#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <libutil.h>
+#include <sys/sysctl.h>
#else
#include <util.h>
#endif
#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
-#include "hw/audiodev.h"
#include "hw/isa.h"
#include "hw/baum.h"
#include "hw/bt.h"
#include "audio/audio.h"
#include "migration.h"
#include "kvm.h"
-#include "balloon.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "qemu-objects.h"
#include "disas.h"
-#include "exec-all.h"
-
#include "qemu_socket.h"
#include "slirp/libslirp.h"
#include "qemu-queue.h"
+#include "cpus.h"
+#include "arch_init.h"
//#define DEBUG_NET
//#define DEBUG_SLIRP
static int rtc_date_offset = -1; /* -1 means no change */
QEMUClock *rtc_clock;
int vga_interface_type = VGA_NONE;
-#ifdef TARGET_SPARC
-int graphic_width = 1024;
-int graphic_height = 768;
-int graphic_depth = 8;
-#else
-int graphic_width = 800;
-int graphic_height = 600;
-int graphic_depth = 15;
-#endif
static int full_screen = 0;
#ifdef CONFIG_SDL
static int no_frame = 0;
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
int win2k_install_hack = 0;
-#ifdef TARGET_I386
int rtc_td_hack = 0;
-#endif
int usb_enabled = 0;
int singlestep = 0;
int smp_cpus = 1;
const char *option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
-#ifdef TARGET_ARM
int old_param = 0;
-#endif
const char *qemu_name;
int alt_grab = 0;
int ctrl_grab = 0;
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
-#endif
int boot_menu;
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint64_t node_cpumask[MAX_NODES];
-static CPUState *cur_cpu;
-static CPUState *next_cpu;
static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
uint32_t xen_domid;
enum xen_mode xen_mode = XEN_EMULATE;
-#ifdef SIGRTMIN
-#define SIG_IPI (SIGRTMIN+4)
-#else
-#define SIG_IPI SIGUSR1
-#endif
-
static int default_serial = 1;
static int default_parallel = 1;
static int default_virtcon = 1;
}
/***********************************************************/
-/* x86 ISA bus support */
-
-target_phys_addr_t isa_mem_base = 0;
-PicState2 *isa_pic;
-
-/***********************************************************/
-void hw_error(const char *fmt, ...)
-{
- va_list ap;
- CPUState *env;
-
- va_start(ap, fmt);
- fprintf(stderr, "qemu: hardware error: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- for(env = first_cpu; env != NULL; env = env->next_cpu) {
- fprintf(stderr, "CPU #%d:\n", env->cpu_index);
-#ifdef TARGET_I386
- cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
-#else
- cpu_dump_state(env, stderr, fprintf, 0);
-#endif
- }
- va_end(ap);
- abort();
-}
static void set_proc_name(const char *s)
{
#endif
}
-/***************/
-/* ballooning */
-
-static QEMUBalloonEvent *qemu_balloon_event;
-void *qemu_balloon_event_opaque;
-
-void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
-{
- qemu_balloon_event = func;
- qemu_balloon_event_opaque = opaque;
-}
-
-int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-int qemu_balloon_status(MonitorCompletion cb, void *opaque)
-{
- if (qemu_balloon_event) {
- qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
- return 1;
- } else {
- return 0;
- }
-}
-
-
/***********************************************************/
/* real time host monotonic timer */
exit(1);
}
}
-#ifdef TARGET_I386
value = qemu_opt_get(opts, "driftfix");
if (value) {
if (!strcmp(value, "slew")) {
exit(1);
}
}
-#endif
-}
-
-#ifdef _WIN32
-static void socket_cleanup(void)
-{
- WSACleanup();
-}
-
-static int socket_init(void)
-{
- WSADATA Data;
- int ret, err;
-
- ret = WSAStartup(MAKEWORD(2,2), &Data);
- if (ret != 0) {
- err = WSAGetLastError();
- fprintf(stderr, "WSAStartup: %d\n", err);
- return -1;
- }
- atexit(socket_cleanup);
- return 0;
}
-#endif
/***********************************************************/
/* Bluetooth support */
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
if (!opts) {
- fprintf(stderr, "%s: huh? duplicate? (%s)\n",
- __FUNCTION__, optstr);
return NULL;
}
if (file)
QEMUMachine *machine = opaque;
int max_devs;
int index;
- int cache;
- int aio = 0;
int ro = 0;
- int bdrv_flags;
+ int bdrv_flags = 0;
int on_read_error, on_write_error;
const char *devaddr;
DriveInfo *dinfo;
*fatal_error = 1;
translation = BIOS_ATA_TRANSLATION_AUTO;
- cache = 1;
if (machine && machine->use_scsi) {
type = IF_SCSI;
}
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
- if (!strcmp(buf, "off") || !strcmp(buf, "none"))
- cache = 0;
- else if (!strcmp(buf, "writethrough"))
- cache = 1;
- else if (!strcmp(buf, "writeback"))
- cache = 2;
- else {
+ if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
+ bdrv_flags |= BDRV_O_NOCACHE;
+ } else if (!strcmp(buf, "writeback")) {
+ bdrv_flags |= BDRV_O_CACHE_WB;
+ } else if (!strcmp(buf, "writethrough")) {
+ /* this is the default */
+ } else {
fprintf(stderr, "qemu: invalid cache option\n");
return NULL;
}
#ifdef CONFIG_LINUX_AIO
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
- if (!strcmp(buf, "threads"))
- aio = 0;
- else if (!strcmp(buf, "native"))
- aio = 1;
- else {
+ if (!strcmp(buf, "native")) {
+ bdrv_flags |= BDRV_O_NATIVE_AIO;
+ } else if (!strcmp(buf, "threads")) {
+ /* this is the default */
+ } else {
fprintf(stderr, "qemu: invalid aio option\n");
return NULL;
}
*fatal_error = 0;
return NULL;
}
- bdrv_flags = 0;
if (snapshot) {
- bdrv_flags |= BDRV_O_SNAPSHOT;
- cache = 2; /* always use write-back with snapshot */
- }
- if (cache == 0) /* no caching */
- bdrv_flags |= BDRV_O_NOCACHE;
- else if (cache == 2) /* write-back */
- bdrv_flags |= BDRV_O_CACHE_WB;
-
- if (aio == 1) {
- bdrv_flags |= BDRV_O_NATIVE_AIO;
- } else {
- bdrv_flags &= ~BDRV_O_NATIVE_AIO;
+ /* always use write-back with snapshot */
+ bdrv_flags &= ~BDRV_O_CACHE_MASK;
+ bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB);
}
- if (ro == 1) {
+ if (media == MEDIA_CDROM) {
+ /* CDROM is fine for any interface, don't check. */
+ ro = 1;
+ } else if (ro == 1) {
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
return NULL;
}
}
- /*
- * cdrom is read-only. Set it now, after above interface checking
- * since readonly attribute not explicitly required, so no error.
