#include "config-host.h"
#ifndef _WIN32
+#include <libgen.h>
#include <pwd.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <pty.h>
#include <malloc.h>
#include <linux/rtc.h>
+#include <sys/prctl.h>
/* For the benefit of older linux systems which don't supply it,
we use a local copy of hpet.h. */
#endif
#ifdef CONFIG_SDL
-#ifdef __APPLE__
-#include <SDL/SDL.h>
+#if defined(__APPLE__) || defined(main)
+#include <SDL.h>
int qemu_main(int argc, char **argv, char **envp);
int main(int argc, char **argv)
{
- qemu_main(argc, argv, NULL);
+ return qemu_main(argc, argv, NULL);
}
#undef main
#define main qemu_main
#include "migration.h"
#include "kvm.h"
#include "balloon.h"
+#include "qemu-option.h"
#include "disas.h"
#include "qemu_socket.h"
-#if defined(CONFIG_SLIRP)
-#include "libslirp.h"
-#endif
+#include "slirp/libslirp.h"
-//#define DEBUG_UNUSED_IOPORT
-//#define DEBUG_IOPORT
//#define DEBUG_NET
//#define DEBUG_SLIRP
-
-#ifdef DEBUG_IOPORT
-# define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
-#else
-# define LOG_IOPORT(...) do { } while (0)
-#endif
-
#define DEFAULT_RAM_SIZE 128
/* Max number of USB devices that can be specified on the commandline. */
/* Max number of bluetooth switches on the commandline. */
#define MAX_BT_CMDLINE 10
-/* XXX: use a two level table to limit memory usage */
-#define MAX_IOPORTS 65536
-
-const char *bios_dir = CONFIG_QEMU_SHAREDIR;
+static const char *data_dir;
const char *bios_name = NULL;
-static void *ioport_opaque[MAX_IOPORTS];
-static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
-static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
to store the VM snapshots */
DriveInfo drives_table[MAX_DRIVES+1];
int nb_drives;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
static DisplayState *display_state;
-int nographic;
-static int curses;
-static int sdl = 1;
+DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
ram_addr_t ram_size;
const char *vnc_display;
int acpi_enabled = 1;
int no_hpet = 0;
+int virtio_balloon = 1;
+const char *virtio_balloon_devaddr;
int fd_bootchk = 1;
int no_reboot = 0;
int no_shutdown = 0;
#endif
int nb_drives_opt;
struct drive_opt drives_opt[MAX_DRIVES];
+int boot_menu;
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint8_t qemu_uuid[16];
+static QEMUBootSetHandler *boot_set_handler;
+static void *boot_set_opaque;
+
/***********************************************************/
/* x86 ISA bus support */
target_phys_addr_t isa_mem_base = 0;
PicState2 *isa_pic;
-static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
-static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
-
-static uint32_t ioport_read(int index, uint32_t address)
-{
- static IOPortReadFunc *default_func[3] = {
- default_ioport_readb,
- default_ioport_readw,
- default_ioport_readl
- };
- IOPortReadFunc *func = ioport_read_table[index][address];
- if (!func)
- func = default_func[index];
- return func(ioport_opaque[address], address);
-}
-
-static void ioport_write(int index, uint32_t address, uint32_t data)
-{
- static IOPortWriteFunc *default_func[3] = {
- default_ioport_writeb,
- default_ioport_writew,
- default_ioport_writel
- };
- IOPortWriteFunc *func = ioport_write_table[index][address];
- if (!func)
- func = default_func[index];
- func(ioport_opaque[address], address, data);
-}
-
-static uint32_t default_ioport_readb(void *opaque, uint32_t address)
-{
-#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "unused inb: port=0x%04x\n", address);
-#endif
- return 0xff;
-}
-
-static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
-{
-#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
-#endif
-}
-
-/* default is to make two byte accesses */
-static uint32_t default_ioport_readw(void *opaque, uint32_t address)
-{
- uint32_t data;
