+++ /dev/null
-/*++\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
projects / mirror_edk2.git / blobdiff