diff options
| author | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-19 10:26:16 +0000 |
|---|---|---|
| committer | yshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-19 10:26:16 +0000 |
| commit | 8cd4d17c68652442f440a52549aa6231da412381 (patch) | |
| tree | 560b2937f0f94a88f0b5215fdcf3f02c72f6d995 | |
| parent | 56621f4d0e820ff3a609c708b55dcbe4a31ee379 (diff) | |
| download | edk2-8cd4d17c68652442f440a52549aa6231da412381.zip edk2-8cd4d17c68652442f440a52549aa6231da412381.tar.gz edk2-8cd4d17c68652442f440a52549aa6231da412381.tar.bz2 | |
Move RealTimeClockRuntimeDxe to PcatRealTimeClockRuntimeDxe folder of MdeModulePkg.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3372 6f19259b-4bc3-4df7-8a09-765794883524
6 files changed, 1943 insertions, 1 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc index 46221b7..74f4322 100644 --- a/MdeModulePkg/MdeModulePkg.dsc +++ b/MdeModulePkg/MdeModulePkg.dsc @@ -437,7 +437,7 @@ $(WORKSPACE)/MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
$(WORKSPACE)/MdeModulePkg/Universal/EbcDxe/EbcDxe.inf
$(WORKSPACE)/MdeModulePkg/Universal/DebugSupportDxe/DebugSupportDxe.inf
- $(WORKSPACE)/MdeModulePkg/Universal/PcatCompatible/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
+ $(WORKSPACE)/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
[Components.X64]
$(WORKSPACE)/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c new file mode 100644 index 0000000..f0b1640 --- /dev/null +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/Ia32/Ia32PcRtc.c @@ -0,0 +1,173 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation. All rights reserved. <BR>
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+
+Module Name:
+
+ Ia32PcRtc.c
+
+Abstract:
+
+--*/
+
+#include "PcRtc.h"
+
+static 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
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+ Capabilities - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
+}
+
+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);
+}
+
+EFI_STATUS
+EFIAPI
+PcRtcEfiGetWakeupTime (
+ OUT BOOLEAN *Enabled,
+ OUT BOOLEAN *Pending,
+ OUT EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Enabled - GC_TODO: add argument description
+ Pending - GC_TODO: add argument description
+ Time - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
+}
+
+EFI_STATUS
+EFIAPI
+PcRtcEfiSetWakeupTime (
+ IN BOOLEAN Enabled,
+ OUT EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Enabled - GC_TODO: add argument description
+ Time - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
+}
+
+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);
+
+ Status = PcRtcInit (&mModuleGlobal);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ gRT->GetTime = PcRtcEfiGetTime;
+ gRT->SetTime = PcRtcEfiSetTime;
+ gRT->GetWakeupTime = PcRtcEfiGetWakeupTime;
+ gRT->SetWakeupTime = PcRtcEfiSetWakeupTime;
+
+ NewHandle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &NewHandle,
+ &gEfiRealTimeClockArchProtocolGuid,
+ NULL,
+ NULL
+ );
+
+ return Status;
+}
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c new file mode 100644 index 0000000..a58aee5 --- /dev/null +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.c @@ -0,0 +1,1071 @@ +/*++
+
+Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved. <BR>
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+
+Module Name:
+
+ PcRtc.c
+
+Abstract:
+
+ RTC Architectural Protocol GUID as defined in DxeCis 0.96
+
+--*/
+
+#include "PcRtc.h"
+
+STATIC
+INTN
+CompareHMS (
+ IN EFI_TIME *From,
+ IN EFI_TIME *To
+ );
+
+STATIC
+BOOLEAN
+IsWithinOneDay (
+ IN EFI_TIME *From,
+ IN EFI_TIME *To
+ );
+
+STATIC
+UINT8
+RtcRead (
+ IN UINT8 Address
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Address - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80)));
+ return IoRead8 (PCAT_RTC_DATA_REGISTER);
+}
+
+STATIC
+VOID
+RtcWrite (
+ IN UINT8 Address,
+ IN UINT8 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Address - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80)));
+ IoWrite8 (PCAT_RTC_DATA_REGISTER, Data);
+}
+
+EFI_STATUS
+PcRtcInit (
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ EFI_DEVICE_ERROR - GC_TODO: Add description for return value
+ EFI_SUCCESS - GC_TODO: Add description for return value
+
+--*/
+{
+ EFI_STATUS Status;
+ RTC_REGISTER_A RegisterA;
+ RTC_REGISTER_B RegisterB;
+ RTC_REGISTER_D RegisterD;
+ UINT8 Century;
+ EFI_TIME Time;
+
+ //
+ // Acquire RTC Lock to make access to RTC atomic
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiAcquireLock (&Global->RtcLock);
+ }
+ //
+ // Initialize RTC Register
+ //
+ // Make sure Division Chain is properly configured,
+ // or RTC clock won't "tick" -- time won't increment
+ //
+ RegisterA.Data = RTC_INIT_REGISTER_A;
+ RtcWrite (RTC_ADDRESS_REGISTER_A, RegisterA.Data);
+
+ //
+ // Read Register B
+ //
+ RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
+
+ //
+ // Clear RTC flag register
+ //
+ RtcRead (RTC_ADDRESS_REGISTER_C);
+
+ //
+ // Clear RTC register D
+ //
+ RegisterD.Data = RTC_INIT_REGISTER_D;
+ RtcWrite (RTC_ADDRESS_REGISTER_D, RegisterD.Data);
+
+ //
+ // Wait for up to 0.1 seconds for the RTC to be updated
+ //
+ Status = RtcWaitToUpdate (100000);
+ if (EFI_ERROR (Status)) {
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Get the Time/Date/Daylight Savings values.
