arch/alpha/include/asm/pal.h

   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 */