コード例 #1
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
void bx_virt_timer_c::periodic(Bit64u time_passed)
{
  //Assert that we haven't skipped any events.
  BX_ASSERT (time_passed <= timers_next_event_time);
  BX_ASSERT(!in_timer_handler);

  //Update time variables.
  timers_next_event_time -= time_passed;
  current_timers_time += time_passed;

  //If no events are occurring, just pass the time and we're done.
  if (time_passed < timers_next_event_time) return;

  //Starting timer handler calls.
  in_timer_handler = 1;
  //Otherwise, cause any events to occur that should.
  unsigned i;
  for (i=0;i<numTimers;i++) {
    if (timer[i].inUse && timer[i].active) {
      //Assert that we haven't skipped any timers.
      BX_ASSERT(current_timers_time <= timer[i].timeToFire);
      if(timer[i].timeToFire == current_timers_time) {
        if(timer[i].continuous) {
          timer[i].timeToFire += timer[i].period;
        } else {
          timer[i].active = 0;
        }
        //This function MUST return, or the timer mechanism
        // will be broken.
        timer[i].funct(timer[i].this_ptr);
      }
    }
  }
  //Finished timer handler calls.
  in_timer_handler = 0;
  //Use a second FOR loop so that a timer function call can
  //  change the behavior of another timer.
  //timers_next_event_time normally contains a cycle count, not a cycle time.
  //  here we use it as a temporary variable that IS a cycle time,
  //  but then convert it back to a cycle count afterwards.
  timers_next_event_time = current_timers_time + BX_MAX_VIRTUAL_TIME;
  for (i=0;i<numTimers;i++) {
    if (timer[i].inUse && timer[i].active && ((timer[i].timeToFire)<timers_next_event_time)) {
      timers_next_event_time = timer[i].timeToFire;
    }
  }
  timers_next_event_time -= current_timers_time;
  next_event_time_update();
  //FIXME
}
コード例 #2
0
ファイル: ctrl_xfer8.cpp プロジェクト: hack477/bochs4wii
void BX_CPP_AttrRegparmN(1) BX_CPU_C::LOOPE_Jb(bxInstruction_c *i)
{
  // it is impossible to get this instruction in long mode
  BX_ASSERT(i->as64L() == 0);

  Bit32u count;

#if BX_CPU_LEVEL >= 3
  if (i->as32L())
    count = ECX;
  else
#endif
    count = CX;

  count--;
  if ((count!=0) && get_ZF()) {
    Bit32u new_EIP = EIP + (Bit32s) i->Id();
    if (i->os32L()==0) new_EIP &= 0x0000ffff;
    branch_near32(new_EIP);
    BX_INSTR_CNEAR_BRANCH_TAKEN(BX_CPU_ID, new_EIP);
  }
#if BX_INSTRUMENTATION
  else {
    BX_INSTR_CNEAR_BRANCH_NOT_TAKEN(BX_CPU_ID);
  }
#endif

  if (i->as32L())
    ECX--;
  else
     CX--;
}
コード例 #3
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//Get the current virtual time.
//  This will return a monotonically increasing value.
// MUST NOT be called from within a timer interrupt.
Bit64u bx_virt_timer_c::time_usec_sequential(void)
{
  if (!use_virtual_timers) {
    return bx_pc_system.time_usec_sequential();
  }

  //Can't prevent call stack loops here, so this
  // MUST NOT be called from within a timer handler.
  BX_ASSERT(timers_next_event_time>0);
  BX_ASSERT(!in_timer_handler);

