| #ifndef __UM_SYSTEM_GENERIC_H |
| #define __UM_SYSTEM_GENERIC_H |
| #include "asm/arch/system.h" |
| 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 { typecheck(unsigned long, flags); \ |
| (flags) = get_signals(); } while(0) |
| #define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ |
| 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() \ |
| local_save_flags(flags); \ |
| extern void *_switch_to(void *prev, void *next, void *last); |
| #define switch_to(prev, next, last) prev = _switch_to(prev, next, last) |