- data = ioport_read(0, address);
- address = (address + 1) & (MAX_IOPORTS - 1);
- data |= ioport_read(0, address) << 8;
- return data;
-}
-
-static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
-{
- ioport_write(0, address, data & 0xff);
- address = (address + 1) & (MAX_IOPORTS - 1);
- ioport_write(0, address, (data >> 8) & 0xff);
-}
-
-static uint32_t default_ioport_readl(void *opaque, uint32_t address)
-{
-#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "unused inl: port=0x%04x\n", address);
-#endif
- return 0xffffffff;
-}
-
-static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
-{
-#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
-#endif
-}
-
-/* size is the word size in byte */
-int register_ioport_read(int start, int length, int size,
- IOPortReadFunc *func, void *opaque)
-{
- int i, bsize;
-
- if (size == 1) {
- bsize = 0;
- } else if (size == 2) {
- bsize = 1;
- } else if (size == 4) {
- bsize = 2;
- } else {
- hw_error("register_ioport_read: invalid size");
- return -1;
- }
- for(i = start; i < start + length; i += size) {
- ioport_read_table[bsize][i] = func;
- if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
- hw_error("register_ioport_read: invalid opaque");
- ioport_opaque[i] = opaque;
- }
- return 0;
-}
-
-/* size is the word size in byte */
-int register_ioport_write(int start, int length, int size,
- IOPortWriteFunc *func, void *opaque)
-{
- int i, bsize;
-
- if (size == 1) {
- bsize = 0;
- } else if (size == 2) {
- bsize = 1;
- } else if (size == 4) {
- bsize = 2;
- } else {
- hw_error("register_ioport_write: invalid size");
- return -1;
- }
- for(i = start; i < start + length; i += size) {
- ioport_write_table[bsize][i] = func;
- if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
- hw_error("register_ioport_write: invalid opaque");
- ioport_opaque[i] = opaque;
- }
- return 0;
-}
-
-void isa_unassign_ioport(int start, int length)
-{
- int i;
-
- for(i = start; i < start + length; i++) {
- ioport_read_table[0][i] = default_ioport_readb;
- ioport_read_table[1][i] = default_ioport_readw;
- ioport_read_table[2][i] = default_ioport_readl;
-
- ioport_write_table[0][i] = default_ioport_writeb;
- ioport_write_table[1][i] = default_ioport_writew;
- ioport_write_table[2][i] = default_ioport_writel;
-
- ioport_opaque[i] = NULL;
- }
-}
-
-/***********************************************************/
-
-void cpu_outb(CPUState *env, int addr, int val)
-{
- LOG_IOPORT("outb: %04x %02x\n", addr, val);
- ioport_write(0, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-void cpu_outw(CPUState *env, int addr, int val)
-{
- LOG_IOPORT("outw: %04x %04x\n", addr, val);
- ioport_write(1, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-void cpu_outl(CPUState *env, int addr, int val)
-{
- LOG_IOPORT("outl: %04x %08x\n", addr, val);
- ioport_write(2, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
-}
-
-int cpu_inb(CPUState *env, int addr)
-{
- int val;
- val = ioport_read(0, addr);
- LOG_IOPORT("inb : %04x %02x\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
- return val;
-}
-
-int cpu_inw(CPUState *env, int addr)
-{
- int val;
- val = ioport_read(1, addr);
- LOG_IOPORT("inw : %04x %04x\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
- return val;
-}
-
-int cpu_inl(CPUState *env, int addr)
-{
- int val;
- val = ioport_read(2, addr);
- LOG_IOPORT("inl : %04x %08x\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
- return val;
-}
-
/***********************************************************/
void hw_error(const char *fmt, ...)
{
va_end(ap);
abort();
}
+
+static void set_proc_name(const char *s)
+{
+#ifdef __linux__
+ char name[16];
+ if (!s)
+ return;
+ name[sizeof(name) - 1] = 0;
+ strncpy(name, s, sizeof(name));
+ /* Could rewrite argv[0] too, but that's a bit more complicated.
