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Diffstat (limited to 'InOsEmuPkg/Include/Ppi/EmuThunk.h')
-rw-r--r-- | InOsEmuPkg/Include/Ppi/EmuThunk.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/InOsEmuPkg/Include/Ppi/EmuThunk.h b/InOsEmuPkg/Include/Ppi/EmuThunk.h new file mode 100644 index 0000000000..61047e3bfd --- /dev/null +++ b/InOsEmuPkg/Include/Ppi/EmuThunk.h @@ -0,0 +1,128 @@ +/** @file
+ Emulator Thunk to abstract OS services from pure EFI code
+
+ Copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __EMU_THUNK_PPI_H__
+#define __EMU_THUNK_PPI_H__
+
+#define EMU_THUNK_PPI_GUID \
+ { 0xB958B78C, 0x1D3E, 0xEE40, { 0x8B, 0xF4, 0xF0, 0x63, 0x2D, 0x06, 0x39, 0x16 } }
+
+
+
+/*++
+
+Routine Description:
+ This service is called from Index == 0 until it returns EFI_UNSUPPORTED.
+ It allows discontiguous memory regions to be supported by the emulator.
+
+Arguments:
+ Index - Which memory region to use
+ MemoryBase - Return Base address of memory region
+ MemorySize - Return size in bytes of the memory region
+
+Returns:
+ EFI_SUCCESS - If memory region was mapped
+ EFI_UNSUPPORTED - If Index is not supported
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EMU_PEI_AUTOSCAN) (
+ IN UINTN Index,
+ OUT EFI_PHYSICAL_ADDRESS *MemoryBase,
+ OUT UINT64 *MemorySize
+ );
+
+
+/*++
+
+Routine Description:
+ Return the FD Size and base address. Since the FD is loaded from a
+ file into host memory only the SEC will know it's address.
+
+Arguments:
+ Index - Which FD, starts at zero.
+ FdSize - Size of the FD in bytes
+ FdBase - Start address of the FD. Assume it points to an FV Header
+ FixUp - Difference between actual FD address and build address
+
+Returns:
+ EFI_SUCCESS - Return the Base address and size of the FV
+ EFI_UNSUPPORTED - Index does nto map to an FD in the system
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EMU_PEI_FD_INFORMATION) (
+ IN UINTN Index,
+ IN OUT EFI_PHYSICAL_ADDRESS *FdBase,
+ IN OUT UINT64 *FdSize,
+ IN OUT EFI_PHYSICAL_ADDRESS *FixUp
+ );
+
+
+/*++
+
+Routine Description:
+ Export of EMU_THUNK_PROTOCOL from the SEC.
+
+Returns:
+ EFI_SUCCESS - Data returned
+
+**/
+typedef
+VOID *
+(EFIAPI *EMU_PEI_THUNK_INTERFACE) (
+ VOID
+ );
+
+
+
+/*++
+
+Routine Description:
+ Loads and relocates a PE/COFF image into memory.
+
+Arguments:
+ Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated
+ ImageAddress - The base address of the relocated PE/COFF image
+ ImageSize - The size of the relocated PE/COFF image
+ EntryPoint - The entry point of the relocated PE/COFF image
+
+Returns:
+ EFI_SUCCESS - The file was loaded and relocated
+ EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EMU_PEI_LOAD_FILE) (
+ VOID *Pe32Data,
+ EFI_PHYSICAL_ADDRESS *ImageAddress,
+ UINT64 *ImageSize,
+ EFI_PHYSICAL_ADDRESS *EntryPoint
+ );
+
+
+typedef struct {
+ EMU_PEI_AUTOSCAN MemoryAutoScan;
+ EMU_PEI_FD_INFORMATION FirmwareDevices;
+ EMU_PEI_THUNK_INTERFACE Thunk;
+ EMU_PEI_LOAD_FILE LoadFile;
+} EMU_THUNK_PPI;
+
+extern EFI_GUID gEmuThunkPpiGuid;
+
+#endif
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