CryptoPkg PeiCryptLib: Enable SHA384/512 support

[mirror_edk2.git] / EmulatorPkg / Library / PeiServicesTablePointerLib / PeiServicesTablePointer.c

diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
index 3454660fecc91d48cdbb5bdbbc237149a6196119..5aaf29638952e634f7874a396676373bfaae28f5 100644 (file)
--- a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
+++ b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
@@ -1,11 +1,11 @@
 /** @file\r
   PEI Services Table Pointer Library.\r
-  \r
+\r
   This library is used for PEIM which does executed from flash device directly but\r
   executed in memory.\r
 \r
   Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
-  Portiions copyrigth (c) 2011, Apple Inc. All rights reserved. \r
+  Portiions copyrigth (c) 2011, Apple Inc. All rights reserved.\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
@@ -26,14 +26,14 @@
 CONST EFI_PEI_SERVICES  **gPeiServices = NULL;\r
 \r
 /**\r
-  Caches a pointer PEI Services Table. \r
- \r
-  Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer \r
-  in a CPU specific manner as specified in the CPU binding section of the Platform Initialization \r
-  Pre-EFI Initialization Core Interface Specification. \r
-  \r
+  Caches a pointer PEI Services Table.\r
+\r
+  Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer\r
+  in a CPU specific manner as specified in the CPU binding section of the Platform Initialization\r
+  Pre-EFI Initialization Core Interface Specification.\r
+\r
   If PeiServicesTablePointer is NULL, then ASSERT().\r
-  \r
+\r
   @param    PeiServicesTablePointer   The address of PeiServices pointer.\r
 **/\r
 VOID\r
@@ -50,10 +50,10 @@ SetPeiServicesTablePointer (
 /**\r
   Retrieves the cached value of the PEI Services Table pointer.\r
 \r
-  Returns the cached value of the PEI Services Table pointer in a CPU specific manner \r
-  as specified in the CPU binding section of the Platform Initialization Pre-EFI \r
+  Returns the cached value of the PEI Services Table pointer in a CPU specific manner\r
+  as specified in the CPU binding section of the Platform Initialization Pre-EFI\r
   Initialization Core Interface Specification.\r
-  \r
+\r
   If the cached PEI Services Table pointer is NULL, then ASSERT().\r
 \r
   @return  The pointer to PeiServices.\r
@@ -101,13 +101,13 @@ PeiServicesTablePointerNotifyCallback (
 EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnThunkList = {\r
   (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
   &gEfiPeiMemoryDiscoveredPpiGuid,\r
-  PeiServicesTablePointerNotifyCallback \r
+  PeiServicesTablePointerNotifyCallback\r
 };\r
 \r
 \r
 /**\r
-  Constructor register notification on when PPI updates. If PPI is \r
-  alreay installed registering the notify will cause the handle to \r
+  Constructor register notification on when PPI updates. If PPI is\r
+  alreay installed registering the notify will cause the handle to\r
   run.\r
 \r
   @param  FileHandle   The handle of FFS header the loaded driver.\r
@@ -133,4 +133,30 @@ PeiServicesTablePointerLibConstructor (
   return Status;\r
 }\r
 \r
+/**\r
+  Perform CPU specific actions required to migrate the PEI Services Table \r
+  pointer from temporary RAM to permanent RAM.\r
+\r
+  For IA32 CPUs, the PEI Services Table pointer is stored in the 4 bytes \r
+  immediately preceding the Interrupt Descriptor Table (IDT) in memory.\r
+  For X64 CPUs, the PEI Services Table pointer is stored in the 8 bytes \r
+  immediately preceding the Interrupt Descriptor Table (IDT) in memory.\r
+  For Itanium and ARM CPUs, a the PEI Services Table Pointer is stored in\r
+  a dedicated CPU register.  This means that there is no memory storage \r
+  associated with storing the PEI Services Table pointer, so no additional \r
+  migration actions are required for Itanium or ARM CPUs.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+MigratePeiServicesTablePointer (\r
+  VOID\r
+  )\r
+{\r
+  //\r
+  //  PEI Services Table pointer is cached in the global variable. No additional \r
+  //  migration actions are required.\r
+  //\r
+  return;\r
+}\r
 \r