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1da177e4 LT |
1 | #ifndef __ASM_SH_BITOPS_H |
2 | #define __ASM_SH_BITOPS_H | |
3 | ||
4 | #ifdef __KERNEL__ | |
0624517d JS |
5 | |
6 | #ifndef _LINUX_BITOPS_H | |
7 | #error only <linux/bitops.h> can be included directly | |
8 | #endif | |
9 | ||
1da177e4 LT |
10 | #include <asm/system.h> |
11 | /* For __swab32 */ | |
12 | #include <asm/byteorder.h> | |
13 | ||
1efe4ce3 SM |
14 | #ifdef CONFIG_GUSA_RB |
15 | #include <asm/bitops-grb.h> | |
0d5bbe0b PM |
16 | #elif defined(CONFIG_CPU_SH2A) |
17 | #include <asm-generic/bitops/atomic.h> | |
18 | #include <asm/bitops-op32.h> | |
742fd1bc PM |
19 | #elif defined(CONFIG_CPU_SH4A) |
20 | #include <asm/bitops-llsc.h> | |
1efe4ce3 | 21 | #else |
16b529d1 PM |
22 | #include <asm-generic/bitops/atomic.h> |
23 | #include <asm-generic/bitops/non-atomic.h> | |
1efe4ce3 | 24 | #endif |
1da177e4 | 25 | |
1da177e4 LT |
26 | /* |
27 | * clear_bit() doesn't provide any barrier for the compiler. | |
28 | */ | |
1c8db713 PM |
29 | #define smp_mb__before_clear_bit() smp_mb() |
30 | #define smp_mb__after_clear_bit() smp_mb() | |
1da177e4 | 31 | |
63e2c803 | 32 | #ifdef CONFIG_SUPERH32 |
e4c2cfee | 33 | static inline unsigned long ffz(unsigned long word) |
1da177e4 LT |
34 | { |
35 | unsigned long result; | |
36 | ||
37 | __asm__("1:\n\t" | |
38 | "shlr %1\n\t" | |
39 | "bt/s 1b\n\t" | |
40 | " add #1, %0" | |
41 | : "=r" (result), "=r" (word) | |
42 | : "0" (~0L), "1" (word) | |
43 | : "t"); | |
44 | return result; | |
45 | } | |
46 | ||
47 | /** | |
48 | * __ffs - find first bit in word. | |
49 | * @word: The word to search | |
50 | * | |
51 | * Undefined if no bit exists, so code should check against 0 first. | |
52 | */ | |
e4c2cfee | 53 | static inline unsigned long __ffs(unsigned long word) |
1da177e4 LT |
54 | { |
55 | unsigned long result; | |
56 | ||
57 | __asm__("1:\n\t" | |
58 | "shlr %1\n\t" | |
59 | "bf/s 1b\n\t" | |
60 | " add #1, %0" | |
61 | : "=r" (result), "=r" (word) | |
62 | : "0" (~0L), "1" (word) | |
63 | : "t"); | |
64 | return result; | |
65 | } | |
63e2c803 PM |
66 | #else |
67 | static inline unsigned long ffz(unsigned long word) | |
68 | { | |
69 | unsigned long result, __d2, __d3; | |
70 | ||
71 | __asm__("gettr tr0, %2\n\t" | |
72 | "pta $+32, tr0\n\t" | |
73 | "andi %1, 1, %3\n\t" | |
74 | "beq %3, r63, tr0\n\t" | |
75 | "pta $+4, tr0\n" | |
76 | "0:\n\t" | |
77 | "shlri.l %1, 1, %1\n\t" | |
78 | "addi %0, 1, %0\n\t" | |
79 | "andi %1, 1, %3\n\t" | |
80 | "beqi %3, 1, tr0\n" | |
81 | "1:\n\t" | |
82 | "ptabs %2, tr0\n\t" | |
83 | : "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3) | |
84 | : "0" (0L), "1" (word)); | |
85 | ||
86 | return result; | |
87 | } | |
88 | ||
89 | #include <asm-generic/bitops/__ffs.h> | |
90 | #endif | |
1da177e4 | 91 | |
e2268c71 AM |
92 | #include <asm-generic/bitops/find.h> |
93 | #include <asm-generic/bitops/ffs.h> | |
94 | #include <asm-generic/bitops/hweight.h> | |
26333576 | 95 | #include <asm-generic/bitops/lock.h> |
e2268c71 | 96 | #include <asm-generic/bitops/sched.h> |
861b5ae7 | 97 | #include <asm-generic/bitops/le.h> |
e2268c71 AM |
98 | #include <asm-generic/bitops/ext2-non-atomic.h> |
99 | #include <asm-generic/bitops/ext2-atomic.h> | |
100 | #include <asm-generic/bitops/minix.h> | |
101 | #include <asm-generic/bitops/fls.h> | |
56a6b1eb | 102 | #include <asm-generic/bitops/__fls.h> |
e2268c71 | 103 | #include <asm-generic/bitops/fls64.h> |
1da177e4 LT |
104 | |
105 | #endif /* __KERNEL__ */ | |
106 | ||
107 | #endif /* __ASM_SH_BITOPS_H */ |