+ //
+ Time.Second = RtcRead (RTC_ADDRESS_SECONDS);
+ Time.Minute = RtcRead (RTC_ADDRESS_MINUTES);
+ Time.Hour = RtcRead (RTC_ADDRESS_HOURS);
+ Time.Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
+ Time.Month = RtcRead (RTC_ADDRESS_MONTH);
+ Time.Year = RtcRead (RTC_ADDRESS_YEAR);
+
+ ConvertRtcTimeToEfiTime (&Time, RegisterB);
+
+ if (RtcTestCenturyRegister () == EFI_SUCCESS) {
+ Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
+ } else {
+ Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
+ }
+
+ Time.Year = (UINT16) (Century * 100 + Time.Year);
+
+ //
+ // Set RTC configuration after get original time
+ //
+ RtcWrite (RTC_ADDRESS_REGISTER_B, RTC_INIT_REGISTER_B);
+
+ //
+ // Release RTC Lock.
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ //
+ // Validate time fields
+ //
+ Status = RtcTimeFieldsValid (&Time);
+ if (EFI_ERROR (Status)) {
+ 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;
+ }
+ //
+ // Reset time value according to new RTC configuration
+ //
+ PcRtcSetTime (&Time, Global);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PcRtcGetTime (
+ OUT EFI_TIME *Time,
+ IN EFI_TIME_CAPABILITIES *Capabilities,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+ Returns:
+--*/
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: Capabilities - add argument and description to function comment
+// GC_TODO: Global - add argument and description to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ EFI_STATUS Status;
+ RTC_REGISTER_B RegisterB;
+ UINT8 Century;
+
+ //
+ // Check parameters for null pointer
+ //
+ if (Time == NULL) {
+ return EFI_INVALID_PARAMETER;
+
+ }
+ //
+ // Acquire RTC Lock to make access to RTC atomic
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiAcquireLock (&Global->RtcLock);
+ }
+ //
+ // Wait for up to 0.1 seconds for the RTC to be updated
+ //
+ Status = RtcWaitToUpdate (100000);
+ if (EFI_ERROR (Status)) {
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return Status;
+ }
+ //
+ // Read Register B
+ //
+ RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
+
+ //
+ // Get the Time/Date/Daylight Savings values.
+ //
+ Time->Second = RtcRead (RTC_ADDRESS_SECONDS);
+ Time->Minute = RtcRead (RTC_ADDRESS_MINUTES);
+ Time->Hour = RtcRead (RTC_ADDRESS_HOURS);
+ Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
+ Time->Month = RtcRead (RTC_ADDRESS_MONTH);
+ Time->Year = RtcRead (RTC_ADDRESS_YEAR);
+
+ ConvertRtcTimeToEfiTime (Time, RegisterB);
+
+ if (RtcTestCenturyRegister () == EFI_SUCCESS) {
+ Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
+ } else {
+ Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
+ }
+
+ Time->Year = (UINT16) (Century * 100 + Time->Year);
+
+ //
+ // Release RTC Lock.
