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c4222e4635
Pull sparc fixes from David Miller: "Sparc sparse fixes from Sam Ravnborg" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (67 commits) sparc64: fix sparse warnings in int_64.c sparc64: fix sparse warning in ftrace.c sparc64: fix sparse warning in kprobes.c sparc64: fix sparse warning in kgdb_64.c sparc64: fix sparse warnings in compat_audit.c sparc64: fix sparse warnings in init_64.c sparc64: fix sparse warnings in aes_glue.c sparc: fix sparse warnings in smp_32.c + smp_64.c sparc64: fix sparse warnings in perf_event.c sparc64: fix sparse warnings in kprobes.c sparc64: fix sparse warning in tsb.c sparc64: clean up compat_sigset_t.seta handling sparc64: fix sparse "Should it be static?" warnings in signal32.c sparc64: fix sparse warnings in sys_sparc32.c sparc64: fix sparse warning in pci.c sparc64: fix sparse warnings in smp_64.c sparc64: fix sparse warning in prom_64.c sparc64: fix sparse warning in btext.c sparc64: fix sparse warnings in sys_sparc_64.c + unaligned_64.c sparc64: fix sparse warning in process_64.c ... Conflicts: arch/sparc/include/asm/pgtable_64.h
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/*
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* bitops.h: Bit string operations on the Sparc.
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*
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* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
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* Copyright 1996 Eddie C. Dost (ecd@skynet.be)
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* Copyright 2001 Anton Blanchard (anton@samba.org)
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*/
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#ifndef _SPARC_BITOPS_H
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#define _SPARC_BITOPS_H
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#include <linux/compiler.h>
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#include <asm/byteorder.h>
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#ifdef __KERNEL__
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#ifndef _LINUX_BITOPS_H
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#error only <linux/bitops.h> can be included directly
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#endif
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unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
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unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
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unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
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/*
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* Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
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* is in the highest of the four bytes and bit '31' is the high bit
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* within the first byte. Sparc is BIG-Endian. Unless noted otherwise
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* all bit-ops return 0 if bit was previously clear and != 0 otherwise.
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*/
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static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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return ___set_bit(ADDR, mask) != 0;
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}
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static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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(void) ___set_bit(ADDR, mask);
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}
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static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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return ___clear_bit(ADDR, mask) != 0;
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}
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static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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(void) ___clear_bit(ADDR, mask);
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}
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static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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return ___change_bit(ADDR, mask) != 0;
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}
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static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
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{
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unsigned long *ADDR, mask;
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ADDR = ((unsigned long *) addr) + (nr >> 5);
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mask = 1 << (nr & 31);
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(void) ___change_bit(ADDR, mask);
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}
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#include <asm-generic/bitops/non-atomic.h>
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#include <asm-generic/bitops/ffz.h>
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#include <asm-generic/bitops/__ffs.h>
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#include <asm-generic/bitops/sched.h>
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#include <asm-generic/bitops/ffs.h>
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#include <asm-generic/bitops/fls.h>
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#include <asm-generic/bitops/__fls.h>
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#include <asm-generic/bitops/fls64.h>
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#include <asm-generic/bitops/hweight.h>
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#include <asm-generic/bitops/lock.h>
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#include <asm-generic/bitops/find.h>
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#include <asm-generic/bitops/le.h>
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#include <asm-generic/bitops/ext2-atomic.h>
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#endif /* __KERNEL__ */
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#endif /* defined(_SPARC_BITOPS_H) */
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