mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
41 lines
844 B
C
41 lines
844 B
C
|
#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 */
|