235 lines
6.6 KiB
C
235 lines
6.6 KiB
C
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/* 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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#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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DECLARE_GLOBAL_DATA_PTR;
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/* reserved sp size 1MB */
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#define RESERVED_SP_SIZE 0x100000
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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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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 loop, i, j;
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ul buf_start;
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ul start_adr[2], length[2];
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ulv * bufa[2], *bufb[2];
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ul count[2];
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ul bufsize = 0;
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ul loops = 0;
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ul testenable = 0;
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int exit_code = 0;
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int abort = 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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start_adr[0] = (size_t)gd->bd->bi_dram[0].start;
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if (gd->bd->bi_dram[1].start) {
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length[0] = (size_t)gd->bd->bi_dram[0].size;
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start_adr[1] = (size_t)gd->bd->bi_dram[1].start;
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length[1] = gd->start_addr_sp - RESERVED_SP_SIZE - start_adr[1];
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length[1] &= ~0xfff;
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} else {
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length[0] = gd->start_addr_sp - RESERVED_SP_SIZE - start_adr[0];
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length[0] &= ~0xfff;
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start_adr[1] = 0;
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length[1] = 0;
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}
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printf("available memory for test:\n");
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printf(" start end length\n");
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printf(" 0x%08lx - 0x%08lx 0x%08lx\n",
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start_adr[0], start_adr[0] + length[0], length[0]);
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if (start_adr[1])
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printf(" 0x%08lx - 0x%08lx 0x%08lx\n",
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start_adr[1], start_adr[1] + length[1], 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, &buf_start) < 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, &bufsize) < 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, &loops) < 0)
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return CMD_RET_USAGE;
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if (!bufsize) {
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/* test all memory */
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for (i = 0; i < 2; i++) {
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bufa[i] = (ulv *)start_adr[i];
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bufb[i] = (ulv *)(start_adr[i] + length[i] / 2);
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count[i] = length[i] / 2 / sizeof(ul);
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}
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} else {
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bufa[0] = (ulv *)buf_start;
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bufb[0] = (ulv *)(buf_start + bufsize / 2);
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count[0] = bufsize / 2 / sizeof(ul);
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bufa[1] = 0;
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if (start_adr[1]) {
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if (buf_start < start_adr[0] ||
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(buf_start >= start_adr[0] + length[0] &&
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buf_start < start_adr[1]) ||
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((buf_start + bufsize >
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start_adr[0] + length[0]) &&
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buf_start + bufsize < start_adr[1]) ||
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(buf_start + bufsize >
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start_adr[1] + length[1])) {
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printf("unavailable memory space\n");
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return CMD_RET_FAILURE;
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}
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} else {
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if (buf_start < start_adr[0] ||
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(buf_start + bufsize >
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start_adr[0] + length[0])) {
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printf("unavailable memory space\n");
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return CMD_RET_FAILURE;
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}
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}
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}
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for (loop = 1; ((!loops) || loop <= loops); loop++) {
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for (j = 0; j < 2; j++) {
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if (!bufa[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(ul));
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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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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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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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printf("ok\n");
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else
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exit_code |= EXIT_FAIL_OTHERTEST;
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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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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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printf("Done.\n");
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return 0;
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}
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U_BOOT_CMD(memtester, 5, 1, do_memtester,
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"do memtester",
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"[start length [testenable [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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" example: testenable=0x1000,enable Bit Flip only\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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