* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-#include <getopt.h>
-#include <inttypes.h>
+#include "vl.h"
+
#include <unistd.h>
-#include <sys/mman.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
+#include <errno.h>
#include <sys/time.h>
-#include <malloc.h>
+
+#ifndef _WIN32
+#include <sys/times.h>
+#include <sys/wait.h>
#include <termios.h>
#include <sys/poll.h>
-#include <errno.h>
-#include <sys/wait.h>
-#include <pty.h>
-
+#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
+#include <netinet/in.h>
+#include <dirent.h>
+#ifdef _BSD
+#include <sys/stat.h>
+#ifndef __APPLE__
+#include <libutil.h>
+#endif
+#else
#include <linux/if.h>
#include <linux/if_tun.h>
+#include <pty.h>
+#include <malloc.h>
+#include <linux/rtc.h>
+#endif
+#endif
+
+#if defined(CONFIG_SLIRP)
+#include "libslirp.h"
+#endif
+
+#ifdef _WIN32
+#include <malloc.h>
+#include <sys/timeb.h>
+#include <windows.h>
+#define getopt_long_only getopt_long
+#define memalign(align, size) malloc(size)
+#endif
+
+#ifdef CONFIG_SDL
+#ifdef __APPLE__
+#include <SDL/SDL.h>
+#endif
+#endif /* CONFIG_SDL */
#include "disas.h"
-#include "thunk.h"
-#include "vl.h"
+#include "exec-all.h"
+
+//#define DO_TB_FLUSH
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
//#define DEBUG_UNUSED_IOPORT
+//#define DEBUG_IOPORT
#if !defined(CONFIG_SOFTMMU)
#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024)
#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
#endif
-#if defined (TARGET_I386)
-#elif defined (TARGET_PPC)
-//#define USE_OPEN_FIRMWARE
-#if !defined (USE_OPEN_FIRMWARE)
-#define KERNEL_LOAD_ADDR 0x01000000
-#define KERNEL_STACK_ADDR 0x01200000
+#ifdef TARGET_PPC
+#define DEFAULT_RAM_SIZE 144
#else
-#define KERNEL_LOAD_ADDR 0x00000000
-#define KERNEL_STACK_ADDR 0x00400000
-#endif
+#define DEFAULT_RAM_SIZE 128
#endif
-
-#define GUI_REFRESH_INTERVAL 30
+/* in ms */
+#define GUI_REFRESH_INTERVAL 30
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD];
int vga_ram_size;
+int bios_size;
static DisplayState display_state;
int nographic;
-int term_inited;
int64_t ticks_per_sec;
int boot_device = 'c';
-static int ram_size;
+int ram_size;
static char network_script[1024];
int pit_min_timer_count = 0;
int nb_nics;
NetDriverState nd_table[MAX_NICS];
-SerialState *serial_console;
+QEMUTimer *gui_timer;
+int vm_running;
+int audio_enabled = 0;
+int pci_enabled = 1;
+int prep_enabled = 0;
+int rtc_utc = 1;
+int cirrus_vga_enabled = 1;
+int graphic_width = 800;
+int graphic_height = 600;
+int graphic_depth = 15;
+int full_screen = 0;
+TextConsole *vga_console;
+CharDriverState *serial_hds[MAX_SERIAL_PORTS];
/***********************************************************/
-/* x86 io ports */
+/* x86 ISA bus support */
+
+target_phys_addr_t isa_mem_base = 0;
uint32_t default_ioport_readb(void *opaque, uint32_t address)
{
uint32_t default_ioport_readw(void *opaque, uint32_t address)
{
uint32_t data;
- data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address);
- data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8;
+ data = ioport_read_table[0][address](ioport_opaque[address], address);
+ address = (address + 1) & (MAX_IOPORTS - 1);
+ data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
return data;
}
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
{
- ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff);
- ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff);
+ ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
+ address = (address + 1) & (MAX_IOPORTS - 1);
+ ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
}
uint32_t default_ioport_readl(void *opaque, uint32_t address)
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;
+ }
+}
+
void pstrcpy(char *buf, int buf_size, const char *str)
{
int c;
return buf;
}
+int strstart(const char *str, const char *val, const char **ptr)
+{
+ const char *p, *q;
+ p = str;
+ q = val;
+ while (*q != '\0') {
+ if (*p != *q)
+ return 0;
+ p++;
+ q++;
+ }
+ if (ptr)
+ *ptr = p;
+ return 1;
+}
+
+/* return the size or -1 if error */
+int get_image_size(const char *filename)
+{
+ int fd, size;
+ fd = open(filename, O_RDONLY | O_BINARY);
+ if (fd < 0)
+ return -1;
+ size = lseek(fd, 0, SEEK_END);
+ close(fd);
+ return size;
+}
+
/* return the size or -1 if error */
int load_image(const char *filename, uint8_t *addr)
{
int fd, size;
- fd = open(filename, O_RDONLY);
+ fd = open(filename, O_RDONLY | O_BINARY);
if (fd < 0)
return -1;
size = lseek(fd, 0, SEEK_END);
void cpu_outb(CPUState *env, int addr, int val)
{
- addr &= (MAX_IOPORTS - 1);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outb: %04x %02x\n", addr, val);
+#endif
ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
}
void cpu_outw(CPUState *env, int addr, int val)
{
- addr &= (MAX_IOPORTS - 1);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outw: %04x %04x\n", addr, val);
+#endif
ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
}
void cpu_outl(CPUState *env, int addr, int val)
{
- addr &= (MAX_IOPORTS - 1);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "outl: %04x %08x\n", addr, val);
+#endif
ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
}
int cpu_inb(CPUState *env, int addr)
{
- addr &= (MAX_IOPORTS - 1);
- return ioport_read_table[0][addr](ioport_opaque[addr], addr);
+ int val;
+ val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inb : %04x %02x\n", addr, val);
+#endif
+ return val;
}
int cpu_inw(CPUState *env, int addr)
{
- addr &= (MAX_IOPORTS - 1);
- return ioport_read_table[1][addr](ioport_opaque[addr], addr);
+ int val;
+ val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inw : %04x %04x\n", addr, val);
+#endif
+ return val;
}
int cpu_inl(CPUState *env, int addr)
{
- addr &= (MAX_IOPORTS - 1);
- return ioport_read_table[2][addr](ioport_opaque[addr], addr);
+ int val;
+ val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
+#ifdef DEBUG_IOPORT
+ if (loglevel & CPU_LOG_IOPORT)
+ fprintf(logfile, "inl : %04x %08x\n", addr, val);
+#endif
+ return val;
}
/***********************************************************/
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
#ifdef TARGET_I386
- cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP);
+ cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
#else
- cpu_dump_state(global_env, stderr, 0);
+ cpu_dump_state(global_env, stderr, fprintf, 0);
#endif
va_end(ap);
abort();
}
+/***********************************************************/
+/* keyboard/mouse */
+
+static QEMUPutKBDEvent *qemu_put_kbd_event;
+static void *qemu_put_kbd_event_opaque;
+static QEMUPutMouseEvent *qemu_put_mouse_event;
+static void *qemu_put_mouse_event_opaque;
+
+void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
+{
+ qemu_put_kbd_event_opaque = opaque;
+ qemu_put_kbd_event = func;
+}
+
+void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
+{
+ qemu_put_mouse_event_opaque = opaque;
+ qemu_put_mouse_event = func;
+}
+
+void kbd_put_keycode(int keycode)
+{
+ if (qemu_put_kbd_event) {
+ qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
+ }
+}
+
+void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
+{
+ if (qemu_put_mouse_event) {
+ qemu_put_mouse_event(qemu_put_mouse_event_opaque,
+ dx, dy, dz, buttons_state);
+ }
+}
+
+/***********************************************************/
+/* timers */
+
#if defined(__powerpc__)
static inline uint32_t get_tbl(void)
int64_t cpu_get_real_ticks(void)
{
int64_t val;
- asm("rdtsc" : "=A" (val));
+ asm volatile ("rdtsc" : "=A" (val));
+ return val;
+}
+
+#elif defined(__x86_64__)
+
+int64_t cpu_get_real_ticks(void)
+{
+ uint32_t low,high;
+ int64_t val;
+ asm volatile("rdtsc" : "=a" (low), "=d" (high));
+ val = high;
+ val <<= 32;
+ val |= low;
return val;
}
#endif
static int64_t cpu_ticks_offset;
-static int64_t cpu_ticks_last;
+static int cpu_ticks_enabled;
-int64_t cpu_get_ticks(void)
+static inline int64_t cpu_get_ticks(void)
{
- return cpu_get_real_ticks() + cpu_ticks_offset;
+ if (!cpu_ticks_enabled) {
+ return cpu_ticks_offset;
+ } else {
+ return cpu_get_real_ticks() + cpu_ticks_offset;
+ }
}
/* enable cpu_get_ticks() */
void cpu_enable_ticks(void)
{
- cpu_ticks_offset = cpu_ticks_last - cpu_get_real_ticks();
+ if (!cpu_ticks_enabled) {
+ cpu_ticks_offset -= cpu_get_real_ticks();
+ cpu_ticks_enabled = 1;
+ }
}
/* disable cpu_get_ticks() : the clock is stopped. You must not call
cpu_get_ticks() after that. */
void cpu_disable_ticks(void)
{
- cpu_ticks_last = cpu_get_ticks();
+ if (cpu_ticks_enabled) {
+ cpu_ticks_offset = cpu_get_ticks();
+ cpu_ticks_enabled = 0;
+ }
}
-int64_t get_clock(void)
+static int64_t get_clock(void)
{
+#ifdef _WIN32
+ struct _timeb tb;
+ _ftime(&tb);
+ return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000;
+#else
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000000LL + tv.tv_usec;
+#endif
}
void cpu_calibrate_ticks(void)
int64_t usec, ticks;
usec = get_clock();
- ticks = cpu_get_ticks();
+ ticks = cpu_get_real_ticks();
+#ifdef _WIN32
+ Sleep(50);
+#else
usleep(50 * 1000);
+#endif
usec = get_clock() - usec;
- ticks = cpu_get_ticks() - ticks;
+ ticks = cpu_get_real_ticks() - ticks;
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec;
}
return res.ll;
}
-/***********************************************************/
-/* serial device */
+#define QEMU_TIMER_REALTIME 0
+#define QEMU_TIMER_VIRTUAL 1
-int serial_open_device(void)
-{
- char slave_name[1024];
- int master_fd, slave_fd;
+struct QEMUClock {
+ int type;
+ /* XXX: add frequency */
+};
- if (serial_console == NULL && nographic) {