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ //
+ // Get the variable that containts the TimeZone and Daylight fields
+ //
+ Time->TimeZone = Global->SavedTimeZone;
+ Time->Daylight = Global->Daylight;
+
+ //
+ // Make sure all field values are in correct range
+ //
+ Status = RtcTimeFieldsValid (Time);
+ if (EFI_ERROR (Status)) {
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Fill in Capabilities if it was passed in
+ //
+ if (Capabilities) {
+ Capabilities->Resolution = 1;
+ //
+ // 1 hertz
+ //
+ Capabilities->Accuracy = 50000000;
+ //
+ // 50 ppm
+ //
+ Capabilities->SetsToZero = FALSE;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PcRtcSetTime (
+ IN EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+ Returns:
+--*/
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: Global - add argument and description to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+{
+ EFI_STATUS Status;
+ EFI_TIME RtcTime;
+ RTC_REGISTER_B RegisterB;
+ UINT8 Century;
+
+ if (Time == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Make sure that the time fields are valid
+ //
+ Status = RtcTimeFieldsValid (Time);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ CopyMem (&RtcTime, Time, sizeof (EFI_TIME));
+
+ //
+ // Acquire RTC Lock to make access to RTC atomic
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiAcquireLock (&Global->RtcLock);
+ }
+ //
+ // Wait for up to 0.1 seconds for the RTC to be updated
+ //
+ Status = RtcWaitToUpdate (100000);
+ if (EFI_ERROR (Status)) {
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return Status;
+ }
+ //
+ // Read Register B, and inhibit updates of the RTC
+ //
+ RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
+ RegisterB.Bits.SET = 1;
+ RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
+
+ ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century);
+
+ RtcWrite (RTC_ADDRESS_SECONDS, RtcTime.Second);
+ RtcWrite (RTC_ADDRESS_MINUTES, RtcTime.Minute);
+ RtcWrite (RTC_ADDRESS_HOURS, RtcTime.Hour);
+ RtcWrite (RTC_ADDRESS_DAY_OF_THE_MONTH, RtcTime.Day);
+ RtcWrite (RTC_ADDRESS_MONTH, RtcTime.Month);
+ RtcWrite (RTC_ADDRESS_YEAR, (UINT8) RtcTime.Year);
+ if (RtcTestCenturyRegister () == EFI_SUCCESS) {
+ Century = (UINT8) ((Century & 0x7f) | (RtcRead (RTC_ADDRESS_CENTURY) & 0x80));
+ }
+
+ RtcWrite (RTC_ADDRESS_CENTURY, Century);
+
+ //
+ // Allow updates of the RTC registers
+ //
+ RegisterB.Bits.SET = 0;
+ RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
+
+ //
+ // Release RTC Lock.
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ //
+ // Set the variable that containts the TimeZone and Daylight fields
+ //
+ Global->SavedTimeZone = Time->TimeZone;
+ Global->Daylight = Time->Daylight;
+ return Status;
+}
+
+EFI_STATUS
+PcRtcGetWakeupTime (
+ OUT BOOLEAN *Enabled,
+ OUT BOOLEAN *Pending,
+ OUT EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+
+Returns:
+--*/
+// GC_TODO: Enabled - add argument and description to function comment
+// GC_TODO: Pending - add argument and description to function comment
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: Global - add argument and description to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ EFI_STATUS Status;
+ RTC_REGISTER_B RegisterB;
+ RTC_REGISTER_C RegisterC;
+ UINT8 Century;
+
+ //
+ // Check paramters for null pointers
+ //
+ if ((Enabled == NULL) || (Pending == NULL) || (Time == NULL)) {
+ return EFI_INVALID_PARAMETER;
+
+ }
+ //
+ // Acquire RTC Lock to make access to RTC atomic
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiAcquireLock (&Global->RtcLock);
+ }
+ //
+ // Wait for up to 0.1 seconds for the RTC to be updated
+ //
+ Status = RtcWaitToUpdate (100000);
+ if (EFI_ERROR (Status)) {
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Read Register B and Register C
+ //
+ RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
+ RegisterC.Data = RtcRead (RTC_ADDRESS_REGISTER_C);
+
+ //
+ // Get the Time/Date/Daylight Savings values.
+ //
+ *Enabled = RegisterB.Bits.AIE;
+ if (*Enabled) {
+ Time->Second = RtcRead (RTC_ADDRESS_SECONDS_ALARM);
+ Time->Minute = RtcRead (RTC_ADDRESS_MINUTES_ALARM);
+ Time->Hour = RtcRead (RTC_ADDRESS_HOURS_ALARM);
+ Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
+ Time->Month = RtcRead (RTC_ADDRESS_MONTH);
+ Time->Year = RtcRead (RTC_ADDRESS_YEAR);
+ } else {
+ Time->Second = 0;
+ Time->Minute = 0;
+ Time->Hour = 0;
+ Time->Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
+ Time->Month = RtcRead (RTC_ADDRESS_MONTH);
+ Time->Year = RtcRead (RTC_ADDRESS_YEAR);
+ }
+
+ ConvertRtcTimeToEfiTime (Time, RegisterB);
+
+ if (RtcTestCenturyRegister () == EFI_SUCCESS) {
+ Century = BcdToDecimal8 ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f));
+ } else {
+ Century = BcdToDecimal8 (RtcRead (RTC_ADDRESS_CENTURY));
+ }
+
+ Time->Year = (UINT16) (Century * 100 + Time->Year);
+
+ //
+ // Release RTC Lock.
