[deliverable/linux.git] / arch / alpha / include / asm / pal.h

#ifndef __ALPHA_PAL_H
#define __ALPHA_PAL_H

/*
 * Common PAL-code
 */
#define PAL_halt	  0
#define PAL_cflush	  1
#define PAL_draina	  2
#define PAL_bpt		128
#define PAL_bugchk	129
#define PAL_chmk	131
#define PAL_callsys	131
#define PAL_imb		134
#define PAL_rduniq	158
#define PAL_wruniq	159
#define PAL_gentrap	170
#define PAL_nphalt	190

/*
 * VMS specific PAL-code
 */
#define PAL_swppal	10
#define PAL_mfpr_vptb	41

/*
 * OSF specific PAL-code
 */
#define PAL_cserve	 9
#define PAL_wripir	13
#define PAL_rdmces	16
#define PAL_wrmces	17
#define PAL_wrfen	43
#define PAL_wrvptptr	45
#define PAL_jtopal	46
#define PAL_swpctx	48
#define PAL_wrval	49
#define PAL_rdval	50
#define PAL_tbi		51
#define PAL_wrent	52
#define PAL_swpipl	53
#define PAL_rdps	54
#define PAL_wrkgp	55
#define PAL_wrusp	56
#define PAL_wrperfmon	57
#define PAL_rdusp	58
#define PAL_whami	60
#define PAL_retsys	61
#define PAL_rti		63

#ifdef __KERNEL__
#ifndef __ASSEMBLY__

extern void halt(void) __attribute__((noreturn));
#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))

#define imb() \
__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")

#define draina() \
__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory")

#define __CALL_PAL_R0(NAME, TYPE)				\
extern inline TYPE NAME(void)					\
{								\
	register TYPE __r0 __asm__("$0");			\
	__asm__ __volatile__(					\
		"call_pal %1 # " #NAME				\
		:"=r" (__r0)					\
		:"i" (PAL_ ## NAME)				\
		:"$1", "$16", "$22", "$23", "$24", "$25");	\
	return __r0;						\
}

#define __CALL_PAL_W1(NAME, TYPE0)				\
extern inline void NAME(TYPE0 arg0)				\
{								\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	__asm__ __volatile__(					\
		"call_pal %1 # "#NAME				\
		: "=r"(__r16)					\
		: "i"(PAL_ ## NAME), "0"(__r16)			\
		: "$1", "$22", "$23", "$24", "$25");		\
}

#define __CALL_PAL_W2(NAME, TYPE0, TYPE1)			\
extern inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
{								\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	register TYPE1 __r17 __asm__("$17") = arg1;		\
	__asm__ __volatile__(					\
		"call_pal %2 # "#NAME				\
		: "=r"(__r16), "=r"(__r17)			\
		: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17)	\
		: "$1", "$22", "$23", "$24", "$25");		\
}

#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0)			\
extern inline RTYPE NAME(TYPE0 arg0)				\
{								\
	register RTYPE __r0 __asm__("$0");			\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	__asm__ __volatile__(					\
		"call_pal %2 # "#NAME				\
		: "=r"(__r16), "=r"(__r0)			\
		: "i"(PAL_ ## NAME), "0"(__r16)			\
		: "$1", "$22", "$23", "$24", "$25");		\
	return __r0;						\
}

#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1)		\
extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)		\
{								\
	register RTYPE __r0 __asm__("$0");			\
	register TYPE0 __r16 __asm__("$16") = arg0;		\
	register TYPE1 __r17 __asm__("$17") = arg1;		\
	__asm__ __volatile__(					\
		"call_pal %3 # "#NAME				\
		: "=r"(__r16), "=r"(__r17), "=r"(__r0)		\
		: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17)	\
		: "$1", "$22", "$23", "$24", "$25");		\
	return __r0;						\
}