+ This simple way is enough for `top'. */
+ prctl(PR_SET_NAME, name);
+#endif
+}
/***************/
/* ballooning */
}
#endif
-const char *get_opt_name(char *buf, int buf_size, const char *p, char delim)
-{
- char *q;
-
- q = buf;
- while (*p != '\0' && *p != delim) {
- if (q && (q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (q)
- *q = '\0';
-
- return p;
-}
-
-const char *get_opt_value(char *buf, int buf_size, const char *p)
-{
- char *q;
-
- q = buf;
- while (*p != '\0') {
- if (*p == ',') {
- if (*(p + 1) != ',')
- break;
- p++;
- }
- if (q && (q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (q)
- *q = '\0';
-
- return p;
-}
-
-int get_param_value(char *buf, int buf_size,
- const char *tag, const char *str)
+int get_next_param_value(char *buf, int buf_size,
+ const char *tag, const char **pstr)
{
const char *p;
char option[128];
- p = str;
+ p = *pstr;
for(;;) {
p = get_opt_name(option, sizeof(option), p, '=');
if (*p != '=')
break;
p++;
if (!strcmp(tag, option)) {
- (void)get_opt_value(buf, buf_size, p);
+ *pstr = get_opt_value(buf, buf_size, p);
+ if (**pstr == ',') {
+ (*pstr)++;
+ }
return strlen(buf);
} else {
p = get_opt_value(NULL, 0, p);
return 0;
}
-int check_params(const char * const *params, const char *str)
+int get_param_value(char *buf, int buf_size,
+ const char *tag, const char *str)
{
- int name_buf_size = 1;
- const char *p;
- char *name_buf;
- int i, len;
- int ret = 0;
+ return get_next_param_value(buf, buf_size, tag, &str);
+}
- for (i = 0; params[i] != NULL; i++) {
- len = strlen(params[i]) + 1;
- if (len > name_buf_size) {
- name_buf_size = len;
- }
- }
- name_buf = qemu_malloc(name_buf_size);
+int check_params(char *buf, int buf_size,
+ const char * const *params, const char *str)
+{
+ const char *p;
+ int i;
p = str;
while (*p != '\0') {
- p = get_opt_name(name_buf, name_buf_size, p, '=');
+ p = get_opt_name(buf, buf_size, p, '=');
if (*p != '=') {
- ret = -1;
- break;
+ return -1;
}
p++;
- for(i = 0; params[i] != NULL; i++)
- if (!strcmp(params[i], name_buf))
+ for (i = 0; params[i] != NULL; i++) {
+ if (!strcmp(params[i], buf)) {
break;
+ }
+ }
if (params[i] == NULL) {
- ret = -1;
- break;
+ return -1;
}
p = get_opt_value(NULL, 0, p);
- if (*p != ',')
+ if (*p != ',') {
break;
+ }
p++;
}
-
- qemu_free(name_buf);
- return ret;
+ return 0;
}
/***********************************************************/
int index;
int cache;
int bdrv_flags, onerror;
+ const char *devaddr;
int drives_table_idx;
char *str = arg->opt;
static const char * const params[] = { "bus", "unit", "if", "index",
"cyls", "heads", "secs", "trans",
"media", "snapshot", "file",
- "cache", "format", "serial", "werror",
+ "cache", "format", "serial",
+ "werror", "addr",
NULL };
- if (check_params(params, str) < 0) {
+ if (check_params(buf, sizeof(buf), params, str) < 0) {
fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
buf, str);
return -1;
unit_id = -1;
translation = BIOS_ATA_TRANSLATION_AUTO;
index = -1;
- cache = 3;
+ cache = 1;
if (machine->use_scsi) {
type = IF_SCSI;
}
}
+ devaddr = NULL;
+ if (get_param_value(buf, sizeof(buf), "addr", str)) {
+ if (type != IF_VIRTIO) {
+ fprintf(stderr, "addr is not supported by in '%s'\n", str);
+ return -1;
+ }
+ devaddr = strdup(buf);
+ }
+
/* compute bus and unit according index */
if (index != -1) {
bdrv = bdrv_new(buf);
drives_table_idx = drive_get_free_idx();
drives_table[drives_table_idx].bdrv = bdrv;
+ drives_table[drives_table_idx].devaddr = devaddr;
drives_table[drives_table_idx].type = type;
drives_table[drives_table_idx].bus = bus_id;
drives_table[drives_table_idx].unit = unit_id;
bdrv_flags |= BDRV_O_NOCACHE;
else if (cache == 2) /* write-back */
