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-rw-r--r--arch/m68k/include/asm/bitops_mm.h501
1 files changed, 0 insertions, 501 deletions
diff --git a/arch/m68k/include/asm/bitops_mm.h b/arch/m68k/include/asm/bitops_mm.h
deleted file mode 100644
index 89cf5b814a4d..000000000000
--- a/arch/m68k/include/asm/bitops_mm.h
+++ /dev/null
@@ -1,501 +0,0 @@
-#ifndef _M68K_BITOPS_H
-#define _M68K_BITOPS_H
-/*
- * Copyright 1992, Linus Torvalds.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-#ifndef _LINUX_BITOPS_H
-#error only <linux/bitops.h> can be included directly
-#endif
-
-#include <linux/compiler.h>
-
-/*
- * Require 68020 or better.
- *
- * They use the standard big-endian m680x0 bit ordering.
- */
-
-#define test_and_set_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_test_and_set_bit(nr, vaddr) : \
- __generic_test_and_set_bit(nr, vaddr))
-
-#define __test_and_set_bit(nr,vaddr) test_and_set_bit(nr,vaddr)
-
-static inline int __constant_test_and_set_bit(int nr, unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- char retval;
-
- __asm__ __volatile__ ("bset %2,%1; sne %0"
- : "=d" (retval), "+m" (*p)
- : "di" (nr & 7));
-
- return retval;
-}
-
-static inline int __generic_test_and_set_bit(int nr, unsigned long *vaddr)
-{
- char retval;
-
- __asm__ __volatile__ ("bfset %2{%1:#1}; sne %0"
- : "=d" (retval) : "d" (nr^31), "o" (*vaddr) : "memory");
-
- return retval;
-}
-
-#define set_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_set_bit(nr, vaddr) : \
- __generic_set_bit(nr, vaddr))
-
-#define __set_bit(nr,vaddr) set_bit(nr,vaddr)
-
-static inline void __constant_set_bit(int nr, volatile unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- __asm__ __volatile__ ("bset %1,%0"
- : "+m" (*p) : "di" (nr & 7));
-}
-
-static inline void __generic_set_bit(int nr, volatile unsigned long *vaddr)
-{
- __asm__ __volatile__ ("bfset %1{%0:#1}"
- : : "d" (nr^31), "o" (*vaddr) : "memory");
-}
-
-#define test_and_clear_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_test_and_clear_bit(nr, vaddr) : \
- __generic_test_and_clear_bit(nr, vaddr))
-
-#define __test_and_clear_bit(nr,vaddr) test_and_clear_bit(nr,vaddr)
-
-static inline int __constant_test_and_clear_bit(int nr, unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- char retval;
-
- __asm__ __volatile__ ("bclr %2,%1; sne %0"
- : "=d" (retval), "+m" (*p)
- : "di" (nr & 7));
-
- return retval;
-}
-
-static inline int __generic_test_and_clear_bit(int nr, unsigned long *vaddr)
-{
- char retval;
-
- __asm__ __volatile__ ("bfclr %2{%1:#1}; sne %0"
- : "=d" (retval) : "d" (nr^31), "o" (*vaddr) : "memory");
-
- return retval;
-}
-
-/*
- * clear_bit() doesn't provide any barrier for the compiler.
- */
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
-
-#define clear_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_clear_bit(nr, vaddr) : \
- __generic_clear_bit(nr, vaddr))
-#define __clear_bit(nr,vaddr) clear_bit(nr,vaddr)
-
-static inline void __constant_clear_bit(int nr, volatile unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- __asm__ __volatile__ ("bclr %1,%0"
- : "+m" (*p) : "di" (nr & 7));
-}
-
-static inline void __generic_clear_bit(int nr, volatile unsigned long *vaddr)
-{
- __asm__ __volatile__ ("bfclr %1{%0:#1}"
- : : "d" (nr^31), "o" (*vaddr) : "memory");
-}
-
-#define test_and_change_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_test_and_change_bit(nr, vaddr) : \
- __generic_test_and_change_bit(nr, vaddr))
-
-#define __test_and_change_bit(nr,vaddr) test_and_change_bit(nr,vaddr)
-#define __change_bit(nr,vaddr) change_bit(nr,vaddr)
-
-static inline int __constant_test_and_change_bit(int nr, unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- char retval;
-
- __asm__ __volatile__ ("bchg %2,%1; sne %0"
- : "=d" (retval), "+m" (*p)
- : "di" (nr & 7));
