Example #1
0
static void
sim_core_uninstall (SIM_DESC sd)
{
  sim_core *core = STATE_CORE (sd);
  unsigned map;
  /* blow away any mappings */
  for (map = 0; map < nr_maps; map++) {
    sim_core_mapping *curr = core->common.map[map].first;
    while (curr != NULL) {
      sim_core_mapping *tbd = curr;
      curr = curr->next;
      if (tbd->free_buffer != NULL) {
	SIM_ASSERT (tbd->buffer != NULL);
	free (tbd->free_buffer);
      }
      free (tbd);
    }
    core->common.map[map].first = NULL;
  }
}
Example #2
0
static SIM_RC
memory_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
		       char *arg, int is_command)
{
  switch (opt)
    {

    case OPTION_MEMORY_DELETE:
      if (strcasecmp (arg, "all") == 0)
	{
	  while (STATE_MEMOPT (sd) != NULL)
	    do_memopt_delete (sd,
			      STATE_MEMOPT (sd)->level,
			      STATE_MEMOPT (sd)->space,
			      STATE_MEMOPT (sd)->addr);
	  return SIM_RC_OK;
	}
      else
	{
	  int level = 0;
	  int space = 0;
	  address_word addr = 0;
	  parse_addr (arg, &level, &space, &addr);
	  return do_memopt_delete (sd, level, space, addr);
	}

    case OPTION_MEMORY_REGION:
      {
	char *chp = arg;
	int level = 0;
	int space = 0;
	address_word addr = 0;
	address_word nr_bytes = 0;
	unsigned modulo = 0;
	/* parse the arguments */
	chp = parse_addr (chp, &level, &space, &addr);
	if (*chp != ',')
	  {
	    /* let the file autosize */
	    if (mmap_next_fd == -1)
	      {
		sim_io_eprintf (sd, "Missing size for memory-region\n");
		return SIM_RC_FAIL;
	      }
	  }
	else
	  chp = parse_size (chp + 1, &nr_bytes, &modulo);
	/* old style */
	if (*chp == ',')
	  modulo = strtoul (chp + 1, &chp, 0);
	/* try to attach/insert it */
	do_memopt_add (sd, level, space, addr, nr_bytes, modulo,
		       &STATE_MEMOPT (sd), NULL);
	return SIM_RC_OK;
      }

    case OPTION_MEMORY_ALIAS:
      {
	char *chp = arg;
	int level = 0;
	int space = 0;
	address_word addr = 0;
	address_word nr_bytes = 0;
	unsigned modulo = 0;
	sim_memopt *entry;
	/* parse the arguments */
	chp = parse_addr (chp, &level, &space, &addr);
	if (*chp != ',')
	  {
	    sim_io_eprintf (sd, "Missing size for memory-region\n");
	    return SIM_RC_FAIL;
	  }
	chp = parse_size (chp + 1, &nr_bytes, &modulo);
	/* try to attach/insert the main record */
	entry = do_memopt_add (sd, level, space, addr, nr_bytes, modulo,
			       &STATE_MEMOPT (sd),
			       NULL);
	/* now attach all the aliases */
	while (*chp == ',')
	  {
	    int a_level = level;
	    int a_space = space;
	    address_word a_addr = addr;
	    chp = parse_addr (chp + 1, &a_level, &a_space, &a_addr);
	    do_memopt_add (sd, a_level, a_space, a_addr, nr_bytes, modulo,
			   &entry->alias, entry->buffer);
	  }
	return SIM_RC_OK;
      }

    case OPTION_MEMORY_SIZE:
      {
	int level = 0;
	int space = 0;
	address_word addr = 0;
	address_word nr_bytes = 0;
	unsigned modulo = 0;
	/* parse the arguments */
	parse_size (arg, &nr_bytes, &modulo);
	/* try to attach/insert it */
	do_memopt_add (sd, level, space, addr, nr_bytes, modulo,
		       &STATE_MEMOPT (sd), NULL);
	return SIM_RC_OK;
      }

    case OPTION_MEMORY_CLEAR:
      {
	fill_byte_value = (unsigned8) 0;
	fill_byte_flag = 1;
	return SIM_RC_OK;
	break;
      }

    case OPTION_MEMORY_FILL:
      {
	unsigned long fill_value;
	parse_ulong_value (arg, &fill_value);
	if (fill_value > 255)
	  {
	    sim_io_eprintf (sd, "Missing fill value between 0 and 255\n");
	    return SIM_RC_FAIL;
	  }
	fill_byte_value = (unsigned8) fill_value;
	fill_byte_flag = 1;
	return SIM_RC_OK;
	break;
      }

    case OPTION_MEMORY_MAPFILE:
      {
	if (mmap_next_fd >= 0)
	  {
	    sim_io_eprintf (sd, "Duplicate memory-mapfile option\n");
	    return SIM_RC_FAIL;
	  }

