diff options
Diffstat (limited to 'firmware/ihex2fw.c')
| -rw-r--r-- | firmware/ihex2fw.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/firmware/ihex2fw.c b/firmware/ihex2fw.c index 8f7fdaa9e01..cf38e159131 100644 --- a/firmware/ihex2fw.c +++ b/firmware/ihex2fw.c @@ -55,14 +55,16 @@ static int output_records(int outfd); static int sort_records = 0; static int wide_records = 0; +static int include_jump = 0; -int usage(void) +static int usage(void) { fprintf(stderr, "ihex2fw: Convert ihex files into binary " "representation for use by Linux kernel\n"); fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n"); fprintf(stderr, " -w: wide records (16-bit length)\n"); fprintf(stderr, " -s: sort records by address\n"); + fprintf(stderr, " -j: include records for CS:IP/EIP address\n"); return 1; } @@ -73,7 +75,7 @@ int main(int argc, char **argv) uint8_t *data; int opt; - while ((opt = getopt(argc, argv, "ws")) != -1) { + while ((opt = getopt(argc, argv, "wsj")) != -1) { switch (opt) { case 'w': wide_records = 1; @@ -81,7 +83,9 @@ int main(int argc, char **argv) case 's': sort_records = 1; break; - default: + case 'j': + include_jump = 1; + break; return usage(); } } @@ -120,14 +124,14 @@ int main(int argc, char **argv) if (process_ihex(data, st.st_size)) return 1; - output_records(outfd); - return 0; + return output_records(outfd); } static int process_ihex(uint8_t *data, ssize_t size) { struct ihex_binrec *record; uint32_t offset = 0; + uint32_t data32; uint8_t type, crc = 0, crcbyte = 0; int i, j; int line = 1; @@ -223,8 +227,14 @@ next_record: return -EINVAL; } + memcpy(&data32, &record->data[0], sizeof(data32)); + data32 = htonl(data32); + memcpy(&record->data[0], &data32, sizeof(data32)); + /* These records contain the CS/IP or EIP where execution - * starts. Don't really know what to do with them. */ + * starts. If requested output this as a record. */ + if (include_jump) + file_record(record); goto next_record; default: @@ -258,11 +268,13 @@ static int output_records(int outfd) p->addr = htonl(p->addr); p->len = htons(p->len); - write(outfd, &p->addr, writelen); + if (write(outfd, &p->addr, writelen) != writelen) + return 1; p = p->next; } /* EOF record is zero length, since we don't bother to represent the type field in the binary version */ - write(outfd, zeroes, 6); + if (write(outfd, zeroes, 6) != 6) + return 1; return 0; } |