Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

4 files changed, 177 insertions, 0 deletions

diff --git a/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.c b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.c
new file mode 100644
index 000000000..9a5dbb272
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.c
@@ -0,0 +1,92 @@
+/** @file

+A driver allocates common SMM communication buffer in EfiReservedMemoryType.

+

+This driver allocates common SMM communication buffer in EfiReservedMemoryType,

+then it publishes the information to EFI configuration table with

+gEdkiiPiSmmCommunicationRegionTableGuid.

+Any other driver or application can get the table and know the common

+communication buffer.

+

+Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+SPDX-License-Identifier: BSD-2-Clause-Patent

+

+**/

+

+#include <PiDxe.h>

+#include <Library/UefiBootServicesTableLib.h>

+#include <Library/UefiRuntimeServicesTableLib.h>

+#include <Library/BaseLib.h>

+#include <Library/BaseMemoryLib.h>

+#include <Library/MemoryAllocationLib.h>

+#include <Library/DebugLib.h>

+#include <Library/UefiLib.h>

+#include <Guid/PiSmmCommunicationRegionTable.h>

+

+#define DEFAULT_COMMON_PI_SMM_COMMUNIATION_REGION_PAGES  4

+

+/**

+  Entry Point for SMM communication buffer driver.

+

+  @param[in] ImageHandle  Image handle of this driver.

+  @param[in] SystemTable  A Pointer to the EFI System Table.

+

+  @retval EFI_SUCEESS

+  @return Others          Some error occurs.

+**/

+EFI_STATUS

+EFIAPI

+SmmCommunicationBufferEntryPoint (

+  IN EFI_HANDLE        ImageHandle,

+  IN EFI_SYSTEM_TABLE  *SystemTable

+  )

+{

+  EFI_STATUS                               Status;

+  UINT32                                   DescriptorSize;

+  EDKII_PI_SMM_COMMUNICATION_REGION_TABLE  *PiSmmCommunicationRegionTable;

+  EFI_MEMORY_DESCRIPTOR                    *Entry;

+

+  DescriptorSize = sizeof(EFI_MEMORY_DESCRIPTOR);

+  //

+  // Make sure Size != sizeof(EFI_MEMORY_DESCRIPTOR). This will

+  // prevent people from having pointer math bugs in their code.

+  // now you have to use *DescriptorSize to make things work.

+  //

+  DescriptorSize += sizeof(UINT64) - (DescriptorSize % sizeof (UINT64));

+

+  //

+  // Allocate and fill PiSmmCommunicationRegionTable

+  //

+  PiSmmCommunicationRegionTable = AllocateReservedPool (sizeof(EDKII_PI_SMM_COMMUNICATION_REGION_TABLE) + DescriptorSize);

+  ASSERT(PiSmmCommunicationRegionTable != NULL);

+  ZeroMem (PiSmmCommunicationRegionTable, sizeof(EDKII_PI_SMM_COMMUNICATION_REGION_TABLE) + DescriptorSize);

+

+  PiSmmCommunicationRegionTable->Version         = EDKII_PI_SMM_COMMUNICATION_REGION_TABLE_VERSION;

+  PiSmmCommunicationRegionTable->NumberOfEntries = 1;

+  PiSmmCommunicationRegionTable->DescriptorSize  = DescriptorSize;

+  Entry = (EFI_MEMORY_DESCRIPTOR *)(PiSmmCommunicationRegionTable + 1);

+  Entry->Type          = EfiConventionalMemory;

+  Entry->PhysicalStart = (EFI_PHYSICAL_ADDRESS)(UINTN)AllocateReservedPages (DEFAULT_COMMON_PI_SMM_COMMUNIATION_REGION_PAGES);

+  ASSERT(Entry->PhysicalStart != 0);

+  Entry->VirtualStart  = 0;

+  Entry->NumberOfPages = DEFAULT_COMMON_PI_SMM_COMMUNIATION_REGION_PAGES;

+  Entry->Attribute     = 0;

+

+  DEBUG ((EFI_D_INFO, "PiSmmCommunicationRegionTable:(0x%x)\n", PiSmmCommunicationRegionTable));

+  DEBUG ((EFI_D_INFO, "  Version         - 0x%x\n", PiSmmCommunicationRegionTable->Version));

+  DEBUG ((EFI_D_INFO, "  NumberOfEntries - 0x%x\n", PiSmmCommunicationRegionTable->NumberOfEntries));

+  DEBUG ((EFI_D_INFO, "  DescriptorSize  - 0x%x\n", PiSmmCommunicationRegionTable->DescriptorSize));

