[evb] 45414: - Add PL031 RTC code for Versatile. - Add RTC time to TimeInfo convert. - Implement FirmWare GetTime function. Countdown in FreeLDR now working.
4 Feb
2010
4 Feb
'10
7:22 a.m.
Author: evb
Date: Thu Feb 4 08:22:03 2010
New Revision: 45414
URL: http://svn.reactos.org/svn/reactos?rev=45414&view=rev
Log:
- Add PL031 RTC code for Versatile.
- Add RTC time to TimeInfo convert.
- Implement FirmWare GetTime function. Countdown in FreeLDR now working.
Added:
trunk/reactos/boot/armllb/hw/time.c (with props)
Modified:
trunk/reactos/boot/armllb/armllb.rbuild
trunk/reactos/boot/armllb/fw.c
trunk/reactos/boot/armllb/hw/versatile/hwinfo.c
trunk/reactos/boot/armllb/inc/fw.h
trunk/reactos/boot/armllb/inc/hw.h
trunk/reactos/boot/armllb/inc/precomp.h
Modified: trunk/reactos/boot/armllb/armllb.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/armllb.rbuild?…
==============================================================================
--- trunk/reactos/boot/armllb/armllb.rbuild [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/armllb.rbuild [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -26,6 +26,7 @@
<directory name="hw">
<file>keyboard.c</file>
<file>serial.c</file>
+ <file>time.c</file>
<file>video.c</file>
<if property="SARCH" value="omap3">
<directory name="omap3">
Modified: trunk/reactos/boot/armllb/fw.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/fw.c?rev=45414…
==============================================================================
--- trunk/reactos/boot/armllb/fw.c [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/fw.c [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -171,12 +171,11 @@
return;
}
-VOID
+TIMEINFO*
LlbFwGetTime(VOID)
{
- printf("%s is UNIMPLEMENTED", __FUNCTION__);
- while (TRUE);
- return;
+ /* Call existing function */
+ return LlbGetTime();
}
/* EOF */
Added: trunk/reactos/boot/armllb/hw/time.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/hw/time.c?rev=…
==============================================================================
--- trunk/reactos/boot/armllb/hw/time.c (added)
+++ trunk/reactos/boot/armllb/hw/time.c [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -1,0 +1,91 @@
+/*
+ * PROJECT: ReactOS Boot Loader
+ * LICENSE: BSD - See COPYING.ARM in the top level directory
+ * FILE: boot/armllb/hw/time.c
+ * PURPOSE: LLB Time Routines
+ * PROGRAMMERS: ReactOS Portable Systems Group
+ */
+
+#include "precomp.h"
+
+#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400)
+
+UCHAR LlbDaysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+TIMEINFO LlbTime;
+
+BOOLEAN
+NTAPI
+LlbIsLeapYear(IN ULONG Year)
+{
+ /* Every 4, 100, or 400 years */
+ return (!(Year % 4) && (Year % 100)) || !(Year % 400);
+}
+
+ULONG
+NTAPI
+LlbDayOfMonth(IN ULONG Month,
+ IN ULONG Year)
+{
+ /* Check how many days a month has, accounting for leap yearS */
+ return LlbDaysInMonth[Month] + (LlbIsLeapYear(Year) && Month == 1);
+}
+
+VOID
+NTAPI
+LlbConvertRtcTime(IN ULONG RtcTime,
+ OUT TIMEINFO* TimeInfo)
+{
+ ULONG Month, Year, Days, DaysLeft;
+
+ /* Count the days, keep the minutes */
+ Days = RtcTime / 86400;
+ RtcTime -= Days * 86400;
+
+ /* Get the year, based on days since 1970 */
+ Year = 1970 + Days / 365;
+
+ /* Account for leap years which changed the number of days/year */
+ Days -= (Year - 1970) * 365 + LEAPS_THRU_END_OF(Year - 1) - LEAPS_THRU_END_OF(1970 -
1);
+ if (Days < 0)
+ {
+ /* We hit a leap year, so fixup the math */
+ Year--;
+ Days += 365 + LlbIsLeapYear(Year);
