MdeModulePkg/DxeCore: Add UEFI image protection.

[mirror_edk2.git] / MdeModulePkg / Core / Dxe / DxeMain.h

/** @file\r
  The internal header file includes the common header files, defines\r
  internal structure and functions used by DxeCore module.\r
\r
Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _DXE_MAIN_H_\r
#define _DXE_MAIN_H_\r
\r
\r
\r
#include <PiDxe.h>\r
\r
#include <Protocol/LoadedImage.h>\r
#include <Protocol/GuidedSectionExtraction.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/Runtime.h>\r
#include <Protocol/LoadFile.h>\r
#include <Protocol/LoadFile2.h>\r
#include <Protocol/DriverBinding.h>\r
#include <Protocol/VariableWrite.h>\r
#include <Protocol/PlatformDriverOverride.h>\r
#include <Protocol/Variable.h>\r
#include <Protocol/Timer.h>\r
#include <Protocol/SimpleFileSystem.h>\r
#include <Protocol/Bds.h>\r
#include <Protocol/RealTimeClock.h>\r
#include <Protocol/WatchdogTimer.h>\r
#include <Protocol/FirmwareVolume2.h>\r
#include <Protocol/MonotonicCounter.h>\r
#include <Protocol/StatusCode.h>\r
#include <Protocol/Decompress.h>\r
#include <Protocol/LoadPe32Image.h>\r
#include <Protocol/Security.h>\r
#include <Protocol/Security2.h>\r
#include <Protocol/Ebc.h>\r
#include <Protocol/Reset.h>\r
#include <Protocol/Cpu.h>\r
#include <Protocol/Metronome.h>\r
#include <Protocol/FirmwareVolumeBlock.h>\r
#include <Protocol/Capsule.h>\r
#include <Protocol/BusSpecificDriverOverride.h>\r
#include <Protocol/DriverFamilyOverride.h>\r
#include <Protocol/TcgService.h>\r
#include <Protocol/HiiPackageList.h>\r
#include <Protocol/SmmBase2.h>\r
#include <Guid/MemoryTypeInformation.h>\r
#include <Guid/FirmwareFileSystem2.h>\r
#include <Guid/FirmwareFileSystem3.h>\r
#include <Guid/HobList.h>\r
#include <Guid/DebugImageInfoTable.h>\r
#include <Guid/FileInfo.h>\r
#include <Guid/Apriori.h>\r
#include <Guid/DxeServices.h>\r
#include <Guid/MemoryAllocationHob.h>\r
#include <Guid/EventLegacyBios.h>\r
#include <Guid/EventGroup.h>\r
#include <Guid/EventExitBootServiceFailed.h>\r
#include <Guid/LoadModuleAtFixedAddress.h>\r
#include <Guid/IdleLoopEvent.h>\r
#include <Guid/VectorHandoffTable.h>\r
#include <Ppi/VectorHandoffInfo.h>\r
#include <Guid/MemoryProfile.h>\r
\r
#include <Library/DxeCoreEntryPoint.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PerformanceLib.h>\r
#include <Library/UefiDecompressLib.h>\r
#include <Library/ExtractGuidedSectionLib.h>\r
#include <Library/CacheMaintenanceLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/PeCoffLib.h>\r
#include <Library/PeCoffGetEntryPointLib.h>\r
#include <Library/PeCoffExtraActionLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/TimerLib.h>\r
#include <Library/DxeServicesLib.h>\r
#include <Library/DebugAgentLib.h>\r
#include <Library/CpuExceptionHandlerLib.h>\r
\r
\r
//\r
// attributes for reserved memory before it is promoted to system memory\r
//\r
#define EFI_MEMORY_PRESENT      0x0100000000000000ULL\r
#define EFI_MEMORY_INITIALIZED  0x0200000000000000ULL\r
#define EFI_MEMORY_TESTED       0x0400000000000000ULL\r
\r
//\r
// range for memory mapped port I/O on IPF\r
//\r
#define EFI_MEMORY_PORT_IO  0x4000000000000000ULL\r
\r
\r
///\r
/// EFI_DEP_REPLACE_TRUE - Used to dynamically patch the dependency expression\r
///                        to save time.  A EFI_DEP_PUSH is evaluated one an\r
///                        replaced with EFI_DEP_REPLACE_TRUE. If PI spec's Vol 2\r
///                        Driver Execution Environment Core Interface use 0xff\r
///                        as new DEPEX opcode. EFI_DEP_REPLACE_TRUE should be\r
///                        defined to a new value that is not conflicting with PI spec.\r
///\r
#define EFI_DEP_REPLACE_TRUE  0xff\r
\r
///\r
/// Define the initial size of the dependency expression evaluation stack\r
///\r
#define DEPEX_STACK_SIZE_INCREMENT  0x1000\r
\r
#if defined (MDE_CPU_IPF)\r
///\r
/// For Itanium machines make the default allocations 8K aligned\r
///\r
#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT  (EFI_PAGE_SIZE * 2)\r
#define DEFAULT_PAGE_ALLOCATION                     (EFI_PAGE_SIZE * 2)\r
\r
#elif defined (MDE_CPU_AARCH64)\r
///\r
/// 64-bit ARM systems allow the OS to execute with 64 KB page size,\r
/// so for improved interoperability with the firmware, align the\r
/// runtime regions to 64 KB as well\r
///\r
#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT  (SIZE_64KB)\r
#define DEFAULT_PAGE_ALLOCATION                     (EFI_PAGE_SIZE)\r
\r
#else\r
///\r
/// For generic EFI machines make the default allocations 4K aligned\r
///\r
#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT  (EFI_PAGE_SIZE)\r
#define DEFAULT_PAGE_ALLOCATION                     (EFI_PAGE_SIZE)\r
\r
#endif\r
\r
typedef struct {\r
  EFI_GUID                    *ProtocolGuid;\r
  VOID                        **Protocol;\r
  EFI_EVENT                   Event;\r
  VOID                        *Registration;\r
  BOOLEAN                     Present;\r
} EFI_CORE_PROTOCOL_NOTIFY_ENTRY;\r
\r
//\r
// DXE Dispatcher Data structures\r
//\r
\r
#define KNOWN_HANDLE_SIGNATURE  SIGNATURE_32('k','n','o','w')\r
typedef struct {\r
  UINTN           Signature;\r
  LIST_ENTRY      Link;         // mFvHandleList\r
  EFI_HANDLE      Handle;\r
  EFI_GUID        FvNameGuid;\r
} KNOWN_HANDLE;\r
\r
\r
#define EFI_CORE_DRIVER_ENTRY_SIGNATURE SIGNATURE_32('d','r','v','r')\r
typedef struct {\r
  UINTN                           Signature;\r
  LIST_ENTRY                      Link;             // mDriverList\r
\r
  LIST_ENTRY                      ScheduledLink;    // mScheduledQueue\r
\r
  EFI_HANDLE                      FvHandle;\r
  EFI_GUID                        FileName;\r
  EFI_DEVICE_PATH_PROTOCOL        *FvFileDevicePath;\r
  EFI_FIRMWARE_VOLUME2_PROTOCOL   *Fv;\r
\r
  VOID                            *Depex;\r
  UINTN                           DepexSize;\r
\r
  BOOLEAN                         Before;\r
  BOOLEAN                         After;\r
  EFI_GUID                        BeforeAfterGuid;\r
\r
  BOOLEAN                         Dependent;\r
  BOOLEAN                         Unrequested;\r
  BOOLEAN                         Scheduled;\r
  BOOLEAN                         Untrusted;\r
  BOOLEAN                         Initialized;\r
  BOOLEAN                         DepexProtocolError;\r
\r
  EFI_HANDLE                      ImageHandle;\r
  BOOLEAN                         IsFvImage;\r
\r
} EFI_CORE_DRIVER_ENTRY;\r
\r
//\r
//The data structure of GCD memory map entry\r
//\r
#define EFI_GCD_MAP_SIGNATURE  SIGNATURE_32('g','c','d','m')\r
typedef struct {\r
  UINTN                 Signature;\r
  LIST_ENTRY            Link;\r
  EFI_PHYSICAL_ADDRESS  BaseAddress;\r
  UINT64                EndAddress;\r
  UINT64                Capabilities;\r
  UINT64                Attributes;\r
  EFI_GCD_MEMORY_TYPE   GcdMemoryType;\r
  EFI_GCD_IO_TYPE       GcdIoType;\r
  EFI_HANDLE            ImageHandle;\r
  EFI_HANDLE            DeviceHandle;\r
} EFI_GCD_MAP_ENTRY;\r
\r
\r
#define LOADED_IMAGE_PRIVATE_DATA_SIGNATURE   SIGNATURE_32('l','d','r','i')\r
\r
typedef struct {\r
  UINTN                       Signature;\r
  /// Image handle\r
  EFI_HANDLE                  Handle;   \r
  /// Image type\r
  UINTN                       Type;           \r
  /// If entrypoint has been called\r
  BOOLEAN                     Started;        \r
  /// The image's entry point\r
  EFI_IMAGE_ENTRY_POINT       EntryPoint;     \r
  /// loaded image protocol\r
  EFI_LOADED_IMAGE_PROTOCOL   Info;           \r
  /// Location in memory\r
  EFI_PHYSICAL_ADDRESS        ImageBasePage;  \r
  /// Number of pages\r
  UINTN                       NumberOfPages;  \r
  /// Original fixup data\r
  CHAR8                       *FixupData;     \r
  /// Tpl of started image\r
  EFI_TPL                     Tpl;            \r
  /// Status returned by started image\r
  EFI_STATUS                  Status;         \r
  /// Size of ExitData from started image\r
  UINTN                       ExitDataSize;   \r
  /// Pointer to exit data from started image\r
  VOID                        *ExitData;      \r
  /// Pointer to pool allocation for context save/restore\r
  VOID                        *JumpBuffer;    \r
  /// Pointer to buffer for context save/restore\r
  BASE_LIBRARY_JUMP_BUFFER    *JumpContext;  \r
  /// Machine type from PE image\r
  UINT16                      Machine;        \r
  /// EBC Protocol pointer\r
  EFI_EBC_PROTOCOL            *Ebc;           \r
  /// Runtime image list\r
  EFI_RUNTIME_IMAGE_ENTRY     *RuntimeData;   \r
  /// Pointer to Loaded Image Device Path Protocol\r
  EFI_DEVICE_PATH_PROTOCOL    *LoadedImageDevicePath;  \r
  /// PeCoffLoader ImageContext\r
  PE_COFF_LOADER_IMAGE_CONTEXT  ImageContext; \r
  /// Status returned by LoadImage() service.\r
  EFI_STATUS                  LoadImageStatus;\r
} LOADED_IMAGE_PRIVATE_DATA;\r
\r
#define LOADED_IMAGE_PRIVATE_DATA_FROM_THIS(a) \\r
          CR(a, LOADED_IMAGE_PRIVATE_DATA, Info, LOADED_IMAGE_PRIVATE_DATA_SIGNATURE)\r
\r
#define IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE SIGNATURE_32 ('I','P','R','C')\r
\r
typedef struct {\r
  UINT32                 Signature;\r
  LIST_ENTRY             Link;\r
  EFI_PHYSICAL_ADDRESS   CodeSegmentBase;\r
  UINT64                 CodeSegmentSize;\r
} IMAGE_PROPERTIES_RECORD_CODE_SECTION;\r
\r
#define IMAGE_PROPERTIES_RECORD_SIGNATURE SIGNATURE_32 ('I','P','R','D')\r
\r
typedef struct {\r
  UINT32                 Signature;\r
  LIST_ENTRY             Link;\r
  EFI_PHYSICAL_ADDRESS   ImageBase;\r
  UINT64                 ImageSize;\r
  UINTN                  CodeSegmentCount;\r
  LIST_ENTRY             CodeSegmentList;\r
} IMAGE_PROPERTIES_RECORD;\r
\r
//\r
// DXE Core Global Variables\r
//\r
extern EFI_SYSTEM_TABLE                         *gDxeCoreST;\r
extern EFI_RUNTIME_SERVICES                     *gDxeCoreRT;\r
extern EFI_DXE_SERVICES                         *gDxeCoreDS;\r
extern EFI_HANDLE                               gDxeCoreImageHandle;\r
\r
extern BOOLEAN                                  gMemoryMapTerminated;\r
\r
extern EFI_DECOMPRESS_PROTOCOL                  gEfiDecompress;\r
\r
extern EFI_RUNTIME_ARCH_PROTOCOL                *gRuntime;\r
extern EFI_CPU_ARCH_PROTOCOL                    *gCpu;\r
extern EFI_WATCHDOG_TIMER_ARCH_PROTOCOL         *gWatchdogTimer;\r
extern EFI_METRONOME_ARCH_PROTOCOL              *gMetronome;\r
extern EFI_TIMER_ARCH_PROTOCOL                  *gTimer;\r
extern EFI_SECURITY_ARCH_PROTOCOL               *gSecurity;\r
extern EFI_SECURITY2_ARCH_PROTOCOL              *gSecurity2;\r
extern EFI_BDS_ARCH_PROTOCOL                    *gBds;\r
extern EFI_SMM_BASE2_PROTOCOL                   *gSmmBase2;\r
\r
extern EFI_TPL                                  gEfiCurrentTpl;\r
\r
extern EFI_GUID                                 *gDxeCoreFileName;\r
extern EFI_LOADED_IMAGE_PROTOCOL                *gDxeCoreLoadedImage;\r
\r
extern EFI_MEMORY_TYPE_INFORMATION              gMemoryTypeInformation[EfiMaxMemoryType + 1];\r
\r
extern BOOLEAN                                  gDispatcherRunning;\r
extern EFI_RUNTIME_ARCH_PROTOCOL                gRuntimeTemplate;\r
\r
extern EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE    gLoadModuleAtFixAddressConfigurationTable;\r
extern BOOLEAN                                       gLoadFixedAddressCodeMemoryReady;\r
//\r
// Service Initialization Functions\r
//\r
\r
\r
\r
/**\r
  Called to initialize the pool.\r
\r
**/\r
VOID\r
CoreInitializePool (\r
  VOID\r
  );\r
\r
\r
/**\r
  Called to initialize the memory map and add descriptors to\r
  the current descriptor list.\r
  The first descriptor that is added must be general usable\r
  memory as the addition allocates heap.\r
\r
  @param  Type                   The type of memory to add\r
  @param  Start                  The starting address in the memory range Must be\r
                                 page aligned\r
  @param  NumberOfPages          The number of pages in the range\r
  @param  Attribute              Attributes of the memory to add\r
\r
  @return None.  The range is added to the memory map\r
\r
**/\r
VOID\r
CoreAddMemoryDescriptor (\r
  IN EFI_MEMORY_TYPE       Type,\r
  IN EFI_PHYSICAL_ADDRESS  Start,\r
  IN UINT64                NumberOfPages,\r
  IN UINT64                Attribute\r
  );\r
\r
\r
/**\r
  Release memory lock on mGcdMemorySpaceLock.\r
\r
**/\r
VOID\r
CoreReleaseGcdMemoryLock (\r
  VOID\r
  );\r
\r
\r
/**\r
  Acquire memory lock on mGcdMemorySpaceLock.\r
\r
**/\r
VOID\r
CoreAcquireGcdMemoryLock (\r
  VOID\r
  );\r
\r
\r
/**\r
  External function. Initializes memory services based on the memory\r
  descriptor HOBs.  This function is responsible for priming the memory\r
  map, so memory allocations and resource allocations can be made.\r
  The first part of this function can not depend on any memory services\r
  until at least one memory descriptor is provided to the memory services.\r
\r
  @param  HobStart               The start address of the HOB.\r
