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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
54extern 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) \
64extern 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) \
76extern 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) \
87extern 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) \
99extern 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) \
112extern 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 */