  if (last_sequential_time >= current_timers_time) {
    periodic(1);
    last_sequential_time = current_timers_time;
  }
  return current_timers_time;
}
コード例 #4
0
ファイル: plugin.cpp プロジェクト: iver6/BA
  static int
builtinRegisterDefaultIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
                             const char *name, Bit8u mask)
{
  BX_ASSERT(mask<8);
  bx_devices.register_default_io_write_handler (thisPtr, callback, name, mask);
  pluginlog->ldebug("plugin %s registered default I/O write ", name);
  return 0;
}
コード例 #5
0
ファイル: plugin.cpp プロジェクト: iver6/BA
  static int
builtinUnregisterIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
                             unsigned base, Bit8u mask)
{
  int ret;
  BX_ASSERT(mask<8);
  ret = bx_devices.unregister_io_write_handler (thisPtr, callback, base, mask);
  pluginlog->ldebug("plugin unregistered I/O write address at %04x", base);
  return ret;
}
コード例 #6
0
ファイル: plugin.cpp プロジェクト: iver6/BA
  static int
builtinRegisterIOWriteHandlerRange(void *thisPtr, ioWriteHandler_t callback,
                             unsigned base, unsigned end, const char *name, Bit8u mask)
{
  int ret;
  BX_ASSERT(mask<8);
  ret = bx_devices.register_io_write_handler_range (thisPtr, callback, base, end, name, mask);
  pluginlog->ldebug("plugin %s registered I/O write addresses %04x to %04x", name, base, end);
  return ret;
}
コード例 #7
0
ファイル: plugin.cpp プロジェクト: iver6/BA
  static int
builtinUnregisterIOWriteHandlerRange(void *thisPtr, ioWriteHandler_t callback,
                             unsigned begin, unsigned end, Bit8u mask)
{
  int ret;
  BX_ASSERT(mask<8);
  ret = bx_devices.unregister_io_write_handler_range (thisPtr, callback, begin, end, mask);
  pluginlog->ldebug("plugin unregistered I/O write addresses %04x to %04x", begin, end);
  return ret;
}
コード例 #8
0
ファイル: plugin.cpp プロジェクト: iver6/BA
  static int
builtinRegisterIOReadHandler(void *thisPtr, ioReadHandler_t callback,
                            unsigned base, const char *name, Bit8u mask)
{
  int ret;
  BX_ASSERT(mask<8);
  ret = bx_devices.register_io_read_handler (thisPtr, callback, base, name, mask);
  pluginlog->ldebug("plugin %s registered I/O read  address at %04x", name, base);
  return ret;
}
コード例 #9
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
void bx_virt_timer_c::advance_virtual_time(Bit64u time_passed)
{
  BX_ASSERT(time_passed <= virtual_next_event_time);

  current_virtual_time += time_passed;
  virtual_next_event_time -= time_passed;

  if (current_virtual_time > current_timers_time) {
    periodic(current_virtual_time - current_timers_time);
  }
}
コード例 #10
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//Called when next_event_time changes.
void bx_virt_timer_c::next_event_time_update(void)
{
  virtual_next_event_time = timers_next_event_time + current_timers_time - current_virtual_time;
  if (init_done) {
    bx_pc_system.deactivate_timer(system_timer_id);
    BX_ASSERT(virtual_next_event_time);
    bx_pc_system.activate_timer(system_timer_id,
                                (Bit32u)BX_MIN(0x7FFFFFFF,BX_MAX(1,TICKS_TO_USEC(virtual_next_event_time))),
                                0);
  }
}
コード例 #11
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//Register a timer handler to go off after a given interval.
//Register a timer handler to go off with a periodic interval.
int bx_virt_timer_c::register_timer(void *this_ptr, bx_timer_handler_t handler,
                                    Bit32u useconds,
                                    bx_bool continuous, bx_bool active,
                                    const char *id)
{
  if (!use_virtual_timers) {
    return bx_pc_system.register_timer(this_ptr, handler, useconds,
                                       continuous, active, id);
  }

  //We don't like starting with a zero period timer.
  BX_ASSERT((!active) || (useconds>0));

  //Search for an unused timer.
  unsigned int i;
  for (i=0; i < numTimers; i++) {
    if ((timer[i].inUse == 0) || (i == numTimers))
      break;
  }
  // If we didn't find a free slot, increment the bound, numTimers.
  if (i == numTimers)
    numTimers++; // One new timer installed.
  BX_ASSERT(numTimers<BX_MAX_VIRTUAL_TIMERS);

  timer[i].inUse = 1;
  timer[i].period = useconds;
  timer[i].timeToFire = current_timers_time + (Bit64u)useconds;
  timer[i].active = active;
  timer[i].continuous = continuous;
  timer[i].funct = handler;
  timer[i].this_ptr = this_ptr;
  strncpy(timer[i].id, id, BxMaxTimerIDLen);
  timer[i].id[BxMaxTimerIDLen-1]=0; //I like null terminated strings.

  if (useconds < timers_next_event_time) {
    timers_next_event_time = useconds;
    next_event_time_update();
    //FIXME
  }
  return i;
}
コード例 #12
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//deactivate (but don't unregister) a currently registered timer.
void bx_virt_timer_c::deactivate_timer(unsigned timer_index)
{
  if (!use_virtual_timers) {
    bx_pc_system.deactivate_timer(timer_index);
    return;
  }

  BX_ASSERT(timer_index < BX_MAX_VIRTUAL_TIMERS);

  //No need to prevent doing this to unused/inactive timers.
  timer[timer_index].active = 0;
}
コード例 #13
0
ファイル: access64.cpp プロジェクト: hack477/bochs4wii
BX_CPU_C::read_RMW_virtual_qword_64(unsigned s, Bit64u offset)
{
  BX_ASSERT(BX_CPU_THIS_PTR cpu_mode == BX_MODE_LONG_64);

  bx_segment_reg_t *seg = &BX_CPU_THIS_PTR sregs[s];
  Bit64u data;
  BX_INSTR_MEM_DATA_ACCESS(BX_CPU_ID, s, offset, 8, BX_RW);

