1 #ifndef _H8300_IRQFLAGS_H
2 #define _H8300_IRQFLAGS_H
3 
arch_local_save_flags(void)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 
arch_local_irq_disable(void)11 static inline void arch_local_irq_disable(void)
12 {
13 	asm volatile ("orc  #0x80,ccr" : : : "memory");
14 }
15 
arch_local_irq_enable(void)16 static inline void arch_local_irq_enable(void)
17 {
18 	asm volatile ("andc #0x7f,ccr" : : : "memory");
19 }
20 
arch_local_irq_save(void)21 static inline unsigned long arch_local_irq_save(void)
22 {
23 	unsigned long flags = arch_local_save_flags();
24 	arch_local_irq_disable();
25 	return flags;
26 }
27 
arch_local_irq_restore(unsigned long flags)28 static inline void arch_local_irq_restore(unsigned long flags)
29 {
30 	asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory");
31 }
32 
arch_irqs_disabled_flags(unsigned long flags)33 static inline bool arch_irqs_disabled_flags(unsigned long flags)
34 {
35 	return (flags & 0x80) == 0x80;
36 }
37 
arch_irqs_disabled(void)38 static inline bool arch_irqs_disabled(void)
39 {
40 	return arch_irqs_disabled_flags(arch_local_save_flags());
41 }
42 
43 #endif /* _H8300_IRQFLAGS_H */
44