- /* use console for serial port */
- return 0;
- } else {
- if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
- fprintf(stderr, "warning: could not create pseudo terminal for serial port\n");
- return -1;
- }
- fprintf(stderr, "Serial port redirected to %s\n", slave_name);
- return master_fd;
- }
-}
+struct QEMUTimer {
+ QEMUClock *clock;
+ int64_t expire_time;
+ QEMUTimerCB *cb;
+ void *opaque;
+ struct QEMUTimer *next;
+};
-/***********************************************************/
-/* Linux network device redirector */
+QEMUClock *rt_clock;
+QEMUClock *vm_clock;
-static int tun_open(char *ifname, int ifname_size)
+static QEMUTimer *active_timers[2];
+#ifdef _WIN32
+static MMRESULT timerID;
+#else
+/* frequency of the times() clock tick */
+static int timer_freq;
+#endif
+
+QEMUClock *qemu_new_clock(int type)
{
- struct ifreq ifr;
- int fd, ret;
-
- fd = open("/dev/net/tun", O_RDWR);
- if (fd < 0) {
- fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
- return -1;
- }
- memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
- ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
- if (ret != 0) {
- fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
- close(fd);
- return -1;
- }
- printf("Connected to host network interface: %s\n", ifr.ifr_name);
- pstrcpy(ifname, ifname_size, ifr.ifr_name);
- fcntl(fd, F_SETFL, O_NONBLOCK);
- return fd;
+ QEMUClock *clock;
+ clock = qemu_mallocz(sizeof(QEMUClock));
+ if (!clock)
+ return NULL;
+ clock->type = type;
+ return clock;
}
-static int net_init(void)
+QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
{
- int pid, status, launch_script, i;
- NetDriverState *nd;
- char *args[MAX_NICS + 2];
- char **parg;
-
- launch_script = 0;
- for(i = 0; i < nb_nics; i++) {
- nd = &nd_table[i];
- if (nd->fd < 0) {
- nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
- if (nd->fd >= 0)
- launch_script = 1;
- }
- }
+ QEMUTimer *ts;
- if (launch_script) {
- /* try to launch network init script */
- pid = fork();
- if (pid >= 0) {
- if (pid == 0) {
- parg = args;
- *parg++ = network_script;
- for(i = 0; i < nb_nics; i++) {
- nd = &nd_table[i];
- if (nd->fd >= 0) {
- *parg++ = nd->ifname;
- }
- }
- *parg++ = NULL;
- execv(network_script, args);
- exit(1);
- }
- while (waitpid(pid, &status, 0) != pid);
- if (!WIFEXITED(status) ||
- WEXITSTATUS(status) != 0) {
- fprintf(stderr, "%s: could not launch network script\n",
- network_script);
- }
- }
- }
- return 0;
+ ts = qemu_mallocz(sizeof(QEMUTimer));
+ ts->clock = clock;
+ ts->cb = cb;
+ ts->opaque = opaque;
+ return ts;
}
-void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
+void qemu_free_timer(QEMUTimer *ts)
{
-#ifdef DEBUG_NE2000
- printf("NE2000: sending packet size=%d\n", size);
-#endif
- write(nd->fd, buf, size);
+ qemu_free(ts);
}
-/***********************************************************/
-/* dumb display */
-
-/* init terminal so that we can grab keys */
-static struct termios oldtty;
-
-static void term_exit(void)
+/* stop a timer, but do not dealloc it */
+void qemu_del_timer(QEMUTimer *ts)
{
- tcsetattr (0, TCSANOW, &oldtty);
+ QEMUTimer **pt, *t;
+
+ /* NOTE: this code must be signal safe because
+ qemu_timer_expired() can be called from a signal. */
+ pt = &active_timers[ts->clock->type];
+ for(;;) {
+ t = *pt;
+ if (!t)
+ break;
+ if (t == ts) {
+ *pt = t->next;
+ break;
+ }
+ pt = &t->next;
+ }
}
-static void term_init(void)
+/* modify the current timer so that it will be fired when current_time
+ >= expire_time. The corresponding callback will be called. */
+void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
{
- struct termios tty;
-
- tcgetattr (0, &tty);
- oldtty = tty;
-
- tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
- |INLCR|IGNCR|ICRNL|IXON);
- tty.c_oflag |= OPOST;
- tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
- /* if graphical mode, we allow Ctrl-C handling */
- if (nographic)
- tty.c_lflag &= ~ISIG;
- tty.c_cflag &= ~(CSIZE|PARENB);
- tty.c_cflag |= CS8;
- tty.c_cc[VMIN] = 1;
- tty.c_cc[VTIME] = 0;
-
- tcsetattr (0, TCSANOW, &tty);
+ QEMUTimer **pt, *t;
- atexit(term_exit);
+ qemu_del_timer(ts);
- fcntl(0, F_SETFL, O_NONBLOCK);
+ /* add the timer in the sorted list */
+ /* NOTE: this code must be signal safe because
+ qemu_timer_expired() can be called from a signal. */
+ pt = &active_timers[ts->clock->type];
+ for(;;) {
+ t = *pt;
+ if (!t)
+ break;
+ if (t->expire_time > expire_time)
+ break;
+ pt = &t->next;
+ }
+ ts->expire_time = expire_time;
+ ts->next = *pt;
+ *pt = ts;
}
-static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
+int qemu_timer_pending(QEMUTimer *ts)
{
+ QEMUTimer *t;
+ for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
+ if (t == ts)
+ return 1;
+ }
+ return 0;
}
-static void dumb_resize(DisplayState *ds, int w, int h)
+static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
{
+ if (!timer_head)
+ return 0;
+ return (timer_head->expire_time <= current_time);
}
-static void dumb_refresh(DisplayState *ds)
+static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
{
- vga_update_display();
+ QEMUTimer *ts;
+
+ for(;;) {
+ ts = *ptimer_head;
+ if (!ts || ts->expire_time > current_time)
+ break;
+ /* remove timer from the list before calling the callback */
+ *ptimer_head = ts->next;
+ ts->next = NULL;
+
+ /* run the callback (the timer list can be modified) */
+ ts->cb(ts->opaque);
+ }
}
-void dumb_display_init(DisplayState *ds)
+int64_t qemu_get_clock(QEMUClock *clock)
{
- ds->data = NULL;
- ds->linesize = 0;
- ds->depth = 0;
- ds->dpy_update = dumb_update;
- ds->dpy_resize = dumb_resize;
- ds->dpy_refresh = dumb_refresh;
+ switch(clock->type) {
+ case QEMU_TIMER_REALTIME:
+#ifdef _WIN32
+ return GetTickCount();
+#else
+ {
+ struct tms tp;
+
+ /* Note that using gettimeofday() is not a good solution
+ for timers because its value change when the date is
+ modified. */
+ if (timer_freq == 100) {
+ return times(&tp) * 10;
+ } else {
+ return ((int64_t)times(&tp) * 1000) / timer_freq;
+ }
+ }
+#endif
+ default:
+ case QEMU_TIMER_VIRTUAL:
+ return cpu_get_ticks();
+ }
}
-#if !defined(CONFIG_SOFTMMU)
-/***********************************************************/
-/* cpu signal handler */
-static void host_segv_handler(int host_signum, siginfo_t *info,
- void *puc)
+/* save a timer */
+void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
{
- if (cpu_signal_handler(host_signum, info, puc))
- return;
- term_exit();
- abort();
+ uint64_t expire_time;
+
+ if (qemu_timer_pending(ts)) {
+ expire_time = ts->expire_time;
+ } else {
+ expire_time = -1;
+ }
+ qemu_put_be64(f, expire_time);
}
-#endif
-static int timer_irq_pending;
-static int timer_irq_count;
+void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
+{
+ uint64_t expire_time;
-static int timer_ms;
-static int gui_refresh_pending, gui_refresh_count;
+ expire_time = qemu_get_be64(f);
+ if (expire_time != -1) {
+ qemu_mod_timer(ts, expire_time);
+ } else {
+ qemu_del_timer(ts);
+ }
+}
-static void host_alarm_handler(int host_signum, siginfo_t *info,
- void *puc)
+static void timer_save(QEMUFile *f, void *opaque)
{
- /* NOTE: since usually the OS asks a 100 Hz clock, there can be
- some drift between cpu_get_ticks() and the interrupt time. So
- we queue some interrupts to avoid missing some */
- timer_irq_count += pit_get_out_edges(&pit_channels[0]);
- if (timer_irq_count) {
- if (timer_irq_count > 2)
- timer_irq_count = 2;
- timer_irq_count--;
- timer_irq_pending = 1;
+ if (cpu_ticks_enabled) {
+ hw_error("cannot save state if virtual timers are running");
}
- gui_refresh_count += timer_ms;
- if (gui_refresh_count >= GUI_REFRESH_INTERVAL) {
- gui_refresh_count = 0;
- gui_refresh_pending = 1;
+ qemu_put_be64s(f, &cpu_ticks_offset);
+ qemu_put_be64s(f, &ticks_per_sec);
+}
+
+static int timer_load(QEMUFile *f, void *opaque, int version_id)
+{
+ if (version_id != 1)
+ return -EINVAL;
+ if (cpu_ticks_enabled) {
+ return -EINVAL;
}
+ qemu_get_be64s(f, &cpu_ticks_offset);
+ qemu_get_be64s(f, &ticks_per_sec);
+ return 0;
+}
- if (gui_refresh_pending || timer_irq_pending) {
- /* just exit from the cpu to have a chance to handle timers */
+#ifdef _WIN32
+void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
+ DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
+#else
+static void host_alarm_handler(int host_signum)
+#endif
+{
+#if 0
+#define DISP_FREQ 1000
+ {
+ static int64_t delta_min = INT64_MAX;
+ static int64_t delta_max, delta_cum, last_clock, delta, ti;
+ static int count;
+ ti = qemu_get_clock(vm_clock);
+ if (last_clock != 0) {
+ delta = ti - last_clock;
+ if (delta < delta_min)
+ delta_min = delta;
+ if (delta > delta_max)
+ delta_max = delta;
+ delta_cum += delta;
+ if (++count == DISP_FREQ) {
+ printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
+ muldiv64(delta_min, 1000000, ticks_per_sec),
+ muldiv64(delta_max, 1000000, ticks_per_sec),
+ muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
+ (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
+ count = 0;
+ delta_min = INT64_MAX;
+ delta_max = 0;
+ delta_cum = 0;
+ }
+ }
+ last_clock = ti;
+ }
+#endif
+ if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock)) ||
+ qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock))) {
+ /* stop the cpu because a timer occured */
cpu_interrupt(global_env, CPU_INTERRUPT_EXIT);
}
}
-#define MAX_IO_HANDLERS 64
+#ifndef _WIN32
-typedef struct IOHandlerRecord {
- int fd;
- IOCanRWHandler *fd_can_read;
- IOReadHandler *fd_read;
- void *opaque;
- /* temporary data */
- struct pollfd *ufd;
- int max_size;
-} IOHandlerRecord;