  @param  MemoryBaseAddress      Start address of memory region found to init DXE\r
                                 core.\r
  @param  MemoryLength           Length of memory region found to init DXE core.\r
\r
  @retval EFI_SUCCESS            Memory services successfully initialized.\r
\r
**/\r
EFI_STATUS\r
CoreInitializeMemoryServices (\r
  IN  VOID                  **HobStart,\r
  OUT EFI_PHYSICAL_ADDRESS  *MemoryBaseAddress,\r
  OUT UINT64                *MemoryLength\r
  );\r
\r
\r
\r
/**\r
  External function. Initializes the GCD and memory services based on the memory\r
  descriptor HOBs.  This function is responsible for priming the GCD map and the\r
  memory map, so memory allocations and resource allocations can be made. The\r
  HobStart will be relocated to a pool buffer.\r
\r
  @param  HobStart               The start address of the HOB\r
  @param  MemoryBaseAddress      Start address of memory region found to init DXE\r
                                 core.\r
  @param  MemoryLength           Length of memory region found to init DXE core.\r
\r
  @retval EFI_SUCCESS            GCD services successfully initialized.\r
\r
**/\r
EFI_STATUS\r
CoreInitializeGcdServices (\r
  IN OUT VOID              **HobStart,\r
  IN EFI_PHYSICAL_ADDRESS  MemoryBaseAddress,\r
  IN UINT64                MemoryLength\r
  );\r
\r
\r
/**\r
  Initializes "event" support.\r
\r
  @retval EFI_SUCCESS            Always return success\r
\r
**/\r
EFI_STATUS\r
CoreInitializeEventServices (\r
  VOID\r
  );\r
\r
\r
/**\r
  Add the Image Services to EFI Boot Services Table and install the protocol\r
  interfaces for this image.\r
\r
  @param  HobStart                The HOB to initialize\r
\r
  @return Status code.\r
\r
**/\r
EFI_STATUS\r
CoreInitializeImageServices (\r
  IN  VOID *HobStart\r
  );\r
\r
\r
/**\r
  Creates an event that is fired everytime a Protocol of a specific type is installed.\r
\r
**/\r
VOID\r
CoreNotifyOnProtocolInstallation (\r
  VOID\r
  );\r
\r
\r
/**\r
  Return TRUE if all AP services are available.\r
\r
  @retval EFI_SUCCESS    All AP services are available\r
  @retval EFI_NOT_FOUND  At least one AP service is not available\r
\r
**/\r
EFI_STATUS\r
CoreAllEfiServicesAvailable (\r
  VOID\r
  );\r
\r
\r
/**\r
  Calcualte the 32-bit CRC in a EFI table using the service provided by the\r
  gRuntime service.\r
\r
  @param  Hdr                    Pointer to an EFI standard header\r
\r
**/\r
VOID\r
CalculateEfiHdrCrc (\r
  IN  OUT EFI_TABLE_HEADER    *Hdr\r
  );\r
\r
\r
/**\r
  Called by the platform code to process a tick.\r
\r
  @param  Duration               The number of 100ns elapsed since the last call\r
                                 to TimerTick\r
\r
**/\r
VOID\r
EFIAPI\r
CoreTimerTick (\r
  IN UINT64   Duration\r
  );\r
\r
\r
/**\r
  Initialize the dispatcher. Initialize the notification function that runs when\r
  an FV2 protocol is added to the system.\r
\r
**/\r
VOID\r
CoreInitializeDispatcher (\r
  VOID\r
  );\r
\r
\r
/**\r
  This is the POSTFIX version of the dependency evaluator.  This code does\r
  not need to handle Before or After, as it is not valid to call this\r
  routine in this case. The SOR is just ignored and is a nop in the grammer.\r
  POSTFIX means all the math is done on top of the stack.\r
\r
  @param  DriverEntry           DriverEntry element to update.\r
\r
  @retval TRUE                  If driver is ready to run.\r
  @retval FALSE                 If driver is not ready to run or some fatal error\r
                                was found.\r
\r
**/\r
BOOLEAN\r
CoreIsSchedulable (\r
  IN  EFI_CORE_DRIVER_ENTRY   *DriverEntry\r
  );\r
\r
\r
/**\r
  Preprocess dependency expression and update DriverEntry to reflect the\r
  state of  Before, After, and SOR dependencies. If DriverEntry->Before\r
  or DriverEntry->After is set it will never be cleared. If SOR is set\r
  it will be cleared by CoreSchedule(), and then the driver can be\r
  dispatched.\r
\r
  @param  DriverEntry           DriverEntry element to update .\r
\r
  @retval EFI_SUCCESS           It always works.\r
\r
**/\r
EFI_STATUS\r
CorePreProcessDepex (\r
  IN  EFI_CORE_DRIVER_ENTRY   *DriverEntry\r
  );\r
\r
\r
\r
/**\r
  Terminates all boot services.\r
\r
  @param  ImageHandle            Handle that identifies the exiting image.\r
  @param  MapKey                 Key to the latest memory map.\r
\r
  @retval EFI_SUCCESS            Boot Services terminated\r
  @retval EFI_INVALID_PARAMETER  MapKey is incorrect.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreExitBootServices (\r
  IN EFI_HANDLE   ImageHandle,\r
  IN UINTN        MapKey\r
  );\r
\r
\r
/**\r
  Make sure the memory map is following all the construction rules,\r
  it is the last time to check memory map error before exit boot services.\r
\r
  @param  MapKey                 Memory map key\r
\r
  @retval EFI_INVALID_PARAMETER  Memory map not consistent with construction\r
                                 rules.\r
  @retval EFI_SUCCESS            Valid memory map.\r
\r
**/\r
EFI_STATUS\r
CoreTerminateMemoryMap (\r
  IN UINTN          MapKey\r
  );\r
\r
\r
/**\r
  Signals all events in the EventGroup.\r
\r
  @param  EventGroup             The list to signal\r
\r
**/\r
VOID\r
CoreNotifySignalList (\r
  IN EFI_GUID     *EventGroup\r
  );\r
\r
\r
\r
/**\r
  Boot Service called to add, modify, or remove a system configuration table from\r
  the EFI System Table.\r
\r
  @param  Guid           Pointer to the GUID for the entry to add, update, or\r
                         remove\r
  @param  Table          Pointer to the configuration table for the entry to add,\r
                         update, or remove, may be NULL.\r
\r
  @return EFI_SUCCESS               Guid, Table pair added, updated, or removed.\r
  @return EFI_INVALID_PARAMETER     Input GUID not valid.\r
  @return EFI_NOT_FOUND             Attempted to delete non-existant entry\r
  @return EFI_OUT_OF_RESOURCES      Not enough memory available\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreInstallConfigurationTable (\r
  IN EFI_GUID *Guid,\r
  IN VOID     *Table\r
  );\r
\r
\r
\r
/**\r
  Raise the task priority level to the new level.\r
  High level is implemented by disabling processor interrupts.\r
\r
  @param  NewTpl  New task priority level\r
\r
  @return The previous task priority level\r
\r
**/\r
EFI_TPL\r
EFIAPI\r
CoreRaiseTpl (\r
  IN EFI_TPL      NewTpl\r
  );\r
\r
\r
\r
/**\r
  Lowers the task priority to the previous value.   If the new\r
  priority unmasks events at a higher priority, they are dispatched.\r
\r
  @param  NewTpl  New, lower, task priority\r
\r
**/\r
VOID\r
EFIAPI\r
CoreRestoreTpl (\r
  IN EFI_TPL NewTpl\r
  );\r
\r
\r
\r
/**\r
  Introduces a fine-grained stall.\r
\r
  @param  Microseconds           The number of microseconds to stall execution.\r
\r
  @retval EFI_SUCCESS            Execution was stalled for at least the requested\r
                                 amount of microseconds.\r
  @retval EFI_NOT_AVAILABLE_YET  gMetronome is not available yet\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreStall (\r
  IN UINTN            Microseconds\r
  );\r
\r
\r
\r
/**\r
  Sets the system's watchdog timer.\r
\r
  @param  Timeout         The number of seconds to set the watchdog timer to.\r
                          A value of zero disables the timer.\r
  @param  WatchdogCode    The numeric code to log on a watchdog timer timeout\r
                          event. The firmware reserves codes 0x0000 to 0xFFFF.\r
                          Loaders and operating systems may use other timeout\r
                          codes.\r
  @param  DataSize        The size, in bytes, of WatchdogData.\r
  @param  WatchdogData    A data buffer that includes a Null-terminated Unicode\r
                          string, optionally followed by additional binary data.\r
                          The string is a description that the call may use to\r
                          further indicate the reason to be logged with a\r
                          watchdog event.\r
\r
  @return EFI_SUCCESS               Timeout has been set\r
  @return EFI_NOT_AVAILABLE_YET     WatchdogTimer is not available yet\r
  @return EFI_UNSUPPORTED           System does not have a timer (currently not used)\r
  @return EFI_DEVICE_ERROR          Could not complete due to hardware error\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSetWatchdogTimer (\r
  IN UINTN    Timeout,\r
  IN UINT64   WatchdogCode,\r
  IN UINTN    DataSize,\r
  IN CHAR16   *WatchdogData OPTIONAL\r
  );\r
\r
\r
\r
/**\r
  Wrapper function to CoreInstallProtocolInterfaceNotify.  This is the public API which\r
  Calls the private one which contains a BOOLEAN parameter for notifications\r
\r
  @param  UserHandle             The handle to install the protocol handler on,\r
                                 or NULL if a new handle is to be allocated\r
  @param  Protocol               The protocol to add to the handle\r
  @param  InterfaceType          Indicates whether Interface is supplied in\r
                                 native form.\r
  @param  Interface              The interface for the protocol being added\r
\r
  @return Status code\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreInstallProtocolInterface (\r
  IN OUT EFI_HANDLE     *UserHandle,\r
  IN EFI_GUID           *Protocol,\r
  IN EFI_INTERFACE_TYPE InterfaceType,\r
  IN VOID               *Interface\r
  );\r
\r
\r
/**\r
  Installs a protocol interface into the boot services environment.\r
\r
  @param  UserHandle             The handle to install the protocol handler on,\r
                                 or NULL if a new handle is to be allocated\r
  @param  Protocol               The protocol to add to the handle\r
  @param  InterfaceType          Indicates whether Interface is supplied in\r
                                 native form.\r
  @param  Interface              The interface for the protocol being added\r
  @param  Notify                 indicates whether notify the notification list\r
                                 for this protocol\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_OUT_OF_RESOURCES   No enough buffer to allocate\r
  @retval EFI_SUCCESS            Protocol interface successfully installed\r
\r
**/\r
EFI_STATUS\r
CoreInstallProtocolInterfaceNotify (\r
  IN OUT EFI_HANDLE     *UserHandle,\r
  IN EFI_GUID           *Protocol,\r
  IN EFI_INTERFACE_TYPE InterfaceType,\r
  IN VOID               *Interface,\r
  IN BOOLEAN            Notify\r
  );\r
\r
\r
\r
/**\r
  Installs a list of protocol interface into the boot services environment.\r
  This function calls InstallProtocolInterface() in a loop. If any error\r
  occures all the protocols added by this function are removed. This is\r
  basically a lib function to save space.\r
\r
  @param  Handle                 The handle to install the protocol handlers on,\r
                                 or NULL if a new handle is to be allocated\r
  @param  ...                    EFI_GUID followed by protocol instance. A NULL\r
                                 terminates the  list. The pairs are the\r
                                 arguments to InstallProtocolInterface(). All the\r
                                 protocols are added to Handle.\r
\r
  @retval EFI_SUCCESS            All the protocol interface was installed.\r
  @retval EFI_OUT_OF_RESOURCES   There was not enough memory in pool to install all the protocols.\r
  @retval EFI_ALREADY_STARTED    A Device Path Protocol instance was passed in that is already present in\r
                                 the handle database.\r
  @retval EFI_INVALID_PARAMETER  Handle is NULL.\r
  @retval EFI_INVALID_PARAMETER  Protocol is already installed on the handle specified by Handle.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreInstallMultipleProtocolInterfaces (\r
  IN OUT EFI_HANDLE           *Handle,\r
  ...\r
  );\r
\r
\r
\r
/**\r
  Uninstalls a list of protocol interface in the boot services environment.\r
  This function calls UnisatllProtocolInterface() in a loop. This is\r
  basically a lib function to save space.\r
\r
  @param  Handle                 The handle to uninstall the protocol\r
  @param  ...                    EFI_GUID followed by protocol instance. A NULL\r
                                 terminates the  list. The pairs are the\r
                                 arguments to UninstallProtocolInterface(). All\r
                                 the protocols are added to Handle.\r
\r
  @return Status code\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreUninstallMultipleProtocolInterfaces (\r
  IN EFI_HANDLE           Handle,\r
  ...\r
  );\r
\r
\r
\r
/**\r
  Reinstall a protocol interface on a device handle.  The OldInterface for Protocol is replaced by the NewInterface.\r
\r
  @param  UserHandle             Handle on which the interface is to be\r
                                 reinstalled\r