  Bit64u laddr = BX_CPU_THIS_PTR get_laddr64(s, offset);
#if BX_SupportGuest2HostTLB
  unsigned tlbIndex = BX_TLB_INDEX_OF(laddr, 7);
  Bit64u lpf = AlignedAccessLPFOf(laddr, 7);
  bx_TLB_entry *tlbEntry = &BX_CPU_THIS_PTR TLB.entry[tlbIndex];
  if (tlbEntry->lpf == lpf) {
    // See if the TLB entry privilege level allows us write access
    // from this CPL.
    if (tlbEntry->accessBits & (0x10 << CPL)) {
      bx_hostpageaddr_t hostPageAddr = tlbEntry->hostPageAddr;
      Bit32u pageOffset = PAGE_OFFSET(laddr);
      BX_INSTR_LIN_ACCESS(BX_CPU_ID, laddr, tlbEntry->ppf | pageOffset, 8, BX_RW);
      Bit64u *hostAddr = (Bit64u*) (hostPageAddr | pageOffset);
#if BX_SUPPORT_ICACHE
      pageWriteStampTable.decWriteStamp(tlbEntry->ppf);
#endif
      ReadHostQWordFromLittleEndian(hostAddr, data);
      BX_CPU_THIS_PTR address_xlation.pages = (bx_ptr_equiv_t) hostAddr;
      BX_DBG_LIN_MEMORY_ACCESS(BX_CPU_ID, laddr,
          tlbEntry->ppf | pageOffset, 8, CPL, BX_READ, (Bit8u*) &data);
      return data;
    }
  }
#endif

  if (! IsCanonical(laddr)) {
    BX_ERROR(("read_RMW_virtual_qword_64(): canonical failure"));
    exception(int_number(seg), 0, 0);
  }

#if BX_CPU_LEVEL >= 4 && BX_SUPPORT_ALIGNMENT_CHECK
  if (BX_CPU_THIS_PTR alignment_check()) {
    if (laddr & 7) {
      BX_ERROR(("read_RMW_virtual_qword_64(): #AC misaligned access"));
      exception(BX_AC_EXCEPTION, 0, 0);
    }
  }
#endif

  access_read_linear(laddr, 8, CPL, BX_RW, (void *) &data);
  return data;
}
コード例 #14
0
ファイル: access.cpp プロジェクト: hack477/bochs4wii
// assuming the write happens in legacy mode
void BX_CPU_C::write_new_stack_dword_32(bx_segment_reg_t *seg, bx_address offset, unsigned curr_pl, Bit32u data)
{
  Bit32u laddr;

  BX_ASSERT(BX_CPU_THIS_PTR cpu_mode != BX_MODE_LONG_64);

  if (seg->cache.valid & SegAccessWOK4G) {
accessOK:
    laddr = (Bit32u)(seg->cache.u.segment.base + offset);
#if BX_SupportGuest2HostTLB
    unsigned tlbIndex = BX_TLB_INDEX_OF(laddr, 3);
    bx_address lpf = AlignedAccessLPFOf(laddr, 3);
    bx_TLB_entry *tlbEntry = &BX_CPU_THIS_PTR TLB.entry[tlbIndex];
    if (tlbEntry->lpf == lpf) {
      // See if the TLB entry privilege level allows us write access
      // from this CPL.
      if (tlbEntry->accessBits & (0x10 << CPL)) {
        bx_hostpageaddr_t hostPageAddr = tlbEntry->hostPageAddr;
        Bit32u pageOffset = PAGE_OFFSET(laddr);
        BX_INSTR_LIN_ACCESS(BX_CPU_ID, laddr, tlbEntry->ppf | pageOffset, 4, BX_WRITE);
        BX_DBG_LIN_MEMORY_ACCESS(BX_CPU_ID, laddr,
            tlbEntry->ppf | pageOffset, 4, curr_pl, BX_WRITE, (Bit8u*) &data);
        Bit32u *hostAddr = (Bit32u*) (hostPageAddr | pageOffset);
#if BX_SUPPORT_ICACHE
        pageWriteStampTable.decWriteStamp(tlbEntry->ppf);
#endif
        WriteHostDWordToLittleEndian(hostAddr, data);
        return;
      }
    }
#endif
#if BX_CPU_LEVEL >= 4 && BX_SUPPORT_ALIGNMENT_CHECK
    if (BX_CPU_THIS_PTR alignment_check() && curr_pl == 3) {
      if (laddr & 3) {
        BX_ERROR(("write_new_stack_dword_32(): #AC misaligned access"));
        exception(BX_AC_EXCEPTION, 0, 0);
      }
    }
#endif
    access_write_linear(laddr, 4, curr_pl, (void *) &data);
    return;
  }

  if (seg->cache.valid & SegAccessWOK) {
    if (offset < (seg->cache.u.segment.limit_scaled-2))
      goto accessOK;
  }
  write_virtual_checks(seg, offset, 4);
  goto accessOK;
}
コード例 #15
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//activate a deactivated but registered timer.
void bx_virt_timer_c::activate_timer(unsigned timer_index, Bit32u useconds,
                                     bx_bool continuous)
{
  if (!use_virtual_timers) {
    bx_pc_system.activate_timer(timer_index, useconds, continuous);
    return;
  }

