LXR uboot/arch/xtensa/include/asm/system.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (C) 2016 Cadence Design Systems Inc.
   4 */
   5
   6#ifndef _XTENSA_SYSTEM_H
   7#define _XTENSA_SYSTEM_H
   8
   9#include <asm/arch/core.h>
  10
  11#if XCHAL_HAVE_INTERRUPTS
  12#define local_irq_save(flags) \
  13        __asm__ __volatile__ ("rsil %0, %1" \
  14                              : "=a"(flags) \
  15                              : "I"(XCHAL_EXCM_LEVEL) \
  16                              : "memory")
  17#define local_irq_restore(flags) \
  18        __asm__ __volatile__ ("wsr %0, ps\n\t" \
  19                              "rsync" \
  20                              :: "a"(flags) : "memory")
  21#else
  22#define local_irq_save(flags) ((void)(flags))
  23#define local_irq_restore(flags) ((void)(flags))
  24#endif
  25
  26#endif
  27