diff options
Diffstat (limited to 'MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c')
| -rw-r--r-- | MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c | 152 |
1 files changed, 72 insertions, 80 deletions
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c index 638d54d3cf..ce3fa90492 100644 --- a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c @@ -1,7 +1,7 @@ /** @file
Provides Set/Get time operations.
-Copyright (c) 2006 - 2007, Intel Corporation
+Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -16,56 +16,66 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. PC_RTC_MODULE_GLOBALS mModuleGlobal;
-EFI_STATUS
-EFIAPI
-PcRtcEfiGetTime (
- OUT EFI_TIME *Time,
- OUT EFI_TIME_CAPABILITIES *Capabilities
- )
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
+EFI_HANDLE mHandle = NULL;
-Arguments:
- Time - GC_TODO: add argument description
- Capabilities - GC_TODO: add argument description
+/**
+ Returns the current time and date information, and the time-keeping capabilities
+ of the hardware platform.
-Returns:
+ @param Time A pointer to storage to receive a snapshot of the current time.
+ @param Capabilities An optional pointer to a buffer to receive the real time
+ clock device's capabilities.
- GC_TODO: add return values
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_INVALID_PARAMETER Time is NULL.
+ @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
---*/
+**/
+EFI_STATUS
+EFIAPI
+PcRtcEfiGetTime (
+ OUT EFI_TIME *Time,
+ OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL
+ )
{
return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
}
+/**
+ Sets the current local time and date information.
+
+ @param Time A pointer to the current time.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_INVALID_PARAMETER A time field is out of range.
+ @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
+
+**/
EFI_STATUS
EFIAPI
PcRtcEfiSetTime (
IN EFI_TIME *Time
)
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
-
- Time - GC_TODO: add argument description
-
-Returns:
-
- GC_TODO: add return values
-
---*/
{
return PcRtcSetTime (Time, &mModuleGlobal);
}
+/**
+ Returns the current wakeup alarm clock setting.
+
+ @param Enabled Indicates if the alarm is currently enabled or disabled.
+ @param Pending Indicates if the alarm signal is pending and requires acknowledgement.
+ @param Time The current alarm setting.
+
+ @retval EFI_SUCCESS The alarm settings were returned.
+ @retval EFI_INVALID_PARAMETER Enabled is NULL.
+ @retval EFI_INVALID_PARAMETER Pending is NULL.
+ @retval EFI_INVALID_PARAMETER Time is NULL.
+ @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
+
+**/
EFI_STATUS
EFIAPI
PcRtcEfiGetWakeupTime (
@@ -73,74 +83,56 @@ PcRtcEfiGetWakeupTime ( OUT BOOLEAN *Pending,
OUT EFI_TIME *Time
)
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
+{
+ return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
+}
- Enabled - GC_TODO: add argument description
- Pending - GC_TODO: add argument description
- Time - GC_TODO: add argument description
-Returns:
+/**
+ Sets the system wakeup alarm clock time.
- GC_TODO: add return values
+ @param Enabled Enable or disable the wakeup alarm.
+ @param Time If Enable is TRUE, the time to set the wakeup alarm for.
+ If Enable is FALSE, then this parameter is optional, and may be NULL.
---*/
-{
- return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
-}
+ @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled.
+ If Enable is FALSE, then the wakeup alarm was disabled.
+ @retval EFI_INVALID_PARAMETER A time field is out of range.
+ @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.
+ @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
+**/
EFI_STATUS
EFIAPI
PcRtcEfiSetWakeupTime (
IN BOOLEAN Enabled,
- OUT EFI_TIME *Time
+ IN EFI_TIME *Time OPTIONAL
)
-/*++
-
-Routine Description:
-
- GC_TODO: Add function description
-
-Arguments:
+{
+ return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
+}
- Enabled - GC_TODO: add argument description
- Time - GC_TODO: add argument description
+/**
+ The user Entry Point for PcRTC module.
-Returns:
+ This is the entrhy point for PcRTC module. It installs the UEFI runtime service
+ including GetTime(),SetTime(),GetWakeupTime(),and SetWakeupTime().
- GC_TODO: add return values
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
---*/
-{
- return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
-}
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval Others Some error occurs when executing this entry point.
+**/
EFI_STATUS
EFIAPI
InitializePcRtc (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
-/*++
-
-Routine Description:
-
- Arguments:
-
-
-
-Returns:
---*/
-// GC_TODO: ImageHandle - add argument and description to function comment
-// GC_TODO: SystemTable - add argument and description to function comment
{
EFI_STATUS Status;
- EFI_HANDLE NewHandle;
EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL);
@@ -154,13 +146,13 @@ Returns: gRT->GetWakeupTime = PcRtcEfiGetWakeupTime;
gRT->SetWakeupTime = PcRtcEfiSetWakeupTime;
- NewHandle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
- &NewHandle,
+ &mHandle,
&gEfiRealTimeClockArchProtocolGuid,
NULL,
NULL
);
+ ASSERT_EFI_ERROR (Status);
return Status;
}
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