From 5dce0991864ec5a10add570dca2f8dd850ea29bf Mon Sep 17 00:00:00 2001 From: Guo Mang Date: Thu, 22 Dec 2016 18:20:23 +0800 Subject: EmbeddedPkg: Remove unused Package Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Guo Mang --- .../Library/HalRuntimeServicesExampleLib/Capsule.c | 288 ------- .../Library/HalRuntimeServicesExampleLib/Mtc.c | 226 ------ .../ReportStatusCode.c | 198 ----- .../Library/HalRuntimeServicesExampleLib/Reset.c | 63 -- .../Library/HalRuntimeServicesExampleLib/Rtc.c | 862 --------------------- .../HalRuntimeServicesExampleLib/Variable.c | 306 -------- 6 files changed, 1943 deletions(-) delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Capsule.c delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Mtc.c delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/ReportStatusCode.c delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Rtc.c delete mode 100644 EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Variable.c (limited to 'EmbeddedPkg/Library/HalRuntimeServicesExampleLib') diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Capsule.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Capsule.c deleted file mode 100644 index ec89cfdeec..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Capsule.c +++ /dev/null @@ -1,288 +0,0 @@ -/** @file - Generic Capsule services - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#include - - -// -//Max size capsule services support are platform policy,to populate capsules we just need -//memory to maintain them across reset,it is not a problem. And to special capsules ,for -//example,update flash,it is mostly decided by the platform. Here is a sample size for -//different type capsules. -// -#define MAX_SIZE_POPULATE (0) -#define MAX_SIZE_NON_POPULATE (0) -#define MAX_SUPPORT_CAPSULE_NUM 0x10 - - -BOOLEAN -EFIAPI -SupportUpdateCapsuleRest ( - VOID - ) -{ - // - //If the platform has a way to guarantee the memory integrity across a system reset, return - //TRUE, else FALSE. - // - return FALSE; -} - - - -VOID -EFIAPI -SupportCapsuleSize ( - IN OUT UINT32 *MaxSizePopulate, - IN OUT UINT32 *MaxSizeNonPopulate - ) -{ - // - //Here is a sample size, different platforms have different sizes. - // - *MaxSizePopulate = MAX_SIZE_POPULATE; - *MaxSizeNonPopulate = MAX_SIZE_NON_POPULATE; - return; -} - - - - -EFI_STATUS -LibUpdateCapsule ( - IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray, - IN UINTN CapsuleCount, - IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL - ) -/*++ - -Routine Description: - - This code finds if the capsule needs reset to update, if no, update immediately. - -Arguments: - - CapsuleHeaderArray A array of pointers to capsule headers passed in - CapsuleCount The number of capsule - ScatterGatherList Physical address of datablock list points to capsule - -Returns: - - EFI STATUS - EFI_SUCCESS Valid capsule was passed.If CAPSULE_FLAG_PERSIT_ACROSS_RESET is - not set, the capsule has been successfully processed by the firmware. - If it set, the ScattlerGatherList is successfully to be set. - EFI_INVALID_PARAMETER CapsuleCount is less than 1,CapsuleGuid is not supported. - EFI_DEVICE_ERROR Failed to SetVariable or AllocatePool or ProcessFirmwareVolume. - ---*/ -{ - UINTN CapsuleSize; - UINTN ArrayNumber; - VOID *BufferPtr; - EFI_STATUS Status; - EFI_HANDLE FvHandle; - UEFI_CAPSULE_HEADER *CapsuleHeader; - - if ((CapsuleCount < 1) || (CapsuleCount > MAX_SUPPORT_CAPSULE_NUM)){ - return EFI_INVALID_PARAMETER; - } - - BufferPtr = NULL; - CapsuleHeader = NULL; - - // - //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET - //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports. - // - for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) { - CapsuleHeader = CapsuleHeaderArray[ArrayNumber]; - if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) { - return EFI_INVALID_PARAMETER; - } - if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &gEfiCapsuleGuid)) { - if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) { - return EFI_UNSUPPORTED; - } - } - } - - // - //Assume