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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * bitops.h: Bit string operations on the Sparc.
4 *
5 * Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright 1996 Eddie C. Dost (ecd@skynet.be)
7 * Copyright 2001 Anton Blanchard (anton@samba.org)
8 */
9
10#ifndef _SPARC_BITOPS_H
11#define _SPARC_BITOPS_H
12
13#include <linux/compiler.h>
14#include <asm/byteorder.h>
15
16#ifdef __KERNEL__
17
18#ifndef _LINUX_BITOPS_H
19#error only <linux/bitops.h> can be included directly
20#endif
21
22unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
23unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
24unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
25
26/*
27 * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
28 * is in the highest of the four bytes and bit '31' is the high bit
29 * within the first byte. Sparc is BIG-Endian. Unless noted otherwise
30 * all bit-ops return 0 if bit was previously clear and != 0 otherwise.
31 */
32static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
33{
34 unsigned long *ADDR, mask;
35
36 ADDR = ((unsigned long *) addr) + (nr >> 5);
37 mask = 1 << (nr & 31);
38
39 return ___set_bit(ADDR, mask) != 0;
40}
41
42static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
43{
44 unsigned long *ADDR, mask;
45
46 ADDR = ((unsigned long *) addr) + (nr >> 5);
47 mask = 1 << (nr & 31);
48
49 (void) ___set_bit(ADDR, mask);
50}
51
52static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
53{
54 unsigned long *ADDR, mask;
55
56 ADDR = ((unsigned long *) addr) + (nr >> 5);
57 mask = 1 << (nr & 31);
58
59 return ___clear_bit(ADDR, mask) != 0;
60}
61
62static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
63{
64 unsigned long *ADDR, mask;
65
66 ADDR = ((unsigned long *) addr) + (nr >> 5);
67 mask = 1 << (nr & 31);
68
69 (void) ___clear_bit(ADDR, mask);
70}
71
72static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
73{
74 unsigned long *ADDR, mask;
75
76 ADDR = ((unsigned long *) addr) + (nr >> 5);
77 mask = 1 << (nr & 31);
78
79 return ___change_bit(ADDR, mask) != 0;
80}
81
82static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
83{
84 unsigned long *ADDR, mask;
85
86 ADDR = ((unsigned long *) addr) + (nr >> 5);
87 mask = 1 << (nr & 31);
88
89 (void) ___change_bit(ADDR, mask);
90}
91
92#include <asm-generic/bitops/non-atomic.h>
93
94#include <asm-generic/bitops/ffz.h>
95#include <asm-generic/bitops/__ffs.h>
96#include <asm-generic/bitops/sched.h>
97#include <asm-generic/bitops/ffs.h>
98#include <asm-generic/bitops/fls.h>
99#include <asm-generic/bitops/__fls.h>
100#include <asm-generic/bitops/fls64.h>
101#include <asm-generic/bitops/hweight.h>
102#include <asm-generic/bitops/lock.h>
103#include <asm-generic/bitops/find.h>
104#include <asm-generic/bitops/le.h>
105#include <asm-generic/bitops/ext2-atomic.h>
106
107#endif /* __KERNEL__ */
108
109#endif /* defined(_SPARC_BITOPS_H) */
1/*
2 * bitops.h: Bit string operations on the Sparc.
3 *
4 * Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright 1996 Eddie C. Dost (ecd@skynet.be)
6 * Copyright 2001 Anton Blanchard (anton@samba.org)
7 */
8
9#ifndef _SPARC_BITOPS_H
10#define _SPARC_BITOPS_H
11
12#include <linux/compiler.h>
13#include <asm/byteorder.h>
14
15#ifdef __KERNEL__
16
17#ifndef _LINUX_BITOPS_H
18#error only <linux/bitops.h> can be included directly
19#endif
20
21unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
22unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
23unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
24
25/*
26 * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
27 * is in the highest of the four bytes and bit '31' is the high bit
28 * within the first byte. Sparc is BIG-Endian. Unless noted otherwise
29 * all bit-ops return 0 if bit was previously clear and != 0 otherwise.
30 */
31static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
32{
33 unsigned long *ADDR, mask;
34
35 ADDR = ((unsigned long *) addr) + (nr >> 5);
36 mask = 1 << (nr & 31);
37
38 return ___set_bit(ADDR, mask) != 0;
39}
40
41static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
42{
43 unsigned long *ADDR, mask;
44
45 ADDR = ((unsigned long *) addr) + (nr >> 5);
46 mask = 1 << (nr & 31);
47
48 (void) ___set_bit(ADDR, mask);
49}
50
51static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
52{
53 unsigned long *ADDR, mask;
54
55 ADDR = ((unsigned long *) addr) + (nr >> 5);
56 mask = 1 << (nr & 31);
57
58 return ___clear_bit(ADDR, mask) != 0;
59}
60
61static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
62{
63 unsigned long *ADDR, mask;
64
65 ADDR = ((unsigned long *) addr) + (nr >> 5);
66 mask = 1 << (nr & 31);
67
68 (void) ___clear_bit(ADDR, mask);
69}
70
71static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
72{
73 unsigned long *ADDR, mask;
74
75 ADDR = ((unsigned long *) addr) + (nr >> 5);
76 mask = 1 << (nr & 31);
77
78 return ___change_bit(ADDR, mask) != 0;
79}
80
81static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
82{
83 unsigned long *ADDR, mask;
84
85 ADDR = ((unsigned long *) addr) + (nr >> 5);
86 mask = 1 << (nr & 31);
87
88 (void) ___change_bit(ADDR, mask);
89}
90
91#include <asm-generic/bitops/non-atomic.h>
92
93#include <asm-generic/bitops/ffz.h>
94#include <asm-generic/bitops/__ffs.h>
95#include <asm-generic/bitops/sched.h>
96#include <asm-generic/bitops/ffs.h>
97#include <asm-generic/bitops/fls.h>
98#include <asm-generic/bitops/__fls.h>
99#include <asm-generic/bitops/fls64.h>
100#include <asm-generic/bitops/hweight.h>
101#include <asm-generic/bitops/lock.h>
102#include <asm-generic/bitops/find.h>
103#include <asm-generic/bitops/le.h>
104#include <asm-generic/bitops/ext2-atomic.h>
105
106#endif /* __KERNEL__ */
107
108#endif /* defined(_SPARC_BITOPS_H) */