[mirror_edk2.git] / Nt32Pkg / RealTimeClockRuntimeDxe / RealTimeClock.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
\r
  RealTimeClock.c\r
\r
Abstract:\r
\r
  NT Emulation Architectural Protocol Driver as defined in Tiano\r
\r
--*/\r
\r
#include <PiDxe.h>\r
#include <WinNtDxe.h>\r
#include <Protocol/RealTimeClock.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/WinNtLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
\r
BOOLEAN\r
DayValid (\r
  IN  EFI_TIME  *Time\r
  );\r
\r
BOOLEAN\r
IsLeapYear (\r
  IN EFI_TIME   *Time\r
  );\r
\r
EFI_STATUS\r
RtcTimeFieldsValid (\r
  IN EFI_TIME *Time\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeRealTimeClock (\r
  IN EFI_HANDLE                          ImageHandle,\r
  IN EFI_SYSTEM_TABLE                    *SystemTable\r
  );\r
\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
WinNtGetTime (\r
  OUT EFI_TIME                                 *Time,\r
  OUT EFI_TIME_CAPABILITIES                    *Capabilities OPTIONAL\r
  )\r
/*++\r
\r
Routine Description:\r
  Service routine for RealTimeClockInstance->GetTime \r
\r
Arguments:\r
\r
  Time          - A pointer to storage that will receive a snapshot of the current time.\r
\r
  Capabilities  - A pointer to storage that will receive the capabilities of the real time clock\r
                  in the platform. This includes the real time clock's resolution and accuracy.  \r
                  All reported device capabilities are rounded up.  This is an OPTIONAL argument.\r
\r
Returns:\r
\r
  EFI_SUCEESS   - The underlying GetSystemTime call occurred and returned\r
                  Note that in the NT32 emulation, the GetSystemTime call has no return value\r
                  thus you will always receive a EFI_SUCCESS on this.\r
\r
--*/\r
// TODO:    EFI_INVALID_PARAMETER - add return value to function comment\r
{\r
  SYSTEMTIME            SystemTime;\r
  TIME_ZONE_INFORMATION TimeZone;\r
\r
  //\r
  // Check parameter for null pointer\r
  //\r
  if (Time == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
\r
  }\r
\r
  gWinNt->GetLocalTime (&SystemTime);\r
  gWinNt->GetTimeZoneInformation (&TimeZone);\r
\r
  Time->Year        = (UINT16) SystemTime.wYear;\r
  Time->Month       = (UINT8) SystemTime.wMonth;\r
  Time->Day         = (UINT8) SystemTime.wDay;\r
  Time->Hour        = (UINT8) SystemTime.wHour;\r
  Time->Minute      = (UINT8) SystemTime.wMinute;\r
  Time->Second      = (UINT8) SystemTime.wSecond;\r
  Time->Nanosecond  = (UINT32) (SystemTime.wMilliseconds * 1000000);\r
  Time->TimeZone    = (INT16) TimeZone.Bias;\r
\r
  if (Capabilities != NULL) {\r
    Capabilities->Resolution  = 1;\r
    Capabilities->Accuracy    = 50000000;\r
    Capabilities->SetsToZero  = FALSE;\r
  }\r
\r
  Time->Daylight = 0;\r
  if (TimeZone.StandardDate.wMonth) {\r
    Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
WinNtSetTime (\r
  IN EFI_TIME   *Time\r
  )\r
/*++\r
\r
Routine Description:\r
  Service routine for RealTimeClockInstance->SetTime \r
\r
Arguments:\r
\r
  Time          - A pointer to storage containing the time and date information to\r
                  program into the real time clock.\r
\r
Returns:\r
\r
  EFI_SUCEESS           - The operation completed successfully.\r
                  \r
