/* 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> 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; }