On 21/04/2014 17:57, Claudio Leite wrote:
> Generates webflash-compatible images for a few RT2880 routers
> based on Gemtek OEM boards.
>
> Signed-off-by: Claudio Leite <lei...@staticky.com>
is there a difference between these 2 patches and the 3/3 that was
posted earlier ? i already have the 3/3 in my local queue, wanna make
sure i push the correct patch ...
> --- tools/firmware-utils/Makefile | 1 +
> tools/firmware-utils/src/mkheader_gemtek.c | 211
> +++++++++++++++++++++++++++++ 2 files changed, 212 insertions(+)
> create mode 100644 tools/firmware-utils/src/mkheader_gemtek.c
>
> diff --git a/tools/firmware-utils/Makefile
> b/tools/firmware-utils/Makefile index 585090e..3be80e7 100644 ---
> a/tools/firmware-utils/Makefile +++
> b/tools/firmware-utils/Makefile @@ -66,6 +66,7 @@ define
> Host/Compile $(call cc,mkporayfw, -Wall) #$(call cc,mkhilinkfw,
> -lcrypto) $(call cc,mkdcs932, -Wall) + $(call
> cc,mkheader_gemtek,-lz) endef
>
> define Host/Install diff --git
> a/tools/firmware-utils/src/mkheader_gemtek.c
> b/tools/firmware-utils/src/mkheader_gemtek.c new file mode 100644
> index 0000000..9e618ef --- /dev/null +++
> b/tools/firmware-utils/src/mkheader_gemtek.c @@ -0,0 +1,211 @@ +/*
> + * Copyright (C) 2014 Claudio Leite <lei...@staticky.com> + * + *
> 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 + */ +
> +/* + * Builds a proper flash image for routers using some Gemtek +
> * OEM boards. These include the Airlink101 AR725W, the + * Asante
> SmartHub 600 (AWRT-600N), and Linksys WRT100/110. + * + * The
> resulting image is compatible with the factory firmware + * web
> upgrade and TFTP interface. + * + * To build: + * gcc -O2 -o
> mkheader_gemtek mkheader_gemtek.c -lz + * + * Claudio Leite
> <lei...@staticky.com> + */ + +#include <stdio.h> +#include
> <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include
> <zlib.h> /* for crc32() */ + +/* + * The header is in
> little-endian format. In case + * we are on a BE host, we need to
> swap binary + * values. + */ +#ifdef __APPLE__ +# include
> <libkern/OSByteOrder.h> +# define le32 OSSwapHostToLittleInt32
> +#else +# if defined(__linux__) +# include <endian.h> +# if
> __BYTE_ORDER == __BIG_ENDIAN +# define CPU_BIG_ENDIAN +# endif
> +# else +# include <sys/endian.h> /* BSD's should have this */ +#
> if _BYTE_ORDER == _BIG_ENDIAN +# define CPU_BIG_ENDIAN +# endif
> +# endif +# ifdef CPU_BIG_ENDIAN +# define le32(x) (((x &
> 0xff000000) >> 24) | \ + ((x & 0x00ff0000) >> 8)
> | \ + ((x & 0x0000ff00) << 8) | \ +
> ((x & 0x000000ff) << 24)) +# else +# define le32(x) (x) +# endif
> +#endif + +struct gemtek_header { + uint8_t magic[4]; + uint8_t
> version[4]; + uint32_t product_id; + uint32_t imagesz; +
> uint32_t
> checksum; + uint32_t fast_checksum; + uint8_t
> build[4]; + uint8_t
> lang[4]; +}; + +#define HDRLEN sizeof(struct gemtek_header) +
> +struct machines { + char *desc; + char *id; +
