1 /* SPDX-License-Identifier: GPL-2.0 */
23 	unsigned long mask = BIT_MASK(nr);  in set_bit()  local
24 	unsigned long flags;  in set_bit()  local
27 	_atomic_spin_lock_irqsave(addr, flags);  in set_bit()
28 	*addr |= mask;  in set_bit()
29 	_atomic_spin_unlock_irqrestore(addr, flags);  in set_bit()
34 	unsigned long mask = BIT_MASK(nr);  in clear_bit()  local
35 	unsigned long flags;  in clear_bit()  local
38 	_atomic_spin_lock_irqsave(addr, flags);  in clear_bit()
39 	*addr &= ~mask;  in clear_bit()
40 	_atomic_spin_unlock_irqrestore(addr, flags);  in clear_bit()
45 	unsigned long mask = BIT_MASK(nr);  in change_bit()  local
46 	unsigned long flags;  in change_bit()  local
49 	_atomic_spin_lock_irqsave(addr, flags);  in change_bit()
50 	*addr ^= mask;  in change_bit()
51 	_atomic_spin_unlock_irqrestore(addr, flags);  in change_bit()
56 	unsigned long mask = BIT_MASK(nr);  in test_and_set_bit()  local
58 	unsigned long flags;  in test_and_set_bit()  local
62 	_atomic_spin_lock_irqsave(addr, flags);  in test_and_set_bit()
64 	set = (old & mask) ? 1 : 0;  in test_and_set_bit()
66 		*addr = old | mask;  in test_and_set_bit()
67 	_atomic_spin_unlock_irqrestore(addr, flags);  in test_and_set_bit()
74 	unsigned long mask = BIT_MASK(nr);  in test_and_clear_bit()  local
76 	unsigned long flags;  in test_and_clear_bit()  local
80 	_atomic_spin_lock_irqsave(addr, flags);  in test_and_clear_bit()
82 	set = (old & mask) ? 1 : 0;  in test_and_clear_bit()
84 		*addr = old & ~mask;  in test_and_clear_bit()
85 	_atomic_spin_unlock_irqrestore(addr, flags);  in test_and_clear_bit()
92 	unsigned long mask = BIT_MASK(nr);  in test_and_change_bit()  local
94 	unsigned long flags;  in test_and_change_bit()  local
97 	_atomic_spin_lock_irqsave(addr, flags);  in test_and_change_bit()
99 	*addr = oldbit ^ mask;  in test_and_change_bit()
100 	_atomic_spin_unlock_irqrestore(addr, flags);  in test_and_change_bit()
102 	return (oldbit & mask) ? 1 : 0;  in test_and_change_bit()
105 #include <asm-generic/bitops/non-atomic.h>
108  * __ffs - find first bit in word. returns 0 to "BITS_PER_LONG-1".
113  * 32-bit fast __ffs by LaMont Jones "lamont At hp com".
114  * 64-bit enhancement by Grant Grundler "grundler At parisc-linux org".
134 		" extrd,u,*TR  %0,31,32,%0\n"	/* move top 32-bits down */  in __ffs()
135 		" addi    -32,%1,%1\n"  in __ffs()
140 		" extru,TR  %0,15,16,%0\n"	/* xxxx0000 -> 0000xxxx */  in __ffs()
141 		" addi    -16,%1,%1\n"  in __ffs()
143 		" extru,TR  %0,23,8,%0\n"	/* 0000xx00 -> 000000xx */  in __ffs()
144 		" addi    -8,%1,%1\n"  in __ffs()
146 		" extru,TR  %0,27,4,%0\n"	/* 000000x0 -> 0000000x */  in __ffs()
147 		" addi    -4,%1,%1\n"  in __ffs()
149 		" extru,TR  %0,29,2,%0\n"	/* 0000000y, 1100b -> 0011b */  in __ffs()
150 		" addi    -2,%1,%1\n"  in __ffs()
152 		" addi    -1,%1,%1\n"  in __ffs()
157 #include <asm-generic/bitops/ffz.h>
201 #include <asm-generic/bitops/__fls.h>
202 #include <asm-generic/bitops/fls64.h>
203 #include <asm-generic/bitops/hweight.h>
204 #include <asm-generic/bitops/lock.h>
205 #include <asm-generic/bitops/sched.h>
206 #include <asm-generic/bitops/le.h>
207 #include <asm-generic/bitops/ext2-atomic-setbit.h>