2008-08-15 Bean <bean123ch@gmail.com>
* conf/i386-pc.rmk (pkglib_MODULES): Add datetime.mod, date.mod and datehook.mod. (datetime_mod_SOURCES): New macro. (datetime_mod_CFLAGS): Likewise. (datetime_mod_LDFLAGS): Likewise. (date_mod_SOURCES): Likewise. (date_mod_CFLAGS): Likewise. (date_mod_LDFLAGS): Likewise. (datehook_mod_SOURCES): Likewise. (datehook_mod_CFLAGS): Likewise. (datehook_mod_LDFLAGS): Likewise. * conf/i386-coreboot.rmk (pkglib_MODULES): Add datetime.mod, date.mod and datehook.mod. (datetime_mod_SOURCES): New macro. (datetime_mod_CFLAGS): Likewise. (datetime_mod_LDFLAGS): Likewise. (date_mod_SOURCES): Likewise. (date_mod_CFLAGS): Likewise. (date_mod_LDFLAGS): Likewise. (datehook_mod_SOURCES): Likewise. (datehook_mod_CFLAGS): Likewise. (datehook_mod_LDFLAGS): Likewise. * conf/i386-ieee1275.rmk (pkglib_MODULES): Add datetime.mod, date.mod and datehook.mod. (datetime_mod_SOURCES): New macro. (datetime_mod_CFLAGS): Likewise. (datetime_mod_LDFLAGS): Likewise. (date_mod_SOURCES): Likewise. (date_mod_CFLAGS): Likewise. (date_mod_LDFLAGS): Likewise. (datehook_mod_SOURCES): Likewise. (datehook_mod_CFLAGS): Likewise. (datehook_mod_LDFLAGS): Likewise. * conf/i386-efi.rmk (pkglib_MODULES): Add datetime.mod, date.mod and datehook.mod. (datetime_mod_SOURCES): New macro. (datetime_mod_CFLAGS): Likewise. (datetime_mod_LDFLAGS): Likewise. (date_mod_SOURCES): Likewise. (date_mod_CFLAGS): Likewise. (date_mod_LDFLAGS): Likewise. (datehook_mod_SOURCES): Likewise. (datehook_mod_CFLAGS): Likewise. (datehook_mod_LDFLAGS): Likewise. * conf/x86_64-efi.rmk (pkglib_MODULES): Add datetime.mod, date.mod and datehook.mod. (datetime_mod_SOURCES): New macro. (datetime_mod_CFLAGS): Likewise. (datetime_mod_LDFLAGS): Likewise. (date_mod_SOURCES): Likewise. (date_mod_CFLAGS): Likewise. (date_mod_LDFLAGS): Likewise. (datehook_mod_SOURCES): Likewise. (datehook_mod_CFLAGS): Likewise. (datehook_mod_LDFLAGS): Likewise. * kern/env.c (grub_env_insert): Fix a bug in prevp pointer. * commands/date.c: New file. * hook/datehook.c: Likewise. * include/grub/lib/datetime.h: Likewise. * include/grub/i386/cmos.h: Likewise. * lib/datetime.c: Likewise. * lib/i386/datetime.c: Likewise. * lib/efi/datetime.c: Likewise.
