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#ifndef __UM_SYSTEM_GENERIC_H #define __UM_SYSTEM_GENERIC_H #include "asm/arch/system.h" #undef switch_to #undef local_irq_save #undef local_irq_restore #undef local_irq_disable #undef local_irq_enable #undef local_save_flags #undef local_irq_restore #undef local_irq_enable #undef local_irq_disable #undef local_irq_save #undef irqs_disabled extern void *switch_to(void *prev, void *next, void *last); extern int get_signals(void); extern int set_signals(int enable); extern int get_signals(void); extern void block_signals(void); extern void unblock_signals(void); #define local_save_flags(flags) do { (flags) = get_signals(); } while(0) #define local_irq_restore(flags) do { set_signals(flags); } while(0) #define local_irq_save(flags) do { local_save_flags(flags); \ local_irq_disable(); } while(0) #define local_irq_enable() unblock_signals() #define local_irq_disable() block_signals() #define irqs_disabled() \ ({ \ unsigned long flags; \ local_save_flags(flags); \ (flags == 0); \ }) #endif |