[mirror_edk2.git] / EdkNt32Pkg / Dxe / WinNtThunk / Chipset / RealTimeClock / 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
\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
878ddf1f	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
	22	\r
	23	\r
	24	BOOLEAN\r
	25	DayValid (\r
	26	IN EFI_TIME *Time\r
	27	);\r
	28	\r
	29	BOOLEAN\r
	30	IsLeapYear (\r
	31	IN EFI_TIME *Time\r
	32	);\r
	33	\r
	34	EFI_STATUS\r
	35	RtcTimeFieldsValid (\r
	36	IN EFI_TIME *Time\r
	37	);\r
	38	\r
	39	EFI_STATUS\r
	40	EFIAPI\r
	41	InitializeRealTimeClock (\r
	42	IN EFI_HANDLE ImageHandle,\r
	43	IN EFI_SYSTEM_TABLE *SystemTable\r
	44	);\r
	45	\r
	46	STATIC\r
	47	EFI_STATUS\r
	48	EFIAPI\r
	49	WinNtGetTime (\r
	50	OUT EFI_TIME *Time,\r
	51	OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL\r
	52	)\r
	53	/*++\r
	54	\r
	55	Routine Description:\r
	56	Service routine for RealTimeClockInstance->GetTime \r
	57	\r
	58	Arguments:\r
	59	\r
	60	Time - A pointer to storage that will receive a snapshot of the current time.\r
	61	\r
	62	Capabilities - A pointer to storage that will receive the capabilities of the real time clock\r
	63	in the platform. This includes the real time clock's resolution and accuracy. \r
	64	All reported device capabilities are rounded up. This is an OPTIONAL argument.\r
65	\r
66	Returns:\r
67	\r
68	EFI_SUCEESS - The underlying GetSystemTime call occurred and returned\r
69	Note that in the NT32 emulation, the GetSystemTime call has no return value\r
70	thus you will always receive a EFI_SUCCESS on this.\r
71	\r
72	--*/\r
73	// TODO: EFI_INVALID_PARAMETER - add return value to function comment\r
74	{\r
75	SYSTEMTIME SystemTime;\r
76	TIME_ZONE_INFORMATION TimeZone;\r
77	\r
78	//\r
79	// Check parameter for null pointer\r
80	//\r
81	if (Time == NULL) {\r
82	return EFI_INVALID_PARAMETER;\r
83	\r
84	}\r
85	\r
86	gWinNt->GetLocalTime (&SystemTime);\r
87	gWinNt->GetTimeZoneInformation (&TimeZone);\r
88	\r
89	Time->Year = (UINT16) SystemTime.wYear;\r
90	Time->Month = (UINT8) SystemTime.wMonth;\r
91	Time->Day = (UINT8) SystemTime.wDay;\r
92	Time->Hour = (UINT8) SystemTime.wHour;\r
93	Time->Minute = (UINT8) SystemTime.wMinute;\r
94	Time->Second = (UINT8) SystemTime.wSecond;\r
95	Time->Nanosecond = (UINT32) (SystemTime.wMilliseconds * 1000000);\r
96	Time->TimeZone = (INT16) TimeZone.Bias;\r
97	\r
98	if (Capabilities != NULL) {\r
99	Capabilities->Resolution = 1;\r
100	Capabilities->Accuracy = 50000000;\r
101	Capabilities->SetsToZero = FALSE;\r
102	}\r
103	\r
104	Time->Daylight = 0;\r
105	if (TimeZone.StandardDate.wMonth) {\r
106	Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;\r
107	}\r
108	\r
109	return EFI_SUCCESS;\r
110	}\r
111	\r
112	STATIC\r
113	EFI_STATUS\r
114	EFIAPI\r
115	WinNtSetTime (\r
116	IN EFI_TIME *Time\r
117	)\r
118	/*++\r
119	\r
120	Routine Description:\r
121	Service routine for RealTimeClockInstance->SetTime \r
122	\r
123	Arguments:\r
124	\r
125	Time - A pointer to storage containing the time and date information to\r
126	program into the real time clock.\r
127	\r
128	Returns:\r
129	\r
130	EFI_SUCEESS - The operation completed successfully.\r
131	\r
132	EFI_INVALID_PARAMETER - One of the fields in Time is out of range.\r
