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/*++
Copyright (c) 2005, 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
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
IpfPcRtc.c
Abstract:
Register the extended SAL infrastructure.
Make the EFI RT APIs call extended SAL calls via the RT lib wrappers.
We can not do this on IA-32 as RT lib wrappers call via rRT.
--*/
#include "RealTimeClock.h"
//
// Don't use directly after virtual address have been registered.
//
PC_RTC_MODULE_GLOBALS mModuleGlobal;
SAL_RETURN_REGS
PcRtcEsalServicesClassCommonEntry (
IN UINT64 FunctionId,
IN UINT64 Arg2,
IN UINT64 Arg3,
IN UINT64 Arg4,
IN UINT64 Arg5,
IN UINT64 Arg6,
IN UINT64 Arg7,
IN UINT64 Arg8,
IN SAL_EXTENDED_SAL_PROC ExtendedSalProc,
IN BOOLEAN VirtualMode,
IN PC_RTC_MODULE_GLOBALS *Global
)
/*++
Routine Description:
Main entry for Extended SAL Reset Services
Arguments:
FunctionId Function Id which needed to be called.
Arg2 EFI_RESET_TYPE, whether WARM of COLD reset
Arg3 Last EFI_STATUS
Arg4 Data Size of UNICODE STRING passed in ARG5
Arg5 Unicode String which CHAR16*
Returns:
SAL_RETURN_REGS
--*/
// TODO: Arg6 - add argument and description to function comment
// TODO: Arg7 - add argument and description to function comment
// TODO: Arg8 - add argument and description to function comment
// TODO: ExtendedSalProc - add argument and description to function comment
// TODO: VirtualMode - add argument and description to function comment
// TODO: Global - add argument and description to function comment
{
EFI_STATUS EfiStatus;
SAL_RETURN_REGS ReturnVal;
switch (FunctionId) {
case GetTime:
EfiStatus = PcRtcGetTime ((EFI_TIME *) Arg2, (EFI_TIME_CAPABILITIES *) Arg3, Global);
break;
case SetTime:
EfiStatus = PcRtcSetTime ((EFI_TIME *) Arg2, Global);
break;
case GetWakeupTime:
EfiStatus = PcRtcGetWakeupTime ((BOOLEAN *) Arg2, (BOOLEAN *) Arg3, (EFI_TIME *) Arg4, Global);
break;
case SetWakeupTime:
EfiStatus = PcRtcSetWakeupTime ((BOOLEAN) Arg2, (EFI_TIME *) Arg3, Global);
break;
case InitializeThreshold:
EfiStatus = EFI_SAL_NOT_IMPLEMENTED;
break;
case BumpThresholdCount:
EfiStatus = EFI_SAL_NOT_IMPLEMENTED;
break;
case GetThresholdCount:
EfiStatus = EFI_SAL_NOT_IMPLEMENTED;
break;
case GetRtcFreq:
EfiStatus = EFI_SAL_NOT_IMPLEMENTED;
break;
default:
EfiStatus = EFI_SAL_INVALID_ARGUMENT;
break;;
}
ReturnVal.Status = EfiStatus;
return ReturnVal;
}
EFI_STATUS
EFIAPI
InitializePcRtc (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Arguments:
Returns:
--*/
// TODO: ImageHandle - add argument and description to function comment
// TODO: SystemTable - add argument and description to function comment
// TODO: EFI_SUCCESS - add return value to function comment
{
EFI_TIME Time;
EFI_TIME_CAPABILITIES Capabilities;
EFI_STATUS EfiStatus;
EfiInitializeRuntimeDriverLib (ImageHandle, SystemTable, NULL);
EfiInitializeLock (&mModuleGlobal.RtcLock, EFI_TPL_HIGH_LEVEL);
EfiStatus = PcRtcInit (&mModuleGlobal);
if (EFI_ERROR (EfiStatus)) {
return EfiStatus;
}
RegisterEsalClass (
&gEfiExtendedSalRtcServicesProtocolGuid,
&mModuleGlobal,
PcRtcEsalServicesClassCommonEntry,
GetTime,
PcRtcEsalServicesClassCommonEntry,
SetTime,
PcRtcEsalServicesClassCommonEntry,
GetWakeupTime,
PcRtcEsalServicesClassCommonEntry,
SetWakeupTime,
PcRtcEsalServicesClassCommonEntry,
GetRtcFreq,
PcRtcEsalServicesClassCommonEntry,
InitializeThreshold,
PcRtcEsalServicesClassCommonEntry,
BumpThresholdCount,
PcRtcEsalServicesClassCommonEntry,
GetThresholdCount,
NULL
);
//
// the following code is to initialize the RTC fields in case the values read
// back from CMOS are invalid at the first time.
//
EfiStatus = PcRtcGetTime (&Time, &Capabilities, &mModuleGlobal);
if (EFI_ERROR (EfiStatus)) {
Time.Second = RTC_INIT_SECOND;
Time.Minute = RTC_INIT_MINUTE;
Time.Hour = RTC_INIT_HOUR;
Time.Day = RTC_INIT_DAY;
Time.Month = RTC_INIT_MONTH;
Time.Year = RTC_INIT_YEAR;
PcRtcSetTime (&Time, &mModuleGlobal);
}
return EFI_SUCCESS;
}
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