diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Library/PeiResourcePublicationLib | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/PeiResourcePublicationLib')
3 files changed, 105 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.c b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.c new file mode 100644 index 000000000..d2833585b --- /dev/null +++ b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.c @@ -0,0 +1,52 @@ +/** @file
+ Resource Publication Library that uses PEI Core Services to publish system memory.
+
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+
+#include <PiPei.h>
+
+
+#include <Library/ResourcePublicationLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/DebugLib.h>
+
+
+/**
+ Declares the presence of permanent system memory in the platform.
+
+ Declares that the system memory buffer specified by MemoryBegin and MemoryLength
+ as permanent memory that may be used for general purpose use by software.
+ The amount of memory available to software may be less than MemoryLength
+ if published memory has alignment restrictions.
+ If MemoryLength is 0, then ASSERT().
+ If MemoryLength is greater than (MAX_ADDRESS - MemoryBegin + 1), then ASSERT().
+
+ @param MemoryBegin The start address of the memory being declared.
+ @param MemoryLength The number of bytes of memory being declared.
+
+ @retval RETURN_SUCCESS The memory buffer was published.
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer
+
+**/
+RETURN_STATUS
+EFIAPI
+PublishSystemMemory (
+ IN PHYSICAL_ADDRESS MemoryBegin,
+ IN UINT64 MemoryLength
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (MemoryLength > 0);
+ ASSERT (MemoryLength <= (MAX_ADDRESS - MemoryBegin + 1));
+
+ Status = PeiServicesInstallPeiMemory (MemoryBegin, MemoryLength);
+
+ return (RETURN_STATUS) Status;
+}
+
diff --git a/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf new file mode 100644 index 000000000..ac239dff0 --- /dev/null +++ b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf @@ -0,0 +1,37 @@ +## @file
+# Instance of Resource Publication Library using PEI Services.
+#
+# Resource Publication Library that uses PEI Services to publish system memory.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PeiResourcePublicationLib
+ MODULE_UNI_FILE = PeiResourcePublicationLib.uni
+ FILE_GUID = e8d6390d-e190-4957-9ab6-d47d51b01336
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResourcePublicationLib|PEIM SEC
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC (EBC is for build only)
+#
+
+[Sources]
+ PeiResourcePublicationLib.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
+ PeiServicesLib
+
diff --git a/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.uni b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.uni new file mode 100644 index 000000000..38312948f --- /dev/null +++ b/roms/edk2/MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.uni @@ -0,0 +1,16 @@ +// /** @file
+// Instance of Resource Publication Library using PEI Services.
+//
+// Resource Publication Library that uses PEI Services to publish system memory.
+//
+// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Instance of Resource Publication Library using PEI Services"
+
+#string STR_MODULE_DESCRIPTION #language en-US "This Resource Publication Library uses PEI Services to publish system memory."
+
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