mirror of
https://gitee.com/bianbu-linux/tcm
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108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
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* memtester version 4
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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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*/
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#define __version__ "4.3.0"
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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//#include <sys/mman.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include "types.h"
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#include "sizes.h"
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#include "tests.h"
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#define TEST_NARROW_WRITES
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#define EXIT_FAIL_NONSTARTER 0x01
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#define EXIT_FAIL_ADDRESSLINES 0x02
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#define EXIT_FAIL_OTHERTEST 0x04
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#define TEST_LOOPS 1
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struct test tests[] = {
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{ "Random Value", test_random_value },
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{ "Compare XOR", test_xor_comparison },
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{ "Compare SUB", test_sub_comparison },
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{ "Compare MUL", test_mul_comparison },
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{ "Compare DIV", test_div_comparison },
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{ "Compare OR", test_or_comparison },
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{ "Compare AND", test_and_comparison },
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{ "Sequential Increment", test_seqinc_comparison },
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{ "Solid Bits", test_solidbits_comparison },
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{ "Block Sequential", test_blockseq_comparison },
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{ "Checkerboard", test_checkerboard_comparison },
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{ "Bit Spread", test_bitspread_comparison },
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{ "Bit Flip", test_bitflip_comparison },
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{ "Walking Ones", test_walkbits1_comparison },
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{ "Walking Zeroes", test_walkbits0_comparison },
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#ifdef TEST_NARROW_WRITES
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{ "8-bit Writes", test_8bit_wide_random },
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{ "16-bit Writes", test_16bit_wide_random },
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#endif
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{ NULL, NULL }
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};
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int memtester_main(void *ram_start, void *ram_end)
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{
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uint32_t loop, i, size, count;
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ulv *bufa = NULL, *bufb = NULL;
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int32_t ret = 0;
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size = (size_t)ram_end - (size_t)ram_start;
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size &= 0xFFFFFFFFFFFFFFF0;
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count = size / sizeof(ulv) / 2;
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bufa = (ulv *)(ram_start);
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bufb = (ulv *)((size_t)ram_start + size / 2);
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printf("Start Test RAM\n");
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printf("Test BUF A: 0x%p, Size = %d Bytes\n", bufa, size / 2);
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printf("Test BUF B: 0x%p, Size = %d Bytes\n", bufb, size / 2);
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for (loop = 0; loop < TEST_LOOPS; loop++) {
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printf("Loop %u", loop);
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printf(":\n");
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printf(" %-20s: ", "Stuck Address");
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for (i = 0;; i++) {
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if (!tests[i].name) {
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break;
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}
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printf(" %-20s: ", tests[i].name);
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if (!tests[i].fp(bufa, bufb, count)) {
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ret = 0;
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printf("ok\n");
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} else {
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ret = -1;
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printf("failed\n");
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}
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}
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printf("\n");
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}
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printf("Done.\n");
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return ret;
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}
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