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/* kern/efi/datetime.c - efi datetime function.
*
* 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/symbol.h>
#include <grub/efi/api.h>
#include <grub/efi/efi.h>
#include <grub/datetime.h>
#include <grub/dl.h>
GRUB_MOD_LICENSE ("GPLv3+");
grub_err_t
grub_get_datetime (struct grub_datetime *datetime)
{
grub_efi_status_t status;
struct grub_efi_time efi_time;
status = efi_call_2 (grub_efi_system_table->runtime_services->get_time,
&efi_time, 0);
if (status)
return grub_error (GRUB_ERR_INVALID_COMMAND,
"can\'t get datetime using efi");
else
{
datetime->year = efi_time.year;
datetime->month = efi_time.month;
datetime->day = efi_time.day;
datetime->hour = efi_time.hour;
datetime->minute = efi_time.minute;
datetime->second = efi_time.second;
}
return 0;
}
grub_err_t
grub_set_datetime (struct grub_datetime *datetime)
{
grub_efi_status_t status;
struct grub_efi_time efi_time;
status = efi_call_2 (grub_efi_system_table->runtime_services->get_time,
&efi_time, 0);
if (status)
return grub_error (GRUB_ERR_INVALID_COMMAND,
"can\'t get datetime using efi");
efi_time.year = datetime->year;
efi_time.month = datetime->month;
efi_time.day = datetime->day;
efi_time.hour = datetime->hour;
efi_time.minute = datetime->minute;
efi_time.second = datetime->second;
status = efi_call_1 (grub_efi_system_table->runtime_services->set_time,
&efi_time);
if (status)
return grub_error (GRUB_ERR_INVALID_COMMAND,
"can\'t set datetime using efi");
return 0;
}
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