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/*++
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
DxeMain.h
Abstract:
Revision History
--*/
#ifndef _DXE_MAIN_H_
#define _DXE_MAIN_H_
#include <PiDxe.h>
#include <FrameworkPei.h>
#include <Protocol/LoadedImage.h>
#include <Protocol/GuidedSectionExtraction.h>
#include <Protocol/SectionExtraction.h>
#include <Guid/DebugImageInfoTable.h>
#include <Protocol/DevicePath.h>
#include <Protocol/Runtime.h>
#include <Protocol/LoadFile.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/VariableWrite.h>
#include <Protocol/PlatformDriverOverride.h>
#include <Protocol/Variable.h>
#include <Guid/MemoryTypeInformation.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Guid/HobList.h>
#include <Protocol/Timer.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/Bds.h>
#include <Guid/FileInfo.h>
#include <Protocol/RealTimeClock.h>
#include <Guid/Apriori.h>
#include <Protocol/WatchdogTimer.h>
#include <Protocol/FirmwareVolume2.h>
#include <Protocol/MonotonicCounter.h>
#include <Guid/DxeServices.h>
#include <Guid/MemoryAllocationHob.h>
#include <Protocol/StatusCode.h>
#include <Protocol/CustomizedDecompress.h>
#include <Protocol/Decompress.h>
#include <Protocol/LoadPe32Image.h>
#include <Protocol/FirmwareVolumeDispatch.h>
#include <Protocol/Security.h>
#include <Protocol/Ebc.h>
#include <Guid/EventLegacyBios.h>
#include <Protocol/Reset.h>
#include <Protocol/EdkDecompress.h>
#include <Protocol/Cpu.h>
#include <Guid/EventGroup.h>
#include <Protocol/Metronome.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/Capsule.h>
#include <Protocol/BusSpecificDriverOverride.h>
#include <Protocol/Performance.h>
#include <Guid/StatusCodeDataTypeId.h>
#include <Library/DxeCoreEntryPoint.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/HobLib.h>
#include <Library/PerformanceLib.h>
#include <Library/UefiDecompressLib.h>
#include <Library/CustomDecompressLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PeCoffLib.h>
#include "DebugImageInfo.h"
#include "Library.h"
#include "FwVolBlock.h"
#include "FwVolDriver.h"
#include "gcd.h"
#include "imem.h"
#include "Image.h"
#include "Exec.h"
#include "hand.h"
//
// Modifier for EFI DXE Services
//
#define EFI_DXESERVICE
//
// attributes for reserved memory before it is promoted to system memory
//
#define EFI_MEMORY_PRESENT 0x0100000000000000ULL
#define EFI_MEMORY_INITIALIZED 0x0200000000000000ULL
#define EFI_MEMORY_TESTED 0x0400000000000000ULL
//
// range for memory mapped port I/O on IPF
//
#define EFI_MEMORY_PORT_IO 0x4000000000000000ULL
///
/// EFI_DEP_REPLACE_TRUE - Used to dynamically patch the dependecy expression
/// to save time. A EFI_DEP_PUSH is evauated one an
/// replaced with EFI_DEP_REPLACE_TRUE
///
#define EFI_DEP_REPLACE_TRUE 0xff
///
/// Define the initial size of the dependency expression evaluation stack
///
#define DEPEX_STACK_SIZE_INCREMENT 0x1000
typedef struct {
EFI_GUID *ProtocolGuid;
VOID **Protocol;
EFI_EVENT Event;
VOID *Registration;
BOOLEAN Present;
} ARCHITECTURAL_PROTOCOL_ENTRY;
//
// DXE Dispatcher Data structures
//
#define KNOWN_HANDLE_SIGNATURE EFI_SIGNATURE_32('k','n','o','w')
typedef struct {
UINTN Signature;
LIST_ENTRY Link; // mFvHandleList
EFI_HANDLE Handle;
} KNOWN_HANDLE;
#define EFI_CORE_DRIVER_ENTRY_SIGNATURE EFI_SIGNATURE_32('d','r','v','r')
typedef struct {
UINTN Signature;
LIST_ENTRY Link; // mDriverList
LIST_ENTRY ScheduledLink; // mScheduledQueue
EFI_HANDLE FvHandle;
EFI_GUID FileName;
EFI_DEVICE_PATH_PROTOCOL *FvFileDevicePath;
EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
VOID *Depex;
UINTN DepexSize;
BOOLEAN Before;
BOOLEAN After;
EFI_GUID BeforeAfterGuid;
BOOLEAN Dependent;
BOOLEAN Unrequested;
BOOLEAN Scheduled;
BOOLEAN Untrusted;
BOOLEAN Initialized;
BOOLEAN DepexProtocolError;
EFI_HANDLE ImageHandle;
} EFI_CORE_DRIVER_ENTRY;
//
//The data structure of GCD memory map entry
//
#define EFI_GCD_MAP_SIGNATURE EFI_SIGNATURE_32('g','c','d','m')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
EFI_PHYSICAL_ADDRESS BaseAddress;
UINT64 EndAddress;
UINT64 Capabilities;
UINT64 Attributes;
EFI_GCD_MEMORY_TYPE GcdMemoryType;
EFI_GCD_IO_TYPE GcdIoType;
EFI_HANDLE ImageHandle;
EFI_HANDLE DeviceHandle;
} EFI_GCD_MAP_ENTRY;
//
// DXE Core Global Variables
//
extern EFI_SYSTEM_TABLE *gDxeCoreST;
extern EFI_BOOT_SERVICES *gDxeCoreBS;
extern EFI_RUNTIME_SERVICES *gDxeCoreRT;
extern EFI_DXE_SERVICES *gDxeCoreDS;
extern EFI_HANDLE gDxeCoreImageHandle;
extern EFI_DECOMPRESS_PROTOCOL gEfiDecompress;
extern EFI_RUNTIME_ARCH_PROTOCOL *gRuntime;
extern EFI_CPU_ARCH_PROTOCOL *gCpu;
extern EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *gWatchdogTimer;
extern EFI_METRONOME_ARCH_PROTOCOL *gMetronome;
extern EFI_TIMER_ARCH_PROTOCOL *gTimer;
extern EFI_SECURITY_ARCH_PROTOCOL *gSecurity;
extern EFI_BDS_ARCH_PROTOCOL *gBds;
extern EFI_STATUS_CODE_PROTOCOL *gStatusCode;
extern EFI_TPL gEfiCurrentTpl;
extern EFI_GUID *gDxeCoreFileName;
extern EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage;
extern EFI_MEMORY_TYPE_INFORMATION gMemoryTypeInformation[EfiMaxMemoryType + 1];
extern BOOLEAN gDispatcherRunning;
extern EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate;
//
// Service Initialization Functions
//
VOID
CoreInitializePool (
VOID
)
/*++
Routine Description:
Called to initialize the pool.