-
- return retval;
-}
-
-static inline int __generic_test_and_change_bit(int nr, unsigned long *vaddr)
-{
- char retval;
-
- __asm__ __volatile__ ("bfchg %2{%1:#1}; sne %0"
- : "=d" (retval) : "d" (nr^31), "o" (*vaddr) : "memory");
-
- return retval;
-}
-
-#define change_bit(nr,vaddr) \
- (__builtin_constant_p(nr) ? \
- __constant_change_bit(nr, vaddr) : \
- __generic_change_bit(nr, vaddr))
-
-static inline void __constant_change_bit(int nr, unsigned long *vaddr)
-{
- char *p = (char *)vaddr + (nr ^ 31) / 8;
- __asm__ __volatile__ ("bchg %1,%0"
- : "+m" (*p) : "di" (nr & 7));
-}
-
-static inline void __generic_change_bit(int nr, unsigned long *vaddr)
-{
- __asm__ __volatile__ ("bfchg %1{%0:#1}"
- : : "d" (nr^31), "o" (*vaddr) : "memory");
-}
-
-static inline int test_bit(int nr, const unsigned long *vaddr)
-{
- return (vaddr[nr >> 5] & (1UL << (nr & 31))) != 0;
-}
-
-static inline int find_first_zero_bit(const unsigned long *vaddr,
- unsigned size)
-{
- const unsigned long *p = vaddr;
- int res = 32;
- unsigned int words;
- unsigned long num;
-
- if (!size)
- return 0;
-
- words = (size + 31) >> 5;
- while (!(num = ~*p++)) {
- if (!--words)
- goto out;
- }
-
- __asm__ __volatile__ ("bfffo %1{#0,#0},%0"
- : "=d" (res) : "d" (num & -num));
- res ^= 31;
-out:
- res += ((long)p - (long)vaddr - 4) * 8;
- return res < size ? res : size;
-}
-#define find_first_zero_bit find_first_zero_bit
-
-static inline int find_next_zero_bit(const unsigned long *vaddr, int size,
- int offset)
-{
- const unsigned long *p = vaddr + (offset >> 5);
- int bit = offset & 31UL, res;
-
- if (offset >= size)
- return size;
-
- if (bit) {
- unsigned long num = ~*p++ & (~0UL << bit);
- offset -= bit;
-
- /* Look for zero in first longword */
- __asm__ __volatile__ ("bfffo %1{#0,#0},%0"
- : "=d" (res) : "d" (num & -num));
- if (res < 32) {
- offset += res ^ 31;
- return offset < size ? offset : size;
- }
- offset += 32;
-
- if (offset >= size)
- return size;
- }
- /* No zero yet, search remaining full bytes for a zero */
- return offset + find_first_zero_bit(p, size - offset);
-}
-#define find_next_zero_bit find_next_zero_bit
-
-static inline int find_first_bit(const unsigned long *vaddr, unsigned size)
-{
- const unsigned long *p = vaddr;
- int res = 32;
- unsigned int words;
- unsigned long num;
-
- if (!size)
- return 0;
-
- words = (size + 31) >> 5;
- while (!(num = *p++)) {
- if (!--words)
- goto out;
- }
-
- __asm__ __volatile__ ("bfffo %1{#0,#0},%0"
- : "=d" (res) : "d" (num & -num));
- res ^= 31;
-out:
- res += ((long)p - (long)vaddr - 4) * 8;
- return res < size ? res : size;
-}
-#define find_first_bit find_first_bit
-
-static inline int find_next_bit(const unsigned long *vaddr, int size,
- int offset)
-{
- const unsigned long *p = vaddr + (offset >> 5);
- int bit = offset & 31UL, res;
-
- if (offset >= size)
- return size;
-
- if (bit) {
- unsigned long num = *p++ & (~0UL << bit);
- offset -= bit;
-
- /* Look for one in first longword */
- __asm__ __volatile__ ("bfffo %1{#0,#0},%0"
- : "=d" (res) : "d" (num & -num));
- if (res < 32) {
- offset += res ^ 31;
- return offset < size ? offset : size;
- }
- offset += 32;
-
- if (offset >= size)
- return size;
- }
- /* No one yet, search remaining full bytes for a one */
- return offset + find_first_bit(p, size - offset);
-}
-#define find_next_bit find_next_bit
-
-/*
- * 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 res;
-
- __asm__ __volatile__ ("bfffo %1{#0,#0},%0"
- : "=d" (res) : "d" (~word & -~word));
- return res ^ 31;
-}
-
-#ifdef __KERNEL__
-
-/*
- * ffs: find first bit set. This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-
-static inline int ffs(int x)
-{
- int cnt;
-
- asm ("bfffo %1{#0:#0},%0" : "=d" (cnt) : "dm" (x & -x));
-
- return 32 - cnt;
-}
-#define __ffs(x) (ffs(x) - 1)
-
-/*
- * fls: find last bit set.
