target: clean up target memory allocation error messages

target memory allocation can be implemented not to show
bogus error messages.

E.g. when trying a big allocation first and then a
smaller one if that fails.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

2 files changed, 22 insertions, 3 deletions

diff --git a/src/target/target.c b/src/target/target.c
index 73594fb0..a3a1b0ad 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -1111,7 +1111,7 @@ int target_call_timer_callbacks_now(void)
 	return target_call_timer_callbacks_check_time(0);
 }
 
-int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
+int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
 {
 	struct working_area *c = target->working_areas;
 	struct working_area *new_wa = NULL;
@@ -1189,8 +1189,6 @@ int target_alloc_working_area(struct target *target, uint32_t size, struct worki
 
 		if (free_size < size)
 		{
-			LOG_WARNING("not enough working area available(requested %u, free %u)",
-				    (unsigned)(size), (unsigned)(free_size));
 			return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 		}
 
@@ -1231,6 +1229,19 @@ int target_alloc_working_area(struct target *target, uint32_t size, struct worki
 	return ERROR_OK;
 }
 
+int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
+{
+	int retval;
+
+	retval = target_alloc_working_area_try(target, size, area);
+	if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
+	{
+		LOG_WARNING("not enough working area available(requested %u)", (unsigned)(size));
+	}
+	return retval;
+
+}
+
 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
 {
 	if (area->free)
diff --git a/src/target/target.h b/src/target/target.h
index 0292945d..4a48e5aa 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -452,6 +452,14 @@ const char *target_state_name( struct target *target );
  */
 int target_alloc_working_area(struct target *target,
 		uint32_t size, struct working_area **area);
+/* Same as target_alloc_working_area, except that no error is logged
+ * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
+ *
+ * This allows the calling code to *try* to allocate target memory
+ * and have a fallback to another behavior(slower?).
+ */
+int target_alloc_working_area_try(struct target *target,
+		uint32_t size, struct working_area **area);
 int target_free_working_area(struct target *target, struct working_area *area);
 void target_free_all_working_areas(struct target *target);