> uint32_t maxsize; + struct gemtek_header header; +}; + +struct
> machines mach_def[] = { + {"Airlink101 AR725W", "ar725w",
> 0x340000, + {"GMTK", "1003", le32(0x03000001), 0, 0, +
> 0,
> "01\0\0", "EN\0\0"}}, + {"Asante AWRT-600N", "awrt600n", 0x340000,
> + {"A600", "1005", le32(0x03000001), 0, 0, + 0,
> "01\0\0",
> "EN\0\0"}}, + {"Linksys WRT100", "wrt100", 0x320000, + {"GMTK",
> "1007", le32(0x03040001), 0, 0, + 0, "2\0\0\0", "EN\0\0"}}, +
> {"Linksys WRT110", "wrt110", 0x320000, + {"GMTK", "1007",
> le32(0x03040001), 0, 0, + 0, "2\0\0\0", "EN\0\0"}}, + {0} +};
> +
> +int +main(int argc, char *argv[]) +{ + unsigned long res, flen; +
> struct gemtek_header my_hdr; + FILE *f, *f_out; + int
> image_type = -1, index; + uint8_t *buf; + uint32_t crc; + +
> if (argc < 3) { + fprintf(stderr, "mkheader_gemtek <uImage>
> <webflash image> [machine ID]\n"); + fprintf(stderr, " where
> [machine ID] is one of:\n"); + for (index = 0;
> mach_def[index].desc != 0; index++) { + fprintf(stderr,
> "
> %-10s %s", mach_def[index].id, mach_def[index].desc); +
> if
> (index == 0) + fprintf(stderr, "
> (default)\n"); + else +
> fprintf(stderr, "\n"); + } + + exit(-1); + } + +
> if (argc == 4)
> { + for(index = 0; mach_def[index].id != 0; index++) { +
> if(strcmp(mach_def[index].id, argv[3]) == 0) { +
> image_type =
> index; + break; + } +
> } + + if(image_type == -1) { +
> fprintf(stderr, "\nERROR: invalid machine type\n"); +
> exit(-1); +
> } + } else + image_type = 0; + + printf("Opening
> %s...\n",
> argv[1]); + + f = fopen(argv[1], "r"); + if(!f) { +
> fprintf(stderr, "\nERROR: couldn't open input image\n"); +
> exit(-1); + } + + fseek(f, 0, SEEK_END); + flen = (unsigned long)
> ftell(f); + + printf(" %lu (0x%lX) bytes long\n", flen, flen); + +
> if (flen > mach_def[image_type].maxsize) { + fprintf(stderr,
> "\nERROR: image exceeds maximum compatible size\n"); + goto
> f_error; + } + + buf = malloc(flen + HDRLEN); + if (!buf) { +
> fprintf(stderr, "\nERROR: couldn't allocate buffer\n"); + goto
> f_error; + } + rewind(f); + res = fread(buf + HDRLEN, 1, flen, f);
> + if (res != flen) { + perror("Couldn't read entire file:
> fread()"); + goto f_error; + } + fclose(f); + +
> printf("\nCreating
> %s...\n", argv[2]); + + memcpy(&my_hdr,
> &mach_def[image_type].header, HDRLEN); + + printf(" Using %s
> magic\n", mach_def[image_type].desc); + + my_hdr.imagesz =
> le32(flen + HDRLEN); + memcpy(my_hdr.lang, "EN", 2); + +
> memcpy(buf, &my_hdr, HDRLEN); + + crc = crc32(0, buf, flen +
> HDRLEN); + printf(" CRC32: %08X\n", crc); + + my_hdr.checksum =
> le32(crc); + memcpy(buf, &my_hdr, HDRLEN); + + printf("
> Writing...\n"); + + f_out = fopen(argv[2], "w"); + if(!f_out) { +
> fprintf(stderr, "\nERROR: couldn't open output image\n"); +
> exit(-1); + } + + fwrite(buf, 1, flen + HDRLEN, f_out); + +
> fclose(f_out); + + free(buf); + return 0; + +f_error: + fclose(f);
> + exit(-1); +}
>
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