  @param  Protocol               The numeric ID of the interface\r
  @param  OldInterface           A pointer to the old interface\r
  @param  NewInterface           A pointer to the new interface\r
\r
  @retval EFI_SUCCESS            The protocol interface was installed\r
  @retval EFI_NOT_FOUND          The OldInterface on the handle was not found\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreReinstallProtocolInterface (\r
  IN EFI_HANDLE     UserHandle,\r
  IN EFI_GUID       *Protocol,\r
  IN VOID           *OldInterface,\r
  IN VOID           *NewInterface\r
  );\r
\r
\r
\r
/**\r
  Uninstalls all instances of a protocol:interfacer from a handle.\r
  If the last protocol interface is remove from the handle, the\r
  handle is freed.\r
\r
  @param  UserHandle             The handle to remove the protocol handler from\r
  @param  Protocol               The protocol, of protocol:interface, to remove\r
  @param  Interface              The interface, of protocol:interface, to remove\r
\r
  @retval EFI_INVALID_PARAMETER  Protocol is NULL.\r
  @retval EFI_SUCCESS            Protocol interface successfully uninstalled.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreUninstallProtocolInterface (\r
  IN EFI_HANDLE       UserHandle,\r
  IN EFI_GUID         *Protocol,\r
  IN VOID             *Interface\r
  );\r
\r
\r
\r
/**\r
  Queries a handle to determine if it supports a specified protocol.\r
\r
  @param  UserHandle             The handle being queried.\r
  @param  Protocol               The published unique identifier of the protocol.\r
  @param  Interface              Supplies the address where a pointer to the\r
                                 corresponding Protocol Interface is returned.\r
\r
  @return The requested protocol interface for the handle\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreHandleProtocol (\r
  IN EFI_HANDLE       UserHandle,\r
  IN EFI_GUID         *Protocol,\r
  OUT VOID            **Interface\r
  );\r
\r
\r
\r
/**\r
  Locates the installed protocol handler for the handle, and\r
  invokes it to obtain the protocol interface. Usage information\r
  is registered in the protocol data base.\r
\r
  @param  UserHandle             The handle to obtain the protocol interface on\r
  @param  Protocol               The ID of the protocol\r
  @param  Interface              The location to return the protocol interface\r
  @param  ImageHandle            The handle of the Image that is opening the\r
                                 protocol interface specified by Protocol and\r
                                 Interface.\r
  @param  ControllerHandle       The controller handle that is requiring this\r
                                 interface.\r
  @param  Attributes             The open mode of the protocol interface\r
                                 specified by Handle and Protocol.\r
\r
  @retval EFI_INVALID_PARAMETER  Protocol is NULL.\r
  @retval EFI_SUCCESS            Get the protocol interface.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreOpenProtocol (\r
  IN  EFI_HANDLE                UserHandle,\r
  IN  EFI_GUID                  *Protocol,\r
  OUT VOID                      **Interface OPTIONAL,\r
  IN  EFI_HANDLE                ImageHandle,\r
  IN  EFI_HANDLE                ControllerHandle,\r
  IN  UINT32                    Attributes\r
  );\r
\r
\r
\r
/**\r
  Return information about Opened protocols in the system\r
\r
  @param  UserHandle             The handle to close the protocol interface on\r
  @param  Protocol               The ID of the protocol\r
  @param  EntryBuffer            A pointer to a buffer of open protocol\r
                                 information in the form of\r
                                 EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.\r
  @param  EntryCount             Number of EntryBuffer entries\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreOpenProtocolInformation (\r
  IN  EFI_HANDLE                          UserHandle,\r
  IN  EFI_GUID                            *Protocol,\r
  OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,\r
  OUT UINTN                               *EntryCount\r
  );\r
\r
\r
\r
/**\r
  Closes a protocol on a handle that was opened using OpenProtocol().\r
\r
  @param  UserHandle             The handle for the protocol interface that was\r
                                 previously opened with OpenProtocol(), and is\r
                                 now being closed.\r
  @param  Protocol               The published unique identifier of the protocol.\r
                                 It is the caller's responsibility to pass in a\r
                                 valid GUID.\r
  @param  AgentHandle            The handle of the agent that is closing the\r
                                 protocol interface.\r
  @param  ControllerHandle       If the agent that opened a protocol is a driver\r
                                 that follows the EFI Driver Model, then this\r
                                 parameter is the controller handle that required\r
                                 the protocol interface. If the agent does not\r
                                 follow the EFI Driver Model, then this parameter\r
                                 is optional and may be NULL.\r
\r
  @retval EFI_SUCCESS            The protocol instance was closed.\r
  @retval EFI_INVALID_PARAMETER  Handle, AgentHandle or ControllerHandle is not a\r
                                 valid EFI_HANDLE.\r
  @retval EFI_NOT_FOUND          Can not find the specified protocol or\r
                                 AgentHandle.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCloseProtocol (\r
  IN  EFI_HANDLE                UserHandle,\r
  IN  EFI_GUID                  *Protocol,\r
  IN  EFI_HANDLE                AgentHandle,\r
  IN  EFI_HANDLE                ControllerHandle\r
  );\r
\r
\r
\r
/**\r
  Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated\r
  from pool.\r
\r
  @param  UserHandle             The handle from which to retrieve the list of\r
                                 protocol interface GUIDs.\r
  @param  ProtocolBuffer         A pointer to the list of protocol interface GUID\r
                                 pointers that are installed on Handle.\r
  @param  ProtocolBufferCount    A pointer to the number of GUID pointers present\r
                                 in ProtocolBuffer.\r
\r
  @retval EFI_SUCCESS            The list of protocol interface GUIDs installed\r
                                 on Handle was returned in ProtocolBuffer. The\r
                                 number of protocol interface GUIDs was returned\r
                                 in ProtocolBufferCount.\r
  @retval EFI_INVALID_PARAMETER  Handle is NULL.\r
  @retval EFI_INVALID_PARAMETER  Handle is not a valid EFI_HANDLE.\r
  @retval EFI_INVALID_PARAMETER  ProtocolBuffer is NULL.\r
  @retval EFI_INVALID_PARAMETER  ProtocolBufferCount is NULL.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enough pool memory to store the\r
                                 results.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreProtocolsPerHandle (\r
  IN EFI_HANDLE       UserHandle,\r
  OUT EFI_GUID        ***ProtocolBuffer,\r
  OUT UINTN           *ProtocolBufferCount\r
  );\r
\r
\r
\r
/**\r
  Add a new protocol notification record for the request protocol.\r
\r
  @param  Protocol               The requested protocol to add the notify\r
                                 registration\r
  @param  Event                  The event to signal\r
  @param  Registration           Returns the registration record\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_SUCCESS            Successfully returned the registration record\r
                                 that has been added\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreRegisterProtocolNotify (\r
  IN EFI_GUID       *Protocol,\r
  IN EFI_EVENT      Event,\r
  OUT  VOID         **Registration\r
  );\r
\r
\r
/**\r
  Removes all the events in the protocol database that match Event.\r
\r
  @param  Event                  The event to search for in the protocol\r
                                 database.\r
\r
  @return EFI_SUCCESS when done searching the entire database.\r
\r
**/\r
EFI_STATUS\r
CoreUnregisterProtocolNotify (\r
  IN EFI_EVENT      Event\r
  );\r
\r
\r
/**\r
  Locates the requested handle(s) and returns them in Buffer.\r
\r
  @param  SearchType             The type of search to perform to locate the\r
                                 handles\r
  @param  Protocol               The protocol to search for\r
  @param  SearchKey              Dependant on SearchType\r
  @param  BufferSize             On input the size of Buffer.  On output the\r
                                 size of data returned.\r
  @param  Buffer                 The buffer to return the results in\r
\r
  @retval EFI_BUFFER_TOO_SMALL   Buffer too small, required buffer size is\r
                                 returned in BufferSize.\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_SUCCESS            Successfully found the requested handle(s) and\r
                                 returns them in Buffer.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreLocateHandle (\r
  IN EFI_LOCATE_SEARCH_TYPE   SearchType,\r
  IN EFI_GUID                 *Protocol   OPTIONAL,\r
  IN VOID                     *SearchKey  OPTIONAL,\r
  IN OUT UINTN                *BufferSize,\r
  OUT EFI_HANDLE              *Buffer\r
  );\r
\r
\r
\r
/**\r
  Locates the handle to a device on the device path that best matches the specified protocol.\r
\r
  @param  Protocol               The protocol to search for.\r
  @param  DevicePath             On input, a pointer to a pointer to the device\r
                                 path. On output, the device path pointer is\r
                                 modified to point to the remaining part of the\r
                                 devicepath.\r
  @param  Device                 A pointer to the returned device handle.\r
\r
  @retval EFI_SUCCESS            The resulting handle was returned.\r
  @retval EFI_NOT_FOUND          No handles matched the search.\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreLocateDevicePath (\r
  IN EFI_GUID                       *Protocol,\r
  IN OUT EFI_DEVICE_PATH_PROTOCOL   **DevicePath,\r
  OUT EFI_HANDLE                    *Device\r
  );\r
\r
\r
\r
/**\r
  Function returns an array of handles that support the requested protocol\r
  in a buffer allocated from pool. This is a version of CoreLocateHandle()\r
  that allocates a buffer for the caller.\r
\r
  @param  SearchType             Specifies which handle(s) are to be returned.\r
  @param  Protocol               Provides the protocol to search by.    This\r
                                 parameter is only valid for SearchType\r
                                 ByProtocol.\r
  @param  SearchKey              Supplies the search key depending on the\r
                                 SearchType.\r
  @param  NumberHandles          The number of handles returned in Buffer.\r
  @param  Buffer                 A pointer to the buffer to return the requested\r
                                 array of  handles that support Protocol.\r
\r
  @retval EFI_SUCCESS            The result array of handles was returned.\r
  @retval EFI_NOT_FOUND          No handles match the search.\r
  @retval EFI_OUT_OF_RESOURCES   There is not enough pool memory to store the\r
                                 matching results.\r
  @retval EFI_INVALID_PARAMETER  One or more parameters are not valid.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreLocateHandleBuffer (\r
  IN EFI_LOCATE_SEARCH_TYPE       SearchType,\r
  IN EFI_GUID                     *Protocol OPTIONAL,\r
  IN VOID                         *SearchKey OPTIONAL,\r
  IN OUT UINTN                    *NumberHandles,\r
  OUT EFI_HANDLE                  **Buffer\r
  );\r
\r
\r
\r
/**\r
  Return the first Protocol Interface that matches the Protocol GUID. If\r
  Registration is passed in, return a Protocol Instance that was just add\r
  to the system. If Registration is NULL return the first Protocol Interface\r
  you find.\r
\r
  @param  Protocol               The protocol to search for\r
  @param  Registration           Optional Registration Key returned from\r
                                 RegisterProtocolNotify()\r
  @param  Interface              Return the Protocol interface (instance).\r
\r
  @retval EFI_SUCCESS            If a valid Interface is returned\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_NOT_FOUND          Protocol interface not found\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreLocateProtocol (\r
  IN  EFI_GUID  *Protocol,\r
  IN  VOID      *Registration OPTIONAL,\r
  OUT VOID      **Interface\r
  );\r
\r
\r
/**\r
  return handle database key.\r
\r
\r
