diff options
| -rw-r--r-- | flash_info.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/flash_info.c b/flash_info.c index d4887da..6c518b2 100644 --- a/flash_info.c +++ b/flash_info.c @@ -18,39 +18,45 @@ static void usage(int status) { fprintf(status ? stderr : stdout, - "Usage: %s <device>\n", + "Usage: %s <device> [devices]\n", PROGRAM_NAME); exit(status); } int main(int argc, char *argv[]) { - int regcount; - int fd; + int fd, i, regcount; if (argc < 2) usage(1); if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) usage(0); - /* Open and size the device */ - fd = open(argv[1], O_RDONLY); - if (fd < 0) - sys_errmsg_die("could not open: %s", argv[1]); - - if (ioctl(fd, MEMGETREGIONCOUNT, ®count) == 0) { - int i; + for (i = 1; i < argc; ++i) { + const char *dev = argv[i]; + int r; region_info_t reginfo; - printf("Device %s has %d erase regions\n", argv[1], regcount); - for (i = 0; i < regcount; i++) { - reginfo.regionindex = i; + + /* Open and size the device */ + fd = open(dev, O_RDONLY); + if (fd < 0) { + sys_errmsg("could not open: %s", dev); + continue; + } + + if (ioctl(fd, MEMGETREGIONCOUNT, ®count)) + continue; + + printf("%s: %d erase regions\n", dev, regcount); + for (r = 0; r < regcount; ++r) { + reginfo.regionindex = r; if (ioctl(fd, MEMGETREGIONINFO, ®info) == 0) { printf("Region %d is at 0x%x with size 0x%x and " - "has 0x%x blocks\n", i, reginfo.offset, + "has 0x%x blocks\n", r, reginfo.offset, reginfo.erasesize, reginfo.numblocks); } else { warnmsg("can not read region %d from a %d region device", - i, regcount); + r, regcount); } } } |