- added support for Intel/Marvel PXA27x (XScale) targets

- added support for scans coming from or ending in Shift-DR or Shift-IR to bitbang code (required for XScale debugging)
- cleaned up errror handlers. only use when there's a catchable error
- fix segfault when etm was configured without a valid driver



git-svn-id: svn://svn.berlios.de/openocd/trunk@176 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 8 insertions, 0 deletions

diff --git a/src/target/etm.c b/src/target/etm.c
index dd6e6025..b4c20750 100644
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -1231,6 +1231,14 @@ int handle_etm_config_command(struct command_context_s *cmd_ctx, char *cmd, char
 		}
 	}
 	
+	if (!etm_capture_drivers[i])
+	{
+		/* no supported capture driver found, don't register an ETM */
+		free(etm_ctx);
+		ERROR("trace capture driver '%s' not found", args[4]);
+		return ERROR_OK;
+	}
+	
 	etm_ctx->target = target;
 	etm_ctx->trace_data = NULL;
 	etm_ctx->trace_depth = 0;