that capsules have the same flags on reseting or not. - // - CapsuleHeader = CapsuleHeaderArray[0]; - - if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) { - // - //Check if the platform supports update capsule across a system reset - // - if (!SupportUpdateCapsuleRest()) { - return EFI_UNSUPPORTED; - } - - if (ScatterGatherList == 0) { - return EFI_INVALID_PARAMETER; - } else { - Status = EfiSetVariable ( - EFI_CAPSULE_VARIABLE_NAME, - &gEfiCapsuleVendorGuid, - EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS, - sizeof (UINTN), - (VOID *) &ScatterGatherList - ); - if (Status != EFI_SUCCESS) { - return EFI_DEVICE_ERROR; - } - } - return EFI_SUCCESS; - } - - // - //The rest occurs in the condition of non-reset mode - // - if (EfiAtRuntime ()) { - return EFI_INVALID_PARAMETER; - } - - // - //Here should be in the boot-time - // - for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) { - CapsuleHeader = CapsuleHeaderArray[ArrayNumber]; - CapsuleSize = CapsuleHeader->CapsuleImageSize - CapsuleHeader->HeaderSize; - Status = gBS->AllocatePool (EfiBootServicesData, CapsuleSize, &BufferPtr); - if (Status != EFI_SUCCESS) { - goto Done; - } - gBS->CopyMem (BufferPtr, (UINT8*)CapsuleHeader+ CapsuleHeader->HeaderSize, CapsuleSize); - - // - //Call DXE service ProcessFirmwareVolume to process immediatelly - // - Status = gDS->ProcessFirmwareVolume (BufferPtr, CapsuleSize, &FvHandle); - if (Status != EFI_SUCCESS) { - gBS->FreePool (BufferPtr); - return EFI_DEVICE_ERROR; - } - gDS->Dispatch (); - gBS->FreePool (BufferPtr); - } - return EFI_SUCCESS; - -Done: - if (BufferPtr != NULL) { - gBS->FreePool (BufferPtr); - } - return EFI_DEVICE_ERROR; -} - - -EFI_STATUS -QueryCapsuleCapabilities ( - IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray, - IN UINTN CapsuleCount, - OUT UINT64 *MaxiumCapsuleSize, - OUT EFI_RESET_TYPE *ResetType - ) -/*++ - -Routine Description: - - This code is query about capsule capability. - -Arguments: - - CapsuleHeaderArray A array of pointers to capsule headers passed in - CapsuleCount The number of capsule - MaxiumCapsuleSize Max capsule size is supported - ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold. - If reset is needed, return EfiResetWarm. - -Returns: - - EFI STATUS - EFI_SUCCESS Valid answer returned - EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported. - EFI_UNSUPPORTED The capsule type is not supported. - ---*/ -{ - UINTN ArrayNumber; - UEFI_CAPSULE_HEADER *CapsuleHeader; - UINT32 MaxSizePopulate; - UINT32 MaxSizeNonPopulate; - - - if ((CapsuleCount < 1) || (CapsuleCount > MAX_SUPPORT_CAPSULE_NUM)){ - return EFI_INVALID_PARAMETER; - } - - if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) { - return EFI_INVALID_PARAMETER; - } - - CapsuleHeader = NULL; - - // - //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET - //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports. - // - for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) { - CapsuleHeader = CapsuleHeaderArray[ArrayNumber]; - if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) { - return EFI_INVALID_PARAMETER; - } - if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &gEfiCapsuleGuid)) { - if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) { - return EFI_UNSUPPORTED; - } - } - } - - SupportCapsuleSize(&MaxSizePopulate,&MaxSizeNonPopulate); - // - //Assume that capsules have the same flags on reseting or not. - // - CapsuleHeader = CapsuleHeaderArray[0]; - if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) { - // - //Check if the platform supports update capsule across a system reset - // - if (!SupportUpdateCapsuleRest()) { - return EFI_UNSUPPORTED; - } - *ResetType = EfiResetWarm; - *MaxiumCapsuleSize = MaxSizePopulate; - } else { - *ResetType = EfiResetCold; - *MaxiumCapsuleSize = MaxSizeNonPopulate; - } - return EFI_SUCCESS; -} - - -VOID -LibCapsuleVirtualAddressChangeEvent ( - VOID - ) -{ -} - -VOID -LibCapsuleInitialize ( - VOID - ) -{ -} diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Mtc.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Mtc.c deleted file mode 100644 index 2b60d07203..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Mtc.c +++ /dev/null @@ -1,226 +0,0 @@ -/** @file - Generic Monotonic Counter services - - Copyright (c) 2007, Intel Corporation. All rights reserved.