Arguments:
None
Returns:
None
--*/
;
VOID
CoreAddMemoryDescriptor (
IN EFI_MEMORY_TYPE Type,
IN EFI_PHYSICAL_ADDRESS Start,
IN UINT64 NumberOfPages,
IN UINT64 Attribute
)
/*++
Routine Description:
Called to initialize the memory map and add descriptors to
the current descriptor list.
The first descriptor that is added must be general usable
memory as the addition allocates heap.
Arguments:
Type - The type of memory to add
Start - The starting address in the memory range
Must be page aligned
NumberOfPages - The number of pages in the range
Attribute - Attributes of the memory to add
Returns:
None. The range is added to the memory map
--*/
;
VOID
CoreReleaseGcdMemoryLock (
VOID
)
/*++
Routine Description:
Release memory lock on mGcdMemorySpaceLock
Arguments:
None
Returns:
None
--*/
;
VOID
CoreAcquireGcdMemoryLock (
VOID
)
/*++
Routine Description:
Acquire memory lock on mGcdMemorySpaceLock
Arguments:
None
Returns:
None
--*/
;
EFI_STATUS
CoreInitializeMemoryServices (
IN VOID **HobStart,
IN EFI_PHYSICAL_ADDRESS *MemoryBaseAddress,
IN UINT64 *MemoryLength
)
/*++
Routine Description:
External function. Initializes the GCD and memory services based on the memory
descriptor HOBs. This function is responsible for priming the GCD map and the
memory map, so memory allocations and resource allocations can be made. The first
part of this function can not depend on any memory services until at least one
memory descriptor is provided to the memory services. Then the memory services
can be used to intialize the GCD map.
Arguments:
HobStart - The start address of the HOB.
MemoryBaseAddress - Start address of memory region found to init DXE core.
MemoryLength - Length of memory region found to init DXE core.
Returns:
EFI_SUCCESS - Memory services successfully initialized.
--*/
;
EFI_STATUS
CoreInitializeGcdServices (
IN VOID **HobStart,
IN EFI_PHYSICAL_ADDRESS MemoryBaseAddress,
IN UINT64 MemoryLength
)
/*++
Routine Description:
External function. Initializes the GCD and memory services based on the memory
descriptor HOBs. This function is responsible for priming the GCD map and the
memory map, so memory allocations and resource allocations can be made. The first
part of this function can not depend on any memory services until at least one
memory descriptor is provided to the memory services. Then the memory services
can be used to intialize the GCD map.
Arguments:
HobStart - The start address of the HOB
MemoryBaseAddress - Start address of memory region found to init DXE core.
MemoryLength - Length of memory region found to init DXE core.
Returns:
EFI_SUCCESS - GCD services successfully initialized.
--*/
;
EFI_STATUS
CoreInitializeEventServices (
VOID
)
/*++
Routine Description:
Initializes "event" support and populates parts of the System and Runtime Table.
Arguments:
None
Returns:
EFI_SUCCESS - Always return success
--*/
;
EFI_STATUS
CoreInitializeImageServices (
IN VOID *HobStart
)
/*++
Routine Description:
Add the Image Services to EFI Boot Services Table and install the protocol
interfaces for this image.
Arguments:
HobStart - The HOB to initialize
Returns:
Status code.
--*/
;
VOID
CoreNotifyOnArchProtocolInstallation (
VOID
)
/*++
Routine Description:
Creates an event that is fired everytime a Protocol of a specific type is installed
Arguments:
NONE
Returns:
NONE
--*/
;
EFI_STATUS
CoreAllEfiServicesAvailable (
VOID
)
/*++
Routine Description:
Return TRUE if all AP services are availible.
Arguments:
NONE
Returns:
EFI_SUCCESS - All AP services are available
EFI_NOT_FOUND - At least one AP service is not available
--*/
;
VOID
CalculateEfiHdrCrc (
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Calcualte the 32-bit CRC in a EFI table using the service provided by the
gRuntime service.
Arguments:
Hdr - Pointer to an EFI standard header
Returns:
None
--*/
;
VOID
EFIAPI
CoreTimerTick (
IN UINT64 Duration
)
/*++
Routine Description:
Called by the platform code to process a tick.
Arguments:
Duration - The number of 100ns elasped since the last call to TimerTick
Returns:
None
--*/
;
VOID
CoreInitializeDispatcher (
VOID
)
/*++
Routine Description:
Initialize the dispatcher. Initialize the notification function that runs when
a FV protocol is added to the system.
Arguments:
NONE
Returns:
NONE
--*/
;
BOOLEAN
CoreIsSchedulable (
IN EFI_CORE_DRIVER_ENTRY *DriverEntry
)
/*++
Routine Description:
This is the POSTFIX version of the dependency evaluator. This code does
not need to handle Before or After, as it is not valid to call this
routine in this case. The SOR is just ignored and is a nop in the grammer.
POSTFIX means all the math is done on top of the stack.
Arguments:
DriverEntry - DriverEntry element to update
Returns:
TRUE - If driver is ready to run.
FALSE - If driver is not ready to run or some fatal error was found.
--*/
;
EFI_STATUS
CorePreProcessDepex (
IN EFI_CORE_DRIVER_ENTRY *DriverEntry
)
/*++
Routine Description:
Preprocess dependency expression and update DriverEntry to reflect the
state of Before, After, and SOR dependencies. If DriverEntry->Before
or DriverEntry->After is set it will never be cleared. If SOR is set
it will be cleared by CoreSchedule(), and then the driver can be
dispatched.
Arguments:
DriverEntry - DriverEntry element to update
Returns:
EFI_SUCCESS - It always works.
--*/
;
EFI_STATUS
EFIAPI
CoreExitBootServices (
IN EFI_HANDLE ImageHandle,
IN UINTN MapKey
)
/*++
Routine Description:
EFI 1.0 API to terminate Boot Services
Arguments:
ImageHandle - Handle that represents the identity of the calling image
MapKey -Key to the latest memory map.
Returns:
EFI_SUCCESS - Boot Services terminated
EFI_INVALID_PARAMETER - MapKey is incorrect.
--*/
;
EFI_STATUS
CoreTerminateMemoryMap (
IN UINTN MapKey
)
/*++
Routine Description:
Make sure the memory map is following all the construction rules,
it is the last time to check memory map error before exit boot services.
Arguments:
MapKey - Memory map key
Returns:
EFI_INVALID_PARAMETER - Memory map not consistent with construction rules.
EFI_SUCCESS - Valid memory map.
--*/
;
VOID
CoreNotifySignalList (
IN EFI_GUID *EventGroup
)
/*++
Routine Description:
Signals all events on the requested list
Arguments:
SignalType - The list to signal
Returns:
None
--*/
;
EFI_STATUS
EFIAPI
CoreInstallConfigurationTable (
IN EFI_GUID *Guid,
IN VOID *Table
)
/*++
Routine Description:
Boot Service called to add, modify, or remove a system configuration table from
the EFI System Table.
