/* SPDX-License-Identifier: GPL-2.0 */
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/*
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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 <common.h>
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#include <console.h>
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#include "sizes.h"
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#include "types.h"
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#include "tests.h"
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#include "../ddr_tool_common.h"
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#include "../io_map.h"
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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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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 use_phys;
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off_t physaddrbase;
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/*
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* arg[0]: test start address
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* arg[1]: test length, unit: byte
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* testenable: enable test case, if 0 enable all case
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* loops: test loops, if 0 endless loop
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* err_exit: 1: exit test when found fail.
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* return 0: success, other: fail
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*/
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int doing_memtester(ul *arg, ul testenable, ul loops, ul err_exit,
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ul fix_bit, ul fix_level)
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{
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ul loop, i, j;
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ul start_adr[CONFIG_NR_DRAM_BANKS], length[CONFIG_NR_DRAM_BANKS];
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u32v * bufa[CONFIG_NR_DRAM_BANKS], *bufb[CONFIG_NR_DRAM_BANKS];
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ul count[CONFIG_NR_DRAM_BANKS];
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int exit_code = 0;
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int abort = 0;
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int test_banks;
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get_print_available_addr(start_adr, length, 0);
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test_banks = judge_test_addr(arg, start_adr, length);
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if (!test_banks) {
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printf("unavailable test address\n");
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return -1;
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}
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for (i = 0; i < ARRAY_SIZE(start_adr); i++) {
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bufa[i] = (u32v *)start_adr[i];
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bufb[i] = (u32v *)(start_adr[i] + length[i] / 2);
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count[i] = length[i] / 2 / sizeof(u32);
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}
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data_cpu_2_io_init();
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for (loop = 1; ((!loops) || loop <= loops); loop++) {
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for (j = 0; j < test_banks; j++) {
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if (!count[j])
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continue;
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printf("testing:0x%lx - 0x%lx\n", (ul)bufa[j],
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(ul)bufa[j] + count[j] * 2 * sizeof(u32));
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printf("Loop %lu", loop);
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if (loops)
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printf("/%lu", loops);
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printf(":\n");
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if (testenable && ((1 << 17) & testenable)) {
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printf(" %-20s: ", "Stuck Address");
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if (!test_stuck_address(bufa[j], count[j] * 2))
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printf("ok\n");
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else
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exit_code |= EXIT_FAIL_ADDRESSLINES;
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}
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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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/* If using a custom testenable, only run this
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* test if the bit corresponding to this test
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* was set by the user.
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*/
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if (testenable && (!((1 << i) & testenable)))
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continue;
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printf(" %-20s: ", tests[i].name);
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if (!tests[i].fp(bufa[j], bufb[j], count[j],
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fix_bit, fix_level)) {
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printf("ok\n");
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} else {
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exit_code |= EXIT_FAIL_OTHERTEST;
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if (err_exit) {
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goto out;
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}
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}
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if (ctrlc()) {
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abort = 1;
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break;
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}
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}
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printf("\n");
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if (abort)
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break;
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}
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if (abort)
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break;
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}
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out:
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if (exit_code & EXIT_FAIL_NONSTARTER)
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printf("Fail: EXIT_FAIL_NONSTARTER\n");
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if (exit_code & EXIT_FAIL_ADDRESSLINES)
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printf("Fail: EXIT_FAIL_ADDRESSLINES\n");
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if (exit_code & EXIT_FAIL_OTHERTEST)
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printf("Fail: EXIT_FAIL_OTHERTEST\n");
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if (exit_code)
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return -1;
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return 0;
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}
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static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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ul start_adr[CONFIG_NR_DRAM_BANKS], length[CONFIG_NR_DRAM_BANKS];
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ul arg[2];
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ul loops = 0;
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ul testenable = 0;
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ul err_exit = 0;
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ul fix_bit = 0;
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ul fix_level = 0;
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printf("memtester version " __version__ " (%d-bit)\n", UL_LEN);
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printf("Copyright (C) 2001-2012 Charles Cazabon.\n");
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printf("Licensed under the GNU General Public License version 2 (only).\n");
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printf("\n");
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get_print_available_addr(start_adr, length, 1);
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if (argc < 2)
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return CMD_RET_USAGE;
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if (strict_strtoul(argv[1], 0, &arg[0]) < 0)
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return CMD_RET_USAGE;
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if (argc > 2)
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if (strict_strtoul(argv[2], 0, &arg[1]) < 0)
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return CMD_RET_USAGE;
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if (argc > 3)
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if (strict_strtoul(argv[3], 0, &testenable) < 0)
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return CMD_RET_USAGE;
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if (argc > 4)
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if (strict_strtoul(argv[4], 0, &err_exit) < 0)
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return CMD_RET_USAGE;
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if (argc > 5)
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if (strict_strtoul(argv[5], 0, &fix_bit) < 0)
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return CMD_RET_USAGE;
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if (argc > 6)
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if (strict_strtoul(argv[6], 0, &fix_level) < 0)
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return CMD_RET_USAGE;
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if (argc > 7)
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if (strict_strtoul(argv[7], 0, &loops) < 0)
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return CMD_RET_USAGE;
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doing_memtester(arg, testenable, loops, err_exit, fix_bit, fix_level);
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printf("Done.\n");
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return 0;
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}
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U_BOOT_CMD(memtester, 8, 1, do_memtester,
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"do memtester",
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"[start length [testenable err_exit fix_bit fix_level [loop]]]\n"
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"start: start address, should be 4k align\n"
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"length: test length, should be 4k align, if 0 testing full space\n"
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"testenable[option]: enable pattern by set bit to 1, null or 0"
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" enable all pattern\n"
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" bit0: Random Value\n"
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" bit1: Compare XOR\n"
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" bit2: Compare SUB\n"
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" bit3: Compare MUL\n"
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" bit4: Compare DIV\n"
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" bit5: Compare OR\n"
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" bit6: Compare AND\n"
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" bit7: Sequential Increment\n"
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" bit8: Solid Bits\n"
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" bit9: Block Sequential\n"
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" bit10: Checkerboard\n"
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" bit11: Bit Spread\n"
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" bit12: Bit Flip\n"
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" bit13: Walking Ones\n"
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" bit14: Walking Zeroes\n"
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" bit15: 8-bit Writes\n"
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" bit16: 16-bit Writes\n"
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" bit17: test stuck address\n"
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" example: testenable=0x1000,enable Bit Flip only\n"
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"err_exit: if 1 stop testing immediately when finding error\n"
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"fix_bit: fixed bit to a exact level\n"
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"fix_level: fix_bit's level, 0: low, 1: high\n"
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"loop[option]: testing loop, if 0 or null endless loop\n"
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"example:\n"
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" memtester 0x200000 0x1000000: start address: 0x200000 length:"
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"0x1000000, enable all pattern, endless loop\n"
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" memtester 0x200000 0x1000000 0x1000 100: start address:0x200000"
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" length:0x1000000, Bit Flip only, loop 100 times\n"
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" memtester 0 0: testing full space\n");
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