bdrv_flags |= BDRV_O_CACHE_WB;
- else if (cache == 3) /* not specified */
- bdrv_flags |= BDRV_O_CACHE_DEF;
if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s\n",
file);
return drives_table_idx;
}
+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 int parse_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');
+ }
+ return bitmap;
+}
+
+static void restore_boot_devices(void *opaque)
+{
+ char *standard_boot_devices = opaque;
+
+ qemu_boot_set(standard_boot_devices);
+
+ qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
+ qemu_free(standard_boot_devices);
+}
+
static void numa_add(const char *optarg)
{
char option[128];
} else if (strstart(devname, "net:", &p)) {
int nic = nb_nics;
- if (net_client_init("nic", p) < 0)
+ if (net_client_init(NULL, "nic", p) < 0)
return -1;
nd_table[nic].model = "usb";
dev = usb_net_init(&nd_table[nic]);
return found;
}
-static ram_addr_t ram_save_threshold = 10;
+static uint64_t bytes_transferred = 0;
static ram_addr_t ram_save_remaining(void)
{
return count;
}
+uint64_t ram_bytes_remaining(void)
+{
+ return ram_save_remaining() * TARGET_PAGE_SIZE;
+}
+
+uint64_t ram_bytes_transferred(void)
+{
+ return bytes_transferred;
+}
+
+uint64_t ram_bytes_total(void)
+{
+ return last_ram_offset;
+}
+
static int ram_save_live(QEMUFile *f, int stage, void *opaque)
{
ram_addr_t addr;
+ uint64_t bytes_transferred_last;
+ double bwidth = 0;
+ uint64_t expected_time = 0;
+
+ if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
+ qemu_file_set_error(f);
+ return 0;
+ }
if (stage == 1) {
/* Make sure all dirty bits are set */
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
cpu_physical_memory_set_dirty(addr);
}
-
+
/* Enable dirty memory tracking */
cpu_physical_memory_set_dirty_tracking(1);
qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
}
+ bytes_transferred_last = bytes_transferred;
+ bwidth = get_clock();
+
while (!qemu_file_rate_limit(f)) {
int ret;
ret = ram_save_block(f);
+ bytes_transferred += ret * TARGET_PAGE_SIZE;
if (ret == 0) /* no more blocks */
break;
}
+ bwidth = get_clock() - bwidth;
+ bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
+
+ /* if we haven't transferred anything this round, force expected_time to a
+ * a very high value, but without crashing */
+ if (bwidth == 0)
+ bwidth = 0.000001;
+
/* try transferring iterative blocks of memory */
if (stage == 3) {
/* flush all remaining blocks regardless of rate limiting */
- while (ram_save_block(f) != 0);
+ while (ram_save_block(f) != 0) {
+ bytes_transferred += TARGET_PAGE_SIZE;
+ }
cpu_physical_memory_set_dirty_tracking(0);
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
- return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
+ expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
+
+ return (stage == 2) && (expected_time <= migrate_max_downtime());
}
static int ram_load_dead(QEMUFile *f, void *opaque)
if (flags & RAM_SAVE_FLAG_COMPRESS) {
uint8_t ch = qemu_get_byte(f);
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
+#ifndef _WIN32
+ if (ch == 0 &&
+ (!kvm_enabled() || kvm_has_sync_mmu())) {
+ madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
+ }
+#endif
} else if (flags & RAM_SAVE_FLAG_PAGE)
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
} while (!(flags & RAM_SAVE_FLAG_EOS));
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 */
/* reset/shutdown handler */
typedef struct QEMUResetEntry {
+ TAILQ_ENTRY(QEMUResetEntry) entry;
QEMUResetHandler *func;
void *opaque;
- struct QEMUResetEntry *next;
} QEMUResetEntry;
-static QEMUResetEntry *first_reset_entry;
+static TAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