- */
- if (media == MEDIA_CDROM) {
- ro = 1;
- }
+
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
- if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
+ if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
file, strerror(errno));
return NULL;
return boot_set_handler(boot_set_opaque, boot_devices);
}
-static int parse_bootdevices(char *devices)
+static void validate_bootdevices(char *devices)
{
/* We just do some generic consistency checks */
const char *p;
}
bitmap |= 1 << (*p - 'a');
}
- return bitmap;
}
static void restore_boot_devices(void *opaque)
}
#endif
-/***********************************************************/
-/* ram save/restore */
-
-#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
-#define RAM_SAVE_FLAG_COMPRESS 0x02
-#define RAM_SAVE_FLAG_MEM_SIZE 0x04
-#define RAM_SAVE_FLAG_PAGE 0x08
-#define RAM_SAVE_FLAG_EOS 0x10
-
-static int is_dup_page(uint8_t *page, uint8_t ch)
-{
- uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
- uint32_t *array = (uint32_t *)page;
- int i;
-
- for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
- if (array[i] != val)
- return 0;
- }
-
- return 1;
-}
-
-static int ram_save_block(QEMUFile *f)
-{
- static ram_addr_t current_addr = 0;
- ram_addr_t saved_addr = current_addr;
- ram_addr_t addr = 0;
- int found = 0;
-
- while (addr < last_ram_offset) {
- if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
- uint8_t *p;
-
- cpu_physical_memory_reset_dirty(current_addr,
- current_addr + TARGET_PAGE_SIZE,
- MIGRATION_DIRTY_FLAG);
-
- p = qemu_get_ram_ptr(current_addr);
-
- if (is_dup_page(p, *p)) {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
- qemu_put_byte(f, *p);
- } else {
- qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
- qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
- }
-
- found = 1;
- break;
- }
- addr += TARGET_PAGE_SIZE;
- current_addr = (saved_addr + addr) % last_ram_offset;
- }
-
- return found;
-}
-
-static uint64_t bytes_transferred;
-
-static ram_addr_t ram_save_remaining(void)
-{
- ram_addr_t addr;
- ram_addr_t count = 0;
-
- for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
- if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
- count++;
- }
-
- return count;
-}
-
-uint64_t ram_bytes_remaining(void)
-{
- return ram_save_remaining() * TARGET_PAGE_SIZE;
-}
-
-uint64_t ram_bytes_transferred(void)
-{
- return bytes_transferred;
-}
-
-uint64_t ram_bytes_total(void)
-{
- return last_ram_offset;
-}
-
-static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
-{
- ram_addr_t addr;
- uint64_t bytes_transferred_last;
- double bwidth = 0;
- uint64_t expected_time = 0;
-
- if (stage < 0) {
- cpu_physical_memory_set_dirty_tracking(0);
- return 0;
- }
-
- if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
- qemu_file_set_error(f);
- return 0;
- }
-
- if (stage == 1) {
- bytes_transferred = 0;
-
- /* Make sure all dirty bits are set */
- for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
- if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
- cpu_physical_memory_set_dirty(addr);
- }
-
- /* Enable dirty memory tracking */
- cpu_physical_memory_set_dirty_tracking(1);
-
- qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
- }
-
- bytes_transferred_last = bytes_transferred;
- bwidth = qemu_get_clock_ns(rt_clock);
-
- while (!qemu_file_rate_limit(f)) {
- int ret;
-
- ret = ram_save_block(f);
- bytes_transferred += ret * TARGET_PAGE_SIZE;
- if (ret == 0) /* no more blocks */
- break;
- }
-
- bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
- bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
-
- /* if we haven't transferred anything this round, force expected_time to a
- * a very high value, but without crashing */
- if (bwidth == 0)
- bwidth = 0.000001;
-
- /* try transferring iterative blocks of memory */
- if (stage == 3) {
- /* flush all remaining blocks regardless of rate limiting */
- while (ram_save_block(f) != 0) {
- bytes_transferred += TARGET_PAGE_SIZE;
- }
- cpu_physical_memory_set_dirty_tracking(0);
- }
-
- qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
-
- expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
-
- return (stage == 2) && (expected_time <= migrate_max_downtime());
-}
-
-static int ram_load(QEMUFile *f, void *opaque, int version_id)
-{
- ram_addr_t addr;
- int flags;
-
- if (version_id != 3)
- return -EINVAL;
-
- do {
- addr = qemu_get_be64(f);
-
- flags = addr & ~TARGET_PAGE_MASK;
- addr &= TARGET_PAGE_MASK;
-
- if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
- if (addr != last_ram_offset)
- return -EINVAL;
- }
-
- if (flags & RAM_SAVE_FLAG_COMPRESS) {
- uint8_t ch = qemu_get_byte(f);
- memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
-#ifndef _WIN32
- if (ch == 0 &&
- (!kvm_enabled() || kvm_has_sync_mmu())) {
- madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
- }
-#endif
- } else if (flags & RAM_SAVE_FLAG_PAGE) {
- qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
- }
- if (qemu_file_has_error(f)) {
- return -EIO;
- }
- } while (!(flags & RAM_SAVE_FLAG_EOS));
-
- return 0;
-}
-
-void qemu_service_io(void)
-{
- qemu_notify_event();
-}
-
/***********************************************************/
/* machine registration */
qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
}
-void cpu_synchronize_all_states(void)
-{
- CPUState *cpu;
-
- for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
- cpu_synchronize_state(cpu);
- }
-}
-
-void cpu_synchronize_all_post_reset(void)
-{
- CPUState *cpu;
-
- for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
- cpu_synchronize_post_reset(cpu);
- }
-}
-
-void cpu_synchronize_all_post_init(void)
-{
- CPUState *cpu;
-
- for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
- cpu_synchronize_post_init(cpu);
- }
-}
-
struct vm_change_state_entry {
VMChangeStateHandler *cb;
void *opaque;
qemu_free (e);
}
-static void vm_state_notify(int running, int reason)
+void vm_state_notify(int running, int reason)
{
VMChangeStateEntry *e;
}
}
-static void resume_all_vcpus(void);
-static void pause_all_vcpus(void);
-
void vm_start(void)
{
if (!vm_running) {
/* 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;
-static int debug_requested;
-static int vmstop_requested;
-
-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;
-}
-
-static void do_vm_stop(int reason)
-{
- if (vm_running) {
- cpu_disable_ticks();
- vm_running = 0;
- pause_all_vcpus();
- vm_state_notify(0, reason);
- monitor_protocol_event(QEVENT_STOP, NULL);
- }
-}
-
-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;
- }
- 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();
-}
-
-static int cpu_can_run(CPUState *env)
-{
- if (env->stop)
- return 0;
- if (env->stopped)
- return 0;
- if (!vm_running)
- return 0;
- return 1;
-}
-
-static int cpu_has_work(CPUState *env)
-{
- if (env->stop)
- return 1;
- if (env->stopped)
- return 0;
- if (!env->halted)
- return 1;
- if (qemu_cpu_has_work(env))
- return 1;
- return 0;
-}
-
-static int tcg_has_work(void)
-{
- CPUState *env;
-
- for (env = first_cpu; env != NULL; env = env->next_cpu)
- if (cpu_has_work(env))
- return 1;
- return 0;
-}
-
-#ifndef _WIN32
-static int io_thread_fd = -1;
-
-static void qemu_event_increment(void)
-{
- /* Write 8 bytes to be compatible with eventfd. */
- static uint64_t val = 1;
- ssize_t ret;
-
- if (io_thread_fd == -1)
- return;
-
- do {
- ret = write(io_thread_fd, &val, sizeof(val));
- } while (ret < 0 && errno == EINTR);
-
- /* EAGAIN is fine, a read must be pending. */
- if (ret < 0 && errno != EAGAIN) {
- fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
- strerror(errno));
- exit (1);
- }
-}
-
-static void qemu_event_read(void *opaque)
-{
- int fd = (unsigned long)opaque;
- ssize_t len;
- char buffer[512];
-
- /* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
- do {
- len = read(fd, buffer, sizeof(buffer));
- } while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
-}
-
-static int qemu_event_init(void)
-{
- int err;
- int fds[2];
-
- err = qemu_eventfd(fds);
- if (err == -1)
- return -errno;
-
- err = fcntl_setfl(fds[0], O_NONBLOCK);
- if (err < 0)
- goto fail;
-
- err = fcntl_setfl(fds[1], O_NONBLOCK);
- if (err < 0)
- goto fail;
-
- qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
- (void *)(unsigned long)fds[0]);
-
- io_thread_fd = fds[1];
- return 0;
-
-fail:
- close(fds[0]);
- close(fds[1]);
- return err;
-}
-#else
-HANDLE qemu_event_handle;
-
-static void dummy_event_handler(void *opaque)
-{
-}
-
-static int qemu_event_init(void)
-{
- qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
- if (!qemu_event_handle) {
- fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError());
- return -1;
- }
- qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
- return 0;
-}
-
-static void qemu_event_increment(void)
-{
- if (!SetEvent(qemu_event_handle)) {
- fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n",
- GetLastError());
- exit (1);
- }
-}
-#endif
-
-#ifndef CONFIG_IOTHREAD
-static int qemu_init_main_loop(void)
-{
- return qemu_event_init();
-}
-
-void qemu_init_vcpu(void *_env)
-{
- CPUState *env = _env;
-
- env->nr_cores = smp_cores;
- env->nr_threads = smp_threads;
- if (kvm_enabled())
- kvm_init_vcpu(env);
- return;
-}
-
-int qemu_cpu_self(void *env)
-{
- return 1;
-}
-
-static void resume_all_vcpus(void)
-{
-}
-
-static void pause_all_vcpus(void)
-{
-}
-
-void qemu_cpu_kick(void *env)
-{
- return;
-}
-
-void qemu_notify_event(void)
-{
- CPUState *env = cpu_single_env;
-
- qemu_event_increment ();
- if (env) {
- cpu_exit(env);
- }
- if (next_cpu && env != next_cpu) {
- cpu_exit(next_cpu);
- }
-}
-
-void qemu_mutex_lock_iothread(void) {}
-void qemu_mutex_unlock_iothread(void) {}
-
-void vm_stop(int reason)
-{
- do_vm_stop(reason);
-}
-
-#else /* CONFIG_IOTHREAD */
-
-#include "qemu-thread.h"
-