+  DEBUG ((EFI_D_INFO, "Entry:(0x%x)\n", Entry));

+  DEBUG ((EFI_D_INFO, "  Type            - 0x%x\n", Entry->Type));

+  DEBUG ((EFI_D_INFO, "  PhysicalStart   - 0x%lx\n", Entry->PhysicalStart));

+  DEBUG ((EFI_D_INFO, "  VirtualStart    - 0x%lx\n", Entry->VirtualStart));

+  DEBUG ((EFI_D_INFO, "  NumberOfPages   - 0x%lx\n", Entry->NumberOfPages));

+  DEBUG ((EFI_D_INFO, "  Attribute       - 0x%lx\n", Entry->Attribute));

+

+  //

+  // Publish this table, so that other driver can use the buffer.

+  //

+  Status = gBS->InstallConfigurationTable (&gEdkiiPiSmmCommunicationRegionTableGuid, PiSmmCommunicationRegionTable);

+  ASSERT_EFI_ERROR (Status);

+

+  return Status;

+}

diff --git a/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.inf b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.inf
new file mode 100644
index 000000000..5c867ba1d
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.inf
@@ -0,0 +1,55 @@
+## @file

+# A driver allocates common SMM communication buffer in EfiReservedMemoryType.

+#

+# This driver allocates common SMM communication buffer in EfiReservedMemoryType,

+# then it publishes the information to EFI configuration table with

+# gEdkiiPiSmmCommunicationRegionTableGuid.

+# Any other driver or application can get the table and know the common

+# communication buffer.

+#

+# Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+#

+# SPDX-License-Identifier: BSD-2-Clause-Patent

+#

+##

+

+[Defines]

+  INF_VERSION                    = 0x00010005

+  BASE_NAME                      = SmmCommunicationBufferDxe

+  MODULE_UNI_FILE                = SmmCommunicationBufferDxe.uni

+  FILE_GUID                      = 8FAAD0A7-02B4-432F-8F5C-B880965D8B41

+  MODULE_TYPE                    = DXE_DRIVER

+  VERSION_STRING                 = 1.0

+  ENTRY_POINT                    = SmmCommunicationBufferEntryPoint

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64

+#

+

+[Sources]

+  SmmCommunicationBufferDxe.c

+

+[Packages]

+  MdePkg/MdePkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+

+[LibraryClasses]

+  UefiDriverEntryPoint

+  UefiBootServicesTableLib

+  UefiRuntimeServicesTableLib

+  BaseLib

+  BaseMemoryLib

+  MemoryAllocationLib

+  HobLib

+  DebugLib

+

+[Guids]

+  gEdkiiPiSmmCommunicationRegionTableGuid     ## PRODUCES   ## SystemTable

+

+[Depex]

+  TRUE

+

+[UserExtensions.TianoCore."ExtraFiles"]

+  SmmCommunicationBufferExtraDxe.uni

diff --git a/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.uni b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.uni
new file mode 100644
index 000000000..de047d406
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferDxe.uni
@@ -0,0 +1,18 @@
+// /** @file

+// A driver allocates common SMM communication buffer in EfiReservedMemoryType.

+//

+// This driver allocates common SMM communication buffer in EfiReservedMemoryType,

+// then it publishes the information to EFI configuration table with

+// gEdkiiPiSmmCommunicationRegionTableGuid.

+// Any other driver or application can get the table and know the common

+// communication buffer.

+//

+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+//

+// SPDX-License-Identifier: BSD-2-Clause-Patent

+//

+// **/

+

+#string STR_MODULE_ABSTRACT             #language en-US "A driver allocates common SMM communication buffer in EfiReservedMemoryType."

+

+#string STR_MODULE_DESCRIPTION          #language en-US "This driver allocates common SMM communication buffer in EfiReservedMemoryType, then it publishes the information to EFI configuration table with gEdkiiPiSmmCommunicationRegionTableGuid. Any other driver or application can get the table and know the common communication buffer."

diff --git a/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferExtraDxe.uni b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferExtraDxe.uni
new file mode 100644
index 000000000..3e96020f6
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Universal/SmmCommunicationBufferDxe/SmmCommunicationBufferExtraDxe.uni
@@ -0,0 +1,12 @@
+// /** @file

+// SmmCommunicationBuffer Localized Strings and Content

+//

+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>

+//

+// SPDX-License-Identifier: BSD-2-Clause-Patent

+//

+// **/

+

+#string STR_PROPERTIES_MODULE_NAME

+#language en-US

+"SMM Communication Buffer DXE Driver"