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