xref: /OK3568_Linux_fs/kernel/include/asm-generic/bitops.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_GENERIC_BITOPS_H
3*4882a593Smuzhiyun #define __ASM_GENERIC_BITOPS_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun  * For the benefit of those who are trying to port Linux to another
7*4882a593Smuzhiyun  * architecture, here are some C-language equivalents.  They should
8*4882a593Smuzhiyun  * generate reasonable code, so take a look at what your compiler spits
9*4882a593Smuzhiyun  * out before rolling your own buggy implementation in assembly language.
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * C language equivalents written by Theodore Ts'o, 9/26/92
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <linux/irqflags.h>
15*4882a593Smuzhiyun #include <linux/compiler.h>
16*4882a593Smuzhiyun #include <asm/barrier.h>
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #include <asm-generic/bitops/__ffs.h>
19*4882a593Smuzhiyun #include <asm-generic/bitops/ffz.h>
20*4882a593Smuzhiyun #include <asm-generic/bitops/fls.h>
21*4882a593Smuzhiyun #include <asm-generic/bitops/__fls.h>
22*4882a593Smuzhiyun #include <asm-generic/bitops/fls64.h>
23*4882a593Smuzhiyun #include <asm-generic/bitops/find.h>
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #ifndef _LINUX_BITOPS_H
26*4882a593Smuzhiyun #error only <linux/bitops.h> can be included directly
27*4882a593Smuzhiyun #endif
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #include <asm-generic/bitops/sched.h>
30*4882a593Smuzhiyun #include <asm-generic/bitops/ffs.h>
31*4882a593Smuzhiyun #include <asm-generic/bitops/hweight.h>
32*4882a593Smuzhiyun #include <asm-generic/bitops/lock.h>
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #include <asm-generic/bitops/atomic.h>
35*4882a593Smuzhiyun #include <asm-generic/bitops/non-atomic.h>
36*4882a593Smuzhiyun #include <asm-generic/bitops/le.h>
37*4882a593Smuzhiyun #include <asm-generic/bitops/ext2-atomic.h>
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #endif /* __ASM_GENERIC_BITOPS_H */
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