Unix version of EFI emulator

[mirror_edk2.git] / EdkUnixPkg / Library / EdkUnixPeiPeCoffGetEntryPointLib / PeCoffGetEntryPoint.c

diff --git a/EdkUnixPkg/Library/EdkUnixPeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/EdkUnixPkg/Library/EdkUnixPeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
new file mode 100644 (file)
index 0000000..c0d0a01
--- /dev/null
+++ b/EdkUnixPkg/Library/EdkUnixPeiPeCoffGetEntryPointLib/PeCoffGetEntryPoint.c
@@ -0,0 +1,75 @@
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation\r
+All rights reserved. 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
+Module Name:\r
+\r
+  PeCoffGetEntryPoint.c\r
+\r
+Abstract:\r
+\r
+  Tiano PE/COFF loader\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+\r
+RETURN_STATUS\r
+EFIAPI\r
+PeCoffLoaderGetEntryPoint (\r
+  IN     VOID  *Pe32Data,\r
+  IN OUT VOID  **EntryPoint\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+  Loads a PE/COFF image into memory\r
+\r
+Arguments:\r
+\r
+  Pe32Data   - Pointer to a PE/COFF Image\r
+\r
+  EntryPoint - Pointer to the entry point of the PE/COFF image\r
+\r
+Returns:\r
+\r
+  EFI_SUCCESS            if the EntryPoint was returned\r
+  EFI_INVALID_PARAMETER  if the EntryPoint could not be found from Pe32Data\r
+\r
+--*/\r
+{\r
+  EFI_STATUS              Status;\r
+  EFI_PEI_PPI_DESCRIPTOR  *PpiDescriptor;\r
+  UNIX_PEI_LOAD_FILE_PPI *PeiUnixService;\r
+  EFI_PHYSICAL_ADDRESS    ImageAddress;\r
+  UINT64                  ImageSize;\r
+  EFI_PHYSICAL_ADDRESS    ImageEntryPoint;\r
+\r
+  Status = PeiServicesLocatePpi (\r
+             &gUnixPeiLoadFilePpiGuid,\r
+             0,\r
+             &PpiDescriptor,\r
+             (void **)&PeiUnixService\r
+             );\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  Status = PeiUnixService->PeiLoadFileService (\r
+                           Pe32Data,\r
+                           &ImageAddress,\r
+                           &ImageSize,\r
+                           &ImageEntryPoint\r
+                           );\r
+  *EntryPoint = (VOID*)(UINTN)ImageEntryPoint;\r
+  return Status;\r
+}