-QemuMutex qemu_global_mutex;
-static QemuMutex qemu_fair_mutex;
-
-static QemuThread io_thread;
-
-static QemuThread *tcg_cpu_thread;
-static QemuCond *tcg_halt_cond;
-
-static int qemu_system_ready;
-/* cpu creation */
-static QemuCond qemu_cpu_cond;
-/* system init */
-static QemuCond qemu_system_cond;
-static QemuCond qemu_pause_cond;
-
-static void tcg_block_io_signals(void);
-static void kvm_block_io_signals(CPUState *env);
-static void unblock_io_signals(void);
-
-static int qemu_init_main_loop(void)
-{
- int ret;
-
- ret = qemu_event_init();
- if (ret)
- return ret;
-
- qemu_cond_init(&qemu_pause_cond);
- qemu_mutex_init(&qemu_fair_mutex);
- qemu_mutex_init(&qemu_global_mutex);
- qemu_mutex_lock(&qemu_global_mutex);
-
- unblock_io_signals();
- qemu_thread_self(&io_thread);
-
- return 0;
-}
-
-static void qemu_wait_io_event_common(CPUState *env)
-{
- if (env->stop) {
- env->stop = 0;
- env->stopped = 1;
- qemu_cond_signal(&qemu_pause_cond);
- }
-}
-
-static void qemu_wait_io_event(CPUState *env)
-{
- while (!tcg_has_work())
- qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
-
- qemu_mutex_unlock(&qemu_global_mutex);
-
- /*
- * Users of qemu_global_mutex can be starved, having no chance
- * to acquire it since this path will get to it first.
- * So use another lock to provide fairness.
- */
- qemu_mutex_lock(&qemu_fair_mutex);
- qemu_mutex_unlock(&qemu_fair_mutex);
-
- qemu_mutex_lock(&qemu_global_mutex);
- qemu_wait_io_event_common(env);
-}
-
-static void qemu_kvm_eat_signal(CPUState *env, int timeout)
-{
- struct timespec ts;
- int r, e;
- siginfo_t siginfo;
- sigset_t waitset;
-
- ts.tv_sec = timeout / 1000;
- ts.tv_nsec = (timeout % 1000) * 1000000;
-
- sigemptyset(&waitset);
- sigaddset(&waitset, SIG_IPI);
-
- qemu_mutex_unlock(&qemu_global_mutex);
- r = sigtimedwait(&waitset, &siginfo, &ts);
- e = errno;
- qemu_mutex_lock(&qemu_global_mutex);
-
- if (r == -1 && !(e == EAGAIN || e == EINTR)) {
- fprintf(stderr, "sigtimedwait: %s\n", strerror(e));
- exit(1);
- }
-}
-
-static void qemu_kvm_wait_io_event(CPUState *env)
-{
- while (!cpu_has_work(env))
- qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
-
- qemu_kvm_eat_signal(env, 0);
- qemu_wait_io_event_common(env);
-}
-
-static int qemu_cpu_exec(CPUState *env);
-
-static void *kvm_cpu_thread_fn(void *arg)
-{
- CPUState *env = arg;
-
- qemu_thread_self(env->thread);
- if (kvm_enabled())
- kvm_init_vcpu(env);
-
- kvm_block_io_signals(env);
-
- /* signal CPU creation */
- qemu_mutex_lock(&qemu_global_mutex);
- env->created = 1;
- qemu_cond_signal(&qemu_cpu_cond);
-
- /* and wait for machine initialization */
- while (!qemu_system_ready)
- qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
-
- while (1) {
- if (cpu_can_run(env))
- qemu_cpu_exec(env);
- qemu_kvm_wait_io_event(env);
- }
-
- return NULL;
-}
-
-static bool tcg_cpu_exec(void);
-
-static void *tcg_cpu_thread_fn(void *arg)
-{
- CPUState *env = arg;
-
- tcg_block_io_signals();
- qemu_thread_self(env->thread);
-
- /* signal CPU creation */
- qemu_mutex_lock(&qemu_global_mutex);
- for (env = first_cpu; env != NULL; env = env->next_cpu)
- env->created = 1;
- qemu_cond_signal(&qemu_cpu_cond);
-
- /* and wait for machine initialization */
- while (!qemu_system_ready)
- qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
-
- while (1) {
- tcg_cpu_exec();
- qemu_wait_io_event(cur_cpu);
- }
-
- return NULL;
-}
-
-void qemu_cpu_kick(void *_env)
-{
- CPUState *env = _env;
- qemu_cond_broadcast(env->halt_cond);
- if (kvm_enabled())
- qemu_thread_signal(env->thread, SIG_IPI);
-}
-
-int qemu_cpu_self(void *_env)
-{
- CPUState *env = _env;
- QemuThread this;
-
- qemu_thread_self(&this);
-
- return qemu_thread_equal(&this, env->thread);
-}
-
-static void cpu_signal(int sig)
-{
- if (cpu_single_env)
- cpu_exit(cpu_single_env);
-}
-
-static void tcg_block_io_signals(void)
-{
- sigset_t set;
- struct sigaction sigact;
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR2);
- sigaddset(&set, SIGIO);
- sigaddset(&set, SIGALRM);
- sigaddset(&set, SIGCHLD);
- pthread_sigmask(SIG_BLOCK, &set, NULL);
-
- sigemptyset(&set);
- sigaddset(&set, SIG_IPI);
- pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-
- memset(&sigact, 0, sizeof(sigact));
- sigact.sa_handler = cpu_signal;
- sigaction(SIG_IPI, &sigact, NULL);
-}
+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;
+static int exit_requested;
-static void dummy_signal(int sig)
+int qemu_shutdown_requested(void)
{
+ int r = shutdown_requested;
+ shutdown_requested = 0;
+ return r;
}
-static void kvm_block_io_signals(CPUState *env)
+int qemu_reset_requested(void)
{
- int r;
- sigset_t set;
- struct sigaction sigact;
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR2);
- sigaddset(&set, SIGIO);
- sigaddset(&set, SIGALRM);
- sigaddset(&set, SIGCHLD);
- sigaddset(&set, SIG_IPI);
- pthread_sigmask(SIG_BLOCK, &set, NULL);
-
- pthread_sigmask(SIG_BLOCK, NULL, &set);