This commit is contained in:
bean
parent
0e9242da3a
commit
42ce5170b7
21 changed files with 1799 additions and 86 deletions
49
lib/datetime.c
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49
lib/datetime.c
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/* datetime.c - Module for common 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/lib/datetime.h>
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static char *grub_weekday_names[] =
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{
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"Sunday",
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"Monday",
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"Tuesday",
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"Wednesday",
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"Thursday",
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"Friday",
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"Saturday",
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};
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int
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grub_get_weekday (struct grub_datetime *datetime)
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{
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int a, y, m;
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a = (14 - datetime->month) / 12;
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y = datetime->year - a;
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m = datetime->month + 12 * a - 2;
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return (datetime->day + y + y / 4 - y / 100 + y / 400 + (31 * m / 12)) % 7;
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}
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char *
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grub_get_weekday_name (struct grub_datetime *datetime)
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{
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return grub_weekday_names[grub_get_weekday (datetime)];
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}
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79
lib/efi/datetime.c
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79
lib/efi/datetime.c
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/* 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/lib/datetime.h>
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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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155
lib/i386/datetime.c
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155
lib/i386/datetime.c
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/* kern/i386/datetime.c - x86 CMOS 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/lib/datetime.h>
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#include <grub/i386/cmos.h>
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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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int is_bcd, is_12hour;
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grub_uint8_t value, flag;
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flag = grub_cmos_read (GRUB_CMOS_INDEX_STATUS_B);
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is_bcd = ! (flag & GRUB_CMOS_STATUS_B_BINARY);
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value = grub_cmos_read (GRUB_CMOS_INDEX_YEAR);
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if (is_bcd)
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value = grub_bcd_to_num (value);
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datetime->year = value;
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datetime->year += (value < 80) ? 2000 : 1900;
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value = grub_cmos_read (GRUB_CMOS_INDEX_MONTH);
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if (is_bcd)
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value = grub_bcd_to_num (value);
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datetime->month = value;
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value = grub_cmos_read (GRUB_CMOS_INDEX_DAY_OF_MONTH);
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if (is_bcd)
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value = grub_bcd_to_num (value);
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datetime->day = value;
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is_12hour = ! (flag & GRUB_CMOS_STATUS_B_24HOUR);
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value = grub_cmos_read (GRUB_CMOS_INDEX_HOUR);
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if (is_12hour)
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{
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is_12hour = (value & 0x80);
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value &= 0x7F;
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value--;
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}
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if (is_bcd)
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value = grub_bcd_to_num (value);
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if (is_12hour)
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value += 12;
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datetime->hour = value;
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value = grub_cmos_read (GRUB_CMOS_INDEX_MINUTE);
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if (is_bcd)
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value = grub_bcd_to_num (value);
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datetime->minute = value;
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value = grub_cmos_read (GRUB_CMOS_INDEX_SECOND);
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if (is_bcd)
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value = grub_bcd_to_num (value);
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datetime->second = value;
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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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int is_bcd, is_12hour;
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grub_uint8_t value, flag;
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flag = grub_cmos_read (GRUB_CMOS_INDEX_STATUS_B);
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is_bcd = ! (flag & GRUB_CMOS_STATUS_B_BINARY);
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value = ((datetime->year >= 2000) ? datetime->year - 2000 :
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datetime->year - 1900);
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if (is_bcd)
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value = grub_num_to_bcd (value);
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grub_cmos_write (GRUB_CMOS_INDEX_YEAR, value);
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value = datetime->month;
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if (is_bcd)
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value = grub_num_to_bcd (value);
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grub_cmos_write (GRUB_CMOS_INDEX_MONTH, value);
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value = datetime->day;
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if (is_bcd)
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value = grub_num_to_bcd (value);
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grub_cmos_write (GRUB_CMOS_INDEX_DAY_OF_MONTH, value);
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value = datetime->hour;
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is_12hour = (! (flag & GRUB_CMOS_STATUS_B_24HOUR));
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if (is_12hour)
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{
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value++;
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if (value > 12)
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value -= 12;
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else
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is_12hour = 0;
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}
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if (is_bcd)
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value = grub_num_to_bcd (value);
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if (is_12hour)
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value |= 0x80;
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grub_cmos_write (GRUB_CMOS_INDEX_HOUR, value);
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value = datetime->minute;
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if (is_bcd)
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value = grub_num_to_bcd (value);
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grub_cmos_write (GRUB_CMOS_INDEX_MINUTE, value);
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value = datetime->second;
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if (is_bcd)
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value = grub_num_to_bcd (value);
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grub_cmos_write (GRUB_CMOS_INDEX_SECOND, value);
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return 0;
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}
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