy = 0; + + if (!strchr(optarg, '=')) { + legacy = 1; + pstrcpy(buf, sizeof(buf), optarg); + } else if (check_params(buf, sizeof(buf), params, optarg) < 0) { + fprintf(stderr, + "qemu: unknown boot parameter '%s' in '%s'\n", + buf, optarg); + exit(1); + } + + if (legacy || + get_param_value(buf, sizeof(buf), "order", optarg)) { + validate_bootdevices(buf); + pstrcpy(boot_devices, sizeof(boot_devices), buf); + } + if (!legacy) { + if (get_param_value(buf, sizeof(buf), + "once", optarg)) { + validate_bootdevices(buf); + standard_boot_devices = qemu_strdup(boot_devices); + pstrcpy(boot_devices, sizeof(boot_devices), buf); + qemu_register_reset(restore_boot_devices, + standard_boot_devices); + } + if (get_param_value(buf, sizeof(buf), + "menu", optarg)) { + if (!strcmp(buf, "on")) { + boot_menu = 1; + } else if (!strcmp(buf, "off")) { + boot_menu = 0; + } else { + fprintf(stderr, + "qemu: invalid option value '%s'\n", + buf); + exit(1); + } + } + } + } + break; + case QEMU_OPTION_fda: + case QEMU_OPTION_fdb: + drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, + optarg, FD_OPTS); + break; + case QEMU_OPTION_no_fd_bootchk: + fd_bootchk = 0; + break; + case QEMU_OPTION_netdev: + if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { + exit(1); + } + break; + case QEMU_OPTION_net: + if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { + exit(1); + } + break; +#ifdef CONFIG_SLIRP + case QEMU_OPTION_tftp: + legacy_tftp_prefix = optarg; + break; + case QEMU_OPTION_bootp: + legacy_bootp_filename = optarg; + break; + case QEMU_OPTION_redir: + if (net_slirp_redir(optarg) < 0) + exit(1); + break; +#endif + case QEMU_OPTION_bt: + add_device_config(DEV_BT, optarg); + break; + 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; + case QEMU_OPTION_h: + help(0); + break; + case QEMU_OPTION_version: + version(); + exit(0); + break; + case QEMU_OPTION_m: { + int64_t value; + + value = strtosz(optarg, NULL); + if (value < 0) { + fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); + exit(1); + } + + /* On 32-bit hosts, QEMU is limited by virtual address space */ + if (value > (2047 << 20) && HOST_LONG_BITS == 32) { + fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); + exit(1); + } + if (value != (uint64_t)(ram_addr_t)value) { + fprintf(stderr, "qemu: ram size too large\n"); + exit(1); + } + 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: + set_cpu_log(optarg); + break; + case QEMU_OPTION_s: + gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT; + break; + case QEMU_OPTION_gdb: + gdbstub_dev = optarg; + break; + case QEMU_OPTION_L: + data_dir = optarg; + break; + case QEMU_OPTION_bios: + bios_name = optarg; + break; + case QEMU_OPTION_singlestep: + singlestep = 1; + break; + case QEMU_OPTION_S: + autostart = 0; + break; + case QEMU_OPTION_k: + keyboard_layout = optarg; + break; + case QEMU_OPTION_localtime: + rtc_utc = 0; + break; + case QEMU_OPTION_vga: + select_vgahw (optarg); + break; + case QEMU_OPTION_g: + { + const char *p; + int w, h, depth; + p = optarg; + w = strtol(p, (char **)&p, 10); + if (w <= 0) { + graphic_error: + fprintf(stderr, "qemu: invalid resolution or depth\n"); + exit(1); + } + if (*p != 'x') + goto graphic_error; + p++; + h = strtol(p, (char **)&p, 10); + if (h <= 0) + goto graphic_error; + if (*p == 'x') { + p++; + depth = strtol(p, (char **)&p, 10); + if (depth != 8 && depth != 15 && depth != 16 && + depth != 24 && depth != 32) + goto graphic_error; + } else if (*p == '\0') { + depth = graphic_depth; + } else { + goto graphic_error; + } + + graphic_width = w; + graphic_height = h; + graphic_depth = depth; + } + break; + case QEMU_OPTION_echr: + { + char *r; + term_escape_char = strtol(optarg, &r, 0); + if (r == optarg) + printf("Bad argument to echr\n"); + break; + } + case QEMU_OPTION_monitor: + monitor_parse(optarg, "readline"); + default_monitor = 0; + break; + case QEMU_OPTION_qmp: + monitor_parse(optarg, "control"); + default_monitor = 0; + break; + case QEMU_OPTION_mon: + opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1); + if (!opts) { + exit(1); + } + default_monitor = 0; + break; + case QEMU_OPTION_chardev: + opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1); + if (!opts) { + exit(1); + } + break; + case QEMU_OPTION_fsdev: + olist = qemu_find_opts("fsdev"); + if (!olist) { + fprintf(stderr, "fsdev is not supported by this qemu build.\n"); + exit(1); + } + opts = qemu_opts_parse(olist, 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; + + olist = qemu_find_opts("virtfs"); + if (!olist) { + fprintf(stderr, "virtfs is not supported by this qemu build.\n"); + exit(1); + } + opts = qemu_opts_parse(olist, optarg, 1); + if (!opts) { + fprintf(stderr, "parse error: %s\n", optarg); + exit(1); + } + + if (qemu_opt_get(opts, "fstype") == 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]," + "mnt_tag=tag.\n"); + exit(1); + } + + len = strlen(",id=,path=,security_model="); + len += strlen(qemu_opt_get(opts, "fstype")); + len += strlen(qemu_opt_get(opts, "mount_tag")); + len += strlen(qemu_opt_get(opts, "path")); + len += strlen(qemu_opt_get(opts, "security_model")); + arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev)); + + snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev), + "%s,id=%s,path=%s,security_model=%s", + qemu_opt_get(opts, "fstype"), + qemu_opt_get(opts, "mount_tag"), + qemu_opt_get(opts, "path"), + qemu_opt_get(opts, "security_model")); + + 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)); + + snprintf(arg_9p, (len + 1) * sizeof(*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_find_opts("fsdev"), arg_fsdev, 1)) { + fprintf(stderr, "parse error [fsdev]: %s\n", optarg); + exit(1); + } + + if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) { + fprintf(stderr, "parse error [device]: %s\n", optarg); + exit(1); + } + + qemu_free(arg_fsdev); + qemu_free(arg_9p); + break; + } + 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) { + fprintf(stderr, + "qemu: only one watchdog option may be given\n"); + return 1; + } + watchdog = optarg; + break; + case QEMU_OPTION_watchdog_action: + if (select_watchdog_action(optarg) == -1) { + fprintf(stderr, "Unknown -watchdog-action parameter\n"); + exit(1); + } + break; + case QEMU_OPTION_virtiocon: + 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); + break; + case QEMU_OPTION_loadvm: + loadvm = optarg; + break; + case QEMU_OPTION_full_screen: + full_screen = 1; + break; +#ifdef CONFIG_SDL + case QEMU_OPTION_no_frame: + no_frame = 1; + break; + case QEMU_OPTION_alt_grab: + alt_grab = 1; + break; + case QEMU_OPTION_ctrl_grab: + ctrl_grab = 1; + break; + case QEMU_OPTION_no_quit: + no_quit = 1; + break; + case QEMU_OPTION_sdl: + display_type = DT_SDL; + break; +#endif + case QEMU_OPTION_pidfile: + pid_file = optarg; + break; + case QEMU_OPTION_win2k_hack: + win2k_install_hack = 1; + break; + case QEMU_OPTION_rtc_td_hack: + rtc_td_hack = 1; + break; + case QEMU_OPTION_acpitable: + do_acpitable_option(optarg); + break; + case