[ar71xx]: Belkin AC 1750 DB (F9K1115v2) support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> SVN-Revision: 43734
This commit is contained in:
Imre Kaloz
target/linux/ar71xx
tools/firmware-utils
@ -71,6 +71,7 @@ define Host/Compile
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$(call cc,mkheader_gemtek,-lz)
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$(call cc,mkrtn56uimg, -lz)
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$(call cc,dgn3500sum)
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$(call cc,edimax_fw_header, -Wall)
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endef
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define Host/Install
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386
tools/firmware-utils/src/edimax_fw_header.c
Normal file
386
tools/firmware-utils/src/edimax_fw_header.c
Normal file
@ -0,0 +1,386 @@
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/*
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* Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h> /* for unlink() */
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#include <libgen.h>
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#include <getopt.h> /* for getopt() */
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#define MAX_MAGIC_LEN 16
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#define MAX_MODEL_LEN 32
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#define MAX_VERSION_LEN 14
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#define MAX_MTD_NAME_LEN 16
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#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
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struct edimax_header {
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char magic[MAX_MAGIC_LEN];
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char model[MAX_MODEL_LEN];
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unsigned char force;
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unsigned char header_csum;
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unsigned char data_csum;
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uint32_t data_size;
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uint32_t start_addr;
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uint32_t end_addr;
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char fw_version[MAX_VERSION_LEN];
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unsigned char type;
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char mtd_name[MAX_MTD_NAME_LEN];
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} __attribute__ ((packed));
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/*
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* Globals
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*/
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static char *ofname;
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static char *ifname;
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static char *progname;
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static char *model;
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static char *magic = "eDiMaX";
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static char *fw_version = "";
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static char *mtd_name;
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static int force;
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static uint32_t start_addr;
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static uint32_t end_addr;
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static uint8_t image_type;
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static int data_size;
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/*
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* Message macros
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*/
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#define ERR(fmt, ...) do { \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt "\n", \
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progname, ## __VA_ARGS__ ); \
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} while (0)
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#define ERRS(fmt, ...) do { \
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int save = errno; \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt " (%s)\n", \
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progname, ## __VA_ARGS__, strerror(save)); \
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} while (0)
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#define DBG(fmt, ...) do { \
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fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
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} while (0)
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static void usage(int status)
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{
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FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
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fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
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fprintf(stream,
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"\n"
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"Options:\n"
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" -e <addr> set end addr to <addr>\n"
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" -f set force flag\n"
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" -h show this screen\n"
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" -i <file> read input data from the file <file>\n"
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" -o <file> write output to the file <file>\n"
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" -m <model> set model to <model>\n"
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" -M <magic> set image magic to <magic>\n"
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" -n <name> set MTD device name to <name>\n"
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" -s <addr> set start address to <addr>\n"
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" -t <type> set image type to <type>\n"
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" -v <version> set firmware version to <version>\n"
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);
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exit(status);
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}
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int
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str2u32(char *arg, uint32_t *val)
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{
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char *err = NULL;
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uint32_t t;
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errno=0;
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t = strtoul(arg, &err, 0);
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if (errno || (err==arg) || ((err != NULL) && *err)) {
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return -1;
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}
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*val = t;
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return 0;
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}
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int
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str2u8(char *arg, uint8_t *val)
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{
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char *err = NULL;
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uint32_t t;
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errno=0;
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t = strtoul(arg, &err, 0);
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if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
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return -1;
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}
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*val = t & 0xFF;
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return 0;
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}
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static int get_file_size(char *name)
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{
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struct stat st;
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int res;
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res = stat(name, &st);
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if (res){
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ERRS("stat failed on %s", name);
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return -1;
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}
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return st.st_size;
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}
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static int read_to_buf(char *name, char *buf, int buflen)
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{
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FILE *f;
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int ret = EXIT_FAILURE;
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f = fopen(name, "r");
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if (f == NULL) {
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ERRS("could not open \"%s\" for reading", name);
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goto out;
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}
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errno = 0;
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fread(buf, buflen, 1, f);
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if (errno != 0) {
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ERRS("unable to read from file \"%s\"", name);
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goto out_close;
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}
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ret = EXIT_SUCCESS;
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out_close:
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fclose(f);
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out:
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return ret;
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}
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static int check_options(void)
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{
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#define CHKSTR(_name, _msg) \
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do { \
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if (_name == NULL) { \
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ERR("no %s specified", _msg); \
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return -1; \
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} \
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} while (0)
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#define CHKSTRLEN(_name, _msg) \
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do { \
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int field_len; \
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CHKSTR(_name, _msg); \
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field_len = FIELD_SIZEOF(struct edimax_header, _name) - 1; \