- sigdelset(&set, SIG_IPI);
-
- memset(&sigact, 0, sizeof(sigact));
- sigact.sa_handler = dummy_signal;
- sigaction(SIG_IPI, &sigact, NULL);
-
- r = kvm_set_signal_mask(env, &set);
- if (r) {
- fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(r));
- exit(1);
- }
+ int r = reset_requested;
+ reset_requested = 0;
+ return r;
}
-static void unblock_io_signals(void)
+int qemu_powerdown_requested(void)
{
- sigset_t set;
-
- sigemptyset(&set);
- sigaddset(&set, SIGUSR2);
- sigaddset(&set, SIGIO);
- sigaddset(&set, SIGALRM);
- pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-
- sigemptyset(&set);
- sigaddset(&set, SIG_IPI);
- pthread_sigmask(SIG_BLOCK, &set, NULL);
+ int r = powerdown_requested;
+ powerdown_requested = 0;
+ return r;
}
-static void qemu_signal_lock(unsigned int msecs)
+int qemu_exit_requested(void)
{
- qemu_mutex_lock(&qemu_fair_mutex);
-
- while (qemu_mutex_trylock(&qemu_global_mutex)) {
- qemu_thread_signal(tcg_cpu_thread, SIG_IPI);
- if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
- break;
- }
- qemu_mutex_unlock(&qemu_fair_mutex);
+ /* just return it, we'll exit() anyway */
+ return exit_requested;
}
-void qemu_mutex_lock_iothread(void)
+static int qemu_debug_requested(void)
{
- if (kvm_enabled()) {
- qemu_mutex_lock(&qemu_fair_mutex);
- qemu_mutex_lock(&qemu_global_mutex);
- qemu_mutex_unlock(&qemu_fair_mutex);
- } else
- qemu_signal_lock(100);
+ int r = debug_requested;
+ debug_requested = 0;
+ return r;
}
-void qemu_mutex_unlock_iothread(void)
+static int qemu_vmstop_requested(void)
{
- qemu_mutex_unlock(&qemu_global_mutex);
+ int r = vmstop_requested;
+ vmstop_requested = 0;
+ return r;
}
-static int all_vcpus_paused(void)
+void qemu_register_reset(QEMUResetHandler *func, void *opaque)
{
- CPUState *penv = first_cpu;
-
- while (penv) {
- if (!penv->stopped)
- return 0;
- penv = (CPUState *)penv->next_cpu;
- }
+ QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
- return 1;
+ re->func = func;
+ re->opaque = opaque;
+ QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
}
-static void pause_all_vcpus(void)
+void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
{
- CPUState *penv = first_cpu;
-
- while (penv) {
- penv->stop = 1;
- qemu_thread_signal(penv->thread, SIG_IPI);
- qemu_cpu_kick(penv);
- penv = (CPUState *)penv->next_cpu;
- }
+ QEMUResetEntry *re;
- while (!all_vcpus_paused()) {
- qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
- penv = first_cpu;
- while (penv) {
- qemu_thread_signal(penv->thread, SIG_IPI);
- penv = (CPUState *)penv->next_cpu;
+ QTAILQ_FOREACH(re, &reset_handlers, entry) {
+ if (re->func == func && re->opaque == opaque) {
+ QTAILQ_REMOVE(&reset_handlers, re, entry);
+ qemu_free(re);
+ return;
}
}
}
-static void resume_all_vcpus(void)
+void qemu_system_reset(void)
{
- CPUState *penv = first_cpu;
+ QEMUResetEntry *re, *nre;
- while (penv) {
- penv->stop = 0;
- penv->stopped = 0;
- qemu_thread_signal(penv->thread, SIG_IPI);
- qemu_cpu_kick(penv);
- penv = (CPUState *)penv->next_cpu;
+ /* 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();
}
-static void tcg_init_vcpu(void *_env)
+void qemu_system_reset_request(void)
{
- CPUState *env = _env;
- /* share a single thread for all cpus with TCG */
- if (!tcg_cpu_thread) {
- env->thread = qemu_mallocz(sizeof(QemuThread));
- env->halt_cond = qemu_mallocz(sizeof(QemuCond));
- qemu_cond_init(env->halt_cond);
- qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
- while (env->created == 0)
- qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
- tcg_cpu_thread = env->thread;
- tcg_halt_cond = env->halt_cond;
+ if (no_reboot) {
+ shutdown_requested = 1;
} else {
- env->thread = tcg_cpu_thread;
- env->halt_cond = tcg_halt_cond;
+ reset_requested = 1;
}
+ qemu_notify_event();
}
-static void kvm_start_vcpu(CPUState *env)
-{
- env->thread = qemu_mallocz(sizeof(QemuThread));
- env->halt_cond = qemu_mallocz(sizeof(QemuCond));
- qemu_cond_init(env->halt_cond);
- qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
- while (env->created == 0)
- qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
-}
-
-void qemu_init_vcpu(void *_env)
-{
- CPUState *env = _env;
-
- env->nr_cores = smp_cores;
- env->nr_threads = smp_threads;
- if (kvm_enabled())
- kvm_start_vcpu(env);
- else
- tcg_init_vcpu(env);
-}
-
-void qemu_notify_event(void)
+void qemu_system_shutdown_request(void)
{
- qemu_event_increment();
+ shutdown_requested = 1;
+ qemu_notify_event();
}
-static void qemu_system_vmstop_request(int reason)
+void qemu_system_powerdown_request(void)
{
- vmstop_requested = reason;
+ powerdown_requested = 1;
qemu_notify_event();
}
-void vm_stop(int reason)
+void qemu_system_exit_request(void)
{
- QemuThread me;
- qemu_thread_self(&me);
-
- if (!qemu_thread_equal(&me, &io_thread)) {
- qemu_system_vmstop_request(reason);
- /*
- * FIXME: should not return to device code in case
- * vm_stop() has been requested.
