sys64738
/
blackmagic
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Bugfix: Always apply the vector table magic number correctly. 

Previously when the flash write length was less than the Chunk size the 2nd chunk write would re-calculate and apply an incorrect magic number
This commit is contained in:
Richard Eoin Meadows 2013-09-08 13:13:16 +01:00 committed by Gareth McMullin
parent 40820a2354
commit b8f9a2ed4b
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/lpc11xx.c
View File

@ -216,13 +216,18 @@ lpc11xx_flash_write(struct target_s *target, uint32_t dest, const uint8_t *src,
chunk_offset = 0;
/* if we are programming the vectors, calculate the magic number */
if (chunk == 0) {
if (dest == 0) {
uint32_t *w = (uint32_t *)(&flash_pgm.data[0]);
uint32_t sum = 0;
for (unsigned i = 0; i < 7; i++)
sum += w[i];
w[7] = 0 - sum;
if (copylen >= 7) {
for (unsigned i = 0; i < 7; i++)
sum += w[i];
w[7] = 0 - sum;
} else {
/* We can't possibly calculate the magic number */
return -1;
}
}
} else {