Arguments:
Guid: Pointer to the GUID for the entry to add, update, or remove
Table: Pointer to the configuration table for the entry to add, update, or
remove, may be NULL.
Returns:
EFI_SUCCESS Guid, Table pair added, updated, or removed.
EFI_INVALID_PARAMETER Input GUID not valid.
EFI_NOT_FOUND Attempted to delete non-existant entry
EFI_OUT_OF_RESOURCES Not enough memory available
--*/
;
EFI_TPL
EFIAPI
CoreRaiseTpl (
IN EFI_TPL NewTpl
)
/*++
Routine Description:
Raise the task priority level to the new level.
High level is implemented by disabling processor interrupts.
Arguments:
NewTpl - New task priority level
Returns:
The previous task priority level
--*/
;
VOID
EFIAPI
CoreRestoreTpl (
IN EFI_TPL NewTpl
)
/*++
Routine Description:
Lowers the task priority to the previous value. If the new
priority unmasks events at a higher priority, they are dispatched.
Arguments:
NewTpl - New, lower, task priority
Returns:
None
--*/
;
EFI_STATUS
EFIAPI
CoreStall (
IN UINTN Microseconds
)
/*++
Routine Description:
Introduces a fine-grained stall.
Arguments:
Microseconds The number of microseconds to stall execution
Returns:
EFI_SUCCESS - Execution was stalled for at least the requested amount
of microseconds.
EFI_NOT_AVAILABLE_YET - gMetronome is not available yet
--*/
;
EFI_STATUS
EFIAPI
CoreSetWatchdogTimer (
IN UINTN Timeout,
IN UINT64 WatchdogCode,
IN UINTN DataSize,
IN CHAR16 *WatchdogData OPTIONAL
)
/*++
Routine Description:
Sets the system's watchdog timer.
Arguments:
Timeout The number of seconds. Zero disables the timer.
///////following three parameters are left for platform specific using
WatchdogCode The numberic code to log. 0x0 to 0xffff are firmware
DataSize Size of the optional data
WatchdogData Optional Null terminated unicode string followed by binary
data.
Returns:
EFI_SUCCESS Timeout has been set
EFI_NOT_AVAILABLE_YET WatchdogTimer is not available yet
EFI_UNSUPPORTED System does not have a timer (currently not used)
EFI_DEVICE_ERROR Could not complete due to hardware error
--*/
;
EFI_STATUS
EFIAPI
CoreInstallProtocolInterface (
IN OUT EFI_HANDLE *UserHandle,
IN EFI_GUID *Protocol,
IN EFI_INTERFACE_TYPE InterfaceType,
IN VOID *Interface
)
/*++
Routine Description:
Wrapper function to CoreInstallProtocolInterfaceNotify. This is the public API which
Calls the private one which contains a BOOLEAN parameter for notifications
Arguments:
UserHandle - The handle to install the protocol handler on,
or NULL if a new handle is to be allocated
Protocol - The protocol to add to the handle
InterfaceType - Indicates whether Interface is supplied in native form.
Interface - The interface for the protocol being added
Returns:
Status code
--*/
;
EFI_STATUS
CoreInstallProtocolInterfaceNotify (
IN OUT EFI_HANDLE *UserHandle,
IN EFI_GUID *Protocol,
IN EFI_INTERFACE_TYPE InterfaceType,
IN VOID *Interface,
IN BOOLEAN Notify
)
/*++
Routine Description:
Installs a protocol interface into the boot services environment.
Arguments:
UserHandle - The handle to install the protocol handler on,
or NULL if a new handle is to be allocated
Protocol - The protocol to add to the handle
InterfaceType - Indicates whether Interface is supplied in native form.
Interface - The interface for the protocol being added
Notify - Whether to notify the notification list for this protocol
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
EFI_SUCCESS - Protocol interface successfully installed
--*/
;
EFI_STATUS
EFIAPI
CoreInstallMultipleProtocolInterfaces (
IN OUT EFI_HANDLE *Handle,
...
)
/*++
Routine Description:
Installs a list of protocol interface into the boot services environment.
This function calls InstallProtocolInterface() in a loop. If any error
occures all the protocols added by this function are removed. This is
basically a lib function to save space.
Arguments:
Handle - The handle to install the protocol handlers on,
or NULL if a new handle is to be allocated
... - EFI_GUID followed by protocol instance. A NULL terminates the
list. The pairs are the arguments to InstallProtocolInterface().
All the protocols are added to Handle.
Returns:
EFI_INVALID_PARAMETER - Handle is NULL.
EFI_SUCCESS - Protocol interfaces successfully installed.
--*/
;
EFI_STATUS
EFIAPI
CoreUninstallMultipleProtocolInterfaces (
IN EFI_HANDLE Handle,
...
)
/*++
Routine Description:
Uninstalls a list of protocol interface in the boot services environment.
This function calls UnisatllProtocolInterface() in a loop. This is
basically a lib function to save space.
Arguments:
Handle - The handle to uninstall the protocol
... - EFI_GUID followed by protocol instance. A NULL terminates the
list. The pairs are the arguments to UninstallProtocolInterface().
All the protocols are added to Handle.
Returns:
Status code
--*/
;
EFI_STATUS
EFIAPI
CoreReinstallProtocolInterface (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
IN VOID *OldInterface,
IN VOID *NewInterface
)
/*++
Routine Description:
Reinstall a protocol interface on a device handle. The OldInterface for Protocol is replaced by the NewInterface.
Arguments:
UserHandle - Handle on which the interface is to be reinstalled
Protocol - The numeric ID of the interface
OldInterface - A pointer to the old interface
NewInterface - A pointer to the new interface
Returns:
Status code.
On EFI_SUCCESS The protocol interface was installed
On EFI_NOT_FOUND The OldInterface on the handle was not found
On EFI_INVALID_PARAMETER One of the parameters has an invalid value
--*/
;
EFI_STATUS
EFIAPI
CoreUninstallProtocolInterface (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
IN VOID *Interface
)
/*++
Routine Description:
Uninstalls all instances of a protocol:interfacer from a handle.
If the last protocol interface is remove from the handle, the
handle is freed.
Arguments:
UserHandle - The handle to remove the protocol handler from
Protocol - The protocol, of protocol:interface, to remove
Interface - The interface, of protocol:interface, to remove
Returns:
EFI_INVALID_PARAMETER - Protocol is NULL.
EFI_SUCCESS - Protocol interface successfully uninstalled.
--*/
;
EFI_STATUS
EFIAPI
CoreHandleProtocol (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
OUT VOID **Interface
)
/*++
Routine Description:
Queries a handle to determine if it supports a specified protocol.
Arguments:
UserHandle - The handle being queried.
Protocol - The published unique identifier of the protocol.
Interface - Supplies the address where a pointer to the corresponding Protocol
Interface is returned.
Returns:
The requested protocol interface for the handle
--*/
;
EFI_STATUS
EFIAPI
CoreOpenProtocol (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
OUT VOID **Interface OPTIONAL,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle,
IN UINT32 Attributes
)
/*++
Routine Description:
Locates the installed protocol handler for the handle, and
invokes it to obtain the protocol interface. Usage information
is registered in the protocol data base.
Arguments:
UserHandle - The handle to obtain the protocol interface on
Protocol - The ID of the protocol
Interface - The location to return the protocol interface
ImageHandle - The handle of the Image that is opening the protocol interface
specified by Protocol and Interface.
ControllerHandle - The controller handle that is requiring this interface.
Attributes - The open mode of the protocol interface specified by Handle
and Protocol.
Returns:
EFI_INVALID_PARAMETER - Protocol is NULL.
EFI_SUCCESS - Get the protocol interface.
--*/
;
EFI_STATUS
EFIAPI
CoreOpenProtocolInformation (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,
OUT UINTN *EntryCount
)
/*++
Routine Description:
Return information about Opened protocols in the system
Arguments:
UserHandle - The handle to close the protocol interface on
Protocol - The ID of the protocol
EntryBuffer - A pointer to a buffer of open protocol information in the form of
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY structures.
EntryCount - Number of EntryBuffer entries
Returns:
--*/
;
EFI_STATUS
EFIAPI
CoreCloseProtocol (
IN EFI_HANDLE UserHandle,
IN EFI_GUID *Protocol,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
)
/*++
Routine Description:
Close Protocol
Arguments:
UserHandle - The handle to close the protocol interface on
Protocol - The ID of the protocol
ImageHandle - The user of the protocol to close
ControllerHandle - The user of the protocol to close
Returns:
EFI_INVALID_PARAMETER - Protocol is NULL.
--*/
;
EFI_STATUS
EFIAPI
CoreProtocolsPerHandle (
IN EFI_HANDLE UserHandle,
OUT EFI_GUID ***ProtocolBuffer,
OUT UINTN *ProtocolBufferCount
)
/*++
Routine Description:
Retrieves the list of protocol interface GUIDs that are installed on a handle in a buffer allocated
from pool.
Arguments:
UserHandle - The handle from which to retrieve the list of protocol interface
GUIDs.
ProtocolBuffer - A pointer to the list of protocol interface GUID pointers that are
installed on Handle.
ProtocolBufferCount - A pointer to the number of GUID pointers present in
ProtocolBuffer.
Returns:
EFI_SUCCESS - The list of protocol interface GUIDs installed on Handle was returned in
ProtocolBuffer. The number of protocol interface GUIDs was
returned in ProtocolBufferCount.
EFI_INVALID_PARAMETER - Handle is NULL.
EFI_INVALID_PARAMETER - Handle is not a valid EFI_HANDLE.
EFI_INVALID_PARAMETER - ProtocolBuffer is NULL.
EFI_INVALID_PARAMETER - ProtocolBufferCount is NULL.
EFI_OUT_OF_RESOURCES - There is not enough pool memory to store the results.
--*/
;
EFI_STATUS
EFIAPI
CoreRegisterProtocolNotify (
IN EFI_GUID *Protocol,
IN EFI_EVENT Event,
OUT VOID **Registration
)
/*++
Routine Description:
Add a new protocol notification record for the request protocol.
Arguments:
Protocol - The requested protocol to add the notify registration
Event - The event to signal
Registration - Returns the registration record
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_SUCCESS - Successfully returned the registration record that has been added
--*/
;
EFI_STATUS
EFIAPI
CoreLocateHandle (
IN EFI_LOCATE_SEARCH_TYPE SearchType,
IN EFI_GUID *Protocol OPTIONAL,
IN VOID *SearchKey OPTIONAL,
IN OUT UINTN *BufferSize,
OUT EFI_HANDLE *Buffer
)
/*++
Routine Description:
Locates the requested handle(s) and returns them in Buffer.
Arguments:
SearchType - The type of search to perform to locate the handles
Protocol - The protocol to search for
SearchKey - Dependant on SearchType
BufferSize - On input the size of Buffer. On output the
size of data returned.
Buffer - The buffer to return the results in
Returns:
EFI_BUFFER_TOO_SMALL - Buffer too small, required buffer size is returned in BufferSize.
EFI_INVALID_PARAMETER - Invalid parameter
EFI_SUCCESS - Successfully found the requested handle(s) and returns them in Buffer.
--*/
;
EFI_STATUS
EFIAPI
CoreLocateDevicePath (
IN EFI_GUID *Protocol,
IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath,
OUT EFI_HANDLE *Device
)
/*++
Routine Description:
Locates the handle to a device on the device path that supports the specified protocol.
Arguments:
Protocol - The protocol to search for.
FilePath - On input, a pointer to a pointer to the device path. On output, the device
path pointer is modified to point to the remaining part of the devicepath.
Device - A pointer to the returned device handle.
Returns:
EFI_SUCCESS - The resulting handle was returned.
EFI_NOT_FOUND - No handles matched the search.
EFI_INVALID_PARAMETER - One of the parameters has an invalid value.
--*/
;
EFI_STATUS
EFIAPI
CoreLocateHandleBuffer (
IN EFI_LOCATE_SEARCH_TYPE SearchType,
IN EFI_GUID *Protocol OPTIONAL,
IN VOID *SearchKey OPTIONAL,
IN OUT UINTN *NumberHandles,
OUT EFI_HANDLE **Buffer
)
/*++
Routine Description:
Function returns an array of handles that support the requested protocol
in a buffer allocated from pool. This is a version of CoreLocateHandle()
that allocates a buffer for the caller.
Arguments:
SearchType - Specifies which handle(s) are to be returned.
Protocol - Provides the protocol to search by.
This parameter is only valid for SearchType ByProtocol.
SearchKey - Supplies the search key depending on the SearchType.
NumberHandles - The number of handles returned in Buffer.
Buffer - A pointer to the buffer to return the requested array of
handles that support Protocol.
Returns:
EFI_SUCCESS - The result array of handles was returned.
EFI_NOT_FOUND - No handles match the search.
EFI_OUT_OF_RESOURCES - There is not enough pool memory to store the matching results.
EFI_INVALID_PARAMETER - Invalid parameter
--*/
;
EFI_STATUS
EFIAPI
CoreLocateProtocol (
IN EFI_GUID *Protocol,
IN VOID *Registration OPTIONAL,
OUT VOID **Interface
)
/*++
Routine Description:
Return the first Protocol Interface that matches the Protocol GUID. If
Registration is pasased in return a Protocol Instance that was just add
to the system. If Retistration is NULL return the first Protocol Interface
you find.
Arguments:
Protocol - The protocol to search for
Registration - Optional Registration Key returned from RegisterProtocolNotify()
Interface - Return the Protocol interface (instance).
Returns:
EFI_SUCCESS - If a valid Interface is returned
EFI_INVALID_PARAMETER - Invalid parameter
EFI_NOT_FOUND - Protocol interface not found
--*/
;
UINT64
CoreGetHandleDatabaseKey (
VOID
)
/*++
Routine Description:
return handle database key.
Arguments:
None
Returns:
Handle database key.
--*/
;
VOID
CoreConnectHandlesByKey (
UINT64 Key
)
/*++
Routine Description:
Go connect any handles that were created or modified while a image executed.
Arguments:
Key - The Key to show that the handle has been created/modified
Returns:
None
--*/
;
EFI_STATUS
EFIAPI
CoreConnectController (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE *DriverImageHandle OPTIONAL,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL,
IN BOOLEAN Recursive
)
/*++
Routine Description:
Connects one or more drivers to a controller.
Arguments:
ControllerHandle - Handle of the controller to be connected.
DriverImageHandle - DriverImageHandle A pointer to an ordered list of driver image handles.
RemainingDevicePath - RemainingDevicePath A pointer to the device path that specifies a child of the
controller specified by ControllerHandle.
Recursive - - Whether the function would be called recursively or not.
Returns:
Status code.
--*/
;
EFI_STATUS
EFIAPI
CoreDisconnectController (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE DriverImageHandle OPTIONAL,
IN EFI_HANDLE ChildHandle OPTIONAL
)
/*++
Routine Description:
Disonnects a controller from a driver
Arguments:
ControllerHandle - ControllerHandle The handle of the controller from which driver(s)
are to be disconnected.
DriverImageHandle - DriverImageHandle The driver to disconnect from ControllerHandle.
ChildHandle - ChildHandle The handle of the child to destroy.
Returns:
EFI_SUCCESS - One or more drivers were disconnected from the controller.
EFI_SUCCESS - On entry, no drivers are managing ControllerHandle.
EFI_SUCCESS - DriverImageHandle is not NULL, and on entry DriverImageHandle is not managing ControllerHandle.
EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.
EFI_INVALID_PARAMETER - DriverImageHandle is not NULL, and it is not a valid EFI_HANDLE.
EFI_INVALID_PARAMETER - ChildHandle is not NULL, and it is not a valid EFI_HANDLE.
EFI_OUT_OF_RESOURCES - There are not enough resources available to disconnect any drivers from ControllerHandle.
EFI_DEVICE_ERROR - The controller could not be disconnected because of a device error.
--*/
;
EFI_STATUS
EFIAPI
CoreAllocatePages (
IN EFI_ALLOCATE_TYPE Type,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN NumberOfPages,
IN OUT EFI_PHYSICAL_ADDRESS *Memory
)
/*++
Routine Description:
Allocates pages from the memory map.
Arguments:
Type - The type of allocation to perform
MemoryType - The type of memory to turn the allocated pages into
NumberOfPages - The number of pages to allocate
Memory - A pointer to receive the base allocated memory address
Returns:
Status. On success, Memory is filled in with the base address allocated
EFI_INVALID_PARAMETER - Parameters violate checking rules defined in spec.
EFI_NOT_FOUND - Could not allocate pages match the requirement.
EFI_OUT_OF_RESOURCES - No enough pages to allocate.
EFI_SUCCESS - Pages successfully allocated.
--*/
;
EFI_STATUS
EFIAPI
CoreFreePages (
IN EFI_PHYSICAL_ADDRESS Memory,
IN UINTN NumberOfPages
)
/*++
Routine Description:
Frees previous allocated pages.
Arguments:
Memory - Base address of memory being freed
NumberOfPages - The number of pages to free
Returns:
EFI_NOT_FOUND - Could not find the entry that covers the range
EFI_INVALID_PARAMETER - Address not aligned
EFI_SUCCESS -Pages successfully freed.
--*/
;
EFI_STATUS
EFIAPI
CoreGetMemoryMap (
IN OUT UINTN *MemoryMapSize,
IN OUT EFI_MEMORY_DESCRIPTOR *Desc,
OUT UINTN *MapKey,
OUT UINTN *DescriptorSize,
OUT UINT32 *DescriptorVersion
)
/*++
Routine Description:
Returns the current memory map.
Arguments:
MemoryMapSize - On input the buffer size of MemoryMap allocated by caller
On output the required buffer size to contain the memory map
Desc - The buffer to return the current memory map
MapKey - The address to return the current map key
DescriptorSize - The size in bytes for an individual EFI_MEMORY_DESCRIPTOR
DescriptorVersion - The version number associated with the EFI_MEMORY_DESCRIPTOR
Returns:
EFI_SUCCESS The current memory map was returned successfully
EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small
EFI_INVALID_PARAMETER One of the parameters has an invalid value
--*/
;
EFI_STATUS
EFIAPI
CoreAllocatePool (
IN EFI_MEMORY_TYPE PoolType,
IN UINTN Size,
OUT VOID **Buffer
)
/*++
Routine Description:
Allocate pool of a particular type.
Arguments:
PoolType - Type of pool to allocate
Size - The amount of pool to allocate
Buffer - The address to return a pointer to the allocated pool
Returns:
EFI_INVALID_PARAMETER - PoolType not valid
EFI_OUT_OF_RESOURCES - Size exceeds max pool size or allocation failed.
EFI_SUCCESS - Pool successfully allocated.
--*/
;
EFI_STATUS
EFIAPI
CoreFreePool (
IN VOID *Buffer
)
/*++
Routine Description:
Frees pool.
Arguments:
Buffer - The allocated pool entry to free
Returns:
EFI_INVALID_PARAMETER - Buffer is not a valid value.
EFI_SUCCESS - Pool successfully freed.
--*/
;
EFI_STATUS
EFIAPI
CoreLoadImage (
IN BOOLEAN BootPolicy,
IN EFI_HANDLE ParentImageHandle,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
IN VOID *SourceBuffer OPTIONAL,
IN UINTN SourceSize,
OUT EFI_HANDLE *ImageHandle
)
/*++
Routine Description:
Loads an EFI image into memory and returns a handle to the image.
Arguments:
BootPolicy - If TRUE, indicates that the request originates from the boot manager,
and that the boot manager is attempting to load FilePath as a boot selection.
ParentImageHandle - The caller's image handle.
FilePath - The specific file path from which the image is loaded.
SourceBuffer - If not NULL, a pointer to the memory location containing a copy of
the image to be loaded.
SourceSize - The size in bytes of SourceBuffer.
ImageHandle - Pointer to the returned image handle that is created when the image
is successfully loaded.
