Commit | Line | Data |
---|---|---|
1efe4ce3 SM |
1 | #ifndef __ASM_SH_BITOPS_IRQ_H |
2 | #define __ASM_SH_BITOPS_IRQ_H | |
3 | ||
4 | static inline void set_bit(int nr, volatile void *addr) | |
5 | { | |
6 | int mask; | |
7 | volatile unsigned int *a = addr; | |
8 | unsigned long flags; | |
9 | ||
10 | a += nr >> 5; | |
11 | mask = 1 << (nr & 0x1f); | |
12 | local_irq_save(flags); | |
13 | *a |= mask; | |
14 | local_irq_restore(flags); | |
15 | } | |
16 | ||
17 | static inline void clear_bit(int nr, volatile void *addr) | |
18 | { | |
19 | int mask; | |
20 | volatile unsigned int *a = addr; | |
21 | unsigned long flags; | |
22 | ||
23 | a += nr >> 5; | |
24 | mask = 1 << (nr & 0x1f); | |
25 | local_irq_save(flags); | |
26 | *a &= ~mask; | |
27 | local_irq_restore(flags); | |
28 | } | |
29 | ||
30 | static inline void change_bit(int nr, volatile void *addr) | |
31 | { | |
32 | int mask; | |
33 | volatile unsigned int *a = addr; | |
34 | unsigned long flags; | |
35 | ||
36 | a += nr >> 5; | |
37 | mask = 1 << (nr & 0x1f); | |
38 | local_irq_save(flags); | |
39 | *a ^= mask; | |
40 | local_irq_restore(flags); | |
41 | } | |
42 | ||
43 | static inline int test_and_set_bit(int nr, volatile void *addr) | |
44 | { | |
45 | int mask, retval; | |
46 | volatile unsigned int *a = addr; | |
47 | unsigned long flags; | |
48 | ||
49 | a += nr >> 5; | |
50 | mask = 1 << (nr & 0x1f); | |
51 | local_irq_save(flags); | |
52 | retval = (mask & *a) != 0; | |
53 | *a |= mask; | |
54 | local_irq_restore(flags); | |
55 | ||
56 | return retval; | |
57 | } | |
58 | ||
59 | static inline int test_and_clear_bit(int nr, volatile void *addr) | |
60 | { | |
61 | int mask, retval; | |
62 | volatile unsigned int *a = addr; | |
63 | unsigned long flags; | |
64 | ||
65 | a += nr >> 5; | |
66 | mask = 1 << (nr & 0x1f); | |
67 | local_irq_save(flags); | |
68 | retval = (mask & *a) != 0; | |
69 | *a &= ~mask; | |
70 | local_irq_restore(flags); | |
71 | ||
72 | return retval; | |
73 | } | |
74 | ||
75 | static inline int test_and_change_bit(int nr, volatile void *addr) | |
76 | { | |
77 | int mask, retval; | |
78 | volatile unsigned int *a = addr; | |
79 | unsigned long flags; | |
80 | ||
81 | a += nr >> 5; | |
82 | mask = 1 << (nr & 0x1f); | |
83 | local_irq_save(flags); | |
84 | retval = (mask & *a) != 0; | |
85 | *a ^= mask; | |
86 | local_irq_restore(flags); | |
87 | ||
88 | return retval; | |
89 | } | |
90 | ||
91 | #endif /* __ASM_SH_BITOPS_IRQ_H */ |