+ TAILQ_HEAD_INITIALIZER(reset_handlers);
static int reset_requested;
static int shutdown_requested;
static int powerdown_requested;
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
{
- QEMUResetEntry **pre, *re;
+ QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
- pre = &first_reset_entry;
- while (*pre != NULL)
- pre = &(*pre)->next;
- re = qemu_mallocz(sizeof(QEMUResetEntry));
re->func = func;
re->opaque = opaque;
- re->next = NULL;
- *pre = re;
+ TAILQ_INSERT_TAIL(&reset_handlers, re, entry);
}
-void qemu_system_reset(void)
+void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
{
QEMUResetEntry *re;
+ TAILQ_FOREACH(re, &reset_handlers, entry) {
+ if (re->func == func && re->opaque == opaque) {
+ TAILQ_REMOVE(&reset_handlers, re, entry);
+ qemu_free(re);
+ return;
+ }
+ }
+}
+
+void qemu_system_reset(void)
+{
+ QEMUResetEntry *re, *nre;
+
/* reset all devices */
- for(re = first_reset_entry; re != NULL; re = re->next) {
+ TAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
re->func(re->opaque);
}
- if (kvm_enabled())
- kvm_sync_vcpus();
}
void qemu_system_reset_request(void)
tv.tv_sec = timeout / 1000;
tv.tv_usec = (timeout % 1000) * 1000;
-#if defined(CONFIG_SLIRP)
- if (slirp_is_inited()) {
- slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
- }
-#endif
+ slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
+
qemu_mutex_unlock_iothread();
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
qemu_mutex_lock_iothread();
pioh = &ioh->next;
}
}
-#if defined(CONFIG_SLIRP)
- if (slirp_is_inited()) {
- if (ret < 0) {
- FD_ZERO(&rfds);
- FD_ZERO(&wfds);
- FD_ZERO(&xfds);
- }
- slirp_select_poll(&rfds, &wfds, &xfds);
- }
-#endif
+
+ slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
/* rearm timer, if not periodic */
if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
static int qemu_calculate_timeout(void)
{
+#ifndef CONFIG_IOTHREAD
int timeout;
if (!vm_running)
}
return timeout;
+#else /* CONFIG_IOTHREAD */
+ return 1000;
+#endif
}
static int vm_can_run(void)
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
-#ifdef CONFIG_IOTHREAD
- main_loop_wait(1000);
-#else
main_loop_wait(qemu_calculate_timeout());
-#endif
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
}
}
+#ifdef TARGET_I386
+static int balloon_parse(const char *arg)
+{
+ char buf[128];
+ const char *p;
+
+ if (!strcmp(arg, "none")) {
+ virtio_balloon = 0;
+ } else if (!strncmp(arg, "virtio", 6)) {
+ virtio_balloon = 1;
+ if (arg[6] == ',') {
+ p = arg + 7;
+ if (get_param_value(buf, sizeof(buf), "addr", p)) {
+ virtio_balloon_devaddr = strdup(buf);
+ }
+ }
+ } else {
+ return -1;
+ }
+ return 0;
+}
+#endif
+
#ifdef _WIN32
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
{
qemu_system_shutdown_request();
}
-static void termsig_setup(void)
+static void sigchld_handler(int signal)
+{
+ waitpid(-1, NULL, WNOHANG);
+}
+
+static void sighandler_setup(void)
{
struct sigaction act;
sigaction(SIGINT, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGTERM, &act, NULL);
+
+ act.sa_handler = sigchld_handler;
+ act.sa_flags = SA_NOCLDSTOP;
+ sigaction(SIGCHLD, &act, NULL);
+}
+
+#endif
+
+#ifdef _WIN32
+/* Look for support files in the same directory as the executable. */
+static char *find_datadir(const char *argv0)
+{
+ char *p;
+ char buf[MAX_PATH];
+ DWORD len;
+
+ len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+ if (len == 0) {
+ return NULL;
+ }
+
+ buf[len] = 0;
+ p = buf + len - 1;
+ while (p != buf && *p != '\\')
+ p--;
+ *p = 0;
+ if (access(buf, R_OK) == 0) {
+ return qemu_strdup(buf);
+ }
+ return NULL;
}
+#else /* !_WIN32 */
+
+/* Find a likely location for support files using the location of the binary.