+#if defined(__linux__)
-static IOHandlerRecord io_handlers[MAX_IO_HANDLERS];
-static int nb_io_handlers = 0;
+#define RTC_FREQ 1024
-int add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
- IOReadHandler *fd_read, void *opaque)
+static int rtc_fd;
+
+static int start_rtc_timer(void)
+{
+ rtc_fd = open("/dev/rtc", O_RDONLY);
+ if (rtc_fd < 0)
+ return -1;
+ if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
+ fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
+ "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
+ "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
+ goto fail;
+ }
+ if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
+ fail:
+ close(rtc_fd);
+ return -1;
+ }
+ pit_min_timer_count = PIT_FREQ / RTC_FREQ;
+ return 0;
+}
+
+#else
+
+static int start_rtc_timer(void)
+{
+ return -1;
+}
+
+#endif /* !defined(__linux__) */
+
+#endif /* !defined(_WIN32) */
+
+static void init_timers(void)
+{
+ rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
+ vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
+
+#ifdef _WIN32
+ {
+ int count=0;
+ timerID = timeSetEvent(10, // interval (ms)
+ 0, // resolution
+ host_alarm_handler, // function
+ (DWORD)&count, // user parameter
+ TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
+ if( !timerID ) {
+ perror("failed timer alarm");
+ exit(1);
+ }
+ }
+ pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
+#else
+ {
+ struct sigaction act;
+ struct itimerval itv;
+
+ /* get times() syscall frequency */
+ timer_freq = sysconf(_SC_CLK_TCK);
+
+ /* timer signal */
+ sigfillset(&act.sa_mask);
+ act.sa_flags = 0;
+#if defined (TARGET_I386) && defined(USE_CODE_COPY)
+ act.sa_flags |= SA_ONSTACK;
+#endif
+ act.sa_handler = host_alarm_handler;
+ sigaction(SIGALRM, &act, NULL);
+
+ itv.it_interval.tv_sec = 0;
+ itv.it_interval.tv_usec = 1000;
+ itv.it_value.tv_sec = 0;
+ itv.it_value.tv_usec = 10 * 1000;
+ setitimer(ITIMER_REAL, &itv, NULL);
+ /* we probe the tick duration of the kernel to inform the user if
+ the emulated kernel requested a too high timer frequency */
+ getitimer(ITIMER_REAL, &itv);
+
+#if defined(__linux__)
+ if (itv.it_interval.tv_usec > 1000) {
+ /* try to use /dev/rtc to have a faster timer */
+ if (start_rtc_timer() < 0)
+ goto use_itimer;
+ /* disable itimer */
+ itv.it_interval.tv_sec = 0;
+ itv.it_interval.tv_usec = 0;
+ itv.it_value.tv_sec = 0;
+ itv.it_value.tv_usec = 0;
+ setitimer(ITIMER_REAL, &itv, NULL);
+
+ /* use the RTC */
+ sigaction(SIGIO, &act, NULL);
+ fcntl(rtc_fd, F_SETFL, O_ASYNC);
+ fcntl(rtc_fd, F_SETOWN, getpid());
+ } else
+#endif /* defined(__linux__) */
+ {
+ use_itimer:
+ pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
+ PIT_FREQ) / 1000000;
+ }
+ }
+#endif
+}
+
+void quit_timers(void)
+{
+#ifdef _WIN32
+ timeKillEvent(timerID);
+#endif
+}
+
+/***********************************************************/
+/* character device */
+
+int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
+{
+ return s->chr_write(s, buf, len);
+}
+
+void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
+{
+ char buf[4096];
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ qemu_chr_write(s, buf, strlen(buf));
+ va_end(ap);
+}
+
+void qemu_chr_send_event(CharDriverState *s, int event)
+{
+ if (s->chr_send_event)
+ s->chr_send_event(s, event);
+}
+
+void qemu_chr_add_read_handler(CharDriverState *s,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
+}
+
+void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
+{
+ s->chr_event = chr_event;
+}
+
+static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ return len;
+}
+
+static void null_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+}
+
+CharDriverState *qemu_chr_open_null(void)
+{
+ CharDriverState *chr;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ chr->chr_write = null_chr_write;
+ chr->chr_add_read_handler = null_chr_add_read_handler;
+ return chr;
+}
+
+#ifndef _WIN32
+
+typedef struct {
+ int fd_in, fd_out;
+ /* for nographic stdio only */
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *fd_opaque;
+} FDCharDriver;
+
+#define STDIO_MAX_CLIENTS 2
+
+static int stdio_nb_clients;
+static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
+
+static int unix_write(int fd, const uint8_t *buf, int len1)
+{
+ int ret, len;
+
+ len = len1;
+ while (len > 0) {
+ ret = write(fd, buf, len);
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN)
+ return -1;
+ } else if (ret == 0) {
+ break;
+ } else {
+ buf += ret;
+ len -= ret;
+ }
+ }
+ return len1 - len;
+}
+
+static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ FDCharDriver *s = chr->opaque;
+ return unix_write(s->fd_out, buf, len);
+}
+
+static void fd_chr_add_read_handler(CharDriverState *chr,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ FDCharDriver *s = chr->opaque;
+
+ if (nographic && s->fd_in == 0) {
+ s->fd_can_read = fd_can_read;
+ s->fd_read = fd_read;
+ s->fd_opaque = opaque;
+ } else {
+ qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque);
+ }
+}
+
+/* open a character device to a unix fd */
+CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
+{
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+ s = qemu_mallocz(sizeof(FDCharDriver));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ s->fd_in = fd_in;
+ s->fd_out = fd_out;
+ chr->opaque = s;
+ chr->chr_write = fd_chr_write;
+ chr->chr_add_read_handler = fd_chr_add_read_handler;
+ return chr;
+}
+
+/* for STDIO, we handle the case where several clients use it
+ (nographic mode) */
+
+#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
+
+static int term_got_escape, client_index;
+
+void term_print_help(void)
+{
+ printf("\n"
+ "C-a h print this help\n"
+ "C-a x exit emulator\n"
+ "C-a s save disk data back to file (if -snapshot)\n"
+ "C-a b send break (magic sysrq)\n"
+ "C-a c switch between console and monitor\n"
+ "C-a C-a send C-a\n"
+ );
+}
+
+/* called when a char is received */
+static void stdio_received_byte(int ch)
+{
+ if (term_got_escape) {
+ term_got_escape = 0;
+ switch(ch) {
+ case 'h':
+ term_print_help();
+ break;
+ case 'x':
+ exit(0);
+ break;
+ case 's':
+ {
+ int i;
+ for (i = 0; i < MAX_DISKS; i++) {
+ if (bs_table[i])
+ bdrv_commit(bs_table[i]);
+ }
+ }
+ break;
+ case 'b':
+ if (client_index < stdio_nb_clients) {
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
+ }
+ break;
+ case 'c':
+ client_index++;
+ if (client_index >= stdio_nb_clients)
+ client_index = 0;
+ if (client_index == 0) {
+ /* send a new line in the monitor to get the prompt */
+ ch = '\r';
+ goto send_char;
+ }
+ break;
+ case TERM_ESCAPE:
+ goto send_char;
+ }
+ } else if (ch == TERM_ESCAPE) {
+ term_got_escape = 1;
+ } else {
+ send_char:
+ if (client_index < stdio_nb_clients) {
+ uint8_t buf[1];
+ CharDriverState *chr;
+ FDCharDriver *s;
+
+ chr = stdio_clients[client_index];
+ s = chr->opaque;
+ buf[0] = ch;
+ /* XXX: should queue the char if the device is not
+ ready */
+ if (s->fd_can_read(s->fd_opaque) > 0)
+ s->fd_read(s->fd_opaque, buf, 1);
+ }
+ }
+}
+
+static int stdio_can_read(void *opaque)
+{
+ /* XXX: not strictly correct */
+ return 1;
+}
+
+static void stdio_read(void *opaque, const uint8_t *buf, int size)
+{
+ int i;
+ for(i = 0; i < size; i++)
+ stdio_received_byte(buf[i]);
+}
+
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+static int old_fd0_flags;
+
+static void term_exit(void)
+{
+ tcsetattr (0, TCSANOW, &oldtty);
+ fcntl(0, F_SETFL, old_fd0_flags);
+}
+
+static void term_init(void)
+{
+ struct termios tty;
+
+ tcgetattr (0, &tty);
+ oldtty = tty;
+ old_fd0_flags = fcntl(0, F_GETFL);
+
+ tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+ |INLCR|IGNCR|ICRNL|IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+ /* if graphical mode, we allow Ctrl-C handling */
+ if (nographic)
+ tty.c_lflag &= ~ISIG;
+ tty.c_cflag &= ~(CSIZE|PARENB);
+ tty.c_cflag |= CS8;
+ tty.c_cc[VMIN] = 1;
+ tty.c_cc[VTIME] = 0;
+
+ tcsetattr (0, TCSANOW, &tty);
+
+ atexit(term_exit);
+
+ fcntl(0, F_SETFL, O_NONBLOCK);
+}
+
+CharDriverState *qemu_chr_open_stdio(void)
+{
+ CharDriverState *chr;
+
+ if (nographic) {
+ if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
+ if (stdio_nb_clients == 0)
+ qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL);
+ client_index = stdio_nb_clients;
+ } else {
+ if (stdio_nb_clients != 0)
+ return NULL;
+ chr = qemu_chr_open_fd(0, 1);
+ }
+ stdio_clients[stdio_nb_clients++] = chr;
+ if (stdio_nb_clients == 1) {
+ /* set the terminal in raw mode */
+ term_init();
+ }
+ return chr;
+}
+
+#if defined(__linux__)
+CharDriverState *qemu_chr_open_pty(void)
+{
+ char slave_name[1024];
+ int master_fd, slave_fd;
+
+ /* Not satisfying */
+ if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
+ return NULL;
+ }
+ fprintf(stderr, "char device redirected to %s\n", slave_name);
+ return qemu_chr_open_fd(master_fd, master_fd);
+}
+#else
+CharDriverState *qemu_chr_open_pty(void)
+{
+ return NULL;
+}
+#endif
+
+#endif /* !defined(_WIN32) */
+
+CharDriverState *qemu_chr_open(const char *filename)
+{
+ if (!strcmp(filename, "vc")) {
+ return text_console_init(&display_state);
+ } else if (!strcmp(filename, "null")) {
+ return qemu_chr_open_null();
+ } else
+#ifndef _WIN32
+ if (!strcmp(filename, "pty")) {
+ return qemu_chr_open_pty();
+ } else if (!strcmp(filename, "stdio")) {
+ return qemu_chr_open_stdio();
+ } else
+#endif
+ {
+ return NULL;
+ }
+}
+
+/***********************************************************/
+/* Linux network device redirectors */
+
+void hex_dump(FILE *f, const uint8_t *buf, int size)
