linux/arch/alpha/include/asm/pal.h

164 lines
4.3 KiB
C

#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 */