diff options
Diffstat (limited to 'util/amdfwtool')
| -rw-r--r-- | util/amdfwtool/amdfwtool.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/util/amdfwtool/amdfwtool.c b/util/amdfwtool/amdfwtool.c index 1ecb7aaaab..4c5b2163d4 100644 --- a/util/amdfwtool/amdfwtool.c +++ b/util/amdfwtool/amdfwtool.c @@ -148,17 +148,15 @@ static uint32_t fletcher32(const void *data, int length) c0 = 0xFFFF; c1 = 0xFFFF; - for (index = 0; index < length; index++) { - /* - * Ignore the contents of the checksum field. - */ + while (length) { + index = length >= 359 ? 359 : length; + length -= index; + do { c0 += *(pptr++); c1 += c0; - if ((index % 360) == 0) { - /* Sums[0,1] mod 64K + overflow */ - c0 = (c0 & 0xFFFF) + (c0 >> 16); - c1 = (c1 & 0xFFFF) + (c1 >> 16); - } + } while (--index); + c0 = (c0 & 0xFFFF) + (c0 >> 16); + c1 = (c1 & 0xFFFF) + (c1 >> 16); } /* Sums[0,1] mod 64K + overflow */ |