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ //
+ // Make sure all field values are in correct range
+ //
+ Status = RtcTimeFieldsValid (Time);
+ if (EFI_ERROR (Status)) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ *Pending = RegisterC.Bits.AF;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PcRtcSetWakeupTime (
+ IN BOOLEAN Enable,
+ OUT EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+
+Returns:
+--*/
+// GC_TODO: Enable - add argument and description to function comment
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: Global - add argument and description to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+// GC_TODO: EFI_UNSUPPORTED - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ EFI_STATUS Status;
+ EFI_TIME RtcTime;
+ RTC_REGISTER_B RegisterB;
+ UINT8 Century;
+ EFI_TIME_CAPABILITIES Capabilities;
+
+ if (Enable) {
+
+ if (Time == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Make sure that the time fields are valid
+ //
+ Status = RtcTimeFieldsValid (Time);
+ if (EFI_ERROR (Status)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Just support set alarm time within 24 hours
+ //
+ PcRtcGetTime (&RtcTime, &Capabilities, Global);
+ if (!IsWithinOneDay (&RtcTime, Time)) {
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Make a local copy of the time and date
+ //
+ CopyMem (&RtcTime, Time, sizeof (EFI_TIME));
+
+ }
+ //
+ // Acquire RTC Lock to make access to RTC atomic
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiAcquireLock or
+ // provide a new instance for EfiAcquireLock, say, RtEfiAcquireLock
+ if (!EfiAtRuntime ()) {
+ EfiAcquireLock (&Global->RtcLock);
+ }
+ //
+ // Wait for up to 0.1 seconds for the RTC to be updated
+ //
+ Status = RtcWaitToUpdate (100000);
+ if (EFI_ERROR (Status)) {
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Read Register B, and inhibit updates of the RTC
+ //
+ RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
+
+ RegisterB.Bits.SET = 1;
+ RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
+
+ if (Enable) {
+ ConvertEfiTimeToRtcTime (&RtcTime, RegisterB, &Century);
+
+ //
+ // Set RTC alarm time
+ //
+ RtcWrite (RTC_ADDRESS_SECONDS_ALARM, RtcTime.Second);
+ RtcWrite (RTC_ADDRESS_MINUTES_ALARM, RtcTime.Minute);
+ RtcWrite (RTC_ADDRESS_HOURS_ALARM, RtcTime.Hour);
+
+ RegisterB.Bits.AIE = 1;
+
+ } else {
+ RegisterB.Bits.AIE = 0;
+ }
+ //
+ // Allow updates of the RTC registers
+ //
+ RegisterB.Bits.SET = 0;
+ RtcWrite (RTC_ADDRESS_REGISTER_B, RegisterB.Data);
+
+ //
+ // Release RTC Lock.
+ //
+ //BugBug: the EfiAtRuntime should be encapsulated in EfiReleaseLock or
+ // provide a new instance for EfiReleaseLock, say, RtEfiReleaseLock
+ if (!EfiAtRuntime ()) {
+ EfiReleaseLock (&Global->RtcLock);
+ }
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+RtcTestCenturyRegister (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+
+Returns:
+--*/
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+{
+ UINT8 Century;
+ UINT8 Temp;
+
+ Century = RtcRead (RTC_ADDRESS_CENTURY);
+ //
+ // RtcWrite (RTC_ADDRESS_CENTURY, 0x00);
+ //
+ Temp = (UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f);
+ RtcWrite (RTC_ADDRESS_CENTURY, Century);
+ if (Temp == 0x19 || Temp == 0x20) {
+ return EFI_SUCCESS;
+ }
+
+ return EFI_DEVICE_ERROR;
+}
+
+VOID
+ConvertRtcTimeToEfiTime (
+ IN EFI_TIME *Time,
+ IN RTC_REGISTER_B RegisterB
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+
+Returns:
+--*/
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: RegisterB - add argument and description to function comment
+{
+ BOOLEAN PM;
+
+ if ((Time->Hour) & 0x80) {
+ PM = TRUE;
+ } else {
+ PM = FALSE;
+ }
+
+ Time->Hour = (UINT8) (Time->Hour & 0x7f);
+
+ if (RegisterB.Bits.DM == 0) {
+ Time->Year = BcdToDecimal8 ((UINT8) Time->Year);
+ Time->Month = BcdToDecimal8 (Time->Month);
+ Time->Day = BcdToDecimal8 (Time->Day);
+ Time->Hour = BcdToDecimal8 (Time->Hour);
+ Time->Minute = BcdToDecimal8 (Time->Minute);
+ Time->Second = BcdToDecimal8 (Time->Second);
+ }
+ //
+ // If time is in 12 hour format, convert it to 24 hour format
+ //
+ if (RegisterB.Bits.MIL == 0) {
+ if (PM && Time->Hour < 12) {
+ Time->Hour = (UINT8) (Time->Hour + 12);
+ }
+
+ if (!PM && Time->Hour == 12) {
+ Time->Hour = 0;
+ }
+ }
+
+ Time->Nanosecond = 0;
+ Time->TimeZone = EFI_UNSPECIFIED_TIMEZONE;
+ Time->Daylight = 0;
+}
+
+EFI_STATUS
+RtcWaitToUpdate (
+ UINTN Timeout
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+Returns:
+--*/
+// GC_TODO: Timeout - add argument and description to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ RTC_REGISTER_A RegisterA;
+ RTC_REGISTER_D RegisterD;
+
+ //
+ // See if the RTC is functioning correctly
+ //
+ RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D);
+
+ if (RegisterD.Bits.VRT == 0) {
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Wait for up to 0.1 seconds for the RTC to be ready.
