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#ifndef _ASMARM_CURRENT_H
#define _ASMARM_CURRENT_H
static inline unsigned long get_sp(void)
{
unsigned long sp;
__asm__ ("mov %0,sp" : "=r" (sp));
return sp;
}
/* Old compilers seem to generate bad code if we allow `current' to be
non volatile. */
#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ > 90)
static inline struct task_struct *get_current(void) __attribute__ (( __const__ ));
#define __VOLATILE_CURRENT
#else
#define __VOLATILE_CURRENT volatile
#endif
static inline struct task_struct *get_current(void)
{
struct task_struct *ts;
__asm__ __VOLATILE_CURRENT (
"bic %0, sp, #0x1f00 @ get_current
bic %0, %0, #0x00ff"
: "=r" (ts));
return ts;
}
#define current (get_current())
#endif /* _ASMARM_CURRENT_H */
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