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usr
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linux-headers-6.8.0-36-generic
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arch
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include
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bitops_32.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * bitops.h: Bit string operations on the Sparc. * * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) * Copyright 1996 Eddie C. Dost (ecd@skynet.be) * Copyright 2001 Anton Blanchard (anton@samba.org) */ #ifndef _SPARC_BITOPS_H #define _SPARC_BITOPS_H #include <linux/compiler.h> #include <asm/byteorder.h> #ifdef __KERNEL__ #ifndef _LINUX_BITOPS_H #error only <linux/bitops.h> can be included directly #endif unsigned long sp32___set_bit(unsigned long *addr, unsigned long mask); unsigned long sp32___clear_bit(unsigned long *addr, unsigned long mask); unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask); /* * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' * is in the highest of the four bytes and bit '31' is the high bit * within the first byte. Sparc is BIG-Endian. Unless noted otherwise * all bit-ops return 0 if bit was previously clear and != 0 otherwise. */ static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); return sp32___set_bit(ADDR, mask) != 0; } static inline void set_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); (void) sp32___set_bit(ADDR, mask); } static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); return sp32___clear_bit(ADDR, mask) != 0; } static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); (void) sp32___clear_bit(ADDR, mask); } static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); return sp32___change_bit(ADDR, mask) != 0; } static inline void change_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *ADDR, mask; ADDR = ((unsigned long *) addr) + (nr >> 5); mask = 1 << (nr & 31); (void) sp32___change_bit(ADDR, mask); } #include <asm-generic/bitops/non-atomic.h> #include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/le.h> #include <asm-generic/bitops/ext2-atomic.h> #endif /* __KERNEL__ */ #endif /* defined(_SPARC_BITOPS_H) */
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