| #ifndef __UM_SYSTEM_GENERIC_H |
| #define __UM_SYSTEM_GENERIC_H |
| |
| #include "asm/arch/system.h" |
| |
| #undef prepare_to_switch |
| #undef switch_to |
| #undef __save_flags |
| #undef save_flags |
| #undef __restore_flags |
| #undef restore_flags |
| #undef __cli |
| #undef __sti |
| #undef cli |
| #undef sti |
| #undef local_irq_save |
| #undef local_irq_restore |
| #undef local_irq_disable |
| #undef local_irq_enable |
| |
| #define prepare_to_switch() do ; while(0) |
| |
| void *_switch_to(void *prev, void *next); |
| |
| #define switch_to(prev, next, last) prev = _switch_to(prev, next) |
| |
| extern int get_signals(void); |
| extern int set_signals(int enable); |
| extern void block_signals(void); |
| extern void unblock_signals(void); |
| |
| #define local_irq_save(flags) do { (flags) = set_signals(0); } while(0) |
| |
| #define local_irq_restore(flags) do { set_signals(flags); } while(0) |
| |
| #define local_irq_enable() unblock_signals() |
| #define local_irq_disable() block_signals() |
| |
| #define __sti() unblock_signals() |
| #define sti() unblock_signals() |
| #define __cli() block_signals() |
| #define cli() block_signals() |
| |
| #define __save_flags(x) do { (x) = get_signals(); } while(0) |
| #define save_flags(x) __save_flags(x) |
| |
| #define __restore_flags(x) local_irq_restore(x) |
| #define restore_flags(x) __restore_flags(x) |
| |
| #endif |
