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