Linux Kernel  3.7.1
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irqflags.h
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1 #ifndef _H8300_IRQFLAGS_H
2 #define _H8300_IRQFLAGS_H
3 
4 static inline unsigned long arch_local_save_flags(void)
5 {
6  unsigned long flags;
7  asm volatile ("stc ccr,%w0" : "=r" (flags));
8  return flags;
9 }
10 
11 static inline void arch_local_irq_disable(void)
12 {
13  asm volatile ("orc #0x80,ccr" : : : "memory");
14 }
15 
16 static inline void arch_local_irq_enable(void)
17 {
18  asm volatile ("andc #0x7f,ccr" : : : "memory");
19 }
20 
21 static inline unsigned long arch_local_irq_save(void)
22 {
23  unsigned long flags = arch_local_save_flags();
25  return flags;
26 }
27 
28 static inline void arch_local_irq_restore(unsigned long flags)
29 {
30  asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory");
31 }
32 
33 static inline bool arch_irqs_disabled_flags(unsigned long flags)
34 {
35  return (flags & 0x80) == 0x80;
36 }
37 
38 static inline bool arch_irqs_disabled(void)
39 {
41 }
42 
43 #endif /* _H8300_IRQFLAGS_H */