This source file includes following definitions.
- arch_local_save_flags
- arch_local_irq_restore
- arch_local_irq_enable
- arch_local_irq_disable
- arch_local_irq_save
- arch_irqs_disabled_flags
- arch_irqs_disabled
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8
9 #ifndef _ASM_IRQFLAGS_H
10 #define _ASM_IRQFLAGS_H
11
12 #ifndef __ASSEMBLY__
13
14
15 static inline unsigned long arch_local_save_flags(void)
16 {
17 unsigned long flags;
18
19 asm volatile (" mvc .s2 CSR,%0\n" : "=b"(flags));
20 return flags;
21 }
22
23
24 static inline void arch_local_irq_restore(unsigned long flags)
25 {
26 asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory");
27 }
28
29
30 static inline void arch_local_irq_enable(void)
31 {
32 unsigned long flags = arch_local_save_flags();
33 flags |= 1;
34 arch_local_irq_restore(flags);
35 }
36
37
38 static inline void arch_local_irq_disable(void)
39 {
40 unsigned long flags = arch_local_save_flags();
41 flags &= ~1;
42 arch_local_irq_restore(flags);
43 }
44
45
46 static inline unsigned long arch_local_irq_save(void)
47 {
48 unsigned long flags;
49
50 flags = arch_local_save_flags();
51 arch_local_irq_restore(flags & ~1);
52 return flags;
53 }
54
55
56 static inline int arch_irqs_disabled_flags(unsigned long flags)
57 {
58 return (flags & 1) == 0;
59 }
60
61
62 static inline int arch_irqs_disabled(void)
63 {
64 return arch_irqs_disabled_flags(arch_local_save_flags());
65 }
66
67 #endif
68 #endif