1 #ifndef _M68K_IRQFLAGS_H
2 #define _M68K_IRQFLAGS_H
4 #include <linux/types.h>
5 #include <linux/hardirq.h>
6 #include <linux/preempt.h>
7 #include <asm/thread_info.h>
10 static inline unsigned long arch_local_save_flags(void)
13 asm volatile ("movew %%sr,%0" : "=d" (flags) : : "memory");
17 static inline void arch_local_irq_disable(void)
19 #ifdef CONFIG_COLDFIRE
22 "ori.l #0x0700,%%d0 \n\t"
26 : "cc", "%d0", "memory");
28 asm volatile ("oriw #0x0700,%%sr" : : : "memory");
32 static inline void arch_local_irq_enable(void)
34 #if defined(CONFIG_COLDFIRE)
37 "andi.l #0xf8ff,%%d0 \n\t"
41 : "cc", "%d0", "memory");
43 # if defined(CONFIG_MMU)
44 if (MACH_IS_Q40 || !hardirq_count())
54 static inline unsigned long arch_local_irq_save(void)
56 unsigned long flags = arch_local_save_flags();
57 arch_local_irq_disable();
61 static inline void arch_local_irq_restore(unsigned long flags)
63 asm volatile ("movew %0,%%sr" : : "d" (flags) : "memory");
66 static inline bool arch_irqs_disabled_flags(unsigned long flags)
68 return (flags & ~ALLOWINT) != 0;
71 static inline bool arch_irqs_disabled(void)
73 return arch_irqs_disabled_flags(arch_local_save_flags());
76 #endif /* _M68K_IRQFLAGS_H */