__CALL_PAL_W1(cflush, unsigned long);
__CALL_PAL_R0(rdmces, unsigned long);
__CALL_PAL_R0(rdps, unsigned long);
__CALL_PAL_R0(rdusp, unsigned long);
__CALL_PAL_RW1(swpipl, unsigned long, unsigned long);
__CALL_PAL_R0(whami, unsigned long);
__CALL_PAL_W2(wrent, void*, unsigned long);
__CALL_PAL_W1(wripir, unsigned long);
__CALL_PAL_W1(wrkgp, unsigned long);
__CALL_PAL_W1(wrmces, unsigned long);
__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long);
__CALL_PAL_W1(wrusp, unsigned long);
__CALL_PAL_W1(wrvptptr, unsigned long);

/*
 * TB routines..
 */
#define __tbi(nr,arg,arg1...)					\
({								\
	register unsigned long __r16 __asm__("$16") = (nr);	\
	register unsigned long __r17 __asm__("$17"); arg;	\
	__asm__ __volatile__(					\
		"call_pal %3 #__tbi"				\
		:"=r" (__r16),"=r" (__r17)			\
		:"0" (__r16),"i" (PAL_tbi) ,##arg1		\
		:"$0", "$1", "$22", "$23", "$24", "$25");	\
})

#define tbi(x,y)	__tbi(x,__r17=(y),"1" (__r17))
#define tbisi(x)	__tbi(1,__r17=(x),"1" (__r17))
#define tbisd(x)	__tbi(2,__r17=(x),"1" (__r17))
#define tbis(x)		__tbi(3,__r17=(x),"1" (__r17))
#define tbiap()		__tbi(-1, /* no second argument */)
#define tbia()		__tbi(-2, /* no second argument */)