- */
- if (cpu_single_env) {
- cpu_exit(cpu_single_env);
- cpu_single_env->stop = 1;
- }
- return;
- }
- do_vm_stop(reason);
+ exit_requested = 1;
+ qemu_notify_event();
}
-#endif
-
-
#ifdef _WIN32
static void host_main_loop_wait(int *timeout)
{
}
-static int qemu_cpu_exec(CPUState *env)
-{
- int ret;
-#ifdef CONFIG_PROFILER
- int64_t ti;
-#endif
-
-#ifdef CONFIG_PROFILER
- ti = profile_getclock();
-#endif
- if (use_icount) {
- int64_t count;
- int decr;
- qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
- env->icount_decr.u16.low = 0;
- env->icount_extra = 0;
- count = qemu_icount_round (qemu_next_deadline());
- qemu_icount += count;
- decr = (count > 0xffff) ? 0xffff : count;
- count -= decr;
- env->icount_decr.u16.low = decr;
- env->icount_extra = count;
- }
- ret = cpu_exec(env);
-#ifdef CONFIG_PROFILER
- qemu_time += profile_getclock() - ti;
-#endif
- if (use_icount) {
- /* Fold pending instructions back into the
- instruction counter, and clear the interrupt flag. */
- qemu_icount -= (env->icount_decr.u16.low
- + env->icount_extra);
- env->icount_decr.u32 = 0;
- env->icount_extra = 0;
- }
- return ret;
-}
-
-static bool tcg_cpu_exec(void)
-{
- int ret = 0;
-
- if (next_cpu == NULL)
- next_cpu = first_cpu;
- for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
- CPUState *env = cur_cpu = next_cpu;
-
- qemu_clock_enable(vm_clock,
- (cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
-
- if (qemu_alarm_pending())
- break;
- if (cpu_can_run(env))
- ret = qemu_cpu_exec(env);
- else if (env->stop)
- break;
-
- if (ret == EXCP_DEBUG) {
- gdb_set_stop_cpu(env);
- debug_requested = EXCP_DEBUG;
- break;
- }
- }
- return tcg_has_work();
-}
-
-static void set_numa_modes(void)
-{
- CPUState *env;
- int i;
-
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- for (i = 0; i < nb_numa_nodes; i++) {
- if (node_cpumask[i] & (1 << env->cpu_index)) {
- env->numa_node = i;
- }
- }
- }
-}
-
-static void set_cpu_log(const char *optarg)
-{
- int mask;
- const CPULogItem *item;
-
- mask = cpu_str_to_log_mask(optarg);
- if (!mask) {
- printf("Log items (comma separated):\n");
- for (item = cpu_log_items; item->mask != 0; item++) {
- printf("%-10s %s\n", item->name, item->help);
- }
- exit(1);
- }
- cpu_set_log(mask);
-}
-
static int vm_can_run(void)
{
if (powerdown_requested)
return 0;
if (debug_requested)
return 0;
+ if (exit_requested)
+ return 0;
return 1;
}
{
int r;
-#ifdef CONFIG_IOTHREAD
- qemu_system_ready = 1;
- qemu_cond_broadcast(&qemu_system_cond);
-#endif
+ qemu_main_loop_start();
for (;;) {
do {
if ((r = qemu_vmstop_requested())) {
vm_stop(r);
}
+ if (qemu_exit_requested()) {
+ exit(0);
+ }
}
pause_all_vcpus();
}
static void help(int exitcode)
{
const char *options_help =
-#define DEF(option, opt_arg, opt_enum, opt_help) \
- opt_help
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ opt_help
#define DEFHEADING(text) stringify(text) "\n"
#include "qemu-options.h"
#undef DEF
#define HAS_ARG 0x0001
enum {
-#define DEF(option, opt_arg, opt_enum, opt_help) \
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
opt_enum,
#define DEFHEADING(text)
#include "qemu-options.h"
const char *name;
int flags;
int index;
+ uint32_t arch_mask;
} QEMUOption;
static const QEMUOption qemu_options[] = {
- { "h", 0, QEMU_OPTION_h },
-#define DEF(option, opt_arg, opt_enum, opt_help) \
- { option, opt_arg, opt_enum },
+ { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ { option, opt_arg, opt_enum, arch_mask },
#define DEFHEADING(text)
#include "qemu-options.h"
#undef DEF
#undef GEN_DOCS
{ NULL },
};
-
-#ifdef HAS_AUDIO
-struct soundhw soundhw[] = {
-#ifdef HAS_AUDIO_CHOICE
-#if defined(TARGET_I386) || defined(TARGET_MIPS)
- {
- "pcspk",
- "PC speaker",
- 0,
- 1,
- { .init_isa = pcspk_audio_init }
- },
-#endif
-
-#ifdef CONFIG_SB16
- {
- "sb16",
- "Creative Sound Blaster 16",
- 0,
- 1,
- { .init_isa = SB16_init }
- },
-#endif
-
-#ifdef CONFIG_CS4231A
- {
- "cs4231a",
- "CS4231A",
- 0,
- 1,
- { .init_isa = cs4231a_init }
- },
-#endif
-
-#ifdef CONFIG_ADLIB
- {
- "adlib",
-#ifdef HAS_YMF262
- "Yamaha YMF262 (OPL3)",
-#else
- "Yamaha YM3812 (OPL2)",
-#endif
- 0,
- 1,
- { .init_isa = Adlib_init }
- },
-#endif
-
-#ifdef CONFIG_GUS
- {
- "gus",
- "Gravis Ultrasound GF1",
- 0,
- 1,
- { .init_isa = GUS_init }
- },
-#endif
-
-#ifdef CONFIG_AC97
- {
- "ac97",
- "Intel 82801AA AC97 Audio",
- 0,
- 0,
- { .init_pci = ac97_init }
- },
-#endif
-
-#ifdef CONFIG_ES1370
- {
- "es1370",
- "ENSONIQ AudioPCI ES1370",
- 0,
- 0,
- { .init_pci = es1370_init }
- },
-#endif
-
-#endif /* HAS_AUDIO_CHOICE */
-
- { NULL, NULL, 0, 0, { NULL } }
-};
-
-static void select_soundhw (const char *optarg)
-{
- struct soundhw *c;
-
- if (*optarg == '?') {
- show_valid_cards:
-
- printf ("Valid sound card names (comma separated):\n");
- for (c = soundhw; c->name; ++c) {
- printf ("%-11s %s\n", c->name, c->descr);
- }
- printf ("\n-soundhw all will enable all of the above\n");
- exit (*optarg != '?');
- }
- else {
- size_t l;
- const char *p;
- char *e;
- int bad_card = 0;
-
- if (!strcmp (optarg, "all")) {
- for (c = soundhw; c->name; ++c) {
- c->enabled = 1;
- }
- return;
- }
-
- p = optarg;
- while (*p) {
- e = strchr (p, ',');
- l = !e ? strlen (p) : (size_t) (e - p);
-
- for (c = soundhw; c->name; ++c) {
- if (!strncmp (c->name, p, l) && !c->name[l]) {
- c->enabled = 1;
- break;
- }
- }
-
- if (!c->name) {
- if (l > 80) {
- fprintf (stderr,
- "Unknown sound card name (too big to show)\n");
- }
- else {
- fprintf (stderr, "Unknown sound card name `%.*s'\n",
- (int) l, p);
- }
- bad_card = 1;
- }
- p += l + (e != NULL);
- }
-
- if (bad_card)
- goto show_valid_cards;
- }
-}
-#endif
-
static void select_vgahw (const char *p)
{
const char *opts;
}
}
-#ifdef TARGET_I386
static int balloon_parse(const char *arg)
{
QemuOpts *opts;
return -1;
}
-#endif
#ifdef _WIN32
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
}
#endif
-int qemu_uuid_parse(const char *str, uint8_t *uuid)
-{
- int ret;
-
- if(strlen(str) != 36)
- return -1;
-
- ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
- &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
- &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
-
- if(ret != 16)
- return -1;
-
-#ifdef TARGET_I386
- smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
-#endif
-
- return 0;
-}
-
-#ifdef TARGET_I386
-static void do_acpitable_option(const char *optarg)
-{
- if (acpi_table_add(optarg) < 0) {
- fprintf(stderr, "Wrong acpi table provided\n");
- exit(1);
- }
-}
-#endif
-
-#ifdef TARGET_I386
-static void do_smbios_option(const char *optarg)
-{
- if (smbios_entry_add(optarg) < 0) {
- fprintf(stderr, "Wrong smbios provided\n");
- exit(1);
- }
-}
-#endif
-
-static void cpudef_init(void)
-{
-#if defined(cpudef_setup)
- cpudef_setup(); /* parse cpu definitions in target config file */
-#endif
-}
-
#ifndef _WIN32
static void termsig_handler(int signal)
}
#elif defined(__FreeBSD__)
{
- int len;
- len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
- if (len > 0) {
- buf[len] = 0;
+ static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+ size_t len = sizeof(buf) - 1;
+
+ *buf = '\0';
+ if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
+ *buf) {
+ buf[sizeof(buf) - 1] = '\0';
p = buf;
}
}
int main(int argc, char **argv, char **envp)
{
const char *gdbstub_dev = NULL;
- uint32_t boot_devices_bitmap = 0;
int i;
- int snapshot, linux_boot, net_boot;
+ int snapshot, linux_boot;
const char *icount_option = NULL;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
}
if (defconfig) {
- const char *fname;
- FILE *fp;
+ int ret;
- fname = CONFIG_QEMU_CONFDIR "/qemu.conf";
- fp = fopen(fname, "r");
- if (fp) {
- if (qemu_config_parse(fp, fname) != 0) {
- exit(1);
- }
- fclose(fp);
+ ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
+ if (ret == -EINVAL) {
+ exit(1);
}
- fname = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
- fp = fopen(fname, "r");
- if (fp) {
- if (qemu_config_parse(fp, fname) != 0) {
- exit(1);
- }
- fclose(fp);
+ ret = qemu_read_config_file(arch_config_name);
+ if (ret == -EINVAL) {
+ exit(1);
}
}
cpudef_init();
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 (legacy ||
get_param_value(buf, sizeof(buf), "order", optarg)) {
- boot_devices_bitmap = parse_bootdevices(buf);
+ validate_bootdevices(buf);
pstrcpy(boot_devices, sizeof(boot_devices), buf);
}
if (!legacy) {
if (get_param_value(buf, sizeof(buf),
"once", optarg)) {
