1#ifndef __ALPHA_PAL_H
2#define __ALPHA_PAL_H
3
4#include <uapi/asm/pal.h>
5
6#ifndef __ASSEMBLY__
7
8extern 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) \
18extern 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) \
30extern 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) \
41extern 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) \
53extern 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) \
66extern 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__CALL_PAL_RW1(wtint, unsigned long, unsigned long);
93
94
95
96
97#define __tbi(nr,arg,arg1...) \
98({ \
99 register unsigned long __r16 __asm__("$16") = (nr); \
100 register unsigned long __r17 __asm__("$17"); arg; \
101 __asm__ __volatile__( \
102 "call_pal %3 #__tbi" \
103 :"=r" (__r16),"=r" (__r17) \
104 :"0" (__r16),"i" (PAL_tbi) ,##arg1 \
105 :"$0", "$1", "$22", "$23", "$24", "$25"); \
106})
107
108#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17))
109#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17))
110#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17))
111#define tbis(x) __tbi(3,__r17=(x),"1" (__r17))
112#define tbiap() __tbi(-1, )
113#define tbia() __tbi(-2, )
114
115
116
117
118
119static inline unsigned long
120qemu_get_walltime(void)
121{
122 register unsigned long v0 __asm__("$0");
123 register unsigned long a0 __asm__("$16") = 3;
124
125 asm("call_pal %2 # cserve get_time"
126 : "=r"(v0), "+r"(a0)
127 : "i"(PAL_cserve)
128 : "$17", "$18", "$19", "$20", "$21");
129
130 return v0;
131}
132
133static inline unsigned long
134qemu_get_alarm(void)
135{
136 register unsigned long v0 __asm__("$0");
137 register unsigned long a0 __asm__("$16") = 4;
138
139 asm("call_pal %2 # cserve get_alarm"
140 : "=r"(v0), "+r"(a0)
141 : "i"(PAL_cserve)
142 : "$17", "$18", "$19", "$20", "$21");
143
144 return v0;
145}
146
147static inline void
148qemu_set_alarm_rel(unsigned long expire)
149{
150 register unsigned long a0 __asm__("$16") = 5;
151 register unsigned long a1 __asm__("$17") = expire;
152
153 asm volatile("call_pal %2 # cserve set_alarm_rel"
154 : "+r"(a0), "+r"(a1)
155 : "i"(PAL_cserve)
156 : "$0", "$18", "$19", "$20", "$21");
157}
158
159static inline void
160qemu_set_alarm_abs(unsigned long expire)
161{
162 register unsigned long a0 __asm__("$16") = 6;
163 register unsigned long a1 __asm__("$17") = expire;
164
165 asm volatile("call_pal %2 # cserve set_alarm_abs"
166 : "+r"(a0), "+r"(a1)
167 : "i"(PAL_cserve)
168 : "$0", "$18", "$19", "$20", "$21");
169}
170
171static inline unsigned long
172qemu_get_vmtime(void)
173{
174 register unsigned long v0 __asm__("$0");
175 register unsigned long a0 __asm__("$16") = 7;
176
177 asm("call_pal %2 # cserve get_time"
178 : "=r"(v0), "+r"(a0)
179 : "i"(PAL_cserve)
180 : "$17", "$18", "$19", "$20", "$21");
181
182 return v0;
183}
184
185#endif
186#endif
187