  @return Handle database key.\r
\r
**/\r
UINT64\r
CoreGetHandleDatabaseKey (\r
  VOID\r
  );\r
\r
\r
/**\r
  Go connect any handles that were created or modified while a image executed.\r
\r
  @param  Key                    The Key to show that the handle has been\r
                                 created/modified\r
\r
**/\r
VOID\r
CoreConnectHandlesByKey (\r
  UINT64  Key\r
  );\r
\r
\r
\r
/**\r
  Connects one or more drivers to a controller.\r
\r
  @param  ControllerHandle      The handle of the controller to which driver(s) are to be connected.\r
  @param  DriverImageHandle     A pointer to an ordered list handles that support the\r
                                EFI_DRIVER_BINDING_PROTOCOL.\r
  @param  RemainingDevicePath   A pointer to the device path that specifies a child of the\r
                                controller specified by ControllerHandle.\r
  @param  Recursive             If TRUE, then ConnectController() is called recursively\r
                                until the entire tree of controllers below the controller specified\r
                                by ControllerHandle have been created. If FALSE, then\r
                                the tree of controllers is only expanded one level.\r
\r
  @retval EFI_SUCCESS           1) One or more drivers were connected to ControllerHandle.\r
                                2) No drivers were connected to ControllerHandle, but\r
                                RemainingDevicePath is not NULL, and it is an End Device\r
                                Path Node.\r
  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
  @retval EFI_NOT_FOUND         1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
                                present in the system.\r
                                2) No drivers were connected to ControllerHandle.\r
  @retval EFI_SECURITY_VIOLATION \r
                                The user has no permission to start UEFI device drivers on the device path \r
                                associated with the ControllerHandle or specified by the RemainingDevicePath.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreConnectController (\r
  IN  EFI_HANDLE                ControllerHandle,\r
  IN  EFI_HANDLE                *DriverImageHandle    OPTIONAL,\r
  IN  EFI_DEVICE_PATH_PROTOCOL  *RemainingDevicePath  OPTIONAL,\r
  IN  BOOLEAN                   Recursive\r
  );\r
\r
\r
\r
/**\r
  Disonnects a controller from a driver\r
\r
  @param  ControllerHandle                      ControllerHandle The handle of\r
                                                the controller from which\r
                                                driver(s)  are to be\r
                                                disconnected.\r
  @param  DriverImageHandle                     DriverImageHandle The driver to\r
                                                disconnect from ControllerHandle.\r
  @param  ChildHandle                           ChildHandle The handle of the\r
                                                child to destroy.\r
\r
  @retval EFI_SUCCESS                           One or more drivers were\r
                                                disconnected from the controller.\r
  @retval EFI_SUCCESS                           On entry, no drivers are managing\r
                                                ControllerHandle.\r
  @retval EFI_SUCCESS                           DriverImageHandle is not NULL,\r
                                                and on entry DriverImageHandle is\r
                                                not managing ControllerHandle.\r
  @retval EFI_INVALID_PARAMETER                 ControllerHandle is NULL.\r
  @retval EFI_INVALID_PARAMETER                 DriverImageHandle is not NULL,\r
                                                and it is not a valid EFI_HANDLE.\r
  @retval EFI_INVALID_PARAMETER                 ChildHandle is not NULL, and it\r
                                                is not a valid EFI_HANDLE.\r
  @retval EFI_OUT_OF_RESOURCES                  There are not enough resources\r
                                                available to disconnect any\r
                                                drivers from ControllerHandle.\r
  @retval EFI_DEVICE_ERROR                      The controller could not be\r
                                                disconnected because of a device\r
                                                error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreDisconnectController (\r
  IN  EFI_HANDLE  ControllerHandle,\r
  IN  EFI_HANDLE  DriverImageHandle  OPTIONAL,\r
  IN  EFI_HANDLE  ChildHandle        OPTIONAL\r
  );\r
\r
\r
\r
/**\r
  Allocates pages from the memory map.\r
\r
  @param  Type                   The type of allocation to perform\r
  @param  MemoryType             The type of memory to turn the allocated pages\r
                                 into\r
  @param  NumberOfPages          The number of pages to allocate\r
  @param  Memory                 A pointer to receive the base allocated memory\r
                                 address\r
\r
  @return Status. On success, Memory is filled in with the base address allocated\r
  @retval EFI_INVALID_PARAMETER  Parameters violate checking rules defined in\r
                                 spec.\r
  @retval EFI_NOT_FOUND          Could not allocate pages match the requirement.\r
  @retval EFI_OUT_OF_RESOURCES   No enough pages to allocate.\r
  @retval EFI_SUCCESS            Pages successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAllocatePages (\r
  IN EFI_ALLOCATE_TYPE      Type,\r
  IN EFI_MEMORY_TYPE        MemoryType,\r
  IN UINTN                  NumberOfPages,\r
  IN OUT EFI_PHYSICAL_ADDRESS  *Memory\r
  );\r
\r
/**\r
  Frees previous allocated pages.\r
\r
  @param  Memory                 Base address of memory being freed\r
  @param  NumberOfPages          The number of pages to free\r
\r
  @retval EFI_NOT_FOUND          Could not find the entry that covers the range\r
  @retval EFI_INVALID_PARAMETER  Address not aligned\r
  @return EFI_SUCCESS         -Pages successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreFreePages (\r
  IN EFI_PHYSICAL_ADDRESS   Memory,\r
  IN UINTN                  NumberOfPages\r
  );\r
\r
/**\r
  This function returns a copy of the current memory map. The map is an array of\r
  memory descriptors, each of which describes a contiguous block of memory.\r
\r
  @param  MemoryMapSize          A pointer to the size, in bytes, of the\r
                                 MemoryMap buffer. On input, this is the size of\r
                                 the buffer allocated by the caller.  On output,\r
                                 it is the size of the buffer returned by the\r
                                 firmware  if the buffer was large enough, or the\r
                                 size of the buffer needed  to contain the map if\r
                                 the buffer was too small.\r
  @param  MemoryMap              A pointer to the buffer in which firmware places\r
                                 the current memory map.\r
  @param  MapKey                 A pointer to the location in which firmware\r
                                 returns the key for the current memory map.\r
  @param  DescriptorSize         A pointer to the location in which firmware\r
                                 returns the size, in bytes, of an individual\r
                                 EFI_MEMORY_DESCRIPTOR.\r
  @param  DescriptorVersion      A pointer to the location in which firmware\r
                                 returns the version number associated with the\r
                                 EFI_MEMORY_DESCRIPTOR.\r
\r
  @retval EFI_SUCCESS            The memory map was returned in the MemoryMap\r
                                 buffer.\r
  @retval EFI_BUFFER_TOO_SMALL   The MemoryMap buffer was too small. The current\r
                                 buffer size needed to hold the memory map is\r
                                 returned in MemoryMapSize.\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreGetMemoryMap (\r
  IN OUT UINTN                  *MemoryMapSize,\r
  IN OUT EFI_MEMORY_DESCRIPTOR  *MemoryMap,\r
  OUT UINTN                     *MapKey,\r
  OUT UINTN                     *DescriptorSize,\r
  OUT UINT32                    *DescriptorVersion\r
  );\r
\r
\r
\r
/**\r
  Allocate pool of a particular type.\r
\r
  @param  PoolType               Type of pool to allocate\r
  @param  Size                   The amount of pool to allocate\r
  @param  Buffer                 The address to return a pointer to the allocated\r
                                 pool\r
\r
  @retval EFI_INVALID_PARAMETER  PoolType not valid or Buffer is NULL\r
  @retval EFI_OUT_OF_RESOURCES   Size exceeds max pool size or allocation failed.\r
  @retval EFI_SUCCESS            Pool successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAllocatePool (\r
  IN EFI_MEMORY_TYPE  PoolType,\r
  IN UINTN            Size,\r
  OUT VOID            **Buffer\r
  );\r
\r
/**\r
  Allocate pool of a particular type.\r
\r
  @param  PoolType               Type of pool to allocate\r
  @param  Size                   The amount of pool to allocate\r
  @param  Buffer                 The address to return a pointer to the allocated\r
                                 pool\r
\r
  @retval EFI_INVALID_PARAMETER  PoolType not valid or Buffer is NULL\r
  @retval EFI_OUT_OF_RESOURCES   Size exceeds max pool size or allocation failed.\r
  @retval EFI_SUCCESS            Pool successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreInternalAllocatePool (\r
  IN EFI_MEMORY_TYPE  PoolType,\r
  IN UINTN            Size,\r
  OUT VOID            **Buffer\r
  );\r
\r
/**\r
  Frees pool.\r
\r
  @param  Buffer                 The allocated pool entry to free\r
\r
  @retval EFI_INVALID_PARAMETER  Buffer is not a valid value.\r
  @retval EFI_SUCCESS            Pool successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreFreePool (\r
  IN VOID        *Buffer\r
  );\r
\r
/**\r
  Frees pool.\r
\r
  @param  Buffer                 The allocated pool entry to free\r
  @param  PoolType               Pointer to pool type\r
\r
  @retval EFI_INVALID_PARAMETER  Buffer is not a valid value.\r
  @retval EFI_SUCCESS            Pool successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreInternalFreePool (\r
  IN VOID               *Buffer,\r
  OUT EFI_MEMORY_TYPE   *PoolType OPTIONAL\r
  );\r
\r
/**\r
  Loads an EFI image into memory and returns a handle to the image.\r
\r
  @param  BootPolicy              If TRUE, indicates that the request originates\r
                                  from the boot manager, and that the boot\r
                                  manager is attempting to load FilePath as a\r
                                  boot selection.\r
  @param  ParentImageHandle       The caller's image handle.\r
  @param  FilePath                The specific file path from which the image is\r
                                  loaded.\r
  @param  SourceBuffer            If not NULL, a pointer to the memory location\r
                                  containing a copy of the image to be loaded.\r
  @param  SourceSize              The size in bytes of SourceBuffer.\r
  @param  ImageHandle             Pointer to the returned image handle that is\r
                                  created when the image is successfully loaded.\r
\r
  @retval EFI_SUCCESS             The image was loaded into memory.\r
  @retval EFI_NOT_FOUND           The FilePath was not found.\r
  @retval EFI_INVALID_PARAMETER   One of the parameters has an invalid value.\r
  @retval EFI_UNSUPPORTED         The image type is not supported, or the device\r
                                  path cannot be parsed to locate the proper\r
                                  protocol for loading the file.\r
  @retval EFI_OUT_OF_RESOURCES    Image was not loaded due to insufficient\r
                                  resources.\r
  @retval EFI_LOAD_ERROR          Image was not loaded because the image format was corrupt or not\r
                                  understood.\r
  @retval EFI_DEVICE_ERROR        Image was not loaded because the device returned a read error.\r
  @retval EFI_ACCESS_DENIED       Image was not loaded because the platform policy prohibits the \r
                                  image from being loaded. NULL is returned in *ImageHandle.\r
  @retval EFI_SECURITY_VIOLATION  Image was loaded and an ImageHandle was created with a \r
                                  valid EFI_LOADED_IMAGE_PROTOCOL. However, the current \r
                                  platform policy specifies that the image should not be started.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreLoadImage (\r
  IN BOOLEAN                    BootPolicy,\r