+{
+ int len, i, j, c;
+
+ for(i=0;i<size;i+=16) {
+ len = size - i;
+ if (len > 16)
+ len = 16;
+ fprintf(f, "%08x ", i);
+ for(j=0;j<16;j++) {
+ if (j < len)
+ fprintf(f, " %02x", buf[i+j]);
+ else
+ fprintf(f, " ");
+ }
+ fprintf(f, " ");
+ for(j=0;j<len;j++) {
+ c = buf[i+j];
+ if (c < ' ' || c > '~')
+ c = '.';
+ fprintf(f, "%c", c);
+ }
+ fprintf(f, "\n");
+ }
+}
+
+void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
+{
+ nd->send_packet(nd, buf, size);
+}
+
+void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ nd->add_read_packet(nd, fd_can_read, fd_read, opaque);
+}
+
+/* dummy network adapter */
+
+static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
+{
+}
+
+static void dummy_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+}
+
+static int net_dummy_init(NetDriverState *nd)
+{
+ nd->send_packet = dummy_send_packet;
+ nd->add_read_packet = dummy_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy");
+ return 0;
+}
+
+#if defined(CONFIG_SLIRP)
+
+/* slirp network adapter */
+
+static void *slirp_fd_opaque;
+static IOCanRWHandler *slirp_fd_can_read;
+static IOReadHandler *slirp_fd_read;
+static int slirp_inited;
+
+int slirp_can_output(void)
+{
+ return slirp_fd_can_read(slirp_fd_opaque);
+}
+
+void slirp_output(const uint8_t *pkt, int pkt_len)
+{
+#if 0
+ printf("output:\n");
+ hex_dump(stdout, pkt, pkt_len);
+#endif
+ slirp_fd_read(slirp_fd_opaque, pkt, pkt_len);
+}
+
+static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
+{
+#if 0
+ printf("input:\n");
+ hex_dump(stdout, buf, size);
+#endif
+ slirp_input(buf, size);
+}
+
+static void slirp_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ slirp_fd_opaque = opaque;
+ slirp_fd_can_read = fd_can_read;
+ slirp_fd_read = fd_read;
+}
+
+static int net_slirp_init(NetDriverState *nd)
+{
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+ nd->send_packet = slirp_send_packet;
+ nd->add_read_packet = slirp_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp");
+ return 0;
+}
+
+static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
+{
+ const char *p, *p1;
+ int len;
+ p = *pp;
+ p1 = strchr(p, sep);
+ if (!p1)
+ return -1;
+ len = p1 - p;
+ p1++;
+ if (buf_size > 0) {
+ if (len > buf_size - 1)
+ len = buf_size - 1;
+ memcpy(buf, p, len);
+ buf[len] = '\0';
+ }
+ *pp = p1;
+ return 0;
+}
+
+static void net_slirp_redir(const char *redir_str)
+{
+ int is_udp;
+ char buf[256], *r;
+ const char *p;
+ struct in_addr guest_addr;
+ int host_port, guest_port;
+
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+
+ p = redir_str;
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ if (!strcmp(buf, "tcp")) {
+ is_udp = 0;
+ } else if (!strcmp(buf, "udp")) {
+ is_udp = 1;
+ } else {
+ goto fail;
+ }
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ host_port = strtol(buf, &r, 0);
+ if (r == buf)
+ goto fail;
+
+ if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
+ goto fail;
+ if (buf[0] == '\0') {
+ pstrcpy(buf, sizeof(buf), "10.0.2.15");
+ }
+ if (!inet_aton(buf, &guest_addr))
+ goto fail;
+
+ guest_port = strtol(p, &r, 0);
+ if (r == p)
+ goto fail;
+
+ if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
+ fprintf(stderr, "qemu: could not set up redirection\n");
+ exit(1);
+ }
+ return;
+ fail:
+ fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
+ exit(1);
+}
+
+#ifndef _WIN32
+
+char smb_dir[1024];
+
+static void smb_exit(void)
+{
+ DIR *d;
+ struct dirent *de;
+ char filename[1024];
+
+ /* erase all the files in the directory */
+ d = opendir(smb_dir);
+ for(;;) {
+ de = readdir(d);
+ if (!de)
+ break;
+ if (strcmp(de->d_name, ".") != 0 &&
+ strcmp(de->d_name, "..") != 0) {
+ snprintf(filename, sizeof(filename), "%s/%s",
+ smb_dir, de->d_name);
+ unlink(filename);
+ }
+ }
+ closedir(d);
+ rmdir(smb_dir);
+}
+
+/* automatic user mode samba server configuration */
+void net_slirp_smb(const char *exported_dir)
+{
+ char smb_conf[1024];
+ char smb_cmdline[1024];
+ FILE *f;
+
+ if (!slirp_inited) {
+ slirp_inited = 1;
+ slirp_init();
+ }
+
+ /* XXX: better tmp dir construction */
+ snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
+ if (mkdir(smb_dir, 0700) < 0) {
+ fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
+ exit(1);
+ }
+ snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
+
+ f = fopen(smb_conf, "w");
+ if (!f) {
+ fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
+ exit(1);
+ }
+ fprintf(f,
+ "[global]\n"
+ "pid directory=%s\n"
+ "lock directory=%s\n"
+ "log file=%s/log.smbd\n"
+ "smb passwd file=%s/smbpasswd\n"
+ "security = share\n"
+ "[qemu]\n"
+ "path=%s\n"
+ "read only=no\n"
+ "guest ok=yes\n",
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ smb_dir,
+ exported_dir
+ );
+ fclose(f);
+ atexit(smb_exit);
+
+ snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
+ smb_conf);
+
+ slirp_add_exec(0, smb_cmdline, 4, 139);
+}
+
+#endif /* !defined(_WIN32) */
+
+#endif /* CONFIG_SLIRP */
+
+#if !defined(_WIN32)
+#ifdef _BSD
+static int tun_open(char *ifname, int ifname_size)
+{
+ int fd;
+ char *dev;
+ struct stat s;
+
+ fd = open("/dev/tap", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
+ return -1;
+ }
+
+ fstat(fd, &s);
+ dev = devname(s.st_rdev, S_IFCHR);
+ pstrcpy(ifname, ifname_size, dev);
+
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#else
+static int tun_open(char *ifname, int ifname_size)
+{
+ struct ifreq ifr;
+ int fd, ret;
+
+ fd = open("/dev/net/tun", O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
+ return -1;
+ }
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+ pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
+ ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
+ if (ret != 0) {
+ fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
+ close(fd);
+ return -1;
+ }
+ printf("Connected to host network interface: %s\n", ifr.ifr_name);
+ pstrcpy(ifname, ifname_size, ifr.ifr_name);
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ return fd;
+}
+#endif
+
+static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size)
+{
+ write(nd->fd, buf, size);
+}
+
+static void tun_add_read_packet(NetDriverState *nd,
+ IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
+{
+ qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque);
+}
+
+static int net_tun_init(NetDriverState *nd)
+{
+ int pid, status;
+ char *args[3];
+ char **parg;
+
+ nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
+ if (nd->fd < 0)
+ return -1;
+
+ /* try to launch network init script */
+ pid = fork();
+ if (pid >= 0) {
+ if (pid == 0) {
+ parg = args;
+ *parg++ = network_script;
+ *parg++ = nd->ifname;
+ *parg++ = NULL;
+ execv(network_script, args);
+ exit(1);
+ }
+ while (waitpid(pid, &status, 0) != pid);
+ if (!WIFEXITED(status) ||
+ WEXITSTATUS(status) != 0) {
+ fprintf(stderr, "%s: could not launch network script\n",
+ network_script);
+ }
+ }
+ nd->send_packet = tun_send_packet;
+ nd->add_read_packet = tun_add_read_packet;
+ return 0;
+}
+
+static int net_fd_init(NetDriverState *nd, int fd)
+{
+ nd->fd = fd;
+ nd->send_packet = tun_send_packet;
+ nd->add_read_packet = tun_add_read_packet;
+ pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd");
+ return 0;
+}
+
+#endif /* !_WIN32 */
+
+/***********************************************************/
+/* dumb display */
+
+static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
+{
+}
+
+static void dumb_resize(DisplayState *ds, int w, int h)
+{
+}
+
+static void dumb_refresh(DisplayState *ds)
+{
+ vga_update_display();
+}
+
+void dumb_display_init(DisplayState *ds)
+{
+ ds->data = NULL;
+ ds->linesize = 0;
+ ds->depth = 0;
+ ds->dpy_update = dumb_update;
+ ds->dpy_resize = dumb_resize;
+ ds->dpy_refresh = dumb_refresh;
+}
+
+#if !defined(CONFIG_SOFTMMU)
+/***********************************************************/
+/* cpu signal handler */
+static void host_segv_handler(int host_signum, siginfo_t *info,
+ void *puc)
+{
+ if (cpu_signal_handler(host_signum, info, puc))
+ return;
+ if (stdio_nb_clients > 0)
+ term_exit();
+ abort();
+}
+#endif
+
+/***********************************************************/
+/* I/O handling */
+
+#define MAX_IO_HANDLERS 64
+
+typedef struct IOHandlerRecord {
+ int fd;
+ IOCanRWHandler *fd_can_read;
+ IOReadHandler *fd_read;
+ void *opaque;
+ /* temporary data */
+ struct pollfd *ufd;
+ int max_size;
+ struct IOHandlerRecord *next;
+} IOHandlerRecord;
+
+static IOHandlerRecord *first_io_handler;
+
+int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read,
+ IOReadHandler *fd_read, void *opaque)
{
IOHandlerRecord *ioh;
- if (nb_io_handlers >= MAX_IO_HANDLERS)
- return -1;
- ioh = &io_handlers[nb_io_handlers];
- ioh->fd = fd;
- ioh->fd_can_read = fd_can_read;
- ioh->fd_read = fd_read;
- ioh->opaque = opaque;
- nb_io_handlers++;
+ ioh = qemu_mallocz(sizeof(IOHandlerRecord));
+ if (!ioh)
+ return -1;
+ ioh->fd = fd;
+ ioh->fd_can_read = fd_can_read;
+ ioh->fd_read = fd_read;
+ ioh->opaque = opaque;
+ ioh->next = first_io_handler;
+ first_io_handler = ioh;
+ return 0;
+}
+
+void qemu_del_fd_read_handler(int fd)
+{
+ IOHandlerRecord **pioh, *ioh;
+
+ pioh = &first_io_handler;
+ for(;;) {
+ ioh = *pioh;
+ if (ioh == NULL)
+ break;
+ if (ioh->fd == fd) {
+ *pioh = ioh->next;
+ break;
+ }
+ pioh = &ioh->next;
+ }
+}
+
+/***********************************************************/
+/* savevm/loadvm support */
+
+void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
+{
+ fwrite(buf, 1, size, f);
+}
+
+void qemu_put_byte(QEMUFile *f, int v)
+{
+ fputc(v, f);
+}
+
+void qemu_put_be16(QEMUFile *f, unsigned int v)