+ For installed binaries this will be "$bindir/../share/qemu". When
+ running from the build tree this will be "$bindir/../pc-bios". */
+#define SHARE_SUFFIX "/share/qemu"
+#define BUILD_SUFFIX "/pc-bios"
+static char *find_datadir(const char *argv0)
+{
+ char *dir;
+ char *p = NULL;
+ char *res;
+#ifdef PATH_MAX
+ char buf[PATH_MAX];
+#endif
+ size_t max_len;
+#if defined(__linux__)
+ {
+ int len;
+ len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#elif defined(__FreeBSD__)
+ {
+ int len;
+ len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#endif
+ /* If we don't have any way of figuring out the actual executable
+ location then try argv[0]. */
+ if (!p) {
+#ifdef PATH_MAX
+ p = buf;
+#endif
+ p = realpath(argv0, p);
+ if (!p) {
+ return NULL;
+ }
+ }
+ dir = dirname(p);
+ dir = dirname(dir);
+
+ max_len = strlen(dir) +
+ MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
+ res = qemu_mallocz(max_len);
+ snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
+ if (access(res, R_OK)) {
+ snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
+ if (access(res, R_OK)) {
+ qemu_free(res);
+ res = NULL;
+ }
+ }
+#ifndef PATH_MAX
+ free(p);
+#endif
+ return res;
+}
+#undef SHARE_SUFFIX
+#undef BUILD_SUFFIX
#endif
+char *qemu_find_file(int type, const char *name)
+{
+ int len;
+ const char *subdir;
+ char *buf;
+
+ /* If name contains path separators then try it as a straight path. */
+ if ((strchr(name, '/') || strchr(name, '\\'))
+ && access(name, R_OK) == 0) {
+ return strdup(name);
+ }
+ switch (type) {
+ case QEMU_FILE_TYPE_BIOS:
+ subdir = "";
+ break;
+ case QEMU_FILE_TYPE_KEYMAP:
+ subdir = "keymaps/";
+ break;
+ default:
+ abort();
+ }
+ len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
+ buf = qemu_mallocz(len);
+ snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
+ if (access(buf, R_OK)) {
+ qemu_free(buf);
+ return NULL;
+ }
+ return buf;
+}
+
int main(int argc, char **argv, char **envp)
{
const char *gdbstub_dev = NULL;
int snapshot, linux_boot, net_boot;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
- const char *boot_devices = "";
+ char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
DisplayState *ds;
DisplayChangeListener *dcl;
int cyls, heads, secs, translation;
const char *run_as = NULL;
#endif
CPUState *env;
+ int show_vnc_port = 0;
qemu_cache_utils_init(envp);
}
#endif
- register_machines();
- machine = first_machine;
+ module_call_init(MODULE_INIT_MACHINE);
+ machine = find_default_machine();
cpu_model = NULL;
initrd_filename = NULL;
ram_size = 0;
snapshot = 0;
- nographic = 0;
- curses = 0;
kernel_filename = NULL;
kernel_cmdline = "";
cyls = heads = secs = 0;
for(m = first_machine; m != NULL; m = m->next) {
printf("%-10s %s%s\n",
m->name, m->desc,
- m == first_machine ? " (default)" : "");
+ m->is_default ? " (default)" : "");
}
exit(*optarg != '?');
}
numa_add(optarg);
break;
case QEMU_OPTION_nographic:
- nographic = 1;
+ display_type = DT_NOGRAPHIC;
break;
#ifdef CONFIG_CURSES
case QEMU_OPTION_curses:
- curses = 1;
+ display_type = DT_CURSES;
break;
#endif
case QEMU_OPTION_portrait:
drive_add(optarg, CDROM_ALIAS);
break;
case QEMU_OPTION_boot:
- boot_devices = optarg;
- /* We just do some generic consistency checks */
{
- /* Could easily be extended to 64 devices if needed */
- const char *p;
-
- boot_devices_bitmap = 0;
- for (p = boot_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 > 'q') {
- fprintf(stderr, "Invalid boot device '%c'\n", *p);
- exit(1);
+ 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)) {
+ boot_devices_bitmap = parse_bootdevices(buf);
+ pstrcpy(boot_devices, sizeof(boot_devices), buf);
+ }
+ if (!legacy) {
+ if (get_param_value(buf, sizeof(buf),
