diff options
Diffstat (limited to 'tools/firmware-utils/src')
| -rw-r--r-- | tools/firmware-utils/src/lzma2eva.c | 114 |
1 files changed, 26 insertions, 88 deletions
diff --git a/tools/firmware-utils/src/lzma2eva.c b/tools/firmware-utils/src/lzma2eva.c index 6424dde1d..0bc13fa4f 100644 --- a/tools/firmware-utils/src/lzma2eva.c +++ b/tools/firmware-utils/src/lzma2eva.c @@ -22,16 +22,11 @@ #include <stdlib.h> #include <zlib.h> /* crc32 */ - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) - #define checksum_add32(csum, data) \ - do { \ - csum += (((data) >> 0) & 0x000000FF); \ - csum += (((data) >> 8) & 0x000000FF); \ - csum += (((data) >> 16) & 0x000000FF); \ - csum += (((data) >> 24) & 0x000000FF); \ - } while (0) + csum += ((uint8_t *)&data)[0]; \ + csum += ((uint8_t *)&data)[1]; \ + csum += ((uint8_t *)&data)[2]; \ + csum += ((uint8_t *)&data)[3]; void usage(void) @@ -47,68 +42,10 @@ pexit(const char *msg) exit(1); } -/* Read an 8bit value */ -static int fread_8(uint8_t *buf, FILE *fd) -{ - return (fread(buf, sizeof(*buf), 1, fd) == 1) ? 0 : -1; -} - -/* Read a 32bit little endian value and convert to host endianness. */ -static int fread_le32(uint32_t *buf, FILE *fd) -{ - size_t count; - uint8_t tmp[4]; - unsigned int i; - - if (fread(tmp, sizeof(tmp), 1, fd) != 1) - return -1; - *buf = 0; - for (i = 0; i < ARRAY_SIZE(tmp); i++) - *buf |= (uint32_t)(tmp[i]) << (i * 8); - - return 0; -} - -/* Read a 64bit little endian value and convert to host endianness. */ -static int fread_le64(uint64_t *buf, FILE *fd) -{ - size_t count; - uint8_t tmp[8]; - unsigned int i; - - if (fread(tmp, sizeof(tmp), 1, fd) != 1) - return -1; - *buf = 0; - for (i = 0; i < ARRAY_SIZE(tmp); i++) - *buf |= (uint64_t)(tmp[i]) << (i * 8); - - return 0; -} - -/* Write an 8bit value */ -static int fwrite_8(uint8_t buf, FILE *fd) -{ - return (fwrite(&buf, sizeof(buf), 1, fd) == 1) ? 0 : -1; -} - -/* Convert to little endian and write a 32bit value */ -static int fwrite_le32(uint32_t buf, FILE *fd) -{ - size_t count; - uint8_t tmp[4]; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(tmp); i++) - tmp[i] = buf >> (i * 8); - if (fwrite(tmp, sizeof(tmp), 1, fd) != 1) - return -1; - - return 0; -} - int main(int argc, char *argv[]) { + const char *infile, *outfile; FILE *in, *out; static const uint8_t buf[4096]; @@ -130,6 +67,7 @@ main(int argc, char *argv[]) uint32_t datasize32 = 0; uint32_t datacrc32 = crc32(0, 0, 0); + uint32_t zero = 0; uint32_t entry = 0; if (argc != 5) @@ -149,43 +87,43 @@ main(int argc, char *argv[]) pexit("fopen"); /* read LZMA header */ - if (fread_8(&properties, in)) + if (1 != fread(&properties, sizeof properties, 1, in)) pexit("fread"); - if (fread_le32(&dictsize, in)) + if (1 != fread(&dictsize, sizeof dictsize, 1, in)) pexit("fread"); - if (fread_le64(&datasize, in)) + if (1 != fread(&datasize, sizeof datasize, 1, in)) pexit("fread"); /* write EVA header */ - if (fwrite_le32(magic, out)) + if (1 != fwrite(&magic, sizeof magic, 1, out)) pexit("fwrite"); if (fgetpos(out, &reclengthpos)) pexit("fgetpos"); - if (fwrite_le32(reclength, out)) + if (1 != fwrite(&reclength, sizeof reclength, 1, out)) pexit("fwrite"); - if (fwrite_le32(loadaddress, out)) + if (1 != fwrite(&loadaddress, sizeof loadaddress, 1, out)) pexit("fwrite"); - if (fwrite_le32(type, out)) + if (1 != fwrite(&type, sizeof type, 1, out)) pexit("fwrite"); /* write EVA LZMA header */ if (fgetpos(out, &compsizepos)) pexit("fgetpos"); - if (fwrite_le32(compsize, out)) + if (1 != fwrite(&compsize, sizeof compsize, 1, out)) pexit("fwrite"); /* XXX check length */ datasize32 = (uint32_t)datasize; - if (fwrite_le32(datasize32, out)) + if (1 != fwrite(&datasize32, sizeof datasize32, 1, out)) pexit("fwrite"); - if (fwrite_le32(datacrc32, out)) + if (1 != fwrite(&datacrc32, sizeof datacrc32, 1, out)) pexit("fwrite"); /* write modified LZMA header */ - if (fwrite_8(properties, out)) + if (1 != fwrite(&properties, sizeof properties, 1, out)) pexit("fwrite"); - if (fwrite_le32(dictsize, out)) + if (1 != fwrite(&dictsize, sizeof dictsize, 1, out)) pexit("fwrite"); - if (fwrite_le32(0, out)) + if (1 != fwrite(&zero, 3, 1, out)) pexit("fwrite"); /* copy compressed data, calculate crc32 */ @@ -203,17 +141,17 @@ main(int argc, char *argv[]) reclength = compsize + 24; if (fsetpos(out, &reclengthpos)) pexit("fsetpos"); - if (fwrite_le32(reclength, out)) + if (1 != fwrite(&reclength, sizeof reclength, 1, out)) pexit("fwrite"); /* re-write EVA LZMA header including size and data crc */ if (fsetpos(out, &compsizepos)) pexit("fsetpos"); - if (fwrite_le32(compsize, out)) + if (1 != fwrite(&compsize, sizeof compsize, 1, out)) pexit("fwrite"); - if (fwrite_le32(datasize32, out)) + if (1 != fwrite(&datasize32, sizeof datasize32, 1, out)) pexit("fwrite"); - if (fwrite_le32(datacrc32, out)) + if (1 != fwrite(&datacrc32, sizeof datacrc32, 1, out)) pexit("fwrite"); /* calculate record checksum */ @@ -236,13 +174,13 @@ main(int argc, char *argv[]) pexit("fseek"); checksum = ~checksum + 1; - if (fwrite_le32(checksum, out)) + if (1 != fwrite(&checksum, sizeof checksum, 1, out)) pexit("fwrite"); /* write entry record */ - if (fwrite_le32(0, out)) + if (1 != fwrite(&zero, sizeof zero, 1, out)) pexit("fwrite"); - if (fwrite_le32(entry, out)) + if (1 != fwrite(&entry, sizeof entry, 1, out)) pexit("fwrite"); if (fclose(out)) |