+{
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
+}
+
+void qemu_put_be32(QEMUFile *f, unsigned int v)
+{
+ qemu_put_byte(f, v >> 24);
+ qemu_put_byte(f, v >> 16);
+ qemu_put_byte(f, v >> 8);
+ qemu_put_byte(f, v);
+}
+
+void qemu_put_be64(QEMUFile *f, uint64_t v)
+{
+ qemu_put_be32(f, v >> 32);
+ qemu_put_be32(f, v);
+}
+
+int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
+{
+ return fread(buf, 1, size, f);
+}
+
+int qemu_get_byte(QEMUFile *f)
+{
+ int v;
+ v = fgetc(f);
+ if (v == EOF)
+ return 0;
+ else
+ return v;
+}
+
+unsigned int qemu_get_be16(QEMUFile *f)
+{
+ unsigned int v;
+ v = qemu_get_byte(f) << 8;
+ v |= qemu_get_byte(f);
+ return v;
+}
+
+unsigned int qemu_get_be32(QEMUFile *f)
+{
+ unsigned int v;
+ v = qemu_get_byte(f) << 24;
+ v |= qemu_get_byte(f) << 16;
+ v |= qemu_get_byte(f) << 8;
+ v |= qemu_get_byte(f);
+ return v;
+}
+
+uint64_t qemu_get_be64(QEMUFile *f)
+{
+ uint64_t v;
+ v = (uint64_t)qemu_get_be32(f) << 32;
+ v |= qemu_get_be32(f);
+ return v;
+}
+
+int64_t qemu_ftell(QEMUFile *f)
+{
+ return ftell(f);
+}
+
+int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
+{
+ if (fseek(f, pos, whence) < 0)
+ return -1;
+ return ftell(f);
+}
+
+typedef struct SaveStateEntry {
+ char idstr[256];
+ int instance_id;
+ int version_id;
+ SaveStateHandler *save_state;
+ LoadStateHandler *load_state;
+ void *opaque;
+ struct SaveStateEntry *next;
+} SaveStateEntry;
+
+static SaveStateEntry *first_se;
+
+int register_savevm(const char *idstr,
+ int instance_id,
+ int version_id,
+ SaveStateHandler *save_state,
+ LoadStateHandler *load_state,
+ void *opaque)
+{
+ SaveStateEntry *se, **pse;
+
+ se = qemu_malloc(sizeof(SaveStateEntry));
+ if (!se)
+ return -1;
+ pstrcpy(se->idstr, sizeof(se->idstr), idstr);
+ se->instance_id = instance_id;
+ se->version_id = version_id;
+ se->save_state = save_state;
+ se->load_state = load_state;
+ se->opaque = opaque;
+ se->next = NULL;
+
+ /* add at the end of list */
+ pse = &first_se;
+ while (*pse != NULL)
+ pse = &(*pse)->next;
+ *pse = se;
+ return 0;
+}
+
+#define QEMU_VM_FILE_MAGIC 0x5145564d
+#define QEMU_VM_FILE_VERSION 0x00000001
+
+int qemu_savevm(const char *filename)
+{
+ SaveStateEntry *se;
+ QEMUFile *f;
+ int len, len_pos, cur_pos, saved_vm_running, ret;
+
+ saved_vm_running = vm_running;
+ vm_stop(0);
+
+ f = fopen(filename, "wb");
+ if (!f) {
+ ret = -1;
+ goto the_end;
+ }
+
+ qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
+ qemu_put_be32(f, QEMU_VM_FILE_VERSION);
+
+ for(se = first_se; se != NULL; se = se->next) {
+ /* ID string */
+ len = strlen(se->idstr);
+ qemu_put_byte(f, len);
+ qemu_put_buffer(f, se->idstr, len);
+
+ qemu_put_be32(f, se->instance_id);
+ qemu_put_be32(f, se->version_id);
+
+ /* record size: filled later */
+ len_pos = ftell(f);
+ qemu_put_be32(f, 0);
+
+ se->save_state(f, se->opaque);
+
+ /* fill record size */
+ cur_pos = ftell(f);
+ len = ftell(f) - len_pos - 4;
+ fseek(f, len_pos, SEEK_SET);
+ qemu_put_be32(f, len);
+ fseek(f, cur_pos, SEEK_SET);
+ }
+
+ fclose(f);
+ ret = 0;
+ the_end:
+ if (saved_vm_running)
+ vm_start();
+ return ret;
+}
+
+static SaveStateEntry *find_se(const char *idstr, int instance_id)
+{
+ SaveStateEntry *se;
+
+ for(se = first_se; se != NULL; se = se->next) {
+ if (!strcmp(se->idstr, idstr) &&
+ instance_id == se->instance_id)
+ return se;
+ }
+ return NULL;
+}
+
+int qemu_loadvm(const char *filename)
+{
+ SaveStateEntry *se;
+ QEMUFile *f;
+ int len, cur_pos, ret, instance_id, record_len, version_id;
+ int saved_vm_running;
+ unsigned int v;
+ char idstr[256];
+
+ saved_vm_running = vm_running;
+ vm_stop(0);
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ ret = -1;
+ goto the_end;
+ }
+
+ v = qemu_get_be32(f);
+ if (v != QEMU_VM_FILE_MAGIC)
+ goto fail;
+ v = qemu_get_be32(f);
+ if (v != QEMU_VM_FILE_VERSION) {
+ fail:
+ fclose(f);
+ ret = -1;
+ goto the_end;
+ }
+ for(;;) {
+#if defined (DO_TB_FLUSH)
+ tb_flush(global_env);
+#endif
+ len = qemu_get_byte(f);
+ if (feof(f))
+ break;
+ qemu_get_buffer(f, idstr, len);
+ idstr[len] = '\0';
+ instance_id = qemu_get_be32(f);
+ version_id = qemu_get_be32(f);
+ record_len = qemu_get_be32(f);
+#if 0
+ printf("idstr=%s instance=0x%x version=%d len=%d\n",
+ idstr, instance_id, version_id, record_len);
+#endif
+ cur_pos = ftell(f);
+ se = find_se(idstr, instance_id);
+ if (!se) {
+ fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
+ instance_id, idstr);
+ } else {
+ ret = se->load_state(f, se->opaque, version_id);
+ if (ret < 0) {
+ fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
+ instance_id, idstr);
+ }
+ }
+ /* always seek to exact end of record */
+ qemu_fseek(f, cur_pos + record_len, SEEK_SET);
+ }
+ fclose(f);
+ ret = 0;
+ the_end:
+ if (saved_vm_running)
+ vm_start();
+ return ret;
+}
+
+/***********************************************************/
+/* cpu save/restore */
+
+#if defined(TARGET_I386)
+
+static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
+{
+ qemu_put_be32(f, dt->selector);
+ qemu_put_be32(f, (uint32_t)dt->base);
+ qemu_put_be32(f, dt->limit);
+ qemu_put_be32(f, dt->flags);
+}
+
+static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
+{
+ dt->selector = qemu_get_be32(f);
+ dt->base = (uint8_t *)qemu_get_be32(f);
+ dt->limit = qemu_get_be32(f);
+ dt->flags = qemu_get_be32(f);
+}
+
+void cpu_save(QEMUFile *f, void *opaque)
+{
+ CPUState *env = opaque;
+ uint16_t fptag, fpus, fpuc;
+ uint32_t hflags;
+ int i;
+
+ for(i = 0; i < 8; i++)
+ qemu_put_be32s(f, &env->regs[i]);
+ qemu_put_be32s(f, &env->eip);
+ qemu_put_be32s(f, &env->eflags);
+ qemu_put_be32s(f, &env->eflags);
+ hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
+ qemu_put_be32s(f, &hflags);
+
+ /* FPU */
+ fpuc = env->fpuc;
+ fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
+ fptag = 0;
+ for (i=7; i>=0; i--) {
+ fptag <<= 2;
+ if (env->fptags[i]) {
+ fptag |= 3;
+ }
+ }
+
+ qemu_put_be16s(f, &fpuc);
+ qemu_put_be16s(f, &fpus);
+ qemu_put_be16s(f, &fptag);
+
+ for(i = 0; i < 8; i++) {
+ uint64_t mant;
+ uint16_t exp;
+ cpu_get_fp80(&mant, &exp, env->fpregs[i]);
+ qemu_put_be64(f, mant);
+ qemu_put_be16(f, exp);
+ }
+
+ for(i = 0; i < 6; i++)
+ cpu_put_seg(f, &env->segs[i]);
+ cpu_put_seg(f, &env->ldt);
+ cpu_put_seg(f, &env->tr);
+ cpu_put_seg(f, &env->gdt);
+ cpu_put_seg(f, &env->idt);
+
+ qemu_put_be32s(f, &env->sysenter_cs);
+ qemu_put_be32s(f, &env->sysenter_esp);
+ qemu_put_be32s(f, &env->sysenter_eip);
+
+ qemu_put_be32s(f, &env->cr[0]);
+ qemu_put_be32s(f, &env->cr[2]);
+ qemu_put_be32s(f, &env->cr[3]);
+ qemu_put_be32s(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_put_be32s(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_put_be32s(f, &env->a20_mask);
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUState *env = opaque;
+ int i;
+ uint32_t hflags;
+ uint16_t fpus, fpuc, fptag;
+
+ if (version_id != 2)
+ return -EINVAL;
+ for(i = 0; i < 8; i++)
+ qemu_get_be32s(f, &env->regs[i]);
+ qemu_get_be32s(f, &env->eip);
+ qemu_get_be32s(f, &env->eflags);
+ qemu_get_be32s(f, &env->eflags);
+ qemu_get_be32s(f, &hflags);
+
+ qemu_get_be16s(f, &fpuc);
+ qemu_get_be16s(f, &fpus);
+ qemu_get_be16s(f, &fptag);
+
+ for(i = 0; i < 8; i++) {
+ uint64_t mant;
+ uint16_t exp;
+ mant = qemu_get_be64(f);
+ exp = qemu_get_be16(f);
+ env->fpregs[i] = cpu_set_fp80(mant, exp);
+ }
+
+ env->fpuc = fpuc;
+ env->fpstt = (fpus >> 11) & 7;
+ env->fpus = fpus & ~0x3800;
+ for(i = 0; i < 8; i++) {
+ env->fptags[i] = ((fptag & 3) == 3);
+ fptag >>= 2;
+ }
+
+ for(i = 0; i < 6; i++)
+ cpu_get_seg(f, &env->segs[i]);
+ cpu_get_seg(f, &env->ldt);
+ cpu_get_seg(f, &env->tr);
+ cpu_get_seg(f, &env->gdt);
+ cpu_get_seg(f, &env->idt);
+
+ qemu_get_be32s(f, &env->sysenter_cs);
+ qemu_get_be32s(f, &env->sysenter_esp);
+ qemu_get_be32s(f, &env->sysenter_eip);
+
+ qemu_get_be32s(f, &env->cr[0]);
+ qemu_get_be32s(f, &env->cr[2]);
+ qemu_get_be32s(f, &env->cr[3]);
+ qemu_get_be32s(f, &env->cr[4]);
+
+ for(i = 0; i < 8; i++)
+ qemu_get_be32s(f, &env->dr[i]);
+
+ /* MMU */
+ qemu_get_be32s(f, &env->a20_mask);
+
+ /* XXX: compute hflags from scratch, except for CPL and IIF */
+ env->hflags = hflags;
+ tlb_flush(env, 1);
+ return 0;
+}
+
+#elif defined(TARGET_PPC)
+void cpu_save(QEMUFile *f, void *opaque)
+{
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ return 0;
+}
+#elif defined(TARGET_SPARC)
+void cpu_save(QEMUFile *f, void *opaque)
+{
+}
+
+int cpu_load(QEMUFile *f, void *opaque, int version_id)
+{
+ return 0;
+}
+#else
+
+#warning No CPU save/restore functions
+
+#endif
+
+/***********************************************************/
+/* ram save/restore */
+
+/* we just avoid storing empty pages */
+static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len)
+{
+ int i, v;
+
+ v = buf[0];
+ for(i = 1; i < len; i++) {
+ if (buf[i] != v)
+ goto normal_save;
+ }
+ qemu_put_byte(f, 1);
+ qemu_put_byte(f, v);
+ return;
+ normal_save:
+ qemu_put_byte(f, 0);
+ qemu_put_buffer(f, buf, len);
+}
+
+static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
+{
+ int v;
+
+ v = qemu_get_byte(f);
+ switch(v) {
+ case 0:
+ if (qemu_get_buffer(f, buf, len) != len)
+ return -EIO;
+ break;
+ case 1:
+ v = qemu_get_byte(f);
+ memset(buf, v, len);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void ram_save(QEMUFile *f, void *opaque)
+{
+ int i;
+ qemu_put_be32(f, phys_ram_size);
+ for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
+ ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
+ }
+}
+
+static int ram_load(QEMUFile *f, void *opaque, int version_id)
