You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
925 B
47 lines
925 B
#ifndef __UM_SYSTEM_GENERIC_H
|
|
#define __UM_SYSTEM_GENERIC_H
|
|
|
|
#include "sysdep/system.h"
|
|
|
|
extern int get_signals(void);
|
|
extern int set_signals(int enable);
|
|
extern void block_signals(void);
|
|
extern void unblock_signals(void);
|
|
|
|
static inline unsigned long arch_local_save_flags(void)
|
|
{
|
|
return get_signals();
|
|
}
|
|
|
|
static inline void arch_local_irq_restore(unsigned long flags)
|
|
{
|
|
set_signals(flags);
|
|
}
|
|
|
|
static inline void arch_local_irq_enable(void)
|
|
{
|
|
unblock_signals();
|
|
}
|
|
|
|
static inline void arch_local_irq_disable(void)
|
|
{
|
|
block_signals();
|
|
}
|
|
|
|
static inline unsigned long arch_local_irq_save(void)
|
|
{
|
|
unsigned long flags;
|
|
flags = arch_local_save_flags();
|
|
arch_local_irq_disable();
|
|
return flags;
|
|
}
|
|
|
|
static inline bool arch_irqs_disabled(void)
|
|
{
|
|
return arch_local_save_flags() == 0;
|
|
}
|
|
|
|
extern void *_switch_to(void *prev, void *next, void *last);
|
|
#define switch_to(prev, next, last) prev = _switch_to(prev, next, last)
|
|
|
|
#endif
|
|
|