BitManip.h File Reference

Go to the source code of this file.

Macros
#define	bk_set_bit(X, O)
#define	bk_clear_bit(X, O)
#define	bk_toogle(X, O)
#define	bk_lsb(X)
#define	bk_msb(X)
#define	bk_look_for_bit(X, O)

Macro Definition Documentation

bk_clear_bit

#define bk_clear_bit	(		X,
			O )

Value:

X = ~(1 << O) & X

bk_look_for_bit

#define bk_look_for_bit	(		X,
			O )

Value:

(1 << O) | X

bk_lsb

#define bk_lsb

(

X

)

Value:

X = X & -X

bk_msb

#define bk_msb

(

X

)

Value:

X = -(mp_lsb(X)) & X

bk_set_bit

#define bk_set_bit	(		X,
			O )

Value:

X = (1 << O) | X

File: BitManip.h Purpose: Bit manipulation helpers, based on neboot-dev.

bk_toogle

#define bk_toogle	(		X,
			O )

Value:

X = (1 << O) ^ X