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 63