MdePkg/Library/BaseLib/RiscV64/GetInterruptState.c

   1 /** @file
   2   CPU get interrupt state function for RISC-V
   3
   4   Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7 **/
   8
   9 #include "BaseLibInternals.h"
  10
  11 extern UINT32
  12 RiscVGetSupervisorModeInterrupts (
  13   VOID
  14   );
  15
  16 /**
  17   Retrieves the current CPU interrupt state.
  18
  19   Returns TRUE is interrupts are currently enabled. Otherwise
  20   returns FALSE.
  21
  22   @retval TRUE  CPU interrupts are enabled.
  23   @retval FALSE CPU interrupts are disabled.
  24
  25 **/
  26 BOOLEAN
  27 EFIAPI
  28 GetInterruptState (
  29   VOID
  30   )
  31 {
  32   unsigned long  RetValue;
  33
  34   RetValue = RiscVGetSupervisorModeInterrupts ();
  35   return RetValue ? TRUE : FALSE;
  36 }