+ //
+ Timeout = (Timeout / 10) + 1;
+ RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
+ while (RegisterA.Bits.UIP == 1 && Timeout > 0) {
+ MicroSecondDelay (10);
+ RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
+ Timeout--;
+ }
+
+ RegisterD.Data = RtcRead (RTC_ADDRESS_REGISTER_D);
+ if (Timeout == 0 || RegisterD.Bits.VRT == 0) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+RtcTimeFieldsValid (
+ IN EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+ Returns:
+--*/
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
+// GC_TODO: EFI_SUCCESS - add return value to function comment
+{
+ if (Time->Year < 1998 ||
+ Time->Year > 2099 ||
+ Time->Month < 1 ||
+ Time->Month > 12 ||
+ (!DayValid (Time)) ||
+ Time->Hour > 23 ||
+ Time->Minute > 59 ||
+ Time->Second > 59 ||
+ Time->Nanosecond > 999999999 ||
+ (!(Time->TimeZone == EFI_UNSPECIFIED_TIMEZONE || (Time->TimeZone >= -1440 && Time->TimeZone <= 1440))) ||
+ (Time->Daylight & (~(EFI_TIME_ADJUST_DAYLIGHT | EFI_TIME_IN_DAYLIGHT)))
+ ) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return EFI_SUCCESS;
+}
+
+BOOLEAN
+DayValid (
+ IN EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ INTN DayOfMonth[12];
+
+ DayOfMonth[0] = 31;
+ DayOfMonth[1] = 29;
+ DayOfMonth[2] = 31;
+ DayOfMonth[3] = 30;
+ DayOfMonth[4] = 31;
+ DayOfMonth[5] = 30;
+ DayOfMonth[6] = 31;
+ DayOfMonth[7] = 31;
+ DayOfMonth[8] = 30;
+ DayOfMonth[9] = 31;
+ DayOfMonth[10] = 30;
+ DayOfMonth[11] = 31;
+
+ if (Time->Day < 1 ||
+ Time->Day > DayOfMonth[Time->Month - 1] ||
+ (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))
+ ) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+BOOLEAN
+IsLeapYear (
+ IN EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ if (Time->Year % 4 == 0) {
+ if (Time->Year % 100 == 0) {
+ if (Time->Year % 400 == 0) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+ } else {
+ return TRUE;
+ }
+ } else {
+ return FALSE;
+ }
+}
+
+VOID
+ConvertEfiTimeToRtcTime (
+ IN EFI_TIME *Time,
+ IN RTC_REGISTER_B RegisterB,
+ IN UINT8 *Century
+ )
+/*++
+
+Routine Description:
+
+ Arguments:
+
+
+Returns:
+--*/
+// GC_TODO: Time - add argument and description to function comment
+// GC_TODO: RegisterB - add argument and description to function comment
+// GC_TODO: Century - add argument and description to function comment
+{
+ BOOLEAN PM;
+
+ PM = TRUE;
+ //
+ // Adjust hour field if RTC in in 12 hour mode
+ //
+ if (RegisterB.Bits.MIL == 0) {
+ if (Time->Hour < 12) {
+ PM = FALSE;
+ }
+
+ if (Time->Hour >= 13) {
+ Time->Hour = (UINT8) (Time->Hour - 12);
+ } else if (Time->Hour == 0) {
+ Time->Hour = 12;
+ }
+ }
+ //
+ // Set the Time/Date/Daylight Savings values.
+ //
+ *Century = DecimalToBcd8 ((UINT8) (Time->Year / 100));
+
+ Time->Year = (UINT16) (Time->Year % 100);
+
+ if (RegisterB.Bits.DM == 0) {
+ Time->Year = DecimalToBcd8 ((UINT8) Time->Year);
+ Time->Month = DecimalToBcd8 (Time->Month);
+ Time->Day = DecimalToBcd8 (Time->Day);
+ Time->Hour = DecimalToBcd8 (Time->Hour);
+ Time->Minute = DecimalToBcd8 (Time->Minute);
+ Time->Second = DecimalToBcd8 (Time->Second);
+ }
+ //
+ // If we are in 12 hour mode and PM is set, then set bit 7 of the Hour field.