  BX_ASSERT(timer_index < BX_MAX_VIRTUAL_TIMERS);

  BX_ASSERT(timer[timer_index].inUse);
  BX_ASSERT(useconds>0);

  timer[timer_index].period = useconds;
  timer[timer_index].timeToFire = current_timers_time + (Bit64u)useconds;
  timer[timer_index].active = 1;
  timer[timer_index].continuous = continuous;

  if (useconds < timers_next_event_time) {
    timers_next_event_time = useconds;
    next_event_time_update();
    //FIXME
  }
}
コード例 #16
0
ファイル: segment_ctrl.cpp プロジェクト: iver6/BA
// LES/LDS can't be called from long64 mode
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LDS_GdMp(bxInstruction_c *i)
{
  BX_ASSERT(BX_CPU_THIS_PTR cpu_mode != BX_MODE_LONG_64);

  Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));

  Bit16u ds = read_virtual_word_32(i->seg(), (eaddr + 4) & i->asize_mask());
  Bit32u reg_32 = read_virtual_dword_32(i->seg(), eaddr);

  load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_DS], ds);

  BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);

  BX_NEXT_INSTR(i);
}
コード例 #17
0
ファイル: plugin.cpp プロジェクト: ralvaradoc/libsf
void pluginRegisterDeviceDevmodel(plugin_t *plugin, plugintype_t type, bx_devmodel_c *devmodel, char *name)
{
    device_t *device;

    device = (device_t *)malloc (sizeof (device_t));
    if (!device)
    {
        pluginlog->panic("can't allocate device_t");
    }

    device->name = name;
    BX_ASSERT (devmodel != NULL);
    device->devmodel = devmodel;
    device->plugin = plugin;  // this can be NULL
    device->next = NULL;

    // Don't add every kind of device to the list.
    switch (type) {
      case PLUGTYPE_CORE:
        // Core devices are present whether or not we are using plugins, so
        // they are managed by the same code in iodev/devices.cc whether
        // plugins are on or off.  
        free(device);
        return; // Do not add core devices to the devices list.
      case PLUGTYPE_OPTIONAL:
      case PLUGTYPE_USER:
      default:
        // The plugin system will manage optional and user devices only.
        break;
    }

    if (!devices)
    {
        /* Empty list, this become the first entry. */
        devices = device;
    }
    else
    {
        /* Non-empty list.  Add to end. */
        device_t *temp = devices;

        while (temp->next)
            temp = temp->next;

        temp->next = device;
    }
}
コード例 #18
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
//unregister a previously registered timer.
bx_bool bx_virt_timer_c::unregisterTimer(unsigned timerID)
{
  if (!use_virtual_timers)
    return bx_pc_system.unregisterTimer(timerID);

  BX_ASSERT(timerID < BX_MAX_VIRTUAL_TIMERS);

  if (timer[timerID].active) {
    BX_PANIC(("unregisterTimer: timer '%s' is still active!", timer[timerID].id));
    return(0); // Fail.
  }

  //No need to prevent doing this to unused timers.
  timer[timerID].inUse = 0;
  if (timerID == (numTimers-1)) numTimers--;
  return(1);
}
コード例 #19
0
ファイル: keymap.cpp プロジェクト: ralvaradoc/libsf
static Bit32s get_next_word(char *output)
{
  char *copyp = output;
  // find first nonspace
  while (*lineptr && isspace(*lineptr))
    lineptr++;
  if (!*lineptr) 
    return -1;  // nothing but spaces until end of line
  if (*lineptr == '#')
    return -1;  // nothing but a comment
  // copy nonspaces into the output
  while (*lineptr && !isspace(*lineptr))
    *copyp++ = *lineptr++;
  *copyp=0;  // null terminate the copy
  // there must be at least one nonspace, since that's why we stopped the
  // first loop!
  BX_ASSERT (copyp != output);
  return 0;
}
コード例 #20
0
ファイル: icache.cpp プロジェクト: hack477/bochs4wii
bx_bool BX_CPU_C::mergeTraces(bxICacheEntry_c *entry, bxInstruction_c *i, bx_phy_address pAddr)
{
  bxICacheEntry_c *e = BX_CPU_THIS_PTR iCache.get_entry(pAddr);