  IN EFI_HANDLE                 ParentImageHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL   *FilePath,\r
  IN VOID                       *SourceBuffer   OPTIONAL,\r
  IN UINTN                      SourceSize,\r
  OUT EFI_HANDLE                *ImageHandle\r
  );\r
\r
\r
\r
/**\r
  Unloads an image.\r
\r
  @param  ImageHandle             Handle that identifies the image to be\r
                                  unloaded.\r
\r
  @retval EFI_SUCCESS             The image has been unloaded.\r
  @retval EFI_UNSUPPORTED         The image has been started, and does not support\r
                                  unload.\r
  @retval EFI_INVALID_PARAMPETER  ImageHandle is not a valid image handle.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreUnloadImage (\r
  IN EFI_HANDLE  ImageHandle\r
  );\r
\r
\r
\r
/**\r
  Transfer control to a loaded image's entry point.\r
\r
  @param  ImageHandle             Handle of image to be started.\r
  @param  ExitDataSize            Pointer of the size to ExitData\r
  @param  ExitData                Pointer to a pointer to a data buffer that\r
                                  includes a Null-terminated string,\r
                                  optionally followed by additional binary data.\r
                                  The string is a description that the caller may\r
                                  use to further indicate the reason for the\r
                                  image's exit.\r
\r
  @retval EFI_INVALID_PARAMETER   Invalid parameter\r
  @retval EFI_OUT_OF_RESOURCES    No enough buffer to allocate\r
  @retval EFI_SECURITY_VIOLATION  The current platform policy specifies that the image should not be started.\r
  @retval EFI_SUCCESS             Successfully transfer control to the image's\r
                                  entry point.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreStartImage (\r
  IN EFI_HANDLE  ImageHandle,\r
  OUT UINTN      *ExitDataSize,\r
  OUT CHAR16     **ExitData  OPTIONAL\r
  );\r
\r
\r
\r
/**\r
  Terminates the currently loaded EFI image and returns control to boot services.\r
\r
  @param  ImageHandle             Handle that identifies the image. This\r
                                  parameter is passed to the image on entry.\r
  @param  Status                  The image's exit code.\r
  @param  ExitDataSize            The size, in bytes, of ExitData. Ignored if\r
                                  ExitStatus is EFI_SUCCESS.\r
  @param  ExitData                Pointer to a data buffer that includes a\r
                                  Null-terminated Unicode string, optionally\r
                                  followed by additional binary data. The string\r
                                  is a description that the caller may use to\r
                                  further indicate the reason for the image's\r
                                  exit.\r
\r
  @retval EFI_INVALID_PARAMETER   Image handle is NULL or it is not current\r
                                  image.\r
  @retval EFI_SUCCESS             Successfully terminates the currently loaded\r
                                  EFI image.\r
  @retval EFI_ACCESS_DENIED       Should never reach there.\r
  @retval EFI_OUT_OF_RESOURCES    Could not allocate pool\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreExit (\r
  IN EFI_HANDLE  ImageHandle,\r
  IN EFI_STATUS  Status,\r
  IN UINTN       ExitDataSize,\r
  IN CHAR16      *ExitData  OPTIONAL\r
  );\r
\r
\r
\r
/**\r
  Creates an event.\r
\r
  @param  Type                   The type of event to create and its mode and\r
                                 attributes\r
  @param  NotifyTpl              The task priority level of event notifications\r
  @param  NotifyFunction         Pointer to the events notification function\r
  @param  NotifyContext          Pointer to the notification functions context;\r
                                 corresponds to parameter "Context" in the\r
                                 notification function\r
  @param  Event                  Pointer to the newly created event if the call\r
                                 succeeds; undefined otherwise\r
\r
  @retval EFI_SUCCESS            The event structure was created\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value\r
  @retval EFI_OUT_OF_RESOURCES   The event could not be allocated\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCreateEvent (\r
  IN UINT32                   Type,\r
  IN EFI_TPL                  NotifyTpl,\r
  IN EFI_EVENT_NOTIFY         NotifyFunction, OPTIONAL\r
  IN VOID                     *NotifyContext, OPTIONAL\r
  OUT EFI_EVENT               *Event\r
  );\r
\r
\r
\r
/**\r
  Creates an event in a group.\r
\r
  @param  Type                   The type of event to create and its mode and\r
                                 attributes\r
  @param  NotifyTpl              The task priority level of event notifications\r
  @param  NotifyFunction         Pointer to the events notification function\r
  @param  NotifyContext          Pointer to the notification functions context;\r
                                 corresponds to parameter "Context" in the\r
                                 notification function\r
  @param  EventGroup             GUID for EventGroup if NULL act the same as\r
                                 gBS->CreateEvent().\r
  @param  Event                  Pointer to the newly created event if the call\r
                                 succeeds; undefined otherwise\r
\r
  @retval EFI_SUCCESS            The event structure was created\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value\r
  @retval EFI_OUT_OF_RESOURCES   The event could not be allocated\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCreateEventEx (\r
  IN UINT32                   Type,\r
  IN EFI_TPL                  NotifyTpl,\r
  IN EFI_EVENT_NOTIFY         NotifyFunction, OPTIONAL\r
  IN CONST VOID               *NotifyContext, OPTIONAL\r
  IN CONST EFI_GUID           *EventGroup,    OPTIONAL\r
  OUT EFI_EVENT               *Event\r
  );\r
\r
/**\r
  Creates a general-purpose event structure\r
\r
  @param  Type                   The type of event to create and its mode and\r
                                 attributes\r
  @param  NotifyTpl              The task priority level of event notifications\r
  @param  NotifyFunction         Pointer to the events notification function\r
  @param  NotifyContext          Pointer to the notification functions context;\r
                                 corresponds to parameter "Context" in the\r
                                 notification function\r
  @param  EventGroup             GUID for EventGroup if NULL act the same as\r
                                 gBS->CreateEvent().\r
  @param  Event                  Pointer to the newly created event if the call\r
                                 succeeds; undefined otherwise\r
\r
  @retval EFI_SUCCESS            The event structure was created\r
  @retval EFI_INVALID_PARAMETER  One of the parameters has an invalid value\r
  @retval EFI_OUT_OF_RESOURCES   The event could not be allocated\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCreateEventInternal (\r
  IN UINT32                   Type,\r
  IN EFI_TPL                  NotifyTpl,\r
  IN EFI_EVENT_NOTIFY         NotifyFunction, OPTIONAL\r
  IN CONST VOID               *NotifyContext, OPTIONAL\r
  IN CONST EFI_GUID           *EventGroup,    OPTIONAL\r
  OUT EFI_EVENT               *Event\r
  );\r
\r
/**\r
  Sets the type of timer and the trigger time for a timer event.\r
\r
  @param  UserEvent              The timer event that is to be signaled at the\r
                                 specified time\r
  @param  Type                   The type of time that is specified in\r
                                 TriggerTime\r
  @param  TriggerTime            The number of 100ns units until the timer\r
                                 expires\r
\r
  @retval EFI_SUCCESS            The event has been set to be signaled at the\r
                                 requested time\r
  @retval EFI_INVALID_PARAMETER  Event or Type is not valid\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSetTimer (\r
  IN EFI_EVENT            UserEvent,\r
  IN EFI_TIMER_DELAY      Type,\r
  IN UINT64               TriggerTime\r
  );\r
\r
\r
\r
/**\r
  Signals the event.  Queues the event to be notified if needed.\r
\r
  @param  UserEvent              The event to signal .\r
\r
  @retval EFI_INVALID_PARAMETER  Parameters are not valid.\r
  @retval EFI_SUCCESS            The event was signaled.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSignalEvent (\r
  IN EFI_EVENT    UserEvent\r
  );\r
\r
\r
\r
/**\r
  Stops execution until an event is signaled.\r
\r
  @param  NumberOfEvents         The number of events in the UserEvents array\r
  @param  UserEvents             An array of EFI_EVENT\r
  @param  UserIndex              Pointer to the index of the event which\r
                                 satisfied the wait condition\r
\r
  @retval EFI_SUCCESS            The event indicated by Index was signaled.\r
  @retval EFI_INVALID_PARAMETER  The event indicated by Index has a notification\r
                                 function or Event was not a valid type\r
  @retval EFI_UNSUPPORTED        The current TPL is not TPL_APPLICATION\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreWaitForEvent (\r
  IN UINTN        NumberOfEvents,\r
  IN EFI_EVENT    *UserEvents,\r
  OUT UINTN       *UserIndex\r
  );\r
\r
\r
\r
/**\r
  Closes an event and frees the event structure.\r
\r
  @param  UserEvent              Event to close\r
\r
  @retval EFI_INVALID_PARAMETER  Parameters are not valid.\r
  @retval EFI_SUCCESS            The event has been closed\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCloseEvent (\r
  IN EFI_EVENT    UserEvent\r
  );\r
\r
\r
\r
/**\r
  Check the status of an event.\r
\r
  @param  UserEvent              The event to check\r
\r
  @retval EFI_SUCCESS            The event is in the signaled state\r
  @retval EFI_NOT_READY          The event is not in the signaled state\r
  @retval EFI_INVALID_PARAMETER  Event is of type EVT_NOTIFY_SIGNAL\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreCheckEvent (\r
  IN EFI_EVENT        UserEvent\r
  );\r
\r
\r
/**\r
  Adds reserved memory, system memory, or memory-mapped I/O resources to the\r
  global coherency domain of the processor.\r
\r
  @param  GcdMemoryType          Memory type of the memory space.\r
  @param  BaseAddress            Base address of the memory space.\r
  @param  Length                 Length of the memory space.\r
  @param  Capabilities           alterable attributes of the memory space.\r
\r
  @retval EFI_SUCCESS            Merged this memory space into GCD map.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAddMemorySpace (\r
  IN EFI_GCD_MEMORY_TYPE   GcdMemoryType,\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length,\r
  IN UINT64                Capabilities\r
  );\r
\r
\r
/**\r
  Allocates nonexistent memory, reserved memory, system memory, or memorymapped\r
  I/O resources from the global coherency domain of the processor.\r
\r
  @param  GcdAllocateType        The type of allocate operation\r
  @param  GcdMemoryType          The desired memory type\r
  @param  Alignment              Align with 2^Alignment\r
  @param  Length                 Length to allocate\r
  @param  BaseAddress            Base address to allocate\r
  @param  ImageHandle            The image handle consume the allocated space.\r
  @param  DeviceHandle           The device handle consume the allocated space.\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter.\r
  @retval EFI_NOT_FOUND          No descriptor contains the desired space.\r
  @retval EFI_SUCCESS            Memory space successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAllocateMemorySpace (\r
  IN     EFI_GCD_ALLOCATE_TYPE  GcdAllocateType,\r
  IN     EFI_GCD_MEMORY_TYPE    GcdMemoryType,\r
  IN     UINTN                  Alignment,\r
  IN     UINT64                 Length,\r
  IN OUT EFI_PHYSICAL_ADDRESS   *BaseAddress,\r
  IN     EFI_HANDLE             ImageHandle,\r
  IN     EFI_HANDLE             DeviceHandle OPTIONAL\r
  );\r
\r
\r
/**\r
  Frees nonexistent memory, reserved memory, system memory, or memory-mapped\r
  I/O resources from the global coherency domain of the processor.\r
\r
  @param  BaseAddress            Base address of the memory space.\r
  @param  Length                 Length of the memory space.\r
\r
  @retval EFI_SUCCESS            Space successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreFreeMemorySpace (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length\r
  );\r
\r
\r
/**\r
  Removes reserved memory, system memory, or memory-mapped I/O resources from\r
  the global coherency domain of the processor.\r
\r
  @param  BaseAddress            Base address of the memory space.\r