  EFI_INVALID_PARAMETER - One of the fields in Time is out of range.\r
\r
  EFI_DEVICE_ERROR      - The operation could not be complete due to a device error.\r
\r
--*/\r
// TODO:    EFI_SUCCESS - add return value to function comment\r
{\r
  TIME_ZONE_INFORMATION TimeZone;\r
  EFI_STATUS            Status;\r
  SYSTEMTIME            SystemTime;\r
  BOOL                  Flag;\r
\r
  if (Time == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
  //\r
  // Make sure that the time fields are valid\r
  //\r
  Status = RtcTimeFieldsValid (Time);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  //\r
  // Set Daylight savings time information and Time Zone\r
  //\r
  gWinNt->GetTimeZoneInformation (&TimeZone);\r
  TimeZone.StandardDate.wMonth  = Time->Daylight;\r
  TimeZone.Bias                 = Time->TimeZone;\r
  gWinNt->SetTimeZoneInformation (&TimeZone);\r
\r
  SystemTime.wYear          = Time->Year;\r
  SystemTime.wMonth         = Time->Month;\r
  SystemTime.wDay           = Time->Day;\r
  SystemTime.wHour          = Time->Hour;\r
  SystemTime.wMinute        = Time->Minute;\r
  SystemTime.wSecond        = Time->Second;\r
  SystemTime.wMilliseconds  = (INT16) (Time->Nanosecond / 1000000);\r
\r
  Flag                      = gWinNt->SetLocalTime (&SystemTime);\r
\r
  if (!Flag) {\r
    return EFI_DEVICE_ERROR;\r
  } else {\r
    return EFI_SUCCESS;\r
  }\r
}\r
\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
WinNtGetWakeupTime (\r
  OUT BOOLEAN        *Enabled,\r
  OUT BOOLEAN        *Pending,\r
  OUT EFI_TIME       *Time\r
  )\r
/*++\r
\r
Routine Description:\r
  Service routine for RealTimeClockInstance->GetWakeupTime\r
\r
Arguments:\r
  This          - Indicates the protocol instance structure.\r
\r
  Enabled       - Indicates if the alarm is currently enabled or disabled.\r
\r
  Pending       - Indicates if the alarm signal is pending and requires\r
                  acknowledgement.\r
\r
  Time          - The current alarm setting.\r
\r
Returns:\r
\r
  EFI_SUCEESS           - The operation completed successfully.\r
                  \r
  EFI_DEVICE_ERROR      - The operation could not be complete due to a device error.\r
\r
  EFI_UNSUPPORTED       - The operation is not supported on this platform.\r
\r
--*/\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
WinNtSetWakeupTime (\r
  IN BOOLEAN      Enable,\r
  OUT EFI_TIME    *Time\r
  )\r
/*++\r
\r
Routine Description:\r
  Service routine for RealTimeClockInstance->SetWakeupTime\r
\r
Arguments:\r
\r
  Enabled       - Enable or disable the wakeup alarm.\r
\r
  Time          - If enable is TRUE, the time to set the wakup alarm for.\r
                  If enable is FALSE, then this parameter is optional, and\r
                  may be NULL.\r
\r
Returns:\r
\r
  EFI_SUCEESS           - The operation completed successfully.\r
                  \r
  EFI_DEVICE_ERROR      - The operation could not be complete due to a device error.\r
\r
  EFI_INVALID_PARAMETER - A field in Time is out of range.\r
\r
  EFI_UNSUPPORTED       - The operation is not supported on this platform.\r
\r
--*/\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeRealTimeClock (\r
  IN EFI_HANDLE                            ImageHandle,\r