  if ((e->pAddr == pAddr) && (e->writeStamp == entry->writeStamp))
  {
    // determine max amount of instruction to take from another entry
    unsigned max_length = e->ilen;
    if (max_length + entry->ilen > BX_MAX_TRACE_LENGTH)
        max_length = BX_MAX_TRACE_LENGTH - entry->ilen;
    if(max_length == 0) return 0;

    memcpy(i, e->i, sizeof(bxInstruction_c)*max_length);
    entry->ilen += max_length;
    BX_ASSERT(entry->ilen <= BX_MAX_TRACE_LENGTH);

    return 1;
  }

  return 0;
}
コード例 #21
0
ファイル: ctrl_xfer8.cpp プロジェクト: hack477/bochs4wii
void BX_CPP_AttrRegparmN(1) BX_CPU_C::JCXZ_Jb(bxInstruction_c *i)
{
  // it is impossible to get this instruction in long mode
  BX_ASSERT(i->as64L() == 0);

  Bit32u temp_ECX;

  if (i->as32L())
    temp_ECX = ECX;
  else
    temp_ECX = CX;

  if (temp_ECX == 0) {
    Bit32u new_EIP = EIP + (Bit32s) i->Id();
    if (i->os32L()==0) new_EIP &= 0x0000ffff;
    branch_near32(new_EIP);
    BX_INSTR_CNEAR_BRANCH_TAKEN(BX_CPU_ID, new_EIP);
    return;
  }

  BX_INSTR_CNEAR_BRANCH_NOT_TAKEN(BX_CPU_ID);
}
コード例 #22
0
ファイル: access64.cpp プロジェクト: hack477/bochs4wii
BX_CPU_C::write_virtual_byte_64(unsigned s, Bit64u offset, Bit8u data)
{
  BX_ASSERT(BX_CPU_THIS_PTR cpu_mode == BX_MODE_LONG_64);

  bx_segment_reg_t *seg = &BX_CPU_THIS_PTR sregs[s];
  BX_INSTR_MEM_DATA_ACCESS(BX_CPU_ID, s, offset, 1, BX_WRITE);

  Bit64u laddr = BX_CPU_THIS_PTR get_laddr64(s, offset);
#if BX_SupportGuest2HostTLB
  unsigned tlbIndex = BX_TLB_INDEX_OF(laddr, 0);
  Bit64u lpf = LPFOf(laddr);
  bx_TLB_entry *tlbEntry = &BX_CPU_THIS_PTR TLB.entry[tlbIndex];
  if (tlbEntry->lpf == lpf) {
    // See if the TLB entry privilege level allows us write access
    // from this CPL.
    if (tlbEntry->accessBits & (0x10 << CPL)) {
      bx_hostpageaddr_t hostPageAddr = tlbEntry->hostPageAddr;
      Bit32u pageOffset = PAGE_OFFSET(laddr);
      BX_INSTR_LIN_ACCESS(BX_CPU_ID, laddr, tlbEntry->ppf | pageOffset, 1, BX_WRITE);
      BX_DBG_LIN_MEMORY_ACCESS(BX_CPU_ID, laddr,
            tlbEntry->ppf | pageOffset, 1, CPL, BX_WRITE, (Bit8u*) &data);
      Bit8u *hostAddr = (Bit8u*) (hostPageAddr | pageOffset);
#if BX_SUPPORT_ICACHE
      pageWriteStampTable.decWriteStamp(tlbEntry->ppf);
#endif
      *hostAddr = data;
      return;
    }
  }
#endif

  if (! IsCanonical(laddr)) {
    BX_ERROR(("write_virtual_byte_64(): canonical failure"));
    exception(int_number(seg), 0, 0);
  }

  access_write_linear(laddr, 1, CPL, (void *) &data);
}
コード例 #23
0
ファイル: plugin.cpp プロジェクト: iver6/BA
void plugin_load(char *name, char *args, plugintype_t type)
{
  plugin_t *plugin, *temp;

  if (plugins != NULL) {
    temp = plugins;

    while (temp != NULL) {
      if (!strcmp(name, temp->name)) {
        BX_PANIC(("plugin '%s' already loaded", name));
        return;
      }
      temp = temp->next;
    }
  }

  plugin = (plugin_t *)malloc (sizeof(plugin_t));
  if (!plugin)
  {
    BX_PANIC(("malloc plugin_t failed"));
  }

  plugin->type = type;
  plugin->name = name;
  plugin->args = args;
  plugin->initialized = 0;

  char plugin_filename[BX_PATHNAME_LEN], buf[BX_PATHNAME_LEN];
  sprintf(buf, PLUGIN_FILENAME_FORMAT, name);
  sprintf(plugin_filename, "%s%s", PLUGIN_PATH, buf);

