diff options
Diffstat (limited to 'roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib')
3 files changed, 95 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.c b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.c new file mode 100644 index 000000000..e2e91939e --- /dev/null +++ b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.c @@ -0,0 +1,43 @@ +/** @file
+ UEFI Runtime Services Table Library.
+
+ This library instance retrieve EFI_RUNTIME_SERVICES pointer from EFI system table
+ in library's constructor.
+
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+
+EFI_RUNTIME_SERVICES *gRT = NULL;
+
+/**
+ The constructor function caches the pointer of Runtime Services Table.
+
+ The constructor function caches the pointer of Runtime Services Table.
+ It will ASSERT() if the pointer of Runtime Services Table is NULL.
+ It will always return EFI_SUCCESS.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiRuntimeServicesTableLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ //
+ // Cache pointer to the EFI Runtime Services Table
+ //
+ gRT = SystemTable->RuntimeServices;
+ ASSERT (gRT != NULL);
+ return EFI_SUCCESS;
+}
diff --git a/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf new file mode 100644 index 000000000..43406208c --- /dev/null +++ b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf @@ -0,0 +1,36 @@ +## @file
+# UEFI Runtime Services Table Library implementation.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = UefiRuntimeServicesTableLib
+ MODULE_UNI_FILE = UefiRuntimeServicesTableLib.uni
+ FILE_GUID = 19cbbb97-ff61-45ff-8c3f-dfa66dd118c8
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = UefiRuntimeServicesTableLib|DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER SMM_CORE
+
+ CONSTRUCTOR = UefiRuntimeServicesTableLibConstructor
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ UefiRuntimeServicesTableLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ DebugLib
+
diff --git a/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.uni b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.uni new file mode 100644 index 000000000..da320bb70 --- /dev/null +++ b/roms/edk2/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.uni @@ -0,0 +1,16 @@ +// /** @file
+// UEFI Runtime Services Table Library implementation.
+//
+// UEFI Runtime Services Table Library implementation.
+//
+// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "UEFI Runtime Services Table Library implementation"
+
+#string STR_MODULE_DESCRIPTION #language en-US "UEFI Runtime Services Table Library implementation."
+
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