vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Initial implementation of ofwclock

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-07 22:56:25 +01:00
parent a1cb3e3811
commit f84dc56090
4 changed files with 191 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
ChangeLog.ofwclock Normal file
View file

@ -0,0 +1,15 @@
2010-02-07 Vladimir Serbinenko <phcoder@gmail.com>
* conf/powerpc-ieee1275.rmk (pkglib_MODULES): Add datetime.mod,
date.mod, datehook.mod.
(datetime_mod_SOURCES): New variable.
(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/sparc64-ieee1275.rmk: Likewise.
* lib/ieee1275/datetime.c: New file.

17
conf/powerpc-ieee1275.rmk
View file

@ -105,4 +105,21 @@ lsmmap_mod_SOURCES = commands/lsmmap.c
lsmmap_mod_CFLAGS = $(COMMON_CFLAGS)
lsmmap_mod_LDFLAGS = $(COMMON_LDFLAGS)
pkglib_MODULES += datetime.mod date.mod datehook.mod
# For datetime.mod
datetime_mod_SOURCES = lib/ieee1275/datetime.c
datetime_mod_CFLAGS = $(COMMON_CFLAGS)
datetime_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For date.mod
date_mod_SOURCES = commands/date.c
date_mod_CFLAGS = $(COMMON_CFLAGS)
date_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For datehook.mod
datehook_mod_SOURCES = hook/datehook.c
datehook_mod_CFLAGS = $(COMMON_CFLAGS)
datehook_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk

17
conf/sparc64-ieee1275.rmk
View file

@ -133,4 +133,21 @@ lsmmap_mod_SOURCES = commands/lsmmap.c
lsmmap_mod_CFLAGS = $(COMMON_CFLAGS)
lsmmap_mod_LDFLAGS = $(COMMON_LDFLAGS)
pkglib_MODULES += datetime.mod date.mod datehook.mod
# For datetime.mod
datetime_mod_SOURCES = lib/ieee1275/datetime.c
datetime_mod_CFLAGS = $(COMMON_CFLAGS)
datetime_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For date.mod
date_mod_SOURCES = commands/date.c
date_mod_CFLAGS = $(COMMON_CFLAGS)
date_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For datehook.mod
datehook_mod_SOURCES = hook/datehook.c
datehook_mod_CFLAGS = $(COMMON_CFLAGS)
datehook_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/common.mk

142
lib/ieee1275/datetime.c Normal file
View file

@ -0,0 +1,142 @@
/* kern/cmos_datetime.c - CMOS datetime function.
*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 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/datetime.h>
#include <grub/ieee1275/ieee1275.h>
#include <grub/misc.h>
static char *rtc = 0;
static void
find_rtc (void)
{
auto int hook (struct grub_ieee1275_devalias *alias);
int hook (struct grub_ieee1275_devalias *alias)
{
if (grub_strcmp (alias->type, "rtc") == 0)
{
grub_dprintf ("datetime", "Found RTC %s\n", alias->name);
rtc = grub_strdup (alias->name);
return 1;
}
return 0;
}
grub_ieee1275_devices_iterate (hook);
}
grub_err_t
grub_get_datetime (struct grub_datetime *datetime)
{
struct get_time_args
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t device;
grub_ieee1275_cell_t catch_result;
grub_ieee1275_cell_t year;
grub_ieee1275_cell_t month;
grub_ieee1275_cell_t day;
grub_ieee1275_cell_t hour;
grub_ieee1275_cell_t minute;
grub_ieee1275_cell_t second;
}
args;
int status;
grub_ieee1275_ihandle_t ihandle;
if (!rtc)
find_rtc ();
if (!rtc)
return grub_error (GRUB_ERR_IO, "no RTC found");
status = grub_ieee1275_open (rtc, &ihandle);
if (status == -1)
return grub_error (GRUB_ERR_IO, "couldn't open RTC");
INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 7);
args.device = (grub_ieee1275_cell_t) ihandle;
args.method = (grub_ieee1275_cell_t) "get-time";
status = IEEE1275_CALL_ENTRY_FN (&args);
grub_ieee1275_close (ihandle);
if (status == -1)
return grub_error (GRUB_ERR_IO, "get-time failed");
datetime->year = args.year;
datetime->month = args.month;
datetime->day = args.day;
datetime->hour = args.hour;
datetime->minute = args.minute;
datetime->second = args.second;
return GRUB_ERR_NONE;
}
grub_err_t
grub_set_datetime (struct grub_datetime *datetime)
{
struct get_time_args
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t device;
grub_ieee1275_cell_t year;
grub_ieee1275_cell_t month;
grub_ieee1275_cell_t day;
grub_ieee1275_cell_t hour;
grub_ieee1275_cell_t minute;
grub_ieee1275_cell_t second;
grub_ieee1275_cell_t catch_result;
}
args;
int status;
grub_ieee1275_ihandle_t ihandle;
if (!rtc)
find_rtc ();
if (!rtc)
return grub_error (GRUB_ERR_IO, "no RTC found");
status = grub_ieee1275_open (rtc, &ihandle);
if (status == -1)
return grub_error (GRUB_ERR_IO, "couldn't open RTC");
INIT_IEEE1275_COMMON (&args.common, "call-method", 8, 1);
args.device = (grub_ieee1275_cell_t) ihandle;
args.method = (grub_ieee1275_cell_t) "set-time";
args.year = datetime->year;
args.month = datetime->month;
args.day = datetime->day;
args.hour = datetime->hour;
args.minute = datetime->minute;
args.second = datetime->second;
status = IEEE1275_CALL_ENTRY_FN (&args);
grub_ieee1275_close (ihandle);
if (status == -1)
return grub_error (GRUB_ERR_IO, "set-time failed");
return GRUB_ERR_NONE;
}