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 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__ */ 162 163 #endif /* __ALPHA_PAL_H */ 164