| /* 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); |
| } |