LXR linux/arch/nds32/include/asm/irqflags.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2// Copyright (C) 2005-2017 Andes Technology Corporation
   3
   4#include <asm/nds32.h>
   5#include <nds32_intrinsic.h>
   6
   7#define arch_local_irq_disable()        \
   8        GIE_DISABLE();
   9
  10#define arch_local_irq_enable() \
  11        GIE_ENABLE();
  12static inline unsigned long arch_local_irq_save(void)
  13{
  14        unsigned long flags;
  15        flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
  16        GIE_DISABLE();
  17        return flags;
  18}
  19
  20static inline unsigned long arch_local_save_flags(void)
  21{
  22        unsigned long flags;
  23        flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
  24        return flags;
  25}
  26
  27static inline void arch_local_irq_restore(unsigned long flags)
  28{
  29        if(flags)
  30                GIE_ENABLE();
  31}
  32
  33static inline int arch_irqs_disabled_flags(unsigned long flags)
  34{
  35        return !flags;
  36}
  37
  38static inline int arch_irqs_disabled(void)
  39{
  40        return arch_irqs_disabled_flags(arch_local_save_flags());
  41}
  42