- boot_devices_bitmap |= parse_bootdevices(buf);
+ validate_bootdevices(buf);
standard_boot_devices = qemu_strdup(boot_devices);
pstrcpy(boot_devices, sizeof(boot_devices), buf);
qemu_register_reset(restore_boot_devices,
case QEMU_OPTION_fdb:
drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
break;
-#ifdef TARGET_I386
case QEMU_OPTION_no_fd_bootchk:
fd_bootchk = 0;
break;
-#endif
case QEMU_OPTION_netdev:
if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
exit(1);
case QEMU_OPTION_bt:
add_device_config(DEV_BT, optarg);
break;
-#ifdef HAS_AUDIO
case QEMU_OPTION_audio_help:
+ if (!(audio_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
AUD_help ();
exit (0);
break;
case QEMU_OPTION_soundhw:
+ if (!(audio_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
select_soundhw (optarg);
break;
-#endif
case QEMU_OPTION_h:
help(0);
break;
case QEMU_OPTION_vga:
select_vgahw (optarg);
break;
-#if defined(TARGET_PPC) || defined(TARGET_SPARC)
case QEMU_OPTION_g:
{
const char *p;
graphic_depth = depth;
}
break;
-#endif
case QEMU_OPTION_echr:
{
char *r;
case QEMU_OPTION_mon:
opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
if (!opts) {
- fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
default_monitor = 0;
case QEMU_OPTION_chardev:
opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
if (!opts) {
- fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
break;
case QEMU_OPTION_pidfile:
pid_file = optarg;
break;
-#ifdef TARGET_I386
case QEMU_OPTION_win2k_hack:
win2k_install_hack = 1;
break;
case QEMU_OPTION_smbios:
do_smbios_option(optarg);
break;
-#endif
-#ifdef CONFIG_KVM
case QEMU_OPTION_enable_kvm:
kvm_allowed = 1;
break;
-#endif
case QEMU_OPTION_usb:
usb_enabled = 1;
break;
display_type = DT_VNC;
vnc_display = optarg;
break;
-#ifdef TARGET_I386
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
break;
exit(1);
}
break;
-#endif
case QEMU_OPTION_no_reboot:
no_reboot = 1;
break;
option_rom[nb_option_roms] = optarg;
nb_option_roms++;
break;
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
case QEMU_OPTION_semihosting:
semihosting_enabled = 1;
break;
-#endif
case QEMU_OPTION_name:
qemu_name = qemu_strdup(optarg);
{
}
}
break;
-#if defined(TARGET_SPARC) || defined(TARGET_PPC)
case QEMU_OPTION_prom_env:
if (nb_prom_envs >= MAX_PROM_ENVS) {
fprintf(stderr, "Too many prom variables\n");
prom_envs[nb_prom_envs] = optarg;
nb_prom_envs++;
break;
-#endif
-#ifdef TARGET_ARM
case QEMU_OPTION_old_param:
old_param = 1;
break;
-#endif
case QEMU_OPTION_clock:
configure_alarms(optarg);
break;
case QEMU_OPTION_rtc:
opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
if (!opts) {
- fprintf(stderr, "parse error: %s\n", optarg);
exit(1);
}
configure_rtc(opts);
run_as = optarg;
break;
#endif
-#ifdef CONFIG_XEN
case QEMU_OPTION_xen_domid:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_domid = atoi(optarg);
break;
case QEMU_OPTION_xen_create:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_mode = XEN_CREATE;
break;
case QEMU_OPTION_xen_attach:
+ if (!(xen_available())) {
+ printf("Option %s not supported for this target\n", popt->name);
+ exit(1);
+ }
xen_mode = XEN_ATTACH;
break;
-#endif
case QEMU_OPTION_readconfig:
{
- FILE *fp;
- fp = fopen(optarg, "r");
- if (fp == NULL) {
- fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
- exit(1);
- }
- if (qemu_config_parse(fp, optarg) != 0) {
+ int ret = qemu_read_config_file(optarg);
+ if (ret < 0) {
+ fprintf(stderr, "read config %s: %s\n", optarg,
+ strerror(-ret));
exit(1);
}
- fclose(fp);
break;
}
case QEMU_OPTION_writeconfig:
exit(1);
}
- if (kvm_enabled()) {
- int ret;
-
- ret = kvm_init(smp_cpus);
+ if (kvm_allowed) {
+ int ret = kvm_init(smp_cpus);
if (ret < 0) {
- fprintf(stderr, "failed to initialize KVM\n");
+ if (!kvm_available()) {
+ printf("KVM not supported for this target\n");
+ } else {
+ fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
+ }
exit(1);
}
}
}
configure_icount(icount_option);
-#ifdef _WIN32
socket_init();
-#endif
if (net_init_clients() < 0) {
exit(1);
}
- net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
- net_set_boot_mask(net_boot);
-
/* init the bluetooth world */
if (foreach_device_config(DEV_BT, bt_parse))
exit(1);