  // Set context so that any devices that the plugin registers will
  // be able to see which plugin created them.  The registration will
  // be called from either dlopen (global constructors) or plugin_init.
  BX_ASSERT(current_plugin_context == NULL);
  current_plugin_context = plugin;
#if defined(_MSC_VER)
  plugin->handle = LoadLibrary(plugin_filename);
  BX_INFO(("DLL handle is %p", plugin->handle));
  if (!plugin->handle)
  {
    current_plugin_context = NULL;
    BX_PANIC(("LoadLibrary failed for module '%s': error=%d", name, GetLastError()));
    free(plugin);
    return;
  }
#else
  plugin->handle = lt_dlopen (plugin_filename);
  BX_INFO(("lt_dlhandle is %p", plugin->handle));
  if (!plugin->handle)
  {
    current_plugin_context = NULL;
    BX_PANIC(("dlopen failed for module '%s': %s", name, lt_dlerror ()));
    free(plugin);
    return;
  }
#endif

  if (type != PLUGTYPE_USER) {
    sprintf(buf, PLUGIN_INIT_FMT_STRING, name);
  } else {
    sprintf(buf, PLUGIN_INIT_FMT_STRING, "user");
  }
#if defined(_MSC_VER)
  plugin->plugin_init = (plugin_init_t) GetProcAddress(plugin->handle, buf);
  if (plugin->plugin_init == NULL) {
    pluginlog->panic("could not find plugin_init: error=%d", GetLastError());
    plugin_abort ();
  }
#else
  plugin->plugin_init = (plugin_init_t) lt_dlsym (plugin->handle, buf);
  if (plugin->plugin_init == NULL) {
    pluginlog->panic("could not find plugin_init: %s", lt_dlerror ());
    plugin_abort ();
  }
#endif

  if (type != PLUGTYPE_USER) {
    sprintf(buf, PLUGIN_FINI_FMT_STRING, name);
  } else {
    sprintf(buf, PLUGIN_FINI_FMT_STRING, "user");
  }
#if defined(_MSC_VER)
  plugin->plugin_fini = (plugin_fini_t) GetProcAddress(plugin->handle, buf);
  if (plugin->plugin_fini == NULL) {
    pluginlog->panic("could not find plugin_fini: error=%d", GetLastError());
    plugin_abort ();
  }
#else
  plugin->plugin_fini = (plugin_fini_t) lt_dlsym (plugin->handle, buf);
  if (plugin->plugin_fini == NULL) {
    pluginlog->panic("could not find plugin_fini: %s", lt_dlerror ());
    plugin_abort();
  }
#endif
  pluginlog->info("loaded plugin %s",plugin_filename);

  /* Insert plugin at the _end_ of the plugin linked list. */
  plugin->next = NULL;

  if (!plugins)
  {
    /* Empty list, this become the first entry. */
    plugins = plugin;
  }
  else
  {
   /* Non-empty list.  Add to end. */
   temp = plugins;

   while (temp->next)
      temp = temp->next;

    temp->next = plugin;
  }

  plugin_init_one(plugin);

  // check that context didn't change.  This should only happen if we
  // need a reentrant plugin_load.
  BX_ASSERT(current_plugin_context == plugin);
  current_plugin_context = NULL;
}
コード例 #24
0
ファイル: plugin.cpp プロジェクト: ralvaradoc/libsf
void plugin_load(char *name, char *args, plugintype_t type)
{
    plugin_t *plugin;

    plugin = (plugin_t *)malloc (sizeof(plugin_t));
    if (!plugin)
    {
      BX_PANIC(("malloc plugin_t failed"));
    }

    plugin->type = type;
    plugin->name = name;
    plugin->args = args;
    plugin->initialized = 0;

    char plugin_filename[BX_PATHNAME_LEN], buf[BX_PATHNAME_LEN];
    sprintf(buf, PLUGIN_FILENAME_FORMAT, name);
    sprintf(plugin_filename, "%s%s", PLUGIN_PATH, buf);

