--- /dev/null
+/** @file\r
+ Emulator Thunk to abstract OS services from pure EFI code\r
+\r
+ Copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
+ \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 __EMU_THUNK_PPI_H__\r
+#define __EMU_THUNK_PPI_H__\r
+\r
+#define EMU_THUNK_PPI_GUID \\r
+ { 0xB958B78C, 0x1D3E, 0xEE40, { 0x8B, 0xF4, 0xF0, 0x63, 0x2D, 0x06, 0x39, 0x16 } }\r
+\r
+\r
+\r
+/*++\r
+\r
+Routine Description:\r
+ This service is called from Index == 0 until it returns EFI_UNSUPPORTED.\r
+ It allows discontiguous memory regions to be supported by the emulator.\r
+\r
+Arguments:\r
+ Index - Which memory region to use\r
+ MemoryBase - Return Base address of memory region\r
+ MemorySize - Return size in bytes of the memory region\r
+\r
+Returns:\r
+ EFI_SUCCESS - If memory region was mapped\r
+ EFI_UNSUPPORTED - If Index is not supported\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMU_PEI_AUTOSCAN) (\r
+ IN UINTN Index,\r
+ OUT EFI_PHYSICAL_ADDRESS *MemoryBase,\r
+ OUT UINT64 *MemorySize\r
+ );\r
+\r
+\r
+/*++\r
+\r
+Routine Description:\r
+ Return the FD Size and base address. Since the FD is loaded from a \r
+ file into host memory only the SEC will know it's address.\r
+\r
+Arguments:\r
+ Index - Which FD, starts at zero.\r
+ FdSize - Size of the FD in bytes\r
+ FdBase - Start address of the FD. Assume it points to an FV Header\r
+ FixUp - Difference between actual FD address and build address\r
+\r
+Returns:\r
+ EFI_SUCCESS - Return the Base address and size of the FV\r
+ EFI_UNSUPPORTED - Index does nto map to an FD in the system\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMU_PEI_FD_INFORMATION) (\r
+ IN UINTN Index,\r
+ IN OUT EFI_PHYSICAL_ADDRESS *FdBase,\r
+ IN OUT UINT64 *FdSize,\r
+ IN OUT EFI_PHYSICAL_ADDRESS *FixUp\r
+ );\r
+\r
+\r
+/*++\r
+\r
+Routine Description:\r
+ Export of EMU_THUNK_PROTOCOL from the SEC.\r
+\r
+Returns:\r
+ EFI_SUCCESS - Data returned\r
+\r
+**/\r
+typedef\r
+VOID *\r
+(EFIAPI *EMU_PEI_THUNK_INTERFACE) (\r
+ VOID\r
+ );\r
+\r
+\r
+\r
+/*++\r
+\r
+Routine Description:\r
+ Loads and relocates a PE/COFF image into memory.\r
+\r
+Arguments:\r
+ Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r
+ ImageAddress - The base address of the relocated PE/COFF image\r
+ ImageSize - The size of the relocated PE/COFF image\r
+ EntryPoint - The entry point of the relocated PE/COFF image\r
+\r
+Returns:\r
+ EFI_SUCCESS - The file was loaded and relocated\r
+ EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMU_PEI_LOAD_FILE) (\r
+ VOID *Pe32Data,\r
+ EFI_PHYSICAL_ADDRESS *ImageAddress,\r
+ UINT64 *ImageSize,\r
+ EFI_PHYSICAL_ADDRESS *EntryPoint\r
+ );\r
+\r
+\r
+typedef struct {\r
+ EMU_PEI_AUTOSCAN MemoryAutoScan;\r
+ EMU_PEI_FD_INFORMATION FirmwareDevices;\r
+ EMU_PEI_THUNK_INTERFACE Thunk;\r
+} EMU_THUNK_PPI;\r
+\r
+extern EFI_GUID gEmuThunkPpiGuid;\r
+\r
+#endif\r