deleted file mode 100644
@@ -1,288 +0,0 @@
-/** @file
- Generic Capsule services
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- 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 <Common/CapsuleName.h>
-
-
-//
-//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 resetting 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 resetting 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
- )
-{
-}
deleted file mode 100644
@@ -1,226 +0,0 @@
-/** @file
- Generic Monotonic Counter services
-
- Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- 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);
-}
-
deleted file mode 100644
@@ -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.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- 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;
-}
-
-
-
deleted file mode 100644
@@ -1,63 +0,0 @@
-/** @file
- Simple PC Port 0x92 reset driver
-
- Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- 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);
-}
-
deleted file mode 100644
@@ -1,862 +0,0 @@
-/** @file
- Simple PC RTC
-
- Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- 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 parameters 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;
-}
-
-
deleted file mode 100644
@@ -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.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- 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;
-}
-
HalRuntimeServicesExampleLib contains no .inf and none of its contents are included elsewhere - so get rid of it. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> --- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Capsule.c | 288 ------- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Mtc.c | 226 ----- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/ReportStatusCode.c | 198 ----- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Reset.c | 63 -- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Rtc.c | 862 -------------------- EmbeddedPkg/Library/HalRuntimeServicesExampleLib/Variable.c | 306 ------- 6 files changed, 1943 deletions(-) -- 2.11.0 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel