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/** @file
Runtime Architectural Protocol as defined in PI Specification VOLUME 2 DXE
This code is used to produce the UEFI 2.0 runtime virtual switch over
This driver must add SetVirtualAddressMap () and ConvertPointer () to
the EFI system table. This driver is not responcible for CRCing the
EFI system table.
This driver will add EFI_RUNTIME_ARCH_PROTOCOL_GUID protocol with a
pointer to the Runtime Arch Protocol instance structure. The protocol
member functions are used by the DXE core to export information need
by this driver to produce the runtime transition to virtual mode
calling.
Copyright (c) 2006 - 2008, 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.
**/
#ifndef __ARCH_PROTOCOL_RUNTIME_H__
#define __ARCH_PROTOCOL_RUNTIME_H__
///
/// Global ID for the Runtime Architectural Protocol
///
#define EFI_RUNTIME_ARCH_PROTOCOL_GUID \
{ 0xb7dfb4e1, 0x52f, 0x449f, {0x87, 0xbe, 0x98, 0x18, 0xfc, 0x91, 0xb7, 0x33 } }
typedef struct _EFI_RUNTIME_ARCH_PROTOCOL EFI_RUNTIME_ARCH_PROTOCOL;
///
/// LIST_ENTRY from BaseType
///
typedef LIST_ENTRY EFI_LIST_ENTRY;
typedef struct _EFI_RUNTIME_IMAGE_ENTRY EFI_RUNTIME_IMAGE_ENTRY;
struct _EFI_RUNTIME_IMAGE_ENTRY {
VOID *ImageBase;
UINT64 ImageSize;
VOID *RelocationData;
EFI_HANDLE Handle;
EFI_LIST_ENTRY Link;
};
typedef struct _EFI_RUNTIME_EVENT_ENTRY EFI_RUNTIME_EVENT_ENTRY;
struct _EFI_RUNTIME_EVENT_ENTRY {
UINT32 Type;
EFI_TPL NotifyTpl;
EFI_EVENT_NOTIFY NotifyFunction;
VOID *NotifyContext;
EFI_EVENT *Event;
EFI_LIST_ENTRY Link;
};
///
/// Allows the runtime functionality of the DXE Foundation to be contained in a
/// separate driver. It also provides hooks for the DXE Foundation to export
/// information that is needed at runtime. As such, this protocol allows the DXE
/// Foundation to manage runtime drivers and events. This protocol also implies
/// that the runtime services required to transition to virtual mode,
/// SetVirtualAddressMap() and ConvertPointer(), have been registered into the
/// EFI Runtime Table in the EFI System Partition. This protocol must be produced
/// by a runtime DXE driver and may only be consumed by the DXE Foundation.
///
struct _EFI_RUNTIME_ARCH_PROTOCOL {
EFI_LIST_ENTRY ImageHead; ///< A list of type EFI_RUNTIME_IMAGE_ENTRY.
EFI_LIST_ENTRY EventHead; ///< A list of type EFI_RUNTIME_EVENT_ENTRY.
UINTN MemoryDescriptorSize; ///< Size of a memory descriptor that is return by GetMemoryMap().
UINT32 MemoryDesciptorVersion; ///< Version of a memory descriptor that is return by GetMemoryMap().
UINTN MemoryMapSize;///< Size of the memory map in bytes contained in MemoryMapPhysical and MemoryMapVirtual.
EFI_MEMORY_DESCRIPTOR *MemoryMapPhysical; ///< Pointer to a runtime buffer that contains a copy of
///< the memory map returned via GetMemoryMap().
EFI_MEMORY_DESCRIPTOR *MemoryMapVirtual; ///< Pointer to MemoryMapPhysical that is updated to virtual mode after SetVirtualAddressMap().
BOOLEAN VirtualMode; ///< Boolean that is TRUE if SetVirtualAddressMap() has been called.
BOOLEAN AtRuntime; ///< Boolean that is TRUE if ExitBootServices () has been called.
};
extern EFI_GUID gEfiRuntimeArchProtocolGuid;
#endif
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