  @param  Length                 Length of the memory space.\r
\r
  @retval EFI_SUCCESS            Successfully remove a segment of memory space.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreRemoveMemorySpace (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length\r
  );\r
\r
\r
/**\r
  Retrieves the descriptor for a memory region containing a specified address.\r
\r
  @param  BaseAddress            Specified start address\r
  @param  Descriptor             Specified length\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_SUCCESS            Successfully get memory space descriptor.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreGetMemorySpaceDescriptor (\r
  IN  EFI_PHYSICAL_ADDRESS             BaseAddress,\r
  OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR  *Descriptor\r
  );\r
\r
\r
/**\r
  Modifies the attributes for a memory region in the global coherency domain of the\r
  processor.\r
\r
  @param  BaseAddress            Specified start address\r
  @param  Length                 Specified length\r
  @param  Attributes             Specified attributes\r
\r
  @retval EFI_SUCCESS           The attributes were set for the memory region.\r
  @retval EFI_INVALID_PARAMETER Length is zero. \r
  @retval EFI_UNSUPPORTED       The processor does not support one or more bytes of the memory\r
                                resource range specified by BaseAddress and Length.\r
  @retval EFI_UNSUPPORTED       The bit mask of attributes is not support for the memory resource\r
                                range specified by BaseAddress and Length.\r
  @retval EFI_ACCESS_DENIED     The attributes for the memory resource range specified by\r
                                BaseAddress and Length cannot be modified.\r
  @retval EFI_OUT_OF_RESOURCES  There are not enough system resources to modify the attributes of\r
                                the memory resource range.\r
  @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is\r
                                not available yet.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSetMemorySpaceAttributes (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length,\r
  IN UINT64                Attributes\r
  );\r
\r
\r
/**\r
  Modifies the capabilities for a memory region in the global coherency domain of the\r
  processor.\r
\r
  @param  BaseAddress      The physical address that is the start address of a memory region.\r
  @param  Length           The size in bytes of the memory region.\r
  @param  Capabilities     The bit mask of capabilities that the memory region supports.\r
\r
  @retval EFI_SUCCESS           The capabilities were set for the memory region.\r
  @retval EFI_INVALID_PARAMETER Length is zero.\r
  @retval EFI_UNSUPPORTED       The capabilities specified by Capabilities do not include the\r
                                memory region attributes currently in use.\r
  @retval EFI_ACCESS_DENIED     The capabilities for the memory resource range specified by\r
                                BaseAddress and Length cannot be modified.\r
  @retval EFI_OUT_OF_RESOURCES  There are not enough system resources to modify the capabilities\r
                                of the memory resource range.\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSetMemorySpaceCapabilities (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length,\r
  IN UINT64                Capabilities\r
  );\r
\r
\r
/**\r
  Returns a map of the memory resources in the global coherency domain of the\r
  processor.\r
\r
  @param  NumberOfDescriptors    Number of descriptors.\r
  @param  MemorySpaceMap         Descriptor array\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_OUT_OF_RESOURCES   No enough buffer to allocate\r
  @retval EFI_SUCCESS            Successfully get memory space map.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreGetMemorySpaceMap (\r
  OUT UINTN                            *NumberOfDescriptors,\r
  OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR  **MemorySpaceMap\r
  );\r
\r
\r
/**\r
  Adds reserved I/O or I/O resources to the global coherency domain of the processor.\r
\r
  @param  GcdIoType              IO type of the segment.\r
  @param  BaseAddress            Base address of the segment.\r
  @param  Length                 Length of the segment.\r
\r
  @retval EFI_SUCCESS            Merged this segment into GCD map.\r
  @retval EFI_INVALID_PARAMETER  Parameter not valid\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAddIoSpace (\r
  IN EFI_GCD_IO_TYPE       GcdIoType,\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length\r
  );\r
\r
\r
/**\r
  Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r
  domain of the processor.\r
\r
  @param  GcdAllocateType        The type of allocate operation\r
  @param  GcdIoType              The desired IO type\r
  @param  Alignment              Align with 2^Alignment\r
  @param  Length                 Length to allocate\r
  @param  BaseAddress            Base address to allocate\r
  @param  ImageHandle            The image handle consume the allocated space.\r
  @param  DeviceHandle           The device handle consume the allocated space.\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter.\r
  @retval EFI_NOT_FOUND          No descriptor contains the desired space.\r
  @retval EFI_SUCCESS            IO space successfully allocated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreAllocateIoSpace (\r
  IN     EFI_GCD_ALLOCATE_TYPE  GcdAllocateType,\r
  IN     EFI_GCD_IO_TYPE        GcdIoType,\r
  IN     UINTN                  Alignment,\r
  IN     UINT64                 Length,\r
  IN OUT EFI_PHYSICAL_ADDRESS   *BaseAddress,\r
  IN     EFI_HANDLE             ImageHandle,\r
  IN     EFI_HANDLE             DeviceHandle OPTIONAL\r
  );\r
\r
\r
/**\r
  Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency\r
  domain of the processor.\r
\r
  @param  BaseAddress            Base address of the segment.\r
  @param  Length                 Length of the segment.\r
\r
  @retval EFI_SUCCESS            Space successfully freed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreFreeIoSpace (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length\r
  );\r
\r
\r
/**\r
  Removes reserved I/O or I/O resources from the global coherency domain of the\r
  processor.\r
\r
  @param  BaseAddress            Base address of the segment.\r
  @param  Length                 Length of the segment.\r
\r
  @retval EFI_SUCCESS            Successfully removed a segment of IO space.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreRemoveIoSpace (\r
  IN EFI_PHYSICAL_ADDRESS  BaseAddress,\r
  IN UINT64                Length\r
  );\r
\r
\r
/**\r
  Retrieves the descriptor for an I/O region containing a specified address.\r
\r
  @param  BaseAddress            Specified start address\r
  @param  Descriptor             Specified length\r
\r
  @retval EFI_INVALID_PARAMETER  Descriptor is NULL.\r
  @retval EFI_SUCCESS            Successfully get the IO space descriptor.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreGetIoSpaceDescriptor (\r
  IN  EFI_PHYSICAL_ADDRESS         BaseAddress,\r
  OUT EFI_GCD_IO_SPACE_DESCRIPTOR  *Descriptor\r
  );\r
\r
\r
/**\r
  Returns a map of the I/O resources in the global coherency domain of the processor.\r
\r
  @param  NumberOfDescriptors    Number of descriptors.\r
  @param  IoSpaceMap             Descriptor array\r
\r
  @retval EFI_INVALID_PARAMETER  Invalid parameter\r
  @retval EFI_OUT_OF_RESOURCES   No enough buffer to allocate\r
  @retval EFI_SUCCESS            Successfully get IO space map.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreGetIoSpaceMap (\r
  OUT UINTN                        *NumberOfDescriptors,\r
  OUT EFI_GCD_IO_SPACE_DESCRIPTOR  **IoSpaceMap\r
  );\r
\r
\r
/**\r
  This is the main Dispatcher for DXE and it exits when there are no more\r
  drivers to run. Drain the mScheduledQueue and load and start a PE\r
  image for each driver. Search the mDiscoveredList to see if any driver can\r
  be placed on the mScheduledQueue. If no drivers are placed on the\r
  mScheduledQueue exit the function. On exit it is assumed the Bds()\r
  will be called, and when the Bds() exits the Dispatcher will be called\r
  again.\r
\r
  @retval EFI_ALREADY_STARTED   The DXE Dispatcher is already running\r
  @retval EFI_NOT_FOUND         No DXE Drivers were dispatched\r
  @retval EFI_SUCCESS           One or more DXE Drivers were dispatched\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreDispatcher (\r
  VOID\r
  );\r
\r
/**\r
  Check every driver and locate a matching one. If the driver is found, the Unrequested\r
  state flag is cleared.\r
\r
  @param  FirmwareVolumeHandle  The handle of the Firmware Volume that contains\r
                                the firmware  file specified by DriverName.\r
  @param  DriverName            The Driver name to put in the Dependent state.\r
\r
  @retval EFI_SUCCESS           The DriverName was found and it's SOR bit was\r
                                cleared\r
  @retval EFI_NOT_FOUND         The DriverName does not exist or it's SOR bit was\r
                                not set.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreSchedule (\r
  IN  EFI_HANDLE  FirmwareVolumeHandle,\r
  IN  EFI_GUID    *DriverName\r
  );\r
\r
\r
/**\r
  Convert a driver from the Untrused back to the Scheduled state.\r
\r
  @param  FirmwareVolumeHandle  The handle of the Firmware Volume that contains\r
                                the firmware  file specified by DriverName.\r
  @param  DriverName            The Driver name to put in the Scheduled state\r
\r
  @retval EFI_SUCCESS           The file was found in the untrusted state, and it\r
                                was promoted  to the trusted state.\r
  @retval EFI_NOT_FOUND         The file was not found in the untrusted state.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreTrust (\r
  IN  EFI_HANDLE  FirmwareVolumeHandle,\r
  IN  EFI_GUID    *DriverName\r
  );\r
\r
\r
/**\r
  This routine is the driver initialization entry point.  It initializes the\r
  libraries, and registers two notification functions.  These notification\r
  functions are responsible for building the FV stack dynamically.\r
\r
  @param  ImageHandle           The image handle.\r
  @param  SystemTable           The system table.\r
\r
  @retval EFI_SUCCESS           Function successfully returned.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
FwVolDriverInit (\r
  IN EFI_HANDLE                   ImageHandle,\r
  IN EFI_SYSTEM_TABLE             *SystemTable\r
  );\r
\r
\r
/**\r
  Entry point of the section extraction code. Initializes an instance of the\r
  section extraction interface and installs it on a new handle.\r
\r
  @param  ImageHandle   A handle for the image that is initializing this driver\r
  @param  SystemTable   A pointer to the EFI system table\r
\r
  @retval EFI_SUCCESS           Driver initialized successfully\r
  @retval EFI_OUT_OF_RESOURCES  Could not allocate needed resources\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
InitializeSectionExtraction (\r
  IN EFI_HANDLE                   ImageHandle,\r
  IN EFI_SYSTEM_TABLE             *SystemTable\r
  );\r
\r
\r
/**\r
  This DXE service routine is used to process a firmware volume. In\r
  particular, it can be called by BDS to process a single firmware\r
  volume found in a capsule.\r
\r
  @param  FvHeader               pointer to a firmware volume header\r
  @param  Size                   the size of the buffer pointed to by FvHeader\r
  @param  FVProtocolHandle       the handle on which a firmware volume protocol\r
                                 was produced for the firmware volume passed in.\r
\r
  @retval EFI_OUT_OF_RESOURCES   if an FVB could not be produced due to lack of\r
                                 system resources\r
  @retval EFI_VOLUME_CORRUPTED   if the volume was corrupted\r
  @retval EFI_SUCCESS            a firmware volume protocol was produced for the\r
                                 firmware volume\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreProcessFirmwareVolume (\r
  IN VOID                             *FvHeader,\r
  IN UINTN                            Size,\r
  OUT EFI_HANDLE                      *FVProtocolHandle\r
  );\r
\r
//\r
//Functions used during debug buils\r
//\r
\r
/**\r
  Displays Architectural protocols that were not loaded and are required for DXE\r
  core to function.  Only used in Debug Builds.\r
\r
**/\r
VOID\r
CoreDisplayMissingArchProtocols (\r
  VOID\r
  );\r
\r
\r
/**\r
  Traverse the discovered list for any drivers that were discovered but not loaded\r
  because the dependency experessions evaluated to false.\r
\r
**/\r
VOID\r
CoreDisplayDiscoveredNotDispatched (\r
  VOID\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are\r
  available.\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg0 (\r
