mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/** @file
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Var Check Hii generation from Hii Database.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "VarCheckHiiGen.h"
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/**
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Generate from Hii Database.
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**/
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VOID
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VarCheckHiiGenFromHiiDatabase (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN BufferSize;
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VOID *Buffer;
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EFI_PHYSICAL_ADDRESS BufferAddress;
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EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
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//
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// Locate HII Database protocol
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//
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Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);
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if (EFI_ERROR (Status)) {
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return;
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}
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//
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// Call first time with zero buffer length.
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// Should fail with EFI_BUFFER_TOO_SMALL.
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//
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BufferSize = 0;
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Buffer = NULL;
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Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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//
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// Allocate buffer to hold the HII Database.
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//
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Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, EFI_SIZE_TO_PAGES (BufferSize), &BufferAddress);
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ASSERT_EFI_ERROR (Status);
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Buffer = (VOID *) (UINTN) BufferAddress;
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//
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// Export HII Database into the buffer.
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//
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Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
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ASSERT_EFI_ERROR (Status);
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DEBUG ((DEBUG_INFO , "VarCheckHiiGenDxeFromHii - HII Database exported at 0x%x, size = 0x%x\n", Buffer, BufferSize));
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#ifdef DUMP_HII_DATA
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DEBUG_CODE (
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DumpHiiDatabase (Buffer, BufferSize);
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);
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#endif
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VarCheckParseHiiDatabase (Buffer, BufferSize);
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gBS->FreePages (BufferAddress, EFI_SIZE_TO_PAGES (BufferSize));
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}
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}
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