110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/* 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_SAL_TABLE_GUID, "SAL"},
|
|
{ GRUB_EFI_SMBIOS_TABLE_GUID, "SMBIOS"},
|
|
{ GRUB_EFI_MPS_TABLE_GUID, "MPS"},
|
|
{ GRUB_EFI_HCDP_TABLE_GUID, "HCDP"}
|
|
};
|
|
|
|
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 ("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);
|
|
}
|