+ //
+ if (RegisterB.Bits.MIL == 0 && PM) {
+ Time->Hour = (UINT8) (Time->Hour | 0x80);
+ }
+}
+
+STATIC
+INTN
+CompareHMS (
+ IN EFI_TIME *From,
+ IN EFI_TIME *To
+ )
+/*++
+
+Routine Description:
+
+ Compare the Hour, Minute and Second of the 'From' time and the 'To' time.
+ Only compare H/M/S in EFI_TIME and ignore other fields here.
+
+Arguments:
+
+ From - the first time
+ To - the second time
+
+Returns:
+
+ >0 : The H/M/S of the 'From' time is later than those of 'To' time
+ ==0 : The H/M/S of the 'From' time is same as those of 'To' time
+ <0 : The H/M/S of the 'From' time is earlier than those of 'To' time
+
+--*/
+{
+ if ((From->Hour > To->Hour) ||
+ ((From->Hour == To->Hour) && (From->Minute > To->Minute)) ||
+ ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second > To->Second))) {
+ return 1;
+ } else if ((From->Hour == To->Hour) && (From->Minute == To->Minute) && (From->Second == To->Second)) {
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+STATIC
+BOOLEAN
+IsWithinOneDay (
+ IN EFI_TIME *From,
+ IN EFI_TIME *To
+ )
+/*++
+
+Routine Description:
+
+ Judge whether two days are adjacent.
+
+Arguments:
+
+ From - the first day
+ To - the second day
+
+Returns:
+
+ TRUE - The interval of two days are within one day.
+ FALSE - The interval of two days exceed ony day or parameter error.
+
+--*/
+{
+ UINT8 DayOfMonth[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+ BOOLEAN Adjacent = FALSE;
+
+ if (From->Year == To->Year) {
+ if (From->Month == To->Month) {
+ if ((From->Day + 1) == To->Day) {
+ if ((CompareHMS(From, To) >= 0)) {
+ Adjacent = TRUE;
+ }
+ } else if (From->Day == To->Day) {
+ if ((CompareHMS(From, To) <= 0)) {
+ Adjacent = TRUE;
+ }
+ }
+ } else if (((From->Month + 1) == To->Month) && (To->Day == 1)) {
+ if ((From->Month == 2) && !IsLeapYear(From)) {
+ if (From->Day == 28) {
+ if ((CompareHMS(From, To) >= 0)) {
+ Adjacent = TRUE;
+ }
+ }
+ } else if (From->Day == DayOfMonth[From->Month - 1]) {
+ if ((CompareHMS(From, To) >= 0)) {
+ Adjacent = TRUE;
+ }
+ }
+ }
+ } else if (((From->Year + 1) == To->Year) &&
+ (From->Month == 12) &&
+ (From->Day == 31) &&
+ (To->Month == 1) &&
+ (To->Day == 1)) {
+ if ((CompareHMS(From, To) >= 0)) {
+ Adjacent = TRUE;
+ }
+ }
+
+ return Adjacent;
+}
+
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h new file mode 100644 index 0000000..55ed7c3 --- /dev/null +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h @@ -0,0 +1,514 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation. All rights reserved.
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+
+ PcRtc.h
+
+Abstract:
+
+ Include for real time clock driver
+
+Revision History
+
+
+--*/
+
+#ifndef _RTC_H_
+#define _RTC_H_
+
+//
+// The package level header files this module uses
+//
+#include <PiDxe.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Protocol/RealTimeClock.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/IoLib.h>
+#include <Library/TimerLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+
+
+typedef struct {
+ EFI_LOCK RtcLock;
+ UINT16 SavedTimeZone;
+ UINT8 Daylight;
+} PC_RTC_MODULE_GLOBALS;
+
+#define PCAT_RTC_ADDRESS_REGISTER 0x70
+#define PCAT_RTC_DATA_REGISTER 0x71
+
+//
+// Dallas DS12C887 Real Time Clock
+//
+#define RTC_ADDRESS_SECONDS 0 // R/W Range 0..59
+#define RTC_ADDRESS_SECONDS_ALARM 1 // R/W Range 0..59
+#define RTC_ADDRESS_MINUTES 2 // R/W Range 0..59
+#define RTC_ADDRESS_MINUTES_ALARM 3 // R/W Range 0..59
+#define RTC_ADDRESS_HOURS 4 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
+#define RTC_ADDRESS_HOURS_ALARM 5 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
+#define RTC_ADDRESS_DAY_OF_THE_WEEK 6 // R/W Range 1..7
+#define RTC_ADDRESS_DAY_OF_THE_MONTH 7 // R/W Range 1..31
+#define RTC_ADDRESS_MONTH 8 // R/W Range 1..12
+#define RTC_ADDRESS_YEAR 9 // R/W Range 0..99
+#define RTC_ADDRESS_REGISTER_A 10 // R/W[0..6] R0[7]
+#define RTC_ADDRESS_REGISTER_B 11 // R/W
+#define RTC_ADDRESS_REGISTER_C 12 // RO
+#define RTC_ADDRESS_REGISTER_D 13 // RO
+#define RTC_ADDRESS_CENTURY 50 // R/W Range 19..20 Bit 8 is R/W
+//
+// Date and time initial values.