QEMU_OPTION_smbios: + do_smbios_option(optarg); + break; + case QEMU_OPTION_enable_kvm: + kvm_allowed = 1; + break; + case QEMU_OPTION_no_kvm: + kvm_allowed = 0; +#ifdef CONFIG_NO_CPU_EMULATION + fprintf(stderr, "cpu emulation not configured\n"); + exit(1); +#endif + break; +#ifdef CONFIG_KVM + case QEMU_OPTION_no_kvm_irqchip: { + kvm_irqchip = 0; + kvm_pit = 0; + break; + } + case QEMU_OPTION_no_kvm_pit: { + kvm_pit = 0; + break; + } + case QEMU_OPTION_no_kvm_pit_reinjection: { + kvm_pit_reinject = 0; + break; + } + case QEMU_OPTION_enable_nesting: { + kvm_nested = 1; + break; + } +#endif + case QEMU_OPTION_usb: + usb_enabled = 1; + break; + case QEMU_OPTION_usbdevice: + usb_enabled = 1; + add_device_config(DEV_USB, optarg); + break; + case QEMU_OPTION_device: + if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) { + exit(1); + } + break; + case QEMU_OPTION_smp: + smp_parse(optarg); + if (smp_cpus < 1) { + fprintf(stderr, "Invalid number of CPUs\n"); + exit(1); + } + if (max_cpus < smp_cpus) { + fprintf(stderr, "maxcpus must be equal to or greater than " + "smp\n"); + exit(1); + } + if (max_cpus > 255) { + fprintf(stderr, "Unsupported number of maxcpus\n"); + exit(1); + } + break; + case QEMU_OPTION_vnc: + display_remote++; + vnc_display = optarg; + break; + case QEMU_OPTION_no_acpi: + acpi_enabled = 0; + break; + case QEMU_OPTION_no_hpet: + no_hpet = 1; + break; + case QEMU_OPTION_balloon: + if (balloon_parse(optarg) < 0) { + fprintf(stderr, "Unknown -balloon argument %s\n", optarg); + exit(1); + } + break; + case QEMU_OPTION_no_reboot: + no_reboot = 1; + break; + case QEMU_OPTION_no_shutdown: + no_shutdown = 1; + break; + case QEMU_OPTION_show_cursor: + cursor_hide = 0; + break; + case QEMU_OPTION_uuid: + if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { + fprintf(stderr, "Fail to parse UUID string." + " Wrong format.\n"); + exit(1); + } + break; + case QEMU_OPTION_option_rom: + if (nb_option_roms >= MAX_OPTION_ROMS) { + fprintf(stderr, "Too many option ROMs\n"); + exit(1); + } + opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1); + option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); + option_rom[nb_option_roms].bootindex = + qemu_opt_get_number(opts, "bootindex", -1); + if (!option_rom[nb_option_roms].name) { + fprintf(stderr, "Option ROM file is not specified\n"); + exit(1); + } + nb_option_roms++; + break; + case QEMU_OPTION_semihosting: + semihosting_enabled = 1; + break; + case QEMU_OPTION_tdf: + time_drift_fix = 1; + break; + case QEMU_OPTION_kvm_shadow_memory: + kvm_shadow_memory = (int64_t)atoi(optarg) * 1024 * 1024 / 4096; + break; + case QEMU_OPTION_name: + qemu_name = qemu_strdup(optarg); + { + char *p = strchr(qemu_name, ','); + if (p != NULL) { + *p++ = 0; + if (strncmp(p, "process=", 8)) { + fprintf(stderr, "Unknown subargument %s to -name\n", p); + exit(1); + } + p += 8; + os_set_proc_name(p); + } + } + break; + case QEMU_OPTION_prom_env: + if (nb_prom_envs >= MAX_PROM_ENVS) { + fprintf(stderr, "Too many prom variables\n"); + exit(1); + } + prom_envs[nb_prom_envs] = optarg; + nb_prom_envs++; + break; + case QEMU_OPTION_old_param: + old_param = 1; + break; + case QEMU_OPTION_clock: + configure_alarms(optarg); + break; + case QEMU_OPTION_startdate: + configure_rtc_date_offset(optarg, 1); + break; + case QEMU_OPTION_rtc: + opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0); + if (!opts) { + exit(1); + } + configure_rtc(opts); + break; + case QEMU_OPTION_tb_size: + tb_size = strtol(optarg, NULL, 0); + if (tb_size < 0) + tb_size = 0; + break; + case QEMU_OPTION_icount: + icount_option = optarg; + break; + case QEMU_OPTION_incoming: + incoming = optarg; + incoming_expected = true; + break; + case QEMU_OPTION_nodefaults: + default_serial = 0; + default_parallel = 0; + default_virtcon = 0; + default_monitor = 0; + default_vga = 0; + default_net = 0; + default_floppy = 0; + default_cdrom = 0; + default_sdcard = 0; + break; +#ifndef _WIN32 + case QEMU_OPTION_nvram: + nvram = optarg; + break; +#endif + 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; +#ifdef CONFIG_SIMPLE_TRACE + case QEMU_OPTION_trace: + opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0); + if (opts) { + trace_file = qemu_opt_get(opts, "file"); + } + break; +#endif + case QEMU_OPTION_readconfig: + { + int ret = qemu_read_config_file(optarg); + if (ret < 0) { + fprintf(stderr, "read config %s: %s\n", optarg, + strerror(-ret)); + exit(1); + } + break; + } + case QEMU_OPTION_spice: + olist = qemu_find_opts("spice"); + if (!olist) { + fprintf(stderr, "spice is not supported by this qemu build.\n"); + exit(1); + } + opts = qemu_opts_parse(olist, optarg, 0); + if (!opts) { + fprintf(stderr, "parse error: %s\n", optarg); + exit(1); + } + break; + case QEMU_OPTION_writeconfig: + { + FILE *fp; + if (strcmp(optarg, "-") == 0) { + fp = stdout; + } else { + fp = fopen(optarg, "w"); + if (fp == NULL) { + fprintf(stderr, "open %s: %s\n", optarg, strerror(errno)); + exit(1); + } + } + qemu_config_write(fp); + fclose(fp); + break; + } + default: + os_parse_cmd_args(popt->index, optarg); + } + } + } + loc_set_none(); + + /* If no data_dir is specified then try to find it relative to the + executable path. */ + if (!data_dir) { + data_dir = os_find_datadir(argv[0]); + } + /* If all else fails use the install patch specified when building. */ + if (!data_dir) { + data_dir = CONFIG_QEMU_DATADIR; + } + +#ifdef CONFIG_SIMPLE_TRACE + /* + * Set the trace file name, if specified. + */ + st_set_trace_file(trace_file); +#endif + /* + * Default to max_cpus = smp_cpus, in case the user doesn't + * specify a max_cpus value. + */ + if (!max_cpus) + max_cpus = smp_cpus; + + machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ + if (smp_cpus > machine->max_cpus) { + fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " + "supported by machine `%s' (%d)\n", smp_cpus, machine->name, + machine->max_cpus); + exit(1); + } + + qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0); + qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0); + + if (machine->no_serial) { + default_serial = 0; + } + if (machine->no_parallel) { + default_parallel = 0; + } + if (!machine->use_virtcon) { + default_virtcon = 0; + } + if (machine->no_vga) { + default_vga = 0; + } + if (machine->no_floppy) { + default_floppy = 0; + } + if (machine->no_cdrom) { + default_cdrom = 0; + } + if (machine->no_sdcard) { + default_sdcard = 0; + } + + if (display_type == DT_NOGRAPHIC) { + if (default_parallel) + add_device_config(DEV_PARALLEL, "null"); + if (default_serial && default_monitor) { + add_device_config(DEV_SERIAL, "mon:stdio"); + } else if (default_virtcon && default_monitor) { + add_device_config(DEV_VIRTCON, "mon:stdio"); + } else { + if (default_serial) + add_device_config(DEV_SERIAL, "stdio"); + if (default_virtcon) + add_device_config(DEV_VIRTCON, "stdio"); + if (default_monitor) + monitor_parse("stdio", "readline"); + } + } else { + if (default_serial) + add_device_config(DEV_SERIAL, "vc:80Cx24C"); + if (default_parallel) + add_device_config(DEV_PARALLEL, "vc:80Cx24C"); + if (default_monitor) + monitor_parse("vc:80Cx24C", "readline"); + if (default_virtcon) + add_device_config(DEV_VIRTCON, "vc:80Cx24C"); + } + if (default_vga) + vga_interface_type = VGA_CIRRUS; + + socket_init(); + + if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0) + exit(1); +#ifdef CONFIG_VIRTFS + if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) { + exit(1); + } +#endif + + os_daemonize(); + + if (pid_file && qemu_create_pidfile(pid_file) != 0) { + os_pidfile_error(); + exit(1); + } + + if (kvm_allowed) { + int ret = kvm_init(); + if (ret < 0) { + if (kvm_allowed > 0) { + 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 KVM, will disable KVM support\n"); + } + kvm_allowed = ret >= 0; + } + + if (qemu_init_main_loop()) { + fprintf(stderr, "qemu_init_main_loop failed\n"); + exit(1); + } + linux_boot = (kernel_filename != NULL); + + if (!linux_boot && *kernel_cmdline != '\0') { + fprintf(stderr, "-append only allowed with -kernel option\n"); + exit(1); + } + + if (!linux_boot && initrd_filename != NULL) { + fprintf(stderr, "-initrd only allowed with -kernel option\n"); + exit(1); + } + + os_set_line_buffering(); + + if (init_timer_alarm() < 0) { + fprintf(stderr, "could not initialize alarm timer\n"); + exit(1); + } + configure_icount(icount_option); + + if (net_init_clients() < 0) { + exit(1); + } + + /* init the bluetooth world */ + if (foreach_device_config(DEV_BT, bt_parse)) + exit(1); + + /* init the memory */ + if (ram_size == 0) + ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; + + /* init the dynamic translator */ + cpu_exec_init_all(tb_size * 1024 * 1024); + + bdrv_init_with_whitelist(); + + blk_mig_init(); + + /* open the virtual block devices */ + if (snapshot) + qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0); + if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0) + exit(1); + + default_drive(default_cdrom, snapshot, machine->use_scsi, + IF_DEFAULT, 2, CDROM_OPTS); + default_drive(default_floppy, snapshot, machine->use_scsi, + IF_FLOPPY, 0, FD_OPTS); + default_drive(default_sdcard, snapshot, machine->use_scsi, + IF_SD, 0, SD_OPTS); + + register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL, + ram_load, NULL); + + if (nb_numa_nodes > 0) { + int i; + + if (nb_numa_nodes > smp_cpus) { + nb_numa_nodes = smp_cpus; + } + + /* If no memory size if given for any node, assume the default case + * and distribute the available memory equally across all nodes + */ + for (i = 0; i < nb_numa_nodes; i++) { + if (node_mem[i] != 0) + break; + } + if (i == nb_numa_nodes) { + uint64_t usedmem = 0; + + /* On Linux, the each node's border has to be 8MB aligned, + * the final node gets the rest. + */ + for (i = 0; i < nb_numa_nodes - 1; i++) { + node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); + usedmem += node_mem[i]; + } + node_mem[i] = ram_size - usedmem; + } + + for (i = 0; i < nb_numa_nodes; i++) { + if (node_cpumask[i] != 0) + break; + } + /* assigning the VCPUs round-robin is easier to implement, guest OSes + * must cope with this anyway, because there are BIOSes out there in + * real machines which also use this scheme. + */ + if (i == nb_numa_nodes) { + for (i = 0; i < smp_cpus; i++) { + node_cpumask[i % nb_numa_nodes] |= 1 << i; + } + } + } + + if (qemu_opts_foreach(qemu_find_opts("mon"), 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) + exit(1); + if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0) + exit(1); + if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) + exit(1); + + module_call_init(MODULE_INIT_DEVICE); + + if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0) + exit(0); + + if (watchdog) { + i = select_watchdog(watchdog); + if (i > 0) + exit (i == 1 ? 