/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/include/util/align.H $ */ /* */ /* IBM CONFIDENTIAL */ /* */ /* COPYRIGHT International Business Machines Corp. 2011,2013 */ /* */ /* 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 otherwise */ /* divested of its trade secrets, irrespective of what has been */ /* deposited with the U.S. Copyright Office. */ /* */ /* Origin: 30 */ /* */ /* IBM_PROLOG_END_TAG */ #ifndef __UTIL_ALIGN_H #define __UTIL_ALIGN_H #include // 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