- Portions copyright (c) 2008 - 2009, Apple Inc. 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. - - -**/ - - -// -// The current Monotonic count value -// -UINT64 mEfiMtc = 0; - - -// -// Event to use to update the Mtc's high part when wrapping -// -EFI_EVENT mEfiMtcEvent; - -// -// EfiMtcName - Variable name of the MTC value -// -CHAR16 *mEfiMtcName = L"MTC"; - -// -// EfiMtcGuid - Guid of the MTC value -// -EFI_GUID mEfiMtcGuid = { 0xeb704011, 0x1402, 0x11d3, { 0x8e, 0x77, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } }; - - - -// -// Worker functions -// - - -VOID -EFIAPI -EfiMtcEventHandler ( - IN EFI_EVENT Event, - IN VOID *Context - ) -/*++ - -Routine Description: - - Monotonic count event handler. This handler updates the high monotonic count. - -Arguments: - - Event The event to handle - Context The event context - -Returns: - - EFI_SUCCESS The event has been handled properly - EFI_NOT_FOUND An error occurred updating the variable. - ---*/ -{ - UINT32 HighCount; - - EfiGetNextHighMonotonicCount (&HighCount); - return; -} - - - -VOID -LibMtcVirtualAddressChangeEvent (VOID) -{ -} - - -EFI_STATUS -EFIAPI -LibMtcGetNextHighMonotonicCount ( - OUT UINT32 *HighCount - ) -{ - EFI_STATUS Status; - EFI_TPL OldTpl; - - // - // Check input parameters - // - if (HighCount == NULL) { - return EFI_INVALID_PARAMETER; - } - - - if (!EfiAtRuntime ()) { - // Use a lock if called before ExitBootServices() - OldTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); - } - - *HighCount = (UINT32) RShiftU64 (mEfiMtc, 32) + 1; - mEfiMtc = LShiftU64 (*HighCount, 32); - - if (!EfiAtRuntime ()) { - gBS->RestoreTPL (OldTpl); - } - - // - // Update the NvRam store to match the new high part - // - Status = EfiSetVariable ( - mEfiMtcName, - &mEfiMtcGuid, - EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS, - sizeof (UINT32), - HighCount - ); - - return Status; -} - - -EFI_STATUS -LibMtcGetNextMonotonicCount ( - OUT UINT64 *Count - ) -{ - EFI_STATUS Status; - EFI_TPL OldTpl; - UINT32 HighCount; - UINTN BufferSize; - - // - // Can not be called after ExitBootServices() - // - if (EfiAtRuntime ()) { - return EFI_UNSUPPORTED; - } - - // - // Check input parameters - // - if (Count == NULL) { - return EFI_INVALID_PARAMETER; - } - - if (mEfiMtc == 0) { - // - // If the MTC has not been initialized read the variable - // - - // - // Read the last high part - // - BufferSize = sizeof (UINT32); - Status = EfiGetVariable ( - mEfiMtcName, - &mEfiMtcGuid, - NULL, - &BufferSize, - &HighCount - ); - if (EFI_ERROR (Status)) { - HighCount = 0; - } - - // - // Set the current value - // - mEfiMtc = LShiftU64 (HighCount, 32); - // - // Increment the upper 32 bits for this boot - // Continue even if it fails. It will only fail if the variable services are - // not functional. - // - Status = EfiGetNextHighMonotonicCount (&HighCount); - } - - - // - // Update the monotonic counter with a lock - // - OldTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); - *Count = mEfiMtc; - mEfiMtc++; - gBS->RestoreTPL (OldTpl); - - // - // If the MSB bit of the low part toggled, then signal that the high - // part needs updated now - // - if ((((UINT32) mEfiMtc) ^ ((UINT32) *Count)) & 0x80000000) { - gBS->SignalEvent (mEfiMtcEvent); - } - - return EFI_SUCCESS; -} - - - -VOID -LibMtcInitialize ( - VOID - ) -{ - EFI_STATUS Status; - - // - // Initialize event to handle overflows - // - Status = gBS->CreateEvent ( - EVT_NOTIFY_SIGNAL, - EFI_TPL_CALLBACK, - EfiMtcEventHandler, - NULL, - &mEfiMtcEvent - ); - ASSERT_EFI_ERROR (Status); -} - diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/ReportStatusCode.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/ReportStatusCode.c deleted file mode 100644 index e2d5500ae0..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/ReportStatusCode.c +++ /dev/null @@ -1,198 +0,0 @@ -/** @file - Report status code lib on top of either SerialLib and/or EFI Serial Protocol. - Based on PcdStatusCodeUseEfiSerial & PcdStatusCodeUseHardSerial settings - - There is just a single runtime memory buffer that contans all the data. - - Copyright (c) 2007, Intel Corporation. All rights reserved.
