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-rw-r--r--src/target/target.c9
-rw-r--r--src/target/target.h8
2 files changed, 16 insertions, 1 deletions
diff --git a/src/target/target.c b/src/target/target.c
index 75c41d38..286933f4 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -478,9 +478,14 @@ int target_resume(struct target *target, int current, uint32_t address, int hand
* themselves. We want flash drivers and infrastructure to
* be able to rely on (non-invalidated) cached state.
*
+ * For now we require that algorithms provided by OpenOCD are
+ * used only by code which properly maintains that cached state.
+ * state
+ *
* REVISIT do the same for NAND ; maybe other flash flavors too...
*/
- nor_resume(target);
+ if (!target->running_alg)
+ nor_resume(target);
return retval;
}
@@ -659,10 +664,12 @@ int target_run_algorithm(struct target *target,
goto done;
}
+ target->running_alg = true;
retval = target->type->run_algorithm(target,
num_mem_params, mem_params,
num_reg_params, reg_param,
entry_point, exit_point, timeout_ms, arch_info);
+ target->running_alg = false;
done:
return retval;
diff --git a/src/target/target.h b/src/target/target.h
index 7400b7e1..562724ba 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -117,6 +117,14 @@ struct target
*/
bool examined;
+ /** true iff the target is currently running a downloaded
+ * "algorithm" instetad of arbitrary user code. OpenOCD code
+ * invoking algorithms is trusted to maintain correctness of
+ * any cached state (e.g. for flash status), which arbitrary
+ * code will have no reason to know about.
+ */
+ bool running_alg;
+
struct target_event_action *event_action;
int reset_halt; /* attempt resetting the CPU into the halted mode? */