+ "once", optarg)) {
+ boot_devices_bitmap |= parse_bootdevices(buf);
+ standard_boot_devices = qemu_strdup(boot_devices);
+ pstrcpy(boot_devices, sizeof(boot_devices), buf);
+ qemu_register_reset(restore_boot_devices,
+ standard_boot_devices);
}
- if (boot_devices_bitmap & (1 << (*p - 'a'))) {
- fprintf(stderr,
- "Boot device '%c' was given twice\n",*p);
- exit(1);
+ 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);
+ }
}
- boot_devices_bitmap |= 1 << (*p - 'a');
}
}
break;
break;
#ifdef CONFIG_SLIRP
case QEMU_OPTION_tftp:
- tftp_prefix = optarg;
+ legacy_tftp_prefix = optarg;
break;
case QEMU_OPTION_bootp:
- bootp_filename = optarg;
+ legacy_bootp_filename = optarg;
break;
#ifndef _WIN32
case QEMU_OPTION_smb:
- net_slirp_smb(optarg);
+ net_slirp_smb(optarg);
break;
#endif
case QEMU_OPTION_redir:
- net_slirp_redir(NULL, optarg);
+ net_slirp_redir(optarg);
break;
#endif
case QEMU_OPTION_bt:
gdbstub_dev = optarg;
break;
case QEMU_OPTION_L:
- bios_dir = optarg;
+ data_dir = optarg;
break;
case QEMU_OPTION_bios:
bios_name = optarg;
no_quit = 1;
break;
case QEMU_OPTION_sdl:
- sdl = 1;
+ display_type = DT_SDL;
break;
#endif
case QEMU_OPTION_pidfile:
break;
#endif
#ifdef CONFIG_KQEMU
- case QEMU_OPTION_no_kqemu:
- kqemu_allowed = 0;
+ case QEMU_OPTION_enable_kqemu:
+ kqemu_allowed = 1;
break;
case QEMU_OPTION_kernel_kqemu:
kqemu_allowed = 2;
}
break;
case QEMU_OPTION_vnc:
+ display_type = DT_VNC;
vnc_display = optarg;
break;
#ifdef TARGET_I386
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;
#endif
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
#endif
case QEMU_OPTION_name:
- qemu_name = optarg;
+ 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", p);
+ exit(1);
+ }
+ p += 8;
+ set_proc_name(p);
+ }
+ }
break;
#if defined(TARGET_SPARC) || defined(TARGET_PPC)
case QEMU_OPTION_prom_env:
}
}
+ /* If no data_dir is specified then try to find it relative to the
+ executable path. */
+ if (!data_dir) {
+ data_dir = find_datadir(argv[0]);
+ }
+ /* If all else fails use the install patch specified when building. */
+ if (!data_dir) {
+ data_dir = CONFIG_QEMU_SHAREDIR;
+ }
+
#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
if (kvm_allowed && kqemu_allowed) {
fprintf(stderr,
exit(1);
}
- if (nographic) {
+ if (display_type == DT_NOGRAPHIC) {
if (serial_device_index == 0)
serial_devices[0] = "stdio";
if (parallel_device_index == 0)
exit(1);
}
linux_boot = (kernel_filename != NULL);
- net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
if (!linux_boot && *kernel_cmdline != '\0') {
fprintf(stderr, "-append only allowed with -kernel option\n");
exit(1);
}
- /* boot to floppy or the default cd if no hard disk defined yet */
- if (!boot_devices[0]) {
- boot_devices = "cad";
- }
setvbuf(stdout, NULL, _IOLBF, 0);
init_timers();
if (net_client_parse(net_clients[i]) < 0)
exit(1);
}
- net_client_check();
-#ifdef TARGET_I386
- /* XXX: this should be moved in the PC machine instantiation code */
- if (net_boot != 0) {
- int netroms = 0;
- for (i = 0; i < nb_nics && i < 4; i++) {
- const char *model = nd_table[i].model;
- char buf[1024];
- if (net_boot & (1 << i)) {
- if (model == NULL)
- model = "ne2k_pci";
- snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
- if (get_image_size(buf) > 0) {
- if (nb_option_roms >= MAX_OPTION_ROMS) {
- fprintf(stderr, "Too many option ROMs\n");
- exit(1);
- }
- option_rom[nb_option_roms] = strdup(buf);
- nb_option_roms++;
- netroms++;
- }
- }
- }
- if (netroms == 0) {
- fprintf(stderr, "No valid PXE rom found for network device\n");
- exit(1);
- }
- }
-#endif
+ net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
+ net_set_boot_mask(net_boot);
+
+ net_client_check();