    // Set context so that any devices that the plugin registers will
    // be able to see which plugin created them.  The registration will
    // be called from either dlopen (global constructors) or plugin_init.
    BX_ASSERT (current_plugin_context == NULL);
    current_plugin_context = plugin;
    plugin->handle = lt_dlopen (plugin_filename);
    BX_INFO (("lt_dlhandle is %p", plugin->handle));
    if (!plugin->handle)
    {
      current_plugin_context = NULL;
      BX_PANIC (("dlopen failed for module '%s': %s", name, lt_dlerror ()));
      free (plugin);
      return;
    }

    sprintf(buf, PLUGIN_INIT_FMT_STRING, name);
    plugin->plugin_init =  
      (int  (*)(struct _plugin_t *, enum plugintype_t, int, char *[])) /* monster typecast */
      lt_dlsym (plugin->handle, buf);
    if (plugin->plugin_init == NULL) {
        pluginlog->panic("could not find plugin_init: %s", lt_dlerror ());
        plugin_abort ();
    }

    sprintf(buf, PLUGIN_FINI_FMT_STRING, name);
    plugin->plugin_fini = (void (*)(void)) lt_dlsym (plugin->handle, buf);
    if (plugin->plugin_init == NULL) {
        pluginlog->panic("could not find plugin_fini: %s", lt_dlerror ());
        plugin_abort ();
    }
    pluginlog->info("loaded plugin %s",plugin_filename);


    /* Insert plugin at the _end_ of the plugin linked list. */
    plugin->next = NULL;

    if (!plugins)
    {
        /* Empty list, this become the first entry. */
        plugins = plugin;
    }
    else
    {
        /* Non-empty list.  Add to end. */
        plugin_t *temp = plugins;

        while (temp->next)
            temp = temp->next;

        temp->next = plugin;
    }

    plugin_init_one(plugin);

    // check that context didn't change.  This should only happen if we
    // need a reentrant plugin_load.
    BX_ASSERT (current_plugin_context == plugin);
    current_plugin_context = NULL;

    return;
}
コード例 #25
0
ファイル: virt_timer.cpp プロジェクト: iver6/BA
void bx_virt_timer_c::timer_handler(void)
{
  if(!virtual_timers_realtime) {
    Bit64u temp_final_time = bx_pc_system.time_usec();
    temp_final_time -= current_virtual_time;
    while (temp_final_time) {
      if((temp_final_time)>(virtual_next_event_time)) {
        temp_final_time -= virtual_next_event_time;
        advance_virtual_time(virtual_next_event_time);
      } else {
        advance_virtual_time(temp_final_time);
        temp_final_time -= temp_final_time;
      }
    }
    bx_pc_system.activate_timer(system_timer_id,
                                (Bit32u)BX_MIN(0x7FFFFFFF,(virtual_next_event_time>2)?(virtual_next_event_time-2):1),
                                0);
    return;
  }

  Bit64u usec_delta = bx_pc_system.time_usec()-last_usec;

  if (usec_delta) {
#if BX_HAVE_REALTIME_USEC
    Bit64u ticks_delta = 0;
    Bit64u real_time_delta = GET_VIRT_REALTIME64_USEC() - last_real_time - real_time_delay;
    Bit64u real_time_total = real_time_delta + total_real_usec;
    Bit64u system_time_delta = (Bit64u)usec_delta + (Bit64u)stored_delta;
    if(real_time_delta) {
      last_realtime_delta = real_time_delta;
      last_realtime_ticks = total_ticks;
    }
    ticks_per_second = USEC_PER_SECOND;

    //Start out with the number of ticks we would like
    // to have to line up with real time.
    ticks_delta = real_time_total - total_ticks;
    if(real_time_total < total_ticks) {
      //This slows us down if we're already ahead.
      //  probably only an issue on startup, but it solves some problems.
      ticks_delta = 0;
    }
    if(ticks_delta + total_ticks - last_realtime_ticks > (F2I(MAX_MULT * I2F(last_realtime_delta)))) {
      //This keeps us from going too fast in relation to real time.
#if 0
      ticks_delta = (F2I(MAX_MULT * I2F(last_realtime_delta))) + last_realtime_ticks - total_ticks;
#endif
      ticks_per_second = F2I(MAX_MULT * I2F(USEC_PER_SECOND));
    }
    if(ticks_delta > system_time_delta * USEC_PER_SECOND / MIN_USEC_PER_SECOND) {
      //This keeps us from having too few instructions between ticks.
      ticks_delta = system_time_delta * USEC_PER_SECOND / MIN_USEC_PER_SECOND;
    }
    if(ticks_delta > virtual_next_event_time) {
      //This keeps us from missing ticks.
      ticks_delta = virtual_next_event_time;
    }

    if(ticks_delta) {

#  if DEBUG_REALTIME_WITH_PRINTF
      //Every second print some info.
      if(((last_real_time + real_time_delta) / USEC_PER_SECOND) > (last_real_time / USEC_PER_SECOND)) {
        Bit64u temp1, temp2, temp3, temp4;
        temp1 = (Bit64u) total_real_usec;
        temp2 = (total_real_usec);
        temp3 = (Bit64u)total_ticks;
        temp4 = (Bit64u)((total_real_usec) - total_ticks);
        printf("useconds: " FMT_LL "u, ", temp1);
        printf("expect ticks: " FMT_LL "u, ", temp2);
        printf("ticks: " FMT_LL "u, ", temp3);
        printf("diff: "FMT_LL "u\n", temp4);
      }
#  endif

      last_real_time += real_time_delta;
      total_real_usec += real_time_delta;
      last_system_usec += system_time_delta;
      stored_delta = 0;
      total_ticks += ticks_delta;
    } else {
      stored_delta = system_time_delta;
    }