+// They are used if the RTC values are invalid during driver initialization
+//
+#define RTC_INIT_SECOND 0
+#define RTC_INIT_MINUTE 0
+#define RTC_INIT_HOUR 0
+#define RTC_INIT_DAY 1
+#define RTC_INIT_MONTH 1
+#define RTC_INIT_YEAR 2001
+
+//
+// Register initial values
+//
+#define RTC_INIT_REGISTER_A 0x26
+#define RTC_INIT_REGISTER_B 0x02
+#define RTC_INIT_REGISTER_D 0x0
+
+#pragma pack(1)
+//
+// Register A
+//
+typedef struct {
+ UINT8 RS : 4; // Rate Selection Bits
+ UINT8 DV : 3; // Divisor
+ UINT8 UIP : 1; // Update in progress
+} RTC_REGISTER_A_BITS;
+
+typedef union {
+ RTC_REGISTER_A_BITS Bits;
+ UINT8 Data;
+} RTC_REGISTER_A;
+
+//
+// Register B
+//
+typedef struct {
+ UINT8 DSE : 1; // 0 - Daylight saving disabled 1 - Daylight savings enabled
+ UINT8 MIL : 1; // 0 - 12 hour mode 1 - 24 hour mode
+ UINT8 DM : 1; // 0 - BCD Format 1 - Binary Format
+ UINT8 SQWE : 1; // 0 - Disable SQWE output 1 - Enable SQWE output
+ UINT8 UIE : 1; // 0 - Update INT disabled 1 - Update INT enabled
+ UINT8 AIE : 1; // 0 - Alarm INT disabled 1 - Alarm INT Enabled
+ UINT8 PIE : 1; // 0 - Periodic INT disabled 1 - Periodic INT Enabled
+ UINT8 SET : 1; // 0 - Normal operation. 1 - Updates inhibited
+} RTC_REGISTER_B_BITS;
+
+typedef union {
+ RTC_REGISTER_B_BITS Bits;
+ UINT8 Data;
+} RTC_REGISTER_B;
+
+//
+// Register C
+//
+typedef struct {
+ UINT8 Reserved : 4; // Read as zero. Can not be written.
+ UINT8 UF : 1; // Update End Interrupt Flag
+ UINT8 AF : 1; // Alarm Interrupt Flag
+ UINT8 PF : 1; // Periodic Interrupt Flag
+ UINT8 IRQF : 1; // Iterrupt Request Flag = PF & PIE | AF & AIE | UF & UIE
+} RTC_REGISTER_C_BITS;
+
+typedef union {
+ RTC_REGISTER_C_BITS Bits;
+ UINT8 Data;
+} RTC_REGISTER_C;
+
+//
+// Register D
+//
+typedef struct {
+ UINT8 Reserved : 7; // Read as zero. Can not be written.
+ UINT8 VRT : 1; // Valid RAM and Time
+} RTC_REGISTER_D_BITS;
+
+typedef union {
+ RTC_REGISTER_D_BITS Bits;
+ UINT8 Data;
+} RTC_REGISTER_D;
+
+#pragma pack()
+
+EFI_STATUS
+PcRtcInit (
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+PcRtcSetTime (
+ IN EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+PcRtcGetTime (
+ OUT EFI_TIME *Time,
+ IN EFI_TIME_CAPABILITIES *Capabilities,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+ Capabilities - GC_TODO: add argument description
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+PcRtcSetWakeupTime (
+ IN BOOLEAN Enable,
+ OUT EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Enable - GC_TODO: add argument description
+ Time - GC_TODO: add argument description
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+PcRtcGetWakeupTime (
+ OUT BOOLEAN *Enabled,
+ OUT BOOLEAN *Pending,
+ OUT EFI_TIME *Time,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Enabled - GC_TODO: add argument description
+ Pending - GC_TODO: add argument description
+ Time - GC_TODO: add argument description
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+InitializePcRtc (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ ImageHandle - GC_TODO: add argument description
+ SystemTable - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+UINT8
+BcdToDecimal (
+ IN UINT8 BcdValue
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ BcdValue - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+RtcTimeFieldsValid (
+ IN EFI_TIME *Time
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+UINT8
+DecimaltoBcd (
+ IN UINT8 DecValue
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ DecValue - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+ConvertEfiTimeToRtcTime (
+ IN EFI_TIME *Time,
+ IN RTC_REGISTER_B RegisterB,
+ IN UINT8 *Century
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+ RegisterB - GC_TODO: add argument description
+ Century - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+RtcTestCenturyRegister (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ None
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+ConvertRtcTimeToEfiTime (
+ IN EFI_TIME *Time,
+ IN RTC_REGISTER_B RegisterB
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Time - GC_TODO: add argument description
+ RegisterB - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+RtcWaitToUpdate (
+ UINTN Timeout
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Timeout - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+UINT8
+RtcSaveContext (
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+RtcRestoreContext (
+ IN UINT8 SavedAddressRegister,
+ IN PC_RTC_MODULE_GLOBALS *Global
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ SavedAddressRegister - GC_TODO: add argument description
+ Global - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+BOOLEAN
+DayValid (
+ IN EFI_TIME *Time
+ );
+
+BOOLEAN
+IsLeapYear (
+ IN EFI_TIME *Time
+ );
+
+#endif
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf new file mode 100644 index 0000000..e9c0649 --- /dev/null +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf @@ -0,0 +1,105 @@ +#/** @file
+# PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL.
