diff options
Diffstat (limited to 'libc/kernel/common/asm-generic/bitops/le.h')
-rw-r--r-- | libc/kernel/common/asm-generic/bitops/le.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/kernel/common/asm-generic/bitops/le.h b/libc/kernel/common/asm-generic/bitops/le.h new file mode 100644 index 0000000..97ca973 --- /dev/null +++ b/libc/kernel/common/asm-generic/bitops/le.h @@ -0,0 +1,53 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 |