1 : 0); + } + + if (machine->compat_props) { + qdev_prop_register_global_list(machine->compat_props); + } + qemu_add_globals(); + + machine->init(ram_size, boot_devices, + kernel_filename, kernel_cmdline, initrd_filename, cpu_model); + + cpu_synchronize_all_post_init(); + + /* must be after terminal init, SDL library changes signal handlers */ + os_setup_signal_handling(); + + set_numa_modes(); + + current_machine = machine; + + /* init USB devices */ + if (usb_enabled) { + if (foreach_device_config(DEV_USB, usb_parse) < 0) + exit(1); + } + + /* init generic devices */ + if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0) + exit(1); + + net_check_clients(); + + /* just use the first displaystate for the moment */ + ds = get_displaystate(); + + if (using_spice) + display_remote++; + if (display_type == DT_DEFAULT && !display_remote) { +#if defined(CONFIG_SDL) || defined(CONFIG_COCOA) + display_type = DT_SDL; +#else + vnc_display = "localhost:0,to=99"; + show_vnc_port = 1; +#endif + } + + + /* init local displays */ + switch (display_type) { + case DT_NOGRAPHIC: + break; +#if defined(CONFIG_CURSES) + case DT_CURSES: + curses_display_init(ds, full_screen); + break; +#endif +#if defined(CONFIG_SDL) + case DT_SDL: + sdl_display_init(ds, full_screen, no_frame); + break; +#elif defined(CONFIG_COCOA) + case DT_SDL: + cocoa_display_init(ds, full_screen); + break; +#endif + default: + break; + } + + /* init remote displays */ + if (vnc_display) { + vnc_display_init(ds); + if (vnc_display_open(ds, vnc_display) < 0) + exit(1); + + if (show_vnc_port) { + printf("VNC server running on `%s'\n", vnc_display_local_addr(ds)); + } + } +#ifdef CONFIG_SPICE + if (using_spice && !qxl_enabled) { + qemu_spice_display_init(ds); + } +#endif + + /* display setup */ + dpy_resize(ds); + dcl = ds->listeners; + while (dcl != NULL) { + if (dcl->dpy_refresh != NULL) { + ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds); + qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock)); + break; + } + dcl = dcl->next; + } + if (ds->gui_timer == NULL) { + nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL); + qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock)); + } + text_consoles_set_display(ds); + + if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) { + fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n", + gdbstub_dev); + exit(1); + } + + qdev_machine_creation_done(); + + if (rom_load_all() != 0) { + fprintf(stderr, "rom loading failed\n"); + exit(1); + } + + /* TODO: once all bus devices are qdevified, this should be done + * when bus is created by qdev.c */ + qemu_register_reset(qbus_reset_all_fn, sysbus_get_default()); + qemu_run_machine_init_done_notifiers(); + + qemu_system_reset(); + if (loadvm) { + if (load_vmstate(loadvm) < 0) { + autostart = 0; + } + } + + if (incoming) { + int ret = qemu_start_incoming_migration(incoming); + if (ret < 0) { + fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n", + incoming, ret); + exit(ret); + } + } else if (autostart) { + vm_start(); + } + + os_setup_post(); + + main_loop(); + quit_timers(); + net_cleanup(); + + return 0; +} -- cgit v1.2.3