--- /dev/null
+/** @file\r
+ Public include file for the SMM CPU Platform Hook Library.\r
+\r
+ Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef __SMM_CPU_PLATFORM_HOOK_LIB_H__\r
+#define __SMM_CPU_PLATFORM_HOOK_LIB_H__\r
+\r
+///\r
+/// SMM Page Size Type\r
+///\r
+typedef enum {\r
+ SmmPageSize4K,\r
+ SmmPageSize2M,\r
+ SmmPageSize1G,\r
+ MaxSmmPageSizeType\r
+} SMM_PAGE_SIZE_TYPE;\r
+\r
+/**\r
+ Checks if platform produces a valid SMI.\r
+\r
+ This function checks if platform produces a valid SMI. This function is\r
+ called at SMM entry to detect if this is a spurious SMI. This function\r
+ must be implemented in an MP safe way because it is called by multiple CPU\r
+ threads.\r
+\r
+ @retval TRUE There is a valid SMI\r
+ @retval FALSE There is no valid SMI\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+PlatformValidSmi (\r
+ VOID\r
+ );\r
+\r
+/**\r
+ Clears platform top level SMI status bit.\r
+\r
+ This function clears platform top level SMI status bit.\r
+\r
+ @retval TRUE The platform top level SMI status is cleared.\r
+ @retval FALSE The platform top level SMI status cannot be cleared.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+ClearTopLevelSmiStatus (\r
+ VOID\r
+ );\r
+\r
+/**\r
+ Performs platform specific way of SMM BSP election.\r
+\r
+ This function performs platform specific way of SMM BSP election.\r
+\r
+ @param IsBsp Output parameter. TRUE: the CPU this function executes\r
+ on is elected to be the SMM BSP. FALSE: the CPU this\r
+ function executes on is to be SMM AP.\r
+\r
+ @retval EFI_SUCCESS The function executes successfully.\r
+ @retval EFI_NOT_READY The function does not determine whether this CPU should be\r
+ BSP or AP. This may occur if hardware init sequence to\r
+ enable the determination is yet to be done, or the function\r
+ chooses not to do BSP election and will let SMM CPU driver to\r
+ use its default BSP election process.\r
+ @retval EFI_DEVICE_ERROR The function cannot determine whether this CPU should be\r
+ BSP or AP due to hardware error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformSmmBspElection (\r
+ OUT BOOLEAN *IsBsp\r
+ );\r
+\r
+/**\r
+ Get platform page table attribute .\r
+\r
+ This function gets page table attribute of platform.\r
+\r
+ @param Address Input parameter. Obtain the page table entries attribute on this address.\r
+ @param PageSize Output parameter. The size of the page.\r
+ @param NumOfPages Output parameter. Number of page.\r
+ @param PageAttribute Output parameter. Paging Attributes (WB, UC, etc).\r
+\r
+ @retval EFI_SUCCESS The platform page table attribute from the address is determined.\r
+ @retval EFI_UNSUPPORTED The platform does not support getting page table attribute for the address.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetPlatformPageTableAttribute (\r
+ IN UINT64 Address,\r
+ OUT SMM_PAGE_SIZE_TYPE *PageSize,\r
+ OUT UINTN *NumOfPages,\r
+ OUT UINTN *PageAttribute\r
+ );\r
+\r
+#endif\r
--- /dev/null
+/** @file\r
+SMM CPU Platform Hook NULL library instance.\r
+\r
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+#include <PiSmm.h>\r
+#include <Library/SmmCpuPlatformHookLib.h>\r
+\r
+/**\r
+ Checks if platform produces a valid SMI.\r
+\r
+ This function checks if platform produces a valid SMI. This function is\r
+ called at SMM entry to detect if this is a spurious SMI. This function\r
+ must be implemented in an MP safe way because it is called by multiple CPU\r
+ threads.\r
+\r
+ @retval TRUE There is a valid SMI\r
+ @retval FALSE There is no valid SMI\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+PlatformValidSmi (\r
+ VOID\r
+ )\r
+{\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Clears platform top level SMI status bit.\r
+\r
+ This function clears platform top level SMI status bit.\r
+\r
+ @retval TRUE The platform top level SMI status is cleared.\r
+ @retval FALSE The platform top level SMI status cannot be cleared.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+ClearTopLevelSmiStatus (\r
+ VOID\r
+ )\r
+{\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Performs platform specific way of SMM BSP election.\r
+\r
+ This function performs platform specific way of SMM BSP election.\r
+\r
+ @param IsBsp Output parameter. TRUE: the CPU this function executes\r
+ on is elected to be the SMM BSP. FALSE: the CPU this\r
+ function executes on is to be SMM AP.\r
+\r
+ @retval EFI_SUCCESS The function executes successfully.\r
+ @retval EFI_NOT_READY The function does not determine whether this CPU should be\r
+ BSP or AP. This may occur if hardware init sequence to\r
+ enable the determination is yet to be done, or the function\r
+ chooses not to do BSP election and will let SMM CPU driver to\r
+ use its default BSP election process.\r
+ @retval EFI_DEVICE_ERROR The function cannot determine whether this CPU should be\r
+ BSP or AP due to hardware error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformSmmBspElection (\r
+ OUT BOOLEAN *IsBsp\r
+ )\r
+{\r
+ return EFI_NOT_READY;\r
+}\r
+\r
+/**\r
+ Get platform page table attribute.\r
+\r
+ This function gets page table attribute of platform.\r
+\r
+ @param Address Input parameter. Obtain the page table entries attribute on this address.\r
+ @param PageSize Output parameter. The size of the page.\r
+ @param NumOfPages Output parameter. Number of page.\r
+ @param PageAttribute Output parameter. Paging Attributes (WB, UC, etc).\r
+\r
+ @retval EFI_SUCCESS The platform page table attribute from the address is determined.\r
+ @retval EFI_UNSUPPORTED The platform does not support getting page table attribute for the address.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetPlatformPageTableAttribute (\r
+ IN UINT64 Address,\r
+ IN OUT SMM_PAGE_SIZE_TYPE *PageSize,\r
+ IN OUT UINTN *NumOfPages,\r
+ IN OUT UINTN *PageAttribute\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
--- /dev/null
+## @file\r
+# SMM CPU Platform Hook NULL library instance.\r
+#\r
+# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
+# This program and the accompanying materials\r
+# are licensed and made available under the terms and conditions of the BSD License\r
+# which accompanies this distribution. The full text of the license may be found at\r
+# http://opensource.org/licenses/bsd-license.php\r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+##\r
+\r
+################################################################################\r
+#\r
+# Defines Section - statements that will be processed to create a Makefile.\r
+#\r
+################################################################################\r
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = SmmCpuPlatformHookLibNull\r
+ MODULE_UNI_FILE = SmmCpuPlatformHookLibNull.uni\r
+ FILE_GUID = D6494E1B-E06F-4ab5-B64D-48B25AA9EB33\r
+ MODULE_TYPE = DXE_DRIVER\r
+ VERSION_STRING = 1.0\r
+ LIBRARY_CLASS = SmmCpuPlatformHookLib\r
+\r
+#\r
+# The following information is for reference only and not required by the build tools.\r
+#\r
+# VALID_ARCHITECTURES = IA32 X64\r
+#\r
+\r
+[Sources]\r
+ SmmCpuPlatformHookLibNull.c\r
+\r
+[Packages]\r
+ MdePkg/MdePkg.dec\r
+ UefiCpuPkg/UefiCpuPkg.dec\r