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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/util/align.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#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)
// Return a number >= input that is aligned up to the next MB boundary
#define ALIGN_MEGABYTE(u) (((u) + (MEGABYTE-1)) & ~(MEGABYTE-1))
// Return a number <= input that is aligned on a MB boundary
#define ALIGN_MEGABYTE_DOWN(u) ((u) - (u)%MEGABYTE)
#endif
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