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

   1/*
   2 * IRQ support for the Hexagon architecture
   3 *
   4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 and
   8 * only version 2 as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18 * 02110-1301, USA.
  19 */
  20
  21#ifndef _ASM_IRQFLAGS_H
  22#define _ASM_IRQFLAGS_H
  23
  24#include <asm/hexagon_vm.h>
  25#include <linux/types.h>
  26
  27static inline unsigned long arch_local_save_flags(void)
  28{
  29        return __vmgetie();
  30}
  31
  32static inline unsigned long arch_local_irq_save(void)
  33{
  34        return __vmsetie(VM_INT_DISABLE);
  35}
  36
  37static inline bool arch_irqs_disabled_flags(unsigned long flags)
  38{
  39        return !flags;
  40}
  41
  42static inline bool arch_irqs_disabled(void)
  43{
  44        return !__vmgetie();
  45}
  46
  47static inline void arch_local_irq_enable(void)
  48{
  49        __vmsetie(VM_INT_ENABLE);
  50}
  51
  52static inline void arch_local_irq_disable(void)
  53{
  54        __vmsetie(VM_INT_DISABLE);
  55}
  56
  57static inline void arch_local_irq_restore(unsigned long flags)
  58{
  59        __vmsetie(flags);
  60}
  61
  62#endif
  63