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Diffstat (limited to 'commands/mc.c')
| -rw-r--r-- | commands/mc.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/commands/mc.c b/commands/mc.c deleted file mode 100644 index 3c45b5d027..0000000000 --- a/commands/mc.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/** - * @file - * @brief memcmp: memory compare command - */ - -#include <common.h> -#include <command.h> -#include <fcntl.h> -#include <linux/stat.h> /* FIXME */ -#include <fs.h> -#include <errno.h> -#include <xfuncs.h> /* for xmalloc */ -#include <malloc.h> /* for free */ -#include <getopt.h> - -static int do_mem_cmp(cmd_tbl_t *cmdtp, int argc, char *argv[]) -{ - ulong addr1, addr2, count = ~0; - int mode = O_RWSIZE_1; - char *sourcefile = memory_device; - char *destfile = memory_device; - int sourcefd, destfd; - char *rw_buf1; - int ret = 1; - int offset = 0; - struct stat statbuf; - - if (mem_parse_options(argc, argv, "bwls:d:", &mode, &sourcefile, &destfile) < 0) - return 1; - - if (optind + 2 > argc) { - u_boot_cmd_usage(cmdtp); - return 1; - } - - addr1 = simple_strtoul(argv[optind], NULL, 0); - addr2 = simple_strtoul(argv[optind + 1], NULL, 0); - - if (optind + 2 == argc) { - if (sourcefile == memory_device) { - printf("source and count not given\n"); - return 1; - } - if (stat(sourcefile, &statbuf)) { - perror("stat"); - return 1; - } - count = statbuf.st_size - addr1; - } else { - count = simple_strtoul(argv[optind + 2], NULL, 0); - } - - sourcefd = open_and_lseek(sourcefile, mode | O_RDONLY, addr1); - if (sourcefd < 0) - return 1; - - destfd = open_and_lseek(destfile, mode | O_RDONLY, addr2); - if (destfd < 0) { - close(sourcefd); - return 1; - } - - rw_buf1 = xmalloc(RW_BUF_SIZE); - - while (count > 0) { - int now, r1, r2, i; - - now = min(RW_BUF_SIZE, count); - - r1 = read(sourcefd, rw_buf, now); - if (r1 < 0) { - perror("read"); - goto out; - } - - r2 = read(destfd, rw_buf1, now); - if (r2 < 0) { - perror("read"); - goto out; - } - - if (r1 != now || r2 != now) { - printf("regions differ in size\n"); - goto out; - } - - for (i = 0; i < now; i++) { - if (rw_buf[i] != rw_buf1[i]) { - printf("files differ at offset %d\n", offset); - goto out; - } - offset++; - } - - count -= now; - } - - printf("OK\n"); - ret = 0; -out: - close(sourcefd); - close(destfd); - free(rw_buf1); - - return ret; -} - -static __maybe_unused char cmd_memcmp_help[] = -"Usage: memcmp [OPTIONS] <addr1> <addr2> <count>\n" -"\n" -"options:\n" -" -b, -w, -l use byte, halfword, or word accesses\n" -" -s <file> source file (default /dev/mem)\n" -" -d <file> destination file (default /dev/mem)\n" -"\n" -"Compare memory regions specified with addr1 and addr2\n" -"of size <count> bytes. If source is a file count can\n" -"be left unspecified in which case the whole file is\n" -"compared\n"; - -U_BOOT_CMD_START(memcmp) - .maxargs = CONFIG_MAXARGS, - .cmd = do_mem_cmp, - .usage = "memory compare", - U_BOOT_CMD_HELP(cmd_memcmp_help) -U_BOOT_CMD_END - -/** -@page mc_command memcmp: compare something with something other - -Usage is: memcmp [OPTIONS] \<addr1> \<addr2> \<count> - -Options are: -- -s \<file> source file (default /dev/mem) -- -d \<file> destination file (default /dev/mem) -- -b access in bytes -- -w access in halfwords (16bit) -- -l access in words (32bit) - -Compare memory regions specified with \<addr1> and \<addr2> of size \<count> -bytes. If source is a file \<count> can be left unspecified in which case the -whole file is compared. - -@note The access type might be important in some physical I/O areas. - -Usage examples: - -Compare two 64kiB memory areas in CPU's physical address range: -@verbatim -uboot:/ memcmp -b 0x400 0xc0000000 0x10000 -@endverbatim - -Compare a file content with a physical memory area content (to check if -programming the flash memory was successfully): -@verbatim -uboot:/ memcmp -b -s /my_file.bin -d /dev/mem 0x0 0xc0000000 -@endverbatim - -Compare two files (also to check if programming the flash memory was -successfully): -@verbatim -uboot:/ memcmp -b -s /my_file.bin -d /dev/nor0.partition1 -@endverbatim -@note In this case \c my_file.bin could be smaller than the \c nor0.partition1. -\c memcmp stops to compare when the end of the shorter file ends. -*/ |