1 #ifndef __ALPHA_PAL_H 2 #define __ALPHA_PAL_H 3 4 #include <uapi/asm/pal.h> 5 6 #ifndef __ASSEMBLY__ 7 8 extern void halt(void) __attribute__((noreturn)); 9 #define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) 10 11 #define imb() \ 12 __asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") 13 14 #define draina() \ 15 __asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory") 16 17 #define __CALL_PAL_R0(NAME, TYPE) \ 18 extern inline TYPE NAME(void) \ 19 { \ 20 register TYPE __r0 __asm__("$0"); \ 21 __asm__ __volatile__( \ 22 "call_pal %1 # " #NAME \ 23 :"=r" (__r0) \ 24 :"i" (PAL_ ## NAME) \ 25 :"$1", "$16", "$22", "$23", "$24", "$25"); \ 26 return __r0; \ 27 } 28 29 #define __CALL_PAL_W1(NAME, TYPE0) \ 30 extern inline void NAME(TYPE0 arg0) \ 31 { \ 32 register TYPE0 __r16 __asm__("$16") = arg0; \ 33 __asm__ __volatile__( \ 34 "call_pal %1 # "#NAME \ 35 : "=r"(__r16) \ 36 : "i"(PAL_ ## NAME), "0"(__r16) \ 37 : "$1", "$22", "$23", "$24", "$25"); \ 38 } 39 40 #define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \ 41 extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \ 42 { \ 43 register TYPE0 __r16 __asm__("$16") = arg0; \ 44 register TYPE1 __r17 __asm__("$17") = arg1; \ 45 __asm__ __volatile__( \ 46 "call_pal %2 # "#NAME \ 47 : "=r"(__r16), "=r"(__r17) \ 48 : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ 49 : "$1", "$22", "$23", "$24", "$25"); \ 50 } 51 52 #define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \ 53 extern inline RTYPE NAME(TYPE0 arg0) \ 54 { \ 55 register RTYPE __r0 __asm__("$0"); \ 56 register TYPE0 __r16 __asm__("$16") = arg0; \ 57 __asm__ __volatile__( \ 58 "call_pal %2 # "#NAME \ 59 : "=r"(__r16), "=r"(__r0) \ 60 : "i"(PAL_ ## NAME), "0"(__r16) \ 61 : "$1", "$22", "$23", "$24", "$25"); \ 62 return __r0; \ 63 } 64 65 #define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \ 66 extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \ 67 { \ 68 register RTYPE __r0 __asm__("$0"); \ 69 register TYPE0 __r16 __asm__("$16") = arg0; \ 70 register TYPE1 __r17 __asm__("$17") = arg1; \ 71 __asm__ __volatile__( \ 72 "call_pal %3 # "#NAME \ 73 : "=r"(__r16), "=r"(__r17), "=r"(__r0) \ 74 : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ 75 : "$1", "$22", "$23", "$24", "$25"); \ 76 return __r0; \ 77 } 78 79 __CALL_PAL_W1(cflush, unsigned long); 80 __CALL_PAL_R0(rdmces, unsigned long); 81 __CALL_PAL_R0(rdps, unsigned long); 82 __CALL_PAL_R0(rdusp, unsigned long); 83 __CALL_PAL_RW1(swpipl, unsigned long, unsigned long); 84 __CALL_PAL_R0(whami, unsigned long); 85 __CALL_PAL_W2(wrent, void*, unsigned long); 86 __CALL_PAL_W1(wripir, unsigned long); 87 __CALL_PAL_W1(wrkgp, unsigned long); 88 __CALL_PAL_W1(wrmces, unsigned long); 89 __CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); 90 __CALL_PAL_W1(wrusp, unsigned long); 91 __CALL_PAL_W1(wrvptptr, unsigned long); 92 93 /* 94 * TB routines.. 95 */ 96 #define __tbi(nr,arg,arg1...) \ 97 ({ \ 98 register unsigned long __r16 __asm__("$16") = (nr); \ 99 register unsigned long __r17 __asm__("$17"); arg; \ 100 __asm__ __volatile__( \ 101 "call_pal %3 #__tbi" \ 102 :"=r" (__r16),"=r" (__r17) \ 103 :"0" (__r16),"i" (PAL_tbi) ,##arg1 \ 104 :"$0", "$1", "$22", "$23", "$24", "$25"); \ 105 }) 106 107 #define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17)) 108 #define tbisi(x) __tbi(1,__r17=(x),"1" (__r17)) 109 #define tbisd(x) __tbi(2,__r17=(x),"1" (__r17)) 110 #define tbis(x) __tbi(3,__r17=(x),"1" (__r17)) 111 #define tbiap() __tbi(-1, /* no second argument */) 112 #define tbia() __tbi(-2, /* no second argument */) 113 114 #endif /* !__ASSEMBLY__ */ 115 #endif /* __ALPHA_PAL_H */ 116