+ }
+
+ /* Count months */
+ for (Month = 0; Month < 11; Month++)
+ {
+ /* How many days in this month? */
+ DaysLeft = Days - LlbDayOfMonth(Month, Year);
+ if (DaysLeft < 0) break;
+
+ /* How many days left total? */
+ Days = DaysLeft;
+ }
+
+ /* Write the structure */
+ TimeInfo->Year = Year;
+ TimeInfo->Day = Days + 1;
+ TimeInfo->Month = Month + 1;
+ TimeInfo->Hour = RtcTime / 3600;
+ RtcTime -= TimeInfo->Hour * 3600;
+ TimeInfo->Minute = RtcTime / 60;
+ TimeInfo->Second = RtcTime - TimeInfo->Minute * 60;
+}
+
+TIMEINFO*
+NTAPI
+LlbGetTime(VOID)
+{
+ ULONG RtcTime;
+
+ /* Read RTC time */
+ RtcTime = LlbHwRtcRead();
+
+ /* Convert it */
+ LlbConvertRtcTime(RtcTime, &LlbTime);
+ return &LlbTime;
+}
+
+/* EOF */
Propchange: trunk/reactos/boot/armllb/hw/time.c
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: trunk/reactos/boot/armllb/hw/time.c
------------------------------------------------------------------------------
svn:executable = *
Modified: trunk/reactos/boot/armllb/hw/versatile/hwinfo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/hw/versatile/h…
==============================================================================
--- trunk/reactos/boot/armllb/hw/versatile/hwinfo.c [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/hw/versatile/hwinfo.c [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -7,6 +7,9 @@
*/
#include "precomp.h"
+
+#define PL031_RTC_DR (LlbHwVersaRtcBase + 0x00)
+static const ULONG LlbHwVersaRtcBase = 0x101E8000;
ULONG
NTAPI
@@ -44,4 +47,10 @@
LlbAllocateMemoryEntry(BiosMemoryReserved, 0x10000000, 128 * 1024 * 1024);
}
+ULONG
+LlbHwRtcRead(VOID)
+{
+ /* Read RTC value */
+ return READ_REGISTER_ULONG(PL031_RTC_DR);
+}
/* EOF */
Modified: trunk/reactos/boot/armllb/inc/fw.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/inc/fw.h?rev=4…
==============================================================================
--- trunk/reactos/boot/armllb/inc/fw.h [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/inc/fw.h [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -5,6 +5,16 @@
* PURPOSE: LLB Firmware Functions
* PROGRAMMERS: ReactOS Portable Systems Group
*/
+
+typedef struct _TIMEINFO
+{
+ USHORT Year;
+ USHORT Month;
+ USHORT Day;
+ USHORT Hour;
+ USHORT Minute;
+ USHORT Second;
+} TIMEINFO;
VOID
LlbFwPutChar(
@@ -94,7 +104,7 @@
VOID
);
-VOID
+TIMEINFO*
LlbFwGetTime(
VOID
);
Modified: trunk/reactos/boot/armllb/inc/hw.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/inc/hw.h?rev=4…
==============================================================================
--- trunk/reactos/boot/armllb/inc/hw.h [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/inc/hw.h [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -104,6 +104,19 @@
VOID
);
+ULONG
+NTAPI
+LlbHwRtcRead(
+ VOID
+);
+
+//fix
+TIMEINFO*
+NTAPI
+LlbGetTime(
+ VOID
+);
+
#ifdef _VERSATILE_
#include "versa.h"
#elif _OMAP3_
Modified: trunk/reactos/boot/armllb/inc/precomp.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/armllb/inc/precomp.h?…
==============================================================================
--- trunk/reactos/boot/armllb/inc/precomp.h [iso-8859-1] (original)
+++ trunk/reactos/boot/armllb/inc/precomp.h [iso-8859-1] Thu Feb 4 08:22:03 2010
@@ -11,8 +11,8 @@
#include "ioaccess.h"
#include "machtype.h"
#include "osloader.h"
+#include "fw.h"
#include "hw.h"
-#include "fw.h"
#include "serial.h"
#include "video.h"
#include "keyboard.h"
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