#ifndef _M68K_IRQFLAGS_H #define _M68K_IRQFLAGS_H #include <linux/types.h> #ifdef CONFIG_MMU #include <linux/hardirq.h> #endif #include <linux/preempt.h> #include <asm/thread_info.h> #include <asm/entry.h> static inline unsigned long arch_local_save_flags(void) { unsigned long flags; asm volatile ("movew %%sr,%0" : "=d" (flags) : : "memory"); return flags; } static inline void arch_local_irq_disable(void) { #ifdef CONFIG_COLDFIRE asm volatile ( "move %/sr,%%d0 \n\t" "ori.l #0x0700,%%d0 \n\t" "move %%d0,%/sr \n" : /* no outputs */ : : "cc", "%d0", "memory"); #else asm volatile ("oriw #0x0700,%%sr" : : : "memory"); #endif } static inline void arch_local_irq_enable(void) { #if defined(CONFIG_COLDFIRE) asm volatile ( "move %/sr,%%d0 \n\t" "andi.l #0xf8ff,%%d0 \n\t" "move %%d0,%/sr \n" : /* no outputs */ : : "cc", "%d0", "memory"); #else # if defined(CONFIG_MMU) if (MACH_IS_Q40 || !hardirq_count()) # endif asm volatile ( "andiw %0,%%sr" : : "i" (ALLOWINT) : "memory"); #endif } static inline unsigned long arch_local_irq_save(void) { unsigned long flags = arch_local_save_flags(); arch_local_irq_disable(); return flags; } static inline void arch_local_irq_restore(unsigned long flags) { asm volatile ("movew %0,%%sr" : : "d" (flags) : "memory"); } static inline bool arch_irqs_disabled_flags(unsigned long flags) { return (flags & ~ALLOWINT) != 0; } static inline bool arch_irqs_disabled(void) { return arch_irqs_disabled_flags(arch_local_save_flags()); } #endif /* _M68K_IRQFLAGS_H */