Returns:
EFI_SUCCESS - The image was loaded into memory.
EFI_NOT_FOUND - The FilePath was not found.
EFI_INVALID_PARAMETER - One of the parameters has an invalid value.
EFI_UNSUPPORTED - The image type is not supported, or the device path cannot be
parsed to locate the proper protocol for loading the file.
EFI_OUT_OF_RESOURCES - Image was not loaded due to insufficient resources.
--*/
;
EFI_STATUS
EFIAPI
CoreUnloadImage (
IN EFI_HANDLE ImageHandle
)
/*++
Routine Description:
Unload the specified image.
Arguments:
ImageHandle - The specified image handle.
Returns:
EFI_INVALID_PARAMETER - Image handle is NULL.
EFI_UNSUPPORTED - Attempt to unload an unsupported image.
EFI_SUCCESS - Image successfully unloaded.
--*/
;
EFI_STATUS
EFIAPI
CoreStartImage (
IN EFI_HANDLE ImageHandle,
OUT UINTN *ExitDataSize,
OUT CHAR16 **ExitData OPTIONAL
)
/*++
Routine Description:
Transfer control to a loaded image's entry point.
Arguments:
ImageHandle - Handle of image to be started.
ExitDataSize - Pointer of the size to ExitData
ExitData - Pointer to a pointer to a data buffer that includes a Null-terminated
Unicode string, optionally followed by additional binary data. The string
is a description that the caller may use to further indicate the reason for
the image's exit.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
EFI_SUCCESS - Successfully transfer control to the image's entry point.
--*/
;
EFI_STATUS
EFIAPI
CoreExit (
IN EFI_HANDLE ImageHandle,
IN EFI_STATUS Status,
IN UINTN ExitDataSize,
IN CHAR16 *ExitData OPTIONAL
)
/*++
Routine Description:
Terminates the currently loaded EFI image and returns control to boot services.
Arguments:
ImageHandle - Handle that identifies the image. This parameter is passed to the image
on entry.
Status - The image's exit code.
ExitDataSize - The size, in bytes, of ExitData. Ignored if ExitStatus is
EFI_SUCCESS.
ExitData - Pointer to a data buffer that includes a Null-terminated Unicode string,
optionally followed by additional binary data. The string is a
description that the caller may use to further indicate the reason for
the image's exit.
Returns:
EFI_INVALID_PARAMETER - Image handle is NULL or it is not current image.
EFI_SUCCESS - Successfully terminates the currently loaded EFI image.
EFI_ACCESS_DENIED - Should never reach there.
--*/
;
EFI_STATUS
EFIAPI
CoreCreateEvent (
IN UINT32 Type,
IN EFI_TPL NotifyTpl,
IN EFI_EVENT_NOTIFY NotifyFunction,
IN VOID *NotifyContext,
OUT EFI_EVENT *pEvent
)
/*++
Routine Description:
Creates a general-purpose event structure
Arguments:
Type - The type of event to create and its mode and attributes
NotifyTpl - The task priority level of event notifications
NotifyFunction - Pointer to the event's notification function
NotifyContext - Pointer to the notification function's context; corresponds to
parameter "Context" in the notification function
pEvent - Pointer to the newly created event if the call succeeds; undefined otherwise
Returns:
EFI_SUCCESS - The event structure was created
EFI_INVALID_PARAMETER - One of the parameters has an invalid value
EFI_OUT_OF_RESOURCES - The event could not be allocated
--*/
;
EFI_STATUS
EFIAPI
CoreCreateEventEx (
IN UINT32 Type,
IN EFI_TPL NotifyTpl,
IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL
IN CONST VOID *NotifyContext, OPTIONAL
IN CONST EFI_GUID *EventGroup, OPTIONAL
OUT EFI_EVENT *Event
)
/*++
Routine Description:
Creates a general-purpose event structure
Arguments:
Type - The type of event to create and its mode and attributes
NotifyTpl - The task priority level of event notifications
NotifyFunction - Pointer to the events notification function
NotifyContext - Pointer to the notification functions context; corresponds to
parameter "Context" in the notification function
EventGrout - GUID for EventGroup if NULL act the same as gBS->CreateEvent().
Event - Pointer to the newly created event if the call succeeds; undefined otherwise
Returns:
EFI_SUCCESS - The event structure was created
EFI_INVALID_PARAMETER - One of the parameters has an invalid value
EFI_OUT_OF_RESOURCES - The event could not be allocated
--*/
;
EFI_STATUS
EFIAPI
CoreSetTimer (
IN EFI_EVENT Event,
IN EFI_TIMER_DELAY Type,
IN UINT64 TriggerTime
)
/*++
Routine Description:
Sets the type of timer and the trigger time for a timer event.
Arguments:
UserEvent - The timer event that is to be signaled at the specified time
Type - The type of time that is specified in TriggerTime
TriggerTime - The number of 100ns units until the timer expires
Returns:
EFI_SUCCESS - The event has been set to be signaled at the requested time
EFI_INVALID_PARAMETER - Event or Type is not valid
--*/
;
EFI_STATUS
EFIAPI
CoreSignalEvent (
IN EFI_EVENT Event
)
/*++
Routine Description:
Signals the event. Queues the event to be notified if needed
Arguments:
Event - The event to signal
Returns:
EFI_INVALID_PARAMETER - Parameters are not valid.
EFI_SUCCESS - The event was signaled.
--*/
;
EFI_STATUS
EFIAPI
CoreWaitForEvent (
IN UINTN NumberOfEvents,
IN EFI_EVENT *UserEvents,
OUT UINTN *UserIndex
)
/*++
Routine Description:
Stops execution until an event is signaled.
Arguments:
NumberOfEvents - The number of events in the UserEvents array
UserEvents - An array of EFI_EVENT
UserIndex - Pointer to the index of the event which satisfied the wait condition
Returns:
EFI_SUCCESS - The event indicated by Index was signaled.
EFI_INVALID_PARAMETER - The event indicated by Index has a notification function or
Event was not a valid type
EFI_UNSUPPORTED - The current TPL is not TPL_APPLICATION
--*/
;
EFI_STATUS
EFIAPI
CoreCloseEvent (
IN EFI_EVENT Event
)
/*++
Routine Description:
Closes an event and frees the event structure.
Arguments:
UserEvent - Event to close
Returns:
EFI_INVALID_PARAMETER - Parameters are not valid.
EFI_SUCCESS - The event has been closed
--*/
;
EFI_STATUS
EFIAPI
CoreCheckEvent (
IN EFI_EVENT Event
)
/*++
Routine Description:
Check the status of an event
Arguments:
UserEvent - The event to check
Returns:
EFI_SUCCESS - The event is in the signaled state
EFI_NOT_READY - The event is not in the signaled state
EFI_INVALID_PARAMETER - Event is of type EVT_NOTIFY_SIGNAL
--*/
;
EFI_STATUS
CoreAddMemorySpace (
IN EFI_GCD_MEMORY_TYPE GcdMemoryType,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN UINT64 Capabilities
)
/*++
Routine Description:
Add a segment of memory space to GCD map and add all available pages in this segment
as memory descriptors.
