[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / arch / parisc / include / asm / special_insns.h

#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 */
Commit	Line	Data
527dcdcc DH	1	#ifndef __PARISC_SPECIAL_INSNS_H
	2	#define __PARISC_SPECIAL_INSNS_H
	3
	4	#define mfctl(reg) ({ \
	5	unsigned long cr; \
	6	__asm__ __volatile__( \
	7	"mfctl " #reg ",%0" : \
	8	"=r" (cr) \
	9	); \
	10	cr; \
	11	})
	12
	13	#define mtctl(gr, cr) \
	14	__asm__ __volatile__("mtctl %0,%1" \
	15	: /* no outputs */ \
	16	: "r" (gr), "i" (cr) : "memory")
	17
	18	/* these are here to de-mystefy the calling code, and to provide hooks */
	19	/* which I needed for debugging EIEM problems -PB */
	20	#define get_eiem() mfctl(15)
	21	static inline void set_eiem(unsigned long val)
	22	{
	23	mtctl(val, 15);
	24	}
	25
	26	#define mfsp(reg) ({ \
	27	unsigned long cr; \
	28	__asm__ __volatile__( \
	29	"mfsp " #reg ",%0" : \
	30	"=r" (cr) \
	31	); \
	32	cr; \
	33	})
	34
92b59929 HD	35	#define mtsp(val, cr) \
	36	{ if (__builtin_constant_p(val) && ((val) == 0)) \
	37	__asm__ __volatile__("mtsp %%r0,%0" : : "i" (cr) : "memory"); \
	38	else \
	39	__asm__ __volatile__("mtsp %0,%1" \
527dcdcc	40	: /* no outputs */ \
92b59929	41	: "r" (val), "i" (cr) : "memory"); }
527dcdcc DH	42
527dcdcc DH	43	#endif /* __PARISC_SPECIAL_INSNS_H */