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| author | INAGAKI Hiroshi <musashino.open@gmail.com> | 2018-09-10 09:29:39 +0200 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-09-10 09:29:39 +0200 |
| commit | 7a67b437e7f72f765fb5affe686f308cb42a09e7 (patch) | |
| tree | 178b6eb730930637e6486d662b618c6174200fe8 /tools | |
| parent | 628eb271dc5868d3c5bd6a643c213783cce4fd0a (diff) | |
| download | upstream-7a67b437e7f72f765fb5affe686f308cb42a09e7.tar.gz upstream-7a67b437e7f72f765fb5affe686f308cb42a09e7.tar.bz2 upstream-7a67b437e7f72f765fb5affe686f308cb42a09e7.zip | |
firmware-utils: mkedimaximg: add "big-endianness mode" option
In addition to the default little-endianness format, I added a mode
so that we can generate firmware with big-endianness format.
example: ELECOM WRC-300GHBK2-I (QCA9563)
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/firmware-utils/src/mkedimaximg.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/tools/firmware-utils/src/mkedimaximg.c b/tools/firmware-utils/src/mkedimaximg.c index d8a017e6a8..541eaaaa3f 100644 --- a/tools/firmware-utils/src/mkedimaximg.c +++ b/tools/firmware-utils/src/mkedimaximg.c @@ -17,12 +17,19 @@ #include <sys/stat.h> #include <endian.h> /* for __BYTE_ORDER */ +#define FALSE 0 +#define TRUE 1 + #if (__BYTE_ORDER == __LITTLE_ENDIAN) # define HOST_TO_LE16(x) (x) # define HOST_TO_LE32(x) (x) +# define HOST_TO_BE16(x) bswap_16(x) +# define HOST_TO_BE32(x) bswap_32(x) #else # define HOST_TO_LE16(x) bswap_16(x) # define HOST_TO_LE32(x) bswap_32(x) +# define HOST_TO_BE16(x) (x) +# define HOST_TO_BE32(x) (x) #endif struct header @@ -47,6 +54,7 @@ struct buf }; static char *progname; +static int force_be = FALSE; static void usage(int status) { @@ -61,7 +69,8 @@ static void usage(int status) " -i <file> read input from file <file>\n" " -o <file> write output to file <file>\n" " -f <flash> set flash address to <flash>\n" - " -S <start> set start address to <start>\n"); + " -S <start> set start address to <start>\n" + " -b big-endianness mode\n"); exit(status); } @@ -83,8 +92,12 @@ static unsigned short fwcsum (struct buf *buf) { int i; unsigned short ret = 0; - for (i = 0; i < buf->size / 2; i++) - ret -= ((unsigned short *) buf->start)[i]; + for (i = 0; i < buf->size / 2; i++) { + if (force_be == FALSE) + ret -= ((unsigned short *) buf->start)[i]; + else + ret -= HOST_TO_BE16(((unsigned short *) buf->start)[i]); + } return ret; } @@ -144,7 +157,7 @@ int main(int argc, char **argv) header.flash = header.size = header.start = 0; progname = basename(argv[0]); - while((c = getopt(argc, argv, "i:o:m:s:f:S:h")) != -1) { + while((c = getopt(argc, argv, "i:o:m:s:f:S:h:b")) != -1) { switch (c) { case 'i': ifinfo.name = optarg; @@ -181,6 +194,9 @@ int main(int argc, char **argv) usage(EXIT_FAILURE); } break; + case 'b': + force_be = TRUE; + break; default: usage(EXIT_FAILURE); break; @@ -241,12 +257,23 @@ int main(int argc, char **argv) if (fwread(&ifinfo, &ibuf)) usage(EXIT_FAILURE); - header.flash = HOST_TO_LE32(header.flash); - header.size = HOST_TO_LE32(obuf.size - sizeof(struct header)); - header.start = HOST_TO_LE32(header.start); + if (force_be == FALSE) { + header.flash = HOST_TO_LE32(header.flash); + header.size = HOST_TO_LE32(obuf.size - sizeof(struct header)); + header.start = HOST_TO_LE32(header.start); + } else { + header.flash = HOST_TO_BE32(header.flash); + header.size = HOST_TO_BE32(obuf.size - sizeof(struct header)); + header.start = HOST_TO_BE32(header.start); + } + memcpy (obuf.start, &header, sizeof(struct header)); - csum = HOST_TO_LE16(fwcsum(&ibuf)); + if (force_be == FALSE) + csum = HOST_TO_LE16(fwcsum(&ibuf)); + else + csum = HOST_TO_BE16(fwcsum(&ibuf)); + memcpy(obuf.start + obuf.size - sizeof(unsigned short), &csum, sizeof(unsigned short)); |