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-rw-r--r--include/asm-arm/bitops.h151
1 files changed, 0 insertions, 151 deletions
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
deleted file mode 100644
index 270f163..0000000
--- a/include/asm-arm/bitops.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright 1995, Russell King.
- * Various bits and pieces copyrights include:
- * Linus Torvalds (test_bit).
- *
- * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
- *
- * Please note that the code in this file should never be included
- * from user space. Many of these are not implemented in assembler
- * since they would be too costly. Also, they require priviledged
- * instructions (which are not available from user mode) to ensure
- * that they are atomic.
- */
-
-#ifndef __ASM_ARM_BITOPS_H
-#define __ASM_ARM_BITOPS_H
-
-#ifdef __KERNEL__
-
-#include <asm/proc/system.h>
-
-#define smp_mb__before_clear_bit() do { } while (0)
-#define smp_mb__after_clear_bit() do { } while (0)
-
-/*
- * Function prototypes to keep gcc -Wall happy.
- */
-extern void set_bit(int nr, volatile void * addr);
-
-extern void clear_bit(int nr, volatile void * addr);
-
-extern void change_bit(int nr, volatile void * addr);
-
-static inline void __change_bit(int nr, volatile void *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
-
- *p ^= mask;
-}
-
-static inline int __test_and_set_bit(int nr, volatile void *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
- unsigned long old = *p;
-
- *p = old | mask;
- return (old & mask) != 0;
-}
-
-static inline int test_and_set_bit(int nr, volatile void * addr)
-{
- unsigned long flags;
- int out;
-
- local_irq_save(flags);
- out = __test_and_set_bit(nr, addr);
- local_irq_restore(flags);
-
- return out;
-}
-
-static inline int __test_and_clear_bit(int nr, volatile void *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
- unsigned long old = *p;
-
- *p = old & ~mask;
- return (old & mask) != 0;
-}
-
-static inline int test_and_clear_bit(int nr, volatile void * addr)
-{
- unsigned long flags;
- int out;
-
- local_irq_save(flags);
- out = __test_and_clear_bit(nr, addr);
- local_irq_restore(flags);
-
- return out;
-}
-
-extern int test_and_change_bit(int nr, volatile void * addr);
-
-static inline int __test_and_change_bit(int nr, volatile void *addr)
-{
- unsigned long mask = BIT_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
- unsigned long old = *p;
-
- *p = old ^ mask;
- return (old & mask) != 0;
-}
-
-extern int find_first_zero_bit(void * addr, unsigned size);
-extern int find_next_zero_bit(void * addr, int size, int offset);
-
-/*
- * This routine doesn't need to be atomic.
- */
-static inline int test_bit(int nr, const void * addr)
-{
- return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7));
-}
-
-/*
- * ffz = Find First Zero in word. Undefined if no zero exists,
- * so code should check against ~0UL first..
- */
-static inline unsigned long ffz(unsigned long word)
-{
- int k;
-
- word = ~word;
- k = 31;
- if (word & 0x0000ffff) { k -= 16; word <<= 16; }
- if (word & 0x00ff0000) { k -= 8; word <<= 8; }
- if (word & 0x0f000000) { k -= 4; word <<= 4; }
- if (word & 0x30000000) { k -= 2; word <<= 2; }
- if (word & 0x40000000) { k -= 1; }
- return k;
-}
-
-/*
- * hweightN: returns the hamming weight (i.e. the number
- * of bits set) of a N-bit word
- */
-
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
-
-#define ext2_set_bit test_and_set_bit
-#define ext2_clear_bit test_and_clear_bit
-#define ext2_test_bit test_bit
-#define ext2_find_first_zero_bit find_first_zero_bit
-#define ext2_find_next_zero_bit find_next_zero_bit
-
-/* Bitmap functions for the minix filesystem. */
-#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) set_bit(nr,addr)
-#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
-
-#endif /* __KERNEL__ */
-
-#endif /* _ARM_BITOPS_H */