  IN EFI_SYSTEM_TABLE                      *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
  Install Real Time Clock Protocol \r
\r
Arguments:\r
  (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r
\r
Returns:\r
\r
  EFI_SUCEESS - Real Time Clock Services are installed into the Runtime Services Table\r
\r
--*/\r
// TODO:    ImageHandle - add argument and description to function comment\r
// TODO:    SystemTable - add argument and description to function comment\r
{\r
  EFI_STATUS  Status;\r
  EFI_HANDLE  Handle;\r
\r
\r
  SystemTable->RuntimeServices->GetTime       = WinNtGetTime;\r
  SystemTable->RuntimeServices->SetTime       = WinNtSetTime;\r
  SystemTable->RuntimeServices->GetWakeupTime = WinNtGetWakeupTime;\r
  SystemTable->RuntimeServices->SetWakeupTime = WinNtSetWakeupTime;\r
\r
  Handle = NULL;\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &Handle,\r
                  &gEfiRealTimeClockArchProtocolGuid,\r
                  NULL,\r
                  NULL\r
                  );\r
  return Status;\r
}\r
\r
EFI_STATUS\r
RtcTimeFieldsValid (\r
  IN EFI_TIME *Time\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Arguments:\r
 \r
  Returns: \r
--*/\r
// TODO:    Time - add argument and description to function comment\r
// TODO:    EFI_INVALID_PARAMETER - add return value to function comment\r
// TODO:    EFI_SUCCESS - add return value to function comment\r
{\r
  if (Time->Year < 1998 ||\r
      Time->Year > 2099 ||\r
      Time->Month < 1 ||\r
      Time->Month > 12 ||\r
      (!DayValid (Time)) ||\r
      Time->Hour > 23 ||\r
      Time->Minute > 59 ||\r
      Time->Second > 59 ||\r
      Time->Nanosecond > 999999999 ||\r
      (!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE || (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) ||\r
      (Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT | EFI_TIME_IN_DAYLIGHT)))\r
      ) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
BOOLEAN\r
DayValid (\r
  IN  EFI_TIME  *Time\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  Time  - TODO: add argument description\r
\r
Returns:\r
\r
  TODO: add return values\r
\r
--*/\r
{\r
\r
  INTN  DayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };\r
\r
  if (Time->Day < 1 ||\r
      Time->Day > DayOfMonth[Time->Month - 1] ||\r
      (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))\r
      ) {\r
    return FALSE;\r
  }\r
\r
  return TRUE;\r
}\r
\r
BOOLEAN\r
IsLeapYear (\r
  IN EFI_TIME   *Time\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  Time  - TODO: add argument description\r
\r
Returns:\r
\r
  TODO: add return values\r
\r
--*/\r
{\r
  if (Time->Year % 4 == 0) {\r
    if (Time->Year % 100 == 0) {\r
      if (Time->Year % 400 == 0) {\r
        return TRUE;\r
      } else {\r
        return FALSE;\r
      }\r
    } else {\r
      return TRUE;\r
    }\r
  } else {\r
    return FALSE;\r
  }\r
}\r
Commit	Line	Data
49993bed	1	/*++\r
	2	\r
	3	Copyright (c) 2006, Intel Corporation \r
	4	All rights reserved. This program and the accompanying materials \r
	5	are licensed and made available under the terms and conditions of the BSD License \r
	6	which accompanies this distribution. The full text of the license may be found at \r
	7	http://opensource.org/licenses/bsd-license.php \r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	\r
