int nb_option_roms;
int semihosting_enabled = 0;
int autostart = 1;
+const char *qemu_name;
/***********************************************************/
/* x86 ISA bus support */
uint32_t default_ioport_readb(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "inb: port=0x%04x\n", address);
+ fprintf(stderr, "unused inb: port=0x%04x\n", address);
#endif
return 0xff;
}
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
+ fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
#endif
}
uint32_t default_ioport_readl(void *opaque, uint32_t address)
{
#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "inl: port=0x%04x\n", address);
+ fprintf(stderr, "unused inl: port=0x%04x\n", address);
#endif
return 0xffffffff;
}
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
{
#ifdef DEBUG_UNUSED_IOPORT
- fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
+ fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
#endif
}
/* MUX driver for serial I/O splitting */
static int term_timestamps;
static int64_t term_timestamps_start;
-#define MAX_MUX 2
+#define MAX_MUX 4
typedef struct {
IOCanRWHandler *chr_can_read[MAX_MUX];
IOReadHandler *chr_read[MAX_MUX];
}
}
-/***********************************************************/
-/* pid file */
-
-static char *pid_filename;
+static int create_pidfile(const char *filename)
+{
+ int fd;
+ char buffer[128];
+ int len;
-/* Remove PID file. Called on normal exit */
+ fd = open(filename, O_RDWR | O_CREAT, 0600);
+ if (fd == -1)
+ return -1;
-static void remove_pidfile(void)
-{
- unlink (pid_filename);
-}
+ if (lockf(fd, F_TLOCK, 0) == -1)
+ return -1;
-static void create_pidfile(const char *filename)
-{
- struct stat pidstat;
- FILE *f;
+ len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
+ if (write(fd, buffer, len) != len)
+ return -1;
- /* Try to write our PID to the named file */
- if (stat(filename, &pidstat) < 0) {
- if (errno == ENOENT) {
- if ((f = fopen (filename, "w")) == NULL) {
- perror("Opening pidfile");
- exit(1);
- }
- fprintf(f, "%d\n", getpid());
- fclose(f);
- pid_filename = qemu_strdup(filename);
- if (!pid_filename) {
- fprintf(stderr, "Could not save PID filename");
- exit(1);
- }
- atexit(remove_pidfile);
- }
- } else {
- fprintf(stderr, "%s already exists. Remove it and try again.\n",
- filename);
- exit(1);
- }
+ return 0;
}
/***********************************************************/
IOCanRWHandler *fd_read_poll;
IOHandler *fd_read;
IOHandler *fd_write;
+ int deleted;
void *opaque;
/* temporary data */
struct pollfd *ufd;
if (ioh == NULL)
break;
if (ioh->fd == fd) {
- *pioh = ioh->next;
- qemu_free(ioh);
+ ioh->deleted = 1;
break;
}
pioh = &ioh->next;
ioh->fd_read = fd_read;
ioh->fd_write = fd_write;
ioh->opaque = opaque;
+ ioh->deleted = 0;
}
return 0;
}
void main_loop_wait(int timeout)
{
- IOHandlerRecord *ioh, *ioh_next;
+ IOHandlerRecord *ioh;
fd_set rfds, wfds, xfds;
int ret, nfds;
struct timeval tv;
FD_ZERO(&wfds);
FD_ZERO(&xfds);
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (ioh->deleted)
+ continue;
if (ioh->fd_read &&
(!ioh->fd_read_poll ||
ioh->fd_read_poll(ioh->opaque) != 0)) {
#endif
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
if (ret > 0) {
- /* XXX: better handling of removal */
- for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
- ioh_next = ioh->next;
+ IOHandlerRecord **pioh;
+
+ for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+ if (ioh->deleted)
+ continue;
if (FD_ISSET(ioh->fd, &rfds)) {
ioh->fd_read(ioh->opaque);
}
ioh->fd_write(ioh->opaque);
}
}
+
+ /* remove deleted IO handlers */
+ pioh = &first_io_handler;
+ while (*pioh) {
+ ioh = *pioh;
+ if (ioh->deleted) {
+ *pioh = ioh->next;
+ qemu_free(ioh);
+ } else
+ pioh = &ioh->next;
+ }
}
#if defined(CONFIG_SLIRP)
if (slirp_inited) {
#ifdef CONFIG_PROFILER
qemu_time += profile_getclock() - ti;
#endif
+ if (ret == EXCP_HLT) {
+ /* Give the next CPU a chance to run. */
+ cur_cpu = env;
+ continue;
+ }
if (ret != EXCP_HALTED)
break;
/* all CPUs are halted ? */
- if (env == cur_cpu) {
- ret = EXCP_HLT;
+ if (env == cur_cpu)
break;
- }
}
cur_cpu = env;
if (ret == EXCP_DEBUG) {
vm_stop(EXCP_DEBUG);
}
- /* if hlt instruction, we wait until the next IRQ */
+ /* If all cpus are halted then wait until the next IRQ */
/* XXX: use timeout computed from timers */
- if (ret == EXCP_HLT)
+ if (ret == EXCP_HALTED)
timeout = 10;
else
