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
  27 static inline unsigned long arch_local_save_flags(void)
  28 {
  29         return __vmgetie();
  30 }
  31
  32 static inline unsigned long arch_local_irq_save(void)
  33 {
  34         return __vmsetie(VM_INT_DISABLE);
  35 }
  36
  37 static inline bool arch_irqs_disabled_flags(unsigned long flags)
  38 {
  39         return !flags;
  40 }
  41
  42 static inline bool arch_irqs_disabled(void)
  43 {
  44         return !__vmgetie();
  45 }
  46
  47 static inline void arch_local_irq_enable(void)
  48 {
  49         __vmsetie(VM_INT_ENABLE);
  50 }
  51
  52 static inline void arch_local_irq_disable(void)
  53 {
  54         __vmsetie(VM_INT_DISABLE);
  55 }
  56
  57 static inline void arch_local_irq_restore(unsigned long flags)
  58 {
  59         __vmsetie(flags);
  60 }
  61
  62 #endif