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if (strlen(_name) > field_len) { \
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ERR("'%s' is too long, max %s length is %d", \
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_name, _msg, field_len); \
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return -1; \
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} \
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} while (0)
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CHKSTR(ofname, "output file");
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CHKSTR(ifname, "input file");
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CHKSTRLEN(magic, "magic");
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CHKSTRLEN(model, "model");
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CHKSTRLEN(mtd_name, "MTD device name");
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CHKSTRLEN(fw_version, "firware version");
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data_size = get_file_size(ifname);
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if (data_size < 0)
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return -1;
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return 0;
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}
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static int write_fw(char *data, int len)
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{
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FILE *f;
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int ret = EXIT_FAILURE;
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f = fopen(ofname, "w");
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if (f == NULL) {
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ERRS("could not open \"%s\" for writing", ofname);
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goto out;
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}
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errno = 0;
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fwrite(data, len, 1, f);
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if (errno) {
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ERRS("unable to write output file");
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goto out_flush;
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}
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DBG("firmware file \"%s\" completed", ofname);
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ret = EXIT_SUCCESS;
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out_flush:
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fflush(f);
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fclose(f);
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if (ret != EXIT_SUCCESS) {
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unlink(ofname);
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}
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out:
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return ret;
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}
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static unsigned char checksum(unsigned char *p, unsigned len)
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{
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unsigned char csum = 0;
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while (len--)
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csum += *p++;
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csum ^= 0xb9;
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return csum;
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}
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static int build_fw(void)
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{
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int buflen;
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char *buf;
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char *data;
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struct edimax_header *hdr;
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int ret = EXIT_FAILURE;
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buflen = sizeof(struct edimax_header) + data_size;
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buf = malloc(buflen);
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if (!buf) {
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ERR("no memory for buffer\n");
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goto out;
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}
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data = buf + sizeof(struct edimax_header);
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/* read input file */
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ret = read_to_buf(ifname, data, data_size);
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if (ret)
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goto out_free_buf;
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/* fill firmware header */
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hdr = (struct edimax_header *)buf;
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memset(hdr, 0, sizeof(struct edimax_header *));
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strncpy(hdr->model, model, sizeof(hdr->model));
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strncpy(hdr->magic, magic, sizeof(hdr->magic));
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strncpy(hdr->fw_version, fw_version, sizeof(hdr->fw_version));
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strncpy(hdr->mtd_name, mtd_name, sizeof(hdr->mtd_name));
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hdr->force = force;
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hdr->start_addr = htonl(start_addr);
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hdr->end_addr = htonl(end_addr);
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hdr->data_size = htonl(data_size);
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hdr->type = image_type;
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hdr->data_csum = checksum((unsigned char *)data, data_size);
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hdr->header_csum = checksum((unsigned char *)hdr,
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sizeof(struct edimax_header));
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ret = write_fw(buf, buflen);
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if (ret)
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goto out_free_buf;
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ret = EXIT_SUCCESS;
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out_free_buf:
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free(buf);
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out:
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return ret;
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}
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int main(int argc, char *argv[])
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{
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int ret = EXIT_FAILURE;
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progname = basename(argv[0]);
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while (1) {
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int c;
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c = getopt(argc, argv, "e:fhi:o:m:M:n:s:t:v:");
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if (c == -1)
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break;
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switch (c) {
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case 'e':
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if (str2u32(optarg, &end_addr)) {
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ERR("%s is invalid '%s'",
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"end address", optarg);
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goto out;
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}
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break;
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case 'f':
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force = 1;
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break;
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case 'i':
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ifname = optarg;
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break;
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case 'h':
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usage(EXIT_SUCCESS);
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break;
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case 'o':
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ofname = optarg;
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break;
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case 'm':
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model = optarg;
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break;
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case 'M':
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magic = optarg;
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break;
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case 'n':
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mtd_name = optarg;
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break;
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case 's':
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if (str2u32(optarg, &start_addr)) {
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ERR("%s is invalid '%s'",
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"start address", optarg);
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goto out;
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}
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break;
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case 't':
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if (str2u8(optarg, &image_type)) {
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ERR("%s is invalid '%s'",
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"image type", optarg);
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goto out;
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}
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break;
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case 'v':
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fw_version = optarg;
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break;
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default:
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usage(EXIT_FAILURE);
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break;
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}
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}
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ret = check_options();
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if (ret)
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goto out;
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ret = build_fw();
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out:
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return ret;
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}
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