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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* kern/efi/datetime.c - efi datetime function.
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*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* GRUB 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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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/types.h>
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#include <grub/symbol.h>
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#include <grub/efi/api.h>
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#include <grub/efi/efi.h>
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#include <grub/datetime.h>
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#include <grub/dl.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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grub_err_t
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grub_get_datetime (struct grub_datetime *datetime)
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{
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grub_efi_status_t status;
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struct grub_efi_time efi_time;
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status = efi_call_2 (grub_efi_system_table->runtime_services->get_time,
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&efi_time, 0);
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if (status)
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return grub_error (GRUB_ERR_INVALID_COMMAND,
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"can\'t get datetime using efi");
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else
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{
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datetime->year = efi_time.year;
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datetime->month = efi_time.month;
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datetime->day = efi_time.day;
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datetime->hour = efi_time.hour;
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datetime->minute = efi_time.minute;
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datetime->second = efi_time.second;
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}
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return 0;
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}
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grub_err_t
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grub_set_datetime (struct grub_datetime *datetime)
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{
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grub_efi_status_t status;
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struct grub_efi_time efi_time;
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status = efi_call_2 (grub_efi_system_table->runtime_services->get_time,
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&efi_time, 0);
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if (status)
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return grub_error (GRUB_ERR_INVALID_COMMAND,
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"can\'t get datetime using efi");
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efi_time.year = datetime->year;
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efi_time.month = datetime->month;
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efi_time.day = datetime->day;
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efi_time.hour = datetime->hour;
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efi_time.minute = datetime->minute;
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efi_time.second = datetime->second;
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status = efi_call_1 (grub_efi_system_table->runtime_services->set_time,
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&efi_time);
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if (status)
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return grub_error (GRUB_ERR_INVALID_COMMAND,
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"can\'t set datetime using efi");
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return 0;
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}
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