  VOID\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are\r
  available.\r
\r
  @param  Arg1                   Undefined\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg1 (\r
  UINTN Arg1\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are available.\r
\r
  @param  Arg1                   Undefined\r
  @param  Arg2                   Undefined\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg2 (\r
  UINTN Arg1,\r
  UINTN Arg2\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are available.\r
\r
  @param  Arg1                   Undefined\r
  @param  Arg2                   Undefined\r
  @param  Arg3                   Undefined\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg3 (\r
  UINTN Arg1,\r
  UINTN Arg2,\r
  UINTN Arg3\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are available.\r
\r
  @param  Arg1                   Undefined\r
  @param  Arg2                   Undefined\r
  @param  Arg3                   Undefined\r
  @param  Arg4                   Undefined\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg4 (\r
  UINTN Arg1,\r
  UINTN Arg2,\r
  UINTN Arg3,\r
  UINTN Arg4\r
  );\r
\r
\r
/**\r
  Place holder function until all the Boot Services and Runtime Services are available.\r
\r
  @param  Arg1                   Undefined\r
  @param  Arg2                   Undefined\r
  @param  Arg3                   Undefined\r
  @param  Arg4                   Undefined\r
  @param  Arg5                   Undefined\r
\r
  @return EFI_NOT_AVAILABLE_YET\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreEfiNotAvailableYetArg5 (\r
  UINTN Arg1,\r
  UINTN Arg2,\r
  UINTN Arg3,\r
  UINTN Arg4,\r
  UINTN Arg5\r
  );\r
\r
\r
/**\r
  Given a compressed source buffer, this function retrieves the size of the\r
  uncompressed buffer and the size of the scratch buffer required to decompress\r
  the compressed source buffer.\r
\r
  The GetInfo() function retrieves the size of the uncompressed buffer and the\r
  temporary scratch buffer required to decompress the buffer specified by Source\r
  and SourceSize. If the size of the uncompressed buffer or the size of the\r
  scratch buffer cannot be determined from the compressed data specified by\r
  Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the\r
  size of the uncompressed buffer is returned in DestinationSize, the size of\r
  the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned.\r
  The GetInfo() function does not have scratch buffer available to perform a\r
  thorough checking of the validity of the source data. It just retrieves the\r
  "Original Size" field from the beginning bytes of the source data and output\r
  it as DestinationSize. And ScratchSize is specific to the decompression\r
  implementation.\r
\r
  @param  This               A pointer to the EFI_DECOMPRESS_PROTOCOL instance.\r
  @param  Source             The source buffer containing the compressed data.\r
  @param  SourceSize         The size, in bytes, of the source buffer.\r
  @param  DestinationSize    A pointer to the size, in bytes, of the\r
                             uncompressed buffer that will be generated when the\r
                             compressed buffer specified by Source and\r
                             SourceSize is decompressed.\r
  @param  ScratchSize        A pointer to the size, in bytes, of the scratch\r
                             buffer that is required to decompress the\r
                             compressed buffer specified by Source and\r
                             SourceSize.\r
\r
  @retval EFI_SUCCESS        The size of the uncompressed data was returned in\r
                             DestinationSize and the size of the scratch buffer\r
                             was returned in ScratchSize.\r
  @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of\r
                                the scratch buffer cannot be determined from the\r
                                compressed data specified by Source and\r
                                SourceSize.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DxeMainUefiDecompressGetInfo (\r
  IN EFI_DECOMPRESS_PROTOCOL            *This,\r
  IN   VOID                             *Source,\r
  IN   UINT32                           SourceSize,\r
  OUT  UINT32                           *DestinationSize,\r
  OUT  UINT32                           *ScratchSize\r
  );\r
\r
\r
/**\r
  Decompresses a compressed source buffer.\r
\r
  The Decompress() function extracts decompressed data to its original form.\r
  This protocol is designed so that the decompression algorithm can be\r
  implemented without using any memory services. As a result, the Decompress()\r
  Function is not allowed to call AllocatePool() or AllocatePages() in its\r
  implementation. It is the caller's responsibility to allocate and free the\r
  Destination and Scratch buffers.\r
  If the compressed source data specified by Source and SourceSize is\r
  sucessfully decompressed into Destination, then EFI_SUCCESS is returned. If\r
  the compressed source data specified by Source and SourceSize is not in a\r
  valid compressed data format, then EFI_INVALID_PARAMETER is returned.\r
\r
  @param  This                A pointer to the EFI_DECOMPRESS_PROTOCOL instance.\r
  @param  Source              The source buffer containing the compressed data.\r
  @param  SourceSize          SourceSizeThe size of source data.\r
  @param  Destination         On output, the destination buffer that contains\r
                              the uncompressed data.\r
  @param  DestinationSize     The size of the destination buffer.  The size of\r
                              the destination buffer needed is obtained from\r
                              EFI_DECOMPRESS_PROTOCOL.GetInfo().\r
  @param  Scratch             A temporary scratch buffer that is used to perform\r
                              the decompression.\r
  @param  ScratchSize         The size of scratch buffer. The size of the\r
                              scratch buffer needed is obtained from GetInfo().\r
\r
  @retval EFI_SUCCESS         Decompression completed successfully, and the\r
                              uncompressed buffer is returned in Destination.\r
  @retval EFI_INVALID_PARAMETER  The source buffer specified by Source and\r
                                 SourceSize is corrupted (not in a valid\r
                                 compressed format).\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DxeMainUefiDecompress (\r
  IN     EFI_DECOMPRESS_PROTOCOL          *This,\r
  IN     VOID                             *Source,\r
  IN     UINT32                           SourceSize,\r
  IN OUT VOID                             *Destination,\r
  IN     UINT32                           DestinationSize,\r
  IN OUT VOID                             *Scratch,\r
  IN     UINT32                           ScratchSize\r
  );\r
\r
/**\r
  SEP member function.  This function creates and returns a new section stream\r
  handle to represent the new section stream.\r
\r
  @param  SectionStreamLength    Size in bytes of the section stream.\r
  @param  SectionStream          Buffer containing the new section stream.\r
  @param  SectionStreamHandle    A pointer to a caller allocated UINTN that on\r
                                 output contains the new section stream handle.\r
\r
  @retval EFI_SUCCESS            The section stream is created successfully.\r
  @retval EFI_OUT_OF_RESOURCES   memory allocation failed.\r
  @retval EFI_INVALID_PARAMETER  Section stream does not end concident with end\r
                                 of last section.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
OpenSectionStream (\r
  IN     UINTN                                     SectionStreamLength,\r
  IN     VOID                                      *SectionStream,\r
     OUT UINTN                                     *SectionStreamHandle\r
  );\r
\r
\r
\r
/**\r
  SEP member function.  Retrieves requested section from section stream.\r
\r
  @param  SectionStreamHandle   The section stream from which to extract the\r
                                requested section.\r
  @param  SectionType           A pointer to the type of section to search for.\r
  @param  SectionDefinitionGuid If the section type is EFI_SECTION_GUID_DEFINED,\r
                                then SectionDefinitionGuid indicates which of\r
                                these types of sections to search for.\r
  @param  SectionInstance       Indicates which instance of the requested\r
                                section to return.\r
  @param  Buffer                Double indirection to buffer.  If *Buffer is\r
                                non-null on input, then the buffer is caller\r
                                allocated.  If Buffer is NULL, then the buffer\r
                                is callee allocated.  In either case, the\r
                                required buffer size is returned in *BufferSize.\r
  @param  BufferSize            On input, indicates the size of *Buffer if\r
                                *Buffer is non-null on input.  On output,\r
                                indicates the required size (allocated size if\r
                                callee allocated) of *Buffer.\r
  @param  AuthenticationStatus  A pointer to a caller-allocated UINT32 that\r
                                indicates the authentication status of the\r
                                output buffer. If the input section's\r
                                GuidedSectionHeader.Attributes field\r
                                has the EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
                                bit as clear, AuthenticationStatus must return\r
                                zero. Both local bits (19:16) and aggregate\r
                                bits (3:0) in AuthenticationStatus are returned\r
                                by ExtractSection(). These bits reflect the\r
                                status of the extraction operation. The bit\r
                                pattern in both regions must be the same, as\r
                                the local and aggregate authentication statuses\r
                                have equivalent meaning at this level. If the\r
                                function returns anything other than\r
                                EFI_SUCCESS, the value of *AuthenticationStatus\r
                                is undefined.\r
  @param  IsFfs3Fv              Indicates the FV format.\r
\r
  @retval EFI_SUCCESS           Section was retrieved successfully\r
  @retval EFI_PROTOCOL_ERROR    A GUID defined section was encountered in the\r
                                section stream with its\r
                                EFI_GUIDED_SECTION_PROCESSING_REQUIRED bit set,\r
                                but there was no corresponding GUIDed Section\r
                                Extraction Protocol in the handle database.\r
                                *Buffer is unmodified.\r
  @retval EFI_NOT_FOUND         An error was encountered when parsing the\r
                                SectionStream.  This indicates the SectionStream\r
                                is not correctly formatted.\r
  @retval EFI_NOT_FOUND         The requested section does not exist.\r
  @retval EFI_OUT_OF_RESOURCES  The system has insufficient resources to process\r
                                the request.\r
  @retval EFI_INVALID_PARAMETER The SectionStreamHandle does not exist.\r
  @retval EFI_WARN_TOO_SMALL    The size of the caller allocated input buffer is\r
                                insufficient to contain the requested section.\r
                                The input buffer is filled and section contents\r
                                are truncated.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GetSection (\r
  IN UINTN                                              SectionStreamHandle,\r
  IN EFI_SECTION_TYPE                                   *SectionType,\r
  IN EFI_GUID                                           *SectionDefinitionGuid,\r
  IN UINTN                                              SectionInstance,\r
  IN VOID                                               **Buffer,\r
  IN OUT UINTN                                          *BufferSize,\r
  OUT UINT32                                            *AuthenticationStatus,\r
  IN BOOLEAN                                            IsFfs3Fv\r
  );\r
\r
\r
/**\r
  SEP member function.  Deletes an existing section stream\r
\r
  @param  StreamHandleToClose    Indicates the stream to close\r
  @param  FreeStreamBuffer       TRUE - Need to free stream buffer;\r
                                 FALSE - No need to free stream buffer.\r
\r
  @retval EFI_SUCCESS            The section stream is closed sucessfully.\r
  @retval EFI_OUT_OF_RESOURCES   Memory allocation failed.\r