Arguments:
GcdMemoryType - Memory type of the segment.
BaseAddress - Base address of the segment.
Length - Length of the segment.
Capabilities - alterable attributes of the segment.
Returns:
EFI_SUCCESS - Merged this segment into GCD map.
--*/
;
EFI_STATUS
CoreAllocateMemorySpace (
IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,
IN EFI_GCD_MEMORY_TYPE GcdMemoryType,
IN UINTN Alignment,
IN UINT64 Length,
IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE DeviceHandle OPTIONAL
)
/*++
Routine Description:
Allocate memory space on GCD map.
Arguments:
GcdAllocateType - The type of allocate operation
GcdMemoryType - The desired memory type
Alignment - Align with 2^Alignment
Length - Length to allocate
BaseAddress - Base address to allocate
ImageHandle - The image handle consume the allocated space.
DeviceHandle - The device handle consume the allocated space.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter.
EFI_NOT_FOUND - No descriptor contains the desired space.
EFI_SUCCESS - Memory space successfully allocated.
--*/
;
EFI_STATUS
CoreFreeMemorySpace (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:Routine Description:
Free a segment of memory space in GCD map.
Arguments:
BaseAddress - Base address of the segment.
Length - Length of the segment.
Returns:
EFI_SUCCESS - Space successfully freed.
--*/
;
EFI_STATUS
CoreRemoveMemorySpace (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:Routine Description:
Remove a segment of memory space in GCD map.
Arguments:
BaseAddress - Base address of the segment.
Length - Length of the segment.
Returns:
EFI_SUCCESS - Successfully a segment of memory space.
--*/
;
EFI_STATUS
CoreGetMemorySpaceDescriptor (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor
)
/*++
Routine Description:
Search all entries in GCD map which contains specified segment and build it to a descriptor.
Arguments:
BaseAddress - Specified start address
Descriptor - Specified length
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_SUCCESS - Successfully get memory space descriptor.
--*/
;
EFI_STATUS
CoreSetMemorySpaceAttributes (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN UINT64 Attributes
)
/*++
Routine Description:
Set memory space with specified attributes.
Arguments:
BaseAddress - Specified start address
Length - Specified length
Attributes - Specified attributes
Returns:
EFI_SUCCESS - Successfully set attribute of a segment of memory space.
--*/
;
EFI_STATUS
CoreGetMemorySpaceMap (
OUT UINTN *NumberOfDescriptors,
OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap
)
/*++
Routine Description:
Transer all entries of GCD memory map into memory descriptors and pass to caller.
Arguments:
NumberOfDescriptors - Number of descriptors.
MemorySpaceMap - Descriptor array
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
EFI_SUCCESS - Successfully get memory space map.
--*/
;
EFI_STATUS
CoreAddIoSpace (
IN EFI_GCD_IO_TYPE GcdIoType,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:
Add a segment of IO space to GCD map.
Arguments:
GcdIoType - IO type of the segment.
BaseAddress - Base address of the segment.
Length - Length of the segment.
Returns:
EFI_SUCCESS - Merged this segment into GCD map.
--*/
;
EFI_STATUS
CoreAllocateIoSpace (
IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,
IN EFI_GCD_IO_TYPE GcdIoType,
IN UINTN Alignment,
IN UINT64 Length,
IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE DeviceHandle OPTIONAL
)
/*++
Routine Description:
Allocate IO space on GCD map.
Arguments:
GcdAllocateType - The type of allocate operation
GcdIoType - The desired IO type
Alignment - Align with 2^Alignment
Length - Length to allocate
BaseAddress - Base address to allocate
ImageHandle - The image handle consume the allocated space.
DeviceHandle - The device handle consume the allocated space.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter.
EFI_NOT_FOUND - No descriptor contains the desired space.
EFI_SUCCESS - IO space successfully allocated.
--*/
;
EFI_STATUS
CoreFreeIoSpace (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:Routine Description:
Free a segment of IO space in GCD map.
Arguments:
BaseAddress - Base address of the segment.
Length - Length of the segment.
Returns:
EFI_SUCCESS - Space successfully freed.
--*/
;
EFI_STATUS
CoreRemoveIoSpace (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:Routine Description:
Remove a segment of IO space in GCD map.
Arguments:
BaseAddress - Base address of the segment.
Length - Length of the segment.
Returns:
EFI_SUCCESS - Successfully removed a segment of IO space.
--*/
;
EFI_STATUS
CoreGetIoSpaceDescriptor (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor
)
/*++
Routine Description:
Search all entries in GCD map which contains specified segment and build it to a descriptor.
Arguments:
BaseAddress - Specified start address
Descriptor - Specified length
Returns:
EFI_INVALID_PARAMETER - Descriptor is NULL.
EFI_SUCCESS - Successfully get the IO space descriptor.
--*/
;
EFI_STATUS
CoreGetIoSpaceMap (
OUT UINTN *NumberOfDescriptors,
OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap
)
/*++
Routine Description:
Transer all entries of GCD IO map into IO descriptors and pass to caller.
Arguments:
NumberOfDescriptors - Number of descriptors.
IoSpaceMap - Descriptor array
Returns:
EFI_INVALID_PARAMETER - Invalid parameter
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
EFI_SUCCESS - Successfully get IO space map.
--*/
;
EFI_DXESERVICE
EFI_STATUS
EFIAPI
CoreDispatcher (
VOID
)
/*++
Routine Description:
This is the main Dispatcher for DXE and it exits when there are no more
drivers to run. Drain the mScheduledQueue and load and start a PE
image for each driver. Search the mDiscoveredList to see if any driver can
be placed on the mScheduledQueue. If no drivers are placed on the
mScheduledQueue exit the function. On exit it is assumed the Bds()
will be called, and when the Bds() exits the Dispatcher will be called
again.
Arguments:
NONE
Returns:
EFI_ALREADY_STARTED - The DXE Dispatcher is already running
EFI_NOT_FOUND - No DXE Drivers were dispatched
EFI_SUCCESS - One or more DXE Drivers were dispatched
--*/
;
EFI_DXESERVICE
EFI_STATUS
EFIAPI
CoreSchedule (
IN EFI_HANDLE FirmwareVolumeHandle,
IN EFI_GUID *DriverName
)
/*++
Routine Description:
Check every driver and locate a matching one. If the driver is found, the Unrequested
state flag is cleared.
Arguments:
FirmwareVolumeHandle - The handle of the Firmware Volume that contains the firmware
file specified by DriverName.
