File: bits.h

package info (click to toggle)
qemu 1%3A10.0.3%2Bds-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 413,680 kB
  • sloc: ansic: 4,733,433; pascal: 114,769; python: 105,506; asm: 68,431; sh: 52,881; makefile: 27,469; perl: 18,778; cpp: 11,435; xml: 3,404; objc: 2,877; yacc: 2,505; php: 1,299; tcl: 1,296; lex: 1,110; sql: 71; awk: 43; sed: 35; javascript: 7
file content (18 lines) | stat: -rw-r--r-- 517 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* bits.h: Macros for dealing with bitmasks.  */

#ifndef _LINUX_BITS_H
#define _LINUX_BITS_H

#define __GENMASK(h, l) \
        (((~_UL(0)) - (_UL(1) << (l)) + 1) & \
         (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))

#define __GENMASK_ULL(h, l) \
        (((~_ULL(0)) - (_ULL(1) << (l)) + 1) & \
         (~_ULL(0) >> (__BITS_PER_LONG_LONG - 1 - (h))))

#define __GENMASK_U128(h, l) \
	((_BIT128((h)) << 1) - (_BIT128(l)))

#endif /* _LINUX_BITS_H */