+{
+ int i, ret;
+
+ if (version_id != 1)
+ return -EINVAL;
+ if (qemu_get_be32(f) != phys_ram_size)
+ return -EINVAL;
+ for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
+ ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
+ if (ret)
+ return ret;
+ }
return 0;
}
+/***********************************************************/
/* main execution loop */
-CPUState *cpu_gdbstub_get_env(void *opaque)
+void gui_update(void *opaque)
{
- return global_env;
+ display_state.dpy_refresh(&display_state);
+ qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
}
-int main_loop(void *opaque)
+/* XXX: support several handlers */
+VMStopHandler *vm_stop_cb;
+VMStopHandler *vm_stop_opaque;
+
+int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
{
- struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf, *gdb_ufd;
- int ret, n, timeout, serial_ok, max_size, i;
- uint8_t buf[4096];
- IOHandlerRecord *ioh;
- CPUState *env = global_env;
+ vm_stop_cb = cb;
+ vm_stop_opaque = opaque;
+ return 0;
+}
- if (!term_inited) {
- /* initialize terminal only there so that the user has a
- chance to stop QEMU with Ctrl-C before the gdb connection
- is launched */
- term_inited = 1;
- term_init();
+void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
+{
+ vm_stop_cb = NULL;
+}
+
+void vm_start(void)
+{
+ if (!vm_running) {
+ cpu_enable_ticks();
+ vm_running = 1;
}
+}
- serial_ok = 1;
- cpu_enable_ticks();
- for(;;) {
-#if defined (DO_TB_FLUSH)
- tb_flush();
-#endif
- ret = cpu_exec(env);
- if (reset_requested) {
- ret = EXCP_INTERRUPT;
- break;
- }
- if (ret == EXCP_DEBUG) {
- ret = EXCP_DEBUG;
- break;
+void vm_stop(int reason)
+{
+ if (vm_running) {
+ cpu_disable_ticks();
+ vm_running = 0;
+ if (reason != 0) {
+ if (vm_stop_cb) {
+ vm_stop_cb(vm_stop_opaque, reason);
+ }
}
- /* if hlt instruction, we wait until the next IRQ */
- if (ret == EXCP_HLT)
- timeout = 10;
- else
- timeout = 0;
+ }
+}
+
+/* reset/shutdown handler */
+
+typedef struct QEMUResetEntry {
+ QEMUResetHandler *func;
+ void *opaque;
+ struct QEMUResetEntry *next;
+} QEMUResetEntry;
+
+static QEMUResetEntry *first_reset_entry;
+static int reset_requested;
+static int shutdown_requested;
+
+void qemu_register_reset(QEMUResetHandler *func, void *opaque)
+{
+ QEMUResetEntry **pre, *re;
+
+ 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;
+}
+
+void qemu_system_reset(void)
+{
+ QEMUResetEntry *re;
+
+ /* reset all devices */
+ for(re = first_reset_entry; re != NULL; re = re->next) {
+ re->func(re->opaque);
+ }
+}
+
+void qemu_system_reset_request(void)
+{
+ reset_requested = 1;
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+void qemu_system_shutdown_request(void)
+{
+ shutdown_requested = 1;
+ cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
+}
+
+static void main_cpu_reset(void *opaque)
+{
+#ifdef TARGET_I386
+ CPUState *env = opaque;
+ cpu_reset(env);
+#endif
+}
+
+void main_loop_wait(int timeout)
+{
+#ifndef _WIN32
+ struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf;
+ IOHandlerRecord *ioh, *ioh_next;
+ uint8_t buf[4096];
+ int n, max_size;
+#endif
+ int ret;
+#ifdef _WIN32
+ if (timeout > 0)
+ Sleep(timeout);
+#else
/* poll any events */
+ /* XXX: separate device handlers from system ones */
pf = ufds;
- ioh = io_handlers;
- for(i = 0; i < nb_io_handlers; i++) {
- max_size = ioh->fd_can_read(ioh->opaque);
- if (max_size > 0) {
- if (max_size > sizeof(buf))
- max_size = sizeof(buf);
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (!ioh->fd_can_read) {
+ max_size = 0;
pf->fd = ioh->fd;
pf->events = POLLIN;
ioh->ufd = pf;
pf++;
} else {
- ioh->ufd = NULL;
+ max_size = ioh->fd_can_read(ioh->opaque);
+ if (max_size > 0) {
+ if (max_size > sizeof(buf))
+ max_size = sizeof(buf);
+ pf->fd = ioh->fd;
+ pf->events = POLLIN;
+ ioh->ufd = pf;
+ pf++;
+ } else {
+ ioh->ufd = NULL;
+ }
}
ioh->max_size = max_size;
- ioh++;
- }
-
- gdb_ufd = NULL;
- if (gdbstub_fd > 0) {
- gdb_ufd = pf;
- pf->fd = gdbstub_fd;
- pf->events = POLLIN;
- pf++;
}
-
+
ret = poll(ufds, pf - ufds, timeout);
if (ret > 0) {
- ioh = io_handlers;
- for(i = 0; i < nb_io_handlers; i++) {
+ /* XXX: better handling of removal */
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
+ ioh_next = ioh->next;
pf = ioh->ufd;
if (pf) {
- n = read(ioh->fd, buf, ioh->max_size);
- if (n > 0) {
- ioh->fd_read(ioh->opaque, buf, n);
+ if (pf->revents & POLLIN) {
+ if (ioh->max_size == 0) {
+ /* just a read event */
+ ioh->fd_read(ioh->opaque, NULL, 0);
+ } else {
+ n = read(ioh->fd, buf, ioh->max_size);
+ if (n >= 0) {
+ ioh->fd_read(ioh->opaque, buf, n);
+ } else if (errno != EAGAIN) {
+ ioh->fd_read(ioh->opaque, NULL, -errno);
+ }
+ }
}
}
- ioh++;
}
- if (gdb_ufd && (gdb_ufd->revents & POLLIN)) {
- uint8_t buf[1];
- /* stop emulation if requested by gdb */
- n = read(gdbstub_fd, buf, 1);
- if (n == 1) {
- ret = EXCP_INTERRUPT;
- break;
- }
+ }
+#endif /* !defined(_WIN32) */
+#if defined(CONFIG_SLIRP)
+ /* XXX: merge with poll() */
+ if (slirp_inited) {
+ fd_set rfds, wfds, xfds;
+ int nfds;
+ struct timeval tv;
+
+ nfds = -1;
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&xfds);
+ slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
+ if (ret >= 0) {
+ slirp_select_poll(&rfds, &wfds, &xfds);
}
}
-
- /* timer IRQ */
- if (timer_irq_pending) {
-#if defined (TARGET_I386)
- pic_set_irq(0, 1);
- pic_set_irq(0, 0);
- timer_irq_pending = 0;
- rtc_timer();
#endif
+
+ if (vm_running) {
+ qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
+ qemu_get_clock(vm_clock));
+ /* run dma transfers, if any */
+ DMA_run();
}
- /* XXX: add explicit timer */
- SB16_run();
- /* run dma transfers, if any */
- DMA_run();
+ /* real time timers */
+ qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
+ qemu_get_clock(rt_clock));
+}
+
+int main_loop(void)
+{
+ int ret, timeout;
+ CPUState *env = global_env;
- /* VGA */
- if (gui_refresh_pending) {
- display_state.dpy_refresh(&display_state);
- gui_refresh_pending = 0;
+ for(;;) {
+ if (vm_running) {
+ ret = cpu_exec(env);
+ if (shutdown_requested) {
+ ret = EXCP_INTERRUPT;
+ break;
+ }
+ if (reset_requested) {
+ reset_requested = 0;
+ qemu_system_reset();
+ ret = EXCP_INTERRUPT;
+ }
+ if (ret == EXCP_DEBUG) {
+ vm_stop(EXCP_DEBUG);
+ }
+ /* if hlt instruction, we wait until the next IRQ */
+ /* XXX: use timeout computed from timers */
+ if (ret == EXCP_HLT)
+ timeout = 10;
+ else
+ timeout = 0;
+ } else {
+ timeout = 10;
}
+ main_loop_wait(timeout);
}
cpu_disable_ticks();
return ret;
void help(void)
{
- printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
+ printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n"
"usage: %s [options] [disk_image]\n"
"\n"
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
"-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n"
"-snapshot write to temporary files instead of disk image files\n"
- "-m megs set virtual RAM size to megs MB\n"
+ "-m megs set virtual RAM size to megs MB [default=%d]\n"
"-nographic disable graphical output and redirect serial I/Os to console\n"
+ "-enable-audio enable audio support\n"
+ "-localtime set the real time clock to local time [default=utc]\n"
+ "-full-screen start in full screen\n"
+#ifdef TARGET_PPC
+ "-prep Simulate a PREP system (default is PowerMAC)\n"
+ "-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
+#endif
"\n"
"Network options:\n"
- "-n script set network init script [default=%s]\n"
- "-nics n simulate 'n' network interfaces [default=1]\n"
- "-tun-fd fd0[,...] use these fds as already opened tap/tun interfaces\n"
+ "-nics n simulate 'n' network cards [default=1]\n"
+ "-macaddr addr set the mac address of the first interface\n"
+ "-n script set tap/tun network init script [default=%s]\n"
+ "-tun-fd fd use this fd as already opened tap/tun interface\n"
+#ifdef CONFIG_SLIRP
+ "-user-net use user mode network stack [default if no tap/tun script]\n"
+ "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
+#ifndef _WIN32
+ "-smb dir allow SMB access to files in 'dir' [-user-net]\n"
+#endif
+ "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
+ " redirect TCP or UDP connections from host to guest [-user-net]\n"
+#endif
+ "-dummy-net use dummy network stack\n"
"\n"
"Linux boot specific:\n"
"-kernel bzImage use 'bzImage' as kernel image\n"
"-initrd file use 'file' as initial ram disk\n"
"\n"
"Debug/Expert options:\n"
+ "-monitor dev redirect the monitor to char device 'dev'\n"
+ "-serial dev redirect the serial port to char device 'dev'\n"
+ "-S freeze CPU at startup (use 'c' to start execution)\n"
"-s wait gdb connection to port %d\n"
"-p port change gdb connection port\n"
- "-d output log to %s\n"
+ "-d item1,... output log to %s (use -d ? for a list of log items)\n"
"-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n"
"-L path set the directory for the BIOS and VGA BIOS\n"
#ifdef USE_CODE_COPY
"-no-code-copy disable code copy acceleration\n"
#endif
-
+#ifdef TARGET_I386
+ "-isa simulate an ISA-only system (default is PCI system)\n"
+ "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
+ " (default is CL-GD5446 PCI VGA)\n"
+#endif
+ "-loadvm file start right away with a saved state (loadvm in monitor)\n"
+ "\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"
- "During emulation, use C-a h to get terminal commands:\n",
+ "When using -nographic, press 'ctrl-a h' to get some help.\n"
+ ,
#ifdef CONFIG_SOFTMMU
"qemu",
#else
"qemu-fast",
#endif
- DEFAULT_NETWORK_SCRIPT,
+ DEFAULT_RAM_SIZE,
+ DEFAULT_NETWORK_SCRIPT,
DEFAULT_GDBSTUB_PORT,
"/tmp/qemu.log");
- term_print_help();
