DebugHelp.c

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#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/OcDebugLogLib.h>
#include <Library/OcMiscLib.h>
 
VOID
#if defined (__GNUC__) || defined (__clang__)
__attribute__ ((noinline))
#endif
DebugBreak (
  VOID
  ) {
  //
  // This function has no code, debuggers may break on it.
  //
}
 
VOID
WaitForKeyPress (
  IN  CONST CHAR16  *Message
  )
{
  EFI_STATUS        Status;
  EFI_INPUT_KEY     Key;
  volatile BOOLEAN  Proceed;
 
  //
  // Print message.
  //
  gST->ConOut->OutputString (gST->ConOut, (CHAR16 *)Message);
  gST->ConOut->OutputString (gST->ConOut, (CHAR16 *)L"\r\n");
 
  //
  // Skip previously pressed characters.
  //
  do {
    Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
  } while (!EFI_ERROR (Status));
 
  //
  // Wait for debugger signal or key press.
  //
  Proceed = FALSE;
  while (EFI_ERROR (Status) && !Proceed) {
    Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
    DebugBreak ();
  }
}