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-rw-r--r--commands/mem.c432
1 files changed, 0 insertions, 432 deletions
diff --git a/commands/mem.c b/commands/mem.c
index a531bd5c06..7eb60afec3 100644
--- a/commands/mem.c
+++ b/commands/mem.c
@@ -103,438 +103,6 @@ int mem_parse_options(int argc, char *argv[], char *optstr, int *mode,
return 0;
}
-static int do_mem_md(int argc, char *argv[])
-{
- loff_t start = 0, size = 0x100;
- int r, now;
- int ret = 0;
- int fd;
- char *filename = DEVMEM;
- int mode = O_RWSIZE_4;
- int swab = 0;
-
- if (argc < 2)
- return COMMAND_ERROR_USAGE;
-
- if (mem_parse_options(argc, argv, "bwls:x", &mode, &filename, NULL,
- &swab) < 0)
- return 1;
-
- if (optind < argc) {
- if (parse_area_spec(argv[optind], &start, &size)) {
- printf("could not parse: %s\n", argv[optind]);
- return 1;
- }
- if (size == ~0)
- size = 0x100;
- }
-
- fd = open_and_lseek(filename, mode | O_RDONLY, start);
- if (fd < 0)
- return 1;
-
- do {
- now = min(size, (loff_t)RW_BUF_SIZE);
- r = read(fd, mem_rw_buf, now);
- if (r < 0) {
- perror("read");
- goto out;
- }
- if (!r)
- goto out;
-
- if ((ret = memory_display(mem_rw_buf, start, r,
- mode >> O_RWSIZE_SHIFT, swab)))
- goto out;
-
- start += r;
- size -= r;
- } while (size);
-
-out:
- close(fd);
-
- return ret ? 1 : 0;
-}
-
-static const __maybe_unused char cmd_md_help[] =
-"Usage md [OPTIONS] <region>\n"
-"display (hexdump) a memory region.\n"
-"options:\n"
-" -s <file> display file (default /dev/mem)\n"
-" -b output in bytes\n"
-" -w output in halfwords (16bit)\n"
-" -l output in words (32bit)\n"
-" -x swap bytes at output\n"
-"\n"
-"Memory regions:\n"
-"Memory regions can be specified in two different forms: start+size\n"
-"or start-end, If <start> is omitted it defaults to 0. If end is omitted it\n"
-"defaults to the end of the device, except for interactive commands like md\n"
-"and mw for which it defaults to 0x100.\n"
-"Sizes can be specified as decimal, or if prefixed with 0x as hexadecimal.\n"
-"an optional suffix of k, M or G is for kibibytes, Megabytes or Gigabytes,\n"
-"respectively\n";
-
-
-BAREBOX_CMD_START(md)
- .cmd = do_mem_md,
- .usage = "memory display",
- BAREBOX_CMD_HELP(cmd_md_help)
-BAREBOX_CMD_END
-
-static int do_mem_mw(int argc, char *argv[])
-{
- int ret = 0;
- int fd;
- char *filename = DEVMEM;
- int mode = O_RWSIZE_4;
- loff_t adr;
- int swab = 0;
-
- if (mem_parse_options(argc, argv, "bwld:x", &mode, NULL, &filename,
- &swab) < 0)
- return 1;
-
- if (optind + 1 >= argc)
- return COMMAND_ERROR_USAGE;
-
- adr = strtoull_suffix(argv[optind++], NULL, 0);
-
- fd = open_and_lseek(filename, mode | O_WRONLY, adr);
- if (fd < 0)
- return 1;
-
- while (optind < argc) {
- u8 val8;
- u16 val16;
- u32 val32;
- switch (mode) {
- case O_RWSIZE_1:
- val8 = simple_strtoul(argv[optind], NULL, 0);
- ret = write(fd, &val8, 1);
- break;
- case O_RWSIZE_2:
- val16 = simple_strtoul(argv[optind], NULL, 0);
- if (swab)
- val16 = __swab16(val16);
- ret = write(fd, &val16, 2);
- break;
- case O_RWSIZE_4:
- val32 = simple_strtoul(argv[optind], NULL, 0);
- if (swab)
- val32 = __swab32(val32);
- ret = write(fd, &val32, 4);
- break;
- }
- if (ret < 0) {
- perror("write");
- break;
- }
- ret = 0;
- optind++;
- }
-
- close(fd);
-
- return ret ? 1 : 0;
-}
-
-static const __maybe_unused char cmd_mw_help[] =
-"Usage: mw [OPTIONS] <region> <value(s)>\n"
-"Write value(s) to the specifies region.\n"
-"options:\n"
-" -b, -w, -l use byte, halfword, or word accesses\n"
-" -d <file> write file (default /dev/mem)\n";
-
-BAREBOX_CMD_START(mw)
- .cmd = do_mem_mw,
- .usage = "memory write (fill)",
- BAREBOX_CMD_HELP(cmd_mw_help)
-BAREBOX_CMD_END
-
-static int do_mem_cmp(int argc, char *argv[])
-{
- loff_t addr1, addr2, count = ~0;
- int mode = O_RWSIZE_1;
- char *sourcefile = DEVMEM;
- char *destfile = DEVMEM;
- 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, NULL) < 0)
- return 1;
-
- if (optind + 2 > argc)
- return COMMAND_ERROR_USAGE;
-
- addr1 = strtoull_suffix(argv[optind], NULL, 0);