	12	Module Name:\r
	13	\r
	14	RealTimeClock.c\r
	15	\r
	16	Abstract:\r
	17	\r
	18	NT Emulation Architectural Protocol Driver as defined in Tiano\r
	19	\r
	20	--*/\r
	21	\r
f2569572 A	22	#include <PiDxe.h>\r
	23	#include <WinNtDxe.h>\r
	24	#include <Protocol/RealTimeClock.h>\r
	25	#include <Library/DebugLib.h>\r
	26	#include <Library/UefiDriverEntryPoint.h>\r
	27	#include <Library/WinNtLib.h>\r
	28	#include <Library/UefiBootServicesTableLib.h>\r
49993bed	29	\r
49993bed	30	\r
49993bed	31	BOOLEAN\r
	32	DayValid (\r
	33	IN EFI_TIME *Time\r
	34	);\r
	35	\r
	36	BOOLEAN\r
	37	IsLeapYear (\r
	38	IN EFI_TIME *Time\r
	39	);\r
	40	\r
	41	EFI_STATUS\r
	42	RtcTimeFieldsValid (\r
	43	IN EFI_TIME *Time\r
	44	);\r
	45	\r
	46	EFI_STATUS\r
	47	EFIAPI\r
	48	InitializeRealTimeClock (\r
	49	IN EFI_HANDLE ImageHandle,\r
	50	IN EFI_SYSTEM_TABLE *SystemTable\r
	51	);\r
	52	\r
	53	STATIC\r
	54	EFI_STATUS\r
	55	EFIAPI\r
	56	WinNtGetTime (\r
	57	OUT EFI_TIME *Time,\r
	58	OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
	59	)\r
	60	/*++\r
	61	\r
	62	Routine Description:\r
	63	Service routine for RealTimeClockInstance->GetTime \r
	64	\r
	65	Arguments:\r
	66	\r
	67	Time - A pointer to storage that will receive a snapshot of the current time.\r
	68	\r
	69	Capabilities - A pointer to storage that will receive the capabilities of the real time clock\r
	70	in the platform. This includes the real time clock's resolution and accuracy. \r
	71	All reported device capabilities are rounded up. This is an OPTIONAL argument.\r
	72	\r
	73	Returns:\r
	74	\r
	75	EFI_SUCEESS - The underlying GetSystemTime call occurred and returned\r
	76	Note that in the NT32 emulation, the GetSystemTime call has no return value\r
	77	thus you will always receive a EFI_SUCCESS on this.\r
	78	\r
	79	--*/\r
	80	// TODO: EFI_INVALID_PARAMETER - add return value to function comment\r
	81	{\r
	82	SYSTEMTIME SystemTime;\r
	83	TIME_ZONE_INFORMATION TimeZone;\r
	84	\r
	85	//\r
	86	// Check parameter for null pointer\r
	87	//\r
	88	if (Time == NULL) {\r
	89	return EFI_INVALID_PARAMETER;\r
	90	\r
	91	}\r
	92	\r
	93	gWinNt->GetLocalTime (&SystemTime);\r
	94	gWinNt->GetTimeZoneInformation (&TimeZone);\r
95	\r
96	Time->Year = (UINT16) SystemTime.wYear;\r
97	Time->Month = (UINT8) SystemTime.wMonth;\r
98	Time->Day = (UINT8) SystemTime.wDay;\r
99	Time->Hour = (UINT8) SystemTime.wHour;\r
100	Time->Minute = (UINT8) SystemTime.wMinute;\r
101	Time->Second = (UINT8) SystemTime.wSecond;\r
102	Time->Nanosecond = (UINT32) (SystemTime.wMilliseconds * 1000000);\r
103	Time->TimeZone = (INT16) TimeZone.Bias;\r
104	\r
105	if (Capabilities != NULL) {\r
106	Capabilities->Resolution = 1;\r
107	Capabilities->Accuracy = 50000000;\r
108	Capabilities->SetsToZero = FALSE;\r
109	}\r
110	\r
111	Time->Daylight = 0;\r
112	if (TimeZone.StandardDate.wMonth) {\r
113	Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r
114	}\r
115	\r
116	return EFI_SUCCESS;\r
117	}\r
118	\r
119	STATIC\r
120	EFI_STATUS\r
121	EFIAPI\r
122	WinNtSetTime (\r
123	IN EFI_TIME *Time\r
124	)\r
125	/*++\r
126	\r
127	Routine Description:\r
128	Service routine for RealTimeClockInstance->SetTime \r
129	\r
130	Arguments:\r
131	\r
132	Time - A pointer to storage containing the time and date information to\r
