diff options
Diffstat (limited to 'src/target/target.c')
| -rw-r--r-- | src/target/target.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/target/target.c b/src/target/target.c index b8e4c2ff..6d3a99de 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -822,6 +822,7 @@ int target_run_flash_async_algorithm(struct target *target, uint32_t entry_point, uint32_t exit_point, void *arch_info) { int retval; + int timeout = 0; /* Set up working area. First word is write pointer, second word is read pointer, * rest is fifo data area. */ @@ -893,9 +894,19 @@ int target_run_flash_async_algorithm(struct target *target, * less than buffer size / flash speed. This is very unlikely to * run when using high latency connections such as USB. */ alive_sleep(10); + + /* to stop an infinite loop on some targets check and increment a timeout + * this issue was observed on a stellaris using the new ICDI interface */ + if (timeout++ >= 500) { + LOG_ERROR("timeout waiting for algorithm, a target reset is recommended"); + return ERROR_FLASH_OPERATION_FAILED; + } continue; } + /* reset our timeout */ + timeout = 0; + /* Limit to the amount of data we actually want to write */ if (thisrun_bytes > count * block_size) thisrun_bytes = count * block_size; |