libc/kernel/common/asm-generic/bitops/le.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _ASM_GENERIC_BITOPS_LE_H_
#define _ASM_GENERIC_BITOPS_LE_H_

#include <asm/types.h>
#include <asm/byteorder.h>

#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)

#ifdef __LITTLE_ENDIAN

#define generic_test_le_bit(nr, addr) test_bit(nr, addr)
#define generic___set_le_bit(nr, addr) __set_bit(nr, addr)
#define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr)

#define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr)
#define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr)

#define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr)
#define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr)

#define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset)

#elif defined(__BIG_ENDIAN)

#define generic_test_le_bit(nr, addr)   test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
#define generic___set_le_bit(nr, addr)   __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
#define generic___clear_le_bit(nr, addr)   __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))

#define generic_test_and_set_le_bit(nr, addr)   test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
#define generic_test_and_clear_le_bit(nr, addr)   test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))

#define generic___test_and_set_le_bit(nr, addr)   __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
#define generic___test_and_clear_le_bit(nr, addr)   __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))

#else
#error "Please fix <asm/byteorder.h>"
#endif

#define generic_find_first_zero_le_bit(addr, size)   generic_find_next_zero_le_bit((addr), (size), 0)

#endif