133	\r
134	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
135	\r
136	--*/\r
137	// TODO: EFI_SUCCESS - add return value to function comment\r
138	{\r
139	TIME_ZONE_INFORMATION TimeZone;\r
140	EFI_STATUS Status;\r
141	SYSTEMTIME SystemTime;\r
142	BOOL Flag;\r
143	\r
144	if (Time == NULL) {\r
145	return EFI_INVALID_PARAMETER;\r
146	}\r
147	//\r
148	// Make sure that the time fields are valid\r
149	//\r
150	Status = RtcTimeFieldsValid (Time);\r
151	if (EFI_ERROR (Status)) {\r
152	return Status;\r
153	}\r
154	//\r
155	// Set Daylight savings time information and Time Zone\r
156	//\r
157	gWinNt->GetTimeZoneInformation (&TimeZone);\r
158	TimeZone.StandardDate.wMonth = Time->Daylight;\r
159	TimeZone.Bias = Time->TimeZone;\r
160	gWinNt->SetTimeZoneInformation (&TimeZone);\r
161	\r
162	SystemTime.wYear = Time->Year;\r
163	SystemTime.wMonth = Time->Month;\r
164	SystemTime.wDay = Time->Day;\r
165	SystemTime.wHour = Time->Hour;\r
166	SystemTime.wMinute = Time->Minute;\r
167	SystemTime.wSecond = Time->Second;\r
168	SystemTime.wMilliseconds = (INT16) (Time->Nanosecond / 1000000);\r
169	\r
170	Flag = gWinNt->SetLocalTime (&SystemTime);\r
171	\r
172	if (!Flag) {\r
173	return EFI_DEVICE_ERROR;\r
174	} else {\r
175	return EFI_SUCCESS;\r
176	}\r
177	}\r
178	\r
179	STATIC\r
180	EFI_STATUS\r
181	EFIAPI\r
182	WinNtGetWakeupTime (\r
183	OUT BOOLEAN *Enabled,\r
184	OUT BOOLEAN *Pending,\r
185	OUT EFI_TIME *Time\r
186	)\r
187	/*++\r
188	\r
189	Routine Description:\r
190	Service routine for RealTimeClockInstance->GetWakeupTime\r
191	\r
192	Arguments:\r
193	This - Indicates the protocol instance structure.\r
194	\r
195	Enabled - Indicates if the alarm is currently enabled or disabled.\r
196	\r
197	Pending - Indicates if the alarm signal is pending and requires\r
198	acknowledgement.\r
199	\r
200	Time - The current alarm setting.\r
201	\r
202	Returns:\r
203	\r
204	EFI_SUCEESS - The operation completed successfully.\r
205	\r
206	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
207	\r
208	EFI_UNSUPPORTED - The operation is not supported on this platform.\r
209	\r
210	--*/\r
211	{\r
212	return EFI_UNSUPPORTED;\r
213	}\r
214	\r
215	STATIC\r
216	EFI_STATUS\r
217	EFIAPI\r
218	WinNtSetWakeupTime (\r
219	IN BOOLEAN Enable,\r
220	OUT EFI_TIME *Time\r
221	)\r
222	/*++\r
223	\r
224	Routine Description:\r
225	Service routine for RealTimeClockInstance->SetWakeupTime\r
226	\r
227	Arguments:\r
228	\r
229	Enabled - Enable or disable the wakeup alarm.\r
230	\r
231	Time - If enable is TRUE, the time to set the wakup alarm for.\r
232	If enable is FALSE, then this parameter is optional, and\r
233	may be NULL.\r
234	\r
235	Returns:\r
236	\r
237	EFI_SUCEESS - The operation completed successfully.\r
238	\r
239	EFI_DEVICE_ERROR - The operation could not be complete due to a device error.\r
240	\r
241	EFI_INVALID_PARAMETER - A field in Time is out of range.\r
242	\r
243	EFI_UNSUPPORTED - The operation is not supported on this platform.\r
244	\r
245	--*/\r
246	{\r
247	return EFI_UNSUPPORTED;\r
248	}\r
249	\r
250	EFI_STATUS\r
251	EFIAPI\r
252	InitializeRealTimeClock (\r
253	IN EFI_HANDLE ImageHandle,\r
254	IN EFI_SYSTEM_TABLE *SystemTable\r
255	)\r
256	/*++\r