133	program into the real time clock.\r
134	\r
135	Returns:\r
136	\r
137	EFI_SUCEESS - The operation completed successfully.\r
138	\r
139	EFI_INVALID_PARAMETER - One of the fields in Time is out of range.\r
140	\r
141	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
142	\r
143	--*/\r
144	// TODO: EFI_SUCCESS - add return value to function comment\r
145	{\r
146	TIME_ZONE_INFORMATION TimeZone;\r
147	EFI_STATUS Status;\r
148	SYSTEMTIME SystemTime;\r
149	BOOL Flag;\r
150	\r
151	if (Time == NULL) {\r
152	return EFI_INVALID_PARAMETER;\r
153	}\r
154	//\r
155	// Make sure that the time fields are valid\r
156	//\r
157	Status = RtcTimeFieldsValid (Time);\r
158	if (EFI_ERROR (Status)) {\r
159	return Status;\r
160	}\r
161	//\r
162	// Set Daylight savings time information and Time Zone\r
163	//\r
164	gWinNt->GetTimeZoneInformation (&TimeZone);\r
165	TimeZone.StandardDate.wMonth = Time->Daylight;\r
166	TimeZone.Bias = Time->TimeZone;\r
167	gWinNt->SetTimeZoneInformation (&TimeZone);\r
168	\r
169	SystemTime.wYear = Time->Year;\r
170	SystemTime.wMonth = Time->Month;\r
171	SystemTime.wDay = Time->Day;\r
172	SystemTime.wHour = Time->Hour;\r
173	SystemTime.wMinute = Time->Minute;\r
174	SystemTime.wSecond = Time->Second;\r
175	SystemTime.wMilliseconds = (INT16) (Time->Nanosecond / 1000000);\r
176	\r
177	Flag = gWinNt->SetLocalTime (&SystemTime);\r
178	\r
179	if (!Flag) {\r
180	return EFI_DEVICE_ERROR;\r
181	} else {\r
182	return EFI_SUCCESS;\r
183	}\r
184	}\r
185	\r
186	STATIC\r
187	EFI_STATUS\r
188	EFIAPI\r
189	WinNtGetWakeupTime (\r
190	OUT BOOLEAN *Enabled,\r
191	OUT BOOLEAN *Pending,\r
192	OUT EFI_TIME *Time\r
193	)\r
194	/*++\r
195	\r
196	Routine Description:\r
197	Service routine for RealTimeClockInstance->GetWakeupTime\r
198	\r
199	Arguments:\r
200	This - Indicates the protocol instance structure.\r
201	\r
202	Enabled - Indicates if the alarm is currently enabled or disabled.\r
203	\r
204	Pending - Indicates if the alarm signal is pending and requires\r
205	acknowledgement.\r
206	\r
207	Time - The current alarm setting.\r
208	\r
209	Returns:\r
210	\r
211	EFI_SUCEESS - The operation completed successfully.\r
212	\r
213	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
214	\r
215	EFI_UNSUPPORTED - The operation is not supported on this platform.\r
216	\r
217	--*/\r
218	{\r
219	return EFI_UNSUPPORTED;\r
220	}\r
221	\r
222	STATIC\r
223	EFI_STATUS\r
224	EFIAPI\r
225	WinNtSetWakeupTime (\r
226	IN BOOLEAN Enable,\r
227	OUT EFI_TIME *Time\r
228	)\r
229	/*++\r
230	\r
231	Routine Description:\r
232	Service routine for RealTimeClockInstance->SetWakeupTime\r
233	\r
234	Arguments:\r
235	\r
236	Enabled - Enable or disable the wakeup alarm.\r
237	\r
238	Time - If enable is TRUE, the time to set the wakup alarm for.\r
239	If enable is FALSE, then this parameter is optional, and\r
240	may be NULL.\r
241	\r
242	Returns:\r
243	\r
244	EFI_SUCEESS - The operation completed successfully.\r
245	\r
246	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
247	\r
248	EFI_INVALID_PARAMETER - A field in Time is out of range.\r
249	\r
250	EFI_UNSUPPORTED - The operation is not supported on this platform.\r
251	\r
252	--*/\r
253	{\r
254	return EFI_UNSUPPORTED;\r
255	}\r
256	\r
257	EFI_STATUS\r
258	EFIAPI\r
259	InitializeRealTimeClock (\r
