Generic

Files
file	align.h
file	gentypes.h
file	align.h
	Macros for making values and addresses aligned.

Macros
#define	ALIGN_UP(addr, align)   (((addr) + ((align) - 1)) & ~((align) - 1))
#define	ALIGN_DOWN(s, a)   ((s) & ~((a) - 1))
#define	ALIGN_UP(s, a)   (((s) + ((a) - 1)) & ~((a) - 1))

Detailed Description

Macro Definition Documentation

ALIGN_DOWN

#define ALIGN_DOWN	(		s,
			a
	)		((s) & ~((a) - 1))

Align to the nearest lower address.

Parameters

s	Address or size to be aligned.
a	Size of alignment, must be power of 2.

ALIGN_UP [1/2]

#define ALIGN_UP	(		addr,
			align
	)		(((addr) + ((align) - 1)) & ~((align) - 1))

Align to the nearest higher address.

Parameters

addr	Address or size to be aligned.
align	Size of alignment, must be power of 2.

ALIGN_UP [2/2]

#define ALIGN_UP	(		s,
			a
	)		(((s) + ((a) - 1)) & ~((a) - 1))

Align to the nearest higher address.

Parameters

s	Address or size to be aligned.
a	Size of alignment, must be power of 2.