From a889d46680e1c699e1d60e5027fc3538b0443d75 Mon Sep 17 00:00:00 2001 From: Jeff Fan Date: Fri, 22 Nov 2013 06:02:20 +0000 Subject: Add Reserve Interrupt and Exception Vectors definition defined in PI 1.2.1. Signed-off-by: Jeff Fan Reviewed-by: Liming Gao git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14882 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Include/Guid/VectorHandoffTable.h | 33 ++++++++++++++ MdePkg/Include/Ppi/VectorHandoffInfo.h | 75 ++++++++++++++++++++++++++++++++ 2 files changed, 108 insertions(+) create mode 100644 MdePkg/Include/Guid/VectorHandoffTable.h create mode 100644 MdePkg/Include/Ppi/VectorHandoffInfo.h (limited to 'MdePkg/Include') 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.
+ 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 + +// +// 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.
+ 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 -- cgit v1.2.3