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67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/** @file
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This file declares DXE Initial Program Load PPI.
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When the PEI core is done it calls the DXE IPL PPI to load the DXE Foundation.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is introduced in PI Version 1.0.
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**/
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#ifndef __DXE_IPL_H__
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#define __DXE_IPL_H__
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#define EFI_DXE_IPL_PPI_GUID \
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{ \
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0xae8ce5d, 0xe448, 0x4437, {0xa8, 0xd7, 0xeb, 0xf5, 0xf1, 0x94, 0xf7, 0x31 } \
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}
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typedef struct _EFI_DXE_IPL_PPI EFI_DXE_IPL_PPI;
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/**
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The architectural PPI that the PEI Foundation invokes when
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there are no additional PEIMs to invoke.
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This function is invoked by the PEI Foundation.
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The PEI Foundation will invoke this service when there are
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no additional PEIMs to invoke in the system.
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If this PPI does not exist, it is an error condition and
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an ill-formed firmware set. The DXE IPL PPI should never
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return after having been invoked by the PEI Foundation.
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The DXE IPL PPI can do many things internally, including the following:
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- Invoke the DXE entry point from a firmware volume
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- Invoke the recovery processing modules
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- Invoke the S3 resume modules
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@param This Pointer to the DXE IPL PPI instance
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@param PeiServices Pointer to the PEI Services Table.
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@param HobList Pointer to the list of Hand-Off Block (HOB) entries.
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@retval EFI_SUCCESS Upon this return code, the PEI Foundation should enter
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some exception handling.Under normal circumstances,
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the DXE IPL PPI should not return.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DXE_IPL_ENTRY)(
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IN CONST EFI_DXE_IPL_PPI *This,
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_HOB_POINTERS HobList
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);
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///
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/// Final service to be invoked by the PEI Foundation.
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/// The DXE IPL PPI is responsible for locating and loading the DXE Foundation.
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/// The DXE IPL PPI may use PEI services to locate and load the DXE Foundation.
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///
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struct _EFI_DXE_IPL_PPI {
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EFI_DXE_IPL_ENTRY Entry;
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};
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extern EFI_GUID gEfiDxeIplPpiGuid;
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#endif
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