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- /* lsefisystab.c - Display EFI systab. */
- /*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2008 Free Software Foundation, Inc.
- *
- * GRUB is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * GRUB is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <grub/types.h>
- #include <grub/mm.h>
- #include <grub/dl.h>
- #include <grub/misc.h>
- #include <grub/normal.h>
- #include <grub/charset.h>
- #include <grub/efi/api.h>
- #include <grub/efi/efi.h>
- GRUB_MOD_LICENSE ("GPLv3+");
- struct guid_mapping
- {
- grub_efi_guid_t guid;
- const char *name;
- };
- static const struct guid_mapping guid_mappings[] =
- {
- { GRUB_EFI_ACPI_20_TABLE_GUID, "ACPI-2.0"},
- { GRUB_EFI_ACPI_TABLE_GUID, "ACPI-1.0"},
- { GRUB_EFI_CRC32_GUIDED_SECTION_EXTRACTION_GUID,
- "CRC32 GUIDED SECTION EXTRACTION"},
- { GRUB_EFI_DEBUG_IMAGE_INFO_TABLE_GUID, "DEBUG IMAGE INFO"},
- { GRUB_EFI_DXE_SERVICES_TABLE_GUID, "DXE SERVICES"},
- { GRUB_EFI_HCDP_TABLE_GUID, "HCDP"},
- { GRUB_EFI_HOB_LIST_GUID, "HOB LIST"},
- { GRUB_EFI_LZMA_CUSTOM_DECOMPRESS_GUID, "LZMA CUSTOM DECOMPRESS"},
- { GRUB_EFI_MEMORY_TYPE_INFORMATION_GUID, "MEMORY TYPE INFO"},
- { GRUB_EFI_MPS_TABLE_GUID, "MPS"},
- { GRUB_EFI_SAL_TABLE_GUID, "SAL"},
- { GRUB_EFI_SMBIOS_TABLE_GUID, "SMBIOS"},
- { GRUB_EFI_SYSTEM_RESOURCE_TABLE_GUID, "SYSTEM RESOURCE TABLE"},
- { GRUB_EFI_TIANO_CUSTOM_DECOMPRESS_GUID, "TIANO CUSTOM DECOMPRESS"},
- { GRUB_EFI_TSC_FREQUENCY_GUID, "TSC FREQUENCY"},
- };
- static grub_err_t
- grub_cmd_lsefisystab (struct grub_command *cmd __attribute__ ((unused)),
- int argc __attribute__ ((unused)),
- char **args __attribute__ ((unused)))
- {
- const grub_efi_system_table_t *st = grub_efi_system_table;
- grub_efi_configuration_table_t *t;
- unsigned int i;
- grub_printf ("Address: %p\n", st);
- grub_printf ("Signature: %016" PRIxGRUB_UINT64_T " revision: %08x\n",
- st->hdr.signature, st->hdr.revision);
- {
- char *vendor;
- grub_uint16_t *vendor_utf16;
- grub_printf ("Vendor: ");
-
- for (vendor_utf16 = st->firmware_vendor; *vendor_utf16; vendor_utf16++);
- vendor = grub_malloc (4 * (vendor_utf16 - st->firmware_vendor) + 1);
- if (!vendor)
- return grub_errno;
- *grub_utf16_to_utf8 ((grub_uint8_t *) vendor, st->firmware_vendor,
- vendor_utf16 - st->firmware_vendor) = 0;
- grub_printf ("%s", vendor);
- grub_free (vendor);
- }
- grub_printf (", Version=%x\n", st->firmware_revision);
- grub_printf ("%lld tables:\n", (long long) st->num_table_entries);
- t = st->configuration_table;
- for (i = 0; i < st->num_table_entries; i++)
- {
- unsigned int j;
- grub_printf ("%p ", t->vendor_table);
- grub_printf ("%08x-%04x-%04x-",
- t->vendor_guid.data1, t->vendor_guid.data2,
- t->vendor_guid.data3);
- for (j = 0; j < 8; j++)
- grub_printf ("%02x", t->vendor_guid.data4[j]);
-
- for (j = 0; j < ARRAY_SIZE (guid_mappings); j++)
- if (grub_memcmp (&guid_mappings[j].guid, &t->vendor_guid,
- sizeof (grub_efi_guid_t)) == 0)
- grub_printf (" %s", guid_mappings[j].name);
- grub_printf ("\n");
- t++;
- }
- return GRUB_ERR_NONE;
- }
- static grub_command_t cmd;
- GRUB_MOD_INIT(lsefisystab)
- {
- cmd = grub_register_command ("lsefisystab", grub_cmd_lsefisystab,
- "", "Display EFI system tables.");
- }
- GRUB_MOD_FINI(lsefisystab)
- {
- grub_unregister_command (cmd);
- }
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