ConsoleUtils.c

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#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/UefiBootServicesTableLib.h>
 
VOID
OcConsoleFlush (
  VOID
  )
{
  EFI_STATUS     Status;
  EFI_INPUT_KEY  EfiKey;
 
  do {
    Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &EfiKey);
  } while (!EFI_ERROR (Status));
 
  //
  // This one is required on APTIO IV after holding OPT key.
  // Interestingly it does not help adding this after OPT key handling.
  //
  gST->ConIn->Reset (gST->ConIn, FALSE);
}