132 lines
4.7 KiB
C
132 lines
4.7 KiB
C
/* lsefisystab.c - Display EFI systab. */
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/*
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* VAS_EBOOT -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* VAS_EBOOT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VAS_EBOOT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VAS_EBOOT. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <VasEBoot/types.h>
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#include <VasEBoot/mm.h>
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#include <VasEBoot/dl.h>
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#include <VasEBoot/misc.h>
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#include <VasEBoot/normal.h>
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#include <VasEBoot/charset.h>
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#include <VasEBoot/efi/api.h>
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#include <VasEBoot/efi/efi.h>
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VAS_EBOOT_MOD_LICENSE ("GPLv3+");
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struct guid_mapping
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{
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VasEBoot_guid_t guid;
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const char *name;
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};
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static const struct guid_mapping guid_mappings[] =
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{
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{ VAS_EBOOT_EFI_ACPI_20_TABLE_GUID, "ACPI-2.0"},
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{ VAS_EBOOT_EFI_ACPI_TABLE_GUID, "ACPI-1.0"},
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{ VAS_EBOOT_EFI_CONFORMANCE_PROFILES_TABLE_GUID, "CONFORMANCE PROFILES"},
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{ VAS_EBOOT_EFI_CRC32_GUIDED_SECTION_EXTRACTION_GUID,
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"CRC32 GUIDED SECTION EXTRACTION"},
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{ VAS_EBOOT_EFI_DEBUG_IMAGE_INFO_TABLE_GUID, "DEBUG IMAGE INFO"},
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{ VAS_EBOOT_EFI_DEVICE_TREE_GUID, "DEVICE TREE"},
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{ VAS_EBOOT_EFI_DXE_SERVICES_TABLE_GUID, "DXE SERVICES"},
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{ VAS_EBOOT_EFI_HCDP_TABLE_GUID, "HCDP"},
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{ VAS_EBOOT_EFI_HOB_LIST_GUID, "HOB LIST"},
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{ VAS_EBOOT_EFI_IMAGE_SECURITY_DATABASE_GUID, "IMAGE EXECUTION INFORMATION"},
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{ VAS_EBOOT_EFI_LZMA_CUSTOM_DECOMPRESS_GUID, "LZMA CUSTOM DECOMPRESS"},
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{ VAS_EBOOT_EFI_MEMORY_ATTRIBUTES_TABLE_GUID, "MEMORY ATTRIBUTES TABLE"},
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{ VAS_EBOOT_EFI_MEMORY_TYPE_INFORMATION_GUID, "MEMORY TYPE INFO"},
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{ VAS_EBOOT_EFI_MPS_TABLE_GUID, "MPS"},
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{ VAS_EBOOT_EFI_RT_PROPERTIES_TABLE_GUID, "RT PROPERTIES"},
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{ VAS_EBOOT_EFI_SAL_TABLE_GUID, "SAL"},
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{ VAS_EBOOT_EFI_SMBIOS_TABLE_GUID, "SMBIOS"},
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{ VAS_EBOOT_EFI_SMBIOS3_TABLE_GUID, "SMBIOS3"},
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{ VAS_EBOOT_EFI_SYSTEM_RESOURCE_TABLE_GUID, "SYSTEM RESOURCE TABLE"},
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{ VAS_EBOOT_EFI_TCG2_FINAL_EVENTS_TABLE_GUID, "TCG2 FINAL EVENTS TABLE"},
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{ VAS_EBOOT_EFI_TIANO_CUSTOM_DECOMPRESS_GUID, "TIANO CUSTOM DECOMPRESS"},
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{ VAS_EBOOT_EFI_TSC_FREQUENCY_GUID, "TSC FREQUENCY"},
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};
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static VasEBoot_err_t
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VasEBoot_cmd_lsefisystab (struct VasEBoot_command *cmd __attribute__ ((unused)),
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int argc __attribute__ ((unused)),
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char **args __attribute__ ((unused)))
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{
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const VasEBoot_efi_system_table_t *st = VasEBoot_efi_system_table;
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const VasEBoot_efi_uint32_t major_rev = st->hdr.revision >> 16;
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const VasEBoot_efi_uint32_t minor_rev_upper = (st->hdr.revision & 0xffff) / 10;
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const VasEBoot_efi_uint32_t minor_rev_lower = (st->hdr.revision & 0xffff) % 10;
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VasEBoot_efi_configuration_table_t *t;
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unsigned int i;
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VasEBoot_printf ("Address: %p\n", st);
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VasEBoot_printf ("Signature: %016" PRIxVAS_EBOOT_UINT64_T " revision: %u.%u",
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st->hdr.signature, major_rev, minor_rev_upper);
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if (minor_rev_lower)
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VasEBoot_printf (".%u", minor_rev_lower);
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VasEBoot_printf ("\n");
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{
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char *vendor;
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VasEBoot_uint16_t *vendor_utf16;
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VasEBoot_printf ("Vendor: ");
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for (vendor_utf16 = st->firmware_vendor; *vendor_utf16; vendor_utf16++);
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/* Allocate extra 3 bytes to simplify math. */
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vendor = VasEBoot_calloc (4, vendor_utf16 - st->firmware_vendor + 1);
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if (!vendor)
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return VasEBoot_errno;
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*VasEBoot_utf16_to_utf8 ((VasEBoot_uint8_t *) vendor, st->firmware_vendor,
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vendor_utf16 - st->firmware_vendor) = 0;
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VasEBoot_printf ("%s", vendor);
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VasEBoot_free (vendor);
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}
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VasEBoot_printf (", Version=%x\n", st->firmware_revision);
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VasEBoot_printf ("%lld tables:\n", (long long) st->num_table_entries);
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t = st->configuration_table;
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for (i = 0; i < st->num_table_entries; i++)
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{
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unsigned int j;
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VasEBoot_printf ("%p ", t->vendor_table);
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VasEBoot_printf ("%pG", &t->vendor_guid);
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for (j = 0; j < ARRAY_SIZE (guid_mappings); j++)
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if (VasEBoot_memcmp (&guid_mappings[j].guid, &t->vendor_guid,
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sizeof (VasEBoot_guid_t)) == 0)
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VasEBoot_printf (" %s", guid_mappings[j].name);
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VasEBoot_printf ("\n");
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t++;
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}
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return VAS_EBOOT_ERR_NONE;
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}
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static VasEBoot_command_t cmd;
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VAS_EBOOT_MOD_INIT(lsefisystab)
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{
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cmd = VasEBoot_register_command ("lsefisystab", VasEBoot_cmd_lsefisystab,
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"", "Display EFI system tables.");
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}
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VAS_EBOOT_MOD_FINI(lsefisystab)
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{
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VasEBoot_unregister_command (cmd);
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}
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