260	IN EFI_HANDLE ImageHandle,\r
261	IN EFI_SYSTEM_TABLE *SystemTable\r
262	)\r
263	/*++\r
264	\r
265	Routine Description:\r
266	Install Real Time Clock Protocol \r
267	\r
268	Arguments:\r
269	(Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r
270	\r
271	Returns:\r
272	\r
273	EFI_SUCEESS - Real Time Clock Services are installed into the Runtime Services Table\r
274	\r
275	--*/\r
276	// TODO: ImageHandle - add argument and description to function comment\r
277	// TODO: SystemTable - add argument and description to function comment\r
278	{\r
279	EFI_STATUS Status;\r
280	EFI_HANDLE Handle;\r
281	\r
282	\r
283	SystemTable->RuntimeServices->GetTime = WinNtGetTime;\r
284	SystemTable->RuntimeServices->SetTime = WinNtSetTime;\r
285	SystemTable->RuntimeServices->GetWakeupTime = WinNtGetWakeupTime;\r
286	SystemTable->RuntimeServices->SetWakeupTime = WinNtSetWakeupTime;\r
287	\r
288	Handle = NULL;\r
289	Status = gBS->InstallMultipleProtocolInterfaces (\r
290	&Handle,\r
291	&gEfiRealTimeClockArchProtocolGuid,\r
292	NULL,\r
293	NULL\r
294	);\r
295	return Status;\r
296	}\r
297	\r
298	EFI_STATUS\r
299	RtcTimeFieldsValid (\r
300	IN EFI_TIME *Time\r
301	)\r
302	/*++\r
303	\r
304	Routine Description:\r
305	\r
306	Arguments:\r
307	\r
308	Returns: \r
309	--*/\r
310	// TODO: Time - add argument and description to function comment\r
311	// TODO: EFI_INVALID_PARAMETER - add return value to function comment\r
312	// TODO: EFI_SUCCESS - add return value to function comment\r
313	{\r
314	if (Time->Year < 1998 \|\|\r
315	Time->Year > 2099 \|\|\r
316	Time->Month < 1 \|\|\r
317	Time->Month > 12 \|\|\r
318	(!DayValid (Time)) \|\|\r
319	Time->Hour > 23 \|\|\r
320	Time->Minute > 59 \|\|\r
321	Time->Second > 59 \|\|\r
322	Time->Nanosecond > 999999999 \|\|\r
323	(!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE \|\| (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) \|\|\r
324	(Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT \| EFI_TIME_IN_DAYLIGHT)))\r
325	) {\r
326	return EFI_INVALID_PARAMETER;\r
327	}\r
328	\r
329	return EFI_SUCCESS;\r
330	}\r
331	\r
332	BOOLEAN\r
333	DayValid (\r
334	IN EFI_TIME *Time\r
335	)\r
336	/*++\r
337	\r
338	Routine Description:\r
339	\r
340	TODO: Add function description\r
341	\r
342	Arguments:\r
343	\r
344	Time - TODO: add argument description\r
345	\r
346	Returns:\r
347	\r
348	TODO: add return values\r
349	\r
350	--*/\r
351	{\r
352	\r
353	INTN DayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };\r
354	\r
355	if (Time->Day < 1 \|\|\r
356	Time->Day > DayOfMonth[Time->Month - 1] \|\|\r
357	(Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))\r
358	) {\r
359	return FALSE;\r
360	}\r
361	\r
362	return TRUE;\r
363	}\r
364	\r
365	BOOLEAN\r
366	IsLeapYear (\r
367	IN EFI_TIME *Time\r
368	)\r
369	/*++\r
370	\r
371	Routine Description:\r
372	\r
373	TODO: Add function description\r
374	\r
375	Arguments:\r
376	\r
377	Time - TODO: add argument description\r
378	\r
379	Returns:\r
380	\r
381	TODO: add return values\r
382	\r
383	--*/\r
384	{\r
385	if (Time->Year % 4 == 0) {\r
386	if (Time->Year % 100 == 0) {\r
387	if (Time->Year % 400 == 0) {\r
388	return TRUE;\r
389	} else {\r
390	return FALSE;\r
391	}\r
392	} else {\r
393	return TRUE;\r
394	}\r
395	} else {\r
396	return FALSE;\r
397	}\r
398	}\r