+#
+# This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table.
+# Copyright (c) 2006 - 2007, Intel Corporation.
+#
+# All rights reserved.
+# This software and associated documentation (if any) is furnished
+# under a license and may only be used or copied in accordance
+# with the terms of the license. Except as permitted by such
+# license, no part of this software or documentation may be
+# reproduced, stored in a retrieval system, or transmitted in any
+# form or by any means without the express written consent of
+# Intel Corporation.
+#
+#
+#**/
+
+################################################################################
+#
+# Defines Section - statements that will be processed to create a Makefile.
+#
+################################################################################
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PcRtc
+ FILE_GUID = 378D7B65-8DA9-4773-B6E4-A47826A833E1
+ MODULE_TYPE = DXE_RUNTIME_DRIVER
+ VERSION_STRING = 1.0
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+ ENTRY_POINT = InitializePcRtc
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+################################################################################
+#
+# Sources Section - list of files that are required for the build to succeed.
+#
+################################################################################
+
+[Sources.common]
+ Ia32/Ia32PcRtc.c
+ PcRtc.c
+ PcRtc.h
+
+
+################################################################################
+#
+# Package Dependency Section - list of Package files that are required for
+# this module.
+#
+################################################################################
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+
+
+################################################################################
+#
+# Library Class Section - list of Library Classes that are required for
+# this module.
+#
+################################################################################
+
+[LibraryClasses]
+ UefiRuntimeServicesTableLib
+ UefiRuntimeLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ TimerLib
+ IoLib
+ BaseMemoryLib
+ UefiLib
+ DebugLib
+ BaseLib
+
+
+################################################################################
+#
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names
+# that this module uses or produces.
+#
+################################################################################
+
+[Protocols]
+ gEfiRealTimeClockArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+
+
+################################################################################
+#
+# Dependency Expression Section - list of Dependency expressions that are required for
+# this module.
+#
+################################################################################
+
+[Depex]
+ gEfiCpuArchProtocolGuid AND gEfiMetronomeArchProtocolGuid
+
diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa new file mode 100644 index 0000000..9e911b8 --- /dev/null +++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.msa @@ -0,0 +1,79 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd" xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <MsaHeader>
+ <ModuleName>PcRtc</ModuleName>
+ <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
+ <GuidValue>378D7B65-8DA9-4773-B6E4-A47826A833E1</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>PcRtc driver to install EFI_REAL_TIME_CLOCK_ARCH_PROTOCOL.</Abstract>
+ <Description>This driver provides GetTime, SetTime, GetWakeupTime, SetWakeupTime services to Runtime Service Table.</Description>
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation.</Copyright>
+ <License>All rights reserved.
+ This software and associated documentation (if any) is furnished
+ under a license and may only be used or copied in accordance
+ with the terms of the license. Except as permitted by such
+ license, no part of this software or documentation may be
+ reproduced, stored in a retrieval system, or transmitted in any
+ form or by any means without the express written consent of
+ Intel Corporation.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32 X64 EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>PcRtc</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>IoLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>TimerLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiDriverEntryPoint</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiBootServicesTableLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiRuntimeLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiRuntimeServicesTableLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>PcRtc.h</Filename>
+ <Filename>PcRtc.c</Filename>
+ <Filename>Ia32PcRtc.dxs</Filename>
+ <Filename>Ia32/Ia32PcRtc.c</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_PRODUCED">
+ <ProtocolCName>gEfiRealTimeClockArchProtocolGuid</ProtocolCName>
+ </Protocol>
+ </Protocols>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ <Extern>
+ <ModuleEntryPoint>InitializePcRtc</ModuleEntryPoint>
+ </Extern>
+ </Externs>
+</ModuleSurfaceArea>
|