1#ifndef __ASM_SH_ATOMIC_GRB_H
2#define __ASM_SH_ATOMIC_GRB_H
3
4static inline void atomic_add(int i, atomic_t *v)
5{
6 int tmp;
7
8 __asm__ __volatile__ (
9 " .align 2 \n\t"
10 " mova 1f, r0 \n\t"
11 " mov r15, r1 \n\t"
12 " mov #-6, r15 \n\t"
13 " mov.l @%1, %0 \n\t"
14 " add %2, %0 \n\t"
15 " mov.l %0, @%1 \n\t"
16 "1: mov r1, r15 \n\t"
17 : "=&r" (tmp),
18 "+r" (v)
19 : "r" (i)
20 : "memory" , "r0", "r1");
21}
22
23static inline void atomic_sub(int i, atomic_t *v)
24{
25 int tmp;
26
27 __asm__ __volatile__ (
28 " .align 2 \n\t"
29 " mova 1f, r0 \n\t"
30 " mov r15, r1 \n\t"
31 " mov #-6, r15 \n\t"
32 " mov.l @%1, %0 \n\t"
33 " sub %2, %0 \n\t"
34 " mov.l %0, @%1 \n\t"
35 "1: mov r1, r15 \n\t"
36 : "=&r" (tmp),
37 "+r" (v)
38 : "r" (i)
39 : "memory" , "r0", "r1");
40}
41
42static inline int atomic_add_return(int i, atomic_t *v)
43{
44 int tmp;
45
46 __asm__ __volatile__ (
47 " .align 2 \n\t"
48 " mova 1f, r0 \n\t"
49 " mov r15, r1 \n\t"
50 " mov #-6, r15 \n\t"
51 " mov.l @%1, %0 \n\t"
52 " add %2, %0 \n\t"
53 " mov.l %0, @%1 \n\t"
54 "1: mov r1, r15 \n\t"
55 : "=&r" (tmp),
56 "+r" (v)
57 : "r" (i)
58 : "memory" , "r0", "r1");
59
60 return tmp;
61}
62
63static inline int atomic_sub_return(int i, atomic_t *v)
64{
65 int tmp;
66
67 __asm__ __volatile__ (
68 " .align 2 \n\t"
69 " mova 1f, r0 \n\t"
70 " mov r15, r1 \n\t"
71 " mov #-6, r15 \n\t"
72 " mov.l @%1, %0 \n\t"
73 " sub %2, %0 \n\t"
74 " mov.l %0, @%1 \n\t"
75 "1: mov r1, r15 \n\t"
76 : "=&r" (tmp),
77 "+r" (v)
78 : "r" (i)
79 : "memory", "r0", "r1");
80
81 return tmp;
82}
83
84static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
85{
86 int tmp;
87 unsigned int _mask = ~mask;
88
89 __asm__ __volatile__ (
90 " .align 2 \n\t"
91 " mova 1f, r0 \n\t"
92 " mov r15, r1 \n\t"
93 " mov #-6, r15 \n\t"
94 " mov.l @%1, %0 \n\t"
95 " and %2, %0 \n\t"
96 " mov.l %0, @%1 \n\t"
97 "1: mov r1, r15 \n\t"
98 : "=&r" (tmp),
99 "+r" (v)
100 : "r" (_mask)
101 : "memory" , "r0", "r1");
102}
103
104static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
105{
106 int tmp;
107
108 __asm__ __volatile__ (
109 " .align 2 \n\t"
110 " mova 1f, r0 \n\t"
111 " mov r15, r1 \n\t"
112 " mov #-6, r15 \n\t"
113 " mov.l @%1, %0 \n\t"
114 " or %2, %0 \n\t"
115 " mov.l %0, @%1 \n\t"
116 "1: mov r1, r15 \n\t"
117 : "=&r" (tmp),
118 "+r" (v)
119 : "r" (mask)
120 : "memory" , "r0", "r1");
121}
122
123#endif
124