257	\r
258	Routine Description:\r
259	Install Real Time Clock Protocol \r
260	\r
261	Arguments:\r
262	(Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r
263	\r
264	Returns:\r
265	\r
266	EFI_SUCEESS - Real Time Clock Services are installed into the Runtime Services Table\r
267	\r
268	--*/\r
269	// TODO: ImageHandle - add argument and description to function comment\r
270	// TODO: SystemTable - add argument and description to function comment\r
271	{\r
272	EFI_STATUS Status;\r
273	EFI_HANDLE Handle;\r
274	\r
275	\r
276	SystemTable->RuntimeServices->GetTime = WinNtGetTime;\r
277	SystemTable->RuntimeServices->SetTime = WinNtSetTime;\r
278	SystemTable->RuntimeServices->GetWakeupTime = WinNtGetWakeupTime;\r
279	SystemTable->RuntimeServices->SetWakeupTime = WinNtSetWakeupTime;\r
280	\r
281	Handle = NULL;\r
282	Status = gBS->InstallMultipleProtocolInterfaces (\r
283	&Handle,\r
284	&gEfiRealTimeClockArchProtocolGuid,\r
285	NULL,\r
286	NULL\r
287	);\r
288	return Status;\r
289	}\r
290	\r
291	EFI_STATUS\r
292	RtcTimeFieldsValid (\r
293	IN EFI_TIME *Time\r
294	)\r
295	/*++\r
296	\r
297	Routine Description:\r
298	\r
299	Arguments:\r
300	\r
301	Returns: \r
302	--*/\r
303	// TODO: Time - add argument and description to function comment\r
304	// TODO: EFI_INVALID_PARAMETER - add return value to function comment\r
305	// TODO: EFI_SUCCESS - add return value to function comment\r
306	{\r
307	if (Time->Year < 1998 \|\|\r
308	Time->Year > 2099 \|\|\r
309	Time->Month < 1 \|\|\r
310	Time->Month > 12 \|\|\r
311	(!DayValid (Time)) \|\|\r
312	Time->Hour > 23 \|\|\r
313	Time->Minute > 59 \|\|\r
314	Time->Second > 59 \|\|\r
315	Time->Nanosecond > 999999999 \|\|\r
316	(!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE \|\| (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) \|\|\r
317	(Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT \| EFI_TIME_IN_DAYLIGHT)))\r
318	) {\r
319	return EFI_INVALID_PARAMETER;\r
320	}\r
321	\r
322	return EFI_SUCCESS;\r
323	}\r
324	\r
325	BOOLEAN\r
326	DayValid (\r
327	IN EFI_TIME *Time\r
328	)\r
329	/*++\r
330	\r
331	Routine Description:\r
332	\r
333	TODO: Add function description\r
334	\r
335	Arguments:\r
336	\r
337	Time - TODO: add argument description\r
338	\r
339	Returns:\r
340	\r
341	TODO: add return values\r
342	\r
343	--*/\r
344	{\r
345	\r
346	INTN DayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };\r
347	\r
348	if (Time->Day < 1 \|\|\r
349	Time->Day > DayOfMonth[Time->Month - 1] \|\|\r
350	(Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))\r
351	) {\r
352	return FALSE;\r
353	}\r
354	\r
355	return TRUE;\r
356	}\r
357	\r
358	BOOLEAN\r
359	IsLeapYear (\r
360	IN EFI_TIME *Time\r
361	)\r
362	/*++\r
363	\r
364	Routine Description:\r
365	\r
366	TODO: Add function description\r
367	\r
368	Arguments:\r
369	\r
370	Time - TODO: add argument description\r
371	\r
372	Returns:\r
373	\r
374	TODO: add return values\r
375	\r
376	--*/\r
377	{\r
378	if (Time->Year % 4 == 0) {\r
379	if (Time->Year % 100 == 0) {\r
380	if (Time->Year % 400 == 0) {\r
381	return TRUE;\r
382	} else {\r
383	return FALSE;\r
384	}\r
385	} else {\r
386	return TRUE;\r
387	}\r
388	} else {\r
389	return FALSE;\r
390	}\r
391	}\r