Richard Kuo | 99a70aa | 2011-10-31 18:36:04 -0500 | [diff] [blame] | 1 | /* |
| 2 | * IRQ support for the Hexagon architecture |
| 3 | * |
Richard Kuo | e1858b2 | 2012-09-19 16:22:02 -0500 | [diff] [blame] | 4 | * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. |
Richard Kuo | 99a70aa | 2011-10-31 18:36:04 -0500 | [diff] [blame] | 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 |