#ifndef CONFIG_SOFTMMU
printf("\n"
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
exit(1);
}
-struct option long_options[] = {
- { "initrd", 1, NULL, 0, },
- { "hda", 1, NULL, 0, },
- { "hdb", 1, NULL, 0, },
- { "snapshot", 0, NULL, 0, },
- { "hdachs", 1, NULL, 0, },
- { "nographic", 0, NULL, 0, },
- { "kernel", 1, NULL, 0, },
- { "append", 1, NULL, 0, },
- { "tun-fd", 1, NULL, 0, },
- { "hdc", 1, NULL, 0, },
- { "hdd", 1, NULL, 0, },
- { "cdrom", 1, NULL, 0, },
- { "boot", 1, NULL, 0, },
- { "fda", 1, NULL, 0, },
- { "fdb", 1, NULL, 0, },
- { "no-code-copy", 0, NULL, 0 },
- { "nics", 1, NULL, 0 },
- { NULL, 0, NULL, 0 },
+#define HAS_ARG 0x0001
+
+enum {
+ QEMU_OPTION_h,
+
+ QEMU_OPTION_fda,
+ QEMU_OPTION_fdb,
+ QEMU_OPTION_hda,
+ QEMU_OPTION_hdb,
+ QEMU_OPTION_hdc,
+ QEMU_OPTION_hdd,
+ QEMU_OPTION_cdrom,
+ QEMU_OPTION_boot,
+ QEMU_OPTION_snapshot,
+ QEMU_OPTION_m,
+ QEMU_OPTION_nographic,
+ QEMU_OPTION_enable_audio,
+
+ QEMU_OPTION_nics,
+ QEMU_OPTION_macaddr,
+ QEMU_OPTION_n,
+ QEMU_OPTION_tun_fd,
+ QEMU_OPTION_user_net,
+ QEMU_OPTION_tftp,
+ QEMU_OPTION_smb,
+ QEMU_OPTION_redir,
+ QEMU_OPTION_dummy_net,
+
+ QEMU_OPTION_kernel,
+ QEMU_OPTION_append,
+ QEMU_OPTION_initrd,
+
+ QEMU_OPTION_S,
+ QEMU_OPTION_s,
+ QEMU_OPTION_p,
+ QEMU_OPTION_d,
+ QEMU_OPTION_hdachs,
+ QEMU_OPTION_L,
+ QEMU_OPTION_no_code_copy,
+ QEMU_OPTION_pci,
+ QEMU_OPTION_isa,
+ QEMU_OPTION_prep,
+ QEMU_OPTION_localtime,
+ QEMU_OPTION_cirrusvga,
+ QEMU_OPTION_g,
+ QEMU_OPTION_std_vga,
+ QEMU_OPTION_monitor,
+ QEMU_OPTION_serial,
+ QEMU_OPTION_loadvm,
+ QEMU_OPTION_full_screen,
};
-#ifdef CONFIG_SDL
-/* SDL use the pthreads and they modify sigaction. We don't
- want that. */
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
-extern void __libc_sigaction();
-#define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact)
-#else
-extern void __sigaction();
-#define sigaction(sig, act, oact) __sigaction(sig, act, oact)
+typedef struct QEMUOption {
+ const char *name;
+ int flags;
+ int index;
+} QEMUOption;
+
+const QEMUOption qemu_options[] = {
+ { "h", 0, QEMU_OPTION_h },
+
+ { "fda", HAS_ARG, QEMU_OPTION_fda },
+ { "fdb", HAS_ARG, QEMU_OPTION_fdb },
+ { "hda", HAS_ARG, QEMU_OPTION_hda },
+ { "hdb", HAS_ARG, QEMU_OPTION_hdb },
+ { "hdc", HAS_ARG, QEMU_OPTION_hdc },
+ { "hdd", HAS_ARG, QEMU_OPTION_hdd },
+ { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
+ { "boot", HAS_ARG, QEMU_OPTION_boot },
+ { "snapshot", 0, QEMU_OPTION_snapshot },
+ { "m", HAS_ARG, QEMU_OPTION_m },
+ { "nographic", 0, QEMU_OPTION_nographic },
+ { "enable-audio", 0, QEMU_OPTION_enable_audio },
+
+ { "nics", HAS_ARG, QEMU_OPTION_nics},
+ { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
+ { "n", HAS_ARG, QEMU_OPTION_n },
+ { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
+#ifdef CONFIG_SLIRP
+ { "user-net", 0, QEMU_OPTION_user_net },
+ { "tftp", HAS_ARG, QEMU_OPTION_tftp },
+#ifndef _WIN32
+ { "smb", HAS_ARG, QEMU_OPTION_smb },
#endif
-#endif /* CONFIG_SDL */
+ { "redir", HAS_ARG, QEMU_OPTION_redir },
+#endif
+ { "dummy-net", 0, QEMU_OPTION_dummy_net },
+
+ { "kernel", HAS_ARG, QEMU_OPTION_kernel },
+ { "append", HAS_ARG, QEMU_OPTION_append },
+ { "initrd", HAS_ARG, QEMU_OPTION_initrd },
+
+ { "S", 0, QEMU_OPTION_S },
+ { "s", 0, QEMU_OPTION_s },
+ { "p", HAS_ARG, QEMU_OPTION_p },
+ { "d", HAS_ARG, QEMU_OPTION_d },
+ { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
+ { "L", HAS_ARG, QEMU_OPTION_L },
+ { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
+#ifdef TARGET_PPC
+ { "prep", 0, QEMU_OPTION_prep },
+ { "g", 1, QEMU_OPTION_g },
+#endif
+ { "localtime", 0, QEMU_OPTION_localtime },
+ { "isa", 0, QEMU_OPTION_isa },
+ { "std-vga", 0, QEMU_OPTION_std_vga },
+ { "monitor", 1, QEMU_OPTION_monitor },
+ { "serial", 1, QEMU_OPTION_serial },
+ { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
+ { "full-screen", 0, QEMU_OPTION_full_screen },
+
+ /* temporary options */
+ { "pci", 0, QEMU_OPTION_pci },
+ { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
+ { NULL },
+};
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
#endif
+/* password input */
+
+static BlockDriverState *get_bdrv(int index)
+{
+ BlockDriverState *bs;
+
+ if (index < 4) {
+ bs = bs_table[index];
+ } else if (index < 6) {
+ bs = fd_table[index - 4];
+ } else {
+ bs = NULL;
+ }
+ return bs;
+}
+
+static void read_passwords(void)
+{
+ BlockDriverState *bs;
+ int i, j;
+ char password[256];
+
+ for(i = 0; i < 6; i++) {
+ bs = get_bdrv(i);
+ if (bs && bdrv_is_encrypted(bs)) {
+ term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
+ for(j = 0; j < 3; j++) {
+ monitor_readline("Password: ",
+ 1, password, sizeof(password));
+ if (bdrv_set_key(bs, password) == 0)
+ break;
+ term_printf("invalid password\n");
+ }
+ }
+ }
+}
+
+#define NET_IF_TUN 0
+#define NET_IF_USER 1
+#define NET_IF_DUMMY 2
+
int main(int argc, char **argv)
{
- int c, i, use_gdbstub, gdbstub_port, long_index, has_cdrom;
+#ifdef CONFIG_GDBSTUB
+ int use_gdbstub, gdbstub_port;
+#endif
+ int i, has_cdrom;
int snapshot, linux_boot;
- struct sigaction act;
- struct itimerval itv;
CPUState *env;
const char *initrd_filename;
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
const char *kernel_filename, *kernel_cmdline;
DisplayState *ds = &display_state;
int cyls, heads, secs;
-
+ int start_emulation = 1;
+ uint8_t macaddr[6];
+ int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
+ int optind;
+ const char *r, *optarg;
+ CharDriverState *monitor_hd;
+ char monitor_device[128];
+ char serial_devices[MAX_SERIAL_PORTS][128];
+ int serial_device_index;
+ const char *loadvm = NULL;
+
+#if !defined(CONFIG_SOFTMMU)
/* we never want that malloc() uses mmap() */
mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
+#endif
initrd_filename = NULL;
for(i = 0; i < MAX_FD; i++)
fd_filename[i] = NULL;
for(i = 0; i < MAX_DISKS; i++)
hd_filename[i] = NULL;
- ram_size = 32 * 1024 * 1024;
+ ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
vga_ram_size = VGA_RAM_SIZE;
+ bios_size = BIOS_SIZE;
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
+#ifdef CONFIG_GDBSTUB
use_gdbstub = 0;
gdbstub_port = DEFAULT_GDBSTUB_PORT;
+#endif
snapshot = 0;
nographic = 0;
kernel_filename = NULL;
kernel_cmdline = "";
has_cdrom = 1;
cyls = heads = secs = 0;
+ pstrcpy(monitor_device, sizeof(monitor_device), "vc");
+ pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
+ for(i = 1; i < MAX_SERIAL_PORTS; i++)
+ serial_devices[i][0] = '\0';
+ serial_device_index = 0;
+
+ nb_tun_fds = 0;
+ net_if_type = -1;
nb_nics = 1;
- for(i = 0; i < MAX_NICS; i++) {
- NetDriverState *nd = &nd_table[i];
- nd->fd = -1;
- /* init virtual mac address */
- nd->macaddr[0] = 0x52;
- nd->macaddr[1] = 0x54;
- nd->macaddr[2] = 0x00;
- nd->macaddr[3] = 0x12;
- nd->macaddr[4] = 0x34;
- nd->macaddr[5] = 0x56 + i;
- }
+ /* default mac address of the first network interface */
+ macaddr[0] = 0x52;
+ macaddr[1] = 0x54;
+ macaddr[2] = 0x00;
+ macaddr[3] = 0x12;
+ macaddr[4] = 0x34;
+ macaddr[5] = 0x56;
+ optind = 1;
for(;;) {
- c = getopt_long_only(argc, argv, "hm:dn:sp:L:", long_options, &long_index);
- if (c == -1)
+ if (optind >= argc)
break;
- switch(c) {
- case 0:
- switch(long_index) {
- case 0:
+ r = argv[optind];
+ if (r[0] != '-') {
+ hd_filename[0] = argv[optind++];
+ } else {
+ const QEMUOption *popt;
+
+ optind++;
+ popt = qemu_options;
+ for(;;) {
+ if (!popt->name) {
+ fprintf(stderr, "%s: invalid option -- '%s'\n",
+ argv[0], r);
+ exit(1);
+ }
+ if (!strcmp(popt->name, r + 1))
+ break;
+ popt++;
+ }
+ if (popt->flags & HAS_ARG) {
+ if (optind >= argc) {
+ fprintf(stderr, "%s: option '%s' requires an argument\n",
+ argv[0], r);
+ exit(1);
+ }
+ optarg = argv[optind++];
+ } else {
+ optarg = NULL;
+ }
+
+ switch(popt->index) {
+ case QEMU_OPTION_initrd:
initrd_filename = optarg;
break;
- case 1:
+ case QEMU_OPTION_hda:
hd_filename[0] = optarg;
break;
- case 2:
+ case QEMU_OPTION_hdb:
hd_filename[1] = optarg;
break;
- case 3:
+ case QEMU_OPTION_snapshot:
snapshot = 1;
break;
- case 4:
+ case QEMU_OPTION_hdachs:
{
const char *p;
p = optarg;
}
}
break;
- case 5:
+ case QEMU_OPTION_nographic:
+ pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
+ pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
nographic = 1;
break;
- case 6:
+ case QEMU_OPTION_kernel:
kernel_filename = optarg;
break;
- case 7:
+ case QEMU_OPTION_append:
kernel_cmdline = optarg;
break;
- case 8:
+ case QEMU_OPTION_tun_fd:
{
const char *p;
int fd;
- p = optarg;
- nb_nics = 0;
- for(;;) {
- fd = strtol(p, (char **)&p, 0);
- nd_table[nb_nics].fd = fd;
- snprintf(nd_table[nb_nics].ifname,
- sizeof(nd_table[nb_nics].ifname),
- "fd%d", nb_nics);
- nb_nics++;
- if (*p == ',') {
- p++;
- } else if (*p != '\0') {
- fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_nics);
+ net_if_type = NET_IF_TUN;
+ if (nb_tun_fds < MAX_NICS) {
+ fd = strtol(optarg, (char **)&p, 0);
+ if (*p != '\0') {
+ fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
exit(1);
}
+ tun_fds[nb_tun_fds++] = fd;
}
}
break;
- case 9:
+ case QEMU_OPTION_hdc:
hd_filename[2] = optarg;
has_cdrom = 0;
break;
- case 10:
+ case QEMU_OPTION_hdd:
hd_filename[3] = optarg;
break;
- case 11:
+ case QEMU_OPTION_cdrom:
hd_filename[2] = optarg;
has_cdrom = 1;
break;
- case 12:
+ case QEMU_OPTION_boot:
boot_device = optarg[0];
if (boot_device != 'a' && boot_device != 'b' &&
boot_device != 'c' && boot_device != 'd') {
exit(1);
}
break;
- case 13:
+ case QEMU_OPTION_fda:
fd_filename[0] = optarg;
break;
- case 14:
+ case QEMU_OPTION_fdb:
fd_filename[1] = optarg;
break;
- case 15:
+ case QEMU_OPTION_no_code_copy:
code_copy_enabled = 0;
break;
- case 16:
+ case QEMU_OPTION_nics:
nb_nics = atoi(optarg);
- if (nb_nics < 1 || nb_nics > MAX_NICS) {
+ if (nb_nics < 0 || nb_nics > MAX_NICS) {
fprintf(stderr, "qemu: invalid number of network interfaces\n");
exit(1);
}
break;
- }
- break;
- case 'h':
- help();
- break;
- case 'm':
- ram_size = atoi(optarg) * 1024 * 1024;
- if (ram_size <= 0)
+ case QEMU_OPTION_macaddr:
+ {
+ const char *p;
+ int i;
+ p = optarg;
+ for(i = 0; i < 6; i++) {
+ macaddr[i] = strtol(p, (char **)&p, 16);
+ if (i == 5) {
+ if (*p != '\0')
+ goto macaddr_error;
+ } else {
+ if (*p != ':') {
+ macaddr_error:
+ fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
+ exit(1);
+ }
+ p++;
+ }
+ }
+ }
+ break;
+#ifdef CONFIG_SLIRP
+ case QEMU_OPTION_tftp:
+ tftp_prefix = optarg;
+ break;
+#ifndef _WIN32
+ case QEMU_OPTION_smb:
+ net_slirp_smb(optarg);
+ break;
+#endif
+ case QEMU_OPTION_user_net:
+ net_if_type = NET_IF_USER;
+ break;
+ case QEMU_OPTION_redir:
+ net_slirp_redir(optarg);
+ break;
+#endif
+ case QEMU_OPTION_dummy_net:
+ net_if_type = NET_IF_DUMMY;
+ break;
+ case QEMU_OPTION_enable_audio:
+ audio_enabled = 1;
+ break;
+ case QEMU_OPTION_h:
help();
- if (ram_size > PHYS_RAM_MAX_SIZE) {
- fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
- PHYS_RAM_MAX_SIZE / (1024 * 1024));
- exit(1);
+ break;
+ case QEMU_OPTION_m:
+ ram_size = atoi(optarg) * 1024 * 1024;
+ if (ram_size <= 0)
+ help();
+ if (ram_size > PHYS_RAM_MAX_SIZE) {
+ fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
+ PHYS_RAM_MAX_SIZE / (1024 * 1024));
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_d:
+ {
+ int mask;
+ 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);
+ }
+ break;
+ case QEMU_OPTION_n:
+ pstrcpy(network_script, sizeof(network_script), optarg);
+ break;
+#ifdef CONFIG_GDBSTUB
+ case QEMU_OPTION_s:
+ use_gdbstub = 1;
+ break;
+ case QEMU_OPTION_p:
+ gdbstub_port = atoi(optarg);
+ break;
+#endif
+ case QEMU_OPTION_L:
+ bios_dir = optarg;
+ break;
+ case QEMU_OPTION_S:
+ start_emulation = 0;
+ break;
+ case QEMU_OPTION_pci:
+ pci_enabled = 1;
+ break;
+ case QEMU_OPTION_isa:
+ pci_enabled = 0;
+ break;
+ case QEMU_OPTION_prep:
+ prep_enabled = 1;
+ break;
+ case QEMU_OPTION_localtime:
+ rtc_utc = 0;
+ break;
+ case QEMU_OPTION_cirrusvga:
+ cirrus_vga_enabled = 1;
+ break;
+ case QEMU_OPTION_std_vga:
+ cirrus_vga_enabled = 0;
+ 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_monitor:
+ pstrcpy(monitor_device, sizeof(monitor_device), optarg);
+ break;
+ case QEMU_OPTION_serial:
+ if (serial_device_index >= MAX_SERIAL_PORTS) {
+ fprintf(stderr, "qemu: too many serial ports\n");
+ exit(1);
+ }
+ pstrcpy(serial_devices[serial_device_index],
+ sizeof(serial_devices[0]), optarg);
+ serial_device_index++;
+ break;
+ case QEMU_OPTION_loadvm:
+ loadvm = optarg;
+ break;
+ case QEMU_OPTION_full_screen:
+ full_screen = 1;
+ break;
}
- break;
- case 'd':
- cpu_set_log(CPU_LOG_ALL);
- break;
- case 'n':
- pstrcpy(network_script, sizeof(network_script), optarg);
- break;
- case 's':
- use_gdbstub = 1;
- break;
- case 'p':
- gdbstub_port = atoi(optarg);
- break;
- case 'L':
- bios_dir = optarg;
- break;
}
}
- if (optind < argc) {
- hd_filename[0] = argv[optind++];
- }
-
linux_boot = (kernel_filename != NULL);
if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
#endif
/* init host network redirectors */
- net_init();
+ if (net_if_type == -1) {
+ net_if_type = NET_IF_TUN;
+#if defined(CONFIG_SLIRP)
+ if (access(network_script, R_OK) < 0) {
+ net_if_type = NET_IF_USER;
+ }
+#endif
+ }
+
+ for(i = 0; i < nb_nics; i++) {
+ NetDriverState *nd = &nd_table[i];
+ nd->index = i;
+ /* init virtual mac address */
+ nd->macaddr[0] = macaddr[0];
+ nd->macaddr[1] = macaddr[1];
+ nd->macaddr[2] = macaddr[2];
+ nd->macaddr[3] = macaddr[3];
+ nd->macaddr[4] = macaddr[4];
+ nd->macaddr[5] = macaddr[5] + i;
+ switch(net_if_type) {
+#if defined(CONFIG_SLIRP)
+ case NET_IF_USER:
+ net_slirp_init(nd);
+ break;
+#endif
+#if !defined(_WIN32)
+ case NET_IF_TUN:
+ if (i < nb_tun_fds) {
+ net_fd_init(nd, tun_fds[i]);
+ } else {
+ if (net_tun_init(nd) < 0)
+ net_dummy_init(nd);
+ }
+ break;
+#endif
+ case NET_IF_DUMMY:
+ default:
+ net_dummy_init(nd);
+ break;
+ }
+ }
/* init the memory */
- phys_ram_size = ram_size + vga_ram_size;
+ phys_ram_size = ram_size + vga_ram_size + bios_size;
#ifdef CONFIG_SOFTMMU
+#ifdef _BSD
+ /* mallocs are always aligned on BSD. valloc is better for correctness */
+ phys_ram_base = valloc(phys_ram_size);
+#else
phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
+#endif
if (!phys_ram_base) {
fprintf(stderr, "Could not allocate physical memory\n");
exit(1);
#endif
/* we always create the cdrom drive, even if no disk is there */
+ bdrv_init();
if (has_cdrom) {
bs_table[2] = bdrv_new("cdrom");
bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
bs_table[i] = bdrv_new(buf);
}
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) {
- fprintf(stderr, "qemu: could not open hard disk image '%s\n",
+ fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
hd_filename[i]);
exit(1);
}
}
if (fd_filename[i] != '\0') {
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) {
- fprintf(stderr, "qemu: could not open floppy disk image '%s\n",
+ fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
fd_filename[i]);
exit(1);
}
global_env = env;
cpu_single_env = env;
+ register_savevm("timer", 0, 1, timer_save, timer_load, env);
+ register_savevm("cpu", 0, 2, cpu_save, cpu_load, env);
+ register_savevm("ram", 0, 1, ram_save, ram_load, NULL);
+ qemu_register_reset(main_cpu_reset, global_env);
+
init_ioports();
cpu_calibrate_ticks();
dumb_display_init(ds);
} else {
#ifdef CONFIG_SDL
- sdl_display_init(ds);
+ sdl_display_init(ds, full_screen);
#else
dumb_display_init(ds);
#endif
}
-#if defined(TARGET_I386)
- pc_init(ram_size, vga_ram_size, boot_device,
- ds, fd_filename, snapshot,
- kernel_filename, kernel_cmdline, initrd_filename);
-#elif defined(TARGET_PPC)
- ppc_init();
-#endif
-
- /* launched after the device init so that it can display or not a
- banner */
- monitor_init();
+ vga_console = graphic_console_init(ds);
+
+ monitor_hd = qemu_chr_open(monitor_device);
+ if (!monitor_hd) {
+ fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
+ exit(1);
+ }
+ monitor_init(monitor_hd, !nographic);
+
+ for(i = 0; i < MAX_SERIAL_PORTS; i++) {
+ if (serial_devices[i][0] != '\0') {
+ serial_hds[i] = qemu_chr_open(serial_devices[i]);
+ if (!serial_hds[i]) {
+ fprintf(stderr, "qemu: could not open serial device '%s'\n",
+ serial_devices[i]);
+ exit(1);
+ }
+ if (!strcmp(serial_devices[i], "vc"))
+ qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
+ }
+ }
/* setup cpu signal handlers for MMU / self modifying code handling */
#if !defined(CONFIG_SOFTMMU)
-
+
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
{
stack_t stk;
- signal_stack = malloc(SIGNAL_STACK_SIZE);
+ signal_stack = memalign(16, SIGNAL_STACK_SIZE);
stk.ss_sp = signal_stack;
stk.ss_size = SIGNAL_STACK_SIZE;
stk.ss_flags = 0;
}
}
#endif
+ {
+ struct sigaction act;
- sigfillset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
+ sigfillset(&act.sa_mask);
+ act.sa_flags = SA_SIGINFO;
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
- act.sa_flags |= SA_ONSTACK;
+ act.sa_flags |= SA_ONSTACK;
#endif
- act.sa_sigaction = host_segv_handler;
- sigaction(SIGSEGV, &act, NULL);
- sigaction(SIGBUS, &act, NULL);
+ act.sa_sigaction = host_segv_handler;
+ sigaction(SIGSEGV, &act, NULL);
+ sigaction(SIGBUS, &act, NULL);
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
- sigaction(SIGFPE, &act, NULL);
+ sigaction(SIGFPE, &act, NULL);
#endif
+ }
#endif
- /* timer signal */
- sigfillset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
-#if defined (TARGET_I386) && defined(USE_CODE_COPY)
- act.sa_flags |= SA_ONSTACK;
-#endif
- act.sa_sigaction = host_alarm_handler;
- sigaction(SIGALRM, &act, NULL);
-
- itv.it_interval.tv_sec = 0;
- itv.it_interval.tv_usec = 1000;
- itv.it_value.tv_sec = 0;
- itv.it_value.tv_usec = 10 * 1000;
- setitimer(ITIMER_REAL, &itv, NULL);
- /* we probe the tick duration of the kernel to inform the user if
- the emulated kernel requested a too high timer frequency */
- getitimer(ITIMER_REAL, &itv);
- timer_ms = itv.it_interval.tv_usec / 1000;
- pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) /
- 1000000;
+#ifndef _WIN32
+ {
+ struct sigaction act;
+ sigfillset(&act.sa_mask);
+ act.sa_flags = 0;
+ act.sa_handler = SIG_IGN;
+ sigaction(SIGPIPE, &act, NULL);
+ }
+#endif
+ init_timers();
+
+#if defined(TARGET_I386)
+ pc_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#elif defined(TARGET_PPC)
+ ppc_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#elif defined(TARGET_SPARC)
+ sun4m_init(ram_size, vga_ram_size, boot_device,
+ ds, fd_filename, snapshot,
+ kernel_filename, kernel_cmdline, initrd_filename);
+#endif
+ gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
+ qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
+
+#ifdef CONFIG_GDBSTUB
if (use_gdbstub) {
- cpu_gdbstub(NULL, main_loop, gdbstub_port);
- } else {
- main_loop(NULL);
+ if (gdbserver_start(gdbstub_port) < 0) {
+ fprintf(stderr, "Could not open gdbserver socket on port %d\n",
+ gdbstub_port);
+ exit(1);
+ } else {
+ printf("Waiting gdb connection on port %d\n", gdbstub_port);
+ }
+ } else
+#endif
+ if (loadvm)
+ qemu_loadvm(loadvm);
+
+ {
+ /* XXX: simplify init */
+ read_passwords();
+ if (start_emulation) {
+ vm_start();
+ }
}
+ main_loop();
+ quit_timers();
return 0;
}