C++ (Cpp) get_sfi_table Examples

Example #1

static int fix_sfi_table(char *sig, sfi_table_handler handler)
{
	struct sfi_table_header *table =  NULL;
	int ret = -EINVAL;

	table = get_sfi_table(sig);

	if (!table)
		goto exit;

	ret = handler(table);

exit:
	return ret;
}

Example #2

File: sfi.c Project: missimer/quest-edison

int
sfi_early_init(sfi_info_t *sfi_info)
{
  int i;
  size_t syst_num;
  phys_addr_t low_frame;
  phys_addr_t high_frame;
  phys_addr_t syst_phys;

  memset(sfi_info, 0, sizeof(*sfi_info));

  syst_phys = sfi_syst_phys();
  if(syst_phys == -1) {
    return 0;
  }

  low_frame = high_frame = syst_phys;

  sfi_info->system_table = (sfi_system_table_t*)
    (((char*)map_virtual_page((syst_phys & 0xFFFFF000) | 3))
    + (syst_phys & 0xFFF));

  syst_num = SFI_NUM_SYST_ENTRIES(sfi_info->system_table);

  for(i = 0; i < syst_num; i++) {
    if(sfi_info->system_table->entries[i] > 0xFFFFFFFF) {
      panic("SFI table above 4G region");
    }
    if(sfi_info->system_table->entries[i] < low_frame) {
      low_frame = sfi_info->system_table->entries[i];
    }
    if(sfi_info->system_table->entries[i] > high_frame) {
      high_frame = sfi_info->system_table->entries[i];
    }
  }

  sfi_info->low_frame = low_frame = low_frame & 0xFFFFF000;
  high_frame &= 0xFFFFF000;

  unmap_virtual_page(sfi_info->system_table);

  sfi_info->num_frames = ((high_frame - low_frame) / 0x1000) + 1;
  sfi_info->start_addr =
    map_contiguous_virtual_pages(low_frame | 3,
                                 sfi_info->num_frames);

  if(sfi_info->start_addr == NULL) {
    panic("Failed to map STI");
  }

  sfi_info->system_table = (sfi_system_table_t*)
    SFI_PHYS_TO_VIRT(sfi_info, syst_phys);

  print_syst_table(sfi_info);

  sfi_info->cpus_table = get_sfi_table(sfi_info, SFI_SIG_CPUS);
  print_cpus_table(sfi_info);

  sfi_info->apic_table = get_sfi_table(sfi_info, SFI_SIG_APIC);
  print_apic_table(sfi_info);

  sfi_info->mmap_table = get_sfi_table(sfi_info, SFI_SIG_MMAP);
  print_mmap_table(sfi_info);

  sfi_info->freq_table = get_sfi_table(sfi_info, SFI_SIG_FREQ);
  print_freq_table(sfi_info);

  sfi_info->mtmr_table = get_sfi_table(sfi_info, SFI_SIG_MTMR);
  print_mtmr_table(sfi_info);

  sfi_info->mrtc_table = get_sfi_table(sfi_info, SFI_SIG_MRTC);
  print_mrtc_table(sfi_info);

  sfi_info->wake_table = get_sfi_table(sfi_info, SFI_SIG_WAKE);
  print_wake_table(sfi_info);

  sfi_info->devs_table = get_sfi_table(sfi_info, SFI_SIG_DEVS);
  print_devs_table(sfi_info);

  sfi_info->gpio_table = get_sfi_table(sfi_info, SFI_SIG_GPIO);
  print_gpio_table(sfi_info);

  sfi_info->xsdt_table = get_sfi_table(sfi_info, SFI_SIG_XSDT);
  print_xsdt_table(sfi_info);

  return 0;
}