- */
-
-static inline int fls(int x)
-{
- int cnt;
-
- asm ("bfffo %1{#0,#0},%0" : "=d" (cnt) : "dm" (x));
-
- return 32 - cnt;
-}
-
-static inline int __fls(int x)
-{
- return fls(x) - 1;
-}
-
-#include <asm-generic/bitops/fls64.h>
-#include <asm-generic/bitops/sched.h>
-#include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
-
-/* Bitmap functions for the little endian bitmap. */
-
-static inline void __set_bit_le(int nr, void *addr)
-{
- __set_bit(nr ^ 24, addr);
-}
-
-static inline void __clear_bit_le(int nr, void *addr)
-{
- __clear_bit(nr ^ 24, addr);
-}
-
-static inline int __test_and_set_bit_le(int nr, void *addr)
-{
- return __test_and_set_bit(nr ^ 24, addr);
-}
-
-static inline int test_and_set_bit_le(int nr, void *addr)
-{
- return test_and_set_bit(nr ^ 24, addr);
-}
-
-static inline int __test_and_clear_bit_le(int nr, void *addr)
-{
- return __test_and_clear_bit(nr ^ 24, addr);
-}
-
-static inline int test_and_clear_bit_le(int nr, void *addr)
-{
- return test_and_clear_bit(nr ^ 24, addr);
-}
-
-static inline int test_bit_le(int nr, const void *vaddr)
-{
- const unsigned char *p = vaddr;
- return (p[nr >> 3] & (1U << (nr & 7))) != 0;
-}
-
-static inline int find_first_zero_bit_le(const void *vaddr, unsigned size)
-{
- const unsigned long *p = vaddr, *addr = vaddr;
- int res = 0;
- unsigned int words;
-
- if (!size)
- return 0;
-
- words = (size >> 5) + ((size & 31) > 0);
- while (*p++ == ~0UL) {
- if (--words == 0)
- goto out;
- }
-
- --p;
- for (res = 0; res < 32; res++)
- if (!test_bit_le(res, p))
- break;
-out:
- res += (p - addr) * 32;
- return res < size ? res : size;
-}
-#define find_first_zero_bit_le find_first_zero_bit_le
-
-static inline unsigned long find_next_zero_bit_le(const void *addr,
- unsigned long size, unsigned long offset)
-{
- const unsigned long *p = addr;
- int bit = offset & 31UL, res;
-
- if (offset >= size)
- return size;
-
- p += offset >> 5;
-
- if (bit) {
- offset -= bit;
- /* Look for zero in first longword */
- for (res = bit; res < 32; res++)
- if (!test_bit_le(res, p)) {
- offset += res;
- return offset < size ? offset : size;
- }
- p++;
- offset += 32;
-
- if (offset >= size)
- return size;
- }
- /* No zero yet, search remaining full bytes for a zero */
- return offset + find_first_zero_bit_le(p, size - offset);
-}
-#define find_next_zero_bit_le find_next_zero_bit_le
-
-static inline int find_first_bit_le(const void *vaddr, unsigned size)
-{
- const unsigned long *p = vaddr, *addr = vaddr;
- int res = 0;
- unsigned int words;
-
- if (!size)
- return 0;
-
- words = (size >> 5) + ((size & 31) > 0);
- while (*p++ == 0UL) {
- if (--words == 0)
- goto out;
- }
-
- --p;
- for (res = 0; res < 32; res++)
- if (test_bit_le(res, p))
- break;
-out:
- res += (p - addr) * 32;
- return res < size ? res : size;
-}
-#define find_first_bit_le find_first_bit_le
-
-static inline unsigned long find_next_bit_le(const void *addr,
- unsigned long size, unsigned long offset)
-{
- const unsigned long *p = addr;
- int bit = offset & 31UL, res;
-
- if (offset >= size)
- return size;
-
- p += offset >> 5;
-
- if (bit) {
- offset -= bit;
- /* Look for one in first longword */
- for (res = bit; res < 32; res++)
- if (test_bit_le(res, p)) {
- offset += res;
- return offset < size ? offset : size;
- }
- p++;
- offset += 32;
-
- if (offset >= size)
- return size;
- }
- /* No set bit yet, search remaining full bytes for a set bit */
- return offset + find_first_bit_le(p, size - offset);
-}
-#define find_next_bit_le find_next_bit_le
-
-/* Bitmap functions for the ext2 filesystem. */
-
-#define ext2_set_bit_atomic(lock, nr, addr) \
- test_and_set_bit_le(nr, addr)
-#define ext2_clear_bit_atomic(lock, nr, addr) \
- test_and_clear_bit_le(nr, addr)
-
-#endif /* __KERNEL__ */
-
-#endif /* _M68K_BITOPS_H */