267 lines
7.5 KiB
C
267 lines
7.5 KiB
C
/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Misc boot support
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*/
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#include <common.h>
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#include <command.h>
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#include <malloc.h>
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#include "../memtest/types.h"
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#include "../memtest/sizes.h"
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#include "../memtest/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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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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{ NULL, NULL }
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};
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/* Sanity checks and portability helper macros. */
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#ifdef _SC_VERSION
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void check_posix_system(void) {
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if (sysconf(_SC_VERSION) < 198808L) {
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fprintf(stderr, "A POSIX system is required. Don't be surprised if "
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"this craps out.\n");
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fprintf(stderr, "_SC_VERSION is %lu\n", sysconf(_SC_VERSION));
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}
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}
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#else
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#define check_posix_system()
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#endif
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#ifdef _SC_PAGE_SIZE
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int memtester_pagesize(void) {
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int pagesize = sysconf(_SC_PAGE_SIZE);
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if (pagesize == -1) {
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perror("get page size failed");
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exit(EXIT_FAIL_NONSTARTER);
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}
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printf("pagesize is %ld\n", (long) pagesize);
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return pagesize;
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}
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#else
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int memtester_pagesize(void) {
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printf("sysconf(_SC_PAGE_SIZE) not supported; using pagesize of 8192\n");
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return 8192;
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}
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#endif
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/* Some systems don't define MAP_LOCKED. Define it to 0 here
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so it's just a no-op when ORed with other constants. */
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#ifndef MAP_LOCKED
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#define MAP_LOCKED 0
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#endif
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/* Function declarations */
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void usage(char *me);
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static int do_memtester(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
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{
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ul loops, loop, i;
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size_t pagesize, wantraw, wantmb, wantbytes, wantbytes_orig, bufsize,
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halflen, count;
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char memsuffix;
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char szSize[12];
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//ptrdiff_t pagesizemask;
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int pagesizemask;
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void volatile *buf, *aligned;
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ulv *bufa, *bufb;
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int do_mlock = 1, done_mem = 0;
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int exit_code = 0;
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int memshift;
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size_t maxbytes = CONFIG_SYS_MALLOC_LEN; /* addressable memory, in bytes */
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size_t maxmb = (maxbytes >> 20) + 1; /* addressable memory, in MB */
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printf("memtester version 4.2.1 (%d-bit)\n", UL_LEN);
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printf("Copyright (C) 2010 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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check_posix_system();
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pagesize = memtester_pagesize();
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//pagesizemask = (ptrdiff_t) ~(pagesize - 1);
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pagesizemask = (int) ~(pagesize - 1);
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printf("pagesizemask is 0x%x\n", pagesizemask);
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if ( argc < 3 ) {
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fprintf(stderr, "need memory argument, in MB\n");
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usage(argv[0]); /* doesn't return */
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return -1;
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}
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memsuffix = argv[1][strlen(argv[1])-1];
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//printf("%s %s %s,%d\n", argv[0], argv[1], argv[2],strlen(argv[1]));
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memset(szSize,sizeof(szSize),0);
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if(memsuffix == '\0')
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memcpy(szSize,argv[1],strlen(argv[1]));
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else
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memcpy(szSize,argv[1],strlen(argv[1])-1);
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//wantraw = (size_t) strtoul(argv[optind], &memsuffix, 0);
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wantraw = simple_strtoul(szSize, NULL, 10);
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switch (memsuffix) {
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//case 'G':
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//case 'g':
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// memshift = 30; /* gigabytes */
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// break;
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case 'M':
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case 'm':
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memshift = 20; /* megabytes */
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break;
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case 'K':
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case 'k':
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memshift = 10; /* kilobytes */
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break;
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case 'B':
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case 'b':
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memshift = 0; /* bytes*/
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break;
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case '\0': /* no suffix */
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memshift = 20; /* megabytes */
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break;
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default:
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/* bad suffix */
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usage(argv[0]); /* doesn't return */
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return -1;
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}
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wantbytes_orig = wantbytes = ((size_t) wantraw << memshift);
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wantmb = (wantbytes_orig >> 20);
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if (wantmb > maxmb) {
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printf("This system can only address %d MB.\n", maxmb);
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return -1;
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}
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if (wantbytes < pagesize) {
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printf("bytes %d < pagesize %d -- memory argument too large?\n",
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wantbytes, pagesize);
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return -1;
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}
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loops = simple_strtoul(argv[2], NULL, 10);
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printf("want %uMB (%u bytes)\n", wantmb, wantbytes);
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buf = NULL;
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while (!done_mem) {
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while (!buf && wantbytes) {
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buf = (void volatile *) malloc(wantbytes);
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if (!buf) wantbytes -= pagesize;
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}
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bufsize = wantbytes;
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printf("got %lluMB (%llu bytes), start addr: 0x%lx", (ull) wantbytes >> 20,
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(ull) wantbytes, (ulong)buf);
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//fflush(stdout);
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aligned = buf;
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done_mem = 1;
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printf("\n");
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}
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if (!do_mlock) printf( "Continuing with unlocked memory; testing "
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"will be slower and less reliable.\n");
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halflen = bufsize / 2;
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count = halflen / sizeof(ul);
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bufa = (ulv *) aligned;
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bufb = (ulv *) ((size_t) aligned + halflen);
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for(loop=1; ((!loops) || loop <= loops); loop++) {
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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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}
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printf(":\n");
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printf(" %-20s: ", "Stuck Address");
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//fflush(stdout);
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if (!test_stuck_address(aligned, bufsize / sizeof(ul))) {
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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) break;
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printf(" %-20s: ", tests[i].name);
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if (!tests[i].fp(bufa, bufb, count)) {
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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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}
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//fflush(stdout);
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}
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printf("\n");
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//fflush(stdout);
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}
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// if (do_mlock) munlock((void *) aligned, bufsize);
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printf("Done.\n");
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//fflush(stdout);
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//exit(exit_code);
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return exit_code;
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}
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/* Function definitions */
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void usage(char *me) {
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printf("\nUsage: %s [-p physaddrbase] <mem>[B|K|M|G] [loops]\n", me);
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}
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/* -------------------------------------------------------------------- */
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U_BOOT_CMD(
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memtester, CONFIG_SYS_MAXARGS, 1, do_memtester,
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"start application at address 'addr'",
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"memtester size[M] loop\n"
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);
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