  @retval EFI_INVALID_PARAMETER  Section stream does not end concident with end\r
                                 of last section.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CloseSectionStream (\r
  IN  UINTN                                     StreamHandleToClose,\r
  IN  BOOLEAN                                   FreeStreamBuffer\r
  );\r
\r
/**\r
  Creates and initializes the DebugImageInfo Table.  Also creates the configuration\r
  table and registers it into the system table.\r
\r
  Note:\r
    This function allocates memory, frees it, and then allocates memory at an\r
    address within the initial allocation. Since this function is called early\r
    in DXE core initialization (before drivers are dispatched), this should not\r
    be a problem.\r
\r
**/\r
VOID\r
CoreInitializeDebugImageInfoTable (\r
  VOID\r
  );\r
\r
\r
/**\r
  Update the CRC32 in the Debug Table.\r
  Since the CRC32 service is made available by the Runtime driver, we have to\r
  wait for the Runtime Driver to be installed before the CRC32 can be computed.\r
  This function is called elsewhere by the core when the runtime architectural\r
  protocol is produced.\r
\r
**/\r
VOID\r
CoreUpdateDebugTableCrc32 (\r
  VOID\r
  );\r
\r
\r
/**\r
  Adds a new DebugImageInfo structure to the DebugImageInfo Table.  Re-Allocates\r
  the table if it's not large enough to accomidate another entry.\r
\r
  @param  ImageInfoType  type of debug image information\r
  @param  LoadedImage    pointer to the loaded image protocol for the image being\r
                         loaded\r
  @param  ImageHandle    image handle for the image being loaded\r
\r
**/\r
VOID\r
CoreNewDebugImageInfoEntry (\r
  IN  UINT32                      ImageInfoType,\r
  IN  EFI_LOADED_IMAGE_PROTOCOL   *LoadedImage,\r
  IN  EFI_HANDLE                  ImageHandle\r
  );\r
\r
\r
/**\r
  Removes and frees an entry from the DebugImageInfo Table.\r
\r
  @param  ImageHandle    image handle for the image being unloaded\r
\r
**/\r
VOID\r
CoreRemoveDebugImageInfoEntry (\r
  EFI_HANDLE ImageHandle\r
  );\r
\r
\r
/**\r
  This routine consumes FV hobs and produces instances of FW_VOL_BLOCK_PROTOCOL as appropriate.\r
\r
  @param  ImageHandle            The image handle.\r
  @param  SystemTable            The system table.\r
\r
  @retval EFI_SUCCESS            Successfully initialized firmware volume block\r
                                 driver.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
FwVolBlockDriverInit (\r
  IN EFI_HANDLE                 ImageHandle,\r
  IN EFI_SYSTEM_TABLE           *SystemTable\r
  );\r
\r
/**\r
\r
  Get FVB authentication status\r
\r
  @param FvbProtocol    FVB protocol.\r
\r
  @return Authentication status.\r
\r
**/\r
UINT32\r
GetFvbAuthenticationStatus (\r
  IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL     *FvbProtocol\r
  );\r
\r
/**\r
  This routine produces a firmware volume block protocol on a given\r
  buffer.\r
\r
  @param  BaseAddress            base address of the firmware volume image\r
  @param  Length                 length of the firmware volume image\r
  @param  ParentHandle           handle of parent firmware volume, if this image\r
                                 came from an FV image file and section in another firmware\r
                                 volume (ala capsules)\r
  @param  AuthenticationStatus   Authentication status inherited, if this image\r
                                 came from an FV image file and section in another firmware volume.\r
  @param  FvProtocol             Firmware volume block protocol produced.\r
\r
  @retval EFI_VOLUME_CORRUPTED   Volume corrupted.\r
  @retval EFI_OUT_OF_RESOURCES   No enough buffer to be allocated.\r
  @retval EFI_SUCCESS            Successfully produced a FVB protocol on given\r
                                 buffer.\r
\r
**/\r
EFI_STATUS\r
ProduceFVBProtocolOnBuffer (\r
  IN EFI_PHYSICAL_ADDRESS   BaseAddress,\r
  IN UINT64                 Length,\r
  IN EFI_HANDLE             ParentHandle,\r
  IN UINT32                 AuthenticationStatus,\r
  OUT EFI_HANDLE            *FvProtocol  OPTIONAL\r
  );\r
\r
\r
/**\r
  Raising to the task priority level of the mutual exclusion\r
  lock, and then acquires ownership of the lock.\r
\r
  @param  Lock               The lock to acquire\r
\r
  @return Lock owned\r
\r
**/\r
VOID\r
CoreAcquireLock (\r
  IN EFI_LOCK  *Lock\r
  );\r
\r
\r
/**\r
  Initialize a basic mutual exclusion lock.   Each lock\r
  provides mutual exclusion access at it's task priority\r
  level.  Since there is no-premption (at any TPL) or\r
  multiprocessor support, acquiring the lock only consists\r
  of raising to the locks TPL.\r
\r
  @param  Lock               The EFI_LOCK structure to initialize\r
\r
  @retval EFI_SUCCESS        Lock Owned.\r
  @retval EFI_ACCESS_DENIED  Reentrant Lock Acquisition, Lock not Owned.\r
\r
**/\r
EFI_STATUS\r
CoreAcquireLockOrFail (\r
  IN EFI_LOCK  *Lock\r
  );\r
\r
\r
/**\r
  Releases ownership of the mutual exclusion lock, and\r
  restores the previous task priority level.\r
\r
  @param  Lock               The lock to release\r
\r
  @return Lock unowned\r
\r
**/\r
VOID\r
CoreReleaseLock (\r
  IN EFI_LOCK  *Lock\r
  );\r
\r
/**\r
  Read data from Firmware Block by FVB protocol Read. \r
  The data may cross the multi block ranges.\r
\r
  @param  Fvb                   The FW_VOL_BLOCK_PROTOCOL instance from which to read data.\r
  @param  StartLba              Pointer to StartLba.\r
                                On input, the start logical block index from which to read.\r
                                On output,the end logical block index after reading.\r
  @param  Offset                Pointer to Offset\r
                                On input, offset into the block at which to begin reading.\r
                                On output, offset into the end block after reading.\r
  @param  DataSize              Size of data to be read.\r
  @param  Data                  Pointer to Buffer that the data will be read into.\r
\r
  @retval EFI_SUCCESS           Successfully read data from firmware block.\r
  @retval others\r
**/\r
EFI_STATUS\r
ReadFvbData (\r
  IN     EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL     *Fvb,\r
  IN OUT EFI_LBA                                *StartLba,\r
  IN OUT UINTN                                  *Offset,\r
  IN     UINTN                                  DataSize,\r
  OUT    UINT8                                  *Data\r
  );\r
\r
/**\r
  Given the supplied FW_VOL_BLOCK_PROTOCOL, allocate a buffer for output and\r
  copy the real length volume header into it.\r
\r
  @param  Fvb                   The FW_VOL_BLOCK_PROTOCOL instance from which to\r
                                read the volume header\r
  @param  FwVolHeader           Pointer to pointer to allocated buffer in which\r
                                the volume header is returned.\r
\r
  @retval EFI_OUT_OF_RESOURCES  No enough buffer could be allocated.\r
  @retval EFI_SUCCESS           Successfully read volume header to the allocated\r
                                buffer.\r
  @retval EFI_INVALID_PARAMETER The FV Header signature is not as expected or\r
                                the file system could not be understood.\r
\r
**/\r
EFI_STATUS\r
GetFwVolHeader (\r
  IN     EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL     *Fvb,\r
  OUT    EFI_FIRMWARE_VOLUME_HEADER             **FwVolHeader\r
  );\r
\r
/**\r
  Verify checksum of the firmware volume header.\r
\r
  @param  FvHeader       Points to the firmware volume header to be checked\r
\r
  @retval TRUE           Checksum verification passed\r
  @retval FALSE          Checksum verification failed\r
\r
**/\r
BOOLEAN\r
VerifyFvHeaderChecksum (\r
  IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader\r
  );\r
\r
/**\r
  Initialize memory profile.\r
\r
  @param HobStart   The start address of the HOB.\r
\r
**/\r
VOID\r
MemoryProfileInit (\r
  IN VOID   *HobStart\r
  );\r
\r
/**\r
  Install memory profile protocol.\r
\r
**/\r
VOID\r
MemoryProfileInstallProtocol (\r
  VOID\r
  );\r
\r
/**\r
  Register image to memory profile.\r
\r
  @param DriverEntry    Image info.\r
  @param FileType       Image file type.\r
\r
  @return EFI_SUCCESS           Register successfully.\r
  @return EFI_UNSUPPORTED       Memory profile unsupported,\r
                                or memory profile for the image is not required.\r
  @return EFI_OUT_OF_RESOURCES  No enough resource for this register.\r
\r
**/\r
EFI_STATUS\r
RegisterMemoryProfileImage (\r
  IN LOADED_IMAGE_PRIVATE_DATA  *DriverEntry,\r
  IN EFI_FV_FILETYPE            FileType\r
  );\r
\r
/**\r
  Unregister image from memory profile.\r
\r
  @param DriverEntry    Image info.\r
\r
  @return EFI_SUCCESS           Unregister successfully.\r
  @return EFI_UNSUPPORTED       Memory profile unsupported,\r
                                or memory profile for the image is not required.\r
  @return EFI_NOT_FOUND         The image is not found.\r
\r
**/\r
EFI_STATUS\r
UnregisterMemoryProfileImage (\r
  IN LOADED_IMAGE_PRIVATE_DATA  *DriverEntry\r
  );\r
\r
/**\r
  Update memory profile information.\r
\r
  @param CallerAddress  Address of caller who call Allocate or Free.\r
  @param Action         This Allocate or Free action.\r
  @param MemoryType     Memory type.\r
                        EfiMaxMemoryType means the MemoryType is unknown.\r
  @param Size           Buffer size.\r
  @param Buffer         Buffer address.\r
  @param ActionString   String for memory profile action.\r
                        Only needed for user defined allocate action.\r
\r
  @return EFI_SUCCESS           Memory profile is updated.\r
  @return EFI_UNSUPPORTED       Memory profile is unsupported,\r
                                or memory profile for the image is not required,\r
                                or memory profile for the memory type is not required.\r
  @return EFI_ACCESS_DENIED     It is during memory profile data getting.\r
  @return EFI_ABORTED           Memory profile recording is not enabled.\r
  @return EFI_OUT_OF_RESOURCES  No enough resource to update memory profile for allocate action.\r
  @return EFI_NOT_FOUND         No matched allocate info found for free action.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CoreUpdateProfile (\r
  IN EFI_PHYSICAL_ADDRESS   CallerAddress,\r
  IN MEMORY_PROFILE_ACTION  Action,\r
  IN EFI_MEMORY_TYPE        MemoryType,\r
  IN UINTN                  Size,       // Valid for AllocatePages/FreePages/AllocatePool\r
  IN VOID                   *Buffer,\r
  IN CHAR8                  *ActionString OPTIONAL\r
  );\r
\r
/**\r
  Internal function.  Converts a memory range to use new attributes.\r
\r
  @param  Start                  The first address of the range Must be page\r
                                 aligned\r
  @param  NumberOfPages          The number of pages to convert\r
  @param  NewAttributes          The new attributes value for the range.\r
\r
**/\r
VOID\r
CoreUpdateMemoryAttributes (\r
  IN EFI_PHYSICAL_ADDRESS  Start,\r
  IN UINT64                NumberOfPages,\r
  IN UINT64                NewAttributes\r
  );\r
\r
/**\r
  Initialize PropertiesTable support.\r
**/\r
VOID\r
EFIAPI\r
CoreInitializePropertiesTable (\r
  VOID\r
  );\r
\r
/**\r
  Initialize MemoryAttrubutesTable support.\r
**/\r
VOID\r
EFIAPI\r
CoreInitializeMemoryAttributesTable (\r
  VOID\r
  );\r
\r
/**\r
  Initialize Memory Protection support.\r
**/\r
VOID\r
EFIAPI\r
CoreInitializeMemoryProtection (\r
  VOID\r
  );\r
\r
/**\r
  Install MemoryAttributesTable on memory allocation.\r
\r
  @param[in] MemoryType EFI memory type.\r
**/\r
VOID\r
InstallMemoryAttributesTableOnMemoryAllocation (\r
  IN EFI_MEMORY_TYPE    MemoryType\r
  );\r
\r
/**\r
  Insert image record.\r
\r
  @param  RuntimeImage    Runtime image information\r
**/\r
VOID\r
InsertImageRecord (\r
  IN EFI_RUNTIME_IMAGE_ENTRY  *RuntimeImage\r
  );\r
\r
/**\r
  Remove Image record.\r
\r
  @param  RuntimeImage    Runtime image information\r
**/\r
VOID\r
RemoveImageRecord (\r
  IN EFI_RUNTIME_IMAGE_ENTRY  *RuntimeImage\r
  );\r
\r
/**\r
  Protect UEFI image.\r
\r
  @param[in]  LoadedImage              The loaded image protocol\r
  @param[in]  LoadedImageDevicePath    The loaded image device path protocol\r
**/\r
VOID\r
ProtectUefiImage (\r
  IN EFI_LOADED_IMAGE_PROTOCOL   *LoadedImage,\r
  IN EFI_DEVICE_PATH_PROTOCOL    *LoadedImageDevicePath\r
  );\r
\r
/**\r
  Unprotect UEFI image.\r
\r
  @param[in]  LoadedImage              The loaded image protocol\r
  @param[in]  LoadedImageDevicePath    The loaded image device path protocol\r
**/\r
VOID\r
UnprotectUefiImage (\r
  IN EFI_LOADED_IMAGE_PROTOCOL   *LoadedImage,\r
  IN EFI_DEVICE_PATH_PROTOCOL    *LoadedImageDevicePath\r
  );\r
\r
/**\r
  ExitBootServices Callback function for memory protection.\r
**/\r
VOID\r
MemoryProtectionExitBootServicesCallback (\r
  VOID\r
  );\r
\r
#endif\r