DriverName - The Driver name to put in the Dependent state.
Returns:
EFI_SUCCESS - The DriverName was found and it's SOR bit was cleared
EFI_NOT_FOUND - The DriverName does not exist or it's SOR bit was not set.
--*/
;
EFI_DXESERVICE
EFI_STATUS
EFIAPI
CoreTrust (
IN EFI_HANDLE FirmwareVolumeHandle,
IN EFI_GUID *DriverName
)
/*++
Routine Description:
Convert a driver from the Untrused back to the Scheduled state
Arguments:
FirmwareVolumeHandle - The handle of the Firmware Volume that contains the firmware
file specified by DriverName.
DriverName - The Driver name to put in the Scheduled state
Returns:
EFI_SUCCESS - The file was found in the untrusted state, and it was promoted
to the trusted state.
EFI_NOT_FOUND - The file was not found in the untrusted state.
--*/
;
BOOLEAN
CoreGrowBuffer (
IN OUT EFI_STATUS *Status,
IN OUT VOID **Buffer,
IN UINTN BufferSize
)
/*++
Routine Description:
Helper function called as part of the code needed
to allocate the proper sized buffer for various
EFI interfaces.
Arguments:
Status - Current status
Buffer - Current allocated buffer, or NULL
BufferSize - Current buffer size needed
Returns:
TRUE - if the buffer was reallocated and the caller
should try the API again.
FALSE - buffer could not be allocated and the caller
should not try the API again.
--*/
;
EFI_STATUS
EFIAPI
FwVolDriverInit (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
This routine is the driver initialization entry point. It initializes the
libraries, and registers two notification functions. These notification
functions are responsible for building the FV stack dynamically.
Arguments:
ImageHandle - The image handle.
SystemTable - The system table.
Returns:
EFI_SUCCESS - Function successfully returned.
--*/
;
EFI_STATUS
EFIAPI
InitializeSectionExtraction (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Entry point of the section extraction code. Initializes an instance of the
section extraction interface and installs it on a new handle.
Arguments:
ImageHandle EFI_HANDLE: A handle for the image that is initializing this driver
SystemTable EFI_SYSTEM_TABLE: A pointer to the EFI system table
Returns:
EFI_SUCCESS: Driver initialized successfully
EFI_OUT_OF_RESOURCES: Could not allocate needed resources
--*/
;
EFI_STATUS
CoreProcessFirmwareVolume (
IN VOID *FvHeader,
IN UINTN Size,
OUT EFI_HANDLE *FVProtocolHandle
)
/*++
Routine Description:
This DXE service routine is used to process a firmware volume. In
particular, it can be called by BDS to process a single firmware
volume found in a capsule.
Arguments:
FvHeader - pointer to a firmware volume header
Size - the size of the buffer pointed to by FvHeader
FVProtocolHandle - the handle on which a firmware volume protocol
was produced for the firmware volume passed in.
Returns:
EFI_OUT_OF_RESOURCES - if an FVB could not be produced due to lack of
system resources
EFI_VOLUME_CORRUPTED - if the volume was corrupted
EFI_SUCCESS - a firmware volume protocol was produced for the
firmware volume
--*/
;
//
//Functions used during debug buils
//
VOID
CoreDisplayMissingArchProtocols (
VOID
)
/*++
Routine Description:
Displays Architectural protocols that were not loaded and are required for DXE core to function
Only used in Debug Builds
Arguments:
NONE
Returns:
NONE
--*/;
VOID
CoreDisplayDiscoveredNotDispatched (
VOID
)
/*++
Routine Description:
Traverse the discovered list for any drivers that were discovered but not loaded
because the dependency experessions evaluated to false
Arguments:
NONE
Returns:
NONE
--*/;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg0 (
VOID
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
None
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg1 (
UINTN Arg1
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
Arg1 - Undefined
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg2 (
UINTN Arg1,
UINTN Arg2
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
Arg1 - Undefined
Arg2 - Undefined
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg3 (
UINTN Arg1,
UINTN Arg2,
UINTN Arg3
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
Arg1 - Undefined
Arg2 - Undefined
Arg3 - Undefined
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg4 (
UINTN Arg1,
UINTN Arg2,
UINTN Arg3,
UINTN Arg4
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
Arg1 - Undefined
Arg2 - Undefined
Arg3 - Undefined
Arg4 - Undefined
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
EFIAPI
CoreEfiNotAvailableYetArg5 (
UINTN Arg1,
UINTN Arg2,
UINTN Arg3,
UINTN Arg4,
UINTN Arg5
)
/*++
Routine Description:
Place holder function until all the Boot Services and Runtime Services are available
Arguments:
Arg1 - Undefined
Arg2 - Undefined
Arg3 - Undefined
Arg4 - Undefined
Arg5 - Undefined
Returns:
EFI_NOT_AVAILABLE_YET
--*/
;
EFI_STATUS
CoreGetPeiProtocol (
IN EFI_GUID *ProtocolGuid,
IN VOID **Interface
)
/*++
Routine Description:
Searches for a Protocol Interface passed from PEI through a HOB
Arguments:
ProtocolGuid - The Protocol GUID to search for in the HOB List
Interface - A pointer to the interface for the Protocol GUID
Returns:
EFI_SUCCESS - The Protocol GUID was found and its interface is returned in Interface
EFI_NOT_FOUND - The Protocol GUID was not found in the HOB List
--*/
;
EFI_STATUS
DxeMainUefiDecompressGetInfo (
IN EFI_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
OUT UINT32 *DestinationSize,
OUT UINT32 *ScratchSize
);
EFI_STATUS
EFIAPI
DxeMainUefiDecompress (
IN EFI_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
IN OUT VOID *Destination,
IN UINT32 DestinationSize,
IN OUT VOID *Scratch,
IN UINT32 ScratchSize
);
EFI_STATUS
DxeMainTianoDecompressGetInfo (
IN EFI_TIANO_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
OUT UINT32 *DestinationSize,
OUT UINT32 *ScratchSize
);
EFI_STATUS
EFIAPI
DxeMainTianoDecompress (
IN EFI_TIANO_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
IN OUT VOID *Destination,
IN UINT32 DestinationSize,
IN OUT VOID *Scratch,
IN UINT32 ScratchSize
);
EFI_STATUS
DxeMainCustomDecompressGetInfo (
IN EFI_CUSTOMIZED_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
OUT UINT32 *DestinationSize,
OUT UINT32 *ScratchSize
);
EFI_STATUS
EFIAPI
DxeMainCustomDecompress (
IN EFI_CUSTOMIZED_DECOMPRESS_PROTOCOL *This,
IN VOID *Source,
IN UINT32 SourceSize,
IN OUT VOID *Destination,
IN UINT32 DestinationSize,
IN OUT VOID *Scratch,
IN UINT32 ScratchSize
);
#endif
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