DxeHobListLib.c

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#include <Uefi.h>
 
VOID  *gHobList = NULL;
 
BOOLEAN
LocalCompareGuid (
  IN CONST GUID  *Guid1,
  IN CONST GUID  *Guid2
  )
{
  UINT64  *Left;
  UINT64  *Right;
 
  Left  = (UINT64 *)Guid1;
  Right = (UINT64 *)Guid2;
 
  return (BOOLEAN)(Left[0] == Right[0] && Left[1] == Right[1]);
}
 
EFI_STATUS
EFIAPI
DxeHobListLibConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  UINTN  Index;
 
  for (Index = 0; Index < SystemTable->NumberOfTableEntries; Index++) {
    if (LocalCompareGuid (&gEfiHobListGuid, &SystemTable->ConfigurationTable[Index].VendorGuid)) {
      gHobList = SystemTable->ConfigurationTable[Index].VendorTable;
      return EFI_SUCCESS;
    }
  }
 
  return EFI_NOT_FOUND;
}