diff options
Diffstat (limited to 'EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage')
2 files changed, 119 insertions, 0 deletions
diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointer.c b/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointer.c new file mode 100644 index 0000000000..4b4db5cafe --- /dev/null +++ b/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointer.c @@ -0,0 +1,75 @@ +/** @file
+ PEI Services Table Pointer Library.
+
+ Store PEI Services Table pointer via gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage.
+ This emulates a platform SRAM. The PI mechaism does not work in the emulator due to
+ lack of privledge.
+
+ Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+ Portiions copyrigth (c) 2011, Apple Inc. 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.
+
+**/
+
+#include <PiPei.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/EmuMagicPageLib.h>
+
+
+/**
+ Caches a pointer PEI Services Table.
+
+ Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
+ in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
+ Pre-EFI Initialization Core Interface Specification.
+
+ If PeiServicesTablePointer is NULL, then ASSERT().
+
+ @param PeiServicesTablePointer The address of PeiServices pointer.
+**/
+VOID
+EFIAPI
+SetPeiServicesTablePointer (
+ IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
+ )
+{
+ ASSERT (PeiServicesTablePointer != NULL);
+ ASSERT (*PeiServicesTablePointer != NULL);
+ EMU_MAGIC_PAGE()->PeiServicesTablePointer = PeiServicesTablePointer;
+}
+
+/**
+ Retrieves the cached value of the PEI Services Table pointer.
+
+ Returns the cached value of the PEI Services Table pointer in a CPU specific manner
+ as specified in the CPU binding section of the Platform Initialization Pre-EFI
+ Initialization Core Interface Specification.
+
+ If the cached PEI Services Table pointer is NULL, then ASSERT().
+
+ @return The pointer to PeiServices.
+
+**/
+CONST EFI_PEI_SERVICES **
+EFIAPI
+GetPeiServicesTablePointer (
+ VOID
+ )
+{
+ CONST EFI_PEI_SERVICES **PeiServicesTablePointer;
+
+ PeiServicesTablePointer = EMU_MAGIC_PAGE()->PeiServicesTablePointer;
+ ASSERT (PeiServicesTablePointer != NULL);
+ ASSERT (*PeiServicesTablePointer != NULL);
+ return PeiServicesTablePointer;
+}
+
+
+
diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointerLibMagicPage.inf b/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointerLibMagicPage.inf new file mode 100644 index 0000000000..60c584e0e5 --- /dev/null +++ b/EmulatorPkg/Library/PeiServicesTablePointerLibMagicPage/PeiServicesTablePointerLibMagicPage.inf @@ -0,0 +1,44 @@ +## @file
+# PEI Services Table Pointer Library.
+#
+# Store PEI Services Table pointer via gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage.
+# This emulates a platform SRAM. The PI mechaism does not work in the emulator due to
+# lack of privledge.
+#
+# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2011, Apple Inc. 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = EmulatorPkgPeiServicesTablePointerLib
+ FILE_GUID = 7488FC06-370A-1C41-B05C-7395559A535A
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PeiServicesTablePointerLib|PEIM PEI_CORE SEC
+
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only)
+#
+
+[Sources]
+ PeiServicesTablePointer.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ EmulatorPkg/EmulatorPkg.dec
+
+[LibraryClasses]
+ DebugLib
+
+[Pcd]
+ gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage
|