1#ifndef __ASM_SH_BITOPS_H
2#define __ASM_SH_BITOPS_H
3
4#ifdef __KERNEL__
5
6#ifndef _LINUX_BITOPS_H
7#error only <linux/bitops.h> can be included directly
8#endif
9
10/* For __swab32 */
11#include <asm/byteorder.h>
12#include <asm/barrier.h>
13
14#ifdef CONFIG_GUSA_RB
15#include <asm/bitops-grb.h>
16#elif defined(CONFIG_CPU_SH2A)
17#include <asm-generic/bitops/atomic.h>
18#include <asm/bitops-op32.h>
19#elif defined(CONFIG_CPU_SH4A)
20#include <asm/bitops-llsc.h>
21#else
22#include <asm-generic/bitops/atomic.h>
23#include <asm-generic/bitops/non-atomic.h>
24#endif
25
26#ifdef CONFIG_SUPERH32
27static inline unsigned long ffz(unsigned long word)
28{
29	unsigned long result;
30
31	__asm__("1:\n\t"
32		"shlr	%1\n\t"
33		"bt/s	1b\n\t"
34		" add	#1, %0"
35		: "=r" (result), "=r" (word)
36		: "0" (~0L), "1" (word)
37		: "t");
38	return result;
39}
40
41/**
42 * __ffs - find first bit in word.
43 * @word: The word to search
44 *
45 * Undefined if no bit exists, so code should check against 0 first.
46 */
47static inline unsigned long __ffs(unsigned long word)
48{
49	unsigned long result;
50
51	__asm__("1:\n\t"
52		"shlr	%1\n\t"
53		"bf/s	1b\n\t"
54		" add	#1, %0"
55		: "=r" (result), "=r" (word)
56		: "0" (~0L), "1" (word)
57		: "t");
58	return result;
59}
60#else
61static inline unsigned long ffz(unsigned long word)
62{
63	unsigned long result, __d2, __d3;
64
65        __asm__("gettr  tr0, %2\n\t"
66                "pta    $+32, tr0\n\t"
67                "andi   %1, 1, %3\n\t"
68                "beq    %3, r63, tr0\n\t"
69                "pta    $+4, tr0\n"
70                "0:\n\t"
71                "shlri.l        %1, 1, %1\n\t"
72                "addi   %0, 1, %0\n\t"
73                "andi   %1, 1, %3\n\t"
74                "beqi   %3, 1, tr0\n"
75                "1:\n\t"
76                "ptabs  %2, tr0\n\t"
77                : "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3)
78                : "0" (0L), "1" (word));
79
80	return result;
81}
82
83#include <asm-generic/bitops/__ffs.h>
84#endif
85
86#include <asm-generic/bitops/find.h>
87#include <asm-generic/bitops/ffs.h>
88#include <asm-generic/bitops/hweight.h>
89#include <asm-generic/bitops/lock.h>
90#include <asm-generic/bitops/sched.h>
91#include <asm-generic/bitops/le.h>
92#include <asm-generic/bitops/ext2-atomic.h>
93#include <asm-generic/bitops/fls.h>
94#include <asm-generic/bitops/__fls.h>
95#include <asm-generic/bitops/fls64.h>
96
97#endif /* __KERNEL__ */
98
99#endif /* __ASM_SH_BITOPS_H */
100