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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/include/util/align.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2011
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __UTIL_ALIGN_H
#define __UTIL_ALIGN_H
#include <limits.h>
// Return a number >= input that is aligned up to the next 4-byte boundary
#define ALIGN_4(u) (((u) + 0x3ull) & ~0x3ull)
// Return a number <= input that is rounded down to nearest 4-byte boundary
#define ALIGN_DOWN_4(u) ((u) & ~3ull)
// Return a number >= input that is aligned up to the next 8-byte bounday
#define ALIGN_8(u) (((u) + 0x7ull) & ~0x7ull)
// Return a number <= input that is rounded down to nearest 8-byte boundary
#define ALIGN_DOWN_8(u) ((u) & ~7ull)
// Return a number >= input that is aligned up to the next page boundary
#define ALIGN_PAGE(u) (((u) + (PAGESIZE-1)) & ~(PAGESIZE-1))
// Return a number <= input that is aligned on a page boundary
#define ALIGN_PAGE_DOWN(u) ((u) - (u)%PAGESIZE)
#endif
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