/* init the bluetooth world */
for (i = 0; i < nb_bt_opts; i++)
cpu_exec_init_all(tb_size * 1024 * 1024);
bdrv_init();
- dma_helper_init();
/* we always create the cdrom drive, even if no disk is there */
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
- termsig_setup();
+ sighandler_setup();
#endif
/* Maintain compatibility with multiple stdio monitors */
module_call_init(MODULE_INIT_DEVICE);
+ if (machine->compat_props) {
+ qdev_prop_register_compat(machine->compat_props);
+ }
machine->init(ram_size, boot_devices,
kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
current_machine = machine;
- /* Set KVM's vcpu state to qemu's initial CPUState. */
- if (kvm_enabled()) {
- int ret;
-
- ret = kvm_sync_vcpus();
- if (ret < 0) {
- fprintf(stderr, "failed to initialize vcpus\n");
- exit(1);
- }
- }
-
/* init USB devices */
if (usb_enabled) {
for(i = 0; i < usb_devices_index; i++) {
dumb_display_init();
/* just use the first displaystate for the moment */
ds = display_state;
- /* terminal init */
- if (nographic) {
- if (curses) {
- fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
- exit(1);
- }
- } else {
+
+ if (display_type == DT_DEFAULT) {
+#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
+ display_type = DT_SDL;
+#else
+ display_type = DT_VNC;
+ vnc_display = "localhost:0,to=99";
+ show_vnc_port = 1;
+#endif
+ }
+
+
+ switch (display_type) {
+ case DT_NOGRAPHIC:
+ break;
#if defined(CONFIG_CURSES)
- if (curses) {
- /* At the moment curses cannot be used with other displays */
- curses_display_init(ds, full_screen);
- } else
+ case DT_CURSES:
+ curses_display_init(ds, full_screen);
+ break;
#endif
-#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
- if (sdl) {
#if defined(CONFIG_SDL)
- sdl_display_init(ds, full_screen, no_frame);
+ case DT_SDL:
+ sdl_display_init(ds, full_screen, no_frame);
+ break;
#elif defined(CONFIG_COCOA)
- cocoa_display_init(ds, full_screen);
-#endif
- } else
+ case DT_SDL:
+ cocoa_display_init(ds, full_screen);
+ break;
#endif
- {
- int print_port = 0;
-
- if (vnc_display == NULL) {
- vnc_display = "localhost:0,to=99";
- print_port = 1;
- }
-
- vnc_display_init(ds);
- if (vnc_display_open(ds, vnc_display) < 0)
- exit(1);
+ case DT_VNC:
+ vnc_display_init(ds);
+ if (vnc_display_open(ds, vnc_display) < 0)
+ exit(1);
- if (print_port) {
- printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
- }
+ if (show_vnc_port) {
+ printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
}
+ break;
+ default:
+ break;
}
dpy_resize(ds);
dcl = dcl->next;
}
- if (nographic || (vnc_display && !sdl)) {
+ if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
}
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
const char *devname = serial_devices[i];
if (devname && strcmp(devname, "none")) {
- char label[32];
- snprintf(label, sizeof(label), "serial%d", i);
if (strstart(devname, "vc", 0))
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
const char *devname = parallel_devices[i];
if (devname && strcmp(devname, "none")) {
- char label[32];
- snprintf(label, sizeof(label), "parallel%d", i);
if (strstart(devname, "vc", 0))
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
}
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
const char *devname = virtio_consoles[i];
if (virtcon_hds[i] && devname) {
- char label[32];
- snprintf(label, sizeof(label), "virtcon%d", i);
if (strstart(devname, "vc", 0))
qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
}
if (loadvm)
do_loadvm(cur_mon, loadvm);
- if (incoming) {
- autostart = 0; /* fixme how to deal with -daemonize */
+ if (incoming)
qemu_start_incoming_migration(incoming);
- }
if (autostart)
vm_start();
projects / qemu.git / blobdiff