- Portions copyright (c) 2008 - 2009, Apple Inc. 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. - - -**/ - -//////////#include "DxeStatusCode.h" - - -EFI_SERIAL_IO_PROTOCOL *mSerialIoProtocol = NULL; - - -EFI_STATUS -LibReportStatusCode ( - IN EFI_STATUS_CODE_TYPE CodeType, - IN EFI_STATUS_CODE_VALUE Value, - IN UINT32 Instance, - IN EFI_GUID *CallerId, - IN EFI_STATUS_CODE_DATA *Data OPTIONAL - ) -{ - CHAR8 *Filename; - CHAR8 *Description; - CHAR8 *Format; - CHAR8 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE]; - UINT32 ErrorLevel; - UINT32 LineNumber; - UINTN CharCount; - VA_LIST Marker; - EFI_DEBUG_INFO *DebugInfo; - EFI_TPL CurrentTpl; - - - if (FeaturePcdGet (PcdStatusCodeUseEfiSerial)) { - if (EfiAtRuntime ()) { - return EFI_DEVICE_ERROR; - } - CurrentTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); - gBS->RestoreTPL (CurrentTpl); - - if (CurrentTpl > EFI_TPL_CALLBACK ) { - return EFI_DEVICE_ERROR; - } - } - - Buffer[0] = '\0'; - - if (Data != NULL && - ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber)) { - // - // Print ASSERT() information into output buffer. - // - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "\n\rDXE_ASSERT!: %a (%d): %a\n\r", - Filename, - LineNumber, - Description - ); - } else if (Data != NULL && - ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) { - // - // Print DEBUG() information into output buffer. - // - CharCount = AsciiVSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - Format, - Marker - ); - } else if (Data != NULL && - CompareGuid (&Data->Type, &gEfiStatusCodeSpecificDataGuid) && - (CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) { - // - // Print specific data into output buffer. - // - DebugInfo = (EFI_DEBUG_INFO *) (Data + 1); - Marker = (VA_LIST) (DebugInfo + 1); - Format = (CHAR8 *) (((UINT64 *) (DebugInfo + 1)) + 12); - - CharCount = AsciiVSPrint (Buffer, EFI_STATUS_CODE_DATA_MAX_SIZE, Format, Marker); - } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) { - // - // Print ERROR information into output buffer. - // - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "ERROR: C%x:V%x I%x", - CodeType, - Value, - Instance - ); - - // - // Make sure we don't try to print values that weren't - // intended to be printed, especially NULL GUID pointers. - // - - if (CallerId != NULL) { - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - " %g", - CallerId - ); - } - - if (Data != NULL) { - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - " %x", - Data - ); - } - - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - "\n\r" - ); - } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) { - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "PROGRESS CODE: V%x I%x\n\r", - Value, - Instance - ); - } else { - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "Undefined: C%x:V%x I%x\n\r", - CodeType, - Value, - Instance - ); - } - - - if (FeaturePcdGet (PcdStatusCodeUseHardSerial)) { - // - // Callout to SerialPort Lib function to do print. - // - SerialPortWrite ((UINT8 *) Buffer, CharCount); - } - if (FeaturePcdGet (PcdStatusCodeUseEfiSerial)) { - if (mSerialIoProtocol == NULL) { - gBS->LocateProtocol (&gEfiSerialIoProtocolGuid, NULL, (VOID **) &mSerialIoProtocol); - } - - if (mSerialIoProtocol == NULL) { - mSerialIoProtocol->Write ( - mSerialIoProtocol, - &CharCount, - Buffer - ); - } - } - - return EFI_SUCCESS; -} - - -VOID -LibReportStatusCodeVirtualAddressChangeEvent ( - VOID - ) -{ - return; -} - -VOID -LibReportStatusCodeInitialize ( - VOID - ) -{ - return; -} - - - diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c deleted file mode 100644 index c6ae1f0c32..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c +++ /dev/null @@ -1,63 +0,0 @@ -/** @file - Simple PC Port 0x92 reset driver - - Copyright (c) 2007, Intel Corporation. All rights reserved.
