diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2013-11-22 06:02:20 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-11-22 06:02:20 +0000 |
| commit | a889d46680e1c699e1d60e5027fc3538b0443d75 (patch) | |
| tree | d9b0135923feb8a5aad68cb02a1ae7b88aa3677b /MdePkg/Include | |
| parent | 64a5bae21fd84cc808170c4f0169435807959051 (diff) | |
Add Reserve Interrupt and Exception Vectors definition defined in PI 1.2.1.
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14882 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include')
| -rw-r--r-- | MdePkg/Include/Guid/VectorHandoffTable.h | 33 | ||||
| -rw-r--r-- | MdePkg/Include/Ppi/VectorHandoffInfo.h | 75 |
2 files changed, 108 insertions, 0 deletions
diff --git a/MdePkg/Include/Guid/VectorHandoffTable.h b/MdePkg/Include/Guid/VectorHandoffTable.h new file mode 100644 index 0000000000..a3b3a95e89 --- /dev/null +++ b/MdePkg/Include/Guid/VectorHandoffTable.h @@ -0,0 +1,33 @@ +/** @file
+ GUID for system configuration table entry that points to the table
+ in case an entity in DXE wishes to update/change the vector table contents.
+
+ Copyright (c) 2013, Intel Corporation. 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.
+
+ @par Revision Reference:
+ GUID defined in PI 1.2.1 spec.
+**/
+
+#ifndef __EFI_VECTOR_HANDOFF_TABLE_H__
+#define __EFI_VECTOR_HANDOFF_TABLE_H__
+
+#include <Ppi/VectorHandoffInfo.h>
+
+//
+// System configuration table entry that points to the table
+// in case an entity in DXE wishes to update/change the vector
+// table contents.
+//
+#define EFI_VECTOR_HANDOF_TABLE_GUID \
+ { 0x996ec11c, 0x5397, 0x4e73, { 0xb5, 0x8f, 0x82, 0x7e, 0x52, 0x90, 0x6d, 0xef }}
+
+extern EFI_GUID gEfiVectorHandoffTableGuid;
+
+#endif
diff --git a/MdePkg/Include/Ppi/VectorHandoffInfo.h b/MdePkg/Include/Ppi/VectorHandoffInfo.h new file mode 100644 index 0000000000..84cad70463 --- /dev/null +++ b/MdePkg/Include/Ppi/VectorHandoffInfo.h @@ -0,0 +1,75 @@ +/** @file
+ This file declares Vector Handoff Info PPI that describes an array of
+ interrupt and/or exception vectors that are in use and need to persist.
+
+ This is an optional PPI that may be produced by SEC. If present, it provides
+ a description of the interrupt and/or exception vectors that were established
+ in the SEC Phase and need to persist into PEI and DXE.
+
+ Copyright (c) 2013, Intel Corporation. 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.
+
+ @par Revision Reference:
+ This PPI is introduced in PI Version 1.2.1.
+
+**/
+
+#ifndef __VECTOR_HANDOFF_INFO_H__
+#define __VECTOR_HANDOFF_INFO_H__
+
+///
+/// NOTE: EFI_PEI_VECTOR_HANDOFF_INFO_PPI_GUID can also be used in the PEI Phase
+/// to build a GUIDed HOB that contains an array of EFI_VECTOR_HANDOFF_INFO.
+///
+#define EFI_PEI_VECTOR_HANDOFF_INFO_PPI_GUID \
+ { 0x3cd652b4, 0x6d33, 0x4dce, { 0x89, 0xdb, 0x83, 0xdf, 0x97, 0x66, 0xfc, 0xca }}
+
+///
+/// Vector Handoff Info Attributes
+///@{
+#define EFI_VECTOR_HANDOFF_DO_NOT_HOOK 0x00000000
+#define EFI_VECTOR_HANDOFF_HOOK_BEFORE 0x00000001
+#define EFI_VECTOR_HANDOFF_HOOK_AFTER 0x00000002
+#define EFI_VECTOR_HANDOFF_LAST_ENTRY 0x80000000
+///@}
+
+///
+/// EFI_VECTOR_HANDOFF_INFO entries that describes the interrupt and/or
+/// exception vectors in use in the PEI Phase.
+///
+typedef struct {
+ //
+ // The interrupt or exception vector that is in use and must be preserved.
+ //
+ UINT32 VectorNumber;
+ //
+ // A bitmask that describes the attributes ofthe interrupt or exception vector.
+ //
+ UINT32 Attribute;
+ //
+ // The GUID identifies the party who created the entry. For the
+ // EFI_VECTOR_HANDOFF_DO_NOT_HOOK case, this establishes the single owner.
+ //
+ EFI_GUID Owner;
+} EFI_VECTOR_HANDOFF_INFO;
+
+///
+/// Provides a description of the interrupt and/or exception vectors that
+/// were established in the SEC Phase and need to persist into PEI and DXE.
+///
+typedef struct _EFI_PEI_VECTOR_HANDOFF_INFO_PPI {
+ //
+ // Pointer to an array of interrupt and /or exception vectors.
+ //
+ EFI_VECTOR_HANDOFF_INFO *Info;
+} EFI_PEI_VECTOR_HANDOFF_INFO_PPI;
+
+extern EFI_GUID gEfiVectorHandoffInfoPpiGuid;
+
+#endif
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