- addr2 = strtoull_suffix(argv[optind + 1], NULL, 0);
-
- if (optind + 2 == argc) {
- if (sourcefile == DEVMEM) {
- printf("source and count not given\n");
- return 1;
- }
- if (stat(sourcefile, &statbuf)) {
- perror("stat");
- return 1;
- }
- count = statbuf.st_size - addr1;
- } else {
- count = strtoull_suffix(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((loff_t)RW_BUF_SIZE, count);
-
- r1 = read(sourcefd, mem_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 (mem_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 const __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";
-
-BAREBOX_CMD_START(memcmp)
- .cmd = do_mem_cmp,
- .usage = "memory compare",
- BAREBOX_CMD_HELP(cmd_memcmp_help)
-BAREBOX_CMD_END
-
-static int do_mem_cp(int argc, char *argv[])
-{
- loff_t count, dest, src;
- char *sourcefile = DEVMEM;
- char *destfile = DEVMEM;
- int sourcefd, destfd;
- int mode = 0;
- struct stat statbuf;
- int ret = 0;
-
- if (mem_parse_options(argc, argv, "bwls:d:", &mode, &sourcefile,
- &destfile, NULL) < 0)
- return 1;
-
- if (optind + 2 > argc)
- return COMMAND_ERROR_USAGE;
-
- src = strtoull_suffix(argv[optind], NULL, 0);
- dest = strtoull_suffix(argv[optind + 1], NULL, 0);
-
- if (optind + 2 == argc) {
- if (sourcefile == DEVMEM) {
- printf("source and count not given\n");
- return 1;
- }
- if (stat(sourcefile, &statbuf)) {
- perror("stat");
- return 1;
- }
- count = statbuf.st_size - src;
- } else {
- count = strtoull_suffix(argv[optind + 2], NULL, 0);
- }
-
- sourcefd = open_and_lseek(sourcefile, mode | O_RDONLY, src);
- if (sourcefd < 0)
- return 1;
-
- destfd = open_and_lseek(destfile, O_WRONLY | O_CREAT | mode, dest);
- if (destfd < 0) {
- close(sourcefd);
- return 1;
- }
-
- while (count > 0) {
- int now, r, w, tmp;
-
- now = min((loff_t)RW_BUF_SIZE, count);
-
- r = read(sourcefd, mem_rw_buf, now);
- if (r < 0) {
- perror("read");
- goto out;
- }
-
- if (!r)
- break;
-
- tmp = 0;
- now = r;
- while (now) {
- w = write(destfd, mem_rw_buf + tmp, now);
- if (w < 0) {
- perror("write");
- goto out;
- }
- if (!w)
- break;
-
- now -= w;
- tmp += w;
- }
-
- count -= r;
-
- if (ctrlc())
- goto out;
- }
-
- if (count) {
- printf("ran out of data\n");
- ret = 1;
- }
-
-out:
- close(sourcefd);
- close(destfd);
-
- return ret;
-}
-
-static const __maybe_unused char cmd_memcpy_help[] =
-"Usage: memcpy [OPTIONS] <src> <dst> <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"
-"Copy memory at <src> of <count> bytes to <dst>\n";
-
-BAREBOX_CMD_START(memcpy)
- .cmd = do_mem_cp,
- .usage = "memory copy",
- BAREBOX_CMD_HELP(cmd_memcpy_help)
-BAREBOX_CMD_END
-
-static int do_memset(int argc, char *argv[])
-{
- loff_t s, c, n;
- int fd;
- char *buf;
- int mode = O_RWSIZE_1;
- int ret = 1;
- char *file = DEVMEM;
-
- if (mem_parse_options(argc, argv, "bwld:", &mode, NULL, &file,
- NULL) < 0)
- return 1;
-
- if (optind + 3 > argc)
- return COMMAND_ERROR_USAGE;
-
- s = strtoull_suffix(argv[optind], NULL, 0);
- c = strtoull_suffix(argv[optind + 1], NULL, 0);
- n = strtoull_suffix(argv[optind + 2], NULL, 0);
-
- fd = open_and_lseek(file, mode | O_WRONLY, s);
- if (fd < 0)
- return 1;
-
- buf = xmalloc(RW_BUF_SIZE);
- memset(buf, c, RW_BUF_SIZE);
-
- while (n > 0) {
- int now;
-
- now = min((loff_t)RW_BUF_SIZE, n);
-
- ret = write(fd, buf, now);
- if (ret < 0) {
- perror("write");
- ret = 1;
- goto out;
- }
-
- n -= now;
- }
-
- ret = 0;
-out:
- close(fd);
- free(buf);
-
- return ret;
-}
-
-static const __maybe_unused char cmd_memset_help[] =
-"Usage: memset [OPTIONS] <addr> <c> <n>\n"
-"\n"
-"options:\n"
-" -b, -w, -l use byte, halfword, or word accesses\n"
-" -d <file> destination file (default /dev/mem)\n"
-"\n"
-"Fill the first <n> bytes at offset <addr> with byte <c>\n";
-
-BAREBOX_CMD_START(memset)
- .cmd = do_memset,
- .usage = "memory fill",
- BAREBOX_CMD_HELP(cmd_memset_help)
-BAREBOX_CMD_END
-
static struct file_operations memops = {
.read = mem_read,
.write = mem_write,
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 09:19:21 +0000