timeout = 0;
"\n"
"Standard options:\n"
"-M machine select emulated machine (-M ? for list)\n"
+ "-cpu cpu select CPU (-cpu ? for list)\n"
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
#endif
+ "-name string set the name of the guest\n"
"\n"
"Network options:\n"
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
"-parallel dev redirect the parallel port to char device 'dev'\n"
"-pidfile file Write PID to 'file'\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"
+ "-s wait gdb connection to port\n"
+ "-p port set gdb connection port [default=%s]\n"
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
" translation (t=none or lba) (usually qemu can guess them)\n"
QEMU_OPTION_h,
QEMU_OPTION_M,
+ QEMU_OPTION_cpu,
QEMU_OPTION_fda,
QEMU_OPTION_fdb,
QEMU_OPTION_hda,
QEMU_OPTION_no_reboot,
QEMU_OPTION_daemonize,
QEMU_OPTION_option_rom,
- QEMU_OPTION_semihosting
+ QEMU_OPTION_semihosting,
+ QEMU_OPTION_name,
};
typedef struct QEMUOption {
{ "help", 0, QEMU_OPTION_h },
{ "M", HAS_ARG, QEMU_OPTION_M },
+ { "cpu", HAS_ARG, QEMU_OPTION_cpu },
{ "fda", HAS_ARG, QEMU_OPTION_fda },
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
{ "hda", HAS_ARG, QEMU_OPTION_hda },
#if defined(TARGET_ARM)
{ "semihosting", 0, QEMU_OPTION_semihosting },
#endif
+ { "name", HAS_ARG, QEMU_OPTION_name },
{ NULL },
};
qemu_register_machine(&sun4m_machine);
#endif
#elif defined(TARGET_ARM)
- qemu_register_machine(&integratorcp926_machine);
- qemu_register_machine(&integratorcp1026_machine);
+ qemu_register_machine(&integratorcp_machine);
qemu_register_machine(&versatilepb_machine);
qemu_register_machine(&versatileab_machine);
qemu_register_machine(&realview_machine);
int main(int argc, char **argv)
{
#ifdef CONFIG_GDBSTUB
- int use_gdbstub, gdbstub_port;
+ int use_gdbstub;
+ const char *gdbstub_port;
#endif
int i, cdrom_index;
int snapshot, linux_boot;
int parallel_device_index;
const char *loadvm = NULL;
QEMUMachine *machine;
+ const char *cpu_model;
char usb_devices[MAX_USB_CMDLINE][128];
int usb_devices_index;
int fds[2];
+ const char *pid_file = NULL;
LIST_INIT (&vm_change_state_head);
#ifndef _WIN32
register_machines();
machine = first_machine;
+ cpu_model = NULL;
initrd_filename = NULL;
for(i = 0; i < MAX_FD; i++)
fd_filename[i] = NULL;
exit(1);
}
break;
+ case QEMU_OPTION_cpu:
+ /* hw initialization will check this */
+ if (optarg[0] == '?') {
+#if defined(TARGET_PPC)
+ ppc_cpu_list(stdout, &fprintf);
+#elif defined(TARGET_ARM)
+ arm_cpu_list();
+#elif defined(TARGET_MIPS)
+ mips_cpu_list(stdout, &fprintf);
+#endif
+ exit(1);
+ } else {
+ cpu_model = optarg;
+ }
+ break;
case QEMU_OPTION_initrd:
initrd_filename = optarg;
break;
use_gdbstub = 1;
break;
case QEMU_OPTION_p:
- gdbstub_port = atoi(optarg);
+ gdbstub_port = optarg;
break;
#endif
case QEMU_OPTION_L:
break;
#endif
case QEMU_OPTION_pidfile:
- create_pidfile(optarg);
+ pid_file = optarg;
break;
#ifdef TARGET_I386
case QEMU_OPTION_win2k_hack:
case QEMU_OPTION_semihosting:
semihosting_enabled = 1;
break;
+ case QEMU_OPTION_name:
+ qemu_name = optarg;
+ break;
}
}
}
close(fds[1]);
again:
- len = read(fds[0], &status, 1);
- if (len == -1 && (errno == EINTR))
- goto again;
-
- if (len != 1 || status != 0)
- exit(1);
- else
- exit(0);
+ len = read(fds[0], &status, 1);
+ if (len == -1 && (errno == EINTR))
+ goto again;
+
+ if (len != 1)
+ exit(1);
+ else if (status == 1) {
+ fprintf(stderr, "Could not acquire pidfile\n");
+ exit(1);
+ } else
+ exit(0);
} else if (pid < 0)
- exit(1);
+ exit(1);
setsid();
}
#endif
+ if (pid_file && create_pidfile(pid_file) != 0) {
+ if (daemonize) {
+ uint8_t status = 1;
+ write(fds[1], &status, 1);
+ } else
+ fprintf(stderr, "Could not acquire pid file\n");
+ exit(1);
+ }
+
#ifdef USE_KQEMU
if (smp_cpus > 1)
kqemu_allowed = 0;
machine->init(ram_size, vga_ram_size, boot_device,
ds, fd_filename, snapshot,
- kernel_filename, kernel_cmdline, initrd_filename);
+ kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
/* init USB devices */
if (usb_enabled) {
if (use_gdbstub) {
/* XXX: use standard host:port notation and modify options
accordingly. */
- if (gdbserver_start_port(gdbstub_port) < 0) {
- fprintf(stderr, "qemu: could not open gdbstub device on port '%d'\n",
+ if (gdbserver_start(gdbstub_port) < 0) {
+ fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
gdbstub_port);
exit(1);
}
projects / qemu.git / blobdiff