#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(val, cr) \ { if (__builtin_constant_p(val) && ((val) == 0)) \ __asm__ __volatile__("mtsp %%r0,%0" : : "i" (cr) : "memory"); \ else \ __asm__ __volatile__("mtsp %0,%1" \ : /* no outputs */ \ : "r" (val), "i" (cr) : "memory"); } #endif /* __PARISC_SPECIAL_INSNS_H */