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