- Portions copyright (c) 2008 - 2009, Apple Inc. 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. - - -**/ - - - -VOID -LibResetInitializeReset ( - VOID - ) -{ -} - -VOID -LibResetVirtualAddressChangeEvent ( - VOID - ) -{ -} - - -VOID -LibResetSystem ( - IN EFI_RESET_TYPE ResetType, - IN EFI_STATUS ResetStatus, - IN UINTN DataSize, - IN CHAR16 *ResetData OPTIONAL - ) -{ - UINT8 Data; - - switch (ResetType) { - case EfiResetWarm: - case EfiResetCold: - case EfiResetShutdown: - Data = IoRead8 (0x92); - Data |= 1; - IoWrite8 (0x92, Data); - break; - - default: - return ; - } - - // - // Given we should have reset getting here would be bad - // - ASSERT (FALSE); -} - diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Rtc.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Rtc.c deleted file mode 100644 index c35d72c03c..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Rtc.c +++ /dev/null @@ -1,862 +0,0 @@ -/** @file - Simple PC RTC - - Copyright (c) 2007, Intel Corporation. All rights reserved.
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
- Copyright (c) 2014, ARM Ltd. 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. - - -**/ - - - -typedef struct { - EFI_LOCK RtcLock; - UINT16 SavedTimeZone; - UINT8 Daylight; -} PC_RTC_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() - -PC_RTC_GLOBALS mRtc; - -BOOLEAN -IsLeapYear ( - IN EFI_TIME *Time - ) -{ - 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; - } -} - - -const INTN mDayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - -BOOLEAN -DayValid ( - IN EFI_TIME *Time - ) -{ - if (Time->Day < 1 || - Time->Day > mDayOfMonth[Time->Month - 1] || - (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28)) - ) { - return FALSE; - } - - return TRUE; -} - - -UINT8 -DecimaltoBcd ( - IN UINT8 DecValue - ) -{ - UINTN High; - UINTN Low; - - High = DecValue / 10; - Low = DecValue - (High * 10); - - return (UINT8) (Low + (High << 4)); -} - -UINT8 -BcdToDecimal ( - IN UINT8 BcdValue - ) -{ - UINTN High; - UINTN Low; - - High = BcdValue >> 4; - Low = BcdValue - (High << 4); - - return (UINT8) (Low + (High * 10)); -} - - - - -VOID -ConvertEfiTimeToRtcTime ( - IN EFI_TIME *Time, - IN RTC_REGISTER_B RegisterB, - IN UINT8 *Century - ) -{ - 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 = DecimaltoBcd ((UINT8) (Time->Year / 100)); - - Time->Year = (UINT16) (Time->Year % 100); - - if (RegisterB.Bits.DM == 0) { - Time->Year = DecimaltoBcd ((UINT8) Time->Year); - Time->Month = DecimaltoBcd (Time->Month); - Time->Day = DecimaltoBcd (Time->Day); - Time->Hour = DecimaltoBcd (Time->Hour); - Time->Minute = DecimaltoBcd (Time->Minute); - Time->Second = DecimaltoBcd (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); - } -} - -/** - Check the validity of all the fields of a data structure of type EFI_TIME - - @param[in] Time Pointer to a data structure of type EFI_TIME that defines a date and time - - @retval EFI_SUCCESS All date and time fields are valid - @retval EFI_INVALID_PARAMETER At least one date or time field is not valid -**/ -EFI_STATUS -RtcTimeFieldsValid ( - IN EFI_TIME *Time - ) -{ - 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; -} - -UINT8 -RtcRead ( - IN UINT8 Address - ) -{ - IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80))); - return IoRead8 (PCAT_RTC_DATA_REGISTER); -} - -VOID -RtcWrite ( - IN UINT8 Address, - IN UINT8 Data - ) -{ - IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & 0x80))); - IoWrite8 (PCAT_RTC_DATA_REGISTER, Data); -} - - -EFI_STATUS -RtcTestCenturyRegister ( - VOID - ) -{ - 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 - ) -{ - BOOLEAN PM; - - if ((Time->Hour) & 0x80) { - PM = TRUE; - } else { - PM = FALSE; - } - - Time->Hour = (UINT8) (Time->Hour & 0x7f); - - if (RegisterB.Bits.DM == 0) { - Time->Year = BcdToDecimal ((UINT8) Time->Year); - Time->Month = BcdToDecimal (Time->Month); - Time->Day = BcdToDecimal (Time->Day); - Time->Hour = BcdToDecimal (Time->Hour); - Time->Minute = BcdToDecimal (Time->Minute); - Time->Second = BcdToDecimal (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 - ) -{ - 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 -LibGetTime ( - OUT EFI_TIME *Time, - OUT EFI_TIME_CAPABILITIES *Capabilities - ) -{ - EFI_STATUS Status; - RTC_REGISTER_B RegisterB; - UINT8 Century; - UINTN BufferSize; - - // - // Check parameters for null pointer - // - if (Time == NULL) { - return EFI_INVALID_PARAMETER; - - } - // - // Acquire RTC Lock to make access to RTC atomic - // - EfiAcquireLock (&mRtc.RtcLock); - - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - EfiReleaseLock (&mRtc.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 = BcdToDecimal ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal (RtcRead (RTC_ADDRESS_CENTURY)); - } - - Time->Year = (UINT16) (Century * 100 + Time->Year); - - // - // Release RTC Lock. - // - EfiReleaseLock (&mRtc.RtcLock); - - // - // Get the variable that containts the TimeZone and Daylight fields - // - Time->TimeZone = mRtc.SavedTimeZone; - Time->Daylight = mRtc.Daylight; - - BufferSize = sizeof (INT16) + sizeof (UINT8); - - // - // 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 -LibSetTime ( - IN EFI_TIME *Time - ) -{ - 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 - // - EfiAcquireLock (&mRtc.RtcLock); - - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - EfiReleaseLock (&mRtc.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. - // - EfiReleaseLock (&mRtc.RtcLock); - - // - // Set the variable that containts the TimeZone and Daylight fields - // - mRtc.SavedTimeZone = Time->TimeZone; - mRtc.Daylight = Time->Daylight; - return Status; -} - -EFI_STATUS -libGetWakeupTime ( - OUT BOOLEAN *Enabled, - OUT BOOLEAN *Pending, - OUT EFI_TIME *Time - ) -{ - 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 - // - EfiAcquireLock (&mRtc.RtcLock); - - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - EfiReleaseLock (&mRtc.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 = BcdToDecimal ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal (RtcRead (RTC_ADDRESS_CENTURY)); - } - - Time->Year = (UINT16) (Century * 100 + Time->Year); - - // - // Release RTC Lock. - // - EfiReleaseLock (&mRtc.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 -LibSetWakeupTime ( - IN BOOLEAN Enabled, - OUT EFI_TIME *Time - ) -{ - EFI_STATUS Status; - EFI_TIME RtcTime; - RTC_REGISTER_B RegisterB; - UINT8 Century; - EFI_TIME_CAPABILITIES Capabilities; - - if (Enabled) { - - 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 - // - LibGetTime (&RtcTime, &Capabilities); - if (Time->Year != RtcTime.Year || - Time->Month != RtcTime.Month || - (Time->Day != RtcTime.Day && Time->Day != (RtcTime.Day + 1)) - ) { - 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 - // - EfiAcquireLock (&mRtc.RtcLock); - - // - // Wait for up to 0.1 seconds for the RTC to be updated - // - Status = RtcWaitToUpdate (100000); - if (EFI_ERROR (Status)) { - EfiReleaseLock (&mRtc.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 (Enabled) { - 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. - // - EfiReleaseLock (&mRtc.RtcLock); - - return EFI_SUCCESS; -} - - - -VOID -LibRtcVirtualAddressChangeEvent ( - VOID - ) -{ -} - - -VOID -LibRtcInitialize ( - VOID - ) -{ - EFI_STATUS Status; - RTC_REGISTER_A RegisterA; - RTC_REGISTER_B RegisterB; - RTC_REGISTER_C RegisterC; - RTC_REGISTER_D RegisterD; - UINT8 Century; - EFI_TIME Time; - - // - // Acquire RTC Lock to make access to RTC atomic - // - EfiAcquireLock (&mRtc.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 - // - RegisterC.Data = 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)) { - EfiReleaseLock (&mRtc.RtcLock); - return; - } - - // - // 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 = BcdToDecimal ((UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f)); - } else { - Century = BcdToDecimal (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. - // - EfiReleaseLock (&mRtc.