41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Very simple but very effective user-space memory tester.
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* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
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* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
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* Version 3 not publicly released.
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* Version 4 rewrite:
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* Copyright (C) 2004-2012 Charles Cazabon <charlesc-memtester@pyropus.ca>
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* Licensed under the terms of the GNU General Public License version 2 (only).
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* See the file COPYING for details.
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*
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* This file contains some macro definitions for handling 32/64 bit platforms.
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*
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*/
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#ifndef __MEMTESTER_SIZES_H
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#define __MEMTESTER_SIZES_H
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#include <common.h>
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#define rand32() ((unsigned int)rand() | ((unsigned int)rand() << 16))
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#ifndef CONFIG_ARM64
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#define rand_ul() rand32()
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#define UL_ONEBITS 0xffffffff
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#define UL_LEN 32
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#define CHECKERBOARD1 0x55555555
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#define CHECKERBOARD2 0xaaaaaaaa
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#define UL_BYTE(x) ((x | x << 8 | x << 16 | x << 24))
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#else
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#define rand64() (((ul)rand32()) << 32 | ((ul)rand32()))
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#define rand_ul() rand64()
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#define UL_ONEBITS 0xffffffffffffffffUL
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#define UL_LEN 64
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#define CHECKERBOARD1 0x5555555555555555
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#define CHECKERBOARD2 0xaaaaaaaaaaaaaaaa
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#define UL_BYTE(x) (((ul)x | (ul)x << 8 | (ul)x << 16 | (ul)x << 24 | \
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(ul)x << 32 | (ul)x << 40 | (ul)x << 48 | (ul)x << 56))
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#endif
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#endif /* __MEMTESTER_SIZES_H */
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