	mmap_next_fd = open (arg, O_RDWR);
	if (mmap_next_fd < 0)
	  {
	    sim_io_eprintf (sd, "Cannot open file `%s': %s\n",
			    arg, strerror (errno));
	    return SIM_RC_FAIL;
	  }

	return SIM_RC_OK;
      }

    case OPTION_MEMORY_INFO:
      {
	sim_memopt *entry;
	sim_io_printf (sd, "Memory maps:\n");
	for (entry = STATE_MEMOPT (sd); entry != NULL; entry = entry->next)
	  {
	    sim_memopt *alias;
	    sim_io_printf (sd, " memory");
	    if (entry->alias == NULL)
	      sim_io_printf (sd, " region ");
	    else
	      sim_io_printf (sd, " alias ");
	    if (entry->space != 0)
	      sim_io_printf (sd, "0x%lx:", (long) entry->space);
	    sim_io_printf (sd, "0x%08lx", (long) entry->addr);
	    if (entry->level != 0)
	      sim_io_printf (sd, "@0x%lx", (long) entry->level);
	    sim_io_printf (sd, ",0x%lx",
			   (long) entry->nr_bytes);
	    if (entry->modulo != 0)
	      sim_io_printf (sd, "%%0x%lx", (long) entry->modulo);
	    for (alias = entry->alias;
		 alias != NULL;
		 alias = alias->next)
	      {
		if (alias->space != 0)
		  sim_io_printf (sd, "0x%lx:", (long) alias->space);
		sim_io_printf (sd, ",0x%08lx", (long) alias->addr);
		if (alias->level != 0)
		  sim_io_printf (sd, "@0x%lx", (long) alias->level);
	      }
	    sim_io_printf (sd, "\n");
	  }
	return SIM_RC_OK;
	break;
      }

    case OPTION_MAP_INFO:
      {
	sim_core *memory = STATE_CORE (sd);
	unsigned nr_map;

	for (nr_map = 0; nr_map < nr_maps; ++nr_map)
	  {
	    sim_core_map *map = &memory->common.map[nr_map];
	    sim_core_mapping *mapping = map->first;

	    if (!mapping)
	      continue;

	    sim_io_printf (sd, "%s maps:\n", map_to_str (nr_map));
	    do
	      {
		unsigned modulo;

		sim_io_printf (sd, " map ");
		if (mapping->space != 0)
		  sim_io_printf (sd, "0x%x:", mapping->space);
		sim_io_printf (sd, "0x%08lx", (long) mapping->base);
		if (mapping->level != 0)
		  sim_io_printf (sd, "@0x%x", mapping->level);
		sim_io_printf (sd, ",0x%lx", (long) mapping->nr_bytes);
		modulo = mapping->mask + 1;
		if (modulo != 0)
		  sim_io_printf (sd, "%%0x%x", modulo);
		sim_io_printf (sd, "\n");

		mapping = mapping->next;
	      }
	    while (mapping);
	  }

	return SIM_RC_OK;
	break;
      }

    default:
      sim_io_eprintf (sd, "Unknown memory option %d\n", opt);
      return SIM_RC_FAIL;

    }

  return SIM_RC_FAIL;
}
Example #3
0
void
sim_core_attach (SIM_DESC sd,
		 sim_cpu *cpu,
		 int level,
		 unsigned mapmask,
		 int space,
		 address_word addr,
		 address_word nr_bytes,
		 unsigned modulo,
#if WITH_HW
		 struct hw *client,
#else
		 device *client,
#endif
		 void *optional_buffer)
{
  sim_core *memory = STATE_CORE (sd);
  unsigned map;
  void *buffer;
  void *free_buffer;

  /* check for for attempt to use unimplemented per-processor core map */
  if (cpu != NULL)
    sim_io_error (sd, "sim_core_map_attach - processor specific memory map not yet supported");

  /* verify modulo memory */
  if (!WITH_MODULO_MEMORY && modulo != 0)
    {
#if (WITH_DEVICES)
      device_error (client, "sim_core_attach - internal error - modulo memory disabled");
#endif
#if (WITH_HW)
      sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo memory disabled");
#endif
      sim_io_error (sd, "sim_core_attach - internal error - modulo memory disabled");
    }
  if (client != NULL && modulo != 0)
    {
#if (WITH_DEVICES)
      device_error (client, "sim_core_attach - internal error - modulo and callback memory conflict");
#endif
#if (WITH_HW)
      sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo and callback memory conflict");
#endif
      sim_io_error (sd, "sim_core_attach - internal error - modulo and callback memory conflict");
    }
  if (modulo != 0)
    {
      unsigned mask = modulo - 1;
      /* any zero bits */
      while (mask >= sizeof (unsigned64)) /* minimum modulo */
	{
	  if ((mask & 1) == 0)
	    mask = 0;
	  else
	    mask >>= 1;
	}
      if (mask != sizeof (unsigned64) - 1)
	{
#if (WITH_DEVICES)
	  device_error (client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
#endif
#if (WITH_HW)
	  sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
#endif
	  sim_io_error (sd, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo);
	}
    }