1#ifndef __ASM_SH_BITOPS_GRB_H
2#define __ASM_SH_BITOPS_GRB_H
3
4static inline void set_bit(int nr, volatile void * addr)
5{
6 int mask;
7 volatile unsigned int *a = addr;
8 unsigned long tmp;
9
10 a += nr >> 5;
11 mask = 1 << (nr & 0x1f);
12
13 __asm__ __volatile__ (
14 " .align 2 \n\t"
15 " mova 1f, r0 \n\t"
16 " mov r15, r1 \n\t"
17 " mov #-6, r15 \n\t"
18 " mov.l @%1, %0 \n\t"
19 " or %2, %0 \n\t"
20 " mov.l %0, @%1 \n\t"
21 "1: mov r1, r15 \n\t"
22 : "=&r" (tmp),
23 "+r" (a)
24 : "r" (mask)
25 : "memory" , "r0", "r1");
26}
27
28static inline void clear_bit(int nr, volatile void * addr)
29{
30 int mask;
31 volatile unsigned int *a = addr;
32 unsigned long tmp;
33
34 a += nr >> 5;
35 mask = ~(1 << (nr & 0x1f));
36 __asm__ __volatile__ (
37 " .align 2 \n\t"
38 " mova 1f, r0 \n\t"
39 " mov r15, r1 \n\t"
40 " mov #-6, r15 \n\t"
41 " mov.l @%1, %0 \n\t"
42 " and %2, %0 \n\t"
43 " mov.l %0, @%1 \n\t"
44 "1: mov r1, r15 \n\t"
45 : "=&r" (tmp),
46 "+r" (a)
47 : "r" (mask)
48 : "memory" , "r0", "r1");
49}
50
51static inline void change_bit(int nr, volatile void * addr)
52{
53 int mask;
54 volatile unsigned int *a = addr;
55 unsigned long tmp;
56
57 a += nr >> 5;
58 mask = 1 << (nr & 0x1f);
59 __asm__ __volatile__ (
60 " .align 2 \n\t"
61 " mova 1f, r0 \n\t"
62 " mov r15, r1 \n\t"
63 " mov #-6, r15 \n\t"
64 " mov.l @%1, %0 \n\t"
65 " xor %2, %0 \n\t"
66 " mov.l %0, @%1 \n\t"
67 "1: mov r1, r15 \n\t"
68 : "=&r" (tmp),
69 "+r" (a)
70 : "r" (mask)
71 : "memory" , "r0", "r1");
72}
73
74static inline int test_and_set_bit(int nr, volatile void * addr)
75{
76 int mask, retval;
77 volatile unsigned int *a = addr;
78 unsigned long tmp;
79
80 a += nr >> 5;
81 mask = 1 << (nr & 0x1f);
82
83 __asm__ __volatile__ (
84 " .align 2 \n\t"
85 " mova 1f, r0 \n\t"
86 " mov r15, r1 \n\t"
87 " mov #-14, r15 \n\t"
88 " mov.l @%2, %0 \n\t"
89 " mov %0, %1 \n\t"
90 " tst %1, %3 \n\t"
91 " mov #-1, %1 \n\t"
92 " negc %1, %1 \n\t"
93 " or %3, %0 \n\t"
94 " mov.l %0, @%2 \n\t"
95 "1: mov r1, r15 \n\t"
96 : "=&r" (tmp),
97 "=&r" (retval),
98 "+r" (a)
99 : "r" (mask)
100 : "memory" , "r0", "r1" ,"t");
101
102 return retval;
103}
104
105static inline int test_and_clear_bit(int nr, volatile void * addr)
106{
107 int mask, retval,not_mask;
108 volatile unsigned int *a = addr;
109 unsigned long tmp;
110
111 a += nr >> 5;
112 mask = 1 << (nr & 0x1f);
113
114 not_mask = ~mask;
115
116 __asm__ __volatile__ (
117 " .align 2 \n\t"
118 " mova 1f, r0 \n\t"
119 " mov r15, r1 \n\t"
120 " mov #-14, r15 \n\t"
121 " mov.l @%2, %0 \n\t"
122 " mov %0, %1 \n\t"
123 " tst %1, %3 \n\t"
124 " mov #-1, %1 \n\t"
125 " negc %1, %1 \n\t"
126 " and %4, %0 \n\t"
127 " mov.l %0, @%2 \n\t"
128 "1: mov r1, r15 \n\t"
129 : "=&r" (tmp),
130 "=&r" (retval),
131 "+r" (a)
132 : "r" (mask),
133 "r" (not_mask)
134 : "memory" , "r0", "r1", "t");
135
136 return retval;
137}
138
139static inline int test_and_change_bit(int nr, volatile void * addr)
140{
141 int mask, retval;
142 volatile unsigned int *a = addr;
143 unsigned long tmp;
144
145 a += nr >> 5;
146 mask = 1 << (nr & 0x1f);
147
148 __asm__ __volatile__ (
149 " .align 2 \n\t"
150 " mova 1f, r0 \n\t"
151 " mov r15, r1 \n\t"
152 " mov #-14, r15 \n\t"
153 " mov.l @%2, %0 \n\t"
154 " mov %0, %1 \n\t"
155 " tst %1, %3 \n\t"
156 " mov #-1, %1 \n\t"
157 " negc %1, %1 \n\t"
158 " xor %3, %0 \n\t"
159 " mov.l %0, @%2 \n\t"
160 "1: mov r1, r15 \n\t"
161 : "=&r" (tmp),
162 "=&r" (retval),
163 "+r" (a)
164 : "r" (mask)
165 : "memory" , "r0", "r1", "t");
166
167 return retval;
168}
169
170#include <asm-generic/bitops/non-atomic.h>
171
172#endif
173
