Consolidate target selection code into single get_target() that handles both names and numbers. Provided by David Brownell <david-b@pacbell.net>

git-svn-id: svn://svn.berlios.de/openocd/trunk@1804 b42882b7-edfa-0310-969c-e2dbd0fdcd60

8 files changed, 50 insertions, 43 deletions

diff --git a/src/target/etb.c b/src/target/etb.c
index 5f6e648e..9a265ad5 100644
--- a/src/target/etb.c
+++ b/src/target/etb.c
@@ -372,11 +372,11 @@ static int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cm
 		return ERROR_COMMAND_SYNTAX_ERROR;
 	}
 
-	target = get_target_by_num(strtoul(args[0], NULL, 0));
+	target = get_target(args[0]);
 
 	if (!target)
 	{
-		LOG_ERROR("target number '%s' not defined", args[0]);
+		LOG_ERROR("target '%s' not defined", args[0]);
 		return ERROR_FAIL;
 	}
 
diff --git a/src/target/etm.c b/src/target/etm.c
index c54087a0..5b83db89 100644
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -1205,11 +1205,10 @@ static int handle_etm_config_command(struct command_context_s *cmd_ctx, char *cm
 		return ERROR_COMMAND_SYNTAX_ERROR;
 	}
 
-	target = get_target_by_num(strtoul(args[0], NULL, 0));
-
+	target = get_target(args[0]);
 	if (!target)
 	{
-		LOG_ERROR("target number '%s' not defined", args[0]);
+		LOG_ERROR("target '%s' not defined", args[0]);
 		return ERROR_FAIL;
 	}
 
diff --git a/src/target/etm_dummy.c b/src/target/etm_dummy.c
index ee4c3e69..4b84fd32 100644
--- a/src/target/etm_dummy.c
+++ b/src/target/etm_dummy.c
@@ -31,11 +31,11 @@ static int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, ch
 	armv4_5_common_t *armv4_5;
 	arm7_9_common_t *arm7_9;
 
-	target = get_target_by_num(strtoul(args[0], NULL, 0));
+	target = get_target(args[0]);
 
 	if (!target)
 	{
-		LOG_ERROR("target number '%s' not defined", args[0]);
+		LOG_ERROR("target '%s' not defined", args[0]);
 		return ERROR_FAIL;
 	}
 
diff --git a/src/target/image.c b/src/target/image.c
index 71939e79..d72680d1 100644
--- a/src/target/image.c
+++ b/src/target/image.c
@@ -711,10 +711,11 @@ int image_open(image_t *image, char *url, char *type_string)
 	}
 	else if (image->type == IMAGE_MEMORY)
 	{
-		target_t *target = get_target_by_num(strtoul(url, NULL, 0));
-		if (target==NULL)
+		target_t *target = get_target(url);
+
+		if (target == NULL)
 		{
-			LOG_ERROR("Target '%s' does not exist", url);
+			LOG_ERROR("target '%s' not defined", url);
 			return ERROR_FAIL;
 		}
 
diff --git a/src/target/target.c b/src/target/target.c
index 3ec28284..7571e4e3 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -320,8 +320,36 @@ void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 	*buffer = value;
 }
 
+/* return a pointer to a configured target; id is name or number */
+target_t *get_target(const char *id)
+{
+	target_t *target;
+	char *endptr;
+	int num;
+
+	/* try as tcltarget name */
+	for (target = all_targets; target; target = target->next) {
+		if (target->cmd_name == NULL)
+			continue;
+		if (strcmp(id, target->cmd_name) == 0)
+			return target;
+	}
+
+	/* no match, try as number */
+	num = strtoul(id, &endptr, 0);
+	if (*endptr != 0)
+		return NULL;
+
+	for (target = all_targets; target; target = target->next) {
+		if (target->target_number == num)
+			return target;
+	}
+
+	return NULL;
+}
+
 /* returns a pointer to the n-th configured target */
-target_t* get_target_by_num(int num)
+static target_t *get_target_by_num(int num)
 {
 	target_t *target = all_targets;
 
@@ -1333,35 +1361,16 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
 
 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-	char *cp;
 	target_t *target = all_targets;
 
 	if (argc == 1)
 	{
-		/* try as tcltarget name */
-		for( target = all_targets ; target ; target = target->next ){
-		  if( target->cmd_name ){
-			if( 0 == strcmp( args[0], target->cmd_name ) ){
-				/* MATCH */
-				goto Match;
-			}
-		  }
-		}
-		/* no match, try as number */
-
-		int num = strtoul(args[0], &cp, 0 );
-		if( *cp != 0 ){
-			/* then it was not a number */
-			command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
-			goto DumpTargets;
-		}
-
-		target = get_target_by_num( num );
-		if( target == NULL ){
+		target = get_target(args[0]);
+		if (target == NULL) {
 			command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
 			goto DumpTargets;
 		}
-	Match:
+
 		cmd_ctx->current_target = target->target_number;
 		return ERROR_OK;
 	}
diff --git a/src/target/target.h b/src/target/target.h
index 4a6dde1a..1c1e10ef 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -371,7 +371,7 @@ extern int target_call_timer_callbacks_now(void);
 
 extern target_t* get_current_target(struct command_context_s *cmd_ctx);
 extern int get_num_by_target(target_t *query_target);
-extern target_t* get_target_by_num(int num);
+extern target_t *get_target(const char *id);
 
 extern int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
 extern int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer);
diff --git a/src/target/target/ti_dm355.cfg b/src/target/target/ti_dm355.cfg
index acf4b304..e4de1a58 100644
--- a/src/target/target/ti_dm355.cfg
+++ b/src/target/target/ti_dm355.cfg
@@ -56,8 +56,5 @@ arm7_9 fast_memory_access enable
 arm7_9 dcc_downloads enable
 
 # trace setup
-# FIXME we ought to be able to say "... config $_TARGETNAME ..."
-# (not "config 0") facilitating additional targets (e.g. other chips)
-etm config 0 16 normal full etb
-etb config 0 $_CHIPNAME.etb
-
+etm config $_TARGETNAME 16 normal full etb
+etb config $_TARGETNAME $_CHIPNAME.etb
diff --git a/src/target/xscale.c b/src/target/xscale.c
index abdbe866..3947da0b 100644
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -3147,9 +3147,9 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char
 		return ERROR_OK;
 	}
 
-	if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL)
+	if ((target = get_target(args[0])) == NULL)
 	{
-		LOG_ERROR("no target '%s' configured", args[0]);
+		LOG_ERROR("target '%s' not defined", args[0]);
 		return ERROR_FAIL;
 	}
 
@@ -3187,9 +3187,10 @@ int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx,
 		return ERROR_COMMAND_SYNTAX_ERROR;
 	}
 
-	if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL)
+	target = get_target(args[0]);
+	if (target == NULL)
 	{
-		LOG_ERROR("no target '%s' configured", args[0]);
+		LOG_ERROR("target '%s' not defined", args[0]);
 		return ERROR_FAIL;
 	}