#ifndef __PARISC_SPECIAL_INSNS_H | |
#define __PARISC_SPECIAL_INSNS_H | |
#define mfctl(reg) ({ \ | |
unsigned long cr; \ | |
__asm__ __volatile__( \ | |
"mfctl " #reg ",%0" : \ | |
"=r" (cr) \ | |
); \ | |
cr; \ | |
}) | |
#define mtctl(gr, cr) \ | |
__asm__ __volatile__("mtctl %0,%1" \ | |
: /* no outputs */ \ | |
: "r" (gr), "i" (cr) : "memory") | |
/* these are here to de-mystefy the calling code, and to provide hooks */ | |
/* which I needed for debugging EIEM problems -PB */ | |
#define get_eiem() mfctl(15) | |
static inline void set_eiem(unsigned long val) | |
{ | |
mtctl(val, 15); | |
} | |
#define mfsp(reg) ({ \ | |
unsigned long cr; \ | |
__asm__ __volatile__( \ | |
"mfsp " #reg ",%0" : \ | |
"=r" (cr) \ | |
); \ | |
cr; \ | |
}) | |
#define mtsp(gr, cr) \ | |
__asm__ __volatile__("mtsp %0,%1" \ | |
: /* no outputs */ \ | |
: "r" (gr), "i" (cr) : "memory") | |
#endif /* __PARISC_SPECIAL_INSNS_H */ |