diff options
Diffstat (limited to 'InOsEmuPkg/Library/DxeEmuLib/DxeEmuLib.c')
-rw-r--r-- | InOsEmuPkg/Library/DxeEmuLib/DxeEmuLib.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/InOsEmuPkg/Library/DxeEmuLib/DxeEmuLib.c b/InOsEmuPkg/Library/DxeEmuLib/DxeEmuLib.c new file mode 100644 index 0000000000..79e9fbc1ee --- /dev/null +++ b/InOsEmuPkg/Library/DxeEmuLib/DxeEmuLib.c @@ -0,0 +1,52 @@ +/*++ @file
+
+Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2011, Apple Inc. All rights reserved.
+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.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/EmuThunkLib.h>
+
+#include <Protocol/EmuThunk.h>
+
+
+EMU_THUNK_PROTOCOL *gEmuThunk = NULL;
+
+
+/**
+ The constructor function caches the pointer of EMU Thunk protocol.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+DxeEmuLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_HOB_GUID_TYPE *GuidHob;
+
+ GuidHob = GetFirstGuidHob (&gEmuThunkProtocolGuid);
+ ASSERT (GuidHob != NULL);
+
+ gEmuThunk = (EMU_THUNK_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
+ ASSERT (gEmuThunk != NULL);
+
+ return EFI_SUCCESS;
+}
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