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 - // - LibSetTime (&Time); - - return; -} - - diff --git a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Variable.c b/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Variable.c deleted file mode 100644 index 0c1b76a4bb..0000000000 --- a/EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Variable.c +++ /dev/null @@ -1,306 +0,0 @@ -/** @file - Variable services implemented from system memory - - There is just a single runtime memory buffer that contans all the data. - - Copyright (c) 2007, Intel Corporation. All rights reserved.
- Portions copyright (c) 2008 - 2009, Apple Inc. 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. - - -**/ - - -UINT64 mMaximumVariableStorageSize; -UINT64 mRemainingVariableStorageSize; -UINT64 mMaximumVariableSize; - -typedef struct { - EFI_GUID VendorGuid; - UINT32 Attribute; - UINTN DataSize; -} VARIABLE_ARRAY_ENTRY; -// CHAR16 VariableName[] -// UINT8 Data[] - -VARIABLE_ARRAY_ENTRY *mVariableArray = NULL; -VARIABLE_ARRAY_ENTRY *mVariableArrayNextFree = NULL; -VARIABLE_ARRAY_ENTRY *mVariableArrayEnd = NULL; - - -VARIABLE_ARRAY_ENTRY * -AddEntry ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data - ) -{ - UINTN Size; - UINTN SizeOfString; - VARIABLE_ARRAY_ENTRY *Entry; - EFI_TPL CurrentTpl; - - - SizeOfString = StrSize (VariableName); - Size = SizeOfString + sizeof (VARIABLE_ARRAY_ENTRY) + DataSize; - if ((VARIABLE_ARRAY_ENTRY *)(((UINT8 *)mVariableArrayNextFree) + Size) > mVariableArrayEnd) { - // ran out of space - return NULL; - } - - if (!EfiAtRuntime ()) { - // Enter critical section - CurrentTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); - } - - Entry = mVariableArrayNextFree; - CopyGuid (&Entry->VendorGuid, VendorGuid); - Entry->Attribute = Attributes; - Entry->DataSize = DataSize; - StrCpy ((CHAR16 *)++mVariableArrayNextFree, VariableName); - mVariableArrayNextFree = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)mVariableArrayNextFree) + SizeOfString); - CopyMem (mVariableArrayNextFree, Data, DataSize); - mVariableArrayNextFree = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)mVariableArrayNextFree) + DataSize); - - if (!EfiAtRuntime ()) { - // Exit Critical section - gBS->RestoreTPL (CurrentTpl); - } - - return Entry; -} - -VOID -DeleteEntry ( - IN VARIABLE_ARRAY_ENTRY *Entry - ) -{ - UINTN Size; - UINT8 *Data; - EFI_TPL CurrentTpl; - - Size = StrSize ((CHAR16 *)(Entry + 1)) + sizeof (VARIABLE_ARRAY_ENTRY) + Entry->DataSize; - Data = ((UINT8 *)Entry) + Size; - - CopyMem (Entry, Data, (UINTN)mVariableArrayNextFree - (UINTN)Data); - - if (!EfiAtRuntime ()) { - // Enter critical section - CurrentTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); - } - - mVariableArrayNextFree = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)mVariableArrayNextFree) - Size); - - if (!EfiAtRuntime ()) { - // Exit Critical section - gBS->RestoreTPL (CurrentTpl); - } -} - - -VARIABLE_ARRAY_ENTRY * -GetVariableArrayEntry ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - OUT VOID **Data OPTIONAL - ) -{ - VARIABLE_ARRAY_ENTRY *Entry; - UINTN Size; - - if (*VariableName == L'\0') { - // by definition first entry is null-terminated string - if (mVariableArray == mVariableArrayNextFree) { - return NULL; - } - return mVariableArray; - } - - for (Entry = mVariableArray; Entry < mVariableArrayEnd;) { - if (CompareGuid (VendorGuid, &Entry->VendorGuid)) { - if (StrCmp (VariableName, (CHAR16 *)(Entry + 1))) { - Size = StrSize ((CHAR16 *)(Entry + 1)); - if (Data != NULL) { - *Data = (VOID *)(((UINT8 *)Entry) + (Size + sizeof (VARIABLE_ARRAY_ENTRY))); - } - return Entry; - } - } - - Size = StrSize ((CHAR16 *)(Entry + 1)) + sizeof (VARIABLE_ARRAY_ENTRY) + Entry->DataSize; - Entry = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)Entry) + Size); - } - - return NULL; -} - - -EFI_STATUS -LibGetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - OUT UINT32 *Attributes OPTIONAL, - IN OUT UINTN *DataSize, - OUT VOID *Data - ) -{ - VARIABLE_ARRAY_ENTRY *Entry; - VOID *InternalData; - - if (EfiAtRuntime () && (Attributes != NULL)) { - if ((*Attributes & EFI_VARIABLE_RUNTIME_ACCESS) == 0) { - return EFI_NOT_FOUND; - } - } - - Entry = GetVariableArrayEntry (VariableName, VendorGuid, &InternalData); - if (Entry == NULL) { - return EFI_NOT_FOUND; - } - - if (*DataSize < Entry->DataSize) { - *DataSize = Entry->DataSize; - return EFI_BUFFER_TOO_SMALL; - } - - *DataSize = Entry->DataSize; - if (Attributes != NULL) { - *Attributes = Entry->Attribute; - } - - CopyMem (Data, InternalData, *DataSize); - return EFI_SUCCESS; -} - - -EFI_STATUS -LibGetNextVariableName ( - IN OUT UINTN *VariableNameSize, - IN OUT CHAR16 *VariableName, - IN OUT EFI_GUID *VendorGuid - ) -{ - VARIABLE_ARRAY_ENTRY *Entry; - VOID *InternalData; - UINTN StringSize; - BOOLEAN Done; - - for (Done = FALSE; !Done; ) { - Entry = GetVariableArrayEntry (VariableName, VendorGuid, &InternalData); - if (Entry == NULL) { - return EFI_NOT_FOUND; - } - - // If we are at runtime skip variables that do not have the Runitme attribute set. - Done = (EfiAtRuntime () && ((Entry->Attribute & EFI_VARIABLE_RUNTIME_ACCESS) == 0)) ? FALSE : TRUE; - } - - StringSize = StrSize ((CHAR16 *)(Entry + 1)); - Entry = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)Entry) + (StringSize + sizeof (VARIABLE_ARRAY_ENTRY) + Entry->DataSize)); - if (Entry >= mVariableArrayEnd) { - return EFI_NOT_FOUND; - } - - if (*VariableNameSize < StringSize) { - *VariableNameSize = StringSize; - return EFI_BUFFER_TOO_SMALL; - } - - *VariableNameSize = StringSize; - CopyMem (VariableName, (CHAR16 *)(Entry + 1), StringSize); - CopyMem (VendorGuid, &Entry->VendorGuid, sizeof (EFI_GUID)); - return EFI_SUCCESS; -} - - - -EFI_STATUS -LibSetVariable ( - IN CHAR16 *VariableName, - IN EFI_GUID *VendorGuid, - IN UINT32 Attributes, - IN UINTN DataSize, - IN VOID *Data - ) -{ - VARIABLE_ARRAY_ENTRY *Entry; - VOID *InternalData; - - if (EfiAtRuntime () && ((Attributes & EFI_VARIABLE_RUNTIME_ACCESS) == 0)) { - return EFI_NOT_FOUND; - } - - Entry = GetVariableArrayEntry (VariableName, VendorGuid, &InternalData); - if (Entry == NULL) { - if (DataSize == 0) { - return EFI_NOT_FOUND; - } - Entry = AddEntry (VariableName, VendorGuid, Attributes, DataSize, Data); - return (Entry == NULL) ? EFI_OUT_OF_RESOURCES : EFI_SUCCESS; - - } else if (DataSize == 0) { - // DataSize is zero so delete - DeleteEntry (Entry); - } else if (DataSize == Entry->DataSize) { - // No change is size so just update the store - Entry->Attribute |= Attributes; - CopyMem (InternalData, Data, DataSize); - } else { - // Grow the entry by deleting and adding back. Don't lose previous Attributes - Attributes |= Entry->Attribute; - DeleteEntry (Entry); - Entry = AddEntry (VariableName, VendorGuid, Attributes, DataSize, Data); - return (Entry == NULL) ? EFI_OUT_OF_RESOURCES : EFI_SUCCESS; - } -} - - -EFI_STATUS -LibQueryVariableInfo ( - IN UINT32 Attributes, - OUT UINT64 *MaximumVariableStorageSize, - OUT UINT64 *RemainingVariableStorageSize, - OUT UINT64 *MaximumVariableSize - ) -{ - *MaximumVariableStorageSize = mMaximumVariableStorageSize; - *RemainingVariableStorageSize = mRemainingVariableStorageSize; - *MaximumVariableStorageSize = mRemainingVariableStorageSize; - return EFI_SUCCESS; -} - - -VOID -LibVariableVirtualAddressChangeEvent (VOID) -{ - EfiConvertPointer (0, (VOID **)&mVariableArray); - EfiConvertPointer (0, (VOID **)&mVariableArrayNextFree); - EfiConvertPointer (0, (VOID **)&mVariableArrayEnd); -} - - -VOID -LibVariableInitialize (VOID) -{ - UINTN Size; - - Size = PcdGet32 (PcdEmbeddedMemVariableStoreSize); - mVariableArray = mVariableArrayNextFree = (VARIABLE_ARRAY_ENTRY *)AllocateRuntimePool (Size); - ASSERT (mVariableArray != NULL); - - mVariableArrayEnd = (VARIABLE_ARRAY_ENTRY *)(((UINT8 *)mVariableArray) + Size); - - mMaximumVariableStorageSize = Size - sizeof (VARIABLE_ARRAY_ENTRY); - mRemainingVariableStorageSize = mMaximumVariableStorageSize; - mMaximumVariableSize = mMaximumVariableStorageSize; -} - -- cgit v1.2.3