diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 50 |
1 files changed, 50 insertions, 0 deletions
@@ -81,6 +81,9 @@ enum cmdline_opts { OPT_VERSION, OPT_MINILOADER, OPT_MINIENTRY, +#ifdef HAVE_USB_PORT_MATCH + OPT_USBPORTPATH, +#endif OPT_END, }; @@ -102,6 +105,12 @@ static void usage(char *progname) fprintf(stderr, "\tbootloader to device and start execution of bootloader\n"); fprintf(stderr, "\n"); fprintf(stderr, "Options:\n"); +#ifdef HAVE_USB_PORT_MATCH + fprintf(stderr, "\t--usb-port-path=<path>\n"); + fprintf(stderr, "\t\tSpecify the USB device to program, e.g. 3-10.4\n"); + fprintf(stderr, "\t\tSee `udevadm info /dev/bus/usb/003/042` DEVPATH\n"); + fprintf(stderr, "\t\tSee /sys/bus/usb/devices/* with matching busnum/devnum files\n"); +#endif fprintf(stderr, "\t--entryaddr=<entryaddr>\n"); fprintf(stderr, "\t\tSpecify the entry point for the bootloader, if this option is\n"); fprintf(stderr, "\t\tnot provided, it is assumed to be loadaddr\n"); @@ -117,6 +126,36 @@ static void usage(char *progname) fprintf(stderr, "\n"); } +#ifdef HAVE_USB_PORT_MATCH +static void parse_usb_port_path(char *argv0, char *path, uint8_t *match_bus, + uint8_t *match_ports, int *match_ports_len) +{ + *match_bus = strtoul(path, &path, 10); + if (*path != '-') { + usage(argv0); + exit(EXIT_FAILURE); + } + path++; + + *match_ports_len = 0; + for (;;) { + match_ports[*match_ports_len] = strtoul(path, &path, 10); + (*match_ports_len)++; + if (!*path) + break; + if (*match_ports_len >= PORT_MATCH_MAX_PORTS) { + usage(argv0); + exit(EXIT_FAILURE); + } + if (*path != '.') { + usage(argv0); + exit(EXIT_FAILURE); + } + path++; + } +} +#endif + int main(int argc, char **argv) { // discover devices @@ -152,6 +191,9 @@ int main(int argc, char **argv) [OPT_VERSION] = {"version", 0, 0, 0}, [OPT_MINILOADER] = {"miniloader", 1, 0, 0}, [OPT_MINIENTRY] = {"miniloader_entry", 1, 0, 0}, +#ifdef HAVE_USB_PORT_MATCH + [OPT_USBPORTPATH] = {"usb-port-path", 1, 0, 0}, +#endif [OPT_END] = {0, 0, 0, 0} }; @@ -187,6 +229,14 @@ int main(int argc, char **argv) case OPT_MINIENTRY: mlentry = strtoul(optarg, NULL, 0); break; +#ifdef HAVE_USB_PORT_MATCH + case OPT_USBPORTPATH: + parse_usb_port_path(argv[0], optarg, + &match_bus, match_ports, + &match_ports_len); + match_port = true; + break; +#endif case OPT_HELP: default: usage(argv[0]); |