#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */

#endif /* __ALPHA_PAL_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ALPHA_PAL_H
	2	#define __ALPHA_PAL_H
	3
	4	/*
	5	* Common PAL-code
	6	*/
	7	#define PAL_halt 0
	8	#define PAL_cflush 1
	9	#define PAL_draina 2
	10	#define PAL_bpt 128
	11	#define PAL_bugchk 129
	12	#define PAL_chmk 131
	13	#define PAL_callsys 131
	14	#define PAL_imb 134
	15	#define PAL_rduniq 158
	16	#define PAL_wruniq 159
	17	#define PAL_gentrap 170
	18	#define PAL_nphalt 190
	19
	20	/*
	21	* VMS specific PAL-code
	22	*/
	23	#define PAL_swppal 10
	24	#define PAL_mfpr_vptb 41
	25
	26	/*
	27	* OSF specific PAL-code
	28	*/
	29	#define PAL_cserve 9
	30	#define PAL_wripir 13
	31	#define PAL_rdmces 16
	32	#define PAL_wrmces 17
	33	#define PAL_wrfen 43
	34	#define PAL_wrvptptr 45
	35	#define PAL_jtopal 46
	36	#define PAL_swpctx 48
	37	#define PAL_wrval 49
	38	#define PAL_rdval 50
	39	#define PAL_tbi 51
	40	#define PAL_wrent 52
	41	#define PAL_swpipl 53
	42	#define PAL_rdps 54
	43	#define PAL_wrkgp 55
	44	#define PAL_wrusp 56
	45	#define PAL_wrperfmon 57
	46	#define PAL_rdusp 58
	47	#define PAL_whami 60
	48	#define PAL_retsys 61
	49	#define PAL_rti 63
	50
ec221208 DH	51	#ifdef __KERNEL__
	52	#ifndef __ASSEMBLY__
	53
	54	extern void halt(void) __attribute__((noreturn));
	55	#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))
	56
	57	#define imb() \
	58	__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
	59
	60	#define draina() \
	61	__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory")
	62
	63	#define __CALL_PAL_R0(NAME, TYPE) \
	64	extern inline TYPE NAME(void) \
	65	{ \
	66	register TYPE __r0 __asm__("$0"); \
	67	__asm__ __volatile__( \
	68	"call_pal %1 # " #NAME \
	69	:"=r" (__r0) \
	70	:"i" (PAL_ ## NAME) \
	71	:"$1", "$16", "$22", "$23", "$24", "$25"); \
	72	return __r0; \
	73	}
	74
	75	#define __CALL_PAL_W1(NAME, TYPE0) \
	76	extern inline void NAME(TYPE0 arg0) \
	77	{ \
	78	register TYPE0 __r16 __asm__("$16") = arg0; \
	79	__asm__ __volatile__( \
	80	"call_pal %1 # "#NAME \
	81	: "=r"(__r16) \
	82	: "i"(PAL_ ## NAME), "0"(__r16) \
	83	: "$1", "$22", "$23", "$24", "$25"); \
	84	}
	85
	86	#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \
	87	extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \
	88	{ \
	89	register TYPE0 __r16 __asm__("$16") = arg0; \
	90	register TYPE1 __r17 __asm__("$17") = arg1; \
	91	__asm__ __volatile__( \
	92	"call_pal %2 # "#NAME \
	93	: "=r"(__r16), "=r"(__r17) \
	94	: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \
	95	: "$1", "$22", "$23", "$24", "$25"); \
	96	}
	97
	98	#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \
	99	extern inline RTYPE NAME(TYPE0 arg0) \
	100	{ \
	101	register RTYPE __r0 __asm__("$0"); \
	102	register TYPE0 __r16 __asm__("$16") = arg0; \
	103	__asm__ __volatile__( \
	104	"call_pal %2 # "#NAME \
	105	: "=r"(__r16), "=r"(__r0) \
	106	: "i"(PAL_ ## NAME), "0"(__r16) \
	107	: "$1", "$22", "$23", "$24", "$25"); \
	108	return __r0; \
	109	}
	110
	111	#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \
	112	extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \
	113	{ \
	114	register RTYPE __r0 __asm__("$0"); \
115	register TYPE0 __r16 __asm__("$16") = arg0; \
116	register TYPE1 __r17 __asm__("$17") = arg1; \
117	__asm__ __volatile__( \
118	"call_pal %3 # "#NAME \
119	: "=r"(__r16), "=r"(__r17), "=r"(__r0) \
120	: "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \
121	: "$1", "$22", "$23", "$24", "$25"); \
122	return __r0; \
123	}
124
125	__CALL_PAL_W1(cflush, unsigned long);
126	__CALL_PAL_R0(rdmces, unsigned long);
127	__CALL_PAL_R0(rdps, unsigned long);
128	__CALL_PAL_R0(rdusp, unsigned long);
129	__CALL_PAL_RW1(swpipl, unsigned long, unsigned long);
130	__CALL_PAL_R0(whami, unsigned long);
131	__CALL_PAL_W2(wrent, void*, unsigned long);
132	__CALL_PAL_W1(wripir, unsigned long);
133	__CALL_PAL_W1(wrkgp, unsigned long);
134	__CALL_PAL_W1(wrmces, unsigned long);
135	__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long);
136	__CALL_PAL_W1(wrusp, unsigned long);
137	__CALL_PAL_W1(wrvptptr, unsigned long);
138
139	/*
140	* TB routines..
141	*/
142	#define __tbi(nr,arg,arg1...) \
143	({ \
144	register unsigned long __r16 __asm__("$16") = (nr); \
145	register unsigned long __r17 __asm__("$17"); arg; \
146	__asm__ __volatile__( \
147	"call_pal %3 #__tbi" \
148	:"=r" (__r16),"=r" (__r17) \
149	:"0" (__r16),"i" (PAL_tbi) ,##arg1 \
150	:"$0", "$1", "$22", "$23", "$24", "$25"); \
151	})
152
153	#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17))
154	#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17))
155	#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17))
156	#define tbis(x) __tbi(3,__r17=(x),"1" (__r17))
157	#define tbiap() __tbi(-1, /* no second argument */)
158	#define tbia() __tbi(-2, /* no second argument */)
159
160	#endif /* !__ASSEMBLY__ */
161	#endif /* __KERNEL__ */
162
1da177e4	163	#endif /* __ALPHA_PAL_H */