diff options
Diffstat (limited to 'tools/firmware-utils/src/addpattern.c')
| -rw-r--r-- | tools/firmware-utils/src/addpattern.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/tools/firmware-utils/src/addpattern.c b/tools/firmware-utils/src/addpattern.c new file mode 100644 index 0000000000..5f49b921f6 --- /dev/null +++ b/tools/firmware-utils/src/addpattern.c @@ -0,0 +1,235 @@ +/* + * Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> + * + * 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 + */ + +/* July 29, 2004 + * + * This is a hacked replacement for the 'addpattern' utility used to + * create wrt54g .bin firmware files. It isn't pretty, but it does + * the job for me. + * + * Extensions: + * -v allows setting the version string on the command line. + * -{0|1} sets the (currently ignored) hw_ver flag in the header + * to 0 or 1 respectively. + */ + +/* January 12, 2005 + * + * Modified by rodent at rodent dot za dot net + * Support added for the new WRT54G v2.2 and WRT54GS v1.1 "flags" + * Without the flags set to 0x7, the above units will refuse to flash. + * + * Extensions: + * -{0|1|2} sets {0|1} sets hw_ver flag to 0/1. {2} sets hw_ver to 1 + * and adds the new hardware "flags" for the v2.2/v1.1 units +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> +#include <sys/stat.h> + +/**********************************************************************/ + +#define CODE_ID "U2ND" /* from code_pattern.h */ +#define CODE_PATTERN "W54S" /* from code_pattern.h */ +#define PBOT_PATTERN "PBOT" + +#define CYBERTAN_VERSION "v3.37.2" /* from cyutils.h */ + +/* WRT54G v2.2 and WRT54GS v1.1 "flags" (from 3.37.32 firmware cyutils.h) */ +#define SUPPORT_4712_CHIP 0x0001 +#define SUPPORT_INTEL_FLASH 0x0002 +#define SUPPORT_5325E_SWITCH 0x0004 + +struct code_header { /* from cyutils.h */ + char magic[4]; + char res1[4]; /* for extra magic */ + char fwdate[3]; + char fwvern[3]; + char id[4]; /* U2ND */ + char hw_ver; /* 0: for 4702, 1: for 4712 -- new in 2.04.3 */ + char unused; + unsigned char flags[2]; /* SUPPORT_ flags new for 3.37.2 (WRT54G v2.2 and WRT54GS v1.1) */ + unsigned char res2[10]; +} ; + +/**********************************************************************/ + +void usage(void) __attribute__ (( __noreturn__ )); + +void usage(void) +{ + fprintf(stderr, "Usage: addpattern [-i trxfile] [-o binfile] [-p pattern] [-g] [-b] [-v v#.#.#] [-{0|1|2|4}]\n"); + exit(EXIT_FAILURE); +} + +int main(int argc, char **argv) +{ + char buf[1024]; /* keep this at 1k or adjust garbage calc below */ + struct code_header *hdr; + FILE *in = stdin; + FILE *out = stdout; + char *ifn = NULL; + char *ofn = NULL; + char *pattern = CODE_PATTERN; + char *pbotpat = PBOT_PATTERN; + char *version = CYBERTAN_VERSION; + int gflag = 0; + int pbotflag = 0; + int c; + int v0, v1, v2; + size_t off, n; + time_t t; + struct tm *ptm; + + fprintf(stderr, "mjn3's addpattern replacement - v0.81\n"); + + hdr = (struct code_header *) buf; + memset(hdr, 0, sizeof(struct code_header)); + + while ((c = getopt(argc, argv, "i:o:p:gbv:0124")) != -1) { + switch (c) { + case 'i': + ifn = optarg; + break; + case 'o': + ofn = optarg; + break; + case 'p': + pattern = optarg; + break; + case 'g': + gflag = 1; + break; + case 'b': + pbotflag = 1; + break; + case 'v': /* extension to allow setting version */ + version = optarg; + break; + case '0': + hdr->hw_ver = 0; + break; + case '1': + hdr->hw_ver = 1; + break; + case '2': /* new 54G v2.2 and 54GS v1.1 flags */ + hdr->hw_ver = 1; + hdr->flags[0] |= SUPPORT_4712_CHIP; + hdr->flags[0] |= SUPPORT_INTEL_FLASH; + hdr->flags[0] |= SUPPORT_5325E_SWITCH; + break; + case '4': + /* V4 firmware sets the flags to 0x1f */ + hdr->hw_ver = 0; + hdr->flags[0] = 0x1f; + break; + + default: + usage(); + } + } + + if (optind != argc) { + fprintf(stderr, "illegal arg \"%s\"\n", argv[optind]); + usage(); + } + + if (strlen(pattern) != 4) { + fprintf(stderr, "illegal pattern \"%s\": length != 4\n", pattern); + usage(); + } + + if (ifn && !(in = fopen(ifn, "r"))) { + fprintf(stderr, "can not open \"%s\" for reading\n", ifn); + usage(); + } + + if (ofn && !(out = fopen(ofn, "w"))) { + fprintf(stderr, "can not open \"%s\" for writing\n", ofn); + usage(); + } + + if (time(&t) == (time_t)(-1)) { + fprintf(stderr, "time call failed\n"); + return EXIT_FAILURE; + } + + ptm = localtime(&t); + + if (3 != sscanf(version, "v%d.%d.%d", &v0, &v1, &v2)) { + fprintf(stderr, "bad version string \"%s\"\n", version); + return EXIT_FAILURE; + } + + memcpy(&hdr->magic, pattern, 4); + if (pbotflag) + memcpy(&hdr->res1, pbotpat, 4); + hdr->fwdate[0] = ptm->tm_year % 100; + hdr->fwdate[1] = ptm->tm_mon + 1; + hdr->fwdate[2] = ptm->tm_mday; + hdr->fwvern[0] = v0; + hdr->fwvern[1] = v1; + hdr->fwvern[2] = v2; + memcpy(&hdr->id, CODE_ID, strlen(CODE_ID)); + + off = sizeof(struct code_header); + + fprintf(stderr, "writing firmware v%d.%d.%d on %d/%d/%d (y/m/d)\n", + v0, v1, v2, + hdr->fwdate[0], hdr->fwdate[1], hdr->fwdate[2]); + + + while ((n = fread(buf + off, 1, sizeof(buf)-off, in) + off) > 0) { + off = 0; + if (n < sizeof(buf)) { + if (ferror(in)) { + FREAD_ERROR: + fprintf(stderr, "fread error\n"); + return EXIT_FAILURE; + } + if (gflag) { + gflag = sizeof(buf) - n; + memset(buf + n, 0xff, gflag); + fprintf(stderr, "adding %d bytes of garbage\n", gflag); + n = sizeof(buf); + } + } + if (!fwrite(buf, n, 1, out)) { + FWRITE_ERROR: + fprintf(stderr, "fwrite error\n"); + return EXIT_FAILURE; + } + } + + if (ferror(in)) { + goto FREAD_ERROR; + } + + if (fflush(out)) { + goto FWRITE_ERROR; + } + + fclose(in); + fclose(out); + + return EXIT_SUCCESS; +} |