    Bit64u a = usec_per_second, b;
    if(real_time_delta) {
      //FIXME
      Bit64u em_realtime_delta = last_system_usec + stored_delta - em_last_realtime;
      b=((Bit64u)USEC_PER_SECOND * em_realtime_delta / real_time_delta);
      em_last_realtime = last_system_usec + stored_delta;
    } else {
      b=a;
    }
    usec_per_second = ALPHA_LOWER(a,b);
#else
    BX_ASSERT(0);
#endif
#if BX_HAVE_REALTIME_USEC
    advance_virtual_time(ticks_delta);
#endif
  }

  last_usec=last_usec + usec_delta;
  bx_pc_system.deactivate_timer(system_timer_id);
  BX_ASSERT(virtual_next_event_time);
  bx_pc_system.activate_timer(system_timer_id,
                              (Bit32u)BX_MIN(0x7FFFFFFF,BX_MAX(1,TICKS_TO_USEC(virtual_next_event_time))),
                              0);
}
コード例 #26
0
//______________________________________________________________________________
//                                                                            []
//` CreateEnumObjects                                                         []                 
//                                                                            []
void BX_SingleObject::CreateEnumObjects(void)
{
	if (
		!CLEAR_FILE_SYSTEM_BEFORE_START && 
		m_pOC_Registry->m_Language.GetSize()!=0  // !!! -- СДЕЛАТЬ СПЕЦ ФЛАГ.
		) 
	{
		return;
	}

	string	tempStr;

//----------------------------------------------------------------------------[]
//`Language

	BX_Language_Args	language_args;
	
	GetAdminPassword(language_args.AdminPassword);
	language_args.OwnName			= "Русский язык";
	language_args.ShortName			= "RUS";
	SERVER_DEBUG_ASSERT (BX_Language_New(language_args) == BX_OK,
		"CreateEnumObjects(): Error in BX_Language_New.");

	language_args.objID				= NA;
	language_args.OwnName			= "English language";
	language_args.ShortName			= "ENG";
	language_args.Language.			Add("Russian language");
	language_args.Name.				Add("Английский язык");
	SERVER_DEBUG_ASSERT (BX_Language_New(language_args) == BX_OK,
		"CreateEnumObjects(): Error in BX_Language_New.");

//----------------------------------------------------------------------------[] 

	ConceptCompiler();

//----------------------------------------------------------------------------[] 
// VBN 1
	BX_Concept_Args	concept_args;
	SERVER_DEBUG_ASSERT(BX_Concept_Enumerate(concept_args) == BX_OK,
		"CreateEnumObjects(): Error in BX_Concept_Enumerate.");

	BX_VBN_Args		vbn_arg;
	BX_User_Args	user_arg;
	BX_Site_Args	site_arg;	

	CREATE_PREDEFINED_OBJECTS;

	concept_args.ConceptType.Erase();
	concept_args.ConceptType.Add("Concept.Viewer.OS"					);
	concept_args.ConceptType.Add("Concept.Viewer.Browser"				);
	concept_args.ConceptType.Add("Concept.Viewer.Charset"				);
	concept_args.ConceptType.Add("Concept.Viewer.Language"			);
	concept_args.ConceptType.Add("Concept.Viewer.ScreenSize"			);
	concept_args.ConceptType.Add("Concept.Viewer.Colors"				);
	concept_args.ConceptType.Add("Concept.Viewer.JavaScriptVersion");
	concept_args.ConceptType.Add("Concept.Viewer.Java"					);
	concept_args.ConceptType.Add("Concept.Banner"						);
	concept_args.ConceptType.Add("Concept.Banner.Appearance"			);
	concept_args.ConceptType.Add("Concept.Banner.Shape"				);
	concept_args.ConceptType.Add("Concept.Banner.Format"				);
	concept_args.ConceptType.Add("Concept.Goods&Services"				);
	concept_args.ConceptType.Add("Concept.Goods&Services.Goods"		);
	concept_args.ConceptType.Add("Concept.Goods&Services.Soft"		);
	concept_args.ConceptType.Add("Concept.Goods&Services.Services"	);
	concept_args.ConceptType.Add("Concept.Goods&Services.Price"		);
	BX_ASSERT(BX_Concept_SetFilter(concept_args));

	return;
}