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769c333a61
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3223 In the current design, memory protection is not available till CpuDxe is loaded. To resolve this, introduce CpuArchLib to move the CPU Architectural initialization to DxeCore. Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Vitaly Cheptsov <vit9696@protonmail.com> Signed-off-by: Marvin Häuser <mhaeuser@posteo.de>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/** @file
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Dummy instance of UEFI Boot Services Table Library for DxeCore.
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Relies on and sanity-checks that DxeCore provides the variables itself.
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Copyright (c) 2021, Marvin Häuser. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DebugLib.h>
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/**
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The constructor function sanity-checks the variables set by DxeCore.
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It will always return EFI_SUCCESS.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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UefiBootServicesTableLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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//
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// ASSERT that DxeCore provides the services correctly and in time
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//
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ASSERT (gImageHandle == ImageHandle);
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ASSERT (gImageHandle != NULL);
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ASSERT (gST == SystemTable);
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ASSERT (gST != NULL);
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ASSERT (gBS == gST->BootServices);
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ASSERT (gBS != NULL);
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return EFI_SUCCESS;
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}
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